Various cleanups of event.c
[mikachu/openbox.git] / openbox / prop.c
1 /* -*- indent-tabs-mode: nil; tab-width: 4; c-basic-offset: 4; -*-
2
3    prop.c for the Openbox window manager
4    Copyright (c) 2006        Mikael Magnusson
5    Copyright (c) 2003-2007   Dana Jansens
6
7    This program 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 2 of the License, or
10    (at your option) any later version.
11
12    This program 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    See the COPYING file for a copy of the GNU General Public License.
18 */
19
20 #include "prop.h"
21 #include "openbox.h"
22
23 #include <X11/Xatom.h>
24
25 Atoms prop_atoms;
26
27 #define CREATE(var, name) (prop_atoms.var = \
28                            XInternAtom(ob_display, name, FALSE))
29
30 void prop_startup(void)
31 {
32     CREATE(cardinal, "CARDINAL");
33     CREATE(window, "WINDOW");
34     CREATE(pixmap, "PIXMAP");
35     CREATE(atom, "ATOM");
36     CREATE(string, "STRING");
37     CREATE(utf8, "UTF8_STRING");
38
39     CREATE(manager, "MANAGER");
40
41     CREATE(wm_colormap_windows, "WM_COLORMAP_WINDOWS");
42     CREATE(wm_protocols, "WM_PROTOCOLS");
43     CREATE(wm_state, "WM_STATE");
44     CREATE(wm_change_state, "WM_CHANGE_STATE");
45     CREATE(wm_delete_window, "WM_DELETE_WINDOW");
46     CREATE(wm_take_focus, "WM_TAKE_FOCUS");
47     CREATE(wm_name, "WM_NAME");
48     CREATE(wm_icon_name, "WM_ICON_NAME");
49     CREATE(wm_class, "WM_CLASS");
50     CREATE(wm_window_role, "WM_WINDOW_ROLE");
51     CREATE(wm_client_machine, "WM_CLIENT_MACHINE");
52     CREATE(wm_command, "WM_COMMAND");
53     CREATE(wm_client_leader, "WM_CLIENT_LEADER");
54     CREATE(wm_transient_for, "WM_TRANSIENT_FOR");
55     CREATE(motif_wm_hints, "_MOTIF_WM_HINTS");
56
57     CREATE(sm_client_id, "SM_CLIENT_ID");
58
59     CREATE(net_wm_full_placement, "_NET_WM_FULL_PLACEMENT");
60
61     CREATE(net_supported, "_NET_SUPPORTED");
62     CREATE(net_client_list, "_NET_CLIENT_LIST");
63     CREATE(net_client_list_stacking, "_NET_CLIENT_LIST_STACKING");
64     CREATE(net_number_of_desktops, "_NET_NUMBER_OF_DESKTOPS");
65     CREATE(net_desktop_geometry, "_NET_DESKTOP_GEOMETRY");
66     CREATE(net_desktop_viewport, "_NET_DESKTOP_VIEWPORT");
67     CREATE(net_current_desktop, "_NET_CURRENT_DESKTOP");
68     CREATE(net_desktop_names, "_NET_DESKTOP_NAMES");
69     CREATE(net_active_window, "_NET_ACTIVE_WINDOW");
70 /*    CREATE(net_restack_window, "_NET_RESTACK_WINDOW");*/
71     CREATE(net_workarea, "_NET_WORKAREA");
72     CREATE(net_supporting_wm_check, "_NET_SUPPORTING_WM_CHECK");
73     CREATE(net_desktop_layout, "_NET_DESKTOP_LAYOUT");
74     CREATE(net_showing_desktop, "_NET_SHOWING_DESKTOP");
75
76     CREATE(net_close_window, "_NET_CLOSE_WINDOW");
77     CREATE(net_wm_moveresize, "_NET_WM_MOVERESIZE");
78     CREATE(net_moveresize_window, "_NET_MOVERESIZE_WINDOW");
79     CREATE(net_request_frame_extents, "_NET_REQUEST_FRAME_EXTENTS");
80     CREATE(net_restack_window, "_NET_RESTACK_WINDOW");
81
82     CREATE(net_startup_id, "_NET_STARTUP_ID");
83
84     CREATE(net_wm_name, "_NET_WM_NAME");
85     CREATE(net_wm_visible_name, "_NET_WM_VISIBLE_NAME");
86     CREATE(net_wm_icon_name, "_NET_WM_ICON_NAME");
87     CREATE(net_wm_visible_icon_name, "_NET_WM_VISIBLE_ICON_NAME");
88     CREATE(net_wm_desktop, "_NET_WM_DESKTOP");
89     CREATE(net_wm_window_type, "_NET_WM_WINDOW_TYPE");
90     CREATE(net_wm_state, "_NET_WM_STATE");
91     CREATE(net_wm_strut, "_NET_WM_STRUT");
