Commit | Line | Data |
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4ff155dd GM |
1 | /* Functions for handling font and other changes dynamically. |
2 | ||
acaf905b | 3 | Copyright (C) 2009-2012 Free Software Foundation, Inc. |
637fa988 JD |
4 | |
5 | This file is part of GNU Emacs. | |
6 | ||
7 | GNU Emacs is free software: you can redistribute it and/or modify | |
8 | it under the terms of the GNU General Public License as published by | |
9 | the Free Software Foundation, either version 3 of the License, or | |
10 | (at your option) any later version. | |
11 | ||
12 | GNU Emacs is distributed in the hope that it will be useful, | |
13 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
15 | GNU General Public License for more details. | |
16 | ||
17 | You should have received a copy of the GNU General Public License | |
18 | along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>. */ | |
19 | ||
08a494a3 | 20 | #include <config.h> |
aaafe47a PE |
21 | |
22 | #include <float.h> | |
210af043 | 23 | #include <limits.h> |
637fa988 JD |
24 | #include <setjmp.h> |
25 | #include <fcntl.h> | |
26 | #include "lisp.h" | |
27 | #include "xterm.h" | |
28 | #include "xsettings.h" | |
29 | #include "frame.h" | |
b87dd913 | 30 | #include "keyboard.h" |
637fa988 JD |
31 | #include "blockinput.h" |
32 | #include "termhooks.h" | |
33 | #include "termopts.h" | |
34 | ||
35 | #include <X11/Xproto.h> | |
36 | ||
9851bfc5 | 37 | #ifdef HAVE_GSETTINGS |
51bb811f JD |
38 | #include <glib-object.h> |
39 | #include <gio/gio.h> | |
869795d6 JD |
40 | #endif |
41 | ||
637fa988 JD |
42 | #ifdef HAVE_GCONF |
43 | #include <gconf/gconf-client.h> | |
44 | #endif | |
9851bfc5 | 45 | |
637fa988 JD |
46 | #ifdef HAVE_XFT |
47 | #include <X11/Xft/Xft.h> | |
48 | #endif | |
49 | ||
50 | static char *current_mono_font; | |
99852628 | 51 | static char *current_font; |
637fa988 | 52 | static struct x_display_info *first_dpyinfo; |
f904c0f9 JD |
53 | static Lisp_Object Qmonospace_font_name, Qfont_name, Qfont_render, |
54 | Qtool_bar_style; | |
f904c0f9 | 55 | static Lisp_Object current_tool_bar_style; |
637fa988 | 56 | |
869795d6 JD |
57 | /* Store an config changed event in to the event queue. */ |
58 | ||
637fa988 | 59 | static void |
971de7fb | 60 | store_config_changed_event (Lisp_Object arg, Lisp_Object display_name) |
637fa988 JD |
61 | { |
62 | struct input_event event; | |
63 | EVENT_INIT (event); | |
64 | event.kind = CONFIG_CHANGED_EVENT; | |
65 | event.frame_or_window = display_name; | |
66 | event.arg = arg; | |
67 | kbd_buffer_store_event (&event); | |
68 | } | |
69 | ||
869795d6 JD |
70 | /* Return non-zero if DPYINFO is still valid. */ |
71 | static int | |
72 | dpyinfo_valid (struct x_display_info *dpyinfo) | |
73 | { | |
74 | int found = 0; | |
75 | if (dpyinfo != NULL) | |
76 | { | |
77 | struct x_display_info *d; | |
78 | for (d = x_display_list; !found && d; d = d->next) | |
79 | found = d == dpyinfo && d->display == dpyinfo->display; | |
80 | } | |
81 | return found; | |
82 | } | |
83 | ||
84 | /* Store a monospace font change event if the monospaced font changed. */ | |
85 | ||
490011a6 | 86 | #if defined HAVE_XFT && (defined HAVE_GSETTINGS || defined HAVE_GCONF) |
9851bfc5 | 87 | static void |
0949d2b6 | 88 | store_monospaced_changed (const char *newfont) |
9851bfc5 | 89 | { |
0949d2b6 JD |
90 | if (current_mono_font != NULL && strcmp (newfont, current_mono_font) == 0) |
91 | return; /* No change. */ | |
92 | ||
93 | xfree (current_mono_font); | |
94 | current_mono_font = xstrdup (newfont); | |
95 | ||
869795d6 | 96 | if (dpyinfo_valid (first_dpyinfo) && use_system_font) |
9851bfc5 | 97 | { |
869795d6 JD |
98 | store_config_changed_event (Qmonospace_font_name, |
99 | XCAR (first_dpyinfo->name_list_element)); | |
9851bfc5 JD |
100 | } |
101 | } | |
490011a6 | 102 | #endif |
9851bfc5 | 103 | |
869795d6 | 104 | /* Store a font name change event if the font name changed. */ |
9851bfc5 | 105 | |
490011a6 | 106 | #ifdef HAVE_XFT |
869795d6 JD |
107 | static void |
108 | store_font_name_changed (const char *newfont) | |
109 | { | |
110 | if (current_font != NULL && strcmp (newfont, current_font) == 0) | |
111 | return; /* No change. */ | |
112 | ||
113 | xfree (current_font); | |
114 | current_font = xstrdup (newfont); | |
115 | ||
116 | if (dpyinfo_valid (first_dpyinfo)) | |
117 | { | |
118 | store_config_changed_event (Qfont_name, | |
119 | XCAR (first_dpyinfo->name_list_element)); | |
120 | } | |
121 | } | |
122 | #endif /* HAVE_XFT */ | |
123 | ||
da6062e6 | 124 | /* Map TOOL_BAR_STYLE from a string to its corresponding Lisp value. |
869795d6 JD |
125 | Return Qnil if TOOL_BAR_STYLE is not known. */ |
126 | ||
127 | static Lisp_Object | |
128 | map_tool_bar_style (const char *tool_bar_style) | |
129 | { | |
130 | Lisp_Object style = Qnil; | |
131 | if (tool_bar_style) | |
132 | { | |
133 | if (strcmp (tool_bar_style, "both") == 0) | |
