]> Dogcows Code - chaz/openbox/blob - openbox/screen.c
more build fixes, calling the other makefiles instead of including them
[chaz/openbox] / openbox / screen.c
1 #include "openbox.h"
2 #include "prop.h"
3 #include "screen.h"
4 #include "client.h"
5 #include "frame.h"
6 #include "engine.h"
7 #include "focus.h"
8 #include "dispatch.h"
9 #include "../render/render.h"
10
11 #include <X11/Xlib.h>
12 #ifdef HAVE_UNISTD_H
13 # include <sys/types.h>
14 # include <unistd.h>
15 #endif
16
17 /*! The event mask to grab on the root window */
18 #define ROOT_EVENTMASK (/*ColormapChangeMask |*/ PropertyChangeMask | \
19 EnterWindowMask | LeaveWindowMask | \
20 SubstructureNotifyMask | SubstructureRedirectMask | \
21 ButtonPressMask | ButtonReleaseMask | ButtonMotionMask)
22
23 guint screen_num_desktops = 0;
24 guint screen_desktop = 0;
25 Size screen_physical_size;
26 gboolean screen_showing_desktop;
27 DesktopLayout screen_desktop_layout;
28 GPtrArray *screen_desktop_names;
29
30 static Rect *area = NULL;
31 static Strut *strut = NULL;
32 static Window support_window = None;
33
34 static void screen_update_area();
35
36 static gboolean running;
37 static int another_running(Display *d, XErrorEvent *e)
38 {
39 (void)d;(void)e;
40 g_message("A window manager is already running on screen %d",
41 ob_screen);
42 running = TRUE;
43 return -1;
44 }
45
46 gboolean screen_annex()
47 {
48 XErrorHandler old;
49 pid_t pid;
50 int i, num_support;
51 Atom *supported;
52
53 running = FALSE;
54 old = XSetErrorHandler(another_running);
55 XSelectInput(ob_display, ob_root, ROOT_EVENTMASK);
56 XSync(ob_display, FALSE);
57 XSetErrorHandler(old);
58 if (running)
59 return FALSE;
60
61 g_message("Managing screen %d", ob_screen);
62
63 /* set the mouse cursor for the root window (the default cursor) */
64 XDefineCursor(ob_display, ob_root, ob_cursors.left_ptr);
65
66 /* set the OPENBOX_PID hint */
67 pid = getpid();
68 PROP_SET32(ob_root, openbox_pid, cardinal, pid);
69
70 /* create the netwm support window */
71 support_window = XCreateSimpleWindow(ob_display, ob_root, 0,0,1,1,0,0,0);
72
73 /* set supporting window */
74 PROP_SET32(ob_root, net_supporting_wm_check, window, support_window);
75
76 /* set properties on the supporting window */
77 PROP_SETS(support_window, net_wm_name, utf8, "Openbox");
78 PROP_SET32(support_window, net_supporting_wm_check, window,support_window);
79
80 /* set the _NET_SUPPORTED_ATOMS hint */
81 num_support = 48;
82 i = 0;
83 supported = g_new(Atom, num_support);
84 supported[i++] = prop_atoms.net_current_desktop;
85 supported[i++] = prop_atoms.net_number_of_desktops;
86 supported[i++] = prop_atoms.net_desktop_geometry;
87 supported[i++] = prop_atoms.net_desktop_viewport;
88 supported[i++] = prop_atoms.net_active_window;
89 supported[i++] = prop_atoms.net_workarea;
90 supported[i++] = prop_atoms.net_client_list;
91 supported[i++] = prop_atoms.net_client_list_stacking;
92 supported[i++] = prop_atoms.net_desktop_names;
93 supported[i++] = prop_atoms.net_close_window;
94 supported[i++] = prop_atoms.net_desktop_layout;
95 supported[i++] = prop_atoms.net_showing_desktop;
96 supported[i++] = prop_atoms.net_wm_name;
97 supported[i++] = prop_atoms.net_wm_visible_name;
98 supported[i++] = prop_atoms.net_wm_icon_name;
99 supported[i++] = prop_atoms.net_wm_visible_icon_name;
100 supported[i++] = prop_atoms.net_wm_desktop;
101 supported[i++] = prop_atoms.net_wm_strut;
102 supported[i++] = prop_atoms.net_wm_window_type;
