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 <string.h>
36
37 #include <WINGs/WUtil.h>
38 #include "WindowMaker.h"
39 #include "window.h"
40 #include "screen.h"
41 #include "workspace.h"
42 #include "framewin.h"
43 #include "actions.h"
44 #include "client.h"
45 #include "appicon.h"
46 #include "wmspec.h"
47 #include "icon.h"
48 #include "stacking.h"
49 #include "xinerama.h"
50 #include "properties.h"
51
52
53 /* Root Window Properties */
54 static Atom net_supported;
55 static Atom net_client_list;
56 static Atom net_client_list_stacking;
57 static Atom net_number_of_desktops;
58 static Atom net_desktop_geometry;
59 static Atom net_desktop_viewport;
60 static Atom net_current_desktop;
61 static Atom net_desktop_names;
62 static Atom net_active_window;
63 static Atom net_workarea;
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;
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_WORKAREA", &net_workarea},
149 {"_NET_SUPPORTING_WM_CHECK", &net_supporting_wm_check},
150 {"_NET_VIRTUAL_ROOTS", &net_virtual_roots},
151 {"_NET_DESKTOP_LAYOUT", &net_desktop_layout},
152 {"_NET_SHOWING_DESKTOP", &net_showing_desktop},
153
154 {"_NET_CLOSE_WINDOW", &net_close_window},
155 {"_NET_MOVERESIZE_WINDOW", &net_moveresize_window},
156 {"_NET_WM_MOVERESIZE", &net_wm_moveresize},
157
158 {"_NET_WM_NAME", &net_wm_name},
159 {"_NET_WM_VISIBLE_NAME", &net_wm_visible_name},
160 {"_NET_WM_ICON_NAME", &net_wm_icon_name},
161 {"_NET_WM_VISIBLE_ICON_NAME", &net_wm_visible_icon_name},
162 {"_NET_WM_DESKTOP", &net_wm_desktop},
163 {"_NET_WM_WINDOW_TYPE", &net_wm_window_type},
164 {"_NET_WM_WINDOW_TYPE_DESKTOP", &net_wm_window_type_desktop},
165 {"_NET_WM_WINDOW_TYPE_DOCK", &net_wm_window_type_dock},
166 {"_NET_WM_WINDOW_TYPE_TOOLBAR", &net_wm_window_type_toolbar},
167 {"_NET_WM_WINDOW_TYPE_MENU", &net_wm_window_type_menu},
168 {"_NET_WM_WINDOW_TYPE_UTILITY", &net_wm_window_type_utility},
169 {"_NET_WM_WINDOW_TYPE_SPLASH", &net_wm_window_type_splash},
170 {"_NET_WM_WINDOW_TYPE_DIALOG", &net_wm_window_type_dialog},
171 {"_NET_WM_WINDOW_TYPE_DROPDOWN_MENU", &net_wm_window_type_dropdown_menu},
172 {"_NET_WM_WINDOW_TYPE_POPUP_MENU", &net_wm_window_type_popup_menu},
173 {"_NET_WM_WINDOW_TYPE_TOOLTIP", &net_wm_window_type_tooltip},
174 {"_NET_WM_WINDOW_TYPE_NOTIFICATION", &net_wm_window_type_notification},
175 {"_NET_WM_WINDOW_TYPE_COMBO", &net_wm_window_type_combo},
176 {"_NET_WM_WINDOW_TYPE_DND", &net_wm_window_type_dnd},
177 {"_NET_WM_WINDOW_TYPE_NORMAL", &net_wm_window_type_normal},
178 {"_NET_WM_STATE", &net_wm_state},
179 {"_NET_WM_STATE_MODAL", &net_wm_state_modal},
180 {"_NET_WM_STATE_STICKY", &net_wm_state_sticky},
181 {"_NET_WM_STATE_MAXIMIZED_VERT", &net_wm_state_maximized_vert},
182 {"_NET_WM_STATE_MAXIMIZED_HORZ", &net_wm_state_maximized_horz},
183 {"_NET_WM_STATE_SHADED", &net_wm_state_shaded},
184 {"_NET_WM_STATE_SKIP_TASKBAR", &net_wm_state_skip_taskbar},
185 {"_NET_WM_STATE_SKIP_PAGER", &net_wm_state_skip_pager},
186 {"_NET_WM_STATE_HIDDEN", &net_wm_state_hidden},
187 {"_NET_WM_STATE_FULLSCREEN", &net_wm_state_fullscreen},
188 {"_NET_WM_STATE_ABOVE", &net_wm_state_above},
189 {"_NET_WM_STATE_BELOW", &net_wm_state_below},
190 {"_NET_WM_ALLOWED_ACTIONS", &net_wm_allowed_actions},
191 {"_NET_WM_ACTION_MOVE", &net_wm_action_move},
192 {"_NET_WM_ACTION_RESIZE", &net_wm_action_resize},
193 {"_NET_WM_ACTION_MINIMIZE", &net_wm_action_minimize},
194 {"_NET_WM_ACTION_SHADE", &net_wm_action_shade},
195 {"_NET_WM_ACTION_STICK", &net_wm_action_stick},
196 {"_NET_WM_ACTION_MAXIMIZE_HORZ", &net_wm_action_maximize_horz},
197 {"_NET_WM_ACTION_MAXIMIZE_VERT", &net_wm_action_maximize_vert},
198 {"_NET_WM_ACTION_FULLSCREEN", &net_wm_action_fullscreen},
199 {"_NET_WM_ACTION_CHANGE_DESKTOP", &net_wm_action_change_desktop},
200 {"_NET_WM_ACTION_CLOSE", &net_wm_action_close},
201 {"_NET_WM_STRUT", &net_wm_strut},
202 {"_NET_WM_STRUT_PARTIAL", &net_wm_strut_partial},
203 {"_NET_WM_ICON_GEOMETRY", &net_wm_icon_geometry},
204 {"_NET_WM_ICON", &net_wm_icon},
205 {"_NET_WM_PID", &net_wm_pid},
206 {"_NET_WM_HANDLED_ICONS", &net_wm_handled_icons},
207 {"_NET_WM_WINDOW_OPACITY", &net_wm_window_opacity},
208
209 {"_NET_FRAME_EXTENTS", &net_frame_extents},
210
211 {"_NET_WM_PING", &net_wm_ping},
212
213 {"UTF8_STRING", &utf8_string},
214 };
215
216 #define _NET_WM_STATE_ADD 1
217 #define _NET_WM_STATE_TOGGLE 2
218
219 #if 0
220 /*
221 * These constant provide information on the kind of window move/resize when
222 * it is initiated by the application instead of by WindowMaker. They are
223 * parameter for the client message _NET_WM_MOVERESIZE, as defined by the
224 * FreeDesktop wm-spec standard:
225 * http://standards.freedesktop.org/wm-spec/1.5/ar01s04.html
226 *
227 * Today, WindowMaker does not support this at all (the corresponding Atom
228 * is not added to the list in setSupportedHints), probably because there is
229 * nothing it needs to do about it, the application is assumed to know what
230 * it is doing, and WindowMaker won't get in the way.
231 *
232 * The definition of the constants (taken from the standard) are disabled to
233 * avoid a spurious warning (-Wunused-macros).
