Commit | Line | Data |
---|---|---|
4ff155dd GM |
1 | /* Functions for handling font and other changes dynamically. |
2 | ||
ab422c4d | 3 | Copyright (C) 2009-2013 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 <fcntl.h> |
25 | #include "lisp.h" | |
26 | #include "xterm.h" | |
27 | #include "xsettings.h" | |
28 | #include "frame.h" | |
b87dd913 | 29 | #include "keyboard.h" |
637fa988 JD |
30 | #include "blockinput.h" |
31 | #include "termhooks.h" | |
637fa988 JD |
32 | |
33 | #include <X11/Xproto.h> | |
34 | ||
9851bfc5 | 35 | #ifdef HAVE_GSETTINGS |
51bb811f JD |
36 | #include <glib-object.h> |
37 | #include <gio/gio.h> | |
869795d6 JD |
38 | #endif |
39 | ||
637fa988 JD |
40 | #ifdef HAVE_GCONF |
41 | #include <gconf/gconf-client.h> | |
42 | #endif | |
9851bfc5 | 43 | |
637fa988 JD |
44 | #ifdef HAVE_XFT |
45 | #include <X11/Xft/Xft.h> | |
46 | #endif | |
47 | ||
48 | static char *current_mono_font; | |
99852628 | 49 | static char *current_font; |
637fa988 | 50 | static struct x_display_info *first_dpyinfo; |
f904c0f9 JD |
51 | static Lisp_Object Qmonospace_font_name, Qfont_name, Qfont_render, |
52 | Qtool_bar_style; | |
f904c0f9 | 53 | static Lisp_Object current_tool_bar_style; |
637fa988 | 54 | |
869795d6 JD |
55 | /* Store an config changed event in to the event queue. */ |
56 | ||
637fa988 | 57 | static void |
971de7fb | 58 | store_config_changed_event (Lisp_Object arg, Lisp_Object display_name) |
637fa988 JD |
59 | { |
60 | struct input_event event; | |
61 | EVENT_INIT (event); | |
62 | event.kind = CONFIG_CHANGED_EVENT; | |
63 | event.frame_or_window = display_name; | |
64 | event.arg = arg; | |
65 | kbd_buffer_store_event (&event); | |
66 | } | |
67 | ||
869795d6 JD |
68 | /* Return non-zero if DPYINFO is still valid. */ |
69 | static int | |
70 | dpyinfo_valid (struct x_display_info *dpyinfo) | |
71 | { | |
72 | int found = 0; | |
73 | if (dpyinfo != NULL) | |
74 | { | |
75 | struct x_display_info *d; | |
76 | for (d = x_display_list; !found && d; d = d->next) | |
77 | found = d == dpyinfo && d->display == dpyinfo->display; | |
78 | } | |
79 | return found; | |
80 | } | |
81 | ||
82 | /* Store a monospace font change event if the monospaced font changed. */ | |
83 | ||
490011a6 | 84 | #if defined HAVE_XFT && (defined HAVE_GSETTINGS || defined HAVE_GCONF) |
9851bfc5 | 85 | static void |
0949d2b6 | 86 | store_monospaced_changed (const char *newfont) |
9851bfc5 | 87 | { |
0949d2b6 JD |
88 | if (current_mono_font != NULL && strcmp (newfont, current_mono_font) == 0) |
89 | return; /* No change. */ | |
90 | ||
91 | xfree (current_mono_font); | |
92 | current_mono_font = xstrdup (newfont); | |
93 | ||
869795d6 | 94 | if (dpyinfo_valid (first_dpyinfo) && use_system_font) |
9851bfc5 | 95 | { |
869795d6 JD |
96 | store_config_changed_event (Qmonospace_font_name, |
97 | XCAR (first_dpyinfo->name_list_element)); | |
9851bfc5 JD |
98 | } |
99 | } | |
490011a6 | 100 | #endif |
9851bfc5 | 101 | |
869795d6 | 102 | /* Store a font name change event if the font name changed. */ |
9851bfc5 | 103 | |
490011a6 | 104 | #ifdef HAVE_XFT |
869795d6 JD |
105 | static void |
106 | store_font_name_changed (const char *newfont) | |
107 | { | |
108 | if (current_font != NULL && strcmp (newfont, current_font) == 0) | |
109 | return; /* No change. */ | |
110 | ||
111 | xfree (current_font); | |
112 | current_font = xstrdup (newfont); | |
113 | ||
114 | if (dpyinfo_valid (first_dpyinfo)) | |
115 | { | |
116 | store_config_changed_event (Qfont_name, | |
117 | XCAR (first_dpyinfo->name_list_element)); | |
118 | } | |
119 | } | |
120 | #endif /* HAVE_XFT */ | |
121 | ||
da6062e6 | 122 | /* Map TOOL_BAR_STYLE from a string to its corresponding Lisp value. |
869795d6 JD |
123 | Return Qnil if TOOL_BAR_STYLE is not known. */ |
124 | ||
125 | static Lisp_Object | |
126 | map_tool_bar_style (const char *tool_bar_style) | |
127 | { | |
128 | Lisp_Object style = Qnil; | |
129 | if (tool_bar_style) | |
130 | { | |
131 | if (strcmp (tool_bar_style, "both") == 0) | |
132 | style = Qboth; | |
133 | else if (strcmp (tool_bar_style, "both-horiz") == 0) | |
134 | style = Qboth_horiz; | |
135 | else if (strcmp (tool_bar_style, "icons") == 0) | |
136 | style = Qimage; | |
137 | else if (strcmp (tool_bar_style, "text") == 0) | |
138 | style = Qtext; | |
139 | } | |
140 | ||
141 | return style; | |
142 | } | |
143 | ||
144 | /* Store a tool bar style change event if the tool bar style changed. */ | |
145 | ||
146 | static void | |
147 | store_tool_bar_style_changed (const char *newstyle, | |
148 | struct x_display_info *dpyinfo) | |
149 | { | |
150 | Lisp_Object style = map_tool_bar_style (newstyle); | |
151 | if (EQ (current_tool_bar_style, style)) | |
152 | return; /* No change. */ | |
153 | ||
154 | current_tool_bar_style = style; | |
