10 #include "../render/render.h"
14 # include <sys/types.h>
18 /*! The event mask to grab on the root window */
19 #define ROOT_EVENTMASK (/*ColormapChangeMask |*/ PropertyChangeMask | \
20 EnterWindowMask | LeaveWindowMask | \
21 SubstructureNotifyMask | SubstructureRedirectMask | \
22 ButtonPressMask | ButtonReleaseMask | ButtonMotionMask)
24 guint screen_num_desktops = 0;
25 guint screen_desktop = 0;
26 Size screen_physical_size;
27 gboolean screen_showing_desktop;
28 DesktopLayout screen_desktop_layout;
29 GPtrArray *screen_desktop_names;
31 static Rect *area = NULL;
32 static Strut *strut = NULL;
33 static Window support_window = None;
35 static void screen_update_area();
37 static gboolean running;
38 static int another_running(Display *d, XErrorEvent *e)
41 g_message("A window manager is already running on screen %d",
47 gboolean screen_annex()
55 old = XSetErrorHandler(another_running);
56 XSelectInput(ob_display, ob_root, ROOT_EVENTMASK);
57 XSync(ob_display, FALSE);
58 XSetErrorHandler(old);
62 g_message("Managing screen %d", ob_screen);
64 /* set the mouse cursor for the root window (the default cursor) */
65 XDefineCursor(ob_display, ob_root, ob_cursors.left_ptr);
67 /* set the OPENBOX_PID hint */
69 PROP_SET32(ob_root, openbox_pid, cardinal, pid);
71 /* create the netwm support window */
72 support_window = XCreateSimpleWindow(ob_display, ob_root, 0,0,1,1,0,0,0);
74 /* set supporting window */
75 PROP_SET32(ob_root, net_supporting_wm_check, window, support_window);
77 /* set properties on the supporting window */
78 PROP_SETS(support_window, net_wm_name, utf8, "Openbox");
79 PROP_SET32(support_window, net_supporting_wm_check, window,support_window);
81 /* set the _NET_SUPPORTED_ATOMS hint */
84 supported = g_new(Atom, num_support);
85 supported[i++] = prop_atoms.net_current_desktop;
86 supported[i++] = prop_atoms.net_number_of_desktops;
87 supported[i++] = prop_atoms.net_desktop_geometry;
88 supported[i++] = prop_atoms.net_desktop_viewport;
89 supported[i++] = prop_atoms.net_active_window;
90 supported[i++] = prop_atoms.net_workarea;
91 supported[i++] = prop_atoms.net_client_list;
92 supported[i++] = prop_atoms.net_client_list_stacking;
93 supported[i++] = prop_atoms.net_desktop_names;
94 supported[i++] = prop_atoms.net_close_window;
95 supported[i++] = prop_atoms.net_desktop_layout;
96 supported[i++] = prop_atoms.net_showing_desktop;
97 supported[i++] = prop_atoms.net_wm_name;
98 supported[i++] = prop_atoms.net_wm_visible_name;
99 supported[i++] = prop_atoms.net_wm_icon_name;
100 supported[i++] = prop_atoms.net_wm_visible_icon_name;
101 supported[i++] = prop_atoms.net_wm_desktop;
102 supported[i++] = prop_atoms.net_wm_strut;
103 supported[i++] = prop_atoms.net_wm_window_type;
104 supported[i++] = prop_atoms.net_wm_window_type_desktop;
105 supported[i++] = prop_atoms.net_wm_window_type_dock;
106 supported[i++] = prop_atoms.net_wm_window_type_toolbar;
107 supported[i++] = prop_atoms.net_wm_window_type_menu;
108 supported[i++] = prop_atoms.net_wm_window_type_utility;
109 supported[i++] = prop_atoms.net_wm_window_type_splash;
110 supported[i++] = prop_atoms.net_wm_window_type_dialog;
111 supported[i++] = prop_atoms.net_wm_window_type_normal;
112 supported[i++] = prop_atoms.net_wm_allowed_actions;
113 supported[i++] = prop_atoms.net_wm_action_move;
114 supported[i++] = prop_atoms.net_wm_action_resize;
115 supported[i++] = prop_atoms.net_wm_action_minimize;
116 supported[i++] = prop_atoms.net_wm_action_shade;
117 supported[i++] = prop_atoms.net_wm_action_maximize_horz;
118 supported[i++] = prop_atoms.net_wm_action_maximize_vert;
119 supported[i++] = prop_atoms.net_wm_action_fullscreen;
120 supported[i++] = prop_atoms.net_wm_action_change_desktop;
121 supported[i++] = prop_atoms.net_wm_action_close;
122 supported[i++] = prop_atoms.net_wm_state;
