annotate src/objects-x.c @ 398:74fd4e045ea6 r21-2-29

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date Mon, 13 Aug 2007 11:13:30 +0200
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1 /* X-specific Lisp objects.
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2 Copyright (C) 1993, 1994 Free Software Foundation, Inc.
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3 Copyright (C) 1995 Board of Trustees, University of Illinois.
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4 Copyright (C) 1995 Tinker Systems.
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5 Copyright (C) 1995, 1996 Ben Wing.
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6 Copyright (C) 1995 Sun Microsystems, Inc.
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7
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8 This file is part of XEmacs.
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9
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10 XEmacs is free software; you can redistribute it and/or modify it
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11 under the terms of the GNU General Public License as published by the
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12 Free Software Foundation; either version 2, or (at your option) any
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13 later version.
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14
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15 XEmacs is distributed in the hope that it will be useful, but WITHOUT
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16 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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17 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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18 for more details.
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19
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20 You should have received a copy of the GNU General Public License
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21 along with XEmacs; see the file COPYING. If not, write to
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22 the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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23 Boston, MA 02111-1307, USA. */
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24
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25 /* Synched up with: Not in FSF. */
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26
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27 /* Authors: Jamie Zawinski, Chuck Thompson, Ben Wing */
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28
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29 #include <config.h>
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30 #include "lisp.h"
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31 #include <limits.h>
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32
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33 #include "console-x.h"
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34 #include "objects-x.h"
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35
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36 #include "buffer.h"
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37 #include "device.h"
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38 #include "insdel.h"
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39
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40 int x_handle_non_fully_specified_fonts;
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41
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42
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43 /************************************************************************/
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44 /* color instances */
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45 /************************************************************************/
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46
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47 /* Replacement for XAllocColor() that tries to return the nearest
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48 available color if the colormap is full. Original was from FSFmacs,
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49 but rewritten by Jareth Hein <jareth@camelot-soft.com> 97/11/25
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50 Modified by Lee Kindness <lkindness@csl.co.uk> 31/08/99 to handle previous
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51 total failure which was due to a read/write colorcell being the nearest
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52 match - tries the next nearest...
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53
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54 Return value is 1 for normal success, 2 for nearest color success,
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55 3 for Non-deallocable sucess. */
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56 int
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57 allocate_nearest_color (Display *display, Colormap colormap, Visual *visual,
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58 XColor *color_def)
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59 {
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60 int status;
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61
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62 if (visual->class == DirectColor || visual->class == TrueColor)
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63 {
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64 if (XAllocColor (display, colormap, color_def) != 0)
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65 {
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66 status = 1;
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67 }
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68 else
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69 {
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70 /* We're dealing with a TrueColor/DirectColor visual, so play games
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71 with the RGB values in the XColor struct. */
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72 /* #### JH: I'm not sure how a call to XAllocColor can fail in a
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73 TrueColor or DirectColor visual, so I will just reformat the
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74 request to match the requirements of the visual, and re-issue
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75 the request. If this fails for anybody, I wanna know about it
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76 so I can come up with a better plan */
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77
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78 unsigned long rshift,gshift,bshift,rbits,gbits,bbits,junk;
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79 junk = visual->red_mask;
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80 rshift = 0;
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81 while ((junk & 0x1) == 0) {
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82 junk = junk >> 1;
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83 rshift ++;
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84 }
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85 rbits = 0;
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86 while (junk != 0) {
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87 junk = junk >> 1;
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88 rbits++;
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89 }
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90 junk = visual->green_mask;
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91 gshift = 0;
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92 while ((junk & 0x1) == 0) {
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93 junk = junk >> 1;
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94 gshift ++;
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95 }
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96 gbits = 0;
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97 while (junk != 0) {
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98 junk = junk >> 1;
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99 gbits++;
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100 }
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101 junk = visual->blue_mask;
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102 bshift = 0;
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103 while ((junk & 0x1) == 0) {
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104 junk = junk >> 1;
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105 bshift ++;
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106 }
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107 bbits = 0;
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108 while (junk != 0) {
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109 junk = junk >> 1;
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110 bbits++;
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111 }
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112
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113 color_def->red = color_def->red >> (16 - rbits);
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114 color_def->green = color_def->green >> (16 - gbits);
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115 color_def->blue = color_def->blue >> (16 - bbits);
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116 if (XAllocColor (display, colormap, color_def) != 0)
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117 status = 1;
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118 else
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119 {
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120 int rd, gr, bl;
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121 /* #### JH: I'm punting here, knowing that doing this will at
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122 least draw the color correctly. However, unless we convert
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123 all of the functions that allocate colors (graphics
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124 libraries, etc) to use this function doing this is very
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125 likely to cause problems later... */
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126
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127 if (rbits > 8)
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128 rd = color_def->red << (rbits - 8);
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129 else
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130 rd = color_def->red >> (8 - rbits);
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131 if (gbits > 8)
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132 gr = color_def->green << (gbits - 8);
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133 else
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134 gr = color_def->green >> (8 - gbits);
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135 if (bbits > 8)
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136 bl = color_def->blue << (bbits - 8);
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137 else
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138 bl = color_def->blue >> (8 - bbits);
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139 color_def->pixel = (rd << rshift) | (gr << gshift) | (bl << bshift);
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140 status = 3;
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141 }
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142 }
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143 }
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144 else
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145 {
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146 XColor *cells = NULL;
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147 /* JH: I can't believe there's no way to go backwards from a
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148 colormap ID and get its visual and number of entries, but X
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149 apparently isn't built that way... */
