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fixed wrong env setup when setting background
[wmaker-crm.git] / src / wmspec.c
blob988bf44d3b7a9c9bf559044ba476b63f198cb639
1 /* wmspec.c-- support for the wm-spec Hints
2 *
3 * Window Maker window manager
4 *
5 * Copyright (c) 1998-2003 Alfredo K. Kojima
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 * You should have received a copy of the GNU General Public License
18 * along with this program; if not, write to the Free Software
19 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,
20 * USA.
21 */
22
23 /*
24 * TODO
25 * ----
26 *
27 * This file needs to be checked for all calls to XGetWindowProperty() and
28 * proper checks need to be made on the returned values. Only checking for
29 * return to be Success is not enough. -Dan
30 */
31
32 #include "wconfig.h"
33
34 #include <X11/Xlib.h>
35 #include <X11/Xatom.h>
36 #include <X11/Xarch.h>
37 #include <string.h>
38
39 #include "WindowMaker.h"
40 #include "window.h"
41 #include "screen.h"
42 #include "workspace.h"
43 #include "framewin.h"
44 #include "actions.h"
45 #include "client.h"
46 #include "wmspec.h"
47 #include "icon.h"
48 #include "stacking.h"
49 #include "xinerama.h"
50 #include "properties.h"
51
52 #ifdef DEBUG_WMSPEC
53 #include <stdio.h>
54 #endif
55
56 /* Global variables */
57 extern Atom _XA_WM_DELETE_WINDOW;
58 extern Time LastTimestamp;
59 extern WPreferences wPreferences;
60
61 /* Root Window Properties */
62 static Atom net_supported;
63 static Atom net_client_list;
64 static Atom net_client_list_stacking;
65 static Atom net_number_of_desktops;
66 static Atom net_desktop_geometry;
67 static Atom net_desktop_viewport;
68 static Atom net_current_desktop;
69 static Atom net_desktop_names;
70 static Atom net_active_window;
71 static Atom net_workarea; /* XXX: not xinerama compatible */
72 static Atom net_supporting_wm_check;
73 static Atom net_virtual_roots; /* N/A */
74 static Atom net_desktop_layout; /* XXX */
75 static Atom net_showing_desktop;
76
77 /* Other Root Window Messages */
78 static Atom net_close_window;
79 static Atom net_moveresize_window; /* TODO */
80 static Atom net_wm_moveresize; /* TODO */
81
82 /* Application Window Properties */
83 static Atom net_wm_name;
84 static Atom net_wm_visible_name; /* TODO (unnecessary?) */
85 static Atom net_wm_icon_name;
86 static Atom net_wm_visible_icon_name; /* TODO (unnecessary?) */
87 static Atom net_wm_desktop;
88 static Atom net_wm_window_type;
89 static Atom net_wm_window_type_desktop;
90 static Atom net_wm_window_type_dock;
91 static Atom net_wm_window_type_toolbar;
92 static Atom net_wm_window_type_menu;
93 static Atom net_wm_window_type_utility;
94 static Atom net_wm_window_type_splash;
95 static Atom net_wm_window_type_dialog;
96 static Atom net_wm_window_type_normal;
97 static Atom net_wm_state;
98 static Atom net_wm_state_modal; /* XXX: what is this?!? */
99 static Atom net_wm_state_sticky;
100 static Atom net_wm_state_maximized_vert;
101 static Atom net_wm_state_maximized_horz;
102 static Atom net_wm_state_shaded;
103 static Atom net_wm_state_skip_taskbar;
104 static Atom net_wm_state_skip_pager;
105 static Atom net_wm_state_hidden;
106 static Atom net_wm_state_fullscreen;
107 static Atom net_wm_state_above;
108 static Atom net_wm_state_below;
109 static Atom net_wm_allowed_actions;
110 static Atom net_wm_action_move;
111 static Atom net_wm_action_resize;
112 static Atom net_wm_action_minimize;
113 static Atom net_wm_action_shade;
114 static Atom net_wm_action_stick;
115 static Atom net_wm_action_maximize_horz;
116 static Atom net_wm_action_maximize_vert;
117 static Atom net_wm_action_fullscreen;
118 static Atom net_wm_action_change_desktop;
119 static Atom net_wm_action_close;
120 static Atom net_wm_strut; /* XXX: see net_workarea */
121 static Atom net_wm_strut_partial; /* TODO: doesn't really fit into the current strut scheme */
122 static Atom net_wm_icon_geometry; /* FIXME: should work together with net_wm_handled_icons, gnome-panel-2.2.0.1 doesn't use _NET_WM_HANDLED_ICONS, thus present situation. */
123 static Atom net_wm_icon;
124 static Atom net_wm_pid; /* TODO */
125 static Atom net_wm_handled_icons; /* FIXME: see net_wm_icon_geometry */
126
127 /* Window Manager Protocols */
128 static Atom net_wm_ping; /* TODO */
129
130 static Atom utf8_string;
131
132 typedef struct {
133 char *name;
134 Atom *atom;
135 } atomitem_t;
136
137 static atomitem_t atomNames[] = {
138 {"_NET_SUPPORTED", &net_supported},
139 {"_NET_CLIENT_LIST", &net_client_list},
140 {"_NET_CLIENT_LIST_STACKING", &net_client_list_stacking},
141 {"_NET_NUMBER_OF_DESKTOPS", &net_number_of_desktops},
142 {"_NET_DESKTOP_GEOMETRY", &net_desktop_geometry},
143 {"_NET_DESKTOP_VIEWPORT", &net_desktop_viewport},
144 {"_NET_CURRENT_DESKTOP", &net_current_desktop},
145 {"_NET_DESKTOP_NAMES", &net_desktop_names},
146 {"_NET_ACTIVE_WINDOW", &net_active_window},
147 {"_NET_WORKAREA", &net_workarea},
148 {"_NET_SUPPORTING_WM_CHECK", &net_supporting_wm_check},
149 {"_NET_VIRTUAL_ROOTS", &net_virtual_roots},
150 {"_NET_DESKTOP_LAYOUT", &net_desktop_layout},
151 {"_NET_SHOWING_DESKTOP", &net_showing_desktop},
152
153 {"_NET_CLOSE_WINDOW", &net_close_window},
154 {"_NET_MOVERESIZE_WINDOW", &net_moveresize_window},
155 {"_NET_WM_MOVERESIZE", &net_wm_moveresize},
156
157 {"_NET_WM_NAME", &net_wm_name},
158 {"_NET_WM_VISIBLE_NAME", &net_wm_visible_name},
159 {"_NET_WM_ICON_NAME", &net_wm_icon_name},
160 {"_NET_WM_VISIBLE_ICON_NAME", &net_wm_visible_icon_name},
161 {"_NET_WM_DESKTOP", &net_wm_desktop},
162 {"_NET_WM_WINDOW_TYPE", &net_wm_window_type},
163 {"_NET_WM_WINDOW_TYPE_DESKTOP", &net_wm_window_type_desktop},
164 {"_NET_WM_WINDOW_TYPE_DOCK", &net_wm_window_type_dock},
165 {"_NET_WM_WINDOW_TYPE_TOOLBAR", &net_wm_window_type_toolbar},
166 {"_NET_WM_WINDOW_TYPE_MENU", &net_wm_window_type_menu},
167 {"_NET_WM_WINDOW_TYPE_UTILITY", &net_wm_window_type_utility},
168 {"_NET_WM_WINDOW_TYPE_SPLASH", &net_wm_window_type_splash},
169 {"_NET_WM_WINDOW_TYPE_DIALOG", &net_wm_window_type_dialog},
170 {"_NET_WM_WINDOW_TYPE_NORMAL", &net_wm_window_type_normal},
171 {"_NET_WM_STATE", &net_wm_state},
172 {"_NET_WM_STATE_MODAL", &net_wm_state_modal},
173 {"_NET_WM_STATE_STICKY", &net_wm_state_sticky},
174 {"_NET_WM_STATE_MAXIMIZED_VERT", &net_wm_state_maximized_vert},
175 {"_NET_WM_STATE_MAXIMIZED_HORZ", &net_wm_state_maximized_horz},
176 {"_NET_WM_STATE_SHADED", &net_wm_state_shaded},
177 {"_NET_WM_STATE_SKIP_TASKBAR", &net_wm_state_skip_taskbar},
178 {"_NET_WM_STATE_SKIP_PAGER", &net_wm_state_skip_pager},
179 {"_NET_WM_STATE_HIDDEN", &net_wm_state_hidden},
