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0
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1 /* Synchronize redisplay structures and output changes.
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2 Copyright (C) 1994, 1995 Board of Trustees, University of Illinois.
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3 Copyright (C) 1995, 1996 Ben Wing.
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4 Copyright (C) 1996 Chuck Thompson.
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398
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5 Copyright (C) 1999 Andy Piper.
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0
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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: Not in FSF. */
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25
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26 /* This file has been Mule-ized. */
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27
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28 /* Author: Chuck Thompson */
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29
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398
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30 /* Heavily hacked for modularity, gutter and subwindow support by Andy
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31 Piper. */
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32
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0
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33 #include <config.h>
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34 #include "lisp.h"
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35
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36 #include "buffer.h"
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37 #include "window.h"
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38 #include "frame.h"
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39 #include "device.h"
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40 #include "glyphs.h"
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41 #include "redisplay.h"
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42 #include "faces.h"
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43
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44 static int compare_runes (struct window *w, struct rune *crb,
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45 struct rune *drb);
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46 static void redraw_cursor_in_window (struct window *w,
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47 int run_end_begin_glyphs);
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388
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48 static void redisplay_output_display_block (struct window *w, struct display_line *dl,
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49 int block, int start, int end, int start_pixpos,
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398
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50 int cursor_start, int cursor_width,
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388
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51 int cursor_height);
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398
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52 static void redisplay_normalize_display_box (struct display_box* dest,
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53 struct display_glyph_area* src);
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54 static int redisplay_display_boxes_in_window_p (struct window* w,
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55 struct display_box* db,
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56 struct display_glyph_area* dga);
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57 static void redisplay_clear_clipped_region (Lisp_Object locale, face_index findex,
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58 struct display_box* dest,
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59 struct display_glyph_area* glyphsrc,
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60 int fullheight_p, Lisp_Object);
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0
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61
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62 /*****************************************************************************
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63 sync_rune_structs
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64
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65 Synchronize the given rune blocks.
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66 ****************************************************************************/
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67 static void
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68 sync_rune_structs (struct window *w, rune_dynarr *cra, rune_dynarr *dra)
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69 {
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70 int rune_elt;
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71 int max_move = ((Dynarr_length (dra) > Dynarr_largest (cra))
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72 ? Dynarr_largest (cra)
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73 : Dynarr_length (dra));
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74
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75 if (max_move)
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76 {
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77 /* #### Doing this directly breaks the encapsulation. But, the
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78 running time of this function has a measurable impact on
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79 redisplay performance so avoiding all excess overhead is a
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80 good thing. Is all of this true? */
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81 memcpy (cra->base, dra->base, sizeof (struct rune) * max_move);
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82 Dynarr_set_size (cra, max_move);
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83 }
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84 else
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85 Dynarr_reset (cra);
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86
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87 for (rune_elt = max_move; rune_elt < Dynarr_length (dra); rune_elt++)
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88 {
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89 struct rune rb, *crb;
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90 struct rune *drb = Dynarr_atp (dra, rune_elt);
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91
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92 crb = &rb;
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93 memcpy (crb, drb, sizeof (struct rune));
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94 Dynarr_add (cra, *crb);
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95 }
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96 }
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97
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98 /*****************************************************************************
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99 sync_display_line_structs
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100
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101 For the given LINE in window W, make the current display line equal
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102 the desired display line.
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103 ****************************************************************************/
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404
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104 void
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0
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105 sync_display_line_structs (struct window *w, int line, int do_blocks,
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106 display_line_dynarr *cdla,
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107 display_line_dynarr *ddla)
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108 {
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109 int cdla_len = Dynarr_length (cdla);
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110
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111 struct display_line dl, *clp, *dlp;
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112 int db_elt;
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113
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114 dlp = Dynarr_atp (ddla, line);
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115 if (line >= Dynarr_largest (cdla))
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116 {
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117 clp = &dl;
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185
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118 clp->display_blocks = Dynarr_new (display_block);
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0
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119 }
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120 else
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121 {
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122 clp = Dynarr_atp (cdla, line);
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123 if (clp->display_blocks)
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124 Dynarr_reset (clp->display_blocks);
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125 if (clp->left_glyphs)
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126 {
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127 Dynarr_free (clp->left_glyphs);
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128 clp->left_glyphs = 0;
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129 }
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130 if (clp->right_glyphs)
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131 {
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132 Dynarr_free (clp->right_glyphs);
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133 clp->right_glyphs = 0;
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134 }
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135 }
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136 {
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137 display_block_dynarr *tdb = clp->display_blocks;
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138
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139 memcpy (clp, dlp, sizeof (struct display_line));
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140 clp->display_blocks = tdb;
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141 clp->left_glyphs = 0;
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142 clp->right_glyphs = 0;
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143 }
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144
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145 if (!do_blocks && line >= cdla_len)
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146 {
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147 Dynarr_add (cdla, *clp);
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148 return;
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149 }
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150
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151 for (db_elt = 0; db_elt < Dynarr_length (dlp->display_blocks); db_elt++)
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152 {
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153 struct display_block db, *cdb;
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154 struct display_block *ddb = Dynarr_atp (dlp->display_blocks, db_elt);
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155
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156 if (db_elt >= Dynarr_largest (clp->display_blocks))
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157 {
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158 cdb = &db;
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159 memcpy (cdb, ddb, sizeof (struct display_block));
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185
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160 cdb->runes = Dynarr_new (rune);
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0
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161 Dynarr_add (clp->display_blocks, *cdb);
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162 }
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163 else
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164 {
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165 rune_dynarr *tr;
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166
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167 cdb = Dynarr_atp (clp->display_blocks, db_elt);
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168 tr = cdb->runes;
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169 memcpy (cdb, ddb, sizeof (struct display_block));
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170 cdb->runes = tr;
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171 Dynarr_increment (clp->display_blocks);
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172 }
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173
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174 sync_rune_structs (w, cdb->runes, ddb->runes);
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175 }
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176
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177 if (line >= cdla_len)
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178 Dynarr_add (cdla, *clp);
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179 }
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180
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181 /*****************************************************************************
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182 compare_runes
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183
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184 Compare to runes to see if each of their fields is equal. If so,
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185 return true otherwise return false.
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186 ****************************************************************************/
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187 static int
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188 compare_runes (struct window *w, struct rune *crb, struct rune *drb)
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189 {
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190 /* Do not compare the values of bufpos and endpos. They do not
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191 affect the display characteristics. */
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192
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398
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193 /* Note: (hanoi 6) spends 95% of its time in redisplay, and about
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194 30% here. Not using bitfields for rune.type alone gives a redisplay
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195 speed up of 10%.
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196
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197 #### In profile arcs run of a normal Gnus session this function
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198 is run 6.76 million times, only to return 1 in 6.73 million of
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199 those.
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200
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201 In addition a quick look GCC sparc assembly shows that GCC is not
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202 doing a good job here.
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203 1. The function is not inlined (too complicated?)
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204 2. It seems to be reloading the crb and drb variables all the
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205 time.
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206 3. It doesn't seem to notice that the second half of these if's
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207 are really a switch statement.
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208
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209 So I (JV) conjecture
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210
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211 #### It would really be worth it to arrange for this function to
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212 be (almost) a single call to memcmp. */
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213
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404
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214 if (crb->xpos != drb->xpos)
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0
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215 return 0;
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216 else if (crb->width != drb->width)
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217 return 0;
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218 else if (crb->cursor_type != drb->cursor_type)
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219 return 0;
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220 else if (crb->type != drb->type)
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221 return 0;
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222 else if (crb->type == RUNE_CHAR &&
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223 (crb->object.chr.ch != drb->object.chr.ch))
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224 return 0;
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398
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225 else if (crb->type == RUNE_HLINE &&
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226 (crb->object.hline.thickness != drb->object.hline.thickness ||
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227 crb->object.hline.yoffset != drb->object.hline.yoffset))
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228 return 0;
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0
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229 else if (crb->type == RUNE_DGLYPH &&
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230 (!EQ (crb->object.dglyph.glyph, drb->object.dglyph.glyph) ||
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231 !EQ (crb->object.dglyph.extent, drb->object.dglyph.extent) ||
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232 crb->object.dglyph.xoffset != drb->object.dglyph.xoffset))
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233 return 0;
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398
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234 /* Only check dirtiness if we know something has changed. */
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235 else if (crb->type == RUNE_DGLYPH &&
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404
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236 ((XFRAME (w->frame)->glyphs_changed &&
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237 XGLYPH_DIRTYP (crb->object.dglyph.glyph)) ||
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238 crb->findex != drb->findex))
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398
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239 {
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404
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240 /* We need some way of telling redisplay_output_layout () that the
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241 only reason we are outputting it is because something has
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242 changed internally. That way we can optimize whether we need
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243 to clear the layout first and also only output the components
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244 that have changed. The image_instance dirty flag and
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245 display_hash are no good to us because these will invariably
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246 have been set anyway if the layout has changed. So it looks
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247 like we need yet another change flag that we can set here and
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248 then clear in redisplay_output_layout (). */
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249 Lisp_Object window, image;
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250 Lisp_Image_Instance* ii;
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251 XSETWINDOW (window, w);
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252 image = glyph_image_instance (crb->object.dglyph.glyph,
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253 window, ERROR_ME_NOT, 1);
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254 ii = XIMAGE_INSTANCE (image);
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255
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256 if (TEXT_IMAGE_INSTANCEP (image) &&
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257 (crb->findex != drb->findex ||
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258 WINDOW_FACE_CACHEL_DIRTY (w, drb->findex)))
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398
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259 return 0;
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404
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260
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261 /* It is quite common of the two glyphs to be EQ since in many
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262 cases they will actually be the same object. This does not
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263 mean, however, that nothing has changed. We therefore need to
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264 check the current hash of the glyph against the last recorded
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265 display hash. See update_subwindow (). */
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266 if (IMAGE_INSTANCE_DISPLAY_HASH (ii) == 0 ||
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267 IMAGE_INSTANCE_DISPLAY_HASH (ii) !=
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268 internal_hash (image, IMAGE_INSTANCE_HASH_DEPTH) ||
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269 crb->findex != drb->findex ||
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270 WINDOW_FACE_CACHEL_DIRTY (w, drb->findex))
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271 {
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272 /* We now now we are going to re-output the glyph, but since
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273 this is for some internal reason not related to geometry
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274 changes, send a hint to the output routines that they can
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275 take some short cuts. This is most useful for
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276 layouts. This flag should get reset by the output
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277 routines.
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278
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279 #### It is possible for us to get here when the
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280 face_cachel is dirty. I do not know what the implications
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281 of this are.*/
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282 IMAGE_INSTANCE_OPTIMIZE_OUTPUT (ii) = 1;
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283 return 0;
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284 }
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398
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285 else
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286 return 1;
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287 }
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404
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288 /* We now do this last so that glyph checks can do their own thing
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289 for face changes. Face changes quite often happen when we are
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290 trying to output something in the gutter, this would normally
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291 lead to a lot of flashing. The indices can quite often be
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292 different and yet the faces are the same, we do not want to
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293 re-output in this instance. */
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294 else if (crb->findex != drb->findex ||
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295 WINDOW_FACE_CACHEL_DIRTY (w, drb->findex))
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296 return 0;
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0
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297 else
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298 return 1;
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299 }
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300
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301 /*****************************************************************************
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302 get_next_display_block
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303
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304 Return the next display starting at or overlapping START_POS. Return
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305 the start of the next region in NEXT_START.
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306 ****************************************************************************/
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307 int
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308 get_next_display_block (layout_bounds bounds, display_block_dynarr *dba,
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309 int start_pos, int *next_start)
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310 {
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311 int next_display_block = NO_BLOCK;
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312 int priority = -1;
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313 int block;
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314
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315 /* If we don't find a display block covering or starting at
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316 start_pos, then we return the starting point of the next display
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317 block or the next division boundary, whichever is closer to
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318 start_pos. */
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319 if (next_start)
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320 {
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321 if (start_pos >= bounds.left_out && start_pos < bounds.left_in)
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322 *next_start = bounds.left_in;
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323 else if (start_pos < bounds.left_white)
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324 *next_start = bounds.left_white;
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325 else if (start_pos < bounds.right_white)
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326 *next_start = bounds.right_white;
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327 else if (start_pos < bounds.right_in)
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328 *next_start = bounds.right_in;
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329 else if (start_pos <= bounds.right_out)
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330 *next_start = bounds.right_out;
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331 else
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332 abort ();
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333 }
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334
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335 for (block = 0; block < Dynarr_length (dba); block++)
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336 {
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337 struct display_block *db = Dynarr_atp (dba, block);
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338
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339 if (db->start_pos <= start_pos && db->end_pos > start_pos)
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340 {
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341 if ((int) db->type > priority)
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342 {
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343 priority = db->type;
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344 next_display_block = block;
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345 if (next_start)
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346 *next_start = db->end_pos;
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347 }
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348 }
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349 else if (next_start && db->start_pos > start_pos)
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350 {
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351 if (db->start_pos < *next_start)
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352 *next_start = db->start_pos;
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353 }
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354 }
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355
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356 return next_display_block;
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357 }
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358
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359 /*****************************************************************************
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360 get_cursor_size_and_location
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361
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362 Return the information defining the pixel location of the cursor.
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363 ****************************************************************************/
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364 static void
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365 get_cursor_size_and_location (struct window *w, struct display_block *db,
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366 int cursor_location,
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367 int *cursor_start, int *cursor_width,
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368 int *cursor_height)
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369 {
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370 struct rune *rb;
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272
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371 Lisp_Object window;
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0
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372 int defheight, defwidth;
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373
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374 if (Dynarr_length (db->runes) <= cursor_location)
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375 abort ();
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376
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377 XSETWINDOW (window, w);
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378
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379 rb = Dynarr_atp (db->runes, cursor_location);
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380 *cursor_start = rb->xpos;
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381
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382 default_face_height_and_width (window, &defheight, &defwidth);
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383 *cursor_height = defheight;
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384
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385 if (rb->type == RUNE_BLANK)
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386 *cursor_width = defwidth;
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387 else
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388 *cursor_width = rb->width;
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389 }
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390
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391 /*****************************************************************************
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|
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392 compare_display_blocks
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393
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|
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394 Given two display blocks, output only those areas where they differ.