155 | if (dpyinfo_valid (dpyinfo)) | |
156 | store_config_changed_event (Qtool_bar_style, | |
157 | XCAR (dpyinfo->name_list_element)); | |
158 | } | |
9851bfc5 | 159 | |
2014308a | 160 | #ifdef HAVE_XFT |
f904c0f9 | 161 | #define XSETTINGS_FONT_NAME "Gtk/FontName" |
2014308a | 162 | #endif |
f904c0f9 | 163 | #define XSETTINGS_TOOL_BAR_STYLE "Gtk/ToolbarStyle" |
0269ef77 | 164 | |
f904c0f9 JD |
165 | enum { |
166 | SEEN_AA = 0x01, | |
167 | SEEN_HINTING = 0x02, | |
168 | SEEN_RGBA = 0x04, | |
169 | SEEN_LCDFILTER = 0x08, | |
170 | SEEN_HINTSTYLE = 0x10, | |
171 | SEEN_DPI = 0x20, | |
172 | SEEN_FONT = 0x40, | |
173 | SEEN_TB_STYLE = 0x80, | |
174 | }; | |
af59aa6e | 175 | struct xsettings |
f904c0f9 JD |
176 | { |
177 | #ifdef HAVE_XFT | |
178 | FcBool aa, hinting; | |
179 | int rgba, lcdfilter, hintstyle; | |
180 | double dpi; | |
f904c0f9 JD |
181 | |
182 | char *font; | |
869795d6 JD |
183 | #endif |
184 | ||
f904c0f9 JD |
185 | char *tb_style; |
186 | ||
187 | unsigned seen; | |
188 | }; | |
189 | ||
9851bfc5 | 190 | #ifdef HAVE_GSETTINGS |
869795d6 JD |
191 | #define GSETTINGS_SCHEMA "org.gnome.desktop.interface" |
192 | #define GSETTINGS_TOOL_BAR_STYLE "toolbar-style" | |
193 | ||
194 | #ifdef HAVE_XFT | |
195 | #define GSETTINGS_MONO_FONT "monospace-font-name" | |
196 | #define GSETTINGS_FONT_NAME "font-name" | |
197 | #endif | |
198 | ||
199 | ||
200 | /* The single GSettings instance, or NULL if not connected to GSettings. */ | |
201 | ||
202 | static GSettings *gsettings_client; | |
203 | ||
204 | /* Callback called when something changed in GSettings. */ | |
31a01b90 | 205 | |
0949d2b6 | 206 | static void |
869795d6 JD |
207 | something_changed_gsettingsCB (GSettings *settings, |
208 | gchar *key, | |
209 | gpointer user_data) | |
0949d2b6 JD |
210 | { |
211 | GVariant *val; | |
869795d6 JD |
212 | |
213 | if (strcmp (key, GSETTINGS_TOOL_BAR_STYLE) == 0) | |
0949d2b6 | 214 | { |
869795d6 JD |
215 | val = g_settings_get_value (settings, GSETTINGS_TOOL_BAR_STYLE); |
216 | if (val) | |
0949d2b6 | 217 | { |
869795d6 JD |
218 | g_variant_ref_sink (val); |
219 | if (g_variant_is_of_type (val, G_VARIANT_TYPE_STRING)) | |
220 | { | |
221 | const gchar *newstyle = g_variant_get_string (val, NULL); | |
222 | store_tool_bar_style_changed (newstyle, first_dpyinfo); | |
223 | } | |
224 | g_variant_unref (val); | |
225 | } | |
226 | } | |
227 | #ifdef HAVE_XFT | |
228 | else if (strcmp (key, GSETTINGS_MONO_FONT) == 0) | |
229 | { | |
230 | val = g_settings_get_value (settings, GSETTINGS_MONO_FONT); | |
231 | if (val) | |
232 | { | |
233 | g_variant_ref_sink (val); | |
234 | if (g_variant_is_of_type (val, G_VARIANT_TYPE_STRING)) | |
235 | { | |
236 | const gchar *newfont = g_variant_get_string (val, NULL); | |
237 | store_monospaced_changed (newfont); | |
238 | } | |
239 | g_variant_unref (val); | |
0949d2b6 | 240 | } |
0949d2b6 | 241 | } |
869795d6 JD |
242 | else if (strcmp (key, GSETTINGS_FONT_NAME) == 0) |
243 | { | |
244 | val = g_settings_get_value (settings, GSETTINGS_FONT_NAME); | |
245 | if (val) | |
246 | { | |
247 | g_variant_ref_sink (val); | |
248 | if (g_variant_is_of_type (val, G_VARIANT_TYPE_STRING)) | |
249 | { | |
250 | const gchar *newfont = g_variant_get_string (val, NULL); | |
251 | store_font_name_changed (newfont); | |
252 | } | |
253 | g_variant_unref (val); | |
254 | } | |
255 | } | |
490011a6 | 256 | #endif /* HAVE_XFT */ |
0949d2b6 JD |
257 | } |
258 | ||
869795d6 | 259 | #endif /* HAVE_GSETTINGS */ |
2e13213d | 260 | |
869795d6 JD |
261 | #ifdef HAVE_GCONF |
262 | #define GCONF_TOOL_BAR_STYLE "/desktop/gnome/interface/toolbar_style" | |
2e13213d | 263 | #ifdef HAVE_XFT |
869795d6 JD |
264 | #define GCONF_MONO_FONT "/desktop/gnome/interface/monospace_font_name" |
265 | #define GCONF_FONT_NAME "/desktop/gnome/interface/font_name" | |
2e13213d | 266 | #endif |
31a01b90 | 267 | |
869795d6 JD |
268 | /* The single GConf instance, or NULL if not connected to GConf. */ |
269 | ||
270 | static GConfClient *gconf_client; | |
271 | ||
272 | /* Callback called when something changed in GConf that we care about. */ | |
637fa988 JD |
273 | |
274 | static void | |
869795d6 JD |
275 | something_changed_gconfCB (GConfClient *client, |
276 | guint cnxn_id, | |
277 | GConfEntry *entry, | |
278 | gpointer user_data) | |
637fa988 JD |
279 | { |
280 | GConfValue *v = gconf_entry_get_value (entry); | |
869795d6 | 281 | const char *key = gconf_entry_get_key (entry); |
af59aa6e | 282 | |
869795d6 JD |
283 | if (!v || v->type != GCONF_VALUE_STRING || ! key) return; |
284 | if (strcmp (key, GCONF_TOOL_BAR_STYLE) == 0) | |
285 | { | |
286 | const char *value = gconf_value_get_string (v); | |
287 | store_tool_bar_style_changed (value, first_dpyinfo); | |
288 | } | |
289 | #ifdef HAVE_XFT | |
290 | else if (strcmp (key, GCONF_MONO_FONT) == 0) | |