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150 int no_cells = visual->map_entries;
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151 status = 0;
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152
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153 if (XAllocColor (display, colormap, color_def) != 0)
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154 status = 1;
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155 else while( status != 2 )
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156 {
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157 /* If we got to this point, the colormap is full, so we're
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158 going to try and get the next closest color. The algorithm used
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159 is a least-squares matching, which is what X uses for closest
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160 color matching with StaticColor visuals. */
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161 int nearest;
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162 long nearest_delta, trial_delta;
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163 int x;
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164
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165 if( cells == NULL )
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166 {
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167 cells = alloca_array (XColor, no_cells);
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168 for (x = 0; x < no_cells; x++)
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169 cells[x].pixel = x;
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170
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171 /* read the current colormap */
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172 XQueryColors (display, colormap, cells, no_cells);
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173 }
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174
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175 nearest = 0;
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176 /* I'm assuming CSE so I'm not going to condense this. */
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177 nearest_delta = ((((color_def->red >> 8) - (cells[0].red >> 8))
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cvs
parents: 185
diff changeset
178 * ((color_def->red >> 8) - (cells[0].red >> 8)))
262b8bb4a523 Import from CVS: tag r20-4b8
cvs
parents: 185
diff changeset
179 +
262b8bb4a523 Import from CVS: tag r20-4b8
cvs
parents: 185
diff changeset
180 (((color_def->green >> 8) - (cells[0].green >> 8))
262b8bb4a523 Import from CVS: tag r20-4b8
cvs
parents: 185
diff changeset
181 * ((color_def->green >> 8) - (cells[0].green >> 8)))
262b8bb4a523 Import from CVS: tag r20-4b8
cvs
parents: 185
diff changeset
182 +
262b8bb4a523 Import from CVS: tag r20-4b8
cvs
parents: 185
diff changeset
183 (((color_def->blue >> 8) - (cells[0].blue >> 8))
262b8bb4a523 Import from CVS: tag r20-4b8
cvs
parents: 185
diff changeset
184 * ((color_def->blue >> 8) - (cells[0].blue >> 8))));
262b8bb4a523 Import from CVS: tag r20-4b8
cvs
parents: 185
diff changeset
185 for (x = 1; x < no_cells; x++)
262b8bb4a523 Import from CVS: tag r20-4b8
cvs
parents: 185
diff changeset
186 {
262b8bb4a523 Import from CVS: tag r20-4b8
cvs
parents: 185
diff changeset
187 trial_delta = ((((color_def->red >> 8) - (cells[x].red >> 8))
262b8bb4a523 Import from CVS: tag r20-4b8
cvs
parents: 185
diff changeset
188 * ((color_def->red >> 8) - (cells[x].red >> 8)))
262b8bb4a523 Import from CVS: tag r20-4b8
cvs
parents: 185
diff changeset
189 +
262b8bb4a523 Import from CVS: tag r20-4b8
cvs
parents: 185
diff changeset
190 (((color_def->green >> 8) - (cells[x].green >> 8))
262b8bb4a523 Import from CVS: tag r20-4b8
cvs
parents: 185
diff changeset
191 * ((color_def->green >> 8) - (cells[x].green >> 8)))
262b8bb4a523 Import from CVS: tag r20-4b8
cvs
parents: 185
diff changeset
192 +
262b8bb4a523 Import from CVS: tag r20-4b8
cvs
parents: 185
diff changeset
193 (((color_def->blue >> 8) - (cells[x].blue >> 8))
262b8bb4a523 Import from CVS: tag r20-4b8
cvs
parents: 185
diff changeset
194 * ((color_def->blue >> 8) - (cells[x].blue >> 8))));
398
74fd4e045ea6 Import from CVS: tag r21-2-29
cvs
parents: 380
diff changeset
195
74fd4e045ea6 Import from CVS: tag r21-2-29
cvs
parents: 380
diff changeset
196 /* less? Ignore cells marked as previously failing */
74fd4e045ea6 Import from CVS: tag r21-2-29
cvs
parents: 380
diff changeset
197 if( (trial_delta < nearest_delta) &&
74fd4e045ea6 Import from CVS: tag r21-2-29
cvs
parents: 380
diff changeset
198 (cells[x].pixel != ULONG_MAX) )
219
262b8bb4a523 Import from CVS: tag r20-4b8
cvs
parents: 185
diff changeset
199 {
262b8bb4a523 Import from CVS: tag r20-4b8
cvs
parents: 185
diff changeset
200 nearest = x;
262b8bb4a523 Import from CVS: tag r20-4b8
cvs
parents: 185
diff changeset
201 nearest_delta = trial_delta;
262b8bb4a523 Import from CVS: tag r20-4b8
cvs
parents: 185
diff changeset
202 }
262b8bb4a523 Import from CVS: tag r20-4b8
cvs
parents: 185
diff changeset
203 }
262b8bb4a523 Import from CVS: tag r20-4b8
cvs
parents: 185
diff changeset
204 color_def->red = cells[nearest].red;
262b8bb4a523 Import from CVS: tag r20-4b8
cvs
parents: 185
diff changeset
205 color_def->green = cells[nearest].green;
262b8bb4a523 Import from CVS: tag r20-4b8
cvs
parents: 185
diff changeset
206 color_def->blue = cells[nearest].blue;
398
74fd4e045ea6 Import from CVS: tag r21-2-29
cvs
parents: 380
diff changeset
207 if (XAllocColor (display, colormap, color_def) != 0)
74fd4e045ea6 Import from CVS: tag r21-2-29
cvs
parents: 380
diff changeset
208 status = 2;
74fd4e045ea6 Import from CVS: tag r21-2-29
cvs
parents: 380
diff changeset
209 else
74fd4e045ea6 Import from CVS: tag r21-2-29
cvs
parents: 380
diff changeset
210 /* LSK: Either the colour map has changed since
74fd4e045ea6 Import from CVS: tag r21-2-29
cvs
parents: 380
diff changeset
211 * we read it, or the colour is allocated
74fd4e045ea6 Import from CVS: tag r21-2-29
cvs
parents: 380
diff changeset
212 * read/write... Mark this cmap entry so it's
74fd4e045ea6 Import from CVS: tag r21-2-29
cvs
parents: 380
diff changeset
213 * ignored in the next iteration.
74fd4e045ea6 Import from CVS: tag r21-2-29
cvs
parents: 380
diff changeset
214 */
74fd4e045ea6 Import from CVS: tag r21-2-29
cvs
parents: 380
diff changeset
215 cells[nearest].pixel = ULONG_MAX;
219
262b8bb4a523 Import from CVS: tag r20-4b8
cvs
parents: 185
diff changeset
216 }
262b8bb4a523 Import from CVS: tag r20-4b8
cvs
parents: 185
diff changeset
217 }
0
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
218 return status;
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
219 }
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
220
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
221 int
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
222 x_parse_nearest_color (struct device *d, XColor *color, Bufbyte *name,
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
223 Bytecount len, Error_behavior errb)
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
224 {
398
74fd4e045ea6 Import from CVS: tag r21-2-29
cvs
parents: 380
diff changeset
225 Display *dpy = DEVICE_X_DISPLAY (d);
74fd4e045ea6 Import from CVS: tag r21-2-29
cvs
parents: 380
diff changeset
226 Colormap cmap = DEVICE_X_COLORMAP (d);
74fd4e045ea6 Import from CVS: tag r21-2-29
cvs
parents: 380
diff changeset
227 Visual *visual = DEVICE_X_VISUAL (d);
0
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
228 int result;
185
3d6bfa290dbd Import from CVS: tag r20-3b19
cvs
parents: 149
diff changeset
229
272
c5d627a313b1 Import from CVS: tag r21-0b34
cvs
parents: 269
diff changeset
230 xzero (*color);
0
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
231 {
398
74fd4e045ea6 Import from CVS: tag r21-2-29
cvs
parents: 380
diff changeset
232 const Extbyte *extname;
0
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
233 Extcount extnamelen;
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
234
398
74fd4e045ea6 Import from CVS: tag r21-2-29
cvs
parents: 380
diff changeset
235 TO_EXTERNAL_FORMAT (DATA, (name, len),
74fd4e045ea6 Import from CVS: tag r21-2-29
cvs
parents: 380
diff changeset
236 ALLOCA, (extname, extnamelen),
74fd4e045ea6 Import from CVS: tag r21-2-29
cvs
parents: 380
diff changeset
237 Qbinary);
0
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
238 result = XParseColor (dpy, cmap, (char *) extname, color);
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
239 }
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
240 if (!result)
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
241 {
380
8626e4521993 Import from CVS: tag r21-2-5
cvs
parents: 371
diff changeset
242 maybe_signal_simple_error ("Unrecognized color", make_string (name, len),
0
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
243 Qcolor, errb);
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
244 return 0;
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
245 }
219
262b8bb4a523 Import from CVS: tag r20-4b8
cvs
parents: 185
diff changeset
246 result = allocate_nearest_color (dpy, cmap, visual, color);
0
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
247 if (!result)
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
248 {
380
8626e4521993 Import from CVS: tag r21-2-5
cvs
parents: 371
diff changeset
249 maybe_signal_simple_error ("Couldn't allocate color",
0
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
250 make_string (name, len), Qcolor, errb);
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
251 return 0;
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
252 }
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
253
219
262b8bb4a523 Import from CVS: tag r20-4b8
cvs
parents: 185
diff changeset
254 return result;
0
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
255 }
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
256
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
257 static int
398
74fd4e045ea6 Import from CVS: tag r21-2-29
cvs
parents: 380
diff changeset
258 x_initialize_color_instance (Lisp_Color_Instance *c, Lisp_Object name,
0
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
259 Lisp_Object device, Error_behavior errb)
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
260 {
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
261 XColor color;
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
262 int result;
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
263
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
264 result = x_parse_nearest_color (XDEVICE (device), &color,
14
9ee227acff29 Import from CVS: tag r19-15b90
cvs
parents: 2
diff changeset
265 XSTRING_DATA (name),
9ee227acff29 Import from CVS: tag r19-15b90
cvs
parents: 2
diff changeset
266 XSTRING_LENGTH (name),
0
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
267 errb);
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
268
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
269 if (!result)
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
270 return 0;
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
271
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
272 /* Don't allocate the data until we're sure that we will succeed,
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
273 or the finalize method may get fucked. */
185
3d6bfa290dbd Import from CVS: tag r20-3b19
cvs
parents: 149
diff changeset
274 c->data = xnew (struct x_color_instance_data);
272
c5d627a313b1 Import from CVS: tag r21-0b34
cvs
parents: 269
diff changeset
275 if (result == 3)
219
262b8bb4a523 Import from CVS: tag r20-4b8
cvs
parents: 185
diff changeset
276 COLOR_INSTANCE_X_DEALLOC (c) = 0;
262b8bb4a523 Import from CVS: tag r20-4b8
cvs
parents: 185
diff changeset
277 else
262b8bb4a523 Import from CVS: tag r20-4b8
cvs
parents: 185
diff changeset
278 COLOR_INSTANCE_X_DEALLOC (c) = 1;
0
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
279 COLOR_INSTANCE_X_COLOR (c) = color;
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
280 return 1;
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
281 }
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
282
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
283 static void
398
74fd4e045ea6 Import from CVS: tag r21-2-29
cvs
parents: 380
diff changeset
284 x_print_color_instance (Lisp_Color_Instance *c,
0
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
285 Lisp_Object printcharfun,
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