234 */
235 #define _NET_WM_MOVERESIZE_SIZE_TOPLEFT 0
236 #define _NET_WM_MOVERESIZE_SIZE_TOP 1
237 #define _NET_WM_MOVERESIZE_SIZE_TOPRIGHT 2
238 #define _NET_WM_MOVERESIZE_SIZE_RIGHT 3
239 #define _NET_WM_MOVERESIZE_SIZE_BOTTOMRIGHT 4
240 #define _NET_WM_MOVERESIZE_SIZE_BOTTOM 5
241 #define _NET_WM_MOVERESIZE_SIZE_BOTTOMLEFT 6
242 #define _NET_WM_MOVERESIZE_SIZE_LEFT 7
243 #define _NET_WM_MOVERESIZE_MOVE 8 /* movement only */
244 #define _NET_WM_MOVERESIZE_SIZE_KEYBOARD 9 /* size via keyboard */
245 #define _NET_WM_MOVERESIZE_MOVE_KEYBOARD 10 /* move via keyboard */
246 #endif
247
248 static void observer(void *self, WMNotification *notif);
249 static void wsobserver(void *self, WMNotification *notif);
250
251 static void updateClientList(WScreen *scr);
252 static void updateClientListStacking(WScreen *scr, WWindow *);
253
254 static void updateWorkspaceNames(WScreen *scr);
255 static void updateCurrentWorkspace(WScreen *scr);
256 static void updateWorkspaceCount(WScreen *scr);
257 static void wNETWMShowingDesktop(WScreen *scr, Bool show);
258
259 typedef struct NetData {
260 WScreen *scr;
261 WReservedArea *strut;
262 WWindow **show_desktop;
263 } NetData;
264
setSupportedHints(WScreen * scr)265 static void setSupportedHints(WScreen *scr)
266 {
267 Atom atom[wlengthof(atomNames)];
268 int i = 0;
269
270 /* set supported hints list */
271 /* XXX: extend this !!! */
272
273 atom[i++] = net_client_list;
274 atom[i++] = net_client_list_stacking;
275 atom[i++] = net_number_of_desktops;
276 atom[i++] = net_desktop_geometry;
277 atom[i++] = net_desktop_viewport;
278 atom[i++] = net_current_desktop;
279 atom[i++] = net_desktop_names;
280 atom[i++] = net_active_window;
281 atom[i++] = net_workarea;
282 atom[i++] = net_supporting_wm_check;
283 atom[i++] = net_showing_desktop;
284 #if 0
285 atom[i++] = net_wm_moveresize;
286 #endif
287 atom[i++] = net_wm_desktop;
288 atom[i++] = net_wm_window_type;
289 atom[i++] = net_wm_window_type_desktop;
290 atom[i++] = net_wm_window_type_dock;
291 atom[i++] = net_wm_window_type_toolbar;
292 atom[i++] = net_wm_window_type_menu;
293 atom[i++] = net_wm_window_type_utility;
294 atom[i++] = net_wm_window_type_splash;
295 atom[i++] = net_wm_window_type_dialog;
296 atom[i++] = net_wm_window_type_dropdown_menu;
297 atom[i++] = net_wm_window_type_popup_menu;
298 atom[i++] = net_wm_window_type_tooltip;
299 atom[i++] = net_wm_window_type_notification;
300 atom[i++] = net_wm_window_type_combo;
301 atom[i++] = net_wm_window_type_dnd;
302 atom[i++] = net_wm_window_type_normal;
303
304 atom[i++] = net_wm_state;
305 /* atom[i++] = net_wm_state_modal; *//* XXX: not sure where/when to use it. */
306 atom[i++] = net_wm_state_sticky;
307 atom[i++] = net_wm_state_shaded;
308 atom[i++] = net_wm_state_maximized_horz;
309 atom[i++] = net_wm_state_maximized_vert;
310 atom[i++] = net_wm_state_skip_taskbar;
311 atom[i++] = net_wm_state_skip_pager;
312 atom[i++] = net_wm_state_hidden;
313 atom[i++] = net_wm_state_fullscreen;
314 atom[i++] = net_wm_state_above;
315 atom[i++] = net_wm_state_below;
316
317 atom[i++] = net_wm_allowed_actions;
318 atom[i++] = net_wm_action_move;
319 atom[i++] = net_wm_action_resize;
320 atom[i++] = net_wm_action_minimize;
321 atom[i++] = net_wm_action_shade;
322 atom[i++] = net_wm_action_stick;
323 atom[i++] = net_wm_action_maximize_horz;
324 atom[i++] = net_wm_action_maximize_vert;
325 atom[i++] = net_wm_action_fullscreen;
326 atom[i++] = net_wm_action_change_desktop;
327 atom[i++] = net_wm_action_close;
328
329 atom[i++] = net_wm_strut;
330 atom[i++] = net_wm_icon_geometry;
331 atom[i++] = net_wm_icon;
332 atom[i++] = net_wm_handled_icons;
333 atom[i++] = net_wm_window_opacity;
334
335 atom[i++] = net_frame_extents;
336
337 atom[i++] = net_wm_name;
338 atom[i++] = net_wm_icon_name;
339
340 XChangeProperty(dpy, scr->root_win, net_supported, XA_ATOM, 32, PropModeReplace, (unsigned char *)atom, i);
341
342 /* set supporting wm hint */
343 XChangeProperty(dpy, scr->root_win, net_supporting_wm_check, XA_WINDOW, 32,
344 PropModeReplace, (unsigned char *)&scr->info_window, 1);
345
346 XChangeProperty(dpy, scr->info_window, net_supporting_wm_check, XA_WINDOW,
347 32, PropModeReplace, (unsigned char *)&scr->info_window, 1);
348 }
349
wNETWMUpdateDesktop(WScreen * scr)350 void wNETWMUpdateDesktop(WScreen *scr)
351 {
352 long *views, sizes[2];
353 int count, i;
354
355 if (scr->workspace_count == 0)
356 return;
357
358 count = scr->workspace_count * 2;
359 views = wmalloc(sizeof(long) * count);
360 sizes[0] = scr->scr_width;
361 sizes[1] = scr->scr_height;
362
363 for (i = 0; i < scr->workspace_count; i++) {
364 views[2 * i + 0] = 0;
365 views[2 * i + 1] = 0;
366 }
367
368 XChangeProperty(dpy, scr->root_win, net_desktop_geometry, XA_CARDINAL, 32,
369 PropModeReplace, (unsigned char *)sizes, 2);
370
371 XChangeProperty(dpy, scr->root_win, net_desktop_viewport, XA_CARDINAL, 32,
372 PropModeReplace, (unsigned char *)views, count);
373
374 wfree(views);
375 }
376
wNETWMGetCurrentDesktopFromHint(WScreen * scr)377 int wNETWMGetCurrentDesktopFromHint(WScreen *scr)
378 {
379 int count;
380 unsigned char *prop;
381
382 prop = PropGetCheckProperty(scr->root_win, net_current_desktop, XA_CARDINAL, 0, 1, &count);
383 if (prop) {
384 int desktop = *(long *)prop;
385 XFree(prop);
386 return desktop;
387 }
388 return -1;
389 }
390
makeRImageFromARGBData(unsigned long * data)391 static RImage *makeRImageFromARGBData(unsigned long *data)
392 {
393 int size, width, height, i;
394 RImage *image;
395 unsigned char *imgdata;
396 unsigned long pixel;
397
398 width = data[0];
399 height = data[1];
400 size = width * height;
401
402 if (size == 0)
403 return NULL;
404
405 image = RCreateImage(width, height, True);
406
407 for (imgdata = image->data, i = 2; i < size + 2; i++, imgdata += 4) {
408 pixel = data[i];
409 imgdata[3] = (pixel >> 24) & 0xff; /* A */
410 imgdata[0] = (pixel >> 16) & 0xff; /* R */
411 imgdata[1] = (pixel >> 8) & 0xff; /* G */
412 imgdata[2] = (pixel >> 0) & 0xff; /* B */
413 }
414
415 return image;
416 }
417
418 /* Find the best icon to be used by Window Maker for appicon/miniwindows. */
findBestIcon(unsigned long * data,unsigned long items)419 static RImage *findBestIcon(unsigned long *data, unsigned long items)
420 {
421 int wanted;
422 int dx, dy, d;
423 int sx, sy, size;
424 int best_d, largest;
425 unsigned long i;
426 unsigned long *icon;
427 RImage *src_image, *ret_image;
428 double f;
429
430 if (wPreferences.enforce_icon_margin) {
431
432 /* better use only 75% of icon_size. For 64x64 this means 48x48
433 * This leaves room around the icon for the miniwindow title and
434 * results in better overall aesthetics -Dan */
435 wanted = (int)((double)wPreferences.icon_size * 0.75 + 0.5);
436
437 /* the size should be a multiple of 4 */
438 wanted = (wanted >> 2) << 2;
439
440 } else {
441
442 /* This is the "old" approach, which tries to find the largest
443 * icon that still fits into icon_size. */
444 wanted = wPreferences.icon_size;
445
446 }
447
448 /* try to find an icon which is close to the wanted size, but not larger */
449 icon = NULL;
450 best_d = wanted * wanted * 2;
451 for (i = 0L; i < items - 1;) {
452
453 /* get the current icon's size */
454 sx = (int)data[i];
455 sy = (int)data[i + 1];
456 if ((sx < 1) || (sy < 1))
457 break;
458 size = sx * sy + 2;
459
460 /* check the size difference if it's not too large */
461 if ((sx <= wanted) && (sy <= wanted)) {
462 dx = wanted - sx;
463 dy = wanted - sy;
464 d = (dx * dx) + (dy * dy);
465 if (d < best_d) {
466 icon = &data[i];
467 best_d = d;
468 }
469 }
470
471 i += size;
472 }
473
474 /* if an icon has been found, no transformation is needed */
475 if (icon)
476 return makeRImageFromARGBData(icon);
477
478 /* We need to scale down an icon. Find the largest one, for it usually
479 * looks better to scale down a large image by a large scale than a
480 * small image by a small scale. */
481 largest = 0;
482 for (i = 0L; i < items - 1;) {
483 size = (int)data[i] * (int)data[i + 1];
484 if (size == 0)
485 break;
486 if (size > largest) {
487 icon = &data[i];
488 largest = size;
489 }
490 i += size + 2;
491 }
492
493 /* give up if there's no icon to work with */
494 if (!icon)
495 return NULL;
496
497 /* create a scaled down version of the icon */
498 src_image = makeRImageFromARGBData(icon);
499 if (src_image->width > src_image->height) {
500 f = (double)wanted / (double)src_image->width;
