1 // -*- mode: C++; indent-tabs-mode: nil; c-basic-offset: 2; -*-
11 #include "otk/display.hh"
12 #include "otk/property.hh"
13 #include "otk/util.hh"
17 # include <sys/types.h>
19 #endif // HAVE_UNISTD_H
22 #define _(str) gettext(str)
31 static int anotherWMRunning(Display
*display
, XErrorEvent
*) {
32 printf(_("Another window manager already running on display %s.\n"),
33 DisplayString(display
));
42 Screen::Screen(int screen
)
45 assert(screen
>= 0); assert(screen
< ScreenCount(**otk::display
));
46 _info
= otk::display
->screenInfo(screen
);
49 XErrorHandler old
= XSetErrorHandler(::anotherWMRunning
);
50 XSelectInput(**otk::display
, _info
->rootWindow(),
52 XSync(**otk::display
, false);
53 XSetErrorHandler(old
);
55 _managed
= !::running
;
56 if (! _managed
) return; // was unable to manage the screen
59 printf(_("Managing screen %d: visual 0x%lx, depth %d\n"),
60 _number
, XVisualIDFromVisual(_info
->visual()), _info
->depth());
63 otk::Property::set(_info
->rootWindow(), otk::Property::atoms
.openbox_pid
,
64 otk::Property::atoms
.cardinal
, (unsigned long) getpid());
66 // set the mouse cursor for the root window (the default cursor)
67 XDefineCursor(**otk::display
, _info
->rootWindow(),
68 openbox
->cursors().session
);
70 // initialize the screen's style
71 otk::RenderStyle::setStyle(_number
, _config
.theme
);
72 // draw the root window
73 otk::bexec("obsetroot " + otk::RenderStyle::style(_number
)->rootArgs(),
74 _info
->displayString());
76 // set up notification of netwm support
77 changeSupportedAtoms();
79 // Set the netwm properties for geometry
80 unsigned long geometry
[] = { _info
->size().width(),
81 _info
->size().height() };
82 otk::Property::set(_info
->rootWindow(),
83 otk::Property::atoms
.net_desktop_geometry
,
84 otk::Property::atoms
.cardinal
, geometry
, 2);
86 // Set the net_desktop_names property
87 otk::Property::set(_info
->rootWindow(),
88 otk::Property::atoms
.net_desktop_names
,
89 otk::Property::utf8
, _config
.desktop_names
);
90 // the above set() will cause the updateDesktopNames to fire right away so
91 // we have a list of desktop names
95 changeNumDesktops(_config
.num_desktops
); // set the hint
97 changeDesktop(0); // set the hint
99 // don't start in showing-desktop mode
100 _showing_desktop
= false;
101 otk::Property::set(_info
->rootWindow(),
102 otk::Property::atoms
.net_showing_desktop
,
103 otk::Property::atoms
.cardinal
, 0);
105 // create the window which gets focus when no clients get it
106 XSetWindowAttributes attr
;
107 attr
.override_redirect
= true;
108 _focuswindow
= XCreateWindow(**otk::display
, _info
->rootWindow(),
109 -100, -100, 1, 1, 0, 0, InputOnly
,
110 _info
->visual(), CWOverrideRedirect
, &attr
);
111 XMapRaised(**otk::display
, _focuswindow
);
113 // these may be further updated if any pre-existing windows are found in
114 // the manageExising() function