123 supported[i++] = prop_atoms.net_wm_state_modal;
124 supported[i++] = prop_atoms.net_wm_state_maximized_vert;
125 supported[i++] = prop_atoms.net_wm_state_maximized_horz;
126 supported[i++] = prop_atoms.net_wm_state_shaded;
127 supported[i++] = prop_atoms.net_wm_state_skip_taskbar;
128 supported[i++] = prop_atoms.net_wm_state_skip_pager;
129 supported[i++] = prop_atoms.net_wm_state_hidden;
130 supported[i++] = prop_atoms.net_wm_state_fullscreen;
131 supported[i++] = prop_atoms.net_wm_state_above;
132 supported[i++] = prop_atoms.net_wm_state_below;
133 g_assert(i == num_support);
135 supported[] = prop_atoms.net_wm_moveresize;
136 supported[] = prop_atoms.net_wm_moveresize_size_topleft;
137 supported[] = prop_atoms.net_wm_moveresize_size_topright;
138 supported[] = prop_atoms.net_wm_moveresize_size_bottomleft;
139 supported[] = prop_atoms.net_wm_moveresize_size_bottomright;
140 supported[] = prop_atoms.net_wm_moveresize_move;
141 supported[] = prop_atoms.net_wm_action_stick;
144 PROP_SET32A(ob_root, net_supported, atom, supported, num_support);
150 void screen_startup()
154 screen_desktop_names = g_ptr_array_new();
156 /* get the initial size */
160 for (it = config_desktops_names; it; it = it->next)
161 g_ptr_array_add(screen_desktop_names, it->data); /* dont strdup */
162 PROP_SETSA(ob_root, net_desktop_names, utf8, screen_desktop_names);
163 g_ptr_array_set_size(screen_desktop_names, 0); /* rm the ptrs so they dont
167 screen_num_desktops = 0;
168 screen_set_num_desktops(config_desktops_num);
170 screen_set_desktop(0);
172 /* don't start in showing-desktop mode */
173 screen_showing_desktop = FALSE;
174 PROP_SET32(ob_root, net_showing_desktop, cardinal, screen_showing_desktop);
176 screen_update_layout();
179 void screen_shutdown()
183 XSelectInput(ob_display, ob_root, NoEventMask);
185 PROP_ERASE(ob_root, openbox_pid); /* we're not running here no more! */
186 PROP_ERASE(ob_root, net_supported); /* not without us */
187 PROP_ERASE(ob_root, net_showing_desktop); /* don't keep this mode */
189 XDestroyWindow(ob_display, support_window);
191 for (i = 0; i < screen_desktop_names->len; ++i)
192 g_free(g_ptr_array_index(screen_desktop_names, i));
193 g_ptr_array_free(screen_desktop_names, TRUE);
200 /* XXX RandR support here? */
203 /* Set the _NET_DESKTOP_GEOMETRY hint */
204 geometry[0] = WidthOfScreen(ScreenOfDisplay(ob_display, ob_screen));
205 geometry[1] = HeightOfScreen(ScreenOfDisplay(ob_display, ob_screen));
206 PROP_SET32A(ob_root, net_desktop_geometry, cardinal, geometry, 2);
207 screen_physical_size.width = geometry[0];
208 screen_physical_size.height = geometry[1];
210 if (ob_state == State_Starting)
213 screen_update_struts();
215 /* XXX adjust more stuff ? */
218 void screen_set_num_desktops(guint num)
226 old = screen_num_desktops;
227 screen_num_desktops = num;
228 PROP_SET32(ob_root, net_number_of_desktops, cardinal, num);
230 /* set the viewport hint */
231 viewport = g_new0(gulong, num * 2);
232 PROP_SET32A(ob_root, net_desktop_viewport, cardinal, viewport, num * 2);
235 /* change our struts/area to match */
236 screen_update_struts();
238 /* the number of rows/columns will differ */
239 screen_update_layout();
241 /* may be some unnamed desktops that we need to fill in with names */
242 screen_update_desktop_names();
244 /* update the focus lists */
245 /* free our lists for the desktops which have disappeared */
246 for (i = num; i < old; ++i)
247 g_list_free(focus_order[i]);
248 /* realloc the array */
249 focus_order = g_renew(GList*, focus_order, num);
250 /* set the new lists to be empty */
251 for (i = old; i < num; ++i)
252 focus_order[i] = NULL;
254 /* move windows on desktops that will no longer exist! */
255 for (it = client_list; it != NULL; it = it->next) {
256 Client *c = it->data;
257 if (c->desktop >= num)
258 client_set_desktop(c, num - 1, FALSE);
