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window.c clean code 1
[wmaker-crm.git] / src / wmspec.c
blobc758f0a8d4221723d348489f758d897ac64d3292
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 RImage *get_window_image_from_x11(Window window)
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, window, 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_window_image_from_x11(wwin->client_win);
468
469 /* Refresh the Window Icon */
470 if (wwin->icon)
471 wIconUpdate(wwin->icon, NULL);
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, NULL);
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 #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, *client_list_reverse;
704 int client_count, i;
705 WCoreWindow *tmp;
706 WMBagIterator iter;
707
708 /* update client list */
709 i = scr->window_count + 1;
710 client_list = (Window *) wmalloc(sizeof(Window) * i);
711 client_list_reverse = (Window *) wmalloc(sizeof(Window) * i);
712
713 client_count = 0;
714 WM_ETARETI_BAG(scr->stacking_list, tmp, iter) {
715 while (tmp) {
716 wwin = wWindowFor(tmp->window);
717 /* wwin_excl is a window to exclude from the list
718 (e.g. it's now unmanaged) */
719 if (wwin && (wwin != wwin_excl))
720 client_list[client_count++] = wwin->client_win;
721 tmp = tmp->stacking->under;
722 }
723 }
724
725 for (i = 0; i < client_count; i++) {
726 Window w = client_list[client_count - i - 1];
727 client_list_reverse[i] = w;
728 }
729
730 XChangeProperty(dpy, scr->root_win, net_client_list_stacking, XA_WINDOW, 32,
731 PropModeReplace, (unsigned char *)client_list_reverse, client_count);
732
733 wfree(client_list);
734 wfree(client_list_reverse);
735
736 XFlush(dpy);
737 }
738
739 static void updateWorkspaceCount(WScreen *scr)
740 { /* changeable */
741 long count;
742
743 count = scr->workspace_count;
744
745 XChangeProperty(dpy, scr->root_win, net_number_of_desktops, XA_CARDINAL,
746 32, PropModeReplace, (unsigned char *)&count, 1);
747 }
748
749 static void updateCurrentWorkspace(WScreen *scr)
750 { /* changeable */
751 long count;
752
753 count = scr->current_workspace;
754
755 XChangeProperty(dpy, scr->root_win, net_current_desktop, XA_CARDINAL, 32,
756 PropModeReplace, (unsigned char *)&count, 1);
757 }
758
759 static void updateWorkspaceNames(WScreen *scr)
760 {
761 char buf[MAX_WORKSPACES * (MAX_WORKSPACENAME_WIDTH + 1)], *pos;
762 unsigned int i, len, curr_size;
763
764 pos = buf;
765 len = 0;
766 for (i = 0; i < scr->workspace_count; i++) {
767 curr_size = strlen(scr->workspaces[i]->name);
768 strcpy(pos, scr->workspaces[i]->name);
769 pos += (curr_size + 1);
770 len += (curr_size + 1);
771 }
772
773 XChangeProperty(dpy, scr->root_win, net_desktop_names, utf8_string, 8,
774 PropModeReplace, (unsigned char *)buf, len);
775 }
776
777 static void updateFocusHint(WScreen *scr, WWindow *wwin)
778 { /* changeable */
779 Window window;
780
781 if (!scr->focused_window || !scr->focused_window->flags.focused)
782 window = None;
783 else
784 window = scr->focused_window->client_win;
785
786 XChangeProperty(dpy, scr->root_win, net_active_window, XA_WINDOW, 32,
787 PropModeReplace, (unsigned char *)&window, 1);
788 }
789
790 static void updateWorkspaceHint(WWindow *wwin, Bool fake, Bool del)
791 {
792 long l;
793
794 if (del) {
795 XDeleteProperty(dpy, wwin->client_win, net_wm_desktop);
796 } else {
797 l = ((fake || IS_OMNIPRESENT(wwin)) ? -1 : wwin->frame->workspace);
798 XChangeProperty(dpy, wwin->client_win, net_wm_desktop, XA_CARDINAL,
799 32, PropModeReplace, (unsigned char *)&l, 1);
