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428
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1 /* Window creation, deletion and examination for XEmacs.
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2 Copyright (C) 1985-1987, 1992-1995 Free Software Foundation, Inc.
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3 Copyright (C) 1994, 1995 Board of Trustees, University of Illinois.
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4 Copyright (C) 1995, 1996 Ben Wing.
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5 Copyright (C) 1996 Chuck Thompson.
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6
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7 This file is part of XEmacs.
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8
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9 XEmacs is free software; you can redistribute it and/or modify it
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10 under the terms of the GNU General Public License as published by the
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11 Free Software Foundation; either version 2, or (at your option) any
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12 later version.
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13
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14 XEmacs is distributed in the hope that it will be useful, but WITHOUT
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15 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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16 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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17 for more details.
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18
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19 You should have received a copy of the GNU General Public License
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20 along with XEmacs; see the file COPYING. If not, write to
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21 the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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22 Boston, MA 02111-1307, USA. */
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23
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24 /* Synched up with: FSF 19.30. */
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25 /* Beginning to diverge significantly. */
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26
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27 /* This file has been Mule-ized. */
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28
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29 #include <config.h>
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30 #include "lisp.h"
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31
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32 #include "buffer.h"
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33 #include "faces.h"
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34 #include "frame.h"
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35 #include "objects.h"
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36 #include "glyphs.h"
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37 #include "redisplay.h"
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38 #include "window.h"
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39 #include "elhash.h"
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40 #include "commands.h"
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41 #include "gutter.h"
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42
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43 Lisp_Object Qwindowp, Qwindow_live_p, Qwindow_configurationp;
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44 Lisp_Object Qdisplay_buffer;
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45
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46 #ifdef MEMORY_USAGE_STATS
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47 Lisp_Object Qface_cache, Qglyph_cache, Qline_start_cache, Qother_redisplay;
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48 #ifdef HAVE_SCROLLBARS
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49 Lisp_Object Qscrollbar_instances;
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50 #endif
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51 #endif
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52
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53 EXFUN (Fnext_window, 4);
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54
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55 static int window_pixel_width_to_char_width (struct window *w,
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56 int pixel_width,
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57 int include_margins_p);
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58 static int window_char_width_to_pixel_width (struct window *w,
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59 int char_width,
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60 int include_margins_p);
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61 static int window_pixel_height_to_char_height (struct window *w,
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62 int pixel_height,
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63 int include_gutters_p);
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64 static int window_char_height_to_pixel_height (struct window *w,
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65 int char_height,
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66 int include_gutters_p);
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444
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67 static void change_window_height (Lisp_Object window, int delta,
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68 Lisp_Object horizontalp, int inpixels);
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428
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69
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70 /* Thickness of shadow border around 3d modelines. */
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71 Lisp_Object Vmodeline_shadow_thickness;
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72
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73 /* Whether vertical dividers are draggable and displayed */
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74 Lisp_Object Vvertical_divider_always_visible_p;
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75
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76 /* Whether a modeline should be displayed. */
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77 Lisp_Object Vhas_modeline_p;
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78
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79 /* Thickness of shadow border around vertical dividers. */
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80 Lisp_Object Vvertical_divider_shadow_thickness;
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81
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82 /* Divider surface width (not counting 3-d borders) */
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83 Lisp_Object Vvertical_divider_line_width;
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84
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442
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85 /* Spacing between outer edge of divider border and window edge */
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428
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86 Lisp_Object Vvertical_divider_spacing;
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87
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88 /* How much to scroll by per-line. */
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89 Lisp_Object Vwindow_pixel_scroll_increment;
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90
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91 /* Scroll if point lands on the bottom line and that line is partially
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92 clipped. */
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93 int scroll_on_clipped_lines;
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94
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95 /* The minibuffer window of the selected frame.
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96 Note that you cannot test for minibufferness of an arbitrary window
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97 by comparing against this; but you can test for minibufferness of
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98 the selected window. */
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99 Lisp_Object minibuf_window;
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100
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101 /* Non-nil means it is the window for C-M-v to scroll
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102 when the minibuffer is selected. */
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103 Lisp_Object Vminibuffer_scroll_window;
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104
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105 /* Non-nil means this is the buffer whose window C-M-v should scroll. */
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106 Lisp_Object Vother_window_scroll_buffer;
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107
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108 /* Non-nil means it's the function to call to display temp buffers. */
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109 Lisp_Object Vtemp_buffer_show_function;
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110
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111 Lisp_Object Vtemp_buffer_show_hook;
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112
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113 /* If a window gets smaller than either of these, it is removed. */
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458
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114 Fixnum window_min_height;
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115 Fixnum window_min_width;
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428
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116
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117 /* Hook run at end of temp_output_buffer_show. */
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118 Lisp_Object Qtemp_buffer_show_hook;
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119
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120 /* Number of lines of continuity in scrolling by screenfuls. */
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458
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121 Fixnum next_screen_context_lines;
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428
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122
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123 /* List of freed window configurations with 1 - 10 windows. */
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124 static Lisp_Object Vwindow_configuration_free_list[10];
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125
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126 #define SET_LAST_MODIFIED(w, cache_too) \
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127 do { \
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128 (w)->last_modified[CURRENT_DISP] = Qzero; \
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129 (w)->last_modified[DESIRED_DISP] = Qzero; \
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130 (w)->last_modified[CMOTION_DISP] = Qzero; \
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131 if (cache_too) \
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132 (w)->line_cache_last_updated = Qzero; \
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133 } while (0)
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134
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135 #define SET_LAST_FACECHANGE(w) \
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136 do { \
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137 (w)->last_facechange[CURRENT_DISP] = Qzero; \
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138 (w)->last_facechange[DESIRED_DISP] = Qzero; \
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139 (w)->last_facechange[CMOTION_DISP] = Qzero; \
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140 } while (0)
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141
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142
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143 #define MARK_DISP_VARIABLE(field) \
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144 mark_object (window->field[CURRENT_DISP]); \
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145 mark_object (window->field[DESIRED_DISP]); \
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146 mark_object (window->field[CMOTION_DISP]);
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147
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148 static Lisp_Object
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149 mark_window (Lisp_Object obj)
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150 {
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151 struct window *window = XWINDOW (obj);
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152 mark_object (window->frame);
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153 mark_object (window->mini_p);
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154 mark_object (window->next);
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155 mark_object (window->prev);
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156 mark_object (window->hchild);
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157 mark_object (window->vchild);
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158 mark_object (window->parent);
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159 mark_object (window->buffer);
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160 MARK_DISP_VARIABLE (start);
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161 MARK_DISP_VARIABLE (pointm);
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162 mark_object (window->sb_point); /* #### move to scrollbar.c? */
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163 mark_object (window->use_time);
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164 MARK_DISP_VARIABLE (last_modified);
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165 MARK_DISP_VARIABLE (last_point);
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166 MARK_DISP_VARIABLE (last_start);
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167 MARK_DISP_VARIABLE (last_facechange);
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168 mark_object (window->line_cache_last_updated);
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169 mark_object (window->redisplay_end_trigger);
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170 mark_object (window->subwindow_instance_cache);
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171
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172 mark_face_cachels (window->face_cachels);
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173 mark_glyph_cachels (window->glyph_cachels);
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174
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175 #define WINDOW_SLOT(slot, compare) mark_object (window->slot)
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176 #include "winslots.h"
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177
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178 return Qnil;
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179 }
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180
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181 static void
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182 print_window (Lisp_Object obj, Lisp_Object printcharfun, int escapeflag)
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183 {
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184 char buf[200];
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185
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186 if (print_readably)
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187 error ("printing unreadable object #<window 0x%x>",
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188 XWINDOW (obj)->header.uid);
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189
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190 write_c_string ("#<window", printcharfun);
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191 if (!NILP (XWINDOW (obj)->buffer))
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192 {
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193 Lisp_Object name = XBUFFER (XWINDOW (obj)->buffer)->name;
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194 write_c_string (" on ", printcharfun);
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195 print_internal (name, printcharfun, 1);
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196 }
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197 sprintf (buf, " 0x%x>", XWINDOW (obj)->header.uid);
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198 write_c_string (buf, printcharfun);
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199 }
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200
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201 static void
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202 finalize_window (void *header, int for_disksave)
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203 {
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204 struct window *w = (struct window *) header;
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205
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206 if (w->line_start_cache)
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207 {
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208 Dynarr_free (w->line_start_cache);
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209 w->line_start_cache = 0;
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210 }
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211
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212 if (w->face_cachels)
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213 {
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214 int i;
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215
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216 for (i = 0; i < Dynarr_length (w->face_cachels); i++)
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217 {
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218 struct face_cachel *cachel = Dynarr_atp (w->face_cachels, i);
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219 if (cachel->merged_faces)
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220 {
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221 Dynarr_free (cachel->merged_faces);
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222 cachel->merged_faces = 0;
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223 }
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224 }
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225 Dynarr_free (w->face_cachels);
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226 w->face_cachels = 0;
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227 }
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228
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229 if (w->glyph_cachels)
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230 {
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231 Dynarr_free (w->glyph_cachels);
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232 w->glyph_cachels = 0;
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233 }
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234 }
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235
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236 DEFINE_LRECORD_IMPLEMENTATION ("window", window,
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237 mark_window, print_window, finalize_window,
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238 0, 0, 0, struct window);
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239
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240
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241 #define INIT_DISP_VARIABLE(field, initialization) \
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242 p->field[CURRENT_DISP] = initialization; \
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243 p->field[DESIRED_DISP] = initialization; \
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244 p->field[CMOTION_DISP] = initialization;
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245
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246 /* We have an implicit assertion that the first two elements (default
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247 and modeline faces) are always present in the face_element_cache.
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248 Normally redisplay ensures this. However, it is possible for a
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249 window to get created and functions which reference these values
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250 called before redisplay works with the window for the first time.
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251 All callers of allocate_window should therefore call
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252 reset_face_cachels on the created window. We can't do it
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253 here because the window must have its frame pointer set or
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254 reset_face_cachels will fail. */
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255 Lisp_Object
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256 allocate_window (void)
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257 {
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258 Lisp_Object val;
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259 struct window *p = alloc_lcrecord_type (struct window, &lrecord_window);
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260
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261 zero_lcrecord (p);
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262 XSETWINDOW (val, p);
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263
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264 p->dead = 0;
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265 p->frame = Qnil;
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266 p->mini_p = Qnil;
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267 p->next = Qnil;
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268 p->prev = Qnil;
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269 p->hchild = Qnil;
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270 p->vchild = Qnil;
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271 p->parent = Qnil;
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272 p->buffer = Qnil;
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273 INIT_DISP_VARIABLE (start, Fmake_marker ());
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274 INIT_DISP_VARIABLE (pointm, Fmake_marker ());
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275 p->sb_point = Fmake_marker ();
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276 p->use_time = Qzero;
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277 INIT_DISP_VARIABLE (last_modified, Qzero);
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278 INIT_DISP_VARIABLE (last_point, Fmake_marker ());
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279 INIT_DISP_VARIABLE (last_start, Fmake_marker ());
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280 INIT_DISP_VARIABLE (last_facechange, Qzero);
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281 p->face_cachels = Dynarr_new (face_cachel);
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282 p->glyph_cachels = Dynarr_new (glyph_cachel);
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283 p->line_start_cache = Dynarr_new (line_start_cache);
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450
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284 p->subwindow_instance_cache = make_image_instance_cache_hash_table ();
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285
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428
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286 p->line_cache_last_updated = Qzero;
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287 INIT_DISP_VARIABLE (last_point_x, 0);
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288 INIT_DISP_VARIABLE (last_point_y, 0);
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289 INIT_DISP_VARIABLE (window_end_pos, 0);
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290 p->redisplay_end_trigger = Qnil;
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291
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442
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292 p->gutter_extent_modiff[0] = 0;
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293 p->gutter_extent_modiff[1] = 0;
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294 p->gutter_extent_modiff[2] = 0;
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295 p->gutter_extent_modiff[3] = 0;
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296
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428
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297 #define WINDOW_SLOT(slot, compare) p->slot = Qnil
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298 #include "winslots.h"
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299
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300 p->windows_changed = 1;
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301 p->shadow_thickness_changed = 1;
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302
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303 return val;
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304 }
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305 #undef INIT_DISP_VARIABLE
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306
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307 /*
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308 * The redisplay structures used to be stored with each window. While
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309 * they are logically something associated with frames they can't be
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310 * stored there with a redisplay which handles variable height lines.
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311 * Lines in horizontally split windows might not line up. So they get
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312 * stored with the windows.
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313 *
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314 * The problem with this is window configurations. When restoring a
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315 * window configuration it now becomes problematic to do an
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316 * incremental redisplay. The solution is to store the redisplay
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317 * structures with the frame as they should be but laid out in the
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318 * same manner as the window structure. Thus is born the window
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319 * mirror.
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320 *
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321 * It also becomes a convenient place to stick scrollbar instances
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322 * since they extrapolate out to having the same problem described for
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323 * the display structures.
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324 */
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325
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326 /* Create a new window mirror structure and associated redisplay
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327 structs. */
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328 static struct window_mirror *
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329 new_window_mirror (struct frame *f)
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330 {
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331 struct window_mirror *t = xnew_and_zero (struct window_mirror);
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332
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333 t->frame = f;
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334
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335 t->current_display_lines = Dynarr_new (display_line);
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336 t->desired_display_lines = Dynarr_new (display_line);
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337 t->buffer = NULL;
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338
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339 #ifdef HAVE_SCROLLBARS
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340 t->scrollbar_vertical_instance = NULL;
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341 t->scrollbar_horizontal_instance = NULL;
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342 #endif
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343
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344 return t;
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345 }
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346
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347 /* Synchronize the mirror structure with a given window structure.
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348 This is normally called from update_frame_window_mirror with a
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349 starting window of f->root_window. */
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350 static struct window_mirror *
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351 update_mirror_internal (Lisp_Object win, struct window_mirror *mir)
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352 {
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353 if (NILP (win))
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354 {
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355 if (mir)
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356 {
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357 free_window_mirror (mir);
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358 mir = NULL;
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359 }
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360 return mir;
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361 }
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362 else
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363 if (!mir)
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364 mir = new_window_mirror (XFRAME (XWINDOW (win)->frame));
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365
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366 mir->next = update_mirror_internal (XWINDOW (win)->next, mir->next);
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367 mir->hchild = update_mirror_internal (XWINDOW (win)->hchild, mir->hchild);
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368 mir->vchild = update_mirror_internal (XWINDOW (win)->vchild, mir->vchild);
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369
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370 /*
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371 * If the redisplay structs are not empty and the mirror has
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372 * children, then this mirror structure was formerly being used for
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373 * display but is no longer. Reset its current display structs so
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374 * that redisplay doesn't accidentally think they are accurate if it
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375 * is later used for display purposes once again. Also, mark the
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376 * scrollbar instance as not active.
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377 */
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378 if (mir->vchild || mir->hchild)
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379 {
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380 /* The redisplay structures are big. Leaving them around in
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381 non-leaf windows can add up to a lot of wasted space. So
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382 don't do it. */
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383 free_display_structs (mir);
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384 mir->current_display_lines = Dynarr_new (display_line);
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385 mir->desired_display_lines = Dynarr_new (display_line);
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386
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387 #ifdef HAVE_SCROLLBARS
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388 update_window_scrollbars (XWINDOW (win), mir, 0, 0);
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389 #endif
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|
|
390 mir->buffer = NULL;
|
|
|
391 }
|
|
|
392
|
|
|
393 return mir;
|
|
|
394 }
|
|
|
395
|
|
|
396 /* Given a window mirror, determine which real window it contains the
|
|
|
397 redisplay structures for. */
|
|
|
398 static Lisp_Object
|
|
|
399 real_window_internal (Lisp_Object win, struct window_mirror *rmir,
|
|
|
400 struct window_mirror *mir)
|
|
|
401 {
|
|
|
402 for (; !NILP (win) && rmir ; win = XWINDOW (win)->next, rmir = rmir->next)
|
|
|
403 {
|
|
|
404 if (mir == rmir)
|
|
|
405 return win;
|
|
|
406 if (!NILP (XWINDOW (win)->vchild))
|
|
|
407 {
|
|
|
408 Lisp_Object retval =
|
|
|
409 real_window_internal (XWINDOW (win)->vchild, rmir->vchild, mir);
|
|
|
410 if (!NILP (retval))
|
|
|
411 return retval;
|
|
|
412 }
|
|
|
413 if (!NILP (XWINDOW (win)->hchild))
|
|
|
414 {
|
|
|
415 Lisp_Object retval =
|
|
|
416 real_window_internal (XWINDOW (win)->hchild, rmir->hchild, mir);
|
|
|
417 if (!NILP (retval))
|
|
|
418 return retval;
|
|
|
419 }
|
|
|
420 }
|
|
|
421
|
|
|
422 return Qnil;
|
|
|
423 }
|
|
|
424
|
|
|
425 /* Given a real window, find the mirror structure which contains its
|
|
|
426 redisplay structures. */
|
|
|
427 static struct window_mirror *
|
|
|
428 find_window_mirror_internal (Lisp_Object win, struct window_mirror *rmir,
|
|
|
429 struct window *w)
|
|
|
430 {
|
|
|
431 for (; !NILP (win); win = XWINDOW (win)->next, rmir = rmir->next)
|
|
|
432 {
|
|
|
433 if (w == XWINDOW (win))
|
|
|
434 return rmir;
|
|
|
435
|
|
|
436 if (!NILP (XWINDOW (win)->vchild))
|
|
|
437 {
|
|
|
438 struct window_mirror *retval =
|
|
|
439 find_window_mirror_internal (XWINDOW (win)->vchild,
|
|
|
440 rmir->vchild, w);
|
|
|
441 if (retval) return retval;
|
|
|
442 }
|
|
|
443
|
|
|
444 if (!NILP (XWINDOW (win)->hchild))
|
|
|
445 {
|
|
|
446 struct window_mirror *retval =
|
|
|
447 find_window_mirror_internal (XWINDOW (win)->hchild,
|
|
|
448 rmir->hchild, w);
|
|
|
449 if (retval) return retval;
|
|
|
450 }
|
|
|
451 }
|
|
|
452
|
|
|
453 return 0;
|
|
|
454 }
|
|
|
455
|
|
|
456 /* Update the mirror structure for the given frame. */
|
|
|
457 void
|
|
|
458 update_frame_window_mirror (struct frame *f)
|
|
|
459 {
|
|
|
460 f->root_mirror = update_mirror_internal (f->root_window, f->root_mirror);
|
|
|
461 f->mirror_dirty = 0;
|
|
|
462 }
|
|
|
463
|
|
|
464 /* Free a given mirror structure along with all of its children as
|
|
|
465 well as their associated display structures. */
|
|
|
466 void
|
|
|
467 free_window_mirror (struct window_mirror *mir)
|
|
|
468 {
|
|
|
469 while (mir)
|
|
|
470 {
|
|
|
471 struct window_mirror *prev = mir;
|
|
|
472 if (mir->hchild) free_window_mirror (mir->hchild);
|
|
|
473 if (mir->vchild) free_window_mirror (mir->vchild);
|
|
|
474 #ifdef HAVE_SCROLLBARS
|
|
|
475 release_window_mirror_scrollbars (mir);
|
|
|
476 #endif
|
|
|
477 free_display_structs (mir);
|
|
|
478 mir = mir->next;
|
|
|
479 xfree (prev);
|
|
|
480 }
|
|
|
481 }
|
|
|
482
|
|
|
483 /* Given a mirror structure, return the window it mirrors. Calls
|
|
|
484 real_window_internal to do most of the work. */
|
|
|
485 Lisp_Object
|
|
|
486 real_window (struct window_mirror *mir, int no_abort)
|
|
|
487 {
|
|
|
488 Lisp_Object retval = real_window_internal (mir->frame->root_window,
|
|
|
489 mir->frame->root_mirror, mir);
|
|
|
490 if (NILP (retval) && !no_abort)
|
|
|
491 abort ();
|
|
|
492
|
|
|
493 return retval;
|
|
|
494 }
|
|
|
495
|
|
|
496 /* Given a real window, return its mirror structure. Calls
|
|
|
497 find_window_mirror_internal to do all of the work. */
|
|
|
498 struct window_mirror *
|
|
|
499 find_window_mirror (struct window *w)
|
|
|
500 {
|
|
|
501 struct frame *f = XFRAME (w->frame);
|
|
|
502 if (f->mirror_dirty)
|
|
|
503 update_frame_window_mirror (f);
|
|
|
504 return find_window_mirror_internal (f->root_window, f->root_mirror, w);
|
|
|
505 }
|
|
|
506
|
|
|
507 /*****************************************************************************
|
|
|
508 find_window_by_pixel_pos
|
|
|
509
|
|
|
510 Given a pixel position relative to a frame, find the window at that
|
|
|
511 position.
|
|
|
512 ****************************************************************************/
|
|
|
513 struct window *
|
|
|
514 find_window_by_pixel_pos (int pix_x, int pix_y, Lisp_Object win)
|
|
|
515 {
|
|
|
516 if (NILP (win))
|
|
|
517 return 0;
|
|
|
518
|
|
|
519 for (; !NILP (win); win = XWINDOW (win)->next)
|
|
|
520 {
|
|
|
521 struct window *w;
|
|
|
522
|
|
|
523 if (!NILP (XWINDOW (win)->vchild))
|
|
|
524 {
|
|
|
525 w = find_window_by_pixel_pos (pix_x, pix_y, XWINDOW (win)->vchild);
|
|
|
526 if (w) return w;
|
|
|
527 }
|
|
|
528 if (!NILP (XWINDOW (win)->hchild))
|
|
|
529 {
|
|
|
530 w = find_window_by_pixel_pos (pix_x, pix_y, XWINDOW (win)->hchild);
|
|
|
531 if (w) return w;
|
|
|
532 }
|
|
|
533 w = XWINDOW (win);
|
|
|
534 if (pix_x >= WINDOW_LEFT (w)
|
|
|
535 && pix_x <= WINDOW_RIGHT (w)
|
|
|
536 && pix_y >= WINDOW_TOP (w)
|
|
|
537 && pix_y <= WINDOW_BOTTOM (w))
|
|
|
538 return w;
|
|
|
539 }
|
|
|
540 return NULL;
|
|
|
541 }
|
|
|
542
|
|
|
543 /* Return a pointer to the display structures for the given window. */
|
|
|
544 display_line_dynarr *
|
|
|
545 window_display_lines (struct window *w, int which)
|
|
|
546 {
|
|
|
547 struct window_mirror *t;
|
|
|
548
|
|
|
549 if (XFRAME (w->frame)->mirror_dirty)
|
|
|
550 update_frame_window_mirror (XFRAME (w->frame));
|
|
|
551 t = find_window_mirror (w);
|
|
|
552 if (!t)
|
|
|
553 abort ();
|
|
|
554
|
|
|
555 if (which == CURRENT_DISP)
|
|
|
556 return t->current_display_lines;
|
|
|
557 else if (which == DESIRED_DISP)
|
|
|
558 return t->desired_display_lines;
|
|
|
559 else if (which == CMOTION_DISP)
|
|
|
560 /* The CMOTION_DISP display lines are global. */
|
|
|
561 return cmotion_display_lines;
|
|
|
562 else
|
|
|
563 abort ();
|
|
|
564
|
|
|
565 return 0; /* shut up compiler */
|
|
|
566 }
|
|
|
567
|
|
|
568 struct buffer *
|
|
|
569 window_display_buffer (struct window *w)
|
|
|
570 {
|
|
|
571 struct window_mirror *t;
|
|
|
572
|
|
|
573 if (XFRAME (w->frame)->mirror_dirty)
|
|
|
574 update_frame_window_mirror (XFRAME (w->frame));
|
|
|
575 t = find_window_mirror (w);
|
|
|
576 if (!t)
|
|
|
577 abort ();
|
|
|
578
|
|
|
579 return t->buffer;
|
|
|
580 }
|
|
|
581
|
|
|
582 void
|
|
|
583 set_window_display_buffer (struct window *w, struct buffer *b)
|
|
|
584 {
|
|
|
585 struct window_mirror *t;
|
|
|
586
|
|
|
587 if (XFRAME (w->frame)->mirror_dirty)
|
|
|
588 update_frame_window_mirror (XFRAME (w->frame));
|
|
|
589 t = find_window_mirror (w);
|
|
|
590 if (!t)
|
|
|
591 abort ();
|
|
|
592
|
|
|
593 t->buffer = b;
|
|
|
594 }
|
|
|
595
|
|
|
596
|
|
|
597 /* Determining a window's position based solely on its pixel
|
|
|
598 positioning doesn't work. Instead, we do it the intelligent way,
|
|
|
599 by checking its positioning in the window hierarchy. */
|
|
|
600 int
|
|
|
601 window_is_leftmost (struct window *w)
|
|
|
602 {
|
|
|
603 Lisp_Object parent, current_ancestor, window;
|
|
|
604
|
|
|
605 XSETWINDOW (window, w);
|
|
|
606
|
|
|
607 parent = XWINDOW (window)->parent;
|
|
|
608 current_ancestor = window;
|
|
|
609
|
|
|
610 while (!NILP (parent))
|
|
|
611 {
|
|
|
612 if (!NILP (XWINDOW (parent)->hchild) &&
|
|
|
613 !EQ (XWINDOW (parent)->hchild, current_ancestor))
|
|
|
614 return 0;
|
|
|
615
|
|
|
616 current_ancestor = parent;
|
|
|
617 parent = XWINDOW (parent)->parent;
|
|
|
618 }
|
|
|
619
|
|
|
620 return 1;
|
|
|
621 }
|
|
|
622
|
|
|
623 int
|
|
|
624 window_is_rightmost (struct window *w)
|
|
|
625 {
|
|
|
626 Lisp_Object parent, current_ancestor, window;
|
|
|
627
|
|
|
628 XSETWINDOW (window, w);
|
|
|
629
|
|
|
630 parent = XWINDOW (window)->parent;
|
|
|
631 current_ancestor = window;
|
|
|
632
|
|
|
633 while (!NILP (parent))
|
|
|
634 {
|
|
|
635 if (!NILP (XWINDOW (parent)->hchild)
|
|
|
636 && !NILP (XWINDOW (current_ancestor)->next))
|
|
|
637 return 0;
|
|
|
638
|
|
|
639 current_ancestor = parent;
|
|
|
640 parent = XWINDOW (parent)->parent;
|
|
|
641 }
|
|
|
642
|
|
|
643 return 1;
|
|
|
644 }
|
|
|
645
|
|
|
646 static int
|
|
|
647 window_full_width_p (struct window *w)
|
|
|
648 {
|
|
|
649 return window_is_leftmost (w) && window_is_rightmost (w);
|
|
|
650 }
|
|
|
651
|
|
|
652 int
|
|
|
653 window_is_highest (struct window *w)
|
|
|
654 {
|
|
|
655 Lisp_Object parent, current_ancestor, window;
|
|
|
656
|
|
|
657 XSETWINDOW (window, w);
|
|
|
658
|
|
|
659 parent = XWINDOW (window)->parent;
|
|
|
660 current_ancestor = window;
|
|
|
661
|
|
|
662 while (!NILP (parent))
|
|
|
663 {
|
|
|
664 if (!NILP (XWINDOW (parent)->vchild) &&
|
|
|
665 !EQ (XWINDOW (parent)->vchild, current_ancestor))
|
|
|
666 return 0;
|
|
|
667
|
|
|
668 current_ancestor = parent;
|
|
|
669 parent = XWINDOW (parent)->parent;
|
|
|
670 }
|
|
|
671
|
|
|
672 /* This is really to catch the minibuffer but we make it generic in
|
|
|
673 case we ever change things around to let the minibuffer be on top. */
|
|
|
674 if (NILP (XWINDOW (current_ancestor)->prev))
|
|
|
675 return 1;
|
|
|
676 else
|
|
|
677 return 0;
|
|
|
678 }
|
|
|
679
|
|
|
680 int
|
|
|
681 window_is_lowest (struct window *w)
|
|
|
682 {
|
|
|
683 Lisp_Object parent, current_ancestor, window;
|
|
|
684
|
|
|
685 XSETWINDOW (window, w);
|
|
|
686
|
|
|
687 parent = XWINDOW (window)->parent;
|
|
|
688 current_ancestor = window;
|
|
|
689
|
|
|
690 while (!NILP (parent))
|
|
|
691 {
|
|
|
692 if (!NILP (XWINDOW (parent)->vchild)
|
|
|
693 && !NILP (XWINDOW (current_ancestor)->next))
|
|
|
694 return 0;
|
|
|
695
|
|
|
696 current_ancestor = parent;
|
|
|
697 parent = XWINDOW (parent)->parent;
|
|
|
698 }
|
|
|
699
|
|
|
700 return 1;
|
|
|
701 }
|
|
|
702
|
|
|
703 #if 0 /* not currently used */
|
|
|
704
|
|
|
705 static int
|
|
|
706 window_full_height_p (struct window *w)
|
|
|
707 {
|
|
|
708 return window_is_highest (w) && window_is_lowest (w);
|
|
|
709 }
|
|
|
710
|
|
|
711 #endif
|
|
|
712
|
|
|
713 int
|
|
|
714 window_truncation_on (struct window *w)
|
|
|
715 {
|
|
|
716 /* Minibuffer windows are never truncated.
|
|
440
|
717 #### is this the right way ? */
|
|
428
|
718 if (MINI_WINDOW_P (w))
|
|
|
719 return 0;
|
|
|
720
|
|
|
721 /* Horizontally scrolled windows are truncated. */
|
|
|
722 if (w->hscroll)
|
|
|
723 return 1;
|
|
|
724
|
|
|
725 /* If truncate_partial_width_windows is true and the window is not
|
|
|
726 the full width of the frame it is truncated. */
|
|
|
727 if (truncate_partial_width_windows
|
|
|
728 && !(window_is_leftmost (w) && window_is_rightmost (w)))
|
|
|
729 return 1;
|
|
|
730
|
|
|
731 /* If the window's buffer's value of truncate_lines is non-nil, then
|
|
|
732 the window is truncated. */
|
|
|
733 if (!NILP (XBUFFER (w->buffer)->truncate_lines))
|
|
|
734 return 1;
|
|
|
735
|
|
|
736 return 0;
|
|
|
737 }
|
|
|
738
|
|
|
739 DEFUN ("window-truncated-p", Fwindow_truncated_p, 0, 1, 0, /*
|
|
442
|
740 Returns non-nil if text in the window is truncated.
|
|
428
|
741 */
|
|
|
742 (window))
|
|
|
743 {
|
|
|
744 struct window *w = decode_window (window);
|
|
|
745
|
|
|
746 return window_truncation_on (w) ? Qt : Qnil;
|
|
|
747 }
|
|
|
748
|
|
|
749
|
|
|
750 static int
|
|
|
751 have_undivided_common_edge (struct window *w_right, void *closure)
|
|
|
752 {
|
|
|
753 struct window *w_left = (struct window *) closure;
|
|
|
754 return (WINDOW_RIGHT (w_left) == WINDOW_LEFT (w_right)
|
|
|
755 && WINDOW_TOP (w_left) < WINDOW_BOTTOM (w_right)
|
|
|
756 && WINDOW_TOP (w_right) < WINDOW_BOTTOM (w_left)
|
|
|
757 #ifdef HAVE_SCROLLBARS
|
|
|
758 && (NILP (w_right->scrollbar_on_left_p)
|
|
|
759 || NILP (w_right->vertical_scrollbar_visible_p)
|
|
|
760 || ZEROP (w_right->scrollbar_width))
|
|
|
761 #endif
|
|
|
762 );
|
|
|
763 }
|
|
|
764
|
|
|
765 static int
|
|
|
766 window_needs_vertical_divider_1 (struct window *w)
|
|
|
767 {
|
|
|
768 /* Never if we're on the right */
|
|
|
769 if (window_is_rightmost (w))
|
|
|
770 return 0;
|
|
|
771
|
|
|
772 /* Always if draggable */
|
|
|
773 if (!NILP (w->vertical_divider_always_visible_p))
|
|
|
774 return 1;
|
|
|
775
|
|
|
776 #ifdef HAVE_SCROLLBARS
|
|
|
777 /* Our right scrollbar is enough to separate us at the right */
|
|
|
778 if (NILP (w->scrollbar_on_left_p)
|
|
|
779 && !NILP (w->vertical_scrollbar_visible_p)
|
|
|
780 && !ZEROP (w->scrollbar_width))
|
|
|
781 return 0;
|
|
|
782 #endif
|
|
|
783
|
|
|
784 /* Ok. to determine whether we need a divider on the left, we must
|
|
|
785 check that our right neighbor windows have scrollbars on their
|
|
|
786 left sides. We must check all such windows which have common
|
|
|
787 left edge with our window's right edge. */
|
|
|
788 return map_windows (XFRAME (WINDOW_FRAME (w)),
|
|
|
789 have_undivided_common_edge, (void*)w);
|
|
|
790 }
|
|
|
791
|
|
|
792 int
|
|
|
793 window_needs_vertical_divider (struct window *w)
|
|
|
794 {
|
|
|
795 if (!w->need_vertical_divider_valid_p)
|
|
|
796 {
|
|
|
797 w->need_vertical_divider_p =
|
|
|
798 window_needs_vertical_divider_1 (w);
|
|
|
799 w->need_vertical_divider_valid_p = 1;
|
|
|
800 }
|
|
|
801 return w->need_vertical_divider_p;
|
|
|
802 }
|
|
|
803
|
|
|
804 /* Called from invalidate_vertical_divider_cache_in_frame */
|
|
|
805 int
|
|
|
806 invalidate_vertical_divider_cache_in_window (struct window *w,
|
|
|
807 void *u_n_u_s_e_d)
|
|
|
808 {
|
|
|
809 w->need_vertical_divider_valid_p = 0;
|
|
|
810 return 0;
|
|
|
811 }
|
|
|
812
|
|
|
813 /* Calculate width of vertical divider, including its shadows
|
|
|
814 and spacing. The returned value is effectively the distance
|
|
|
815 between adjacent window edges. This function does not check
|
|
|
816 whether a window needs a vertical divider, so the returned
|
|
|
817 value is a "theoretical" one */
|
|
|
818 int
|
|
|
819 window_divider_width (struct window *w)
|
|
|
820 {
|
|
|
821 /* the shadow thickness can be negative. This means that the divider
|
|
|
822 will have a depressed look */
|
|
|
823
|
|
|
824 if (FRAME_WIN_P (XFRAME (WINDOW_FRAME (w))))
|
|
|
825 return
|
|
|
826 XINT (w->vertical_divider_line_width)
|
|
|
827 + 2 * XINT (w->vertical_divider_spacing)
|
|
|
828 + 2 * abs (XINT (w->vertical_divider_shadow_thickness));
|
|
|
829 else
|
|
|
830 return XINT (w->vertical_divider_line_width) == 0 ? 0 : 1;
|
|
|
831 }
|
|
|
832
|
|
|
833 int
|
|
|
834 window_scrollbar_width (struct window *w)
|
|
|
835 {
|
|
|
836 #ifdef HAVE_SCROLLBARS
|
|
|
837 if (!WINDOW_WIN_P (w)
|
|
|
838 || MINI_WINDOW_P (w)
|
|
|
839 || NILP (w->buffer)
|
|
|
840 || NILP (w->vertical_scrollbar_visible_p))
|
|
|
841 /* #### when does NILP (w->buffer) happen? */
|
|
|
842 return 0;
|
|
|
843
|
|
|
844 return XINT (w->scrollbar_width);
|
|
|
845 #else
|
|
|
846 return 0;
|
|
|
847 #endif /* HAVE_SCROLLBARS */
|
|
|
848 }
|
|
|
849
|
|
|
850 /* Horizontal scrollbars are only active on windows with truncation
|
|
|
851 turned on. */
|
|
|
852 int
|
|
|
853 window_scrollbar_height (struct window *w)
|
|
|
854 {
|
|
|
855 #ifdef HAVE_SCROLLBARS
|
|
|
856 if (!WINDOW_WIN_P (w)
|
|
|
857 || MINI_WINDOW_P (w)
|
|
|
858 || NILP (w->buffer)
|
|
|
859 || NILP (w->horizontal_scrollbar_visible_p)
|
|
|
860 || !window_truncation_on (w))
|
|
|
861 return 0;
|
|
|
862
|
|
|
863 return XINT (w->scrollbar_height);
|
|
|
864 #else
|
|
|
865 return 0;
|
|
|
866 #endif /* HAVE_SCROLLBARS */
|
|
|
867 }
|
|
|
868
|
|
|
869 int
|
|
|
870 window_modeline_height (struct window *w)
|
|
|
871 {
|
|
|
872 struct frame *f = XFRAME (w->frame);
|
|
|
873 int modeline_height;
|
|
|
874
|
|
|
875 if (MINI_WINDOW_P (w) || NILP (w->buffer))
|
|
|
876 {
|
|
|
877 modeline_height = 0;
|
|
|
878 }
|
|
|
879 else if (!WINDOW_HAS_MODELINE_P (w))
|
|
|
880 {
|
|
|
881 if (window_scrollbar_height (w))
|
|
|
882 modeline_height = 0;
|
|
|
883 else
|
|
|
884 {
|
|
|
885 modeline_height = FRAMEMETH (f, divider_height, ());
|
|
|
886
|
|
|
887 if (!EQ (Qzero, w->modeline_shadow_thickness) && FRAME_WIN_P (f))
|
|
|
888 modeline_height += (2 * MODELINE_SHADOW_THICKNESS (w));
|
|
|
889 }
|
|
|
890 }
|
|
|
891 else
|
|
|
892 {
|
|
|
893 if (noninteractive)
|
|
|
894 modeline_height = 0;
|
|
|
895 else
|
|
|
896 {
|
|
|
897 display_line_dynarr *dla;
|
|
|
898
|
|
|
899 /* We don't force a regeneration of the modeline here.
|
|
|
900 Instead it is now a precondition that any function calling
|
|
|
901 this should make sure that one of these structures is
|
|
|
902 up-to-date. In practice this only affects two internal
|
|
|
903 redisplay functions, regenerate_window and
|
|
|
904 regenerate_window_point_center. */
|
|
|
905 /* We check DESIRED_DISP because if it is valid it is more
|
|
|
906 up-to-date than CURRENT_DISP. For calls to this outside
|
|
|
907 of redisplay it doesn't matter which structure we check
|
|
|
908 since there is a redisplay condition that these
|
|
|
909 structures be identical outside of redisplay. */
|
|
|
910 dla = window_display_lines (w, DESIRED_DISP);
|
|
|
911 if (dla && Dynarr_length (dla) && Dynarr_atp (dla, 0)->modeline)
|
|
|
912 modeline_height = (Dynarr_atp (dla, 0)->ascent +
|
|
|
913 Dynarr_atp (dla, 0)->descent);
|
|
|
914 else
|
|
|
915 {
|
|
|
916 dla = window_display_lines (w, CURRENT_DISP);
|
|
|
917 if (dla && Dynarr_length (dla) && Dynarr_atp (dla, 0)->modeline)
|
|
|
918 modeline_height = (Dynarr_atp (dla, 0)->ascent +
|
|
|
919 Dynarr_atp (dla, 0)->descent);
|
|
|
920 else
|
|
|
921 /* This should be an abort except I'm not yet 100%
|
|
|
922 confident that it won't ever get hit (though I
|
|
|
923 haven't been able to trigger it). It is extremely
|
|
|
924 unlikely to cause any noticeable problem and even if
|
|
|
925 it does it will be a minor display glitch. */
|
|
|
926 /* #### Bullshit alert. It does get hit and it causes
|
|
|
927 noticeable glitches. real_current_modeline_height
|
|
|
928 is a kludge to fix this for 19.14. */
|
|
|
929 modeline_height = real_current_modeline_height (w);
|
|
|
930 }
|
|
|
931
|
|
|
932 if (!EQ (Qzero, w->modeline_shadow_thickness) && FRAME_WIN_P (f))
|
|
|
933 modeline_height += (2 * MODELINE_SHADOW_THICKNESS (w));
|
|
|
934 }
|
|
|
935 }
|
|
|
936
|
|
|
937 return modeline_height;
|
|
|
938 }
|
|
|
939
|
|
|
940 /*****************************************************************************
|
|
|
941 margin_width_internal
|
|
|
942
|
|
|
943 For a given window, return the width in pixels of the specified margin.
|
|
|
944 ****************************************************************************/
|
|
|
945 static int
|
|
|
946 margin_width_internal (struct window *w, int left_margin)
|
|
|
947 {
|
|
|
948 struct buffer *b;
|
|
|
949 int window_cwidth = window_char_width (w, 1);
|
|
|
950 int margin_cwidth;
|
|
|
951 int font_width;
|
|
|
952 Lisp_Object window;
|
|
|
953
|
|
|
954 /* We might be getting called on a non-leaf. */
|
|
|
955 if (NILP (w->buffer))
|
|
|
956 return 0;
|
|
|
957
|
|
|
958 /* The minibuffer never has margins. */
|
|
|
959 if (MINI_WINDOW_P (w))
|
|
|
960 return 0;
|
|
|
961
|
|
|
962 XSETWINDOW (window, w);
|
|
|
963 b = XBUFFER (w->buffer);
|
|
|
964 margin_cwidth = (left_margin ? XINT (w->left_margin_width) :
|
|
|
965 XINT (w->right_margin_width));
|
|
|
966
|
|
|
967 default_face_height_and_width (window, 0, &font_width);
|
|
|
968
|
|
|
969 /* The left margin takes precedence over the right margin so we
|
|
|
970 subtract its width from the space available for the right
|
|
|
971 margin. */
|
|
|
972 if (!left_margin)
|
|
|
973 window_cwidth -= XINT (w->left_margin_width);
|
|
|
974
|
|
|
975 /* The margin cannot be wider than the window is. We allow the
|
|
|
976 value to be bigger since it is possible for the user to enlarge
|
|
|
977 the window such that the left margin value would no longer be too
|
|
|
978 big, but we won't return a value that is larger. */
|
|
|
979 if (margin_cwidth > window_cwidth)
|
|
|
980 margin_cwidth = window_cwidth;
|
|
|
981
|
|
|
982 /* At the user level the margin is always specified in characters.