134 | style = Qboth; | |
135 | else if (strcmp (tool_bar_style, "both-horiz") == 0) | |
136 | style = Qboth_horiz; | |
137 | else if (strcmp (tool_bar_style, "icons") == 0) | |
138 | style = Qimage; | |
139 | else if (strcmp (tool_bar_style, "text") == 0) | |
140 | style = Qtext; | |
141 | } | |
142 | ||
143 | return style; | |
144 | } | |
145 | ||
146 | /* Store a tool bar style change event if the tool bar style changed. */ | |
147 | ||
148 | static void | |
149 | store_tool_bar_style_changed (const char *newstyle, | |
150 | struct x_display_info *dpyinfo) | |
151 | { | |
152 | Lisp_Object style = map_tool_bar_style (newstyle); | |
153 | if (EQ (current_tool_bar_style, style)) | |
154 | return; /* No change. */ | |
155 | ||
156 | current_tool_bar_style = style; | |
157 | if (dpyinfo_valid (dpyinfo)) | |
158 | store_config_changed_event (Qtool_bar_style, | |
159 | XCAR (dpyinfo->name_list_element)); | |
160 | } | |
9851bfc5 | 161 | |
2014308a | 162 | #ifdef HAVE_XFT |
f904c0f9 | 163 | #define XSETTINGS_FONT_NAME "Gtk/FontName" |
2014308a | 164 | #endif |
f904c0f9 | 165 | #define XSETTINGS_TOOL_BAR_STYLE "Gtk/ToolbarStyle" |
0269ef77 | 166 | |
f904c0f9 JD |
167 | enum { |
168 | SEEN_AA = 0x01, | |
169 | SEEN_HINTING = 0x02, | |
170 | SEEN_RGBA = 0x04, | |
171 | SEEN_LCDFILTER = 0x08, | |
172 | SEEN_HINTSTYLE = 0x10, | |
173 | SEEN_DPI = 0x20, | |
174 | SEEN_FONT = 0x40, | |
175 | SEEN_TB_STYLE = 0x80, | |
176 | }; | |
af59aa6e | 177 | struct xsettings |
f904c0f9 JD |
178 | { |
179 | #ifdef HAVE_XFT | |
180 | FcBool aa, hinting; | |
181 | int rgba, lcdfilter, hintstyle; | |
182 | double dpi; | |
f904c0f9 JD |
183 | |
184 | char *font; | |
869795d6 JD |
185 | #endif |
186 | ||
f904c0f9 JD |
187 | char *tb_style; |
188 | ||
189 | unsigned seen; | |
190 | }; | |
191 | ||
9851bfc5 | 192 | #ifdef HAVE_GSETTINGS |
869795d6 JD |
193 | #define GSETTINGS_SCHEMA "org.gnome.desktop.interface" |
194 | #define GSETTINGS_TOOL_BAR_STYLE "toolbar-style" | |
195 | ||
196 | #ifdef HAVE_XFT | |
197 | #define GSETTINGS_MONO_FONT "monospace-font-name" | |
198 | #define GSETTINGS_FONT_NAME "font-name" | |
199 | #endif | |
200 | ||
201 | ||
202 | /* The single GSettings instance, or NULL if not connected to GSettings. */ | |
203 | ||
204 | static GSettings *gsettings_client; | |
205 | ||
206 | /* Callback called when something changed in GSettings. */ | |
31a01b90 | 207 | |
0949d2b6 | 208 | static void |
869795d6 JD |
209 | something_changed_gsettingsCB (GSettings *settings, |
210 | gchar *key, | |
211 | gpointer user_data) | |
0949d2b6 JD |
212 | { |
213 | GVariant *val; | |
869795d6 JD |
214 | |
215 | if (strcmp (key, GSETTINGS_TOOL_BAR_STYLE) == 0) | |
0949d2b6 | 216 | { |
869795d6 JD |
217 | val = g_settings_get_value (settings, GSETTINGS_TOOL_BAR_STYLE); |
218 | if (val) | |
0949d2b6 | 219 | { |
869795d6 JD |
220 | g_variant_ref_sink (val); |
221 | if (g_variant_is_of_type (val, G_VARIANT_TYPE_STRING)) | |
222 | { | |
223 | const gchar *newstyle = g_variant_get_string (val, NULL); | |
224 | store_tool_bar_style_changed (newstyle, first_dpyinfo); | |
225 | } | |
226 | g_variant_unref (val); | |
227 | } | |
228 | } | |
229 | #ifdef HAVE_XFT | |
230 | else if (strcmp (key, GSETTINGS_MONO_FONT) == 0) | |
231 | { | |
232 | val = g_settings_get_value (settings, GSETTINGS_MONO_FONT); | |
233 | if (val) | |
234 | { | |
235 | g_variant_ref_sink (val); | |
236 | if (g_variant_is_of_type (val, G_VARIANT_TYPE_STRING)) | |
237 | { | |
238 | const gchar *newfont = g_variant_get_string (val, NULL); | |
239 | store_monospaced_changed (newfont); | |
240 | } | |
241 | g_variant_unref (val); | |
0949d2b6 | 242 | } |
0949d2b6 | 243 | } |
869795d6 JD |
244 | else if (strcmp (key, GSETTINGS_FONT_NAME) == 0) |
245 | { | |
246 | val = g_settings_get_value (settings, GSETTINGS_FONT_NAME); | |
247 | if (val) | |
248 | { | |
249 | g_variant_ref_sink (val); | |
250 | if (g_variant_is_of_type (val, G_VARIANT_TYPE_STRING)) | |
251 | { | |
252 | const gchar *newfont = g_variant_get_string (val, NULL); | |
253 | store_font_name_changed (newfont); | |
254 | } | |
255 | g_variant_unref (val); | |
256 | } | |
257 | } | |
490011a6 | 258 | #endif /* HAVE_XFT */ |
0949d2b6 JD |
259 | } |
260 | ||
869795d6 | 261 | #endif /* HAVE_GSETTINGS */ |
2e13213d | 262 | |
869795d6 JD |
263 | #ifdef HAVE_GCONF |
264 | #define GCONF_TOOL_BAR_STYLE "/desktop/gnome/interface/toolbar_style" | |
2e13213d | 265 | #ifdef HAVE_XFT |
869795d6 JD |
266 | #define GCONF_MONO_FONT "/desktop/gnome/interface/monospace_font_name" |
267 | #define GCONF_FONT_NAME "/desktop/gnome/interface/font_name" | |
2e13213d | 268 | #endif |
31a01b90 | 269 | |
869795d6 JD |
270 | /* The single GConf instance, or NULL if not connected to GConf. */ |
271 | ||
272 | static GConfClient *gconf_client; | |
273 | ||
274 | /* Callback called when something changed in GConf that we care about. */ | |
637fa988 JD |