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|
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395 ****************************************************************************/
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|
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396 static int
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|
|
397 compare_display_blocks (struct window *w, struct display_line *cdl,
|
|
|
398 struct display_line *ddl, int c_block, int d_block,
|
|
|
399 int start_pixpos, int cursor_start, int cursor_width,
|
|
|
400 int cursor_height)
|
|
|
401 {
|
|
|
402 struct frame *f = XFRAME (w->frame);
|
|
|
403 struct display_block *cdb, *ddb;
|
|
|
404 int start_pos;
|
|
|
405 int stop_pos;
|
|
|
406 int force = 0;
|
|
|
407 int block_end;
|
|
|
408
|
|
|
409 cdb = Dynarr_atp (cdl->display_blocks, c_block);
|
|
|
410 ddb = Dynarr_atp (ddl->display_blocks, d_block);
|
|
|
411
|
|
|
412 assert (cdb->type == ddb->type);
|
|
|
413
|
|
|
414 start_pos = -1;
|
|
|
415 stop_pos = min (Dynarr_length (cdb->runes), Dynarr_length (ddb->runes));
|
|
|
416
|
|
|
417 block_end =
|
|
|
418 (!Dynarr_length (ddb->runes)
|
|
|
419 ? 0
|
|
|
420 : (Dynarr_atp (ddb->runes, Dynarr_length (ddb->runes) - 1)->xpos +
|
|
|
421 Dynarr_atp (ddb->runes, Dynarr_length (ddb->runes) - 1)->width));
|
|
|
422
|
|
|
423 /* If the new block type is not text and the cursor status is
|
|
|
424 changing and it overlaps the position of this block then force a
|
|
|
425 full redraw of the block in order to make sure that the cursor is
|
|
|
426 updated properly. */
|
|
|
427 if (ddb->type != TEXT
|
|
116
|
428 #if 0
|
|
|
429 /* I'm not sure exactly what this code wants to do, but it's
|
|
|
430 * not right--it doesn't update when cursor_elt changes from, e.g.,
|
|
|
431 * 0 to 8, and the new or old cursor loc overlaps this block.
|
|
|
432 * I've replaced it with the more conservative test below.
|
|
|
433 * -dkindred@cs.cmu.edu 23-Mar-1997 */
|
|
0
|
434 && ((cdl->cursor_elt == -1 && ddl->cursor_elt != -1)
|
|
|
435 || (cdl->cursor_elt != -1 && ddl->cursor_elt == -1))
|
|
|
436 && (ddl->cursor_elt == -1 ||
|
|
|
437 (cursor_start
|
|
|
438 && cursor_width
|
|
|
439 && (cursor_start + cursor_width) >= start_pixpos
|
|
116
|
440 && cursor_start <= block_end))
|
|
|
441 #else
|
|
|
442 && (cdl->cursor_elt != ddl->cursor_elt)
|
|
|
443 #endif
|
|
|
444 )
|
|
0
|
445 force = 1;
|
|
|
446
|
|
|
447 if (f->windows_structure_changed ||
|
|
398
|
448 /* #### Why is this so? We have face cachels so that we don't
|
|
|
449 have to recalculate all the display blocks when faces
|
|
|
450 change. I have fixed this for glyphs and am inclined to think
|
|
|
451 that faces should "Just Work", but I'm not feeling brave
|
|
|
452 today. Maybe its because the face cachels represent merged
|
|
|
453 faces rather than simply instantiations in a particular
|
|
|
454 domain. */
|
|
0
|
455 f->faces_changed ||
|
|
|
456 cdl->ypos != ddl->ypos ||
|
|
|
457 cdl->ascent != ddl->ascent ||
|
|
|
458 cdl->descent != ddl->descent ||
|
|
|
459 cdl->clip != ddl->clip ||
|
|
|
460 force)
|
|
|
461 {
|
|
|
462 start_pos = 0;
|
|
|
463 force = 1;
|
|
|
464 }
|
|
|
465 else
|
|
|
466 {
|
|
|
467 int elt = 0;
|
|
|
468
|
|
|
469 while (start_pos < 0 && elt < stop_pos)
|
|
|
470 {
|
|
|
471 if (!compare_runes (w, Dynarr_atp (cdb->runes, elt),
|
|
|
472 Dynarr_atp (ddb->runes, elt)))
|
|
|
473 {
|
|
|
474 start_pos = elt;
|
|
|
475 }
|
|
|
476 else
|
|
|
477 {
|
|
|
478 elt++;
|
|
|
479 }
|
|
|
480 }
|
|
|
481
|
|
|
482 /* If nothing has changed in the area where the blocks overlap, but
|
|
|
483 there are new blocks in the desired block, then adjust the start
|
|
|
484 point accordingly. */
|
|
|
485 if (elt == stop_pos && stop_pos < Dynarr_length (ddb->runes))
|
|
|
486 start_pos = stop_pos;
|
|
|
487 }
|
|
|
488
|
|
|
489 if (start_pos >= 0)
|
|
|
490 {
|
|
|
491 if ((Dynarr_length (ddb->runes) != Dynarr_length (cdb->runes))
|
|
|
492 || force)
|
|
|
493 {
|
|
|
494 stop_pos = Dynarr_length (ddb->runes);
|
|
|
495 }
|
|
|
496 else
|
|
|
497 {
|
|
|
498 /* If the lines have the same number of runes and we are not
|
|
|
499 forcing a full redraw because the display line has
|
|
|
500 changed position then we try and optimize how much of the
|
|
|
501 line we actually redraw by scanning backwards from the
|
|
|
502 end for the first changed rune. This optimization is
|
|
|
503 almost always triggered by face changes. */
|
|
|
504
|
|
|
505 int elt = Dynarr_length (ddb->runes) - 1;
|
|
|
506
|
|
|
507 while (elt > start_pos)
|
|
|
508 {
|
|
|
509 if (!compare_runes (w, Dynarr_atp (cdb->runes, elt),
|
|
|
510 Dynarr_atp (ddb->runes, elt)))
|
|
|
511 break;
|
|
|
512 else
|
|
|
513 elt--;
|
|
|
514 }
|
|
|
515 stop_pos = elt + 1;
|
|
|
516 }
|
|
|
517
|
|
388
|
518 redisplay_output_display_block (w, ddl, d_block, start_pos,
|
|
|
519 stop_pos, start_pixpos,
|
|
|
520 cursor_start, cursor_width,
|
|
|
521 cursor_height);
|
|
0
|
522 return 1;
|
|
|
523 }
|
|
|
524
|
|
|
525 return 0;
|
|
|
526 }
|
|
|
527
|
|
|
528 /*****************************************************************************
|
|
|
529 clear_left_border
|
|
|
530
|
|
|
531 Clear the lefthand outside border.
|
|
|
532 ****************************************************************************/
|
|
|
533 static void
|
|
|
534 clear_left_border (struct window *w, int y, int height)
|
|
|
535 {
|
|
|
536 struct frame *f = XFRAME (w->frame);
|
|
|
537 Lisp_Object window;
|
|
|
538
|
|
|
539 XSETWINDOW (window, w);
|
|
384
|
540 redisplay_clear_region (window, DEFAULT_INDEX,
|
|
|
541 FRAME_LEFT_BORDER_START (f), y,
|
|
|
542 FRAME_BORDER_WIDTH (f), height);
|
|
0
|
543 }
|
|
|
544
|
|
|
545 /*****************************************************************************
|
|
|
546 clear_right_border
|
|
|
547
|
|
|
548 Clear the righthand outside border.
|
|
|
549 ****************************************************************************/
|
|
|
550 static void
|
|
|
551 clear_right_border (struct window *w, int y, int height)
|
|
|
552 {
|
|
|
553 struct frame *f = XFRAME (w->frame);
|
|
|
554 Lisp_Object window;
|
|
|
555
|
|
|
556 XSETWINDOW (window, w);
|
|
384
|
557 redisplay_clear_region (window, DEFAULT_INDEX,
|
|
|
558 FRAME_RIGHT_BORDER_START (f),
|
|
|
559 y, FRAME_BORDER_WIDTH (f), height);
|
|
0
|
560 }
|
|
|
561
|
|
|
562 /*****************************************************************************
|
|
|
563 output_display_line
|
|
|
564
|
|
|
565 Ensure that the contents of the given display line is correct
|
|
|
566 on-screen. The force_ parameters are used by redisplay_move_cursor
|
|
|
567 to correctly update cursor locations and only cursor locations.
|
|
|
568 ****************************************************************************/
|
|
|
569 void
|
|
|
570 output_display_line (struct window *w, display_line_dynarr *cdla,
|
|
|
571 display_line_dynarr *ddla, int line, int force_start,
|
|
|
572 int force_end)
|
|
|
573
|
|
|
574 {
|
|
|
575 struct frame *f = XFRAME (w->frame);
|
|
|
576 struct buffer *b = XBUFFER (w->buffer);
|
|
|
577 struct buffer *old_b = window_display_buffer (w);
|
|
|
578 struct display_line *cdl, *ddl;
|
|
|
579 display_block_dynarr *cdba, *ddba;
|
|
|
580 int start_pixpos, end_pixpos;
|
|
|
581 int cursor_start, cursor_width, cursor_height;
|
|
|
582
|
|
|
583 int force = (force_start >= 0 || force_end >= 0);
|
|
|
584 int clear_border = 0;
|
|
|
585 int must_sync = 0;
|
|
|
586
|
|
|
587 if (cdla && line < Dynarr_length (cdla))
|
|
|
588 {
|
|
|
589 cdl = Dynarr_atp (cdla, line);
|
|
|
590 cdba = cdl->display_blocks;
|
|
|
591 }
|
|
|
592 else
|
|
|
593 {
|
|
|
594 cdl = NULL;
|
|
|
595 cdba = NULL;
|
|
|
596 }
|
|
|
597
|
|
|
598 ddl = Dynarr_atp (ddla, line); /* assert line < Dynarr_length (ddla) */
|
|
|
599 ddba = ddl->display_blocks;
|
|
|
600
|
|
|
601 if (force_start >= 0 && force_start >= ddl->bounds.left_out)
|
|
|
602 start_pixpos = force_start;
|
|
|
603 else
|
|
|
604 start_pixpos = ddl->bounds.left_out;
|
|
|
605
|
|
|
606 if (force_end >= 0 && force_end < ddl->bounds.right_out)
|
|
|
607 end_pixpos = force_end;
|
|
|
608 else
|
|
|
609 end_pixpos = ddl->bounds.right_out;
|
|
|
610
|
|
|
611 /* Get the cursor parameters. */
|
|
|
612 if (ddl->cursor_elt != -1)
|
|
|
613 {
|
|
|
614 struct display_block *db;
|
|
|
615
|
|
|
616 /* If the lines cursor parameter is not -1 then it indicates
|
|
|
617 which rune in the TEXT block contains the cursor. This means
|
|
|
618 that there must be at least one display block. The TEXT
|
|
|
619 block, if present, must always be the first display block. */
|
|
|
620 assert (Dynarr_length (ddba) != 0);
|
|
|
621
|
|
|
622 db = Dynarr_atp (ddba, 0);
|
|
|
623 assert (db->type == TEXT);
|
|
|
624
|
|
|
625 get_cursor_size_and_location (w, db, ddl->cursor_elt, &cursor_start,
|
|
|
626 &cursor_width, &cursor_height);
|
|
|
627 }
|
|
|
628 else
|
|
|
629 {
|
|
|
630 cursor_start = cursor_width = cursor_height = 0;
|
|
|
631 }
|
|
|
632
|
|
|
633 /* The modeline should only have a single block and it had better be
|
|
|
634 a TEXT block. */
|
|
|
635 if (ddl->modeline)
|
|
|
636 {
|
|
380
|
637 /* The shadow thickness check is necessary if only the sign of
|
|
0
|
638 the size changed. */
|
|
|
639 if (cdba && !w->shadow_thickness_changed)
|
|
|
640 {
|
|
|
641 must_sync |= compare_display_blocks (w, cdl, ddl, 0, 0,
|
|
|
642 start_pixpos, 0, 0, 0);
|
|
|
643 }
|
|
|
644 else
|
|
|
645 {
|
|
388
|
646 redisplay_output_display_block (w, ddl, 0, 0, -1, start_pixpos,
|
|
|
647 0, 0, 0);
|
|
0
|
648 must_sync = 1;
|
|
|
649 }
|
|
|
650
|
|
|
651 if (must_sync)
|
|
|
652 clear_border = 1;
|
|
|
653 }
|
|
|
654
|
|
|
655 while (!ddl->modeline && start_pixpos < end_pixpos)
|
|
|
656 {
|
|
|
657 int block;
|
|
|
658 int next_start_pixpos;
|
|
|
659
|
|
|
660 block = get_next_display_block (ddl->bounds, ddba, start_pixpos,
|
|
|
661 &next_start_pixpos);
|
|
|
662
|
|
|
663 /* If we didn't find a block then we should blank the area
|
|
|
664 between start_pos and next_start if necessary. */
|
|
|
665 if (block == NO_BLOCK)
|
|
|
666 {
|
|
|
667 /* We only erase those areas which were actually previously
|
|
|
668 covered by a display block unless the window structure
|
|
|
669 changed. In that case we clear all areas since the current
|
|
|
670 structures may actually represent a different buffer. */
|
|
|
671 while (start_pixpos < next_start_pixpos)
|
|
|
672 {
|
|
|
673 int block_end;
|
|
|
674 int old_block;
|
|
|
675
|
|
|
676 if (cdba)
|
|
|
677 old_block = get_next_display_block (ddl->bounds, cdba,
|
|
|
678 start_pixpos, &block_end);
|
|
|
679 else
|
|
|
680 {
|
|
|
681 old_block = NO_BLOCK;
|
|
|
682 block_end = next_start_pixpos;
|
|
|
683 }
|
|
|
684
|
|
|
685 if (!cdba || old_block != NO_BLOCK || b != old_b ||
|
|
|
686 f->windows_structure_changed ||
|
|
|
687 f->faces_changed ||
|
|
|
688 force ||
|
|
|
689 (cdl && (cdl->ypos != ddl->ypos ||
|
|
|
690 cdl->ascent != ddl->ascent ||
|
|
|
691 cdl->descent != ddl->descent ||
|
|
398
|
692 cdl->top_clip != ddl->top_clip ||
|
|
0
|
693 cdl->clip != ddl->clip)))
|
|
|
694 {
|
|
|
695 int x, y, width, height;
|
|
398
|
696 face_index findex;
|
|
0
|
697
|
|
|
698 must_sync = 1;
|
|
|
699 x = start_pixpos;
|
|
398
|
700 y = DISPLAY_LINE_YPOS (ddl);
|
|
0
|
701 width = min (next_start_pixpos, block_end) - x;
|
|
398
|
702 height = DISPLAY_LINE_HEIGHT (ddl);
|
|
0
|
703
|
|
|
704 if (x < ddl->bounds.left_in)
|
|
398
|
705 {
|
|
|
706 findex = ddl->left_margin_findex ?