103 supported[i++] = prop_atoms.net_wm_window_type_desktop;
104 supported[i++] = prop_atoms.net_wm_window_type_dock;
105 supported[i++] = prop_atoms.net_wm_window_type_toolbar;
106 supported[i++] = prop_atoms.net_wm_window_type_menu;
107 supported[i++] = prop_atoms.net_wm_window_type_utility;
108 supported[i++] = prop_atoms.net_wm_window_type_splash;
109 supported[i++] = prop_atoms.net_wm_window_type_dialog;
110 supported[i++] = prop_atoms.net_wm_window_type_normal;
111 supported[i++] = prop_atoms.net_wm_allowed_actions;
112 supported[i++] = prop_atoms.net_wm_action_move;
113 supported[i++] = prop_atoms.net_wm_action_resize;
114 supported[i++] = prop_atoms.net_wm_action_minimize;
115 supported[i++] = prop_atoms.net_wm_action_shade;
116 supported[i++] = prop_atoms.net_wm_action_maximize_horz;
117 supported[i++] = prop_atoms.net_wm_action_maximize_vert;
118 supported[i++] = prop_atoms.net_wm_action_fullscreen;
119 supported[i++] = prop_atoms.net_wm_action_change_desktop;
120 supported[i++] = prop_atoms.net_wm_action_close;
121 supported[i++] = prop_atoms.net_wm_state;
122 supported[i++] = prop_atoms.net_wm_state_modal;
123 supported[i++] = prop_atoms.net_wm_state_maximized_vert;
124 supported[i++] = prop_atoms.net_wm_state_maximized_horz;
125 supported[i++] = prop_atoms.net_wm_state_shaded;
126 supported[i++] = prop_atoms.net_wm_state_skip_taskbar;
127 supported[i++] = prop_atoms.net_wm_state_skip_pager;
128 supported[i++] = prop_atoms.net_wm_state_hidden;
129 supported[i++] = prop_atoms.net_wm_state_fullscreen;
130 supported[i++] = prop_atoms.net_wm_state_above;
131 supported[i++] = prop_atoms.net_wm_state_below;
132 g_assert(i == num_support);
133 /*
134 supported[] = prop_atoms.net_wm_moveresize;
135 supported[] = prop_atoms.net_wm_moveresize_size_topleft;
136 supported[] = prop_atoms.net_wm_moveresize_size_topright;
137 supported[] = prop_atoms.net_wm_moveresize_size_bottomleft;
138 supported[] = prop_atoms.net_wm_moveresize_size_bottomright;
139 supported[] = prop_atoms.net_wm_moveresize_move;
140 supported[] = prop_atoms.net_wm_action_stick;
141 */
142
143 PROP_SET32A(ob_root, net_supported, atom, supported, num_support);
144 g_free(supported);
145
146 return TRUE;
147 }
148
149 void screen_startup()
150 {
151 screen_desktop_names = g_ptr_array_new();
152
153 /* get the initial size */
154 screen_resize();
155
156 screen_num_desktops = 0;
157 screen_set_num_desktops(4);
158 screen_desktop = 0;
159 screen_set_desktop(0);
160
161 /* don't start in showing-desktop mode */
162 screen_showing_desktop = FALSE;
163 PROP_SET32(ob_root, net_showing_desktop, cardinal, screen_showing_desktop);
164
165 screen_update_layout();
166 }
167
168 void screen_shutdown()
169 {
170 guint i;
171
172 XSelectInput(ob_display, ob_root, NoEventMask);
173
174 PROP_ERASE(ob_root, openbox_pid); /* we're not running here no more! */
175 PROP_ERASE(ob_root, net_supported); /* not without us */
176 PROP_ERASE(ob_root, net_showing_desktop); /* don't keep this mode */
177
178 XDestroyWindow(ob_display, support_window);
179
180 for (i = 0; i < screen_desktop_names->len; ++i)
181 g_free(g_ptr_array_index(screen_desktop_names, i));
182 g_ptr_array_free(screen_desktop_names, TRUE);
183 g_free(strut);
184 g_free(area);
185 }
186
187 void screen_resize()
188 {
189 /* XXX RandR support here? */
190 int geometry[2];
191
192 /* Set the _NET_DESKTOP_GEOMETRY hint */
193 geometry[0] = WidthOfScreen(ScreenOfDisplay(ob_display, ob_screen));