275 | |
276 | static void | |
869795d6 JD |
277 | something_changed_gconfCB (GConfClient *client, |
278 | guint cnxn_id, | |
279 | GConfEntry *entry, | |
280 | gpointer user_data) | |
637fa988 JD |
281 | { |
282 | GConfValue *v = gconf_entry_get_value (entry); | |
869795d6 | 283 | const char *key = gconf_entry_get_key (entry); |
af59aa6e | 284 | |
869795d6 JD |
285 | if (!v || v->type != GCONF_VALUE_STRING || ! key) return; |
286 | if (strcmp (key, GCONF_TOOL_BAR_STYLE) == 0) | |
287 | { | |
288 | const char *value = gconf_value_get_string (v); | |
289 | store_tool_bar_style_changed (value, first_dpyinfo); | |
290 | } | |
291 | #ifdef HAVE_XFT | |
292 | else if (strcmp (key, GCONF_MONO_FONT) == 0) | |
637fa988 JD |
293 | { |
294 | const char *value = gconf_value_get_string (v); | |
0949d2b6 | 295 | store_monospaced_changed (value); |
637fa988 | 296 | } |
869795d6 JD |
297 | else if (strcmp (key, GCONF_FONT_NAME) == 0) |
298 | { | |
299 | const char *value = gconf_value_get_string (v); | |
300 | store_font_name_changed (value); | |
301 | } | |
302 | #endif /* HAVE_XFT */ | |
637fa988 | 303 | } |
9851bfc5 | 304 | |
637fa988 JD |
305 | #endif /* HAVE_GCONF */ |
306 | ||
307 | #ifdef HAVE_XFT | |
308 | ||
21050de1 JD |
309 | /* Older fontconfig versions don't have FC_LCD_*. */ |
310 | #ifndef FC_LCD_NONE | |
311 | #define FC_LCD_NONE 0 | |
312 | #endif | |
313 | #ifndef FC_LCD_DEFAULT | |
314 | #define FC_LCD_DEFAULT 1 | |
315 | #endif | |
316 | #ifndef FC_LCD_FILTER | |
317 | #define FC_LCD_FILTER "lcdfilter" | |
318 | #endif | |
319 | ||
f904c0f9 JD |
320 | #endif /* HAVE_XFT */ |
321 | ||
637fa988 JD |
322 | /* Find the window that contains the XSETTINGS property values. */ |
323 | ||
324 | static void | |
971de7fb | 325 | get_prop_window (struct x_display_info *dpyinfo) |
637fa988 JD |
326 | { |
327 | Display *dpy = dpyinfo->display; | |
328 | ||
329 | XGrabServer (dpy); | |
330 | dpyinfo->xsettings_window = XGetSelectionOwner (dpy, | |
331 | dpyinfo->Xatom_xsettings_sel); | |
332 | if (dpyinfo->xsettings_window != None) | |
333 | /* Select events so we can detect if window is deleted or if settings | |
334 | are changed. */ | |
335 | XSelectInput (dpy, dpyinfo->xsettings_window, | |
336 | PropertyChangeMask|StructureNotifyMask); | |
337 | ||
338 | XUngrabServer (dpy); | |
339 | } | |
340 | ||
637fa988 JD |
341 | #define SWAP32(nr) (((nr) << 24) | (((nr) << 8) & 0xff0000) \ |
342 | | (((nr) >> 8) & 0xff00) | ((nr) >> 24)) | |
343 | #define SWAP16(nr) (((nr) << 8) | ((nr) >> 8)) | |
344 | #define PAD(nr) (((nr) + 3) & ~3) | |
345 | ||
346 | /* Parse xsettings and extract those that deal with Xft. | |
347 | See http://freedesktop.org/wiki/Specifications/XSettingsRegistry | |
348 | and http://standards.freedesktop.org/xsettings-spec/xsettings-spec-0.5.html. | |
349 | ||
350 | Layout of prop. First is a header: | |
351 | ||
352 | bytes type what | |
353 | ------------------------------------ | |
354 | 1 CARD8 byte-order | |
355 | 3 unused | |
356 | 4 CARD32 SERIAL | |
357 | 4 CARD32 N_SETTINGS | |
358 | ||
359 | Then N_SETTINGS records, with header: | |
360 | ||
361 | bytes type what | |
362 | ------------------------------------ | |
363 | 1 SETTING_TYPE type (0 = integer, 1 = string, 2 RGB color). | |
364 | 1 unused | |
365 | 2 CARD16 n == name-length | |
366 | n STRING8 name | |
367 | p unused, p=pad_to_even_4(n) | |
368 | 4 CARD32 last-change-serial | |
369 | ||
370 | and then the value, For string: | |
af59aa6e | 371 | |
637fa988 JD |
372 | bytes type what |
373 | ------------------------------------ | |
374 | 4 CARD32 n = value-length | |
375 | n STRING8 value | |
376 | p unused, p=pad_to_even_4(n) | |
377 | ||
378 | For integer: | |
379 | ||
380 | bytes type what | |
381 | ------------------------------------ | |
382 | 4 INT32 value | |
383 | ||
384 | For RGB color: | |
385 | ||
386 | bytes type what | |
387 | ------------------------------------ | |
388 | 2 CARD16 red | |
389 | 2 CARD16 blue | |
390 | 2 CARD16 green | |
391 | 2 CARD16 alpha | |
392 | ||
3c055b77 | 393 | Returns non-zero if some Xft settings was seen, zero otherwise. |
637fa988 JD |
394 | */ |
395 | ||
396 | static int | |
e4c8d29a J |
397 | parse_settings (unsigned char *prop, |
398 | long unsigned int bytes, | |
399 | struct xsettings *settings) | |
637fa988 JD |
400 | { |
401 | Lisp_Object byteorder = Fbyteorder (); | |
402 | int my_bo = XFASTINT (byteorder) == 'B' ? MSBFirst : LSBFirst; | |
403 | int that_bo = prop[0]; | |
404 | CARD32 n_settings; | |
405 | int bytes_parsed = 0; | |
406 | int settings_seen = 0; | |
407 | int i = 0; | |
408 | ||
409 | /* First 4 bytes is a serial number, skip that. */ | |
410 | ||
411 | if (bytes < 12) return BadLength; | |
412 | memcpy (&n_settings, prop+8, 4); | |
413 | if (my_bo != that_bo) n_settings = SWAP32 (n_settings); | |
414 | bytes_parsed = 12; | |
415 | ||
416 | memset (settings, 0, sizeof (*settings)); | |