637fa988 JD |
291 | { |
292 | const char *value = gconf_value_get_string (v); | |
0949d2b6 | 293 | store_monospaced_changed (value); |
637fa988 | 294 | } |
869795d6 JD |
295 | else if (strcmp (key, GCONF_FONT_NAME) == 0) |
296 | { | |
297 | const char *value = gconf_value_get_string (v); | |
298 | store_font_name_changed (value); | |
299 | } | |
300 | #endif /* HAVE_XFT */ | |
637fa988 | 301 | } |
9851bfc5 | 302 | |
637fa988 JD |
303 | #endif /* HAVE_GCONF */ |
304 | ||
305 | #ifdef HAVE_XFT | |
306 | ||
21050de1 JD |
307 | /* Older fontconfig versions don't have FC_LCD_*. */ |
308 | #ifndef FC_LCD_NONE | |
309 | #define FC_LCD_NONE 0 | |
310 | #endif | |
311 | #ifndef FC_LCD_DEFAULT | |
312 | #define FC_LCD_DEFAULT 1 | |
313 | #endif | |
314 | #ifndef FC_LCD_FILTER | |
315 | #define FC_LCD_FILTER "lcdfilter" | |
316 | #endif | |
317 | ||
f904c0f9 JD |
318 | #endif /* HAVE_XFT */ |
319 | ||
637fa988 JD |
320 | /* Find the window that contains the XSETTINGS property values. */ |
321 | ||
322 | static void | |
971de7fb | 323 | get_prop_window (struct x_display_info *dpyinfo) |
637fa988 JD |
324 | { |
325 | Display *dpy = dpyinfo->display; | |
326 | ||
327 | XGrabServer (dpy); | |
328 | dpyinfo->xsettings_window = XGetSelectionOwner (dpy, | |
329 | dpyinfo->Xatom_xsettings_sel); | |
330 | if (dpyinfo->xsettings_window != None) | |
331 | /* Select events so we can detect if window is deleted or if settings | |
332 | are changed. */ | |
333 | XSelectInput (dpy, dpyinfo->xsettings_window, | |
334 | PropertyChangeMask|StructureNotifyMask); | |
335 | ||
336 | XUngrabServer (dpy); | |
337 | } | |
338 | ||
637fa988 JD |
339 | #define SWAP32(nr) (((nr) << 24) | (((nr) << 8) & 0xff0000) \ |
340 | | (((nr) >> 8) & 0xff00) | ((nr) >> 24)) | |
341 | #define SWAP16(nr) (((nr) << 8) | ((nr) >> 8)) | |
342 | #define PAD(nr) (((nr) + 3) & ~3) | |
343 | ||
344 | /* Parse xsettings and extract those that deal with Xft. | |
345 | See http://freedesktop.org/wiki/Specifications/XSettingsRegistry | |
346 | and http://standards.freedesktop.org/xsettings-spec/xsettings-spec-0.5.html. | |
347 | ||
348 | Layout of prop. First is a header: | |
349 | ||
350 | bytes type what | |
351 | ------------------------------------ | |
352 | 1 CARD8 byte-order | |
353 | 3 unused | |
354 | 4 CARD32 SERIAL | |
355 | 4 CARD32 N_SETTINGS | |
356 | ||
357 | Then N_SETTINGS records, with header: | |
358 | ||
359 | bytes type what | |
360 | ------------------------------------ | |
361 | 1 SETTING_TYPE type (0 = integer, 1 = string, 2 RGB color). | |
362 | 1 unused | |
363 | 2 CARD16 n == name-length | |
364 | n STRING8 name | |
365 | p unused, p=pad_to_even_4(n) | |
366 | 4 CARD32 last-change-serial | |
367 | ||
368 | and then the value, For string: | |
af59aa6e | 369 | |
637fa988 JD |
370 | bytes type what |
371 | ------------------------------------ | |
372 | 4 CARD32 n = value-length | |
373 | n STRING8 value | |
374 | p unused, p=pad_to_even_4(n) | |
375 | ||
376 | For integer: | |
377 | ||
378 | bytes type what | |
379 | ------------------------------------ | |
380 | 4 INT32 value | |
381 | ||
382 | For RGB color: | |
383 | ||
384 | bytes type what | |
385 | ------------------------------------ | |
386 | 2 CARD16 red | |
387 | 2 CARD16 blue | |
388 | 2 CARD16 green | |
389 | 2 CARD16 alpha | |
390 | ||
3c055b77 | 391 | Returns non-zero if some Xft settings was seen, zero otherwise. |
637fa988 JD |
392 | */ |
393 | ||
394 | static int | |
e4c8d29a J |
395 | parse_settings (unsigned char *prop, |
396 | long unsigned int bytes, | |
397 | struct xsettings *settings) | |
637fa988 JD |
398 | { |
399 | Lisp_Object byteorder = Fbyteorder (); | |
400 | int my_bo = XFASTINT (byteorder) == 'B' ? MSBFirst : LSBFirst; | |
401 | int that_bo = prop[0]; | |
402 | CARD32 n_settings; | |
403 | int bytes_parsed = 0; | |
404 | int settings_seen = 0; | |
405 | int i = 0; | |
406 | ||
407 | /* First 4 bytes is a serial number, skip that. */ | |
408 | ||
409 | if (bytes < 12) return BadLength; | |
410 | memcpy (&n_settings, prop+8, 4); | |
411 | if (my_bo != that_bo) n_settings = SWAP32 (n_settings); | |
412 | bytes_parsed = 12; | |
413 | ||
414 | memset (settings, 0, sizeof (*settings)); | |
415 | ||
99852628 | 416 | while (bytes_parsed+4 < bytes && settings_seen < 7 |
637fa988 JD |
417 | && i < n_settings) |
418 | { | |
419 | int type = prop[bytes_parsed++]; | |
420 | CARD16 nlen; | |
421 | CARD32 vlen, ival = 0; | |
422 | char name[128]; /* The names we are looking for are not this long. */ | |
423 | char sval[128]; /* The values we are looking for are not this long. */ | |
99852628 | 424 | int want_this; |
637fa988 JD |
425 | int to_cpy; |
426 | ||
427 | sval[0] = '\0'; | |
428 | ++i; | |
429 | ++bytes_parsed; /* Padding */ | |
430 | ||