286 int escapeflag)
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
287 {
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
288 char buf[100];
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
289 XColor color = COLOR_INSTANCE_X_COLOR (c);
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
290 sprintf (buf, " %ld=(%X,%X,%X)",
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
291 color.pixel, color.red, color.green, color.blue);
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
292 write_c_string (buf, printcharfun);
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
293 }
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
294
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
295 static void
398
74fd4e045ea6 Import from CVS: tag r21-2-29
cvs
parents: 380
diff changeset
296 x_finalize_color_instance (Lisp_Color_Instance *c)
0
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
297 {
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
298 if (c->data)
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
299 {
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
300 if (DEVICE_LIVE_P (XDEVICE (c->device)))
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
301 {
272
c5d627a313b1 Import from CVS: tag r21-0b34
cvs
parents: 269
diff changeset
302 if (COLOR_INSTANCE_X_DEALLOC (c))
219
262b8bb4a523 Import from CVS: tag r20-4b8
cvs
parents: 185
diff changeset
303 {
262b8bb4a523 Import from CVS: tag r20-4b8
cvs
parents: 185
diff changeset
304 XFreeColors (DEVICE_X_DISPLAY (XDEVICE (c->device)), DEVICE_X_COLORMAP (XDEVICE (c->device)),
262b8bb4a523 Import from CVS: tag r20-4b8
cvs
parents: 185
diff changeset
305 &COLOR_INSTANCE_X_COLOR (c).pixel, 1, 0);
262b8bb4a523 Import from CVS: tag r20-4b8
cvs
parents: 185
diff changeset
306 }
0
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
307 }
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
308 xfree (c->data);
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
309 c->data = 0;
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
310 }
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
311 }
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
312
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
313 /* Color instances are equal if they resolve to the same color on the
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
314 screen (have the same RGB values). I imagine that
219
262b8bb4a523 Import from CVS: tag r20-4b8
cvs
parents: 185
diff changeset
315 "same RGB values" == "same cell in the colormap." Arguably we should
262b8bb4a523 Import from CVS: tag r20-4b8
cvs
parents: 185
diff changeset
316 be comparing their names or pixel values instead. */
0
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
317
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
318 static int
398
74fd4e045ea6 Import from CVS: tag r21-2-29
cvs
parents: 380
diff changeset
319 x_color_instance_equal (Lisp_Color_Instance *c1,
74fd4e045ea6 Import from CVS: tag r21-2-29
cvs
parents: 380
diff changeset
320 Lisp_Color_Instance *c2,
0
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
321 int depth)
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
322 {
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
323 XColor color1 = COLOR_INSTANCE_X_COLOR (c1);
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
324 XColor color2 = COLOR_INSTANCE_X_COLOR (c2);
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
325 return ((color1.red == color2.red) &&
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
326 (color1.green == color2.green) &&
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
327 (color1.blue == color2.blue));
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
328 }
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
329
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
330 static unsigned long
398
74fd4e045ea6 Import from CVS: tag r21-2-29
cvs
parents: 380
diff changeset
331 x_color_instance_hash (Lisp_Color_Instance *c, int depth)
0
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
332 {
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
333 XColor color = COLOR_INSTANCE_X_COLOR (c);
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
334 return HASH3 (color.red, color.green, color.blue);
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
335 }
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
336
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
337 static Lisp_Object
398
74fd4e045ea6 Import from CVS: tag r21-2-29
cvs
parents: 380
diff changeset
338 x_color_instance_rgb_components (Lisp_Color_Instance *c)
0
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
339 {
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
340 XColor color = COLOR_INSTANCE_X_COLOR (c);
185
3d6bfa290dbd Import from CVS: tag r20-3b19
cvs
parents: 149
diff changeset
341 return (list3 (make_int (color.red),
0
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
342 make_int (color.green),
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
343 make_int (color.blue)));
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
344 }
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
345
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
346 static int
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
347 x_valid_color_name_p (struct device *d, Lisp_Object color)
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
348 {
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
349 XColor c;
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
350 Display *dpy = DEVICE_X_DISPLAY (d);
219
262b8bb4a523 Import from CVS: tag r20-4b8
cvs
parents: 185
diff changeset
351 Colormap cmap = DEVICE_X_COLORMAP (d);
262b8bb4a523 Import from CVS: tag r20-4b8
cvs
parents: 185
diff changeset
352
398
74fd4e045ea6 Import from CVS: tag r21-2-29
cvs
parents: 380
diff changeset
353 const char *extname;
185
3d6bfa290dbd Import from CVS: tag r20-3b19
cvs
parents: 149
diff changeset
354
398
74fd4e045ea6 Import from CVS: tag r21-2-29
cvs
parents: 380
diff changeset
355 TO_EXTERNAL_FORMAT (LISP_STRING, color, C_STRING_ALLOCA, extname, Qctext);
0
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
356
398
74fd4e045ea6 Import from CVS: tag r21-2-29
cvs
parents: 380
diff changeset
357 return XParseColor (dpy, cmap, extname, &c);
0
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
358 }
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
359
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
360
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
361 /************************************************************************/
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
362 /* font instances */
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
363 /************************************************************************/
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
364
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
365 static int
398
74fd4e045ea6 Import from CVS: tag r21-2-29
cvs
parents: 380
diff changeset
366 x_initialize_font_instance (Lisp_Font_Instance *f, Lisp_Object name,
0
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
367 Lisp_Object device, Error_behavior errb)
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
368 {
398
74fd4e045ea6 Import from CVS: tag r21-2-29
cvs
parents: 380
diff changeset
369 Display *dpy = DEVICE_X_DISPLAY (XDEVICE (device));
0
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
370 XFontStruct *xf;
398
74fd4e045ea6 Import from CVS: tag r21-2-29
cvs
parents: 380
diff changeset
371 const char *extname;
185
3d6bfa290dbd Import from CVS: tag r20-3b19
cvs
parents: 149
diff changeset
372
398
74fd4e045ea6 Import from CVS: tag r21-2-29
cvs
parents: 380
diff changeset
373 TO_EXTERNAL_FORMAT (LISP_STRING, f->name, C_STRING_ALLOCA, extname, Qctext);
0
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
374 xf = XLoadQueryFont (dpy, extname);
185
3d6bfa290dbd Import from CVS: tag r20-3b19
cvs
parents: 149
diff changeset
375
0
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
376 if (!xf)
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
377 {
380
8626e4521993 Import from CVS: tag r21-2-5
cvs
parents: 371
diff changeset
378 maybe_signal_simple_error ("Couldn't load font", f->name,
0
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
379 Qfont, errb);
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
380 return 0;
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
381 }
185
3d6bfa290dbd Import from CVS: tag r20-3b19
cvs
parents: 149
diff changeset
382
0
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
383 if (!xf->max_bounds.width)
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
384 {
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
385 /* yes, this has been known to happen. */
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
386 XFreeFont (dpy, xf);
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
387 maybe_signal_simple_error ("X font is too small", f->name,
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
388 Qfont, errb);
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
389 return 0;
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
390 }
185
3d6bfa290dbd Import from CVS: tag r20-3b19
cvs
parents: 149
diff changeset
391
0
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
392 /* Don't allocate the data until we're sure that we will succeed,
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
393 or the finalize method may get fucked. */
185
3d6bfa290dbd Import from CVS: tag r20-3b19
cvs
parents: 149
diff changeset
394 f->data = xnew (struct x_font_instance_data);
0
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
395 FONT_INSTANCE_X_TRUENAME (f) = Qnil;
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
396 FONT_INSTANCE_X_FONT (f) = xf;
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
397 f->ascent = xf->ascent;
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
398 f->descent = xf->descent;
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
399 f->height = xf->ascent + xf->descent;
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
400 {
80
1ce6082ce73f Import from CVS: tag r20-0b90
cvs
parents: 70
diff changeset
401 /* following change suggested by Ted Phelps <phelps@dstc.edu.au> */
1ce6082ce73f Import from CVS: tag r20-0b90
cvs
parents: 70
diff changeset
402 unsigned int def_char = 'n'; /*xf->default_char;*/
272
c5d627a313b1 Import from CVS: tag r21-0b34
cvs
parents: 269
diff changeset
403 unsigned int byte1, byte2;
0
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
404
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
405 once_more:
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
406 byte1 = def_char >> 8;
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
407 byte2 = def_char & 0xFF;
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
408
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
409 if (xf->per_char)
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
410 {
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
411 /* Old versions of the R5 font server have garbage (>63k) as
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
412 def_char. 'n' might not be a valid character. */
272
c5d627a313b1 Import from CVS: tag r21-0b34
cvs
parents: 269
diff changeset
413 if (byte1 < xf->min_byte1 ||
c5d627a313b1 Import from CVS: tag r21-0b34
cvs
parents: 269
diff changeset
414 byte1 > xf->max_byte1 ||
c5d627a313b1 Import from CVS: tag r21-0b34
cvs
parents: 269
diff changeset
415 byte2 < xf->min_char_or_byte2 ||
c5d627a313b1 Import from CVS: tag r21-0b34
cvs
parents: 269
diff changeset
416 byte2 > xf->max_char_or_byte2)
0
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
417 f->width = 0;
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
418 else
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
419 f->width = xf->per_char[(byte1 - xf->min_byte1) *
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
420 (xf->max_char_or_byte2 -
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
421 xf->min_char_or_byte2 + 1) +
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
422 (byte2 - xf->min_char_or_byte2)].width;
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
423 }
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
424 else
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
425 f->width = xf->max_bounds.width;
185
3d6bfa290dbd Import from CVS: tag r20-3b19
cvs
parents: 149
diff changeset
426
0
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
427 /* Some fonts have a default char whose width is 0. This is no good.