417 | ||
99852628 | 418 | while (bytes_parsed+4 < bytes && settings_seen < 7 |
637fa988 JD |
419 | && i < n_settings) |
420 | { | |
421 | int type = prop[bytes_parsed++]; | |
422 | CARD16 nlen; | |
423 | CARD32 vlen, ival = 0; | |
424 | char name[128]; /* The names we are looking for are not this long. */ | |
425 | char sval[128]; /* The values we are looking for are not this long. */ | |
99852628 | 426 | int want_this; |
637fa988 JD |
427 | int to_cpy; |
428 | ||
429 | sval[0] = '\0'; | |
430 | ++i; | |
431 | ++bytes_parsed; /* Padding */ | |
432 | ||
433 | memcpy (&nlen, prop+bytes_parsed, 2); | |
434 | bytes_parsed += 2; | |
435 | if (my_bo != that_bo) nlen = SWAP16 (nlen); | |
436 | if (bytes_parsed+nlen > bytes) return BadLength; | |
437 | to_cpy = nlen > 127 ? 127 : nlen; | |
438 | memcpy (name, prop+bytes_parsed, to_cpy); | |
439 | name[to_cpy] = '\0'; | |
440 | ||
441 | bytes_parsed += nlen; | |
442 | bytes_parsed = PAD (bytes_parsed); | |
443 | ||
444 | bytes_parsed += 4; /* Skip serial for this value */ | |
445 | if (bytes_parsed > bytes) return BadLength; | |
446 | ||
490011a6 | 447 | want_this = |
f904c0f9 JD |
448 | #ifdef HAVE_XFT |
449 | (nlen > 6 && strncmp (name, "Xft/", 4) == 0) | |
869795d6 | 450 | || strcmp (XSETTINGS_FONT_NAME, name) == 0 |
f904c0f9 JD |
451 | || |
452 | #endif | |
869795d6 | 453 | strcmp (XSETTINGS_TOOL_BAR_STYLE, name) == 0; |
490011a6 | 454 | |
af59aa6e | 455 | switch (type) |
637fa988 JD |
456 | { |
457 | case 0: /* Integer */ | |
458 | if (bytes_parsed+4 > bytes) return BadLength; | |
99852628 | 459 | if (want_this) |
637fa988 JD |
460 | { |
461 | memcpy (&ival, prop+bytes_parsed, 4); | |
462 | if (my_bo != that_bo) ival = SWAP32 (ival); | |
463 | } | |
464 | bytes_parsed += 4; | |
465 | break; | |
466 | ||
467 | case 1: /* String */ | |
468 | if (bytes_parsed+4 > bytes) return BadLength; | |
469 | memcpy (&vlen, prop+bytes_parsed, 4); | |
470 | bytes_parsed += 4; | |
471 | if (my_bo != that_bo) vlen = SWAP32 (vlen); | |
99852628 | 472 | if (want_this) |
637fa988 JD |
473 | { |
474 | to_cpy = vlen > 127 ? 127 : vlen; | |
475 | memcpy (sval, prop+bytes_parsed, to_cpy); | |
476 | sval[to_cpy] = '\0'; | |
477 | } | |
478 | bytes_parsed += vlen; | |
479 | bytes_parsed = PAD (bytes_parsed); | |
480 | break; | |
481 | ||
482 | case 2: /* RGB value */ | |
483 | /* No need to parse this */ | |
484 | if (bytes_parsed+8 > bytes) return BadLength; | |
af59aa6e | 485 | bytes_parsed += 8; /* 4 values (r, b, g, alpha), 2 bytes each. */ |
637fa988 JD |
486 | break; |
487 | ||
488 | default: /* Parse Error */ | |
489 | return BadValue; | |
490 | } | |
491 | ||
af59aa6e | 492 | if (want_this) |
637fa988 JD |
493 | { |
494 | ++settings_seen; | |
869795d6 | 495 | if (strcmp (name, XSETTINGS_TOOL_BAR_STYLE) == 0) |
f904c0f9 JD |
496 | { |
497 | settings->tb_style = xstrdup (sval); | |
498 | settings->seen |= SEEN_TB_STYLE; | |
499 | } | |
500 | #ifdef HAVE_XFT | |
869795d6 JD |
501 | else if (strcmp (name, XSETTINGS_FONT_NAME) == 0) |
502 | { | |
503 | settings->font = xstrdup (sval); | |
504 | settings->seen |= SEEN_FONT; | |
505 | } | |
f904c0f9 | 506 | else if (strcmp (name, "Xft/Antialias") == 0) |
3c055b77 JD |
507 | { |
508 | settings->seen |= SEEN_AA; | |
509 | settings->aa = ival != 0; | |
510 | } | |
637fa988 | 511 | else if (strcmp (name, "Xft/Hinting") == 0) |
3c055b77 JD |
512 | { |
513 | settings->seen |= SEEN_HINTING; | |
514 | settings->hinting = ival != 0; | |
515 | } | |
af59aa6e | 516 | # ifdef FC_HINT_STYLE |
637fa988 JD |
517 | else if (strcmp (name, "Xft/HintStyle") == 0) |
518 | { | |
3c055b77 | 519 | settings->seen |= SEEN_HINTSTYLE; |
637fa988 JD |
520 | if (strcmp (sval, "hintnone") == 0) |
521 | settings->hintstyle = FC_HINT_NONE; | |
522 | else if (strcmp (sval, "hintslight") == 0) | |
523 | settings->hintstyle = FC_HINT_SLIGHT; | |
524 | else if (strcmp (sval, "hintmedium") == 0) | |
525 | settings->hintstyle = FC_HINT_MEDIUM; | |
526 | else if (strcmp (sval, "hintfull") == 0) | |
527 | settings->hintstyle = FC_HINT_FULL; | |
3c055b77 JD |
528 | else |
529 | settings->seen &= ~SEEN_HINTSTYLE; | |
637fa988 | 530 | } |
af59aa6e | 531 | # endif |
637fa988 JD |
532 | else if (strcmp (name, "Xft/RGBA") == 0) |
533 | { | |
3c055b77 | 534 | settings->seen |= SEEN_RGBA; |
637fa988 JD |
535 | if (strcmp (sval, "none") == 0) |
536 | settings->rgba = FC_RGBA_NONE; | |
537 | else if (strcmp (sval, "rgb") == 0) | |
538 | settings->rgba = FC_RGBA_RGB; | |
539 | else if (strcmp (sval, "bgr") == 0) | |
540 | settings->rgba = FC_RGBA_BGR; | |
541 | else if (strcmp (sval, "vrgb") == 0) | |
542 | settings->rgba = FC_RGBA_VRGB; | |
543 | else if (strcmp (sval, "vbgr") == 0) | |
544 | settings->rgba = FC_RGBA_VBGR; | |
3c055b77 JD |
545 | else |
546 | settings->seen &= ~SEEN_RGBA; | |
637fa988 JD |
547 | } |
548 | else if (strcmp (name, "Xft/DPI") == 0) | |
3c055b77 JD |
549 | { |