800 }
801 }
802
803 static void updateStateHint(WWindow *wwin, Bool changedWorkspace, Bool del)
804 { /* changeable */
805 if (del) {
806 XDeleteProperty(dpy, wwin->client_win, net_wm_state);
807 } else {
808 Atom state[15]; /* nr of defined state atoms */
809 int i = 0;
810
811 if (changedWorkspace || (wPreferences.sticky_icons && !IS_OMNIPRESENT(wwin)))
812 updateWorkspaceHint(wwin, False, False);
813
814 if (IS_OMNIPRESENT(wwin))
815 state[i++] = net_wm_state_sticky;
816 if (wwin->flags.shaded)
817 state[i++] = net_wm_state_shaded;
818 if (wwin->flags.maximized & MAX_HORIZONTAL)
819 state[i++] = net_wm_state_maximized_horz;
820 if (wwin->flags.maximized & MAX_VERTICAL)
821 state[i++] = net_wm_state_maximized_vert;
822 if (WFLAGP(wwin, skip_window_list))
823 state[i++] = net_wm_state_skip_taskbar;
824 if (wwin->flags.net_skip_pager)
825 state[i++] = net_wm_state_skip_pager;
826 if ((wwin->flags.hidden || wwin->flags.miniaturized) && !wwin->flags.net_show_desktop) {
827 state[i++] = net_wm_state_hidden;
828 state[i++] = net_wm_state_skip_pager;
829
830 if (wwin->flags.miniaturized && wPreferences.sticky_icons) {
831 if (!IS_OMNIPRESENT(wwin))
832 updateWorkspaceHint(wwin, True, False);
833 state[i++] = net_wm_state_sticky;
834 }
835 }
836 if (WFLAGP(wwin, sunken))
837 state[i++] = net_wm_state_below;
838 if (WFLAGP(wwin, floating))
839 state[i++] = net_wm_state_above;
840 if (wwin->flags.fullscreen)
841 state[i++] = net_wm_state_fullscreen;
842
843 XChangeProperty(dpy, wwin->client_win, net_wm_state, XA_ATOM, 32,
844 PropModeReplace, (unsigned char *)state, i);
845 }
846 }
847
848 static Bool updateStrut(WScreen *scr, Window w, Bool adding)
849 {
850 WReservedArea *area;
851 Bool hasState = False;
852
853 if (adding) {
854 Atom type_ret;
855 int fmt_ret;
856 unsigned long nitems_ret, bytes_after_ret;
857 long *data = NULL;
858
859 if ((XGetWindowProperty(dpy, w, net_wm_strut, 0, 4, False,
860 XA_CARDINAL, &type_ret, &fmt_ret, &nitems_ret,
861 &bytes_after_ret, (unsigned char **)&data) == Success && data) ||
862 ((XGetWindowProperty(dpy, w, net_wm_strut_partial, 0, 12, False,
863 XA_CARDINAL, &type_ret, &fmt_ret, &nitems_ret,
864 &bytes_after_ret, (unsigned char **)&data) == Success && data))) {
865
866 /* XXX: This is strictly incorrect in the case of net_wm_strut_partial...
867 * Discard the start and end properties from the partial strut and treat it as
868 * a (deprecated) strut.
869 * This means we are marking the whole width or height of the screen as
870 * reserved, which is not necessarily what the strut defines. However for the
871 * purposes of determining placement or maximization it's probably good enough.
872 */
873 area = (WReservedArea *) wmalloc(sizeof(WReservedArea));
874 area->area.x1 = data[0];
875 area->area.x2 = data[1];
876 area->area.y1 = data[2];
877 area->area.y2 = data[3];
878
879 area->window = w;
880
881 area->next = scr->netdata->strut;
882 scr->netdata->strut = area;
883
884 XFree(data);
885 hasState = True;
886 }
887 } else {
888 /* deleting */
889 area = scr->netdata->strut;
890
891 if (area) {
892 if (area->window == w) {
893 scr->netdata->strut = area->next;
894 wfree(area);
895 hasState = True;
896 } else {
897 while (area->next && area->next->window != w)
898 area = area->next;
899
900 if (area->next) {
901 WReservedArea *next;
902
903 next = area->next->next;
904 wfree(area->next);
905 area->next = next;
906
907 hasState = True;
908 }
909 }
910 }
911 }
912
913 return hasState;
914 }
915
916 static int getWindowLayer(WWindow *wwin)
