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wrlib: return NULL if XImage could not be taken, for consistency
[wmaker-crm.git] / src / wmspec.c
blob46351f23881a49cd97ef3a2362b278e357523c91
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
54 /* Root Window Properties */
55 static Atom net_supported;
56 static Atom net_client_list;
57 static Atom net_client_list_stacking;
58 static Atom net_number_of_desktops;
59 static Atom net_desktop_geometry;
60 static Atom net_desktop_viewport;
61 static Atom net_current_desktop;
62 static Atom net_desktop_names;
63 static Atom net_active_window;
64 static Atom net_supporting_wm_check;
65 static Atom net_virtual_roots; /* N/A */
66 static Atom net_desktop_layout; /* XXX */
67 static Atom net_showing_desktop;
68
69 /* Other Root Window Messages */
70 static Atom net_close_window;
71 static Atom net_moveresize_window; /* TODO */
72 static Atom net_wm_moveresize; /* TODO */
73
74 /* Application Window Properties */
75 static Atom net_wm_name;
76 static Atom net_wm_visible_name; /* TODO (unnecessary?) */
77 static Atom net_wm_icon_name;
78 static Atom net_wm_visible_icon_name; /* TODO (unnecessary?) */
79 static Atom net_wm_desktop;
80 static Atom net_wm_window_type;
81 static Atom net_wm_window_type_desktop;
82 static Atom net_wm_window_type_dock;
83 static Atom net_wm_window_type_toolbar;
84 static Atom net_wm_window_type_menu;
85 static Atom net_wm_window_type_utility;
86 static Atom net_wm_window_type_splash;
87 static Atom net_wm_window_type_dialog;
88 static Atom net_wm_window_type_dropdown_menu;
89 static Atom net_wm_window_type_popup_menu;
90 static Atom net_wm_window_type_tooltip;
91 static Atom net_wm_window_type_notification;
92 static Atom net_wm_window_type_combo;
93 static Atom net_wm_window_type_dnd;
94 static Atom net_wm_window_type_normal;
95 static Atom net_wm_state;
96 static Atom net_wm_state_modal; /* XXX: what is this?!? */
97 static Atom net_wm_state_sticky;
98 static Atom net_wm_state_maximized_vert;
99 static Atom net_wm_state_maximized_horz;
100 static Atom net_wm_state_shaded;
101 static Atom net_wm_state_skip_taskbar;
102 static Atom net_wm_state_skip_pager;
103 static Atom net_wm_state_hidden;
104 static Atom net_wm_state_fullscreen;
105 static Atom net_wm_state_above;
106 static Atom net_wm_state_below;
107 static Atom net_wm_allowed_actions;
108 static Atom net_wm_action_move;
109 static Atom net_wm_action_resize;
110 static Atom net_wm_action_minimize;
111 static Atom net_wm_action_shade;
112 static Atom net_wm_action_stick;
113 static Atom net_wm_action_maximize_horz;
114 static Atom net_wm_action_maximize_vert;
115 static Atom net_wm_action_fullscreen;
116 static Atom net_wm_action_change_desktop;
117 static Atom net_wm_action_close;
118 static Atom net_wm_strut; /* XXX: see net_workarea */
119 static Atom net_wm_strut_partial; /* TODO: doesn't really fit into the current strut scheme */
120 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. */
121 static Atom net_wm_icon;
122 static Atom net_wm_pid; /* TODO */
123 static Atom net_wm_handled_icons; /* FIXME: see net_wm_icon_geometry */
124 static Atom net_wm_window_opacity;
125
126 static Atom net_frame_extents;
127
128 /* Window Manager Protocols */
129 static Atom net_wm_ping; /* TODO */
130
131 static Atom utf8_string;
132
133 typedef struct {
134 char *name;
135 Atom *atom;
136 } atomitem_t;
137
138 static atomitem_t atomNames[] = {
139 {"_NET_SUPPORTED", &net_supported},
140 {"_NET_CLIENT_LIST", &net_client_list},
141 {"_NET_CLIENT_LIST_STACKING", &net_client_list_stacking},
142 {"_NET_NUMBER_OF_DESKTOPS", &net_number_of_desktops},
143 {"_NET_DESKTOP_GEOMETRY", &net_desktop_geometry},
144 {"_NET_DESKTOP_VIEWPORT", &net_desktop_viewport},
145 {"_NET_CURRENT_DESKTOP", &net_current_desktop},
146 {"_NET_DESKTOP_NAMES", &net_desktop_names},
147 {"_NET_ACTIVE_WINDOW", &net_active_window},
148 {"_NET_SUPPORTING_WM_CHECK", &net_supporting_wm_check},
149 {"_NET_VIRTUAL_ROOTS", &net_virtual_roots},
150 {"_NET_DESKTOP_LAYOUT", &net_desktop_layout},
151 {"_NET_SHOWING_DESKTOP", &net_showing_desktop},
152
153 {"_NET_CLOSE_WINDOW", &net_close_window},
154 {"_NET_MOVERESIZE_WINDOW", &net_moveresize_window},
155 {"_NET_WM_MOVERESIZE", &net_wm_moveresize},
156
157 {"_NET_WM_NAME", &net_wm_name},
158 {"_NET_WM_VISIBLE_NAME", &net_wm_visible_name},
159 {"_NET_WM_ICON_NAME", &net_wm_icon_name},
160 {"_NET_WM_VISIBLE_ICON_NAME", &net_wm_visible_icon_name},
161 {"_NET_WM_DESKTOP", &net_wm_desktop},
162 {"_NET_WM_WINDOW_TYPE", &net_wm_window_type},
163 {"_NET_WM_WINDOW_TYPE_DESKTOP", &net_wm_window_type_desktop},
164 {"_NET_WM_WINDOW_TYPE_DOCK", &net_wm_window_type_dock},
165 {"_NET_WM_WINDOW_TYPE_TOOLBAR", &net_wm_window_type_toolbar},
166 {"_NET_WM_WINDOW_TYPE_MENU", &net_wm_window_type_menu},
167 {"_NET_WM_WINDOW_TYPE_UTILITY", &net_wm_window_type_utility},
168 {"_NET_WM_WINDOW_TYPE_SPLASH", &net_wm_window_type_splash},
169 {"_NET_WM_WINDOW_TYPE_DIALOG", &net_wm_window_type_dialog},
170 {"_NET_WM_WINDOW_TYPE_DROPDOWN_MENU", &net_wm_window_type_dropdown_menu},
171 {"_NET_WM_WINDOW_TYPE_POPUP_MENU", &net_wm_window_type_popup_menu},
172 {"_NET_WM_WINDOW_TYPE_TOOLTIP", &net_wm_window_type_tooltip},
173 {"_NET_WM_WINDOW_TYPE_NOTIFICATION", &net_wm_window_type_notification},
174 {"_NET_WM_WINDOW_TYPE_COMBO", &net_wm_window_type_combo},
175 {"_NET_WM_WINDOW_TYPE_DND", &net_wm_window_type_dnd},
176 {"_NET_WM_WINDOW_TYPE_NORMAL", &net_wm_window_type_normal},
177 {"_NET_WM_STATE", &net_wm_state},
178 {"_NET_WM_STATE_MODAL", &net_wm_state_modal},
179 {"_NET_WM_STATE_STICKY", &net_wm_state_sticky},
180 {"_NET_WM_STATE_MAXIMIZED_VERT", &net_wm_state_maximized_vert},
181 {"_NET_WM_STATE_MAXIMIZED_HORZ", &net_wm_state_maximized_horz},
182 {"_NET_WM_STATE_SHADED", &net_wm_state_shaded},
183 {"_NET_WM_STATE_SKIP_TASKBAR", &net_wm_state_skip_taskbar},
184 {"_NET_WM_STATE_SKIP_PAGER", &net_wm_state_skip_pager},
185 {"_NET_WM_STATE_HIDDEN", &net_wm_state_hidden},
186 {"_NET_WM_STATE_FULLSCREEN", &net_wm_state_fullscreen},
187 {"_NET_WM_STATE_ABOVE", &net_wm_state_above},
188 {"_NET_WM_STATE_BELOW", &net_wm_state_below},
189 {"_NET_WM_ALLOWED_ACTIONS", &net_wm_allowed_actions},
190 {"_NET_WM_ACTION_MOVE", &net_wm_action_move},
191 {"_NET_WM_ACTION_RESIZE", &net_wm_action_resize},
192 {"_NET_WM_ACTION_MINIMIZE", &net_wm_action_minimize},
193 {"_NET_WM_ACTION_SHADE", &net_wm_action_shade},
194 {"_NET_WM_ACTION_STICK", &net_wm_action_stick},
195 {"_NET_WM_ACTION_MAXIMIZE_HORZ", &net_wm_action_maximize_horz},
196 {"_NET_WM_ACTION_MAXIMIZE_VERT", &net_wm_action_maximize_vert},