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
428 If that's the case, first try 'n' as the default char, and if n has
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
429 0 width too (unlikely) then just use the max width. */
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
430 if (f->width == 0)
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
431 {
80
1ce6082ce73f Import from CVS: tag r20-0b90
cvs
parents: 70
diff changeset
432 if (def_char == xf->default_char)
0
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
433 f->width = xf->max_bounds.width;
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
434 else
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
435 {
80
1ce6082ce73f Import from CVS: tag r20-0b90
cvs
parents: 70
diff changeset
436 def_char = xf->default_char;
0
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
437 goto once_more;
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
438 }
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
439 }
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
440 }
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
441 /* If all characters don't exist then there could potentially be
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
442 0-width characters lurking out there. Not setting this flag
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
443 trips an optimization that would make them appear to have width
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
444 to redisplay. This is bad. So we set it if not all characters
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
445 have the same width or if not all characters are defined.
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
446 */
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
447 /* #### This sucks. There is a measurable performance increase
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
448 when using proportional width fonts if this flag is not set.
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
449 Unfortunately so many of the fucking X fonts are not fully
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
450 defined that we could almost just get rid of this damn flag and
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
451 make it an assertion. */
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
452 f->proportional_p = (xf->min_bounds.width != xf->max_bounds.width ||
272
c5d627a313b1 Import from CVS: tag r21-0b34
cvs
parents: 269
diff changeset
453 (x_handle_non_fully_specified_fonts &&
0
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
454 !xf->all_chars_exist));
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
455
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
456 return 1;
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
457 }
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
458
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
459 static void
398
74fd4e045ea6 Import from CVS: tag r21-2-29
cvs
parents: 380
diff changeset
460 x_mark_font_instance (Lisp_Font_Instance *f)
0
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
461 {
398
74fd4e045ea6 Import from CVS: tag r21-2-29
cvs
parents: 380
diff changeset
462 mark_object (FONT_INSTANCE_X_TRUENAME (f));
0
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
463 }
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
464
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
465 static void
398
74fd4e045ea6 Import from CVS: tag r21-2-29
cvs
parents: 380
diff changeset
466 x_print_font_instance (Lisp_Font_Instance *f,
0
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
467 Lisp_Object printcharfun,
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
468 int escapeflag)
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
469 {
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
470 char buf[200];
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
471 sprintf (buf, " 0x%lx", (unsigned long) FONT_INSTANCE_X_FONT (f)->fid);
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
472 write_c_string (buf, printcharfun);
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
473 }
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
474
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
475 static void
398
74fd4e045ea6 Import from CVS: tag r21-2-29
cvs
parents: 380
diff changeset
476 x_finalize_font_instance (Lisp_Font_Instance *f)
0
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
477 {
185
3d6bfa290dbd Import from CVS: tag r20-3b19
cvs
parents: 149
diff changeset
478
0
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
479 if (f->data)
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
480 {
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
481 if (DEVICE_LIVE_P (XDEVICE (f->device)))
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
482 {
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
483 Display *dpy = DEVICE_X_DISPLAY (XDEVICE (f->device));
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
484
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
485 XFreeFont (dpy, FONT_INSTANCE_X_FONT (f));
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
486 }
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
487 xfree (f->data);
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
488 f->data = 0;
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
489 }
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
490 }
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
491
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
492 /* Determining the truename of a font is hard. (Big surprise.)
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
493
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
494 By "truename" we mean an XLFD-form name which contains no wildcards, yet
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
495 which resolves to *exactly* the same font as the one which we already have
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
496 the (probably wildcarded) name and `XFontStruct' of.
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
497
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
498 One might think that the first font returned by XListFonts would be the one
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
499 that XOpenFont would pick. Apparently this is the case on some servers,
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
500 but not on others. It would seem not to be specified.
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
501
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
502 The MIT R5 server sometimes appears to be picking the lexicographically
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
503 smallest font which matches the name (thus picking "adobe" fonts before
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
504 "bitstream" fonts even if the bitstream fonts are earlier in the path, and
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
505 also picking 100dpi adobe fonts over 75dpi adobe fonts even though the
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
506 75dpi are in the path earlier) but sometimes appears to be doing something
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
507 else entirely (for example, removing the bitsream fonts from the path will
380
8626e4521993 Import from CVS: tag r21-2-5
cvs
parents: 371
diff changeset
508 cause the 75dpi adobe fonts to be used instead of the 100dpi, even though
0
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
509 their relative positions in the path (and their names!) have not changed).
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
510
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
511 The documentation for XSetFontPath() seems to indicate that the order of
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
512 entries in the font path means something, but it's pretty noncommital about
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
513 it, and the spirit of the law is apparently not being obeyed...
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
514
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
515 All the fonts I've seen have a property named `FONT' which contains the
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
516 truename of the font. However, there are two problems with using this: the
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
517 first is that the X Protocol Document is quite explicit that all properties
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
518 are optional, so we can't depend on it being there. The second is that
380
8626e4521993 Import from CVS: tag r21-2-5
cvs
parents: 371
diff changeset
519 it's conceivable that this alleged truename isn't actually accessible as a
0
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
520 font, due to some difference of opinion between the font designers and
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
521 whoever installed the font on the system.
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
522
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
523 So, our first attempt is to look for a FONT property, and then verify that
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
524 the name there is a valid name by running XListFonts on it. There's still
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
525 the potential that this could be true but we could still be being lied to,
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
526 but that seems pretty remote.
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
527
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
528 Late breaking news: I've gotten reports that SunOS 4.1.3U1
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
529 with OpenWound 3.0 has a font whose truename is really
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
530 "-Adobe-Courier-Medium-R-Normal--12-120-75-75-M-70-ISO8859-1"
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
531 but whose FONT property contains "Courier".
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
532
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
533 So we disbelieve the FONT property unless it begins with a dash and
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
534 is more than 30 characters long. X Windows: The defacto substandard.
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
535 X Windows: Complex nonsolutions to simple nonproblems. X Windows:
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
536 Live the nightmare.
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
537
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
538 If the FONT property doesn't exist, then we try and construct an XLFD name
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
539 out of the other font properties (FOUNDRY, FAMILY_NAME, WEIGHT_NAME, etc).
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
540 This is necessary at least for some versions of OpenWound. But who knows
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
541 what the future will bring.
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
542
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
543 If that doesn't work, then we use XListFonts and either take the first font
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
544 (which I think is the most sensible thing) or we find the lexicographically
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
545 least, depending on whether the preprocessor constant `XOPENFONT_SORTS' is
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
546 defined. This sucks because the two behaviors are a property of the server
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
547 being used, not the architecture on which emacs has been compiled. Also,
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
548 as I described above, sorting isn't ALWAYS what the server does. Really it
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
549 does something seemingly random. There is no reliable way to win if the
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
550 FONT property isn't present.
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
551
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
552 Another possibility which I haven't bothered to implement would be to map
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
553 over all of the matching fonts and find the first one that has the same
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
554 character metrics as the font we already have loaded. Even if this didn't
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
555 return exactly the same font, it would at least return one whose characters
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
556 were the same sizes, which would probably be good enough.
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
557
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
558 More late-breaking news: on RS/6000 AIX 3.2.4, the expression
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
559 XLoadQueryFont (dpy, "-*-Fixed-Medium-R-*-*-*-130-75-75-*-*-ISO8859-1")
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
560 actually returns the font
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
561 -Misc-Fixed-Medium-R-Normal--13-120-75-75-C-80-ISO8859-1
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
562 which is crazy, because that font doesn't even match that pattern! It is
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
563 also not included in the output produced by `xlsfonts' with that pattern.
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
564
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
565 So this is yet another example of XListFonts() and XOpenFont() using
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
566 completely different algorithms. This, however, is a goofier example of
185
3d6bfa290dbd Import from CVS: tag r20-3b19
cvs
parents: 149
diff changeset
567 this bug, because in this case, it's not just the search order that is
0
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
568 different -- the sets don't even intersect.
