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get_wwindow_image_from_x11 icon resize
[wmaker-crm.git] / src / wmspec.c
blobb416fdb21d5f5b0f098b6433be3d184685e19dd9
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
233 typedef struct NetData {
234 WScreen *scr;
235 WReservedArea *strut;
236 WWindow **show_desktop;
237 } NetData;
238
239 static void setSupportedHints(WScreen * scr)
240 {
241 Atom atom[atomNr];
242 int i = 0;
243
244 /* set supported hints list */
245 /* XXX: extend this !!! */
246
247 atom[i++] = net_client_list;
248 atom[i++] = net_client_list_stacking;
249 atom[i++] = net_number_of_desktops;
250 atom[i++] = net_desktop_geometry;
251 atom[i++] = net_desktop_viewport;
252 atom[i++] = net_current_desktop;
253 atom[i++] = net_desktop_names;
254 atom[i++] = net_active_window;
255 atom[i++] = net_supporting_wm_check;
256 atom[i++] = net_showing_desktop;
257 #if 0
258 atom[i++] = net_wm_moveresize;
259 #endif
260 atom[i++] = net_wm_desktop;
261 atom[i++] = net_wm_window_type;
262 atom[i++] = net_wm_window_type_desktop;
263 atom[i++] = net_wm_window_type_dock;
264 atom[i++] = net_wm_window_type_toolbar;
265 atom[i++] = net_wm_window_type_menu;
266 atom[i++] = net_wm_window_type_utility;
267 atom[i++] = net_wm_window_type_splash;
268 atom[i++] = net_wm_window_type_dialog;
269 atom[i++] = net_wm_window_type_normal;
270
271 atom[i++] = net_wm_state;
272 /* atom[i++] = net_wm_state_modal; *//* XXX: not sure where/when to use it. */
273 atom[i++] = net_wm_state_sticky;
274 atom[i++] = net_wm_state_shaded;
275 atom[i++] = net_wm_state_maximized_horz;
276 atom[i++] = net_wm_state_maximized_vert;
277 atom[i++] = net_wm_state_skip_taskbar;
278 atom[i++] = net_wm_state_skip_pager;
279 atom[i++] = net_wm_state_hidden;
280 atom[i++] = net_wm_state_fullscreen;
281 atom[i++] = net_wm_state_above;
282 atom[i++] = net_wm_state_below;
283
284 atom[i++] = net_wm_allowed_actions;
285 atom[i++] = net_wm_action_move;
286 atom[i++] = net_wm_action_resize;
287 atom[i++] = net_wm_action_minimize;
288 atom[i++] = net_wm_action_shade;
289 atom[i++] = net_wm_action_stick;
290 atom[i++] = net_wm_action_maximize_horz;
291 atom[i++] = net_wm_action_maximize_vert;
292 atom[i++] = net_wm_action_fullscreen;
293 atom[i++] = net_wm_action_change_desktop;
294 atom[i++] = net_wm_action_close;
295
296 atom[i++] = net_wm_strut;
297 atom[i++] = net_wm_icon_geometry;
298 atom[i++] = net_wm_icon;
299 atom[i++] = net_wm_handled_icons;
300
301 atom[i++] = net_frame_extents;
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 sizes[0] = scr->scr_width;
328 sizes[1] = scr->scr_height;
329
330 for (i = 0; i < scr->workspace_count; i++) {
331 views[2 * i + 0] = 0;
332 views[2 * i + 1] = 0;
333 }
334
335 XChangeProperty(dpy, scr->root_win, net_desktop_geometry, XA_CARDINAL, 32,
336 PropModeReplace, (unsigned char *)sizes, 2);
337
338 XChangeProperty(dpy, scr->root_win, net_desktop_viewport, XA_CARDINAL, 32,
339 PropModeReplace, (unsigned char *)views, count);
340
341 wfree(views);
342 }
343
344 int wNETWMGetCurrentDesktopFromHint(WScreen * scr)
345 {
346 int count;
347 unsigned char *prop;
348
349 prop = PropGetCheckProperty(scr->root_win, net_current_desktop, XA_CARDINAL, 0, 1, &count);
350 if (prop) {
351 int desktop = *(long *)prop;
352 XFree(prop);
353 return desktop;
354 }
355 return -1;
356 }
357
358 /*
359 * Find the best icon to be used by Window Maker for appicon/miniwindows.
360 * Currently the algorithm is to take the image with the size closest
361 * to icon_size x icon_size, but never bigger than that.
362 *
363 * This algorithm is very poorly implemented and needs to be redone (it can
364 * easily select images with very large widths and very small heights over
365 * square images, if the area of the former is closer to the desired one).
366 *
367 * The logic can also be changed to accept bigger images and scale them down.
