]> Dogcows Code - chaz/openbox/blob - src/screen.cc
show desktop mode works!
[chaz/openbox] / src / screen.cc
1 // -*- mode: C++; indent-tabs-mode: nil; c-basic-offset: 2; -*-
2
3 #include "config.h"
4
5 extern "C" {
6 #ifdef HAVE_UNISTD_H
7 # include <sys/types.h>
8 # include <unistd.h>
9 #endif // HAVE_UNISTD_H
10
11 #include "gettext.h"
12 #define _(str) gettext(str)
13 }
14
15 #include "screen.hh"
16 #include "client.hh"
17 #include "openbox.hh"
18 #include "frame.hh"
19 #include "bindings.hh"
20 #include "python.hh"
21 #include "otk/display.hh"
22 #include "otk/property.hh"
23
24 #include <vector>
25 #include <algorithm>
26 #include <cstdio>
27 #include <cstring>
28
29 static bool running;
30 static int anotherWMRunning(Display *display, XErrorEvent *) {
31 printf(_("Another window manager already running on display %s.\n"),
32 DisplayString(display));
33 running = true;
34 return -1;
35 }
36
37
38 namespace ob {
39
40
41 Screen::Screen(int screen)
42 : _number(screen)
43 {
44 assert(screen >= 0); assert(screen < ScreenCount(**otk::display));
45 _info = otk::display->screenInfo(screen);
46
47 _showing_desktop = false;
48
49 ::running = false;
50 XErrorHandler old = XSetErrorHandler(::anotherWMRunning);
51 XSelectInput(**otk::display, _info->rootWindow(),
52 Screen::event_mask);
53 XSync(**otk::display, false);
54 XSetErrorHandler(old);
55
56 _managed = !::running;
57 if (! _managed) return; // was unable to manage the screen
58
59 #ifdef DEBUG
60 printf(_("Managing screen %d: visual 0x%lx, depth %d\n"),
61 _number, XVisualIDFromVisual(_info->visual()), _info->depth());
62 #endif
63
64 otk::Property::set(_info->rootWindow(), otk::Property::atoms.openbox_pid,
65 otk::Property::atoms.cardinal, (unsigned long) getpid());
66
67 // set the mouse cursor for the root window (the default cursor)
68 XDefineCursor(**otk::display, _info->rootWindow(),
69 openbox->cursors().session);
70
71 // XXX: initialize the screen's style
72 /*
73 otk::ustring stylepath;
74 python_get_string("THEME", &stylepath);
75 otk::Configuration sconfig(false);
76 sconfig.setFile(otk::expandTilde(stylepath.c_str()));
77 if (!sconfig.load()) {
78 sconfig.setFile(otk::expandTilde(DEFAULTSTYLE));
79 if (!sconfig.load()) {
80 printf(_("Unable to load default style: %s. Aborting.\n"), DEFAULTSTYLE);
81 ::exit(1);
82 }
83 }
84 _style.load(sconfig);
85 */
86 otk::display->renderControl(_number)->
87 drawRoot(*otk::RenderStyle::style(_number)->rootColor());
88
89 // set up notification of netwm support
90 changeSupportedAtoms();
91
92 // Set the netwm properties for geometry
93 unsigned long geometry[] = { _info->size().width(),
94 _info->size().height() };
95 otk::Property::set(_info->rootWindow(),
96 otk::Property::atoms.net_desktop_geometry,
97 otk::Property::atoms.cardinal, geometry, 2);
98
99 // Set the net_desktop_names property
100 std::vector<otk::ustring> names;
101 python_get_stringlist("DESKTOP_NAMES", &names);
102 otk::Property::set(_info->rootWindow(),
103 otk::Property::atoms.net_desktop_names,
104 otk::Property::utf8, names);
105 // the above set() will cause the updateDesktopNames to fire right away so
106 // we have a list of desktop names
107
108 _desktop = 0;
109
110 if (!python_get_long("NUMBER_OF_DESKTOPS", (long*)&_num_desktops))
111 _num_desktops = 1;
112 changeNumDesktops(_num_desktops); // set the hint
113
114 changeDesktop(0); // set the hint
115
116 // create the window which gets focus when no clients get it
117 XSetWindowAttributes attr;
118 attr.override_redirect = true;
