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wNETWMCheckInitialClientState is now void
[wmaker-crm.git] / src / wmspec.c
blobd2b335b28ecf6adf763a85dfe10cfac9b772a7e3
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 along
18 * with this program; if not, write to the Free Software Foundation, Inc.,
19 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
20 */
21
22 /*
23 * TODO
24 * ----
25 *
26 * This file needs to be checked for all calls to XGetWindowProperty() and
27 * proper checks need to be made on the returned values. Only checking for
28 * return to be Success is not enough. -Dan
29 */
30
31 #include "wconfig.h"
32
33 #include <X11/Xlib.h>
34 #include <X11/Xatom.h>
35 #include <X11/Xarch.h>
36 #include <string.h>
37
38 #include <WINGs/WUtil.h>
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 "appicon.h"
47 #include "wmspec.h"
48 #include "icon.h"
49 #include "stacking.h"
50 #include "xinerama.h"
51 #include "properties.h"
52
53 /* Global variables */
54 extern Atom _XA_WM_DELETE_WINDOW;
55 extern Time LastTimestamp;
56 extern WPreferences wPreferences;
57
58 /* Root Window Properties */
59 static Atom net_supported;
60 static Atom net_client_list;
61 static Atom net_client_list_stacking;
62 static Atom net_number_of_desktops;
63 static Atom net_desktop_geometry;
64 static Atom net_desktop_viewport;
65 static Atom net_current_desktop;
66 static Atom net_desktop_names;
67 static Atom net_active_window;
68 static Atom net_supporting_wm_check;
69 static Atom net_virtual_roots; /* N/A */
70 static Atom net_desktop_layout; /* XXX */
71 static Atom net_showing_desktop;
72
73 /* Other Root Window Messages */
74 static Atom net_close_window;
75 static Atom net_moveresize_window; /* TODO */
76 static Atom net_wm_moveresize; /* TODO */
77
78 /* Application Window Properties */
79 static Atom net_wm_name;
80 static Atom net_wm_visible_name; /* TODO (unnecessary?) */
81 static Atom net_wm_icon_name;
82 static Atom net_wm_visible_icon_name; /* TODO (unnecessary?) */
83 static Atom net_wm_desktop;
84 static Atom net_wm_window_type;
85 static Atom net_wm_window_type_desktop;
86 static Atom net_wm_window_type_dock;
87 static Atom net_wm_window_type_toolbar;
88 static Atom net_wm_window_type_menu;
89 static Atom net_wm_window_type_utility;
90 static Atom net_wm_window_type_splash;
91 static Atom net_wm_window_type_dialog;
92 static Atom net_wm_window_type_normal;
93 static Atom net_wm_state;
94 static Atom net_wm_state_modal; /* XXX: what is this?!? */
95 static Atom net_wm_state_sticky;
96 static Atom net_wm_state_maximized_vert;
97 static Atom net_wm_state_maximized_horz;
98 static Atom net_wm_state_shaded;
99 static Atom net_wm_state_skip_taskbar;
100 static Atom net_wm_state_skip_pager;
101 static Atom net_wm_state_hidden;
102 static Atom net_wm_state_fullscreen;
103 static Atom net_wm_state_above;
104 static Atom net_wm_state_below;
105 static Atom net_wm_allowed_actions;
106 static Atom net_wm_action_move;
107 static Atom net_wm_action_resize;
108 static Atom net_wm_action_minimize;
109 static Atom net_wm_action_shade;
110 static Atom net_wm_action_stick;
111 static Atom net_wm_action_maximize_horz;
112 static Atom net_wm_action_maximize_vert;
113 static Atom net_wm_action_fullscreen;
114 static Atom net_wm_action_change_desktop;
115 static Atom net_wm_action_close;
116 static Atom net_wm_strut; /* XXX: see net_workarea */
117 static Atom net_wm_strut_partial; /* TODO: doesn't really fit into the current strut scheme */
118 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. */
119 static Atom net_wm_icon;
120 static Atom net_wm_pid; /* TODO */
121 static Atom net_wm_handled_icons; /* FIXME: see net_wm_icon_geometry */
122
123 static Atom net_frame_extents;
124
125 /* Window Manager Protocols */
126 static Atom net_wm_ping; /* TODO */
127
128 static Atom utf8_string;
129
130 typedef struct {
131 char *name;
132 Atom *atom;
133 } atomitem_t;
134
135 static atomitem_t atomNames[] = {
136 {"_NET_SUPPORTED", &net_supported},
137 {"_NET_CLIENT_LIST", &net_client_list},
138 {"_NET_CLIENT_LIST_STACKING", &net_client_list_stacking},
139 {"_NET_NUMBER_OF_DESKTOPS", &net_number_of_desktops},
140 {"_NET_DESKTOP_GEOMETRY", &net_desktop_geometry},
141 {"_NET_DESKTOP_VIEWPORT", &net_desktop_viewport},
142 {"_NET_CURRENT_DESKTOP", &net_current_desktop},
143 {"_NET_DESKTOP_NAMES", &net_desktop_names},
144 {"_NET_ACTIVE_WINDOW", &net_active_window},
145 {"_NET_SUPPORTING_WM_CHECK", &net_supporting_wm_check},
146 {"_NET_VIRTUAL_ROOTS", &net_virtual_roots},
147 {"_NET_DESKTOP_LAYOUT", &net_desktop_layout},
148 {"_NET_SHOWING_DESKTOP", &net_showing_desktop},
149
150 {"_NET_CLOSE_WINDOW", &net_close_window},
151 {"_NET_MOVERESIZE_WINDOW", &net_moveresize_window},
152 {"_NET_WM_MOVERESIZE", &net_wm_moveresize},
153
154 {"_NET_WM_NAME", &net_wm_name},
155 {"_NET_WM_VISIBLE_NAME", &net_wm_visible_name},
156 {"_NET_WM_ICON_NAME", &net_wm_icon_name},
157 {"_NET_WM_VISIBLE_ICON_NAME", &net_wm_visible_icon_name},
158 {"_NET_WM_DESKTOP", &net_wm_desktop},
159 {"_NET_WM_WINDOW_TYPE", &net_wm_window_type},
160 {"_NET_WM_WINDOW_TYPE_DESKTOP", &net_wm_window_type_desktop},
161 {"_NET_WM_WINDOW_TYPE_DOCK", &net_wm_window_type_dock},
162 {"_NET_WM_WINDOW_TYPE_TOOLBAR", &net_wm_window_type_toolbar},
163 {"_NET_WM_WINDOW_TYPE_MENU", &net_wm_window_type_menu},
164 {"_NET_WM_WINDOW_TYPE_UTILITY", &net_wm_window_type_utility},
165 {"_NET_WM_WINDOW_TYPE_SPLASH", &net_wm_window_type_splash},
166 {"_NET_WM_WINDOW_TYPE_DIALOG", &net_wm_window_type_dialog},
167 {"_NET_WM_WINDOW_TYPE_NORMAL", &net_wm_window_type_normal},
168 {"_NET_WM_STATE", &net_wm_state},
169 {"_NET_WM_STATE_MODAL", &net_wm_state_modal},
170 {"_NET_WM_STATE_STICKY", &net_wm_state_sticky},
171 {"_NET_WM_STATE_MAXIMIZED_VERT", &net_wm_state_maximized_vert},
172 {"_NET_WM_STATE_MAXIMIZED_HORZ", &net_wm_state_maximized_horz},
173 {"_NET_WM_STATE_SHADED", &net_wm_state_shaded},
174 {"_NET_WM_STATE_SKIP_TASKBAR", &net_wm_state_skip_taskbar},
175 {"_NET_WM_STATE_SKIP_PAGER", &net_wm_state_skip_pager},
176 {"_NET_WM_STATE_HIDDEN", &net_wm_state_hidden},
177 {"_NET_WM_STATE_FULLSCREEN", &net_wm_state_fullscreen},
178 {"_NET_WM_STATE_ABOVE", &net_wm_state_above},