917 {
918 int layer = WMNormalLevel;
919
920 if (wwin->type == net_wm_window_type_desktop) {
921 layer = WMDesktopLevel;
922 } else if (wwin->type == net_wm_window_type_dock) {
923 layer = WMDockLevel;
924 } else if (wwin->type == net_wm_window_type_toolbar) {
925 layer = WMMainMenuLevel;
926 } else if (wwin->type == net_wm_window_type_menu) {
927 layer = WMSubmenuLevel;
928 } else if (wwin->type == net_wm_window_type_utility) {
929 } else if (wwin->type == net_wm_window_type_splash) {
930 } else if (wwin->type == net_wm_window_type_dialog) {
931 if (wwin->transient_for) {
932 WWindow *parent = wWindowFor(wwin->transient_for);
933 if (parent && parent->flags.fullscreen)
934 layer = WMFullscreenLevel;
935 }
936 /* //layer = WMPopUpLevel; // this seems a bad idea -Dan */
937 } else if (wwin->type == net_wm_window_type_normal) {
938 }
939
940 if (wwin->client_flags.sunken && WMSunkenLevel < layer)
941 layer = WMSunkenLevel;
942 if (wwin->client_flags.floating && WMFloatingLevel > layer)
943 layer = WMFloatingLevel;
944
945 return layer;
946 }
947
948 static void doStateAtom(WWindow *wwin, Atom state, int set, Bool init)
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 } 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 } else if (state == net_wm_state_maximized_horz) {
992 if (set == _NET_WM_STATE_TOGGLE)
993 set = !(wwin->flags.maximized & MAX_HORIZONTAL);
994
995 if (init) {
996 wwin->flags.maximized |= (set ? MAX_HORIZONTAL : 0);
997 } else {
998 if (set)
999 wMaximizeWindow(wwin, wwin->flags.maximized | MAX_HORIZONTAL);
1000 else
1001 wMaximizeWindow(wwin, wwin->flags.maximized & ~MAX_HORIZONTAL);
1002 }
1003 } else if (state == net_wm_state_hidden) {
1004 if (set == _NET_WM_STATE_TOGGLE)
1005 set = !(wwin->flags.miniaturized);
1006
1007 if (init) {
1008 wwin->flags.miniaturized = set;
1009 } else {
1010 if (set)
1011 wIconifyWindow(wwin);
1012 else
1013 wDeiconifyWindow(wwin);
1014 }
1015 } else if (state == net_wm_state_fullscreen) {
1016 if (set == _NET_WM_STATE_TOGGLE)
1017 set = !(wwin->flags.fullscreen);
1018
1019 if (init) {
1020 wwin->flags.fullscreen = set;
1021 } else {
1022 if (set)
1023 wFullscreenWindow(wwin);
1024 else
1025 wUnfullscreenWindow(wwin);
1026 }
1027 } else if (state == net_wm_state_above) {
1028 if (set == _NET_WM_STATE_TOGGLE)
1029 set = !(wwin->client_flags.floating);
1030
1031 if (init) {
1032 wwin->client_flags.floating = set;
1033 } else {
1034 wwin->client_flags.floating = set;
1035 ChangeStackingLevel(wwin->frame->core, getWindowLayer(wwin));
1036 }
1037
1038 } else if (state == net_wm_state_below) {
1039 if (set == _NET_WM_STATE_TOGGLE)
1040 set = !(wwin->client_flags.sunken);
1041
1042 if (init) {
1043 wwin->client_flags.sunken = set;
1044 } else {
1045 wwin->client_flags.sunken = set;
1046 ChangeStackingLevel(wwin->frame->core, getWindowLayer(wwin));
1047 }
1048
1049 } else {
1050 #ifdef DEBUG_WMSPEC
1051 wmessage("doStateAtom unknown atom %s set %d\n", XGetAtomName(dpy, state), set);
1052 #endif
1053 }
1054 }
1055
1056 static void removeIcon(WWindow *wwin)
1057 {
1058 if (wwin->icon == NULL)
1059 return;
1060 if (wwin->flags.miniaturized && wwin->icon->mapped) {
1061 XUnmapWindow(dpy, wwin->icon->core->window);
1062 RemoveFromStackList(wwin->icon->core);
1063 wIconDestroy(wwin->icon);
1064 wwin->icon = NULL;
1065 }
1066 }
1067
1068 static Bool handleWindowType(WWindow *wwin, Atom type, int *layer)
1069 {
1070 Bool ret = True;
1071
1072 if (type == net_wm_window_type_desktop) {
1073 wwin->client_flags.no_titlebar = 1;