|
|
|
707 ddl->left_margin_findex
|
|
|
708 : get_builtin_face_cache_index (w, Vleft_margin_face);
|
|
|
709 }
|
|
0
|
710 else if (x < ddl->bounds.right_in)
|
|
398
|
711 {
|
|
|
712 /* no check here because DEFAULT_INDEX == 0 anyway */
|
|
|
713 findex = ddl->default_findex;
|
|
|
714 }
|
|
0
|
715 else if (x < ddl->bounds.right_out)
|
|
398
|
716 {
|
|
|
717 findex = ddl->right_margin_findex ?
|
|
|
718 ddl->right_margin_findex
|
|
|
719 : get_builtin_face_cache_index (w, Vright_margin_face);
|
|
|
720 }
|
|
0
|
721 else
|
|
398
|
722 findex = (face_index) -1;
|
|
0
|
723
|
|
398
|
724 if (findex != (face_index) -1)
|
|
0
|
725 {
|
|
|
726 Lisp_Object window;
|
|
|
727
|
|
|
728 XSETWINDOW (window, w);
|
|
|
729
|
|
|
730 /* Clear the empty area. */
|
|
398
|
731 redisplay_clear_region (window, findex, x, y, width, height);
|
|
0
|
732
|
|
|
733 /* Mark that we should clear the border. This is
|
|
|
734 necessary because italic fonts may leave
|
|
|
735 droppings in the border. */
|
|
|
736 clear_border = 1;
|
|
|
737 }
|
|
|
738 }
|
|
|
739
|
|
|
740 start_pixpos = min (next_start_pixpos, block_end);
|
|
|
741 }
|
|
|
742 }
|
|
|
743 else
|
|
|
744 {
|
|
|
745 struct display_block *cdb, *ddb;
|
|
|
746 int block_end;
|
|
|
747 int old_block;
|
|
|
748
|
|
|
749 if (cdba)
|
|
|
750 old_block = get_next_display_block (ddl->bounds, cdba,
|
|
|
751 start_pixpos, &block_end);
|
|
|
752 else
|
|
|
753 old_block = NO_BLOCK;
|
|
|
754
|
|
|
755 ddb = Dynarr_atp (ddba, block);
|
|
|
756 cdb = (old_block != NO_BLOCK ? Dynarr_atp (cdba, old_block) : 0);
|
|
|
757
|
|
|
758 /* If there was formerly no block over the current
|
|
|
759 region or if it was a block of a different type, then
|
|
|
760 output the entire ddb. Otherwise, compare cdb and
|
|
|
761 ddb and output only the changed region. */
|
|
398
|
762 if (!force && cdb && ddb->type == cdb->type
|
|
|
763 /* If there was no buffer being display before the
|
|
|
764 compare anyway as we might be outputting a gutter. */
|
|
|
765 &&
|
|
|
766 (b == old_b || !old_b))
|
|
0
|
767 {
|
|
|
768 must_sync |= compare_display_blocks (w, cdl, ddl, old_block,
|
|
|
769 block, start_pixpos,
|
|
|
770 cursor_start, cursor_width,
|
|
|
771 cursor_height);
|
|
|
772 }
|
|
|
773 else
|
|
|
774 {
|
|
|
775 int elt;
|
|
|
776 int first_elt = 0;
|
|
|
777 int last_elt = -1;
|
|
|
778
|
|
|
779 for (elt = 0; elt < Dynarr_length (ddb->runes); elt++)
|
|
|
780 {
|
|
|
781 struct rune *rb = Dynarr_atp (ddb->runes, elt);
|
|
|
782
|
|
|
783 if (start_pixpos >= rb->xpos
|
|
|
784 && start_pixpos < rb->xpos + rb->width)
|
|
|
785 first_elt = elt;
|
|
|
786
|
|
|
787 if (end_pixpos > rb->xpos
|
|
|
788 && end_pixpos <= rb->xpos + rb->width)
|
|
|
789 {
|
|
|
790 last_elt = elt + 1;
|
|
|
791 if (last_elt > Dynarr_length (ddb->runes))
|
|
|
792 last_elt = Dynarr_length (ddb->runes);
|
|
|
793 break;
|
|
|
794 }
|
|
|
795 }
|
|
|
796
|
|
|
797 must_sync = 1;
|
|
388
|
798 redisplay_output_display_block (w, ddl, block, first_elt,
|
|
|
799 last_elt,
|
|
|
800 start_pixpos,
|
|
|
801 cursor_start, cursor_width,
|
|
|
802 cursor_height);
|
|
0
|
803 }
|
|
398
|
804
|
|
0
|
805 start_pixpos = next_start_pixpos;
|
|
|
806 }
|
|
|
807 }
|
|
|
808
|
|
|
809 /* Clear the internal border if we are next to it and the window
|
|
|
810 structure or frame size has changed or if something caused
|
|
|
811 clear_border to be tripped. */
|
|
|
812 /* #### Doing this on f->clear sucks but is necessary because of
|
|
|
813 window-local background values. */
|
|
|
814 if (f->windows_structure_changed || f->faces_changed || clear_border
|
|
|
815 || f->clear)
|
|
|
816 {
|
|
398
|
817 int y = DISPLAY_LINE_YPOS (ddl);
|
|
|
818 int height = DISPLAY_LINE_HEIGHT (ddl);
|
|
0
|
819
|
|
398
|
820 /* If we are in the gutter then we musn't clear the borders. */
|
|
|
821 if (y >= WINDOW_TEXT_TOP (w) && (y + height) <= WINDOW_TEXT_BOTTOM (w))
|
|
0
|
822 {
|
|
398
|
823 if (ddl->modeline)
|
|
|
824 {
|
|
|
825 y -= MODELINE_SHADOW_THICKNESS (w);
|
|
|
826 height += (2 * MODELINE_SHADOW_THICKNESS (w));
|
|
|
827 }
|
|
0
|
828
|
|
398
|
829 if (window_is_leftmost (w))
|
|
|
830 clear_left_border (w, y, height);
|
|
|
831 if (window_is_rightmost (w))
|
|
|
832 clear_right_border (w, y, height);
|
|
|
833 }
|
|
0
|
834 }
|
|
|
835
|
|
|
836 if (cdla)
|
|
|
837 sync_display_line_structs (w, line, must_sync, cdla, ddla);
|
|
|
838 }
|
|
|
839
|
|
|
840 /*****************************************************************************
|
|
|
841 redisplay_move_cursor
|
|
|
842
|
|
|
843 For the given window W, move the cursor to NEW_POINT. Returns a
|
|
|
844 boolean indicating success or failure.
|
|
|
845 ****************************************************************************/
|
|
|
846
|
|
|
847 #define ADJ_BUFPOS (rb->bufpos + dl->offset)
|
|
|
848 #define ADJ_ENDPOS (rb->endpos + dl->offset)
|
|
|
849
|
|
|
850 int
|
|
|
851 redisplay_move_cursor (struct window *w, Bufpos new_point, int no_output_end)
|
|
|
852 {
|
|
|
853 struct frame *f = XFRAME (w->frame);
|
|
|
854 struct device *d = XDEVICE (f->device);
|
|
|
855
|
|
|
856 display_line_dynarr *cla = window_display_lines (w, CURRENT_DISP);
|
|
|
857 struct display_line *dl;
|
|
|
858 struct display_block *db;
|
|
|
859 struct rune *rb;
|
|
|
860 int x = w->last_point_x[CURRENT_DISP];
|
|
|
861 int y = w->last_point_y[CURRENT_DISP];
|
|
|
862
|
|
263
|
863 /*
|
|
265
|
864 * Bail if cursor_in_echo_area is non-zero and we're fiddling with
|
|
|
865 * the cursor in a non-active minibuffer window, since that is a
|
|
|
866 * special case that is handled elsewhere and this function need
|
|
|
867 * not handle it. Return 1 so the caller will assume we
|
|
263
|
868 * succeeded.
|
|
|
869 */
|
|
265
|
870 if (cursor_in_echo_area && MINI_WINDOW_P (w) &&
|
|
|
871 w != XWINDOW (FRAME_SELECTED_WINDOW (f)))
|
|
263
|
872 return 1;
|
|
|
873
|
|
0
|
874 if (y < 0 || y >= Dynarr_length (cla))
|
|
|
875 return 0;
|
|
|
876
|
|
|
877 dl = Dynarr_atp (cla, y);
|
|
|
878 db = get_display_block_from_line (dl, TEXT);
|
|
|
879
|
|
|
880 if (x < 0 || x >= Dynarr_length (db->runes))
|
|
|
881 return 0;
|
|
|
882
|
|
|
883 rb = Dynarr_atp (db->runes, x);
|
|
|
884
|
|
|
885 if (rb->cursor_type == CURSOR_OFF)
|
|
|
886 return 0;
|
|
|
887 else if (ADJ_BUFPOS == new_point
|
|
|
888 || (ADJ_ENDPOS && (new_point >= ADJ_BUFPOS)
|
|
|
889 && (new_point <= ADJ_ENDPOS)))
|
|
|
890 {
|
|
|
891 w->last_point_x[CURRENT_DISP] = x;
|
|
|
892 w->last_point_y[CURRENT_DISP] = y;
|
|
|
893 Fset_marker (w->last_point[CURRENT_DISP], make_int (ADJ_BUFPOS),
|
|
|
894 w->buffer);
|
|
|
895 dl->cursor_elt = x;
|
|
|
896 return 1;
|
|
|
897 }
|
|
|
898 else
|
|
|
899 {
|
|
|
900 DEVMETH (d, output_begin, (d));
|
|
|
901
|
|
|
902 /* #### This is a gross kludge. Cursor handling is such a royal
|
|
|
903 pain in the ass. */
|
|
|
904 if (rb->type == RUNE_DGLYPH &&
|
|
|
905 (EQ (rb->object.dglyph.glyph, Vtruncation_glyph) ||
|
|
|
906 EQ (rb->object.dglyph.glyph, Vcontinuation_glyph)))
|
|
|
907 rb->cursor_type = NO_CURSOR;
|
|
|
908 else
|
|
|
909 rb->cursor_type = CURSOR_OFF;
|
|
|
910 dl->cursor_elt = -1;
|
|
|
911 output_display_line (w, 0, cla, y, rb->xpos, rb->xpos + rb->width);
|
|
|
912 }
|
|
|
913
|
|
|
914 w->last_point_x[CURRENT_DISP] = -1;
|
|
|
915 w->last_point_y[CURRENT_DISP] = -1;
|
|
|
916 Fset_marker (w->last_point[CURRENT_DISP], Qnil, w->buffer);
|
|
|
917
|
|
|
918 /* If this isn't the selected frame, then erasing the old cursor is
|
|
|
919 all we actually had to do. */
|
|
|
920 if (w != XWINDOW (FRAME_SELECTED_WINDOW (device_selected_frame (d))))
|
|
|
921 {
|
|
|
922 if (!no_output_end)
|
|
|
923 DEVMETH (d, output_end, (d));
|
|
|
924
|
|
|
925 return 1;
|
|
|
926 }
|
|
|
927
|
|
|
928 /* This should only occur in the minibuffer. */
|
|
|
929 if (new_point == 0)
|
|
|
930 {
|
|
|
931 w->last_point_x[CURRENT_DISP] = 0;
|
|
|
932 w->last_point_y[CURRENT_DISP] = y;
|
|
|
933 Fset_marker (w->last_point[CURRENT_DISP], Qzero, w->buffer);
|
|
|
934
|
|
|
935 rb = Dynarr_atp (db->runes, 0);
|
|
|
936 rb->cursor_type = CURSOR_ON;
|
|
|
937 dl->cursor_elt = 0;
|
|
|
938
|
|
|
939 output_display_line (w, 0, cla, y, rb->xpos, rb->xpos + rb->width);
|
|
|
940
|
|
|
941 if (!no_output_end)
|
|
|
942 DEVMETH (d, output_end, (d));
|
|
|
943 return 1;
|
|
|
944 }
|
|
|
945 else
|
|
|
946 {
|
|
|
947 int cur_rb = 0;
|
|
|
948 int first = 0;
|
|
|
949 int cur_dl, up;
|
|
|
950
|
|
|
951 if (ADJ_BUFPOS < new_point)
|
|
|
952 {
|
|
|
953 up = 1;
|
|
|
954 cur_rb = x + 1;
|
|
|
955 cur_dl = y;
|
|
|
956 }
|
|
|
957 else /* (rb->bufpos + dl->offset) > new_point */
|
|
|
958 {
|
|
|
959 up = 0;
|
|
|
960
|
|
|
961 if (!x)
|
|
|
962 {
|
|
|
963 cur_dl = y - 1;
|
|
|
964 first = 0;
|
|
|
965 }
|
|
|
966 else
|
|
|
967 {
|
|
|
968 cur_rb = x - 1;
|
|
|
969 cur_dl = y;
|
|
|
970 first = 1;
|
|
|
971 }
|
|
|
972 }
|
|
|
973
|
|
398
|
974 while (up ? (cur_dl < Dynarr_length (cla)) : (cur_dl >= 0))
|
|
0
|
975 {
|
|
|
976 dl = Dynarr_atp (cla, cur_dl);
|
|
|
977 db = get_display_block_from_line (dl, TEXT);
|
|
|
978
|
|
|
979 if (!up && !first)
|
|
|
980 cur_rb = Dynarr_length (db->runes) - 1;
|
|
|
981
|
|
|
982 while ((!scroll_on_clipped_lines || !dl->clip) &&
|
|
|
983 (up ? (cur_rb < Dynarr_length (db->runes)) : (cur_rb >= 0)))
|
|
|
984 {
|
|
|
985 rb = Dynarr_atp (db->runes, cur_rb);
|
|
|
986
|
|
|
987 if (rb->cursor_type != IGNORE_CURSOR
|
|
|
988 && rb->cursor_type != NO_CURSOR &&
|
|
|
989 (ADJ_BUFPOS == new_point
|
|
|
990 || (ADJ_ENDPOS && (new_point >= ADJ_BUFPOS)
|
|
|
991 && (new_point <= ADJ_BUFPOS))))
|
|
|
992 {
|
|
|
993 rb->cursor_type = CURSOR_ON;
|
|
|
994 dl->cursor_elt = cur_rb;
|
|
185
|
995
|
|
0
|
996
|
|
|
997 output_display_line (w, 0, cla, cur_dl, rb->xpos,
|
|
|
998 rb->xpos + rb->width);
|
|
|
999
|
|
|
1000 w->last_point_x[CURRENT_DISP] = cur_rb;
|
|
|
1001 w->last_point_y[CURRENT_DISP] = cur_dl;
|
|
|
1002 Fset_marker (w->last_point[CURRENT_DISP],
|
|
|
1003 make_int (ADJ_BUFPOS), w->buffer);
|
|
|
1004
|
|
|
1005 if (!no_output_end)
|
|
|
1006 DEVMETH (d, output_end, (d));
|
|
|
1007 return 1;
|
|
|
1008 }
|
|
|
1009
|
|
|
1010 (up ? cur_rb++ : cur_rb--);
|
|
|
1011 }
|
|
|
1012
|
|
|
1013 (up ? (cur_rb = 0) : (first = 0));
|
|
|
1014 (up ? cur_dl++ : cur_dl--);
|
|
|
1015 }
|
|
|
1016 }
|
|
|
1017
|
|
|
1018 if (!no_output_end)
|
|
|
1019 DEVMETH (d, output_end, (d));
|
|
|
1020 return 0;
|
|
|
1021 }
|
|
|
1022 #undef ADJ_BUFPOS
|
|
|
1023 #undef ADJ_ENDPOS
|
|
|
1024
|
|
|
1025 /*****************************************************************************
|
|
|
1026 redraw_cursor_in_window
|
|
|
1027
|
|
|
1028 For the given window W, redraw the cursor if it is contained within
|
|
|
1029 the window.
