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