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