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
569
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
570 If anyone has any better ideas how to do this, or any insights on what it is
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
571 that the various servers are actually doing, please let me know! -- jwz. */
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
572
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
573 static int
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
574 valid_x_font_name_p (Display *dpy, char *name)
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
575 {
380
8626e4521993 Import from CVS: tag r21-2-5
cvs
parents: 371
diff changeset
576 /* Maybe this should be implemented by calling XLoadFont and trapping
0
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
577 the error. That would be a lot of work, and wasteful as hell, but
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
578 might be more correct.
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
579 */
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
580 int nnames = 0;
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
581 char **names = 0;
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
582 if (! name)
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
583 return 0;
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
584 names = XListFonts (dpy, name, 1, &nnames);
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
585 if (names)
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
586 XFreeFontNames (names);
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
587 return (nnames != 0);
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
588 }
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
589
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
590 static char *
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
591 truename_via_FONT_prop (Display *dpy, XFontStruct *font)
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
592 {
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
593 unsigned long value = 0;
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
594 char *result = 0;
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
595 if (XGetFontProperty (font, XA_FONT, &value))
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
596 result = XGetAtomName (dpy, value);
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
597 /* result is now 0, or the string value of the FONT property. */
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
598 if (result)
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
599 {
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
600 /* Verify that result is an XLFD name (roughly...) */
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
601 if (result [0] != '-' || strlen (result) < (unsigned int) 30)
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
602 {
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
603 XFree (result);
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
604 result = 0;
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
605 }
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
606 }
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
607 return result; /* this must be freed by caller if non-0 */
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
608 }
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
609
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
610 static char *
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
611 truename_via_random_props (Display *dpy, XFontStruct *font)
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
612 {
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
613 struct device *d = get_device_from_display (dpy);
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
614 unsigned long value = 0;
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
615 char *foundry, *family, *weight, *slant, *setwidth, *add_style;
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
616 unsigned long pixel, point, res_x, res_y;
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
617 char *spacing;
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
618 unsigned long avg_width;
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
619 char *registry, *encoding;
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
620 char composed_name [2048];
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
621 int ok = 0;
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
622 char *result;
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
623
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
624 #define get_string(atom,var) \
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
625 if (XGetFontProperty (font, (atom), &value)) \
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
626 var = XGetAtomName (dpy, value); \
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
627 else { \
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
628 var = 0; \
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
629 goto FAIL; }
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
630 #define get_number(atom,var) \
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
631 if (!XGetFontProperty (font, (atom), &var) || \
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
632 var > 999) \
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
633 goto FAIL;
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
634
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
635 foundry = family = weight = slant = setwidth = 0;
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
636 add_style = spacing = registry = encoding = 0;
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
637
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
638 get_string (DEVICE_XATOM_FOUNDRY (d), foundry);
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
639 get_string (DEVICE_XATOM_FAMILY_NAME (d), family);
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
640 get_string (DEVICE_XATOM_WEIGHT_NAME (d), weight);
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
641 get_string (DEVICE_XATOM_SLANT (d), slant);
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
642 get_string (DEVICE_XATOM_SETWIDTH_NAME (d), setwidth);
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
643 get_string (DEVICE_XATOM_ADD_STYLE_NAME (d), add_style);
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
644 get_number (DEVICE_XATOM_PIXEL_SIZE (d), pixel);
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
645 get_number (DEVICE_XATOM_POINT_SIZE (d), point);
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
646 get_number (DEVICE_XATOM_RESOLUTION_X (d), res_x);
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
647 get_number (DEVICE_XATOM_RESOLUTION_Y (d), res_y);
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
648 get_string (DEVICE_XATOM_SPACING (d), spacing);
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
649 get_number (DEVICE_XATOM_AVERAGE_WIDTH (d), avg_width);
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
650 get_string (DEVICE_XATOM_CHARSET_REGISTRY (d), registry);
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
651 get_string (DEVICE_XATOM_CHARSET_ENCODING (d), encoding);
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
652 #undef get_number
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
653 #undef get_string
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
654
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
655 sprintf (composed_name,
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
656 "-%s-%s-%s-%s-%s-%s-%ld-%ld-%ld-%ld-%s-%ld-%s-%s",
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
657 foundry, family, weight, slant, setwidth, add_style, pixel,
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
658 point, res_x, res_y, spacing, avg_width, registry, encoding);
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
659 ok = 1;
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
660
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
661 FAIL:
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
662 if (ok)
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
663 {
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
664 int L = strlen (composed_name) + 1;
185
3d6bfa290dbd Import from CVS: tag r20-3b19
cvs
parents: 149
diff changeset
665 result = (char *) xmalloc (L);
0
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
666 strncpy (result, composed_name, L);
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
667 }
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
668 else
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
669 result = 0;
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
670
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
671 if (foundry) XFree (foundry);
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
672 if (family) XFree (family);
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
673 if (weight) XFree (weight);
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
674 if (slant) XFree (slant);
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
675 if (setwidth) XFree (setwidth);
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
676 if (add_style) XFree (add_style);
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
677 if (spacing) XFree (spacing);
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
678 if (registry) XFree (registry);
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
679 if (encoding) XFree (encoding);
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
680
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
681 return result;
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
682 }
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
683
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
684 /* Unbounded, for sufficiently small values of infinity... */
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
685 #define MAX_FONT_COUNT 5000
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
686
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
687 static char *
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
688 truename_via_XListFonts (Display *dpy, char *font_name)
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
689 {
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
690 char *result = 0;
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
691 char **names;
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
692 int count = 0;
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
693
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
694 #ifndef XOPENFONT_SORTS
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
695 /* In a sensible world, the first font returned by XListFonts()
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
696 would be the font that XOpenFont() would use. */
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
697 names = XListFonts (dpy, font_name, 1, &count);
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
698 if (count) result = names [0];
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
699 #else
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
700 /* But the world I live in is much more perverse. */
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
701 names = XListFonts (dpy, font_name, MAX_FONT_COUNT, &count);
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
702 while (count--)
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
703 /* If names[count] is lexicographically less than result, use it.
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
704 (#### Should we be comparing case-insensitively?) */
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
705 if (result == 0 || (strcmp (result, names [count]) < 0))
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
706 result = names [count];
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
707 #endif
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
708
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
709 if (result)
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
710 result = xstrdup (result);
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
711 if (names)
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
712 XFreeFontNames (names);
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
713
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
714 return result; /* this must be freed by caller if non-0 */
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
715 }
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
716
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
717 static Lisp_Object
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
718 x_font_truename (Display *dpy, char *name, XFontStruct *font)
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
719 {
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
720 char *truename_FONT = 0;
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
721 char *truename_random = 0;
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
722 char *truename = 0;
185
3d6bfa290dbd Import from CVS: tag r20-3b19
cvs
parents: 149
diff changeset
723
0
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
724 /* The search order is:
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
725 - if FONT property exists, and is a valid name, return it.
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
726 - if the other props exist, and add up to a valid name, return it.
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
727 - if we find a matching name with XListFonts, return it.
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
728 - if FONT property exists, return it regardless.
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
729 - if other props exist, return the resultant name regardless.
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
730 - else return 0.
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
731 */
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
732
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
733 truename = truename_FONT = truename_via_FONT_prop (dpy, font);
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
734 if (truename && !valid_x_font_name_p (dpy, truename))
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
735 truename = 0;
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
736 if (!truename)
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
737 truename = truename_random = truename_via_random_props (dpy, font);
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
738 if (truename && !valid_x_font_name_p (dpy, truename))
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
739 truename = 0;
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
740 if (!truename && name)
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
741 truename = truename_via_XListFonts (dpy, name);
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
742
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
743 if (!truename)
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
744 {
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
745 /* Gag - we weren't able to find a seemingly-valid truename.
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
746 Well, maybe we're on one of those braindead systems where
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
747 XListFonts() and XLoadFont() are in violent disagreement.
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
748 If we were able to compute a truename, try using that even
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
749 if evidence suggests that it's not a valid name - because
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
750 maybe it is, really, and that's better than nothing.