|
|
|
983 Internally however it is manipulated in terms of pixels. */
|
|
|
984 return margin_cwidth * font_width;
|
|
|
985 }
|
|
|
986
|
|
|
987 int
|
|
|
988 window_left_margin_width (struct window *w)
|
|
|
989 {
|
|
|
990 return margin_width_internal (w, 1);
|
|
|
991 }
|
|
|
992
|
|
|
993 int
|
|
|
994 window_right_margin_width (struct window *w)
|
|
|
995 {
|
|
|
996 return margin_width_internal (w, 0);
|
|
|
997 }
|
|
|
998
|
|
|
999 /*****************************************************************************
|
|
|
1000 Window Gutters
|
|
|
1001
|
|
|
1002 The gutters of a window are those areas in the boundary defined by
|
|
|
1003 w->pixel_top, w->pixel_left, w->pixel_height and w->pixel_width which
|
|
|
1004 do not contain text. Items which may be in the gutters include
|
|
|
1005 scrollbars, toolbars and modelines. The margin areas are not
|
|
|
1006 included. This is an exception made because redisplay special cases
|
|
|
1007 the handling of those areas in many places in such a way that
|
|
|
1008 including them in the gutter area would make life difficult.
|
|
|
1009
|
|
|
1010 The size functions refer to height for the bottom and top gutters and
|
|
|
1011 width for the left and right gutters. The starting position
|
|
|
1012 functions refer to the Y coord for bottom and top gutters and the X
|
|
|
1013 coord for left and right gutters. All starting positions are
|
|
|
1014 relative to the frame, not the window.
|
|
|
1015 ****************************************************************************/
|
|
|
1016
|
|
442
|
1017 static int
|
|
|
1018 window_top_window_gutter_height (struct window *w)
|
|
|
1019 {
|
|
428
|
1020 if (!NILP (w->hchild) || !NILP (w->vchild))
|
|
|
1021 return 0;
|
|
|
1022
|
|
|
1023 #ifdef HAVE_SCROLLBARS
|
|
|
1024 if (!NILP (w->scrollbar_on_top_p))
|
|
442
|
1025 return window_scrollbar_height (w);
|
|
428
|
1026 else
|
|
|
1027 #endif
|
|
442
|
1028 return 0;
|
|
428
|
1029 }
|
|
|
1030
|
|
|
1031 int
|
|
442
|
1032 window_top_gutter_height (struct window *w)
|
|
|
1033 {
|
|
|
1034 return window_top_window_gutter_height (w);
|
|
|
1035 }
|
|
|
1036
|
|
|
1037 static int
|
|
|
1038 window_bottom_window_gutter_height (struct window *w)
|
|
|
1039 {
|
|
|
1040 int gutter;
|
|
428
|
1041
|
|
|
1042 if (!NILP (w->hchild) || !NILP (w->vchild))
|
|
|
1043 return 0;
|
|
|
1044
|
|
442
|
1045 gutter = window_modeline_height (w);
|
|
428
|
1046
|
|
|
1047 #ifdef HAVE_SCROLLBARS
|
|
|
1048 if (NILP (w->scrollbar_on_top_p))
|
|
|
1049 return window_scrollbar_height (w) + gutter;
|
|
|
1050 else
|
|
|
1051 #endif
|
|
|
1052 return gutter;
|
|
|
1053 }
|
|
|
1054
|
|
|
1055 int
|
|
442
|
1056 window_bottom_gutter_height (struct window *w)
|
|
|
1057 {
|
|
|
1058 return window_bottom_window_gutter_height (w);
|
|
|
1059 }
|
|
|
1060
|
|
|
1061 static int
|
|
|
1062 window_left_window_gutter_width (struct window *w, int modeline)
|
|
|
1063 {
|
|
428
|
1064 if (!NILP (w->hchild) || !NILP (w->vchild))
|
|
|
1065 return 0;
|
|
|
1066
|
|
|
1067 #ifdef HAVE_SCROLLBARS
|
|
|
1068 if (!modeline && !NILP (w->scrollbar_on_left_p))
|
|
442
|
1069 return window_scrollbar_width (w);
|
|
428
|
1070 #endif
|
|
|
1071
|
|
442
|
1072 return 0;
|
|
428
|
1073 }
|
|
|
1074
|
|
|
1075 int
|
|
442
|
1076 window_left_gutter_width (struct window *w, int modeline)
|
|
|
1077 {
|
|
|
1078 return window_left_window_gutter_width (w, modeline);
|
|
|
1079 }
|
|
|
1080
|
|
|
1081 static int
|
|
|
1082 window_right_window_gutter_width (struct window *w, int modeline)
|
|
|
1083 {
|
|
|
1084 int gutter = 0;
|
|
428
|
1085
|
|
|
1086 if (!NILP (w->hchild) || !NILP (w->vchild))
|
|
|
1087 return 0;
|
|
|
1088
|
|
|
1089 #ifdef HAVE_SCROLLBARS
|
|
|
1090 if (!modeline && NILP (w->scrollbar_on_left_p))
|
|
|
1091 gutter += window_scrollbar_width (w);
|
|
|
1092 #endif
|
|
|
1093
|
|
|
1094 if (window_needs_vertical_divider (w))
|
|
|
1095 gutter += window_divider_width (w);
|
|
|
1096
|
|
|
1097 return gutter;
|
|
|
1098 }
|
|
|
1099
|
|
442
|
1100 int
|
|
|
1101 window_right_gutter_width (struct window *w, int modeline)
|
|
|
1102 {
|
|
|
1103 return window_right_window_gutter_width (w, modeline);
|
|
|
1104 }
|
|
|
1105
|
|
|
1106 static int
|
|
|
1107 window_pixel_height (struct window* w)
|
|
|
1108 {
|
|
|
1109 return WINDOW_HEIGHT (w);
|
|
|
1110 }
|
|
|
1111
|
|
428
|
1112
|
|
|
1113 DEFUN ("windowp", Fwindowp, 1, 1, 0, /*
|
|
444
|
1114 Return t if OBJECT is a window.
|
|
428
|
1115 */
|
|
444
|
1116 (object))
|
|
|
1117 {
|
|
|
1118 return WINDOWP (object) ? Qt : Qnil;
|
|
428
|
1119 }
|
|
|
1120
|
|
|
1121 DEFUN ("window-live-p", Fwindow_live_p, 1, 1, 0, /*
|
|
444
|
1122 Return t if OBJECT is a window which is currently visible.
|
|
428
|
1123 */
|
|
444
|
1124 (object))
|
|
|
1125 {
|
|
|
1126 return WINDOWP (object) && WINDOW_LIVE_P (XWINDOW (object))
|
|
|
1127 ? Qt : Qnil;
|
|
428
|
1128 }
|
|
|
1129
|
|
|
1130 DEFUN ("selected-window", Fselected_window, 0, 1, 0, /*
|
|
|
1131 Return the window that the cursor now appears in and commands apply to.
|
|
|
1132 If the optional argument CON-DEV-OR-FRAME is specified and is a frame, return
|
|
|
1133 the selected window used by that frame. If CON-DEV-OR-FRAME is a device,
|
|
|
1134 then the selected frame on that device will be used. If CON-DEV-OR-FRAME
|
|
|
1135 is a console, the selected frame on that console's selected device will
|
|
|
1136 be used. Otherwise, the selected frame is used.
|
|
|
1137 */
|
|
|
1138 (con_dev_or_frame))
|
|
|
1139 {
|
|
|
1140 if (NILP (con_dev_or_frame) && NILP (Fselected_device (Qnil)))
|
|
|
1141 return Qnil; /* happens at startup */
|
|
|
1142
|
|
|
1143 {
|
|
|
1144 struct frame *f = decode_frame_or_selected (con_dev_or_frame);
|
|
|
1145 return FRAME_SELECTED_WINDOW (f);
|
|
|
1146 }
|
|
|
1147 }
|
|
|
1148
|
|
|
1149 DEFUN ("last-nonminibuf-window", Flast_nonminibuf_window, 0, 1, 0, /*
|
|
|
1150 Return the last selected window that is not a minibuffer window.
|
|
|
1151 If the optional argument CON-DEV-OR-FRAME is specified and is a frame,
|
|
|
1152 return the last non-minibuffer window used by that frame. If
|
|
|
1153 CON-DEV-OR-FRAME is a device, then the selected frame on that device
|
|
|
1154 will be used. If CON-DEV-OR-FRAME is a console, the selected frame on
|
|
|
1155 that console's selected device will be used. Otherwise, the selected
|
|
|
1156 frame is used.
|
|
|
1157 */
|
|
|
1158 (con_dev_or_frame))
|
|
|
1159 {
|
|
|
1160 if (NILP (con_dev_or_frame) && NILP (Fselected_device (Qnil)))
|
|
|
1161 return Qnil; /* happens at startup */
|
|
|
1162
|
|
|
1163 {
|
|
|
1164 struct frame *f = decode_frame_or_selected (con_dev_or_frame);
|
|
|
1165 return FRAME_LAST_NONMINIBUF_WINDOW (f);
|
|
|
1166 }
|
|
|
1167 }
|
|
|
1168
|
|
|
1169 DEFUN ("minibuffer-window", Fminibuffer_window, 0, 1, 0, /*
|
|
|
1170 Return the window used now for minibuffers.
|
|
|
1171 If the optional argument CON-DEV-OR-FRAME is specified and is a frame, return
|
|
|
1172 the minibuffer window used by that frame. If CON-DEV-OR-FRAME is a device,
|
|
|
1173 then the selected frame on that device will be used. If CON-DEV-OR-FRAME
|
|
|
1174 is a console, the selected frame on that console's selected device will
|
|
|
1175 be used. Otherwise, the selected frame is used.
|
|
|
1176 */
|
|
|
1177 (con_dev_or_frame))
|
|
|
1178 {
|
|
|
1179 return FRAME_MINIBUF_WINDOW (decode_frame_or_selected (con_dev_or_frame));
|
|
|
1180 }
|
|
|
1181
|
|
438
|
1182 DEFUN ("window-minibuffer-p", Fwindow_minibuffer_p, 0, 1, 0, /*
|
|
428
|
1183 Return non-nil if WINDOW is a minibuffer window.
|
|
|
1184 */
|
|
|
1185 (window))
|
|
|
1186 {
|
|
|
1187 return MINI_WINDOW_P (decode_window (window)) ? Qt : Qnil;
|
|
|
1188 }
|
|
|
1189
|
|
|
1190 DEFUN ("window-first-hchild", Fwindow_first_hchild, 1, 1, 0, /*
|
|
|
1191 Return the first horizontal child of WINDOW, or nil.
|
|
|
1192 */
|
|
|
1193 (window))
|
|
|
1194 {
|
|
|
1195 return decode_window (window)->hchild;
|
|
|
1196 }
|
|
|
1197
|
|
|
1198 DEFUN ("window-first-vchild", Fwindow_first_vchild, 1, 1, 0, /*
|
|
|
1199 Return the first vertical child of WINDOW, or nil.
|
|
|
1200 */
|
|
|
1201 (window))
|
|
|
1202 {
|
|
|
1203 return decode_window (window)->vchild;
|
|
|
1204 }
|
|
|
1205
|
|
|
1206 DEFUN ("window-next-child", Fwindow_next_child, 1, 1, 0, /*
|
|
|
1207 Return the next window on the same level as WINDOW, or nil.
|
|
|
1208 */
|
|
|
1209 (window))
|
|
|
1210 {
|
|
|
1211 return decode_window (window)->next;
|
|
|
1212 }
|
|
|
1213
|
|
|
1214 DEFUN ("window-previous-child", Fwindow_previous_child, 1, 1, 0, /*
|
|
|
1215 Return the previous window on the same level as WINDOW, or nil.
|
|
|
1216 */
|
|
|
1217 (window))
|
|
|
1218 {
|
|
|
1219 return decode_window (window)->prev;
|
|
|
1220 }
|
|
|
1221
|
|
|
1222 DEFUN ("window-parent", Fwindow_parent, 1, 1, 0, /*
|
|
|
1223 Return the parent of WINDOW, or nil.
|
|
|
1224 */
|
|
|
1225 (window))
|
|
|
1226 {
|
|
|
1227 return decode_window (window)->parent;
|
|
|
1228 }
|
|
|
1229
|
|
|
1230 DEFUN ("window-lowest-p", Fwindow_lowest_p, 1, 1, 0, /*
|
|
|
1231 Return non-nil if WINDOW is along the bottom of its frame.
|
|
|
1232 */
|
|
|
1233 (window))
|
|
|
1234 {
|
|
|
1235 return window_is_lowest (decode_window (window)) ? Qt : Qnil;
|
|
|
1236 }
|
|
|
1237
|
|
|
1238 DEFUN ("window-highest-p", Fwindow_highest_p, 1, 1, 0, /*
|
|
|
1239 Return non-nil if WINDOW is along the top of its frame.
|
|
|
1240 */
|
|
|
1241 (window))
|
|
|
1242 {
|
|
|
1243 return window_is_highest (decode_window (window)) ? Qt : Qnil;
|
|
|
1244 }
|
|
|
1245
|
|
|
1246 DEFUN ("window-leftmost-p", Fwindow_leftmost_p, 1, 1, 0, /*
|
|
|
1247 Return non-nil if WINDOW is along the left edge of its frame.
|
|
|
1248 */
|
|
|
1249 (window))
|
|
|
1250 {
|
|
|
1251 return window_is_leftmost (decode_window (window)) ? Qt : Qnil;
|
|
|
1252 }
|
|
|
1253
|
|
|
1254 DEFUN ("window-rightmost-p", Fwindow_rightmost_p, 1, 1, 0, /*
|
|
|
1255 Return non-nil if WINDOW is along the right edge of its frame.
|
|
|
1256 */
|
|
|
1257 (window))
|
|
|
1258 {
|
|
|
1259 return window_is_rightmost (decode_window (window)) ? Qt : Qnil;
|
|
|
1260 }
|
|
|
1261
|
|
|
1262 DEFUN ("pos-visible-in-window-p", Fpos_visible_in_window_p, 0, 2, 0, /*
|
|
|
1263 Return t if position POS is currently on the frame in WINDOW.
|
|
|
1264 Returns nil if that position is scrolled vertically out of view.
|
|
|
1265 POS defaults to point in WINDOW's buffer; WINDOW, to the selected window.
|
|
|
1266 */
|
|
|
1267 (pos, window))
|
|
|
1268 {
|
|
|
1269 struct window *w = decode_window (window);
|
|
|
1270 Bufpos top = marker_position (w->start[CURRENT_DISP]);
|
|
|
1271 Bufpos posint;
|
|
|
1272 struct buffer *buf = XBUFFER (w->buffer);
|
|
|
1273
|
|
|
1274 if (NILP (pos))
|
|
|
1275 posint = BUF_PT (buf);
|
|
|
1276 else
|
|
|
1277 {
|
|
|
1278 CHECK_INT_COERCE_MARKER (pos);
|
|
|
1279 posint = XINT (pos);
|
|
|
1280 }
|
|
|
1281
|
|
|
1282 if (posint < top || posint > BUF_ZV (buf))
|
|
|
1283 return Qnil;
|
|
|
1284
|
|
|
1285 /* w->start can be out of range. If it is, do something reasonable. */
|
|
|
1286 if (top < BUF_BEGV (buf) || top > BUF_ZV (buf))
|
|
|
1287 return Qnil;
|
|
|
1288
|
|
|
1289 return point_would_be_visible (w, top, posint) ? Qt : Qnil;
|
|
|
1290 }
|
|
|
1291
|
|
|
1292
|
|
|
1293 struct window *
|
|
|
1294 decode_window (Lisp_Object window)
|
|
|
1295 {
|
|
|
1296 if (NILP (window))
|
|
|
1297 return XWINDOW (Fselected_window (Qnil));
|
|
|
1298
|
|
|
1299 CHECK_LIVE_WINDOW (window);
|
|
|
1300 return XWINDOW (window);
|
|
|
1301 }
|
|
|
1302
|
|
|
1303 DEFUN ("window-buffer", Fwindow_buffer, 0, 1, 0, /*
|
|
|
1304 Return the buffer that WINDOW is displaying.
|
|
|
1305 */
|
|
|
1306 (window))
|
|
|
1307 {
|
|
|
1308 return decode_window (window)->buffer;
|
|
|
1309 }
|
|
|
1310
|
|
|
1311 DEFUN ("window-frame", Fwindow_frame, 0, 1, 0, /*
|
|
|
1312 Return the frame that window WINDOW is on.
|
|
|
1313 */
|
|
|
1314 (window))
|
|
|
1315 {
|
|
|
1316 return decode_window (window)->frame;
|
|
|
1317 }
|
|
|
1318
|
|
|
1319 DEFUN ("window-height", Fwindow_height, 0, 1, 0, /*
|
|
|
1320 Return the number of default lines in WINDOW.
|
|
|
1321 This actually works by dividing the window's pixel height (including
|
|
|
1322 the modeline and horizontal scrollbar, if any) by the height of the
|
|
|
1323 default font; therefore, the number of displayed lines will probably
|
|
|
1324 be different.
|
|
|
1325 Use `window-height' to get consistent results in geometry calculations.
|
|
|
1326 Use `window-displayed-height' to get the actual number of lines
|
|
|
1327 currently displayed in a window.
|
|
442
|
1328
|
|
|
1329 The names are somewhat confusing; here's a table to help out:
|
|
|
1330
|
|
|
1331 width height
|
|
|
1332 -------------------------------------------------------------------------
|
|
|
1333 w/o gutters
|
|
|
1334 (rows/columns) window-width window-text-area-height
|
|
|
1335 (pixels) window-text-area-pixel-width window-text-area-pixel-height
|
|
|
1336
|
|
|
1337 with gutters
|
|
|
1338 (rows/columns) window-full-width window-height
|
|
|
1339 (pixels) window-pixel-width window-pixel-height
|
|
|
1340
|
|
|
1341 actually displayed
|
|
|
1342 (rows/columns) ---- window-displayed-height
|
|
|
1343 (pixels) ---- window-displayed-text-pixel-height
|
|
428
|
1344 */
|
|
|
1345 (window))
|
|
|
1346 {
|
|
|
1347 return make_int (window_char_height (decode_window (window), 1));
|
|
|
1348 }
|
|
|
1349
|
|
|
1350 DEFUN ("window-displayed-height", Fwindow_displayed_height, 0, 1, 0, /*
|
|
|
1351 Return the number of lines currently displayed in WINDOW.
|
|
|
1352 This counts the actual number of lines displayed in WINDOW
|
|
|
1353 \(as opposed to `window-height'). The modeline and horizontal
|
|
|
1354 scrollbar do not count as lines. If there is some blank space
|
|
|
1355 between the end of the buffer and the end of the window, this
|
|
|
1356 function pretends that there are lines of text in the default
|
|
|
1357 font there.
|
|
|
1358 */
|
|
|
1359 (window))
|
|
|
1360 {
|
|
|
1361 return make_int (window_displayed_height (decode_window (window)));
|
|
|
1362 }
|
|
|
1363
|
|
|
1364 DEFUN ("window-pixel-height", Fwindow_pixel_height, 0, 1, 0, /*
|
|
|
1365 Return the height of WINDOW in pixels. Defaults to current window.
|
|
|
1366 This includes the window's modeline and horizontal scrollbar (if any).
|
|
|
1367 */
|
|
|
1368 (window))
|
|
|
1369 {
|
|
442
|
1370 return make_int (window_pixel_height (decode_window (window)));
|
|
|
1371 }
|
|
|
1372
|
|
|
1373 DEFUN ("window-text-area-height", Fwindow_text_area_height, 0, 1, 0, /*
|
|
|
1374 Return the number of default lines in the text area of WINDOW.
|
|
|
1375 This actually works by dividing the window's text area pixel height (i.e.
|
|
|
1376 excluding the modeline and horizontal scrollbar, if any) by the height of the
|
|
|
1377 default font; therefore, the number of displayed lines will probably
|
|
|
1378 be different.
|
|
|
1379 See also `window-height' and `window-displayed-height'.
|
|
|
1380 */
|
|
|
1381 (window))
|
|
|
1382 {
|
|
|
1383 return make_int (window_char_height (decode_window (window), 0));
|
|
428
|
1384 }
|
|
|
1385
|
|
|
1386 DEFUN ("window-text-area-pixel-height",
|
|
|
1387 Fwindow_text_area_pixel_height, 0, 1, 0, /*
|
|
|
1388 Return the height in pixels of the text-displaying portion of WINDOW.
|
|
|
1389 Unlike `window-pixel-height', the space occupied by the modeline and
|
|
|
1390 horizontal scrollbar, if any, is not counted.
|
|
|
1391 */
|
|
|
1392 (window))
|
|
|
1393 {
|
|
|
1394 struct window *w = decode_window (window);
|
|
|
1395
|
|
|
1396 return make_int (WINDOW_TEXT_HEIGHT (w));
|
|
|
1397 }
|
|
|
1398
|
|
|
1399 DEFUN ("window-displayed-text-pixel-height",
|
|
|
1400 Fwindow_displayed_text_pixel_height, 0, 2, 0, /*
|
|
|
1401 Return the height in pixels of the text displayed in WINDOW.
|
|
|
1402 Unlike `window-text-area-pixel-height', any blank space below the
|
|
|
1403 end of the buffer is not included. If optional argument NOCLIPPED
|
|
|
1404 is non-nil, do not include space occupied by clipped lines.
|
|
|
1405 */
|
|
|
1406 (window, noclipped))
|
|
|
1407 {
|
|
|
1408 struct window *w;
|
|
|
1409 Bufpos start, eobuf;
|
|
|
1410 int defheight;
|
|
|
1411 int hlimit, height, prev_height = -1;
|
|
|
1412 int line;
|
|
|
1413 int elt, nelt, i;
|
|
|
1414 int needed;
|
|
|
1415 line_start_cache_dynarr *cache;
|
|
|
1416
|
|
|
1417 if (NILP (window))
|
|
|
1418 window = Fselected_window (Qnil);
|
|
|
1419
|
|
|
1420 CHECK_LIVE_WINDOW (window);
|
|
|
1421 w = XWINDOW (window);
|
|
|
1422
|
|
|
1423 start = marker_position (w->start[CURRENT_DISP]);
|
|
|
1424 hlimit = WINDOW_TEXT_HEIGHT (w);
|
|
|
1425 eobuf = BUF_ZV (XBUFFER (w->buffer));
|
|
|
1426
|
|
|
1427 default_face_height_and_width (window, &defheight, NULL);
|
|
|
1428
|
|
|
1429 /* guess lines needed in line start cache + a few extra */
|
|
|
1430 needed = (hlimit + defheight-1) / defheight + 3;
|
|
|
1431
|
|
|
1432 while (1) {
|
|
|
1433 elt = point_in_line_start_cache (w, start, needed);
|
|
|
1434 assert (elt >= 0); /* in the cache */
|
|
|
1435
|
|
|
1436 cache = w->line_start_cache;
|
|
|
1437 nelt = Dynarr_length (cache);
|
|
|
1438
|
|
|
1439 height = 0;
|
|
|
1440 for (i = elt; i < nelt; i++) {
|
|
|
1441 line = Dynarr_atp (cache, i)->height;
|
|
|
1442
|
|
|
1443 if (height + line > hlimit)
|
|
|
1444 return make_int (!NILP (noclipped) ? height : hlimit);
|
|
|
1445
|
|
|
1446 height += line;
|
|
|
1447
|
|
|
1448 if (height == hlimit || Dynarr_atp (cache, i)->end >= eobuf)
|
|
|
1449 return make_int (height);
|
|
|
1450 }
|
|
|
1451
|
|
|
1452 /* get here => need more cache lines. try again. */
|
|
|
1453 assert(height > prev_height); /* progress? */
|
|
|
1454 prev_height = height;
|
|
|
1455
|
|
|
1456 needed += ((hlimit - height)*(nelt - elt) + height-1)/height + 3;
|
|
|
1457 }
|
|
|
1458
|
|
|
1459 RETURN_NOT_REACHED(make_int (0)) /* shut up compiler */
|
|
|
1460 }
|
|
|
1461
|
|
|
1462 DEFUN ("window-width", Fwindow_width, 0, 1, 0, /*
|
|
|
1463 Return the number of display columns in WINDOW.
|
|
442
|
1464 This is the width that is usable columns available for text in WINDOW,
|
|
|
1465 and does not include vertical scrollbars, dividers, or the like. See also
|
|
|
1466 `window-full-width' and `window-height'.
|
|
428
|
1467 */
|
|
|
1468 (window))
|
|
|
1469 {
|
|
|
1470 return make_int (window_char_width (decode_window (window), 0));
|
|
|
1471 }
|
|
|
1472
|
|
442
|
1473 DEFUN ("window-full-width", Fwindow_full_width, 0, 1, 0, /*
|
|
|
1474 Return the total number of columns in WINDOW.
|
|
|
1475 This is like `window-width' but includes vertical scrollbars, dividers,
|
|
|
1476 etc.
|
|
|
1477 */
|
|
|
1478 (window))
|
|
|
1479 {
|
|
|
1480 return make_int (window_char_width (decode_window (window), 1));
|
|
|
1481 }
|
|
|
1482
|
|
428
|
1483 DEFUN ("window-pixel-width", Fwindow_pixel_width, 0, 1, 0, /*
|
|
|
1484 Return the width of WINDOW in pixels. Defaults to current window.
|
|
|
1485 */
|
|
|
1486 (window))
|
|
|
1487 {
|
|
|
1488 return make_int (decode_window (window)->pixel_width);
|
|
|
1489 }
|
|
|
1490
|
|
|
1491 DEFUN ("window-text-area-pixel-width",
|
|
|
1492 Fwindow_text_area_pixel_width, 0, 1, 0, /*
|
|
|
1493 Return the width in pixels of the text-displaying portion of WINDOW.
|
|
|
1494 Unlike `window-pixel-width', the space occupied by the vertical
|
|
|
1495 scrollbar or divider, if any, is not counted.
|
|
|
1496 */
|
|
|
1497 (window))
|
|
|
1498 {
|
|
|
1499 struct window *w = decode_window (window);
|
|
|
1500
|
|
|
1501 return make_int (WINDOW_TEXT_WIDTH (w));
|
|
|
1502 }
|
|
|
1503
|
|
|
1504 DEFUN ("window-hscroll", Fwindow_hscroll, 0, 1, 0, /*
|
|
|
1505 Return the number of columns by which WINDOW is scrolled from left margin.
|
|
|
1506 */
|
|
|
1507 (window))
|
|
|
1508 {
|
|
|
1509 return make_int (decode_window (window)->hscroll);
|
|
|
1510 }
|
|
|
1511
|
|
|
1512 DEFUN ("modeline-hscroll", Fmodeline_hscroll, 0, 1, 0, /*
|
|
442
|
1513 Return the horizontal scrolling amount of WINDOW's modeline.
|
|
438
|
1514 If the window has no modeline, return nil.
|
|
428
|
1515 */
|
|
|
1516 (window))
|
|
|
1517 {
|
|
|
1518 struct window *w = decode_window (window);
|
|
|
1519
|
|
438
|
1520 return (WINDOW_HAS_MODELINE_P (w)) ? make_int ((int) w->modeline_hscroll) :
|
|
|
1521 Qnil;
|
|
428
|
1522 }
|
|
|
1523
|
|
|
1524 DEFUN ("set-modeline-hscroll", Fset_modeline_hscroll, 2, 2, 0, /*
|
|
442
|
1525 Set the horizontal scrolling amount of WINDOW's modeline to NCOL.
|
|
438
|
1526 If NCOL is negative, it will silently be forced to 0.
|
|
|
1527 If the window has no modeline, return nil. Otherwise, return the actual
|
|
|
1528 value that was set.
|
|
428
|
1529 */
|
|
|
1530 (window, ncol))
|
|
|
1531 {
|
|
|
1532 struct window *w = decode_window (window);
|
|
|
1533
|
|
|
1534 if (WINDOW_HAS_MODELINE_P (w))
|
|
|
1535 {
|
|
438
|
1536 Charcount ncols;
|
|
|
1537
|
|
428
|
1538 CHECK_INT (ncol);
|
|
438
|
1539 ncols = (XINT (ncol) <= 0) ? 0 : (Charcount) XINT (ncol);
|
|
|
1540 if (ncols != w->modeline_hscroll)
|
|
|
1541 {
|
|
|
1542 MARK_MODELINE_CHANGED;
|
|
|
1543 w->modeline_hscroll = ncols;
|
|
|
1544 }
|
|
|
1545 return make_int ((int) ncols);
|
|
428
|
1546 }
|
|
438
|
1547
|
|
428
|
1548 return Qnil;
|
|
|
1549 }
|
|
|
1550
|
|
|
1551 DEFUN ("set-window-hscroll", Fset_window_hscroll, 2, 2, 0, /*
|
|
|
1552 Set number of columns WINDOW is scrolled from left margin to NCOL.
|
|
|
1553 NCOL should be zero or positive.
|
|
|
1554 */
|
|
|
1555 (window, ncol))
|
|
|
1556 {
|
|
|
1557 struct window *w;
|
|
|
1558 int ncols;
|
|
|
1559
|
|
|
1560 CHECK_INT (ncol);
|
|
|
1561 ncols = XINT (ncol);
|
|
|
1562 if (ncols < 0) ncols = 0;
|
|
|
1563 w = decode_window (window);
|
|
|
1564 if (w->hscroll != ncols)
|
|
|
1565 MARK_CLIP_CHANGED; /* FSF marks differently but we aren't FSF. */
|
|
|
1566 w->hscroll = ncols;
|
|
|
1567 return ncol;
|
|
|
1568 }
|
|
|
1569
|
|
|
1570 #if 0 /* bogus FSF crock */
|
|
|
1571
|
|
|
1572 xxDEFUN ("window-redisplay-end-trigger",
|
|
|
1573 Fwindow_redisplay_end_trigger, 0, 1, 0, /*
|
|
|
1574 Return WINDOW's redisplay end trigger value.
|
|
|
1575 See `set-window-redisplay-end-trigger' for more information.
|
|
|
1576 */
|
|
|
1577 (window))
|
|
|
1578 {
|
|
|
1579 return decode_window (window)->redisplay_end_trigger;
|
|
|
1580 }
|
|
|
1581
|
|
|
1582 xxDEFUN ("set-window-redisplay-end-trigger",
|
|
|
1583 Fset_window_redisplay_end_trigger, 2, 2, 0, /*
|
|
|
1584 Set WINDOW's redisplay end trigger value to VALUE.
|
|
|
1585 VALUE should be a buffer position (typically a marker) or nil.
|
|
|
1586 If it is a buffer position, then if redisplay in WINDOW reaches a position
|
|
|
1587 beyond VALUE, the functions in `redisplay-end-trigger-functions' are called
|
|
|
1588 with two arguments: WINDOW, and the end trigger value.
|
|
|
1589 Afterwards the end-trigger value is reset to nil.
|
|
|
1590 */
|
|
|
1591 (window, value))
|
|
|
1592 {
|
|
|
1593 return (decode_window (window)->redisplay_end_trigger = value);
|
|
|
1594 }
|
|
|
1595
|
|
|
1596 #endif /* 0 */
|
|
|
1597
|
|
|
1598 DEFUN ("window-pixel-edges", Fwindow_pixel_edges, 0, 1, 0, /*
|
|
|
1599 Return a list of the pixel edge coordinates of WINDOW.
|
|
444
|
1600 The returned list is of the form (LEFT TOP RIGHT BOTTOM),
|
|
|
1601 all relative to 0, 0 at the top left corner of WINDOW's frame.
|
|
|
1602 The frame toolbars, menubars and gutters are considered to be outside
|
|
|
1603 of this area, while the scrollbars are considered to be inside.
|
|
428
|
1604 */
|
|
|
1605 (window))
|
|
|
1606 {
|
|
|
1607 struct window *w = decode_window (window);
|
|
|
1608 struct frame *f = XFRAME (w->frame);
|
|
|
1609
|
|
442
|
1610 int left =
|
|
|
1611 w->pixel_left - FRAME_LEFT_BORDER_END (f) - FRAME_LEFT_GUTTER_BOUNDS (f);
|
|
|
1612 int top =
|
|
|
1613 w->pixel_top - FRAME_TOP_BORDER_END (f) - FRAME_TOP_GUTTER_BOUNDS (f);
|
|
428
|
1614
|
|
|
1615 return list4 (make_int (left),
|
|
|
1616 make_int (top),
|
|
|
1617 make_int (left + w->pixel_width),
|
|
|
1618 make_int (top + w->pixel_height));
|
|
|
1619 }
|
|
|
1620
|
|
|
1621 DEFUN ("window-text-area-pixel-edges",
|
|
|
1622 Fwindow_text_area_pixel_edges, 0, 1, 0, /*
|
|
|
1623 Return a list of the pixel edge coordinates of the text area of WINDOW.
|
|
444
|
1624 The returned list is of the form (LEFT TOP RIGHT BOTTOM),
|
|
|
1625 all relative to 0, 0 at the top left corner of the total area allocated
|
|
|
1626 to the window, which includes the scrollbars.
|
|
428
|
1627 */
|
|
|
1628 (window))
|
|
|
1629 {
|
|
|
1630 struct window *w = decode_window (window);
|
|
|
1631
|
|
|
1632 int left = window_left_gutter_width (w, /* modeline = */ 0);
|
|
|
1633 int top = window_top_gutter_height (w);
|
|
|
1634 int right = WINDOW_WIDTH (w) - window_right_gutter_width (w, 0);
|
|
|
1635 int bottom = WINDOW_HEIGHT (w) - window_bottom_gutter_height (w);
|
|
|
1636
|
|
|
1637 return list4 (make_int (left),
|
|
|
1638 make_int (top),
|
|
|
1639 make_int (right),
|
|
|
1640 make_int (bottom));
|
|
|
1641 }
|
|
|
1642
|
|
|
1643 DEFUN ("window-point", Fwindow_point, 0, 1, 0, /*
|
|
|
1644 Return current value of point in WINDOW.
|
|
442
|
1645 For a non-selected window, this is the value point would have
|
|
428
|
1646 if that window were selected.
|
|
|
1647
|
|
|
1648 Note that, when WINDOW is the selected window and its buffer
|
|
|
1649 is also currently selected, the value returned is the same as (point).
|
|
|
1650 It would be more strictly correct to return the `top-level' value
|
|
|
1651 of point, outside of any save-excursion forms.
|
|
444
|
1652 But that value is hard to find.
|
|
428
|
1653 */
|
|
|
1654 (window))
|
|
|
1655 {
|
|
|
1656 struct window *w = decode_window (window);
|
|
|
1657
|
|
|
1658 /* The special check for current buffer is necessary for this
|
|
|
1659 function to work as defined when called within an excursion. */
|
|
|
1660 if (w == XWINDOW (Fselected_window (XFRAME (w->frame)->device))
|
|
|
1661 && current_buffer == XBUFFER (w->buffer))
|
|
|
1662 return Fpoint (Qnil);
|
|
|
1663 return Fmarker_position (w->pointm[CURRENT_DISP]);
|
|
|
1664 }
|
|
|
1665
|
|
|
1666 DEFUN ("window-start", Fwindow_start, 0, 1, 0, /*
|
|
|
1667 Return position at which display currently starts in WINDOW.
|
|
|
1668 This is updated by redisplay or by calling `set-window-start'.
|
|
|
1669 */
|
|
|
1670 (window))
|
|
|
1671 {
|
|
|
1672 return Fmarker_position (decode_window (window)->start[CURRENT_DISP]);
|
|
|
1673 }
|
|
|
1674
|
|
|
1675 DEFUN ("window-end", Fwindow_end, 0, 2, 0, /*
|
|
|
1676 Return position at which display currently ends in WINDOW.
|
|
|
1677 This is updated by redisplay, when it runs to completion.
|
|
444
|
1678 Simply changing the buffer text or setting `window-start' does not
|
|
|
1679 update this value. WINDOW defaults to the selected window.
|
|
|
1680
|
|
|
1681 If optional arg GUARANTEE is non-nil, the return value is guaranteed
|
|
|
1682 to be the same value as this function would return at the end of the
|
|
|
1683 next full redisplay assuming nothing else changes in the meantime.
|
|
|
1684 This function is potentially much slower with this flag set.
|
|
428
|
1685 */
|
|
|
1686 (window, guarantee))
|
|
|
1687 {
|
|
|
1688 struct window *w = decode_window (window);
|
|
|
1689
|
|
|
1690 if (NILP (guarantee))
|
|
|
1691 {
|
|
|
1692 Lisp_Object buf;
|
|
|
1693 buf = w->buffer;
|
|
|
1694 CHECK_BUFFER (buf);
|
|
|
1695 return make_int (BUF_Z (XBUFFER (buf)) - w->window_end_pos[CURRENT_DISP]);
|
|
|
1696 }
|
|
|
1697 else
|
|
|
1698 {
|
|
|
1699 Bufpos startp = marker_position (w->start[CURRENT_DISP]);
|
|
|
1700 return make_int (end_of_last_line (w, startp));
|
|
|
1701 }
|
|
|
1702 }
|
|
|
1703
|
|
442
|
1704 DEFUN ("window-last-line-visible-height", Fwindow_last_line_visible_height, 0, 1, 0, /*
|
|
|
1705 Return pixel height of visible part of last window line if it is clipped.
|
|
|
1706 If the last line is not clipped, return nil.
|
|
|
1707 */
|
|
|
1708 (window))
|
|
|
1709 {
|
|
|
1710 struct window *w = decode_window (window);
|
|
|
1711 display_line_dynarr *dla = window_display_lines (w, CURRENT_DISP);
|
|
|
1712 int num_lines = Dynarr_length (dla);
|
|
|
1713 struct display_line *dl;
|
|
|
1714
|
|
|
1715 /* No lines - no clipped lines */
|
|
|
1716 if (num_lines == 0 || (num_lines == 1 && Dynarr_atp (dla, 0)->modeline))
|
|
|
1717 return Qnil;
|
|
|
1718
|
|
|
1719 dl = Dynarr_atp (dla, num_lines - 1);
|
|
|
1720 if (dl->clip == 0)
|
|
|
1721 return Qnil;
|
|
|
1722
|
|
|
1723 return make_int (dl->ascent + dl->descent - dl->clip);
|
|
|
1724 }
|
|
|
1725
|
|
428
|
1726 DEFUN ("set-window-point", Fset_window_point, 2, 2, 0, /*
|
|
|
1727 Make point value in WINDOW be at position POS in WINDOW's buffer.
|
|
|
1728 */
|
|
|
1729 (window, pos))
|
|
|
1730 {
|
|
|
1731 struct window *w = decode_window (window);
|
|
|
1732
|
|
|
1733 CHECK_INT_COERCE_MARKER (pos);
|
|
|
1734 if (w == XWINDOW (Fselected_window (Qnil)))
|
|
|
1735 Fgoto_char (pos, Qnil);
|
|
|
1736 else
|
|
|
1737 set_marker_restricted (w->pointm[CURRENT_DISP], pos, w->buffer);
|
|
|
1738
|
|
|
1739 MARK_POINT_CHANGED;
|
|
|
1740 return pos;
|
|
|
1741 }
|
|
|
1742
|
|
|
1743 DEFUN ("set-window-start", Fset_window_start, 2, 3, 0, /*
|
|
|
1744 Make display in WINDOW start at position POS in WINDOW's buffer.
|
|
|
1745 Optional third arg NOFORCE non-nil inhibits next redisplay
|
|
|
1746 from overriding motion of point in order to display at this exact start.
|
|
|
1747 */
|
|
|
1748 (window, pos, noforce))
|
|
|
1749 {
|
|
|
1750 struct window *w = decode_window (window);
|
|
|
1751
|
|
|
1752 CHECK_INT_COERCE_MARKER (pos);
|
|
|
1753 set_marker_restricted (w->start[CURRENT_DISP], pos, w->buffer);
|
|
|
1754 /* this is not right, but much easier than doing what is right. */
|
|
|
1755 /* w->start_at_line_beg = 0; */
|
|
|
1756 /* WTF is the above supposed to mean? GE */
|
|
|
1757 w->start_at_line_beg = beginning_of_line_p (XBUFFER (w->buffer),
|
|
|
1758 marker_position (w->start[CURRENT_DISP]));
|
|
|
1759 if (NILP (noforce))
|
|
|
1760 w->force_start = 1;
|
|
|
1761 w->redo_modeline = 1;
|
|
|
1762 SET_LAST_MODIFIED (w, 0);
|
|
|
1763 SET_LAST_FACECHANGE (w);
|
|
|
1764
|
|
|
1765 MARK_WINDOWS_CHANGED (w);
|
|
|
1766
|
|
|
1767 return pos;
|
|
|
1768 }
|
|
|
1769
|
|
|
1770 DEFUN ("window-dedicated-p", Fwindow_dedicated_p, 1, 1, 0, /*
|
|
|
1771 Return WINDOW's dedicated object, usually t or nil.
|
|
|
1772 See also `set-window-dedicated-p'.
|
|
|
1773 */
|
|
|
1774 (window))
|
|
|
1775 {
|
|
|
1776 return decode_window (window)->dedicated;
|
|
|
1777 }
|
|
|
1778
|
|
|
1779 DEFUN ("set-window-dedicated-p", Fset_window_dedicated_p, 2, 2, 0, /*
|
|
|
1780 Control whether WINDOW is dedicated to the buffer it displays.
|
|
|
1781 If it is dedicated, Emacs will not automatically change
|
|
|
1782 which buffer appears in it.