501 ret_image = RScaleImage(src_image, wanted, (int)(f * (double)(src_image->height)));
502 } else {
503 f = (double)wanted / (double)src_image->height;
504 ret_image = RScaleImage(src_image, (int)(f * (double)src_image->width), wanted);
505 }
506 RReleaseImage(src_image);
507 return ret_image;
508 }
509
get_window_image_from_x11(Window window)510 RImage *get_window_image_from_x11(Window window)
511 {
512 RImage *image;
513 Atom type;
514 int format;
515 unsigned long items, rest;
516 unsigned long *property;
517
518 /* Get the icon from X11 Window */
519 if (XGetWindowProperty(dpy, window, net_wm_icon, 0L, LONG_MAX,
520 False, XA_CARDINAL, &type, &format, &items, &rest,
521 (unsigned char **)&property) != Success || !property)
522 return NULL;
523
524 if (type != XA_CARDINAL || format != 32 || items < 2) {
525 XFree(property);
526 return NULL;
527 }
528
529 /* Find the best icon */
530 image = findBestIcon(property, items);
531 XFree(property);
532 if (!image)
533 return NULL;
534
535 /* Resize the image to the correct value */
536 image = wIconValidateIconSize(image, wPreferences.icon_size);
537
538 return image;
539 }
540
updateIconImage(WWindow * wwin)541 static void updateIconImage(WWindow *wwin)
542 {
543 /* Remove the icon image from X11 */
544 if (wwin->net_icon_image)
545 RReleaseImage(wwin->net_icon_image);
546
547 /* Save the icon in the X11 icon */
548 wwin->net_icon_image = get_window_image_from_x11(wwin->client_win);
549
550 /* Refresh the Window Icon */
551 if (wwin->icon)
552 wIconUpdate(wwin->icon);
553
554 /* Refresh the application icon */
555 WApplication *app = wApplicationOf(wwin->main_window);
556 if (app && app->app_icon) {
557 wIconUpdate(app->app_icon->icon);
558 wAppIconPaint(app->app_icon);
559 }
560 }
561
updateWindowOpacity(WWindow * wwin)562 static void updateWindowOpacity(WWindow *wwin)
563 {
564 Atom type;
565 int format;
566 unsigned long items, rest;
567 unsigned long *property;
568
569 if (!wwin->frame)
570 return;
571
572 /* We don't care about this ourselves, but other programs need us to copy
573 * this to the frame window. */
574 if (XGetWindowProperty(dpy, wwin->client_win, net_wm_window_opacity, 0L, 1L,
575 False, XA_CARDINAL, &type, &format, &items, &rest,
576 (unsigned char **)&property) != Success)
577 return;
578
579 if (type == None) {
580 XDeleteProperty(dpy, wwin->frame->core->window, net_wm_window_opacity);
581 } else if (type == XA_CARDINAL && format == 32 && items == 1 && property) {
582 XChangeProperty(dpy, wwin->frame->core->window, net_wm_window_opacity,
583 XA_CARDINAL, 32, PropModeReplace, (unsigned char *)property, 1L);
584 }
585
586 if (property)
587 XFree(property);
588 }
589
updateShowDesktop(WScreen * scr,Bool show)590 static void updateShowDesktop(WScreen *scr, Bool show)
591 {
592 long foo;
593
594 foo = (show == True);
595 XChangeProperty(dpy, scr->root_win, net_showing_desktop, XA_CARDINAL, 32,
596 PropModeReplace, (unsigned char *)&foo, 1);
597 }
598
wNETWMShowingDesktop(WScreen * scr,Bool show)599 static void wNETWMShowingDesktop(WScreen *scr, Bool show)
600 {
601 if (show && scr->netdata->show_desktop == NULL) {
602 WWindow *tmp, **wins;
603 int i = 0;
604
605 wins = (WWindow **) wmalloc(sizeof(WWindow *) * (scr->window_count + 1));
606
607 tmp = scr->focused_window;
608 while (tmp) {
609 if (!tmp->flags.hidden && !tmp->flags.miniaturized && !WFLAGP(tmp, skip_window_list)) {
610
611 wins[i++] = tmp;
612 tmp->flags.skip_next_animation = 1;
613 tmp->flags.net_show_desktop = 1;
614 wIconifyWindow(tmp);
615 }
616
617 tmp = tmp->prev;
618 }
619 wins[i++] = NULL;
620
621 scr->netdata->show_desktop = wins;
622 updateShowDesktop(scr, True);
623 } else if (scr->netdata->show_desktop != NULL) {
624 /* FIXME: get rid of workspace flashing ! */
625 int ws = scr->current_workspace;
626 WWindow **tmp;
627 for (tmp = scr->netdata->show_desktop; *tmp; ++tmp) {
628 wDeiconifyWindow(*tmp);
629 (*tmp)->flags.net_show_desktop = 0;
630 }
631 if (ws != scr->current_workspace)
632 wWorkspaceChange(scr, ws);
633 wfree(scr->netdata->show_desktop);
634 scr->netdata->show_desktop = NULL;
635 updateShowDesktop(scr, False);
636 }
637 }
638
wNETWMInitStuff(WScreen * scr)639 void wNETWMInitStuff(WScreen *scr)
640 {
641 NetData *data;
642 int i;
643
644 #ifdef DEBUG_WMSPEC
645 wmessage("wNETWMInitStuff");
646 #endif
647
648 #ifdef HAVE_XINTERNATOMS
649 {
650 Atom atoms[wlengthof(atomNames)];
651 char *names[wlengthof(atomNames)];
652
653 for (i = 0; i < wlengthof(atomNames); ++i)
654 names[i] = atomNames[i].name;
655
656 XInternAtoms(dpy, &names[0], wlengthof(atomNames), False, atoms);
657 for (i = 0; i < wlengthof(atomNames); ++i)
658 *atomNames[i].atom = atoms[i];
659
660 }
661 #else
662 for (i = 0; i < wlengthof(atomNames); i++)
663 *atomNames[i].atom = XInternAtom(dpy, atomNames[i].name, False);
664 #endif
665
666 data = wmalloc(sizeof(NetData));
667 data->scr = scr;
668 data->strut = NULL;
669 data->show_desktop = NULL;
670
671 scr->netdata = data;
672
673 setSupportedHints(scr);
674
675 WMAddNotificationObserver(observer, data, WMNManaged, NULL);
676 WMAddNotificationObserver(observer, data, WMNUnmanaged, NULL);
677 WMAddNotificationObserver(observer, data, WMNChangedWorkspace, NULL);
678 WMAddNotificationObserver(observer, data, WMNChangedState, NULL);
679 WMAddNotificationObserver(observer, data, WMNChangedFocus, NULL);
680 WMAddNotificationObserver(observer, data, WMNChangedStacking, NULL);
681 WMAddNotificationObserver(observer, data, WMNChangedName, NULL);
682
683 WMAddNotificationObserver(wsobserver, data, WMNWorkspaceCreated, NULL);
684 WMAddNotificationObserver(wsobserver, data, WMNWorkspaceDestroyed, NULL);
685 WMAddNotificationObserver(wsobserver, data, WMNWorkspaceChanged, NULL);
686 WMAddNotificationObserver(wsobserver, data, WMNWorkspaceNameChanged, NULL);
687
688 updateClientList(scr);
689 updateClientListStacking(scr, NULL);
690 updateWorkspaceCount(scr);
691 updateWorkspaceNames(scr);
692 updateShowDesktop(scr, False);
693
694 wScreenUpdateUsableArea(scr);
695 }
696
wNETWMCleanup(WScreen * scr)697 void wNETWMCleanup(WScreen *scr)
698 {
699 int i;
700
701 for (i = 0; i < wlengthof(atomNames); i++)
702 XDeleteProperty(dpy, scr->root_win, *atomNames[i].atom);
703 }
704
wNETWMUpdateActions(WWindow * wwin,Bool del)705 void wNETWMUpdateActions(WWindow *wwin, Bool del)
706 {
707 Atom action[10]; /* nr of actions atoms defined */
708 int i = 0;
709
710 if (del) {
711 XDeleteProperty(dpy, wwin->client_win, net_wm_allowed_actions);
712 return;
713 }
714
715 if (IS_MOVABLE(wwin))
716 action[i++] = net_wm_action_move;
717
718 if (IS_RESIZABLE(wwin))
719 action[i++] = net_wm_action_resize;
720
721 if (!WFLAGP(wwin, no_miniaturizable))
722 action[i++] = net_wm_action_minimize;
723
724 if (!WFLAGP(wwin, no_shadeable))
725 action[i++] = net_wm_action_shade;
726
727 /* if (!WFLAGP(wwin, no_stickable)) */
728 action[i++] = net_wm_action_stick;
729
730 /* if (!(WFLAGP(wwin, no_maximizeable) & MAX_HORIZONTAL)) */
731 if (IS_RESIZABLE(wwin))
732 action[i++] = net_wm_action_maximize_horz;
733
734 /* if (!(WFLAGP(wwin, no_maximizeable) & MAX_VERTICAL)) */
735 if (IS_RESIZABLE(wwin))
736 action[i++] = net_wm_action_maximize_vert;
737
738 /* if (!WFLAGP(wwin, no_fullscreen)) */
739 action[i++] = net_wm_action_fullscreen;
740
741 /* if (!WFLAGP(wwin, no_change_desktop)) */
742 action[i++] = net_wm_action_change_desktop;
743
744 if (!WFLAGP(wwin, no_closable))
745 action[i++] = net_wm_action_close;
746
747 XChangeProperty(dpy, wwin->client_win, net_wm_allowed_actions,
748 XA_ATOM, 32, PropModeReplace, (unsigned char *)action, i);
749 }
750
wNETWMUpdateWorkarea(WScreen * scr)751 void wNETWMUpdateWorkarea(WScreen *scr)
752 {
753 WArea total_usable;
754 int nb_workspace;
755
756 if (!scr->netdata) {
757 /* If the _NET_xxx were not initialised, it not necessary to do anything */
758 return;
759 }
760
761 if (!scr->usableArea) {
762 /* If we don't have any info, we fall back on using the complete screen area */
763 total_usable.x1 = 0;
764 total_usable.y1 = 0;
765 total_usable.x2 = scr->scr_width;
766 total_usable.y2 = scr->scr_height;
767
768 } else {
769 int i;
770
771 /*
772 * the _NET_WORKAREA is supposed to contain the total area of the screen that
773 * is usable, so we merge the areas from all xrandr sub-screens
774 */
775 total_usable = scr->usableArea[0];
776
777 for (i = 1; i < wXineramaHeads(scr); i++) {