550 | settings->seen |= SEEN_DPI; | |
551 | settings->dpi = (double)ival/1024.0; | |
552 | } | |
637fa988 JD |
553 | else if (strcmp (name, "Xft/lcdfilter") == 0) |
554 | { | |
3c055b77 | 555 | settings->seen |= SEEN_LCDFILTER; |
637fa988 JD |
556 | if (strcmp (sval, "none") == 0) |
557 | settings->lcdfilter = FC_LCD_NONE; | |
558 | else if (strcmp (sval, "lcddefault") == 0) | |
559 | settings->lcdfilter = FC_LCD_DEFAULT; | |
3c055b77 JD |
560 | else |
561 | settings->seen &= ~SEEN_LCDFILTER; | |
637fa988 | 562 | } |
f904c0f9 | 563 | #endif /* HAVE_XFT */ |
637fa988 JD |
564 | } |
565 | } | |
566 | ||
3c055b77 | 567 | return settings_seen; |
637fa988 JD |
568 | } |
569 | ||
869795d6 JD |
570 | /* Read settings from the XSettings property window on display for DPYINFO. |
571 | Store settings read in SETTINGS. | |
572 | Return non-zero if successful, zero if not. */ | |
573 | ||
637fa988 | 574 | static int |
971de7fb | 575 | read_settings (struct x_display_info *dpyinfo, struct xsettings *settings) |
637fa988 | 576 | { |
637fa988 JD |
577 | Atom act_type; |
578 | int act_form; | |
579 | unsigned long nitems, bytes_after; | |
580 | unsigned char *prop = NULL; | |
581 | Display *dpy = dpyinfo->display; | |
582 | int rc; | |
583 | ||
584 | x_catch_errors (dpy); | |
585 | rc = XGetWindowProperty (dpy, | |
586 | dpyinfo->xsettings_window, | |
587 | dpyinfo->Xatom_xsettings_prop, | |
588 | 0, LONG_MAX, False, AnyPropertyType, | |
589 | &act_type, &act_form, &nitems, &bytes_after, | |
590 | &prop); | |
591 | ||
592 | if (rc == Success && prop != NULL && act_form == 8 && nitems > 0 | |
593 | && act_type == dpyinfo->Xatom_xsettings_prop) | |
f904c0f9 | 594 | rc = parse_settings (prop, nitems, settings); |
637fa988 JD |
595 | |
596 | XFree (prop); | |
597 | ||
598 | x_uncatch_errors (); | |
599 | ||
3c055b77 | 600 | return rc != 0; |
637fa988 JD |
601 | } |
602 | ||
869795d6 JD |
603 | /* Apply Xft settings in SETTINGS to the Xft library. |
604 | If SEND_EVENT_P is non-zero store a Lisp event that Xft settings changed. */ | |
581e51e8 | 605 | |
637fa988 | 606 | static void |
e4c8d29a J |
607 | apply_xft_settings (struct x_display_info *dpyinfo, |
608 | int send_event_p, | |
609 | struct xsettings *settings) | |
637fa988 | 610 | { |
f904c0f9 | 611 | #ifdef HAVE_XFT |
637fa988 | 612 | FcPattern *pat; |
f904c0f9 | 613 | struct xsettings oldsettings; |
637fa988 JD |
614 | int changed = 0; |
615 | ||
637fa988 | 616 | memset (&oldsettings, 0, sizeof (oldsettings)); |
637fa988 JD |
617 | pat = FcPatternCreate (); |
618 | XftDefaultSubstitute (dpyinfo->display, | |
619 | XScreenNumberOfScreen (dpyinfo->screen), | |
620 | pat); | |
621 | FcPatternGetBool (pat, FC_ANTIALIAS, 0, &oldsettings.aa); | |
622 | FcPatternGetBool (pat, FC_HINTING, 0, &oldsettings.hinting); | |
869795d6 | 623 | #ifdef FC_HINT_STYLE |
637fa988 | 624 | FcPatternGetInteger (pat, FC_HINT_STYLE, 0, &oldsettings.hintstyle); |
869795d6 | 625 | #endif |
637fa988 JD |
626 | FcPatternGetInteger (pat, FC_LCD_FILTER, 0, &oldsettings.lcdfilter); |
627 | FcPatternGetInteger (pat, FC_RGBA, 0, &oldsettings.rgba); | |
628 | FcPatternGetDouble (pat, FC_DPI, 0, &oldsettings.dpi); | |
629 | ||
f904c0f9 | 630 | if ((settings->seen & SEEN_AA) != 0 && oldsettings.aa != settings->aa) |
637fa988 JD |
631 | { |
632 | FcPatternDel (pat, FC_ANTIALIAS); | |
f904c0f9 | 633 | FcPatternAddBool (pat, FC_ANTIALIAS, settings->aa); |
637fa988 | 634 | ++changed; |
f904c0f9 | 635 | oldsettings.aa = settings->aa; |
637fa988 | 636 | } |
67477f30 | 637 | |
f904c0f9 JD |
638 | if ((settings->seen & SEEN_HINTING) != 0 |
639 | && oldsettings.hinting != settings->hinting) | |
637fa988 JD |
640 | { |
641 | FcPatternDel (pat, FC_HINTING); | |
f904c0f9 | 642 | FcPatternAddBool (pat, FC_HINTING, settings->hinting); |
637fa988 | 643 | ++changed; |
f904c0f9 | 644 | oldsettings.hinting = settings->hinting; |
637fa988 | 645 | } |
f904c0f9 | 646 | if ((settings->seen & SEEN_RGBA) != 0 && oldsettings.rgba != settings->rgba) |
637fa988 JD |
647 | { |
648 | FcPatternDel (pat, FC_RGBA); | |
f904c0f9 JD |
649 | FcPatternAddInteger (pat, FC_RGBA, settings->rgba); |
650 | oldsettings.rgba = settings->rgba; | |
637fa988 JD |
651 | ++changed; |
652 | } | |
67477f30 | 653 | |
a6eb20d8 | 654 | /* Older fontconfig versions don't have FC_LCD_FILTER. */ |
f904c0f9 JD |
655 | if ((settings->seen & SEEN_LCDFILTER) != 0 |
656 | && oldsettings.lcdfilter != settings->lcdfilter) | |
637fa988 JD |
657 | { |
658 | FcPatternDel (pat, FC_LCD_FILTER); | |
f904c0f9 | 659 | FcPatternAddInteger (pat, FC_LCD_FILTER, settings->lcdfilter); |
637fa988 | 660 | ++changed; |
f904c0f9 | 661 | oldsettings.lcdfilter = settings->lcdfilter; |
637fa988 | 662 | } |
67477f30 | 663 | |
869795d6 | 664 | #ifdef FC_HINT_STYLE |
f904c0f9 JD |
665 | if ((settings->seen & SEEN_HINTSTYLE) != 0 |
666 | && oldsettings.hintstyle != settings->hintstyle) | |
637fa988 JD |