|
|
|
1783 The second argument is the new value for the dedication flag;
|
|
|
1784 non-nil means yes.
|
|
|
1785 */
|
|
|
1786 (window, arg))
|
|
|
1787 {
|
|
|
1788 struct window *w = decode_window (window);
|
|
|
1789
|
|
|
1790 w->dedicated = NILP (arg) ? Qnil : Qt;
|
|
|
1791
|
|
|
1792 return w->dedicated;
|
|
|
1793 }
|
|
|
1794
|
|
|
1795 /* FSFmacs has window-display-table here. We have display table as a
|
|
|
1796 specifier. */
|
|
|
1797
|
|
|
1798
|
|
|
1799 /* Record info on buffer window w is displaying
|
|
|
1800 when it is about to cease to display that buffer. */
|
|
|
1801 static void
|
|
|
1802 unshow_buffer (struct window *w)
|
|
|
1803 {
|
|
|
1804 Lisp_Object buf = w->buffer;
|
|
|
1805
|
|
|
1806 if (XBUFFER (buf) != XMARKER (w->pointm[CURRENT_DISP])->buffer)
|
|
|
1807 abort ();
|
|
|
1808
|
|
|
1809 /* FSF disables this check, so I'll do it too. I hope it won't
|
|
|
1810 break things. --ben */
|
|
|
1811 #if 0
|
|
|
1812 if (w == XWINDOW (Fselected_window (Qnil))
|
|
|
1813 || ! EQ (buf, XWINDOW (Fselected_window (Qnil))->buffer))
|
|
|
1814 /* Do this except when the selected window's buffer
|
|
|
1815 is being removed from some other window. */
|
|
|
1816 #endif
|
|
|
1817 /* last_window_start records the start position that this buffer
|
|
|
1818 had in the last window to be disconnected from it.
|
|
|
1819 Now that this statement is unconditional,
|
|
|
1820 it is possible for the buffer to be displayed in the
|
|
|
1821 selected window, while last_window_start reflects another
|
|
|
1822 window which was recently showing the same buffer.
|
|
|
1823 Some people might say that might be a good thing. Let's see. */
|
|
|
1824 XBUFFER (buf)->last_window_start =
|
|
|
1825 marker_position (w->start[CURRENT_DISP]);
|
|
|
1826
|
|
|
1827 /* Point in the selected window's buffer
|
|
|
1828 is actually stored in that buffer, and the window's pointm isn't used.
|
|
|
1829 So don't clobber point in that buffer. */
|
|
|
1830 if (! EQ (buf, XWINDOW (Fselected_window (Qnil))->buffer))
|
|
|
1831 {
|
|
|
1832 struct buffer *b= XBUFFER (buf);
|
|
|
1833 BUF_SET_PT (b, bufpos_clip_to_bounds (BUF_BEGV (b),
|
|
|
1834 marker_position (w->pointm[CURRENT_DISP]),
|
|
|
1835 BUF_ZV (b)));
|
|
|
1836 }
|
|
|
1837 }
|
|
|
1838
|
|
|
1839 /* Put REPLACEMENT into the window structure in place of OLD. */
|
|
|
1840 static void
|
|
|
1841 replace_window (Lisp_Object old, Lisp_Object replacement)
|
|
|
1842 {
|
|
|
1843 Lisp_Object tem;
|
|
|
1844 struct window *o = XWINDOW (old), *p = XWINDOW (replacement);
|
|
|
1845
|
|
|
1846 /* If OLD is its frame's root_window, then replacement is the new
|
|
|
1847 root_window for that frame. */
|
|
|
1848
|
|
|
1849 if (EQ (old, FRAME_ROOT_WINDOW (XFRAME (o->frame))))
|
|
|
1850 FRAME_ROOT_WINDOW (XFRAME (o->frame)) = replacement;
|
|
|
1851
|
|
|
1852 WINDOW_LEFT (p) = WINDOW_LEFT (o);
|
|
|
1853 WINDOW_TOP (p) = WINDOW_TOP (o);
|
|
|
1854 WINDOW_WIDTH (p) = WINDOW_WIDTH (o);
|
|
|
1855 WINDOW_HEIGHT (p) = WINDOW_HEIGHT (o);
|
|
|
1856
|
|
|
1857 p->next = tem = o->next;
|
|
|
1858 if (!NILP (tem))
|
|
|
1859 XWINDOW (tem)->prev = replacement;
|
|
|
1860
|
|
|
1861 p->prev = tem = o->prev;
|
|
|
1862 if (!NILP (tem))
|
|
|
1863 XWINDOW (tem)->next = replacement;
|
|
|
1864
|
|
|
1865 p->parent = tem = o->parent;
|
|
|
1866 if (!NILP (tem))
|
|
|
1867 {
|
|
|
1868 if (EQ (XWINDOW (tem)->vchild, old))
|
|
|
1869 XWINDOW (tem)->vchild = replacement;
|
|
|
1870 if (EQ (XWINDOW (tem)->hchild, old))
|
|
|
1871 XWINDOW (tem)->hchild = replacement;
|
|
|
1872 }
|
|
|
1873
|
|
|
1874 /* #### Here, if replacement is a vertical combination
|
|
|
1875 and so is its new parent, we should make replacement's
|
|
|
1876 children be children of that parent instead. */
|
|
442
|
1877
|
|
|
1878 ERROR_CHECK_SUBWINDOW_CACHE (p);
|
|
|
1879 }
|
|
|
1880
|
|
|
1881 static void
|
|
|
1882 window_unmap_subwindows (struct window* w)
|
|
|
1883 {
|
|
|
1884 assert (!NILP (w->subwindow_instance_cache));
|
|
|
1885 elisp_maphash (unmap_subwindow_instance_cache_mapper,
|
|
|
1886 w->subwindow_instance_cache, (void*)1);
|
|
428
|
1887 }
|
|
|
1888
|
|
|
1889 /* we're deleting W; set the structure of W to indicate this. */
|
|
|
1890
|
|
|
1891 static void
|
|
|
1892 mark_window_as_deleted (struct window *w)
|
|
|
1893 {
|
|
442
|
1894 /* The window instance cache is going away now, so need to get the
|
|
|
1895 cachels reset by redisplay. */
|
|
|
1896 MARK_FRAME_SUBWINDOWS_CHANGED (XFRAME (WINDOW_FRAME (w)));
|
|
|
1897
|
|
|
1898 /* The cache is going away. If we leave unmapping to
|
|
|
1899 reset_subwindow_cachels then we get in a situation where the
|
|
|
1900 domain (the window) has been deleted but we still need access to
|
|
|
1901 its attributes in order to unmap windows properly. Since the
|
|
|
1902 subwindows are going to get GC'd anyway as a result of the domain
|
|
|
1903 going away, it is safer to just unmap them all while we know the
|
|
|
1904 domain is still valid. */
|
|
|
1905 ERROR_CHECK_SUBWINDOW_CACHE (w);
|
|
|
1906 window_unmap_subwindows (w);
|
|
|
1907
|
|
428
|
1908 /* In the loop
|
|
|
1909 (while t (split-window) (delete-window))
|
|
|
1910 we end up with a tree of deleted windows which are all connected
|
|
|
1911 through the `next' slot. This might not seem so bad, as they're
|
|
|
1912 deleted, and will presumably be GCed - but if even *one* of those
|
|
|
1913 windows is still being pointed to, by the user, or by a window
|
|
|
1914 configuration, then *all* of those windows stick around.
|
|
|
1915
|
|
|
1916 Since the window-configuration code doesn't need any of the
|
|
|
1917 pointers to other windows (they are all recreated from the
|
|
|
1918 window-config data), we set them all to nil so that we
|
|
442
|
1919 are able to collect more actual garbage. */
|
|
428
|
1920 w->next = Qnil;
|
|
|
1921 w->prev = Qnil;
|
|
|
1922 w->hchild = Qnil;
|
|
|
1923 w->vchild = Qnil;
|
|
|
1924 w->parent = Qnil;
|
|
442
|
1925 w->subwindow_instance_cache = Qnil;
|
|
428
|
1926
|
|
|
1927 w->dead = 1;
|
|
|
1928
|
|
|
1929 /* Free the extra data structures attached to windows immediately so
|
|
|
1930 they don't sit around consuming excess space. They will be
|
|
|
1931 reinitialized by the window-configuration code as necessary. */
|
|
|
1932 finalize_window ((void *) w, 0);
|
|
|
1933 }
|
|
|
1934
|
|
|
1935 DEFUN ("delete-window", Fdelete_window, 0, 2, "", /*
|
|
|
1936 Remove WINDOW from the display. Default is selected window.
|
|
444
|
1937 If window is the only one on its frame, the frame is deleted as well.
|
|
428
|
1938 Normally, you cannot delete the last non-minibuffer-only frame (you must
|
|
|
1939 use `save-buffers-kill-emacs' or `kill-emacs'). However, if optional
|
|
|
1940 second argument FORCE is non-nil, you can delete the last frame. (This
|
|
|
1941 will automatically call `save-buffers-kill-emacs'.)
|
|
|
1942 */
|
|
|
1943 (window, force))
|
|
|
1944 {
|
|
|
1945 /* This function can GC if this is the only window in the frame */
|
|
|
1946 struct window *w;
|
|
|
1947 Lisp_Object parent;
|
|
|
1948 struct window *par;
|
|
|
1949 Lisp_Object frame;
|
|
|
1950 struct frame *f;
|
|
|
1951 struct device *d;
|
|
|
1952
|
|
|
1953 /* Note: this function is called by other C code on non-leaf
|
|
|
1954 windows. */
|
|
|
1955
|
|
|
1956 /* Do the equivalent of decode_window() but don't error out on
|
|
|
1957 deleted window; it's OK to delete an already-deleted window. */
|
|
|
1958 if (NILP (window))
|
|
|
1959 window = Fselected_window (Qnil);
|
|
|
1960 else
|
|
|
1961 CHECK_WINDOW (window);
|
|
442
|
1962
|
|
428
|
1963 w = XWINDOW (window);
|
|
|
1964
|
|
|
1965 /* It's okay to delete an already-deleted window. */
|
|
|
1966 if (! WINDOW_LIVE_P (w))
|
|
|
1967 return Qnil;
|
|
|
1968
|
|
|
1969 frame = WINDOW_FRAME (w);
|
|
|
1970 f = XFRAME (frame);
|
|
|
1971 d = XDEVICE (FRAME_DEVICE (f));
|
|
|
1972
|
|
|
1973 if (TOP_LEVEL_WINDOW_P (w))
|
|
|
1974 {
|
|
|
1975 if (NILP (memq_no_quit (frame, DEVICE_FRAME_LIST (d))))
|
|
|
1976 /* this frame isn't fully initialized yet; don't blow up. */
|
|
|
1977 return Qnil;
|
|
|
1978
|
|
|
1979 if (MINI_WINDOW_P (XWINDOW (window)))
|
|
|
1980 error ("Attempt to delete the minibuffer window");
|
|
|
1981
|
|
|
1982 /* It has been suggested that it's a good thing for C-x 0 to have this
|
|
|
1983 behavior, but not such a good idea for #'delete-window to have it.
|
|
|
1984 Maybe C-x 0 should be bound to something else, or maybe frame
|
|
|
1985 deletion should only happen when this is called interactively.
|
|
|
1986 */
|
|
|
1987 delete_frame_internal (f, !NILP (force), 0, 0);
|
|
|
1988 return Qnil;
|
|
|
1989 }
|
|
|
1990
|
|
|
1991 /* At this point, we know the window has a parent. */
|
|
|
1992 parent = w->parent;
|
|
|
1993 par = XWINDOW (parent);
|
|
|
1994
|
|
|
1995 MARK_FRAME_WINDOWS_STRUCTURE_CHANGED (f);
|
|
430
|
1996 /* It's quite likely that deleting a window will result in
|
|
|
1997 subwindows needing to be deleted also (since they are cached
|
|
|
1998 per-window). So we mark them as changed, so that the cachels will
|
|
|
1999 get reset by redisplay and thus deleted subwindows can get
|
|
|
2000 GC'd. */
|
|
|
2001 MARK_FRAME_SUBWINDOWS_CHANGED (f);
|
|
428
|
2002
|
|
|
2003 /* Are we trying to delete any frame's selected window?
|
|
|
2004 Note that we could be dealing with a non-leaf window
|
|
|
2005 where the selected window is one of our children.
|
|
|
2006 So, we check by scanning all the ancestors of the
|
|
|
2007 frame's selected window and comparing each one with
|
|
|
2008 WINDOW. */
|
|
|
2009 {
|
|
|
2010 Lisp_Object pwindow;
|
|
|
2011
|
|
|
2012 pwindow = FRAME_SELECTED_WINDOW (f);
|
|
|
2013
|
|
|
2014 while (!NILP (pwindow))
|
|
|
2015 {
|
|
|
2016 if (EQ (window, pwindow))
|
|
|
2017 break;
|
|
|
2018 pwindow = XWINDOW (pwindow)->parent;
|
|
|
2019 }
|
|
|
2020
|
|
|
2021 if (EQ (window, pwindow))
|
|
|
2022 {
|
|
|
2023 /* OK, we found it. */
|
|
|
2024 Lisp_Object alternative;
|
|
|
2025 alternative = Fnext_window (window, Qlambda, Qnil, Qnil);
|
|
|
2026
|
|
|
2027 /* If we're about to delete the selected window on the
|
|
|
2028 selected frame, then we should use Fselect_window to select
|
|
|
2029 the new window. On the other hand, if we're about to
|
|
|
2030 delete the selected window on any other frame, we shouldn't do
|
|
|
2031 anything but set the frame's selected_window slot. */
|
|
|
2032 if (EQ (frame, Fselected_frame (Qnil)))
|
|
|
2033 Fselect_window (alternative, Qnil);
|
|
|
2034 else
|
|
|
2035 set_frame_selected_window (f, alternative);
|
|
|
2036 }
|
|
|
2037 }
|
|
|
2038
|
|
|
2039 /* w->buffer is nil in a non-leaf window; in this case,
|
|
|
2040 get rid of the markers we maintain that point into that buffer. */
|
|
|
2041 if (!NILP (w->buffer))
|
|
|
2042 {
|
|
|
2043 unshow_buffer (w);
|
|
|
2044 unchain_marker (w->pointm[CURRENT_DISP]);
|
|
|
2045 unchain_marker (w->pointm[DESIRED_DISP]);
|
|
|
2046 unchain_marker (w->pointm[CMOTION_DISP]);
|
|
|
2047 unchain_marker (w->start[CURRENT_DISP]);
|
|
|
2048 unchain_marker (w->start[DESIRED_DISP]);
|
|
|
2049 unchain_marker (w->start[CMOTION_DISP]);
|
|
|
2050 unchain_marker (w->sb_point);
|
|
|
2051 /* This breaks set-window-configuration if windows in the saved
|
|
|
2052 configuration get deleted and multiple frames are in use. */
|
|
|
2053 /* w->buffer = Qnil; */
|
|
|
2054 }
|
|
|
2055
|
|
|
2056 /* close up the hole in the sibling list */
|
|
|
2057 if (!NILP (w->next))
|
|
|
2058 XWINDOW (w->next)->prev = w->prev;
|
|
|
2059 if (!NILP (w->prev))
|
|
|
2060 XWINDOW (w->prev)->next = w->next;
|
|
|
2061 if (EQ (window, par->hchild))
|
|
|
2062 par->hchild = w->next;
|
|
|
2063 if (EQ (window, par->vchild))
|
|
|
2064 par->vchild = w->next;
|
|
|
2065
|
|
|
2066 /* Find one of our siblings to give our space to. */
|
|
|
2067 {
|
|
|
2068 Lisp_Object sib = w->prev;
|
|
|
2069 if (NILP (sib))
|
|
|
2070 {
|
|
|
2071 /* If w gives its space to its next sibling, that sibling needs
|
|
|
2072 to have its top/left side pulled back to where w's is.
|
|
|
2073 set_window_{height,width} will re-position the sibling's
|
|
|
2074 children. */
|
|
|
2075 sib = w->next;
|
|
|
2076 WINDOW_TOP (XWINDOW (sib)) = WINDOW_TOP (w);
|
|
|
2077 WINDOW_LEFT (XWINDOW (sib)) = WINDOW_LEFT (w);
|
|
|
2078 }
|
|
|
2079
|
|
|
2080 /* Stretch that sibling. */
|
|
|
2081 if (!NILP (par->vchild))
|
|
|
2082 set_window_pixheight
|
|
|
2083 (sib, (WINDOW_HEIGHT (XWINDOW (sib)) + WINDOW_HEIGHT (w)), 1);
|
|
|
2084 if (!NILP (par->hchild))
|
|
|
2085 set_window_pixwidth
|
|
|
2086 (sib, (WINDOW_WIDTH (XWINDOW (sib)) + WINDOW_WIDTH (w)), 1);
|
|
|
2087 }
|
|
|
2088
|
|
|
2089 /* If parent now has only one child,
|
|
|
2090 put the child into the parent's place. */
|
|
|
2091 {
|
|
|
2092 Lisp_Object parchild = par->hchild;
|
|
|
2093 if (NILP (parchild))
|
|
|
2094 parchild = par->vchild;
|
|
|
2095 if (NILP (XWINDOW (parchild)->next))
|
|
|
2096 {
|
|
|
2097 replace_window (parent, parchild);
|
|
|
2098 mark_window_as_deleted (XWINDOW (parent));
|
|
|
2099 }
|
|
|
2100 }
|
|
|
2101
|
|
|
2102 /* Since we may be deleting combination windows, we must make sure that
|
|
|
2103 not only W but all its children have been marked as deleted. */
|
|
|
2104 if (!NILP (w->hchild))
|
|
|
2105 delete_all_subwindows (XWINDOW (w->hchild));
|
|
|
2106 else if (!NILP (w->vchild))
|
|
|
2107 delete_all_subwindows (XWINDOW (w->vchild));
|
|
|
2108
|
|
|
2109 mark_window_as_deleted (w);
|
|
|
2110
|
|
|
2111 f->mirror_dirty = 1;
|
|
|
2112 return Qnil;
|
|
|
2113 }
|
|
|
2114
|
|
|
2115
|
|
|
2116 DEFUN ("next-window", Fnext_window, 0, 4, 0, /*
|
|
442
|
2117 Return the next window after WINDOW in the canonical ordering of windows.
|
|
428
|
2118 If omitted, WINDOW defaults to the selected window.
|
|
|
2119
|
|
|
2120 Optional second arg MINIBUF t means count the minibuffer window even
|
|
|
2121 if not active. MINIBUF nil or omitted means count the minibuffer iff
|
|
|
2122 it is active. MINIBUF neither t nor nil means not to count the
|
|
|
2123 minibuffer even if it is active.
|
|
|
2124
|
|
|
2125 Several frames may share a single minibuffer; if the minibuffer
|
|
|
2126 counts, all windows on all frames that share that minibuffer count
|
|
|
2127 too. Therefore, `next-window' can be used to iterate through the
|
|
|
2128 set of windows even when the minibuffer is on another frame. If the
|
|
|
2129 minibuffer does not count, only windows from WINDOW's frame count.
|
|
|
2130
|
|
444
|
2131 By default, only the windows in the selected frame are considered.
|
|
|
2132 The optional argument WHICH-FRAMES changes this behavior:
|
|
|
2133 WHICH-FRAMES = `visible' means search windows on all visible frames.
|
|
448
|
2134 WHICH-FRAMES = 0 means search windows on all visible and iconified frames.
|
|
444
|
2135 WHICH-FRAMES = t means search windows on all frames including invisible frames.
|
|
|
2136 WHICH-FRAMES = a frame means search only windows on that frame.
|
|
|
2137 Anything else means restrict to the selected frame.
|
|
|
2138
|
|
|
2139 The optional fourth argument WHICH-DEVICES further clarifies on which
|
|
|
2140 devices to search for frames as specified by WHICH-FRAMES. This value
|
|
|
2141 is only meaningful if WHICH-FRAMES is non-nil.
|
|
|
2142 If nil or omitted, search all devices on the selected console.
|
|
|
2143 If a device, only search that device.
|
|
|
2144 If a console, search all devices on that console.
|
|
|
2145 If a device type, search all devices of that type.
|
|
|
2146 If `window-system', search all window-system devices.
|
|
|
2147 Any other non-nil value means search all devices.
|
|
|
2148
|
|
|
2149 If you use consistent values for MINIBUF, WHICH-FRAMES, and WHICH-DEVICES,
|
|
|
2150 you can use `next-window' to iterate through the entire cycle of
|
|
|
2151 acceptable windows, eventually ending up back at the window you started with.
|
|
428
|
2152 `previous-window' traverses the same cycle, in the reverse order.
|
|
|
2153 */
|
|
444
|
2154 (window, minibuf, which_frames, which_devices))
|
|
428
|
2155 {
|
|
|
2156 Lisp_Object tem;
|
|
|
2157 Lisp_Object start_window;
|
|
|
2158
|
|
|
2159 if (NILP (window))
|
|
|
2160 window = Fselected_window (Qnil);
|
|
|
2161 else
|
|
|
2162 CHECK_LIVE_WINDOW (window);
|
|
|
2163
|
|
|
2164 start_window = window;
|
|
|
2165
|
|
|
2166 /* minibuf == nil may or may not include minibuffers.
|
|
|
2167 Decide if it does. */
|
|
|
2168 if (NILP (minibuf))
|
|
|
2169 minibuf = (minibuf_level ? minibuf_window : Qlambda);
|
|
|
2170 else if (! EQ (minibuf, Qt))
|
|
|
2171 minibuf = Qlambda;
|
|
442
|
2172 /* Now `minibuf' is one of:
|
|
|
2173 t => count all minibuffer windows
|
|
|
2174 lambda => count none of them
|
|
428
|
2175 or a specific minibuffer window (the active one) to count. */
|
|
|
2176
|
|
444
|
2177 /* which_frames == nil doesn't specify which frames to include. */
|
|
|
2178 if (NILP (which_frames))
|
|
|
2179 which_frames = (! EQ (minibuf, Qlambda)
|
|
428
|
2180 ? (FRAME_MINIBUF_WINDOW
|
|
|
2181 (XFRAME
|
|
|
2182 (WINDOW_FRAME
|
|
|
2183 (XWINDOW (window)))))
|
|
|
2184 : Qnil);
|
|
444
|
2185 else if (EQ (which_frames, Qvisible))
|
|
428
|
2186 ;
|
|
444
|
2187 else if (ZEROP (which_frames))
|
|
428
|
2188 ;
|
|
444
|
2189 else if (FRAMEP (which_frames) && ! EQ (which_frames, Fwindow_frame (window)))
|
|
|
2190 /* If which_frames is a frame and window arg isn't on that frame, just
|
|
428
|
2191 return the first window on the frame. */
|
|
444
|
2192 return frame_first_window (XFRAME (which_frames));
|
|
|
2193 else if (! EQ (which_frames, Qt))
|
|
|
2194 which_frames = Qnil;
|
|
|
2195 /* Now `which_frames' is one of:
|
|
442
|
2196 t => search all frames
|
|
|
2197 nil => search just the current frame
|
|
|
2198 visible => search just visible frames
|
|
|
2199 0 => search visible and iconified frames
|
|
|
2200 a window => search the frame that window belongs to. */
|
|
428
|
2201
|
|
|
2202 /* Do this loop at least once, to get the next window, and perhaps
|
|
|
2203 again, if we hit the minibuffer and that is not acceptable. */
|
|
|
2204 do
|
|
|
2205 {
|
|
|
2206 /* Find a window that actually has a next one. This loop
|
|
|
2207 climbs up the tree. */
|
|
|
2208 while (tem = XWINDOW (window)->next, NILP (tem))
|
|
|
2209 if (tem = XWINDOW (window)->parent, !NILP (tem))
|
|
|
2210 window = tem;
|
|
|
2211 else /* window must be minibuffer window now */
|
|
|
2212 {
|
|
|
2213 /* We've reached the end of this frame.
|
|
|
2214 Which other frames are acceptable? */
|
|
|
2215 tem = WINDOW_FRAME (XWINDOW (window));
|
|
|
2216
|
|
444
|
2217 if (! NILP (which_frames))
|
|
428
|
2218 {
|
|
442
|
2219 Lisp_Object tem1 = tem;
|
|
444
|
2220 tem = next_frame (tem, which_frames, which_devices);
|
|
442
|
2221
|
|
428
|
2222 /* In the case where the minibuffer is active,
|
|
|
2223 and we include its frame as well as the selected one,
|
|
|
2224 next_frame may get stuck in that frame.
|
|
|
2225 If that happens, go back to the selected frame
|
|
|
2226 so we can complete the cycle. */
|
|
|
2227 if (EQ (tem, tem1))
|
|
|
2228 XSETFRAME (tem, selected_frame ());
|
|
|
2229 }
|
|
|
2230
|
|
|
2231 tem = FRAME_ROOT_WINDOW (XFRAME (tem));
|
|
|
2232 break;
|
|
|
2233 }
|
|
|
2234
|
|
|
2235 window = tem;
|
|
|
2236
|
|
|
2237 /* If we're in a combination window, find its first child and
|
|
|
2238 recurse on that. Otherwise, we've found the window we want. */
|
|
|
2239 while (1)
|
|
|
2240 {
|
|
|
2241 if (!NILP (XWINDOW (window)->hchild))
|
|
|
2242 window = XWINDOW (window)->hchild;
|
|
|
2243 else if (!NILP (XWINDOW (window)->vchild))
|
|
|
2244 window = XWINDOW (window)->vchild;
|
|
|
2245 else break;
|
|
|
2246 }
|
|
|
2247 }
|
|
|
2248 /* Which windows are acceptable?
|
|
|
2249 Exit the loop and accept this window if
|
|
|
2250 this isn't a minibuffer window,
|
|
|
2251 or we're accepting all minibuffer windows,
|
|
|
2252 or this is the active minibuffer and we are accepting that one, or
|
|
|
2253 we've come all the way around and we're back at the original window. */
|
|
|
2254 while (MINI_WINDOW_P (XWINDOW (window))
|
|
|
2255 && ! EQ (minibuf, Qt)
|
|
|
2256 && ! EQ (minibuf, window)
|
|
|
2257 && ! EQ (window, start_window));
|
|
|
2258
|
|
|
2259 return window;
|
|
|
2260 }
|
|
|
2261
|
|
|
2262 DEFUN ("previous-window", Fprevious_window, 0, 4, 0, /*
|
|
442
|
2263 Return the window preceding WINDOW in the canonical ordering of windows.
|
|
428
|
2264 If omitted, WINDOW defaults to the selected window.
|
|
|
2265
|
|
|
2266 Optional second arg MINIBUF t means count the minibuffer window even
|
|
|
2267 if not active. MINIBUF nil or omitted means count the minibuffer iff
|
|
|
2268 it is active. MINIBUF neither t nor nil means not to count the
|
|
|
2269 minibuffer even if it is active.
|
|
|
2270
|
|
|
2271 Several frames may share a single minibuffer; if the minibuffer
|
|
|
2272 counts, all windows on all frames that share that minibuffer count
|
|
|
2273 too. Therefore, `previous-window' can be used to iterate through
|
|
|
2274 the set of windows even when the minibuffer is on another frame. If
|
|
442
|
2275 the minibuffer does not count, only windows from WINDOW's frame count.
|
|
|
2276
|
|
444
|
2277 By default, only the windows in the selected frame are considered.
|
|
|
2278 The optional argument WHICH-FRAMES changes this behavior:
|
|
|
2279 WHICH-FRAMES = `visible' means search windows on all visible frames.
|
|
448
|
2280 WHICH-FRAMES = 0 means search windows on all visible and iconified frames.
|
|
444
|
2281 WHICH-FRAMES = t means search windows on all frames including invisible frames.
|
|
|
2282 WHICH-FRAMES = a frame means search only windows on that frame.
|
|
|
2283 Anything else means restrict to the selected frame.
|
|
|
2284
|
|
|
2285 The optional fourth argument WHICH-DEVICES further clarifies on which
|
|
|
2286 devices to search for frames as specified by WHICH-FRAMES. This value
|
|
|
2287 is only meaningful if WHICH-FRAMES is non-nil.
|
|
|
2288 If nil or omitted, search all devices on the selected console.
|
|
|
2289 If a device, only search that device.
|
|
|
2290 If a console, search all devices on that console.
|
|
|
2291 If a device type, search all devices of that type.
|
|
|
2292 If `window-system', search all window-system devices.
|
|
|
2293 Any other non-nil value means search all devices.
|
|
|
2294
|
|
|
2295 If you use consistent values for MINIBUF, WHICH-FRAMES, and WHICH-DEVICES,
|
|
|
2296 you can use `previous-window' to iterate through the entire cycle of
|
|
|
2297 acceptable windows, eventually ending up back at the window you started with.
|
|
428
|
2298 `next-window' traverses the same cycle, in the reverse order.
|
|
|
2299 */
|
|
444
|
2300 (window, minibuf, which_frames, devices))
|
|
428
|
2301 {
|
|
|
2302 Lisp_Object tem;
|
|
|
2303 Lisp_Object start_window;
|
|
|
2304
|
|
|
2305 if (NILP (window))
|
|
|
2306 window = Fselected_window (Qnil);
|
|
|
2307 else
|
|
|
2308 CHECK_LIVE_WINDOW (window);
|
|
|
2309
|
|
|
2310 start_window = window;
|
|
|
2311
|
|
|
2312 /* minibuf == nil may or may not include minibuffers.
|
|
|
2313 Decide if it does. */
|
|
|
2314 if (NILP (minibuf))
|
|
|
2315 minibuf = (minibuf_level ? minibuf_window : Qlambda);
|
|
|
2316 else if (! EQ (minibuf, Qt))
|
|
|
2317 minibuf = Qlambda;
|
|
442
|
2318 /* Now `minibuf' is one of:
|
|
|
2319 t => count all minibuffer windows
|
|
|
2320 lambda => count none of them
|
|
428
|
2321 or a specific minibuffer window (the active one) to count. */
|
|
|
2322
|
|
444
|
2323 /* which_frames == nil doesn't specify which frames to include.
|
|
428
|
2324 Decide which frames it includes. */
|
|
444
|
2325 if (NILP (which_frames))
|
|
|
2326 which_frames = (! EQ (minibuf, Qlambda)
|
|
428
|
2327 ? (FRAME_MINIBUF_WINDOW
|
|
|
2328 (XFRAME
|
|
|
2329 (WINDOW_FRAME
|
|
|
2330 (XWINDOW (window)))))
|
|
|
2331 : Qnil);
|
|
444
|
2332 else if (EQ (which_frames, Qvisible))
|
|
428
|
2333 ;
|
|
444
|
2334 else if (ZEROP (which_frames))
|
|
428
|
2335 ;
|
|
444
|
2336 else if (FRAMEP (which_frames) && ! EQ (which_frames, Fwindow_frame (window)))
|
|
|
2337 /* If which_frames is a frame and window arg isn't on that frame, just
|
|
428
|
2338 return the first window on the frame. */
|
|
444
|
2339 return frame_first_window (XFRAME (which_frames));
|
|
|
2340 else if (! EQ (which_frames, Qt))
|
|
|
2341 which_frames = Qnil;
|
|
|
2342 /* Now `which_frames' is one of:
|
|
442
|
2343 t => search all frames
|
|
|
2344 nil => search just the current frame
|
|
|
2345 visible => search just visible frames
|
|
|
2346 0 => search visible and iconified frames
|
|
|
2347 a window => search the frame that window belongs to. */
|
|
428
|
2348
|
|
|
2349 /* Do this loop at least once, to get the next window, and perhaps
|
|
|
2350 again, if we hit the minibuffer and that is not acceptable. */
|
|
|
2351 do
|
|
|
2352 {
|
|
|
2353 /* Find a window that actually has a next one. This loop
|
|
|
2354 climbs up the tree. */
|
|
|
2355 while (tem = XWINDOW (window)->prev, NILP (tem))
|
|
|
2356 if (tem = XWINDOW (window)->parent, !NILP (tem))
|
|
|
2357 window = tem;
|
|
|
2358 else /* window must be minibuffer window now */
|
|
|
2359 {
|
|
|
2360 /* We have found the top window on the frame.
|
|
|
2361 Which frames are acceptable? */
|
|
|
2362 tem = WINDOW_FRAME (XWINDOW (window));
|
|
|
2363
|
|
444
|
2364 if (! NILP (which_frames))
|
|
442
|
2365 /* It's actually important that we use previous_frame here,
|
|
428
|
2366 rather than next_frame. All the windows acceptable
|
|
|
2367 according to the given parameters should form a ring;
|
|
|
2368 Fnext_window and Fprevious_window should go back and
|
|
|
2369 forth around the ring. If we use next_frame here,
|
|
|
2370 then Fnext_window and Fprevious_window take different
|
|
|
2371 paths through the set of acceptable windows.
|
|
|
2372 window_loop assumes that these `ring' requirement are
|
|
|
2373 met. */
|
|
|
2374 {
|
|
442
|
2375 Lisp_Object tem1 = tem;
|
|
444
|
2376 tem = previous_frame (tem, which_frames, devices);
|
|
428
|
2377 /* In the case where the minibuffer is active,
|
|
|
2378 and we include its frame as well as the selected one,
|
|
|
2379 next_frame may get stuck in that frame.
|
|
|
2380 If that happens, go back to the selected frame
|
|
|
2381 so we can complete the cycle. */
|
|
|
2382 if (EQ (tem, tem1))
|
|
|
2383 XSETFRAME (tem, selected_frame ());
|
|
|
2384 }
|
|
|
2385
|
|
|
2386 /* If this frame has a minibuffer, find that window first,
|
|
|
2387 because it is conceptually the last window in that frame. */
|
|
|
2388 if (FRAME_HAS_MINIBUF_P (XFRAME (tem)))
|
|
|
2389 tem = FRAME_MINIBUF_WINDOW (XFRAME (tem));
|
|
|
2390 else
|
|
|
2391 tem = FRAME_ROOT_WINDOW (XFRAME (tem));
|
|
|
2392
|
|
|
2393 break;
|
|
|
2394 }
|
|
|
2395
|
|
|
2396 window = tem;
|
|
|
2397
|
|
|
2398 /* If we're in a combination window, find its first child and
|
|
|
2399 recurse on that. Otherwise, we've found the window we want. */
|
|
|
2400 while (1)
|
|
|
2401 {
|
|
|
2402 if (!NILP (XWINDOW (window)->hchild))
|
|
|
2403 window = XWINDOW (window)->hchild;
|
|
|
2404 else if (!NILP (XWINDOW (window)->vchild))
|
|
|
2405 window = XWINDOW (window)->vchild;
|
|
|
2406 else break;
|
|
|
2407 while (tem = XWINDOW (window)->next, !NILP (tem))
|
|
|
2408 window = tem;
|
|
|
2409 }
|
|
|
2410 }
|
|
|
2411 /* Which windows are acceptable?
|
|
|
2412 Exit the loop and accept this window if
|
|
|
2413 this isn't a minibuffer window,
|
|
|
2414 or we're accepting all minibuffer windows,
|
|
|
2415 or this is the active minibuffer and we are accepting that one, or
|
|
|
2416 we've come all the way around and we're back at the original window. */
|
|
|
2417 while (MINI_WINDOW_P (XWINDOW (window))
|
|
|
2418 && ! EQ (minibuf, Qt)
|
|
|
2419 && ! EQ (minibuf, window)
|
|
|
2420 && ! EQ (window, start_window));
|
|
|
2421
|
|
|
2422 return window;
|
|
|
2423 }
|
|
|
2424
|
|
|
2425 DEFUN ("next-vertical-window", Fnext_vertical_window, 0, 1, 0, /*
|
|
|
2426 Return the next window which is vertically after WINDOW.
|
|
|
2427 */
|
|
|
2428 (window))
|
|
|
2429 {
|
|
|
2430 Lisp_Object root;
|
|
|
2431 struct window *w = decode_window (window);
|
|
|
2432 XSETWINDOW (window, w);
|
|
|
2433
|
|
|
2434 if (MINI_WINDOW_P (XWINDOW (window)))
|
|
|
2435 return Qnil;
|
|
|
2436
|
|
|
2437 root = FRAME_ROOT_WINDOW (XFRAME (WINDOW_FRAME (XWINDOW (window))));
|
|
|
2438
|
|
|
2439 if (EQ (window, root))
|
|
|
2440 {
|
|
|
2441 while (1)
|
|
|
2442 if (!NILP (XWINDOW (window)->hchild))
|
|
|
2443 window = XWINDOW (window)->hchild;
|
|
|
2444 else if (!NILP (XWINDOW (window)->vchild))
|
|
|
2445 window = XWINDOW (window)->vchild;
|
|
|
2446 else
|
|
|
2447 return window;
|
|
|
2448 }
|
|
|
2449
|
|
|
2450 do
|
|
|
2451 {
|
|
|
2452 if (!NILP (XWINDOW (window)->parent) &&
|
|
|
2453 !NILP (XWINDOW (XWINDOW (window)->parent)->vchild))
|
|
|
2454 {
|
|
|
2455 if (!NILP (XWINDOW (window)->next))
|
|
|
2456 return XWINDOW (window)->next;
|
|
|
2457 else
|
|
|
2458 window = XWINDOW (window)->parent;
|
|
|
2459 }
|
|
|
2460 else
|
|
|
2461 window = XWINDOW (window)->parent;
|
|
|
2462 }
|
|
|
2463 while (!EQ (window, root));
|
|
|
2464
|
|
|
2465 while (1)
|
|
|
2466 if (!NILP (XWINDOW (window)->hchild))
|
|
|
2467 window = XWINDOW (window)->hchild;
|
|
|
2468 else if (!NILP (XWINDOW (window)->vchild))
|
|
|
2469 window = XWINDOW (window)->vchild;
|
|
|
2470 else
|
|
|
2471 return window;
|
|
|
2472 }
|
|
|
2473
|
|
|
2474 DEFUN ("other-window", Fother_window, 1, 3, "p", /*
|
|
444
|
2475 Select the COUNT'th different window on this frame.
|
|
428
|
2476 All windows on current frame are arranged in a cyclic order.
|
|
444
|
2477 This command selects the window COUNT steps away in that order.
|
|
|
2478 A negative COUNT moves in the opposite order.
|
|
|
2479
|
|
|
2480 By default, only the windows in the selected frame are considered.
|
|
|
2481 The optional argument WHICH-FRAMES changes this behavior:
|
|
|
2482 WHICH-FRAMES = `visible' means search windows on all visible frames.
|
|
448
|
2483 WHICH-FRAMES = 0 means search windows on all visible and iconified frames.
|
|
444
|
2484 WHICH-FRAMES = t means search windows on all frames including invisible frames.
|
|
|
2485 WHICH-FRAMES = a frame means search only windows on that frame.
|
|
|
2486 Anything else means restrict to the selected frame.
|
|
|
2487
|
|
|
2488 The optional argument WHICH-DEVICES further clarifies on which devices
|
|
|
2489 to search for frames as specified by WHICH-FRAMES. This value is only
|
|
|
2490 meaningful if WHICH-FRAMES is non-nil.
|
|
|
2491 If nil or omitted, search all devices on the selected console.
|
|
|
2492 If a device, only search that device.
|
|
|
2493 If a console, search all devices on that console.
|
|
|
2494 If a device type, search all devices of that type.
|
|
|
2495 If `window-system', search all window-system devices.
|
|
|
2496 Any other non-nil value means search all devices.
|
|
428
|
2497 */
|
|
444
|
2498 (count, which_frames, which_devices))
|
|
428
|
2499 {
|
|
|
2500 int i;
|
|
|
2501 Lisp_Object w;
|
|
|
2502
|
|
444
|
2503 CHECK_INT (count);
|
|
428
|
2504 w = Fselected_window (Qnil);
|
|
444
|
2505 i = XINT (count);
|
|
428
|
2506
|
|
|
2507 while (i > 0)
|
|
|
2508 {
|
|
444
|
2509 w = Fnext_window (w, Qnil, which_frames, which_devices);
|
|
428
|
2510 i--;
|
|
|
2511 }
|
|
|
2512 while (i < 0)
|
|
|
2513 {
|
|
444
|
2514 w = Fprevious_window (w, Qnil, which_frames, which_devices);
|
|
428
|
2515 i++;
|
|
|
2516 }
|
|
|
2517 Fselect_window (w, Qnil);
|
|
|
2518 return Qnil;
|
|
|
2519 }
|
|
|
2520
|
|
|
2521
|
|
|
2522 /* Look at all windows, performing an operation specified by TYPE
|
|
|
2523 with argument OBJ.
|
|
|
2524
|
|
|
2525 If FRAMES is Qt, look at all frames, if Qnil, look at just the selected
|
|
|
2526 frame. If FRAMES is a frame, just look at windows on that frame.