261 dispatch_ob(Event_Ob_NumDesktops, num, old);
263 /* change our desktop if we're on one that no longer exists! */
264 if (screen_desktop >= screen_num_desktops)
265 screen_set_desktop(num - 1);
268 void screen_set_desktop(guint num)
274 g_assert(num < screen_num_desktops);
276 old = screen_desktop;
277 screen_desktop = num;
278 PROP_SET32(ob_root, net_current_desktop, cardinal, num);
280 if (old == num) return;
282 g_message("Moving to desktop %d", num+1);
284 /* show windows before hiding the rest to lessen the enter/leave events */
286 /* show windows from top to bottom */
287 for (it = stacking_list; it != NULL; it = it->next) {
288 Client *c = it->data;
289 if (!c->frame->visible && client_should_show(c))
290 engine_frame_show(c->frame);
293 /* hide windows from bottom to top */
294 for (it = g_list_last(stacking_list); it != NULL; it = it->prev) {
295 Client *c = it->data;
296 if (c->frame->visible && !client_should_show(c))
297 engine_frame_hide(c->frame);
300 /* focus the last focused window on the desktop, and ignore enter events
301 from the switch so it doesnt mess with the focus */
302 XSync(ob_display, FALSE);
303 while (XCheckTypedEvent(ob_display, EnterNotify, &e));
304 focus_fallback(Fallback_Desktop);
306 dispatch_ob(Event_Ob_Desktop, num, old);
309 void screen_update_layout()
311 unsigned long *data = NULL;
314 screen_desktop_layout.orientation = prop_atoms.net_wm_orientation_horz;
315 screen_desktop_layout.start_corner = prop_atoms.net_wm_topleft;
316 screen_desktop_layout.rows = 1;
317 screen_desktop_layout.columns = screen_num_desktops;
319 if (PROP_GET32A(ob_root, net_desktop_layout, cardinal, data, 4)) {
320 if (data[0] == prop_atoms.net_wm_orientation_vert)
321 screen_desktop_layout.orientation = data[0];
322 if (data[3] == prop_atoms.net_wm_topright)
323 screen_desktop_layout.start_corner = data[3];
324 else if (data[3] == prop_atoms.net_wm_bottomright)
325 screen_desktop_layout.start_corner = data[3];
326 else if (data[3] == prop_atoms.net_wm_bottomleft)
327 screen_desktop_layout.start_corner = data[3];
329 /* fill in a zero rows/columns */
330 if (!(data[1] == 0 && data[2] == 0)) { /* both 0's is bad data.. */
332 data[1] = (screen_num_desktops +
333 screen_num_desktops % data[2]) / data[2];
334 } else if (data[2] == 0) {
335 data[2] = (screen_num_desktops +
336 screen_num_desktops % data[1]) / data[1];
338 screen_desktop_layout.columns = data[1];
339 screen_desktop_layout.rows = data[2];
342 /* bounds checking */
343 if (screen_desktop_layout.orientation ==
344 prop_atoms.net_wm_orientation_horz) {
345 if (screen_desktop_layout.rows > screen_num_desktops)
346 screen_desktop_layout.rows = screen_num_desktops;
347 if (screen_desktop_layout.columns > ((screen_num_desktops +
348 screen_num_desktops %
349 screen_desktop_layout.rows) /
350 screen_desktop_layout.rows))
351 screen_desktop_layout.columns =
352 (screen_num_desktops + screen_num_desktops %
353 screen_desktop_layout.rows) /
354 screen_desktop_layout.rows;
356 if (screen_desktop_layout.columns > screen_num_desktops)
357 screen_desktop_layout.columns = screen_num_desktops;
358 if (screen_desktop_layout.rows > ((screen_num_desktops +
359 screen_num_desktops %
360 screen_desktop_layout.columns) /
361 screen_desktop_layout.columns))
362 screen_desktop_layout.rows =
363 (screen_num_desktops + screen_num_desktops %
364 screen_desktop_layout.columns) /
365 screen_desktop_layout.columns;
371 void screen_update_desktop_names()
375 /* empty the array */
376 for (i = 0; i < screen_desktop_names->len; ++i)
377 g_free(g_ptr_array_index(screen_desktop_names, i));
378 g_ptr_array_set_size(screen_desktop_names, 0);
380 PROP_GETSA(ob_root, net_desktop_names, utf8, screen_desktop_names);
382 while (screen_desktop_names->len < screen_num_desktops)
383 g_ptr_array_add(screen_desktop_names, g_strdup("Unnamed Desktop"));