431 | memcpy (&nlen, prop+bytes_parsed, 2); | |
432 | bytes_parsed += 2; | |
433 | if (my_bo != that_bo) nlen = SWAP16 (nlen); | |
434 | if (bytes_parsed+nlen > bytes) return BadLength; | |
435 | to_cpy = nlen > 127 ? 127 : nlen; | |
436 | memcpy (name, prop+bytes_parsed, to_cpy); | |
437 | name[to_cpy] = '\0'; | |
438 | ||
439 | bytes_parsed += nlen; | |
440 | bytes_parsed = PAD (bytes_parsed); | |
441 | ||
442 | bytes_parsed += 4; /* Skip serial for this value */ | |
443 | if (bytes_parsed > bytes) return BadLength; | |
444 | ||
490011a6 | 445 | want_this = |
f904c0f9 JD |
446 | #ifdef HAVE_XFT |
447 | (nlen > 6 && strncmp (name, "Xft/", 4) == 0) | |
869795d6 | 448 | || strcmp (XSETTINGS_FONT_NAME, name) == 0 |
f904c0f9 JD |
449 | || |
450 | #endif | |
869795d6 | 451 | strcmp (XSETTINGS_TOOL_BAR_STYLE, name) == 0; |
490011a6 | 452 | |
af59aa6e | 453 | switch (type) |
637fa988 JD |
454 | { |
455 | case 0: /* Integer */ | |
456 | if (bytes_parsed+4 > bytes) return BadLength; | |
99852628 | 457 | if (want_this) |
637fa988 JD |
458 | { |
459 | memcpy (&ival, prop+bytes_parsed, 4); | |
460 | if (my_bo != that_bo) ival = SWAP32 (ival); | |
461 | } | |
462 | bytes_parsed += 4; | |
463 | break; | |
464 | ||
465 | case 1: /* String */ | |
466 | if (bytes_parsed+4 > bytes) return BadLength; | |
467 | memcpy (&vlen, prop+bytes_parsed, 4); | |
468 | bytes_parsed += 4; | |
469 | if (my_bo != that_bo) vlen = SWAP32 (vlen); | |
99852628 | 470 | if (want_this) |
637fa988 JD |
471 | { |
472 | to_cpy = vlen > 127 ? 127 : vlen; | |
473 | memcpy (sval, prop+bytes_parsed, to_cpy); | |
474 | sval[to_cpy] = '\0'; | |
475 | } | |
476 | bytes_parsed += vlen; | |
477 | bytes_parsed = PAD (bytes_parsed); | |
478 | break; | |
479 | ||
480 | case 2: /* RGB value */ | |
481 | /* No need to parse this */ | |
482 | if (bytes_parsed+8 > bytes) return BadLength; | |
af59aa6e | 483 | bytes_parsed += 8; /* 4 values (r, b, g, alpha), 2 bytes each. */ |
637fa988 JD |
484 | break; |
485 | ||
486 | default: /* Parse Error */ | |
487 | return BadValue; | |
488 | } | |
489 | ||
af59aa6e | 490 | if (want_this) |
637fa988 JD |
491 | { |
492 | ++settings_seen; | |
869795d6 | 493 | if (strcmp (name, XSETTINGS_TOOL_BAR_STYLE) == 0) |
f904c0f9 JD |
494 | { |
495 | settings->tb_style = xstrdup (sval); | |
496 | settings->seen |= SEEN_TB_STYLE; | |
497 | } | |
498 | #ifdef HAVE_XFT | |
869795d6 JD |
499 | else if (strcmp (name, XSETTINGS_FONT_NAME) == 0) |
500 | { | |
501 | settings->font = xstrdup (sval); | |
502 | settings->seen |= SEEN_FONT; | |
503 | } | |
f904c0f9 | 504 | else if (strcmp (name, "Xft/Antialias") == 0) |
3c055b77 JD |
505 | { |
506 | settings->seen |= SEEN_AA; | |
507 | settings->aa = ival != 0; | |
508 | } | |
637fa988 | 509 | else if (strcmp (name, "Xft/Hinting") == 0) |
3c055b77 JD |
510 | { |
511 | settings->seen |= SEEN_HINTING; | |
512 | settings->hinting = ival != 0; | |
513 | } | |
af59aa6e | 514 | # ifdef FC_HINT_STYLE |
637fa988 JD |
515 | else if (strcmp (name, "Xft/HintStyle") == 0) |
516 | { | |
3c055b77 | 517 | settings->seen |= SEEN_HINTSTYLE; |
637fa988 JD |
518 | if (strcmp (sval, "hintnone") == 0) |
519 | settings->hintstyle = FC_HINT_NONE; | |
520 | else if (strcmp (sval, "hintslight") == 0) | |
521 | settings->hintstyle = FC_HINT_SLIGHT; | |
522 | else if (strcmp (sval, "hintmedium") == 0) | |
523 | settings->hintstyle = FC_HINT_MEDIUM; | |
524 | else if (strcmp (sval, "hintfull") == 0) | |
525 | settings->hintstyle = FC_HINT_FULL; | |
3c055b77 JD |
526 | else |
527 | settings->seen &= ~SEEN_HINTSTYLE; | |
637fa988 | 528 | } |
af59aa6e | 529 | # endif |
637fa988 JD |
530 | else if (strcmp (name, "Xft/RGBA") == 0) |
531 | { | |
3c055b77 | 532 | settings->seen |= SEEN_RGBA; |
637fa988 JD |
533 | if (strcmp (sval, "none") == 0) |
534 | settings->rgba = FC_RGBA_NONE; | |
535 | else if (strcmp (sval, "rgb") == 0) | |
536 | settings->rgba = FC_RGBA_RGB; | |
537 | else if (strcmp (sval, "bgr") == 0) | |
538 | settings->rgba = FC_RGBA_BGR; | |
539 | else if (strcmp (sval, "vrgb") == 0) | |
540 | settings->rgba = FC_RGBA_VRGB; | |
541 | else if (strcmp (sval, "vbgr") == 0) | |
542 | settings->rgba = FC_RGBA_VBGR; | |
3c055b77 JD |
543 | else |
544 | settings->seen &= ~SEEN_RGBA; | |
637fa988 JD |
545 | } |
546 | else if (strcmp (name, "Xft/DPI") == 0) | |
3c055b77 JD |
547 | { |
548 | settings->seen |= SEEN_DPI; | |
549 | settings->dpi = (double)ival/1024.0; | |
550 | } | |
637fa988 JD |
551 | else if (strcmp (name, "Xft/lcdfilter") == 0) |
552 | { | |
3c055b77 | 553 | settings->seen |= SEEN_LCDFILTER; |
637fa988 JD |
554 | if (strcmp (sval, "none") == 0) |
555 | settings->lcdfilter = FC_LCD_NONE; | |
556 | else if (strcmp (sval, "lcddefault") == 0) | |
557 | settings->lcdfilter = FC_LCD_DEFAULT; | |
3c055b77 JD |
558 | else |
559 | settings->seen &= ~SEEN_LCDFILTER; | |