119 _focuswindow = XCreateWindow(**otk::display, _info->rootWindow(),
120 -100, -100, 1, 1, 0, 0, InputOnly,
121 _info->visual(), CWOverrideRedirect, &attr);
122 XMapRaised(**otk::display, _focuswindow);
123
124 // these may be further updated if any pre-existing windows are found in
125 // the manageExising() function
126 changeClientList(); // initialize the client lists, which will be empty
127
128 updateDesktopLayout();
129
130 // register this class as the event handler for the root window
131 openbox->registerHandler(_info->rootWindow(), this);
132
133 // call the python Startup callbacks
134 EventData data(_number, 0, EventAction::Startup, 0);
135 openbox->bindings()->fireEvent(&data);
136 }
137
138
139 Screen::~Screen()
140 {
141 if (! _managed) return;
142
143 XSelectInput(**otk::display, _info->rootWindow(), NoEventMask);
144
145 // unmanage all windows
146 while (!clients.empty())
147 unmanageWindow(clients.front());
148
149 // call the python Shutdown callbacks
150 EventData data(_number, 0, EventAction::Shutdown, 0);
151 openbox->bindings()->fireEvent(&data);
152
153 XDestroyWindow(**otk::display, _focuswindow);
154 XDestroyWindow(**otk::display, _supportwindow);
155 }
156
157
158 void Screen::manageExisting()
159 {
160 unsigned int i, j, nchild;
161 Window r, p, *children;
162 XQueryTree(**otk::display, _info->rootWindow(), &r, &p,
163 &children, &nchild);
164
165 // preen the window list of all icon windows... for better dockapp support
166 for (i = 0; i < nchild; i++) {
167 if (children[i] == None) continue;
168
169 XWMHints *wmhints = XGetWMHints(**otk::display,
170 children[i]);
171
172 if (wmhints) {
173 if ((wmhints->flags & IconWindowHint) &&
174 (wmhints->icon_window != children[i])) {
175 for (j = 0; j < nchild; j++) {
176 if (children[j] == wmhints->icon_window) {
177 children[j] = None;
178 break;
179 }
180 }
181 }
182
183 XFree(wmhints);
184 }
185 }
186
187 // manage shown windows
188 for (i = 0; i < nchild; ++i) {
189 if (children[i] == None)
190 continue;
191
192 XWindowAttributes attrib;
193 if (XGetWindowAttributes(**otk::display, children[i], &attrib)) {
194 if (attrib.override_redirect) continue;
195
196 if (attrib.map_state != IsUnmapped) {
197 manageWindow(children[i]);
198 }
199 }
200 }
201
202 XFree(children);
203 }
204
205 void Screen::updateDesktopLayout()
206 {
207 //const unsigned long _NET_WM_ORIENTATION_HORZ = 0;
208 const unsigned long _NET_WM_ORIENTATION_VERT = 1;
209 //const unsigned long _NET_WM_TOPLEFT = 0;
210 const unsigned long _NET_WM_TOPRIGHT = 1;
211 const unsigned long _NET_WM_BOTTOMRIGHT = 2;
212 const unsigned long _NET_WM_BOTTOMLEFT = 3;
213
214 // defaults
215 _layout.orientation = DesktopLayout::Horizontal;
216 _layout.start_corner = DesktopLayout::TopLeft;
217 _layout.rows = 1;
218 _layout.columns = _num_desktops;
219
220 unsigned long *data, num = 4;
221 if (otk::Property::get(_info->rootWindow(),
222 otk::Property::atoms.net_desktop_layout,
223 otk::Property::atoms.cardinal,
224 &num, &data)) {
225 if (num >= 4) {
226 if (data[0] == _NET_WM_ORIENTATION_VERT)
227 _layout.orientation = DesktopLayout::Vertical;
228 if (data[3] == _NET_WM_TOPRIGHT)
229 _layout.start_corner = DesktopLayout::TopRight;
230 else if (data[3] == _NET_WM_BOTTOMRIGHT)
231 _layout.start_corner = DesktopLayout::BottomRight;
232 else if (data[3] == _NET_WM_BOTTOMLEFT)
233 _layout.start_corner = DesktopLayout::BottomLeft;
234
235 // fill in a zero rows/columns
236 if (!(data[1] == 0 && data[2] == 0)) { // both 0's is bad data..