180 {"_NET_WM_STATE_FULLSCREEN", &net_wm_state_fullscreen},
181 {"_NET_WM_STATE_ABOVE", &net_wm_state_above},
182 {"_NET_WM_STATE_BELOW", &net_wm_state_below},
183 {"_NET_WM_ALLOWED_ACTIONS", &net_wm_allowed_actions},
184 {"_NET_WM_ACTION_MOVE", &net_wm_action_move},
185 {"_NET_WM_ACTION_RESIZE", &net_wm_action_resize},
186 {"_NET_WM_ACTION_MINIMIZE", &net_wm_action_minimize},
187 {"_NET_WM_ACTION_SHADE", &net_wm_action_shade},
188 {"_NET_WM_ACTION_STICK", &net_wm_action_stick},
189 {"_NET_WM_ACTION_MAXIMIZE_HORZ", &net_wm_action_maximize_horz},
190 {"_NET_WM_ACTION_MAXIMIZE_VERT", &net_wm_action_maximize_vert},
191 {"_NET_WM_ACTION_FULLSCREEN", &net_wm_action_fullscreen},
192 {"_NET_WM_ACTION_CHANGE_DESKTOP", &net_wm_action_change_desktop},
193 {"_NET_WM_ACTION_CLOSE", &net_wm_action_close},
194 {"_NET_WM_STRUT", &net_wm_strut},
195 {"_NET_WM_STRUT_PARTIAL", &net_wm_strut_partial},
196 {"_NET_WM_ICON_GEOMETRY", &net_wm_icon_geometry},
197 {"_NET_WM_ICON", &net_wm_icon},
198 {"_NET_WM_PID", &net_wm_pid},
199 {"_NET_WM_HANDLED_ICONS", &net_wm_handled_icons},
200
201 {"_NET_WM_PING", &net_wm_ping},
202
203 {"UTF8_STRING", &utf8_string},
204 };
205
206 #define atomNr (sizeof(atomNames)/sizeof(atomitem_t))
207
208 #define _NET_WM_STATE_REMOVE 0
209 #define _NET_WM_STATE_ADD 1
210 #define _NET_WM_STATE_TOGGLE 2
211
212 #define _NET_WM_MOVERESIZE_SIZE_TOPLEFT 0
213 #define _NET_WM_MOVERESIZE_SIZE_TOP 1
214 #define _NET_WM_MOVERESIZE_SIZE_TOPRIGHT 2
215 #define _NET_WM_MOVERESIZE_SIZE_RIGHT 3
216 #define _NET_WM_MOVERESIZE_SIZE_BOTTOMRIGHT 4
217 #define _NET_WM_MOVERESIZE_SIZE_BOTTOM 5
218 #define _NET_WM_MOVERESIZE_SIZE_BOTTOMLEFT 6
219 #define _NET_WM_MOVERESIZE_SIZE_LEFT 7
220 #define _NET_WM_MOVERESIZE_MOVE 8 /* movement only */
221 #define _NET_WM_MOVERESIZE_SIZE_KEYBOARD 9 /* size via keyboard */
222 #define _NET_WM_MOVERESIZE_MOVE_KEYBOARD 10 /* move via keyboard */
223
224 static void observer(void *self, WMNotification * notif);
225 static void wsobserver(void *self, WMNotification * notif);
226
227 static void updateClientList(WScreen * scr);
228 static void updateClientListStacking(WScreen * scr, WWindow *);
229
230 static void updateWorkspaceNames(WScreen * scr);
231 static void updateCurrentWorkspace(WScreen * scr);
232 static void updateWorkspaceCount(WScreen * scr);
233
234 typedef struct NetData {
235 WScreen *scr;
236 WReservedArea *strut;
237 WWindow **show_desktop;
238 } NetData;
239
240 static void setSupportedHints(WScreen * scr)
241 {
242 Atom atom[atomNr];
243 int i = 0;
244
245 /* set supported hints list */
246 /* XXX: extend this !!! */
247
248 atom[i++] = net_client_list;
249 atom[i++] = net_client_list_stacking;
250 atom[i++] = net_number_of_desktops;
251 atom[i++] = net_desktop_geometry;
252 atom[i++] = net_desktop_viewport;
253 atom[i++] = net_current_desktop;
254 atom[i++] = net_desktop_names;
255 atom[i++] = net_active_window;
256 atom[i++] = net_workarea;
257 atom[i++] = net_supporting_wm_check;
258 atom[i++] = net_showing_desktop;
259 #if 0
260 atom[i++] = net_wm_moveresize;
261 #endif
262 atom[i++] = net_wm_desktop;
263 atom[i++] = net_wm_window_type;
264 atom[i++] = net_wm_window_type_desktop;
265 atom[i++] = net_wm_window_type_dock;
266 atom[i++] = net_wm_window_type_toolbar;
267 atom[i++] = net_wm_window_type_menu;
268 atom[i++] = net_wm_window_type_utility;
269 atom[i++] = net_wm_window_type_splash;
270 atom[i++] = net_wm_window_type_dialog;
271 atom[i++] = net_wm_window_type_normal;
272
273 atom[i++] = net_wm_state;
274 /* atom[i++] = net_wm_state_modal; *//* XXX: not sure where/when to use it. */
275 atom[i++] = net_wm_state_sticky;
276 atom[i++] = net_wm_state_shaded;
277 atom[i++] = net_wm_state_maximized_horz;
278 atom[i++] = net_wm_state_maximized_vert;
279 atom[i++] = net_wm_state_skip_taskbar;
280 atom[i++] = net_wm_state_skip_pager;
281 atom[i++] = net_wm_state_hidden;
282 atom[i++] = net_wm_state_fullscreen;
283 atom[i++] = net_wm_state_above;
284 atom[i++] = net_wm_state_below;
285
286 atom[i++] = net_wm_allowed_actions;
287 atom[i++] = net_wm_action_move;
288 atom[i++] = net_wm_action_resize;
289 atom[i++] = net_wm_action_minimize;
290 atom[i++] = net_wm_action_shade;
291 atom[i++] = net_wm_action_stick;
292 atom[i++] = net_wm_action_maximize_horz;
293 atom[i++] = net_wm_action_maximize_vert;
294 atom[i++] = net_wm_action_fullscreen;
295 atom[i++] = net_wm_action_change_desktop;
296 atom[i++] = net_wm_action_close;
297
298 atom[i++] = net_wm_strut;
299 atom[i++] = net_wm_icon_geometry;
300 atom[i++] = net_wm_icon;
301 atom[i++] = net_wm_handled_icons;
302
303 atom[i++] = net_wm_name;
304 atom[i++] = net_wm_icon_name;
305
306 XChangeProperty(dpy, scr->root_win, net_supported, XA_ATOM, 32, PropModeReplace, (unsigned char *)atom, i);
307
308 /* set supporting wm hint */
309 XChangeProperty(dpy, scr->root_win, net_supporting_wm_check, XA_WINDOW, 32,
310 PropModeReplace, (unsigned char *)&scr->info_window, 1);
311
312 XChangeProperty(dpy, scr->info_window, net_supporting_wm_check, XA_WINDOW,
313 32, PropModeReplace, (unsigned char *)&scr->info_window, 1);
314 }
315
316 void wNETWMUpdateDesktop(WScreen * scr)
317 {
318 long *views, sizes[2];
319 int count, i;
320
321 if (scr->workspace_count == 0)
322 return;
323
324 count = scr->workspace_count * 2;
325 views = wmalloc(sizeof(long) * count);
326 /*memset(views, 0, sizeof(long) * count); */
327
328 #ifdef VIRTUAL_DESKTOP
329 sizes[0] = scr->workspaces[scr->current_workspace]->width;
330 sizes[1] = scr->workspaces[scr->current_workspace]->height;
331 #else
332 sizes[0] = scr->scr_width;
333 sizes[1] = scr->scr_height;
334 #endif
335
336 for (i = 0; i < scr->workspace_count; i++) {
337 #ifdef VIRTUAL_DESKTOP
338 views[2 * i + 0] = scr->workspaces[i]->view_x;
339 views[2 * i + 1] = scr->workspaces[i]->view_y;
340 #else
341 views[2 * i + 0] = 0;
342 views[2 * i + 1] = 0;
343 #endif
344 }
345
346 XChangeProperty(dpy, scr->root_win, net_desktop_geometry, XA_CARDINAL, 32,
347 PropModeReplace, (unsigned char *)sizes, 2);
348
349 XChangeProperty(dpy, scr->root_win, net_desktop_viewport, XA_CARDINAL, 32,
350 PropModeReplace, (unsigned char *)views, count);
351
352 wfree(views);
353 }
354
355 int wNETWMGetCurrentDesktopFromHint(WScreen * scr)
356 {
357 int count;
358 unsigned char *prop;
359
360 prop = PropGetCheckProperty(scr->root_win, net_current_desktop, XA_CARDINAL, 0, 1, &count);
361 if (prop) {
362 int desktop = *(long *)prop;
363 XFree(prop);
364 return desktop;
365 }
366 return -1;
367 }
368
369 /*
370 * Find the best icon to be used by Window Maker for appicon/miniwindows.