778 /* The merge is not subtle because _NET_WORKAREA does not need more */
779 if (scr->usableArea[i].x1 < total_usable.x1)
780 total_usable.x1 = scr->usableArea[i].x1;
781
782 if (scr->usableArea[i].y1 < total_usable.y1)
783 total_usable.y1 = scr->usableArea[i].y1;
784
785 if (scr->usableArea[i].x2 > total_usable.x2)
786 total_usable.x2 = scr->usableArea[i].x2;
787
788 if (scr->usableArea[i].y2 > total_usable.y2)
789 total_usable.y2 = scr->usableArea[i].y2;
790 }
791
792 }
793
794 /* We are expected to repeat the information for each workspace */
795 if (scr->workspace_count == 0)
796 nb_workspace = 1;
797 else
798 nb_workspace = scr->workspace_count;
799
800 {
801 long property_value[nb_workspace * 4];
802 int i;
803
804 for (i = 0; i < nb_workspace; i++) {
805 property_value[4 * i + 0] = total_usable.x1;
806 property_value[4 * i + 1] = total_usable.y1;
807 property_value[4 * i + 2] = total_usable.x2 - total_usable.x1;
808 property_value[4 * i + 3] = total_usable.y2 - total_usable.y1;
809 }
810
811 XChangeProperty(dpy, scr->root_win, net_workarea, XA_CARDINAL, 32, PropModeReplace,
812 (unsigned char *) property_value, nb_workspace * 4);
813 }
814 }
815
wNETWMGetUsableArea(WScreen * scr,int head,WArea * area)816 Bool wNETWMGetUsableArea(WScreen *scr, int head, WArea *area)
817 {
818 WReservedArea *cur;
819 WMRect rect;
820
821 if (!scr->netdata || !scr->netdata->strut)
822 return False;
823
824 area->x1 = area->y1 = area->x2 = area->y2 = 0;
825
826 for (cur = scr->netdata->strut; cur; cur = cur->next) {
827 WWindow *wwin = wWindowFor(cur->window);
828 if (wWindowTouchesHead(wwin, head)) {
829 if (cur->area.x1 > area->x1)
830 area->x1 = cur->area.x1;
831 if (cur->area.y1 > area->y1)
832 area->y1 = cur->area.y1;
833 if (cur->area.x2 > area->x2)
834 area->x2 = cur->area.x2;
835 if (cur->area.y2 > area->y2)
836 area->y2 = cur->area.y2;
837 }
838 }
839
840 if (area->x1 == 0 && area->x2 == 0 && area->y1 == 0 && area->y2 == 0)
841 return False;
842
843 rect = wGetRectForHead(scr, head);
844
845 area->x1 = rect.pos.x + area->x1;
846 area->x2 = rect.pos.x + rect.size.width - area->x2;
847 area->y1 = rect.pos.y + area->y1;
848 area->y2 = rect.pos.y + rect.size.height - area->y2;
849
850 return True;
851 }
852
updateClientList(WScreen * scr)853 static void updateClientList(WScreen *scr)
854 {
855 WWindow *wwin;
856 Window *windows;
857 int count;
858
859 windows = (Window *) wmalloc(sizeof(Window) * (scr->window_count + 1));
860
861 count = 0;
862 wwin = scr->focused_window;
863 while (wwin) {
864 windows[count++] = wwin->client_win;
865 wwin = wwin->prev;
866 }
867 XChangeProperty(dpy, scr->root_win, net_client_list, XA_WINDOW, 32,
868 PropModeReplace, (unsigned char *)windows, count);
869
870 wfree(windows);
871 XFlush(dpy);
872 }
873
updateClientListStacking(WScreen * scr,WWindow * wwin_excl)874 static void updateClientListStacking(WScreen *scr, WWindow *wwin_excl)
875 {
876 WWindow *wwin;
877 Window *client_list, *client_list_reverse;
878 int client_count, i;
879 WCoreWindow *tmp;
880 WMBagIterator iter;
881
882 /* update client list */
883 i = scr->window_count + 1;
884 client_list = (Window *) wmalloc(sizeof(Window) * i);
885 client_list_reverse = (Window *) wmalloc(sizeof(Window) * i);
886
887 client_count = 0;
888 WM_ETARETI_BAG(scr->stacking_list, tmp, iter) {
889 while (tmp) {
890 wwin = wWindowFor(tmp->window);
891 /* wwin_excl is a window to exclude from the list
892 (e.g. it's now unmanaged) */
893 if (wwin && (wwin != wwin_excl))
894 client_list[client_count++] = wwin->client_win;
895 tmp = tmp->stacking->under;
896 }
897 }
898
899 for (i = 0; i < client_count; i++) {
900 Window w = client_list[client_count - i - 1];
901 client_list_reverse[i] = w;
902 }
903
904 XChangeProperty(dpy, scr->root_win, net_client_list_stacking, XA_WINDOW, 32,
905 PropModeReplace, (unsigned char *)client_list_reverse, client_count);
906
907 wfree(client_list);
908 wfree(client_list_reverse);
909
910 XFlush(dpy);
911 }
912
updateWorkspaceCount(WScreen * scr)913 static void updateWorkspaceCount(WScreen *scr)
914 { /* changeable */
915 long count;
916
917 count = scr->workspace_count;
918
919 XChangeProperty(dpy, scr->root_win, net_number_of_desktops, XA_CARDINAL,
920 32, PropModeReplace, (unsigned char *)&count, 1);
921 }
922
updateCurrentWorkspace(WScreen * scr)923 static void updateCurrentWorkspace(WScreen *scr)
924 { /* changeable */
925 long count;
926
927 count = scr->current_workspace;
928
929 XChangeProperty(dpy, scr->root_win, net_current_desktop, XA_CARDINAL, 32,
930 PropModeReplace, (unsigned char *)&count, 1);
931 }
932
updateWorkspaceNames(WScreen * scr)933 static void updateWorkspaceNames(WScreen *scr)
934 {
935 char buf[MAX_WORKSPACES * (MAX_WORKSPACENAME_WIDTH + 1)], *pos;
936 unsigned int i, len, curr_size;
937
938 pos = buf;
939 len = 0;
940 for (i = 0; i < scr->workspace_count; i++) {
941 curr_size = strlen(scr->workspaces[i]->name);
942 strcpy(pos, scr->workspaces[i]->name);
943 pos += (curr_size + 1);
944 len += (curr_size + 1);
945 }
946
947 XChangeProperty(dpy, scr->root_win, net_desktop_names, utf8_string, 8,
948 PropModeReplace, (unsigned char *)buf, len);
949 }
950
updateFocusHint(WScreen * scr)951 static void updateFocusHint(WScreen *scr)
952 { /* changeable */
953 Window window;
954
955 if (!scr->focused_window || !scr->focused_window->flags.focused)
956 window = None;
957 else
958 window = scr->focused_window->client_win;
959
960 XChangeProperty(dpy, scr->root_win, net_active_window, XA_WINDOW, 32,
961 PropModeReplace, (unsigned char *)&window, 1);
962 }
963
updateWorkspaceHint(WWindow * wwin,Bool fake,Bool del)964 static void updateWorkspaceHint(WWindow *wwin, Bool fake, Bool del)
965 {
966 long l;
967
968 if (del) {
969 XDeleteProperty(dpy, wwin->client_win, net_wm_desktop);
970 } else {
971 l = ((fake || IS_OMNIPRESENT(wwin)) ? -1 : wwin->frame->workspace);
972 XChangeProperty(dpy, wwin->client_win, net_wm_desktop, XA_CARDINAL,
973 32, PropModeReplace, (unsigned char *)&l, 1);
974 }
975 }
976
updateStateHint(WWindow * wwin,Bool changedWorkspace,Bool del)977 static void updateStateHint(WWindow *wwin, Bool changedWorkspace, Bool del)
978 { /* changeable */
979 if (del) {
980 XDeleteProperty(dpy, wwin->client_win, net_wm_state);
981 } else {
982 Atom state[15]; /* nr of defined state atoms */
983 int i = 0;
984
985 if (changedWorkspace || (wPreferences.sticky_icons && !IS_OMNIPRESENT(wwin)))
986 updateWorkspaceHint(wwin, False, False);
987
988 if (IS_OMNIPRESENT(wwin))
989 state[i++] = net_wm_state_sticky;
990 if (wwin->flags.shaded)
991 state[i++] = net_wm_state_shaded;
992 if (wwin->flags.maximized & MAX_HORIZONTAL)
993 state[i++] = net_wm_state_maximized_horz;
994 if (wwin->flags.maximized & MAX_VERTICAL)
995 state[i++] = net_wm_state_maximized_vert;
996 if (WFLAGP(wwin, skip_window_list))
997 state[i++] = net_wm_state_skip_taskbar;
998 if (wwin->flags.net_skip_pager)
999 state[i++] = net_wm_state_skip_pager;
1000 if ((wwin->flags.hidden || wwin->flags.miniaturized) && !wwin->flags.net_show_desktop) {
1001 state[i++] = net_wm_state_hidden;
1002 state[i++] = net_wm_state_skip_pager;
1003
1004 if (wwin->flags.miniaturized && wPreferences.sticky_icons) {
1005 if (!IS_OMNIPRESENT(wwin))
1006 updateWorkspaceHint(wwin, True, False);
1007 state[i++] = net_wm_state_sticky;
1008 }
1009 }
1010 if (WFLAGP(wwin, sunken))
1011 state[i++] = net_wm_state_below;
1012 if (WFLAGP(wwin, floating))
1013 state[i++] = net_wm_state_above;
1014 if (wwin->flags.fullscreen)
1015 state[i++] = net_wm_state_fullscreen;
1016
1017 XChangeProperty(dpy, wwin->client_win, net_wm_state, XA_ATOM, 32,
1018 PropModeReplace, (unsigned char *)state, i);
1019 }
1020 }
1021
updateStrut(WScreen * scr,Window w,Bool adding)1022 static Bool updateStrut(WScreen *scr, Window w, Bool adding)
1023 {
1024 WReservedArea *area;
1025 Bool hasState = False;
1026
1027 if (adding) {
1028 Atom type_ret;
1029 int fmt_ret;
1030 unsigned long nitems_ret, bytes_after_ret;
1031 long *data = NULL;
1032
1033 if ((XGetWindowProperty(dpy, w, net_wm_strut, 0, 4, False,
1034 XA_CARDINAL, &type_ret, &fmt_ret, &nitems_ret,
1035 &bytes_after_ret, (unsigned char **)&data) == Success && data) ||
1036 ((XGetWindowProperty(dpy, w, net_wm_strut_partial, 0, 12, False,
1037 XA_CARDINAL, &type_ret, &fmt_ret, &nitems_ret,
1038 &bytes_after_ret, (unsigned char **)&data) == Success && data))) {
1039
1040 /* XXX: This is strictly incorrect in the case of net_wm_strut_partial...