92     CREATE(net_wm_strut_partial, "_NET_WM_STRUT_PARTIAL");
93     CREATE(net_wm_icon, "_NET_WM_ICON");
94     CREATE(net_wm_icon_geometry, "_NET_WM_ICON_GEOMETRY");
95     CREATE(net_wm_pid, "_NET_WM_PID");
96     CREATE(net_wm_allowed_actions, "_NET_WM_ALLOWED_ACTIONS");
97     CREATE(net_wm_user_time, "_NET_WM_USER_TIME");
98 /*    CREATE(net_wm_user_time_window, "_NET_WM_USER_TIME_WINDOW"); */
99     CREATE(kde_net_wm_frame_strut, "_KDE_NET_WM_FRAME_STRUT");
100     CREATE(net_frame_extents, "_NET_FRAME_EXTENTS");
101
102     CREATE(net_wm_ping, "_NET_WM_PING");
103 #ifdef SYNC
104     CREATE(net_wm_sync_request, "_NET_WM_SYNC_REQUEST");
105     CREATE(net_wm_sync_request_counter, "_NET_WM_SYNC_REQUEST_COUNTER");
106 #endif
107
108     CREATE(net_wm_window_type_desktop, "_NET_WM_WINDOW_TYPE_DESKTOP");
109     CREATE(net_wm_window_type_dock, "_NET_WM_WINDOW_TYPE_DOCK");
110     CREATE(net_wm_window_type_toolbar, "_NET_WM_WINDOW_TYPE_TOOLBAR");
111     CREATE(net_wm_window_type_menu, "_NET_WM_WINDOW_TYPE_MENU");
112     CREATE(net_wm_window_type_utility, "_NET_WM_WINDOW_TYPE_UTILITY");
113     CREATE(net_wm_window_type_splash, "_NET_WM_WINDOW_TYPE_SPLASH");
114     CREATE(net_wm_window_type_dialog, "_NET_WM_WINDOW_TYPE_DIALOG");
115     CREATE(net_wm_window_type_normal, "_NET_WM_WINDOW_TYPE_NORMAL");
116     CREATE(net_wm_window_type_popup_menu, "_NET_WM_WINDOW_TYPE_POPUP_MENU");
117
118     prop_atoms.net_wm_moveresize_size_topleft = 0;
119     prop_atoms.net_wm_moveresize_size_top = 1;
120     prop_atoms.net_wm_moveresize_size_topright = 2;
121     prop_atoms.net_wm_moveresize_size_right = 3;
122     prop_atoms.net_wm_moveresize_size_bottomright = 4;
123     prop_atoms.net_wm_moveresize_size_bottom = 5;
124     prop_atoms.net_wm_moveresize_size_bottomleft = 6;
125     prop_atoms.net_wm_moveresize_size_left = 7;
126     prop_atoms.net_wm_moveresize_move = 8;
127     prop_atoms.net_wm_moveresize_size_keyboard = 9;
128     prop_atoms.net_wm_moveresize_move_keyboard = 10;
129     prop_atoms.net_wm_moveresize_cancel = 11;
130
131     CREATE(net_wm_action_move, "_NET_WM_ACTION_MOVE");
132     CREATE(net_wm_action_resize, "_NET_WM_ACTION_RESIZE");
133     CREATE(net_wm_action_minimize, "_NET_WM_ACTION_MINIMIZE");
134     CREATE(net_wm_action_shade, "_NET_WM_ACTION_SHADE");
135     CREATE(net_wm_action_maximize_horz, "_NET_WM_ACTION_MAXIMIZE_HORZ");
136     CREATE(net_wm_action_maximize_vert, "_NET_WM_ACTION_MAXIMIZE_VERT");
137     CREATE(net_wm_action_fullscreen, "_NET_WM_ACTION_FULLSCREEN");
138     CREATE(net_wm_action_change_desktop, "_NET_WM_ACTION_CHANGE_DESKTOP");
139     CREATE(net_wm_action_close, "_NET_WM_ACTION_CLOSE");
140     CREATE(net_wm_action_above, "_NET_WM_ACTION_ABOVE");
141     CREATE(net_wm_action_below, "_NET_WM_ACTION_BELOW");
142
143     CREATE(net_wm_state_modal, "_NET_WM_STATE_MODAL");
144 /*    CREATE(net_wm_state_sticky, "_NET_WM_STATE_STICKY");*/
145     CREATE(net_wm_state_maximized_vert, "_NET_WM_STATE_MAXIMIZED_VERT");
146     CREATE(net_wm_state_maximized_horz, "_NET_WM_STATE_MAXIMIZED_HORZ");
147     CREATE(net_wm_state_shaded, "_NET_WM_STATE_SHADED");
148     CREATE(net_wm_state_skip_taskbar, "_NET_WM_STATE_SKIP_TASKBAR");
149     CREATE(net_wm_state_skip_pager, "_NET_WM_STATE_SKIP_PAGER");
150     CREATE(net_wm_state_hidden, "_NET_WM_STATE_HIDDEN");
151     CREATE(net_wm_state_fullscreen, "_NET_WM_STATE_FULLSCREEN");
152     CREATE(net_wm_state_above, "_NET_WM_STATE_ABOVE");
153     CREATE(net_wm_state_below, "_NET_WM_STATE_BELOW");