115 changeClientList(); // initialize the client lists, which will be empty
117 updateDesktopLayout();
119 // register this class as the event handler for the root window
120 openbox
->registerHandler(_info
->rootWindow(), this);
122 // call the python Startup callbacks
123 EventData
data(_number
, 0, EventAction::Startup
, 0);
124 openbox
->bindings()->fireEvent(&data
);
130 if (! _managed
) return;
132 XSelectInput(**otk::display
, _info
->rootWindow(), NoEventMask
);
134 // unmanage all windows
135 while (!clients
.empty())
136 unmanageWindow(clients
.front());
138 // call the python Shutdown callbacks
139 EventData
data(_number
, 0, EventAction::Shutdown
, 0);
140 openbox
->bindings()->fireEvent(&data
);
142 XDestroyWindow(**otk::display
, _focuswindow
);
143 XDestroyWindow(**otk::display
, _supportwindow
);
147 void Screen::manageExisting()
149 unsigned int i
, j
, nchild
;
150 Window r
, p
, *children
;
151 XQueryTree(**otk::display
, _info
->rootWindow(), &r
, &p
,
154 // preen the window list of all icon windows... for better dockapp support
155 for (i
= 0; i
< nchild
; i
++) {
156 if (children
[i
] == None
) continue;
158 XWMHints
*wmhints
= XGetWMHints(**otk::display
,
162 if ((wmhints
->flags
& IconWindowHint
) &&
163 (wmhints
->icon_window
!= children
[i
])) {
164 for (j
= 0; j
< nchild
; j
++) {
165 if (children
[j
] == wmhints
->icon_window
) {
176 // manage shown windows
177 for (i
= 0; i
< nchild
; ++i
) {
178 if (children
[i
] == None
)
181 XWindowAttributes attrib
;
182 if (XGetWindowAttributes(**otk::display
, children
[i
], &attrib
)) {
183 if (attrib
.override_redirect
) continue;
185 if (attrib
.map_state
!= IsUnmapped
) {
186 manageWindow(children
[i
]);
194 void Screen::updateDesktopLayout()
196 //const unsigned long _NET_WM_ORIENTATION_HORZ = 0;
197 const unsigned long _NET_WM_ORIENTATION_VERT
= 1;
198 //const unsigned long _NET_WM_TOPLEFT = 0;
199 const unsigned long _NET_WM_TOPRIGHT
= 1;
200 const unsigned long _NET_WM_BOTTOMRIGHT
= 2;
201 const unsigned long _NET_WM_BOTTOMLEFT
= 3;
204 _layout
.orientation
= DesktopLayout::Horizontal
;
205 _layout
.start_corner
= DesktopLayout::TopLeft
;
207 _layout
.columns
= _num_desktops
;
209 unsigned long *data
, num
= 4;
210 if (otk::Property::get(_info
->rootWindow(),
211 otk::Property::atoms
.net_desktop_layout
,
212 otk::Property::atoms
.cardinal
,
215 if (data
[0] == _NET_WM_ORIENTATION_VERT
)
216 _layout
.orientation
= DesktopLayout::Vertical
;
217 if (data
[3] == _NET_WM_TOPRIGHT
)
218 _layout
.start_corner
= DesktopLayout::TopRight
;
219 else if (data
[3] == _NET_WM_BOTTOMRIGHT
)
220 _layout
.start_corner
= DesktopLayout::BottomRight
;
221 else if (data
[3] == _NET_WM_BOTTOMLEFT
)
222 _layout
.start_corner
= DesktopLayout::BottomLeft
;
224 // fill in a zero rows/columns
225 if (!(data
[1] == 0 && data
[2] == 0)) { // both 0's is bad data..