368 */
369 static unsigned long *findBestIcon(unsigned long *data, unsigned long items)
370 {
371 int size, wanted, d;
372 unsigned long i, distance;
373 unsigned long *icon;
374
375 /* better use only 75% of icon_size. For 64x64 this means 48x48
376 * This leaves room around the icon for the miniwindow title and
377 * results in better overall aesthetics -Dan */
378 wanted = wPreferences.icon_size * wPreferences.icon_size;
379
380 for (icon = NULL, distance = wanted, i = 0L; i < items - 1;) {
381 size = data[i] * data[i + 1];
382 if (size == 0)
383 break;
384 d = wanted - size;
385 if (d >= 0 && d <= distance && (i + size + 2) <= items) {
386 distance = d;
387 icon = &data[i];
388 }
389 i += size + 2;
390 }
391
392 return icon;
393 }
394
395 static RImage *makeRImageFromARGBData(unsigned long *data)
396 {
397 int size, width, height, i;
398 RImage *image;
399 unsigned char *imgdata;
400 unsigned long pixel;
401
402 width = data[0];
403 height = data[1];
404 size = width * height;
405
406 if (size == 0)
407 return NULL;
408
409 image = RCreateImage(width, height, True);
410
411 for (imgdata = image->data, i = 2; i < size + 2; i++, imgdata += 4) {
412 pixel = data[i];
413 imgdata[3] = (pixel >> 24) & 0xff; /* A */
414 imgdata[0] = (pixel >> 16) & 0xff; /* R */
415 imgdata[1] = (pixel >> 8) & 0xff; /* G */
416 imgdata[2] = (pixel >> 0) & 0xff; /* B */
417 }
418
419 return image;
420 }
421
422 static RImage *get_wwindow_image_from_x11(WWindow *wwin)
423 {
424 RImage *image;
425 Atom type;
426 int format;
427 unsigned long items, rest;
428 unsigned long *property, *data;
429
430 /* Get the icon from X11 Window */
431 if (XGetWindowProperty(dpy, wwin->client_win, net_wm_icon, 0L, LONG_MAX,
432 False, XA_CARDINAL, &type, &format, &items, &rest,
433 (unsigned char **)&property) != Success || !property)
434 return NULL;
435
436 if (type != XA_CARDINAL || format != 32 || items < 2) {
437 XFree(property);
438 return NULL;
439 }
440
441 /* Find the best icon */
442 data = findBestIcon(property, items);
443 if (!data) {
444 XFree(property);
445 return NULL;
446 }
447
448 /* Save the best icon in the X11 icon */
449 image = makeRImageFromARGBData(data);
450
451 XFree(property);
452
453 /* Resize the image to the correct value */
454 image = wIconValidateIconSize(image, wPreferences.icon_size);
455
456 return image;
457 }
458
459 static void updateIconImage(WWindow *wwin)
460 {
461 /* Remove the icon image from X11 */
462 if (wwin->net_icon_image)
463 RReleaseImage(wwin->net_icon_image);
464
465 /* Save the icon in the X11 icon */
466 wwin->net_icon_image = get_wwindow_image_from_x11(wwin);
467
468 /* Refresh the Window Icon */
469 if (wwin->icon)
470 wIconUpdate(wwin->icon);
471
472 /* Refresh the application icon */
473 WApplication *app = wApplicationOf(wwin->main_window);
474 if (app && app->app_icon) {
475 wIconUpdate(app->app_icon->icon);
476 wAppIconPaint(app->app_icon);
477 }
478 }
479
480 static void updateShowDesktop(WScreen * scr, Bool show)
481 {
482 long foo;
483
484 foo = (show == True);
485 XChangeProperty(dpy, scr->root_win, net_showing_desktop, XA_CARDINAL, 32,
486 PropModeReplace, (unsigned char *)&foo, 1);
487 }
488
489 void wNETWMShowingDesktop(WScreen * scr, Bool show)
490 {
491 if (show && scr->netdata->show_desktop == NULL) {
492 WWindow *tmp, **wins;
493 int i = 0;
494
495 wins = (WWindow **) wmalloc(sizeof(WWindow *) * (scr->window_count + 1));
496
497 tmp = scr->focused_window;
498 while (tmp) {
499 if (!tmp->flags.hidden && !tmp->flags.miniaturized && !WFLAGP(tmp, skip_window_list)) {
500
501 wins[i++] = tmp;
502 tmp->flags.skip_next_animation = 1;
503 tmp->flags.net_show_desktop = 1;
504 wIconifyWindow(tmp);
505 }
506
507 tmp = tmp->prev;
508 }
509 wins[i++] = NULL;
510
511 scr->netdata->show_desktop = wins;
512 updateShowDesktop(scr, True);
513 } else if (scr->netdata->show_desktop != NULL) {
514 /* FIXME: get rid of workspace flashing ! */
515 int ws = scr->current_workspace;
516 WWindow **tmp;
517 for (tmp = scr->netdata->show_desktop; *tmp; ++tmp) {
518 wDeiconifyWindow(*tmp);
519 (*tmp)->flags.net_show_desktop = 0;
520 }
521 if (ws != scr->current_workspace)
522 wWorkspaceChange(scr, ws);
523 wfree(scr->netdata->show_desktop);
524 scr->netdata->show_desktop = NULL;
525 updateShowDesktop(scr, False);
526 }
527 }
528
529 void wNETWMInitStuff(WScreen * scr)
530 {
531 NetData *data;
532 int i;
533
534 #ifdef DEBUG_WMSPEC
535 wmessage("enter");
536 #endif
537
538 #ifdef HAVE_XINTERNATOMS
539 {
540 Atom atoms[atomNr];
541 char *names[atomNr];
542
543 for (i = 0; i < atomNr; ++i) {
544 names[i] = atomNames[i].name;
545 }
546 XInternAtoms(dpy, &names[0], atomNr, False, atoms);
547 for (i = 0; i < atomNr; ++i) {
548 *atomNames[i].atom = atoms[i];
549 }
550 }
551 #else
552 for (i = 0; i < atomNr; i++) {
553 *atomNames[i].atom = XInternAtom(dpy, atomNames[i].name, False);
554 }
555 #endif
556
557 data = wmalloc(sizeof(NetData));
558 data->scr = scr;
559 data->strut = NULL;
560 data->show_desktop = NULL;
561
562 scr->netdata = data;
563
564 setSupportedHints(scr);
565
566 WMAddNotificationObserver(observer, data, WMNManaged, NULL);
567 WMAddNotificationObserver(observer, data, WMNUnmanaged, NULL);
568 WMAddNotificationObserver(observer, data, WMNChangedWorkspace, NULL);
569 WMAddNotificationObserver(observer, data, WMNChangedState, NULL);