386 void screen_show_desktop(gboolean show)
390 if (show == screen_showing_desktop) return; /* no change */
392 screen_showing_desktop = show;
396 for (it = g_list_last(stacking_list); it != NULL; it = it->prev) {
397 Client *client = it->data;
398 if (client->frame->visible && !client_should_show(client))
399 engine_frame_hide(client->frame);
403 for (it = stacking_list; it != NULL; it = it->next) {
404 Client *client = it->data;
405 if (!client->frame->visible && client_should_show(client))
406 engine_frame_show(client->frame);
410 show = !!show; /* make it boolean */
411 PROP_SET32(ob_root, net_showing_desktop, cardinal, show);
413 dispatch_ob(Event_Ob_ShowDesktop, show, 0);
416 void screen_install_colormap(Client *client, gboolean install)
418 XWindowAttributes wa;
420 if (client == NULL) {
422 XInstallColormap(ob_display, render_colormap);
424 XUninstallColormap(ob_display, render_colormap);
426 if (XGetWindowAttributes(ob_display, client->window, &wa) &&
427 wa.colormap != None) {
429 XInstallColormap(ob_display, wa.colormap);
431 XUninstallColormap(ob_display, wa.colormap);
436 void screen_update_struts()
442 strut = g_new0(Strut, screen_num_desktops + 1);
444 for (it = client_list; it != NULL; it = it->next) {
445 Client *c = it->data;
446 if (c->iconic) continue; /* these dont count in the strut */
448 if (c->desktop == 0xffffffff) {
449 for (i = 0; i < screen_num_desktops; ++i)
450 STRUT_ADD(strut[i], c->strut);
452 g_assert(c->desktop < screen_num_desktops);
453 STRUT_ADD(strut[c->desktop], c->strut);
455 /* apply to the 'all desktops' strut */
456 STRUT_ADD(strut[screen_num_desktops], c->strut);
458 screen_update_area();
461 static void screen_update_area()
467 area = g_new0(Rect, screen_num_desktops + 1);
469 dims = g_new(unsigned long, 4 * screen_num_desktops);
470 for (i = 0; i < screen_num_desktops + 1; ++i) {
471 Rect old_area = area[i];
474 // reset to the full areas
475 if (isXineramaActive())
476 xineramaUsableArea = getXineramaAreas();
480 RECT_SET(area[i], strut[i].left, strut[i].top,
481 screen_physical_size.width - (strut[i].left +
483 screen_physical_size.height - (strut[i].top +
488 if (isXineramaActive()) {
489 // keep each of the ximerama-defined areas inside the strut
490 RectList::iterator xit, xend = xineramaUsableArea.end();
491 for (xit = xineramaUsableArea.begin(); xit != xend; ++xit) {
492 if (xit->x() < usableArea.x()) {
493 xit->setX(usableArea.x());
494 xit->setWidth(xit->width() - usableArea.x());
496 if (xit->y() < usableArea.y()) {
497 xit->setY(usableArea.y());
498 xit->setHeight(xit->height() - usableArea.y());
500 if (xit->x() + xit->width() > usableArea.width())
501 xit->setWidth(usableArea.width() - xit->x());
502 if (xit->y() + xit->height() > usableArea.height())
503 xit->setHeight(usableArea.height() - xit->y());
508 if (!RECT_EQUAL(old_area, area[i])) {
509 /* the area has changed, adjust all the maximized windows */
511 for (it = client_list; it; it = it->next) {
512 Client *c = it->data;
513 if (i < screen_num_desktops) {
515 client_remaximize(c);
517 /* the 'all desktops' size */
518 if (c->desktop == DESKTOP_ALL)
519 client_remaximize(c);
524 /* don't set these for the 'all desktops' area */
525 if (i < screen_num_desktops) {
526 dims[(i * 4) + 0] = area[i].x;
527 dims[(i * 4) + 1] = area[i].y;
528 dims[(i * 4) + 2] = area[i].width;
529 dims[(i * 4) + 3] = area[i].height;
532 PROP_SET32A(ob_root, net_workarea, cardinal,
533 dims, 4 * screen_num_desktops);
537 Rect *screen_area(guint desktop)
539 if (desktop >= screen_num_desktops) {
540 if (desktop == DESKTOP_ALL)
541 return &area[screen_num_desktops];
544 return &area[desktop];
547 Strut *screen_strut(guint desktop)
549 if (desktop >= screen_num_desktops) {
550 if (desktop == DESKTOP_ALL)
551 return &strut[screen_num_desktops];
554 return &strut[desktop];