637fa988 | 560 | } |
f904c0f9 | 561 | #endif /* HAVE_XFT */ |
637fa988 JD |
562 | } |
563 | } | |
564 | ||
3c055b77 | 565 | return settings_seen; |
637fa988 JD |
566 | } |
567 | ||
869795d6 JD |
568 | /* Read settings from the XSettings property window on display for DPYINFO. |
569 | Store settings read in SETTINGS. | |
570 | Return non-zero if successful, zero if not. */ | |
571 | ||
637fa988 | 572 | static int |
971de7fb | 573 | read_settings (struct x_display_info *dpyinfo, struct xsettings *settings) |
637fa988 | 574 | { |
637fa988 JD |
575 | Atom act_type; |
576 | int act_form; | |
577 | unsigned long nitems, bytes_after; | |
578 | unsigned char *prop = NULL; | |
579 | Display *dpy = dpyinfo->display; | |
580 | int rc; | |
581 | ||
582 | x_catch_errors (dpy); | |
583 | rc = XGetWindowProperty (dpy, | |
584 | dpyinfo->xsettings_window, | |
585 | dpyinfo->Xatom_xsettings_prop, | |
586 | 0, LONG_MAX, False, AnyPropertyType, | |
587 | &act_type, &act_form, &nitems, &bytes_after, | |
588 | &prop); | |
589 | ||
590 | if (rc == Success && prop != NULL && act_form == 8 && nitems > 0 | |
591 | && act_type == dpyinfo->Xatom_xsettings_prop) | |
f904c0f9 | 592 | rc = parse_settings (prop, nitems, settings); |
637fa988 JD |
593 | |
594 | XFree (prop); | |
595 | ||
596 | x_uncatch_errors (); | |
597 | ||
3c055b77 | 598 | return rc != 0; |
637fa988 JD |
599 | } |
600 | ||
869795d6 JD |
601 | /* Apply Xft settings in SETTINGS to the Xft library. |
602 | If SEND_EVENT_P is non-zero store a Lisp event that Xft settings changed. */ | |
581e51e8 | 603 | |
637fa988 | 604 | static void |
e4c8d29a J |
605 | apply_xft_settings (struct x_display_info *dpyinfo, |
606 | int send_event_p, | |
607 | struct xsettings *settings) | |
637fa988 | 608 | { |
f904c0f9 | 609 | #ifdef HAVE_XFT |
637fa988 | 610 | FcPattern *pat; |
f904c0f9 | 611 | struct xsettings oldsettings; |
637fa988 JD |
612 | int changed = 0; |
613 | ||
637fa988 | 614 | memset (&oldsettings, 0, sizeof (oldsettings)); |
637fa988 JD |
615 | pat = FcPatternCreate (); |
616 | XftDefaultSubstitute (dpyinfo->display, | |
617 | XScreenNumberOfScreen (dpyinfo->screen), | |
618 | pat); | |
619 | FcPatternGetBool (pat, FC_ANTIALIAS, 0, &oldsettings.aa); | |
620 | FcPatternGetBool (pat, FC_HINTING, 0, &oldsettings.hinting); | |
869795d6 | 621 | #ifdef FC_HINT_STYLE |
637fa988 | 622 | FcPatternGetInteger (pat, FC_HINT_STYLE, 0, &oldsettings.hintstyle); |
869795d6 | 623 | #endif |
637fa988 JD |
624 | FcPatternGetInteger (pat, FC_LCD_FILTER, 0, &oldsettings.lcdfilter); |
625 | FcPatternGetInteger (pat, FC_RGBA, 0, &oldsettings.rgba); | |
626 | FcPatternGetDouble (pat, FC_DPI, 0, &oldsettings.dpi); | |
627 | ||
f904c0f9 | 628 | if ((settings->seen & SEEN_AA) != 0 && oldsettings.aa != settings->aa) |
637fa988 JD |
629 | { |
630 | FcPatternDel (pat, FC_ANTIALIAS); | |
f904c0f9 | 631 | FcPatternAddBool (pat, FC_ANTIALIAS, settings->aa); |
637fa988 | 632 | ++changed; |
f904c0f9 | 633 | oldsettings.aa = settings->aa; |
637fa988 | 634 | } |
67477f30 | 635 | |
f904c0f9 JD |
636 | if ((settings->seen & SEEN_HINTING) != 0 |
637 | && oldsettings.hinting != settings->hinting) | |
637fa988 JD |
638 | { |
639 | FcPatternDel (pat, FC_HINTING); | |
f904c0f9 | 640 | FcPatternAddBool (pat, FC_HINTING, settings->hinting); |
637fa988 | 641 | ++changed; |
f904c0f9 | 642 | oldsettings.hinting = settings->hinting; |
637fa988 | 643 | } |
f904c0f9 | 644 | if ((settings->seen & SEEN_RGBA) != 0 && oldsettings.rgba != settings->rgba) |
637fa988 JD |
645 | { |
646 | FcPatternDel (pat, FC_RGBA); | |
f904c0f9 JD |
647 | FcPatternAddInteger (pat, FC_RGBA, settings->rgba); |
648 | oldsettings.rgba = settings->rgba; | |
637fa988 JD |
649 | ++changed; |
650 | } | |
67477f30 | 651 | |
a6eb20d8 | 652 | /* Older fontconfig versions don't have FC_LCD_FILTER. */ |
f904c0f9 JD |
653 | if ((settings->seen & SEEN_LCDFILTER) != 0 |
654 | && oldsettings.lcdfilter != settings->lcdfilter) | |
637fa988 JD |
655 | { |
656 | FcPatternDel (pat, FC_LCD_FILTER); | |
f904c0f9 | 657 | FcPatternAddInteger (pat, FC_LCD_FILTER, settings->lcdfilter); |
637fa988 | 658 | ++changed; |
f904c0f9 | 659 | oldsettings.lcdfilter = settings->lcdfilter; |
637fa988 | 660 | } |
67477f30 | 661 | |
869795d6 | 662 | #ifdef FC_HINT_STYLE |
f904c0f9 JD |
663 | if ((settings->seen & SEEN_HINTSTYLE) != 0 |
664 | && oldsettings.hintstyle != settings->hintstyle) | |
637fa988 JD |
665 | { |
666 | FcPatternDel (pat, FC_HINT_STYLE); | |
f904c0f9 | 667 | FcPatternAddInteger (pat, FC_HINT_STYLE, settings->hintstyle); |
637fa988 | 668 | ++changed; |
f904c0f9 | 669 | oldsettings.hintstyle = settings->hintstyle; |
637fa988 | 670 | } |
869795d6 | 671 | #endif |
67477f30 | 672 | |
f904c0f9 JD |
673 | if ((settings->seen & SEEN_DPI) != 0 && oldsettings.dpi != settings->dpi |