570 WMAddNotificationObserver(observer, data, WMNChangedFocus, NULL);
571 WMAddNotificationObserver(observer, data, WMNChangedStacking, NULL);
572 WMAddNotificationObserver(observer, data, WMNChangedName, NULL);
573
574 WMAddNotificationObserver(wsobserver, data, WMNWorkspaceCreated, NULL);
575 WMAddNotificationObserver(wsobserver, data, WMNWorkspaceDestroyed, NULL);
576 WMAddNotificationObserver(wsobserver, data, WMNWorkspaceChanged, NULL);
577 WMAddNotificationObserver(wsobserver, data, WMNWorkspaceNameChanged, NULL);
578
579 updateClientList(scr);
580 updateClientListStacking(scr, NULL);
581 updateWorkspaceCount(scr);
582 updateWorkspaceNames(scr);
583 updateShowDesktop(scr, False);
584
585 wScreenUpdateUsableArea(scr);
586 }
587
588 void wNETWMCleanup(WScreen * scr)
589 {
590 int i;
591
592 for (i = 0; i < atomNr; i++)
593 XDeleteProperty(dpy, scr->root_win, *atomNames[i].atom);
594 }
595
596 void wNETWMUpdateActions(WWindow * wwin, Bool del)
597 {
598 Atom action[10]; /* nr of actions atoms defined */
599 int i = 0;
600
601 if (del) {
602 XDeleteProperty(dpy, wwin->client_win, net_wm_allowed_actions);
603 return;
604 }
605
606 if (IS_MOVABLE(wwin))
607 action[i++] = net_wm_action_move;
608
609 if (IS_RESIZABLE(wwin))
610 action[i++] = net_wm_action_resize;
611
612 if (!WFLAGP(wwin, no_miniaturizable))
613 action[i++] = net_wm_action_minimize;
614
615 if (!WFLAGP(wwin, no_shadeable))
616 action[i++] = net_wm_action_shade;
617
618 /* if (!WFLAGP(wwin, no_stickable)) */
619 action[i++] = net_wm_action_stick;
620
621 /* if (!(WFLAGP(wwin, no_maximizeable) & MAX_HORIZONTAL)) */
622 if (IS_RESIZABLE(wwin))
623 action[i++] = net_wm_action_maximize_horz;
624
625 /* if (!(WFLAGP(wwin, no_maximizeable) & MAX_VERTICAL)) */
626 if (IS_RESIZABLE(wwin))
627 action[i++] = net_wm_action_maximize_vert;
628
629 /* if (!WFLAGP(wwin, no_fullscreen)) */
630 action[i++] = net_wm_action_fullscreen;
631
632 /* if (!WFLAGP(wwin, no_change_desktop)) */
633 action[i++] = net_wm_action_change_desktop;
634
635 if (!WFLAGP(wwin, no_closable))
636 action[i++] = net_wm_action_close;
637
638 XChangeProperty(dpy, wwin->client_win, net_wm_allowed_actions,
639 XA_ATOM, 32, PropModeReplace, (unsigned char *)action, i);
640 }
641
642 Bool wNETWMGetUsableArea(WScreen * scr, int head, WArea * area)
643 {
644 WReservedArea *cur;
645 WMRect rect;
646
647 if (!scr->netdata || !scr->netdata->strut)
648 return False;
649
650 area->x1 = area->y1 = area->x2 = area->y2 = 0;
651
652 for (cur = scr->netdata->strut; cur; cur = cur->next) {
653 WWindow *wwin = wWindowFor(cur->window);
654 if (wWindowTouchesHead(wwin, head)) {
655 if (cur->area.x1 > area->x1)
656 area->x1 = cur->area.x1;
657 if (cur->area.y1 > area->y1)
658 area->y1 = cur->area.y1;
659 if (cur->area.x2 > area->x2)
660 area->x2 = cur->area.x2;
661 if (cur->area.y2 > area->y2)
662 area->y2 = cur->area.y2;
663 }
664 }
665
666 if (area->x1 == 0 && area->x2 == 0 && area->y1 == 0 && area->y2 == 0)
667 return False;
668
669 rect = wGetRectForHead(scr, head);
670
671 area->x1 = rect.pos.x + area->x1;
672 area->x2 = rect.pos.x + rect.size.width - area->x2;
673 area->y1 = rect.pos.y + area->y1;
674 area->y2 = rect.pos.y + rect.size.height - area->y2;
675
676 return True;
677 }
678
679 static void updateClientList(WScreen * scr)
680 {
681 WWindow *wwin;
682 Window *windows;
683 int count;
684
685 windows = (Window *) wmalloc(sizeof(Window) * (scr->window_count + 1));
686
687 count = 0;
688 wwin = scr->focused_window;
689 while (wwin) {
690 windows[count++] = wwin->client_win;
691 wwin = wwin->prev;
692 }
693 XChangeProperty(dpy, scr->root_win, net_client_list, XA_WINDOW, 32,
694 PropModeReplace, (unsigned char *)windows, count);
695
696 wfree(windows);
697 XFlush(dpy);
698 }
699
700 static void updateClientListStacking(WScreen * scr, WWindow * wwin_excl)
701 {
702 WWindow *wwin;
703 Window *client_list;
704 Window *client_list_reverse;
705 int client_count;
706 WCoreWindow *tmp;
707 WMBagIterator iter;
708 int i;
709
710 /* update client list */
711 i = scr->window_count + 1;
712 client_list = (Window *) wmalloc(sizeof(Window) * i);
713 client_list_reverse = (Window *) wmalloc(sizeof(Window) * i);
714
715 client_count = 0;
716 WM_ETARETI_BAG(scr->stacking_list, tmp, iter) {
717 while (tmp) {
718 wwin = wWindowFor(tmp->window);
719 /* wwin_excl is a window to exclude from the list
720 (e.g. it's now unmanaged) */
721 if (wwin && (wwin != wwin_excl))
722 client_list[client_count++] = wwin->client_win;
723 tmp = tmp->stacking->under;
724 }
725 }
726
727 for (i = 0; i < client_count; i++) {
728 Window w = client_list[client_count - i - 1];
729 client_list_reverse[i] = w;
730 }
731
732 XChangeProperty(dpy, scr->root_win, net_client_list_stacking, XA_WINDOW, 32,
733 PropModeReplace, (unsigned char *)client_list_reverse, client_count);
734
735 wfree(client_list);
736 wfree(client_list_reverse);
737
738 XFlush(dpy);
739 }
740
741 static void updateWorkspaceCount(WScreen * scr)
742 { /* changeable */
743 long count;
744
745 count = scr->workspace_count;
746
747 XChangeProperty(dpy, scr->root_win, net_number_of_desktops, XA_CARDINAL,
748 32, PropModeReplace, (unsigned char *)&count, 1);
749 }
750
751 static void updateCurrentWorkspace(WScreen * scr)
752 { /* changeable */
753 long count;
754
755 count = scr->current_workspace;