154     CREATE(net_wm_state_demands_attention, "_NET_WM_STATE_DEMANDS_ATTENTION");
155
156     prop_atoms.net_wm_state_add = 1;
157     prop_atoms.net_wm_state_remove = 0;
158     prop_atoms.net_wm_state_toggle = 2;
159
160     prop_atoms.net_wm_orientation_horz = 0;
161     prop_atoms.net_wm_orientation_vert = 1;
162     prop_atoms.net_wm_topleft = 0;
163     prop_atoms.net_wm_topright = 1;
164     prop_atoms.net_wm_bottomright = 2;
165     prop_atoms.net_wm_bottomleft = 3;
166
167     CREATE(kde_wm_change_state, "_KDE_WM_CHANGE_STATE");
168     CREATE(kde_net_wm_window_type_override,"_KDE_NET_WM_WINDOW_TYPE_OVERRIDE");
169
170 /*
171     CREATE(rootpmapid, "_XROOTPMAP_ID");
172     CREATE(esetrootid, "ESETROOT_PMAP_ID");
173 */
174
175     CREATE(openbox_pid, "_OPENBOX_PID");
176     CREATE(ob_theme, "_OB_THEME");
177     CREATE(ob_config_file, "_OB_CONFIG_FILE");
178     CREATE(ob_wm_action_undecorate, "_OB_WM_ACTION_UNDECORATE");
179     CREATE(ob_wm_state_undecorated, "_OB_WM_STATE_UNDECORATED");
180     CREATE(ob_control, "_OB_CONTROL");
181 }
182
183 #include <X11/Xutil.h>
184 #include <glib.h>
185 #include <string.h>
186
187 /* this just isn't used... and it also breaks on 64bit, watch out
188 static gboolean get(Window win, Atom prop, Atom type, gint size,
189                     guchar **data, gulong num)
190 {
191     gboolean ret = FALSE;
192     gint res;
193     guchar *xdata = NULL;
194     Atom ret_type;
195     gint ret_size;
196     gulong ret_items, bytes_left;
197     glong num32 = 32 / size * num; /\* num in 32-bit elements *\/
198
199     res = XGetWindowProperty(display, win, prop, 0l, num32,
200                              FALSE, type, &ret_type, &ret_size,
201                              &ret_items, &bytes_left, &xdata);
202     if (res == Success && ret_items && xdata) {
203         if (ret_size == size && ret_items >= num) {
204             *data = g_memdup(xdata, num * (size / 8));
205             ret = TRUE;
206         }
207         XFree(xdata);
208     }
209     return ret;
210 }
211 */
212
213 static gboolean get_prealloc(Window win, Atom prop, Atom type, gint size,
214                              guchar *data, gulong num)
215 {
216     gboolean ret = FALSE;
217     gint res;
218     guchar *xdata = NULL;
219     Atom ret_type;
220     gint ret_size;
221     gulong ret_items, bytes_left;
222     glong num32 = 32 / size * num; /* num in 32-bit elements */
223
224     res = XGetWindowProperty(ob_display, win, prop, 0l, num32,
225                              FALSE, type, &ret_type, &ret_size,
226                              &ret_items, &bytes_left, &xdata);
227     if (res == Success && ret_items && xdata) {
228         if (ret_size == size && ret_items >= num) {
229             guint i;
230             for (i = 0; i < num; ++i)
231                 switch (size) {
232                 case 8:
233                     data[i] = xdata[i];
234                     break;
235                 case 16:
236                     ((guint16*)data)[i] = ((gushort*)xdata)[i];
237                     break;
238                 case 32:
239                     ((guint32*)data)[i] = ((gulong*)xdata)[i];
240                     break;
241                 default:
242                     g_assert_not_reached(); /* unhandled size */
243                 }
244             ret = TRUE;
245         }
246         XFree(xdata);
247     }
248     return ret;
249 }
250
251 static gboolean get_all(Window win, Atom prop, Atom type, gint size,
252                         guchar **data, guint *num)