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
751 X Windows: You'll envy the dead.
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
752 */
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
753 if (truename_FONT)
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
754 truename = truename_FONT;
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
755 else if (truename_random)
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
756 truename = truename_random;
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
757 }
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
758
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
759 /* One or both of these are not being used - free them. */
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
760 if (truename_FONT && truename_FONT != truename)
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
761 XFree (truename_FONT);
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
762 if (truename_random && truename_random != truename)
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
763 XFree (truename_random);
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
764
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
765 if (truename)
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
766 {
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
767 Lisp_Object result = build_string (truename);
100
4be1180a9e89 Import from CVS: tag r20-1b2
cvs
parents: 80
diff changeset
768 XFree (truename);
0
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
769 return result;
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
770 }
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
771 else
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
772 return Qnil;
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
773 }
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
774
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
775 static Lisp_Object
398
74fd4e045ea6 Import from CVS: tag r21-2-29
cvs
parents: 380
diff changeset
776 x_font_instance_truename (Lisp_Font_Instance *f, Error_behavior errb)
0
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
777 {
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
778 struct device *d = XDEVICE (f->device);
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
779
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
780 if (NILP (FONT_INSTANCE_X_TRUENAME (f)))
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
781 {
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
782 Display *dpy = DEVICE_X_DISPLAY (d);
14
9ee227acff29 Import from CVS: tag r19-15b90
cvs
parents: 2
diff changeset
783 char *name = (char *) XSTRING_DATA (f->name);
0
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
784 {
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
785 FONT_INSTANCE_X_TRUENAME (f) =
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
786 x_font_truename (dpy, name, FONT_INSTANCE_X_FONT (f));
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
787 }
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
788 if (NILP (FONT_INSTANCE_X_TRUENAME (f)))
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
789 {
272
c5d627a313b1 Import from CVS: tag r21-0b34
cvs
parents: 269
diff changeset
790 Lisp_Object font_instance;
0
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
791 XSETFONT_INSTANCE (font_instance, f);
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
792
380
8626e4521993 Import from CVS: tag r21-2-5
cvs
parents: 371
diff changeset
793 maybe_signal_simple_error ("Couldn't determine font truename",
0
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
794 font_instance, Qfont, errb);
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
795 /* Ok, just this once, return the font name as the truename.
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
796 (This is only used by Fequal() right now.) */
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
797 return f->name;
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
798 }
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
799 }
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
800 return (FONT_INSTANCE_X_TRUENAME (f));
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
801 }
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
802
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
803 static Lisp_Object
398
74fd4e045ea6 Import from CVS: tag r21-2-29
cvs
parents: 380
diff changeset
804 x_font_instance_properties (Lisp_Font_Instance *f)
0
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
805 {
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
806 struct device *d = XDEVICE (f->device);
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
807 int i;
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
808 Lisp_Object result = Qnil;
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
809 XFontProp *props;
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
810 Display *dpy;
185
3d6bfa290dbd Import from CVS: tag r20-3b19
cvs
parents: 149
diff changeset
811
0
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
812 dpy = DEVICE_X_DISPLAY (d);
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
813 props = FONT_INSTANCE_X_FONT (f)->properties;
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
814 for (i = FONT_INSTANCE_X_FONT (f)->n_properties - 1; i >= 0; i--)
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
815 {
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
816 char *name_str = 0;
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
817 char *val_str = 0;
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
818 Lisp_Object name, value;
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
819 Atom atom = props [i].name;
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
820 name_str = XGetAtomName (dpy, atom);
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
821 name = (name_str ? intern (name_str) : Qnil);
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
822 if (name_str &&
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
823 (atom == XA_FONT ||
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
824 atom == DEVICE_XATOM_FOUNDRY (d) ||
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
825 atom == DEVICE_XATOM_FAMILY_NAME (d) ||
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
826 atom == DEVICE_XATOM_WEIGHT_NAME (d) ||
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
827 atom == DEVICE_XATOM_SLANT (d) ||
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
828 atom == DEVICE_XATOM_SETWIDTH_NAME (d) ||
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
829 atom == DEVICE_XATOM_ADD_STYLE_NAME (d) ||
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
830 atom == DEVICE_XATOM_SPACING (d) ||
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
831 atom == DEVICE_XATOM_CHARSET_REGISTRY (d) ||
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
832 atom == DEVICE_XATOM_CHARSET_ENCODING (d) ||
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
833 !strcmp (name_str, "CHARSET_COLLECTIONS") ||
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
834 !strcmp (name_str, "FONTNAME_REGISTRY") ||
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
835 !strcmp (name_str, "CLASSIFICATION") ||
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
836 !strcmp (name_str, "COPYRIGHT") ||
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
837 !strcmp (name_str, "DEVICE_FONT_NAME") ||
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
838 !strcmp (name_str, "FULL_NAME") ||
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
839 !strcmp (name_str, "MONOSPACED") ||
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
840 !strcmp (name_str, "QUALITY") ||
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
841 !strcmp (name_str, "RELATIVE_SET") ||
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
842 !strcmp (name_str, "RELATIVE_WEIGHT") ||
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
843 !strcmp (name_str, "STYLE")))
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
844 {
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
845 val_str = XGetAtomName (dpy, props [i].card32);
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
846 value = (val_str ? build_string (val_str) : Qnil);
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
847 }
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
848 else
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
849 value = make_int (props [i].card32);
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
850 if (name_str) XFree (name_str);
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
851 result = Fcons (Fcons (name, value), result);
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
852 }
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
853 return result;
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
854 }
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
855
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
856 static Lisp_Object
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
857 x_list_fonts (Lisp_Object pattern, Lisp_Object device)
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
858 {
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
859 char **names;
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
860 int count = 0;
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
861 Lisp_Object result = Qnil;
398
74fd4e045ea6 Import from CVS: tag r21-2-29
cvs
parents: 380
diff changeset
862 const char *patternext;
0
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
863
398
74fd4e045ea6 Import from CVS: tag r21-2-29
cvs
parents: 380
diff changeset
864 TO_EXTERNAL_FORMAT (LISP_STRING, pattern,
74fd4e045ea6 Import from CVS: tag r21-2-29
cvs
parents: 380
diff changeset
865 C_STRING_ALLOCA, patternext,
74fd4e045ea6 Import from CVS: tag r21-2-29
cvs
parents: 380
diff changeset
866 Qbinary);
185
3d6bfa290dbd Import from CVS: tag r20-3b19
cvs
parents: 149
diff changeset
867
0
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
868 names = XListFonts (DEVICE_X_DISPLAY (XDEVICE (device)),
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
869 patternext, MAX_FONT_COUNT, &count);
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
870 while (count--)
398
74fd4e045ea6 Import from CVS: tag r21-2-29
cvs
parents: 380
diff changeset
871 result = Fcons (build_ext_string (names [count], Qbinary), result);
0
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
872 if (names)
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
873 XFreeFontNames (names);
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
874 return result;
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
875 }
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
876
70
131b0175ea99 Import from CVS: tag r20-0b30
cvs
parents: 14
diff changeset
877 #ifdef MULE
131b0175ea99 Import from CVS: tag r20-0b30
cvs
parents: 14
diff changeset
878
131b0175ea99 Import from CVS: tag r20-0b30
cvs
parents: 14
diff changeset
879 static int
131b0175ea99 Import from CVS: tag r20-0b30
cvs
parents: 14
diff changeset
880 x_font_spec_matches_charset (struct device *d, Lisp_Object charset,
398
74fd4e045ea6 Import from CVS: tag r21-2-29
cvs
parents: 380
diff changeset
881 const Bufbyte *nonreloc, Lisp_Object reloc,
70
131b0175ea99 Import from CVS: tag r20-0b30
cvs
parents: 14
diff changeset
882 Bytecount offset, Bytecount length)
131b0175ea99 Import from CVS: tag r20-0b30
cvs
parents: 14
diff changeset
883 {
131b0175ea99 Import from CVS: tag r20-0b30
cvs
parents: 14
diff changeset
884 if (UNBOUNDP (charset))
131b0175ea99 Import from CVS: tag r20-0b30
cvs
parents: 14
diff changeset
885 return 1;
131b0175ea99 Import from CVS: tag r20-0b30
cvs
parents: 14
diff changeset
886 /* Hack! Short font names don't have the registry in them,
131b0175ea99 Import from CVS: tag r20-0b30
cvs
parents: 14
diff changeset
887 so we just assume the user knows what they're doing in the
131b0175ea99 Import from CVS: tag r20-0b30
cvs
parents: 14
diff changeset
888 case of ASCII. For other charsets, you gotta give the
131b0175ea99 Import from CVS: tag r20-0b30
cvs
parents: 14
diff changeset
889 long form; sorry buster.