179 {"_NET_WM_STATE_BELOW", &net_wm_state_below},
180 {"_NET_WM_ALLOWED_ACTIONS", &net_wm_allowed_actions},
181 {"_NET_WM_ACTION_MOVE", &net_wm_action_move},
182 {"_NET_WM_ACTION_RESIZE", &net_wm_action_resize},
183 {"_NET_WM_ACTION_MINIMIZE", &net_wm_action_minimize},
184 {"_NET_WM_ACTION_SHADE", &net_wm_action_shade},
185 {"_NET_WM_ACTION_STICK", &net_wm_action_stick},
186 {"_NET_WM_ACTION_MAXIMIZE_HORZ", &net_wm_action_maximize_horz},
187 {"_NET_WM_ACTION_MAXIMIZE_VERT", &net_wm_action_maximize_vert},
188 {"_NET_WM_ACTION_FULLSCREEN", &net_wm_action_fullscreen},
189 {"_NET_WM_ACTION_CHANGE_DESKTOP", &net_wm_action_change_desktop},
190 {"_NET_WM_ACTION_CLOSE", &net_wm_action_close},
191 {"_NET_WM_STRUT", &net_wm_strut},
192 {"_NET_WM_STRUT_PARTIAL", &net_wm_strut_partial},
193 {"_NET_WM_ICON_GEOMETRY", &net_wm_icon_geometry},
194 {"_NET_WM_ICON", &net_wm_icon},
195 {"_NET_WM_PID", &net_wm_pid},
196 {"_NET_WM_HANDLED_ICONS", &net_wm_handled_icons},
197
198 {"_NET_FRAME_EXTENTS", &net_frame_extents},
199
200 {"_NET_WM_PING", &net_wm_ping},
201
202 {"UTF8_STRING", &utf8_string},
203 };
204
205 #define atomNr (sizeof(atomNames)/sizeof(atomitem_t))
206
207 #define _NET_WM_STATE_REMOVE 0
208 #define _NET_WM_STATE_ADD 1
209 #define _NET_WM_STATE_TOGGLE 2
210
211 #define _NET_WM_MOVERESIZE_SIZE_TOPLEFT 0
212 #define _NET_WM_MOVERESIZE_SIZE_TOP 1
213 #define _NET_WM_MOVERESIZE_SIZE_TOPRIGHT 2
214 #define _NET_WM_MOVERESIZE_SIZE_RIGHT 3
215 #define _NET_WM_MOVERESIZE_SIZE_BOTTOMRIGHT 4
216 #define _NET_WM_MOVERESIZE_SIZE_BOTTOM 5
217 #define _NET_WM_MOVERESIZE_SIZE_BOTTOMLEFT 6
218 #define _NET_WM_MOVERESIZE_SIZE_LEFT 7
219 #define _NET_WM_MOVERESIZE_MOVE 8 /* movement only */
220 #define _NET_WM_MOVERESIZE_SIZE_KEYBOARD 9 /* size via keyboard */
221 #define _NET_WM_MOVERESIZE_MOVE_KEYBOARD 10 /* move via keyboard */
222
223 static void observer(void *self, WMNotification * notif);
224 static void wsobserver(void *self, WMNotification * notif);
225
226 static void updateClientList(WScreen * scr);
227 static void updateClientListStacking(WScreen * scr, WWindow *);
228
229 static void updateWorkspaceNames(WScreen * scr);
230 static void updateCurrentWorkspace(WScreen * scr);
231 static void updateWorkspaceCount(WScreen * scr);
232 static void wNETWMShowingDesktop(WScreen *scr, Bool show);
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_supporting_wm_check;
257 atom[i++] = net_showing_desktop;
258 #if 0
259 atom[i++] = net_wm_moveresize;
260 #endif
261 atom[i++] = net_wm_desktop;
262 atom[i++] = net_wm_window_type;
263 atom[i++] = net_wm_window_type_desktop;
264 atom[i++] = net_wm_window_type_dock;
265 atom[i++] = net_wm_window_type_toolbar;
266 atom[i++] = net_wm_window_type_menu;
267 atom[i++] = net_wm_window_type_utility;
268 atom[i++] = net_wm_window_type_splash;
269 atom[i++] = net_wm_window_type_dialog;
270 atom[i++] = net_wm_window_type_normal;
271
272 atom[i++] = net_wm_state;
273 /* atom[i++] = net_wm_state_modal; *//* XXX: not sure where/when to use it. */
274 atom[i++] = net_wm_state_sticky;
275 atom[i++] = net_wm_state_shaded;
276 atom[i++] = net_wm_state_maximized_horz;
277 atom[i++] = net_wm_state_maximized_vert;
278 atom[i++] = net_wm_state_skip_taskbar;
279 atom[i++] = net_wm_state_skip_pager;
280 atom[i++] = net_wm_state_hidden;
281 atom[i++] = net_wm_state_fullscreen;
282 atom[i++] = net_wm_state_above;
283 atom[i++] = net_wm_state_below;
284
285 atom[i++] = net_wm_allowed_actions;
286 atom[i++] = net_wm_action_move;
287 atom[i++] = net_wm_action_resize;
288 atom[i++] = net_wm_action_minimize;
289 atom[i++] = net_wm_action_shade;
290 atom[i++] = net_wm_action_stick;
291 atom[i++] = net_wm_action_maximize_horz;
292 atom[i++] = net_wm_action_maximize_vert;
293 atom[i++] = net_wm_action_fullscreen;
294 atom[i++] = net_wm_action_change_desktop;
295 atom[i++] = net_wm_action_close;
296
297 atom[i++] = net_wm_strut;
298 atom[i++] = net_wm_icon_geometry;
299 atom[i++] = net_wm_icon;
300 atom[i++] = net_wm_handled_icons;
301
302 atom[i++] = net_frame_extents;
303
304 atom[i++] = net_wm_name;
305 atom[i++] = net_wm_icon_name;
306
307 XChangeProperty(dpy, scr->root_win, net_supported, XA_ATOM, 32, PropModeReplace, (unsigned char *)atom, i);
308
309 /* set supporting wm hint */
310 XChangeProperty(dpy, scr->root_win, net_supporting_wm_check, XA_WINDOW, 32,
311 PropModeReplace, (unsigned char *)&scr->info_window, 1);
312
313 XChangeProperty(dpy, scr->info_window, net_supporting_wm_check, XA_WINDOW,
314 32, PropModeReplace, (unsigned char *)&scr->info_window, 1);
315 }
316
317 void wNETWMUpdateDesktop(WScreen * scr)
318 {
319 long *views, sizes[2];
320 int count, i;
321
322 if (scr->workspace_count == 0)
323 return;
324
325 count = scr->workspace_count * 2;
326 views = wmalloc(sizeof(long) * count);
327 /*memset(views, 0, sizeof(long) * count); */
328 sizes[0] = scr->scr_width;
329 sizes[1] = scr->scr_height;
330
331 for (i = 0; i < scr->workspace_count; i++) {
332 views[2 * i + 0] = 0;
333 views[2 * i + 1] = 0;
334 }
335
336 XChangeProperty(dpy, scr->root_win, net_desktop_geometry, XA_CARDINAL, 32,
337 PropModeReplace, (unsigned char *)sizes, 2);
338
339 XChangeProperty(dpy, scr->root_win, net_desktop_viewport, XA_CARDINAL, 32,
340 PropModeReplace, (unsigned char *)views, count);
341
342 wfree(views);
343 }
344
345 int wNETWMGetCurrentDesktopFromHint(WScreen * scr)
346 {
347 int count;
348 unsigned char *prop;
349
350 prop = PropGetCheckProperty(scr->root_win, net_current_desktop, XA_CARDINAL, 0, 1, &count);
351 if (prop) {
352 int desktop = *(long *)prop;
353 XFree(prop);
354 return desktop;
355 }
356 return -1;
357 }
358
359 /*
360 * Find the best icon to be used by Window Maker for appicon/miniwindows.
361 * Currently the algorithm is to take the image with the size closest
362 * to icon_size x icon_size, but never bigger than that.
363 *
364 * This algorithm is very poorly implemented and needs to be redone (it can
365 * easily select images with very large widths and very small heights over
366 * square images, if the area of the former is closer to the desired one).
367 *
368 * The logic can also be changed to accept bigger images and scale them down.