371 * Currently the algorithm is to take the image with the size closest
372 * to icon_size x icon_size, but never bigger than that.
373 *
374 * This algorithm is very poorly implemented and needs to be redone (it can
375 * easily select images with very large widths and very small heights over
376 * square images, if the area of the former is closer to the desired one).
377 *
378 * The logic can also be changed to accept bigger images and scale them down.
379 */
380 static unsigned long *findBestIcon(unsigned long *data, unsigned long items)
381 {
382 int size, wanted, d;
383 unsigned long i, distance;
384 unsigned long *icon;
385
386 /* better use only 75% of icon_size. For 64x64 this means 48x48
387 * This leaves room around the icon for the miniwindow title and
388 * results in better overall aesthetics -Dan */
389 wanted = wPreferences.icon_size * wPreferences.icon_size;
390
391 for (icon = NULL, distance = wanted, i = 0L; i < items - 1;) {
392 size = data[i] * data[i + 1];
393 if (size == 0)
394 break;
395 d = wanted - size;
396 if (d >= 0 && d <= distance && (i + size + 2) <= items) {
397 distance = d;
398 icon = &data[i];
399 }
400 i += size + 2;
401 }
402
403 return icon;
404 }
405
406 static RImage *makeRImageFromARGBData(unsigned long *data)
407 {
408 int size, width, height, i;
409 RImage *image;
410 unsigned char *imgdata;
411 unsigned long pixel;
412
413 width = data[0];
414 height = data[1];
415 size = width * height;
416
417 if (size == 0)
418 return NULL;
419
420 image = RCreateImage(width, height, True);
421
422 for (imgdata = image->data, i = 2; i < size + 2; i++, imgdata += 4) {
423 pixel = data[i];
424 #if BYTE_ORDER == BIG_ENDIAN
425 imgdata[2] = (pixel >> 24) & 0xff; /* A */
426 imgdata[1] = (pixel >> 16) & 0xff; /* R */
427 imgdata[0] = (pixel >> 8) & 0xff; /* G */
428 imgdata[3] = (pixel >> 0) & 0xff; /* B */
429 #else /* Little endian */
430 imgdata[3] = (pixel >> 24) & 0xff; /* A */
431 imgdata[0] = (pixel >> 16) & 0xff; /* R */
432 imgdata[1] = (pixel >> 8) & 0xff; /* G */
433 imgdata[2] = (pixel >> 0) & 0xff; /* B */
434 #endif /* endianness */
435
436 }
437
438 return image;
439 }
440
441 static void updateIconImage(WScreen * scr, WWindow * wwin)
442 {
443 unsigned long *property, *data;
444 unsigned long items, rest;
445 Atom type;
446 int format;
447 RImage *image;
448
449 if (XGetWindowProperty(dpy, wwin->client_win, net_wm_icon, 0L, LONG_MAX,
450 False, XA_CARDINAL, &type, &format, &items, &rest,
451 (unsigned char **)&property) != Success || !property) {
452 return;
453 }
454
455 if (type != XA_CARDINAL || format != 32 || items < 2) {
456 XFree(property);
457 return;
458 }
459
460 data = findBestIcon(property, items);
461 if (!data) {
462 XFree(property);
463 return;
464 }
465
466 image = makeRImageFromARGBData(data);
467
468 if (image) {
469 if (wwin->net_icon_image)
470 RReleaseImage(wwin->net_icon_image);
471 wwin->net_icon_image = image;
472 }
473
474 XFree(property);
475 }
476
477 static void updateShowDesktop(WScreen * scr, Bool show)
478 {
479 long foo;
480
481 foo = (show == True);
482 XChangeProperty(dpy, scr->root_win, net_showing_desktop, XA_CARDINAL, 32,
483 PropModeReplace, (unsigned char *)&foo, 1);
484 }
485
486 void wNETWMShowingDesktop(WScreen * scr, Bool show)
487 {
488 if (show && scr->netdata->show_desktop == NULL) {
489 WWindow *tmp, **wins;
490 int i = 0;
491
492 wins = (WWindow **) wmalloc(sizeof(WWindow *) * (scr->window_count + 1));
493
494 tmp = scr->focused_window;
495 while (tmp) {
496 if (!tmp->flags.hidden && !tmp->flags.miniaturized && !WFLAGP(tmp, skip_window_list)) {
497
498 wins[i++] = tmp;
499 tmp->flags.skip_next_animation = 1;
500 tmp->flags.net_show_desktop = 1;
501 wIconifyWindow(tmp);
502 }
503
504 tmp = tmp->prev;
505 }
506 wins[i++] = NULL;
507
508 scr->netdata->show_desktop = wins;
509 updateShowDesktop(scr, True);
510 } else if (scr->netdata->show_desktop != NULL) {
511 /* FIXME: get rid of workspace flashing ! */
512 int ws = scr->current_workspace;
513 WWindow **tmp;
514 for (tmp = scr->netdata->show_desktop; *tmp; ++tmp) {
515 wDeiconifyWindow(*tmp);
516 (*tmp)->flags.net_show_desktop = 0;
517 }
518 if (ws != scr->current_workspace)
519 wWorkspaceChange(scr, ws);
520 wfree(scr->netdata->show_desktop);
521 scr->netdata->show_desktop = NULL;
522 updateShowDesktop(scr, False);
523 }
524 }
525
526 void wNETWMInitStuff(WScreen * scr)
527 {
528 NetData *data;
529 int i;
530
531 #ifdef DEBUG_WMSPEC
532 printf("wNETWMInitStuff\n");
533 #endif
534
535 #ifdef HAVE_XINTERNATOMS
536 {
537 Atom atoms[atomNr];
538 char *names[atomNr];
539
540 for (i = 0; i < atomNr; ++i) {
541 names[i] = atomNames[i].name;
542 }
543 XInternAtoms(dpy, &names[0], atomNr, False, atoms);
544 for (i = 0; i < atomNr; ++i) {
545 *atomNames[i].atom = atoms[i];
546 }
547 }
548 #else
549 for (i = 0; i < atomNr; i++) {
550 *atomNames[i].atom = XInternAtom(dpy, atomNames[i].name, False);
551 }
552 #endif
553
554 data = wmalloc(sizeof(NetData));
555 data->scr = scr;
556 data->strut = NULL;
557 data->show_desktop = NULL;
558
559 scr->netdata = data;
560
561 setSupportedHints(scr);
562
563 WMAddNotificationObserver(observer, data, WMNManaged, NULL);
564 WMAddNotificationObserver(observer, data, WMNUnmanaged, NULL);
565 WMAddNotificationObserver(observer, data, WMNChangedWorkspace, NULL);
566 WMAddNotificationObserver(observer, data, WMNChangedState, NULL);
567 WMAddNotificationObserver(observer, data, WMNChangedFocus, NULL);
568 WMAddNotificationObserver(observer, data, WMNChangedStacking, NULL);
569 WMAddNotificationObserver(observer, data, WMNChangedName, NULL);
570
571 WMAddNotificationObserver(wsobserver, data, WMNWorkspaceCreated, NULL);
572 WMAddNotificationObserver(wsobserver, data, WMNWorkspaceDestroyed, NULL);
573 WMAddNotificationObserver(wsobserver, data, WMNWorkspaceChanged, NULL);
574 WMAddNotificationObserver(wsobserver, data, WMNWorkspaceNameChanged, NULL);
575
576 updateClientList(scr);
577 updateClientListStacking(scr, NULL);
578 updateWorkspaceCount(scr);
579 updateWorkspaceNames(scr);
580 updateShowDesktop(scr, False);
581
582 wScreenUpdateUsableArea(scr);
583 }
584
585 void wNETWMCleanup(WScreen * scr)
586 {
587 int i;
588
589 for (i = 0; i < atomNr; i++)
590 XDeleteProperty(dpy, scr->root_win, *atomNames[i].atom);
591 }
592