131b0175ea99 Import from CVS: tag r20-0b30
cvs
parents: 14
diff changeset
890 */
131b0175ea99 Import from CVS: tag r20-0b30
cvs
parents: 14
diff changeset
891 if (EQ (charset, Vcharset_ascii))
131b0175ea99 Import from CVS: tag r20-0b30
cvs
parents: 14
diff changeset
892 {
398
74fd4e045ea6 Import from CVS: tag r21-2-29
cvs
parents: 380
diff changeset
893 const Bufbyte *the_nonreloc = nonreloc;
70
131b0175ea99 Import from CVS: tag r20-0b30
cvs
parents: 14
diff changeset
894 int i;
131b0175ea99 Import from CVS: tag r20-0b30
cvs
parents: 14
diff changeset
895 Bytecount the_length = length;
185
3d6bfa290dbd Import from CVS: tag r20-3b19
cvs
parents: 149
diff changeset
896
70
131b0175ea99 Import from CVS: tag r20-0b30
cvs
parents: 14
diff changeset
897 if (!the_nonreloc)
131b0175ea99 Import from CVS: tag r20-0b30
cvs
parents: 14
diff changeset
898 the_nonreloc = XSTRING_DATA (reloc);
131b0175ea99 Import from CVS: tag r20-0b30
cvs
parents: 14
diff changeset
899 fixup_internal_substring (nonreloc, reloc, offset, &the_length);
131b0175ea99 Import from CVS: tag r20-0b30
cvs
parents: 14
diff changeset
900 the_nonreloc += offset;
131b0175ea99 Import from CVS: tag r20-0b30
cvs
parents: 14
diff changeset
901 if (!memchr (the_nonreloc, '*', the_length))
131b0175ea99 Import from CVS: tag r20-0b30
cvs
parents: 14
diff changeset
902 {
131b0175ea99 Import from CVS: tag r20-0b30
cvs
parents: 14
diff changeset
903 for (i = 0;; i++)
131b0175ea99 Import from CVS: tag r20-0b30
cvs
parents: 14
diff changeset
904 {
398
74fd4e045ea6 Import from CVS: tag r21-2-29
cvs
parents: 380
diff changeset
905 const Bufbyte *new_nonreloc = (const Bufbyte *)
70
131b0175ea99 Import from CVS: tag r20-0b30
cvs
parents: 14
diff changeset
906 memchr (the_nonreloc, '-', the_length);
131b0175ea99 Import from CVS: tag r20-0b30
cvs
parents: 14
diff changeset
907 if (!new_nonreloc)
131b0175ea99 Import from CVS: tag r20-0b30
cvs
parents: 14
diff changeset
908 break;
131b0175ea99 Import from CVS: tag r20-0b30
cvs
parents: 14
diff changeset
909 new_nonreloc++;
131b0175ea99 Import from CVS: tag r20-0b30
cvs
parents: 14
diff changeset
910 the_length -= new_nonreloc - the_nonreloc;
131b0175ea99 Import from CVS: tag r20-0b30
cvs
parents: 14
diff changeset
911 the_nonreloc = new_nonreloc;
131b0175ea99 Import from CVS: tag r20-0b30
cvs
parents: 14
diff changeset
912 }
185
3d6bfa290dbd Import from CVS: tag r20-3b19
cvs
parents: 149
diff changeset
913
70
131b0175ea99 Import from CVS: tag r20-0b30
cvs
parents: 14
diff changeset
914 /* If it has less than 5 dashes, it's a short font.
131b0175ea99 Import from CVS: tag r20-0b30
cvs
parents: 14
diff changeset
915 Of course, long fonts always have 14 dashes or so, but short
131b0175ea99 Import from CVS: tag r20-0b30
cvs
parents: 14
diff changeset
916 fonts never have more than 1 or 2 dashes, so this is some
131b0175ea99 Import from CVS: tag r20-0b30
cvs
parents: 14
diff changeset
917 sort of reasonable heuristic. */
131b0175ea99 Import from CVS: tag r20-0b30
cvs
parents: 14
diff changeset
918 if (i < 5)
131b0175ea99 Import from CVS: tag r20-0b30
cvs
parents: 14
diff changeset
919 return 1;
131b0175ea99 Import from CVS: tag r20-0b30
cvs
parents: 14
diff changeset
920 }
131b0175ea99 Import from CVS: tag r20-0b30
cvs
parents: 14
diff changeset
921 }
185
3d6bfa290dbd Import from CVS: tag r20-3b19
cvs
parents: 149
diff changeset
922
70
131b0175ea99 Import from CVS: tag r20-0b30
cvs
parents: 14
diff changeset
923 return (fast_string_match (XCHARSET_REGISTRY (charset),
131b0175ea99 Import from CVS: tag r20-0b30
cvs
parents: 14
diff changeset
924 nonreloc, reloc, offset, length, 1,
131b0175ea99 Import from CVS: tag r20-0b30
cvs
parents: 14
diff changeset
925 ERROR_ME, 0) >= 0);
131b0175ea99 Import from CVS: tag r20-0b30
cvs
parents: 14
diff changeset
926 }
131b0175ea99 Import from CVS: tag r20-0b30
cvs
parents: 14
diff changeset
927
131b0175ea99 Import from CVS: tag r20-0b30
cvs
parents: 14
diff changeset
928 /* find a font spec that matches font spec FONT and also matches
131b0175ea99 Import from CVS: tag r20-0b30
cvs
parents: 14
diff changeset
929 (the registry of) CHARSET. */
131b0175ea99 Import from CVS: tag r20-0b30
cvs
parents: 14
diff changeset
930 static Lisp_Object
272
c5d627a313b1 Import from CVS: tag r21-0b34
cvs
parents: 269
diff changeset
931 x_find_charset_font (Lisp_Object device, Lisp_Object font, Lisp_Object charset)
70
131b0175ea99 Import from CVS: tag r20-0b30
cvs
parents: 14
diff changeset
932 {
131b0175ea99 Import from CVS: tag r20-0b30
cvs
parents: 14
diff changeset
933 char **names;
131b0175ea99 Import from CVS: tag r20-0b30
cvs
parents: 14
diff changeset
934 int count = 0;
131b0175ea99 Import from CVS: tag r20-0b30
cvs
parents: 14
diff changeset
935 Lisp_Object result = Qnil;
398
74fd4e045ea6 Import from CVS: tag r21-2-29
cvs
parents: 380
diff changeset
936 const char *patternext;
70
131b0175ea99 Import from CVS: tag r20-0b30
cvs
parents: 14
diff changeset
937 int i;
131b0175ea99 Import from CVS: tag r20-0b30
cvs
parents: 14
diff changeset
938
398
74fd4e045ea6 Import from CVS: tag r21-2-29
cvs
parents: 380
diff changeset
939 TO_EXTERNAL_FORMAT (LISP_STRING, font,
74fd4e045ea6 Import from CVS: tag r21-2-29
cvs
parents: 380
diff changeset
940 C_STRING_ALLOCA, patternext,
74fd4e045ea6 Import from CVS: tag r21-2-29
cvs
parents: 380
diff changeset
941 Qbinary);
185
3d6bfa290dbd Import from CVS: tag r20-3b19
cvs
parents: 149
diff changeset
942
70
131b0175ea99 Import from CVS: tag r20-0b30
cvs
parents: 14
diff changeset
943 names = XListFonts (DEVICE_X_DISPLAY (XDEVICE (device)),
131b0175ea99 Import from CVS: tag r20-0b30
cvs
parents: 14
diff changeset
944 patternext, MAX_FONT_COUNT, &count);
398
74fd4e045ea6 Import from CVS: tag r21-2-29
cvs
parents: 380
diff changeset
945 /* #### This code seems awfully bogus -- mrb */
70
131b0175ea99 Import from CVS: tag r20-0b30
cvs
parents: 14
diff changeset
946 for (i = 0; i < count; i ++)
131b0175ea99 Import from CVS: tag r20-0b30
cvs
parents: 14
diff changeset
947 {
398
74fd4e045ea6 Import from CVS: tag r21-2-29
cvs
parents: 380
diff changeset
948 const char *intname;
70
131b0175ea99 Import from CVS: tag r20-0b30
cvs
parents: 14
diff changeset
949
398
74fd4e045ea6 Import from CVS: tag r21-2-29
cvs
parents: 380
diff changeset
950 TO_INTERNAL_FORMAT (C_STRING, names[i],
74fd4e045ea6 Import from CVS: tag r21-2-29
cvs
parents: 380
diff changeset
951 C_STRING_ALLOCA, intname,
74fd4e045ea6 Import from CVS: tag r21-2-29
cvs
parents: 380
diff changeset
952 Qbinary);
70
131b0175ea99 Import from CVS: tag r20-0b30
cvs
parents: 14
diff changeset
953 if (x_font_spec_matches_charset (XDEVICE (device), charset,
398
74fd4e045ea6 Import from CVS: tag r21-2-29
cvs
parents: 380
diff changeset
954 (Bufbyte *) intname, Qnil, 0, -1))
70
131b0175ea99 Import from CVS: tag r20-0b30
cvs
parents: 14
diff changeset
955 {
398
74fd4e045ea6 Import from CVS: tag r21-2-29
cvs
parents: 380
diff changeset
956 result = build_string (intname);
70
131b0175ea99 Import from CVS: tag r20-0b30
cvs
parents: 14
diff changeset
957 break;
131b0175ea99 Import from CVS: tag r20-0b30
cvs
parents: 14
diff changeset
958 }
131b0175ea99 Import from CVS: tag r20-0b30
cvs
parents: 14
diff changeset
959 }
131b0175ea99 Import from CVS: tag r20-0b30
cvs
parents: 14
diff changeset
960
131b0175ea99 Import from CVS: tag r20-0b30
cvs
parents: 14
diff changeset
961 if (names)
131b0175ea99 Import from CVS: tag r20-0b30
cvs
parents: 14
diff changeset
962 XFreeFontNames (names);
131b0175ea99 Import from CVS: tag r20-0b30
cvs
parents: 14
diff changeset
963
131b0175ea99 Import from CVS: tag r20-0b30
cvs
parents: 14
diff changeset
964 /* Check for a short font name. */
131b0175ea99 Import from CVS: tag r20-0b30
cvs
parents: 14
diff changeset
965 if (NILP (result)
131b0175ea99 Import from CVS: tag r20-0b30
cvs
parents: 14
diff changeset
966 && x_font_spec_matches_charset (XDEVICE (device), charset, 0,
131b0175ea99 Import from CVS: tag r20-0b30
cvs
parents: 14
diff changeset
967 font, 0, -1))
131b0175ea99 Import from CVS: tag r20-0b30
cvs
parents: 14
diff changeset
968 return font;