227 data
[1] = (_num_desktops
+ _num_desktops
% data
[2]) / data
[2];
228 } else if (data
[2] == 0) {
229 data
[2] = (_num_desktops
+ _num_desktops
% data
[1]) / data
[1];
231 _layout
.columns
= data
[1];
232 _layout
.rows
= data
[2];
236 if (_layout
.orientation
== DesktopLayout::Horizontal
) {
237 if (_layout
.rows
> _num_desktops
) _layout
.rows
= _num_desktops
;
238 if (_layout
.columns
> (_num_desktops
+ _num_desktops
% _layout
.rows
) /
240 _layout
.columns
= (_num_desktops
+ _num_desktops
% _layout
.rows
) /
243 if (_layout
.columns
> _num_desktops
) _layout
.columns
= _num_desktops
;
244 if (_layout
.rows
> (_num_desktops
+ _num_desktops
% _layout
.columns
) /
246 _layout
.rows
= (_num_desktops
+ _num_desktops
% _layout
.columns
) /
254 void Screen::updateStruts()
257 void operator()(otk::Strut
&self
, const otk::Strut
&other
) {
258 self
.left
= std::max(self
.left
, other
.left
);
259 self
.right
= std::max(self
.right
, other
.right
);
260 self
.top
= std::max(self
.top
, other
.top
);
261 self
.bottom
= std::max(self
.bottom
, other
.bottom
);
265 StrutList::iterator sit
, send
= _struts
.end();
267 for (sit
= _struts
.begin(); sit
!= send
; ++sit
)
268 sit
->left
= sit
->right
= sit
->top
= sit
->bottom
= 0;
270 ClientList::const_iterator it
, end
= clients
.end();
271 for (it
= clients
.begin(); it
!= end
; ++it
) {
272 if ((*it
)->iconic()) continue; // these dont count in the strut
274 unsigned int desk
= (*it
)->desktop();
275 const otk::Strut
&s
= (*it
)->strut();
277 if (desk
== 0xffffffff)
278 for (unsigned int i
= 0, e
= _struts
.size(); i
< e
; ++i
)
279 apply(_struts
[i
], s
);
280 else if (desk
< _struts
.size())
281 apply(_struts
[desk
], s
);
283 assert(false); // invalid desktop otherwise..
284 // apply to the 'all desktops' strut
285 apply(_struts
.back(), s
);
291 void Screen::changeWorkArea()
293 unsigned long *dims
= new unsigned long[4 * _num_desktops
];
294 for (unsigned int i
= 0; i
< _num_desktops
+ 1; ++i
) {
295 otk::Rect old_area
= _area
[i
];
298 // reset to the full areas
299 if (isXineramaActive())
300 xineramaUsableArea = getXineramaAreas();
304 _area
[i
] = otk::Rect(_struts
[i
].left
, _struts
[i
].top
,
305 _info
->size().width() - (_struts
[i
].left
+
307 _info
->size().height() - (_struts
[i
].top
+
312 if (isXineramaActive()) {
313 // keep each of the ximerama-defined areas inside the strut
314 RectList::iterator xit, xend = xineramaUsableArea.end();
315 for (xit = xineramaUsableArea.begin(); xit != xend; ++xit) {
316 if (xit->x() < usableArea.x()) {
317 xit->setX(usableArea.x());
318 xit->setWidth(xit->width() - usableArea.x());
320 if (xit->y() < usableArea.y()) {
321 xit->setY(usableArea.y());
322 xit->setHeight(xit->height() - usableArea.y());
324 if (xit->x() + xit->width() > usableArea.width())
325 xit->setWidth(usableArea.width() - xit->x());
326 if (xit->y() + xit->height() > usableArea.height())
327 xit->setHeight(usableArea.height() - xit->y());
332 if (old_area
!= _area
[i
]) {
333 // the area has changed, adjust all the maximized windows
334 ClientList::iterator it
, end
= clients
.end();
335 for (it
= clients
.begin(); it
!= end
; ++it
)
336 if (i
< _num_desktops
) {
337 if ((*it
)->desktop() == i
)
340 // the 'all desktops' size
341 if ((*it
)->desktop() == 0xffffffff)
346 // don't set these for the 'all desktops' area
347 if (i
< _num_desktops
) {
348 dims
[(i
* 4) + 0] = _area
[i
].x();
349 dims
[(i
* 4) + 1] = _area
[i
].y();
350 dims
[(i
* 4) + 2] = _area
[i
].width();
351 dims
[(i
* 4) + 3] = _area
[i
].height();
354 otk::Property::set(_info
->rootWindow(), otk::Property::atoms
.net_workarea
,
355 otk::Property::atoms
.cardinal
, dims
, 4 * _num_desktops
);
360 void Screen::changeSupportedAtoms()
362 // create the netwm support window
363 _supportwindow
= XCreateSimpleWindow(**otk::display
,
365 0, 0, 1, 1, 0, 0, 0);
367 // set supporting window
368 otk::Property::set(_info
->rootWindow(),
369 otk::Property::atoms
.net_supporting_wm_check
,
370 otk::Property::atoms
.window
, _supportwindow