1074 wwin->client_flags.no_resizable = 1;
1075 wwin->client_flags.no_miniaturizable = 1;
1076 wwin->client_flags.no_border = 1;
1077 wwin->client_flags.no_resizebar = 1;
1078 wwin->client_flags.no_shadeable = 1;
1079 wwin->client_flags.no_movable = 1;
1080 wwin->client_flags.omnipresent = 1;
1081 wwin->client_flags.skip_window_list = 1;
1082 wwin->client_flags.skip_switchpanel = 1;
1083 wwin->client_flags.dont_move_off = 1;
1084 wwin->client_flags.no_appicon = 1;
1085 wwin->flags.net_skip_pager = 1;
1086 wwin->frame_x = 0;
1087 wwin->frame_y = 0;
1088 } else if (type == net_wm_window_type_dock) {
1089 wwin->client_flags.no_titlebar = 1;
1090 wwin->client_flags.no_resizable = 1;
1091 wwin->client_flags.no_miniaturizable = 1;
1092 wwin->client_flags.no_border = 1; /* XXX: really not a single decoration. */
1093 wwin->client_flags.no_resizebar = 1;
1094 wwin->client_flags.no_shadeable = 1;
1095 wwin->client_flags.no_movable = 1;
1096 wwin->client_flags.omnipresent = 1;
1097 wwin->client_flags.skip_window_list = 1;
1098 wwin->client_flags.skip_switchpanel = 1;
1099 wwin->client_flags.dont_move_off = 1;
1100 wwin->flags.net_skip_pager = 1;
1101 } else if (type == net_wm_window_type_toolbar) {
1102 wwin->client_flags.no_titlebar = 1;
1103 wwin->client_flags.no_resizable = 1;
1104 wwin->client_flags.no_miniaturizable = 1;
1105 wwin->client_flags.no_resizebar = 1;
1106 wwin->client_flags.no_shadeable = 1;
1107 wwin->client_flags.skip_window_list = 1;
1108 wwin->client_flags.skip_switchpanel = 1;
1109 wwin->client_flags.dont_move_off = 1;
1110 wwin->client_flags.no_appicon = 1;
1111 } else if (type == net_wm_window_type_menu) {
1112 wwin->client_flags.no_titlebar = 1;
1113 wwin->client_flags.no_resizable = 1;
1114 wwin->client_flags.no_miniaturizable = 1;
1115 wwin->client_flags.no_resizebar = 1;
1116 wwin->client_flags.no_shadeable = 1;
1117 wwin->client_flags.skip_window_list = 1;
1118 wwin->client_flags.skip_switchpanel = 1;
1119 wwin->client_flags.dont_move_off = 1;
1120 wwin->client_flags.no_appicon = 1;
1121 } else if (type == net_wm_window_type_utility) {
1122 wwin->client_flags.no_appicon = 1;
1123 } else if (type == net_wm_window_type_splash) {
1124 wwin->client_flags.no_titlebar = 1;
1125 wwin->client_flags.no_resizable = 1;
1126 wwin->client_flags.no_miniaturizable = 1;
1127 wwin->client_flags.no_resizebar = 1;
1128 wwin->client_flags.no_shadeable = 1;
1129 wwin->client_flags.no_movable = 1;
1130 wwin->client_flags.skip_window_list = 1;
1131 wwin->client_flags.skip_switchpanel = 1;
1132 wwin->client_flags.dont_move_off = 1;
1133 wwin->client_flags.no_appicon = 1;
1134 wwin->flags.net_skip_pager = 1;
1135 } else if (type == net_wm_window_type_dialog) {
1136 /* These also seem a bad idea in our context -Dan
1137 // wwin->client_flags.skip_window_list = 1;
1138 // wwin->client_flags.no_appicon = 1;
1139 */
1140 } else if (type == net_wm_window_type_normal) {
1141 } else {
1142 ret = False;
1143 }
1144
1145 wwin->type = type;
1146 *layer = getWindowLayer(wwin);
1147
1148 return ret;
1149 }
1150
1151 void wNETWMPositionSplash(WWindow *wwin, int *x, int *y, int width, int height)
1152 {
1153 if (wwin->type == net_wm_window_type_splash) {
1154 WScreen *scr = wwin->screen_ptr;
1155 WMRect rect = wGetRectForHead(scr, wGetHeadForPointerLocation(scr));
1156 *x = rect.pos.x + (rect.size.width - width) / 2;
1157 *y = rect.pos.y + (rect.size.height - height) / 2;
1158 }
1159 }
1160
1161 static void updateWindowType(WWindow *wwin)
1162 {
1163 Atom type_ret;