369 */
370 static unsigned long *findBestIcon(unsigned long *data, unsigned long items)
371 {
372 int size, wanted, d;
373 unsigned long i, distance;
374 unsigned long *icon;
375
376 /* better use only 75% of icon_size. For 64x64 this means 48x48
377 * This leaves room around the icon for the miniwindow title and
378 * results in better overall aesthetics -Dan */
379 wanted = wPreferences.icon_size * wPreferences.icon_size;
380
381 for (icon = NULL, distance = wanted, i = 0L; i < items - 1;) {
382 size = data[i] * data[i + 1];
383 if (size == 0)
384 break;
385 d = wanted - size;
386 if (d >= 0 && d <= distance && (i + size + 2) <= items) {
387 distance = d;
388 icon = &data[i];
389 }
390 i += size + 2;
391 }
392
393 return icon;
394 }
395
396 static RImage *makeRImageFromARGBData(unsigned long *data)
397 {
398 int size, width, height, i;
399 RImage *image;
400 unsigned char *imgdata;
401 unsigned long pixel;
402
403 width = data[0];
404 height = data[1];
405 size = width * height;
406
407 if (size == 0)
408 return NULL;
409
410 image = RCreateImage(width, height, True);
411
412 for (imgdata = image->data, i = 2; i < size + 2; i++, imgdata += 4) {
413 pixel = data[i];
414 imgdata[3] = (pixel >> 24) & 0xff; /* A */
415 imgdata[0] = (pixel >> 16) & 0xff; /* R */
416 imgdata[1] = (pixel >> 8) & 0xff; /* G */
417 imgdata[2] = (pixel >> 0) & 0xff; /* B */
418 }
419
420 return image;
421 }
422
423 static RImage *get_wwindow_image_from_x11(WWindow *wwin)
424 {
425 RImage *image;
426 Atom type;
427 int format;
428 unsigned long items, rest;
429 unsigned long *property, *data;
430
431 /* Get the icon from X11 Window */
432 if (XGetWindowProperty(dpy, wwin->client_win, net_wm_icon, 0L, LONG_MAX,
433 False, XA_CARDINAL, &type, &format, &items, &rest,
434 (unsigned char **)&property) != Success || !property)
435 return NULL;
436
437 if (type != XA_CARDINAL || format != 32 || items < 2) {
438 XFree(property);
439 return NULL;
440 }
441
442 /* Find the best icon */
443 data = findBestIcon(property, items);
444 if (!data) {
445 XFree(property);
446 return NULL;
447 }
448
449 /* Save the best icon in the X11 icon */
450 image = makeRImageFromARGBData(data);
451
452 XFree(property);
453
454 /* Resize the image to the correct value */
455 image = wIconValidateIconSize(image, wPreferences.icon_size);
456
457 return image;
458 }
459
460 static void updateIconImage(WWindow *wwin)
461 {
462 /* Remove the icon image from X11 */
463 if (wwin->net_icon_image)
464 RReleaseImage(wwin->net_icon_image);
465
466 /* Save the icon in the X11 icon */
467 wwin->net_icon_image = get_wwindow_image_from_x11(wwin);
468
469 /* Refresh the Window Icon */
470 if (wwin->icon)
471 wIconUpdate(wwin->icon);
472
473 /* Refresh the application icon */
474 WApplication *app = wApplicationOf(wwin->main_window);
475 if (app && app->app_icon) {
476 wIconUpdate(app->app_icon->icon);
477 wAppIconPaint(app->app_icon);
478 }
479 }
480
481 static void updateShowDesktop(WScreen * scr, Bool show)
482 {
483 long foo;
484
485 foo = (show == True);
486 XChangeProperty(dpy, scr->root_win, net_showing_desktop, XA_CARDINAL, 32,
487 PropModeReplace, (unsigned char *)&foo, 1);
488 }
489
490 static void wNETWMShowingDesktop(WScreen *scr, Bool show)
491 {
492 if (show && scr->netdata->show_desktop == NULL) {
493 WWindow *tmp, **wins;
494 int i = 0;
495
496 wins = (WWindow **) wmalloc(sizeof(WWindow *) * (scr->window_count + 1));
497
498 tmp = scr->focused_window;
499 while (tmp) {
500 if (!tmp->flags.hidden && !tmp->flags.miniaturized && !WFLAGP(tmp, skip_window_list)) {
501
502 wins[i++] = tmp;
503 tmp->flags.skip_next_animation = 1;
504 tmp->flags.net_show_desktop = 1;
505 wIconifyWindow(tmp);
506 }
507
508 tmp = tmp->prev;
509 }
510 wins[i++] = NULL;
511
512 scr->netdata->show_desktop = wins;
513 updateShowDesktop(scr, True);
514 } else if (scr->netdata->show_desktop != NULL) {
515 /* FIXME: get rid of workspace flashing ! */
516 int ws = scr->current_workspace;
517 WWindow **tmp;
518 for (tmp = scr->netdata->show_desktop; *tmp; ++tmp) {
519 wDeiconifyWindow(*tmp);
520 (*tmp)->flags.net_show_desktop = 0;
521 }
522 if (ws != scr->current_workspace)
523 wWorkspaceChange(scr, ws);
524 wfree(scr->netdata->show_desktop);
525 scr->netdata->show_desktop = NULL;
526 updateShowDesktop(scr, False);
527 }
528 }
529
530 void wNETWMInitStuff(WScreen * scr)
531 {
532 NetData *data;
533 int i;
534
535 #ifdef DEBUG_WMSPEC
536 wmessage("wNETWMInitStuff");
537 #endif
538
539 #ifdef HAVE_XINTERNATOMS
540 {
541 Atom atoms[atomNr];
542 char *names[atomNr];
543
544 for (i = 0; i < atomNr; ++i) {
545 names[i] = atomNames[i].name;
546 }
547 XInternAtoms(dpy, &names[0], atomNr, False, atoms);
548 for (i = 0; i < atomNr; ++i) {
549 *atomNames[i].atom = atoms[i];
550 }
551 }
552 #else
553 for (i = 0; i < atomNr; i++) {
554 *atomNames[i].atom = XInternAtom(dpy, atomNames[i].name, False);
555 }
556 #endif
557
558 data = wmalloc(sizeof(NetData));
559 data->scr = scr;
560 data->strut = NULL;
561 data->show_desktop = NULL;
562
563 scr->netdata = data;
564
565 setSupportedHints(scr);
566
567 WMAddNotificationObserver(observer, data, WMNManaged, NULL);
568 WMAddNotificationObserver(observer, data, WMNUnmanaged, NULL);
569 WMAddNotificationObserver(observer, data, WMNChangedWorkspace, NULL);
570 WMAddNotificationObserver(observer, data, WMNChangedState, NULL);
571 WMAddNotificationObserver(observer, data, WMNChangedFocus, NULL);
572 WMAddNotificationObserver(observer, data, WMNChangedStacking, NULL);
573 WMAddNotificationObserver(observer, data, WMNChangedName, NULL);
574
575 WMAddNotificationObserver(wsobserver, data, WMNWorkspaceCreated, NULL);
576 WMAddNotificationObserver(wsobserver, data, WMNWorkspaceDestroyed, NULL);
577 WMAddNotificationObserver(wsobserver, data, WMNWorkspaceChanged, NULL);
578 WMAddNotificationObserver(wsobserver, data, WMNWorkspaceNameChanged, NULL);
579
580 updateClientList(scr);
581 updateClientListStacking(scr, NULL);
582 updateWorkspaceCount(scr);
583 updateWorkspaceNames(scr);
584 updateShowDesktop(scr, False);
585
586 wScreenUpdateUsableArea(scr);
587 }
588
589 void wNETWMCleanup(WScreen * scr)
590 {
591 int i;
592
593 for (i = 0; i < atomNr; i++)
594 XDeleteProperty(dpy, scr->root_win, *atomNames[i].atom);
595 }
596