);
372 //set properties on the supporting window
373 otk::Property::set(_supportwindow
, otk::Property::atoms
.net_wm_name
,
374 otk::Property::utf8
, "Openbox");
375 otk::Property::set(_supportwindow
,
376 otk::Property::atoms
.net_supporting_wm_check
,
377 otk::Property::atoms
.window
, _supportwindow
);
381 otk::Property::atoms
.net_current_desktop
,
382 otk::Property::atoms
.net_number_of_desktops
,
383 otk::Property::atoms
.net_desktop_geometry
,
384 otk::Property::atoms
.net_desktop_viewport
,
385 otk::Property::atoms
.net_active_window
,
386 otk::Property::atoms
.net_workarea
,
387 otk::Property::atoms
.net_client_list
,
388 otk::Property::atoms
.net_client_list_stacking
,
389 otk::Property::atoms
.net_desktop_names
,
390 otk::Property::atoms
.net_close_window
,
391 otk::Property::atoms
.net_desktop_layout
,
392 otk::Property::atoms
.net_showing_desktop
,
393 otk::Property::atoms
.net_wm_name
,
394 otk::Property::atoms
.net_wm_visible_name
,
395 otk::Property::atoms
.net_wm_icon_name
,
396 otk::Property::atoms
.net_wm_visible_icon_name
,
397 otk::Property::atoms
.net_wm_desktop
,
398 otk::Property::atoms
.net_wm_strut
,
399 otk::Property::atoms
.net_wm_window_type
,
400 otk::Property::atoms
.net_wm_window_type_desktop
,
401 otk::Property::atoms
.net_wm_window_type_dock
,
402 otk::Property::atoms
.net_wm_window_type_toolbar
,
403 otk::Property::atoms
.net_wm_window_type_menu
,
404 otk::Property::atoms
.net_wm_window_type_utility
,
405 otk::Property::atoms
.net_wm_window_type_splash
,
406 otk::Property::atoms
.net_wm_window_type_dialog
,
407 otk::Property::atoms
.net_wm_window_type_normal
,
409 otk::Property::atoms.net_wm_moveresize,
410 otk::Property::atoms.net_wm_moveresize_size_topleft,
411 otk::Property::atoms.net_wm_moveresize_size_topright,
412 otk::Property::atoms.net_wm_moveresize_size_bottomleft,
413 otk::Property::atoms.net_wm_moveresize_size_bottomright,
414 otk::Property::atoms.net_wm_moveresize_move,
416 otk::Property::atoms
.net_wm_allowed_actions
,
417 otk::Property::atoms
.net_wm_action_move
,
418 otk::Property::atoms
.net_wm_action_resize
,
419 otk::Property::atoms
.net_wm_action_minimize
,
420 otk::Property::atoms
.net_wm_action_shade
,
421 /* otk::Property::atoms.net_wm_action_stick,*/
422 otk::Property::atoms
.net_wm_action_maximize_horz
,
423 otk::Property::atoms
.net_wm_action_maximize_vert
,
424 otk::Property::atoms
.net_wm_action_fullscreen
,
425 otk::Property::atoms
.net_wm_action_change_desktop
,
426 otk::Property::atoms
.net_wm_action_close
,
428 otk::Property::atoms
.net_wm_state
,
429 otk::Property::atoms
.net_wm_state_modal
,
430 otk::Property::atoms
.net_wm_state_maximized_vert
,
431 otk::Property::atoms
.net_wm_state_maximized_horz
,
432 otk::Property::atoms
.net_wm_state_shaded
,
433 otk::Property::atoms
.net_wm_state_skip_taskbar
,
434 otk::Property::atoms
.net_wm_state_skip_pager
,
435 otk::Property::atoms
.net_wm_state_hidden
,
436 otk::Property::atoms
.net_wm_state_fullscreen
,
437 otk::Property::atoms
.net_wm_state_above
,
438 otk::Property::atoms
.net_wm_state_below
,
440 const int num_supported
= sizeof(supported
)/sizeof(Atom
);
442 otk::Property::set(_info
->rootWindow(), otk::Property::atoms
.net_supported
,
443 otk::Property::atoms
.atom
, supported
, num_supported
);
447 void Screen::changeClientList()
450 unsigned int size
= clients
.size();
452 // create an array of the window ids
456 windows
= new Window
[size
];
458 ClientList::const_iterator it
= clients
.begin();
459 const ClientList::const_iterator end
= clients
.end();
460 for (; it
!= end
; ++it
, ++win_it
)
461 *win_it
= (*it
)->window();
463 windows
= (Window
*) 0;
465 otk::Property::set(_info
->rootWindow(), otk::Property::atoms
.net_client_list
,
466 otk::Property::atoms
.window
, windows
, size
);
471 changeStackingList();
475 void Screen::changeStackingList()
478 unsigned int size
= _stacking
.size();
480 assert(size
== clients
.size()); // just making sure.. :)
483 // create an array of the window ids (from bottom to top, reverse order!)