197 {"_NET_WM_ACTION_FULLSCREEN", &net_wm_action_fullscreen},
198 {"_NET_WM_ACTION_CHANGE_DESKTOP", &net_wm_action_change_desktop},
199 {"_NET_WM_ACTION_CLOSE", &net_wm_action_close},
200 {"_NET_WM_STRUT", &net_wm_strut},
201 {"_NET_WM_STRUT_PARTIAL", &net_wm_strut_partial},
202 {"_NET_WM_ICON_GEOMETRY", &net_wm_icon_geometry},
203 {"_NET_WM_ICON", &net_wm_icon},
204 {"_NET_WM_PID", &net_wm_pid},
205 {"_NET_WM_HANDLED_ICONS", &net_wm_handled_icons},
206 {"_NET_WM_WINDOW_OPACITY", &net_wm_window_opacity},
207
208 {"_NET_FRAME_EXTENTS", &net_frame_extents},
209
210 {"_NET_WM_PING", &net_wm_ping},
211
212 {"UTF8_STRING", &utf8_string},
213 };
214
215 #define _NET_WM_STATE_REMOVE 0
216 #define _NET_WM_STATE_ADD 1
217 #define _NET_WM_STATE_TOGGLE 2
218
219 #define _NET_WM_MOVERESIZE_SIZE_TOPLEFT 0
220 #define _NET_WM_MOVERESIZE_SIZE_TOP 1
221 #define _NET_WM_MOVERESIZE_SIZE_TOPRIGHT 2
222 #define _NET_WM_MOVERESIZE_SIZE_RIGHT 3
223 #define _NET_WM_MOVERESIZE_SIZE_BOTTOMRIGHT 4
224 #define _NET_WM_MOVERESIZE_SIZE_BOTTOM 5
225 #define _NET_WM_MOVERESIZE_SIZE_BOTTOMLEFT 6
226 #define _NET_WM_MOVERESIZE_SIZE_LEFT 7
227 #define _NET_WM_MOVERESIZE_MOVE 8 /* movement only */
228 #define _NET_WM_MOVERESIZE_SIZE_KEYBOARD 9 /* size via keyboard */
229 #define _NET_WM_MOVERESIZE_MOVE_KEYBOARD 10 /* move via keyboard */
230
231 static void observer(void *self, WMNotification *notif);
232 static void wsobserver(void *self, WMNotification *notif);
233
234 static void updateClientList(WScreen *scr);
235 static void updateClientListStacking(WScreen *scr, WWindow *);
236
237 static void updateWorkspaceNames(WScreen *scr);
238 static void updateCurrentWorkspace(WScreen *scr);
239 static void updateWorkspaceCount(WScreen *scr);
240 static void wNETWMShowingDesktop(WScreen *scr, Bool show);
241
242 typedef struct NetData {
243 WScreen *scr;
244 WReservedArea *strut;
245 WWindow **show_desktop;
246 } NetData;
247
248 static void setSupportedHints(WScreen *scr)
249 {
250 Atom atom[wlengthof(atomNames)];
251 int i = 0;
252
253 /* set supported hints list */
254 /* XXX: extend this !!! */
255
256 atom[i++] = net_client_list;
257 atom[i++] = net_client_list_stacking;
258 atom[i++] = net_number_of_desktops;
259 atom[i++] = net_desktop_geometry;
260 atom[i++] = net_desktop_viewport;
261 atom[i++] = net_current_desktop;
262 atom[i++] = net_desktop_names;
263 atom[i++] = net_active_window;
264 atom[i++] = net_supporting_wm_check;
265 atom[i++] = net_showing_desktop;
266 #if 0
267 atom[i++] = net_wm_moveresize;
268 #endif
269 atom[i++] = net_wm_desktop;
270 atom[i++] = net_wm_window_type;
271 atom[i++] = net_wm_window_type_desktop;
272 atom[i++] = net_wm_window_type_dock;
273 atom[i++] = net_wm_window_type_toolbar;
274 atom[i++] = net_wm_window_type_menu;
275 atom[i++] = net_wm_window_type_utility;
276 atom[i++] = net_wm_window_type_splash;
277 atom[i++] = net_wm_window_type_dialog;
278 atom[i++] = net_wm_window_type_dropdown_menu;
279 atom[i++] = net_wm_window_type_popup_menu;
280 atom[i++] = net_wm_window_type_tooltip;
281 atom[i++] = net_wm_window_type_notification;
282 atom[i++] = net_wm_window_type_combo;
283 atom[i++] = net_wm_window_type_dnd;
284 atom[i++] = net_wm_window_type_normal;
285
286 atom[i++] = net_wm_state;
287 /* atom[i++] = net_wm_state_modal; *//* XXX: not sure where/when to use it. */
288 atom[i++] = net_wm_state_sticky;
289 atom[i++] = net_wm_state_shaded;
290 atom[i++] = net_wm_state_maximized_horz;
291 atom[i++] = net_wm_state_maximized_vert;
292 atom[i++] = net_wm_state_skip_taskbar;
293 atom[i++] = net_wm_state_skip_pager;
294 atom[i++] = net_wm_state_hidden;
295 atom[i++] = net_wm_state_fullscreen;
296 atom[i++] = net_wm_state_above;
297 atom[i++] = net_wm_state_below;
298
299 atom[i++] = net_wm_allowed_actions;
300 atom[i++] = net_wm_action_move;
301 atom[i++] = net_wm_action_resize;
302 atom[i++] = net_wm_action_minimize;
303 atom[i++] = net_wm_action_shade;
304 atom[i++] = net_wm_action_stick;
305 atom[i++] = net_wm_action_maximize_horz;
306 atom[i++] = net_wm_action_maximize_vert;
307 atom[i++] = net_wm_action_fullscreen;
308 atom[i++] = net_wm_action_change_desktop;
309 atom[i++] = net_wm_action_close;
310
311 atom[i++] = net_wm_strut;
312 atom[i++] = net_wm_icon_geometry;
313 atom[i++] = net_wm_icon;
314 atom[i++] = net_wm_handled_icons;
315 atom[i++] = net_wm_window_opacity;
316
317 atom[i++] = net_frame_extents;
318
319 atom[i++] = net_wm_name;
320 atom[i++] = net_wm_icon_name;
321
322 XChangeProperty(dpy, scr->root_win, net_supported, XA_ATOM, 32, PropModeReplace, (unsigned char *)atom, i);
323
324 /* set supporting wm hint */
325 XChangeProperty(dpy, scr->root_win, net_supporting_wm_check, XA_WINDOW, 32,
326 PropModeReplace, (unsigned char *)&scr->info_window, 1);
327
328 XChangeProperty(dpy, scr->info_window, net_supporting_wm_check, XA_WINDOW,
329 32, PropModeReplace, (unsigned char *)&scr->info_window, 1);
330 }
331
332 void wNETWMUpdateDesktop(WScreen *scr)
333 {
334 long *views, sizes[2];
335 int count, i;
336
337 if (w_global.workspace.count == 0)
338 return;
339
340 count = w_global.workspace.count * 2;
341 views = wmalloc(sizeof(long) * count);
342 /*memset(views, 0, sizeof(long) * count); */
343 sizes[0] = scr->scr_width;
344 sizes[1] = scr->scr_height;
345
346 for (i = 0; i < w_global.workspace.count; i++) {
347 views[2 * i + 0] = 0;
348 views[2 * i + 1] = 0;
349 }
350
351 XChangeProperty(dpy, scr->root_win, net_desktop_geometry, XA_CARDINAL, 32,
352 PropModeReplace, (unsigned char *)sizes, 2);
353
354 XChangeProperty(dpy, scr->root_win, net_desktop_viewport, XA_CARDINAL, 32,
355 PropModeReplace, (unsigned char *)views, count);
356
357 wfree(views);
358 }
359
360 int wNETWMGetCurrentDesktopFromHint(WScreen *scr)
361 {
362 int count;
363 unsigned char *prop;
364
365 prop = PropGetCheckProperty(scr->root_win, net_current_desktop, XA_CARDINAL, 0, 1, &count);
366 if (prop) {
367 int desktop = *(long *)prop;
368 XFree(prop);
369 return desktop;
370 }
371 return -1;
372 }
373
374 /*
375 * Find the best icon to be used by Window Maker for appicon/miniwindows.
376 * Currently the algorithm is to take the image with the size closest
377 * to icon_size x icon_size, but never bigger than that.
378 *
379 * This algorithm is very poorly implemented and needs to be redone (it can
380 * easily select images with very large widths and very small heights over
381 * square images, if the area of the former is closer to the desired one).
382 *
383 * The logic can also be changed to accept bigger images and scale them down.