1041 * Discard the start and end properties from the partial strut and treat it as
1042 * a (deprecated) strut.
1043 * This means we are marking the whole width or height of the screen as
1044 * reserved, which is not necessarily what the strut defines. However for the
1045 * purposes of determining placement or maximization it's probably good enough.
1046 */
1047 area = (WReservedArea *) wmalloc(sizeof(WReservedArea));
1048 area->area.x1 = data[0];
1049 area->area.x2 = data[1];
1050 area->area.y1 = data[2];
1051 area->area.y2 = data[3];
1052
1053 area->window = w;
1054
1055 area->next = scr->netdata->strut;
1056 scr->netdata->strut = area;
1057
1058 XFree(data);
1059 hasState = True;
1060 }
1061 } else {
1062 /* deleting */
1063 area = scr->netdata->strut;
1064
1065 if (area) {
1066 if (area->window == w) {
1067 scr->netdata->strut = area->next;
1068 wfree(area);
1069 hasState = True;
1070 } else {
1071 while (area->next && area->next->window != w)
1072 area = area->next;
1073
1074 if (area->next) {
1075 WReservedArea *next;
1076
1077 next = area->next->next;
1078 wfree(area->next);
1079 area->next = next;
1080
1081 hasState = True;
1082 }
1083 }
1084 }
1085 }
1086
1087 return hasState;
1088 }
1089
getWindowLayer(WWindow * wwin)1090 static int getWindowLayer(WWindow *wwin)
1091 {
1092 int layer = WMNormalLevel;
1093
1094 if (wwin->type == net_wm_window_type_desktop) {
1095 layer = WMDesktopLevel;
1096 } else if (wwin->type == net_wm_window_type_dock) {
1097 layer = WMDockLevel;
1098 } else if (wwin->type == net_wm_window_type_toolbar) {
1099 layer = WMMainMenuLevel;
1100 } else if (wwin->type == net_wm_window_type_menu) {
1101 layer = WMSubmenuLevel;
1102 } else if (wwin->type == net_wm_window_type_utility) {
1103 } else if (wwin->type == net_wm_window_type_splash) {
1104 } else if (wwin->type == net_wm_window_type_dialog) {
1105 if (wwin->transient_for) {
1106 WWindow *parent = wWindowFor(wwin->transient_for);
1107 if (parent && parent->flags.fullscreen)
1108 layer = WMFullscreenLevel;
1109 }
1110 /* //layer = WMPopUpLevel; // this seems a bad idea -Dan */
1111 } else if (wwin->type == net_wm_window_type_dropdown_menu) {
1112 layer = WMSubmenuLevel;
1113 } else if (wwin->type == net_wm_window_type_popup_menu) {
1114 layer = WMSubmenuLevel;
1115 } else if (wwin->type == net_wm_window_type_tooltip) {
1116 } else if (wwin->type == net_wm_window_type_notification) {
1117 layer = WMPopUpLevel;
1118 } else if (wwin->type == net_wm_window_type_combo) {
1119 layer = WMSubmenuLevel;
1120 } else if (wwin->type == net_wm_window_type_dnd) {
1121 } else if (wwin->type == net_wm_window_type_normal) {
1122 }
1123
1124 if (wwin->client_flags.sunken && WMSunkenLevel < layer)
1125 layer = WMSunkenLevel;
1126 if (wwin->client_flags.floating && WMFloatingLevel > layer)
1127 layer = WMFloatingLevel;
1128
1129 return layer;
1130 }
1131
doStateAtom(WWindow * wwin,Atom state,int set,Bool init)1132 static void doStateAtom(WWindow *wwin, Atom state, int set, Bool init)
1133 {
1134 if (state == net_wm_state_sticky) {
1135 if (set == _NET_WM_STATE_TOGGLE)
1136 set = !IS_OMNIPRESENT(wwin);
1137
1138 if (set != wwin->flags.omnipresent)
1139 wWindowSetOmnipresent(wwin, set);
1140
1141 } else if (state == net_wm_state_shaded) {
1142 if (set == _NET_WM_STATE_TOGGLE)
1143 set = !wwin->flags.shaded;
1144
1145 if (init) {
1146 wwin->flags.shaded = set;
1147 } else {
1148 if (set)
1149 wShadeWindow(wwin);
1150 else
1151 wUnshadeWindow(wwin);
1152 }
1153 } else if (state == net_wm_state_skip_taskbar) {
1154 if (set == _NET_WM_STATE_TOGGLE)
1155 set = !wwin->client_flags.skip_window_list;
1156
1157 wwin->client_flags.skip_window_list = set;
1158 } else if (state == net_wm_state_skip_pager) {
1159 if (set == _NET_WM_STATE_TOGGLE)
1160 set = !wwin->flags.net_skip_pager;
1161
1162 wwin->flags.net_skip_pager = set;
1163 } else if (state == net_wm_state_maximized_vert) {
1164 if (set == _NET_WM_STATE_TOGGLE)
1165 set = !(wwin->flags.maximized & MAX_VERTICAL);
1166
1167 if (init) {
1168 wwin->flags.maximized |= (set ? MAX_VERTICAL : 0);
1169 } else {
1170 if (set)
1171 wMaximizeWindow(wwin, wwin->flags.maximized | MAX_VERTICAL,
1172 wGetHeadForWindow(wwin));
1173 else
1174 wMaximizeWindow(wwin, wwin->flags.maximized & ~MAX_VERTICAL,
1175 wGetHeadForWindow(wwin));
1176 }
1177 } else if (state == net_wm_state_maximized_horz) {
1178 if (set == _NET_WM_STATE_TOGGLE)
1179 set = !(wwin->flags.maximized & MAX_HORIZONTAL);
1180
1181 if (init) {
1182 wwin->flags.maximized |= (set ? MAX_HORIZONTAL : 0);
1183 } else {
1184 if (set)
1185 wMaximizeWindow(wwin, wwin->flags.maximized | MAX_HORIZONTAL,
1186 wGetHeadForWindow(wwin));
1187 else
1188 wMaximizeWindow(wwin, wwin->flags.maximized & ~MAX_HORIZONTAL,
1189 wGetHeadForWindow(wwin));
1190 }
1191 } else if (state == net_wm_state_hidden) {
1192 if (set == _NET_WM_STATE_TOGGLE)
1193 set = !(wwin->flags.miniaturized);
1194
1195 if (init) {
1196 wwin->flags.miniaturized = set;
1197 } else {
1198 if (set)
1199 wIconifyWindow(wwin);
1200 else
1201 wDeiconifyWindow(wwin);
1202 }
1203 } else if (state == net_wm_state_fullscreen) {
1204 if (set == _NET_WM_STATE_TOGGLE)
1205 set = !(wwin->flags.fullscreen);
1206
1207 if (init) {
1208 wwin->flags.fullscreen = set;
1209 } else {
1210 if (set)
1211 wFullscreenWindow(wwin);
1212 else
1213 wUnfullscreenWindow(wwin);
1214 }
1215 } else if (state == net_wm_state_above) {
1216 if (set == _NET_WM_STATE_TOGGLE)
1217 set = !(wwin->client_flags.floating);
1218
1219 if (init) {
1220 wwin->client_flags.floating = set;
1221 } else {
1222 wwin->client_flags.floating = set;
1223 ChangeStackingLevel(wwin->frame->core, getWindowLayer(wwin));
1224 }
1225
1226 } else if (state == net_wm_state_below) {
1227 if (set == _NET_WM_STATE_TOGGLE)
1228 set = !(wwin->client_flags.sunken);
1229
1230 if (init) {
1231 wwin->client_flags.sunken = set;
1232 } else {
1233 wwin->client_flags.sunken = set;
1234 ChangeStackingLevel(wwin->frame->core, getWindowLayer(wwin));
1235 }
1236
1237 } else {
1238 #ifdef DEBUG_WMSPEC
1239 wmessage("doStateAtom unknown atom %s set %d", XGetAtomName(dpy, state), set);
1240 #endif
1241 }
1242 }
1243
removeIcon(WWindow * wwin)1244 static void removeIcon(WWindow *wwin)
1245 {
1246 if (wwin->icon == NULL)
1247 return;
1248 if (wwin->flags.miniaturized && wwin->icon->mapped) {
1249 XUnmapWindow(dpy, wwin->icon->core->window);
1250 RemoveFromStackList(wwin->icon->core);
1251 wIconDestroy(wwin->icon);
1252 wwin->icon = NULL;
1253 }
1254 }
1255
handleWindowType(WWindow * wwin,Atom type,int * layer)1256 static Bool handleWindowType(WWindow *wwin, Atom type, int *layer)
1257 {
1258 Bool ret = True;
1259
1260 if (type == net_wm_window_type_desktop) {
1261 wwin->client_flags.no_titlebar = 1;
1262 wwin->client_flags.no_resizable = 1;
1263 wwin->client_flags.no_miniaturizable = 1;
1264 wwin->client_flags.no_border = 1;
1265 wwin->client_flags.no_resizebar = 1;
1266 wwin->client_flags.no_shadeable = 1;
1267 wwin->client_flags.no_movable = 1;