1164 int fmt_ret, layer;
1165 unsigned long nitems_ret, bytes_after_ret;
1166 long *data = NULL;
1167
1168 if (XGetWindowProperty(dpy, wwin->client_win, net_wm_window_type, 0, 1,
1169 False, XA_ATOM, &type_ret, &fmt_ret, &nitems_ret,
1170 &bytes_after_ret, (unsigned char **)&data) == Success && data) {
1171
1172 int i;
1173 Atom *type = (Atom *) data;
1174 for (i = 0; i < nitems_ret; ++i) {
1175 if (handleWindowType(wwin, type[i], &layer))
1176 break;
1177 }
1178 XFree(data);
1179 }
1180
1181 if (wwin->frame != NULL) {
1182 ChangeStackingLevel(wwin->frame->core, layer);
1183 wwin->frame->flags.need_texture_change = 1;
1184 wWindowConfigureBorders(wwin);
1185 wFrameWindowPaint(wwin->frame);
1186 wNETWMUpdateActions(wwin, False);
1187 }
1188 }
1189
1190 void wNETWMCheckClientHints(WWindow *wwin, int *layer, int *workspace)
1191 {
1192 Atom type_ret;
1193 int fmt_ret, i;
1194 unsigned long nitems_ret, bytes_after_ret;
1195 long *data = NULL;
1196
1197 if (XGetWindowProperty(dpy, wwin->client_win, net_wm_desktop, 0, 1, False,
1198 XA_CARDINAL, &type_ret, &fmt_ret, &nitems_ret,
1199 &bytes_after_ret, (unsigned char **)&data) == Success && data) {
1200
1201 long desktop = *data;
1202 XFree(data);
1203
1204 if (desktop == -1)
1205 wwin->client_flags.omnipresent = 1;
1206 else
1207 *workspace = desktop;
1208 }
1209
1210 if (XGetWindowProperty(dpy, wwin->client_win, net_wm_state, 0, 1, False,
1211 XA_ATOM, &type_ret, &fmt_ret, &nitems_ret,
1212 &bytes_after_ret, (unsigned char **)&data) == Success && data) {
1213
1214 Atom *state = (Atom *) data;
1215 for (i = 0; i < nitems_ret; ++i)
1216 doStateAtom(wwin, state[i], _NET_WM_STATE_ADD, True);
1217
1218 XFree(data);
1219 }
1220
1221 if (XGetWindowProperty(dpy, wwin->client_win, net_wm_window_type, 0, 1, False,
1222 XA_ATOM, &type_ret, &fmt_ret, &nitems_ret,
1223 &bytes_after_ret, (unsigned char **)&data) == Success && data) {
1224
1225 Atom *type = (Atom *) data;
1226 for (i = 0; i < nitems_ret; ++i) {
1227 if (handleWindowType(wwin, type[i], layer))
1228 break;
1229 }
1230 XFree(data);
1231 }
1232
1233 wNETWMUpdateActions(wwin, False);
1234 updateStrut(wwin->screen_ptr, wwin->client_win, False);
1235 updateStrut(wwin->screen_ptr, wwin->client_win, True);
1236
1237 wScreenUpdateUsableArea(wwin->screen_ptr);
1238 }
1239
1240 static Bool updateNetIconInfo(WWindow *wwin)
1241 {
1242 Atom type_ret;
1243 int fmt_ret;
1244 unsigned long nitems_ret, bytes_after_ret;
1245 long *data = NULL;
1246 Bool hasState = False;
1247 Bool old_state = wwin->flags.net_handle_icon;
1248
1249 if (XGetWindowProperty(dpy, wwin->client_win, net_wm_handled_icons, 0, 1, False,
1250 XA_CARDINAL, &type_ret, &fmt_ret, &nitems_ret,
1251 &bytes_after_ret, (unsigned char **)&data) == Success && data) {
1252 long handled = *data;
1253 wwin->flags.net_handle_icon = (handled != 0);
1254 XFree(data);
1255 hasState = True;
1256
1257 } else {
1258 wwin->flags.net_handle_icon = False;
1259 }
1260
1261 if (XGetWindowProperty(dpy, wwin->client_win, net_wm_icon_geometry, 0, 4, False,
1262 XA_CARDINAL, &type_ret, &fmt_ret, &nitems_ret,
1263 &bytes_after_ret, (unsigned char **)&data) == Success && data) {
1264
1265 #ifdef NETWM_PROPER
1266 if (wwin->flags.net_handle_icon)
1267 #else
1268 wwin->flags.net_handle_icon = True;
1269 #endif
1270 {
1271 wwin->icon_x = data[0];
1272 wwin->icon_y = data[1];
1273 wwin->icon_w = data[2];
1274 wwin->icon_h = data[3];
1275 }
1276
1277 XFree(data);
1278 hasState = True;
1279
1280 } else {
1281 wwin->flags.net_handle_icon = False;
1282 }
1283