667 | { |
668 | FcPatternDel (pat, FC_HINT_STYLE); | |
f904c0f9 | 669 | FcPatternAddInteger (pat, FC_HINT_STYLE, settings->hintstyle); |
637fa988 | 670 | ++changed; |
f904c0f9 | 671 | oldsettings.hintstyle = settings->hintstyle; |
637fa988 | 672 | } |
869795d6 | 673 | #endif |
67477f30 | 674 | |
f904c0f9 JD |
675 | if ((settings->seen & SEEN_DPI) != 0 && oldsettings.dpi != settings->dpi |
676 | && settings->dpi > 0) | |
637fa988 JD |
677 | { |
678 | Lisp_Object frame, tail; | |
679 | ||
680 | FcPatternDel (pat, FC_DPI); | |
f904c0f9 | 681 | FcPatternAddDouble (pat, FC_DPI, settings->dpi); |
637fa988 | 682 | ++changed; |
f904c0f9 | 683 | oldsettings.dpi = settings->dpi; |
af59aa6e | 684 | |
637fa988 | 685 | /* Change the DPI on this display and all frames on the display. */ |
f904c0f9 | 686 | dpyinfo->resy = dpyinfo->resx = settings->dpi; |
637fa988 JD |
687 | FOR_EACH_FRAME (tail, frame) |
688 | if (FRAME_X_P (XFRAME (frame)) | |
689 | && FRAME_X_DISPLAY_INFO (XFRAME (frame)) == dpyinfo) | |
f904c0f9 | 690 | XFRAME (frame)->resy = XFRAME (frame)->resx = settings->dpi; |
637fa988 JD |
691 | } |
692 | ||
693 | if (changed) | |
694 | { | |
aaafe47a PE |
695 | static char const format[] = |
696 | "Antialias: %d, Hinting: %d, RGBA: %d, LCDFilter: %d, " | |
697 | "Hintstyle: %d, DPI: %lf"; | |
698 | enum | |
699 | { | |
700 | d_formats = 5, | |
701 | d_growth = INT_BUFSIZE_BOUND (int) - sizeof "%d", | |
702 | lf_formats = 1, | |
703 | max_f_integer_digits = DBL_MAX_10_EXP + 1, | |
704 | f_precision = 6, | |
705 | lf_growth = (sizeof "-." + max_f_integer_digits + f_precision | |
706 | - sizeof "%lf") | |
707 | }; | |
708 | char buf[sizeof format + d_formats * d_growth + lf_formats * lf_growth]; | |
709 | ||
637fa988 JD |
710 | XftDefaultSet (dpyinfo->display, pat); |
711 | if (send_event_p) | |
f904c0f9 JD |
712 | store_config_changed_event (Qfont_render, |
713 | XCAR (dpyinfo->name_list_element)); | |
a8290ec3 DA |
714 | Vxft_settings |
715 | = make_formatted_string (buf, format, | |
716 | oldsettings.aa, oldsettings.hinting, | |
717 | oldsettings.rgba, oldsettings.lcdfilter, | |
718 | oldsettings.hintstyle, oldsettings.dpi); | |
719 | ||
637fa988 JD |
720 | } |
721 | else | |
722 | FcPatternDestroy (pat); | |
f904c0f9 | 723 | #endif /* HAVE_XFT */ |
637fa988 JD |
724 | } |
725 | ||
869795d6 JD |
726 | /* Read XSettings from the display for DPYINFO. |
727 | If SEND_EVENT_P is non-zero store a Lisp event settings that changed. */ | |
728 | ||
f904c0f9 | 729 | static void |
971de7fb | 730 | read_and_apply_settings (struct x_display_info *dpyinfo, int send_event_p) |
f904c0f9 JD |
731 | { |
732 | struct xsettings settings; | |
f904c0f9 JD |
733 | |
734 | if (!read_settings (dpyinfo, &settings)) | |
735 | return; | |
736 | ||
737 | apply_xft_settings (dpyinfo, True, &settings); | |
738 | if (settings.seen & SEEN_TB_STYLE) | |
739 | { | |
869795d6 JD |
740 | if (send_event_p) |
741 | store_tool_bar_style_changed (settings.tb_style, dpyinfo); | |
742 | else | |
743 | current_tool_bar_style = map_tool_bar_style (settings.tb_style); | |
baad03f0 | 744 | xfree (settings.tb_style); |
f904c0f9 | 745 | } |
869795d6 | 746 | #ifdef HAVE_XFT |
f904c0f9 JD |
747 | if (settings.seen & SEEN_FONT) |
748 | { | |
869795d6 JD |
749 | if (send_event_p) |
750 | store_font_name_changed (settings.font); | |
751 | else | |
f904c0f9 | 752 | { |
baad03f0 | 753 | xfree (current_font); |
869795d6 | 754 | current_font = xstrdup (settings.font); |
f904c0f9 | 755 | } |
869795d6 | 756 | xfree (settings.font); |
f904c0f9 | 757 | } |
869795d6 | 758 | #endif |
f904c0f9 | 759 | } |
637fa988 | 760 | |
869795d6 JD |
761 | /* Check if EVENT for the display in DPYINFO is XSettings related. */ |
762 | ||
637fa988 | 763 | void |
971de7fb | 764 | xft_settings_event (struct x_display_info *dpyinfo, XEvent *event) |
637fa988 | 765 | { |
637fa988 | 766 | int check_window_p = 0; |
f904c0f9 | 767 | int apply_settings = 0; |
637fa988 JD |
768 | |
769 | switch (event->type) | |
770 | { | |
771 | case DestroyNotify: | |
772 | if (dpyinfo->xsettings_window == event->xany.window) | |
773 | check_window_p = 1; | |
774 | break; | |
775 | ||
776 | case ClientMessage: | |
777 | if (event->xclient.message_type == dpyinfo->Xatom_xsettings_mgr | |
778 | && event->xclient.data.l[1] == dpyinfo->Xatom_xsettings_sel | |
779 | && event->xclient.window == dpyinfo->root_window) | |
780 | check_window_p = 1; | |
781 | break; | |
782 | ||
783 | case PropertyNotify: | |
784 | if (event->xproperty.window == dpyinfo->xsettings_window | |
785 | && event->xproperty.state == PropertyNewValue | |
786 | && event->xproperty.atom == dpyinfo->Xatom_xsettings_prop) | |
f904c0f9 | 787 | apply_settings = 1; |
637fa988 JD |
788 | break; |
789 | } | |
790 | ||
f904c0f9 | 791 | |
637fa988 JD |
792 | if (check_window_p) |
793 | { | |
794 | dpyinfo->xsettings_window = None; | |
795 | get_prop_window (dpyinfo); | |