756
757 XChangeProperty(dpy, scr->root_win, net_current_desktop, XA_CARDINAL, 32,
758 PropModeReplace, (unsigned char *)&count, 1);
759 }
760
761 static void updateWorkspaceNames(WScreen * scr)
762 {
763 char buf[MAX_WORKSPACES * (MAX_WORKSPACENAME_WIDTH + 1)], *pos;
764 unsigned int i, len, curr_size;
765
766 pos = buf;
767 len = 0;
768 for (i = 0; i < scr->workspace_count; i++) {
769 curr_size = strlen(scr->workspaces[i]->name);
770 strcpy(pos, scr->workspaces[i]->name);
771 pos += (curr_size + 1);
772 len += (curr_size + 1);
773 }
774
775 XChangeProperty(dpy, scr->root_win, net_desktop_names, utf8_string, 8,
776 PropModeReplace, (unsigned char *)buf, len);
777 }
778
779 static void updateFocusHint(WScreen * scr, WWindow * wwin)
780 { /* changeable */
781 Window window;
782
783 if (!scr->focused_window || !scr->focused_window->flags.focused)
784 window = None;
785 else
786 window = scr->focused_window->client_win;
787
788 XChangeProperty(dpy, scr->root_win, net_active_window, XA_WINDOW, 32,
789 PropModeReplace, (unsigned char *)&window, 1);
790 }
791
792 static void updateWorkspaceHint(WWindow * wwin, Bool fake, Bool del)
793 {
794 long l;
795
796 if (del) {
797 XDeleteProperty(dpy, wwin->client_win, net_wm_desktop);
798 } else {
799 l = ((fake || IS_OMNIPRESENT(wwin)) ? -1 : wwin->frame->workspace);
800 XChangeProperty(dpy, wwin->client_win, net_wm_desktop, XA_CARDINAL,
801 32, PropModeReplace, (unsigned char *)&l, 1);
802 }
803 }
804
805 static void updateStateHint(WWindow * wwin, Bool changedWorkspace, Bool del)
806 { /* changeable */
807 if (del) {
808 XDeleteProperty(dpy, wwin->client_win, net_wm_state);
809 } else {
810 Atom state[15]; /* nr of defined state atoms */
811 int i = 0;
812
813 if (changedWorkspace || (wPreferences.sticky_icons && !IS_OMNIPRESENT(wwin)))
814 updateWorkspaceHint(wwin, False, False);
815
816 if (IS_OMNIPRESENT(wwin))
817 state[i++] = net_wm_state_sticky;
818 if (wwin->flags.shaded)
819 state[i++] = net_wm_state_shaded;
820 if (wwin->flags.maximized & MAX_HORIZONTAL)
821 state[i++] = net_wm_state_maximized_horz;
822 if (wwin->flags.maximized & MAX_VERTICAL)
823 state[i++] = net_wm_state_maximized_vert;
824 if (WFLAGP(wwin, skip_window_list))
825 state[i++] = net_wm_state_skip_taskbar;
826 if (wwin->flags.net_skip_pager)
827 state[i++] = net_wm_state_skip_pager;
828 if ((wwin->flags.hidden || wwin->flags.miniaturized) && !wwin->flags.net_show_desktop) {
829 state[i++] = net_wm_state_hidden;
830 state[i++] = net_wm_state_skip_pager;
831
832 if (wwin->flags.miniaturized && wPreferences.sticky_icons) {
833 if (!IS_OMNIPRESENT(wwin))
834 updateWorkspaceHint(wwin, True, False);
835 state[i++] = net_wm_state_sticky;
836 }
837 }
838 if (WFLAGP(wwin, sunken))
839 state[i++] = net_wm_state_below;
840 if (WFLAGP(wwin, floating))
841 state[i++] = net_wm_state_above;
842 if (wwin->flags.fullscreen)
843 state[i++] = net_wm_state_fullscreen;
844
845 XChangeProperty(dpy, wwin->client_win, net_wm_state, XA_ATOM, 32,
846 PropModeReplace, (unsigned char *)state, i);
847 }
848 }
849
850 static Bool updateStrut(WWindow * wwin, Bool adding)
851 {
852 WScreen *scr;
853 WReservedArea *area;
854 Bool hasState = False;
855
856 scr = wwin->screen_ptr;
857
858 if (adding) {
859 Atom type_ret;
860 int fmt_ret;
861 unsigned long nitems_ret;
862 unsigned long bytes_after_ret;
863 long *data = NULL;
864
865 if (XGetWindowProperty(dpy, wwin->client_win, net_wm_strut, 0, 4, False,
866 XA_CARDINAL, &type_ret, &fmt_ret, &nitems_ret,
867 &bytes_after_ret, (unsigned char **)&data) == Success && data) {
868
869 area = (WReservedArea *) wmalloc(sizeof(WReservedArea));
870 area->area.x1 = data[0];
871 area->area.x2 = data[1];
872 area->area.y1 = data[2];
873 area->area.y2 = data[3];
874
875 area->window = wwin->client_win;
876
877 area->next = scr->netdata->strut;
878 scr->netdata->strut = area;
879
880 XFree(data);
881 hasState = True;
882 }
883
884 } else {
885 /* deleting */
886 area = scr->netdata->strut;
887
888 if (area) {
889 if (area->window == wwin->client_win) {
890 scr->netdata->strut = area->next;
891 wfree(area);
892 hasState = True;
893 } else {
894 while (area->next && area->next->window != wwin->client_win)
895 area = area->next;
896
897 if (area->next) {
898 WReservedArea *next;
899
900 next = area->next->next;
901 wfree(area->next);
902 area->next = next;
903
904 hasState = True;
905 }
906 }
907 }
908 }
909
910 return hasState;
911 }
912
913 static int getWindowLayer(WWindow * wwin)
914 {
915 int layer = WMNormalLevel;
916
917 if (wwin->type == net_wm_window_type_desktop) {
918 layer = WMDesktopLevel;
919 } else if (wwin->type == net_wm_window_type_dock) {
920 layer = WMDockLevel;
921 } else if (wwin->type == net_wm_window_type_toolbar) {
922 layer = WMMainMenuLevel;
923 } else if (wwin->type == net_wm_window_type_menu) {
924 layer = WMSubmenuLevel;
925 } else if (wwin->type == net_wm_window_type_utility) {
926 } else if (wwin->type == net_wm_window_type_splash) {
927 } else if (wwin->type == net_wm_window_type_dialog) {
928 if (wwin->transient_for) {
929 WWindow *parent = wWindowFor(wwin->transient_for);
930 if (parent && parent->flags.fullscreen) {
931 layer = WMFullscreenLevel;
932 }
933 }
934 /* //layer = WMPopUpLevel; // this seems a bad idea -Dan */
935 } else if (wwin->type == net_wm_window_type_normal) {
936 }