253 {
254     gboolean ret = FALSE;
255     gint res;
256     guchar *xdata = NULL;
257     Atom ret_type;
258     gint ret_size;
259     gulong ret_items, bytes_left;
260
261     res = XGetWindowProperty(ob_display, win, prop, 0l, G_MAXLONG,
262                              FALSE, type, &ret_type, &ret_size,
263                              &ret_items, &bytes_left, &xdata);
264     if (res == Success) {
265         if (ret_size == size && ret_items > 0) {
266             guint i;
267
268             *data = g_malloc(ret_items * (size / 8));
269             for (i = 0; i < ret_items; ++i)
270                 switch (size) {
271                 case 8:
272                     (*data)[i] = xdata[i];
273                     break;
274                 case 16:
275                     ((guint16*)*data)[i] = ((gushort*)xdata)[i];
276                     break;
277                 case 32:
278                     ((guint32*)*data)[i] = ((gulong*)xdata)[i];
279                     break;
280                 default:
281                     g_assert_not_reached(); /* unhandled size */
282                 }
283             *num = ret_items;
284             ret = TRUE;
285         }
286         XFree(xdata);
287     }
288     return ret;
289 }
290
291 static gboolean get_stringlist(Window win, Atom prop, gchar ***list, gint *nstr)
292 {
293     XTextProperty tprop;
294     gboolean ret = FALSE;
295
296     if (XGetTextProperty(ob_display, win, &tprop, prop) && tprop.nitems) {
297         if (XTextPropertyToStringList(&tprop, list, nstr))
298             ret = TRUE;
299         XFree(tprop.value);
300     }
301     return ret;
302 }
303
304 gboolean prop_get32(Window win, Atom prop, Atom type, guint32 *ret)
305 {
306     return get_prealloc(win, prop, type, 32, (guchar*)ret, 1);
307 }
308
309 gboolean prop_get_array32(Window win, Atom prop, Atom type, guint32 **ret,
310                           guint *nret)
311 {
312     return get_all(win, prop, type, 32, (guchar**)ret, nret);
313 }
314
315 gboolean prop_get_string_locale(Window win, Atom prop, gchar **ret)
316 {
317     gchar **list;
318     gint nstr;
319     gchar *s;
320
321     if (get_stringlist(win, prop, &list, &nstr) && nstr) {
322         s = g_locale_to_utf8(list[0], -1, NULL, NULL, NULL);
323         XFreeStringList(list);
324         if (s) {
325             *ret = s;
326             return TRUE;
327         }
328     }
329     return FALSE;
330 }
331
332 gboolean prop_get_strings_locale(Window win, Atom prop, gchar ***ret)
333 {
334     GSList *strs = NULL, *it;
335     gchar *raw, *p;
336     guint num, i, count = 0;
337
338     if (get_all(win, prop, prop_atoms.string, 8, (guchar**)&raw, &num)) {
339
340         p = raw;
341         while (p < raw + num) {
342             ++count;
343             strs = g_slist_append(strs, p);
344             p += strlen(p) + 1; /* next string */
345         }
346
347         *ret = g_new0(gchar*, count + 1);
348         (*ret)[count] = NULL; /* null terminated list */
349
350         for (i = 0, it = strs; it; ++i, it = g_slist_next(it)) {
351             (*ret)[i] = g_locale_to_utf8(it->data, -1, NULL, NULL, NULL);
352             /* make sure translation did not fail */
353             if (!(*ret)[i])
354                 (*ret)[i] = g_strdup("");
355         }
356         g_free(raw);
357         g_slist_free(strs);
358         return TRUE;
359     }
360     return FALSE;
361 }
362
363 gboolean prop_get_string_utf8(Window win, Atom prop, gchar **ret)
364 {