|
|
|
2527 If MINI is non-zero, perform the operation on minibuffer windows too.
|
|
|
2528 */
|
|
|
2529
|
|
|
2530 enum window_loop
|
|
|
2531 {
|
|
|
2532 WINDOW_LOOP_UNUSED,
|
|
|
2533 GET_BUFFER_WINDOW, /* Arg is buffer */
|
|
|
2534 GET_LRU_WINDOW, /* Arg is t for full-width windows only */
|
|
|
2535 DELETE_OTHER_WINDOWS, /* Arg is window not to delete */
|
|
|
2536 DELETE_BUFFER_WINDOWS, /* Arg is buffer */
|
|
|
2537 GET_LARGEST_WINDOW,
|
|
|
2538 GET_BUFFER_WINDOW_COUNT, /* Arg is buffer */
|
|
|
2539 GET_BUFFER_MRU_WINDOW /* Arg is buffer */
|
|
|
2540 };
|
|
|
2541
|
|
|
2542 static Lisp_Object
|
|
|
2543 window_loop (enum window_loop type,
|
|
|
2544 Lisp_Object obj,
|
|
|
2545 int mini,
|
|
444
|
2546 Lisp_Object which_frames,
|
|
428
|
2547 int dedicated_too,
|
|
444
|
2548 Lisp_Object which_devices)
|
|
428
|
2549 {
|
|
448
|
2550 /* This function can GC if type == DELETE_BUFFER_WINDOWS */
|
|
428
|
2551 Lisp_Object w;
|
|
|
2552 Lisp_Object best_window = Qnil;
|
|
|
2553 Lisp_Object next_window;
|
|
|
2554 Lisp_Object last_window;
|
|
|
2555 struct frame *frame;
|
|
|
2556 Lisp_Object frame_arg = Qt;
|
|
|
2557 int count = 0; /* for GET_BUFFER_WINDOW_COUNT */
|
|
|
2558 /* #### I think the change of "precomputing" last_window and next_window
|
|
|
2559 * #### catch the lossage this is meant(?) to punt on...
|
|
|
2560 */
|
|
|
2561 int lose_lose = 0;
|
|
|
2562 Lisp_Object devcons, concons;
|
|
|
2563
|
|
|
2564 /* If we're only looping through windows on a particular frame,
|
|
|
2565 FRAME points to that frame. If we're looping through windows
|
|
|
2566 on all frames, FRAME is 0. */
|
|
444
|
2567 if (FRAMEP (which_frames))
|
|
|
2568 frame = XFRAME (which_frames);
|
|
|
2569 else if (NILP (which_frames))
|
|
428
|
2570 frame = selected_frame ();
|
|
|
2571 else
|
|
|
2572 frame = 0;
|
|
442
|
2573
|
|
|
2574 /* FRAME_ARG is Qlambda to stick to one frame,
|
|
|
2575 Qvisible to consider all visible frames,
|
|
|
2576 or Qt otherwise. */
|
|
428
|
2577 if (frame)
|
|
|
2578 frame_arg = Qlambda;
|
|
444
|
2579 else if (ZEROP (which_frames))
|
|
|
2580 frame_arg = which_frames;
|
|
|
2581 else if (EQ (which_frames, Qvisible))
|
|
|
2582 frame_arg = which_frames;
|
|
428
|
2583
|
|
|
2584 DEVICE_LOOP_NO_BREAK (devcons, concons)
|
|
|
2585 {
|
|
|
2586 Lisp_Object device = XCAR (devcons);
|
|
|
2587 Lisp_Object the_frame;
|
|
|
2588
|
|
|
2589 if (frame)
|
|
|
2590 XSETFRAME (the_frame, frame);
|
|
|
2591 else
|
|
|
2592 the_frame = DEVICE_SELECTED_FRAME (XDEVICE (device));
|
|
|
2593
|
|
|
2594 if (NILP (the_frame))
|
|
|
2595 continue;
|
|
|
2596
|
|
444
|
2597 if (!device_matches_device_spec (device,
|
|
|
2598 NILP (which_devices) ?
|
|
|
2599 FRAME_CONSOLE (XFRAME (the_frame)) :
|
|
|
2600 which_devices))
|
|
428
|
2601 continue;
|
|
|
2602
|
|
|
2603 /* Pick a window to start with. */
|
|
|
2604 if (WINDOWP (obj))
|
|
|
2605 w = obj;
|
|
|
2606 else
|
|
|
2607 w = FRAME_SELECTED_WINDOW (XFRAME (the_frame));
|
|
|
2608
|
|
|
2609 /* Figure out the last window we're going to mess with. Since
|
|
|
2610 Fnext_window, given the same options, is guaranteed to go in a
|
|
|
2611 ring, we can just use Fprevious_window to find the last one.
|
|
|
2612
|
|
|
2613 We can't just wait until we hit the first window again,
|
|
|
2614 because it might be deleted. */
|
|
|
2615
|
|
|
2616 last_window = Fprevious_window (w, mini ? Qt : Qnil, frame_arg, Qt);
|
|
|
2617
|
|
|
2618 best_window = Qnil;
|
|
|
2619 for (;;)
|
|
|
2620 {
|
|
|
2621 struct window *p = XWINDOW (w);
|
|
|
2622
|
|
|
2623 /* Pick the next window now, since some operations will delete
|
|
|
2624 the current window. */
|
|
442
|
2625 next_window = Fnext_window (w, mini ? Qt : Qnil, frame_arg, device);
|
|
428
|
2626
|
|
|
2627 /* #### Still needed ?? */
|
|
|
2628 /* Given the outstanding quality of the rest of this code,
|
|
|
2629 I feel no shame about putting this piece of shit in. */
|
|
|
2630 if (++lose_lose >= 500)
|
|
|
2631 return Qnil;
|
|
|
2632
|
|
|
2633 /* Note that we do not pay attention here to whether
|
|
|
2634 the frame is visible, since Fnext_window skips non-visible frames
|
|
|
2635 if that is desired, under the control of frame_arg. */
|
|
|
2636 if (! MINI_WINDOW_P (p)
|
|
|
2637 || (mini && minibuf_level > 0))
|
|
|
2638 switch (type)
|
|
|
2639 {
|
|
|
2640 case GET_BUFFER_WINDOW:
|
|
|
2641 {
|
|
|
2642 if (XBUFFER (p->buffer) == XBUFFER (obj))
|
|
|
2643 return w;
|
|
|
2644 break;
|
|
|
2645 }
|
|
|
2646
|
|
|
2647 case GET_BUFFER_WINDOW_COUNT:
|
|
|
2648 {
|
|
|
2649 if (XBUFFER (p->buffer) == XBUFFER (obj))
|
|
|
2650 count++;
|
|
|
2651 break;
|
|
|
2652 }
|
|
|
2653
|
|
|
2654 case GET_LRU_WINDOW:
|
|
|
2655 {
|
|
|
2656 /* t as arg means consider only full-width windows */
|
|
|
2657 if (!NILP (obj)
|
|
|
2658 && !window_full_width_p (p))
|
|
|
2659 break;
|
|
|
2660 /* Ignore dedicated windows and minibuffers. */
|
|
|
2661 if (MINI_WINDOW_P (p)
|
|
|
2662 || (dedicated_too ? 0 : !NILP (p->dedicated)))
|
|
|
2663 break;
|
|
|
2664 if (NILP (best_window)
|
|
|
2665 || (XINT (XWINDOW (best_window)->use_time)
|
|
|
2666 > XINT (p->use_time)))
|
|
|
2667 best_window = w;
|
|
|
2668 break;
|
|
|
2669 }
|
|
|
2670
|
|
|
2671 case GET_BUFFER_MRU_WINDOW:
|
|
|
2672 {
|
|
|
2673 /* #### what about the first check in GET_LRU_WINDOW? */
|
|
|
2674 /* Ignore dedicated windows and minibuffers. */
|
|
|
2675 if (MINI_WINDOW_P (p)
|
|
|
2676 || (dedicated_too ? 0 : !NILP (p->dedicated)))
|
|
|
2677 break;
|
|
|
2678
|
|
|
2679 if (XBUFFER (p->buffer) == XBUFFER (obj))
|
|
|
2680 {
|
|
|
2681 if (NILP (best_window)
|
|
|
2682 || (XINT (XWINDOW (best_window)->use_time)
|
|
|
2683 < XINT (p->use_time)))
|
|
|
2684 best_window = w;
|
|
|
2685 }
|
|
|
2686 break;
|
|
|
2687 }
|
|
|
2688
|
|
|
2689 case DELETE_OTHER_WINDOWS:
|
|
|
2690 {
|
|
|
2691 /* Don't delete the last window on a frame; this can
|
|
|
2692 happen when the minibuffer is selected, and would
|
|
|
2693 cause the frame to be deleted. */
|
|
|
2694 if (p != XWINDOW (obj) && !TOP_LEVEL_WINDOW_P (XWINDOW (w)))
|
|
|
2695 Fdelete_window (w, Qnil);
|
|
|
2696 break;
|
|
|
2697 }
|
|
|
2698
|
|
|
2699 case DELETE_BUFFER_WINDOWS:
|
|
|
2700 {
|
|
|
2701 if (EQ (p->buffer, obj))
|
|
|
2702 {
|
|
|
2703 struct frame *f = XFRAME (WINDOW_FRAME (p));
|
|
|
2704
|
|
|
2705 /* If this window is dedicated, and in a frame
|
|
|
2706 of its own, kill the frame. */
|
|
|
2707 if (EQ (w, FRAME_ROOT_WINDOW (f))
|
|
|
2708 && !NILP (p->dedicated)
|
|
|
2709 && other_visible_frames (f))
|
|
|
2710 {
|
|
|
2711 /* Skip the other windows on this frame.
|
|
|
2712 There might be one, the minibuffer! */
|
|
|
2713 if (! EQ (w, last_window))
|
|
|
2714 while (f == XFRAME (WINDOW_FRAME
|
|
|
2715 (XWINDOW (next_window))))
|
|
|
2716 {
|
|
|
2717 /* As we go, check for the end of the
|
|
|
2718 loop. We mustn't start going
|
|
|
2719 around a second time. */
|
|
|
2720 if (EQ (next_window, last_window))
|
|
|
2721 {
|
|
|
2722 last_window = w;
|
|
|
2723 break;
|
|
|
2724 }
|
|
|
2725 next_window = Fnext_window (next_window,
|
|
|
2726 mini ? Qt : Qnil,
|
|
|
2727 frame_arg, Qt);
|
|
|
2728 }
|
|
|
2729 /* Now we can safely delete the frame. */
|
|
|
2730 Fdelete_frame (WINDOW_FRAME (p), Qnil);
|
|
|
2731 }
|
|
|
2732 else
|
|
|
2733 /* If we're deleting the buffer displayed in
|
|
|
2734 the only window on the frame, find a new
|
|
|
2735 buffer to display there. */
|
|
|
2736 if (NILP (p->parent))
|
|
|
2737 {
|
|
|
2738 Lisp_Object new_buffer;
|
|
|
2739 new_buffer = Fother_buffer (obj, Qnil, Qnil);
|
|
|
2740 if (NILP (new_buffer))
|
|
|
2741 new_buffer = Fget_buffer_create (QSscratch);
|
|
440
|
2742 Fset_window_buffer (w, new_buffer, Qnil);
|
|
428
|
2743 if (EQ (w, Fselected_window (Qnil)))
|
|
|
2744 Fset_buffer (p->buffer);
|
|
|
2745 }
|
|
|
2746 else
|
|
|
2747 Fdelete_window (w, Qnil);
|
|
|
2748 }
|
|
|
2749 break;
|
|
|
2750 }
|
|
|
2751
|
|
|
2752 case GET_LARGEST_WINDOW:
|
|
|
2753 {
|
|
|
2754 /* Ignore dedicated windows and minibuffers. */
|
|
|
2755 if (MINI_WINDOW_P (p)
|
|
|
2756 || (dedicated_too ? 0 : !NILP (p->dedicated)))
|
|
|
2757 break;
|
|
|
2758 {
|
|
|
2759 /* write the check as follows to avoid tripping
|
|
|
2760 error_check_window() --ben */
|
|
|
2761 struct window *b = NILP (best_window) ? 0 :
|
|
|
2762 XWINDOW (best_window);
|
|
|
2763 if (NILP (best_window)
|
|
|
2764 || ((WINDOW_HEIGHT (p) * WINDOW_WIDTH (p))
|
|
|
2765 > (WINDOW_HEIGHT (b) * WINDOW_WIDTH (b))))
|
|
|
2766 best_window = w;
|
|
|
2767 }
|
|
|
2768 break;
|
|
|
2769 }
|
|
|
2770
|
|
|
2771 default:
|
|
|
2772 abort ();
|
|
|
2773 }
|
|
|
2774
|
|
|
2775 if (EQ (w, last_window))
|
|
|
2776 break;
|
|
|
2777
|
|
|
2778 w = next_window;
|
|
|
2779 }
|
|
|
2780 }
|
|
|
2781
|
|
|
2782 return type == GET_BUFFER_WINDOW_COUNT ? make_int (count) : best_window;
|
|
|
2783 }
|
|
|
2784
|
|
|
2785 #if 0 /* not currently used */
|
|
|
2786
|
|
|
2787 int
|
|
|
2788 buffer_window_count (struct buffer *b, struct frame *f)
|
|
|
2789 {
|
|
|
2790 Lisp_Object buffer, frame;
|
|
|
2791
|
|
|
2792 XSETFRAME (frame, f);
|
|
|
2793 XSETBUFFER (buffer, b);
|
|
|
2794
|
|
|
2795 return XINT (window_loop (GET_BUFFER_WINDOW_COUNT, buffer, 0, frame, 1,
|
|
|
2796 Qnil));
|
|
|
2797 }
|
|
|
2798
|
|
|
2799 int
|
|
|
2800 buffer_window_mru (struct window *w)
|
|
|
2801 {
|
|
|
2802 Lisp_Object window =
|
|
|
2803 window_loop (GET_BUFFER_MRU_WINDOW, w->buffer, 0, w->frame, 1, Qnil);
|
|
|
2804
|
|
|
2805 if (NILP (window))
|
|
|
2806 return 0;
|
|
|
2807 else if (XWINDOW (window) == w)
|
|
|
2808 return 1;
|
|
|
2809 else
|
|
|
2810 return 0;
|
|
|
2811 }
|
|
|
2812
|
|
|
2813 #endif
|
|
|
2814
|
|
|
2815
|
|
|
2816 DEFUN ("get-lru-window", Fget_lru_window, 0, 2, 0, /*
|
|
|
2817 Return the window least recently selected or used for display.
|
|
444
|
2818
|
|
|
2819 By default, only the windows in the selected frame are considered.
|
|
|
2820 The optional argument WHICH-FRAMES changes this behavior:
|
|
|
2821 If optional argument WHICH-FRAMES is `visible', search all visible frames.
|
|
|
2822 If WHICH-FRAMES is 0, search all visible and iconified frames.
|
|
|
2823 If WHICH-FRAMES is t, search all frames.
|
|
|
2824 If WHICH-FRAMES is nil, search only the selected frame.
|
|
|
2825 If WHICH-FRAMES is a frame, search only that frame.
|
|
|
2826
|
|
|
2827 The optional argument WHICH-DEVICES further clarifies on which devices
|
|
|
2828 to search for frames as specified by WHICH-FRAMES. This value is only
|
|
|
2829 meaningful if WHICH-FRAMES is non-nil.
|
|
|
2830 If nil or omitted, search all devices on the selected console.
|
|
|
2831 If a device, only search that device.
|
|
|
2832 If a console, search all devices on that console.
|
|
|
2833 If a device type, search all devices of that type.
|
|
|
2834 If `window-system', search all devices on window-system consoles.
|
|
|
2835 Any other non-nil value means search all devices.
|
|
428
|
2836 */
|
|
444
|
2837 (which_frames, which_devices))
|
|
428
|
2838 {
|
|
|
2839 Lisp_Object w;
|
|
|
2840 /* First try for a non-dedicated window that is full-width */
|
|
444
|
2841 w = window_loop (GET_LRU_WINDOW, Qt, 0, which_frames, 0, which_devices);
|
|
428
|
2842 if (!NILP (w) && !EQ (w, Fselected_window (Qnil)))
|
|
|
2843 return w;
|
|
|
2844
|
|
|
2845 /* Then try for any non-dedicated window */
|
|
444
|
2846 w = window_loop (GET_LRU_WINDOW, Qnil, 0, which_frames, 0, which_devices);
|
|
428
|
2847 if (!NILP (w) && !EQ (w, Fselected_window (Qnil)))
|
|
|
2848 return w;
|
|
|
2849
|
|
|
2850 #if 0
|
|
|
2851 /* FSFmacs never returns a dedicated window here. If we do,
|
|
|
2852 it makes `display-buffer' not work right. #### All of this
|
|
|
2853 shit is so disgusting and awful that it needs to be rethought
|
|
|
2854 from scratch. */
|
|
|
2855 /* then try for a dedicated window that is full-width */
|
|
444
|
2856 w = window_loop (GET_LRU_WINDOW, Qt, 0, which_frames, 1, which_devices);
|
|
428
|
2857 if (!NILP (w) && !EQ (w, Fselected_window (Qnil)))
|
|
|
2858 return w;
|
|
|
2859
|
|
|
2860 /* If none of them, then all windows, dedicated or not. */
|
|
444
|
2861 w = window_loop (GET_LRU_WINDOW, Qnil, 0, which_frames, 1, which_devices);
|
|
428
|
2862
|
|
|
2863 /* At this point we damn well better have found something. */
|
|
|
2864 if (NILP (w)) abort ();
|
|
|
2865 #endif
|
|
|
2866
|
|
|
2867 return w;
|
|
|
2868 }
|
|
|
2869
|
|
|
2870 DEFUN ("get-largest-window", Fget_largest_window, 0, 2, 0, /*
|
|
|
2871 Return the window largest in area.
|
|
444
|
2872
|
|
|
2873 By default, only the windows in the selected frame are considered.
|
|
|
2874 The optional argument WHICH-FRAMES changes this behavior:
|
|
|
2875 If optional argument WHICH-FRAMES is `visible', search all visible frames.
|
|
|
2876 If WHICH-FRAMES is 0, search all visible and iconified frames.
|
|
|
2877 If WHICH-FRAMES is t, search all frames.
|
|
|
2878 If WHICH-FRAMES is nil, search only the selected frame.
|
|
|
2879 If WHICH-FRAMES is a frame, search only that frame.
|
|
|
2880
|
|
|
2881 The optional argument WHICH-DEVICES further clarifies on which devices
|
|
|
2882 to search for frames as specified by WHICH-FRAMES. This value is only
|
|
|
2883 meaningful if WHICH-FRAMES is non-nil.
|
|
|
2884 If nil or omitted, search all devices on the selected console.
|
|
|
2885 If a device, only search that device.
|
|
|
2886 If a console, search all devices on that console.
|
|
|
2887 If a device type, search all devices of that type.
|
|
|
2888 If `window-system', search all devices on window-system consoles.
|
|
|
2889 Any other non-nil value means search all devices.
|
|
428
|
2890 */
|
|
444
|
2891 (which_frames, which_devices))
|
|
428
|
2892 {
|
|
|
2893 /* Don't search dedicated windows because FSFmacs doesn't.
|
|
|
2894 This stuff is all black magic so don't try to apply common
|
|
|
2895 sense to it. */
|
|
444
|
2896 return window_loop (GET_LARGEST_WINDOW, Qnil, 0,
|
|
|
2897 which_frames, 0, which_devices);
|
|
428
|
2898 }
|
|
|
2899
|
|
|
2900 DEFUN ("get-buffer-window", Fget_buffer_window, 1, 3, 0, /*
|
|
|
2901 Return a window currently displaying BUFFER, or nil if none.
|
|
444
|
2902
|
|
|
2903 By default, only the windows in the selected frame are considered.
|
|
|
2904 The optional argument WHICH-FRAMES changes this behavior:
|
|
|
2905 If optional argument WHICH-FRAMES is `visible', search all visible frames.
|
|
|
2906 If WHICH-FRAMES is 0, search all visible and iconified frames.
|
|
|
2907 If WHICH-FRAMES is t, search all frames.
|
|
|
2908 If WHICH-FRAMES is nil, search only the selected frame.
|
|
|
2909 If WHICH-FRAMES is a frame, search only that frame.
|
|
|
2910
|
|
|
2911 The optional argument WHICH-DEVICES further clarifies on which devices
|
|
|
2912 to search for frames as specified by WHICH-FRAMES. This value is only
|
|
|
2913 meaningful if WHICH-FRAMES is non-nil.
|
|
|
2914 If nil or omitted, search all devices on the selected console.
|
|
|
2915 If a device, only search that device.
|
|
|
2916 If a console, search all devices on that console.
|
|
|
2917 If a device type, search all devices of that type.
|
|
|
2918 If `window-system', search all devices on window-system consoles.
|
|
|
2919 Any other non-nil value means search all devices.
|
|
428
|
2920 */
|
|
444
|
2921 (buffer, which_frames, which_devices))
|
|
428
|
2922 {
|
|
|
2923 buffer = Fget_buffer (buffer);
|
|
|
2924 if (BUFFERP (buffer))
|
|
|
2925 /* Search dedicated windows too. (Doesn't matter here anyway.) */
|
|
444
|
2926 return window_loop (GET_BUFFER_WINDOW, buffer, 1,
|
|
|
2927 which_frames, 1, which_devices);
|
|
428
|
2928 else
|
|
|
2929 return Qnil;
|
|
|
2930 }
|
|
|
2931
|
|
|
2932 /* These functions used to be `buffer-left-margin-pixel-width', etc.
|
|
|
2933 but there is no sensible way to implement those functions, since
|
|
|
2934 you can't in general derive a window from a buffer. */
|
|
|
2935
|
|
|
2936 DEFUN ("window-left-margin-pixel-width", Fwindow_left_margin_pixel_width,
|
|
|
2937 0, 1, 0, /*
|
|
|
2938 Return the width in pixels of the left outside margin of window WINDOW.
|
|
|
2939 If WINDOW is nil, the selected window is assumed.
|
|
|
2940 */
|
|
|
2941 (window))
|
|
|
2942 {
|
|
|
2943 return make_int (window_left_margin_width (decode_window (window)));
|
|
|
2944 }
|
|
|
2945
|
|
|
2946 DEFUN ("window-right-margin-pixel-width", Fwindow_right_margin_pixel_width,
|
|
|
2947 0, 1, 0, /*
|
|
|
2948 Return the width in pixels of the right outside margin of window WINDOW.
|
|
|
2949 If WINDOW is nil, the selected window is assumed.
|
|
|
2950 */
|
|
|
2951 (window))
|
|
|
2952 {
|
|
|
2953 return make_int (window_right_margin_width (decode_window (window)));
|
|
|
2954 }
|
|
|
2955
|
|
|
2956 DEFUN ("delete-other-windows", Fdelete_other_windows, 0, 1, "", /*
|
|
|
2957 Make WINDOW (or the selected window) fill its frame.
|
|
|
2958 Only the frame WINDOW is on is affected.
|
|
|
2959 This function tries to reduce display jumps
|
|
|
2960 by keeping the text previously visible in WINDOW
|
|
|
2961 in the same place on the frame. Doing this depends on
|
|
|
2962 the value of (window-start WINDOW), so if calling this function
|
|
|
2963 in a program gives strange scrolling, make sure the window-start
|
|
|
2964 value is reasonable when this function is called.
|
|
|
2965 */
|
|
|
2966 (window))
|
|
|
2967 {
|
|
|
2968 struct window *w = decode_window (window);
|
|
|
2969 struct buffer *b = XBUFFER (w->buffer);
|
|
|
2970 Bufpos start_pos;
|
|
|
2971 int old_top = WINDOW_TOP (w);
|
|
|
2972
|
|
|
2973 XSETWINDOW (window, w);
|
|
|
2974
|
|
|
2975 if (MINI_WINDOW_P (w) && old_top > 0)
|
|
|
2976 error ("Can't expand minibuffer to full frame");
|
|
|
2977
|
|
|
2978 /* Ignore dedicated windows. */
|
|
|
2979 window_loop (DELETE_OTHER_WINDOWS, window, 0, w->frame, 0, Qnil);
|
|
|
2980
|
|
|
2981 start_pos = marker_position (w->start[CURRENT_DISP]);
|
|
|
2982
|
|
|
2983 /* Try to minimize scrolling, by setting the window start to the
|
|
|
2984 point which will cause the text at the old window start to be at
|
|
|
2985 the same place on the frame. But don't try to do this if the
|
|
|
2986 window start is outside the visible portion (as might happen when
|
|
|
2987 the display is not current, due to typeahead). */
|
|
|
2988 if (start_pos >= BUF_BEGV (b) && start_pos <= BUF_ZV (b)
|
|
|
2989 && !MINI_WINDOW_P (w))
|
|
|
2990 {
|
|
|
2991 Bufpos new_start = start_with_line_at_pixpos (w, start_pos, old_top);
|
|
|
2992
|
|
|
2993 if (new_start >= BUF_BEGV (b) && new_start <= BUF_ZV (b))
|
|
|
2994 {
|
|
|
2995 Fset_marker (w->start[CURRENT_DISP], make_int (new_start),
|
|
|
2996 w->buffer);
|
|
|
2997 w->start_at_line_beg = beginning_of_line_p (b, new_start);
|
|
|
2998 }
|
|
|
2999 /* We need to do this, so that the window-scroll-functions
|
|
|
3000 get called. */
|
|
|
3001 w->force_start = 1;
|
|
|
3002 }
|
|
|
3003
|
|
|
3004 return Qnil;
|
|
|
3005 }
|
|
|
3006
|
|
|
3007 DEFUN ("delete-windows-on", Fdelete_windows_on, 1, 3,
|
|
|
3008 "bDelete windows on (buffer): ", /*
|
|
|
3009 Delete all windows showing BUFFER.
|
|
444
|
3010
|
|
|
3011 Optional second argument WHICH-FRAMES controls which frames are affected.
|
|
428
|
3012 If nil or omitted, delete all windows showing BUFFER in any frame.
|
|
|
3013 If t, delete only windows showing BUFFER in the selected frame.
|
|
|
3014 If `visible', delete all windows showing BUFFER in any visible frame.
|
|
|
3015 If a frame, delete only windows showing BUFFER in that frame.
|
|
444
|
3016 Warning: WHICH-FRAMES has the same meaning as with `next-window',
|
|
|
3017 except that the meanings of nil and t are reversed.
|
|
|
3018
|
|
|
3019 The optional third argument WHICH-DEVICES further clarifies on which
|
|
|
3020 devices to search for frames as specified by WHICH-FRAMES. This value
|
|
|
3021 is only meaningful if WHICH-FRAMES is not t.
|
|
|
3022 If nil or omitted, search only the selected console.
|
|
|
3023 If a device, only search that device.
|
|
|
3024 If a console, search all devices on that console.
|
|
|
3025 If a device type, search all devices of that type.
|
|
|
3026 If `window-system', search all devices on a window system.
|
|
|
3027 Any other non-nil value means search all devices.
|
|
428
|
3028 */
|
|
444
|
3029 (buffer, which_frames, which_devices))
|
|
428
|
3030 {
|
|
|
3031 /* This function can GC */
|
|
444
|
3032 buffer = Fget_buffer (buffer);
|
|
|
3033 CHECK_BUFFER (buffer);
|
|
|
3034
|
|
|
3035 /* WHICH-FRAMES values t and nil mean the opposite of what
|
|
|
3036 window_loop expects. */
|
|
|
3037 if (EQ (which_frames, Qnil))
|
|
|
3038 which_frames = Qt;
|
|
|
3039 else if (EQ (which_frames, Qt))
|
|
|
3040 which_frames = Qnil;
|
|
|
3041
|
|
|
3042 /* Ignore dedicated windows. */
|
|
|
3043 window_loop (DELETE_BUFFER_WINDOWS, buffer, 0,
|
|
|
3044 which_frames, 0, which_devices);
|
|
428
|
3045 return Qnil;
|
|
|
3046 }
|
|
|
3047
|
|
448
|
3048 static Lisp_Object
|
|
|
3049 list_windows (struct window *w, Lisp_Object value)
|
|
|
3050 {
|
|
|
3051 for (;;)
|
|
|
3052 {
|
|
|
3053 if (!NILP (w->hchild))
|
|
|
3054 value = list_windows (XWINDOW (w->hchild), value);
|
|
|
3055 else if (!NILP (w->vchild))
|
|
|
3056 value = list_windows (XWINDOW (w->vchild), value);
|
|
|
3057 else
|
|
|
3058 {
|
|
|
3059 Lisp_Object window;
|
|
|
3060 XSETWINDOW (window, w);
|
|
|
3061 value = Fcons (window, value);
|
|
|
3062 }
|
|
|
3063 if (NILP (w->next))
|
|
|
3064 break;
|
|
|
3065 w = XWINDOW (w->next);
|
|
|
3066 }
|
|
|
3067 return value;
|
|
|
3068 }
|
|
|
3069
|
|
|
3070 static Lisp_Object
|
|
|
3071 list_all_windows (Lisp_Object frame_spec, Lisp_Object device_spec)
|
|
|
3072 {
|
|
|
3073 Lisp_Object devcons, concons;
|
|
|
3074 Lisp_Object retval = Qnil;
|
|
|
3075
|
|
|
3076 DEVICE_LOOP_NO_BREAK (devcons, concons)
|
|
|
3077 {
|
|
|
3078 Lisp_Object frame_list, the_window;
|
|
|
3079 Lisp_Object device, tail;
|
|
|
3080
|
|
|
3081 device = XCAR (devcons);
|
|
|
3082 frame_list = DEVICE_FRAME_LIST (XDEVICE (device));
|
|
|
3083
|
|
|
3084 LIST_LOOP (tail, frame_list)
|
|
|
3085 {
|
|
|
3086 if ((NILP (frame_spec)
|
|
|
3087 && !EQ (XCAR (tail), DEVICE_SELECTED_FRAME (XDEVICE (device))))
|
|
|
3088 || (EQ (frame_spec, Qvisible)
|
|
|
3089 && !FRAME_VISIBLE_P (XFRAME (XCAR (tail))))
|
|
|
3090 || (FRAMEP (frame_spec)
|
|
|
3091 && !EQ (frame_spec, XCAR (tail)))
|
|
|
3092 || (!NILP (frame_spec)
|
|
|
3093 && !device_matches_device_spec (device,
|
|
|
3094 NILP (device_spec) ?
|
|
|
3095 Vselected_console :
|
|
|
3096 device_spec)))
|
|
|
3097 continue;
|
|
|
3098 the_window = FRAME_ROOT_WINDOW (XFRAME (XCAR (tail)));
|
|
|
3099 retval = list_windows (XWINDOW (the_window), retval);
|
|
|
3100 }
|
|
|
3101 }
|
|
|
3102 return Fnreverse (retval);
|
|
|
3103 }
|
|
|
3104
|
|
444
|
3105 DEFUN ("replace-buffer-in-windows", Freplace_buffer_in_windows, 1, 3,
|
|
428
|
3106 "bReplace buffer in windows: ", /*
|
|
|
3107 Replace BUFFER with some other buffer in all windows showing it.
|
|
444
|
3108
|
|
|
3109 Optional second argument WHICH-FRAMES controls which frames are affected.
|
|
|
3110 If nil or omitted, all frames are affected.
|
|
|
3111 If t, only the selected frame is affected.
|
|
|
3112 If `visible', all visible frames are affected.
|
|
|
3113 If a frame, only that frame is affected.
|
|
|
3114 Warning: WHICH-FRAMES has the same meaning as with `next-window',
|
|
|
3115 except that the meanings of nil and t are reversed.
|
|
|
3116
|
|
|
3117 The optional third argument WHICH-DEVICES further clarifies on which
|
|
|
3118 devices to search for frames as specified by WHICH-FRAMES. This value
|
|
|
3119 is only meaningful if WHICH-FRAMES is not t.
|
|
|
3120 If nil or omitted, search only the selected console.
|
|
|
3121 If a device, only search that device.
|
|
|
3122 If a console, search all devices on that console.
|
|
|
3123 If a device type, search all devices of that type.
|
|
|
3124 If `window-system', search all devices on a window system.
|
|
|
3125 Any other non-nil value means search all devices.
|
|
428
|
3126 */
|
|
444
|
3127 (buffer, which_frames, which_devices))
|
|
428
|
3128 {
|
|
|
3129 /* This function can GC */
|
|
448
|
3130 Lisp_Object window_list;
|
|
|
3131 Lisp_Object tail;
|
|
|
3132 struct gcpro gcpro1, gcpro2;
|
|
|
3133
|
|
444
|
3134 if (EQ (which_frames, Qnil))
|
|
|
3135 which_frames = Qt;
|
|
|
3136 else if (EQ (which_frames, Qt))
|
|
|
3137 which_frames = Qnil;
|
|
448
|
3138 window_list = list_all_windows (which_frames, which_devices);
|
|
|
3139
|
|
|
3140 buffer = Fget_buffer (buffer);
|
|
|
3141 CHECK_BUFFER (buffer);
|
|
|
3142
|
|
|
3143 GCPRO2 (window_list, buffer);
|
|
|
3144 LIST_LOOP (tail, window_list)
|
|
|
3145 {
|
|
|
3146 Lisp_Object window = XCAR (tail);
|
|
|
3147 if (!MINI_WINDOW_P (XWINDOW (window))
|
|
|
3148 && EQ (XWINDOW (window)->buffer, buffer))
|
|
|
3149 {
|
|
|
3150 Lisp_Object another_buffer = Fother_buffer (buffer, Qnil, Qnil);
|
|
|
3151 Lisp_Object frame = WINDOW_FRAME (XWINDOW (window));
|
|
|
3152 if (NILP (another_buffer))
|
|
|
3153 another_buffer = Fget_buffer_create (QSscratch);
|
|
|
3154 if (!NILP (XWINDOW (window)->dedicated)
|
|
|
3155 && EQ (window,
|
|
|
3156 FRAME_ROOT_WINDOW (XFRAME (frame)))
|
|
|
3157 && other_visible_frames (XFRAME (frame)))
|
|
|
3158 {
|
|
|
3159 delete_frame_internal (XFRAME (frame), 0, 0, 0); /* GC */
|
|
|
3160 }
|
|
|
3161 else
|
|
|
3162 {
|
|
|
3163 Fset_window_buffer (window, another_buffer, Qnil);
|
|
|
3164 if (EQ (window, Fselected_window (Qnil)))
|
|
|
3165 Fset_buffer (XWINDOW (window)->buffer);
|
|
|
3166 }
|
|
|
3167 }
|
|
|
3168 }
|
|
|
3169 UNGCPRO;
|
|
428
|
3170 return Qnil;
|
|
|
3171 }
|
|
|
3172
|
|
|
3173 /* The smallest acceptable dimensions for a window. Anything smaller
|
|
|
3174 might crash Emacs. */
|
|
|
3175 #define MIN_SAFE_WINDOW_WIDTH (2)
|
|
|
3176 #define MIN_SAFE_WINDOW_HEIGHT (2)
|
|
|
3177
|
|
|
3178 /* Make sure that window_min_height and window_min_width are
|
|
|
3179 not too small; if they are, set them to safe minima. */
|
|
|
3180
|
|
|
3181 static void
|
|
|
3182 check_min_window_sizes (void)
|
|
|
3183 {
|
|
|
3184 /* Smaller values might permit a crash. */
|
|
|
3185 if (window_min_width < MIN_SAFE_WINDOW_WIDTH)
|
|
|
3186 window_min_width = MIN_SAFE_WINDOW_WIDTH;
|
|
|
3187 if (window_min_height < MIN_SAFE_WINDOW_HEIGHT)
|
|
|
3188 window_min_height = MIN_SAFE_WINDOW_HEIGHT;
|
|
|
3189 }
|
|
|
3190
|
|
440
|
3191 static int
|
|
|
3192 frame_min_height (struct frame *frame)
|
|
|
3193 {
|
|
|
3194 /* For height, we have to see whether the frame has a minibuffer, and
|
|
|
3195 whether it wants a modeline. */
|
|
|
3196 return (FRAME_MINIBUF_ONLY_P (frame) ? MIN_SAFE_WINDOW_HEIGHT - 1
|
|
|
3197 : (! FRAME_HAS_MINIBUF_P (frame)) ? MIN_SAFE_WINDOW_HEIGHT
|
|
|
3198 : 2 * MIN_SAFE_WINDOW_HEIGHT - 1);
|
|
|
3199 }
|
|
|
3200
|
|
|
3201 /* Return non-zero if both frame sizes are less than or equal to
|
|
|
3202 minimal allowed values. ROWS and COLS are in characters */
|
|
|
3203 int
|
|
|
3204 frame_size_valid_p (struct frame *frame, int rows, int cols)
|
|
|
3205 {
|
|
|
3206 return (rows >= frame_min_height (frame)
|
|
|
3207 && cols >= MIN_SAFE_WINDOW_WIDTH);
|
|
|
3208 }
|
|
|
3209
|
|
|
3210 /* Return non-zero if both frame sizes are less than or equal to
|
|
|
3211 minimal allowed values. WIDTH and HEIGHT are in pixels */
|
|
|
3212 int
|
|
|
3213 frame_pixsize_valid_p (struct frame *frame, int width, int height)
|
|
|
3214 {
|
|
|
3215 int rows, cols;
|
|
|
3216 pixel_to_real_char_size (frame, width, height, &cols, &rows);
|
|
|
3217 return frame_size_valid_p (frame, rows, cols);
|
|
|
3218 }
|
|
|
3219
|
|
428
|
3220 /* If *ROWS or *COLS are too small a size for FRAME, set them to the
|
|
|
3221 minimum allowable size. */
|
|
|
3222 void
|
|
|
3223 check_frame_size (struct frame *frame, int *rows, int *cols)
|
|
|
3224 {
|
|
440
|
3225 int min_height = frame_min_height (frame);
|
|
428
|
3226
|
|
|
3227 if (*rows < min_height)
|
|
|
3228 *rows = min_height;
|
|
|
3229 if (*cols < MIN_SAFE_WINDOW_WIDTH)
|
|
|
3230 *cols = MIN_SAFE_WINDOW_WIDTH;
|
|
|
3231 }
|
|
|
3232
|
|
|
3233 /* Normally the window is deleted if it gets too small.
|
|
|
3234 nodelete nonzero means do not do this.
|
|
|
3235 (The caller should check later and do so if appropriate) */
|
|
|
3236 static void
|
|
|
3237 set_window_pixsize (Lisp_Object window, int new_pixsize, int nodelete,
|
|
|
3238 int set_height)
|
|
|
3239 {
|
|
|
3240 struct window *w = XWINDOW (window);
|
|
|
3241 struct frame *f = XFRAME (w->frame);
|
|
|
3242 struct window *c;
|
|
|
3243 int old_pixsize = (set_height ? WINDOW_HEIGHT (w) : WINDOW_WIDTH (w));
|
|
|
3244 Lisp_Object child, minor_kid, major_kid;
|
|
|
3245 int minsize;
|
|
|
3246 int line_size;
|
|
|
3247 int defheight, defwidth;
|
|
|
3248
|
|
|
3249 /* #### This is very likely incorrect and instead the char_to_pixel_
|
|
|
3250 functions should be called. */
|
|
|
3251 default_face_height_and_width (window, &defheight, &defwidth);
|
|
|
3252 line_size = (set_height ? defheight : defwidth);
|
|
|
3253
|
|
|
3254 check_min_window_sizes ();
|
|
|
3255
|
|
|
3256 minsize = (set_height ? window_min_height : window_min_width);
|
|
|
3257 minsize *= line_size;
|
|
|
3258
|
|
|
3259 if (!nodelete
|
|
|
3260 && !TOP_LEVEL_WINDOW_P (w)
|
|
|
3261 && new_pixsize < minsize)
|
|
|
3262 {
|
|
|
3263 Fdelete_window (window, Qnil);
|
|
|
3264 return;
|
|
|
3265 }
|
|
|
3266
|
|
|
3267 SET_LAST_MODIFIED (w, 0);
|
|
|
3268 SET_LAST_FACECHANGE (w);
|
|
|
3269 MARK_FRAME_WINDOWS_STRUCTURE_CHANGED (f); /* multiple windows affected */
|
|
|
3270 if (set_height)
|
|
|
3271 {
|
|
|
3272 WINDOW_HEIGHT (w) = new_pixsize;
|
|
|
3273 major_kid = w->vchild;
|
|
|
3274 minor_kid = w->hchild;
|
|
|
3275 }
|
|
|
3276 else
|
|
|
3277 {
|
|
|
3278 WINDOW_WIDTH (w) = new_pixsize;
|
|
|
3279 major_kid = w->hchild;
|
|
|
3280 minor_kid = w->vchild;
|
|
|
3281 }
|
|
|
3282
|
|
|
3283 if (!NILP (minor_kid))
|
|
|
3284 {
|
|
|
3285 for (child = minor_kid; !NILP (child); child = XWINDOW (child)->next)
|
|
|
3286 {
|
|
|
3287 if (set_height)
|
|
|
3288 WINDOW_TOP (XWINDOW (child)) = WINDOW_TOP (w);
|
|
|
3289 else
|
|
|
3290 WINDOW_LEFT (XWINDOW (child)) = WINDOW_LEFT (w);
|
|
|
3291
|
|
|
3292 set_window_pixsize (child, new_pixsize, nodelete, set_height);
|
|
|
3293 }
|
|
|
3294 }
|
|
|
3295 else if (!NILP (major_kid))
|
|
|
3296 {
|
|
|
3297 int last_pos, last_old_pos, pos, old_pos, first;
|
|
|
3298 int pixel_adj_left = new_pixsize - old_pixsize;
|
|
|
3299 int div_val = old_pixsize << 1;
|
|
|
3300
|
|
|
3301 /*
|
|
|
3302 * Previously we bailed out here if there was no size change.
|
|
|
3303 * (pixel_adj_left == 0) But this broke toolbar updates. If a
|
|
|
3304 * toolbar appears or disappears, windows may not change size,
|
|
|
3305 * but their top and left coordinates need to be updated.
|
|
|
3306 *
|
|
|
3307 * So we don't bail until after the loop below.