384 */
385 static unsigned long *findBestIcon(unsigned long *data, unsigned long items)
386 {
387 int size, wanted, d;
388 unsigned long i, distance;
389 unsigned long *icon;
390
391 /* better use only 75% of icon_size. For 64x64 this means 48x48
392 * This leaves room around the icon for the miniwindow title and
393 * results in better overall aesthetics -Dan */
394 wanted = wPreferences.icon_size * wPreferences.icon_size;
395
396 for (icon = NULL, distance = wanted, i = 0L; i < items - 1;) {
397 size = data[i] * data[i + 1];
398 if (size == 0)
399 break;
400 d = wanted - size;
401 if (d >= 0 && d <= distance && (i + size + 2) <= items) {
402 distance = d;
403 icon = &data[i];
404 }
405 i += size + 2;
406 }
407
408 return icon;
409 }
410
411 static RImage *makeRImageFromARGBData(unsigned long *data)
412 {
413 int size, width, height, i;
414 RImage *image;
415 unsigned char *imgdata;
416 unsigned long pixel;
417
418 width = data[0];
419 height = data[1];
420 size = width * height;
421
422 if (size == 0)
423 return NULL;
424
425 image = RCreateImage(width, height, True);
426
427 for (imgdata = image->data, i = 2; i < size + 2; i++, imgdata += 4) {
428 pixel = data[i];
429 imgdata[3] = (pixel >> 24) & 0xff; /* A */
430 imgdata[0] = (pixel >> 16) & 0xff; /* R */
431 imgdata[1] = (pixel >> 8) & 0xff; /* G */
432 imgdata[2] = (pixel >> 0) & 0xff; /* B */
433 }
434
435 return image;
436 }
437
438 RImage *get_window_image_from_x11(Window window)
439 {
440 RImage *image;
441 Atom type;
442 int format;
443 unsigned long items, rest;
444 unsigned long *property, *data;
445
446 /* Get the icon from X11 Window */
447 if (XGetWindowProperty(dpy, window, net_wm_icon, 0L, LONG_MAX,
448 False, XA_CARDINAL, &type, &format, &items, &rest,
449 (unsigned char **)&property) != Success || !property)
450 return NULL;
451
452 if (type != XA_CARDINAL || format != 32 || items < 2) {
453 XFree(property);
454 return NULL;
455 }
456
457 /* Find the best icon */
458 data = findBestIcon(property, items);
459 if (!data) {
460 XFree(property);
461 return NULL;
462 }
463
464 /* Save the best icon in the X11 icon */
465 image = makeRImageFromARGBData(data);
466
467 XFree(property);
468
469 /* Resize the image to the correct value */
470 image = wIconValidateIconSize(image, wPreferences.icon_size);
471
472 return image;
473 }
474
475 static void updateIconImage(WWindow *wwin)
476 {
477 /* Remove the icon image from X11 */
478 if (wwin->net_icon_image)
479 RReleaseImage(wwin->net_icon_image);
480
481 /* Save the icon in the X11 icon */
482 wwin->net_icon_image = get_window_image_from_x11(wwin->client_win);
483
484 /* Refresh the Window Icon */
485 if (wwin->icon)
486 wIconUpdate(wwin->icon);
487
488 /* Refresh the application icon */
489 WApplication *app = wApplicationOf(wwin->main_window);
490 if (app && app->app_icon) {
491 wIconUpdate(app->app_icon->icon);
492 wAppIconPaint(app->app_icon);
493 }
494 }
495
496 static void updateWindowOpacity(WWindow *wwin)
497 {
498 Atom type;
499 int format;
500 unsigned long items, rest;
501 unsigned long *property;
502
503 if (!wwin->frame)
504 return;
505
506 /* We don't care about this ourselves, but other programs need us to copy
507 * this to the frame window. */
508 if (XGetWindowProperty(dpy, wwin->client_win, net_wm_window_opacity, 0L, 1L,
509 False, XA_CARDINAL, &type, &format, &items, &rest,
510 (unsigned char **)&property) != Success)
511 return;
512
513 if (type == None) {
514 XDeleteProperty(dpy, wwin->frame->core->window, net_wm_window_opacity);
515 } else if (type == XA_CARDINAL && format == 32 && items == 1 && property) {
516 XChangeProperty(dpy, wwin->frame->core->window, net_wm_window_opacity,
517 XA_CARDINAL, 32, PropModeReplace, (unsigned char *)property, 1L);
518 }
519
520 if (property)
521 XFree(property);
522 }
523
524 static void updateShowDesktop(WScreen *scr, Bool show)
525 {
526 long foo;
527
528 foo = (show == True);
529 XChangeProperty(dpy, scr->root_win, net_showing_desktop, XA_CARDINAL, 32,
530 PropModeReplace, (unsigned char *)&foo, 1);
531 }
532
533 static void wNETWMShowingDesktop(WScreen *scr, Bool show)
534 {
535 if (show && scr->netdata->show_desktop == NULL) {
536 WWindow *tmp, **wins;
537 int i = 0;
538
539 wins = (WWindow **) wmalloc(sizeof(WWindow *) * (scr->window_count + 1));
540
541 tmp = scr->focused_window;
542 while (tmp) {
543 if (!tmp->flags.hidden && !tmp->flags.miniaturized && !WFLAGP(tmp, skip_window_list)) {
544
545 wins[i++] = tmp;
546 tmp->flags.skip_next_animation = 1;
547 tmp->flags.net_show_desktop = 1;
548 wIconifyWindow(tmp);
549 }
550
551 tmp = tmp->prev;
552 }
553 wins[i++] = NULL;
554
555 scr->netdata->show_desktop = wins;
556 updateShowDesktop(scr, True);
557 } else if (scr->netdata->show_desktop != NULL) {
558 /* FIXME: get rid of workspace flashing ! */
559 int ws = w_global.workspace.current;
560 WWindow **tmp;
561 for (tmp = scr->netdata->show_desktop; *tmp; ++tmp) {
562 wDeiconifyWindow(*tmp);
563 (*tmp)->flags.net_show_desktop = 0;
564 }
565 if (ws != w_global.workspace.current)
566 wWorkspaceChange(scr, ws);
567 wfree(scr->netdata->show_desktop);
568 scr->netdata->show_desktop = NULL;
569 updateShowDesktop(scr, False);
570 }
571 }
572
573 void wNETWMInitStuff(WScreen *scr)
574 {
575 NetData *data;
576 int i;
577
578 #ifdef DEBUG_WMSPEC
579 wmessage("wNETWMInitStuff");
580 #endif
581
582 #ifdef HAVE_XINTERNATOMS
583 {
584 Atom atoms[wlengthof(atomNames)];
585 char *names[wlengthof(atomNames)];
586
587 for (i = 0; i < wlengthof(atomNames); ++i)
588 names[i] = atomNames[i].name;
589
590 XInternAtoms(dpy, &names[0], wlengthof(atomNames), False, atoms);
591 for (i = 0; i < wlengthof(atomNames); ++i)
592 *atomNames[i].atom = atoms[i];
593
594 }
595 #else
596 for (i = 0; i < wlengthof(atomNames); i++)
597 *atomNames[i].atom = XInternAtom(dpy, atomNames[i].name, False);
598 #endif
599
600 data = wmalloc(sizeof(NetData));
601 data->scr = scr;
602 data->strut = NULL;
603 data->show_desktop = NULL;
604
605 scr->netdata = data;
606
607 setSupportedHints(scr);
608
609 WMAddNotificationObserver(observer, data, WMNManaged, NULL);
610 WMAddNotificationObserver(observer, data, WMNUnmanaged, NULL);
611 WMAddNotificationObserver(observer, data, WMNChangedWorkspace, NULL);
612 WMAddNotificationObserver(observer, data, WMNChangedState, NULL);
613 WMAddNotificationObserver(observer, data, WMNChangedFocus, NULL);
614 WMAddNotificationObserver(observer, data, WMNChangedStacking, NULL);
615 WMAddNotificationObserver(observer, data, WMNChangedName, NULL);
616
617 WMAddNotificationObserver(wsobserver, data, WMNWorkspaceCreated, NULL);
618 WMAddNotificationObserver(wsobserver, data, WMNWorkspaceDestroyed, NULL);
619 WMAddNotificationObserver(wsobserver, data, WMNWorkspaceChanged, NULL);
620 WMAddNotificationObserver(wsobserver, data, WMNWorkspaceNameChanged, NULL);
621
622 updateClientList(scr);
623 updateClientListStacking(scr, NULL);
624 updateWorkspaceCount(scr);
625 updateWorkspaceNames(scr);
626 updateShowDesktop(scr, False);
627
628 wScreenUpdateUsableArea(scr);
629 }
630
631 void wNETWMCleanup(WScreen *scr)
632 {
633 int i;
634
635 for (i = 0; i < wlengthof(atomNames); i++)
636 XDeleteProperty(dpy, scr->root_win, *atomNames[i].atom);
637 }
638
639 void wNETWMUpdateActions(WWindow *wwin, Bool del)
640 {
641 Atom action[10]; /* nr of actions atoms defined */
642 int i = 0;
643
644 if (del) {
645 XDeleteProperty(dpy, wwin->client_win, net_wm_allowed_actions);
646 return;
647 }
648
649 if (IS_MOVABLE(wwin))
650 action[i++] = net_wm_action_move;
651
652 if (IS_RESIZABLE(wwin))
653 action[i++] = net_wm_action_resize;
654
655 if (!WFLAGP(wwin, no_miniaturizable))
656 action[i++] = net_wm_action_minimize;
657