194 geometry[1] = HeightOfScreen(ScreenOfDisplay(ob_display, ob_screen));
195 PROP_SET32A(ob_root, net_desktop_geometry, cardinal, geometry, 2);
196 screen_physical_size.width = geometry[0];
197 screen_physical_size.height = geometry[1];
198
199 if (ob_state == State_Starting)
200 return;
201
202 screen_update_struts();
203
204 /* XXX adjust more stuff ? */
205 }
206
207 void screen_set_num_desktops(guint num)
208 {
209 guint i, old;
210 gulong *viewport;
211 GSList *it;
212
213 g_assert(num > 0);
214
215 old = screen_num_desktops;
216 screen_num_desktops = num;
217 PROP_SET32(ob_root, net_number_of_desktops, cardinal, num);
218
219 /* set the viewport hint */
220 viewport = g_new0(gulong, num * 2);
221 PROP_SET32A(ob_root, net_desktop_viewport, cardinal, viewport, num * 2);
222 g_free(viewport);
223
224 /* change our struts/area to match */
225 screen_update_struts();
226
227 /* the number of rows/columns will differ */
228 screen_update_layout();
229
230 /* may be some unnamed desktops that we need to fill in with names */
231 screen_update_desktop_names();
232
233 /* update the focus lists */
234 /* free our lists for the desktops which have disappeared */
235 for (i = num; i < old; ++i)
236 g_list_free(focus_order[i]);
237 /* realloc the array */
238 focus_order = g_renew(GList*, focus_order, num);
239 /* set the new lists to be empty */
240 for (i = old; i < num; ++i)
241 focus_order[i] = NULL;
242
243 /* move windows on desktops that will no longer exist! */
244 for (it = client_list; it != NULL; it = it->next) {
245 Client *c = it->data;
246 if (c->desktop >= num)
247 client_set_desktop(c, num - 1, FALSE);
248 }
249
250 dispatch_ob(Event_Ob_NumDesktops, num, old);
251
252 /* change our desktop if we're on one that no longer exists! */
253 if (screen_desktop >= screen_num_desktops)
254 screen_set_desktop(num - 1);
255 }
256
257 void screen_set_desktop(guint num)
258 {
259 GList *it;
260 guint old;
261 XEvent e;
262
263 g_assert(num < screen_num_desktops);
264
265 old = screen_desktop;
266 screen_desktop = num;
267 PROP_SET32(ob_root, net_current_desktop, cardinal, num);
268
269 if (old == num) return;
270
271 g_message("Moving to desktop %d", num+1);
272
273 /* show windows before hiding the rest to lessen the enter/leave events */
274
275 /* show windows from top to bottom */
276 for (it = stacking_list; it != NULL; it = it->next) {
277 Client *c = it->data;
278 if (!c->frame->visible && client_should_show(c))
279 engine_frame_show(c->frame);
280 }
281
282 /* hide windows from bottom to top */
283 for (it = g_list_last(stacking_list); it != NULL; it = it->prev) {
284 Client *c = it->data;
285 if (c->frame->visible && !client_should_show(c))
286 engine_frame_hide(c->frame);
287 }
288
289 /* focus the last focused window on the desktop, and ignore enter events
290 from the switch so it doesnt mess with the focus */
291 XSync(ob_display, FALSE);
292 while (XCheckTypedEvent(ob_display, EnterNotify, &e));
293 focus_fallback(TRUE);
294
295 dispatch_ob(Event_Ob_Desktop, num, old);
296 }
297
298 void screen_update_layout()
299 {
300 unsigned long *data = NULL;
301
302 /* defaults */
303 screen_desktop_layout.orientation = prop_atoms.net_wm_orientation_horz;
304 screen_desktop_layout.start_corner = prop_atoms.net_wm_topleft;
305 screen_desktop_layout.rows = 1;
306 screen_desktop_layout.columns = screen_num_desktops;
307
308 if (PROP_GET32A(ob_root, net_desktop_layout, cardinal, data, 4)) {
309 if (data[0] == prop_atoms.net_wm_orientation_vert)