|
|
|
1030 ****************************************************************************/
|
|
|
1031 static void
|
|
|
1032 redraw_cursor_in_window (struct window *w, int run_end_begin_meths)
|
|
|
1033 {
|
|
|
1034 struct frame *f = XFRAME (w->frame);
|
|
|
1035 struct device *d = XDEVICE (f->device);
|
|
|
1036
|
|
|
1037 display_line_dynarr *dla = window_display_lines (w, CURRENT_DISP);
|
|
|
1038 struct display_line *dl;
|
|
|
1039 struct display_block *db;
|
|
|
1040 struct rune *rb;
|
|
|
1041
|
|
|
1042 int x = w->last_point_x[CURRENT_DISP];
|
|
|
1043 int y = w->last_point_y[CURRENT_DISP];
|
|
|
1044
|
|
265
|
1045 if (cursor_in_echo_area && MINI_WINDOW_P (w) &&
|
|
|
1046 !echo_area_active (f) && minibuf_level == 0)
|
|
|
1047 {
|
|
|
1048 MAYBE_DEVMETH (d, set_final_cursor_coords, (f, w->pixel_top, 0));
|
|
|
1049 }
|
|
|
1050
|
|
0
|
1051 if (y < 0 || y >= Dynarr_length (dla))
|
|
|
1052 return;
|
|
|
1053
|
|
|
1054 if (MINI_WINDOW_P (w) && f != device_selected_frame (d) &&
|
|
|
1055 !is_surrogate_for_selected_frame (f))
|
|
|
1056 return;
|
|
|
1057
|
|
|
1058 dl = Dynarr_atp (dla, y);
|
|
|
1059 db = get_display_block_from_line (dl, TEXT);
|
|
|
1060
|
|
|
1061 if (x < 0 || x >= Dynarr_length (db->runes))
|
|
|
1062 return;
|
|
|
1063
|
|
|
1064 rb = Dynarr_atp (db->runes, x);
|
|
|
1065
|
|
|
1066 /* Don't call the output routine if the block isn't actually the
|
|
|
1067 cursor. */
|
|
|
1068 if (rb->cursor_type == CURSOR_ON)
|
|
|
1069 {
|
|
265
|
1070 MAYBE_DEVMETH (d, set_final_cursor_coords,
|
|
|
1071 (f, dl->ypos - 1, rb->xpos));
|
|
|
1072
|
|
0
|
1073 if (run_end_begin_meths)
|
|
|
1074 DEVMETH (d, output_begin, (d));
|
|
|
1075
|
|
|
1076 output_display_line (w, 0, dla, y, rb->xpos, rb->xpos + rb->width);
|
|
|
1077
|
|
|
1078 if (run_end_begin_meths)
|
|
|
1079 DEVMETH (d, output_end, (d));
|
|
|
1080 }
|
|
|
1081 }
|
|
|
1082
|
|
|
1083 /*****************************************************************************
|
|
|
1084 redisplay_redraw_cursor
|
|
|
1085
|
|
|
1086 For the given frame F, redraw the cursor on the selected window.
|
|
|
1087 This is used to update the cursor after focus changes.
|
|
|
1088 ****************************************************************************/
|
|
|
1089 void
|
|
|
1090 redisplay_redraw_cursor (struct frame *f, int run_end_begin_meths)
|
|
|
1091 {
|
|
272
|
1092 Lisp_Object window;
|
|
|
1093
|
|
|
1094 if (!cursor_in_echo_area)
|
|
|
1095 window = FRAME_SELECTED_WINDOW (f);
|
|
|
1096 else if (FRAME_HAS_MINIBUF_P (f))
|
|
|
1097 window = FRAME_MINIBUF_WINDOW (f);
|
|
|
1098 else
|
|
|
1099 return;
|
|
|
1100
|
|
|
1101 redraw_cursor_in_window (XWINDOW (window), run_end_begin_meths);
|
|
0
|
1102 }
|
|
|
1103
|
|
384
|
1104 /****************************************************************************
|
|
388
|
1105 redisplay_output_display_block
|
|
|
1106
|
|
|
1107 Given a display line, a block number for that start line, output all
|
|
|
1108 runes between start and end in the specified display block.
|
|
|
1109 ****************************************************************************/
|
|
|
1110 static void
|
|
|
1111 redisplay_output_display_block (struct window *w, struct display_line *dl, int block,
|
|
|
1112 int start, int end, int start_pixpos, int cursor_start,
|
|
|
1113 int cursor_width, int cursor_height)
|
|
|
1114 {
|
|
|
1115 struct frame *f = XFRAME (w->frame);
|
|
|
1116 struct device *d = XDEVICE (f->device);
|
|
404
|
1117 /* Temporarily disabled until generalization is done. */
|
|
|
1118 #if 0
|
|
398
|
1119 struct display_block *db = Dynarr_atp (dl->display_blocks, block);
|
|
|
1120 rune_dynarr *rba = db->runes;
|
|
|
1121 struct rune *rb;
|
|
|
1122 int xpos, width;
|
|
|
1123 rb = Dynarr_atp (rba, start);
|
|
388
|
1124
|
|
398
|
1125 if (!rb)
|
|
|
1126 /* Nothing to do so don't do anything. */
|
|
|
1127 return;
|
|
|
1128
|
|
|
1129 xpos = max (start_pixpos, rb->xpos);
|
|
|
1130
|
|
|
1131 if (end < 0)
|
|
|
1132 end = Dynarr_length (rba);
|
|
|
1133
|
|
|
1134 rb = Dynarr_atp (rba, end - 1);
|
|
|
1135 width = rb->xpos + rb->width - xpos;
|
|
404
|
1136 #endif
|
|
398
|
1137 /* now actually output the block. */
|
|
388
|
1138 DEVMETH (d, output_display_block, (w, dl, block, start,
|
|
|
1139 end, start_pixpos,
|
|
|
1140 cursor_start, cursor_width,
|
|
|
1141 cursor_height));
|
|
|
1142 }
|
|
398
|
1143
|
|
388
|
1144 /****************************************************************************
|
|
384
|
1145 redisplay_unmap_subwindows
|
|
|
1146
|
|
|
1147 Remove subwindows from the area in the box defined by the given
|
|
|
1148 parameters.
|
|
|
1149 ****************************************************************************/
|
|
398
|
1150 static void redisplay_unmap_subwindows (struct frame* f, int x, int y, int width, int height,
|
|
|
1151 Lisp_Object ignored_window)
|
|
384
|
1152 {
|
|
|
1153 int elt;
|
|
|
1154
|
|
|
1155 for (elt = 0; elt < Dynarr_length (f->subwindow_cachels); elt++)
|
|
|
1156 {
|
|
|
1157 struct subwindow_cachel *cachel =
|
|
|
1158 Dynarr_atp (f->subwindow_cachels, elt);
|
|
|
1159
|
|
|
1160 if (cachel->being_displayed
|
|
|
1161 &&
|
|
|
1162 cachel->x + cachel->width > x && cachel->x < x + width
|
|
|
1163 &&
|
|
398
|
1164 cachel->y + cachel->height > y && cachel->y < y + height
|
|
|
1165 &&
|
|
|
1166 !EQ (cachel->subwindow, ignored_window))
|
|
384
|
1167 {
|
|
|
1168 unmap_subwindow (cachel->subwindow);
|
|
|
1169 }
|
|
|
1170 }
|
|
|
1171 }
|
|
|
1172
|
|
|
1173 /****************************************************************************
|
|
388
|
1174 redisplay_unmap_subwindows_maybe
|
|
|
1175
|
|
|
1176 Potentially subwindows from the area in the box defined by the given
|
|
|
1177 parameters.
|
|
|
1178 ****************************************************************************/
|
|
|
1179 void redisplay_unmap_subwindows_maybe (struct frame* f, int x, int y, int width, int height)
|
|
|
1180 {
|
|
|
1181 if (Dynarr_length (FRAME_SUBWINDOW_CACHE (f)))
|
|
|
1182 {
|
|
398
|
1183 redisplay_unmap_subwindows (f, x, y, width, height, Qnil);
|
|
|
1184 }
|
|
|
1185 }
|
|
|
1186
|
|
|
1187 static void redisplay_unmap_subwindows_except_us (struct frame* f, int x, int y, int width,
|
|
|
1188 int height, Lisp_Object subwindow)
|
|
|
1189 {
|
|
|
1190 if (Dynarr_length (FRAME_SUBWINDOW_CACHE (f)))
|
|
|
1191 {
|
|
|
1192 redisplay_unmap_subwindows (f, x, y, width, height, subwindow);
|
|
388
|
1193 }
|
|
|
1194 }
|
|
|
1195
|
|
|
1196 /****************************************************************************
|
|
384
|
1197 redisplay_output_subwindow
|
|
|
1198
|
|
|
1199 output a subwindow. This code borrows heavily from the pixmap stuff,
|
|
|
1200 although is much simpler not needing to account for partial
|
|
|
1201 pixmaps, backgrounds etc.
|
|
|
1202 ****************************************************************************/
|
|
|
1203 void
|
|
398
|
1204 redisplay_output_subwindow (struct window *w,
|
|
|
1205 Lisp_Object image_instance,
|
|
|
1206 struct display_box* db, struct display_glyph_area* dga,
|
|
|
1207 face_index findex, int cursor_start, int cursor_width,
|
|
|
1208 int cursor_height)
|
|
384
|
1209 {
|
|
398
|
1210 Lisp_Image_Instance *p = XIMAGE_INSTANCE (image_instance);
|
|
384
|
1211 Lisp_Object window;
|
|
398
|
1212 struct display_glyph_area sdga;
|
|
|
1213
|
|
|
1214 dga->height = IMAGE_INSTANCE_HEIGHT (p);
|
|
|
1215 dga->width = IMAGE_INSTANCE_WIDTH (p);
|
|
|
1216
|
|
|
1217 /* The first thing we are going to do is update the display
|
|
|
1218 characteristics of the subwindow. This also clears the dirty
|
|
|
1219 flags as a side effect. */
|
|
|
1220 update_subwindow (image_instance);
|
|
|
1221
|
|
|
1222 /* This makes the glyph area fit into the display area. */
|
|
|
1223 if (!redisplay_normalize_glyph_area (db, dga))
|
|
|
1224 return;
|
|
|
1225
|
|
|
1226 XSETWINDOW (window, w);
|
|
|
1227
|
|
|
1228 /* Clear the area the subwindow is going into. */
|
|
|
1229 redisplay_clear_clipped_region (window, findex,
|
|
|
1230 db, dga, 0, image_instance);
|
|
|
1231
|
|
|
1232 /* This shrinks the display box to exactly enclose the glyph
|
|
|
1233 area. */
|
|
|
1234 redisplay_normalize_display_box (db, dga);
|
|
|
1235
|
|
|
1236 /* if we can't view the whole window we can't view any of it. We
|
|
|
1237 have to be careful here since we may be being asked to display
|
|
|
1238 part of a subwindow, the rest of which is on-screen as well. We
|
|
|
1239 need to allow this case and map the entire subwindow. We also
|
|
|
1240 need to be careful since the subwindow could be outside the
|
|
|
1241 window in the gutter or modeline - we also need to allow these
|
|
|
1242 cases.*/
|
|
|
1243 sdga.xoffset = -dga->xoffset;
|
|
|
1244 sdga.yoffset = -dga->yoffset;
|
|
|
1245 sdga.height = IMAGE_INSTANCE_HEIGHT (p);
|
|
|
1246 sdga.width = IMAGE_INSTANCE_WIDTH (p);
|
|
384
|
1247
|
|
398
|
1248 if (redisplay_display_boxes_in_window_p (w, db, &sdga) < 0)
|
|
|
1249 {
|
|
|
1250 map_subwindow (image_instance, db->xpos, db->ypos, dga);
|
|
|
1251 }
|
|
|
1252 else
|
|
|
1253 {
|
|
|
1254 sdga.xoffset = sdga.yoffset = 0;
|
|
|
1255 map_subwindow (image_instance, db->xpos - dga->xoffset,
|
|
|
1256 db->ypos - dga->yoffset, &sdga);
|
|
|
1257 }
|
|
|
1258 }
|
|
|
1259
|
|
|
1260 /****************************************************************************
|
|
|
1261 redisplay_output_layout
|
|
|
1262
|
|
|
1263 Output a widget hierarchy. This can safely call itself recursively.
|
|
|
1264
|
|
|
1265 The complexity of outputting layouts is deciding whether to do it or
|
|
|
1266 not. Consider a layout enclosing some text, the text changes and is
|
|
|
1267 marked as dirty, but the enclosing layout has not been marked as
|
|
|
1268 dirty so no updates occur and the text will potentially be truncated.
|
|
|
1269 Alternatively we hold a back pointer in the image instance to the
|
|
|
1270 parent and mark the parent as dirty. But the layout code assumes that
|
|
|
1271 if the layout is dirty then the whole layout should be redisplayed,
|
|
|
1272 so we then get lots of flashing even though only the text has changed
|
|
|
1273 size. Of course if the text shrinks in size then we do actually need
|
|
|
1274 to redisplay the layout to repaint the exposed area. So what happens
|
|
|
1275 if we make a non-structural change like changing color? Either we
|
|
|
1276 redisplay everything, or we redisplay nothing. These are exactly the
|
|
|
1277 issues lwlib has to grapple with. We really need to know what has
|
|
|
1278 actually changed and make a layout decision based on that. We also
|
|
|
1279 really need to know what has changed so that we can only make the
|
|
|
1280 neccessary changes in update_subwindow. This has all now been
|
|
|
1281 implemented, Viva la revolution!