658 if (!WFLAGP(wwin, no_shadeable))
659 action[i++] = net_wm_action_shade;
660
661 /* if (!WFLAGP(wwin, no_stickable)) */
662 action[i++] = net_wm_action_stick;
663
664 /* if (!(WFLAGP(wwin, no_maximizeable) & MAX_HORIZONTAL)) */
665 if (IS_RESIZABLE(wwin))
666 action[i++] = net_wm_action_maximize_horz;
667
668 /* if (!(WFLAGP(wwin, no_maximizeable) & MAX_VERTICAL)) */
669 if (IS_RESIZABLE(wwin))
670 action[i++] = net_wm_action_maximize_vert;
671
672 /* if (!WFLAGP(wwin, no_fullscreen)) */
673 action[i++] = net_wm_action_fullscreen;
674
675 /* if (!WFLAGP(wwin, no_change_desktop)) */
676 action[i++] = net_wm_action_change_desktop;
677
678 if (!WFLAGP(wwin, no_closable))
679 action[i++] = net_wm_action_close;
680
681 XChangeProperty(dpy, wwin->client_win, net_wm_allowed_actions,
682 XA_ATOM, 32, PropModeReplace, (unsigned char *)action, i);
683 }
684
685 Bool wNETWMGetUsableArea(WScreen *scr, int head, WArea *area)
686 {
687 WReservedArea *cur;
688 WMRect rect;
689
690 if (!scr->netdata || !scr->netdata->strut)
691 return False;
692
693 area->x1 = area->y1 = area->x2 = area->y2 = 0;
694
695 for (cur = scr->netdata->strut; cur; cur = cur->next) {
696 WWindow *wwin = wWindowFor(cur->window);
697 if (wWindowTouchesHead(wwin, head)) {
698 if (cur->area.x1 > area->x1)
699 area->x1 = cur->area.x1;
700 if (cur->area.y1 > area->y1)
701 area->y1 = cur->area.y1;
702 if (cur->area.x2 > area->x2)
703 area->x2 = cur->area.x2;
704 if (cur->area.y2 > area->y2)
705 area->y2 = cur->area.y2;
706 }
707 }
708
709 if (area->x1 == 0 && area->x2 == 0 && area->y1 == 0 && area->y2 == 0)
710 return False;
711
712 rect = wGetRectForHead(scr, head);
713
714 area->x1 = rect.pos.x + area->x1;
715 area->x2 = rect.pos.x + rect.size.width - area->x2;
716 area->y1 = rect.pos.y + area->y1;
717 area->y2 = rect.pos.y + rect.size.height - area->y2;
718
719 return True;
720 }
721
722 static void updateClientList(WScreen *scr)
723 {
724 WWindow *wwin;
725 Window *windows;
726 int count;
727
728 windows = (Window *) wmalloc(sizeof(Window) * (scr->window_count + 1));
729
730 count = 0;
731 wwin = scr->focused_window;
732 while (wwin) {
733 windows[count++] = wwin->client_win;
734 wwin = wwin->prev;
735 }
736 XChangeProperty(dpy, scr->root_win, net_client_list, XA_WINDOW, 32,
737 PropModeReplace, (unsigned char *)windows, count);
738
739 wfree(windows);
740 XFlush(dpy);
741 }
742
743 static void updateClientListStacking(WScreen *scr, WWindow *wwin_excl)
744 {
745 WWindow *wwin;
746 Window *client_list, *client_list_reverse;
747 int client_count, i;
748 WCoreWindow *tmp;
749 WMBagIterator iter;
750
751 /* update client list */
752 i = scr->window_count + 1;
753 client_list = (Window *) wmalloc(sizeof(Window) * i);
754 client_list_reverse = (Window *) wmalloc(sizeof(Window) * i);
755
756 client_count = 0;
757 WM_ETARETI_BAG(scr->stacking_list, tmp, iter) {
758 while (tmp) {
759 wwin = wWindowFor(tmp->window);
760 /* wwin_excl is a window to exclude from the list
761 (e.g. it's now unmanaged) */
762 if (wwin && (wwin != wwin_excl))
763 client_list[client_count++] = wwin->client_win;
764 tmp = tmp->stacking->under;
765 }
766 }
767
768 for (i = 0; i < client_count; i++) {
769 Window w = client_list[client_count - i - 1];
770 client_list_reverse[i] = w;
771 }
772
773 XChangeProperty(dpy, scr->root_win, net_client_list_stacking, XA_WINDOW, 32,
774 PropModeReplace, (unsigned char *)client_list_reverse, client_count);
775
776 wfree(client_list);
777 wfree(client_list_reverse);
778
779 XFlush(dpy);
780 }
781
782 static void updateWorkspaceCount(WScreen *scr)
783 { /* changeable */
784 long count;
785
786 count = w_global.workspace.count;
787
788 XChangeProperty(dpy, scr->root_win, net_number_of_desktops, XA_CARDINAL,
789 32, PropModeReplace, (unsigned char *)&count, 1);
790 }
791
792 static void updateCurrentWorkspace(WScreen *scr)
793 { /* changeable */
794 long count;
795
796 count = w_global.workspace.current;
797
798 XChangeProperty(dpy, scr->root_win, net_current_desktop, XA_CARDINAL, 32,
799 PropModeReplace, (unsigned char *)&count, 1);
800 }
801
802 static void updateWorkspaceNames(WScreen *scr)
803 {
804 char buf[MAX_WORKSPACES * (MAX_WORKSPACENAME_WIDTH + 1)], *pos;
805 unsigned int i, len, curr_size;
806
807 pos = buf;
808 len = 0;
809 for (i = 0; i < w_global.workspace.count; i++) {
810 curr_size = strlen(w_global.workspace.array[i]->name);
811 strcpy(pos, w_global.workspace.array[i]->name);
812 pos += (curr_size + 1);
813 len += (curr_size + 1);
814 }
815
816 XChangeProperty(dpy, scr->root_win, net_desktop_names, utf8_string, 8,
817 PropModeReplace, (unsigned char *)buf, len);
818 }
819
820 static void updateFocusHint(WScreen *scr)
821 { /* changeable */
822 Window window;
823
824 if (!scr->focused_window || !scr->focused_window->flags.focused)
825 window = None;
826 else
827 window = scr->focused_window->client_win;
828
829 XChangeProperty(dpy, scr->root_win, net_active_window, XA_WINDOW, 32,
830 PropModeReplace, (unsigned char *)&window, 1);
831 }
832
833 static void updateWorkspaceHint(WWindow *wwin, Bool fake, Bool del)
834 {
835 long l;
836
837 if (del) {
838 XDeleteProperty(dpy, wwin->client_win, net_wm_desktop);
839 } else {
840 l = ((fake || IS_OMNIPRESENT(wwin)) ? -1 : wwin->frame->workspace);
841 XChangeProperty(dpy, wwin->client_win, net_wm_desktop, XA_CARDINAL,
842 32, PropModeReplace, (unsigned char *)&l, 1);
843 }
844 }
845
846 static void updateStateHint(WWindow *wwin, Bool changedWorkspace, Bool del)
847 { /* changeable */
848 if (del) {
849 XDeleteProperty(dpy, wwin->client_win, net_wm_state);
850 } else {
851 Atom state[15]; /* nr of defined state atoms */
852 int i = 0;
853
854 if (changedWorkspace || (wPreferences.sticky_icons && !IS_OMNIPRESENT(wwin)))
855 updateWorkspaceHint(wwin, False, False);
856
857 if (IS_OMNIPRESENT(wwin))
858 state[i++] = net_wm_state_sticky;
859 if (wwin->flags.shaded)
860 state[i++] = net_wm_state_shaded;
861 if (wwin->flags.maximized & MAX_HORIZONTAL)
862 state[i++] = net_wm_state_maximized_horz;
863 if (wwin->flags.maximized & MAX_VERTICAL)
864 state[i++] = net_wm_state_maximized_vert;
865 if (WFLAGP(wwin, skip_window_list))
866 state[i++] = net_wm_state_skip_taskbar;
867 if (wwin->flags.net_skip_pager)
868 state[i++] = net_wm_state_skip_pager;
869 if ((wwin->flags.hidden || wwin->flags.miniaturized) && !wwin->flags.net_show_desktop) {
870 state[i++] = net_wm_state_hidden;
871 state[i++] = net_wm_state_skip_pager;
872
873 if (wwin->flags.miniaturized && wPreferences.sticky_icons) {
874 if (!IS_OMNIPRESENT(wwin))
875 updateWorkspaceHint(wwin, True, False);
876 state[i++] = net_wm_state_sticky;
877 }
878 }
879 if (WFLAGP(wwin, sunken))
880 state[i++] = net_wm_state_below;
881 if (WFLAGP(wwin, floating))
882 state[i++] = net_wm_state_above;
883 if (wwin->flags.fullscreen)
884 state[i++] = net_wm_state_fullscreen;
885
886 XChangeProperty(dpy, wwin->client_win, net_wm_state, XA_ATOM, 32,
887 PropModeReplace, (unsigned char *)state, i);
888 }
889 }
890
891 static Bool updateStrut(WScreen *scr, Window w, Bool adding)
892 {
893 WReservedArea *area;
894 Bool hasState = False;
895
896 if (adding) {
897 Atom type_ret;
898 int fmt_ret;
899 unsigned long nitems_ret, bytes_after_ret;
900 long *data = NULL;
901
902 if ((XGetWindowProperty(dpy, w, net_wm_strut, 0, 4, False,
903 XA_CARDINAL, &type_ret, &fmt_ret, &nitems_ret,
904 &bytes_after_ret, (unsigned char **)&data) == Success && data) ||
905 ((XGetWindowProperty(dpy, w, net_wm_strut_partial, 0, 12, False,
906 XA_CARDINAL, &type_ret, &fmt_ret, &nitems_ret,
907 &bytes_after_ret, (unsigned char **)&data) == Success && data))) {
908
909 /* XXX: This is strictly incorrect in the case of net_wm_strut_partial...