|
|
|
3308 */
|
|
|
3309
|
|
|
3310 last_pos = first = (set_height ? WINDOW_TOP (w) : WINDOW_LEFT (w));
|
|
|
3311 last_old_pos = 0;
|
|
|
3312
|
|
|
3313 for (child = major_kid; !NILP (child); child = c->next)
|
|
|
3314 {
|
|
|
3315 c = XWINDOW (child);
|
|
|
3316
|
|
|
3317 if (set_height)
|
|
|
3318 {
|
|
|
3319 old_pos = last_old_pos + WINDOW_HEIGHT (c);
|
|
|
3320 WINDOW_TOP (c) = last_pos;
|
|
|
3321 }
|
|
|
3322 else
|
|
|
3323 {
|
|
|
3324 old_pos = last_old_pos + WINDOW_WIDTH (c);
|
|
|
3325 WINDOW_LEFT (c) = last_pos;
|
|
|
3326 }
|
|
|
3327
|
|
|
3328 pos = (((old_pos * new_pixsize) << 1) + old_pixsize) / div_val;
|
|
|
3329 /* All but the last window should have a height which is
|
|
|
3330 a multiple of the default line height. */
|
|
|
3331 if (!NILP (c->next))
|
|
|
3332 pos = (pos / line_size) * line_size;
|
|
|
3333
|
|
|
3334 /* Avoid confusion: don't delete child if it becomes too small */
|
|
|
3335 set_window_pixsize (child, pos + first - last_pos, 1, set_height);
|
|
|
3336
|
|
|
3337 last_pos = pos + first;
|
|
|
3338 last_old_pos = old_pos;
|
|
|
3339 }
|
|
|
3340
|
|
|
3341 /* Sometimes we may get called with our old size. In that case
|
|
|
3342 we don't need to do anything else. */
|
|
|
3343 if (!pixel_adj_left)
|
|
|
3344 return;
|
|
|
3345
|
|
|
3346 /* Now delete any children that became too small. */
|
|
|
3347 if (!nodelete)
|
|
|
3348 for (child = major_kid; !NILP (child); child = XWINDOW (child)->next)
|
|
|
3349 {
|
|
|
3350 if (set_height)
|
|
|
3351 set_window_pixheight (child, WINDOW_HEIGHT (XWINDOW (child)), 0);
|
|
|
3352 else
|
|
|
3353 set_window_pixwidth (child, WINDOW_WIDTH (XWINDOW (child)), 0);
|
|
|
3354 }
|
|
|
3355 }
|
|
|
3356 }
|
|
|
3357
|
|
|
3358 /* Set the height of WINDOW and all its inferiors. */
|
|
|
3359 void
|
|
|
3360 set_window_pixheight (Lisp_Object window, int new_pixheight, int nodelete)
|
|
|
3361 {
|
|
|
3362 set_window_pixsize (window, new_pixheight, nodelete, 1);
|
|
|
3363 }
|
|
|
3364
|
|
|
3365 /* Recursively set width of WINDOW and its inferiors. */
|
|
|
3366 void
|
|
|
3367 set_window_pixwidth (Lisp_Object window, int new_pixwidth, int nodelete)
|
|
|
3368 {
|
|
|
3369 set_window_pixsize (window, new_pixwidth, nodelete, 0);
|
|
|
3370 }
|
|
|
3371
|
|
|
3372
|
|
|
3373 static int window_select_count;
|
|
|
3374
|
|
440
|
3375 DEFUN ("set-window-buffer", Fset_window_buffer, 2, 3, 0, /*
|
|
428
|
3376 Make WINDOW display BUFFER as its contents.
|
|
|
3377 BUFFER can be a buffer or buffer name.
|
|
440
|
3378
|
|
442
|
3379 With non-nil optional argument NORECORD, do not modify the
|
|
440
|
3380 global or per-frame buffer ordering.
|
|
428
|
3381 */
|
|
440
|
3382 (window, buffer, norecord))
|
|
428
|
3383 {
|
|
|
3384 Lisp_Object tem;
|
|
|
3385 struct window *w = decode_window (window);
|
|
448
|
3386 int old_buffer_local_face_property = 0;
|
|
428
|
3387
|
|
|
3388 buffer = Fget_buffer (buffer);
|
|
|
3389 CHECK_BUFFER (buffer);
|
|
|
3390
|
|
|
3391 if (!BUFFER_LIVE_P (XBUFFER (buffer)))
|
|
|
3392 error ("Attempt to display deleted buffer");
|
|
|
3393
|
|
|
3394 tem = w->buffer;
|
|
|
3395 if (NILP (tem))
|
|
|
3396 error ("Window is deleted");
|
|
|
3397
|
|
|
3398 /* While this seems like a logical thing to do, it causes problems
|
|
|
3399 because of saved window configurations. It is possible for a
|
|
|
3400 buffer to get restored into a window in which it is already being
|
|
|
3401 displayed, but start and point are actually at completely
|
|
|
3402 different locations. So we let this function complete fully and
|
|
|
3403 it will then make sure redisplay correctly updates things.
|
|
|
3404
|
|
|
3405 #### This is a kludge. The correct approach is not to do this
|
|
|
3406 but to fix set-window-configuration. */
|
|
|
3407 #if 0
|
|
|
3408 else if (EQ (tem, buffer))
|
|
|
3409 return Qnil;
|
|
|
3410 #endif
|
|
|
3411 else if (! EQ (tem, Qt)) /* w->buffer is t when the window
|
|
|
3412 is first being set up. */
|
|
|
3413 {
|
|
|
3414 if (!NILP (w->dedicated) && !EQ (tem, buffer))
|
|
|
3415 error ("Window is dedicated to buffer %s",
|
|
|
3416 XSTRING_DATA (XBUFFER (tem)->name));
|
|
|
3417
|
|
448
|
3418 old_buffer_local_face_property =
|
|
|
3419 XBUFFER (w->buffer)->buffer_local_face_property;
|
|
428
|
3420 unshow_buffer (w);
|
|
|
3421 }
|
|
|
3422
|
|
|
3423 w->buffer = buffer;
|
|
|
3424 w->window_end_pos[CURRENT_DISP] = 0;
|
|
|
3425 w->hscroll = 0;
|
|
|
3426 w->modeline_hscroll = 0;
|
|
|
3427 Fset_marker (w->pointm[CURRENT_DISP],
|
|
|
3428 make_int (BUF_PT (XBUFFER (buffer))),
|
|
|
3429 buffer);
|
|
|
3430 set_marker_restricted (w->start[CURRENT_DISP],
|
|
|
3431 make_int (XBUFFER (buffer)->last_window_start),
|
|
|
3432 buffer);
|
|
|
3433 Fset_marker (w->sb_point, w->start[CURRENT_DISP], buffer);
|
|
|
3434 /* set start_at_line_beg correctly. GE */
|
|
|
3435 w->start_at_line_beg = beginning_of_line_p (XBUFFER (buffer),
|
|
|
3436 marker_position (w->start[CURRENT_DISP]));
|
|
|
3437 w->force_start = 0; /* Lucid fix */
|
|
|
3438 SET_LAST_MODIFIED (w, 1);
|
|
|
3439 SET_LAST_FACECHANGE (w);
|
|
|
3440 MARK_WINDOWS_CHANGED (w);
|
|
448
|
3441 {
|
|
|
3442 int new_buffer_local_face_property =
|
|
|
3443 XBUFFER (w->buffer)->buffer_local_face_property;
|
|
|
3444
|
|
|
3445 if (new_buffer_local_face_property
|
|
|
3446 || new_buffer_local_face_property != old_buffer_local_face_property)
|
|
|
3447 MARK_WINDOW_FACES_CHANGED (w);
|
|
|
3448 }
|
|
428
|
3449 recompute_all_cached_specifiers_in_window (w);
|
|
|
3450 if (EQ (window, Fselected_window (Qnil)))
|
|
|
3451 {
|
|
440
|
3452 if (NILP (norecord))
|
|
|
3453 Frecord_buffer (buffer);
|
|
|
3454
|
|
428
|
3455 Fset_buffer (buffer);
|
|
|
3456 }
|
|
|
3457 return Qnil;
|
|
|
3458 }
|
|
|
3459
|
|
|
3460 DEFUN ("select-window", Fselect_window, 1, 2, 0, /*
|
|
|
3461 Select WINDOW. Most editing will apply to WINDOW's buffer.
|
|
|
3462 The main editor command loop selects the buffer of the selected window
|
|
|
3463 before each command.
|
|
|
3464
|
|
442
|
3465 With non-nil optional argument NORECORD, do not modify the
|
|
428
|
3466 global or per-frame buffer ordering.
|
|
|
3467 */
|
|
|
3468 (window, norecord))
|
|
|
3469 {
|
|
|
3470 struct window *w;
|
|
|
3471 Lisp_Object old_selected_window = Fselected_window (Qnil);
|
|
|
3472
|
|
|
3473 CHECK_LIVE_WINDOW (window);
|
|
|
3474 w = XWINDOW (window);
|
|
|
3475
|
|
|
3476 /* we have already caught dead-window errors */
|
|
|
3477 if (!NILP (w->hchild) || !NILP (w->vchild))
|
|
|
3478 error ("Trying to select non-leaf window");
|
|
|
3479
|
|
|
3480 w->use_time = make_int (++window_select_count);
|
|
442
|
3481
|
|
428
|
3482 if (EQ (window, old_selected_window))
|
|
|
3483 return window;
|
|
|
3484
|
|
|
3485 /* deselect the old window, if it exists (it might not exist if
|
|
|
3486 the selected device has no frames, which occurs at startup) */
|
|
|
3487 if (!NILP (old_selected_window))
|
|
|
3488 {
|
|
|
3489 struct window *ow = XWINDOW (old_selected_window);
|
|
|
3490
|
|
|
3491 Fset_marker (ow->pointm[CURRENT_DISP],
|
|
|
3492 make_int (BUF_PT (XBUFFER (ow->buffer))),
|
|
|
3493 ow->buffer);
|
|
|
3494
|
|
|
3495 MARK_WINDOWS_CHANGED (ow);
|
|
|
3496 }
|
|
|
3497
|
|
|
3498 /* now select the window's frame */
|
|
|
3499 set_frame_selected_window (XFRAME (WINDOW_FRAME (w)), window);
|
|
|
3500
|
|
|
3501 select_frame_1 (WINDOW_FRAME (w));
|
|
|
3502
|
|
|
3503 /* also select the window's buffer */
|
|
|
3504 if (NILP (norecord))
|
|
|
3505 Frecord_buffer (w->buffer);
|
|
|
3506 Fset_buffer (w->buffer);
|
|
|
3507
|
|
|
3508 /* Go to the point recorded in the window.
|
|
|
3509 This is important when the buffer is in more
|
|
|
3510 than one window. It also matters when
|
|
|
3511 redisplay_window has altered point after scrolling,
|
|
|
3512 because it makes the change only in the window. */
|
|
|
3513 {
|
|
|
3514 Bufpos new_point = marker_position (w->pointm[CURRENT_DISP]);
|
|
|
3515 if (new_point < BUF_BEGV (current_buffer))
|
|
|
3516 new_point = BUF_BEGV (current_buffer);
|
|
|
3517 else if (new_point > BUF_ZV (current_buffer))
|
|
|
3518 new_point = BUF_ZV (current_buffer);
|
|
|
3519
|
|
|
3520 BUF_SET_PT (current_buffer, new_point);
|
|
|
3521 }
|
|
|
3522
|
|
|
3523 MARK_WINDOWS_CHANGED (w);
|
|
|
3524
|
|
|
3525 return window;
|
|
|
3526 }
|
|
|
3527
|
|
|
3528 Lisp_Object
|
|
|
3529 display_buffer (Lisp_Object buffer, Lisp_Object not_this_window_p,
|
|
|
3530 Lisp_Object override_frame)
|
|
|
3531 {
|
|
|
3532 return call3 (Qdisplay_buffer, buffer, not_this_window_p, override_frame);
|
|
|
3533 }
|
|
|
3534
|
|
|
3535 void
|
|
|
3536 temp_output_buffer_show (Lisp_Object buf, Lisp_Object same_frame)
|
|
|
3537 {
|
|
|
3538 /* This function can GC */
|
|
|
3539 Lisp_Object window;
|
|
|
3540 struct window *w;
|
|
|
3541 struct buffer *b = XBUFFER (buf);
|
|
|
3542
|
|
|
3543 BUF_SAVE_MODIFF (XBUFFER (buf)) = BUF_MODIFF (b);
|
|
|
3544 widen_buffer (b, 0);
|
|
|
3545 BUF_SET_PT (b, BUF_BEG (b));
|
|
|
3546
|
|
|
3547 if (!NILP (Vtemp_buffer_show_function))
|
|
|
3548 call1 (Vtemp_buffer_show_function, buf);
|
|
|
3549 else
|
|
|
3550 {
|
|
|
3551 window = display_buffer (buf, Qnil, same_frame);
|
|
|
3552
|
|
|
3553 if (!EQ (XWINDOW (window)->frame, Fselected_frame (Qnil)))
|
|
|
3554 Fmake_frame_visible (WINDOW_FRAME (XWINDOW (window)));
|
|
|
3555
|
|
|
3556 Vminibuffer_scroll_window = window;
|
|
|
3557 w = XWINDOW (window);
|
|
|
3558 w->hscroll = 0;
|
|
|
3559 w->modeline_hscroll = 0;
|
|
|
3560 set_marker_restricted (w->start[CURRENT_DISP], make_int (1), buf);
|
|
|
3561 set_marker_restricted (w->pointm[CURRENT_DISP], make_int (1), buf);
|
|
|
3562 set_marker_restricted (w->sb_point, make_int (1), buf);
|
|
|
3563
|
|
|
3564 /* Run temp-buffer-show-hook, with the chosen window selected. */
|
|
|
3565 if (!preparing_for_armageddon)
|
|
|
3566 {
|
|
|
3567 Lisp_Object tem;
|
|
|
3568 tem = Fboundp (Qtemp_buffer_show_hook);
|
|
|
3569 if (!NILP (tem))
|
|
|
3570 {
|
|
|
3571 tem = Fsymbol_value (Qtemp_buffer_show_hook);
|
|
|
3572 if (!NILP (tem))
|
|
|
3573 {
|
|
|
3574 int count = specpdl_depth ();
|
|
|
3575
|
|
|
3576 /* Select the window that was chosen, for running
|
|
|
3577 the hook. */
|
|
|
3578 record_unwind_protect (save_window_excursion_unwind,
|
|
|
3579 Fcurrent_window_configuration (Qnil));
|
|
|
3580
|
|
|
3581 Fselect_window (window, Qnil);
|
|
|
3582 run_hook (Qtemp_buffer_show_hook);
|
|
|
3583 unbind_to (count, Qnil);
|
|
|
3584 }
|
|
|
3585 }
|
|
|
3586 }
|
|
|
3587 }
|
|
|
3588 }
|
|
|
3589
|
|
|
3590 static void
|
|
|
3591 make_dummy_parent (Lisp_Object window)
|
|
|
3592 {
|
|
|
3593 Lisp_Object new;
|
|
|
3594 struct window *o = XWINDOW (window);
|
|
|
3595 struct window *p = alloc_lcrecord_type (struct window, &lrecord_window);
|
|
|
3596
|
|
|
3597 XSETWINDOW (new, p);
|
|
|
3598 copy_lcrecord (p, o);
|
|
|
3599
|
|
|
3600 /* Don't copy the pointers to the line start cache or the face
|
|
|
3601 instances. */
|
|
|
3602 p->line_start_cache = Dynarr_new (line_start_cache);
|
|
|
3603 p->face_cachels = Dynarr_new (face_cachel);
|
|
|
3604 p->glyph_cachels = Dynarr_new (glyph_cachel);
|
|
442
|
3605 p->subwindow_instance_cache =
|
|
450
|
3606 make_image_instance_cache_hash_table ();
|
|
428
|
3607
|
|
|
3608 /* Put new into window structure in place of window */
|
|
|
3609 replace_window (window, new);
|
|
|
3610
|
|
|
3611 o->next = Qnil;
|
|
|
3612 o->prev = Qnil;
|
|
|
3613 o->vchild = Qnil;
|
|
|
3614 o->hchild = Qnil;
|
|
|
3615 o->parent = new;
|
|
|
3616
|
|
|
3617 p->start[CURRENT_DISP] = Qnil;
|
|
|
3618 p->start[DESIRED_DISP] = Qnil;
|
|
|
3619 p->start[CMOTION_DISP] = Qnil;
|
|
|
3620 p->pointm[CURRENT_DISP] = Qnil;
|
|
|
3621 p->pointm[DESIRED_DISP] = Qnil;
|
|
|
3622 p->pointm[CMOTION_DISP] = Qnil;
|
|
|
3623 p->sb_point = Qnil;
|
|
|
3624 p->buffer = Qnil;
|
|
|
3625 }
|
|
|
3626
|
|
|
3627 DEFUN ("split-window", Fsplit_window, 0, 3, "", /*
|
|
|
3628 Split WINDOW, putting SIZE lines in the first of the pair.
|
|
444
|
3629 WINDOW defaults to the selected one and SIZE to half its size.
|
|
442
|
3630 If optional third arg HORFLAG is non-nil, split side by side
|
|
428
|
3631 and put SIZE columns in the first of the pair.
|
|
|
3632 */
|
|
444
|
3633 (window, size, horflag))
|
|
428
|
3634 {
|
|
|
3635 Lisp_Object new;
|
|
|
3636 struct window *o, *p;
|
|
|
3637 struct frame *f;
|
|
444
|
3638 int csize;
|
|
428
|
3639 int psize;
|
|
|
3640
|
|
|
3641 if (NILP (window))
|
|
|
3642 window = Fselected_window (Qnil);
|
|
|
3643 else
|
|
|
3644 CHECK_LIVE_WINDOW (window);
|
|
|
3645
|
|
|
3646 o = XWINDOW (window);
|
|
|
3647 f = XFRAME (WINDOW_FRAME (o));
|
|
|
3648
|
|
444
|
3649 if (NILP (size))
|
|
428
|
3650 {
|
|
|
3651 if (!NILP (horflag))
|
|
|
3652 /* In the new scheme, we are symmetric with respect to separators
|
|
|
3653 so there is no need to do weird things here. */
|
|
|
3654 {
|
|
|
3655 psize = WINDOW_WIDTH (o) >> 1;
|
|
444
|
3656 csize = window_pixel_width_to_char_width (o, psize, 0);
|
|
428
|
3657 }
|
|
|
3658 else
|
|
|
3659 {
|
|
|
3660 psize = WINDOW_HEIGHT (o) >> 1;
|
|
444
|
3661 csize = window_pixel_height_to_char_height (o, psize, 1);
|
|
428
|
3662 }
|
|
|
3663 }
|
|
|
3664 else
|
|
|
3665 {
|
|
444
|
3666 CHECK_INT (size);
|
|
|
3667 csize = XINT (size);
|
|
428
|
3668 if (!NILP (horflag))
|
|
444
|
3669 psize = window_char_width_to_pixel_width (o, csize, 0);
|
|
428
|
3670 else
|
|
444
|
3671 psize = window_char_height_to_pixel_height (o, csize, 1);
|
|
428
|
3672 }
|
|
|
3673
|
|
|
3674 if (MINI_WINDOW_P (o))
|
|
|
3675 error ("Attempt to split minibuffer window");
|
|
|
3676 else if (FRAME_NO_SPLIT_P (XFRAME (WINDOW_FRAME (o))))
|
|
|
3677 error ("Attempt to split unsplittable frame");
|
|
|
3678
|
|
|
3679 check_min_window_sizes ();
|
|
|
3680
|
|
|
3681 if (NILP (horflag))
|
|
|
3682 {
|
|
444
|
3683 if (csize < window_min_height)
|
|
|
3684 error ("Window height %d too small (after splitting)", csize);
|
|
|
3685 if (csize + window_min_height > window_char_height (o, 1))
|
|
428
|
3686 error ("Window height %d too small (after splitting)",
|
|
444
|
3687 window_char_height (o, 1) - csize);
|
|
428
|
3688 if (NILP (o->parent)
|
|
|
3689 || NILP (XWINDOW (o->parent)->vchild))
|
|
|
3690 {
|
|
|
3691 make_dummy_parent (window);
|
|
448
|
3692 #if 0
|
|
|
3693 /* #### I can't understand why you have to reset face
|
|
|
3694 cachels here. This can cause crash so let's disable it
|
|
|
3695 and see the difference. See redisplay-tests.el --yh */
|
|
428
|
3696 reset_face_cachels (XWINDOW (window));
|
|
448
|
3697 #endif
|
|
428
|
3698 new = o->parent;
|
|
|
3699 XWINDOW (new)->vchild = window;
|
|
|
3700 XFRAME (o->frame)->mirror_dirty = 1;
|
|
|
3701 }
|
|
|
3702 }
|
|
|
3703 else
|
|
|
3704 {
|
|
444
|
3705 if (csize < window_min_width)
|
|
|
3706 error ("Window width %d too small (after splitting)", csize);
|
|
|
3707 if (csize + window_min_width > window_char_width (o, 0))
|
|
428
|
3708 error ("Window width %d too small (after splitting)",
|
|
444
|
3709 window_char_width (o, 0) - csize);
|
|
428
|
3710 if (NILP (o->parent)
|
|
|
3711 || NILP (XWINDOW (o->parent)->hchild))
|
|
|
3712 {
|
|
|
3713 make_dummy_parent (window);
|
|
448
|
3714 #if 0
|
|
|
3715 /* #### See above. */
|
|
428
|
3716 reset_face_cachels (XWINDOW (window));
|
|
448
|
3717 #endif
|
|
428
|
3718 new = o->parent;
|
|
|
3719 XWINDOW (new)->hchild = window;
|
|
|
3720 XFRAME (o->frame)->mirror_dirty = 1;
|
|
|
3721 }
|
|
|
3722 }
|
|
|
3723
|
|
|
3724 /* Now we know that window's parent is a vertical combination
|
|
|
3725 if we are dividing vertically, or a horizontal combination
|
|
|
3726 if we are making side-by-side windows */
|
|
|
3727
|
|
|
3728 MARK_FRAME_WINDOWS_STRUCTURE_CHANGED (f);
|
|
|
3729 new = allocate_window ();
|
|
|
3730 p = XWINDOW (new);
|
|
|
3731
|
|
|
3732 p->frame = o->frame;
|
|
|
3733 p->next = o->next;
|
|
|
3734 if (!NILP (p->next))
|
|
|
3735 XWINDOW (p->next)->prev = new;
|
|
|
3736 p->prev = window;
|
|
|
3737 o->next = new;
|
|
|
3738 p->parent = o->parent;
|
|
|
3739 p->buffer = Qt;
|
|
|
3740
|
|
|
3741 reset_face_cachels (p);
|
|
|
3742 reset_glyph_cachels (p);
|
|
|
3743
|
|
|
3744
|
|
|
3745 /* Apportion the available frame space among the two new windows */
|
|
|
3746
|
|
|
3747 if (!NILP (horflag))
|
|
|
3748 {
|
|
|
3749 WINDOW_HEIGHT (p) = WINDOW_HEIGHT (o);
|
|
|
3750 WINDOW_TOP (p) = WINDOW_TOP (o);
|
|
|
3751 WINDOW_WIDTH (p) = WINDOW_WIDTH (o) - psize;
|
|
|
3752 WINDOW_WIDTH (o) = psize;
|
|
|
3753 WINDOW_LEFT (p) = WINDOW_LEFT (o) + psize;
|
|
|
3754 }
|
|
|
3755 else
|
|
|
3756 {
|
|
|
3757 WINDOW_LEFT (p) = WINDOW_LEFT (o);
|
|
|
3758 WINDOW_WIDTH (p) = WINDOW_WIDTH (o);
|
|
|
3759 WINDOW_HEIGHT (p) = WINDOW_HEIGHT (o) - psize;
|
|
|
3760 WINDOW_HEIGHT (o) = psize;
|
|
|
3761 WINDOW_TOP (p) = WINDOW_TOP (o) + psize;
|
|
|
3762 }
|
|
|
3763
|
|
|
3764 XFRAME (p->frame)->mirror_dirty = 1;
|
|
|
3765 /* do this last (after the window is completely initialized and
|
|
|
3766 the mirror-dirty flag is set) so that specifier recomputation
|
|
|
3767 caused as a result of this will work properly and not abort. */
|
|
440
|
3768 Fset_window_buffer (new, o->buffer, Qt);
|
|
428
|
3769 return new;
|
|
|
3770 }
|
|
|
3771
|
|
|
3772
|
|
|
3773 DEFUN ("enlarge-window", Fenlarge_window, 1, 3, "_p", /*
|
|
444
|
3774 Make the selected window COUNT lines taller.
|
|
|
3775 From program, optional second arg HORIZONTALP non-nil means grow
|
|
|
3776 sideways COUNT columns, and optional third arg WINDOW specifies the
|
|
|
3777 window to change instead of the selected window.
|
|
428
|
3778 */
|
|
444
|
3779 (count, horizontalp, window))
|
|
|
3780 {
|
|
|
3781 CHECK_INT (count);
|
|
|
3782 change_window_height (window, XINT (count), horizontalp, /* inpixels */ 0);
|
|
428
|
3783 return Qnil;
|
|
|
3784 }
|
|
|
3785
|
|
|
3786 DEFUN ("enlarge-window-pixels", Fenlarge_window_pixels, 1, 3, "_p", /*
|
|
444
|
3787 Make the selected window COUNT pixels taller.
|
|
|
3788 From program, optional second arg HORIZONTALP non-nil means grow
|
|
|
3789 sideways COUNT pixels, and optional third arg WINDOW specifies the
|
|
|
3790 window to change instead of the selected window.
|
|
428
|
3791 */
|
|
444
|
3792 (count, horizontalp, window))
|
|
|
3793 {
|
|
|
3794 CHECK_INT (count);
|
|
|
3795 change_window_height (window, XINT (count), horizontalp, /* inpixels */ 1);
|
|
428
|
3796 return Qnil;
|
|
|
3797 }
|
|
|
3798
|
|
|
3799 DEFUN ("shrink-window", Fshrink_window, 1, 3, "_p", /*
|
|
444
|
3800 Make the selected window COUNT lines shorter.
|
|
|
3801 From program, optional second arg HORIZONTALP non-nil means shrink
|
|
|
3802 sideways COUNT columns, and optional third arg WINDOW specifies the
|
|
|
3803 window to change instead of the selected window.
|
|
428
|
3804 */
|
|
444
|
3805 (count, horizontalp, window))
|
|
|
3806 {
|
|
|
3807 CHECK_INT (count);
|
|
|
3808 change_window_height (window, -XINT (count), horizontalp, /* inpixels */ 0);
|
|
428
|
3809 return Qnil;
|
|
|
3810 }
|
|
|
3811
|
|
|
3812 DEFUN ("shrink-window-pixels", Fshrink_window_pixels, 1, 3, "_p", /*
|
|
444
|
3813 Make the selected window COUNT pixels smaller.
|
|
|
3814 From program, optional second arg HORIZONTALP non-nil means shrink
|
|
|
3815 sideways COUNT pixels, and optional third arg WINDOW specifies the
|
|
|
3816 window to change instead of the selected window.
|
|
428
|
3817 */
|
|
444
|
3818 (count, horizontalp, window))
|
|
|
3819 {
|
|
|
3820 CHECK_INT (count);
|
|
|
3821 change_window_height (window, -XINT (count), horizontalp, /* inpixels */ 1);
|
|
428
|
3822 return Qnil;
|
|
|
3823 }
|
|
|
3824
|
|
|
3825 static int
|
|
|
3826 window_pixel_height_to_char_height (struct window *w, int pixel_height,
|
|
|
3827 int include_gutters_p)
|
|
|
3828 {
|
|
|
3829 int avail_height;
|
|
|
3830 int defheight, defwidth;
|
|
|
3831 int char_height;
|
|
|
3832 Lisp_Object window;
|
|
|
3833
|
|
|
3834 XSETWINDOW (window, w);
|
|
|
3835
|
|
|
3836 avail_height = (pixel_height -
|
|
|
3837 (include_gutters_p ? 0 :
|
|
442
|
3838 window_top_window_gutter_height (w) +
|
|
|
3839 window_bottom_window_gutter_height (w)));
|
|
428
|
3840
|
|
|
3841 default_face_height_and_width (window, &defheight, &defwidth);
|
|
|
3842
|
|
|
3843 char_height = avail_height / defheight;
|
|
|
3844
|
|
|
3845 /* It's the calling function's responsibility to check these values
|
|
|
3846 and make sure they're not out of range.
|
|
|
3847
|
|
|
3848 #### We need to go through the calling functions and actually
|
|
|
3849 do this. */
|
|
|
3850 return max (0, char_height);
|
|
|
3851 }
|
|
|
3852
|
|
|
3853 static int
|
|
|
3854 window_char_height_to_pixel_height (struct window *w, int char_height,
|
|
|
3855 int include_gutters_p)
|
|
|
3856 {
|
|
|
3857 int avail_height;
|
|
|
3858 int defheight, defwidth;
|
|
|
3859 int pixel_height;
|
|
|
3860
|
|
|
3861 Lisp_Object window;
|
|
|
3862
|
|
|
3863 XSETWINDOW (window, w);
|
|
|
3864
|
|
|
3865 default_face_height_and_width (window, &defheight, &defwidth);
|
|
|
3866
|
|
|
3867 avail_height = char_height * defheight;
|
|
|
3868 pixel_height = (avail_height +
|
|
|
3869 (include_gutters_p ? 0 :
|
|
442
|
3870 window_top_window_gutter_height (w) +
|
|
|
3871 window_bottom_window_gutter_height (w)));
|
|
428
|
3872
|
|
|
3873 /* It's the calling function's responsibility to check these values
|
|
|
3874 and make sure they're not out of range.
|
|
|
3875
|
|
|
3876 #### We need to go through the calling functions and actually
|
|
|
3877 do this. */
|
|
|
3878 return max (0, pixel_height);
|
|
|
3879 }
|
|
|
3880
|
|
|
3881 /* Return number of default lines of text can fit in the window W.
|
|
|
3882 If INCLUDE_GUTTERS_P is 1, include "gutter" space (modeline plus
|
|
|
3883 horizontal scrollbar) in the space that is used for the calculation.
|
|
442
|
3884 This doesn't include space used by the frame gutters.
|
|
428
|
3885 */
|
|
|
3886 int
|
|
|
3887 window_char_height (struct window *w, int include_gutters_p)
|
|
|
3888 {
|
|
442
|
3889 return window_pixel_height_to_char_height (w, window_pixel_height (w),
|
|
428
|
3890 include_gutters_p);
|
|
|
3891 }
|
|
|
3892
|
|
|
3893 /*
|
|
|
3894 * Return number of lines currently displayed in window w. If
|
|
|
3895 * end-of-buffer is displayed then the area below end-of-buffer is assume
|
|
|
3896 * to be blank lines of default height.
|
|
|
3897 * Does not include the modeline.
|
|
|
3898 */
|
|
|
3899 int
|
|
|
3900 window_displayed_height (struct window *w)
|
|
|
3901 {
|
|
|
3902 struct buffer *b = XBUFFER (w->buffer);
|
|
|
3903 display_line_dynarr *dla = window_display_lines (w, CURRENT_DISP);
|
|
|
3904 int num_lines;
|
|
|
3905 Charcount end_pos = (BUF_Z (b) - w->window_end_pos[CURRENT_DISP] > BUF_ZV (b)
|
|
|
3906 ? -1
|
|
|
3907 : w->window_end_pos[CURRENT_DISP]);
|
|
|
3908
|
|
|
3909 if (!Dynarr_length (dla))
|
|
|
3910 return window_char_height (w, 0);
|
|
|
3911
|
|
|
3912 num_lines = Dynarr_length (dla);
|
|
|
3913
|
|
|
3914 /* #### Document and assert somewhere that w->window_end_pos == -1
|
|
|
3915 indicates that end-of-buffer is being displayed. */
|
|
|
3916 if (end_pos == -1)
|
|
|
3917 {
|
|
|
3918 struct display_line *dl = Dynarr_atp (dla, 0);
|
|
|
3919 int ypos1 = dl->ypos + dl->descent;
|
|
|
3920 int ypos2 = WINDOW_TEXT_BOTTOM (w);
|
|
|
3921 Lisp_Object window;
|
|
|
3922 int defheight, defwidth;
|
|
|
3923
|
|
|
3924 XSETWINDOW (window, w);
|
|
|
3925
|
|
|
3926 if (dl->modeline)
|
|
|
3927 {
|
|
|
3928 num_lines--;
|
|
|
3929
|
|
|
3930 if (Dynarr_length (dla) == 1)
|
|
|
3931 ypos1 = WINDOW_TEXT_TOP (w);
|
|
|
3932 else
|
|
|
3933 {
|
|
|
3934 dl = Dynarr_atp (dla, Dynarr_length (dla) - 1);
|
|
|
3935 /* If this line is clipped then we know that there is no
|
|
|
3936 blank room between eob and the modeline. If we are
|
|
|
3937 scrolling on clipped lines just know off the clipped
|
|
|
3938 line and return .*/
|
|
|
3939 if (scroll_on_clipped_lines && dl->clip)
|
|
|
3940 return num_lines - 1;
|
|
|
3941 ypos1 = dl->ypos + dl->descent - dl->clip;
|
|
|
3942 }
|
|
|
3943 }
|
|
|
3944
|
|
|
3945 default_face_height_and_width (window, &defheight, &defwidth);
|
|
|
3946 /* #### This probably needs to know about the clipping area once a
|
|
|
3947 final definition is decided on. */
|
|
|
3948 num_lines += ((ypos2 - ypos1) / defheight);
|
|
|
3949 }
|
|
|
3950 else
|
|
|
3951 {
|
|
|
3952 if (num_lines > 1 && Dynarr_atp (dla, 0)->modeline)
|
|
|
3953 num_lines--;
|
|
|
3954
|
|
|
3955 if (scroll_on_clipped_lines
|
|
|
3956 && Dynarr_atp (dla, Dynarr_length (dla) - 1)->clip)
|
|
|
3957 num_lines--;
|
|
|
3958 }
|
|
|
3959
|
|
|
3960 return num_lines;
|
|
|
3961 }
|
|
|
3962
|
|
|
3963 static int
|
|
|
3964 window_pixel_width (Lisp_Object window)
|
|
|
3965 {
|
|
|
3966 return WINDOW_WIDTH (XWINDOW (window));
|
|
|
3967 }
|
|
|
3968
|
|
442
|
3969 /* Calculate the pixel of a window, optionally including margin space
|
|
|
3970 but no vertical gutters. */
|
|
428
|
3971 static int
|
|
|
3972 window_pixel_width_to_char_width (struct window *w, int pixel_width,
|
|
|
3973 int include_margins_p)
|
|
|
3974 {
|
|
|
3975 int avail_width;
|
|
|
3976 int char_width;
|
|
|
3977 int defheight, defwidth;
|
|
|
3978 Lisp_Object window;
|
|
|
3979
|
|
|
3980 XSETWINDOW (window, w);
|
|
|
3981
|
|
|
3982 avail_width = (pixel_width -
|
|
|
3983 window_left_gutter_width (w, 0) -
|
|
|
3984 window_right_gutter_width (w, 0) -
|
|
|
3985 (include_margins_p ? 0 : window_left_margin_width (w)) -
|
|
|
3986 (include_margins_p ? 0 : window_right_margin_width (w)));
|
|
|
3987
|
|
|
3988 default_face_height_and_width (window, &defheight, &defwidth);
|
|
|
3989
|
|
|
3990 char_width = (avail_width / defwidth);
|
|
|
3991
|
|
|
3992 /* It's the calling function's responsibility to check these values
|
|
|
3993 and make sure they're not out of range.
|
|
|
3994
|
|
|
3995 #### We need to go through the calling functions and actually
|
|
|
3996 do this. */
|
|
|
3997 return max (0, char_width);
|
|
|
3998 }
|
|
|
3999
|
|
|
4000 static int
|
|
|
4001 window_char_width_to_pixel_width (struct window *w, int char_width,
|
|
|
4002 int include_margins_p)
|
|
|
4003 {
|
|
|
4004 int avail_width;
|
|
|
4005 int pixel_width;
|
|
|
4006 int defheight, defwidth;
|
|
|
4007 Lisp_Object window;
|
|
|
4008
|
|
|
4009 XSETWINDOW (window, w);
|
|
|
4010
|
|
|
4011 default_face_height_and_width (window, &defheight, &defwidth);
|
|
|
4012
|
|
|
4013 avail_width = char_width * defwidth;
|
|
|
4014 pixel_width = (avail_width +
|
|
442
|
4015 window_left_window_gutter_width (w, 0) +
|
|
|
4016 window_right_window_gutter_width (w, 0) +
|
|
428
|
4017 (include_margins_p ? 0 : window_left_margin_width (w)) +
|
|
|
4018 (include_margins_p ? 0 : window_right_margin_width (w)));
|
|
|
4019
|
|
|
4020 /* It's the calling function's responsibility to check these values
|
|
|
4021 and make sure they're not out of range.