597 void wNETWMUpdateActions(WWindow * wwin, Bool del)
598 {
599 Atom action[10]; /* nr of actions atoms defined */
600 int i = 0;
601
602 if (del) {
603 XDeleteProperty(dpy, wwin->client_win, net_wm_allowed_actions);
604 return;
605 }
606
607 if (IS_MOVABLE(wwin))
608 action[i++] = net_wm_action_move;
609
610 if (IS_RESIZABLE(wwin))
611 action[i++] = net_wm_action_resize;
612
613 if (!WFLAGP(wwin, no_miniaturizable))
614 action[i++] = net_wm_action_minimize;
615
616 if (!WFLAGP(wwin, no_shadeable))
617 action[i++] = net_wm_action_shade;
618
619 /* if (!WFLAGP(wwin, no_stickable)) */
620 action[i++] = net_wm_action_stick;
621
622 /* if (!(WFLAGP(wwin, no_maximizeable) & MAX_HORIZONTAL)) */
623 if (IS_RESIZABLE(wwin))
624 action[i++] = net_wm_action_maximize_horz;
625
626 /* if (!(WFLAGP(wwin, no_maximizeable) & MAX_VERTICAL)) */
627 if (IS_RESIZABLE(wwin))
628 action[i++] = net_wm_action_maximize_vert;
629
630 /* if (!WFLAGP(wwin, no_fullscreen)) */
631 action[i++] = net_wm_action_fullscreen;
632
633 /* if (!WFLAGP(wwin, no_change_desktop)) */
634 action[i++] = net_wm_action_change_desktop;
635
636 if (!WFLAGP(wwin, no_closable))
637 action[i++] = net_wm_action_close;
638
639 XChangeProperty(dpy, wwin->client_win, net_wm_allowed_actions,
640 XA_ATOM, 32, PropModeReplace, (unsigned char *)action, i);
641 }
642
643 Bool wNETWMGetUsableArea(WScreen * scr, int head, WArea * area)
644 {
645 WReservedArea *cur;
646 WMRect rect;
647
648 if (!scr->netdata || !scr->netdata->strut)
649 return False;
650
651 area->x1 = area->y1 = area->x2 = area->y2 = 0;
652
653 for (cur = scr->netdata->strut; cur; cur = cur->next) {
654 WWindow *wwin = wWindowFor(cur->window);
655 if (wWindowTouchesHead(wwin, head)) {
656 if (cur->area.x1 > area->x1)
657 area->x1 = cur->area.x1;
658 if (cur->area.y1 > area->y1)
659 area->y1 = cur->area.y1;
660 if (cur->area.x2 > area->x2)
661 area->x2 = cur->area.x2;
662 if (cur->area.y2 > area->y2)
663 area->y2 = cur->area.y2;
664 }
665 }
666
667 if (area->x1 == 0 && area->x2 == 0 && area->y1 == 0 && area->y2 == 0)
668 return False;
669
670 rect = wGetRectForHead(scr, head);
671
672 area->x1 = rect.pos.x + area->x1;
673 area->x2 = rect.pos.x + rect.size.width - area->x2;
674 area->y1 = rect.pos.y + area->y1;
675 area->y2 = rect.pos.y + rect.size.height - area->y2;
676
677 return True;
678 }
679
680 static void updateClientList(WScreen * scr)
681 {
682 WWindow *wwin;
683 Window *windows;
684 int count;
685
686 windows = (Window *) wmalloc(sizeof(Window) * (scr->window_count + 1));
687
688 count = 0;
689 wwin = scr->focused_window;
690 while (wwin) {
691 windows[count++] = wwin->client_win;
692 wwin = wwin->prev;
693 }
694 XChangeProperty(dpy, scr->root_win, net_client_list, XA_WINDOW, 32,
695 PropModeReplace, (unsigned char *)windows, count);
696
697 wfree(windows);
698 XFlush(dpy);
699 }
700
701 static void updateClientListStacking(WScreen * scr, WWindow * wwin_excl)
702 {
703 WWindow *wwin;
704 Window *client_list;
705 Window *client_list_reverse;
706 int client_count;
707 WCoreWindow *tmp;
708 WMBagIterator iter;
709 int i;
710
711 /* update client list */
712 i = scr->window_count + 1;
713 client_list = (Window *) wmalloc(sizeof(Window) * i);
714 client_list_reverse = (Window *) wmalloc(sizeof(Window) * i);
715
716 client_count = 0;
717 WM_ETARETI_BAG(scr->stacking_list, tmp, iter) {
718 while (tmp) {
719 wwin = wWindowFor(tmp->window);
720 /* wwin_excl is a window to exclude from the list
721 (e.g. it's now unmanaged) */
722 if (wwin && (wwin != wwin_excl))
723 client_list[client_count++] = wwin->client_win;
724 tmp = tmp->stacking->under;
725 }
726 }
727
728 for (i = 0; i < client_count; i++) {
729 Window w = client_list[client_count - i - 1];
730 client_list_reverse[i] = w;
731 }
732
733 XChangeProperty(dpy, scr->root_win, net_client_list_stacking, XA_WINDOW, 32,
734 PropModeReplace, (unsigned char *)client_list_reverse, client_count);
735
736 wfree(client_list);
737 wfree(client_list_reverse);
738
739 XFlush(dpy);
740 }
741
742 static void updateWorkspaceCount(WScreen * scr)
743 { /* changeable */
744 long count;
745
746 count = scr->workspace_count;
747
748 XChangeProperty(dpy, scr->root_win, net_number_of_desktops, XA_CARDINAL,
749 32, PropModeReplace, (unsigned char *)&count, 1);
750 }
751
752 static void updateCurrentWorkspace(WScreen * scr)
753 { /* changeable */
754 long count;
755
756 count = scr->current_workspace;
757
758 XChangeProperty(dpy, scr->root_win, net_current_desktop, XA_CARDINAL, 32,
759 PropModeReplace, (unsigned char *)&count, 1);
760 }
761
762 static void updateWorkspaceNames(WScreen * scr)
763 {
764 char buf[MAX_WORKSPACES * (MAX_WORKSPACENAME_WIDTH + 1)], *pos;
765 unsigned int i, len, curr_size;
766
767 pos = buf;
768 len = 0;
769 for (i = 0; i < scr->workspace_count; i++) {
770 curr_size = strlen(scr->workspaces[i]->name);
771 strcpy(pos, scr->workspaces[i]->name);
772 pos += (curr_size + 1);
773 len += (curr_size + 1);
774 }
775
776 XChangeProperty(dpy, scr->root_win, net_desktop_names, utf8_string, 8,
777 PropModeReplace, (unsigned char *)buf, len);
778 }
779
780 static void updateFocusHint(WScreen * scr, WWindow * wwin)
781 { /* changeable */
782 Window window;
783
784 if (!scr->focused_window || !scr->focused_window->flags.focused)
785 window = None;
786 else
787 window = scr->focused_window->client_win;
788
789 XChangeProperty(dpy, scr->root_win, net_active_window, XA_WINDOW, 32,
790 PropModeReplace, (unsigned char *)&window, 1);
791 }
792
793 static void updateWorkspaceHint(WWindow * wwin, Bool fake, Bool del)
794 {
795 long l;
796
797 if (del) {
798 XDeleteProperty(dpy, wwin->client_win, net_wm_desktop);
799 } else {
800 l = ((fake || IS_OMNIPRESENT(wwin)) ? -1 : wwin->frame->workspace);
801 XChangeProperty(dpy, wwin->client_win, net_wm_desktop, XA_CARDINAL,
802 32, PropModeReplace, (unsigned char *)&l, 1);
803 }
804 }
805
806 static void updateStateHint(WWindow * wwin, Bool changedWorkspace, Bool del)
807 { /* changeable */
808 if (del) {
809 XDeleteProperty(dpy, wwin->client_win, net_wm_state);
810 } else {
811 Atom state[15]; /* nr of defined state atoms */
812 int i = 0;
813
814 if (changedWorkspace || (wPreferences.sticky_icons && !IS_OMNIPRESENT(wwin)))
815 updateWorkspaceHint(wwin, False, False);
816