310 screen_desktop_layout.orientation = data[0];
311 if (data[3] == prop_atoms.net_wm_topright)
312 screen_desktop_layout.start_corner = data[3];
313 else if (data[3] == prop_atoms.net_wm_bottomright)
314 screen_desktop_layout.start_corner = data[3];
315 else if (data[3] == prop_atoms.net_wm_bottomleft)
316 screen_desktop_layout.start_corner = data[3];
317
318 /* fill in a zero rows/columns */
319 if (!(data[1] == 0 && data[2] == 0)) { /* both 0's is bad data.. */
320 if (data[1] == 0) {
321 data[1] = (screen_num_desktops +
322 screen_num_desktops % data[2]) / data[2];
323 } else if (data[2] == 0) {
324 data[2] = (screen_num_desktops +
325 screen_num_desktops % data[1]) / data[1];
326 }
327 screen_desktop_layout.columns = data[1];
328 screen_desktop_layout.rows = data[2];
329 }
330
331 /* bounds checking */
332 if (screen_desktop_layout.orientation ==
333 prop_atoms.net_wm_orientation_horz) {
334 if (screen_desktop_layout.rows > screen_num_desktops)
335 screen_desktop_layout.rows = screen_num_desktops;
336 if (screen_desktop_layout.columns > ((screen_num_desktops +
337 screen_num_desktops %
338 screen_desktop_layout.rows) /
339 screen_desktop_layout.rows))
340 screen_desktop_layout.columns =
341 (screen_num_desktops + screen_num_desktops %
342 screen_desktop_layout.rows) /
343 screen_desktop_layout.rows;
344 } else {
345 if (screen_desktop_layout.columns > screen_num_desktops)
346 screen_desktop_layout.columns = screen_num_desktops;
347 if (screen_desktop_layout.rows > ((screen_num_desktops +
348 screen_num_desktops %
349 screen_desktop_layout.columns) /
350 screen_desktop_layout.columns))
351 screen_desktop_layout.rows =
352 (screen_num_desktops + screen_num_desktops %
353 screen_desktop_layout.columns) /
354 screen_desktop_layout.columns;
355 }
356 g_free(data);
357 }
358 }
359
360 void screen_update_desktop_names()
361 {
362 guint i;
363
364 /* empty the array */
365 for (i = 0; i < screen_desktop_names->len; ++i)
366 g_free(g_ptr_array_index(screen_desktop_names, i));
367 g_ptr_array_set_size(screen_desktop_names, 0);
368
369 PROP_GETSA(ob_root, net_desktop_names, utf8, screen_desktop_names);
370
371 while (screen_desktop_names->len < screen_num_desktops)
372 g_ptr_array_add(screen_desktop_names, g_strdup("Unnamed Desktop"));
373 }
374
375 void screen_show_desktop(gboolean show)
376 {
377 GList *it;
378
379 if (show == screen_showing_desktop) return; /* no change */
380
381 screen_showing_desktop = show;
382
383 if (show) {
384 /* bottom to top */
385 for (it = g_list_last(stacking_list); it != NULL; it = it->prev) {
386 Client *client = it->data;
387 if (client->frame->visible && !client_should_show(client))
388 engine_frame_hide(client->frame);
389 }
390 } else {
391 /* top to bottom */
392 for (it = stacking_list; it != NULL; it = it->next) {
393 Client *client = it->data;
394 if (!client->frame->visible && client_should_show(client))
395 engine_frame_show(client->frame);
396 }
397 }
398
399 show = !!show; /* make it boolean */
400 PROP_SET32(ob_root, net_showing_desktop, cardinal, show);
401
402 dispatch_ob(Event_Ob_ShowDesktop, show, 0);
403 }
404
405 void screen_install_colormap(Client *client, gboolean install)
406 {
407 XWindowAttributes wa;
408
409 if (client == NULL) {
410 if (install)
411 XInstallColormap(ob_display, render_colormap);
412 else
413 XUninstallColormap(ob_display, render_colormap);
414 } else {
415 if (XGetWindowAttributes(ob_display, client->window, &wa) &&
416 wa.colormap != None) {