|
|
|
1282 ****************************************************************************/
|
|
|
1283 void
|
|
|
1284 redisplay_output_layout (struct window *w,
|
|
|
1285 Lisp_Object image_instance,
|
|
|
1286 struct display_box* db, struct display_glyph_area* dga,
|
|
|
1287 face_index findex, int cursor_start, int cursor_width,
|
|
|
1288 int cursor_height)
|
|
|
1289 {
|
|
|
1290 Lisp_Image_Instance *p = XIMAGE_INSTANCE (image_instance);
|
|
|
1291 Lisp_Object window, rest;
|
|
|
1292 Emchar_dynarr *buf = Dynarr_new (Emchar);
|
|
|
1293 struct frame *f = XFRAME (w->frame);
|
|
|
1294 struct device *d = XDEVICE (f->device);
|
|
|
1295 int layout_height, layout_width;
|
|
384
|
1296
|
|
|
1297 XSETWINDOW (window, w);
|
|
|
1298
|
|
398
|
1299 layout_height = glyph_height (image_instance, window);
|
|
|
1300 layout_width = glyph_width (image_instance, window);
|
|
|
1301
|
|
|
1302 dga->height = layout_height;
|
|
|
1303 dga->width = layout_width;
|
|
|
1304
|
|
|
1305 /* This makes the glyph area fit into the display area. */
|
|
|
1306 if (!redisplay_normalize_glyph_area (db, dga))
|
|
|
1307 return;
|
|
|
1308
|
|
|
1309 /* Highly dodgy optimization. We want to only output the whole
|
|
|
1310 layout if we really have to. */
|
|
404
|
1311 if (!IMAGE_INSTANCE_OPTIMIZE_OUTPUT (p)
|
|
398
|
1312 || IMAGE_INSTANCE_LAYOUT_CHANGED (p)
|
|
|
1313 || IMAGE_INSTANCE_WIDGET_FACE_CHANGED (p)
|
|
|
1314 || IMAGE_INSTANCE_SIZE_CHANGED (p)
|
|
|
1315 || IMAGE_INSTANCE_WIDGET_ITEMS_CHANGED (p))
|
|
384
|
1316 {
|
|
398
|
1317 /* First clear the area we are drawing into. This is the easiest
|
|
|
1318 thing to do since we have many gaps that we have to make sure are
|
|
|
1319 filled in. */
|
|
|
1320 redisplay_clear_clipped_region (window, findex, db, dga, 1, Qnil);
|
|
384
|
1321
|
|
398
|
1322 /* Output a border if required */
|
|
|
1323 if (!NILP (IMAGE_INSTANCE_LAYOUT_BORDER (p)))
|
|
|
1324 {
|
|
|
1325 int edges = 0;
|
|
|
1326 enum edge_style style;
|
|
|
1327 int ypos = db->ypos;
|
|
|
1328 int height = dga->height;
|
|
|
1329
|
|
|
1330 if (dga->xoffset >= 0)
|
|
|
1331 edges |= EDGE_LEFT;
|
|
|
1332 if (dga->width - dga->xoffset == layout_width)
|
|
|
1333 edges |= EDGE_RIGHT;
|
|
|
1334 if (dga->yoffset >= 0)
|
|
|
1335 edges |= EDGE_TOP;
|
|
|
1336 if (dga->height - dga->yoffset == layout_height)
|
|
|
1337 edges |= EDGE_BOTTOM;
|
|
384
|
1338
|
|
398
|
1339 if (EQ (IMAGE_INSTANCE_LAYOUT_BORDER (p), Qetched_in))
|
|
|
1340 style = EDGE_ETCHED_IN;
|
|
|
1341 else if (EQ (IMAGE_INSTANCE_LAYOUT_BORDER (p), Qetched_out))
|
|
|
1342 style = EDGE_ETCHED_OUT;
|
|
|
1343 else if (EQ (IMAGE_INSTANCE_LAYOUT_BORDER (p), Qbevel_in))
|
|
|
1344 style = EDGE_BEVEL_IN;
|
|
|
1345 else if (INTP (IMAGE_INSTANCE_LAYOUT_BORDER (p)))
|
|
|
1346 {
|
|
|
1347 style = EDGE_ETCHED_IN;
|
|
|
1348 if (edges & EDGE_TOP)
|
|
|
1349 {
|
|
|
1350 ypos += XINT (IMAGE_INSTANCE_LAYOUT_BORDER (p));
|
|
|
1351 height -= XINT (IMAGE_INSTANCE_LAYOUT_BORDER (p));
|
|
|
1352 }
|
|
|
1353 }
|
|
|
1354 else
|
|
|
1355 style = EDGE_BEVEL_OUT;
|
|
|
1356
|
|
|
1357 MAYBE_DEVMETH (d, bevel_area,
|
|
|
1358 (w, findex, db->xpos,
|
|
|
1359 ypos,
|
|
|
1360 dga->width, height, 2, edges, style));
|
|
384
|
1361 }
|
|
|
1362 }
|
|
398
|
1363
|
|
|
1364 /* This shrinks the display box to exactly enclose the glyph
|
|
|
1365 area. */
|
|
|
1366 redisplay_normalize_display_box (db, dga);
|
|
|
1367
|
|
|
1368 /* Flip through the widgets in the layout displaying as necessary */
|
|
|
1369 LIST_LOOP (rest, IMAGE_INSTANCE_LAYOUT_CHILDREN (p))
|
|
384
|
1370 {
|
|
398
|
1371 Lisp_Object child = XCAR (rest);
|
|
|
1372
|
|
|
1373 struct display_box cdb;
|
|
|
1374 /* For losing HP-UX */
|
|
|
1375 cdb.xpos = db->xpos;
|
|
|
1376 cdb.ypos = db->ypos;
|
|
|
1377 cdb.width = db->width;
|
|
|
1378 cdb.height = db->height;
|
|
|
1379
|
|
|
1380 /* First determine if the image is visible at all */
|
|
|
1381 if (IMAGE_INSTANCEP (child))
|
|
|
1382 {
|
|
|
1383 Lisp_Image_Instance* childii = XIMAGE_INSTANCE (child);
|
|
404
|
1384
|
|
398
|
1385 /* The enclosing layout offsets are +ve at this point */
|
|
|
1386 struct display_glyph_area cdga;
|
|
|
1387 cdga.xoffset = IMAGE_INSTANCE_XOFFSET (childii) - dga->xoffset;
|
|
|
1388 cdga.yoffset = IMAGE_INSTANCE_YOFFSET (childii) - dga->yoffset;
|
|
|
1389 cdga.width = glyph_width (child, window);
|
|
|
1390 cdga.height = glyph_height (child, window);
|
|
|
1391
|
|
404
|
1392 IMAGE_INSTANCE_OPTIMIZE_OUTPUT (childii) =
|
|
|
1393 IMAGE_INSTANCE_OPTIMIZE_OUTPUT (p);
|
|
|
1394
|
|
398
|
1395 /* Although normalization is done by the output routines
|
|
|
1396 we have to do it here so that they don't try and
|
|
|
1397 clear all of db. This is true below also. */
|
|
|
1398 if (redisplay_normalize_glyph_area (&cdb, &cdga))
|
|
|
1399 {
|
|
|
1400 redisplay_normalize_display_box (&cdb, &cdga);
|
|
|
1401 /* Since the display boxes will now be totally in the
|
|
|
1402 window if they are visible at all we can now check this easily. */
|
|
|
1403 if (cdb.xpos < db->xpos || cdb.ypos < db->ypos
|
|
|
1404 || cdb.xpos + cdb.width > db->xpos + db->width
|
|
|
1405 || cdb.ypos + cdb.height > db->ypos + db->height)
|
|
|
1406 continue;
|
|
|
1407 /* We have to invert the offset here as normalization
|
|
|
1408 will have made them positive which the output
|
|
|
1409 routines will treat as a truely +ve offset. */
|
|
|
1410 cdga.xoffset = -cdga.xoffset;
|
|
|
1411 cdga.yoffset = -cdga.yoffset;
|
|
|
1412
|
|
|
1413 switch (IMAGE_INSTANCE_TYPE (childii))
|
|
|
1414 {
|
|
|
1415 case IMAGE_TEXT:
|
|
|
1416 {
|
|
|
1417 /* #### This is well hacked and could use some
|
|
|
1418 generalisation.*/
|
|
|
1419 if (redisplay_normalize_glyph_area (&cdb, &cdga)
|
|
|
1420 &&
|
|
404
|
1421 (!IMAGE_INSTANCE_OPTIMIZE_OUTPUT (childii) ||
|
|
|
1422 IMAGE_INSTANCE_DIRTYP (childii)))
|
|
398
|
1423 {
|
|
|
1424 struct display_line dl; /* this is fake */
|
|
|
1425 Lisp_Object string =
|
|
|
1426 IMAGE_INSTANCE_TEXT_STRING (childii);
|
|
|
1427 convert_bufbyte_string_into_emchar_dynarr
|
|
|
1428 (XSTRING_DATA (string), XSTRING_LENGTH (string), buf);
|
|
|
1429
|
|
|
1430 redisplay_normalize_display_box (&cdb, &cdga);
|
|
|
1431 /* Offsets are now +ve again so be careful
|
|
|
1432 when fixing up the display line. */
|
|
|
1433 xzero (dl);
|
|
|
1434 /* Munge boxes into display lines. */
|
|
|
1435 dl.ypos = (cdb.ypos - cdga.yoffset)
|
|
|
1436 + glyph_ascent (child, window);
|
|
|
1437 dl.ascent = glyph_ascent (child, window);
|
|
|
1438 dl.descent = glyph_descent (child, window);
|
|
|
1439 dl.top_clip = cdga.yoffset;
|
|
|
1440 dl.clip = (dl.ypos + dl.descent) - (cdb.ypos + cdb.height);
|
|
|
1441 /* output_string doesn't understand offsets in
|
|
|
1442 the same way as other routines - we have to
|
|
|
1443 add the offset to the width so that we
|
|
|
1444 output the full string. */
|
|
|
1445 MAYBE_DEVMETH (d, output_string, (w, &dl, buf, cdb.xpos,
|
|
|
1446 cdga.xoffset, cdb.xpos,
|
|
|
1447 cdga.width + cdga.xoffset,
|
|
|
1448 findex, 0, 0, 0, 0));
|
|
|
1449 Dynarr_reset (buf);
|
|
|
1450 }
|
|
|
1451 }
|
|
|
1452 break;
|
|
|
1453
|
|
|
1454 case IMAGE_MONO_PIXMAP:
|
|
|
1455 case IMAGE_COLOR_PIXMAP:
|
|
404
|
1456 if (!IMAGE_INSTANCE_OPTIMIZE_OUTPUT (childii)
|
|
|
1457 || IMAGE_INSTANCE_DIRTYP (childii))
|
|
398
|
1458 redisplay_output_pixmap (w, child, &cdb, &cdga, findex,
|
|
|
1459 0, 0, 0, 0);
|
|
|
1460 break;
|
|
|
1461
|
|
|
1462 case IMAGE_WIDGET:
|
|
|
1463 case IMAGE_SUBWINDOW:
|
|
404
|
1464 if (!IMAGE_INSTANCE_OPTIMIZE_OUTPUT (childii) ||
|
|
|
1465 IMAGE_INSTANCE_DIRTYP (childii))
|
|
398
|
1466 redisplay_output_subwindow (w, child, &cdb, &cdga, findex,
|
|
|
1467 0, 0, 0);
|
|
|
1468 break;
|
|
|
1469
|
|
|
1470 case IMAGE_LAYOUT:
|
|
|
1471 redisplay_output_layout (w, child, &cdb, &cdga, findex,
|
|
|
1472 0, 0, 0);
|
|
|
1473 break;
|
|
|
1474
|
|
|
1475 case IMAGE_NOTHING:
|
|
|
1476 /* nothing is as nothing does */
|
|
|
1477 break;
|
|
|
1478
|
|
|
1479 case IMAGE_POINTER:
|
|
|
1480 default:
|
|
|
1481 abort ();
|
|
|
1482 }
|
|
|
1483 }
|
|
404
|
1484 IMAGE_INSTANCE_OPTIMIZE_OUTPUT (childii) = 0;
|
|
398
|
1485 }
|
|
384
|
1486 }
|
|
398
|
1487
|
|
|
1488 /* Update any display properties. I'm not sure whether this actually
|
|
|
1489 does anything for layouts except clear the changed flags. */
|
|
|
1490 update_subwindow (image_instance);
|
|
|
1491
|
|
|
1492 Dynarr_free (buf);
|
|
|
1493 }
|
|
|
1494
|
|
|
1495 /****************************************************************************
|
|
|
1496 redisplay_output_pixmap
|
|
|
1497
|
|
|
1498
|
|
|
1499 output a pixmap.