237 if (data[1] == 0) {
238 data[1] = (_num_desktops + _num_desktops % data[2]) / data[2];
239 } else if (data[2] == 0) {
240 data[2] = (_num_desktops + _num_desktops % data[1]) / data[1];
241 }
242 _layout.columns = data[1];
243 _layout.rows = data[2];
244 }
245
246 // bounds checking
247 if (_layout.orientation == DesktopLayout::Horizontal) {
248 if (_layout.rows > _num_desktops) _layout.rows = _num_desktops;
249 if (_layout.columns > (_num_desktops + _num_desktops % _layout.rows) /
250 _layout.rows)
251 _layout.columns = (_num_desktops + _num_desktops % _layout.rows) /
252 _layout.rows;
253 } else {
254 if (_layout.columns > _num_desktops) _layout.columns = _num_desktops;
255 if (_layout.rows > (_num_desktops + _num_desktops % _layout.columns) /
256 _layout.columns)
257 _layout.rows = (_num_desktops + _num_desktops % _layout.columns) /
258 _layout.columns;
259 }
260 }
261 delete [] data;
262 }
263 }
264
265 void Screen::updateStruts()
266 {
267 struct ApplyStrut {
268 void operator()(otk::Strut &self, const otk::Strut &other) {
269 self.left = std::max(self.left, other.left);
270 self.right = std::max(self.right, other.right);
271 self.top = std::max(self.top, other.top);
272 self.bottom = std::max(self.bottom, other.bottom);
273 }
274 } apply;
275
276 StrutList::iterator sit, send = _struts.end();
277 // reset them all
278 for (sit = _struts.begin(); sit != send; ++sit)
279 sit->left = sit->right = sit->top = sit->bottom = 0;
280
281 ClientList::const_iterator it, end = clients.end();
282 for (it = clients.begin(); it != end; ++it) {
283 if ((*it)->iconic()) continue; // these dont count in the strut
284
285 unsigned int desk = (*it)->desktop();
286 const otk::Strut &s = (*it)->strut();
287
288 if (desk == 0xffffffff)
289 for (unsigned int i = 0, e = _struts.size(); i < e; ++i)
290 apply(_struts[i], s);
291 else if (desk < _struts.size())
292 apply(_struts[desk], s);
293 else
294 assert(false); // invalid desktop otherwise..
295 // apply to the 'all desktops' strut
296 apply(_struts.back(), s);
297 }
298 changeWorkArea();
299 }
300
301
302 void Screen::changeWorkArea()
303 {
304 unsigned long *dims = new unsigned long[4 * _num_desktops];
305 for (unsigned int i = 0; i < _num_desktops + 1; ++i) {
306 otk::Rect old_area = _area[i];
307 /*
308 #ifdef XINERAMA
309 // reset to the full areas
310 if (isXineramaActive())
311 xineramaUsableArea = getXineramaAreas();
312 #endif // XINERAMA
313 */
314
315 _area[i] = otk::Rect(_struts[i].left, _struts[i].top,
316 _info->size().width() - (_struts[i].left +
317 _struts[i].right),
318 _info->size().height() - (_struts[i].top +
319 _struts[i].bottom));
320
321 /*
322 #ifdef XINERAMA
323 if (isXineramaActive()) {
324 // keep each of the ximerama-defined areas inside the strut
325 RectList::iterator xit, xend = xineramaUsableArea.end();
326 for (xit = xineramaUsableArea.begin(); xit != xend; ++xit) {
327 if (xit->x() < usableArea.x()) {
328 xit->setX(usableArea.x());
329 xit->setWidth(xit->width() - usableArea.x());
330 }
331 if (xit->y() < usableArea.y()) {
332 xit->setY(usableArea.y());
333 xit->setHeight(xit->height() - usableArea.y());
334 }
335 if (xit->x() + xit->width() > usableArea.width())
336 xit->setWidth(usableArea.width() - xit->x());
337 if (xit->y() + xit->height() > usableArea.height())
338 xit->setHeight(usableArea.height() - xit->y());
339 }
340 }
341 #endif // XINERAMA
342 */
343 if (old_area != _area[i]) {