796 | if (dpyinfo->xsettings_window != None) | |
f904c0f9 | 797 | apply_settings = 1; |
637fa988 | 798 | } |
f904c0f9 JD |
799 | |
800 | if (apply_settings) | |
801 | read_and_apply_settings (dpyinfo, True); | |
637fa988 JD |
802 | } |
803 | ||
869795d6 | 804 | /* Initialize GSettings and read startup values. */ |
637fa988 | 805 | |
9851bfc5 JD |
806 | static void |
807 | init_gsettings (void) | |
808 | { | |
809 | #ifdef HAVE_GSETTINGS | |
810 | GVariant *val; | |
0949d2b6 JD |
811 | const gchar *const *schemas; |
812 | int schema_found = 0; | |
813 | ||
9851bfc5 JD |
814 | #ifdef HAVE_G_TYPE_INIT |
815 | g_type_init (); | |
816 | #endif | |
817 | ||
5e617bc2 | 818 | schemas = g_settings_list_schemas (); |
0949d2b6 JD |
819 | if (schemas == NULL) return; |
820 | while (! schema_found && *schemas != NULL) | |
821 | schema_found = strcmp (*schemas++, GSETTINGS_SCHEMA) == 0; | |
822 | if (!schema_found) return; | |
823 | ||
9851bfc5 JD |
824 | gsettings_client = g_settings_new (GSETTINGS_SCHEMA); |
825 | if (!gsettings_client) return; | |
826 | g_object_ref_sink (G_OBJECT (gsettings_client)); | |
869795d6 JD |
827 | g_signal_connect (G_OBJECT (gsettings_client), "changed", |
828 | G_CALLBACK (something_changed_gsettingsCB), NULL); | |
829 | ||
830 | val = g_settings_get_value (gsettings_client, GSETTINGS_TOOL_BAR_STYLE); | |
831 | if (val) | |
832 | { | |
833 | g_variant_ref_sink (val); | |
834 | if (g_variant_is_of_type (val, G_VARIANT_TYPE_STRING)) | |
835 | current_tool_bar_style | |
836 | = map_tool_bar_style (g_variant_get_string (val, NULL)); | |
837 | g_variant_unref (val); | |
838 | } | |
9851bfc5 | 839 | |
869795d6 JD |
840 | #ifdef HAVE_XFT |
841 | val = g_settings_get_value (gsettings_client, GSETTINGS_MONO_FONT); | |
2e13213d | 842 | if (val) |
9851bfc5 JD |
843 | { |
844 | g_variant_ref_sink (val); | |
845 | if (g_variant_is_of_type (val, G_VARIANT_TYPE_STRING)) | |
846 | current_mono_font = xstrdup (g_variant_get_string (val, NULL)); | |
847 | g_variant_unref (val); | |
848 | } | |
849 | ||
869795d6 JD |
850 | val = g_settings_get_value (gsettings_client, GSETTINGS_FONT_NAME); |
851 | if (val) | |
852 | { | |
853 | g_variant_ref_sink (val); | |
854 | if (g_variant_is_of_type (val, G_VARIANT_TYPE_STRING)) | |
855 | current_font = xstrdup (g_variant_get_string (val, NULL)); | |
856 | g_variant_unref (val); | |
857 | } | |
858 | #endif /* HAVE_XFT */ | |
859 | ||
9851bfc5 JD |
860 | #endif /* HAVE_GSETTINGS */ |
861 | } | |
862 | ||
869795d6 | 863 | /* Init GConf and read startup values. */ |
9851bfc5 | 864 | |
637fa988 | 865 | static void |
971de7fb | 866 | init_gconf (void) |
637fa988 | 867 | { |
869795d6 | 868 | #if defined (HAVE_GCONF) |
637fa988 | 869 | char *s; |
637fa988 | 870 | |
1e600395 | 871 | #ifdef HAVE_G_TYPE_INIT |
637fa988 | 872 | g_type_init (); |
1e600395 | 873 | #endif |
869795d6 | 874 | |
637fa988 | 875 | gconf_client = gconf_client_get_default (); |
869795d6 JD |
876 | gconf_client_set_error_handling (gconf_client, GCONF_CLIENT_HANDLE_NONE); |
877 | gconf_client_add_dir (gconf_client, | |
878 | GCONF_TOOL_BAR_STYLE, | |
879 | GCONF_CLIENT_PRELOAD_ONELEVEL, | |
880 | NULL); | |
881 | gconf_client_notify_add (gconf_client, | |
882 | GCONF_TOOL_BAR_STYLE, | |
883 | something_changed_gconfCB, | |
884 | NULL, NULL, NULL); | |
885 | ||
886 | s = gconf_client_get_string (gconf_client, GCONF_TOOL_BAR_STYLE, NULL); | |
887 | if (s) | |
888 | { | |
889 | current_tool_bar_style = map_tool_bar_style (s); | |
890 | g_free (s); | |
891 | } | |
892 | ||
893 | #ifdef HAVE_XFT | |
894 | s = gconf_client_get_string (gconf_client, GCONF_MONO_FONT, NULL); | |
637fa988 JD |
895 | if (s) |
896 | { | |
897 | current_mono_font = xstrdup (s); | |
898 | g_free (s); | |
899 | } | |
869795d6 | 900 | s = gconf_client_get_string (gconf_client, GCONF_FONT_NAME, NULL); |
99852628 JD |
901 | if (s) |
902 | { | |
903 | current_font = xstrdup (s); | |
904 | g_free (s); | |
905 | } | |
637fa988 | 906 | gconf_client_add_dir (gconf_client, |
869795d6 | 907 | GCONF_MONO_FONT, |
637fa988 JD |
908 | GCONF_CLIENT_PRELOAD_ONELEVEL, |
909 | NULL); | |
910 | gconf_client_notify_add (gconf_client, | |
869795d6 JD |
911 | GCONF_MONO_FONT, |
912 | something_changed_gconfCB, | |
637fa988 | 913 | NULL, NULL, NULL); |
869795d6 JD |
914 | gconf_client_add_dir (gconf_client, |
915 | GCONF_FONT_NAME, | |
916 | GCONF_CLIENT_PRELOAD_ONELEVEL, | |
917 | NULL); | |
918 | gconf_client_notify_add (gconf_client, | |
919 | GCONF_FONT_NAME, | |
920 | something_changed_gconfCB, | |
921 | NULL, NULL, NULL); | |
922 | #endif /* HAVE_XFT */ | |
923 | #endif /* HAVE_GCONF */ | |
637fa988 JD |
924 | } |
925 | ||
869795d6 JD |
926 | /* Init Xsettings and read startup values. */ |
927 | ||
637fa988 | 928 | static void |
971de7fb | 929 | init_xsettings (struct x_display_info *dpyinfo) |
637fa988 | 930 | { |
637fa988 JD |
931 | Display *dpy = dpyinfo->display; |