937
938 if (wwin->client_flags.sunken && WMSunkenLevel < layer)
939 layer = WMSunkenLevel;
940 if (wwin->client_flags.floating && WMFloatingLevel > layer)
941 layer = WMFloatingLevel;
942
943 return layer;
944 }
945
946 static void doStateAtom(WWindow * wwin, Atom state, int set, Bool init)
947 {
948
949 if (state == net_wm_state_sticky) {
950 if (set == _NET_WM_STATE_TOGGLE) {
951 set = !IS_OMNIPRESENT(wwin);
952 }
953 if (set != wwin->flags.omnipresent) {
954 wWindowSetOmnipresent(wwin, set);
955 }
956 } else if (state == net_wm_state_shaded) {
957 if (set == _NET_WM_STATE_TOGGLE) {
958 set = !wwin->flags.shaded;
959 }
960 if (init) {
961 wwin->flags.shaded = set;
962 } else {
963 if (set) {
964 wShadeWindow(wwin);
965 } else {
966 wUnshadeWindow(wwin);
967 }
968 }
969 } else if (state == net_wm_state_skip_taskbar) {
970 if (set == _NET_WM_STATE_TOGGLE) {
971 set = !wwin->client_flags.skip_window_list;
972 }
973 wwin->client_flags.skip_window_list = set;
974 } else if (state == net_wm_state_skip_pager) {
975 if (set == _NET_WM_STATE_TOGGLE) {
976 set = !wwin->flags.net_skip_pager;
977 }
978 wwin->flags.net_skip_pager = set;
979 } else if (state == net_wm_state_maximized_vert) {
980 if (set == _NET_WM_STATE_TOGGLE) {
981 set = !(wwin->flags.maximized & MAX_VERTICAL);
982 }
983 if (init) {
984 wwin->flags.maximized |= (set ? MAX_VERTICAL : 0);
985 } else {
986 if (set) {
987 wMaximizeWindow(wwin, wwin->flags.maximized | MAX_VERTICAL);
988 } else {
989 wMaximizeWindow(wwin, wwin->flags.maximized & ~MAX_VERTICAL);
990 }
991 }
992 } else if (state == net_wm_state_maximized_horz) {
993 if (set == _NET_WM_STATE_TOGGLE) {
994 set = !(wwin->flags.maximized & MAX_HORIZONTAL);
995 }
996 if (init) {
997 wwin->flags.maximized |= (set ? MAX_HORIZONTAL : 0);
998 } else {
999 if (set) {
1000 wMaximizeWindow(wwin, wwin->flags.maximized | MAX_HORIZONTAL);
1001 } else {
1002 wMaximizeWindow(wwin, wwin->flags.maximized & ~MAX_HORIZONTAL);
1003 }
1004 }
1005 } else if (state == net_wm_state_hidden) {
1006 if (set == _NET_WM_STATE_TOGGLE) {
1007 set = !(wwin->flags.miniaturized);
1008 }
1009 if (init) {
1010 wwin->flags.miniaturized = set;
1011 } else {
1012 if (set) {
1013 wIconifyWindow(wwin);
1014 } else {
1015 wDeiconifyWindow(wwin);
1016 }
1017 }
1018 } else if (state == net_wm_state_fullscreen) {
1019 if (set == _NET_WM_STATE_TOGGLE) {
1020 set = !(wwin->flags.fullscreen);
1021 }
1022 if (init) {
1023 wwin->flags.fullscreen = set;
1024 } else {
1025 if (set) {
1026 wFullscreenWindow(wwin);
1027 } else {
1028 wUnfullscreenWindow(wwin);
1029 }
1030 }
1031 } else if (state == net_wm_state_above) {
1032 if (set == _NET_WM_STATE_TOGGLE) {
1033 set = !(wwin->client_flags.floating);
1034 }
1035 if (init) {
1036 wwin->client_flags.floating = set;
1037 } else {
1038 wwin->client_flags.floating = set;
1039 ChangeStackingLevel(wwin->frame->core, getWindowLayer(wwin));
1040 }
1041
1042 } else if (state == net_wm_state_below) {
1043 if (set == _NET_WM_STATE_TOGGLE) {
1044 set = !(wwin->client_flags.sunken);
1045 }
1046 if (init) {
1047 wwin->client_flags.sunken = set;
1048 } else {
1049 wwin->client_flags.sunken = set;
1050 ChangeStackingLevel(wwin->frame->core, getWindowLayer(wwin));
1051 }
1052
1053 } else {
1054 #ifdef DEBUG_WMSPEC
1055 wmessage("doStateAtom unknown atom %s set %d\n", XGetAtomName(dpy, state), set);
1056 #endif
1057 }
1058 }
1059
1060 static void removeIcon(WWindow * wwin)
1061 {
1062 if (wwin->icon == NULL)
1063 return;
1064 if (wwin->flags.miniaturized && wwin->icon->mapped) {
1065 XUnmapWindow(dpy, wwin->icon->core->window);
1066 RemoveFromStackList(wwin->icon->core);
1067 wIconDestroy(wwin->icon);
1068 wwin->icon = NULL;
1069 }
1070 }
1071
1072 static Bool handleWindowType(WWindow * wwin, Atom type, int *layer)
1073 {
1074 Bool ret = True;
1075
1076 if (type == net_wm_window_type_desktop) {
1077 wwin->client_flags.no_titlebar = 1;
1078 wwin->client_flags.no_resizable = 1;
1079 wwin->client_flags.no_miniaturizable = 1;
1080 wwin->client_flags.no_border = 1;
1081 wwin->client_flags.no_resizebar = 1;
1082 wwin->client_flags.no_shadeable = 1;
1083 wwin->client_flags.no_movable = 1;
1084 wwin->client_flags.omnipresent = 1;
1085 wwin->client_flags.skip_window_list = 1;
1086 wwin->client_flags.skip_switchpanel = 1;
1087 wwin->client_flags.dont_move_off = 1;
1088 wwin->client_flags.no_appicon = 1;
1089 wwin->flags.net_skip_pager = 1;
1090 wwin->frame_x = 0;
1091 wwin->frame_y = 0;
1092 } else if (type == net_wm_window_type_dock) {
1093 wwin->client_flags.no_titlebar = 1;
1094 wwin->client_flags.no_resizable = 1;
1095 wwin->client_flags.no_miniaturizable = 1;
1096 wwin->client_flags.no_border = 1; /* XXX: really not a single decoration. */
1097 wwin->client_flags.no_resizebar = 1;
1098 wwin->client_flags.no_shadeable = 1;
1099 wwin->client_flags.no_movable = 1;
1100 wwin->client_flags.omnipresent = 1;
1101 wwin->client_flags.skip_window_list = 1;
1102 wwin->client_flags.skip_switchpanel = 1;
1103 wwin->client_flags.dont_move_off = 1;
1104 wwin->flags.net_skip_pager = 1;
1105 } else if (type == net_wm_window_type_toolbar) {
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_resizebar = 1;
1110 wwin->client_flags.no_shadeable = 1;
1111 wwin->client_flags.skip_window_list = 1;
1112 wwin->client_flags.skip_switchpanel = 1;
1113 wwin->client_flags.dont_move_off = 1;