674 | && settings->dpi > 0) | |
637fa988 JD |
675 | { |
676 | Lisp_Object frame, tail; | |
677 | ||
678 | FcPatternDel (pat, FC_DPI); | |
f904c0f9 | 679 | FcPatternAddDouble (pat, FC_DPI, settings->dpi); |
637fa988 | 680 | ++changed; |
f904c0f9 | 681 | oldsettings.dpi = settings->dpi; |
af59aa6e | 682 | |
637fa988 | 683 | /* Change the DPI on this display and all frames on the display. */ |
f904c0f9 | 684 | dpyinfo->resy = dpyinfo->resx = settings->dpi; |
637fa988 JD |
685 | FOR_EACH_FRAME (tail, frame) |
686 | if (FRAME_X_P (XFRAME (frame)) | |
687 | && FRAME_X_DISPLAY_INFO (XFRAME (frame)) == dpyinfo) | |
f904c0f9 | 688 | XFRAME (frame)->resy = XFRAME (frame)->resx = settings->dpi; |
637fa988 JD |
689 | } |
690 | ||
691 | if (changed) | |
692 | { | |
aaafe47a PE |
693 | static char const format[] = |
694 | "Antialias: %d, Hinting: %d, RGBA: %d, LCDFilter: %d, " | |
695 | "Hintstyle: %d, DPI: %lf"; | |
696 | enum | |
697 | { | |
698 | d_formats = 5, | |
699 | d_growth = INT_BUFSIZE_BOUND (int) - sizeof "%d", | |
700 | lf_formats = 1, | |
701 | max_f_integer_digits = DBL_MAX_10_EXP + 1, | |
702 | f_precision = 6, | |
703 | lf_growth = (sizeof "-." + max_f_integer_digits + f_precision | |
704 | - sizeof "%lf") | |
705 | }; | |
706 | char buf[sizeof format + d_formats * d_growth + lf_formats * lf_growth]; | |
707 | ||
637fa988 JD |
708 | XftDefaultSet (dpyinfo->display, pat); |
709 | if (send_event_p) | |
f904c0f9 JD |
710 | store_config_changed_event (Qfont_render, |
711 | XCAR (dpyinfo->name_list_element)); | |
0328b6de | 712 | Vxft_settings |
a8290ec3 DA |
713 | = make_formatted_string (buf, format, |
714 | oldsettings.aa, oldsettings.hinting, | |
715 | oldsettings.rgba, oldsettings.lcdfilter, | |
716 | oldsettings.hintstyle, oldsettings.dpi); | |
0328b6de | 717 | |
637fa988 JD |
718 | } |
719 | else | |
720 | FcPatternDestroy (pat); | |
f904c0f9 | 721 | #endif /* HAVE_XFT */ |
637fa988 JD |
722 | } |
723 | ||
869795d6 JD |
724 | /* Read XSettings from the display for DPYINFO. |
725 | If SEND_EVENT_P is non-zero store a Lisp event settings that changed. */ | |
726 | ||
f904c0f9 | 727 | static void |
971de7fb | 728 | read_and_apply_settings (struct x_display_info *dpyinfo, int send_event_p) |
f904c0f9 JD |
729 | { |
730 | struct xsettings settings; | |
f904c0f9 JD |
731 | |
732 | if (!read_settings (dpyinfo, &settings)) | |
733 | return; | |
734 | ||
735 | apply_xft_settings (dpyinfo, True, &settings); | |
736 | if (settings.seen & SEEN_TB_STYLE) | |
737 | { | |
869795d6 JD |
738 | if (send_event_p) |
739 | store_tool_bar_style_changed (settings.tb_style, dpyinfo); | |
740 | else | |
741 | current_tool_bar_style = map_tool_bar_style (settings.tb_style); | |
baad03f0 | 742 | xfree (settings.tb_style); |
f904c0f9 | 743 | } |
869795d6 | 744 | #ifdef HAVE_XFT |
f904c0f9 JD |
745 | if (settings.seen & SEEN_FONT) |
746 | { | |
869795d6 JD |
747 | if (send_event_p) |
748 | store_font_name_changed (settings.font); | |
749 | else | |
f904c0f9 | 750 | { |
baad03f0 | 751 | xfree (current_font); |
869795d6 | 752 | current_font = xstrdup (settings.font); |
f904c0f9 | 753 | } |
869795d6 | 754 | xfree (settings.font); |
f904c0f9 | 755 | } |
869795d6 | 756 | #endif |
f904c0f9 | 757 | } |
637fa988 | 758 | |
869795d6 JD |
759 | /* Check if EVENT for the display in DPYINFO is XSettings related. */ |
760 | ||
637fa988 | 761 | void |
971de7fb | 762 | xft_settings_event (struct x_display_info *dpyinfo, XEvent *event) |
637fa988 | 763 | { |
637fa988 | 764 | int check_window_p = 0; |
f904c0f9 | 765 | int apply_settings = 0; |
637fa988 JD |
766 | |
767 | switch (event->type) | |
768 | { | |
769 | case DestroyNotify: | |
770 | if (dpyinfo->xsettings_window == event->xany.window) | |
771 | check_window_p = 1; | |
772 | break; | |
773 | ||
774 | case ClientMessage: | |
775 | if (event->xclient.message_type == dpyinfo->Xatom_xsettings_mgr | |
776 | && event->xclient.data.l[1] == dpyinfo->Xatom_xsettings_sel | |
777 | && event->xclient.window == dpyinfo->root_window) | |
778 | check_window_p = 1; | |
779 | break; | |
780 | ||
781 | case PropertyNotify: | |
782 | if (event->xproperty.window == dpyinfo->xsettings_window | |
783 | && event->xproperty.state == PropertyNewValue | |
784 | && event->xproperty.atom == dpyinfo->Xatom_xsettings_prop) | |
f904c0f9 | 785 | apply_settings = 1; |
637fa988 JD |
786 | break; |
787 | } | |
788 | ||
f904c0f9 | 789 | |
637fa988 JD |
790 | if (check_window_p) |
791 | { | |
792 | dpyinfo->xsettings_window = None; | |
793 | get_prop_window (dpyinfo); | |
794 | if (dpyinfo->xsettings_window != None) | |
f904c0f9 | 795 | apply_settings = 1; |
637fa988 | 796 | } |
f904c0f9 JD |
797 | |
798 | if (apply_settings) | |
799 | read_and_apply_settings (dpyinfo, True); | |
637fa988 JD |
800 | } |
801 | ||