131b0175ea99 Import from CVS: tag r20-0b30
cvs
parents: 14
diff changeset
969
131b0175ea99 Import from CVS: tag r20-0b30
cvs
parents: 14
diff changeset
970 return result;
131b0175ea99 Import from CVS: tag r20-0b30
cvs
parents: 14
diff changeset
971 }
131b0175ea99 Import from CVS: tag r20-0b30
cvs
parents: 14
diff changeset
972
131b0175ea99 Import from CVS: tag r20-0b30
cvs
parents: 14
diff changeset
973 #endif /* MULE */
131b0175ea99 Import from CVS: tag r20-0b30
cvs
parents: 14
diff changeset
974
0
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
975
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
976 /************************************************************************/
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
977 /* initialization */
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
978 /************************************************************************/
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
979
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
980 void
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
981 syms_of_objects_x (void)
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
982 {
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
983 }
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
984
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
985 void
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
986 console_type_create_objects_x (void)
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
987 {
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
988 /* object methods */
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
989
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
990 CONSOLE_HAS_METHOD (x, initialize_color_instance);
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
991 CONSOLE_HAS_METHOD (x, print_color_instance);
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
992 CONSOLE_HAS_METHOD (x, finalize_color_instance);
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
993 CONSOLE_HAS_METHOD (x, color_instance_equal);
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
994 CONSOLE_HAS_METHOD (x, color_instance_hash);
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
995 CONSOLE_HAS_METHOD (x, color_instance_rgb_components);
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
996 CONSOLE_HAS_METHOD (x, valid_color_name_p);
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
997
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
998 CONSOLE_HAS_METHOD (x, initialize_font_instance);
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
999 CONSOLE_HAS_METHOD (x, mark_font_instance);
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1000 CONSOLE_HAS_METHOD (x, print_font_instance);
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1001 CONSOLE_HAS_METHOD (x, finalize_font_instance);
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1002 CONSOLE_HAS_METHOD (x, font_instance_truename);
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1003 CONSOLE_HAS_METHOD (x, font_instance_properties);
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1004 CONSOLE_HAS_METHOD (x, list_fonts);
70
131b0175ea99 Import from CVS: tag r20-0b30
cvs
parents: 14
diff changeset
1005 #ifdef MULE
131b0175ea99 Import from CVS: tag r20-0b30
cvs
parents: 14
diff changeset
1006 CONSOLE_HAS_METHOD (x, find_charset_font);
131b0175ea99 Import from CVS: tag r20-0b30
cvs
parents: 14
diff changeset
1007 CONSOLE_HAS_METHOD (x, font_spec_matches_charset);
131b0175ea99 Import from CVS: tag r20-0b30
cvs
parents: 14
diff changeset
1008 #endif
0
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1009 }
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1010
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1011 void
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1012 vars_of_objects_x (void)
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1013 {
272
c5d627a313b1 Import from CVS: tag r21-0b34
cvs
parents: 269
diff changeset
1014 DEFVAR_BOOL ("x-handle-non-fully-specified-fonts",
c5d627a313b1 Import from CVS: tag r21-0b34
cvs
parents: 269
diff changeset
1015 &x_handle_non_fully_specified_fonts /*
0
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1016 If this is true then fonts which do not have all characters specified
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1017 will be considered to be proportional width even if they are actually
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1018 fixed-width. If this is not done then characters which are supposed to
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1019 have 0 width may appear to actually have some width.
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1020
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1021 Note: While setting this to t guarantees correct output in all
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1022 circumstances, it also causes a noticeable performance hit when using
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1023 fixed-width fonts. Since most people don't use characters which could
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1024 cause problems this is set to nil by default.
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1025 */ );
272
c5d627a313b1 Import from CVS: tag r21-0b34
cvs
parents: 269
diff changeset
1026 x_handle_non_fully_specified_fonts = 0;
0
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1027 }
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1028
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1029 void
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1030 Xatoms_of_objects_x (struct device *d)
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1031 {
149
538048ae2ab8 Import from CVS: tag r20-3b1
cvs
parents: 100
diff changeset
1032 Display *D = DEVICE_X_DISPLAY (d);
185
3d6bfa290dbd Import from CVS: tag r20-3b19
cvs
parents: 149
diff changeset
1033
149
538048ae2ab8 Import from CVS: tag r20-3b1
cvs
parents: 100
diff changeset
1034 DEVICE_XATOM_FOUNDRY (d) = XInternAtom (D, "FOUNDRY", False);
538048ae2ab8 Import from CVS: tag r20-3b1
cvs
parents: 100
diff changeset
1035 DEVICE_XATOM_FAMILY_NAME (d) = XInternAtom (D, "FAMILY_NAME", False);
538048ae2ab8 Import from CVS: tag r20-3b1
cvs
parents: 100
diff changeset
1036 DEVICE_XATOM_WEIGHT_NAME (d) = XInternAtom (D, "WEIGHT_NAME", False);
538048ae2ab8 Import from CVS: tag r20-3b1
cvs
parents: 100
diff changeset
1037 DEVICE_XATOM_SLANT (d) = XInternAtom (D, "SLANT", False);
538048ae2ab8 Import from CVS: tag r20-3b1
cvs
parents: 100
diff changeset
1038 DEVICE_XATOM_SETWIDTH_NAME (d) = XInternAtom (D, "SETWIDTH_NAME", False);
538048ae2ab8 Import from CVS: tag r20-3b1
cvs
parents: 100
diff changeset
1039 DEVICE_XATOM_ADD_STYLE_NAME (d) = XInternAtom (D, "ADD_STYLE_NAME", False);
538048ae2ab8 Import from CVS: tag r20-3b1
cvs
parents: 100
diff changeset
1040 DEVICE_XATOM_PIXEL_SIZE (d) = XInternAtom (D, "PIXEL_SIZE", False);
538048ae2ab8 Import from CVS: tag r20-3b1
cvs
parents: 100
diff changeset
1041 DEVICE_XATOM_POINT_SIZE (d) = XInternAtom (D, "POINT_SIZE", False);
538048ae2ab8 Import from CVS: tag r20-3b1
cvs
parents: 100
diff changeset
1042 DEVICE_XATOM_RESOLUTION_X (d) = XInternAtom (D, "RESOLUTION_X", False);
538048ae2ab8 Import from CVS: tag r20-3b1
cvs
parents: 100
diff changeset
1043 DEVICE_XATOM_RESOLUTION_Y (d) = XInternAtom (D, "RESOLUTION_Y", False);
538048ae2ab8 Import from CVS: tag r20-3b1
cvs
parents: 100
diff changeset
1044 DEVICE_XATOM_SPACING (d) = XInternAtom (D, "SPACING", False);
538048ae2ab8 Import from CVS: tag r20-3b1
cvs
parents: 100
diff changeset
1045 DEVICE_XATOM_AVERAGE_WIDTH (d) = XInternAtom (D, "AVERAGE_WIDTH", False);
538048ae2ab8 Import from CVS: tag r20-3b1
cvs
parents: 100
diff changeset
1046 DEVICE_XATOM_CHARSET_REGISTRY(d) = XInternAtom (D, "CHARSET_REGISTRY",False);
538048ae2ab8 Import from CVS: tag r20-3b1
cvs
parents: 100
diff changeset
1047 DEVICE_XATOM_CHARSET_ENCODING(d) = XInternAtom (D, "CHARSET_ENCODING",False);
0
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1048 }