|
|
|
4022
|
|
|
4023 #### We need to go through the calling functions and actually
|
|
|
4024 do this. */
|
|
|
4025 return max (0, pixel_width);
|
|
|
4026 }
|
|
|
4027
|
|
|
4028 /* This returns the usable space which doesn't include space needed by
|
|
|
4029 scrollbars or divider lines. */
|
|
|
4030 int
|
|
|
4031 window_char_width (struct window *w, int include_margins_p)
|
|
|
4032 {
|
|
|
4033 return window_pixel_width_to_char_width (w, WINDOW_WIDTH (w),
|
|
|
4034 include_margins_p);
|
|
|
4035 }
|
|
|
4036
|
|
|
4037 #define MINSIZE(w) \
|
|
|
4038 (widthflag \
|
|
|
4039 ? window_min_width * defwidth \
|
|
|
4040 : (defheight * (MINI_WINDOW_P (XWINDOW (w)) ? 1 : window_min_height)))
|
|
|
4041
|
|
|
4042 #define CURBEG(w) \
|
|
|
4043 *(widthflag ? (int *) &WINDOW_LEFT (w) : (int *) &WINDOW_TOP (w))
|
|
|
4044
|
|
|
4045 #define CURSIZE(w) \
|
|
|
4046 *(widthflag ? (int *) &WINDOW_WIDTH (w) : (int *) &WINDOW_HEIGHT (w))
|
|
|
4047
|
|
|
4048 #define CURCHARSIZE(w) \
|
|
|
4049 (widthflag ? window_char_width (w, 0) : window_char_height (w, 1))
|
|
|
4050
|
|
|
4051 #define MINCHARSIZE(window) \
|
|
|
4052 (widthflag ? window_min_width : MINI_WINDOW_P (XWINDOW (window)) \
|
|
|
4053 ? 1 : window_min_height)
|
|
|
4054
|
|
442
|
4055 static int
|
|
|
4056 window_pixheight (Lisp_Object w)
|
|
|
4057 {
|
|
|
4058 return window_pixel_height (XWINDOW (w));
|
|
|
4059 }
|
|
|
4060
|
|
428
|
4061 /* Unlike set_window_pixheight, this function
|
|
|
4062 also changes the heights of the siblings so as to
|
|
|
4063 keep everything consistent. */
|
|
|
4064
|
|
|
4065 static void
|
|
444
|
4066 change_window_height (Lisp_Object window, int delta, Lisp_Object horizontalp,
|
|
428
|
4067 int inpixels)
|
|
|
4068 {
|
|
444
|
4069 struct window *win = decode_window (window);
|
|
|
4070 int widthflag = !NILP (horizontalp);
|
|
428
|
4071 Lisp_Object parent;
|
|
|
4072 struct window *w;
|
|
|
4073 struct frame *f;
|
|
|
4074 int *sizep;
|
|
|
4075 int (*sizefun) (Lisp_Object) = (widthflag
|
|
|
4076 ? window_pixel_width
|
|
442
|
4077 : window_pixheight);
|
|
428
|
4078 void (*setsizefun) (Lisp_Object, int, int) = (widthflag
|
|
|
4079 ? set_window_pixwidth
|
|
|
4080 : set_window_pixheight);
|
|
|
4081 int dim;
|
|
|
4082 int defheight, defwidth;
|
|
|
4083
|
|
|
4084 if (delta == 0)
|
|
|
4085 return;
|
|
|
4086
|
|
|
4087 check_min_window_sizes ();
|
|
|
4088
|
|
|
4089 XSETWINDOW (window, win);
|
|
|
4090 f = XFRAME (win->frame);
|
|
|
4091 if (EQ (window, FRAME_ROOT_WINDOW (f)))
|
|
|
4092 error ("Won't change only window");
|
|
|
4093
|
|
|
4094 /* #### This is very likely incorrect and instead the char_to_pixel_
|
|
|
4095 functions should be called. */
|
|
|
4096 default_face_height_and_width (window, &defheight, &defwidth);
|
|
|
4097
|
|
|
4098 while (1)
|
|
|
4099 {
|
|
|
4100 w = XWINDOW (window);
|
|
|
4101 parent = w->parent;
|
|
|
4102 if (NILP (parent))
|
|
|
4103 {
|
|
|
4104 if (widthflag)
|
|
|
4105 error ("No other window to side of this one");
|
|
|
4106 break;
|
|
|
4107 }
|
|
|
4108 if (widthflag
|
|
|
4109 ? !NILP (XWINDOW (parent)->hchild)
|
|
|
4110 : !NILP (XWINDOW (parent)->vchild))
|
|
|
4111 break;
|
|
|
4112 window = parent;
|
|
|
4113 }
|
|
|
4114
|
|
|
4115 sizep = &CURSIZE (w);
|
|
|
4116 dim = CURCHARSIZE (w);
|
|
|
4117
|
|
|
4118 if ((inpixels && (*sizep + delta) < MINSIZE (window)) ||
|
|
|
4119 (!inpixels && (dim + delta) < MINCHARSIZE (window)))
|
|
|
4120 {
|
|
|
4121 if (MINI_WINDOW_P (XWINDOW (window)))
|
|
|
4122 return;
|
|
|
4123 else if (!NILP (parent))
|
|
|
4124 {
|
|
|
4125 Fdelete_window (window, Qnil);
|
|
|
4126 return;
|
|
|
4127 }
|
|
|
4128 }
|
|
|
4129
|
|
|
4130 if (!inpixels)
|
|
|
4131 delta *= (widthflag ? defwidth : defheight);
|
|
|
4132
|
|
|
4133 {
|
|
|
4134 int maxdelta;
|
|
|
4135
|
|
|
4136 maxdelta = ((!NILP (parent))
|
|
|
4137 ? (*sizefun) (parent) - *sizep
|
|
|
4138 : ((!NILP (w->next))
|
|
|
4139 ? (*sizefun) (w->next) - MINSIZE (w->next)
|
|
|
4140 : ((!NILP (w->prev))
|
|
|
4141 ? (*sizefun) (w->prev) - MINSIZE (w->prev)
|
|
|
4142 /* This is a frame with only one window,
|
|
|
4143 a minibuffer-only or a minibufferless frame. */
|
|
|
4144 : (delta = 0))));
|
|
|
4145
|
|
|
4146 if (delta > maxdelta)
|
|
|
4147 /* This case traps trying to make the minibuffer
|
|
|
4148 the full frame, or make the only window aside from the
|
|
|
4149 minibuffer the full frame. */
|
|
|
4150 delta = maxdelta;
|
|
|
4151
|
|
|
4152 if (delta == 0)
|
|
|
4153 return;
|
|
|
4154
|
|
|
4155 #if 0 /* FSFmacs */
|
|
|
4156 /* #### Chuck: is this correct? */
|
|
|
4157 if (*sizep + delta < MINSIZE (window))
|
|
|
4158 {
|
|
|
4159 Fdelete_window (window);
|
|
|
4160 return;
|
|
|
4161 }
|
|
|
4162 #endif
|
|
|
4163 }
|
|
|
4164
|
|
|
4165 if (!NILP (w->next) &&
|
|
|
4166 (*sizefun) (w->next) - delta >= (int) MINSIZE (w->next))
|
|
|
4167 {
|
|
|
4168 CURBEG (XWINDOW (w->next)) += delta;
|
|
|
4169 (*setsizefun) (w->next, (*sizefun) (w->next) - delta, 0);
|
|
|
4170 (*setsizefun) (window, *sizep + delta, 0);
|
|
|
4171 }
|
|
|
4172 else if (!NILP (w->prev) &&
|
|
|
4173 (*sizefun) (w->prev) - delta >= (int) MINSIZE (w->prev))
|
|
|
4174 {
|
|
|
4175 (*setsizefun) (w->prev, (*sizefun) (w->prev) - delta, 0);
|
|
|
4176 CURBEG (w) -= delta;
|
|
|
4177 (*setsizefun) (window, *sizep + delta, 0);
|
|
|
4178 }
|
|
|
4179 else
|
|
|
4180 {
|
|
|
4181 int delta1;
|
|
|
4182 int opht = (*sizefun) (parent);
|
|
|
4183
|
|
|
4184 /* If trying to grow this window to or beyond size of the parent,
|
|
|
4185 make delta1 so big that, on shrinking back down,
|
|
|
4186 all the siblings end up with less than one line and are deleted. */
|
|
|
4187 if (opht <= *sizep + delta)
|
|
|
4188 delta1 = opht * opht * 2;
|
|
|
4189 /* Otherwise, make delta1 just right so that if we add delta1
|
|
|
4190 lines to this window and to the parent, and then shrink
|
|
|
4191 the parent back to its original size, the new proportional
|
|
|
4192 size of this window will increase by delta. */
|
|
|
4193 else
|
|
|
4194 delta1 = (delta * opht * 100) / ((opht - *sizep - delta) * 100);
|
|
|
4195
|
|
|
4196 /* Add delta1 lines or columns to this window, and to the parent,
|
|
|
4197 keeping things consistent while not affecting siblings. */
|
|
|
4198 CURSIZE (XWINDOW (parent)) = opht + delta1;
|
|
|
4199 (*setsizefun) (window, *sizep + delta1, 0);
|
|
|
4200
|
|
|
4201 /* Squeeze out delta1 lines or columns from our parent,
|
|
|
4202 shrinking this window and siblings proportionately.
|
|
|
4203 This brings parent back to correct size.
|
|
|
4204 Delta1 was calculated so this makes this window the desired size,
|
|
|
4205 taking it all out of the siblings. */
|
|
|
4206 (*setsizefun) (parent, opht, 0);
|
|
|
4207 }
|
|
|
4208
|
|
|
4209 SET_LAST_MODIFIED (w, 0);
|
|
|
4210 SET_LAST_FACECHANGE (w);
|
|
|
4211 MARK_FRAME_WINDOWS_STRUCTURE_CHANGED (f);
|
|
|
4212 /* overkill maybe, but better to be correct */
|
|
|
4213 MARK_FRAME_GUTTERS_CHANGED (f);
|
|
|
4214 }
|
|
|
4215 #undef MINSIZE
|
|
|
4216 #undef CURBEG
|
|
|
4217 #undef CURSIZE
|
|
|
4218 #undef CURCHARSIZE
|
|
|
4219 #undef MINCHARSIZE
|
|
|
4220
|
|
|
4221
|
|
|
4222
|
|
444
|
4223 /* Scroll contents of window WINDOW up COUNT lines.
|
|
|
4224 If COUNT < (top line height / average line height) then we just adjust
|
|
|
4225 the top clip. */
|
|
428
|
4226 void
|
|
444
|
4227 window_scroll (Lisp_Object window, Lisp_Object count, int direction,
|
|
428
|
4228 Error_behavior errb)
|
|
|
4229 {
|
|
|
4230 struct window *w = XWINDOW (window);
|
|
|
4231 struct buffer *b = XBUFFER (w->buffer);
|
|
|
4232 int selected = EQ (window, Fselected_window (Qnil));
|
|
|
4233 int value = 0;
|
|
|
4234 Lisp_Object point, tem;
|
|
|
4235 display_line_dynarr *dla;
|
|
|
4236 int fheight, fwidth, modeline = 0;
|
|
|
4237 struct display_line* dl;
|
|
|
4238
|
|
|
4239 if (selected)
|
|
|
4240 point = make_int (BUF_PT (b));
|
|
|
4241 else
|
|
|
4242 {
|
|
|
4243 Bufpos pos = marker_position (w->pointm[CURRENT_DISP]);
|
|
|
4244
|
|
|
4245 if (pos < BUF_BEGV (b))
|
|
|
4246 pos = BUF_BEGV (b);
|
|
|
4247 else if (pos > BUF_ZV (b))
|
|
|
4248 pos = BUF_ZV (b);
|
|
|
4249
|
|
|
4250 point = make_int (pos);
|
|
|
4251 }
|
|
|
4252
|
|
|
4253 /* Always set force_start so that redisplay_window will run
|
|
|
4254 the window-scroll-functions. */
|
|
|
4255 w->force_start = 1;
|
|
|
4256
|
|
|
4257 /* #### When the fuck does this happen? I'm so glad that history has
|
|
|
4258 completely documented the behavior of the scrolling functions under
|
|
|
4259 all circumstances. */
|
|
|
4260 tem = Fpos_visible_in_window_p (point, window);
|
|
|
4261 if (NILP (tem))
|
|
|
4262 {
|
|
|
4263 Fvertical_motion (make_int (-window_char_height (w, 0) / 2),
|
|
|
4264 window, Qnil);
|
|
|
4265 Fset_marker (w->start[CURRENT_DISP], point, w->buffer);
|
|
|
4266 w->start_at_line_beg = beginning_of_line_p (b, XINT (point));
|
|
|
4267 WINDOW_TEXT_TOP_CLIP (w) = 0;
|
|
|
4268 MARK_WINDOWS_CHANGED (w);
|
|
|
4269 }
|
|
|
4270
|
|
444
|
4271 if (!NILP (count))
|
|
428
|
4272 {
|
|
444
|
4273 if (EQ (count, Qminus))
|
|
428
|
4274 direction *= -1;
|
|
|
4275 else
|
|
|
4276 {
|
|
444
|
4277 count = Fprefix_numeric_value (count);
|
|
|
4278 value = XINT (count) * direction;
|
|
428
|
4279
|
|
|
4280 if (!value)
|
|
|
4281 return; /* someone just made a pointless call */
|
|
|
4282 }
|
|
|
4283 }
|
|
|
4284
|
|
|
4285 /* If the user didn't specify how far to scroll then we have to figure it
|
|
|
4286 out by ourselves. */
|
|
444
|
4287 if (NILP (count) || EQ (count, Qminus))
|
|
428
|
4288 {
|
|
|
4289 /* Going forwards is easy. If that is what we are doing then just
|
|
|
4290 set value and the section which handles the user specifying a
|
|
|
4291 positive value will work. */
|
|
|
4292 if (direction == 1)
|
|
|
4293 {
|
|
|
4294 value = window_displayed_height (w) - next_screen_context_lines;
|
|
|
4295 value = (value < 1 ? 1 : value);
|
|
|
4296 }
|
|
|
4297
|
|
|
4298 /* Going backwards is hard. We can't use the same loop used if the
|
|
|
4299 user specified a negative value because we care about
|
|
|
4300 next_screen_context_lines. In a variable height world you don't
|
|
|
4301 know how many lines above you can actually be displayed and still
|
|
|
4302 have the context lines appear. So we leave value set to 0 and add
|
|
|
4303 a separate section to deal with this. */
|
|
|
4304
|
|
|
4305 }
|
|
|
4306
|
|
|
4307 if (direction == 1 && !value)
|
|
|
4308 {
|
|
|
4309 return;
|
|
|
4310 }
|
|
|
4311
|
|
|
4312 /* Determine parameters to test for partial line scrolling with. */
|
|
|
4313 dla = window_display_lines (w, CURRENT_DISP);
|
|
|
4314
|
|
|
4315 if (INTP (Vwindow_pixel_scroll_increment))
|
|
|
4316 fheight = XINT (Vwindow_pixel_scroll_increment);
|
|
440
|
4317 else if (!NILP (Vwindow_pixel_scroll_increment))
|
|
428
|
4318 default_face_height_and_width (window, &fheight, &fwidth);
|
|
438
|
4319
|
|
428
|
4320 if (Dynarr_length (dla) >= 1)
|
|
|
4321 modeline = Dynarr_atp (dla, 0)->modeline;
|
|
|
4322
|
|
|
4323 dl = Dynarr_atp (dla, modeline);
|
|
438
|
4324
|
|
428
|
4325 if (value > 0)
|
|
|
4326 {
|
|
|
4327 /* Go for partial display line scrolling. This just means bumping
|
|
|
4328 the clip by a reasonable amount and redisplaying, everything else
|
|
|
4329 remains unchanged. */
|
|
|
4330 if (!NILP (Vwindow_pixel_scroll_increment)
|
|
|
4331 &&
|
|
|
4332 Dynarr_length (dla) >= (1 + modeline)
|
|
|
4333 &&
|
|
458
|
4334 (dl->ascent - dl->top_clip) > fheight * value)
|
|
428
|
4335 {
|
|
|
4336 WINDOW_TEXT_TOP_CLIP (w) += value * fheight;
|
|
|
4337 MARK_WINDOWS_CHANGED (w);
|
|
|
4338 }
|
|
|
4339 else
|
|
|
4340 {
|
|
|
4341 int vtarget;
|
|
|
4342 Bufpos startp, old_start;
|
|
438
|
4343
|
|
428
|
4344 if (WINDOW_TEXT_TOP_CLIP (w))
|
|
|
4345 {
|
|
|
4346 WINDOW_TEXT_TOP_CLIP (w) = 0;
|
|
|
4347 MARK_WINDOWS_CHANGED (w);
|
|
|
4348 }
|
|
|
4349
|
|
|
4350 old_start = marker_position (w->start[CURRENT_DISP]);
|
|
|
4351 startp = vmotion (w, old_start, value, &vtarget);
|
|
438
|
4352
|
|
428
|
4353 if (vtarget < value &&
|
|
|
4354 (w->window_end_pos[CURRENT_DISP] == -1
|
|
|
4355 || (BUF_Z (b) - w->window_end_pos[CURRENT_DISP] > BUF_ZV (b))))
|
|
|
4356 {
|
|
|
4357 maybe_signal_error (Qend_of_buffer, Qnil, Qwindow, errb);
|
|
|
4358 return;
|
|
|
4359 }
|
|
|
4360 else
|
|
|
4361 {
|
|
|
4362 set_marker_restricted (w->start[CURRENT_DISP], make_int (startp),
|
|
|
4363 w->buffer);
|
|
|
4364 w->force_start = 1;
|
|
|
4365 w->start_at_line_beg = beginning_of_line_p (b, startp);
|
|
|
4366 MARK_WINDOWS_CHANGED (w);
|
|
438
|
4367
|
|
428
|
4368 if (!point_would_be_visible (w, startp, XINT (point)))
|
|
|
4369 {
|
|
|
4370 if (selected)
|
|
|
4371 BUF_SET_PT (b, startp);
|
|
|
4372 else
|
|
|
4373 set_marker_restricted (w->pointm[CURRENT_DISP],
|
|
|
4374 make_int (startp),
|
|
|
4375 w->buffer);
|
|
|
4376 }
|
|
|
4377 }
|
|
|
4378 }
|
|
|
4379 }
|
|
|
4380 else if (value < 0)
|
|
|
4381 {
|
|
|
4382 /* Go for partial display line scrolling. This just means bumping
|
|
|
4383 the clip by a reasonable amount and redisplaying, everything else
|
|
|
4384 remains unchanged. */
|
|
|
4385 if (!NILP (Vwindow_pixel_scroll_increment)
|
|
|
4386 &&
|
|
|
4387 Dynarr_length (dla) >= (1 + modeline)
|
|
|
4388 &&
|
|
|
4389 (dl->ascent - dl->top_clip) - fheight * value <
|
|
|
4390 (dl->ascent + dl->descent - dl->clip)
|
|
|
4391 &&
|
|
|
4392 WINDOW_TEXT_TOP_CLIP (w) + value * fheight > 0)
|
|
|
4393 {
|
|
|
4394 WINDOW_TEXT_TOP_CLIP (w) += value * fheight;
|
|
|
4395 MARK_WINDOWS_CHANGED (w);
|
|
|
4396 }
|
|
|
4397 else
|
|
|
4398 {
|
|
|
4399 int vtarget;
|
|
|
4400 Bufpos startp, old_start;
|
|
438
|
4401
|
|
428
|
4402 if (WINDOW_TEXT_TOP_CLIP (w))
|
|
|
4403 {
|
|
|
4404 WINDOW_TEXT_TOP_CLIP (w) = 0;
|
|
|
4405 MARK_WINDOWS_CHANGED (w);
|
|
|
4406 }
|
|
438
|
4407
|
|
428
|
4408 old_start = marker_position (w->start[CURRENT_DISP]);
|
|
|
4409 startp = vmotion (w, old_start, value, &vtarget);
|
|
438
|
4410
|
|
428
|
4411 if (vtarget > value
|
|
|
4412 && marker_position (w->start[CURRENT_DISP]) == BUF_BEGV (b))
|
|
|
4413 {
|
|
|
4414 maybe_signal_error (Qbeginning_of_buffer, Qnil, Qwindow, errb);
|
|
|
4415 return;
|
|
|
4416 }
|
|
|
4417 else
|
|
|
4418 {
|
|
|
4419 set_marker_restricted (w->start[CURRENT_DISP], make_int (startp),
|
|
|
4420 w->buffer);
|
|
|
4421 w->force_start = 1;
|
|
|
4422 w->start_at_line_beg = beginning_of_line_p (b, startp);
|
|
|
4423 MARK_WINDOWS_CHANGED (w);
|
|
438
|
4424
|
|
440
|
4425 /* #### Scroll back by less than a line. This code was
|
|
|
4426 originally for scrolling over large pixmaps and it
|
|
|
4427 loses when a line being *exposed* at the top of the
|
|
|
4428 window is bigger than the current one. However, for
|
|
|
4429 pixel based scrolling in general we can guess that
|
|
|
4430 the line we are going to display is probably the same
|
|
|
4431 size as the one we are on. In that instance we can
|
|
|
4432 have a reasonable stab at a suitable top clip. Fixing
|
|
|
4433 this properly is hard (and probably slow) as we would
|
|
|
4434 have to call redisplay to figure out the exposed line
|
|
|
4435 size. */
|
|
|
4436 if (!NILP (Vwindow_pixel_scroll_increment)
|
|
|
4437 && Dynarr_length (dla) >= (1 + modeline)
|
|
|
4438 && dl->ascent + fheight * value > 0)
|
|
|
4439 {
|
|
|
4440 WINDOW_TEXT_TOP_CLIP (w) = (dl->ascent + fheight * value);
|
|
|
4441 }
|
|
|
4442
|
|
428
|
4443 if (!point_would_be_visible (w, startp, XINT (point)))
|
|
|
4444 {
|
|
|
4445 Bufpos new_point;
|
|
438
|
4446
|
|
428
|
4447 if (MINI_WINDOW_P (w))
|
|
|
4448 new_point = startp;
|
|
|
4449 else
|
|
|
4450 new_point = start_of_last_line (w, startp);
|
|
438
|
4451
|
|
428
|
4452 if (selected)
|
|
|
4453 BUF_SET_PT (b, new_point);
|
|
|
4454 else
|
|
|
4455 set_marker_restricted (w->pointm[CURRENT_DISP],
|
|
|
4456 make_int (new_point),
|
|
|
4457 w->buffer);
|
|
|
4458 }
|
|
|
4459 }
|
|
|
4460 }
|
|
|
4461 }
|
|
|
4462 else /* value == 0 && direction == -1 */
|
|
|
4463 {
|
|
|
4464 if (WINDOW_TEXT_TOP_CLIP (w))
|
|
|
4465 {
|
|
|
4466 WINDOW_TEXT_TOP_CLIP (w) = 0;
|
|
|
4467 MARK_WINDOWS_CHANGED (w);
|
|
|
4468 }
|
|
|
4469 if (marker_position (w->start[CURRENT_DISP]) == BUF_BEGV (b))
|
|
|
4470 {
|
|
|
4471 maybe_signal_error (Qbeginning_of_buffer, Qnil, Qwindow, errb);
|
|
|
4472 return;
|
|
|
4473 }
|
|
|
4474 else
|
|
|
4475 {
|
|
|
4476 int vtarget;
|
|
|
4477 int movement = next_screen_context_lines - 1;
|
|
|
4478 Bufpos old_startp = marker_position (w->start[CURRENT_DISP]);
|
|
|
4479 Bufpos bottom = vmotion (w, old_startp, movement, &vtarget);
|
|
|
4480 Bufpos startp =
|
|
|
4481 start_with_point_on_display_line (w, bottom,
|
|
|
4482 -1 - (movement - vtarget));
|
|
|
4483
|
|
|
4484 if (startp >= old_startp)
|
|
|
4485 startp = vmotion (w, old_startp, -1, NULL);
|
|
|
4486
|
|
|
4487 set_marker_restricted (w->start[CURRENT_DISP], make_int (startp),
|
|
|
4488 w->buffer);
|
|
|
4489 w->force_start = 1;
|
|
|
4490 w->start_at_line_beg = beginning_of_line_p (b, startp);
|
|
|
4491 MARK_WINDOWS_CHANGED (w);
|
|
|
4492
|
|
|
4493 if (!point_would_be_visible (w, startp, XINT (point)))
|
|
|
4494 {
|
|
|
4495 Bufpos new_point = start_of_last_line (w, startp);
|
|
|
4496
|
|
|
4497 if (selected)
|
|
|
4498 BUF_SET_PT (b, new_point);
|
|
|
4499 else
|
|
|
4500 set_marker_restricted (w->pointm[CURRENT_DISP],
|
|
|
4501 make_int (new_point),
|
|
|
4502 w->buffer);
|
|
|
4503 }
|
|
|
4504 }
|
|
|
4505 }
|
|
|
4506 }
|
|
|
4507
|
|
|
4508 DEFUN ("scroll-up", Fscroll_up, 0, 1, "_P", /*
|
|
444
|
4509 Scroll text of current window up COUNT lines; or near full screen if no arg.
|
|
428
|
4510 A near full screen is `next-screen-context-lines' less than a full screen.
|
|
444
|
4511 Negative COUNT means scroll downward.
|
|
428
|
4512 When calling from a program, supply an integer as argument or nil.
|
|
|
4513 On attempt to scroll past end of buffer, `end-of-buffer' is signaled.
|
|
|
4514 On attempt to scroll past beginning of buffer, `beginning-of-buffer' is
|
|
|
4515 signaled.
|
|
462
|
4516
|
|
|
4517 The characters that are moved over may be added to the current selection
|
|
|
4518 \(i.e. active region) if the Shift key is held down, a motion key is used
|
|
|
4519 to invoke this command, and `shifted-motion-keys-select-region' is t; see
|
|
|
4520 the documentation for this variable for more details.
|
|
428
|
4521 */
|
|
444
|
4522 (count))
|
|
|
4523 {
|
|
|
4524 window_scroll (Fselected_window (Qnil), count, 1, ERROR_ME);
|
|
428
|
4525 return Qnil;
|
|
|
4526 }
|
|
|
4527
|
|
|
4528 DEFUN ("scroll-down", Fscroll_down, 0, 1, "_P", /*
|
|
444
|
4529 Scroll text of current window down COUNT lines; or near full screen if no arg.
|
|
428
|
4530 A near full screen is `next-screen-context-lines' less than a full screen.
|
|
444
|
4531 Negative COUNT means scroll upward.
|
|
428
|
4532 When calling from a program, supply a number as argument or nil.
|
|
|
4533 On attempt to scroll past end of buffer, `end-of-buffer' is signaled.
|
|
|
4534 On attempt to scroll past beginning of buffer, `beginning-of-buffer' is
|
|
|
4535 signaled.
|
|
462
|
4536
|
|
|
4537 The characters that are moved over may be added to the current selection
|
|
|
4538 \(i.e. active region) if the Shift key is held down, a motion key is used
|
|
|
4539 to invoke this command, and `shifted-motion-keys-select-region' is t; see
|
|
|
4540 the documentation for this variable for more details.
|
|
428
|
4541 */
|
|
444
|
4542 (count))
|
|
|
4543 {
|
|
|
4544 window_scroll (Fselected_window (Qnil), count, -1, ERROR_ME);
|
|
428
|
4545 return Qnil;
|
|
|
4546 }
|
|
|
4547
|
|
|
4548 DEFUN ("other-window-for-scrolling", Fother_window_for_scrolling, 0, 0, 0, /*
|
|
|
4549 Return the other window for "other window scroll" commands.
|
|
|
4550 If in the minibuffer, `minibuffer-scroll-window' if non-nil
|
|
|
4551 specifies the window.
|
|
|
4552 If `other-window-scroll-buffer' is non-nil, a window
|
|
|
4553 showing that buffer is used.
|
|
|
4554 */
|
|
|
4555 ())
|
|
|
4556 {
|
|
|
4557 Lisp_Object window;
|
|
|
4558 Lisp_Object selected_window = Fselected_window (Qnil);
|
|
|
4559
|
|
|
4560 if (MINI_WINDOW_P (XWINDOW (selected_window))
|
|
|
4561 && !NILP (Vminibuffer_scroll_window))
|
|
|
4562 window = Vminibuffer_scroll_window;
|
|
|
4563 /* If buffer is specified, scroll that buffer. */
|
|
|
4564 else if (!NILP (Vother_window_scroll_buffer))
|
|
|
4565 {
|
|
|
4566 window = Fget_buffer_window (Vother_window_scroll_buffer, Qnil, Qnil);
|
|
|
4567 if (NILP (window))
|
|
|
4568 window = display_buffer (Vother_window_scroll_buffer, Qt, Qnil);
|
|
|
4569 }
|
|
|
4570 else
|
|
|
4571 {
|
|
|
4572 /* Nothing specified; look for a neighboring window on the same
|
|
|
4573 frame. */
|
|
|
4574 window = Fnext_window (selected_window, Qnil, Qnil, Qnil);
|
|
|
4575
|
|
|
4576 if (EQ (window, selected_window))
|
|
|
4577 /* That didn't get us anywhere; look for a window on another
|
|
|
4578 visible frame. */
|
|
|
4579 do
|
|
|
4580 window = Fnext_window (window, Qnil, Qt, Qnil);
|
|
|
4581 while (! FRAME_VISIBLE_P (XFRAME (WINDOW_FRAME (XWINDOW (window))))
|
|
|
4582 && ! EQ (window, selected_window));
|
|
|
4583 }
|
|
|
4584
|
|
|
4585 CHECK_LIVE_WINDOW (window);
|
|
|
4586
|
|
|
4587 if (EQ (window, selected_window))
|
|
|
4588 error ("There is no other window");
|
|
|
4589
|
|
|
4590 return window;
|
|
|
4591 }
|
|
|
4592
|
|
|
4593 DEFUN ("scroll-other-window", Fscroll_other_window, 0, 1, "_P", /*
|
|
444
|
4594 Scroll next window upward COUNT lines; or near full frame if no arg.
|
|
428
|
4595 The next window is the one below the current one; or the one at the top
|
|
444
|
4596 if the current one is at the bottom. Negative COUNT means scroll downward.
|
|
428
|
4597 When calling from a program, supply a number as argument or nil.
|
|
|
4598
|
|
|
4599 If in the minibuffer, `minibuffer-scroll-window' if non-nil
|
|
|
4600 specifies the window to scroll.
|
|
|
4601 If `other-window-scroll-buffer' is non-nil, scroll the window
|
|
|
4602 showing that buffer, popping the buffer up if necessary.
|
|
|
4603 */
|
|
444
|
4604 (count))
|
|
|
4605 {
|
|
|
4606 window_scroll (Fother_window_for_scrolling (), count, 1, ERROR_ME);
|
|
428
|
4607 return Qnil;
|
|
|
4608 }
|
|
|
4609
|
|
|
4610 DEFUN ("scroll-left", Fscroll_left, 0, 1, "_P", /*
|
|
444
|
4611 Scroll selected window display COUNT columns left.
|
|
|
4612 Default for COUNT is window width minus 2.
|
|
462
|
4613
|
|
|
4614 The characters that are moved over may be added to the current selection
|
|
|
4615 \(i.e. active region) if the Shift key is held down, a motion key is used
|
|
|
4616 to invoke this command, and `shifted-motion-keys-select-region' is t; see
|
|
|
4617 the documentation for this variable for more details.
|
|
428
|
4618 */
|
|
444
|
4619 (count))
|
|
428
|
4620 {
|
|
|
4621 Lisp_Object window = Fselected_window (Qnil);
|
|
|
4622 struct window *w = XWINDOW (window);
|
|
444
|
4623 int n = (NILP (count) ?
|
|
|
4624 window_char_width (w, 0) - 2 :
|
|
|
4625 XINT (Fprefix_numeric_value (count)));
|
|
|
4626
|
|
|
4627 return Fset_window_hscroll (window, make_int (w->hscroll + n));
|
|
428
|
4628 }
|
|
|
4629
|
|
|
4630 DEFUN ("scroll-right", Fscroll_right, 0, 1, "_P", /*
|
|
444
|
4631 Scroll selected window display COUNT columns right.
|
|
|
4632 Default for COUNT is window width minus 2.
|
|
462
|
4633
|
|
|
4634 The characters that are moved over may be added to the current selection
|
|
|
4635 \(i.e. active region) if the Shift key is held down, a motion key is used
|
|
|
4636 to invoke this command, and `shifted-motion-keys-select-region' is t; see
|
|
|
4637 the documentation for this variable for more details.
|
|
428
|
4638 */
|
|
444
|
4639 (count))
|
|
428
|
4640 {
|
|
|
4641 Lisp_Object window = Fselected_window (Qnil);
|
|
|
4642 struct window *w = XWINDOW (window);
|
|
444
|
4643 int n = (NILP (count) ?
|
|
|
4644 window_char_width (w, 0) - 2 :
|
|
|
4645 XINT (Fprefix_numeric_value (count)));
|
|
|
4646
|
|
|
4647 return Fset_window_hscroll (window, make_int (w->hscroll - n));
|
|
428
|
4648 }
|
|
|
4649
|
|
|
4650 DEFUN ("center-to-window-line", Fcenter_to_window_line, 0, 2, "_P", /*
|
|
|
4651 Center point in WINDOW. With N, put point on line N.
|
|
|
4652 The desired position of point is always relative to the window.
|
|
|
4653 If WINDOW is nil, the selected window is used.
|
|
|
4654 */
|
|
|
4655 (n, window))
|
|
|
4656 {
|
|
|
4657 struct window *w = decode_window (window);
|
|
|
4658 struct buffer *b = XBUFFER (w->buffer);
|
|
|
4659 Bufpos opoint = BUF_PT (b);
|
|
|
4660 Bufpos startp;
|
|
|
4661
|
|
|
4662 if (NILP (n))
|
|
|
4663 startp = start_with_line_at_pixpos (w, opoint, window_half_pixpos (w));
|
|
|
4664 else
|
|
|
4665 {
|
|
|
4666 n = Fprefix_numeric_value (n);
|
|
|
4667 CHECK_INT (n);
|
|
|
4668 startp = start_with_point_on_display_line (w, opoint, XINT (n));
|
|
|
4669 }
|
|
|
4670
|
|
|
4671 Fset_marker (w->start[CURRENT_DISP], make_int (startp), w->buffer);
|
|
|
4672
|
|
|
4673 w->start_at_line_beg = beginning_of_line_p (b, startp);
|
|
|
4674 w->force_start = 1;
|
|
|
4675 MARK_WINDOWS_CHANGED (w);
|
|
|
4676 return Qnil;
|
|
|
4677 }
|
|
|
4678
|
|
|
4679 DEFUN ("move-to-window-line", Fmove_to_window_line, 1, 2, "_P", /*
|
|
|
4680 Position point relative to WINDOW.
|
|
|
4681 With no argument, position text at center of window.
|
|
|
4682 An argument specifies window line; zero means top of window,
|
|
|
4683 negative means relative to bottom of window.
|
|
|
4684 If WINDOW is nil, the selected window is used.
|
|
|
4685 */
|
|
|
4686 (arg, window))
|
|
|
4687 {
|
|
|
4688 struct window *w;
|
|
|
4689 struct buffer *b;
|
|
|
4690 int height;
|
|
|
4691 Bufpos start, new_point;
|
|
|
4692 int selected;
|
|
|
4693
|
|
|
4694 /* Don't use decode_window() because we need the new value of
|
|
|
4695 WINDOW. */
|
|
|
4696 if (NILP (window))
|
|
|
4697 window = Fselected_window (Qnil);
|
|
|
4698 else
|
|
|
4699 CHECK_LIVE_WINDOW (window);
|
|
|
4700 w = XWINDOW (window);
|
|
|
4701 b = XBUFFER (w->buffer);
|
|
|
4702
|
|
|
4703 height = window_displayed_height (w);
|
|
|
4704 selected = EQ (window, Fselected_window (w->frame));
|
|
|
4705
|
|
|
4706 if (NILP (arg))
|
|
|
4707 {
|
|
|
4708 int retval;
|
|
|
4709
|
|
|
4710 if (XINT (w->last_modified[CURRENT_DISP]) >= BUF_MODIFF (b)
|
|
|
4711 && XINT (w->last_facechange[CURRENT_DISP]) >= BUF_FACECHANGE (b))
|
|
|
4712 {
|
|
|
4713 new_point = point_at_center (w, CURRENT_DISP, 0, 0);
|
|
|
4714
|
|
|
4715 if (selected)
|
|
|
4716 BUF_SET_PT (b, new_point);
|
|
|
4717 else
|
|
|
4718 Fset_window_point (window, make_int (new_point));
|
|
|
4719
|
|
|
4720 retval = line_at_center (w, CURRENT_DISP, 0, 0);
|
|
|
4721 }
|
|
|
4722 else
|
|
|
4723 {
|
|
|
4724 start = marker_position (w->start[CURRENT_DISP]);
|
|
|
4725 if (start < BUF_BEGV (b))
|
|
|
4726 start = BUF_BEGV (b);
|
|
|
4727 else if (start > BUF_ZV (b))
|
|
|
4728 start = BUF_ZV (b);
|
|
|
4729
|
|
|
4730 if (selected)
|
|
|
4731 new_point = BUF_PT (b);
|
|
|
4732 else
|
|
|
4733 new_point = marker_position (w->pointm[CURRENT_DISP]);
|
|
|
4734
|
|
|
4735 new_point = point_at_center (w, CMOTION_DISP, start, BUF_PT (b));
|
|
|
4736
|
|
|
4737 if (selected)
|
|
|
4738 BUF_SET_PT (b, new_point);
|
|
|
4739 else
|
|
|
4740 Fset_window_point (window, make_int (new_point));
|
|
|
4741
|
|
|
4742 retval = line_at_center (w, CMOTION_DISP, start, BUF_PT (b));
|
|
|
4743 }
|
|
|
4744
|
|
|
4745 return make_int (retval);
|
|
|
4746 }
|
|
|
4747 else
|
|
|
4748 {
|
|
|
4749 /* #### Is this going to work right when at eob? */
|
|
|
4750 arg = Fprefix_numeric_value (arg);
|
|
|
4751 if (XINT (arg) < 0)
|
|
|
4752 XSETINT (arg, XINT (arg) + height);
|
|
|
4753 }
|
|
|
4754
|
|
|
4755 start = marker_position (w->start[CURRENT_DISP]);
|
|
|
4756 if (start < BUF_BEGV (b) || start > BUF_ZV (b))
|
|
|
4757 {
|
|
|
4758 if (selected)
|
|
|
4759 new_point = BUF_PT (b);
|
|
|
4760 else
|
|
|
4761 new_point = marker_position (w->pointm[CURRENT_DISP]);
|
|
|
4762
|
|
|
4763 new_point = vmotion (XWINDOW (window), new_point, -height / 2, 0);
|
|
|
4764
|
|
|
4765 if (selected)
|
|
|
4766 BUF_SET_PT (b, new_point);
|
|
|
4767 else
|
|
|
4768 Fset_window_point (window, make_int (new_point));
|
|
|
4769
|
|
|
4770 Fset_marker (w->start[CURRENT_DISP], make_int (new_point),
|
|
|
4771 w->buffer);
|
|
|
4772 w->start_at_line_beg = beginning_of_line_p (b, new_point);
|
|
|
4773 w->force_start = 1;
|
|
|
4774 }
|
|
|
4775 else
|
|
|
4776 {
|
|
|
4777 if (selected)
|
|
|
4778 BUF_SET_PT (b, start);
|
|
|
4779 else
|
|
|
4780 Fset_window_point (window, make_int (start));
|
|
|
4781 }
|
|
|
4782
|
|
|
4783 if (selected)
|
|
|
4784 return Fvertical_motion (arg, window, Qnil);
|
|
|
4785 else
|
|
|
4786 {
|
|
|
4787 int vpos;
|
|
|
4788 new_point = vmotion (XWINDOW (window),
|
|
|
4789 marker_position (w->pointm[CURRENT_DISP]),
|
|
|
4790 XINT (arg), &vpos);
|
|
|
4791 Fset_window_point (window, make_int (new_point));
|
|
|
4792 return make_int (vpos);
|
|
|
4793 }
|
|
|
4794 }
|
|
|
4795
|
|
|
4796
|
|
|
4797 static int
|
|
|
4798 map_windows_1 (Lisp_Object window,
|
|
|
4799 int (*mapfun) (struct window *w, void *closure),
|
|
|
4800 void *closure)
|
|
|
4801 {
|
|
|
4802 for (; !NILP (window); window = XWINDOW (window)->next)
|
|
|
4803 {
|
|
|
4804 int retval;
|
|
|
4805 struct window *w = XWINDOW (window);
|
|
|
4806
|
|
|
4807 if (!NILP (w->vchild))
|
|
|
4808 retval = map_windows_1 (w->vchild, mapfun, closure);
|
|
|
4809 else if (!NILP (w->hchild))
|
|
|
4810 retval = map_windows_1 (w->hchild, mapfun, closure);
|
|
|
4811 else
|
|
|
4812 retval = (mapfun) (w, closure);
|
|
|
4813
|
|
|
4814 if (retval)
|
|
|
4815 return retval;
|
|
|
4816 }
|
|
|
4817
|
|
|
4818 return 0;
|
|
|
4819 }
|
|
|
4820
|
|
|
4821 /* Map MAPFUN over the windows in F. CLOSURE is passed to each
|
|
|
4822 invocation of MAPFUN. If any invocation of MAPFUN returns
|
|
|
4823 non-zero, the mapping is halted. Otherwise, map_windows() maps
|
|
|
4824 over all windows in F.
|
|
|
4825
|
|
|
4826 If MAPFUN creates or deletes windows, the behavior is undefined. */
|
|
|
4827
|
|
|
4828 int
|
|
|
4829 map_windows (struct frame *f, int (*mapfun) (struct window *w, void *closure),
|
|
|
4830 void *closure)
|
|
|
4831 {
|
|
|
4832 if (f)
|
|
|
4833 return map_windows_1 (FRAME_ROOT_WINDOW (f), mapfun, closure);
|
|
|
4834 else
|
|
|
4835 {
|
|
|
4836 Lisp_Object frmcons, devcons, concons;
|
|
|
4837
|
|
|
4838 FRAME_LOOP_NO_BREAK(frmcons, devcons, concons)
|
|
|
4839 {
|
|
|
4840 int v = map_windows_1 (FRAME_ROOT_WINDOW (XFRAME (XCAR (frmcons))),
|
|
|
4841 mapfun, closure);
|
|
|
4842 if (v)
|
|
|
4843 return v;
|
|
|
4844 }
|
|
|
4845 }
|
|
|
4846
|
|
|
4847 return 0;
|
|
|
4848 }
|
|
|
4849
|
|
|
4850
|
|
|
4851 static void
|
|
|
4852 modeline_shadow_thickness_changed (Lisp_Object specifier, struct window *w,
|
|
|
4853 Lisp_Object oldval)
|
|
|
4854 {
|
|
|
4855 w->shadow_thickness_changed = 1;
|
|
|
4856 MARK_WINDOWS_CHANGED (w);
|
|
|
4857 }
|
|
|
4858
|
|
|
4859 static void
|
|
|
4860 vertical_divider_changed_in_window (Lisp_Object specifier,
|
|
|
4861 struct window *w,
|
|
|
4862 Lisp_Object oldval)
|
|
|
4863 {
|
|
|
4864 MARK_WINDOWS_CHANGED (w);
|
|
|
4865 MARK_FRAME_WINDOWS_STRUCTURE_CHANGED (XFRAME (WINDOW_FRAME (w)));
|
|
|
4866 }
|
|
|
4867
|
|
|
4868 /* also used in scrollbar.c */
|
|
|
4869 void
|
|
|
4870 some_window_value_changed (Lisp_Object specifier, struct window *w,
|
|
|
4871 Lisp_Object oldval)
|
|
|
4872 {
|
|
|
4873 MARK_WINDOWS_CHANGED (w);
|
|
|
4874 }
|
|
|
4875
|
|
|
4876 #ifdef MEMORY_USAGE_STATS
|
|
|
4877
|
|
|
4878 struct window_stats
|
|
|
4879 {
|
|
|
4880 int face;
|
|
|
4881 int glyph;
|
|
|
4882 #ifdef HAVE_SCROLLBARS
|
|
|
4883 int scrollbar;
|
|
|
4884 #endif
|
|
|
4885 int line_start;
|
|
|
4886 int other_redisplay;
|
|
|
4887 int other;
|
|
|
4888 };
|
|
|
4889
|
|
|
4890 static void
|
|
|
4891 compute_window_mirror_usage (struct window_mirror *mir,
|
|
|
4892 struct window_stats *stats,
|
|
|
4893 struct overhead_stats *ovstats)
|
|
|
4894 {
|
|
|
4895 if (!mir)
|
|
|
4896 return;
|
|
|
4897 stats->other += malloced_storage_size (mir, sizeof (struct window_mirror),
|
|
|
4898 ovstats);
|
|
|
4899 #ifdef HAVE_SCROLLBARS
|
|
|
4900 {
|
|
|
4901 struct device *d = XDEVICE (FRAME_DEVICE (mir->frame));
|
|
|
4902
|
|
|
4903 stats->scrollbar +=
|
|
|
4904 compute_scrollbar_instance_usage (d, mir->scrollbar_vertical_instance,
|
|
|
4905 ovstats);
|
|
|
4906 stats->scrollbar +=
|
|
|
4907 compute_scrollbar_instance_usage (d, mir->scrollbar_horizontal_instance,
|
|
|
4908 ovstats);
|
|
|
4909 }
|
|
|
4910 #endif /* HAVE_SCROLLBARS */
|
|
|
4911 stats->other_redisplay +=
|
|
|
4912 compute_display_line_dynarr_usage (mir->current_display_lines, ovstats);
|
|
|
4913 stats->other_redisplay +=
|
|
|
4914 compute_display_line_dynarr_usage (mir->desired_display_lines, ovstats);
|
|
|
4915 }
|
|
|
4916
|
|
|
4917 static void
|
|
|
4918 compute_window_usage (struct window *w, struct window_stats *stats,
|
|
|
4919 struct overhead_stats *ovstats)
|
|
|
4920 {
|
|
|
4921 xzero (*stats);
|
|
|
4922 stats->other += malloced_storage_size (w, sizeof (struct window), ovstats);
|
|
|
4923 stats->face += compute_face_cachel_usage (w->face_cachels, ovstats);
|
|
|
4924 stats->glyph += compute_glyph_cachel_usage (w->glyph_cachels, ovstats);
|
|
|
4925 stats->line_start +=
|
|
|
4926 compute_line_start_cache_dynarr_usage (w->line_start_cache, ovstats);
|
|
|
4927 compute_window_mirror_usage (find_window_mirror (w), stats, ovstats);
|
|
|
4928 }
|
|
|
4929
|
|
|
4930 DEFUN ("window-memory-usage", Fwindow_memory_usage, 1, 1, 0, /*
|
|
|
4931 Return stats about the memory usage of window WINDOW.
|
|
|
4932 The values returned are in the form of an alist of usage types and byte
|
|
|
4933 counts. The byte counts attempt to encompass all the memory used
|
|
|
4934 by the window (separate from the memory logically associated with a
|
|
|
4935 buffer or frame), including internal structures and any malloc()
|
|
|
4936 overhead associated with them. In practice, the byte counts are
|
|
|
4937 underestimated because certain memory usage is very hard to determine
|
|
|
4938 \(e.g. the amount of memory used inside the Xt library or inside the
|
|
|
4939 X server) and because there is other stuff that might logically
|
|
|
4940 be associated with a window, buffer, or frame (e.g. window configurations,
|
|
|
4941 glyphs) but should not obviously be included in the usage counts.