1284 if (wwin->flags.miniaturized && old_state != wwin->flags.net_handle_icon) {
1285 if (wwin->flags.net_handle_icon) {
1286 removeIcon(wwin);
1287 } else {
1288 wwin->flags.miniaturized = False;
1289 wwin->flags.skip_next_animation = True;
1290 wIconifyWindow(wwin);
1291 }
1292 }
1293
1294 return hasState;
1295 }
1296
1297 void wNETWMCheckInitialClientState(WWindow *wwin)
1298 {
1299 #ifdef DEBUG_WMSPEC
1300 wmessage("wNETWMCheckInitialClientState");
1301 #endif
1302
1303 wNETWMShowingDesktop(wwin->screen_ptr, False);
1304
1305 updateNetIconInfo(wwin);
1306 updateIconImage(wwin);
1307 }
1308
1309 static void handleDesktopNames(XClientMessageEvent *event, WScreen *scr)
1310 {
1311 unsigned long nitems_ret, bytes_after_ret;
1312 char *data, *names[32];
1313 int fmt_ret, i, n;
1314 Atom type_ret;
1315
1316 if (XGetWindowProperty(dpy, scr->root_win, net_desktop_names, 0, 1, False,
1317 utf8_string, &type_ret, &fmt_ret, &nitems_ret,
1318 &bytes_after_ret, (unsigned char **)&data) != Success)
1319 return;
1320
1321 if (data == NULL)
1322 return;
1323
1324 if (type_ret != utf8_string || fmt_ret != 8)
1325 return;
1326
1327 n = 0;
1328 names[n] = data;
1329 for (i = 0; i < nitems_ret; i++) {
1330 if (data[i] == 0) {
1331 n++;
1332 names[n] = &data[i];
1333 } else if (*names[n] == 0) {
1334 names[n] = &data[i];
1335 wWorkspaceRename(scr, n, names[n]);
1336 }
1337 }
1338 }
1339
1340 Bool wNETWMProcessClientMessage(XClientMessageEvent *event)
1341 {
1342 WScreen *scr;
1343 WWindow *wwin;
1344 Bool done = True;
1345
1346 #ifdef DEBUG_WMSPEC
1347 wmessage("processClientMessage type %s\n", XGetAtomName(dpy, event->message_type));
1348 #endif
1349
1350 scr = wScreenForWindow(event->window);
1351 if (scr) {
1352 /* generic client messages */
1353 if (event->message_type == net_current_desktop) {
1354 wWorkspaceChange(scr, event->data.l[0]);
1355 } else if (event->message_type == net_number_of_desktops) {
1356 long value;
1357
1358 value = event->data.l[0];
1359 if (value > scr->workspace_count) {
1360 wWorkspaceMake(scr, value - scr->workspace_count);
1361 } else if (value < scr->workspace_count) {
1362 int i;
1363 Bool rebuild = False;
1364
1365 for (i = scr->workspace_count - 1; i >= value; i--) {
1366 if (!wWorkspaceDelete(scr, i)) {
1367 rebuild = True;
1368 break;
1369 }
1370 }
1371
1372 if (rebuild)
1373 updateWorkspaceCount(scr);
1374 }
1375 } else if (event->message_type == net_showing_desktop) {
1376 wNETWMShowingDesktop(scr, event->data.l[0]);
1377 } else if (event->message_type == net_desktop_names) {
1378 handleDesktopNames(event, scr);
1379 } else {
1380 done = False;
1381 }
1382
1383 if (done)
1384 return True;
1385 }
1386
1387 /* window specific client messages */
1388
1389 wwin = wWindowFor(event->window);
1390 if (!wwin)
1391 return False;
1392
1393 if (event->message_type == net_active_window) {
1394 /*
1395 * Satisfy a client's focus request only if
1396 * - request comes from a pager, or
1397 * - it's explicitly allowed in Advanced Options, or
1398 * - giving the client the focus does not cause a change in
1399 * the active workspace (XXX: or the active head if Xinerama)
1400 */
1401 if (wwin->frame->workspace == wwin->screen_ptr->current_workspace /* No workspace change */
1402 || event->data.l[0] == 2 /* Requested by pager */
1403 || WFLAGP(wwin, focus_across_wksp) /* Explicitly allowed */) {
1404 wNETWMShowingDesktop(scr, False);
1405 wMakeWindowVisible(wwin);
1406 }
1407 } else if (event->message_type == net_close_window) {
1408 if (!WFLAGP(wwin, no_closable)) {