593 void wNETWMUpdateActions(WWindow * wwin, Bool del)
594 {
595 Atom action[10]; /* nr of actions atoms defined */
596 int i = 0;
597
598 if (del) {
599 XDeleteProperty(dpy, wwin->client_win, net_wm_allowed_actions);
600 return;
601 }
602
603 if (IS_MOVABLE(wwin))
604 action[i++] = net_wm_action_move;
605
606 if (IS_RESIZABLE(wwin))
607 action[i++] = net_wm_action_resize;
608
609 if (!WFLAGP(wwin, no_miniaturizable))
610 action[i++] = net_wm_action_minimize;
611
612 if (!WFLAGP(wwin, no_shadeable))
613 action[i++] = net_wm_action_shade;
614
615 /* if (!WFLAGP(wwin, no_stickable)) */
616 action[i++] = net_wm_action_stick;
617
618 /* if (!(WFLAGP(wwin, no_maximizeable) & MAX_HORIZONTAL)) */
619 if (IS_RESIZABLE(wwin))
620 action[i++] = net_wm_action_maximize_horz;
621
622 /* if (!(WFLAGP(wwin, no_maximizeable) & MAX_VERTICAL)) */
623 if (IS_RESIZABLE(wwin))
624 action[i++] = net_wm_action_maximize_vert;
625
626 /* if (!WFLAGP(wwin, no_fullscreen)) */
627 action[i++] = net_wm_action_fullscreen;
628
629 /* if (!WFLAGP(wwin, no_change_desktop)) */
630 action[i++] = net_wm_action_change_desktop;
631
632 if (!WFLAGP(wwin, no_closable))
633 action[i++] = net_wm_action_close;
634
635 XChangeProperty(dpy, wwin->client_win, net_wm_allowed_actions,
636 XA_ATOM, 32, PropModeReplace, (unsigned char *)action, i);
637 }
638
639 void wNETWMUpdateWorkarea(WScreen * scr, WArea usableArea)
640 {
641 long *area;
642 int count, i;
643
644 /* XXX: not Xinerama compatible,
645 xinerama gets the largest available */
646
647 if (!scr->netdata || scr->workspace_count == 0)
648 return;
649
650 count = scr->workspace_count * 4;
651 area = wmalloc(sizeof(long) * count);
652 for (i = 0; i < scr->workspace_count; i++) {
653 area[4 * i + 0] = usableArea.x1;
654 area[4 * i + 1] = usableArea.y1;
655 area[4 * i + 2] = usableArea.x2 - usableArea.x1;
656 area[4 * i + 3] = usableArea.y2 - usableArea.y1;
657 }
658
659 XChangeProperty(dpy, scr->root_win, net_workarea, XA_CARDINAL, 32,
660 PropModeReplace, (unsigned char *)area, count);
661
662 wfree(area);
663 }
664
665 Bool wNETWMGetUsableArea(WScreen * scr, int head, WArea * area)
666 {
667 WReservedArea *cur;
668 WMRect rect;
669
670 if (!scr->netdata || !scr->netdata->strut)
671 return False;
672
673 area->x1 = area->y1 = area->x2 = area->y2 = 0;
674
675 for (cur = scr->netdata->strut; cur; cur = cur->next) {
676 WWindow *wwin = wWindowFor(cur->window);
677 if (wWindowTouchesHead(wwin, head)) {
678 if (cur->area.x1 > area->x1)
679 area->x1 = cur->area.x1;
680 if (cur->area.y1 > area->y1)
681 area->y1 = cur->area.y1;
682 if (cur->area.x2 > area->x2)
683 area->x2 = cur->area.x2;
684 if (cur->area.y2 > area->y2)
685 area->y2 = cur->area.y2;
686 }
687 }
688
689 if (area->x1 == 0 && area->x2 == 0 && area->y1 == 0 && area->y2 == 0)
690 return False;
691
692 rect = wGetRectForHead(scr, head);
693
694 area->x1 = rect.pos.x + area->x1;
695 area->x2 = rect.pos.x + rect.size.width - area->x2;
696 area->y1 = rect.pos.y + area->y1;
697 area->y2 = rect.pos.y + rect.size.height - area->y2;
698
699 return True;
700 }
701
702 static void updateClientList(WScreen * scr)
703 {
704 WWindow *wwin;
705 Window *windows;
706 int count;
707
708 windows = (Window *) wmalloc(sizeof(Window) * (scr->window_count + 1));
709
710 count = 0;
711 wwin = scr->focused_window;
712 while (wwin) {
713 windows[count++] = wwin->client_win;
714 wwin = wwin->prev;
715 }
716 XChangeProperty(dpy, scr->root_win, net_client_list, XA_WINDOW, 32,
717 PropModeReplace, (unsigned char *)windows, count);
718
719 wfree(windows);
720 XFlush(dpy);
721 }
722
723 static void updateClientListStacking(WScreen * scr, WWindow * wwin_excl)
724 {
725 WWindow *wwin;
726 Window *client_list;
727 Window *client_list_reverse;
728 int client_count;
729 WCoreWindow *tmp;
730 WMBagIterator iter;
731 int i;
732
733 /* update client list */
734 i = scr->window_count + 1;
735 client_list = (Window *) wmalloc(sizeof(Window) * i);
736 client_list_reverse = (Window *) wmalloc(sizeof(Window) * i);
737
738 client_count = 0;
739 WM_ETARETI_BAG(scr->stacking_list, tmp, iter) {
740 while (tmp) {
741 wwin = wWindowFor(tmp->window);
742 /* wwin_excl is a window to exclude from the list
743 (e.g. it's now unmanaged) */
744 if (wwin && (wwin != wwin_excl))
745 client_list[client_count++] = wwin->client_win;
746 tmp = tmp->stacking->under;
747 }
748 }
749
750 for (i = 0; i < client_count; i++) {
751 Window w = client_list[client_count - i - 1];
752 client_list_reverse[i] = w;
753 }
754
755 XChangeProperty(dpy, scr->root_win, net_client_list_stacking, XA_WINDOW, 32,
756 PropModeReplace, (unsigned char *)client_list_reverse, client_count);
757
758 wfree(client_list);
759 wfree(client_list_reverse);
760
761 XFlush(dpy);
762 }
763
764 static void updateWorkspaceCount(WScreen * scr)
765 { /* changeable */
766 long count;
767
768 count = scr->workspace_count;
769
770 XChangeProperty(dpy, scr->root_win, net_number_of_desktops, XA_CARDINAL,
771 32, PropModeReplace, (unsigned char *)&count, 1);
772 }
773
774 static void updateCurrentWorkspace(WScreen * scr)
775 { /* changeable */
776 long count;
777
778 count = scr->current_workspace;
779
780 XChangeProperty(dpy, scr->root_win, net_current_desktop, XA_CARDINAL, 32,
781 PropModeReplace, (unsigned char *)&count, 1);
782 }
783
784 static void updateWorkspaceNames(WScreen * scr)
785 {
786 char buf[MAX_WORKSPACES * (MAX_WORKSPACENAME_WIDTH + 1)], *pos;
787 unsigned int i, len, curr_size;
788
789 pos = buf;
790 len = 0;
791 for (i = 0; i < scr->workspace_count; i++) {
792 curr_size = strlen(scr->workspaces[i]->name);
793 strcpy(pos, scr->workspaces[i]->name);
794 pos += (curr_size + 1);
795 len += (curr_size + 1);
796 }
797
798 XChangeProperty(dpy, scr->root_win, net_desktop_names, utf8_string, 8,
799 PropModeReplace, (unsigned char *)buf, len);
800 }
801
802 static void updateFocusHint(WScreen * scr, WWindow * wwin)
803 { /* changeable */
804 Window window;
805
806 if (!scr->focused_window || !scr->focused_window->flags.focused)
807 window = None;
808 else
809 window = scr->focused_window->client_win;
810
811 XChangeProperty(dpy, scr->root_win, net_active_window, XA_WINDOW, 32,
812 PropModeReplace, (unsigned char *)&window, 1);
813 }
814
815 static void updateWorkspaceHint(WWindow * wwin, Bool fake, Bool del)
816 {
817 long l;
818