817 if (IS_OMNIPRESENT(wwin))
818 state[i++] = net_wm_state_sticky;
819 if (wwin->flags.shaded)
820 state[i++] = net_wm_state_shaded;
821 if (wwin->flags.maximized & MAX_HORIZONTAL)
822 state[i++] = net_wm_state_maximized_horz;
823 if (wwin->flags.maximized & MAX_VERTICAL)
824 state[i++] = net_wm_state_maximized_vert;
825 if (WFLAGP(wwin, skip_window_list))
826 state[i++] = net_wm_state_skip_taskbar;
827 if (wwin->flags.net_skip_pager)
828 state[i++] = net_wm_state_skip_pager;
829 if ((wwin->flags.hidden || wwin->flags.miniaturized) && !wwin->flags.net_show_desktop) {
830 state[i++] = net_wm_state_hidden;
831 state[i++] = net_wm_state_skip_pager;
832
833 if (wwin->flags.miniaturized && wPreferences.sticky_icons) {
834 if (!IS_OMNIPRESENT(wwin))
835 updateWorkspaceHint(wwin, True, False);
836 state[i++] = net_wm_state_sticky;
837 }
838 }
839 if (WFLAGP(wwin, sunken))
840 state[i++] = net_wm_state_below;
841 if (WFLAGP(wwin, floating))
842 state[i++] = net_wm_state_above;
843 if (wwin->flags.fullscreen)
844 state[i++] = net_wm_state_fullscreen;
845
846 XChangeProperty(dpy, wwin->client_win, net_wm_state, XA_ATOM, 32,
847 PropModeReplace, (unsigned char *)state, i);
848 }
849 }
850
851 static Bool updateStrut(WWindow * wwin, Bool adding)
852 {
853 WScreen *scr;
854 WReservedArea *area;
855 Bool hasState = False;
856
857 scr = wwin->screen_ptr;
858
859 if (adding) {
860 Atom type_ret;
861 int fmt_ret;
862 unsigned long nitems_ret;
863 unsigned long bytes_after_ret;
864 long *data = NULL;
865
866 if (XGetWindowProperty(dpy, wwin->client_win, net_wm_strut, 0, 4, False,
867 XA_CARDINAL, &type_ret, &fmt_ret, &nitems_ret,
868 &bytes_after_ret, (unsigned char **)&data) == Success && data) {
869
870 area = (WReservedArea *) wmalloc(sizeof(WReservedArea));
871 area->area.x1 = data[0];
872 area->area.x2 = data[1];
873 area->area.y1 = data[2];
874 area->area.y2 = data[3];
875
876 area->window = wwin->client_win;
877
878 area->next = scr->netdata->strut;
879 scr->netdata->strut = area;
880
881 XFree(data);
882 hasState = True;
883 }
884
885 } else {
886 /* deleting */
887 area = scr->netdata->strut;
888
889 if (area) {
890 if (area->window == wwin->client_win) {
891 scr->netdata->strut = area->next;
892 wfree(area);
893 hasState = True;
894 } else {
895 while (area->next && area->next->window != wwin->client_win)
896 area = area->next;
897
898 if (area->next) {
899 WReservedArea *next;
900
901 next = area->next->next;
902 wfree(area->next);
903 area->next = next;
904
905 hasState = True;
906 }
907 }
908 }
909 }
910
911 return hasState;
912 }
913
914 static int getWindowLayer(WWindow * wwin)
915 {
916 int layer = WMNormalLevel;
917
918 if (wwin->type == net_wm_window_type_desktop) {
919 layer = WMDesktopLevel;
920 } else if (wwin->type == net_wm_window_type_dock) {
921 layer = WMDockLevel;
922 } else if (wwin->type == net_wm_window_type_toolbar) {
923 layer = WMMainMenuLevel;
924 } else if (wwin->type == net_wm_window_type_menu) {
925 layer = WMSubmenuLevel;
926 } else if (wwin->type == net_wm_window_type_utility) {
927 } else if (wwin->type == net_wm_window_type_splash) {
928 } else if (wwin->type == net_wm_window_type_dialog) {
929 if (wwin->transient_for) {
930 WWindow *parent = wWindowFor(wwin->transient_for);
931 if (parent && parent->flags.fullscreen) {
932 layer = WMFullscreenLevel;
933 }
934 }
935 /* //layer = WMPopUpLevel; // this seems a bad idea -Dan */
936 } else if (wwin->type == net_wm_window_type_normal) {
937 }
938
939 if (wwin->client_flags.sunken && WMSunkenLevel < layer)
940 layer = WMSunkenLevel;
941 if (wwin->client_flags.floating && WMFloatingLevel > layer)
942 layer = WMFloatingLevel;
943
944 return layer;
945 }
946
947 static void doStateAtom(WWindow * wwin, Atom state, int set, Bool init)
948 {
949
950 if (state == net_wm_state_sticky) {
951 if (set == _NET_WM_STATE_TOGGLE) {
952 set = !IS_OMNIPRESENT(wwin);
953 }
954 if (set != wwin->flags.omnipresent) {
955 wWindowSetOmnipresent(wwin, set);
956 }
957 } else if (state == net_wm_state_shaded) {
958 if (set == _NET_WM_STATE_TOGGLE) {
959 set = !wwin->flags.shaded;
960 }
961 if (init) {
962 wwin->flags.shaded = set;
963 } else {
964 if (set) {
965 wShadeWindow(wwin);
966 } else {
967 wUnshadeWindow(wwin);
968 }
969 }
970 } else if (state == net_wm_state_skip_taskbar) {
971 if (set == _NET_WM_STATE_TOGGLE) {
972 set = !wwin->client_flags.skip_window_list;
973 }
974 wwin->client_flags.skip_window_list = set;
975 } else if (state == net_wm_state_skip_pager) {
976 if (set == _NET_WM_STATE_TOGGLE) {
977 set = !wwin->flags.net_skip_pager;
978 }
979 wwin->flags.net_skip_pager = set;
980 } else if (state == net_wm_state_maximized_vert) {
981 if (set == _NET_WM_STATE_TOGGLE) {
982 set = !(wwin->flags.maximized & MAX_VERTICAL);
983 }
984 if (init) {
985 wwin->flags.maximized |= (set ? MAX_VERTICAL : 0);
986 } else {
987 if (set) {
988 wMaximizeWindow(wwin, wwin->flags.maximized | MAX_VERTICAL);
989 } else {
990 wMaximizeWindow(wwin, wwin->flags.maximized & ~MAX_VERTICAL);
991 }
992 }
993 } else if (state == net_wm_state_maximized_horz) {
994 if (set == _NET_WM_STATE_TOGGLE) {
995 set = !(wwin->flags.maximized & MAX_HORIZONTAL);
996 }
997 if (init) {
998 wwin->flags.maximized |= (set ? MAX_HORIZONTAL : 0);
999 } else {
1000 if (set) {
1001 wMaximizeWindow(wwin, wwin->flags.maximized | MAX_HORIZONTAL);
1002 } else {
1003 wMaximizeWindow(wwin, wwin->flags.maximized & ~MAX_HORIZONTAL);
1004 }
1005 }
1006 } else if (state == net_wm_state_hidden) {
1007 if (set == _NET_WM_STATE_TOGGLE) {
1008 set = !(wwin->flags.miniaturized);
1009 }
1010 if (init) {
1011 wwin->flags.miniaturized = set;
1012 } else {
1013 if (set) {
1014 wIconifyWindow(wwin);
1015 } else {
1016 wDeiconifyWindow(wwin);
1017 }
1018 }
1019 } else if (state == net_wm_state_fullscreen) {
1020 if (set == _NET_WM_STATE_TOGGLE) {
1021 set = !(wwin->flags.fullscreen);
1022 }
1023 if (init) {
1024 wwin->flags.fullscreen = set;
1025 } else {
1026 if (set) {
1027 wFullscreenWindow(wwin);
1028 } else {
1029 wUnfullscreenWindow(wwin);
1030 }
1031 }
1032 } else if (state == net_wm_state_above) {
1033 if (set == _NET_WM_STATE_TOGGLE) {
1034 set = !(wwin->client_flags.floating);
1035 }
1036 if (init) {
1037 wwin->client_flags.floating = set;
1038 } else {