1409 if (wwin->protocols.DELETE_WINDOW)
1410 wClientSendProtocol(wwin, _XA_WM_DELETE_WINDOW, LastTimestamp);
1411 }
1412 } else if (event->message_type == net_wm_state) {
1413 int maximized = wwin->flags.maximized;
1414 long set = event->data.l[0];
1415
1416 #ifdef DEBUG_WMSPEC
1417 wmessage("net_wm_state set %ld a1 %s a2 %s\n", set,
1418 XGetAtomName(dpy, event->data.l[1]), XGetAtomName(dpy, event->data.l[2]));
1419 #endif
1420
1421 doStateAtom(wwin, (Atom) event->data.l[1], set, False);
1422 if (event->data.l[2])
1423 doStateAtom(wwin, (Atom) event->data.l[2], set, False);
1424
1425 if (wwin->flags.maximized != maximized) {
1426 if (!wwin->flags.maximized) {
1427 wwin->flags.maximized = maximized;
1428 wUnmaximizeWindow(wwin);
1429 } else {
1430 wMaximizeWindow(wwin, wwin->flags.maximized);
1431 }
1432 }
1433 updateStateHint(wwin, False, False);
1434 } else if (event->message_type == net_wm_handled_icons || event->message_type == net_wm_icon_geometry) {
1435 updateNetIconInfo(wwin);
1436 } else if (event->message_type == net_wm_desktop) {
1437 long desktop = event->data.l[0];
1438 if (desktop == -1) {
1439 wWindowSetOmnipresent(wwin, True);
1440 } else {
1441 if (IS_OMNIPRESENT(wwin))
1442 wWindowSetOmnipresent(wwin, False);
1443 wWindowChangeWorkspace(wwin, desktop);
1444 }
1445 } else {
1446 done = False;
1447 }
1448
1449 return done;
1450 }
1451
1452 void wNETWMCheckClientHintChange(WWindow *wwin, XPropertyEvent *event)
1453 {
1454 #ifdef DEBUG_WMSPEC
1455 wmessage("clientHintChange type %s\n", XGetAtomName(dpy, event->atom));
1456 #endif
1457
1458 if (event->atom == net_wm_strut || event->atom == net_wm_strut_partial) {
1459 updateStrut(wwin->screen_ptr, wwin->client_win, False);
1460 updateStrut(wwin->screen_ptr, wwin->client_win, True);
1461 wScreenUpdateUsableArea(wwin->screen_ptr);
1462 } else if (event->atom == net_wm_handled_icons || event->atom == net_wm_icon_geometry) {
1463 updateNetIconInfo(wwin);
1464 } else if (event->atom == net_wm_window_type) {
1465 updateWindowType(wwin);
1466 } else if (event->atom == net_wm_name) {
1467 char *name = wNETWMGetWindowName(wwin->client_win);
1468 wWindowUpdateName(wwin, name);
1469 if (name)
1470 wfree(name);
1471 } else if (event->atom == net_wm_icon_name) {
1472 if (wwin->icon) {
1473 char *name = wNETWMGetIconName(wwin->client_win);
1474 wIconChangeTitle(wwin->icon, name);
1475 }
1476 } else if (event->atom == net_wm_icon) {
1477 updateIconImage(wwin);
1478 }
1479 }
1480
1481 int wNETWMGetPidForWindow(Window window)
1482 {
1483 Atom type_ret;
1484 int fmt_ret;
1485 unsigned long nitems_ret, bytes_after_ret;
1486 long *data = NULL;
1487 int pid;
1488
1489 if (XGetWindowProperty(dpy, window, net_wm_pid, 0, 1, False,
1490 XA_CARDINAL, &type_ret, &fmt_ret, &nitems_ret,
1491 &bytes_after_ret, (unsigned char **)&data) == Success && data) {
1492 pid = *data;
1493 XFree(data);
1494 } else {
1495 pid = 0;
1496 }
1497
1498 return pid;
1499 }
1500
1501 char *wNETWMGetWindowName(Window window)
1502 {
1503 char *name;
1504 char *ret;
1505 int size;
1506
1507 name = (char *)PropGetCheckProperty(window, net_wm_name, utf8_string, 0, 0, &size);
1508 if (name) {
1509 ret = wstrndup(name, size);
1510 XFree(name);
1511 } else {
1512 ret = NULL;
1513 }
1514
1515 return ret;
1516 }
1517
1518 char *wNETWMGetIconName(Window window)
1519 {
1520 char *name;
1521 char *ret;
1522 int size;
1523
1524 name = (char *)PropGetCheckProperty(window, net_wm_icon_name, utf8_string, 0, 0, &size);
1525 if (name) {
1526 ret = wstrndup(name, size);