819 if (del) {
820 XDeleteProperty(dpy, wwin->client_win, net_wm_desktop);
821 } else {
822 l = ((fake || IS_OMNIPRESENT(wwin)) ? -1 : wwin->frame->workspace);
823 XChangeProperty(dpy, wwin->client_win, net_wm_desktop, XA_CARDINAL,
824 32, PropModeReplace, (unsigned char *)&l, 1);
825 }
826 }
827
828 static void updateStateHint(WWindow * wwin, Bool changedWorkspace, Bool del)
829 { /* changeable */
830 if (del) {
831 if (!wwin->flags.net_state_from_client) {
832 XDeleteProperty(dpy, wwin->client_win, net_wm_state);
833 }
834 } else {
835 Atom state[15]; /* nr of defined state atoms */
836 int i = 0;
837
838 if (changedWorkspace || (wPreferences.sticky_icons && !IS_OMNIPRESENT(wwin)))
839 updateWorkspaceHint(wwin, False, False);
840
841 if (IS_OMNIPRESENT(wwin))
842 state[i++] = net_wm_state_sticky;
843 if (wwin->flags.shaded)
844 state[i++] = net_wm_state_shaded;
845 if (wwin->flags.maximized & MAX_HORIZONTAL)
846 state[i++] = net_wm_state_maximized_horz;
847 if (wwin->flags.maximized & MAX_VERTICAL)
848 state[i++] = net_wm_state_maximized_vert;
849 if (WFLAGP(wwin, skip_window_list))
850 state[i++] = net_wm_state_skip_taskbar;
851 if (wwin->flags.net_skip_pager)
852 state[i++] = net_wm_state_skip_pager;
853 if ((wwin->flags.hidden || wwin->flags.miniaturized) && !wwin->flags.net_show_desktop) {
854 state[i++] = net_wm_state_hidden;
855 state[i++] = net_wm_state_skip_pager;
856
857 if (wwin->flags.miniaturized && wPreferences.sticky_icons) {
858 if (!IS_OMNIPRESENT(wwin))
859 updateWorkspaceHint(wwin, True, False);
860 state[i++] = net_wm_state_sticky;
861 }
862 }
863 if (WFLAGP(wwin, sunken))
864 state[i++] = net_wm_state_below;
865 if (WFLAGP(wwin, floating))
866 state[i++] = net_wm_state_above;
867 if (wwin->flags.fullscreen)
868 state[i++] = net_wm_state_fullscreen;
869
870 XChangeProperty(dpy, wwin->client_win, net_wm_state, XA_ATOM, 32,
871 PropModeReplace, (unsigned char *)state, i);
872 }
873 }
874
875 static Bool updateStrut(WWindow * wwin, Bool adding)
876 {
877 WScreen *scr;
878 WReservedArea *area;
879 Bool hasState = False;
880
881 scr = wwin->screen_ptr;
882
883 if (adding) {
884 Atom type_ret;
885 int fmt_ret;
886 unsigned long nitems_ret;
887 unsigned long bytes_after_ret;
888 long *data = 0;
889
890 if (XGetWindowProperty(dpy, wwin->client_win, net_wm_strut, 0, 4, False,
891 XA_CARDINAL, &type_ret, &fmt_ret, &nitems_ret,
892 &bytes_after_ret, (unsigned char **)&data) == Success && data) {
893
894 area = (WReservedArea *) wmalloc(sizeof(WReservedArea));
895 area->area.x1 = data[0];
896 area->area.x2 = data[1];
897 area->area.y1 = data[2];
898 area->area.y2 = data[3];
899
900 area->window = wwin->client_win;
901
902 area->next = scr->netdata->strut;
903 scr->netdata->strut = area;
904
905 XFree(data);
906 hasState = True;
907 #ifdef VIRTUAL_DESKTOP
908 /* just in case wm_window_type didn't set it already */
909 wwin->client_flags.virtual_stick = 1;
910 #endif
911 }
912
913 } else {
914 /* deleting */
915 area = scr->netdata->strut;
916
917 if (area) {
918 if (area->window == wwin->client_win) {
919 scr->netdata->strut = area->next;
920 wfree(area);
921 hasState = True;
922 } else {
923 while (area->next && area->next->window != wwin->client_win)
924 area = area->next;
925
926 if (area->next) {
927 WReservedArea *next;
928
929 next = area->next->next;
930 wfree(area->next);
931 area->next = next;
932
933 hasState = True;
934 }
935 }
936 }
937 }
938
939 return hasState;
940 }
941
942 static int getWindowLayer(WWindow * wwin)
943 {
944 int layer = WMNormalLevel;
945
946 if (wwin->type == net_wm_window_type_desktop) {
947 layer = WMDesktopLevel;
948 } else if (wwin->type == net_wm_window_type_dock) {
949 layer = WMDockLevel;
950 } else if (wwin->type == net_wm_window_type_toolbar) {
951 layer = WMMainMenuLevel;
952 } else if (wwin->type == net_wm_window_type_menu) {
953 layer = WMSubmenuLevel;
954 } else if (wwin->type == net_wm_window_type_utility) {
955 } else if (wwin->type == net_wm_window_type_splash) {
956 } else if (wwin->type == net_wm_window_type_dialog) {
957 if (wwin->transient_for) {
958 WWindow *parent = wWindowFor(wwin->transient_for);
959 if (parent && parent->flags.fullscreen) {
960 layer = WMFullscreenLevel;
961 }
962 }
963 /* //layer = WMPopUpLevel; // this seems a bad idea -Dan */
964 } else if (wwin->type == net_wm_window_type_normal) {
965 }
966
967 if (wwin->client_flags.sunken && WMSunkenLevel < layer)
968 layer = WMSunkenLevel;
969 if (wwin->client_flags.floating && WMFloatingLevel > layer)
970 layer = WMFloatingLevel;
971
972 return layer;
973 }
974
975 static void doStateAtom(WWindow * wwin, Atom state, int set, Bool init)
976 {
977
978 if (state == net_wm_state_sticky) {
979 if (set == _NET_WM_STATE_TOGGLE) {
980 set = !IS_OMNIPRESENT(wwin);
981 }
982 if (set != wwin->flags.omnipresent) {
983 wWindowSetOmnipresent(wwin, set);
984 }
985 } else if (state == net_wm_state_shaded) {
986 if (set == _NET_WM_STATE_TOGGLE) {
987 set = !wwin->flags.shaded;
988 }
989 if (init) {
990 wwin->flags.shaded = set;
991 } else {
992 if (set) {
993 wShadeWindow(wwin);
994 } else {
995 wUnshadeWindow(wwin);
996 }
997 }
998 } else if (state == net_wm_state_skip_taskbar) {
999 if (set == _NET_WM_STATE_TOGGLE) {
1000 set = !wwin->client_flags.skip_window_list;
1001 }
1002 wwin->client_flags.skip_window_list = set;
1003 } else if (state == net_wm_state_skip_pager) {
1004 if (set == _NET_WM_STATE_TOGGLE) {
1005 set = !wwin->flags.net_skip_pager;
1006 }
1007 wwin->flags.net_skip_pager = set;
1008 } else if (state == net_wm_state_maximized_vert) {
1009 if (set == _NET_WM_STATE_TOGGLE) {
1010 set = !(wwin->flags.maximized & MAX_VERTICAL);
1011 }
1012 if (init) {
1013 wwin->flags.maximized |= (set ? MAX_VERTICAL : 0);
1014 } else {
1015 if (set) {
1016 wMaximizeWindow(wwin, wwin->flags.maximized | MAX_VERTICAL);
1017 } else {
1018 wMaximizeWindow(wwin, wwin->flags.maximized & ~MAX_VERTICAL);
1019 }
1020 }
1021 } else if (state == net_wm_state_maximized_horz) {
1022 if (set == _NET_WM_STATE_TOGGLE) {
1023 set = !(wwin->flags.maximized & MAX_HORIZONTAL);
1024 }
1025 if (init) {
1026 wwin->flags.maximized |= (set ? MAX_HORIZONTAL : 0);
1027 } else {
1028 if (set) {
1029 wMaximizeWindow(wwin, wwin->flags.maximized | MAX_HORIZONTAL);
1030 } else {
1031 wMaximizeWindow(wwin, wwin->flags.maximized & ~MAX_HORIZONTAL);