1039 wwin->client_flags.floating = set;
1040 ChangeStackingLevel(wwin->frame->core, getWindowLayer(wwin));
1041 }
1042
1043 } else if (state == net_wm_state_below) {
1044 if (set == _NET_WM_STATE_TOGGLE) {
1045 set = !(wwin->client_flags.sunken);
1046 }
1047 if (init) {
1048 wwin->client_flags.sunken = set;
1049 } else {
1050 wwin->client_flags.sunken = set;
1051 ChangeStackingLevel(wwin->frame->core, getWindowLayer(wwin));
1052 }
1053
1054 } else {
1055 #ifdef DEBUG_WMSPEC
1056 wmessage("doStateAtom unknown atom %s set %d\n", XGetAtomName(dpy, state), set);
1057 #endif
1058 }
1059 }
1060
1061 static void removeIcon(WWindow * wwin)
1062 {
1063 if (wwin->icon == NULL)
1064 return;
1065 if (wwin->flags.miniaturized && wwin->icon->mapped) {
1066 XUnmapWindow(dpy, wwin->icon->core->window);
1067 RemoveFromStackList(wwin->icon->core);
1068 wIconDestroy(wwin->icon);
1069 wwin->icon = NULL;
1070 }
1071 }
1072
1073 static Bool handleWindowType(WWindow * wwin, Atom type, int *layer)
1074 {
1075 Bool ret = True;
1076
1077 if (type == net_wm_window_type_desktop) {
1078 wwin->client_flags.no_titlebar = 1;
1079 wwin->client_flags.no_resizable = 1;
1080 wwin->client_flags.no_miniaturizable = 1;
1081 wwin->client_flags.no_border = 1;
1082 wwin->client_flags.no_resizebar = 1;
1083 wwin->client_flags.no_shadeable = 1;
1084 wwin->client_flags.no_movable = 1;
1085 wwin->client_flags.omnipresent = 1;
1086 wwin->client_flags.skip_window_list = 1;
1087 wwin->client_flags.skip_switchpanel = 1;
1088 wwin->client_flags.dont_move_off = 1;
1089 wwin->client_flags.no_appicon = 1;
1090 wwin->flags.net_skip_pager = 1;
1091 wwin->frame_x = 0;
1092 wwin->frame_y = 0;
1093 } else if (type == net_wm_window_type_dock) {
1094 wwin->client_flags.no_titlebar = 1;
1095 wwin->client_flags.no_resizable = 1;
1096 wwin->client_flags.no_miniaturizable = 1;
1097 wwin->client_flags.no_border = 1; /* XXX: really not a single decoration. */
1098 wwin->client_flags.no_resizebar = 1;
1099 wwin->client_flags.no_shadeable = 1;
1100 wwin->client_flags.no_movable = 1;
1101 wwin->client_flags.omnipresent = 1;
1102 wwin->client_flags.skip_window_list = 1;
1103 wwin->client_flags.skip_switchpanel = 1;
1104 wwin->client_flags.dont_move_off = 1;
1105 wwin->flags.net_skip_pager = 1;
1106 } else if (type == net_wm_window_type_toolbar) {
1107 wwin->client_flags.no_titlebar = 1;
1108 wwin->client_flags.no_resizable = 1;
1109 wwin->client_flags.no_miniaturizable = 1;
1110 wwin->client_flags.no_resizebar = 1;
1111 wwin->client_flags.no_shadeable = 1;
1112 wwin->client_flags.skip_window_list = 1;
1113 wwin->client_flags.skip_switchpanel = 1;
1114 wwin->client_flags.dont_move_off = 1;
1115 wwin->client_flags.no_appicon = 1;
1116 } else if (type == net_wm_window_type_menu) {
1117 wwin->client_flags.no_titlebar = 1;
1118 wwin->client_flags.no_resizable = 1;
1119 wwin->client_flags.no_miniaturizable = 1;
1120 wwin->client_flags.no_resizebar = 1;
1121 wwin->client_flags.no_shadeable = 1;
1122 wwin->client_flags.skip_window_list = 1;
1123 wwin->client_flags.skip_switchpanel = 1;
1124 wwin->client_flags.dont_move_off = 1;
1125 wwin->client_flags.no_appicon = 1;
1126 } else if (type == net_wm_window_type_utility) {
1127 wwin->client_flags.no_appicon = 1;
1128 } else if (type == net_wm_window_type_splash) {
1129 wwin->client_flags.no_titlebar = 1;
1130 wwin->client_flags.no_resizable = 1;
1131 wwin->client_flags.no_miniaturizable = 1;
1132 wwin->client_flags.no_resizebar = 1;
1133 wwin->client_flags.no_shadeable = 1;
1134 wwin->client_flags.no_movable = 1;
1135 wwin->client_flags.skip_window_list = 1;
1136 wwin->client_flags.skip_switchpanel = 1;
1137 wwin->client_flags.dont_move_off = 1;
1138 wwin->client_flags.no_appicon = 1;
1139 wwin->flags.net_skip_pager = 1;
1140 } else if (type == net_wm_window_type_dialog) {
1141 /* These also seem a bad idea in our context -Dan
1142 // wwin->client_flags.skip_window_list = 1;
1143 // wwin->client_flags.no_appicon = 1;
1144 */
1145 } else if (type == net_wm_window_type_normal) {
1146 } else {
1147 ret = False;
1148 }
1149
1150 wwin->type = type;
1151 *layer = getWindowLayer(wwin);
1152
1153 return ret;
1154 }
1155
1156 void wNETWMPositionSplash(WWindow * wwin, int *x, int *y, int width, int height)
1157 {
1158 if (wwin->type == net_wm_window_type_splash) {
1159 WScreen *scr = wwin->screen_ptr;
1160 WMRect rect = wGetRectForHead(scr, wGetHeadForPointerLocation(scr));
1161 *x = rect.pos.x + (rect.size.width - width) / 2;
1162 *y = rect.pos.y + (rect.size.height - height) / 2;
1163 }
1164 }
1165
1166 static void updateWindowType(WWindow * wwin)
1167 {
1168 Atom type_ret;
1169 int fmt_ret;
1170 unsigned long nitems_ret;
1171 unsigned long bytes_after_ret;
1172 long *data = NULL;
1173 int layer;
1174 if (XGetWindowProperty(dpy, wwin->client_win, net_wm_window_type, 0, 1,
1175 False, XA_ATOM, &type_ret, &fmt_ret, &nitems_ret,
1176 &bytes_after_ret, (unsigned char **)&data) == Success && data) {
1177
1178 int i;
1179 Atom *type = (Atom *) data;
1180 for (i = 0; i < nitems_ret; ++i) {
1181 if (handleWindowType(wwin, type[i], &layer))
1182 break;
1183 }
1184 XFree(data);
1185 }
1186
1187 if (wwin->frame != NULL) {
1188 ChangeStackingLevel(wwin->frame->core, layer);
1189 wwin->frame->flags.need_texture_change = 1;
1190 wWindowConfigureBorders(wwin);
1191 wFrameWindowPaint(wwin->frame);
1192 wNETWMUpdateActions(wwin, False);
1193 }
1194 }
1195
1196 Bool wNETWMCheckClientHints(WWindow * wwin, int *layer, int *workspace)
1197 {
1198 Atom type_ret;
1199 int fmt_ret;
1200 unsigned long nitems_ret;
1201 unsigned long bytes_after_ret;
1202 long *data = NULL;
1203 Bool hasState = False;
1204 int i;
1205
1206 if (XGetWindowProperty(dpy, wwin->client_win, net_wm_desktop, 0, 1, False,
1207 XA_CARDINAL, &type_ret, &fmt_ret, &nitems_ret,
1208 &bytes_after_ret, (unsigned char **)&data) == Success && data) {
1209
1210 long desktop = *data;
1211 XFree(data);
1212
1213 if (desktop == -1)
1214 wwin->client_flags.omnipresent = 1;
1215 else
1216 *workspace = desktop;
1217
1218 hasState = True;
1219 }
1220
1221 if (XGetWindowProperty(dpy, wwin->client_win, net_wm_state, 0, 1, False,
1222 XA_ATOM, &type_ret, &fmt_ret, &nitems_ret,
1223 &bytes_after_ret, (unsigned char **)&data) == Success && data) {
1224
1225 Atom *state = (Atom *) data;