1527 XFree(name);
1528 } else {
1529 ret = NULL;
1530 }
1531
1532 return ret;
1533 }
1534
1535 static void observer(void *self, WMNotification *notif)
1536 {
1537 WWindow *wwin = (WWindow *) WMGetNotificationObject(notif);
1538 const char *name = WMGetNotificationName(notif);
1539 void *data = WMGetNotificationClientData(notif);
1540 NetData *ndata = (NetData *) self;
1541
1542 if (strcmp(name, WMNManaged) == 0 && wwin) {
1543 updateClientList(wwin->screen_ptr);
1544 updateClientListStacking(wwin->screen_ptr, NULL);
1545 updateStateHint(wwin, True, False);
1546
1547 updateStrut(wwin->screen_ptr, wwin->client_win, False);
1548 updateStrut(wwin->screen_ptr, wwin->client_win, True);
1549 wScreenUpdateUsableArea(wwin->screen_ptr);
1550 } else if (strcmp(name, WMNUnmanaged) == 0 && wwin) {
1551 updateClientList(wwin->screen_ptr);
1552 updateClientListStacking(wwin->screen_ptr, wwin);
1553 updateWorkspaceHint(wwin, False, True);
1554 updateStateHint(wwin, False, True);
1555 wNETWMUpdateActions(wwin, True);
1556
1557 updateStrut(wwin->screen_ptr, wwin->client_win, False);
1558 wScreenUpdateUsableArea(wwin->screen_ptr);
1559 } else if (strcmp(name, WMNResetStacking) == 0 && wwin) {
1560 updateClientListStacking(wwin->screen_ptr, NULL);
1561 updateStateHint(wwin, False, False);
1562 } else if (strcmp(name, WMNChangedStacking) == 0 && wwin) {
1563 updateClientListStacking(wwin->screen_ptr, NULL);
1564 updateStateHint(wwin, False, False);
1565 } else if (strcmp(name, WMNChangedFocus) == 0) {
1566 updateFocusHint(ndata->scr, wwin);
1567 } else if (strcmp(name, WMNChangedWorkspace) == 0 && wwin) {
1568 updateWorkspaceHint(wwin, False, False);
1569 updateStateHint(wwin, True, False);
1570 } else if (strcmp(name, WMNChangedState) == 0 && wwin) {
1571 updateStateHint(wwin, !strcmp(data, "omnipresent"), False);
1572 }
1573 }
1574
1575 static void wsobserver(void *self, WMNotification *notif)
1576 {
1577 WScreen *scr = (WScreen *) WMGetNotificationObject(notif);
1578 const char *name = WMGetNotificationName(notif);
1579
1580 if (strcmp(name, WMNWorkspaceCreated) == 0) {
1581 updateWorkspaceCount(scr);
1582 updateWorkspaceNames(scr);
1583 } else if (strcmp(name, WMNWorkspaceDestroyed) == 0) {
1584 updateWorkspaceCount(scr);
1585 updateWorkspaceNames(scr);
1586 } else if (strcmp(name, WMNWorkspaceChanged) == 0) {
1587 updateCurrentWorkspace(scr);
1588 } else if (strcmp(name, WMNWorkspaceNameChanged) == 0) {
1589 updateWorkspaceNames(scr);
1590 }
1591 }
1592
1593 void wNETFrameExtents(WWindow *wwin)
1594 {
1595 long extents[4] = { 0, 0, 0, 0 };
1596
1597 /* The extents array describes dimensions which are not
1598 * part of the client window. In our case that means
1599 * widths of the border and heights of the titlebar and resizebar.
1600 *
1601 * Index 0 = left
1602 * 1 = right
1603 * 2 = top
1604 * 3 = bottom
1605 */
1606 if (wwin->frame->titlebar)
1607 extents[2] = wwin->frame->titlebar->height;
1608 if (wwin->frame->resizebar)
1609 extents[3] = wwin->frame->resizebar->height;
1610 if (HAS_BORDER(wwin)) {
1611 extents[0] += FRAME_BORDER_WIDTH;
1612 extents[1] += FRAME_BORDER_WIDTH;
1613 extents[2] += FRAME_BORDER_WIDTH;
1614 extents[3] += FRAME_BORDER_WIDTH;
1615 }
1616
1617 XChangeProperty(dpy, wwin->client_win, net_frame_extents, XA_CARDINAL, 32, PropModeReplace, (unsigned char *) extents, 4);
1618 }
1619
1620 void wNETCleanupFrameExtents(WWindow *wwin)
1621 {
1622 XDeleteProperty(dpy, wwin->client_win, net_frame_extents);
1623 }
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