1032 }
1033 }
1034 } else if (state == net_wm_state_hidden) {
1035 if (set == _NET_WM_STATE_TOGGLE) {
1036 set = !(wwin->flags.miniaturized);
1037 }
1038 if (init) {
1039 wwin->flags.miniaturized = set;
1040 } else {
1041 if (set) {
1042 wIconifyWindow(wwin);
1043 } else {
1044 wDeiconifyWindow(wwin);
1045 }
1046 }
1047 } else if (state == net_wm_state_fullscreen) {
1048 if (set == _NET_WM_STATE_TOGGLE) {
1049 set = !(wwin->flags.fullscreen);
1050 }
1051 if (init) {
1052 wwin->flags.fullscreen = set;
1053 } else {
1054 if (set) {
1055 wFullscreenWindow(wwin);
1056 } else {
1057 wUnfullscreenWindow(wwin);
1058 }
1059 }
1060 } else if (state == net_wm_state_above) {
1061 if (set == _NET_WM_STATE_TOGGLE) {
1062 set = !(wwin->client_flags.floating);
1063 }
1064 if (init) {
1065 wwin->client_flags.floating = set;
1066 } else {
1067 wwin->client_flags.floating = set;
1068 ChangeStackingLevel(wwin->frame->core, getWindowLayer(wwin));
1069 }
1070
1071 } else if (state == net_wm_state_below) {
1072 if (set == _NET_WM_STATE_TOGGLE) {
1073 set = !(wwin->client_flags.sunken);
1074 }
1075 if (init) {
1076 wwin->client_flags.sunken = set;
1077 } else {
1078 wwin->client_flags.sunken = set;
1079 ChangeStackingLevel(wwin->frame->core, getWindowLayer(wwin));
1080 }
1081
1082 } else {
1083 #ifdef DEBUG_WMSPEC
1084 printf("doStateAtom unknown atom %s set %d\n", XGetAtomName(dpy, state), set);
1085 #endif
1086 }
1087 }
1088
1089 static void removeIcon(WWindow * wwin)
1090 {
1091 if (wwin->icon == NULL)
1092 return;
1093 if (wwin->flags.miniaturized && wwin->icon->mapped) {
1094 XUnmapWindow(dpy, wwin->icon->core->window);
1095 RemoveFromStackList(wwin->icon->core);
1096 wIconDestroy(wwin->icon);
1097 wwin->icon = NULL;
1098 }
1099 }
1100
1101 static Bool handleWindowType(WWindow * wwin, Atom type, int *layer)
1102 {
1103 Bool ret = True;
1104
1105 if (type == net_wm_window_type_desktop) {
1106 wwin->client_flags.no_titlebar = 1;
1107 wwin->client_flags.no_resizable = 1;
1108 wwin->client_flags.no_miniaturizable = 1;
1109 wwin->client_flags.no_border = 1;
1110 wwin->client_flags.no_resizebar = 1;
1111 wwin->client_flags.no_shadeable = 1;
1112 wwin->client_flags.no_movable = 1;
1113 wwin->client_flags.omnipresent = 1;
1114 wwin->client_flags.skip_window_list = 1;
1115 wwin->client_flags.dont_move_off = 1;
1116 wwin->client_flags.no_appicon = 1;
1117 wwin->flags.net_skip_pager = 1;
1118 wwin->frame_x = 0;
1119 wwin->frame_y = 0;
1120 #ifdef VIRTUAL_DESKTOP
1121 wwin->client_flags.virtual_stick = 1;
1122 #endif
1123 } else if (type == net_wm_window_type_dock) {
1124 wwin->client_flags.no_titlebar = 1;
1125 wwin->client_flags.no_resizable = 1;
1126 wwin->client_flags.no_miniaturizable = 1;
1127 wwin->client_flags.no_border = 1; /* XXX: really not a single decoration. */
1128 wwin->client_flags.no_resizebar = 1;
1129 wwin->client_flags.no_shadeable = 1;
1130 wwin->client_flags.no_movable = 1;
1131 wwin->client_flags.omnipresent = 1;
1132 wwin->client_flags.skip_window_list = 1;
1133 wwin->client_flags.dont_move_off = 1;
1134 wwin->flags.net_skip_pager = 1;
1135 #ifdef VIRTUAL_DESKTOP
1136 wwin->client_flags.virtual_stick = 1;
1137 #endif
1138 } else if (type == net_wm_window_type_toolbar) {
1139 wwin->client_flags.no_titlebar = 1;
1140 wwin->client_flags.no_resizable = 1;
1141 wwin->client_flags.no_miniaturizable = 1;
1142 wwin->client_flags.no_resizebar = 1;
1143 wwin->client_flags.no_shadeable = 1;
1144 wwin->client_flags.skip_window_list = 1;
1145 wwin->client_flags.dont_move_off = 1;
1146 wwin->client_flags.no_appicon = 1;
1147 } else if (type == net_wm_window_type_menu) {
1148 wwin->client_flags.no_titlebar = 1;
1149 wwin->client_flags.no_resizable = 1;
1150 wwin->client_flags.no_miniaturizable = 1;
1151 wwin->client_flags.no_resizebar = 1;
1152 wwin->client_flags.no_shadeable = 1;
1153 wwin->client_flags.skip_window_list = 1;
1154 wwin->client_flags.dont_move_off = 1;
1155 wwin->client_flags.no_appicon = 1;
1156 } else if (type == net_wm_window_type_utility) {
1157 wwin->client_flags.no_appicon = 1;
1158 } else if (type == net_wm_window_type_splash) {
1159 wwin->client_flags.no_titlebar = 1;
1160 wwin->client_flags.no_resizable = 1;
1161 wwin->client_flags.no_miniaturizable = 1;
1162 wwin->client_flags.no_resizebar = 1;
1163 wwin->client_flags.no_shadeable = 1;
1164 wwin->client_flags.no_movable = 1;
1165 wwin->client_flags.skip_window_list = 1;
1166 wwin->client_flags.dont_move_off = 1;
1167 wwin->client_flags.no_appicon = 1;
1168 wwin->flags.net_skip_pager = 1;
1169 } else if (type == net_wm_window_type_dialog) {
1170 /* These also seem a bad idea in our context -Dan
1171 // wwin->client_flags.skip_window_list = 1;
1172 // wwin->client_flags.no_appicon = 1;
1173 */
1174 } else if (type == net_wm_window_type_normal) {
1175 } else {
1176 ret = False;
1177 }
1178
1179 wwin->type = type;
1180 *layer = getWindowLayer(wwin);
1181
1182 return ret;
1183 }
1184
1185 void wNETWMPositionSplash(WWindow * wwin, int *x, int *y, int width, int height)
1186 {
1187 if (wwin->type == net_wm_window_type_splash) {
1188 WScreen *scr = wwin->screen_ptr;
1189 WMRect rect = wGetRectForHead(scr, wGetHeadForPointerLocation(scr));
1190 *x = rect.pos.x + (rect.size.width - width) / 2;
1191 *y = rect.pos.y + (rect.size.height - height) / 2;
1192 }
1193 }
1194
1195 static void updateWindowType(WWindow * wwin)
1196 {
1197 Atom type_ret;
1198 int fmt_ret;
1199 unsigned long nitems_ret;
1200 unsigned long bytes_after_ret;
1201 long *data = 0;
1202 int layer;
1203 if (XGetWindowProperty(dpy, wwin->client_win, net_wm_window_type, 0, 1,
1204 False, XA_ATOM, &type_ret, &fmt_ret, &nitems_ret,
1205 &bytes_after_ret, (unsigned char **)&data) == Success && data) {
1206
1207 int i;
1208 Atom *type = (Atom *) data;
1209 for (i = 0; i < nitems_ret; ++i) {
1210 if (handleWindowType(wwin, type[i], &layer))
1211 break;
1212 }
1213 XFree(data);
1214 }
1215
1216 if (wwin->frame != NULL) {
1217 ChangeStackingLevel(wwin->frame->core, layer);
1218 wwin->frame->flags.need_texture_change = 1;
1219 wWindowConfigureBorders(wwin);
1220 wFrameWindowPaint(wwin->frame);
1221 wNETWMUpdateActions(wwin, False);
1222 }
1223 }
1224
1225 Bool wNETWMCheckClientHints(WWindow * wwin, int *layer, int *workspace)
1226 {
1227 Atom type_ret;
1228 int fmt_ret;