344 // the area has changed, adjust all the maximized windows
345 ClientList::iterator it, end = clients.end();
346 for (it = clients.begin(); it != end; ++it)
347 if (i < _num_desktops) {
348 if ((*it)->desktop() == i)
349 (*it)->remaximize();
350 } else {
351 // the 'all desktops' size
352 if ((*it)->desktop() == 0xffffffff)
353 (*it)->remaximize();
354 }
355 }
356
357 // don't set these for the 'all desktops' area
358 if (i < _num_desktops) {
359 dims[(i * 4) + 0] = _area[i].x();
360 dims[(i * 4) + 1] = _area[i].y();
361 dims[(i * 4) + 2] = _area[i].width();
362 dims[(i * 4) + 3] = _area[i].height();
363 }
364 }
365 otk::Property::set(_info->rootWindow(), otk::Property::atoms.net_workarea,
366 otk::Property::atoms.cardinal, dims, 4 * _num_desktops);
367 delete [] dims;
368 }
369
370
371 void Screen::changeSupportedAtoms()
372 {
373 // create the netwm support window
374 _supportwindow = XCreateSimpleWindow(**otk::display,
375 _info->rootWindow(),
376 0, 0, 1, 1, 0, 0, 0);
377
378 // set supporting window
379 otk::Property::set(_info->rootWindow(),
380 otk::Property::atoms.net_supporting_wm_check,
381 otk::Property::atoms.window, _supportwindow);
382
383 //set properties on the supporting window
384 otk::Property::set(_supportwindow, otk::Property::atoms.net_wm_name,
385 otk::Property::utf8, "Openbox");
386 otk::Property::set(_supportwindow,
387 otk::Property::atoms.net_supporting_wm_check,
388 otk::Property::atoms.window, _supportwindow);
389
390
391 Atom supported[] = {
392 otk::Property::atoms.net_current_desktop,
393 otk::Property::atoms.net_number_of_desktops,
394 otk::Property::atoms.net_desktop_geometry,
395 otk::Property::atoms.net_desktop_viewport,
396 otk::Property::atoms.net_active_window,
397 otk::Property::atoms.net_workarea,
398 otk::Property::atoms.net_client_list,
399 otk::Property::atoms.net_client_list_stacking,
400 otk::Property::atoms.net_desktop_names,
401 otk::Property::atoms.net_close_window,
402 otk::Property::atoms.net_desktop_layout,
403 otk::Property::atoms.net_showing_desktop,
404 otk::Property::atoms.net_wm_name,
405 otk::Property::atoms.net_wm_visible_name,
406 otk::Property::atoms.net_wm_icon_name,
407 otk::Property::atoms.net_wm_visible_icon_name,
408 otk::Property::atoms.net_wm_desktop,
409 otk::Property::atoms.net_wm_strut,
410 otk::Property::atoms.net_wm_window_type,
411 otk::Property::atoms.net_wm_window_type_desktop,
412 otk::Property::atoms.net_wm_window_type_dock,
413 otk::Property::atoms.net_wm_window_type_toolbar,
414 otk::Property::atoms.net_wm_window_type_menu,
415 otk::Property::atoms.net_wm_window_type_utility,
416 otk::Property::atoms.net_wm_window_type_splash,
417 otk::Property::atoms.net_wm_window_type_dialog,
418 otk::Property::atoms.net_wm_window_type_normal,
419 /*
420 otk::Property::atoms.net_wm_moveresize,
421 otk::Property::atoms.net_wm_moveresize_size_topleft,
422 otk::Property::atoms.net_wm_moveresize_size_topright,
423 otk::Property::atoms.net_wm_moveresize_size_bottomleft,
424 otk::Property::atoms.net_wm_moveresize_size_bottomright,
425 otk::Property::atoms.net_wm_moveresize_move,
426 */
427 otk::Property::atoms.net_wm_allowed_actions,
428 otk::Property::atoms.net_wm_action_move,
429 otk::Property::atoms.net_wm_action_resize,
430 otk::Property::atoms.net_wm_action_minimize,
431 otk::Property::atoms.net_wm_action_shade,
432 /* otk::Property::atoms.net_wm_action_stick,*/
433 otk::Property::atoms.net_wm_action_maximize_horz,