1226 for (i = 0; i < nitems_ret; ++i) {
1227 doStateAtom(wwin, state[i], _NET_WM_STATE_ADD, True);
1228 }
1229 XFree(data);
1230 hasState = True;
1231 }
1232
1233 if (XGetWindowProperty(dpy, wwin->client_win, net_wm_window_type, 0, 1, False,
1234 XA_ATOM, &type_ret, &fmt_ret, &nitems_ret,
1235 &bytes_after_ret, (unsigned char **)&data) == Success && data) {
1236
1237 Atom *type = (Atom *) data;
1238 for (i = 0; i < nitems_ret; ++i) {
1239 if (handleWindowType(wwin, type[i], layer))
1240 break;
1241 }
1242 XFree(data);
1243 hasState = True;
1244 }
1245
1246 wNETWMUpdateActions(wwin, False);
1247 updateStrut(wwin, False);
1248 if (updateStrut(wwin, True)) {
1249 hasState = True;
1250 }
1251 wScreenUpdateUsableArea(wwin->screen_ptr);
1252
1253 return hasState;
1254 }
1255
1256 static Bool updateNetIconInfo(WWindow * wwin)
1257 {
1258
1259 Atom type_ret;
1260 int fmt_ret;
1261 unsigned long nitems_ret;
1262 unsigned long bytes_after_ret;
1263 long *data = NULL;
1264 Bool hasState = False;
1265 Bool old_state = wwin->flags.net_handle_icon;
1266
1267 if (XGetWindowProperty(dpy, wwin->client_win, net_wm_handled_icons, 0, 1, False,
1268 XA_CARDINAL, &type_ret, &fmt_ret, &nitems_ret,
1269 &bytes_after_ret, (unsigned char **)&data) == Success && data) {
1270 long handled = *data;
1271 wwin->flags.net_handle_icon = (handled != 0);
1272 XFree(data);
1273 hasState = True;
1274
1275 } else
1276 wwin->flags.net_handle_icon = False;
1277
1278 if (XGetWindowProperty(dpy, wwin->client_win, net_wm_icon_geometry, 0, 4, False,
1279 XA_CARDINAL, &type_ret, &fmt_ret, &nitems_ret,
1280 &bytes_after_ret, (unsigned char **)&data) == Success && data) {
1281
1282 #ifdef NETWM_PROPER
1283 if (wwin->flags.net_handle_icon)
1284 #else
1285 wwin->flags.net_handle_icon = True;
1286 #endif
1287 {
1288 wwin->icon_x = data[0];
1289 wwin->icon_y = data[1];
1290 wwin->icon_w = data[2];
1291 wwin->icon_h = data[3];
1292 }
1293
1294 XFree(data);
1295 hasState = True;
1296
1297 } else
1298 wwin->flags.net_handle_icon = False;
1299
1300 if (wwin->flags.miniaturized && old_state != wwin->flags.net_handle_icon) {
1301 if (wwin->flags.net_handle_icon) {
1302 removeIcon(wwin);
1303 } else {
1304 wwin->flags.miniaturized = False;
1305 wwin->flags.skip_next_animation = True;
1306 wIconifyWindow(wwin);
1307 }
1308 }
1309
1310 return hasState;
1311 }
1312
1313 void wNETWMCheckInitialClientState(WWindow *wwin)
1314 {
1315 #ifdef DEBUG_WMSPEC
1316 wmessage("wNETWMCheckInitialClientState");
1317 #endif
1318
1319 wNETWMShowingDesktop(wwin->screen_ptr, False);
1320
1321 updateNetIconInfo(wwin);
1322 updateIconImage(wwin);
1323 }
1324
1325 static void handleDesktopNames(XClientMessageEvent * event, WScreen * scr)
1326 {
1327 unsigned long nitems_ret, bytes_after_ret;
1328 char *data, *names[32];
1329 int fmt_ret, i, n;
1330 Atom type_ret;
1331
1332 if (XGetWindowProperty(dpy, scr->root_win, net_desktop_names, 0, 1, False,
1333 utf8_string, &type_ret, &fmt_ret, &nitems_ret,
1334 &bytes_after_ret, (unsigned char **)&data) != Success) {
1335 return;
1336 }
1337
1338 if (data == NULL)
1339 return;
1340
1341 if (type_ret != utf8_string || fmt_ret != 8)
1342 return;
1343
1344 n = 0;
1345 names[n] = data;
1346 for (i = 0; i < nitems_ret; i++) {
1347 if (data[i] == 0) {
1348 n++;
1349 names[n] = &data[i];
1350 } else if (*names[n] == 0) {
1351 names[n] = &data[i];
1352 wWorkspaceRename(scr, n, names[n]);
1353 }
1354 }
1355 }
1356
1357 Bool wNETWMProcessClientMessage(XClientMessageEvent * event)
1358 {
1359 WScreen *scr;
1360 WWindow *wwin;
1361 Bool done = True;
1362
1363 #ifdef DEBUG_WMSPEC
1364 wmessage("processClientMessage type %s\n", XGetAtomName(dpy, event->message_type));
1365 #endif
1366
1367 scr = wScreenForWindow(event->window);
1368 if (scr) {
1369 /* generic client messages */
1370 if (event->message_type == net_current_desktop) {
1371 wWorkspaceChange(scr, event->data.l[0]);
1372 } else if (event->message_type == net_number_of_desktops) {
1373 long value;
1374
1375 value = event->data.l[0];
1376 if (value > scr->workspace_count) {
1377 wWorkspaceMake(scr, value - scr->workspace_count);
1378 } else if (value < scr->workspace_count) {
1379 int i;
1380 Bool rebuild = False;
1381
1382 for (i = scr->workspace_count - 1; i >= value; i--) {
1383 if (!wWorkspaceDelete(scr, i)) {
1384 rebuild = True;
1385 break;
1386 }
1387 }
1388
1389 if (rebuild) {
1390 updateWorkspaceCount(scr);
1391 }
1392 }
1393 } else if (event->message_type == net_showing_desktop) {
1394 wNETWMShowingDesktop(scr, event->data.l[0]);
1395 } else if (event->message_type == net_desktop_names) {
1396 handleDesktopNames(event, scr);
1397 } else {
1398 done = False;
1399 }
1400
1401 if (done)
1402 return True;
1403 }
1404
1405 /* window specific client messages */
1406
1407 wwin = wWindowFor(event->window);
1408 if (!wwin)
1409 return False;
1410
1411 if (event->message_type == net_active_window) {
1412 /*
1413 * Satisfy a client's focus request only if
1414 * - request comes from a pager, or
1415 * - it's explicitly allowed in Advanced Options, or
1416 * - giving the client the focus does not cause a change in
1417 * the active workspace (XXX: or the active head if Xinerama)
1418 */
1419 if (wwin->frame->workspace == wwin->screen_ptr->current_workspace /* No workspace change */
1420 || event->data.l[0] == 2 /* Requested by pager */
1421 || WFLAGP(wwin, focus_across_wksp) /* Explicitly allowed */) {
1422 wNETWMShowingDesktop(scr, False);
1423 wMakeWindowVisible(wwin);
1424 }
1425 } else if (event->message_type == net_close_window) {
1426 if (!WFLAGP(wwin, no_closable)) {
1427 if (wwin->protocols.DELETE_WINDOW)
1428 wClientSendProtocol(wwin, _XA_WM_DELETE_WINDOW, LastTimestamp);
1429 }
1430 } else if (event->message_type == net_wm_state) {
1431 int maximized = wwin->flags.maximized;
1432 long set = event->data.l[0];
1433
1434 #ifdef DEBUG_WMSPEC
1435 wmessage("net_wm_state set %ld a1 %s a2 %s\n", set,
1436 XGetAtomName(dpy, event->data.l[1]), XGetAtomName(dpy, event->data.l[2]));
1437 #endif
1438
1439 doStateAtom(wwin, (Atom) event->data.l[1], set, False);
1440 if (event->data.l[2])
1441 doStateAtom(wwin, (Atom) event->data.l[2], set, False);
1442
1443 if (wwin->flags.maximized != maximized) {
1444 if (!wwin->flags.maximized) {