1114 wwin->client_flags.no_appicon = 1;
1115 } else if (type == net_wm_window_type_menu) {
1116 wwin->client_flags.no_titlebar = 1;
1117 wwin->client_flags.no_resizable = 1;
1118 wwin->client_flags.no_miniaturizable = 1;
1119 wwin->client_flags.no_resizebar = 1;
1120 wwin->client_flags.no_shadeable = 1;
1121 wwin->client_flags.skip_window_list = 1;
1122 wwin->client_flags.skip_switchpanel = 1;
1123 wwin->client_flags.dont_move_off = 1;
1124 wwin->client_flags.no_appicon = 1;
1125 } else if (type == net_wm_window_type_utility) {
1126 wwin->client_flags.no_appicon = 1;
1127 } else if (type == net_wm_window_type_splash) {
1128 wwin->client_flags.no_titlebar = 1;
1129 wwin->client_flags.no_resizable = 1;
1130 wwin->client_flags.no_miniaturizable = 1;
1131 wwin->client_flags.no_resizebar = 1;
1132 wwin->client_flags.no_shadeable = 1;
1133 wwin->client_flags.no_movable = 1;
1134 wwin->client_flags.skip_window_list = 1;
1135 wwin->client_flags.skip_switchpanel = 1;
1136 wwin->client_flags.dont_move_off = 1;
1137 wwin->client_flags.no_appicon = 1;
1138 wwin->flags.net_skip_pager = 1;
1139 } else if (type == net_wm_window_type_dialog) {
1140 /* These also seem a bad idea in our context -Dan
1141 // wwin->client_flags.skip_window_list = 1;
1142 // wwin->client_flags.no_appicon = 1;
1143 */
1144 } else if (type == net_wm_window_type_normal) {
1145 } else {
1146 ret = False;
1147 }
1148
1149 wwin->type = type;
1150 *layer = getWindowLayer(wwin);
1151
1152 return ret;
1153 }
1154
1155 void wNETWMPositionSplash(WWindow * wwin, int *x, int *y, int width, int height)
1156 {
1157 if (wwin->type == net_wm_window_type_splash) {
1158 WScreen *scr = wwin->screen_ptr;
1159 WMRect rect = wGetRectForHead(scr, wGetHeadForPointerLocation(scr));
1160 *x = rect.pos.x + (rect.size.width - width) / 2;
1161 *y = rect.pos.y + (rect.size.height - height) / 2;
1162 }
1163 }
1164
1165 static void updateWindowType(WWindow * wwin)
1166 {
1167 Atom type_ret;
1168 int fmt_ret;
1169 unsigned long nitems_ret;
1170 unsigned long bytes_after_ret;
1171 long *data = NULL;
1172 int layer;
1173 if (XGetWindowProperty(dpy, wwin->client_win, net_wm_window_type, 0, 1,
1174 False, XA_ATOM, &type_ret, &fmt_ret, &nitems_ret,
1175 &bytes_after_ret, (unsigned char **)&data) == Success && data) {
1176
1177 int i;
1178 Atom *type = (Atom *) data;
1179 for (i = 0; i < nitems_ret; ++i) {
1180 if (handleWindowType(wwin, type[i], &layer))
1181 break;
1182 }
1183 XFree(data);
1184 }
1185
1186 if (wwin->frame != NULL) {
1187 ChangeStackingLevel(wwin->frame->core, layer);
1188 wwin->frame->flags.need_texture_change = 1;
1189 wWindowConfigureBorders(wwin);
1190 wFrameWindowPaint(wwin->frame);
1191 wNETWMUpdateActions(wwin, False);
1192 }
1193 }
1194
1195 Bool wNETWMCheckClientHints(WWindow * wwin, int *layer, int *workspace)
1196 {
1197 Atom type_ret;
1198 int fmt_ret;
1199 unsigned long nitems_ret;
1200 unsigned long bytes_after_ret;
1201 long *data = NULL;
1202 Bool hasState = False;
1203 int i;
1204
1205 if (XGetWindowProperty(dpy, wwin->client_win, net_wm_desktop, 0, 1, False,
1206 XA_CARDINAL, &type_ret, &fmt_ret, &nitems_ret,
1207 &bytes_after_ret, (unsigned char **)&data) == Success && data) {
1208
1209 long desktop = *data;
1210 XFree(data);
1211
1212 if (desktop == -1)
1213 wwin->client_flags.omnipresent = 1;
1214 else
1215 *workspace = desktop;
1216
1217 hasState = True;
1218 }
1219
1220 if (XGetWindowProperty(dpy, wwin->client_win, net_wm_state, 0, 1, False,
1221 XA_ATOM, &type_ret, &fmt_ret, &nitems_ret,
1222 &bytes_after_ret, (unsigned char **)&data) == Success && data) {
1223
1224 Atom *state = (Atom *) data;
1225 for (i = 0; i < nitems_ret; ++i) {
1226 doStateAtom(wwin, state[i], _NET_WM_STATE_ADD, True);
1227 }
1228 XFree(data);
1229 hasState = True;
1230 }
1231
1232 if (XGetWindowProperty(dpy, wwin->client_win, net_wm_window_type, 0, 1, False,
1233 XA_ATOM, &type_ret, &fmt_ret, &nitems_ret,
1234 &bytes_after_ret, (unsigned char **)&data) == Success && data) {
1235
1236 Atom *type = (Atom *) data;
1237 for (i = 0; i < nitems_ret; ++i) {
1238 if (handleWindowType(wwin, type[i], layer))
1239 break;
1240 }
1241 XFree(data);
1242 hasState = True;
1243 }
1244
1245 wNETWMUpdateActions(wwin, False);
1246 updateStrut(wwin, False);
1247 if (updateStrut(wwin, True)) {
1248 hasState = True;
1249 }
1250 wScreenUpdateUsableArea(wwin->screen_ptr);
1251
1252 return hasState;
1253 }
1254
1255 static Bool updateNetIconInfo(WWindow * wwin)
1256 {
1257
1258 Atom type_ret;
1259 int fmt_ret;
1260 unsigned long nitems_ret;
1261 unsigned long bytes_after_ret;
1262 long *data = NULL;
1263 Bool hasState = False;
1264 Bool old_state = wwin->flags.net_handle_icon;
1265
1266 if (XGetWindowProperty(dpy, wwin->client_win, net_wm_handled_icons, 0, 1, False,
1267 XA_CARDINAL, &type_ret, &fmt_ret, &nitems_ret,
1268 &bytes_after_ret, (unsigned char **)&data) == Success && data) {
1269 long handled = *data;
1270 wwin->flags.net_handle_icon = (handled != 0);
1271 XFree(data);
1272 hasState = True;
1273
1274 } else
1275 wwin->flags.net_handle_icon = False;
1276
1277 if (XGetWindowProperty(dpy, wwin->client_win, net_wm_icon_geometry, 0, 4, False,
1278 XA_CARDINAL, &type_ret, &fmt_ret, &nitems_ret,
1279 &bytes_after_ret, (unsigned char **)&data) == Success && data) {
1280
1281 #ifdef NETWM_PROPER