932 | ||
933 | BLOCK_INPUT; | |
934 | ||
637fa988 JD |
935 | /* Select events so we can detect client messages sent when selection |
936 | owner changes. */ | |
937 | XSelectInput (dpy, dpyinfo->root_window, StructureNotifyMask); | |
938 | ||
939 | get_prop_window (dpyinfo); | |
940 | if (dpyinfo->xsettings_window != None) | |
f904c0f9 | 941 | read_and_apply_settings (dpyinfo, False); |
637fa988 JD |
942 | |
943 | UNBLOCK_INPUT; | |
637fa988 JD |
944 | } |
945 | ||
946 | void | |
971de7fb | 947 | xsettings_initialize (struct x_display_info *dpyinfo) |
637fa988 JD |
948 | { |
949 | if (first_dpyinfo == NULL) first_dpyinfo = dpyinfo; | |
950 | init_gconf (); | |
f904c0f9 | 951 | init_xsettings (dpyinfo); |
869795d6 | 952 | init_gsettings (); |
637fa988 JD |
953 | } |
954 | ||
869795d6 JD |
955 | /* Return the system monospaced font. |
956 | May be NULL if not known. */ | |
957 | ||
0d1d0d26 | 958 | const char * |
971de7fb | 959 | xsettings_get_system_font (void) |
0d1d0d26 JD |
960 | { |
961 | return current_mono_font; | |
962 | } | |
637fa988 | 963 | |
e87b6180 | 964 | #ifdef USE_LUCID |
869795d6 JD |
965 | /* Return the system font. |
966 | May be NULL if not known. */ | |
967 | ||
99852628 | 968 | const char * |
971de7fb | 969 | xsettings_get_system_normal_font (void) |
99852628 JD |
970 | { |
971 | return current_font; | |
972 | } | |
e87b6180 | 973 | #endif |
99852628 JD |
974 | |
975 | DEFUN ("font-get-system-normal-font", Ffont_get_system_normal_font, | |
976 | Sfont_get_system_normal_font, | |
977 | 0, 0, 0, | |
bf935339 | 978 | doc: /* Get the system default application font. */) |
5842a27b | 979 | (void) |
99852628 | 980 | { |
2674ddc8 | 981 | return current_font ? build_string (current_font) : Qnil; |
99852628 JD |
982 | } |
983 | ||
637fa988 JD |
984 | DEFUN ("font-get-system-font", Ffont_get_system_font, Sfont_get_system_font, |
985 | 0, 0, 0, | |
bf935339 | 986 | doc: /* Get the system default fixed width font. */) |
5842a27b | 987 | (void) |
637fa988 | 988 | { |
2674ddc8 | 989 | return current_mono_font ? build_string (current_mono_font) : Qnil; |
637fa988 JD |
990 | } |
991 | ||
a7ca3326 | 992 | DEFUN ("tool-bar-get-system-style", Ftool_bar_get_system_style, |
16a97296 | 993 | Stool_bar_get_system_style, 0, 0, 0, |
f904c0f9 | 994 | doc: /* Get the system tool bar style. |
4721152c | 995 | If no system tool bar style is known, return `tool-bar-style' if set to a |
f904c0f9 | 996 | known style. Otherwise return image. */) |
5842a27b | 997 | (void) |
f904c0f9 JD |
998 | { |
999 | if (EQ (Vtool_bar_style, Qimage) | |
1000 | || EQ (Vtool_bar_style, Qtext) | |
1001 | || EQ (Vtool_bar_style, Qboth) | |
8a52f00a JD |
1002 | || EQ (Vtool_bar_style, Qboth_horiz) |
1003 | || EQ (Vtool_bar_style, Qtext_image_horiz)) | |
f904c0f9 JD |
1004 | return Vtool_bar_style; |
1005 | if (!NILP (current_tool_bar_style)) | |
1006 | return current_tool_bar_style; | |
1007 | return Qimage; | |
1008 | } | |
1009 | ||
637fa988 | 1010 | void |
971de7fb | 1011 | syms_of_xsettings (void) |
637fa988 JD |
1012 | { |
1013 | current_mono_font = NULL; | |
99852628 | 1014 | current_font = NULL; |
637fa988 | 1015 | first_dpyinfo = NULL; |
9851bfc5 JD |
1016 | #ifdef HAVE_GSETTINGS |
1017 | gsettings_client = NULL; | |
869795d6 | 1018 | #endif |
637fa988 JD |
1019 | #ifdef HAVE_GCONF |
1020 | gconf_client = NULL; | |
1021 | #endif | |
1022 | ||
cd3520a4 JB |
1023 | DEFSYM (Qmonospace_font_name, "monospace-font-name"); |
1024 | DEFSYM (Qfont_name, "font-name"); | |
1025 | DEFSYM (Qfont_render, "font-render"); | |
637fa988 | 1026 | defsubr (&Sfont_get_system_font); |
99852628 | 1027 | defsubr (&Sfont_get_system_normal_font); |
637fa988 | 1028 | |
29208e82 | 1029 | DEFVAR_BOOL ("font-use-system-font", use_system_font, |
fb7ada5f | 1030 | doc: /* Non-nil means to apply the system defined font dynamically. |
bf935339 J |
1031 | When this is non-nil and the system defined fixed width font changes, we |
1032 | update frames dynamically. | |
1033 | If this variable is nil, Emacs ignores system font changes. */); | |
dfb3c4c6 JD |
1034 | use_system_font = 0; |
1035 | ||
29208e82 | 1036 | DEFVAR_LISP ("xft-settings", Vxft_settings, |
67477f30 | 1037 | doc: /* Font settings applied to Xft. */); |
4a7edc24 | 1038 | Vxft_settings = empty_unibyte_string; |
67477f30 | 1039 | |
0d1d0d26 JD |
1040 | #ifdef HAVE_XFT |
1041 | Fprovide (intern_c_string ("font-render-setting"), Qnil); | |
9851bfc5 | 1042 | #if defined (HAVE_GCONF) || defined (HAVE_GSETTINGS) |
637fa988 JD |
1043 | Fprovide (intern_c_string ("system-font-setting"), Qnil); |
1044 | #endif | |
637fa988 | 1045 | #endif |
f904c0f9 JD |
1046 | |
1047 | current_tool_bar_style = Qnil; | |
cd3520a4 | 1048 | DEFSYM (Qtool_bar_style, "tool-bar-style"); |
f904c0f9 JD |
1049 | defsubr (&Stool_bar_get_system_style); |
1050 | ||
1051 | Fprovide (intern_c_string ("dynamic-setting"), Qnil); | |
637fa988 | 1052 | } |