1445 wwin->flags.maximized = maximized;
1446 wUnmaximizeWindow(wwin);
1447 } else {
1448 wMaximizeWindow(wwin, wwin->flags.maximized);
1449 }
1450 }
1451 updateStateHint(wwin, False, False);
1452 } else if (event->message_type == net_wm_handled_icons || event->message_type == net_wm_icon_geometry) {
1453 updateNetIconInfo(wwin);
1454 } else if (event->message_type == net_wm_desktop) {
1455 long desktop = event->data.l[0];
1456 if (desktop == -1) {
1457 wWindowSetOmnipresent(wwin, True);
1458 } else {
1459 if (IS_OMNIPRESENT(wwin))
1460 wWindowSetOmnipresent(wwin, False);
1461 wWindowChangeWorkspace(wwin, desktop);
1462 }
1463 } else {
1464 done = False;
1465 }
1466
1467 return done;
1468 }
1469
1470 Bool wNETWMCheckClientHintChange(WWindow * wwin, XPropertyEvent * event)
1471 {
1472 Bool ret = True;
1473
1474 #ifdef DEBUG_WMSPEC
1475 wmessage("clientHintChange type %s\n", XGetAtomName(dpy, event->atom));
1476 #endif
1477
1478 if (event->atom == net_wm_strut) {
1479 updateStrut(wwin, False);
1480 updateStrut(wwin, True);
1481 wScreenUpdateUsableArea(wwin->screen_ptr);
1482 } else if (event->atom == net_wm_handled_icons || event->atom == net_wm_icon_geometry) {
1483 updateNetIconInfo(wwin);
1484 } else if (event->atom == net_wm_window_type) {
1485 updateWindowType(wwin);
1486 } else if (event->atom == net_wm_name) {
1487 char *name = wNETWMGetWindowName(wwin->client_win);
1488 wWindowUpdateName(wwin, name);
1489 if (name)
1490 wfree(name);
1491 } else if (event->atom == net_wm_icon_name) {
1492 if (wwin->icon) {
1493 char *name = wNETWMGetIconName(wwin->client_win);
1494 wIconChangeTitle(wwin->icon, name);
1495 }
1496 } else if (event->atom == net_wm_icon) {
1497 updateIconImage(wwin);
1498 } else {
1499 ret = False;
1500 }
1501
1502 return ret;
1503 }
1504
1505 int wNETWMGetPidForWindow(Window window)
1506 {
1507 Atom type_ret;
1508 int fmt_ret;
1509 unsigned long nitems_ret;
1510 unsigned long bytes_after_ret;
1511 long *data = NULL;
1512 int pid;
1513
1514 if (XGetWindowProperty(dpy, window, net_wm_pid, 0, 1, False,
1515 XA_CARDINAL, &type_ret, &fmt_ret, &nitems_ret,
1516 &bytes_after_ret, (unsigned char **)&data) == Success && data) {
1517
1518 pid = *data;
1519 XFree(data);
1520 } else {
1521 pid = 0;
1522 }
1523
1524 return pid;
1525 }
1526
1527 char *wNETWMGetWindowName(Window window)
1528 {
1529 char *name;
1530 char *ret;
1531 int size;
1532
1533 name = (char *)PropGetCheckProperty(window, net_wm_name, utf8_string, 0, 0, &size);
1534 if (name) {
1535 ret = wstrndup(name, size);
1536 XFree(name);
1537 } else
1538 ret = NULL;
1539 return ret;
1540 }
1541
1542 char *wNETWMGetIconName(Window window)
1543 {
1544 char *name;
1545 char *ret;
1546 int size;
1547
1548 name = (char *)PropGetCheckProperty(window, net_wm_icon_name, utf8_string, 0, 0, &size);
1549 if (name) {
1550 ret = wstrndup(name, size);
1551 XFree(name);
1552 } else
1553 ret = NULL;
1554 return ret;
1555 }
1556
1557 static void observer(void *self, WMNotification * notif)
1558 {
1559 WWindow *wwin = (WWindow *) WMGetNotificationObject(notif);
1560 const char *name = WMGetNotificationName(notif);
1561 void *data = WMGetNotificationClientData(notif);
1562 NetData *ndata = (NetData *) self;
1563
1564 if (strcmp(name, WMNManaged) == 0 && wwin) {
1565 updateClientList(wwin->screen_ptr);
1566 updateClientListStacking(wwin->screen_ptr, NULL);
1567 updateStateHint(wwin, True, False);
1568
1569 updateStrut(wwin, False);
1570 updateStrut(wwin, True);
1571 wScreenUpdateUsableArea(wwin->screen_ptr);
1572 } else if (strcmp(name, WMNUnmanaged) == 0 && wwin) {
1573 updateClientList(wwin->screen_ptr);
1574 updateClientListStacking(wwin->screen_ptr, wwin);
1575 updateWorkspaceHint(wwin, False, True);
1576 updateStateHint(wwin, False, True);
1577 wNETWMUpdateActions(wwin, True);
1578
1579 updateStrut(wwin, False);
1580 wScreenUpdateUsableArea(wwin->screen_ptr);
1581 } else if (strcmp(name, WMNResetStacking) == 0 && wwin) {
1582 updateClientListStacking(wwin->screen_ptr, NULL);
1583 updateStateHint(wwin, False, False);
1584 } else if (strcmp(name, WMNChangedStacking) == 0 && wwin) {
1585 updateClientListStacking(wwin->screen_ptr, NULL);
1586 updateStateHint(wwin, False, False);
1587 } else if (strcmp(name, WMNChangedFocus) == 0) {
1588 updateFocusHint(ndata->scr, wwin);
1589 } else if (strcmp(name, WMNChangedWorkspace) == 0 && wwin) {
1590 updateWorkspaceHint(wwin, False, False);
1591 updateStateHint(wwin, True, False);
1592 } else if (strcmp(name, WMNChangedState) == 0 && wwin) {
1593 updateStateHint(wwin, !strcmp(data, "omnipresent"), False);
1594 }
1595 }
1596
1597 static void wsobserver(void *self, WMNotification * notif)
1598 {
1599 WScreen *scr = (WScreen *) WMGetNotificationObject(notif);
1600 const char *name = WMGetNotificationName(notif);
1601
1602 if (strcmp(name, WMNWorkspaceCreated) == 0) {
1603 updateWorkspaceCount(scr);
1604 updateWorkspaceNames(scr);
1605 } else if (strcmp(name, WMNWorkspaceDestroyed) == 0) {
1606 updateWorkspaceCount(scr);
1607 updateWorkspaceNames(scr);
1608 } else if (strcmp(name, WMNWorkspaceChanged) == 0) {
1609 updateCurrentWorkspace(scr);
1610 } else if (strcmp(name, WMNWorkspaceNameChanged) == 0) {
1611 updateWorkspaceNames(scr);
1612 }
1613 }
1614
1615 void wNETFrameExtents(WWindow *wwin)
1616 {
1617 long extents[4] = { 0, 0, 0, 0 };
1618
1619 /* The extents array describes dimensions which are not
1620 * part of the client window. In our case that means
1621 * widths of the border and heights of the titlebar and resizebar.
1622 *
1623 * Index 0 = left
1624 * 1 = right
1625 * 2 = top
1626 * 3 = bottom
1627 */
1628 if (wwin->frame->titlebar)
1629 extents[2] = wwin->frame->titlebar->height;
1630 if (wwin->frame->resizebar)
1631 extents[3] = wwin->frame->resizebar->height;
1632 if (HAS_BORDER(wwin)) {
1633 extents[0] += FRAME_BORDER_WIDTH;
1634 extents[1] += FRAME_BORDER_WIDTH;
1635 extents[2] += FRAME_BORDER_WIDTH;
1636 extents[3] += FRAME_BORDER_WIDTH;
1637 }
1638
1639 XChangeProperty(dpy, wwin->client_win, net_frame_extents, XA_CARDINAL, 32, PropModeReplace, (unsigned char *) extents, 4);
1640 }
1641
1642 void wNETCleanupFrameExtents(WWindow *wwin)
1643 {
1644 XDeleteProperty(dpy, wwin->client_win, net_frame_extents);
1645 }
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