1268 wwin->client_flags.omnipresent = 1;
1269 wwin->client_flags.skip_window_list = 1;
1270 wwin->client_flags.skip_switchpanel = 1;
1271 wwin->client_flags.dont_move_off = 1;
1272 wwin->client_flags.no_appicon = 1;
1273 wwin->flags.net_skip_pager = 1;
1274 wwin->frame_x = 0;
1275 wwin->frame_y = 0;
1276 } else if (type == net_wm_window_type_dock) {
1277 wwin->client_flags.no_titlebar = 1;
1278 wwin->client_flags.no_resizable = 1;
1279 wwin->client_flags.no_miniaturizable = 1;
1280 wwin->client_flags.no_border = 1; /* XXX: really not a single decoration. */
1281 wwin->client_flags.no_resizebar = 1;
1282 wwin->client_flags.no_shadeable = 1;
1283 wwin->client_flags.no_movable = 1;
1284 wwin->client_flags.omnipresent = 1;
1285 wwin->client_flags.skip_window_list = 1;
1286 wwin->client_flags.skip_switchpanel = 1;
1287 wwin->client_flags.dont_move_off = 1;
1288 wwin->flags.net_skip_pager = 1;
1289 } else if (type == net_wm_window_type_toolbar ||
1290 type == net_wm_window_type_menu) {
1291 wwin->client_flags.no_resizable = 1;
1292 wwin->client_flags.no_miniaturizable = 1;
1293 wwin->client_flags.no_resizebar = 1;
1294 wwin->client_flags.no_shadeable = 1;
1295 wwin->client_flags.skip_window_list = 1;
1296 wwin->client_flags.skip_switchpanel = 1;
1297 wwin->client_flags.dont_move_off = 1;
1298 wwin->client_flags.no_appicon = 1;
1299 } else if (type == net_wm_window_type_dropdown_menu ||
1300 type == net_wm_window_type_popup_menu ||
1301 type == net_wm_window_type_combo) {
1302 wwin->client_flags.no_titlebar = 1;
1303 wwin->client_flags.no_resizable = 1;
1304 wwin->client_flags.no_miniaturizable = 1;
1305 wwin->client_flags.no_resizebar = 1;
1306 wwin->client_flags.no_shadeable = 1;
1307 wwin->client_flags.skip_window_list = 1;
1308 wwin->client_flags.skip_switchpanel = 1;
1309 wwin->client_flags.dont_move_off = 1;
1310 wwin->client_flags.no_appicon = 1;
1311 } else if (type == net_wm_window_type_utility) {
1312 wwin->client_flags.no_appicon = 1;
1313 } else if (type == net_wm_window_type_splash) {
1314 wwin->client_flags.no_titlebar = 1;
1315 wwin->client_flags.no_resizable = 1;
1316 wwin->client_flags.no_miniaturizable = 1;
1317 wwin->client_flags.no_resizebar = 1;
1318 wwin->client_flags.no_shadeable = 1;
1319 wwin->client_flags.no_movable = 1;
1320 wwin->client_flags.skip_window_list = 1;
1321 wwin->client_flags.skip_switchpanel = 1;
1322 wwin->client_flags.dont_move_off = 1;
1323 wwin->client_flags.no_appicon = 1;
1324 wwin->flags.net_skip_pager = 1;
1325 } else if (type == net_wm_window_type_dialog) {
1326 /* These also seem a bad idea in our context -Dan
1327 // wwin->client_flags.skip_window_list = 1;
1328 // wwin->client_flags.no_appicon = 1;
1329 */
1330 } else if (wwin->type == net_wm_window_type_tooltip) {
1331 wwin->client_flags.no_titlebar = 1;
1332 wwin->client_flags.no_resizable = 1;
1333 wwin->client_flags.no_miniaturizable = 1;
1334 wwin->client_flags.no_resizebar = 1;
1335 wwin->client_flags.no_shadeable = 1;
1336 wwin->client_flags.no_movable = 1;
1337 wwin->client_flags.skip_window_list = 1;
1338 wwin->client_flags.skip_switchpanel = 1;
1339 wwin->client_flags.dont_move_off = 1;
1340 wwin->client_flags.no_appicon = 1;
1341 wwin->client_flags.no_focusable = 1;
1342 wwin->flags.net_skip_pager = 1;
1343 } else if (wwin->type == net_wm_window_type_notification) {
1344 wwin->client_flags.no_titlebar = 1;
1345 wwin->client_flags.no_resizable = 1;
1346 wwin->client_flags.no_miniaturizable = 1;
1347 wwin->client_flags.no_border = 1;
1348 wwin->client_flags.no_resizebar = 1;
1349 wwin->client_flags.no_shadeable = 1;
1350 wwin->client_flags.no_movable = 1;
1351 wwin->client_flags.omnipresent = 1;
1352 wwin->client_flags.skip_window_list = 1;
1353 wwin->client_flags.skip_switchpanel = 1;
1354 wwin->client_flags.dont_move_off = 1;
1355 wwin->client_flags.no_hide_others= 1;
1356 wwin->client_flags.no_appicon = 1;
1357 wwin->client_flags.no_focusable = 1;
1358 wwin->flags.net_skip_pager = 1;
1359 } else if (wwin->type == net_wm_window_type_dnd) {
1360 wwin->client_flags.no_titlebar = 1;
1361 wwin->client_flags.no_resizable = 1;
1362 wwin->client_flags.no_miniaturizable = 1;
1363 wwin->client_flags.no_border = 1;
1364 wwin->client_flags.no_resizebar = 1;
1365 wwin->client_flags.no_shadeable = 1;
1366 wwin->client_flags.no_movable = 1;
1367 wwin->client_flags.skip_window_list = 1;
1368 wwin->client_flags.skip_switchpanel = 1;
1369 wwin->client_flags.dont_move_off = 1;
1370 wwin->client_flags.no_appicon = 1;
1371 wwin->flags.net_skip_pager = 1;
1372 } else if (type == net_wm_window_type_normal) {
1373 } else {
1374 ret = False;
1375 }
1376
1377 /* Restore decoration if the user has enabled the
1378 * IgnoreDecorationChanges option */
1379 if (WFLAGP(wwin, ignore_decoration_changes)) {
1380 wwin->client_flags.no_titlebar = 0;
1381 wwin->client_flags.no_resizable = 0;
1382 wwin->client_flags.no_miniaturizable = 0;
1383 wwin->client_flags.no_resizebar = 0;
1384 wwin->client_flags.no_border = 0;
1385 wwin->client_flags.no_movable = 0;
1386 }
1387
1388 wwin->type = type;
1389 *layer = getWindowLayer(wwin);
1390
1391 return ret;
1392 }
1393
wNETWMPositionSplash(WWindow * wwin,int * x,int * y,int width,int height)1394 void wNETWMPositionSplash(WWindow *wwin, int *x, int *y, int width, int height)
1395 {
1396 if (wwin->type == net_wm_window_type_splash) {
1397 WScreen *scr = wwin->screen_ptr;
1398 WMRect rect = wGetRectForHead(scr, wGetHeadForPointerLocation(scr));
1399 *x = rect.pos.x + (rect.size.width - width) / 2;
1400 *y = rect.pos.y + (rect.size.height - height) / 2;
1401 }
1402 }
1403
updateWindowType(WWindow * wwin)1404 static void updateWindowType(WWindow *wwin)
1405 {
1406 Atom type_ret;
1407 int fmt_ret, layer;
1408 unsigned long nitems_ret, bytes_after_ret;
1409 long *data = NULL;
1410
1411 if (XGetWindowProperty(dpy, wwin->client_win, net_wm_window_type, 0, 1,
1412 False, XA_ATOM, &type_ret, &fmt_ret, &nitems_ret,
1413 &bytes_after_ret, (unsigned char **)&data) == Success && data) {
1414
1415 int i;
1416 Atom *type = (Atom *) data;
1417 for (i = 0; i < nitems_ret; ++i) {
1418 if (handleWindowType(wwin, type[i], &layer))
1419 break;
1420 }
1421 XFree(data);
1422 }
1423
1424 if (wwin->frame != NULL) {
1425 ChangeStackingLevel(wwin->frame->core, layer);
1426 wwin->frame->flags.need_texture_change = 1;
1427 wWindowConfigureBorders(wwin);
1428 wFrameWindowPaint(wwin->frame);
1429 wNETWMUpdateActions(wwin, False);
1430 }
1431 }
1432
wNETWMCheckClientHints(WWindow * wwin,int * layer,int * workspace)1433 void wNETWMCheckClientHints(WWindow *wwin, int *layer, int *workspace)
1434 {
1435 Atom type_ret;
1436 int fmt_ret, i;
1437 unsigned long nitems_ret, bytes_after_ret;
1438 long *data = NULL;
1439
1440 if (XGetWindowProperty(dpy, wwin->client_win, net_wm_desktop, 0, 1, False,
1441 XA_CARDINAL, &type_ret, &fmt_ret, &nitems_ret,
1442 &bytes_after_ret, (unsigned char **)&data) == Success && data) {
1443
1444 long desktop = *data;
1445 XFree(data);
1446
1447 if (desktop == -1)