|
|
|
4942
|
|
|
4943 Multiple slices of the total memory usage may be returned, separated
|
|
|
4944 by a nil. Each slice represents a particular view of the memory, a
|
|
|
4945 particular way of partitioning it into groups. Within a slice, there
|
|
|
4946 is no overlap between the groups of memory, and each slice collectively
|
|
|
4947 represents all the memory concerned.
|
|
|
4948 */
|
|
|
4949 (window))
|
|
|
4950 {
|
|
|
4951 struct window_stats stats;
|
|
|
4952 struct overhead_stats ovstats;
|
|
|
4953 Lisp_Object val = Qnil;
|
|
|
4954
|
|
|
4955 CHECK_WINDOW (window); /* dead windows should be allowed, no? */
|
|
|
4956 xzero (ovstats);
|
|
|
4957 compute_window_usage (XWINDOW (window), &stats, &ovstats);
|
|
|
4958
|
|
|
4959 val = acons (Qface_cache, make_int (stats.face), val);
|
|
|
4960 val = acons (Qglyph_cache, make_int (stats.glyph), val);
|
|
|
4961 #ifdef HAVE_SCROLLBARS
|
|
|
4962 val = acons (Qscrollbar_instances, make_int (stats.scrollbar), val);
|
|
|
4963 #endif
|
|
|
4964 val = acons (Qline_start_cache, make_int (stats.line_start), val);
|
|
|
4965 val = acons (Qother_redisplay, make_int (stats.other_redisplay), val);
|
|
|
4966 val = acons (Qother, make_int (stats.other), val);
|
|
|
4967 val = Fcons (Qnil, val);
|
|
|
4968 val = acons (Qactually_requested, make_int (ovstats.was_requested), val);
|
|
|
4969 val = acons (Qmalloc_overhead, make_int (ovstats.malloc_overhead), val);
|
|
|
4970 val = acons (Qdynarr_overhead, make_int (ovstats.dynarr_overhead), val);
|
|
|
4971
|
|
|
4972 return Fnreverse (val);
|
|
|
4973 }
|
|
|
4974
|
|
|
4975 #endif /* MEMORY_USAGE_STATS */
|
|
|
4976
|
|
|
4977
|
|
|
4978 /************************************************************************/
|
|
|
4979 /* Window configurations */
|
|
|
4980 /************************************************************************/
|
|
|
4981
|
|
|
4982 /* #### This window configuration stuff has had serious bugs lurking in it
|
|
|
4983 for years; it would be a -huge- win if this was reimplemented in lisp.
|
|
|
4984 */
|
|
|
4985
|
|
|
4986 /* If you add anything to this structure make sure saved_window_equal
|
|
|
4987 knows about it. */
|
|
|
4988 struct saved_window
|
|
|
4989 {
|
|
|
4990 Lisp_Object window; /* window */
|
|
|
4991 Lisp_Object buffer; /* buffer */
|
|
|
4992 Lisp_Object start; /* copied marker */
|
|
|
4993 Lisp_Object pointm; /* copied marker */
|
|
|
4994 Lisp_Object sb_point; /* copied marker */
|
|
|
4995 Lisp_Object mark; /* copied marker */
|
|
|
4996 int pixel_left;
|
|
|
4997 int pixel_top;
|
|
|
4998 int pixel_width;
|
|
|
4999 int pixel_height;
|
|
|
5000 int hscroll;
|
|
438
|
5001 Charcount modeline_hscroll;
|
|
428
|
5002 int parent_index; /* index into saved_windows */
|
|
|
5003 int prev_index; /* index into saved_windows */
|
|
|
5004 char start_at_line_beg; /* boolean */
|
|
|
5005
|
|
|
5006 #define WINDOW_SLOT_DECLARATION
|
|
|
5007 #define WINDOW_SLOT(slot, compare) Lisp_Object slot
|
|
|
5008 #include "winslots.h"
|
|
|
5009 };
|
|
|
5010
|
|
|
5011 /* If you add anything to this structure make sure window_config_equal
|
|
|
5012 knows about it. */
|
|
|
5013 struct window_config
|
|
|
5014 {
|
|
|
5015 struct lcrecord_header header;
|
|
|
5016 /* int frame_width; No longer needed, JV
|
|
|
5017 int frame_height; */
|
|
|
5018 #if 0 /* FSFmacs */
|
|
|
5019 Lisp_Object selected_frame;
|
|
|
5020 #endif
|
|
|
5021 Lisp_Object current_window;
|
|
|
5022 Lisp_Object current_buffer;
|
|
|
5023 Lisp_Object minibuffer_scroll_window;
|
|
|
5024 Lisp_Object root_window;
|
|
|
5025 int minibuf_height; /* 0 = no minibuffer, <0, size in lines, >0 in pixels */
|
|
|
5026 /* Record the values of window-min-width and window-min-height
|
|
|
5027 so that window sizes remain consistent with them. */
|
|
|
5028 int min_width, min_height;
|
|
456
|
5029 unsigned int saved_windows_count;
|
|
428
|
5030 /* Zero-sized arrays aren't ANSI C */
|
|
|
5031 struct saved_window saved_windows[1];
|
|
|
5032 };
|
|
|
5033
|
|
|
5034 #define SAVED_WINDOW_N(conf, n) (&((conf)->saved_windows[(n)]))
|
|
|
5035 #define XWINDOW_CONFIGURATION(x) XRECORD (x, window_configuration, struct window_config)
|
|
|
5036 #define XSETWINDOW_CONFIGURATION(x, p) XSETRECORD (x, p, window_configuration)
|
|
|
5037 #define WINDOW_CONFIGURATIONP(x) RECORDP (x, window_configuration)
|
|
|
5038 #define CHECK_WINDOW_CONFIGURATION(x) CHECK_RECORD (x, window_configuration)
|
|
|
5039
|
|
|
5040 static Lisp_Object
|
|
|
5041 mark_window_config (Lisp_Object obj)
|
|
|
5042 {
|
|
|
5043 struct window_config *config = XWINDOW_CONFIGURATION (obj);
|
|
456
|
5044 unsigned int i;
|
|
428
|
5045 mark_object (config->current_window);
|
|
|
5046 mark_object (config->current_buffer);
|
|
|
5047 mark_object (config->minibuffer_scroll_window);
|
|
|
5048 mark_object (config->root_window);
|
|
|
5049
|
|
|
5050 for (i = 0; i < config->saved_windows_count; i++)
|
|
|
5051 {
|
|
|
5052 struct saved_window *s = SAVED_WINDOW_N (config, i);
|
|
|
5053 mark_object (s->window);
|
|
|
5054 mark_object (s->buffer);
|
|
|
5055 mark_object (s->start);
|
|
|
5056 mark_object (s->pointm);
|
|
|
5057 mark_object (s->sb_point);
|
|
|
5058 mark_object (s->mark);
|
|
|
5059 #if 0
|
|
|
5060 /* #### This looked like this. I do not see why specifier cached
|
|
|
5061 values should not be marked, as such specifiers as toolbars
|
|
|
5062 might have GC-able instances. Freed configs are not marked,
|
|
|
5063 aren't they? -- kkm */
|
|
|
5064 mark_object (s->dedicated);
|
|
|
5065 #else
|
|
|
5066 #define WINDOW_SLOT(slot, compare) mark_object (s->slot)
|
|
|
5067 #include "winslots.h"
|
|
|
5068 #endif
|
|
|
5069 }
|
|
|
5070 return Qnil;
|
|
|
5071 }
|
|
|
5072
|
|
456
|
5073 inline static size_t
|
|
|
5074 sizeof_window_config_for_n_windows (unsigned int n)
|
|
|
5075 {
|
|
|
5076 return FLEXIBLE_ARRAY_STRUCT_SIZEOF (struct window_config,
|
|
|
5077 struct saved_window, saved_windows, n);
|
|
428
|
5078 }
|
|
|
5079
|
|
|
5080 static size_t
|
|
442
|
5081 sizeof_window_config (const void *h)
|
|
|
5082 {
|
|
|
5083 const struct window_config *c = (const struct window_config *) h;
|
|
428
|
5084 return sizeof_window_config_for_n_windows (c->saved_windows_count);
|
|
|
5085 }
|
|
|
5086
|
|
|
5087 static void
|
|
|
5088 print_window_config (Lisp_Object obj, Lisp_Object printcharfun, int escapeflag)
|
|
|
5089 {
|
|
|
5090 struct window_config *config = XWINDOW_CONFIGURATION (obj);
|
|
|
5091 char buf[200];
|
|
|
5092 if (print_readably)
|
|
|
5093 error ("printing unreadable object #<window-configuration 0x%x>",
|
|
|
5094 config->header.uid);
|
|
|
5095 write_c_string ("#<window-configuration ", printcharfun);
|
|
|
5096 sprintf (buf, "0x%x>", config->header.uid);
|
|
|
5097 write_c_string (buf, printcharfun);
|
|
|
5098 }
|
|
|
5099
|
|
|
5100 DEFINE_LRECORD_SEQUENCE_IMPLEMENTATION ("window-configuration",
|
|
|
5101 window_configuration,
|
|
|
5102 mark_window_config,
|
|
|
5103 print_window_config,
|
|
|
5104 0, 0, 0, 0, sizeof_window_config,
|
|
|
5105 struct window_config);
|
|
|
5106
|
|
|
5107
|
|
|
5108 /* Returns a boolean indicating whether the two saved windows are
|
|
|
5109 identical. */
|
|
|
5110 static int
|
|
|
5111 saved_window_equal (struct saved_window *win1, struct saved_window *win2)
|
|
|
5112 {
|
|
|
5113 #define WINDOW_SLOT(slot, compare) \
|
|
|
5114 if (!compare (win1->slot, win2->slot)) \
|
|
|
5115 return 0;
|
|
|
5116 #include "winslots.h"
|
|
|
5117
|
|
|
5118 return
|
|
|
5119 EQ (win1->window, win2->window) &&
|
|
|
5120 EQ (win1->buffer, win2->buffer) &&
|
|
|
5121 internal_equal (win1->start, win2->start, 0) &&
|
|
|
5122 internal_equal (win1->pointm, win2->pointm, 0) &&
|
|
|
5123 internal_equal (win1->sb_point, win2->sb_point, 0) &&
|
|
|
5124 internal_equal (win1->mark, win2->mark, 0) &&
|
|
|
5125 win1->pixel_left == win2->pixel_left &&
|
|
|
5126 win1->pixel_top == win2->pixel_top &&
|
|
|
5127 win1->pixel_width == win2->pixel_width &&
|
|
|
5128 win1->pixel_height == win2->pixel_height &&
|
|
|
5129 win1->hscroll == win2->hscroll &&
|
|
|
5130 win1->modeline_hscroll == win2->modeline_hscroll &&
|
|
|
5131 win1->parent_index == win2->parent_index &&
|
|
|
5132 win1->prev_index == win2->prev_index &&
|
|
|
5133 win1->start_at_line_beg == win2->start_at_line_beg;
|
|
|
5134 }
|
|
|
5135
|
|
|
5136 /* Returns a boolean indicating whether the two given configurations
|
|
|
5137 are identical. */
|
|
|
5138 static int
|
|
|
5139 window_config_equal (Lisp_Object conf1, Lisp_Object conf2)
|
|
|
5140 {
|
|
|
5141 struct window_config *fig1, *fig2;
|
|
456
|
5142 unsigned int i;
|
|
428
|
5143
|
|
|
5144 /* First check if they are truly the same. */
|
|
|
5145 if (EQ (conf1, conf2))
|
|
|
5146 return 1;
|
|
|
5147
|
|
|
5148 fig1 = XWINDOW_CONFIGURATION (conf1);
|
|
|
5149 fig2 = XWINDOW_CONFIGURATION (conf2);
|
|
|
5150
|
|
|
5151 if (!((fig1->saved_windows_count == fig2->saved_windows_count) &&
|
|
|
5152 EQ (fig1->current_window, fig2->current_window) &&
|
|
|
5153 EQ (fig1->current_buffer, fig2->current_buffer) &&
|
|
|
5154 EQ (fig1->root_window, fig2->root_window) &&
|
|
|
5155 EQ (fig1->minibuffer_scroll_window, fig2->minibuffer_scroll_window)))
|
|
|
5156 /* &&
|
|
|
5157 fig1->frame_width == fig2->frame_width &&
|
|
|
5158 fig1->frame_height == fig2->frame_height)) */
|
|
|
5159 return 0;
|
|
|
5160
|
|
|
5161 for (i = 0; i < fig1->saved_windows_count; i++)
|
|
|
5162 {
|
|
|
5163 if (!saved_window_equal (SAVED_WINDOW_N (fig1, i),
|
|
|
5164 SAVED_WINDOW_N (fig2, i)))
|
|
|
5165 return 0;
|
|
|
5166 }
|
|
|
5167
|
|
|
5168 return 1;
|
|
|
5169 }
|
|
|
5170
|
|
|
5171 DEFUN ("window-configuration-p", Fwindow_configuration_p, 1, 1, 0, /*
|
|
|
5172 Return t if OBJECT is a window-configuration object.
|
|
|
5173 */
|
|
444
|
5174 (object))
|
|
|
5175 {
|
|
|
5176 return WINDOW_CONFIGURATIONP (object) ? Qt : Qnil;
|
|
428
|
5177 }
|
|
|
5178
|
|
|
5179 static int
|
|
|
5180 mark_windows_in_use_closure (struct window *w, void *closure)
|
|
|
5181 {
|
|
|
5182 int mark = *(int *)closure;
|
|
|
5183 w->config_mark = mark;
|
|
|
5184 return 0;
|
|
|
5185 }
|
|
|
5186
|
|
|
5187 static void
|
|
|
5188 mark_windows_in_use (struct frame *f, int mark)
|
|
|
5189 {
|
|
|
5190 map_windows (f, mark_windows_in_use_closure, &mark);
|
|
|
5191 }
|
|
|
5192
|
|
|
5193 /* Lisp_Object return value so it can be used in record_unwind_protect() */
|
|
|
5194 static Lisp_Object
|
|
|
5195 free_window_configuration (Lisp_Object window_config)
|
|
|
5196 {
|
|
456
|
5197 unsigned int i;
|
|
428
|
5198 struct window_config *config = XWINDOW_CONFIGURATION (window_config);
|
|
|
5199
|
|
|
5200 /* Free all the markers. It's not completely necessary that
|
|
|
5201 we do this (window configs sitting in a free list aren't
|
|
|
5202 marked normally so the markers wouldn't be marked anyway)
|
|
|
5203 but it's more efficient. */
|
|
|
5204 for (i = 0; i < config->saved_windows_count; i++)
|
|
|
5205 {
|
|
|
5206 struct saved_window *p = SAVED_WINDOW_N (config, i);
|
|
|
5207
|
|
|
5208 if (!NILP (p->pointm))
|
|
|
5209 {
|
|
|
5210 free_marker (XMARKER (p->pointm));
|
|
|
5211 p->pointm = Qnil;
|
|
|
5212 }
|
|
|
5213 if (!NILP (p->start))
|
|
|
5214 {
|
|
|
5215 free_marker (XMARKER (p->start));
|
|
|
5216 p->start = Qnil;
|
|
|
5217 }
|
|
|
5218 if (!NILP (p->sb_point))
|
|
|
5219 {
|
|
|
5220 free_marker (XMARKER (p->sb_point));
|
|
|
5221 p->sb_point = Qnil;
|
|
|
5222 }
|
|
|
5223 if (!NILP (p->mark))
|
|
|
5224 {
|
|
|
5225 free_marker (XMARKER (p->mark));
|
|
|
5226 p->mark = Qnil;
|
|
|
5227 }
|
|
|
5228 }
|
|
|
5229
|
|
|
5230 if (config->saved_windows_count <= countof (Vwindow_configuration_free_list))
|
|
|
5231 free_managed_lcrecord (Vwindow_configuration_free_list
|
|
|
5232 [config->saved_windows_count - 1],
|
|
|
5233 window_config);
|
|
|
5234
|
|
|
5235 return Qnil;
|
|
|
5236 }
|
|
|
5237
|
|
|
5238 DEFUN ("set-window-configuration", Fset_window_configuration, 1, 1, 0, /*
|
|
|
5239 Set the configuration of windows and buffers as specified by CONFIGURATION.
|
|
|
5240 CONFIGURATION must be a value previously returned
|
|
|
5241 by `current-window-configuration' (which see).
|
|
|
5242 */
|
|
|
5243 (configuration))
|
|
|
5244 {
|
|
|
5245 struct window *w;
|
|
|
5246 struct window_config *config;
|
|
|
5247 struct saved_window *p;
|
|
|
5248 Lisp_Object new_current_buffer;
|
|
456
|
5249 unsigned int k;
|
|
428
|
5250 Lisp_Object frame;
|
|
|
5251 struct frame *f;
|
|
|
5252 struct gcpro gcpro1;
|
|
|
5253 Lisp_Object old_window_config;
|
|
|
5254 /* int previous_frame_height;
|
|
|
5255 int previous_frame_width;*/
|
|
|
5256 int previous_pixel_top;
|
|
|
5257 int previous_pixel_height;
|
|
|
5258 int previous_pixel_left;
|
|
|
5259 int previous_pixel_width;
|
|
|
5260 int previous_minibuf_height, previous_minibuf_top,previous_minibuf_width;
|
|
|
5261 int real_font_height;
|
|
438
|
5262 int converted_minibuf_height,target_minibuf_height;
|
|
428
|
5263 int specpdl_count = specpdl_depth ();
|
|
|
5264
|
|
|
5265 GCPRO1 (configuration);
|
|
|
5266
|
|
|
5267 CHECK_WINDOW_CONFIGURATION (configuration);
|
|
|
5268 config = XWINDOW_CONFIGURATION (configuration);
|
|
|
5269
|
|
|
5270 frame = XWINDOW (SAVED_WINDOW_N (config, 0)->window)->frame;
|
|
|
5271 f = XFRAME (frame);
|
|
|
5272
|
|
|
5273 /* Do not signal an error here if the frame was deleted. There are
|
|
|
5274 reasonable cases where we could get here with a deleted frame and
|
|
|
5275 just want to do close to nothing instead. */
|
|
|
5276
|
|
|
5277 if (FRAME_LIVE_P (f))
|
|
|
5278 {
|
|
|
5279 /* restore the frame characteristics */
|
|
|
5280
|
|
|
5281 new_current_buffer = config->current_buffer;
|
|
|
5282 if (!BUFFER_LIVE_P (XBUFFER (new_current_buffer)))
|
|
|
5283 new_current_buffer = Qnil;
|
|
|
5284
|
|
|
5285 /*
|
|
|
5286 * Assumed precondition: w->config_mark = 0 for all w
|
|
|
5287 * This procedure should ensure this is true by the time it exits
|
|
|
5288 * to ensure the precondition for future calls.
|
|
|
5289 *
|
|
|
5290 * We use w->config_mark to know whether we're modifying a
|
|
|
5291 * window that is currently visible on the frame (#### we
|
|
|
5292 * should just be able to check whether the window is dead
|
|
|
5293 * or not, but this way is safer?). As we process each
|
|
|
5294 * window, we set its config_mark to 0. At the end, we
|
|
|
5295 * go through all the windows that used to be on the frame,
|
|
|
5296 * set each one's config_mark to 0 (to maintain the
|
|
|
5297 * assumed precondition) and delete each one that's no
|
|
|
5298 * longer in use.
|
|
|
5299 *
|
|
|
5300 * #### Using a window-configuration to keep track of
|
|
|
5301 * the current windows is wasteful. All we need is the
|
|
|
5302 * list of windows, so we could just use a dynarr.
|
|
|
5303 */
|
|
|
5304 old_window_config = Fcurrent_window_configuration (frame);
|
|
|
5305
|
|
|
5306 /* If the new configuration is already equal to the old, then stop
|
|
|
5307 right here. This saves the work below and it also saves
|
|
|
5308 triggering a full redisplay of this window. This is a huge win
|
|
|
5309 when using the mouse since the mode motion code uses
|
|
|
5310 save-window-excursion extensively but will rarely cause the
|
|
|
5311 configuration to actually change. */
|
|
|
5312 if (window_config_equal (configuration, old_window_config))
|
|
|
5313 {
|
|
|
5314 free_window_configuration (old_window_config);
|
|
|
5315 UNGCPRO;
|
|
|
5316 return Qnil;
|
|
|
5317 }
|
|
|
5318
|
|
|
5319 /* We can't quit or even check for quit because that may cause
|
|
|
5320 investigation of the frame state, which may crash if the frame is
|
|
|
5321 in an inconsistent state. */
|
|
|
5322 begin_dont_check_for_quit ();
|
|
|
5323 record_unwind_protect (free_window_configuration, old_window_config);
|
|
|
5324
|
|
|
5325 mark_windows_in_use (f, 1);
|
|
442
|
5326 #ifdef BROKEN_SUBWINDOW_REDISPLAY
|
|
|
5327 /* Force subwindows to be remapped. This is overkill but saves
|
|
|
5328 us having to rely on the redisplay code to unmap any extant
|
|
|
5329 subwindows.
|
|
|
5330
|
|
|
5331 #### It does cause some extra flashing though which we could
|
|
|
5332 possibly avoid. So consider trying to get redisplay to work
|
|
|
5333 correctly.
|
|
|
5334
|
|
|
5335 Removing the instances from the frame cache is wrong because
|
|
|
5336 an instance is only put in the frame cache when it is
|
|
|
5337 instantiated. So if we do this there is a chance that stuff
|
|
|
5338 will never get put back in the frame cache. */
|
|
|
5339 reset_frame_subwindow_instance_cache (f);
|
|
|
5340 #endif
|
|
428
|
5341 #if 0
|
|
|
5342 /* JV: This is bogus,
|
|
|
5343 First of all, the units are inconsistent. The frame sizes are measured
|
|
438
|
5344 in characters but the window sizes are stored in pixels. So if a
|
|
428
|
5345 font size change happened between saving and restoring, the
|
|
|
5346 frame "sizes" maybe equal but the windows still should be
|
|
442
|
5347 resized. This is tickled a lot by the new "character size
|
|
|
5348 stays constant" policy in 21.0. It leads to very weird
|
|
|
5349 glitches (and possibly crashes when asserts are tickled).
|
|
|
5350
|
|
|
5351 Just changing the units doesn't help because changing the
|
|
428
|
5352 toolbar configuration can also change the pixel positions.
|
|
|
5353 Luckily there is a much simpler way of doing this, see below.
|
|
|
5354 */
|
|
|
5355 previous_frame_width = FRAME_WIDTH (f);
|
|
|
5356 previous_frame_height = FRAME_HEIGHT (f);
|
|
|
5357 /* If the frame has been resized since this window configuration was
|
|
|
5358 made, we change the frame to the size specified in the
|
|
|
5359 configuration, restore the configuration, and then resize it
|
|
|
5360 back. We keep track of the prevailing height in these variables. */
|
|
|
5361 if (config->frame_height != FRAME_HEIGHT (f)
|
|
|
5362 || config->frame_width != FRAME_WIDTH (f))
|
|
|
5363 change_frame_size (f, config->frame_height, config->frame_width, 0);
|
|
|
5364 #endif
|
|
438
|
5365
|
|
428
|
5366 previous_pixel_top = XWINDOW (FRAME_ROOT_WINDOW (f))->pixel_top;
|
|
|
5367 previous_pixel_height = XWINDOW (FRAME_ROOT_WINDOW (f))->pixel_height;
|
|
|
5368 previous_pixel_left = XWINDOW (FRAME_ROOT_WINDOW (f))->pixel_left;
|
|
|
5369 previous_pixel_width = XWINDOW (FRAME_ROOT_WINDOW (f))->pixel_width;
|
|
|
5370
|
|
|
5371 /* remember some properties of the minibuffer */
|
|
|
5372
|
|
|
5373 default_face_height_and_width (frame, &real_font_height, 0);
|
|
|
5374 assert(real_font_height > 0);
|
|
438
|
5375
|
|
428
|
5376 if (FRAME_HAS_MINIBUF_P (f) && ! FRAME_MINIBUF_ONLY_P (f))
|
|
|
5377 {
|
|
|
5378 previous_minibuf_height
|
|
|
5379 = XWINDOW(FRAME_MINIBUF_WINDOW(f))->pixel_height;
|
|
|
5380 previous_minibuf_top
|
|
|
5381 = XWINDOW(FRAME_MINIBUF_WINDOW(f))->pixel_top;
|
|
|
5382 previous_minibuf_width
|
|
|
5383 = XWINDOW(FRAME_MINIBUF_WINDOW(f))->pixel_width;
|
|
|
5384 }
|
|
|
5385 else
|
|
|
5386 {
|
|
|
5387 previous_minibuf_height = 0;
|
|
438
|
5388 previous_minibuf_top = 0;
|
|
428
|
5389 previous_minibuf_width = 0;
|
|
|
5390 }
|
|
|
5391 converted_minibuf_height =
|
|
|
5392 (previous_minibuf_height % real_font_height) == 0 ?
|
|
|
5393 - (previous_minibuf_height / real_font_height ) : /* lines */
|
|
|
5394 previous_minibuf_height; /* pixels */
|
|
438
|
5395
|
|
428
|
5396 /* Temporarily avoid any problems with windows that are smaller
|
|
|
5397 than they are supposed to be. */
|
|
|
5398 window_min_height = 1;
|
|
|
5399 window_min_width = 1;
|
|
|
5400
|
|
|
5401 /* OK, now restore all the windows in the window config.
|
|
|
5402 This may involve "undeleting" windows, since the
|
|
|
5403 windows in the window config may be deleted.
|
|
|
5404 */
|
|
|
5405 for (k = 0; k < config->saved_windows_count; k++)
|
|
|
5406 {
|
|
|
5407 p = SAVED_WINDOW_N (config, k);
|
|
|
5408 w = XWINDOW (p->window);
|
|
|
5409 w->next = Qnil;
|
|
|
5410
|
|
|
5411 /* The window might be dead. In this case, its redisplay
|
|
|
5412 structures were freed, so we need to reallocate them. */
|
|
|
5413 if (!w->face_cachels)
|
|
|
5414 {
|
|
|
5415 w->face_cachels = Dynarr_new (face_cachel);
|
|
|
5416 reset_face_cachels (w);
|
|
|
5417 }
|
|
|
5418 if (!w->glyph_cachels)
|
|
|
5419 w->glyph_cachels = Dynarr_new (glyph_cachel);
|
|
|
5420 if (!w->line_start_cache)
|
|
|
5421 w->line_start_cache = Dynarr_new (line_start_cache);
|
|
442
|
5422 w->gutter_extent_modiff[0] = 0;
|
|
|
5423 w->gutter_extent_modiff[1] = 0;
|
|
|
5424 w->gutter_extent_modiff[2] = 0;
|
|
|
5425 w->gutter_extent_modiff[3] = 0;
|
|
428
|
5426 w->dead = 0;
|
|
|
5427
|
|
|
5428 if (p->parent_index >= 0)
|
|
|
5429 w->parent = SAVED_WINDOW_N (config, p->parent_index)->window;
|
|
|
5430 else
|
|
|
5431 w->parent = Qnil;
|
|
|
5432
|
|
|
5433 if (p->prev_index >= 0)
|
|
|
5434 {
|
|
|
5435 w->prev = SAVED_WINDOW_N (config, p->prev_index)->window;
|
|
|
5436
|
|
|
5437 /* This is true for a minibuffer-only frame. */
|
|
|
5438 if (!NILP (w->mini_p) && EQ (w->prev, p->window))
|
|
|
5439 w->next = Qnil;
|
|
|
5440 else
|
|
|
5441 XWINDOW (w->prev)->next = p->window;
|
|
|
5442 }
|
|
|
5443 else
|
|
|
5444 {
|
|
|
5445 w->prev = Qnil;
|
|
|
5446 if (!NILP (w->parent))
|
|
|
5447 {
|
|
|
5448 if (WINDOW_WIDTH (p) == WINDOW_WIDTH (XWINDOW (w->parent)))
|
|
|
5449 {
|
|
|
5450 XWINDOW (w->parent)->vchild = p->window;
|
|
|
5451 XWINDOW (w->parent)->hchild = Qnil;
|
|
|
5452 }
|
|
|
5453 else
|
|
|
5454 {
|
|
|
5455 XWINDOW (w->parent)->hchild = p->window;
|
|
|
5456 XWINDOW (w->parent)->vchild = Qnil;
|
|
|
5457 }
|
|
|
5458 }
|
|
|
5459 }
|
|
|
5460 if (!w->config_mark)
|
|
|
5461 {
|
|
|
5462 /* #### This should be equivalent to the window previously
|
|
|
5463 having been dead. If we're brave, we'll put in an
|
|
|
5464 assertion to this effect. */
|
|
|
5465 MARK_FRAME_WINDOWS_STRUCTURE_CHANGED (f);
|
|
|
5466 }
|
|
|
5467 else /* if (!EQ (w->buffer, p->buffer)) */
|
|
|
5468 {
|
|
|
5469 /* With the new redisplay we let it know that a change has
|
|
|
5470 been made and it will take care of the rest. If we don't
|
|
|
5471 tell it something has possibly changed it could lead to
|
|
|
5472 incorrect display. */
|
|
|
5473 MARK_WINDOWS_CHANGED (w);
|
|
|
5474 }
|
|
|
5475
|
|
|
5476 WINDOW_LEFT (w) = WINDOW_LEFT (p);
|
|
|
5477 WINDOW_TOP (w) = WINDOW_TOP (p);
|
|
|
5478 WINDOW_WIDTH (w) = WINDOW_WIDTH (p);
|
|
|
5479 WINDOW_HEIGHT (w) = WINDOW_HEIGHT (p);
|
|
|
5480 w->hscroll = p->hscroll;
|
|
|
5481 w->modeline_hscroll = p->modeline_hscroll;
|
|
|
5482 w->line_cache_last_updated = Qzero;
|
|
442
|
5483 /* When we restore a window's configuration, the identity of
|
|
|
5484 the window hasn't actually changed - so there is no
|
|
|
5485 reason why we shouldn't preserve the instance cache for
|
|
|
5486 it - unless it was originally deleted. This will often
|
|
|
5487 buy us something as we will not have to re-instantiate
|
|
|
5488 all the instances. This is because this is an instance
|
|
|
5489 cache - not a display cache. Preserving the display cache
|
|
|
5490 would definitely be wrong.
|
|
|
5491
|
|
|
5492 We specifically want to do this for tabs, since for some
|
|
|
5493 reason finding a file will cause the configuration to be
|
|
|
5494 set. */
|
|
|
5495 if (NILP (w->subwindow_instance_cache))
|
|
|
5496 w->subwindow_instance_cache =
|
|
450
|
5497 make_image_instance_cache_hash_table ();
|
|
|
5498
|
|
428
|
5499 SET_LAST_MODIFIED (w, 1);
|
|
|
5500 SET_LAST_FACECHANGE (w);
|
|
|
5501 w->config_mark = 0;
|
|
|
5502
|
|
442
|
5503 /* #### Consider making the instance cache a winslot. */
|
|
428
|
5504 #define WINDOW_SLOT(slot, compare) w->slot = p->slot
|
|
|
5505 #include "winslots.h"
|
|
|
5506
|
|
|
5507 /* Reinstall the saved buffer and pointers into it. */
|
|
|
5508 if (NILP (p->buffer))
|
|
|
5509 w->buffer = p->buffer;
|
|
|
5510 else
|
|
|
5511 {
|
|
|
5512 if (BUFFER_LIVE_P (XBUFFER (p->buffer)))
|
|
|
5513 /* If saved buffer is alive, install it. */
|
|
|
5514 {
|
|
|
5515 w->buffer = p->buffer;
|
|
|
5516 w->start_at_line_beg = p->start_at_line_beg;
|
|
|
5517 set_marker_restricted (w->start[CURRENT_DISP],
|
|
|
5518 Fmarker_position (p->start),
|
|
|
5519 w->buffer);
|
|
|
5520 set_marker_restricted (w->pointm[CURRENT_DISP],
|
|
|
5521 Fmarker_position (p->pointm),
|
|
|
5522 w->buffer);
|
|
|
5523 set_marker_restricted (w->sb_point,
|
|
|
5524 Fmarker_position (p->sb_point),
|
|
|
5525 w->buffer);
|
|
|
5526 Fset_marker (XBUFFER (w->buffer)->mark,
|
|
|
5527 Fmarker_position (p->mark), w->buffer);
|
|
|
5528
|
|
|
5529 /* As documented in Fcurrent_window_configuration, don't
|
|
|
5530 save the location of point in the buffer which was current
|
|
|
5531 when the window configuration was recorded. */
|
|
|
5532 if (!EQ (p->buffer, new_current_buffer) &&
|
|
|
5533 XBUFFER (p->buffer) == current_buffer)
|
|
|
5534 Fgoto_char (w->pointm[CURRENT_DISP], Qnil);
|
|
|
5535 }
|
|
|
5536 else if (NILP (w->buffer) ||
|
|
|
5537 !BUFFER_LIVE_P (XBUFFER (w->buffer)))
|
|
|
5538 /* Else if window's old buffer is dead too, get a live one. */
|
|
|
5539 {
|
|
|
5540 /* #### The following line makes me nervous... */
|
|
|
5541 /* w->buffer = Fcdr (Fcar (XFRAME (w->frame)->buffer_alist));*/
|
|
|
5542 w->buffer = Fget_buffer_create (QSscratch);
|
|
|
5543 /* w->buffer = Fother_buffer (Qnil, w->frame, Qnil); */
|
|
|
5544 /* This will set the markers to beginning of visible
|
|
|
5545 range. */
|
|
|
5546 set_marker_restricted (w->start[CURRENT_DISP], Qzero, w->buffer);
|
|
|
5547 set_marker_restricted (w->pointm[CURRENT_DISP], Qzero,
|
|
|
5548 w->buffer);
|
|
|
5549 set_marker_restricted (w->sb_point, Qzero, w->buffer);
|
|
|
5550 w->start_at_line_beg = 1;
|
|
|
5551 }
|
|
|
5552 else
|
|
|
5553 /* Keeping window's old buffer; make sure the markers
|
|
|
5554 are real. */
|
|
|
5555 {
|
|
|
5556 /* Set window markers at start of visible range. */
|
|
|
5557 if (XMARKER (w->start[CURRENT_DISP])->buffer == 0)
|
|
|
5558 set_marker_restricted (w->start[CURRENT_DISP], Qzero,
|
|
|
5559 w->buffer);
|
|
|
5560 if (XMARKER (w->sb_point)->buffer == 0)
|
|
|
5561 set_marker_restricted (w->sb_point, Qzero, w->buffer);
|
|
|
5562 if (XMARKER (w->pointm[CURRENT_DISP])->buffer == 0)
|
|
|
5563 set_marker_restricted (w->pointm[CURRENT_DISP],
|
|
|
5564 make_int
|
|
|
5565 (BUF_PT (XBUFFER (w->buffer))),
|
|
|
5566 w->buffer);
|
|
|
5567 w->start_at_line_beg = 1;
|
|
|
5568 }
|
|
|
5569 }
|
|
|
5570 }
|
|
|
5571
|
|
|
5572 FRAME_ROOT_WINDOW (f) = config->root_window;
|
|
|
5573 /* Note that FSFmacs unilaterally calls Fselect_window() here, and
|
|
|
5574 then calls do_switch_frame() below to select the frame that was
|
|
|
5575 recorded in the window config as being selected.
|
|
|
5576
|
|
|
5577 Instead, we don't ever change the selected frame, and either
|
|
|
5578 call Fselect_window() below if the window config's frame is
|
|
|
5579 currently selected, or just set the selected window of the
|
|
|
5580 window config's frame. */
|
|
|
5581
|
|
|
5582 #if 0
|
|
|
5583 /* Set the frame height to the value it had before this function. */
|
|
|
5584 if (previous_frame_height != FRAME_HEIGHT (f)
|
|
|
5585 || previous_frame_width != FRAME_WIDTH (f))
|
|
|
5586 change_frame_size (f, previous_frame_height, previous_frame_width, 0);
|
|
|
5587 #endif
|
|
|
5588 /* We just reset the size and position of the minibuffer, to its old
|
|
|
5589 value, which needn't be valid. So we do some magic to see which value
|
|
|
5590 to actually take. Then we set it.
|
|
|
5591
|
|
|
5592 The magic:
|
|
|
5593 We take the old value if is in the same units but differs from the
|
|
|
5594 current value.
|
|
|
5595
|
|
|
5596 #### Now we get more cases correct then ever before, but
|
|
|
5597 are we treating all? For instance what if the frames minibuf window
|
|
438
|
5598 is no longer the same one?
|
|
428
|
5599 */
|
|
|
5600 target_minibuf_height = previous_minibuf_height;
|
|
|
5601 if (converted_minibuf_height &&
|
|
|
5602 (converted_minibuf_height * config->minibuf_height) > 0 &&
|
|
|
5603 (converted_minibuf_height != config->minibuf_height))
|
|
|
5604 {
|
|
|
5605 target_minibuf_height = config->minibuf_height < 0 ?
|
|
|
5606 - (config->minibuf_height * real_font_height) :
|
|
|
5607 config->minibuf_height;
|
|
|
5608 target_minibuf_height =
|
|
|
5609 max(target_minibuf_height,real_font_height);
|
|
|
5610 }
|
|
|
5611 if (previous_minibuf_height)
|
|
|
5612 {
|
|
|
5613 XWINDOW (FRAME_MINIBUF_WINDOW (f))->pixel_top
|
|
|
5614 = previous_minibuf_top -
|
|
|
5615 (target_minibuf_height - previous_minibuf_height);
|
|
|
5616 set_window_pixheight (FRAME_MINIBUF_WINDOW (f),
|
|
|
5617 target_minibuf_height, 0);
|
|
|
5618 set_window_pixwidth (FRAME_MINIBUF_WINDOW (f),
|
|
|
5619 previous_minibuf_width, 0);
|
|
|
5620 }
|
|
438
|
5621
|
|
428
|
5622 /* This is a better way to deal with frame resizing, etc.
|
|
|
5623 What we _actually_ want is for the old (just restored)
|
|
|
5624 root window to fit
|
|
|
5625 into the place of the new one. So we just do that. Simple! */
|
|
|
5626 XWINDOW (FRAME_ROOT_WINDOW (f))->pixel_top = previous_pixel_top;
|
|
|
5627 /* Note that this function also updates the subwindow
|
|
|
5628 "pixel_top"s */
|
|
|
5629 set_window_pixheight (FRAME_ROOT_WINDOW (f),
|
|
|
5630 previous_pixel_height -
|
|
|
5631 (target_minibuf_height - previous_minibuf_height), 0);
|
|
|
5632 XWINDOW (FRAME_ROOT_WINDOW (f))->pixel_left = previous_pixel_left;
|
|
|
5633 /* Note that this function also updates the subwindow
|
|
|
5634 "pixel_left"s */
|
|
|
5635 set_window_pixwidth (FRAME_ROOT_WINDOW (f), previous_pixel_width, 0);
|
|
438
|
5636
|
|
428
|
5637 /* If restoring in the current frame make the window current,
|
|
|
5638 otherwise just update the frame selected_window slot to be
|
|
|
5639 the restored current_window. */
|
|
|
5640 if (f == selected_frame ())
|
|
|
5641 {
|
|
442
|
5642 #if 0
|
|
428
|
5643 /* When using `pop-window-configuration', often the minibuffer
|
|
|
5644 ends up as the selected window even though it's not active ...
|
|
|
5645 I really don't know the cause of this, but it should never
|
|
|
5646 happen. This kludge should fix it.