434 otk::Property::atoms.net_wm_action_maximize_vert,
435 otk::Property::atoms.net_wm_action_fullscreen,
436 otk::Property::atoms.net_wm_action_change_desktop,
437 otk::Property::atoms.net_wm_action_close,
438
439 otk::Property::atoms.net_wm_state,
440 otk::Property::atoms.net_wm_state_modal,
441 otk::Property::atoms.net_wm_state_maximized_vert,
442 otk::Property::atoms.net_wm_state_maximized_horz,
443 otk::Property::atoms.net_wm_state_shaded,
444 otk::Property::atoms.net_wm_state_skip_taskbar,
445 otk::Property::atoms.net_wm_state_skip_pager,
446 otk::Property::atoms.net_wm_state_hidden,
447 otk::Property::atoms.net_wm_state_fullscreen,
448 otk::Property::atoms.net_wm_state_above,
449 otk::Property::atoms.net_wm_state_below,
450 };
451 const int num_supported = sizeof(supported)/sizeof(Atom);
452
453 otk::Property::set(_info->rootWindow(), otk::Property::atoms.net_supported,
454 otk::Property::atoms.atom, supported, num_supported);
455 }
456
457
458 void Screen::changeClientList()
459 {
460 Window *windows;
461 unsigned int size = clients.size();
462
463 // create an array of the window ids
464 if (size > 0) {
465 Window *win_it;
466
467 windows = new Window[size];
468 win_it = windows;
469 ClientList::const_iterator it = clients.begin();
470 const ClientList::const_iterator end = clients.end();
471 for (; it != end; ++it, ++win_it)
472 *win_it = (*it)->window();
473 } else
474 windows = (Window*) 0;
475
476 otk::Property::set(_info->rootWindow(), otk::Property::atoms.net_client_list,
477 otk::Property::atoms.window, windows, size);
478
479 if (size)
480 delete [] windows;
481
482 changeStackingList();
483 }
484
485
486 void Screen::changeStackingList()
487 {
488 Window *windows;
489 unsigned int size = _stacking.size();
490
491 assert(size == clients.size()); // just making sure.. :)
492
493
494 // create an array of the window ids (from bottom to top, reverse order!)
495 if (size > 0) {
496 Window *win_it;
497
498 windows = new Window[size];
499 win_it = windows;
500 ClientList::const_reverse_iterator it = _stacking.rbegin();
501 const ClientList::const_reverse_iterator end = _stacking.rend();
502 for (; it != end; ++it, ++win_it)
503 *win_it = (*it)->window();
504 } else
505 windows = (Window*) 0;
506
507 otk::Property::set(_info->rootWindow(),
508 otk::Property::atoms.net_client_list_stacking,
509 otk::Property::atoms.window, windows, size);
510
511 if (size)
512 delete [] windows;
513 }
514
515
516 void Screen::manageWindow(Window window)
517 {
518 Client *client = 0;
519 XWMHints *wmhint;
520 XSetWindowAttributes attrib_set;
521 XEvent e;
522 XWindowAttributes attrib;
523
524 otk::display->grab();
525
526 // check if it has already been unmapped by the time we started mapping
527 // the grab does a sync so we don't have to here
528 if (XCheckTypedWindowEvent(**otk::display, window, DestroyNotify, &e) ||
529 XCheckTypedWindowEvent(**otk::display, window, UnmapNotify, &e)) {
530 XPutBackEvent(**otk::display, &e);
531
532 otk::display->ungrab();
533 return; // don't manage it
534 }
535
536 if (!XGetWindowAttributes(**otk::display, window, &attrib) ||
537 attrib.override_redirect) {
538 otk::display->ungrab();
539 return; // don't manage it
540 }
541
542 // is the window a docking app
543 if ((wmhint = XGetWMHints(**otk::display, window))) {
544 if ((wmhint->flags & StateHint) &&
545 wmhint->initial_state == WithdrawnState) {
546 //slit->addClient(w); // XXX: make dock apps work!