869795d6 | 802 | /* Initialize GSettings and read startup values. */ |
637fa988 | 803 | |
9851bfc5 JD |
804 | static void |
805 | init_gsettings (void) | |
806 | { | |
807 | #ifdef HAVE_GSETTINGS | |
808 | GVariant *val; | |
0949d2b6 JD |
809 | const gchar *const *schemas; |
810 | int schema_found = 0; | |
811 | ||
9851bfc5 JD |
812 | #ifdef HAVE_G_TYPE_INIT |
813 | g_type_init (); | |
814 | #endif | |
815 | ||
5e617bc2 | 816 | schemas = g_settings_list_schemas (); |
0949d2b6 JD |
817 | if (schemas == NULL) return; |
818 | while (! schema_found && *schemas != NULL) | |
819 | schema_found = strcmp (*schemas++, GSETTINGS_SCHEMA) == 0; | |
820 | if (!schema_found) return; | |
821 | ||
9851bfc5 JD |
822 | gsettings_client = g_settings_new (GSETTINGS_SCHEMA); |
823 | if (!gsettings_client) return; | |
824 | g_object_ref_sink (G_OBJECT (gsettings_client)); | |
869795d6 JD |
825 | g_signal_connect (G_OBJECT (gsettings_client), "changed", |
826 | G_CALLBACK (something_changed_gsettingsCB), NULL); | |
827 | ||
828 | val = g_settings_get_value (gsettings_client, GSETTINGS_TOOL_BAR_STYLE); | |
829 | if (val) | |
830 | { | |
831 | g_variant_ref_sink (val); | |
832 | if (g_variant_is_of_type (val, G_VARIANT_TYPE_STRING)) | |
833 | current_tool_bar_style | |
834 | = map_tool_bar_style (g_variant_get_string (val, NULL)); | |
835 | g_variant_unref (val); | |
836 | } | |
9851bfc5 | 837 | |
869795d6 JD |
838 | #ifdef HAVE_XFT |
839 | val = g_settings_get_value (gsettings_client, GSETTINGS_MONO_FONT); | |
2e13213d | 840 | if (val) |
9851bfc5 JD |
841 | { |
842 | g_variant_ref_sink (val); | |
843 | if (g_variant_is_of_type (val, G_VARIANT_TYPE_STRING)) | |
844 | current_mono_font = xstrdup (g_variant_get_string (val, NULL)); | |
845 | g_variant_unref (val); | |
846 | } | |
847 | ||
869795d6 JD |
848 | val = g_settings_get_value (gsettings_client, GSETTINGS_FONT_NAME); |
849 | if (val) | |
850 | { | |
851 | g_variant_ref_sink (val); | |
852 | if (g_variant_is_of_type (val, G_VARIANT_TYPE_STRING)) | |
853 | current_font = xstrdup (g_variant_get_string (val, NULL)); | |
854 | g_variant_unref (val); | |
855 | } | |
856 | #endif /* HAVE_XFT */ | |
857 | ||
9851bfc5 JD |
858 | #endif /* HAVE_GSETTINGS */ |
859 | } | |
860 | ||
869795d6 | 861 | /* Init GConf and read startup values. */ |
9851bfc5 | 862 | |
637fa988 | 863 | static void |
971de7fb | 864 | init_gconf (void) |
637fa988 | 865 | { |
869795d6 | 866 | #if defined (HAVE_GCONF) |
637fa988 | 867 | char *s; |
637fa988 | 868 | |
1e600395 | 869 | #ifdef HAVE_G_TYPE_INIT |
637fa988 | 870 | g_type_init (); |
1e600395 | 871 | #endif |
869795d6 | 872 | |
637fa988 | 873 | gconf_client = gconf_client_get_default (); |
869795d6 JD |
874 | gconf_client_set_error_handling (gconf_client, GCONF_CLIENT_HANDLE_NONE); |
875 | gconf_client_add_dir (gconf_client, | |
876 | GCONF_TOOL_BAR_STYLE, | |
877 | GCONF_CLIENT_PRELOAD_ONELEVEL, | |
878 | NULL); | |
879 | gconf_client_notify_add (gconf_client, | |
880 | GCONF_TOOL_BAR_STYLE, | |
881 | something_changed_gconfCB, | |
882 | NULL, NULL, NULL); | |
883 | ||
884 | s = gconf_client_get_string (gconf_client, GCONF_TOOL_BAR_STYLE, NULL); | |
885 | if (s) | |
886 | { | |
887 | current_tool_bar_style = map_tool_bar_style (s); | |
888 | g_free (s); | |
889 | } | |
890 | ||
891 | #ifdef HAVE_XFT | |
892 | s = gconf_client_get_string (gconf_client, GCONF_MONO_FONT, NULL); | |
637fa988 JD |
893 | if (s) |
894 | { | |
895 | current_mono_font = xstrdup (s); | |
896 | g_free (s); | |
897 | } | |
869795d6 | 898 | s = gconf_client_get_string (gconf_client, GCONF_FONT_NAME, NULL); |
99852628 JD |
899 | if (s) |
900 | { | |
901 | current_font = xstrdup (s); | |
902 | g_free (s); | |
903 | } | |
637fa988 | 904 | gconf_client_add_dir (gconf_client, |
869795d6 | 905 | GCONF_MONO_FONT, |
637fa988 JD |
906 | GCONF_CLIENT_PRELOAD_ONELEVEL, |
907 | NULL); | |
908 | gconf_client_notify_add (gconf_client, | |
869795d6 JD |
909 | GCONF_MONO_FONT, |
910 | something_changed_gconfCB, | |
637fa988 | 911 | NULL, NULL, NULL); |
869795d6 JD |
912 | gconf_client_add_dir (gconf_client, |
913 | GCONF_FONT_NAME, | |
914 | GCONF_CLIENT_PRELOAD_ONELEVEL, | |
915 | NULL); | |
916 | gconf_client_notify_add (gconf_client, | |
917 | GCONF_FONT_NAME, | |
918 | something_changed_gconfCB, | |
919 | NULL, NULL, NULL); | |
920 | #endif /* HAVE_XFT */ | |
921 | #endif /* HAVE_GCONF */ | |
637fa988 JD |
922 | } |
923 | ||
869795d6 JD |
924 | /* Init Xsettings and read startup values. */ |
925 | ||
637fa988 | 926 | static void |
971de7fb | 927 | init_xsettings (struct x_display_info *dpyinfo) |
637fa988 | 928 | { |
637fa988 JD |
929 | Display *dpy = dpyinfo->display; |
930 | ||
4d7e6e51 | 931 | block_input (); |
637fa988 | 932 | |
637fa988 JD |
933 | /* Select events so we can detect client messages sent when selection |
