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