910 * Discard the start and end properties from the partial strut and treat it as
911 * a (deprecated) strut.
912 * This means we are marking the whole width or height of the screen as
913 * reserved, which is not necessarily what the strut defines. However for the
914 * purposes of determining placement or maximization it's probably good enough.
915 */
916 area = (WReservedArea *) wmalloc(sizeof(WReservedArea));
917 area->area.x1 = data[0];
918 area->area.x2 = data[1];
919 area->area.y1 = data[2];
920 area->area.y2 = data[3];
921
922 area->window = w;
923
924 area->next = scr->netdata->strut;
925 scr->netdata->strut = area;
926
927 XFree(data);
928 hasState = True;
929 }
930 } else {
931 /* deleting */
932 area = scr->netdata->strut;
933
934 if (area) {
935 if (area->window == w) {
936 scr->netdata->strut = area->next;
937 wfree(area);
938 hasState = True;
939 } else {
940 while (area->next && area->next->window != w)
941 area = area->next;
942
943 if (area->next) {
944 WReservedArea *next;
945
946 next = area->next->next;
947 wfree(area->next);
948 area->next = next;
949
950 hasState = True;
951 }
952 }
953 }
954 }
955
956 return hasState;
957 }
958
959 static int getWindowLayer(WWindow *wwin)
960 {
961 int layer = WMNormalLevel;
962
963 if (wwin->type == net_wm_window_type_desktop) {
964 layer = WMDesktopLevel;
965 } else if (wwin->type == net_wm_window_type_dock) {
966 layer = WMDockLevel;
967 } else if (wwin->type == net_wm_window_type_toolbar) {
968 layer = WMMainMenuLevel;
969 } else if (wwin->type == net_wm_window_type_menu) {
970 layer = WMSubmenuLevel;
971 } else if (wwin->type == net_wm_window_type_utility) {
972 } else if (wwin->type == net_wm_window_type_splash) {
973 } else if (wwin->type == net_wm_window_type_dialog) {
974 if (wwin->transient_for) {
975 WWindow *parent = wWindowFor(wwin->transient_for);
976 if (parent && parent->flags.fullscreen)
977 layer = WMNormalLevel;
978 }
979 /* //layer = WMPopUpLevel; // this seems a bad idea -Dan */
980 } else if (wwin->type == net_wm_window_type_dropdown_menu) {
981 layer = WMSubmenuLevel;
982 } else if (wwin->type == net_wm_window_type_popup_menu) {
983 layer = WMSubmenuLevel;
984 } else if (wwin->type == net_wm_window_type_tooltip) {
985 } else if (wwin->type == net_wm_window_type_notification) {
986 layer = WMPopUpLevel;
987 } else if (wwin->type == net_wm_window_type_combo) {
988 layer = WMSubmenuLevel;
989 } else if (wwin->type == net_wm_window_type_dnd) {
990 } else if (wwin->type == net_wm_window_type_normal) {
991 }
992
993 if (wwin->client_flags.sunken && WMSunkenLevel < layer)
994 layer = WMSunkenLevel;
995 if (wwin->client_flags.floating && WMFloatingLevel > layer)
996 layer = WMFloatingLevel;
997
998 return layer;
999 }
1000
1001 static void doStateAtom(WWindow *wwin, Atom state, int set, Bool init)
1002 {
1003 if (state == net_wm_state_sticky) {
1004 if (set == _NET_WM_STATE_TOGGLE)
1005 set = !IS_OMNIPRESENT(wwin);
1006
1007 if (set != wwin->flags.omnipresent)
1008 wWindowSetOmnipresent(wwin, set);
1009
1010 } else if (state == net_wm_state_shaded) {
1011 if (set == _NET_WM_STATE_TOGGLE)
1012 set = !wwin->flags.shaded;
1013
1014 if (init) {
1015 wwin->flags.shaded = set;
1016 } else {
1017 if (set)
1018 wShadeWindow(wwin);
1019 else
1020 wUnshadeWindow(wwin);
1021 }
1022 } else if (state == net_wm_state_skip_taskbar) {
1023 if (set == _NET_WM_STATE_TOGGLE)
1024 set = !wwin->client_flags.skip_window_list;
1025
1026 wwin->client_flags.skip_window_list = set;
1027 } else if (state == net_wm_state_skip_pager) {
1028 if (set == _NET_WM_STATE_TOGGLE)
1029 set = !wwin->flags.net_skip_pager;
1030
1031 wwin->flags.net_skip_pager = set;
1032 } else if (state == net_wm_state_maximized_vert) {
1033 if (set == _NET_WM_STATE_TOGGLE)
1034 set = !(wwin->flags.maximized & MAX_VERTICAL);
1035
1036 if (init) {
1037 wwin->flags.maximized |= (set ? MAX_VERTICAL : 0);
1038 } else {
1039 if (set)
1040 wMaximizeWindow(wwin, wwin->flags.maximized | MAX_VERTICAL);
1041 else
1042 wMaximizeWindow(wwin, wwin->flags.maximized & ~MAX_VERTICAL);
1043 }
1044 } else if (state == net_wm_state_maximized_horz) {
1045 if (set == _NET_WM_STATE_TOGGLE)
1046 set = !(wwin->flags.maximized & MAX_HORIZONTAL);
1047
1048 if (init) {
1049 wwin->flags.maximized |= (set ? MAX_HORIZONTAL : 0);
1050 } else {
1051 if (set)
1052 wMaximizeWindow(wwin, wwin->flags.maximized | MAX_HORIZONTAL);
1053 else
1054 wMaximizeWindow(wwin, wwin->flags.maximized & ~MAX_HORIZONTAL);
1055 }
1056 } else if (state == net_wm_state_hidden) {
1057 if (set == _NET_WM_STATE_TOGGLE)
1058 set = !(wwin->flags.miniaturized);
1059
1060 if (init) {
1061 wwin->flags.miniaturized = set;
1062 } else {
1063 if (set)
1064 wIconifyWindow(wwin);
1065 else
1066 wDeiconifyWindow(wwin);
1067 }
1068 } else if (state == net_wm_state_fullscreen) {
1069 if (set == _NET_WM_STATE_TOGGLE)
1070 set = !(wwin->flags.fullscreen);
1071
1072 if (init) {
1073 wwin->flags.fullscreen = set;
1074 } else {
1075 if (set)
1076 wFullscreenWindow(wwin);
1077 else
1078 wUnfullscreenWindow(wwin);
1079 }
1080 } else if (state == net_wm_state_above) {
1081 if (set == _NET_WM_STATE_TOGGLE)
1082 set = !(wwin->client_flags.floating);
1083
1084 if (init) {
1085 wwin->client_flags.floating = set;
1086 } else {
1087 wwin->client_flags.floating = set;
1088 ChangeStackingLevel(wwin->frame->core, getWindowLayer(wwin));
1089 }
1090
1091 } else if (state == net_wm_state_below) {
1092 if (set == _NET_WM_STATE_TOGGLE)
1093 set = !(wwin->client_flags.sunken);
1094
1095 if (init) {
1096 wwin->client_flags.sunken = set;
1097 } else {
1098 wwin->client_flags.sunken = set;
1099 ChangeStackingLevel(wwin->frame->core, getWindowLayer(wwin));
1100 }
1101
1102 } else {
1103 #ifdef DEBUG_WMSPEC
1104 wmessage("doStateAtom unknown atom %s set %d\n", XGetAtomName(dpy, state), set);
1105 #endif
1106 }
1107 }
1108
1109 static void removeIcon(WWindow *wwin)
1110 {
1111 if (wwin->icon == NULL)
1112 return;
1113 if (wwin->flags.miniaturized && wwin->icon->mapped) {
1114 XUnmapWindow(dpy, wwin->icon->core->window);
1115 RemoveFromStackList(wwin->icon->core);
1116 wIconDestroy(wwin->icon);
1117 wwin->icon = NULL;
1118 }
1119 }
1120
1121 static Bool handleWindowType(WWindow *wwin, Atom type, int *layer)
1122 {
1123 Bool ret = True;
1124
1125 if (type == net_wm_window_type_desktop) {
1126 wwin->client_flags.no_titlebar = 1;
1127 wwin->client_flags.no_resizable = 1;
1128 wwin->client_flags.no_miniaturizable = 1;
1129 wwin->client_flags.no_border = 1;
1130 wwin->client_flags.no_resizebar = 1;
1131 wwin->client_flags.no_shadeable = 1;