1282 if (wwin->flags.net_handle_icon)
1283 #else
1284 wwin->flags.net_handle_icon = True;
1285 #endif
1286 {
1287 wwin->icon_x = data[0];
1288 wwin->icon_y = data[1];
1289 wwin->icon_w = data[2];
1290 wwin->icon_h = data[3];
1291 }
1292
1293 XFree(data);
1294 hasState = True;
1295
1296 } else
1297 wwin->flags.net_handle_icon = False;
1298
1299 if (wwin->flags.miniaturized && old_state != wwin->flags.net_handle_icon) {
1300 if (wwin->flags.net_handle_icon) {
1301 removeIcon(wwin);
1302 } else {
1303 wwin->flags.miniaturized = False;
1304 wwin->flags.skip_next_animation = True;
1305 wIconifyWindow(wwin);
1306 }
1307 }
1308
1309 return hasState;
1310 }
1311
1312 Bool wNETWMCheckInitialClientState(WWindow * wwin)
1313 {
1314 Bool hasState = False;
1315
1316 #ifdef DEBUG_WMSPEC
1317 wmessage("enter");
1318 #endif
1319
1320 wNETWMShowingDesktop(wwin->screen_ptr, False);
1321
1322 hasState |= updateNetIconInfo(wwin);
1323
1324 updateIconImage(wwin);
1325
1326 return hasState;
1327 }
1328
1329 static void handleDesktopNames(XClientMessageEvent * event, WScreen * scr)
1330 {
1331 unsigned long nitems_ret, bytes_after_ret;
1332 char *data, *names[32];
1333 int fmt_ret, i, n;
1334 Atom type_ret;
1335
1336 if (XGetWindowProperty(dpy, scr->root_win, net_desktop_names, 0, 1, False,
1337 utf8_string, &type_ret, &fmt_ret, &nitems_ret,
1338 &bytes_after_ret, (unsigned char **)&data) != Success) {
1339 return;
1340 }
1341
1342 if (data == NULL)
1343 return;
1344
1345 if (type_ret != utf8_string || fmt_ret != 8)
1346 return;
1347
1348 n = 0;
1349 names[n] = data;
1350 for (i = 0; i < nitems_ret; i++) {
1351 if (data[i] == 0) {
1352 n++;
1353 names[n] = &data[i];
1354 } else if (*names[n] == 0) {
1355 names[n] = &data[i];
1356 wWorkspaceRename(scr, n, names[n]);
1357 }
1358 }
1359 }
1360
1361 Bool wNETWMProcessClientMessage(XClientMessageEvent * event)
1362 {
1363 WScreen *scr;
1364 WWindow *wwin;
1365 Bool done = True;
1366
1367 #ifdef DEBUG_WMSPEC
1368 wmessage("processClientMessage type %s\n", XGetAtomName(dpy, event->message_type));
1369 #endif
1370
1371 scr = wScreenForWindow(event->window);
1372 if (scr) {
1373 /* generic client messages */
1374 if (event->message_type == net_current_desktop) {
1375 wWorkspaceChange(scr, event->data.l[0]);
1376 } else if (event->message_type == net_number_of_desktops) {
1377 long value;
1378
1379 value = event->data.l[0];
1380 if (value > scr->workspace_count) {
1381 wWorkspaceMake(scr, value - scr->workspace_count);
1382 } else if (value < scr->workspace_count) {
1383 int i;
1384 Bool rebuild = False;
1385
1386 for (i = scr->workspace_count - 1; i >= value; i--) {
1387 if (!wWorkspaceDelete(scr, i)) {
1388 rebuild = True;
1389 break;
1390 }
1391 }
1392
1393 if (rebuild) {
1394 updateWorkspaceCount(scr);
1395 }
1396 }
1397 } else if (event->message_type == net_showing_desktop) {
1398 wNETWMShowingDesktop(scr, event->data.l[0]);
1399 } else if (event->message_type == net_desktop_names) {
1400 handleDesktopNames(event, scr);
1401 } else {
1402 done = False;
1403 }
1404
1405 if (done)
1406 return True;
1407 }
1408
1409 /* window specific client messages */
1410
1411 wwin = wWindowFor(event->window);
1412 if (!wwin)
1413 return False;
1414
1415 if (event->message_type == net_active_window) {
1416 /*
1417 * Satisfy a client's focus request only if
1418 * - request comes from a pager, or
1419 * - it's explicitly allowed in Advanced Options, or
1420 * - giving the client the focus does not cause a change in
1421 * the active workspace (XXX: or the active head if Xinerama)
1422 */
1423 if (wwin->frame->workspace == wwin->screen_ptr->current_workspace /* No workspace change */
1424 || event->data.l[0] == 2 /* Requested by pager */
1425 || WFLAGP(wwin, focus_across_wksp) /* Explicitly allowed */) {
1426 wNETWMShowingDesktop(scr, False);
1427 wMakeWindowVisible(wwin);
1428 }
1429 } else if (event->message_type == net_close_window) {
1430 if (!WFLAGP(wwin, no_closable)) {
1431 if (wwin->protocols.DELETE_WINDOW)
1432 wClientSendProtocol(wwin, _XA_WM_DELETE_WINDOW, LastTimestamp);
1433 }
1434 } else if (event->message_type == net_wm_state) {
1435 int maximized = wwin->flags.maximized;
1436 long set = event->data.l[0];
1437
1438 #ifdef DEBUG_WMSPEC
1439 wmessage("net_wm_state set %ld a1 %s a2 %s\n", set,
1440 XGetAtomName(dpy, event->data.l[1]), XGetAtomName(dpy, event->data.l[2]));
1441 #endif
1442
1443 doStateAtom(wwin, (Atom) event->data.l[1], set, False);
1444 if (event->data.l[2])
1445 doStateAtom(wwin, (Atom) event->data.l[2], set, False);
1446
1447 if (wwin->flags.maximized != maximized) {
1448 if (!wwin->flags.maximized) {
1449 wwin->flags.maximized = maximized;
1450 wUnmaximizeWindow(wwin);
1451 } else {
1452 wMaximizeWindow(wwin, wwin->flags.maximized);
1453 }
1454 }
1455 updateStateHint(wwin, False, False);
1456 } else if (event->message_type == net_wm_handled_icons || event->message_type == net_wm_icon_geometry) {
1457 updateNetIconInfo(wwin);
1458 } else if (event->message_type == net_wm_desktop) {
1459 long desktop = event->data.l[0];
1460 if (desktop == -1) {
1461 wWindowSetOmnipresent(wwin, True);
1462 } else {
1463 if (IS_OMNIPRESENT(wwin))
1464 wWindowSetOmnipresent(wwin, False);
1465 wWindowChangeWorkspace(wwin, desktop);
1466 }
1467 } else {
1468 done = False;
1469 }
1470
1471 return done;
1472 }
1473