1448 wwin->client_flags.omnipresent = 1;
1449 else
1450 *workspace = desktop;
1451 }
1452
1453 if (XGetWindowProperty(dpy, wwin->client_win, net_wm_state, 0, 1, False,
1454 XA_ATOM, &type_ret, &fmt_ret, &nitems_ret,
1455 &bytes_after_ret, (unsigned char **)&data) == Success && data) {
1456
1457 Atom *state = (Atom *) data;
1458 for (i = 0; i < nitems_ret; ++i)
1459 doStateAtom(wwin, state[i], _NET_WM_STATE_ADD, True);
1460
1461 XFree(data);
1462 }
1463
1464 if (XGetWindowProperty(dpy, wwin->client_win, net_wm_window_type, 0, 1, False,
1465 XA_ATOM, &type_ret, &fmt_ret, &nitems_ret,
1466 &bytes_after_ret, (unsigned char **)&data) == Success && data) {
1467
1468 Atom *type = (Atom *) data;
1469 for (i = 0; i < nitems_ret; ++i) {
1470 if (handleWindowType(wwin, type[i], layer))
1471 break;
1472 }
1473 XFree(data);
1474 }
1475
1476 wNETWMUpdateActions(wwin, False);
1477 updateStrut(wwin->screen_ptr, wwin->client_win, False);
1478 updateStrut(wwin->screen_ptr, wwin->client_win, True);
1479
1480 wScreenUpdateUsableArea(wwin->screen_ptr);
1481 }
1482
updateNetIconInfo(WWindow * wwin)1483 static Bool updateNetIconInfo(WWindow *wwin)
1484 {
1485 Atom type_ret;
1486 int fmt_ret;
1487 unsigned long nitems_ret, bytes_after_ret;
1488 long *data = NULL;
1489 Bool hasState = False;
1490 Bool old_state = wwin->flags.net_handle_icon;
1491
1492 if (XGetWindowProperty(dpy, wwin->client_win, net_wm_handled_icons, 0, 1, False,
1493 XA_CARDINAL, &type_ret, &fmt_ret, &nitems_ret,
1494 &bytes_after_ret, (unsigned char **)&data) == Success && data) {
1495 long handled = *data;
1496 wwin->flags.net_handle_icon = (handled != 0);
1497 XFree(data);
1498 hasState = True;
1499
1500 } else {
1501 wwin->flags.net_handle_icon = False;
1502 }
1503
1504 if (XGetWindowProperty(dpy, wwin->client_win, net_wm_icon_geometry, 0, 4, False,
1505 XA_CARDINAL, &type_ret, &fmt_ret, &nitems_ret,
1506 &bytes_after_ret, (unsigned char **)&data) == Success && data) {
1507
1508 #ifdef NETWM_PROPER
1509 if (wwin->flags.net_handle_icon)
1510 #else
1511 wwin->flags.net_handle_icon = True;
1512 #endif
1513 {
1514 wwin->icon_x = data[0];
1515 wwin->icon_y = data[1];
1516 wwin->icon_w = data[2];
1517 wwin->icon_h = data[3];
1518 }
1519
1520 XFree(data);
1521 hasState = True;
1522
1523 } else {
1524 wwin->flags.net_handle_icon = False;
1525 }
1526
1527 if (wwin->flags.miniaturized && old_state != wwin->flags.net_handle_icon) {
1528 if (wwin->flags.net_handle_icon) {
1529 removeIcon(wwin);
1530 } else {
1531 wwin->flags.miniaturized = False;
1532 wwin->flags.skip_next_animation = True;
1533 wIconifyWindow(wwin);
1534 }
1535 }
1536
1537 return hasState;
1538 }
1539
wNETWMCheckInitialClientState(WWindow * wwin)1540 void wNETWMCheckInitialClientState(WWindow *wwin)
1541 {
1542 #ifdef DEBUG_WMSPEC
1543 wmessage("wNETWMCheckInitialClientState");
1544 #endif
1545
1546 wNETWMShowingDesktop(wwin->screen_ptr, False);
1547
1548 updateWindowType(wwin);
1549 updateNetIconInfo(wwin);
1550 updateIconImage(wwin);
1551 }
1552
wNETWMCheckInitialFrameState(WWindow * wwin)1553 void wNETWMCheckInitialFrameState(WWindow *wwin)
1554 {
1555 #ifdef DEBUG_WMSPEC
1556 wmessage("wNETWMCheckInitialFrameState");
1557 #endif
1558
1559 updateWindowOpacity(wwin);
1560 }
1561
handleDesktopNames(WScreen * scr)1562 static void handleDesktopNames(WScreen *scr)
1563 {
1564 unsigned long nitems_ret, bytes_after_ret;
1565 char *data, *names[32];
1566 int fmt_ret, i, n;
1567 Atom type_ret;
1568
1569 if (XGetWindowProperty(dpy, scr->root_win, net_desktop_names, 0, 1, False,
1570 utf8_string, &type_ret, &fmt_ret, &nitems_ret,
1571 &bytes_after_ret, (unsigned char **)&data) != Success)
1572 return;
1573
1574 if (data == NULL)
1575 return;
1576
1577 if (type_ret != utf8_string || fmt_ret != 8)
1578 return;
1579
1580 n = 0;
1581 names[n] = data;
1582 for (i = 0; i < nitems_ret; i++) {
1583 if (data[i] == 0) {
1584 n++;
1585 names[n] = &data[i];
1586 } else if (*names[n] == 0) {
1587 names[n] = &data[i];
1588 wWorkspaceRename(scr, n, names[n]);
1589 }
1590 }
1591 }
1592
wNETWMProcessClientMessage(XClientMessageEvent * event)1593 Bool wNETWMProcessClientMessage(XClientMessageEvent *event)
1594 {
1595 WScreen *scr;
1596 WWindow *wwin;
1597
1598 #ifdef DEBUG_WMSPEC
1599 wmessage("processClientMessage type %s", XGetAtomName(dpy, event->message_type));
1600 #endif
1601
1602 scr = wScreenForWindow(event->window);
1603 if (scr) {
1604 /* generic client messages */
1605 if (event->message_type == net_current_desktop) {
1606 wWorkspaceChange(scr, event->data.l[0]);
1607 return True;
1608
1609 } else if (event->message_type == net_number_of_desktops) {
1610 long value;
1611
1612 value = event->data.l[0];
1613 if (value > scr->workspace_count) {
1614 wWorkspaceMake(scr, value - scr->workspace_count);
1615 } else if (value < scr->workspace_count) {
1616 int i;
1617 Bool rebuild = False;
1618
1619 for (i = scr->workspace_count - 1; i >= value; i--) {
1620 if (!wWorkspaceDelete(scr, i)) {
1621 rebuild = True;
1622 break;
1623 }
1624 }
1625
1626 if (rebuild)
1627 updateWorkspaceCount(scr);
1628 }
1629 return True;
1630
1631 } else if (event->message_type == net_showing_desktop) {
1632 wNETWMShowingDesktop(scr, event->data.l[0]);
1633 return True;
1634
1635 } else if (event->message_type == net_desktop_names) {
1636 handleDesktopNames(scr);
1637 return True;
1638 }
1639 }
1640
1641 /* window specific client messages */
1642
1643 wwin = wWindowFor(event->window);
1644 if (!wwin)
1645 return False;
1646
1647 if (event->message_type == net_active_window) {
1648 /*
1649 * Satisfy a client's focus request only if
1650 * - request comes from a pager, or
1651 * - it's explicitly allowed in Advanced Options, or
1652 * - giving the client the focus does not cause a change in
1653 * the active workspace (XXX: or the active head if Xinerama)
1654 */
1655 if (wwin->frame->workspace == wwin->screen_ptr->current_workspace /* No workspace change */
1656 || event->data.l[0] == 2 /* Requested by pager */
1657 || WFLAGP(wwin, focus_across_wksp) /* Explicitly allowed */) {
1658 wNETWMShowingDesktop(scr, False);
1659 wMakeWindowVisible(wwin);
1660 }
1661 return True;
1662
1663 } else if (event->message_type == net_close_window) {
1664 if (!WFLAGP(wwin, no_closable)) {
1665 if (wwin->protocols.DELETE_WINDOW)
1666 wClientSendProtocol(wwin, w_global.atom.wm.delete_window,
1667 w_global.timestamp.last_event);
1668 }
1669 return True;
1670
1671 } else if (event->message_type == net_wm_state) {
1672 int maximized = wwin->flags.maximized;
1673 long set = event->data.l[0];
1674
1675 #ifdef DEBUG_WMSPEC
1676 wmessage("net_wm_state set %ld a1 %s a2 %s", set,
1677 XGetAtomName(dpy, event->data.l[1]), XGetAtomName(dpy, event->data.l[2]));
1678 #endif
1679
1680 doStateAtom(wwin, (Atom) event->data.l[1], set, False);
1681 if (event->data.l[2])
1682 doStateAtom(wwin, (Atom) event->data.l[2], set, False);
1683
1684 if (wwin->flags.maximized != maximized) {
1685 if (!wwin->flags.maximized) {
1686 wwin->flags.maximized = maximized;