1132 wwin->client_flags.no_movable = 1;
1133 wwin->client_flags.omnipresent = 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 wwin->frame_x = 0;
1140 wwin->frame_y = 0;
1141 } else if (type == net_wm_window_type_dock) {
1142 wwin->client_flags.no_titlebar = 1;
1143 wwin->client_flags.no_resizable = 1;
1144 wwin->client_flags.no_miniaturizable = 1;
1145 wwin->client_flags.no_border = 1; /* XXX: really not a single decoration. */
1146 wwin->client_flags.no_resizebar = 1;
1147 wwin->client_flags.no_shadeable = 1;
1148 wwin->client_flags.no_movable = 1;
1149 wwin->client_flags.omnipresent = 1;
1150 wwin->client_flags.skip_window_list = 1;
1151 wwin->client_flags.skip_switchpanel = 1;
1152 wwin->client_flags.dont_move_off = 1;
1153 wwin->flags.net_skip_pager = 1;
1154 } else if (type == net_wm_window_type_toolbar) {
1155 wwin->client_flags.no_titlebar = 1;
1156 wwin->client_flags.no_resizable = 1;
1157 wwin->client_flags.no_miniaturizable = 1;
1158 wwin->client_flags.no_resizebar = 1;
1159 wwin->client_flags.no_shadeable = 1;
1160 wwin->client_flags.skip_window_list = 1;
1161 wwin->client_flags.skip_switchpanel = 1;
1162 wwin->client_flags.dont_move_off = 1;
1163 wwin->client_flags.no_appicon = 1;
1164 } else if (type == net_wm_window_type_menu ||
1165 type == net_wm_window_type_dropdown_menu ||
1166 type == net_wm_window_type_popup_menu ||
1167 type == net_wm_window_type_combo) {
1168 wwin->client_flags.no_titlebar = 1;
1169 wwin->client_flags.no_resizable = 1;
1170 wwin->client_flags.no_miniaturizable = 1;
1171 wwin->client_flags.no_resizebar = 1;
1172 wwin->client_flags.no_shadeable = 1;
1173 wwin->client_flags.skip_window_list = 1;
1174 wwin->client_flags.skip_switchpanel = 1;
1175 wwin->client_flags.dont_move_off = 1;
1176 wwin->client_flags.no_appicon = 1;
1177 } else if (type == net_wm_window_type_utility) {
1178 wwin->client_flags.no_appicon = 1;
1179 } else if (type == net_wm_window_type_splash) {
1180 wwin->client_flags.no_titlebar = 1;
1181 wwin->client_flags.no_resizable = 1;
1182 wwin->client_flags.no_miniaturizable = 1;
1183 wwin->client_flags.no_resizebar = 1;
1184 wwin->client_flags.no_shadeable = 1;
1185 wwin->client_flags.no_movable = 1;
1186 wwin->client_flags.skip_window_list = 1;
1187 wwin->client_flags.skip_switchpanel = 1;
1188 wwin->client_flags.dont_move_off = 1;
1189 wwin->client_flags.no_appicon = 1;
1190 wwin->flags.net_skip_pager = 1;
1191 } else if (type == net_wm_window_type_dialog) {
1192 /* These also seem a bad idea in our context -Dan
1193 // wwin->client_flags.skip_window_list = 1;
1194 // wwin->client_flags.no_appicon = 1;
1195 */
1196 } else if (wwin->type == net_wm_window_type_tooltip) {
1197 wwin->client_flags.no_titlebar = 1;
1198 wwin->client_flags.no_resizable = 1;
1199 wwin->client_flags.no_miniaturizable = 1;
1200 wwin->client_flags.no_resizebar = 1;
1201 wwin->client_flags.no_shadeable = 1;
1202 wwin->client_flags.no_movable = 1;
1203 wwin->client_flags.skip_window_list = 1;
1204 wwin->client_flags.skip_switchpanel = 1;
1205 wwin->client_flags.dont_move_off = 1;
1206 wwin->client_flags.no_appicon = 1;
1207 wwin->client_flags.no_focusable = 1;
1208 wwin->flags.net_skip_pager = 1;
1209 } else if (wwin->type == net_wm_window_type_notification) {
1210 wwin->client_flags.no_titlebar = 1;
1211 wwin->client_flags.no_resizable = 1;
1212 wwin->client_flags.no_miniaturizable = 1;
1213 wwin->client_flags.no_border = 1;
1214 wwin->client_flags.no_resizebar = 1;
1215 wwin->client_flags.no_shadeable = 1;
1216 wwin->client_flags.no_movable = 1;
1217 wwin->client_flags.omnipresent = 1;
1218 wwin->client_flags.skip_window_list = 1;
1219 wwin->client_flags.skip_switchpanel = 1;
1220 wwin->client_flags.dont_move_off = 1;
1221 wwin->client_flags.no_hide_others= 1;
1222 wwin->client_flags.no_appicon = 1;
1223 wwin->client_flags.no_focusable = 1;
1224 wwin->flags.net_skip_pager = 1;
1225 } else if (wwin->type == net_wm_window_type_dnd) {
1226 wwin->client_flags.no_titlebar = 1;
1227 wwin->client_flags.no_resizable = 1;
1228 wwin->client_flags.no_miniaturizable = 1;
1229 wwin->client_flags.no_border = 1;
1230 wwin->client_flags.no_resizebar = 1;
1231 wwin->client_flags.no_shadeable = 1;
1232 wwin->client_flags.no_movable = 1;
1233 wwin->client_flags.skip_window_list = 1;
1234 wwin->client_flags.skip_switchpanel = 1;
1235 wwin->client_flags.dont_move_off = 1;
1236 wwin->client_flags.no_appicon = 1;
1237 wwin->flags.net_skip_pager = 1;
1238 } else if (type == net_wm_window_type_normal) {
1239 } else {
1240 ret = False;
1241 }
1242
1243 wwin->type = type;
1244 *layer = getWindowLayer(wwin);
1245
1246 return ret;
1247 }
1248
1249 void wNETWMPositionSplash(WWindow *wwin, int *x, int *y, int width, int height)
1250 {
1251 if (wwin->type == net_wm_window_type_splash) {
1252 WScreen *scr = wwin->screen_ptr;
1253 WMRect rect = wGetRectForHead(scr, wGetHeadForPointerLocation(scr));
1254 *x = rect.pos.x + (rect.size.width - width) / 2;
1255 *y = rect.pos.y + (rect.size.height - height) / 2;
1256 }
1257 }
1258
1259 static void updateWindowType(WWindow *wwin)
1260 {
1261 Atom type_ret;
1262 int fmt_ret, layer;
1263 unsigned long nitems_ret, bytes_after_ret;
1264 long *data = NULL;
1265
1266 if (XGetWindowProperty(dpy, wwin->client_win, net_wm_window_type, 0, 1,
1267 False, XA_ATOM, &type_ret, &fmt_ret, &nitems_ret,
1268 &bytes_after_ret, (unsigned char **)&data) == Success && data) {
1269
1270 int i;
1271 Atom *type = (Atom *) data;
1272 for (i = 0; i < nitems_ret; ++i) {
1273 if (handleWindowType(wwin, type[i], &layer))
1274 break;
1275 }
1276 XFree(data);
1277 }
1278
1279 if (wwin->frame != NULL) {
1280 ChangeStackingLevel(wwin->frame->core, layer);
1281 wwin->frame->flags.need_texture_change = 1;
1282 wWindowConfigureBorders(wwin);
1283 wFrameWindowPaint(wwin->frame);
1284 wNETWMUpdateActions(wwin, False);
1285 }
1286 }
1287
1288 void wNETWMCheckClientHints(WWindow *wwin, int *layer, int *workspace)
1289 {
1290 Atom type_ret;
1291 int fmt_ret, i;
1292 unsigned long nitems_ret, bytes_after_ret;
1293 long *data = NULL;
1294
1295 if (XGetWindowProperty(dpy, wwin->client_win, net_wm_desktop, 0, 1, False,
1296 XA_CARDINAL, &type_ret, &fmt_ret, &nitems_ret,
1297 &bytes_after_ret, (unsigned char **)&data) == Success && data) {
1298
1299 long desktop = *data;
1300 XFree(data);
1301
1302 if (desktop == -1)
1303 wwin->client_flags.omnipresent = 1;
1304 else
1305 *workspace = desktop;
1306 }
1307
1308 if (XGetWindowProperty(dpy, wwin->client_win, net_wm_state, 0, 1, False,
1309 XA_ATOM, &type_ret, &fmt_ret, &nitems_ret,