934 | owner changes. */ | |
935 | XSelectInput (dpy, dpyinfo->root_window, StructureNotifyMask); | |
936 | ||
937 | get_prop_window (dpyinfo); | |
938 | if (dpyinfo->xsettings_window != None) | |
f904c0f9 | 939 | read_and_apply_settings (dpyinfo, False); |
637fa988 | 940 | |
4d7e6e51 | 941 | unblock_input (); |
637fa988 JD |
942 | } |
943 | ||
944 | void | |
971de7fb | 945 | xsettings_initialize (struct x_display_info *dpyinfo) |
637fa988 JD |
946 | { |
947 | if (first_dpyinfo == NULL) first_dpyinfo = dpyinfo; | |
948 | init_gconf (); | |
f904c0f9 | 949 | init_xsettings (dpyinfo); |
869795d6 | 950 | init_gsettings (); |
637fa988 JD |
951 | } |
952 | ||
869795d6 JD |
953 | /* Return the system monospaced font. |
954 | May be NULL if not known. */ | |
955 | ||
0d1d0d26 | 956 | const char * |
971de7fb | 957 | xsettings_get_system_font (void) |
0d1d0d26 JD |
958 | { |
959 | return current_mono_font; | |
960 | } | |
637fa988 | 961 | |
e87b6180 | 962 | #ifdef USE_LUCID |
869795d6 JD |
963 | /* Return the system font. |
964 | May be NULL if not known. */ | |
965 | ||
99852628 | 966 | const char * |
971de7fb | 967 | xsettings_get_system_normal_font (void) |
99852628 JD |
968 | { |
969 | return current_font; | |
970 | } | |
e87b6180 | 971 | #endif |
99852628 JD |
972 | |
973 | DEFUN ("font-get-system-normal-font", Ffont_get_system_normal_font, | |
974 | Sfont_get_system_normal_font, | |
975 | 0, 0, 0, | |
bf935339 | 976 | doc: /* Get the system default application font. */) |
5842a27b | 977 | (void) |
99852628 | 978 | { |
2674ddc8 | 979 | return current_font ? build_string (current_font) : Qnil; |
99852628 JD |
980 | } |
981 | ||
637fa988 JD |
982 | DEFUN ("font-get-system-font", Ffont_get_system_font, Sfont_get_system_font, |
983 | 0, 0, 0, | |
bf935339 | 984 | doc: /* Get the system default fixed width font. */) |
5842a27b | 985 | (void) |
637fa988 | 986 | { |
2674ddc8 | 987 | return current_mono_font ? build_string (current_mono_font) : Qnil; |
637fa988 JD |
988 | } |
989 | ||
a7ca3326 | 990 | DEFUN ("tool-bar-get-system-style", Ftool_bar_get_system_style, |
16a97296 | 991 | Stool_bar_get_system_style, 0, 0, 0, |
f904c0f9 | 992 | doc: /* Get the system tool bar style. |
4721152c | 993 | If no system tool bar style is known, return `tool-bar-style' if set to a |
f904c0f9 | 994 | known style. Otherwise return image. */) |
5842a27b | 995 | (void) |
f904c0f9 JD |
996 | { |
997 | if (EQ (Vtool_bar_style, Qimage) | |
998 | || EQ (Vtool_bar_style, Qtext) | |
999 | || EQ (Vtool_bar_style, Qboth) | |
8a52f00a JD |
1000 | || EQ (Vtool_bar_style, Qboth_horiz) |
1001 | || EQ (Vtool_bar_style, Qtext_image_horiz)) | |
f904c0f9 JD |
1002 | return Vtool_bar_style; |
1003 | if (!NILP (current_tool_bar_style)) | |
1004 | return current_tool_bar_style; | |
1005 | return Qimage; | |
1006 | } | |
1007 | ||
637fa988 | 1008 | void |
971de7fb | 1009 | syms_of_xsettings (void) |
637fa988 JD |
1010 | { |
1011 | current_mono_font = NULL; | |
99852628 | 1012 | current_font = NULL; |
637fa988 | 1013 | first_dpyinfo = NULL; |
9851bfc5 JD |
1014 | #ifdef HAVE_GSETTINGS |
1015 | gsettings_client = NULL; | |
869795d6 | 1016 | #endif |
637fa988 JD |
1017 | #ifdef HAVE_GCONF |
1018 | gconf_client = NULL; | |
1019 | #endif | |
1020 | ||
cd3520a4 JB |
1021 | DEFSYM (Qmonospace_font_name, "monospace-font-name"); |
1022 | DEFSYM (Qfont_name, "font-name"); | |
1023 | DEFSYM (Qfont_render, "font-render"); | |
637fa988 | 1024 | defsubr (&Sfont_get_system_font); |
99852628 | 1025 | defsubr (&Sfont_get_system_normal_font); |
637fa988 | 1026 | |
29208e82 | 1027 | DEFVAR_BOOL ("font-use-system-font", use_system_font, |
fb7ada5f | 1028 | doc: /* Non-nil means to apply the system defined font dynamically. |
bf935339 J |
1029 | When this is non-nil and the system defined fixed width font changes, we |
1030 | update frames dynamically. | |
1031 | If this variable is nil, Emacs ignores system font changes. */); | |
dfb3c4c6 JD |
1032 | use_system_font = 0; |
1033 | ||
29208e82 | 1034 | DEFVAR_LISP ("xft-settings", Vxft_settings, |
67477f30 | 1035 | doc: /* Font settings applied to Xft. */); |
4a7edc24 | 1036 | Vxft_settings = empty_unibyte_string; |
67477f30 | 1037 | |
0d1d0d26 JD |
1038 | #ifdef HAVE_XFT |
1039 | Fprovide (intern_c_string ("font-render-setting"), Qnil); | |
9851bfc5 | 1040 | #if defined (HAVE_GCONF) || defined (HAVE_GSETTINGS) |
637fa988 JD |
1041 | Fprovide (intern_c_string ("system-font-setting"), Qnil); |
1042 | #endif | |
637fa988 | 1043 | #endif |
f904c0f9 JD |
1044 | |
1045 | current_tool_bar_style = Qnil; | |
cd3520a4 | 1046 | DEFSYM (Qtool_bar_style, "tool-bar-style"); |
f904c0f9 JD |
1047 | defsubr (&Stool_bar_get_system_style); |
1048 | ||
1049 | Fprovide (intern_c_string ("dynamic-setting"), Qnil); | |
637fa988 | 1050 | } |