|
|
|
1500 ****************************************************************************/
|
|
|
1501 void
|
|
|
1502 redisplay_output_pixmap (struct window *w,
|
|
|
1503 Lisp_Object image_instance,
|
|
|
1504 struct display_box* db, struct display_glyph_area* dga,
|
|
|
1505 face_index findex, int cursor_start, int cursor_width,
|
|
|
1506 int cursor_height, int offset_bitmap)
|
|
|
1507 {
|
|
|
1508 struct frame *f = XFRAME (w->frame);
|
|
|
1509 struct device *d = XDEVICE (f->device);
|
|
|
1510 Lisp_Image_Instance *p = XIMAGE_INSTANCE (image_instance);
|
|
|
1511 Lisp_Object window;
|
|
|
1512 XSETWINDOW (window, w);
|
|
|
1513
|
|
|
1514 dga->height = IMAGE_INSTANCE_PIXMAP_HEIGHT (p);
|
|
|
1515 dga->width = IMAGE_INSTANCE_PIXMAP_WIDTH (p);
|
|
|
1516
|
|
|
1517 /* This makes the glyph area fit into the display area. */
|
|
|
1518 if (!redisplay_normalize_glyph_area (db, dga))
|
|
|
1519 return;
|
|
|
1520
|
|
|
1521 /* Clear the area the pixmap is going into. The pixmap itself will
|
|
|
1522 always take care of the full width. We don't want to clear where
|
|
|
1523 it is going to go in order to avoid flicker. So, all we have to
|
|
|
1524 take care of is any area above or below the pixmap. If the pixmap
|
|
|
1525 has a mask in which case we have to clear the whole damn thing
|
|
|
1526 since we can't yet clear just the area not included in the
|
|
|
1527 mask. */
|
|
|
1528 if (!offset_bitmap)
|
|
|
1529 {
|
|
|
1530 redisplay_clear_clipped_region (window, findex,
|
|
|
1531 db, dga,
|
|
|
1532 (int)IMAGE_INSTANCE_PIXMAP_MASK (p),
|
|
|
1533 Qnil);
|
|
|
1534
|
|
|
1535 /* This shrinks the display box to exactly enclose the glyph
|
|
|
1536 area. */
|
|
|
1537 redisplay_normalize_display_box (db, dga);
|
|
|
1538 }
|
|
|
1539 assert (db->xpos >= 0 && db->ypos >= 0);
|
|
|
1540
|
|
|
1541 MAYBE_DEVMETH (d, output_pixmap, (w, image_instance,
|
|
|
1542 db, dga,
|
|
|
1543 findex, cursor_start,
|
|
|
1544 cursor_width, cursor_height,
|
|
|
1545 offset_bitmap));
|
|
384
|
1546 }
|
|
|
1547
|
|
|
1548 /****************************************************************************
|
|
|
1549 redisplay_clear_region
|
|
|
1550
|
|
|
1551 Clear the area in the box defined by the given parameters using the
|
|
|
1552 given face. This has been generalised so that subwindows can be
|
|
|
1553 coped with effectively.
|
|
|
1554 ****************************************************************************/
|
|
|
1555 void
|
|
|
1556 redisplay_clear_region (Lisp_Object locale, face_index findex, int x, int y,
|
|
|
1557 int width, int height)
|
|
|
1558 {
|
|
|
1559 struct window *w = NULL;
|
|
|
1560 struct frame *f = NULL;
|
|
|
1561 struct device *d;
|
|
|
1562 Lisp_Object background_pixmap = Qunbound;
|
|
|
1563 Lisp_Object fcolor = Qnil, bcolor = Qnil;
|
|
|
1564
|
|
|
1565 if (!width || !height)
|
|
|
1566 return;
|
|
|
1567
|
|
|
1568 if (WINDOWP (locale))
|
|
|
1569 {
|
|
|
1570 w = XWINDOW (locale);
|
|
|
1571 f = XFRAME (w->frame);
|
|
|
1572 }
|
|
|
1573 else if (FRAMEP (locale))
|
|
|
1574 {
|
|
|
1575 w = NULL;
|
|
|
1576 f = XFRAME (locale);
|
|
|
1577 }
|
|
|
1578 else
|
|
|
1579 abort ();
|
|
|
1580
|
|
|
1581 d = XDEVICE (f->device);
|
|
|
1582
|
|
|
1583 /* if we have subwindows in the region we have to unmap them */
|
|
398
|
1584 redisplay_unmap_subwindows_maybe (f, x, y, width, height);
|
|
384
|
1585
|
|
|
1586 /* #### This isn't quite right for when this function is called
|
|
|
1587 from the toolbar code. */
|
|
398
|
1588
|
|
384
|
1589 /* Don't use a backing pixmap in the border area */
|
|
|
1590 if (x >= FRAME_LEFT_BORDER_END (f)
|
|
|
1591 && x < FRAME_RIGHT_BORDER_START (f)
|
|
|
1592 && y >= FRAME_TOP_BORDER_END (f)
|
|
|
1593 && y < FRAME_BOTTOM_BORDER_START (f))
|
|
|
1594 {
|
|
|
1595 Lisp_Object temp;
|
|
398
|
1596
|
|
384
|
1597 if (w)
|
|
|
1598 {
|
|
|
1599 temp = WINDOW_FACE_CACHEL_BACKGROUND_PIXMAP (w, findex);
|
|
398
|
1600
|
|
384
|
1601 if (IMAGE_INSTANCEP (temp)
|
|
|
1602 && IMAGE_INSTANCE_PIXMAP_TYPE_P (XIMAGE_INSTANCE (temp)))
|
|
|
1603 {
|
|
|
1604 /* #### maybe we could implement such that a string
|
|
|
1605 can be a background pixmap? */
|
|
|
1606 background_pixmap = temp;
|
|
|
1607 }
|
|
|
1608 }
|
|
|
1609 else
|
|
|
1610 {
|
|
|
1611 temp = FACE_BACKGROUND_PIXMAP (Vdefault_face, locale);
|
|
398
|
1612
|
|
384
|
1613 if (IMAGE_INSTANCEP (temp)
|
|
|
1614 && IMAGE_INSTANCE_PIXMAP_TYPE_P (XIMAGE_INSTANCE (temp)))
|
|
|
1615 {
|
|
|
1616 background_pixmap = temp;
|
|
|
1617 }
|
|
|
1618 }
|
|
398
|
1619 }
|
|
384
|
1620
|
|
|
1621 if (!UNBOUNDP (background_pixmap) &&
|
|
|
1622 XIMAGE_INSTANCE_PIXMAP_DEPTH (background_pixmap) == 0)
|
|
|
1623 {
|
|
|
1624 if (w)
|
|
|
1625 {
|
|
|
1626 fcolor = WINDOW_FACE_CACHEL_FOREGROUND (w, findex);
|
|
|
1627 bcolor = WINDOW_FACE_CACHEL_BACKGROUND (w, findex);
|
|
|
1628 }
|
|
|
1629 else
|
|
|
1630 {
|
|
|
1631 fcolor = FACE_FOREGROUND (Vdefault_face, locale);
|
|
|
1632 bcolor = FACE_BACKGROUND (Vdefault_face, locale);
|
|
|
1633 }
|
|
|
1634 }
|
|
|
1635 else
|
|
|
1636 {
|
|
|
1637 fcolor = (w ?
|
|
|
1638 WINDOW_FACE_CACHEL_BACKGROUND (w, findex) :
|
|
|
1639 FACE_BACKGROUND (Vdefault_face, locale));
|
|
398
|
1640
|
|
384
|
1641 }
|
|
398
|
1642
|
|
384
|
1643 if (UNBOUNDP (background_pixmap))
|
|
|
1644 background_pixmap = Qnil;
|
|
398
|
1645
|
|
|
1646 DEVMETH (d, clear_region,
|
|
384
|
1647 (locale, d, f, findex, x, y, width, height, fcolor, bcolor, background_pixmap));
|
|
|
1648 }
|
|
|
1649
|
|
398
|
1650 /****************************************************************************
|
|
|
1651 redisplay_clear_clipped_region
|
|
|
1652
|
|
|
1653 Clear the area in the dest display_box not covered by the src
|
|
|
1654 display_glyph_area using the given face. This is a common occurance
|
|
|
1655 for images shorter than the display line. Clipping can be played
|
|
|
1656 around with by altering these. glyphsrc should be normalized.
|
|
|
1657 ****************************************************************************/
|
|
|
1658 static void
|
|
|
1659 redisplay_clear_clipped_region (Lisp_Object window, face_index findex,
|
|
|
1660 struct display_box* dest, struct display_glyph_area* glyphsrc,
|
|
|
1661 int fullheight_p, Lisp_Object ignored_subwindow)
|
|
|
1662 {
|
|
|
1663 /* assume dest->xpos >= 0 */
|
|
|
1664 int clear_x;
|
|
|
1665 struct frame* f = XFRAME (XWINDOW (window)->frame);
|
|
|
1666
|
|
|
1667 if (glyphsrc->xoffset > 0)
|
|
|
1668 {
|
|
|
1669 clear_x = dest->xpos + glyphsrc->xoffset;
|
|
|
1670 }
|
|
|
1671 else
|
|
|
1672 {
|
|
|
1673 clear_x = dest->xpos;
|
|
|
1674 }
|
|
|
1675
|
|
|
1676 /* If we need the whole height cleared then just do it. */
|
|
|
1677 if (fullheight_p)
|
|
|
1678 {
|
|
|
1679 redisplay_clear_region (window, findex, clear_x, dest->ypos,
|
|
|
1680 glyphsrc->width, dest->height);
|
|
|
1681 }
|
|
|
1682 else
|
|
|
1683 {
|
|
|
1684 int yoffset = (glyphsrc->yoffset > 0 ? glyphsrc->yoffset : 0);
|
|
|
1685
|
|
|
1686 /* We need to make sure that subwindows are unmapped from the
|
|
|
1687 whole area. */
|
|
|
1688 redisplay_unmap_subwindows_except_us (f, clear_x, dest->ypos,
|
|
|
1689 glyphsrc->width, dest->height,
|
|
|
1690 ignored_subwindow);
|
|
|
1691 /* first the top box */
|
|
|
1692 if (yoffset > 0)
|
|
|
1693 {
|
|
|
1694 redisplay_clear_region (window, findex, clear_x, dest->ypos,
|
|
|
1695 glyphsrc->width, yoffset);
|
|
|
1696
|
|
|
1697 }
|
|
|
1698 /* Then the bottom box */
|
|
|
1699 if (yoffset + glyphsrc->height < dest->height)
|
|
|
1700 {
|
|
|
1701 redisplay_clear_region (window, findex, clear_x,
|
|
|
1702 dest->ypos + yoffset + glyphsrc->height,
|
|
|
1703 glyphsrc->width,
|
|
|
1704 dest->height - (yoffset + glyphsrc->height));
|
|
|
1705
|
|
|
1706 }
|
|
|
1707 }
|
|
|
1708 }
|
|
|
1709
|
|
|
1710 /*****************************************************************************
|
|
|
1711 redisplay_normalize_glyph_area
|
|
|
1712 redisplay_normalize_display_box
|
|
|
1713
|
|
|
1714 Calculate the visible box for displaying src in dest.
|
|
|
1715 ****************************************************************************/
|
|
|
1716 int
|
|
|
1717 redisplay_normalize_glyph_area (struct display_box* dest,
|
|
|
1718 struct display_glyph_area* glyphsrc)
|
|
|
1719 {
|
|
|
1720 if (dest->xpos + glyphsrc->xoffset > dest->xpos + dest->width
|
|
|
1721 ||
|
|
|
1722 dest->ypos + glyphsrc->yoffset > dest->ypos + dest->height
|
|
|
1723 ||
|
|
|
1724 -glyphsrc->xoffset >= glyphsrc->width
|
|
|
1725 ||
|
|
|
1726 -glyphsrc->yoffset >= glyphsrc->height)
|
|
|
1727 {
|
|
|
1728 /* It's all clipped out */
|
|
|
1729 return 0;
|
|
|
1730 }
|
|
|
1731
|
|
|
1732 /* Horizontal offsets. This works because xoffset can be -ve as well as +ve */
|
|
|
1733 if (dest->xpos + glyphsrc->xoffset + glyphsrc->width > dest->xpos + dest->width)
|
|
|
1734 {
|
|
|
1735 if (glyphsrc->xoffset > 0)
|
|
|
1736 glyphsrc->width = dest->width - glyphsrc->xoffset;
|
|
|
1737 else
|
|
|
1738 glyphsrc->width = dest->width;
|
|
|
1739 }
|
|
|
1740
|
|
|
1741 if (glyphsrc->xoffset < 0)
|
|
|
1742 glyphsrc->width += glyphsrc->xoffset;
|
|
|
1743
|
|
|
1744 /* Vertical offsets. This works because yoffset can be -ve as well as +ve */
|
|
|
1745 if (dest->ypos + glyphsrc->yoffset + glyphsrc->height > dest->ypos + dest->height)
|
|
|
1746 {
|
|
|
1747 if (glyphsrc->yoffset > 0)
|
|
|
1748 glyphsrc->height = dest->height - glyphsrc->yoffset;
|
|
|
1749 else
|
|
|
1750 glyphsrc->height = dest->height;
|
|
|
1751 }
|
|
|
1752
|
|
|
1753 if (glyphsrc->yoffset < 0)
|
|
|
1754 glyphsrc->height += glyphsrc->yoffset;
|
|
|
1755
|
|
|
1756 return 1;
|
|
|
1757 }
|
|
|
1758
|
|
|
1759 static void
|
|
|
1760 redisplay_normalize_display_box (struct display_box* dest,
|
|
|
1761 struct display_glyph_area* glyphsrc)
|
|
|
1762 {
|
|
|
1763 /* Adjust the destination area. At the end of this the destination
|
|
|
1764 area will exactly enclose the glyph area. The only remaining
|
|
|
1765 adjustment will be offsets into the glyph area. */
|
|
|
1766
|
|
|
1767 /* Horizontal adjustment. */
|
|
|
1768 if (glyphsrc->xoffset > 0)
|
|
|
1769 {
|
|
|
1770 dest->xpos += glyphsrc->xoffset;
|
|
|
1771 dest->width -= glyphsrc->xoffset;
|
|
|
1772 glyphsrc->xoffset = 0;
|
|
|
1773 }
|
|
|
1774 else
|
|
|
1775 glyphsrc->xoffset = -glyphsrc->xoffset;
|
|
|
1776
|
|
|
1777 if (glyphsrc->width < dest->width)
|
|
|
1778 dest->width = glyphsrc->width;
|
|
|
1779
|
|
|
1780 /* Vertical adjustment. */
|
|
|
1781 if (glyphsrc->yoffset > 0)
|
|
|
1782 {
|
|
|
1783 dest->ypos += glyphsrc->yoffset;
|
|
|
1784 dest->height -= glyphsrc->yoffset;
|
|
|
1785 glyphsrc->yoffset = 0;
|
|
|
1786 }
|
|
|
1787 else
|
|
|
1788 glyphsrc->yoffset = -glyphsrc->yoffset;
|
|
|
1789
|
|
|
1790 if (glyphsrc->height < dest->height)
|
|
|
1791 dest->height = glyphsrc->height;
|
|
|
1792 }
|
|
|
1793
|
|
|
1794 /*****************************************************************************
|
|
|
1795 redisplay_display_boxes_in_window_p
|
|
|
1796
|
|
|
1797 Determine whether the require display_glyph_area is completely inside
|
|
|
1798 the window. 0 means the display_box is not in the window. 1 means the
|
|
|
1799 display_box and the display_glyph_area are in the window. -1 means
|
|
|
1800 the display_box is in the window but the display_glyph_area is not.