547
548 otk::display->ungrab();
549 XFree(wmhint);
550 return;
551 }
552 XFree(wmhint);
553 }
554
555 // choose the events we want to receive on the CLIENT window
556 attrib_set.event_mask = Client::event_mask;
557 attrib_set.do_not_propagate_mask = Client::no_propagate_mask;
558 XChangeWindowAttributes(**otk::display, window,
559 CWEventMask|CWDontPropagate, &attrib_set);
560
561 // create the Client class, which gets all of the hints on the window
562 client = new Client(_number, window);
563 // register for events
564 openbox->registerHandler(window, client);
565 // add to the wm's map
566 openbox->addClient(window, client);
567
568 // we dont want a border on the client
569 client->toggleClientBorder(false);
570
571 // specify that if we exit, the window should not be destroyed and should be
572 // reparented back to root automatically
573 XChangeSaveSet(**otk::display, window, SetModeInsert);
574
575 // create the decoration frame for the client window
576 client->frame = new Frame(client);
577 // register the plate for events (map req's)
578 // this involves removing itself from the handler list first, since it is
579 // auto added to the list, being a widget. we won't get any events on the
580 // plate except for events for the client (SubstructureRedirectMask)
581 openbox->clearHandler(client->frame->plate());
582 openbox->registerHandler(client->frame->plate(), client);
583
584 // add to the wm's map
585 Window *w = client->frame->allWindows();
586 for (unsigned int i = 0; w[i]; ++i)
587 openbox->addClient(w[i], client);
588 delete [] w;
589
590 // reparent the client to the frame
591 client->frame->grabClient();
592
593 if (openbox->state() != Openbox::State_Starting) {
594 // position the window intelligenty .. hopefully :)
595 // call the python PLACEWINDOW binding
596 EventData data(_number, client, EventAction::PlaceWindow, 0);
597 openbox->bindings()->fireEvent(&data);
598 }
599
600 EventData ddata(_number, client, EventAction::DisplayingWindow, 0);
601 openbox->bindings()->fireEvent(&ddata);
602
603 client->showhide();
604
605 client->applyStartupState();
606
607 otk::display->ungrab();
608
609 // add to the screen's list
610 clients.push_back(client);
611 // once the client is in the list, update our strut to include the new
612 // client's (it is good that this happens after window placement!)
613 updateStruts();
614 // this puts into the stacking order, then raises it
615 _stacking.push_back(client);
616 raiseWindow(client);
617 // update the root properties
618 changeClientList();
619
620 openbox->bindings()->grabButtons(true, client);
621
622 EventData ndata(_number, client, EventAction::NewWindow, 0);
623 openbox->bindings()->fireEvent(&ndata);
624
625 #ifdef DEBUG
626 printf("Managed window 0x%lx frame 0x%lx\n",
627 window, client->frame->window());
628 #endif
629 }
630
631
632 void Screen::unmanageWindow(Client *client)
633 {
634 Frame *frame = client->frame;
635
636 // call the python CLOSEWINDOW binding
637 EventData data(_number, client, EventAction::CloseWindow, 0);
638 openbox->bindings()->fireEvent(&data);
639
640 openbox->bindings()->grabButtons(false, client);
641
642 // remove from the wm's map
643 openbox->removeClient(client->window());
644 Window *w = frame->allWindows();
645 for (unsigned int i = 0; w[i]; ++i)
646 openbox->addClient(w[i], client);
647 delete [] w;
648 // unregister for handling events
649 openbox->clearHandler(client->window());
650
651 // remove the window from our save set
652 XChangeSaveSet(**otk::display, client->window(), SetModeDelete);
653
654 // we dont want events no more
655 XSelectInput(**otk::display, client->window(), NoEventMask);
656
657 frame->hide();
658
659 // give the client its border back
660 client->toggleClientBorder(true);
661
662 // reparent the window out of the frame
663 frame->releaseClient();
664
665 #ifdef DEBUG
666 Window framewin = client->frame->window();
667 #endif
668 delete client->frame;
669 client->frame = 0;
670
671 // remove from the stacking order
672 _stacking.remove(client);
673
674 // remove from the screen's list
675 clients.remove(client);
676
677 // once the client is out of the list, update our strut to remove it's
678 // influence
679 updateStruts();
680
681 // unset modal before dropping our focus
682 client->_modal = false;
683
684 // unfocus the client (calls the focus callbacks)
685 client->unfocus();
686
687 #ifdef DEBUG
688 printf("Unmanaged window 0x%lx frame 0x%lx\n", client->window(), framewin);
689 #endif
690
691 delete client;
692
693 // update the root properties
694 changeClientList();
695 }
696
697 void Screen::lowerWindow(Client *client)