417 if (install)
418 XInstallColormap(ob_display, wa.colormap);
419 else
420 XUninstallColormap(ob_display, wa.colormap);
421 }
422 }
423 }
424
425 void screen_update_struts()
426 {
427 GSList *it;
428 guint i;
429
430 g_free(strut);
431 strut = g_new0(Strut, screen_num_desktops + 1);
432
433 for (it = client_list; it != NULL; it = it->next) {
434 Client *c = it->data;
435 if (c->iconic) continue; /* these dont count in the strut */
436
437 if (c->desktop == 0xffffffff) {
438 for (i = 0; i < screen_num_desktops; ++i)
439 STRUT_ADD(strut[i], c->strut);
440 } else {
441 g_assert(c->desktop < screen_num_desktops);
442 STRUT_ADD(strut[c->desktop], c->strut);
443 }
444 /* apply to the 'all desktops' strut */
445 STRUT_ADD(strut[screen_num_desktops], c->strut);
446 }
447 screen_update_area();
448 }
449
450 static void screen_update_area()
451 {
452 guint i;
453 gulong *dims;
454
455 g_free(area);
456 area = g_new0(Rect, screen_num_desktops + 1);
457
458 dims = g_new(unsigned long, 4 * screen_num_desktops);
459 for (i = 0; i < screen_num_desktops + 1; ++i) {
460 Rect old_area = area[i];
461 /*
462 #ifdef XINERAMA
463 // reset to the full areas
464 if (isXineramaActive())
465 xineramaUsableArea = getXineramaAreas();
466 #endif // XINERAMA
467 */
468
469 RECT_SET(area[i], strut[i].left, strut[i].top,
470 screen_physical_size.width - (strut[i].left +
471 strut[i].right),
472 screen_physical_size.height - (strut[i].top +
473 strut[i].bottom));
474
475 /*
476 #ifdef XINERAMA
477 if (isXineramaActive()) {
478 // keep each of the ximerama-defined areas inside the strut
479 RectList::iterator xit, xend = xineramaUsableArea.end();
480 for (xit = xineramaUsableArea.begin(); xit != xend; ++xit) {
481 if (xit->x() < usableArea.x()) {
482 xit->setX(usableArea.x());
483 xit->setWidth(xit->width() - usableArea.x());
484 }
485 if (xit->y() < usableArea.y()) {
486 xit->setY(usableArea.y());
487 xit->setHeight(xit->height() - usableArea.y());
488 }
489 if (xit->x() + xit->width() > usableArea.width())
490 xit->setWidth(usableArea.width() - xit->x());
491 if (xit->y() + xit->height() > usableArea.height())
492 xit->setHeight(usableArea.height() - xit->y());
493 }
494 }
495 #endif // XINERAMA
496 */
497 if (!RECT_EQUAL(old_area, area[i])) {
498 /* the area has changed, adjust all the maximized windows */
499 GSList *it;
500 for (it = client_list; it; it = it->next) {
501 Client *c = it->data;
502 if (i < screen_num_desktops) {
503 if (c->desktop == i)
504 client_remaximize(c);
505 } else {
506 /* the 'all desktops' size */
507 if (c->desktop == DESKTOP_ALL)
508 client_remaximize(c);
509 }
510 }
511 }
512
513 /* don't set these for the 'all desktops' area */
514 if (i < screen_num_desktops) {
515 dims[(i * 4) + 0] = area[i].x;
516 dims[(i * 4) + 1] = area[i].y;
517 dims[(i * 4) + 2] = area[i].width;
518 dims[(i * 4) + 3] = area[i].height;
519 }
520 }
521 PROP_SET32A(ob_root, net_workarea, cardinal,
522 dims, 4 * screen_num_desktops);
523 g_free(dims);
524 }
525
526 Rect *screen_area(guint desktop)
527 {
528 if (desktop >= screen_num_desktops) {
529 if (desktop == DESKTOP_ALL)
530 return &area[screen_num_desktops];
531 return NULL;
532 }
533 return &area[desktop];
534 }
535
536 Strut *screen_strut(guint desktop)
537 {
538 if (desktop >= screen_num_desktops) {
539 if (desktop == DESKTOP_ALL)
540 return &strut[screen_num_desktops];
541 return NULL;
542 }
543 return &strut[desktop];
544 }
This page took 0.062715 seconds and 4 git commands to generate.