1310 &bytes_after_ret, (unsigned char **)&data) == Success && data) {
1311
1312 Atom *state = (Atom *) data;
1313 for (i = 0; i < nitems_ret; ++i)
1314 doStateAtom(wwin, state[i], _NET_WM_STATE_ADD, True);
1315
1316 XFree(data);
1317 }
1318
1319 if (XGetWindowProperty(dpy, wwin->client_win, net_wm_window_type, 0, 1, False,
1320 XA_ATOM, &type_ret, &fmt_ret, &nitems_ret,
1321 &bytes_after_ret, (unsigned char **)&data) == Success && data) {
1322
1323 Atom *type = (Atom *) data;
1324 for (i = 0; i < nitems_ret; ++i) {
1325 if (handleWindowType(wwin, type[i], layer))
1326 break;
1327 }
1328 XFree(data);
1329 }
1330
1331 wNETWMUpdateActions(wwin, False);
1332 updateStrut(wwin->screen_ptr, wwin->client_win, False);
1333 updateStrut(wwin->screen_ptr, wwin->client_win, True);
1334
1335 wScreenUpdateUsableArea(wwin->screen_ptr);
1336 }
1337
1338 static Bool updateNetIconInfo(WWindow *wwin)
1339 {
1340 Atom type_ret;
1341 int fmt_ret;
1342 unsigned long nitems_ret, bytes_after_ret;
1343 long *data = NULL;
1344 Bool hasState = False;
1345 Bool old_state = wwin->flags.net_handle_icon;
1346
1347 if (XGetWindowProperty(dpy, wwin->client_win, net_wm_handled_icons, 0, 1, False,
1348 XA_CARDINAL, &type_ret, &fmt_ret, &nitems_ret,
1349 &bytes_after_ret, (unsigned char **)&data) == Success && data) {
1350 long handled = *data;
1351 wwin->flags.net_handle_icon = (handled != 0);
1352 XFree(data);
1353 hasState = True;
1354
1355 } else {
1356 wwin->flags.net_handle_icon = False;
1357 }
1358
1359 if (XGetWindowProperty(dpy, wwin->client_win, net_wm_icon_geometry, 0, 4, False,
1360 XA_CARDINAL, &type_ret, &fmt_ret, &nitems_ret,
1361 &bytes_after_ret, (unsigned char **)&data) == Success && data) {
1362
1363 #ifdef NETWM_PROPER
1364 if (wwin->flags.net_handle_icon)
1365 #else
1366 wwin->flags.net_handle_icon = True;
1367 #endif
1368 {
1369 wwin->icon_x = data[0];
1370 wwin->icon_y = data[1];
1371 wwin->icon_w = data[2];
1372 wwin->icon_h = data[3];
1373 }
1374
1375 XFree(data);
1376 hasState = True;
1377
1378 } else {
1379 wwin->flags.net_handle_icon = False;
1380 }
1381
1382 if (wwin->flags.miniaturized && old_state != wwin->flags.net_handle_icon) {
1383 if (wwin->flags.net_handle_icon) {
1384 removeIcon(wwin);
1385 } else {
1386 wwin->flags.miniaturized = False;
1387 wwin->flags.skip_next_animation = True;
1388 wIconifyWindow(wwin);
1389 }
1390 }
1391
1392 return hasState;
1393 }
1394
1395 void wNETWMCheckInitialClientState(WWindow *wwin)
1396 {
1397 #ifdef DEBUG_WMSPEC
1398 wmessage("wNETWMCheckInitialClientState");
1399 #endif
1400
1401 wNETWMShowingDesktop(wwin->screen_ptr, False);
1402
1403 updateWindowType(wwin);
1404 updateNetIconInfo(wwin);
1405 updateIconImage(wwin);
1406 }
1407
1408 void wNETWMCheckInitialFrameState(WWindow *wwin)
1409 {
1410 #ifdef DEBUG_WMSPEC
1411 wmessage("wNETWMCheckInitialFrameState");
1412 #endif
1413
1414 updateWindowOpacity(wwin);
1415 }
1416
1417 static void handleDesktopNames(WScreen *scr)
1418 {
1419 unsigned long nitems_ret, bytes_after_ret;
1420 char *data, *names[32];
1421 int fmt_ret, i, n;
1422 Atom type_ret;
1423
1424 if (XGetWindowProperty(dpy, scr->root_win, net_desktop_names, 0, 1, False,
1425 utf8_string, &type_ret, &fmt_ret, &nitems_ret,
1426 &bytes_after_ret, (unsigned char **)&data) != Success)
1427 return;
1428
1429 if (data == NULL)
1430 return;
1431
1432 if (type_ret != utf8_string || fmt_ret != 8)
1433 return;
1434
1435 n = 0;
1436 names[n] = data;
1437 for (i = 0; i < nitems_ret; i++) {
1438 if (data[i] == 0) {
1439 n++;
1440 names[n] = &data[i];
1441 } else if (*names[n] == 0) {
1442 names[n] = &data[i];
1443 wWorkspaceRename(scr, n, names[n]);
1444 }
1445 }
1446 }
1447
1448 Bool wNETWMProcessClientMessage(XClientMessageEvent *event)
1449 {
1450 WScreen *scr;
1451 WWindow *wwin;
1452 Bool done = True;
1453
1454 #ifdef DEBUG_WMSPEC
1455 wmessage("processClientMessage type %s\n", XGetAtomName(dpy, event->message_type));
1456 #endif
1457
1458 scr = wScreenForWindow(event->window);
1459 if (scr) {
1460 /* generic client messages */
1461 if (event->message_type == net_current_desktop) {
1462 wWorkspaceChange(scr, event->data.l[0]);
1463 } else if (event->message_type == net_number_of_desktops) {
1464 long value;
1465
1466 value = event->data.l[0];
1467 if (value > w_global.workspace.count) {
1468 wWorkspaceMake(scr, value - w_global.workspace.count);
1469 } else if (value < w_global.workspace.count) {
1470 int i;
1471 Bool rebuild = False;
1472
1473 for (i = w_global.workspace.count - 1; i >= value; i--) {
1474 if (!wWorkspaceDelete(scr, i)) {
1475 rebuild = True;
1476 break;
1477 }
1478 }
1479
1480 if (rebuild)
1481 updateWorkspaceCount(scr);
1482 }
1483 } else if (event->message_type == net_showing_desktop) {
1484 wNETWMShowingDesktop(scr, event->data.l[0]);
1485 } else if (event->message_type == net_desktop_names) {
1486 handleDesktopNames(scr);
1487 } else {
1488 done = False;
1489 }
1490
1491 if (done)
1492 return True;
1493 }
1494
1495 /* window specific client messages */
1496
1497 wwin = wWindowFor(event->window);
1498 if (!wwin)
1499 return False;
1500
1501 if (event->message_type == net_active_window) {
1502 /*
1503 * Satisfy a client's focus request only if
1504 * - request comes from a pager, or
1505 * - it's explicitly allowed in Advanced Options, or
1506 * - giving the client the focus does not cause a change in
1507 * the active workspace (XXX: or the active head if Xinerama)
1508 */
1509 if (wwin->frame->workspace == w_global.workspace.current /* No workspace change */
1510 || event->data.l[0] == 2 /* Requested by pager */
1511 || WFLAGP(wwin, focus_across_wksp) /* Explicitly allowed */) {
1512 wNETWMShowingDesktop(scr, False);
1513 wMakeWindowVisible(wwin);
1514 }
1515 } else if (event->message_type == net_close_window) {
1516 if (!WFLAGP(wwin, no_closable)) {
1517 if (wwin->protocols.DELETE_WINDOW)
1518 wClientSendProtocol(wwin, w_global.atom.wm.delete_window,
1519 w_global.timestamp.last_event);
1520 }
1521 } else if (event->message_type == net_wm_state) {
1522 int maximized = wwin->flags.maximized;
1523 long set = event->data.l[0];
1524
1525 #ifdef DEBUG_WMSPEC
1526 wmessage("net_wm_state set %ld a1 %s a2 %s\n", set,
1527 XGetAtomName(dpy, event->data.l[1]), XGetAtomName(dpy, event->data.l[2]));
1528 #endif
1529
1530 doStateAtom(wwin, (Atom) event->data.l[1], set, False);
1531 if (event->data.l[2])
1532 doStateAtom(wwin, (Atom) event->data.l[2], set, False);
1533
1534 if (wwin->flags.maximized != maximized) {
1535 if (!wwin->flags.maximized) {
1536 wwin->flags.maximized = maximized;