698 {
699 Window wins[2]; // only ever restack 2 windows.
700
701 assert(!_stacking.empty()); // this would be bad
702
703 ClientList::iterator it = --_stacking.end();
704 const ClientList::iterator end = _stacking.begin();
705
706 if (client->modal() && client->transientFor()) {
707 // don't let a modal window lower below its transient_for
708 it = std::find(_stacking.begin(), _stacking.end(), client->transientFor());
709 assert(it != _stacking.end());
710
711 wins[0] = (it == _stacking.begin() ? _focuswindow :
712 ((*(--ClientList::const_iterator(it)))->frame->window()));
713 wins[1] = client->frame->window();
714 if (wins[0] == wins[1]) return; // already right above the window
715
716 _stacking.remove(client);
717 _stacking.insert(it, client);
718 } else {
719 for (; it != end && (*it)->layer() < client->layer(); --it);
720 if (*it == client) return; // already the bottom, return
721
722 wins[0] = (*it)->frame->window();
723 wins[1] = client->frame->window();
724
725 _stacking.remove(client);
726 _stacking.insert(++it, client);
727 }
728
729 XRestackWindows(**otk::display, wins, 2);
730 changeStackingList();
731 }
732
733 void Screen::raiseWindow(Client *client)
734 {
735 Window wins[2]; // only ever restack 2 windows.
736
737 assert(!_stacking.empty()); // this would be bad
738
739 Client *m = client->findModalChild();
740 // if we have a modal child, raise it instead, we'll go along tho later
741 if (m) raiseWindow(m);
742
743 // remove the client before looking so we can't run into ourselves
744 _stacking.remove(client);
745
746 ClientList::iterator it = _stacking.begin();
747 const ClientList::iterator end = _stacking.end();
748
749 // the stacking list is from highest to lowest
750 for (; it != end && ((*it)->layer() > client->layer() || m == *it); ++it);
751
752 /*
753 if our new position is the top, we want to stack under the _focuswindow
754 otherwise, we want to stack under the previous window in the stack.
755 */
756 wins[0] = (it == _stacking.begin() ? _focuswindow :
757 ((*(--ClientList::const_iterator(it)))->frame->window()));
758 wins[1] = client->frame->window();
759
760 _stacking.insert(it, client);
761
762 XRestackWindows(**otk::display, wins, 2);
763
764 changeStackingList();
765 }
766
767 void Screen::changeDesktop(unsigned int desktop)
768 {
769 if (desktop >= _num_desktops) return;
770
771 printf("Moving to desktop %u\n", desktop);
772
773 unsigned int old = _desktop;
774
775 _desktop = desktop;
776 otk::Property::set(_info->rootWindow(),
777 otk::Property::atoms.net_current_desktop,
778 otk::Property::atoms.cardinal, _desktop);
779
780 if (old == _desktop) return;
781
782 ClientList::iterator it, end = clients.end();
783 for (it = clients.begin(); it != end; ++it)
784 (*it)->showhide();
785
786 // force the callbacks to fire
787 if (!openbox->focusedClient())
788 openbox->setFocusedClient(0);
789 }
790
791 void Screen::changeNumDesktops(unsigned int num)
792 {
793 assert(num > 0);
794
795 if (!(num > 0)) return;
796
797 // move windows on desktops that will no longer exist!
798 ClientList::iterator it, end = clients.end();
799 for (it = clients.begin(); it != end; ++it) {
800 unsigned int d = (*it)->desktop();
801 if (d >= num && d != 0xffffffff) {
802 XEvent ce;
803 ce.xclient.type = ClientMessage;
804 ce.xclient.message_type = otk::Property::atoms.net_wm_desktop;
805 ce.xclient.display = **otk::display;
806 ce.xclient.window = (*it)->window();
807 ce.xclient.format = 32;
808 ce.xclient.data.l[0] = num - 1;
809 XSendEvent(**otk::display, _info->rootWindow(), False,
810 SubstructureNotifyMask | SubstructureRedirectMask, &ce);
811 }
812 }
813
814 _num_desktops = num;
815 otk::Property::set(_info->rootWindow(),
816 otk::Property::atoms.net_number_of_desktops,
817 otk::Property::atoms.cardinal, _num_desktops);
818
819 // set the viewport hint
820 unsigned long *viewport = new unsigned long[_num_desktops * 2];
821 memset(viewport, 0, sizeof(unsigned long) * _num_desktops * 2);
822 otk::Property::set(_info->rootWindow(),
823 otk::Property::atoms.net_desktop_viewport,
824 otk::Property::atoms.cardinal,
825 viewport, _num_desktops * 2);
826 delete [] viewport;
827
828 // change our struts/area to match
829 _area.resize(_num_desktops + 1);
830 _struts.resize(_num_desktops + 1);
831 updateStruts();
832
833 // the number of rows/columns will differ
834 updateDesktopLayout();
835
836 // change our desktop if we're on one that no longer exists!