365     gchar *raw;
366     gchar *str;
367     guint num;
368
369     if (get_all(win, prop, prop_atoms.utf8, 8, (guchar**)&raw, &num)) {
370         str = g_strndup(raw, num); /* grab the first string from the list */
371         g_free(raw);
372         if (g_utf8_validate(str, -1, NULL)) {
373             *ret = str;
374             return TRUE;
375         }
376         g_free(str);
377     }
378     return FALSE;
379 }
380
381 gboolean prop_get_strings_utf8(Window win, Atom prop, gchar ***ret)
382 {
383     GSList *strs = NULL, *it;
384     gchar *raw, *p;
385     guint num, i, count = 0;
386
387     if (get_all(win, prop, prop_atoms.utf8, 8, (guchar**)&raw, &num)) {
388
389         p = raw;
390         while (p < raw + num) {
391             ++count;
392             strs = g_slist_append(strs, p);
393             p += strlen(p) + 1; /* next string */
394         }
395
396         *ret = g_new0(gchar*, count + 1);
397
398         for (i = 0, it = strs; it; ++i, it = g_slist_next(it)) {
399             if (g_utf8_validate(it->data, -1, NULL))
400                 (*ret)[i] = g_strdup(it->data);
401             else
402                 (*ret)[i] = g_strdup("");
403         }
404         g_free(raw);
405         g_slist_free(strs);
406         return TRUE;
407     }
408     return FALSE;
409 }
410
411 void prop_set32(Window win, Atom prop, Atom type, gulong val)
412 {
413     XChangeProperty(ob_display, win, prop, type, 32, PropModeReplace,
414                     (guchar*)&val, 1);
415 }
416
417 void prop_set_array32(Window win, Atom prop, Atom type, gulong *val,
418                       guint num)
419 {
420     XChangeProperty(ob_display, win, prop, type, 32, PropModeReplace,
421                     (guchar*)val, num);
422 }
423
424 void prop_set_string_utf8(Window win, Atom prop, const gchar *val)
425 {
426     XChangeProperty(ob_display, win, prop, prop_atoms.utf8, 8,
427                     PropModeReplace, (const guchar*)val, strlen(val));
428 }
429
430 void prop_set_strings_utf8(Window win, Atom prop, gchar **strs)
431 {
432     GString *str;
433     gchar **s;
434
435     str = g_string_sized_new(0);
436     for (s = strs; *s; ++s) {
437         str = g_string_append(str, *s);
438         str = g_string_append_c(str, '\0');
439     }
440     XChangeProperty(ob_display, win, prop, prop_atoms.utf8, 8,
441                     PropModeReplace, (guchar*)str->str, str->len);
442     g_string_free(str, TRUE);
443 }
444
445 void prop_erase(Window win, Atom prop)
446 {
447     XDeleteProperty(ob_display, win, prop);
448 }
449
450 void prop_message(Window about, Atom messagetype, glong data0, glong data1,
451                   glong data2, glong data3, glong mask)
452 {
453     prop_message_to(RootWindow(ob_display, ob_screen), about, messagetype,
454                     data0, data1, data2, data3, 0, mask);
455 }
456
457 void prop_message_to(Window to, Window about, Atom messagetype,
458                      glong data0, glong data1, glong data2,
459                      glong data3, glong data4, glong mask)
460 {
461     XEvent ce;
462     ce.xclient.type = ClientMessage;
463     ce.xclient.message_type = messagetype;
464     ce.xclient.display = ob_display;
465     ce.xclient.window = about;
466     ce.xclient.format = 32;
467     ce.xclient.data.l[0] = data0;
468     ce.xclient.data.l[1] = data1;
469     ce.xclient.data.l[2] = data2;
470     ce.xclient.data.l[3] = data3;
471     ce.xclient.data.l[4] = data4;
472     XSendEvent(ob_display, to, FALSE, mask, &ce);
473 }