1229 unsigned long nitems_ret;
1230 unsigned long bytes_after_ret;
1231 long *data = 0;
1232 Bool hasState = False;
1233 int i;
1234
1235 if (XGetWindowProperty(dpy, wwin->client_win, net_wm_desktop, 0, 1, False,
1236 XA_CARDINAL, &type_ret, &fmt_ret, &nitems_ret,
1237 &bytes_after_ret, (unsigned char **)&data) == Success && data) {
1238
1239 long desktop = *data;
1240 XFree(data);
1241
1242 if (desktop == -1)
1243 wwin->client_flags.omnipresent = 1;
1244 else
1245 *workspace = desktop;
1246
1247 hasState = True;
1248 }
1249
1250 if (XGetWindowProperty(dpy, wwin->client_win, net_wm_state, 0, 1, False,
1251 XA_ATOM, &type_ret, &fmt_ret, &nitems_ret,
1252 &bytes_after_ret, (unsigned char **)&data) == Success && data) {
1253
1254 Atom *state = (Atom *) data;
1255 for (i = 0; i < nitems_ret; ++i) {
1256 doStateAtom(wwin, state[i], _NET_WM_STATE_ADD, True);
1257 }
1258 XFree(data);
1259 hasState = True;
1260 }
1261
1262 if (XGetWindowProperty(dpy, wwin->client_win, net_wm_window_type, 0, 1, False,
1263 XA_ATOM, &type_ret, &fmt_ret, &nitems_ret,
1264 &bytes_after_ret, (unsigned char **)&data) == Success && data) {
1265
1266 Atom *type = (Atom *) data;
1267 for (i = 0; i < nitems_ret; ++i) {
1268 if (handleWindowType(wwin, type[i], layer))
1269 break;
1270 }
1271 XFree(data);
1272 hasState = True;
1273 }
1274
1275 wNETWMUpdateActions(wwin, False);
1276 updateStrut(wwin, False);
1277 if (updateStrut(wwin, True)) {
1278 hasState = True;
1279 }
1280 wScreenUpdateUsableArea(wwin->screen_ptr);
1281
1282 return hasState;
1283 }
1284
1285 static Bool updateNetIconInfo(WWindow * wwin)
1286 {
1287
1288 Atom type_ret;
1289 int fmt_ret;
1290 unsigned long nitems_ret;
1291 unsigned long bytes_after_ret;
1292 long *data = 0;
1293 Bool hasState = False;
1294 Bool old_state = wwin->flags.net_handle_icon;
1295
1296 if (XGetWindowProperty(dpy, wwin->client_win, net_wm_handled_icons, 0, 1, False,
1297 XA_CARDINAL, &type_ret, &fmt_ret, &nitems_ret,
1298 &bytes_after_ret, (unsigned char **)&data) == Success && data) {
1299 long handled = *data;
1300 wwin->flags.net_handle_icon = (handled != 0);
1301 XFree(data);
1302 hasState = True;
1303
1304 } else
1305 wwin->flags.net_handle_icon = False;
1306
1307 if (XGetWindowProperty(dpy, wwin->client_win, net_wm_icon_geometry, 0, 4, False,
1308 XA_CARDINAL, &type_ret, &fmt_ret, &nitems_ret,
1309 &bytes_after_ret, (unsigned char **)&data) == Success && data) {
1310
1311 #ifdef NETWM_PROPER
1312 if (wwin->flags.net_handle_icon)
1313 #else
1314 wwin->flags.net_handle_icon = True;
1315 #endif
1316 {
1317 wwin->icon_x = data[0];
1318 wwin->icon_y = data[1];
1319 wwin->icon_w = data[2];
1320 wwin->icon_h = data[3];
1321 }
1322
1323 XFree(data);
1324 hasState = True;
1325
1326 } else
1327 wwin->flags.net_handle_icon = False;
1328
1329 if (wwin->flags.miniaturized && old_state != wwin->flags.net_handle_icon) {
1330 if (wwin->flags.net_handle_icon) {
1331 removeIcon(wwin);
1332 } else {
1333 wwin->flags.miniaturized = False;
1334 wwin->flags.skip_next_animation = True;
1335 wIconifyWindow(wwin);
1336 }
1337 }
1338
1339 return hasState;
1340 }
1341
1342 Bool wNETWMCheckInitialClientState(WWindow * wwin)
1343 {
1344 Bool hasState = False;
1345
1346 #ifdef DEBUG_WMSPEC
1347 printf("CheckInitialClientState\n");
1348 #endif
1349
1350 wNETWMShowingDesktop(wwin->screen_ptr, False);
1351
1352 hasState |= updateNetIconInfo(wwin);
1353
1354 updateIconImage(wwin->screen_ptr, wwin);
1355
1356 return hasState;
1357 }
1358
1359 static void handleDesktopNames(XClientMessageEvent * event, WScreen * scr)
1360 {
1361 unsigned long nitems_ret, bytes_after_ret;
1362 char *data, *names[32];
1363 int fmt_ret, i, n;
1364 Atom type_ret;
1365
1366 if (XGetWindowProperty(dpy, scr->root_win, net_desktop_names, 0, 1, False,
1367 utf8_string, &type_ret, &fmt_ret, &nitems_ret,
1368 &bytes_after_ret, (unsigned char **)&data) != Success) {
1369 return;
1370 }
1371
1372 if (data == 0)
1373 return;
1374
1375 if (type_ret != utf8_string || fmt_ret != 8)
1376 return;
1377
1378 n = 0;
1379 names[n] = data;
1380 for (i = 0; i < nitems_ret; i++) {
1381 if (data[i] == 0) {
1382 n++;
1383 names[n] = &data[i];
1384 } else if (*names[n] == 0) {
1385 names[n] = &data[i];
1386 wWorkspaceRename(scr, n, names[n]);
1387 }
1388 }
1389 }
1390
1391 Bool wNETWMProcessClientMessage(XClientMessageEvent * event)
1392 {
1393 WScreen *scr;
1394 WWindow *wwin;
1395 Bool done = True;
1396
1397 #ifdef DEBUG_WMSPEC
1398 printf("processClientMessage type %s\n", XGetAtomName(dpy, event->message_type));
1399 #endif
1400
1401 scr = wScreenForWindow(event->window);
1402 if (scr) {
1403 /* generic client messages */
1404 if (event->message_type == net_current_desktop) {
1405 wWorkspaceChange(scr, event->data.l[0]);
1406 } else if (event->message_type == net_number_of_desktops) {
1407 long value;
1408
1409 value = event->data.l[0];
1410 if (value > scr->workspace_count) {
1411 wWorkspaceMake(scr, value - scr->workspace_count);
1412 } else if (value < scr->workspace_count) {
1413 int i;
1414 Bool rebuild = False;
1415
1416 for (i = scr->workspace_count - 1; i >= value; i--) {
1417 if (!wWorkspaceDelete(scr, i)) {
1418 rebuild = True;
1419 break;
1420 }
1421 }
1422
1423 if (rebuild) {
1424 updateWorkspaceCount(scr);
1425 }
1426 }
1427 } else if (event->message_type == net_showing_desktop) {
1428 wNETWMShowingDesktop(scr, event->data.l[0]);
1429 #ifdef VIRTUAL_DESKTOP
1430 } else if (event->message_type == net_desktop_viewport) {
1431 wWorkspaceSetViewport(scr, scr->current_workspace, event->data.l[0], event->data.l[1]);
1432 #endif
1433 } else if (event->message_type == net_desktop_names) {
1434 handleDesktopNames(event, scr);
1435 } else {
1436 done = False;
1437 }
1438
1439 if (done)
1440 return True;
1441 }
1442
1443 /* window specific client messages */
1444
1445 wwin = wWindowFor(event->window);
1446 if (!wwin)
1447 return False;
1448
1449 if (event->message_type == net_active_window) {
1450 /*
1451 * Firefox sends aditional 'net_active_window' signals on startup if
1452 * multiple tabs are open. That causes unnecessary workspace switching if
1453 * those signals come from other workspaces. Therefore we also check if
1454 * we should ignore these spurious focus across workspaces requests (but
1455 * allow the switching if it comes from a pager).