|
|
|
1801 ****************************************************************************/
|
|
|
1802 static int
|
|
|
1803 redisplay_display_boxes_in_window_p (struct window* w,
|
|
|
1804 struct display_box* db,
|
|
|
1805 struct display_glyph_area* dga)
|
|
|
1806 {
|
|
|
1807 int left = WINDOW_TEXT_LEFT (w);
|
|
|
1808 int right = WINDOW_TEXT_RIGHT (w);
|
|
|
1809 int top = WINDOW_TEXT_TOP (w);
|
|
|
1810 int bottom = WINDOW_TEXT_BOTTOM (w);
|
|
|
1811
|
|
|
1812 if (db->xpos < left || db->ypos < top
|
|
|
1813 || db->xpos + db->width > right
|
|
|
1814 || db->ypos + db->height > bottom)
|
|
|
1815 /* We are not displaying in a window at all */
|
|
|
1816 return 0;
|
|
|
1817
|
|
|
1818 if (db->xpos + dga->xoffset >= left
|
|
|
1819 &&
|
|
|
1820 db->ypos + dga->yoffset >= top
|
|
|
1821 &&
|
|
|
1822 db->xpos + dga->xoffset + dga->width <= right
|
|
|
1823 &&
|
|
|
1824 db->ypos + dga->yoffset + dga->height <= bottom)
|
|
|
1825 return 1;
|
|
|
1826
|
|
|
1827 return -1;
|
|
|
1828 }
|
|
|
1829
|
|
|
1830 /*****************************************************************************
|
|
|
1831 redisplay_calculate_display_boxes
|
|
|
1832
|
|
|
1833 Convert from rune/display_line co-ordinates to display_box
|
|
|
1834 co-ordinates.
|
|
|
1835 ****************************************************************************/
|
|
|
1836 int
|
|
|
1837 redisplay_calculate_display_boxes (struct display_line *dl, int xpos,
|
|
|
1838 int xoffset, int start_pixpos, int width,
|
|
|
1839 struct display_box* dest,
|
|
|
1840 struct display_glyph_area* src)
|
|
|
1841 {
|
|
|
1842 dest->xpos = xpos;
|
|
|
1843 dest->ypos = DISPLAY_LINE_YPOS (dl);
|
|
|
1844 dest->width = width;
|
|
|
1845 dest->height = DISPLAY_LINE_HEIGHT (dl);
|
|
|
1846
|
|
|
1847 src->xoffset = -xoffset;
|
|
|
1848 src->yoffset = -dl->top_clip;
|
|
|
1849 src->width = 0;
|
|
|
1850 src->height = 0;
|
|
|
1851
|
|
|
1852 if (start_pixpos >=0 && start_pixpos > xpos)
|
|
|
1853 {
|
|
|
1854 /* Oops, we're asking for a start outside of the displayable
|
|
|
1855 area. */
|
|
|
1856 if (start_pixpos > xpos + width)
|
|
|
1857 return 0;
|
|
|
1858 dest->xpos = start_pixpos;
|
|
|
1859 dest->width -= (start_pixpos - xpos);
|
|
|
1860 /* Offsets are -ve when we want to clip pixels off the displayed
|
|
|
1861 glyph. */
|
|
|
1862 src->xoffset -= (start_pixpos - xpos);
|
|
|
1863 }
|
|
|
1864
|
|
|
1865 return 1;
|
|
|
1866 }
|
|
|
1867
|
|
0
|
1868 /*****************************************************************************
|
|
|
1869 redisplay_clear_top_of_window
|
|
|
1870
|
|
|
1871 If window is topmost, clear the internal border above it.
|
|
|
1872 ****************************************************************************/
|
|
|
1873 static void
|
|
|
1874 redisplay_clear_top_of_window (struct window *w)
|
|
|
1875 {
|
|
|
1876 Lisp_Object window;
|
|
|
1877 XSETWINDOW (window, w);
|
|
|
1878
|
|
|
1879 if (!NILP (Fwindow_highest_p (window)))
|
|
|
1880 {
|
|
|
1881 struct frame *f = XFRAME (w->frame);
|
|
|
1882 int x, y, width, height;
|
|
|
1883
|
|
|
1884 x = w->pixel_left;
|
|
|
1885 width = w->pixel_width;
|
|
|
1886
|
|
|
1887 if (window_is_leftmost (w))
|
|
|
1888 {
|
|
|
1889 x -= FRAME_BORDER_WIDTH (f);
|
|
|
1890 width += FRAME_BORDER_WIDTH (f);
|
|
|
1891 }
|
|
|
1892 if (window_is_rightmost (w))
|
|
|
1893 width += FRAME_BORDER_WIDTH (f);
|
|
185
|
1894
|
|
0
|
1895 y = FRAME_TOP_BORDER_START (f) - 1;
|
|
|
1896 height = FRAME_BORDER_HEIGHT (f) + 1;
|
|
|
1897
|
|
384
|
1898 redisplay_clear_region (window, DEFAULT_INDEX, x, y, width, height);
|
|
0
|
1899 }
|
|
|
1900 }
|
|
|
1901
|
|
|
1902 /*****************************************************************************
|
|
398
|
1903 redisplay_clear_to_window_end
|
|
|
1904
|
|
|
1905 Clear the area between ypos1 and ypos2. Each margin area and the
|
|
|
1906 text area is handled separately since they may each have their own
|
|
|
1907 background color.
|
|
|
1908 ****************************************************************************/
|
|
|
1909 void
|
|
|
1910 redisplay_clear_to_window_end (struct window *w, int ypos1, int ypos2)
|
|
|
1911 {
|
|
|
1912 struct frame *f = XFRAME (w->frame);
|
|
|
1913 struct device *d = XDEVICE (f->device);
|
|
|
1914
|
|
|
1915 if (HAS_DEVMETH_P (d, clear_to_window_end))
|
|
|
1916 DEVMETH (d, clear_to_window_end, (w, ypos1, ypos2));
|
|
|
1917 else
|
|
|
1918 {
|
|
|
1919 int height = ypos2 - ypos1;
|
|
|
1920
|
|
|
1921 if (height)
|
|
|
1922 {
|
|
|
1923 Lisp_Object window;
|
|
|
1924 int bflag = 0 ; /* (window_needs_vertical_divider (w) ? 0 : 1);*/
|
|
|
1925 layout_bounds bounds;
|
|
|
1926
|
|
|
1927 bounds = calculate_display_line_boundaries (w, bflag);
|
|
|
1928 XSETWINDOW (window, w);
|
|
|
1929
|
|
|
1930 if (window_is_leftmost (w))
|
|
|
1931 redisplay_clear_region (window, DEFAULT_INDEX, FRAME_LEFT_BORDER_START (f),
|
|
|
1932 ypos1, FRAME_BORDER_WIDTH (f), height);
|
|
|
1933
|
|
|
1934 if (bounds.left_in - bounds.left_out > 0)
|
|
|
1935 redisplay_clear_region (window,
|
|
|
1936 get_builtin_face_cache_index (w, Vleft_margin_face),
|
|
|
1937 bounds.left_out, ypos1,
|
|
|
1938 bounds.left_in - bounds.left_out, height);
|
|
|
1939
|
|
|
1940 if (bounds.right_in - bounds.left_in > 0)
|
|
|
1941 redisplay_clear_region (window,
|
|
|
1942 DEFAULT_INDEX,
|
|
|
1943 bounds.left_in, ypos1,
|
|
|
1944 bounds.right_in - bounds.left_in, height);
|
|
|
1945
|
|
|
1946 if (bounds.right_out - bounds.right_in > 0)
|
|
|
1947 redisplay_clear_region (window,
|
|
|
1948 get_builtin_face_cache_index (w, Vright_margin_face),
|
|
|
1949 bounds.right_in, ypos1,
|
|
|
1950 bounds.right_out - bounds.right_in, height);
|
|
|
1951
|
|
|
1952 if (window_is_rightmost (w))
|
|
|
1953 redisplay_clear_region (window, DEFAULT_INDEX, FRAME_RIGHT_BORDER_START (f),
|
|
|
1954 ypos1, FRAME_BORDER_WIDTH (f), height);
|
|
|
1955 }
|
|
|
1956 }
|
|
|
1957 }
|
|
|
1958
|
|
|
1959 /*****************************************************************************
|
|
0
|
1960 redisplay_clear_bottom_of_window
|
|
|
1961
|
|
|
1962 Clear window from right below the last display line to right above
|
|
|
1963 the modeline. The calling function can limit the area actually
|
|
|
1964 erased by setting min_start and/or max_end to positive values.
|
|
|
1965 ****************************************************************************/
|
|
|
1966 void
|
|
|
1967 redisplay_clear_bottom_of_window (struct window *w, display_line_dynarr *ddla,
|
|
|
1968 int min_start, int max_end)
|
|
|
1969 {
|
|
|
1970 struct frame *f = XFRAME (w->frame);
|
|
|
1971 int ypos1, ypos2;
|
|
|
1972 int ddla_len = Dynarr_length (ddla);
|
|
|
1973
|
|
|
1974 ypos2 = WINDOW_TEXT_BOTTOM (w);
|
|
|
1975 #ifdef HAVE_SCROLLBARS
|
|
|
1976 /* This adjustment is to catch the intersection of any scrollbars. */
|
|
282
|
1977 if (f->windows_structure_changed && NILP (w->scrollbar_on_top_p))
|
|
0
|
1978 ypos2 += window_scrollbar_height (w);
|
|
|
1979 #endif
|
|
|
1980
|
|
|
1981 if (ddla_len)
|
|
|
1982 {
|
|
|
1983 if (ddla_len == 1 && Dynarr_atp (ddla, 0)->modeline)
|
|
|
1984 {
|
|
|
1985 ypos1 = WINDOW_TEXT_TOP (w);
|
|
|
1986 #ifdef HAVE_SCROLLBARS
|
|
|
1987 /* This adjustment is to catch the intersection of any scrollbars. */
|
|
282
|
1988 if (f->windows_structure_changed && !NILP (w->scrollbar_on_top_p))
|
|
0
|
1989 ypos1 -= window_scrollbar_height (w);
|
|
|
1990 #endif
|
|
|
1991 }
|
|
|
1992 else
|
|
|
1993 {
|
|
|
1994 struct display_line *dl = Dynarr_atp (ddla, ddla_len - 1);
|
|
|
1995 ypos1 = dl->ypos + dl->descent - dl->clip;
|
|
|
1996 }
|
|
|
1997 }
|
|
|
1998 else
|
|
|
1999 ypos1 = WINDOW_TEXT_TOP (w);
|
|
|
2000
|
|
|
2001 /* #### See if this can be made conditional on the frame
|
|
|
2002 changing size. */
|
|
|
2003 if (MINI_WINDOW_P (w))
|
|
|
2004 ypos2 += FRAME_BORDER_HEIGHT (f);
|
|
|
2005
|
|
|
2006 if (min_start >= 0 && ypos1 < min_start)
|
|
|
2007 ypos1 = min_start;
|
|
|
2008 if (max_end >= 0 && ypos2 > max_end)
|
|
|
2009 ypos2 = max_end;
|
|
|
2010
|
|
|
2011 if (ypos2 <= ypos1)
|
|
|
2012 return;
|
|
|
2013
|
|
398
|
2014 redisplay_clear_to_window_end (w, ypos1, ypos2);
|
|
0
|
2015 }
|
|
|
2016
|
|
|
2017 /*****************************************************************************
|
|
|
2018 redisplay_update_line
|
|
|
2019
|
|
|
2020 This is used during incremental updates to update a single line and
|
|
|
2021 correct the offsets on all lines below it. At the moment
|
|
|
2022 update_values is false if we are only updating the modeline.
|
|
|
2023 ****************************************************************************/
|
|
|
2024 void
|
|
|
2025 redisplay_update_line (struct window *w, int first_line, int last_line,
|
|
|
2026 int update_values)
|
|
|
2027 {
|
|
|
2028 struct frame *f = XFRAME (w->frame);
|
|
|
2029 struct device *d = XDEVICE (f->device);
|
|
|
2030
|
|
|
2031 display_line_dynarr *cdla = window_display_lines (w, CURRENT_DISP);
|
|
|
2032 display_line_dynarr *ddla = window_display_lines (w, DESIRED_DISP);
|
|
|
2033
|
|
|
2034 DEVMETH (d, output_begin, (d));
|
|
|
2035
|
|
|
2036 while (first_line <= last_line)
|
|
|
2037 {
|
|
|
2038 Charcount old_len = (Dynarr_atp (cdla, first_line)->end_bufpos -
|
|
|
2039 Dynarr_atp (cdla, first_line)->bufpos);
|
|
|
2040 Charcount new_len = (Dynarr_atp (ddla, first_line)->end_bufpos -
|
|
|
2041 Dynarr_atp (ddla, first_line)->bufpos);
|
|
|
2042
|
|
|
2043 assert (Dynarr_length (cdla) == Dynarr_length (ddla));
|
|
|
2044
|
|
|
2045 /* Output the changes. */
|
|
|
2046 output_display_line (w, cdla, ddla, first_line, -1, -1);
|
|
|
2047
|
|
|
2048 /* Update the offsets. */
|
|
|
2049 if (update_values)
|
|
|
2050 {
|
|
|
2051 int cur_line = first_line + 1;
|
|
|
2052 while (cur_line < Dynarr_length (cdla))
|
|
|
2053 {
|
|
|
2054 Dynarr_atp (cdla, cur_line)->offset += (new_len - old_len);
|
|
|
2055 Dynarr_atp (ddla, cur_line)->offset += (new_len - old_len);
|
|
|
2056 cur_line++;
|
|
|
2057 }
|
|
|
2058 }
|
|
|
2059
|
|
|
2060 /* Update the window_end_pos and other settings. */
|
|
|
2061 if (update_values)
|
|
|
2062 {
|
|
|
2063 w->window_end_pos[CURRENT_DISP] -= (new_len - old_len);
|
|
|
2064
|
|
|
2065 if (Dynarr_atp (ddla, first_line)->cursor_elt != -1)
|
|
|
2066 {
|
|
|
2067 w->last_point_x[CURRENT_DISP] = w->last_point_x[DESIRED_DISP];
|
|
|
2068 w->last_point_y[CURRENT_DISP] = w->last_point_y[DESIRED_DISP];
|
|
|
2069 }
|
|
|
2070 }
|
|
|
2071
|
|
|
2072 first_line++;
|
|
|
2073 }
|
|
|
2074
|
|
|
2075 /* Update the window max line length. We have to scan the entire
|
|
|
2076 set of display lines otherwise we might not detect if the max is
|
|
|
2077 supposed to shrink. */
|
|
|
2078 if (update_values)
|
|
|
2079 {
|
|
|
2080 int line = 0;
|
|
|
2081
|
|
|
2082 w->max_line_len = 0;
|
|
|
2083 while (line < Dynarr_length (ddla))
|
|
|
2084 {
|
|
|
2085 struct display_line *dl = Dynarr_atp (ddla, line);
|
|
|
2086
|
|
|
2087 if (!dl->modeline)
|
|
|
2088 w->max_line_len = max (dl->num_chars, w->max_line_len);
|
|
|
2089
|
|
|
2090 line++;
|
|
|
2091 }
|
|
|
2092 }
|
|
|
2093
|
|
|
2094 w->last_modified[CURRENT_DISP] = w->last_modified[DESIRED_DISP];
|
|
|
2095 w->last_facechange[CURRENT_DISP] = w->last_facechange[DESIRED_DISP];
|
|
|
2096 Fset_marker (w->last_point[CURRENT_DISP],
|
|
|
2097 Fmarker_position (w->last_point[DESIRED_DISP]), w->buffer);
|
|
|
2098 Fset_marker (w->last_start[CURRENT_DISP],
|
|
|
2099 Fmarker_position (w->last_start[DESIRED_DISP]), w->buffer);
|
|
|
2100
|
|
|
2101 /* We don't bother updating the vertical scrollbars here. This
|
|
|
2102 gives us a performance increase while having minimal loss of
|
|
|
2103 quality to the scrollbar slider size and position since when this
|
|
|
2104 function is called we know that the changes to the buffer were
|
|
|
2105 very localized. We have to update the horizontal scrollbars,
|
|
|
2106 though, because this routine could cause a change which has a
|
|
|
2107 larger impact on their sizing. */
|
|
|
2108 /* #### See if we can get away with only calling this if
|
|
|
2109 max_line_len is greater than the window_char_width. */
|
|
209
|
2110 #if defined(HAVE_SCROLLBARS) && defined(HAVE_X_WINDOWS)
|
|
82
|
2111 {
|
|
|
2112 extern int stupid_vertical_scrollbar_drag_hack;
|
|
|
2113
|
|
|
2114 update_window_scrollbars (w, NULL, 1, stupid_vertical_scrollbar_drag_hack);
|
|
|
2115 stupid_vertical_scrollbar_drag_hack = 1;
|
|
|
2116 }
|
|
0
|
2117 #endif
|
|
|
2118
|
|
|
2119 /* This has to be done after we've updated the values. We don't
|
|
|
2120 call output_end for tty frames. Redisplay will do this after all
|
|
|
2121 tty windows have been updated. This cuts down on cursor
|
|
|
2122 flicker. */
|
|
|
2123 if (FRAME_TTY_P (f))
|
|
|
2124 redisplay_redraw_cursor (f, 0);
|
|
|
2125 else
|
|
|
2126 DEVMETH (d, output_end, (d));
|
|
|
2127 }
|
|
|
2128
|
|
|
2129 /*****************************************************************************
|
|
|
2130 redisplay_output_window
|
|
|
2131
|
|
|
2132 For the given window W, ensure that the current display lines are
|
|
|
2133 equal to the desired display lines, outputing changes as necessary.