|
|
|
5647
|
|
|
5648 #### Find out why this is really going wrong. */
|
|
|
5649 if (!minibuf_level &&
|
|
|
5650 MINI_WINDOW_P (XWINDOW (config->current_window)))
|
|
442
|
5651 window_to_select = Fnext_window (config->current_window,
|
|
|
5652 Qnil, Qnil, Qnil);
|
|
428
|
5653 else
|
|
442
|
5654 window_to_select = config->current_window;
|
|
|
5655 #endif
|
|
|
5656 /* Do this last so that buffer stacking is calculated
|
|
|
5657 correctly. */
|
|
|
5658 Fselect_window (config->current_window, Qnil);
|
|
|
5659
|
|
428
|
5660 if (!NILP (new_current_buffer))
|
|
442
|
5661 {
|
|
|
5662 Fset_buffer (new_current_buffer);
|
|
|
5663 Frecord_buffer (new_current_buffer);
|
|
|
5664 }
|
|
428
|
5665 else
|
|
442
|
5666 {
|
|
|
5667 Fset_buffer (XWINDOW (config->current_window)->buffer);
|
|
|
5668 Frecord_buffer (XWINDOW (config->current_window)->buffer);
|
|
|
5669 }
|
|
428
|
5670 }
|
|
|
5671 else
|
|
|
5672 set_frame_selected_window (f, config->current_window);
|
|
|
5673 }
|
|
|
5674 else
|
|
|
5675 old_window_config = Qnil; /* Warning suppression */
|
|
|
5676
|
|
|
5677 /* Restore the minimum heights recorded in the configuration. */
|
|
|
5678 window_min_height = config->min_height;
|
|
|
5679 window_min_width = config->min_width;
|
|
|
5680
|
|
|
5681 #if 0 /* FSFmacs */
|
|
|
5682 /* see above comment */
|
|
|
5683 /* Fselect_window will have made f the selected frame, so we
|
|
|
5684 reselect the proper frame here. Fhandle_switch_frame will change the
|
|
|
5685 selected window too, but that doesn't make the call to
|
|
|
5686 Fselect_window above totally superfluous; it still sets f's
|
|
|
5687 selected window. */
|
|
|
5688 if (FRAME_LIVE_P (XFRAME (config->selected_frame)))
|
|
|
5689 do_switch_frame (config->selected_frame, Qnil, 0);
|
|
|
5690 #endif
|
|
|
5691
|
|
|
5692 Vminibuffer_scroll_window = config->minibuffer_scroll_window;
|
|
|
5693
|
|
|
5694 if (FRAME_LIVE_P (f))
|
|
|
5695 {
|
|
|
5696 /* Do this before calling recompute_all_cached_specifiers_in_window()
|
|
|
5697 so that things like redisplay_redraw_cursor() won't abort due
|
|
|
5698 to no window mirror present. */
|
|
|
5699 f->mirror_dirty = 1;
|
|
|
5700
|
|
|
5701 config = XWINDOW_CONFIGURATION (old_window_config);
|
|
|
5702 for (k = 0; k < config->saved_windows_count; k++)
|
|
|
5703 {
|
|
|
5704 p = SAVED_WINDOW_N (config, k);
|
|
|
5705 w = XWINDOW (p->window);
|
|
|
5706 /* Remember, we set w->config_mark on all currently visible
|
|
|
5707 windows, and reset it on all newly visible windows.
|
|
|
5708 Any windows still marked need to be deleted. */
|
|
|
5709 if (w->config_mark)
|
|
|
5710 {
|
|
|
5711 mark_window_as_deleted (w);
|
|
|
5712 w->config_mark = 0;
|
|
|
5713 }
|
|
|
5714 else
|
|
|
5715 {
|
|
|
5716 /* We just potentially changed the window's buffer and
|
|
|
5717 potentially turned a dead window into a live one,
|
|
|
5718 so we need to recompute the cached specifier values. */
|
|
|
5719 recompute_all_cached_specifiers_in_window (w);
|
|
|
5720 }
|
|
|
5721 }
|
|
|
5722 }
|
|
|
5723
|
|
|
5724 /* Now restore things, when everything else if OK. */
|
|
|
5725
|
|
|
5726 unbind_to (specpdl_count, Qnil);
|
|
|
5727
|
|
|
5728 UNGCPRO;
|
|
|
5729
|
|
|
5730 return Qnil;
|
|
|
5731 }
|
|
|
5732
|
|
|
5733 /* Mark all subwindows of a window as deleted. The argument
|
|
|
5734 W is actually the subwindow tree of the window in question. */
|
|
|
5735
|
|
|
5736 void
|
|
|
5737 delete_all_subwindows (struct window *w)
|
|
|
5738 {
|
|
|
5739 if (!NILP (w->next)) delete_all_subwindows (XWINDOW (w->next));
|
|
|
5740 if (!NILP (w->vchild)) delete_all_subwindows (XWINDOW (w->vchild));
|
|
|
5741 if (!NILP (w->hchild)) delete_all_subwindows (XWINDOW (w->hchild));
|
|
|
5742
|
|
|
5743 mark_window_as_deleted (w);
|
|
|
5744 }
|
|
|
5745
|
|
|
5746
|
|
456
|
5747 static unsigned int
|
|
428
|
5748 count_windows (struct window *window)
|
|
|
5749 {
|
|
|
5750 return 1 +
|
|
|
5751 (!NILP (window->next) ? count_windows (XWINDOW (window->next)) : 0) +
|
|
|
5752 (!NILP (window->vchild) ? count_windows (XWINDOW (window->vchild)) : 0) +
|
|
|
5753 (!NILP (window->hchild) ? count_windows (XWINDOW (window->hchild)) : 0);
|
|
|
5754 }
|
|
|
5755
|
|
|
5756 static int
|
|
|
5757 saved_window_index (Lisp_Object window, struct window_config *config, int lim)
|
|
|
5758 {
|
|
|
5759 int j;
|
|
|
5760 for (j = 0; j < lim; j++)
|
|
|
5761 {
|
|
|
5762 if (EQ (SAVED_WINDOW_N (config, j)->window, window))
|
|
|
5763 return j;
|
|
|
5764 }
|
|
|
5765 abort ();
|
|
|
5766 return 0; /* suppress compiler warning */
|
|
|
5767 }
|
|
|
5768
|
|
|
5769 static int
|
|
|
5770 save_window_save (Lisp_Object window, struct window_config *config, int i)
|
|
|
5771 {
|
|
|
5772 struct window *w;
|
|
|
5773
|
|
|
5774 for (; !NILP (window); window = w->next)
|
|
|
5775 {
|
|
|
5776 struct saved_window *p = SAVED_WINDOW_N (config, i);
|
|
|
5777
|
|
|
5778 w = XWINDOW (window);
|
|
|
5779 i++;
|
|
|
5780 p->window = window;
|
|
|
5781 p->buffer = w->buffer;
|
|
|
5782 WINDOW_LEFT (p) = WINDOW_LEFT (w);
|
|
|
5783 WINDOW_TOP (p) = WINDOW_TOP (w);
|
|
|
5784 WINDOW_WIDTH (p) = WINDOW_WIDTH (w);
|
|
|
5785 WINDOW_HEIGHT (p) = WINDOW_HEIGHT (w);
|
|
|
5786 p->hscroll = w->hscroll;
|
|
|
5787 p->modeline_hscroll = w->modeline_hscroll;
|
|
|
5788
|
|
|
5789 #define WINDOW_SLOT(slot, compare) p->slot = w->slot
|
|
|
5790 #include "winslots.h"
|
|
|
5791
|
|
|
5792 if (!NILP (w->buffer))
|
|
|
5793 {
|
|
|
5794 /* Save w's value of point in the window configuration.
|
|
|
5795 If w is the selected window, then get the value of point
|
|
|
5796 from the buffer; pointm is garbage in the selected window. */
|
|
|
5797 if (EQ (window, Fselected_window (Qnil)))
|
|
|
5798 {
|
|
|
5799 p->pointm = noseeum_make_marker ();
|
|
|
5800 Fset_marker (p->pointm,
|
|
|
5801 make_int (BUF_PT (XBUFFER (w->buffer))),
|
|
|
5802 w->buffer);
|
|
|
5803 }
|
|
|
5804 else
|
|
|
5805 p->pointm = noseeum_copy_marker (w->pointm[CURRENT_DISP], Qnil);
|
|
|
5806
|
|
|
5807 p->start = noseeum_copy_marker (w->start[CURRENT_DISP], Qnil);
|
|
|
5808 p->sb_point = noseeum_copy_marker (w->sb_point, Qnil);
|
|
|
5809 p->start_at_line_beg = w->start_at_line_beg;
|
|
|
5810
|
|
|
5811 p->mark = noseeum_copy_marker (XBUFFER (w->buffer)->mark, Qnil);
|
|
|
5812 }
|
|
|
5813 else
|
|
|
5814 {
|
|
|
5815 p->pointm = Qnil;
|
|
|
5816 p->start = Qnil;
|
|
|
5817 p->sb_point = Qnil;
|
|
|
5818 p->mark = Qnil;
|
|
|
5819 p->start_at_line_beg = 0;
|
|
|
5820 }
|
|
|
5821
|
|
|
5822 if (NILP (w->parent))
|
|
|
5823 p->parent_index = -1;
|
|
|
5824 else
|
|
|
5825 p->parent_index = saved_window_index (w->parent, config, i);
|
|
|
5826 if (NILP (w->prev))
|
|
|
5827 p->prev_index = -1;
|
|
|
5828 else
|
|
|
5829 p->prev_index = saved_window_index (w->prev, config, i);
|
|
|
5830 if (!NILP (w->vchild))
|
|
|
5831 i = save_window_save (w->vchild, config, i);
|
|
|
5832 if (!NILP (w->hchild))
|
|
|
5833 i = save_window_save (w->hchild, config, i);
|
|
|
5834 }
|
|
|
5835
|
|
|
5836 return i;
|
|
|
5837 }
|
|
|
5838
|
|
|
5839 #if 0 /* FSFmacs */
|
|
|
5840 /* Added to doc string:
|
|
|
5841
|
|
|
5842 This also records the currently selected frame, and FRAME's focus
|
|
|
5843 redirection (see `redirect-frame-focus').
|
|
|
5844
|
|
|
5845 */
|
|
|
5846 #endif
|
|
|
5847
|
|
|
5848 DEFUN ("current-window-configuration", Fcurrent_window_configuration, 0, 1, 0, /*
|
|
|
5849 Return an object representing the current window configuration of FRAME.
|
|
|
5850 If FRAME is nil or omitted, use the selected frame.
|
|
|
5851 This describes the number of windows, their sizes and current buffers,
|
|
444
|
5852 and for each window on FRAME the displayed buffer, where display
|
|
|
5853 starts, and the positions of point and mark.
|
|
|
5854 An exception is made for point in the current buffer:
|
|
428
|
5855 its value is -not- saved.
|
|
|
5856 */
|
|
|
5857 (frame))
|
|
|
5858 {
|
|
|
5859 Lisp_Object result;
|
|
|
5860 struct frame *f = decode_frame (frame);
|
|
|
5861 struct window_config *config;
|
|
456
|
5862 unsigned int n_windows = count_windows (XWINDOW (FRAME_ROOT_WINDOW (f)));
|
|
428
|
5863 int minibuf_height;
|
|
|
5864 int real_font_height;
|
|
|
5865
|
|
|
5866 if (n_windows <= countof (Vwindow_configuration_free_list))
|
|
|
5867 config = XWINDOW_CONFIGURATION (allocate_managed_lcrecord
|
|
|
5868 (Vwindow_configuration_free_list
|
|
|
5869 [n_windows - 1]));
|
|
|
5870 else
|
|
|
5871 /* More than ten windows; just allocate directly */
|
|
|
5872 config = (struct window_config *)
|
|
|
5873 alloc_lcrecord (sizeof_window_config_for_n_windows (n_windows),
|
|
|
5874 &lrecord_window_configuration);
|
|
|
5875 XSETWINDOW_CONFIGURATION (result, config);
|
|
|
5876 /*
|
|
|
5877 config->frame_width = FRAME_WIDTH (f);
|
|
|
5878 config->frame_height = FRAME_HEIGHT (f); */
|
|
450
|
5879 /* #### When using `push-window-configuration', often the minibuffer ends
|
|
442
|
5880 up as the selected window because functions run as the result of
|
|
|
5881 user interaction e.g. hyper-apropos. It seems to me the sensible
|
|
450
|
5882 thing to do is not record the minibuffer here.
|
|
|
5883
|
|
|
5884 #### Unfortunately this is a change to previous behaviour, however logical
|
|
|
5885 it may be, so revert for the moment. */
|
|
|
5886 #if 0
|
|
442
|
5887 if (FRAME_MINIBUF_ONLY_P (f) || minibuf_level)
|
|
|
5888 config->current_window = FRAME_SELECTED_WINDOW (f);
|
|
|
5889 else
|
|
|
5890 config->current_window = FRAME_LAST_NONMINIBUF_WINDOW (f);
|
|
450
|
5891 #endif
|
|
|
5892 config->current_window = FRAME_SELECTED_WINDOW (f);
|
|
428
|
5893 XSETBUFFER (config->current_buffer, current_buffer);
|
|
|
5894 config->minibuffer_scroll_window = Vminibuffer_scroll_window;
|
|
|
5895 config->root_window = FRAME_ROOT_WINDOW (f);
|
|
|
5896 config->min_height = window_min_height;
|
|
|
5897 config->min_width = window_min_width;
|
|
|
5898 config->saved_windows_count = n_windows;
|
|
|
5899 save_window_save (FRAME_ROOT_WINDOW (f), config, 0);
|
|
|
5900
|
|
|
5901 /* save the minibuffer height using the heuristics from
|
|
|
5902 change_frame_size_1 */
|
|
438
|
5903
|
|
428
|
5904 XSETFRAME (frame, f); /* frame could have been nil ! */
|
|
|
5905 default_face_height_and_width (frame, &real_font_height, 0);
|
|
|
5906 assert(real_font_height > 0);
|
|
438
|
5907
|
|
428
|
5908 if (FRAME_HAS_MINIBUF_P (f) && ! FRAME_MINIBUF_ONLY_P (f))
|
|
|
5909 minibuf_height = XWINDOW(FRAME_MINIBUF_WINDOW(f))->pixel_height;
|
|
|
5910 else
|
|
|
5911 minibuf_height = 0;
|
|
|
5912 config->minibuf_height = (minibuf_height % real_font_height) == 0 ?
|
|
|
5913 - (minibuf_height / real_font_height ) : /* lines */
|
|
|
5914 minibuf_height; /* pixels */
|
|
|
5915
|
|
|
5916 return result;
|
|
|
5917 }
|
|
|
5918
|
|
|
5919 Lisp_Object
|
|
|
5920 save_window_excursion_unwind (Lisp_Object window_config)
|
|
|
5921 {
|
|
|
5922 Lisp_Object val = Fset_window_configuration (window_config);
|
|
|
5923 free_window_configuration (window_config);
|
|
|
5924 return val;
|
|
|
5925 }
|
|
|
5926
|
|
|
5927 DEFUN ("save-window-excursion", Fsave_window_excursion, 0, UNEVALLED, 0, /*
|
|
|
5928 Execute body, preserving window sizes and contents.
|
|
|
5929 Restores which buffer appears in which window, where display starts,
|
|
|
5930 as well as the current buffer.
|
|
|
5931 Does not restore the value of point in current buffer.
|
|
|
5932 */
|
|
|
5933 (args))
|
|
|
5934 {
|
|
|
5935 /* This function can GC */
|
|
|
5936 Lisp_Object val;
|
|
|
5937 int speccount = specpdl_depth ();
|
|
|
5938
|
|
|
5939 record_unwind_protect (save_window_excursion_unwind,
|
|
|
5940 Fcurrent_window_configuration (Qnil));
|
|
|
5941 val = Fprogn (args);
|
|
|
5942 return unbind_to (speccount, val);
|
|
|
5943 }
|
|
|
5944
|
|
|
5945 DEFUN ("current-pixel-column", Fcurrent_pixel_column, 0, 2, 0, /*
|
|
|
5946 Return the horizontal pixel position of POS in window.
|
|
|
5947 Beginning of line is column 0. This is calculated using the redisplay
|
|
|
5948 display tables. If WINDOW is nil, the current window is assumed.
|
|
|
5949 If POS is nil, point is assumed. Note that POS must be visible for
|
|
|
5950 a non-nil result to be returned.
|
|
|
5951 */
|
|
|
5952 (window, pos))
|
|
|
5953 {
|
|
|
5954 struct window* w = decode_window (window);
|
|
|
5955 display_line_dynarr *dla = window_display_lines (w, CURRENT_DISP);
|
|
|
5956
|
|
|
5957 struct display_line *dl = 0;
|
|
|
5958 struct display_block *db = 0;
|
|
|
5959 struct rune* rb = 0;
|
|
|
5960 int y = w->last_point_y[CURRENT_DISP];
|
|
|
5961 int x = w->last_point_x[CURRENT_DISP];
|
|
|
5962
|
|
|
5963 if (MINI_WINDOW_P (w))
|
|
|
5964 return Qnil;
|
|
|
5965
|
|
|
5966 if (y<0 || x<0 || y >= Dynarr_length (dla) || !NILP (pos))
|
|
|
5967 {
|
|
|
5968 int first_line, i;
|
|
|
5969 Bufpos point;
|
|
|
5970
|
|
|
5971 if (NILP (pos))
|
|
|
5972 pos = Fwindow_point (window);
|
|
438
|
5973
|
|
428
|
5974 CHECK_INT (pos);
|
|
|
5975 point = XINT (pos);
|
|
|
5976
|
|
|
5977 if (Dynarr_length (dla) && Dynarr_atp (dla, 0)->modeline)
|
|
|
5978 first_line = 1;
|
|
|
5979 else
|
|
|
5980 first_line = 0;
|
|
|
5981
|
|
|
5982 for (i = first_line; i < Dynarr_length (dla); i++)
|
|
|
5983 {
|
|
|
5984 dl = Dynarr_atp (dla, i);
|
|
|
5985 /* find the vertical location first */
|
|
|
5986 if (point >= dl->bufpos && point <= dl->end_bufpos)
|
|
|
5987 {
|
|
|
5988 db = get_display_block_from_line (dl, TEXT);
|
|
|
5989 for (i = 0; i < Dynarr_length (db->runes); i++)
|
|
|
5990 {
|
|
|
5991 rb = Dynarr_atp (db->runes, i);
|
|
|
5992 if (point <= rb->bufpos)
|
|
|
5993 goto found_bufpos;
|
|
|
5994 }
|
|
|
5995 return Qnil;
|
|
|
5996 }
|
|
|
5997 }
|
|
|
5998 return Qnil;
|
|
|
5999 found_bufpos:
|
|
|
6000 ;
|
|
|
6001 }
|
|
|
6002 else
|
|
|
6003 {
|
|
442
|
6004 /* optimized case */
|
|
428
|
6005 dl = Dynarr_atp (dla, y);
|
|
|
6006 db = get_display_block_from_line (dl, TEXT);
|
|
|
6007
|
|
|
6008 if (x >= Dynarr_length (db->runes))
|
|
|
6009 return Qnil;
|
|
|
6010
|
|
|
6011 rb = Dynarr_atp (db->runes, x);
|
|
|
6012 }
|
|
|
6013
|
|
|
6014 return make_int (rb->xpos - WINDOW_LEFT (w));
|
|
|
6015 }
|
|
|
6016
|
|
|
6017
|
|
|
6018 #ifdef DEBUG_XEMACS
|
|
|
6019 /* This is short and simple in elisp, but... it was written to debug
|
|
|
6020 problems purely on the C side. That is where we need to call it so
|
|
|
6021 here it is. */
|
|
|
6022 static void
|
|
|
6023 debug_print_window (Lisp_Object window, int level)
|
|
|
6024 {
|
|
|
6025 int i;
|
|
|
6026 Lisp_Object child = Fwindow_first_vchild (window);
|
|
|
6027
|
|
|
6028 if (NILP (child))
|
|
|
6029 child = Fwindow_first_hchild (window);
|
|
|
6030
|
|
|
6031 for (i = level; i > 0; i--)
|
|
442
|
6032 stderr_out ("\t");
|
|
|
6033
|
|
|
6034 stderr_out ("#<window");
|
|
428
|
6035 {
|
|
|
6036 Lisp_Object buffer = XWINDOW (window)->buffer;
|
|
|
6037 if (!NILP (buffer) && BUFFERP (buffer))
|
|
442
|
6038 stderr_out (" on %s", XSTRING_DATA (XBUFFER (buffer)->name));
|
|
428
|
6039 }
|
|
442
|
6040 stderr_out (" 0x%x>", XWINDOW (window)->header.uid);
|
|
428
|
6041
|
|
|
6042 while (!NILP (child))
|
|
|
6043 {
|
|
|
6044 debug_print_window (child, level + 1);
|
|
|
6045 child = Fwindow_next_child (child);
|
|
|
6046 }
|
|
|
6047 }
|
|
|
6048
|
|
|
6049 void debug_print_windows (struct frame *f);
|
|
|
6050 void
|
|
|
6051 debug_print_windows (struct frame *f)
|
|
|
6052 {
|
|
|
6053 debug_print_window (f->root_window, 0);
|
|
|
6054 putc ('\n', stderr);
|
|
|
6055 }
|
|
|
6056 #endif /* DEBUG_XEMACS */
|
|
|
6057
|
|
|
6058
|
|
|
6059 /************************************************************************/
|
|
|
6060 /* initialization */
|
|
|
6061 /************************************************************************/
|
|
|
6062
|
|
|
6063 void
|
|
|
6064 syms_of_window (void)
|
|
|
6065 {
|
|
442
|
6066 INIT_LRECORD_IMPLEMENTATION (window);
|
|
|
6067 INIT_LRECORD_IMPLEMENTATION (window_configuration);
|
|
|
6068
|
|
428
|
6069 defsymbol (&Qwindowp, "windowp");
|
|
|
6070 defsymbol (&Qwindow_live_p, "window-live-p");
|
|
|
6071 defsymbol (&Qwindow_configurationp, "window-configuration-p");
|
|
|
6072 defsymbol (&Qtemp_buffer_show_hook, "temp-buffer-show-hook");
|
|
|
6073 defsymbol (&Qdisplay_buffer, "display-buffer");
|
|
|
6074
|
|
|
6075 #ifdef MEMORY_USAGE_STATS
|
|
|
6076 defsymbol (&Qface_cache, "face-cache");
|
|
|
6077 defsymbol (&Qglyph_cache, "glyph-cache");
|
|
|
6078 defsymbol (&Qline_start_cache, "line-start-cache");
|
|
|
6079 #ifdef HAVE_SCROLLBARS
|
|
|
6080 defsymbol (&Qscrollbar_instances, "scrollbar-instances");
|
|
|
6081 #endif
|
|
|
6082 defsymbol (&Qother_redisplay, "other-redisplay");
|
|
|
6083 /* Qother in general.c */
|
|
|
6084 #endif
|
|
|
6085
|
|
|
6086 DEFSUBR (Fselected_window);
|
|
|
6087 DEFSUBR (Flast_nonminibuf_window);
|
|
|
6088 DEFSUBR (Fminibuffer_window);
|
|
|
6089 DEFSUBR (Fwindow_minibuffer_p);
|
|
|
6090 DEFSUBR (Fwindowp);
|
|
|
6091 DEFSUBR (Fwindow_live_p);
|
|
|
6092 DEFSUBR (Fwindow_first_hchild);
|
|
|
6093 DEFSUBR (Fwindow_first_vchild);
|
|
|
6094 DEFSUBR (Fwindow_next_child);
|
|
|
6095 DEFSUBR (Fwindow_previous_child);
|
|
|
6096 DEFSUBR (Fwindow_parent);
|
|
|
6097 DEFSUBR (Fwindow_lowest_p);
|
|
|
6098 DEFSUBR (Fwindow_truncated_p);
|
|
|
6099 DEFSUBR (Fwindow_highest_p);
|
|
|
6100 DEFSUBR (Fwindow_leftmost_p);
|
|
|
6101 DEFSUBR (Fwindow_rightmost_p);
|
|
|
6102 DEFSUBR (Fpos_visible_in_window_p);
|
|
|
6103 DEFSUBR (Fwindow_buffer);
|
|
|
6104 DEFSUBR (Fwindow_frame);
|
|
|
6105 DEFSUBR (Fwindow_height);
|
|
|
6106 DEFSUBR (Fwindow_displayed_height);
|
|
|
6107 DEFSUBR (Fwindow_width);
|
|
442
|
6108 DEFSUBR (Fwindow_full_width);
|
|
428
|
6109 DEFSUBR (Fwindow_pixel_height);
|
|
|
6110 DEFSUBR (Fwindow_pixel_width);
|
|
442
|
6111 DEFSUBR (Fwindow_text_area_height);
|
|
428
|
6112 DEFSUBR (Fwindow_text_area_pixel_height);
|
|
|
6113 DEFSUBR (Fwindow_displayed_text_pixel_height);
|
|
|
6114 DEFSUBR (Fwindow_text_area_pixel_width);
|
|
|
6115 DEFSUBR (Fwindow_hscroll);
|
|
438
|
6116 DEFSUBR (Fset_window_hscroll);
|
|
428
|
6117 DEFSUBR (Fmodeline_hscroll);
|
|
|
6118 DEFSUBR (Fset_modeline_hscroll);
|
|
|
6119 #if 0 /* bogus FSF crock */
|
|
|
6120 DEFSUBR (Fwindow_redisplay_end_trigger);
|
|
|
6121 DEFSUBR (Fset_window_redisplay_end_trigger);
|
|
|
6122 #endif
|
|
|
6123 DEFSUBR (Fwindow_pixel_edges);
|
|
|
6124 DEFSUBR (Fwindow_text_area_pixel_edges);
|
|
|
6125 DEFSUBR (Fwindow_point);
|
|
|
6126 DEFSUBR (Fwindow_start);
|
|
|
6127 DEFSUBR (Fwindow_end);
|
|
442
|
6128 DEFSUBR (Fwindow_last_line_visible_height);
|
|
428
|
6129 DEFSUBR (Fset_window_point);
|
|
|
6130 DEFSUBR (Fset_window_start);
|
|
|
6131 DEFSUBR (Fwindow_dedicated_p);
|
|
|
6132 DEFSUBR (Fset_window_dedicated_p);
|
|
|
6133 DEFSUBR (Fnext_window);
|
|
|
6134 DEFSUBR (Fprevious_window);
|
|
|
6135 DEFSUBR (Fnext_vertical_window);
|
|
|
6136 DEFSUBR (Fother_window);
|
|
|
6137 DEFSUBR (Fget_lru_window);
|
|
|
6138 DEFSUBR (Fget_largest_window);
|
|
|
6139 DEFSUBR (Fget_buffer_window);
|
|
|
6140 DEFSUBR (Fwindow_left_margin_pixel_width);
|
|
|
6141 DEFSUBR (Fwindow_right_margin_pixel_width);
|
|
|
6142 DEFSUBR (Fdelete_other_windows);
|
|
|
6143 DEFSUBR (Fdelete_windows_on);
|
|
|
6144 DEFSUBR (Freplace_buffer_in_windows);
|
|
|
6145 DEFSUBR (Fdelete_window);
|
|
|
6146 DEFSUBR (Fset_window_buffer);
|
|
|
6147 DEFSUBR (Fselect_window);
|
|
|
6148 DEFSUBR (Fsplit_window);
|
|
|
6149 DEFSUBR (Fenlarge_window);
|
|
|
6150 DEFSUBR (Fenlarge_window_pixels);
|
|
|
6151 DEFSUBR (Fshrink_window);
|
|
|
6152 DEFSUBR (Fshrink_window_pixels);
|
|
|
6153 DEFSUBR (Fscroll_up);
|
|
|
6154 DEFSUBR (Fscroll_down);
|
|
|
6155 DEFSUBR (Fscroll_left);
|
|
|
6156 DEFSUBR (Fscroll_right);
|
|
|
6157 DEFSUBR (Fother_window_for_scrolling);
|
|
|
6158 DEFSUBR (Fscroll_other_window);
|
|
|
6159 DEFSUBR (Fcenter_to_window_line);
|
|
|
6160 DEFSUBR (Fmove_to_window_line);
|
|
|
6161 #ifdef MEMORY_USAGE_STATS
|
|
|
6162 DEFSUBR (Fwindow_memory_usage);
|
|
|
6163 #endif
|
|
|
6164 DEFSUBR (Fwindow_configuration_p);
|
|
|
6165 DEFSUBR (Fset_window_configuration);
|
|
|
6166 DEFSUBR (Fcurrent_window_configuration);
|
|
|
6167 DEFSUBR (Fsave_window_excursion);
|
|
|
6168 DEFSUBR (Fcurrent_pixel_column);
|
|
|
6169 }
|
|
|
6170
|
|
|
6171 void
|
|
|
6172 reinit_vars_of_window (void)
|
|
|
6173 {
|
|
456
|
6174 unsigned int i;
|
|
428
|
6175 /* Make sure all windows get marked */
|
|
|
6176 minibuf_window = Qnil;
|
|
|
6177 staticpro_nodump (&minibuf_window);
|
|
|
6178
|
|
|
6179 for (i = 0; i < countof (Vwindow_configuration_free_list); i++)
|
|
|
6180 {
|
|
|
6181 Vwindow_configuration_free_list[i] =
|
|
|
6182 make_lcrecord_list (sizeof_window_config_for_n_windows (i + 1),
|
|
|
6183 &lrecord_window_configuration);
|
|
|
6184 staticpro_nodump (&Vwindow_configuration_free_list[i]);
|
|
|
6185 }
|
|
|
6186 }
|
|
|
6187
|
|
|
6188 void
|
|
|
6189 vars_of_window (void)
|
|
|
6190 {
|
|
|
6191 reinit_vars_of_window ();
|
|
|
6192
|
|
|
6193 DEFVAR_BOOL ("scroll-on-clipped-lines", &scroll_on_clipped_lines /*
|
|
|
6194 *Non-nil means to scroll if point lands on a line which is clipped.
|
|
|
6195 */ );
|
|
|
6196 scroll_on_clipped_lines = 1;
|
|
|
6197
|
|
|
6198 DEFVAR_LISP ("temp-buffer-show-hook", &Vtemp_buffer_show_hook /*
|
|
|
6199 See `temp-buffer-show-function'.
|
|
|
6200 */ );
|
|
|
6201 Vtemp_buffer_show_hook = Qnil;
|
|
|
6202
|
|
|
6203 DEFVAR_LISP ("temp-buffer-show-function", &Vtemp_buffer_show_function /*
|
|
|
6204 Non-nil means call as function to display a help buffer.
|
|
|
6205 The function is called with one argument, the buffer to be displayed.
|
|
|
6206 Used by `with-output-to-temp-buffer'.
|
|
|
6207 If this function is used, then it must do the entire job of showing
|
|
|
6208 the buffer; `temp-buffer-show-hook' is not run unless this function runs it.
|
|
442
|
6209 \(`temp-buffer-show-hook' is obsolete. Do not use in new code.)
|
|
428
|
6210 */ );
|
|
|
6211 Vtemp_buffer_show_function = Qnil;
|
|
|
6212
|
|
|
6213 DEFVAR_LISP ("minibuffer-scroll-window", &Vminibuffer_scroll_window /*
|
|
|
6214 Non-nil means it is the window that \\<minibuffer-local-map>\\[scroll-other-window] in minibuffer should scroll.
|
|
|
6215 */ );
|
|
|
6216 Vminibuffer_scroll_window = Qnil;
|
|
|
6217
|
|
|
6218 DEFVAR_LISP ("other-window-scroll-buffer", &Vother_window_scroll_buffer /*
|
|
|
6219 If non-nil, this is a buffer and \\[scroll-other-window] should scroll its window.
|
|
|
6220 */ );
|
|
|
6221 Vother_window_scroll_buffer = Qnil;
|
|
|
6222
|
|
|
6223 DEFVAR_LISP ("window-pixel-scroll-increment", &Vwindow_pixel_scroll_increment /*
|
|
|
6224 *Number of pixels to scroll by per requested line.
|
|
|
6225 If nil then normal line scrolling occurs regardless of line height.
|
|
|
6226 If t then scrolling is done in increments equal to the height of the default face.
|
|
|
6227 */ );
|
|
|
6228 Vwindow_pixel_scroll_increment = Qt;
|
|
|
6229
|
|
|
6230 DEFVAR_INT ("next-screen-context-lines", &next_screen_context_lines /*
|
|
|
6231 *Number of lines of continuity when scrolling by screenfuls.
|
|
|
6232 */ );
|
|
|
6233 next_screen_context_lines = 2;
|
|
|
6234
|
|
|
6235 DEFVAR_INT ("window-min-height", &window_min_height /*
|
|
|
6236 *Delete any window less than this tall (including its modeline).
|
|
|
6237 */ );
|
|
|
6238 window_min_height = 4;
|
|
|
6239
|
|
|
6240 DEFVAR_INT ("window-min-width", &window_min_width /*
|
|
|
6241 *Delete any window less than this wide.
|
|
|
6242 */ );
|
|
|
6243 window_min_width = 10;
|
|
|
6244 }
|
|
|
6245
|
|
|
6246 void
|
|
|
6247 specifier_vars_of_window (void)
|
|
|
6248 {
|
|
|
6249 DEFVAR_SPECIFIER ("modeline-shadow-thickness", &Vmodeline_shadow_thickness /*
|
|
|
6250 *How thick to draw 3D shadows around modelines.
|
|
|
6251 If this is set to 0, modelines will be the traditional 2D. Sizes above
|
|
|
6252 10 will be accepted but the maximum thickness that will be drawn is 10.
|
|
|
6253 This is a specifier; use `set-specifier' to change it.
|
|
|
6254 */ );
|
|
|
6255 Vmodeline_shadow_thickness = Fmake_specifier (Qinteger);
|
|
|
6256 /* The initial value for modeline-shadow-thickness is 2, but if the
|
|
|
6257 user removes all specifications we provide a fallback value of 0,
|
|
|
6258 which is probably what was expected. */
|
|
|
6259 set_specifier_fallback (Vmodeline_shadow_thickness,
|
|
|
6260 list1 (Fcons (Qnil, Qzero)));
|
|
|
6261 Fadd_spec_to_specifier (Vmodeline_shadow_thickness, make_int (2),
|
|
|
6262 Qnil, Qnil, Qnil);
|
|
|
6263 set_specifier_caching (Vmodeline_shadow_thickness,
|
|
438
|
6264 offsetof (struct window, modeline_shadow_thickness),
|
|
428
|
6265 modeline_shadow_thickness_changed,
|
|
444
|
6266 0, 0, 0);
|
|
428
|
6267
|
|
|
6268 DEFVAR_SPECIFIER ("has-modeline-p", &Vhas_modeline_p /*
|
|
|
6269 *Whether the modeline should be displayed.
|
|
|
6270 This is a specifier; use `set-specifier' to change it.
|
|
|
6271 */ );
|
|
|
6272 Vhas_modeline_p = Fmake_specifier (Qboolean);
|
|
|
6273 set_specifier_fallback (Vhas_modeline_p,
|
|
|
6274 list1 (Fcons (Qnil, Qt)));
|
|
|
6275 set_specifier_caching (Vhas_modeline_p,
|
|
438
|
6276 offsetof (struct window, has_modeline_p),
|
|
428
|
6277 /* #### It's strange that we need a special
|
|
|
6278 flag to indicate that the shadow-thickness
|
|
|
6279 has changed, but not one to indicate that
|
|
|
6280 the modeline has been turned off or on. */
|
|
|
6281 some_window_value_changed,
|
|
444
|
6282 0, 0, 0);
|
|
428
|
6283
|
|
|
6284 DEFVAR_SPECIFIER ("vertical-divider-always-visible-p",
|
|
|
6285 &Vvertical_divider_always_visible_p /*
|
|
|
6286 *Should XEmacs always display vertical dividers between windows.
|
|
|
6287
|
|
|
6288 When this is non-nil, vertical dividers are always shown, and are
|
|
|
6289 draggable. When it is nil, vertical dividers are shown only when
|
|
|
6290 there are no scrollbars in between windows, and are not draggable.
|
|
|
6291
|
|
|
6292 This is a specifier; use `set-specifier' to change it.
|
|
|
6293 */ );
|
|
|
6294 Vvertical_divider_always_visible_p = Fmake_specifier (Qboolean);
|
|
|
6295 set_specifier_fallback (Vvertical_divider_always_visible_p,
|
|
|
6296 list1 (Fcons (Qnil, Qt)));
|
|
|
6297 set_specifier_caching (Vvertical_divider_always_visible_p,
|
|
438
|
6298 offsetof (struct window,
|
|
|
6299 vertical_divider_always_visible_p),
|
|
428
|
6300 vertical_divider_changed_in_window,
|
|
444
|
6301 0, 0, 0);
|
|
428
|
6302
|
|
|
6303 DEFVAR_SPECIFIER ("vertical-divider-shadow-thickness", &Vvertical_divider_shadow_thickness /*
|
|
|
6304 *How thick to draw 3D shadows around vertical dividers.
|
|
|
6305 This is a specifier; use `set-specifier' to change it.
|
|
|
6306 */ );
|
|
|
6307 Vvertical_divider_shadow_thickness = Fmake_specifier (Qinteger);
|
|
|
6308 set_specifier_fallback (Vvertical_divider_shadow_thickness,
|
|
|
6309 list1 (Fcons (Qnil, Qzero)));
|
|
|
6310 Fadd_spec_to_specifier (Vvertical_divider_shadow_thickness, make_int (2),
|
|
|
6311 Qnil, Qnil, Qnil);
|
|
|
6312 set_specifier_caching (Vvertical_divider_shadow_thickness,
|
|
438
|
6313 offsetof (struct window,
|
|
|
6314 vertical_divider_shadow_thickness),
|
|
428
|
6315 vertical_divider_changed_in_window,
|
|
444
|
6316 0, 0, 0);
|
|
428
|
6317 DEFVAR_SPECIFIER ("vertical-divider-line-width", &Vvertical_divider_line_width /*
|
|
|
6318 *The width of the vertical dividers, not including shadows.
|
|
|
6319
|
|
|
6320 For TTY windows, divider line is always one character wide. When
|
|
|
6321 instance of this specifier is zero in a TTY window, no divider is
|
|
|
6322 drawn at all between windows. When non-zero, a one character wide
|
|
|
6323 divider is displayed.
|
|
|
6324
|
|
|
6325 This is a specifier; use `set-specifier' to change it.
|
|
|
6326 */ );
|
|
|
6327
|
|
|
6328 Vvertical_divider_line_width = Fmake_specifier (Qnatnum);
|
|
|
6329 {
|
|
|
6330 Lisp_Object fb = Qnil;
|
|
|
6331 #ifdef HAVE_TTY
|
|
|
6332 fb = Fcons (Fcons (list1 (Qtty), make_int (1)), fb);
|
|
|
6333 #endif
|
|
462
|
6334 #ifdef HAVE_GTK
|
|
|
6335 fb = Fcons (Fcons (list1 (Qgtk), make_int (3)), fb);
|
|
|
6336 #endif
|
|
428
|
6337 #ifdef HAVE_X_WINDOWS
|
|
|
6338 fb = Fcons (Fcons (list1 (Qx), make_int (3)), fb);
|
|
|
6339 #endif
|
|
|
6340 #ifdef HAVE_MS_WINDOWS
|
|
|
6341 /* #### This should be made magic and made to obey system settings */
|
|
|
6342 fb = Fcons (Fcons (list1 (Qmswindows), make_int (3)), fb);
|
|
|
6343 #endif
|
|
|
6344 set_specifier_fallback (Vvertical_divider_line_width, fb);
|
|
|
6345 }
|
|
|
6346 set_specifier_caching (Vvertical_divider_line_width,
|
|
438
|
6347 offsetof (struct window,
|
|
|
6348 vertical_divider_line_width),
|
|
428
|
6349 vertical_divider_changed_in_window,
|
|
444
|
6350 0, 0, 0);
|
|
428
|
6351
|
|
|
6352 DEFVAR_SPECIFIER ("vertical-divider-spacing", &Vvertical_divider_spacing /*
|
|
|
6353 *How much space to leave around the vertical dividers.
|
|
|
6354
|
|
|
6355 In TTY windows, spacing is always zero, and the value of this
|
|
|
6356 specifier is ignored.
|
|
|
6357
|
|
|
6358 This is a specifier; use `set-specifier' to change it.
|
|
|
6359 */ );
|
|
|
6360 Vvertical_divider_spacing = Fmake_specifier (Qnatnum);
|
|
|
6361 {
|
|
|
6362 Lisp_Object fb = Qnil;
|
|
|
6363 #ifdef HAVE_TTY
|
|
|
6364 fb = Fcons (Fcons (list1 (Qtty), Qzero), fb);
|
|
|
6365 #endif
|
|
|
6366 #ifdef HAVE_X_WINDOWS
|
|
|
6367 /* #### 3D dividers look great on MS Windows with spacing = 0.
|
|
|
6368 Should not the same value be the fallback under X? - kkm */
|
|
|
6369 fb = Fcons (Fcons (list1 (Qx), make_int (2)), fb);
|
|
|
6370 #endif
|
|
462
|
6371 #ifdef HAVE_GTK
|
|
|
6372 fb = Fcons (Fcons (list1 (Qgtk), Qzero), fb);
|
|
|
6373 #endif
|
|
428
|
6374 #ifdef HAVE_MS_WINDOWS
|
|
|
6375 fb = Fcons (Fcons (list1 (Qmswindows), Qzero), fb);
|
|
|
6376 #endif
|
|
|
6377 set_specifier_fallback (Vvertical_divider_spacing, fb);
|
|
|
6378 }
|
|
|
6379 set_specifier_caching (Vvertical_divider_spacing,
|
|
438
|
6380 offsetof (struct window, vertical_divider_spacing),
|
|
428
|
6381 vertical_divider_changed_in_window,
|
|
444
|
6382 0, 0, 0);
|
|
|
6383 }
|