1687 wUnmaximizeWindow(wwin);
1688 } else {
1689 wMaximizeWindow(wwin, wwin->flags.maximized,
1690 wGetHeadForWindow(wwin));
1691 }
1692 }
1693 updateStateHint(wwin, False, False);
1694 return True;
1695
1696 } else if (event->message_type == net_wm_handled_icons || event->message_type == net_wm_icon_geometry) {
1697 updateNetIconInfo(wwin);
1698 return True;
1699
1700 } else if (event->message_type == net_wm_desktop) {
1701 long desktop = event->data.l[0];
1702
1703 if (desktop == -1) {
1704 wWindowSetOmnipresent(wwin, True);
1705 } else {
1706 if (IS_OMNIPRESENT(wwin))
1707 wWindowSetOmnipresent(wwin, False);
1708 wWindowChangeWorkspace(wwin, desktop);
1709 }
1710 return True;
1711 }
1712
1713 return False;
1714 }
1715
wNETWMCheckClientHintChange(WWindow * wwin,XPropertyEvent * event)1716 void wNETWMCheckClientHintChange(WWindow *wwin, XPropertyEvent *event)
1717 {
1718 #ifdef DEBUG_WMSPEC
1719 wmessage("clientHintChange type %s", XGetAtomName(dpy, event->atom));
1720 #endif
1721
1722 if (event->atom == net_wm_strut || event->atom == net_wm_strut_partial) {
1723 updateStrut(wwin->screen_ptr, wwin->client_win, False);
1724 updateStrut(wwin->screen_ptr, wwin->client_win, True);
1725 wScreenUpdateUsableArea(wwin->screen_ptr);
1726 } else if (event->atom == net_wm_handled_icons || event->atom == net_wm_icon_geometry) {
1727 updateNetIconInfo(wwin);
1728 } else if (event->atom == net_wm_window_type) {
1729 updateWindowType(wwin);
1730 } else if (event->atom == net_wm_name) {
1731 char *name = wNETWMGetWindowName(wwin->client_win);
1732 wWindowUpdateName(wwin, name);
1733 if (name)
1734 wfree(name);
1735 } else if (event->atom == net_wm_icon_name) {
1736 if (wwin->icon) {
1737 wIconChangeTitle(wwin->icon, wwin);
1738 wIconPaint(wwin->icon);
1739 }
1740 } else if (event->atom == net_wm_icon) {
1741 updateIconImage(wwin);
1742 } else if (event->atom == net_wm_window_opacity) {
1743 updateWindowOpacity(wwin);
1744 }
1745 }
1746
wNETWMGetPidForWindow(Window window)1747 int wNETWMGetPidForWindow(Window window)
1748 {
1749 Atom type_ret;
1750 int fmt_ret;
1751 unsigned long nitems_ret, bytes_after_ret;
1752 long *data = NULL;
1753 int pid;
1754
1755 if (XGetWindowProperty(dpy, window, net_wm_pid, 0, 1, False,
1756 XA_CARDINAL, &type_ret, &fmt_ret, &nitems_ret,
1757 &bytes_after_ret, (unsigned char **)&data) == Success && data) {
1758 pid = *data;
1759 XFree(data);
1760 } else {
1761 pid = 0;
1762 }
1763
1764 return pid;
1765 }
1766
wNETWMGetWindowName(Window window)1767 char *wNETWMGetWindowName(Window window)
1768 {
1769 char *name;
1770 char *ret;
1771 int size;
1772
1773 name = (char *)PropGetCheckProperty(window, net_wm_name, utf8_string, 0, 0, &size);
1774 if (name) {
1775 ret = wstrndup(name, size);
1776 XFree(name);
1777 } else {
1778 ret = NULL;
1779 }
1780
1781 return ret;
1782 }
1783
wNETWMGetIconName(Window window)1784 char *wNETWMGetIconName(Window window)
1785 {
1786 char *name;
1787 char *ret;
1788 int size;
1789
1790 name = (char *)PropGetCheckProperty(window, net_wm_icon_name, utf8_string, 0, 0, &size);
1791 if (name) {
1792 ret = wstrndup(name, size);
1793 XFree(name);
1794 } else {
1795 ret = NULL;
1796 }
1797
1798 return ret;
1799 }
1800
observer(void * self,WMNotification * notif)1801 static void observer(void *self, WMNotification *notif)
1802 {
1803 WWindow *wwin = (WWindow *) WMGetNotificationObject(notif);
1804 const char *name = WMGetNotificationName(notif);
1805 void *data = WMGetNotificationClientData(notif);
1806 NetData *ndata = (NetData *) self;
1807
1808 if (strcmp(name, WMNManaged) == 0 && wwin) {
1809 updateClientList(wwin->screen_ptr);
1810 updateClientListStacking(wwin->screen_ptr, NULL);
1811 updateStateHint(wwin, True, False);
1812
1813 updateStrut(wwin->screen_ptr, wwin->client_win, False);
1814 updateStrut(wwin->screen_ptr, wwin->client_win, True);
1815 wScreenUpdateUsableArea(wwin->screen_ptr);
1816 } else if (strcmp(name, WMNUnmanaged) == 0 && wwin) {
1817 updateClientList(wwin->screen_ptr);
1818 updateClientListStacking(wwin->screen_ptr, wwin);
1819 updateWorkspaceHint(wwin, False, True);
1820 updateStateHint(wwin, False, True);
1821 wNETWMUpdateActions(wwin, True);
1822
1823 updateStrut(wwin->screen_ptr, wwin->client_win, False);
1824 wScreenUpdateUsableArea(wwin->screen_ptr);
1825 } else if (strcmp(name, WMNResetStacking) == 0 && wwin) {
1826 updateClientListStacking(wwin->screen_ptr, NULL);
1827 updateStateHint(wwin, False, False);
1828 } else if (strcmp(name, WMNChangedStacking) == 0 && wwin) {
1829 updateClientListStacking(wwin->screen_ptr, NULL);
1830 updateStateHint(wwin, False, False);
1831 } else if (strcmp(name, WMNChangedFocus) == 0) {
1832 updateFocusHint(ndata->scr);
1833 } else if (strcmp(name, WMNChangedWorkspace) == 0 && wwin) {
1834 updateWorkspaceHint(wwin, False, False);
1835 updateStateHint(wwin, True, False);
1836 } else if (strcmp(name, WMNChangedState) == 0 && wwin) {
1837 updateStateHint(wwin, !strcmp(data, "omnipresent"), False);
1838 }
1839 }
1840
wsobserver(void * self,WMNotification * notif)1841 static void wsobserver(void *self, WMNotification *notif)
1842 {
1843 WScreen *scr = (WScreen *) WMGetNotificationObject(notif);
1844 const char *name = WMGetNotificationName(notif);
1845
1846 /* Parameter not used, but tell the compiler that it is ok */
1847 (void) self;
1848
1849 if (strcmp(name, WMNWorkspaceCreated) == 0) {
1850 updateWorkspaceCount(scr);
1851 updateWorkspaceNames(scr);
1852 wNETWMUpdateWorkarea(scr);
1853 } else if (strcmp(name, WMNWorkspaceDestroyed) == 0) {
1854 updateWorkspaceCount(scr);
1855 updateWorkspaceNames(scr);
1856 wNETWMUpdateWorkarea(scr);
1857 } else if (strcmp(name, WMNWorkspaceChanged) == 0) {
1858 updateCurrentWorkspace(scr);
1859 } else if (strcmp(name, WMNWorkspaceNameChanged) == 0) {
1860 updateWorkspaceNames(scr);
1861 }
1862 }
1863
wNETFrameExtents(WWindow * wwin)1864 void wNETFrameExtents(WWindow *wwin)
1865 {
1866 long extents[4] = { 0, 0, 0, 0 };
1867
1868 /* The extents array describes dimensions which are not
1869 * part of the client window. In our case that means
1870 * widths of the border and heights of the titlebar and resizebar.
1871 *
1872 * Index 0 = left
1873 * 1 = right
1874 * 2 = top
1875 * 3 = bottom
1876 */
1877 if (wwin->frame->titlebar)
1878 extents[2] = wwin->frame->titlebar->height;
1879 if (wwin->frame->resizebar)
1880 extents[3] = wwin->frame->resizebar->height;
1881 if (HAS_BORDER(wwin)) {
1882 extents[0] += wwin->screen_ptr->frame_border_width;
1883 extents[1] += wwin->screen_ptr->frame_border_width;
1884 extents[2] += wwin->screen_ptr->frame_border_width;
1885 extents[3] += wwin->screen_ptr->frame_border_width;
1886 }
1887
1888 XChangeProperty(dpy, wwin->client_win, net_frame_extents, XA_CARDINAL, 32, PropModeReplace, (unsigned char *) extents, 4);
1889 }
1890
wNETCleanupFrameExtents(WWindow * wwin)1891 void wNETCleanupFrameExtents(WWindow *wwin)
1892 {
1893 XDeleteProperty(dpy, wwin->client_win, net_frame_extents);
1894 }
1895