837 if (_desktop >= _num_desktops)
838 changeDesktop(_num_desktops - 1);
839 }
840
841
842 void Screen::updateDesktopNames()
843 {
844 unsigned long num = (unsigned) -1;
845
846 if (!otk::Property::get(_info->rootWindow(),
847 otk::Property::atoms.net_desktop_names,
848 otk::Property::utf8, &num, &_desktop_names))
849 _desktop_names.clear();
850 while (_desktop_names.size() < _num_desktops)
851 _desktop_names.push_back("Unnamed");
852 }
853
854
855 void Screen::setDesktopName(unsigned int i, const otk::ustring &name)
856 {
857 if (i >= _num_desktops) return;
858
859 otk::Property::StringVect newnames = _desktop_names;
860 newnames[i] = name;
861 otk::Property::set(_info->rootWindow(),
862 otk::Property::atoms.net_desktop_names,
863 otk::Property::utf8, newnames);
864 }
865
866
867 const otk::Rect& Screen::area(unsigned int desktop) const {
868 assert(desktop < _num_desktops || desktop == 0xffffffff);
869 if (desktop < _num_desktops)
870 return _area[desktop];
871 else
872 return _area[_num_desktops];
873 }
874
875 void Screen::installColormap(bool install) const
876 {
877 if (install)
878 XInstallColormap(**otk::display, _info->colormap());
879 else
880 XUninstallColormap(**otk::display, _info->colormap());
881 }
882
883 void Screen::showDesktop(bool show)
884 {
885 if (show == _showing_desktop) return; // no change
886
887 _showing_desktop = show;
888 ClientList::iterator it, end = clients.end();
889 for (it = clients.begin(); it != end; ++it)
890 (*it)->showhide();
891 }
892
893 void Screen::propertyHandler(const XPropertyEvent &e)
894 {
895 otk::EventHandler::propertyHandler(e);
896
897 // compress changes to a single property into a single change
898 XEvent ce;
899 while (XCheckTypedWindowEvent(**otk::display, _info->rootWindow(),
900 e.type, &ce)) {
901 // XXX: it would be nice to compress ALL changes to a property, not just
902 // changes in a row without other props between.
903 if (ce.xproperty.atom != e.atom) {
904 XPutBackEvent(**otk::display, &ce);
905 break;
906 }
907 }
908
909 if (e.atom == otk::Property::atoms.net_desktop_names)
910 updateDesktopNames();
911 else if (e.atom == otk::Property::atoms.net_desktop_layout)
912 updateDesktopLayout();
913 }
914
915
916 void Screen::clientMessageHandler(const XClientMessageEvent &e)
917 {
918 otk::EventHandler::clientMessageHandler(e);
919
920 if (e.format != 32) return;
921
922 if (e.message_type == otk::Property::atoms.net_current_desktop) {
923 changeDesktop(e.data.l[0]);
924 } else if (e.message_type == otk::Property::atoms.net_number_of_desktops) {
925 changeNumDesktops(e.data.l[0]);
926 } else if (e.message_type == otk::Property::atoms.net_showing_desktop) {
927 showDesktop(e.data.l[0] != 0);
928 }
929 }
930
931
932 void Screen::mapRequestHandler(const XMapRequestEvent &e)
933 {
934 otk::EventHandler::mapRequestHandler(e);
935
936 #ifdef DEBUG
937 printf("MapRequest for 0x%lx\n", e.window);
938 #endif // DEBUG
939
940 Client *c = openbox->findClient(e.window);
941 if (c) {
942 #ifdef DEBUG
943 printf("DEBUG: MAP REQUEST CAUGHT IN SCREEN. IGNORED.\n");
944 #endif
945 } else {
946 if (_showing_desktop)
947 showDesktop(false); // leave showing-the-desktop mode
948 manageWindow(e.window);
949 }
950 }
951
952 }
This page took 0.082829 seconds and 5 git commands to generate.