|
|
|
2134
|
|
|
2135 #### Fuck me. This just isn't going to cut it for tty's. The output
|
|
|
2136 decisions for them must be based on the contents of the entire frame
|
|
|
2137 because that is how the available output capabilities think. The
|
|
|
2138 solution is relatively simple. Create redisplay_output_frame. This
|
|
|
2139 will basically merge all of the separate window display structs into
|
|
|
2140 a single one for the frame. This combination structure will be able
|
|
|
2141 to be passed to the same output_display_line which works for windows
|
|
|
2142 on X frames and the right things will happen. It just takes time to
|
|
|
2143 do.
|
|
|
2144 ****************************************************************************/
|
|
|
2145 void
|
|
|
2146 redisplay_output_window (struct window *w)
|
|
|
2147 {
|
|
|
2148 struct frame *f = XFRAME (w->frame);
|
|
|
2149 struct device *d = XDEVICE (f->device);
|
|
|
2150
|
|
|
2151 display_line_dynarr *cdla = window_display_lines (w, CURRENT_DISP);
|
|
|
2152 display_line_dynarr *ddla = window_display_lines (w, DESIRED_DISP);
|
|
|
2153
|
|
|
2154 int cdla_len = Dynarr_length (cdla);
|
|
|
2155 int ddla_len = Dynarr_length (ddla);
|
|
|
2156
|
|
|
2157 int line;
|
|
|
2158 int need_to_clear_bottom = 0;
|
|
|
2159 int need_to_clear_start = -1;
|
|
|
2160 int need_to_clear_end = -1;
|
|
|
2161
|
|
|
2162 /* Backgrounds may have changed or windows may have gone away
|
|
|
2163 leaving dividers lying around. */
|
|
|
2164 if (f->faces_changed
|
|
|
2165 || f->windows_structure_changed
|
|
|
2166 || w->shadow_thickness_changed)
|
|
|
2167 need_to_clear_bottom = 1;
|
|
|
2168
|
|
|
2169 /* The first thing we do is determine if we are going to need to
|
|
|
2170 clear the bottom of the window. We only need to do this if the
|
|
|
2171 bottom of the current display lines is below the bottom of the
|
|
|
2172 desired display lines. Note that the number of lines is
|
|
|
2173 irrelevant. Only the position matters. We also clear to the
|
|
|
2174 bottom of the window if the modeline has shifted position. */
|
|
|
2175 /* #### We can't blindly not clear the bottom if f->clear is true
|
|
|
2176 since there might be a window-local background. However, for
|
|
|
2177 those cases where there isn't, clearing the end of the window in
|
|
|
2178 this case sucks. */
|
|
|
2179 if (!need_to_clear_bottom)
|
|
|
2180 {
|
|
|
2181 struct display_line *cdl, *ddl;
|
|
|
2182
|
|
|
2183 /* If the modeline has changed position or size, clear the bottom
|
|
|
2184 of the window. */
|
|
|
2185 if (!need_to_clear_bottom)
|
|
|
2186 {
|
|
|
2187 cdl = ddl = 0;
|
|
|
2188
|
|
|
2189 if (cdla_len)
|
|
|
2190 cdl = Dynarr_atp (cdla, 0);
|
|
|
2191 if (ddla_len)
|
|
|
2192 ddl = Dynarr_atp (ddla, 0);
|
|
|
2193
|
|
|
2194 if (!cdl || !ddl)
|
|
|
2195 need_to_clear_bottom = 1;
|
|
|
2196 else if ((!cdl->modeline && ddl->modeline)
|
|
|
2197 || (cdl->modeline && !ddl->modeline))
|
|
|
2198 need_to_clear_bottom = 1;
|
|
|
2199 else if (cdl->ypos != ddl->ypos ||
|
|
|
2200 cdl->ascent != ddl->ascent ||
|
|
|
2201 cdl->descent != ddl->descent ||
|
|
|
2202 cdl->clip != ddl->clip)
|
|
|
2203 need_to_clear_bottom = 1;
|
|
|
2204
|
|
|
2205 /* #### This kludge is to make sure the modeline shadows get
|
|
|
2206 redrawn if the modeline position shifts. */
|
|
|
2207 if (need_to_clear_bottom)
|
|
|
2208 w->shadow_thickness_changed = 1;
|
|
|
2209 }
|
|
|
2210
|
|
|
2211 if (!need_to_clear_bottom)
|
|
|
2212 {
|
|
|
2213 cdl = ddl = 0;
|
|
|
2214
|
|
|
2215 if (cdla_len)
|
|
|
2216 cdl = Dynarr_atp (cdla, cdla_len - 1);
|
|
|
2217 if (ddla_len)
|
|
|
2218 ddl = Dynarr_atp (ddla, ddla_len - 1);
|
|
|
2219
|
|
|
2220 if (!cdl || !ddl)
|
|
|
2221 need_to_clear_bottom = 1;
|
|
|
2222 else
|
|
|
2223 {
|
|
|
2224 int cdl_bottom, ddl_bottom;
|
|
|
2225
|
|
|
2226 cdl_bottom = cdl->ypos + cdl->descent;
|
|
|
2227 ddl_bottom = ddl->ypos + ddl->descent;
|
|
|
2228
|
|
|
2229 if (cdl_bottom > ddl_bottom)
|
|
|
2230 {
|
|
|
2231 need_to_clear_bottom = 1;
|
|
|
2232 need_to_clear_start = ddl_bottom;
|
|
|
2233 need_to_clear_end = cdl_bottom;
|
|
|
2234 }
|
|
|
2235 }
|
|
|
2236 }
|
|
|
2237 }
|
|
|
2238
|
|
|
2239 /* Perform any output initialization. */
|
|
|
2240 DEVMETH (d, output_begin, (d));
|
|
|
2241
|
|
|
2242 /* If the window's structure has changed clear the internal border
|
|
|
2243 above it if it is topmost (the function will check). */
|
|
|
2244 if (f->windows_structure_changed)
|
|
|
2245 redisplay_clear_top_of_window (w);
|
|
|
2246
|
|
|
2247 /* Output each line. */
|
|
|
2248 for (line = 0; line < Dynarr_length (ddla); line++)
|
|
|
2249 {
|
|
|
2250 output_display_line (w, cdla, ddla, line, -1, -1);
|
|
|
2251 }
|
|
|
2252
|
|
|
2253 /* If the number of display lines has shrunk, adjust. */
|
|
|
2254 if (cdla_len > ddla_len)
|
|
|
2255 {
|
|
|
2256 Dynarr_length (cdla) = ddla_len;
|
|
|
2257 }
|
|
|
2258
|
|
|
2259 /* Output a vertical divider between windows, if necessary. */
|
|
|
2260 if (window_needs_vertical_divider (w)
|
|
|
2261 && (f->windows_structure_changed || f->clear))
|
|
|
2262 {
|
|
|
2263 DEVMETH (d, output_vertical_divider, (w, f->windows_structure_changed));
|
|
|
2264 }
|
|
|
2265
|
|
|
2266 /* Clear the rest of the window, if necessary. */
|
|
|
2267 if (need_to_clear_bottom)
|
|
|
2268 {
|
|
|
2269 redisplay_clear_bottom_of_window (w, ddla, need_to_clear_start,
|
|
|
2270 need_to_clear_end);
|
|
|
2271 }
|
|
|
2272
|
|
|
2273 w->window_end_pos[CURRENT_DISP] = w->window_end_pos[DESIRED_DISP];
|
|
|
2274 Fset_marker (w->start[CURRENT_DISP],
|
|
|
2275 make_int (marker_position (w->start[DESIRED_DISP])),
|
|
|
2276 w->buffer);
|
|
|
2277 Fset_marker (w->pointm[CURRENT_DISP],
|
|
|
2278 make_int (marker_position (w->pointm[DESIRED_DISP])),
|
|
|
2279 w->buffer);
|
|
|
2280 w->last_modified[CURRENT_DISP] = w->last_modified[DESIRED_DISP];
|
|
|
2281 w->last_facechange[CURRENT_DISP] = w->last_facechange[DESIRED_DISP];
|
|
|
2282 Fset_marker (w->last_start[CURRENT_DISP],
|
|
|
2283 Fmarker_position (w->last_start[DESIRED_DISP]), w->buffer);
|
|
|
2284 Fset_marker (w->last_point[CURRENT_DISP],
|
|
|
2285 Fmarker_position (w->last_point[DESIRED_DISP]), w->buffer);
|
|
|
2286 w->last_point_x[CURRENT_DISP] = w->last_point_x[DESIRED_DISP];
|
|
|
2287 w->last_point_y[CURRENT_DISP] = w->last_point_y[DESIRED_DISP];
|
|
|
2288 w->shadow_thickness_changed = 0;
|
|
|
2289
|
|
|
2290 set_window_display_buffer (w, XBUFFER (w->buffer));
|
|
|
2291 find_window_mirror (w)->truncate_win = window_truncation_on (w);
|
|
|
2292
|
|
|
2293 /* Overkill on invalidating the cache. It is very bad for it to not
|
|
|
2294 get invalidated when it should be. */
|
|
|
2295 INVALIDATE_DEVICE_PIXEL_TO_GLYPH_CACHE (d);
|
|
|
2296
|
|
|
2297 /* We don't call output_end for tty frames. Redisplay will do this
|
|
|
2298 after all tty windows have been updated. This cuts down on
|
|
|
2299 cursor flicker. */
|
|
|
2300 if (FRAME_TTY_P (f))
|
|
|
2301 redisplay_redraw_cursor (f, 0);
|
|
|
2302 else
|
|
|
2303 DEVMETH (d, output_end, (d));
|
|
|
2304
|
|
|
2305 #ifdef HAVE_SCROLLBARS
|
|
|
2306 update_window_scrollbars (w, NULL, !MINI_WINDOW_P (w), 0);
|
|
|
2307 #endif
|
|
|
2308 }
|
|
398
|
2309
|
|
|
2310 /*****************************************************************************
|
|
|
2311 bevel_modeline
|
|
|
2312
|
|
|
2313 Draw a 3d border around the modeline on window W.
|
|
|
2314 ****************************************************************************/
|
|
|
2315 void
|
|
|
2316 bevel_modeline (struct window *w, struct display_line *dl)
|
|
|
2317 {
|
|
|
2318 struct frame *f = XFRAME (w->frame);
|
|
|
2319 struct device *d = XDEVICE (f->device);
|
|
|
2320 int x, y, width, height;
|
|
|
2321 int shadow_thickness = MODELINE_SHADOW_THICKNESS (w);
|
|
|
2322 enum edge_style style;
|
|
|
2323
|
|
|
2324 x = WINDOW_MODELINE_LEFT (w);
|
|
|
2325 width = WINDOW_MODELINE_RIGHT (w) - x;
|
|
|
2326 y = dl->ypos - dl->ascent - shadow_thickness;
|
|
|
2327 height = dl->ascent + dl->descent + 2 * shadow_thickness;
|
|
|
2328
|
|
|
2329 if (XINT (w->modeline_shadow_thickness) < 0)
|
|
|
2330 {
|
|
|
2331 style = EDGE_BEVEL_IN;
|
|
|
2332 }
|
|
|
2333 else
|
|
|
2334 {
|
|
|
2335 style = EDGE_BEVEL_OUT;
|
|
|
2336 }
|
|
|
2337
|
|
|
2338 MAYBE_DEVMETH (d, bevel_area,
|
|
|
2339 (w, MODELINE_INDEX, x, y, width, height, shadow_thickness,
|
|
|
2340 EDGE_ALL, style));
|
|
|
2341 }
|