1474 Bool wNETWMCheckClientHintChange(WWindow * wwin, XPropertyEvent * event)
1475 {
1476 Bool ret = True;
1477
1478 #ifdef DEBUG_WMSPEC
1479 wmessage("clientHintChange type %s\n", XGetAtomName(dpy, event->atom));
1480 #endif
1481
1482 if (event->atom == net_wm_strut) {
1483 updateStrut(wwin, False);
1484 updateStrut(wwin, True);
1485 wScreenUpdateUsableArea(wwin->screen_ptr);
1486 } else if (event->atom == net_wm_handled_icons || event->atom == net_wm_icon_geometry) {
1487 updateNetIconInfo(wwin);
1488 } else if (event->atom == net_wm_window_type) {
1489 updateWindowType(wwin);
1490 } else if (event->atom == net_wm_name) {
1491 char *name = wNETWMGetWindowName(wwin->client_win);
1492 wWindowUpdateName(wwin, name);
1493 if (name)
1494 wfree(name);
1495 } else if (event->atom == net_wm_icon_name) {
1496 if (wwin->icon) {
1497 char *name = wNETWMGetIconName(wwin->client_win);
1498 wIconChangeTitle(wwin->icon, name);
1499 }
1500 } else if (event->atom == net_wm_icon) {
1501 updateIconImage(wwin);
1502 } else {
1503 ret = False;
1504 }
1505
1506 return ret;
1507 }
1508
1509 int wNETWMGetPidForWindow(Window window)
1510 {
1511 Atom type_ret;
1512 int fmt_ret;
1513 unsigned long nitems_ret;
1514 unsigned long bytes_after_ret;
1515 long *data = NULL;
1516 int pid;
1517
1518 if (XGetWindowProperty(dpy, window, net_wm_pid, 0, 1, False,
1519 XA_CARDINAL, &type_ret, &fmt_ret, &nitems_ret,
1520 &bytes_after_ret, (unsigned char **)&data) == Success && data) {
1521
1522 pid = *data;
1523 XFree(data);
1524 } else {
1525 pid = 0;
1526 }
1527
1528 return pid;
1529 }
1530
1531 char *wNETWMGetWindowName(Window window)
1532 {
1533 char *name;
1534 char *ret;
1535 int size;
1536
1537 name = (char *)PropGetCheckProperty(window, net_wm_name, utf8_string, 0, 0, &size);
1538 if (name) {
1539 ret = wstrndup(name, size);
1540 XFree(name);
1541 } else
1542 ret = NULL;
1543 return ret;
1544 }
1545
1546 char *wNETWMGetIconName(Window window)
1547 {
1548 char *name;
1549 char *ret;
1550 int size;
1551
1552 name = (char *)PropGetCheckProperty(window, net_wm_icon_name, utf8_string, 0, 0, &size);
1553 if (name) {
1554 ret = wstrndup(name, size);
1555 XFree(name);
1556 } else
1557 ret = NULL;
1558 return ret;
1559 }
1560
1561 static void observer(void *self, WMNotification * notif)
1562 {
1563 WWindow *wwin = (WWindow *) WMGetNotificationObject(notif);
1564 const char *name = WMGetNotificationName(notif);
1565 void *data = WMGetNotificationClientData(notif);
1566 NetData *ndata = (NetData *) self;
1567
1568 if (strcmp(name, WMNManaged) == 0 && wwin) {
1569 updateClientList(wwin->screen_ptr);
1570 updateClientListStacking(wwin->screen_ptr, NULL);
1571 updateStateHint(wwin, True, False);
1572
1573 updateStrut(wwin, False);
1574 updateStrut(wwin, True);
1575 wScreenUpdateUsableArea(wwin->screen_ptr);
1576 } else if (strcmp(name, WMNUnmanaged) == 0 && wwin) {
1577 updateClientList(wwin->screen_ptr);
1578 updateClientListStacking(wwin->screen_ptr, wwin);
1579 updateWorkspaceHint(wwin, False, True);
1580 updateStateHint(wwin, False, True);
1581 wNETWMUpdateActions(wwin, True);
1582
1583 updateStrut(wwin, False);
1584 wScreenUpdateUsableArea(wwin->screen_ptr);
1585 } else if (strcmp(name, WMNResetStacking) == 0 && wwin) {
1586 updateClientListStacking(wwin->screen_ptr, NULL);
1587 updateStateHint(wwin, False, False);
1588 } else if (strcmp(name, WMNChangedStacking) == 0 && wwin) {
1589 updateClientListStacking(wwin->screen_ptr, NULL);
1590 updateStateHint(wwin, False, False);
1591 } else if (strcmp(name, WMNChangedFocus) == 0) {
1592 updateFocusHint(ndata->scr, wwin);
1593 } else if (strcmp(name, WMNChangedWorkspace) == 0 && wwin) {
1594 updateWorkspaceHint(wwin, False, False);
1595 updateStateHint(wwin, True, False);
1596 } else if (strcmp(name, WMNChangedState) == 0 && wwin) {
1597 updateStateHint(wwin, !strcmp(data, "omnipresent"), False);
1598 }
1599 }
1600
1601 static void wsobserver(void *self, WMNotification * notif)
1602 {
1603 WScreen *scr = (WScreen *) WMGetNotificationObject(notif);
1604 const char *name = WMGetNotificationName(notif);
1605
1606 if (strcmp(name, WMNWorkspaceCreated) == 0) {
1607 updateWorkspaceCount(scr);
1608 updateWorkspaceNames(scr);
1609 } else if (strcmp(name, WMNWorkspaceDestroyed) == 0) {
1610 updateWorkspaceCount(scr);
1611 updateWorkspaceNames(scr);
1612 } else if (strcmp(name, WMNWorkspaceChanged) == 0) {
1613 updateCurrentWorkspace(scr);
1614 } else if (strcmp(name, WMNWorkspaceNameChanged) == 0) {
1615 updateWorkspaceNames(scr);
1616 }
1617 }
1618
1619 void wNETFrameExtents(WWindow *wwin)
1620 {
1621 long extents[4] = { 0, 0, 0, 0 };
1622
1623 /* The extents array describes dimensions which are not
1624 * part of the client window. In our case that means
1625 * widths of the border and heights of the titlebar and resizebar.
1626 *
1627 * Index 0 = left
1628 * 1 = right
1629 * 2 = top
1630 * 3 = bottom
1631 */
1632 if (!wwin->client_flags.no_border)
1633 extents[0] = extents[1] = FRAME_BORDER_WIDTH;
1634 if (wwin->frame->titlebar)
1635 extents[2] = wwin->frame->titlebar->height;
1636 if (wwin->frame->resizebar)
1637 extents[3] = wwin->frame->resizebar->height;
1638
1639 XChangeProperty(dpy, wwin->client_win, net_frame_extents, XA_CARDINAL, 32, PropModeReplace, (unsigned char *) extents, 4);
1640 }
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