1537 wUnmaximizeWindow(wwin);
1538 } else {
1539 wMaximizeWindow(wwin, wwin->flags.maximized);
1540 }
1541 }
1542 updateStateHint(wwin, False, False);
1543 } else if (event->message_type == net_wm_handled_icons || event->message_type == net_wm_icon_geometry) {
1544 updateNetIconInfo(wwin);
1545 } else if (event->message_type == net_wm_desktop) {
1546 long desktop = event->data.l[0];
1547 if (desktop == -1) {
1548 wWindowSetOmnipresent(wwin, True);
1549 } else {
1550 if (IS_OMNIPRESENT(wwin))
1551 wWindowSetOmnipresent(wwin, False);
1552 wWindowChangeWorkspace(wwin, desktop);
1553 }
1554 } else {
1555 done = False;
1556 }
1557
1558 return done;
1559 }
1560
1561 void wNETWMCheckClientHintChange(WWindow *wwin, XPropertyEvent *event)
1562 {
1563 #ifdef DEBUG_WMSPEC
1564 wmessage("clientHintChange type %s\n", XGetAtomName(dpy, event->atom));
1565 #endif
1566
1567 if (event->atom == net_wm_strut || event->atom == net_wm_strut_partial) {
1568 updateStrut(wwin->screen_ptr, wwin->client_win, False);
1569 updateStrut(wwin->screen_ptr, wwin->client_win, True);
1570 wScreenUpdateUsableArea(wwin->screen_ptr);
1571 } else if (event->atom == net_wm_handled_icons || event->atom == net_wm_icon_geometry) {
1572 updateNetIconInfo(wwin);
1573 } else if (event->atom == net_wm_window_type) {
1574 updateWindowType(wwin);
1575 } else if (event->atom == net_wm_name) {
1576 char *name = wNETWMGetWindowName(wwin->client_win);
1577 wWindowUpdateName(wwin, name);
1578 if (name)
1579 wfree(name);
1580 } else if (event->atom == net_wm_icon_name) {
1581 if (wwin->icon) {
1582 wIconChangeTitle(wwin->icon, wwin);
1583 wIconPaint(wwin->icon);
1584 }
1585 } else if (event->atom == net_wm_icon) {
1586 updateIconImage(wwin);
1587 } else if (event->atom == net_wm_window_opacity) {
1588 updateWindowOpacity(wwin);
1589 }
1590 }
1591
1592 int wNETWMGetPidForWindow(Window window)
1593 {
1594 Atom type_ret;
1595 int fmt_ret;
1596 unsigned long nitems_ret, bytes_after_ret;
1597 long *data = NULL;
1598 int pid;
1599
1600 if (XGetWindowProperty(dpy, window, net_wm_pid, 0, 1, False,
1601 XA_CARDINAL, &type_ret, &fmt_ret, &nitems_ret,
1602 &bytes_after_ret, (unsigned char **)&data) == Success && data) {
1603 pid = *data;
1604 XFree(data);
1605 } else {
1606 pid = 0;
1607 }
1608
1609 return pid;
1610 }
1611
1612 char *wNETWMGetWindowName(Window window)
1613 {
1614 char *name;
1615 char *ret;
1616 int size;
1617
1618 name = (char *)PropGetCheckProperty(window, net_wm_name, utf8_string, 0, 0, &size);
1619 if (name) {
1620 ret = wstrndup(name, size);
1621 XFree(name);
1622 } else {
1623 ret = NULL;
1624 }
1625
1626 return ret;
1627 }
1628
1629 char *wNETWMGetIconName(Window window)
1630 {
1631 char *name;
1632 char *ret;
1633 int size;
1634
1635 name = (char *)PropGetCheckProperty(window, net_wm_icon_name, utf8_string, 0, 0, &size);
1636 if (name) {
1637 ret = wstrndup(name, size);
1638 XFree(name);
1639 } else {
1640 ret = NULL;
1641 }
1642
1643 return ret;
1644 }
1645
1646 static void observer(void *self, WMNotification *notif)
1647 {
1648 WWindow *wwin = (WWindow *) WMGetNotificationObject(notif);
1649 const char *name = WMGetNotificationName(notif);
1650 void *data = WMGetNotificationClientData(notif);
1651 NetData *ndata = (NetData *) self;
1652
1653 if (strcmp(name, WMNManaged) == 0 && wwin) {
1654 updateClientList(wwin->screen_ptr);
1655 updateClientListStacking(wwin->screen_ptr, NULL);
1656 updateStateHint(wwin, True, False);
1657
1658 updateStrut(wwin->screen_ptr, wwin->client_win, False);
1659 updateStrut(wwin->screen_ptr, wwin->client_win, True);
1660 wScreenUpdateUsableArea(wwin->screen_ptr);
1661 } else if (strcmp(name, WMNUnmanaged) == 0 && wwin) {
1662 updateClientList(wwin->screen_ptr);
1663 updateClientListStacking(wwin->screen_ptr, wwin);
1664 updateWorkspaceHint(wwin, False, True);
1665 updateStateHint(wwin, False, True);
1666 wNETWMUpdateActions(wwin, True);
1667
1668 updateStrut(wwin->screen_ptr, wwin->client_win, False);
1669 wScreenUpdateUsableArea(wwin->screen_ptr);
1670 } else if (strcmp(name, WMNResetStacking) == 0 && wwin) {
1671 updateClientListStacking(wwin->screen_ptr, NULL);
1672 updateStateHint(wwin, False, False);
1673 } else if (strcmp(name, WMNChangedStacking) == 0 && wwin) {
1674 updateClientListStacking(wwin->screen_ptr, NULL);
1675 updateStateHint(wwin, False, False);
1676 } else if (strcmp(name, WMNChangedFocus) == 0) {
1677 updateFocusHint(ndata->scr);
1678 } else if (strcmp(name, WMNChangedWorkspace) == 0 && wwin) {
1679 updateWorkspaceHint(wwin, False, False);
1680 updateStateHint(wwin, True, False);
1681 } else if (strcmp(name, WMNChangedState) == 0 && wwin) {
1682 updateStateHint(wwin, !strcmp(data, "omnipresent"), False);
1683 }
1684 }
1685
1686 static void wsobserver(void *self, WMNotification *notif)
1687 {
1688 WScreen *scr = (WScreen *) WMGetNotificationObject(notif);
1689 const char *name = WMGetNotificationName(notif);
1690
1691 /* Parameter not used, but tell the compiler that it is ok */
1692 (void) self;
1693
1694 if (strcmp(name, WMNWorkspaceCreated) == 0) {
1695 updateWorkspaceCount(scr);
1696 updateWorkspaceNames(scr);
1697 } else if (strcmp(name, WMNWorkspaceDestroyed) == 0) {
1698 updateWorkspaceCount(scr);
1699 updateWorkspaceNames(scr);
1700 } else if (strcmp(name, WMNWorkspaceChanged) == 0) {
1701 updateCurrentWorkspace(scr);
1702 } else if (strcmp(name, WMNWorkspaceNameChanged) == 0) {
1703 updateWorkspaceNames(scr);
1704 }
1705 }
1706
1707 void wNETFrameExtents(WWindow *wwin)
1708 {
1709 long extents[4] = { 0, 0, 0, 0 };
1710
1711 /* The extents array describes dimensions which are not
1712 * part of the client window. In our case that means
1713 * widths of the border and heights of the titlebar and resizebar.
1714 *
1715 * Index 0 = left
1716 * 1 = right
1717 * 2 = top
1718 * 3 = bottom
1719 */
1720 if (wwin->frame->titlebar)
1721 extents[2] = wwin->frame->titlebar->height;
1722 if (wwin->frame->resizebar)
1723 extents[3] = wwin->frame->resizebar->height;
1724 if (HAS_BORDER(wwin)) {
1725 extents[0] += wwin->screen_ptr->frame_border_width;
1726 extents[1] += wwin->screen_ptr->frame_border_width;
1727 extents[2] += wwin->screen_ptr->frame_border_width;
1728 extents[3] += wwin->screen_ptr->frame_border_width;
1729 }
1730
1731 XChangeProperty(dpy, wwin->client_win, net_frame_extents, XA_CARDINAL, 32, PropModeReplace, (unsigned char *) extents, 4);
1732 }
1733
1734 void wNETCleanupFrameExtents(WWindow *wwin)
1735 {
1736 XDeleteProperty(dpy, wwin->client_win, net_frame_extents);
1737 }
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