1456 */
1457 if (wwin->frame->workspace == wwin->screen_ptr->current_workspace
1458 || !WFLAGP(wwin, dont_focus_across_wksp) || event->data.l[0] == 2) {
1459 wNETWMShowingDesktop(scr, False);
1460 wMakeWindowVisible(wwin);
1461 }
1462 } else if (event->message_type == net_close_window) {
1463 if (!WFLAGP(wwin, no_closable)) {
1464 if (wwin->protocols.DELETE_WINDOW)
1465 wClientSendProtocol(wwin, _XA_WM_DELETE_WINDOW, LastTimestamp);
1466 }
1467 } else if (event->message_type == net_wm_state) {
1468 int maximized = wwin->flags.maximized;
1469 long set = event->data.l[0];
1470
1471 #ifdef DEBUG_WMSPEC
1472 printf("net_wm_state set %d a1 %s a2 %s\n", set,
1473 XGetAtomName(dpy, event->data.l[1]), XGetAtomName(dpy, event->data.l[2]));
1474 #endif
1475
1476 doStateAtom(wwin, (Atom) event->data.l[1], set, False);
1477 if (event->data.l[2])
1478 doStateAtom(wwin, (Atom) event->data.l[2], set, False);
1479
1480 if (wwin->flags.maximized != maximized) {
1481 if (!wwin->flags.maximized) {
1482 wwin->flags.maximized = maximized;
1483 wUnmaximizeWindow(wwin);
1484 } else {
1485 wMaximizeWindow(wwin, wwin->flags.maximized);
1486 }
1487 }
1488 updateStateHint(wwin, False, False);
1489 } else if (event->message_type == net_wm_handled_icons || event->message_type == net_wm_icon_geometry) {
1490 updateNetIconInfo(wwin);
1491 } else if (event->message_type == net_wm_desktop) {
1492 long desktop = event->data.l[0];
1493 if (desktop == -1) {
1494 wWindowSetOmnipresent(wwin, True);
1495 } else {
1496 if (IS_OMNIPRESENT(wwin))
1497 wWindowSetOmnipresent(wwin, False);
1498 wWindowChangeWorkspace(wwin, desktop);
1499 }
1500 } else if (event->message_type == net_wm_icon) {
1501 updateIconImage(scr, wwin);
1502 } else {
1503 done = False;
1504 }
1505
1506 return done;
1507 }
1508
1509 Bool wNETWMCheckClientHintChange(WWindow * wwin, XPropertyEvent * event)
1510 {
1511 Bool ret = True;
1512
1513 if (event->atom == net_wm_strut) {
1514 updateStrut(wwin, False);
1515 updateStrut(wwin, True);
1516 wScreenUpdateUsableArea(wwin->screen_ptr);
1517 } else if (event->atom == net_wm_handled_icons || event->atom == net_wm_icon_geometry) {
1518 updateNetIconInfo(wwin);
1519 } else if (event->atom == net_wm_window_type) {
1520 updateWindowType(wwin);
1521 } else if (event->atom == net_wm_name) {
1522 char *name = wNETWMGetWindowName(wwin->client_win);
1523 wWindowUpdateName(wwin, name);
1524 if (name)
1525 wfree(name);
1526 } else if (event->atom == net_wm_icon_name) {
1527 if (wwin->icon) {
1528 char *name = wNETWMGetIconName(wwin->client_win);
1529 wIconChangeTitle(wwin->icon, name);
1530 }
1531 } else {
1532 ret = False;
1533 }
1534
1535 return ret;
1536 }
1537
1538 int wNETWMGetPidForWindow(Window window)
1539 {
1540 Atom type_ret;
1541 int fmt_ret;
1542 unsigned long nitems_ret;
1543 unsigned long bytes_after_ret;
1544 long *data = 0;
1545 int pid;
1546
1547 if (XGetWindowProperty(dpy, window, net_wm_pid, 0, 1, False,
1548 XA_CARDINAL, &type_ret, &fmt_ret, &nitems_ret,
1549 &bytes_after_ret, (unsigned char **)&data) == Success && data) {
1550
1551 pid = *data;
1552 XFree(data);
1553 } else {
1554 pid = 0;
1555 }
1556
1557 return pid;
1558 }
1559
1560 char *wNETWMGetWindowName(Window window)
1561 {
1562 char *name;
1563 char *ret;
1564 int size;
1565
1566 name = (char *)PropGetCheckProperty(window, net_wm_name, utf8_string, 0, 0, &size);
1567 if (name) {
1568 ret = wstrndup(name, size);
1569 XFree(name);
1570 } else
1571 ret = NULL;
1572 return ret;
1573 }
1574
1575 char *wNETWMGetIconName(Window window)
1576 {
1577 char *name;
1578 char *ret;
1579 int size;
1580
1581 name = (char *)PropGetCheckProperty(window, net_wm_icon_name, utf8_string, 0, 0, &size);
1582 if (name) {
1583 ret = wstrndup(name, size);
1584 XFree(name);
1585 } else
1586 ret = NULL;
1587 return ret;
1588 }
1589
1590 static void observer(void *self, WMNotification * notif)
1591 {
1592 WWindow *wwin = (WWindow *) WMGetNotificationObject(notif);
1593 const char *name = WMGetNotificationName(notif);
1594 void *data = WMGetNotificationClientData(notif);
1595 NetData *ndata = (NetData *) self;
1596
1597 if (strcmp(name, WMNManaged) == 0 && wwin) {
1598 updateClientList(wwin->screen_ptr);
1599 updateClientListStacking(wwin->screen_ptr, NULL);
1600 updateStateHint(wwin, True, False);
1601
1602 updateStrut(wwin, False);
1603 updateStrut(wwin, True);
1604 wScreenUpdateUsableArea(wwin->screen_ptr);
1605 } else if (strcmp(name, WMNUnmanaged) == 0 && wwin) {
1606 updateClientList(wwin->screen_ptr);
1607 updateClientListStacking(wwin->screen_ptr, wwin);
1608 updateWorkspaceHint(wwin, False, True);
1609 updateStateHint(wwin, False, True);
1610 wNETWMUpdateActions(wwin, True);
1611
1612 updateStrut(wwin, False);
1613 wScreenUpdateUsableArea(wwin->screen_ptr);
1614 } else if (strcmp(name, WMNResetStacking) == 0 && wwin) {
1615 updateClientListStacking(wwin->screen_ptr, NULL);
1616 updateStateHint(wwin, False, False);
1617 } else if (strcmp(name, WMNChangedStacking) == 0 && wwin) {
1618 updateClientListStacking(wwin->screen_ptr, NULL);
1619 updateStateHint(wwin, False, False);
1620 } else if (strcmp(name, WMNChangedFocus) == 0) {
1621 updateFocusHint(ndata->scr, wwin);
1622 } else if (strcmp(name, WMNChangedWorkspace) == 0 && wwin) {
1623 updateWorkspaceHint(wwin, False, False);
1624 updateStateHint(wwin, True, False);
1625 } else if (strcmp(name, WMNChangedState) == 0 && wwin) {
1626 updateStateHint(wwin, !strcmp(data, "omnipresent"), False);
1627 }
1628 }
1629
1630 static void wsobserver(void *self, WMNotification * notif)
1631 {
1632 WScreen *scr = (WScreen *) WMGetNotificationObject(notif);
1633 const char *name = WMGetNotificationName(notif);
1634
1635 if (strcmp(name, WMNWorkspaceCreated) == 0) {
1636 updateWorkspaceCount(scr);
1637 updateWorkspaceNames(scr);
1638 } else if (strcmp(name, WMNWorkspaceDestroyed) == 0) {
1639 updateWorkspaceCount(scr);
1640 updateWorkspaceNames(scr);
1641 } else if (strcmp(name, WMNWorkspaceChanged) == 0) {
1642 updateCurrentWorkspace(scr);
1643 } else if (strcmp(name, WMNWorkspaceNameChanged) == 0) {
1644 updateWorkspaceNames(scr);
1645 }
1646 }
The Window Maker window manager