487 windows
= new Window
[size
];
489 ClientList::const_reverse_iterator it
= _stacking
.rbegin();
490 const ClientList::const_reverse_iterator end
= _stacking
.rend();
491 for (; it
!= end
; ++it
, ++win_it
)
492 *win_it
= (*it
)->window();
494 windows
= (Window
*) 0;
496 otk::Property::set(_info
->rootWindow(),
497 otk::Property::atoms
.net_client_list_stacking
,
498 otk::Property::atoms
.window
, windows
, size
);
505 void Screen::manageWindow(Window window
)
509 XSetWindowAttributes attrib_set
;
511 XWindowAttributes attrib
;
513 otk::display
->grab();
515 // check if it has already been unmapped by the time we started mapping
516 // the grab does a sync so we don't have to here
517 if (XCheckTypedWindowEvent(**otk::display
, window
, DestroyNotify
, &e
) ||
518 XCheckTypedWindowEvent(**otk::display
, window
, UnmapNotify
, &e
)) {
519 XPutBackEvent(**otk::display
, &e
);
521 otk::display
->ungrab();
522 return; // don't manage it
525 if (!XGetWindowAttributes(**otk::display
, window
, &attrib
) ||
526 attrib
.override_redirect
) {
527 otk::display
->ungrab();
528 return; // don't manage it
531 // is the window a docking app
532 if ((wmhint
= XGetWMHints(**otk::display
, window
))) {
533 if ((wmhint
->flags
& StateHint
) &&
534 wmhint
->initial_state
== WithdrawnState
) {
535 //slit->addClient(w); // XXX: make dock apps work!
537 otk::display
->ungrab();
544 // choose the events we want to receive on the CLIENT window
545 attrib_set
.event_mask
= Client::event_mask
;
546 attrib_set
.do_not_propagate_mask
= Client::no_propagate_mask
;
547 XChangeWindowAttributes(**otk::display
, window
,
548 CWEventMask
|CWDontPropagate
, &attrib_set
);
550 // create the Client class, which gets all of the hints on the window
551 client
= new Client(_number
, window
);
552 // register for events
553 openbox
->registerHandler(window
, client
);
554 // add to the wm's map
555 openbox
->addClient(window
, client
);
557 // we dont want a border on the client
558 client
->toggleClientBorder(false);
560 // specify that if we exit, the window should not be destroyed and should be
561 // reparented back to root automatically
562 XChangeSaveSet(**otk::display
, window
, SetModeInsert
);
564 // create the decoration frame for the client window
565 client
->frame
= new Frame(client
);
566 // register the plate for events (map req's)
567 // this involves removing itself from the handler list first, since it is
568 // auto added to the list, being a widget. we won't get any events on the
569 // plate except for events for the client (SubstructureRedirectMask)
570 openbox
->clearHandler(client
->frame
->plate());
571 openbox
->registerHandler(client
->frame
->plate(), client
);
573 // add to the wm's map
574 Window
*w
= client
->frame
->allWindows();
575 for (unsigned int i
= 0; w
[i
]; ++i
)
576 openbox
->addClient(w
[i
], client
);
579 // reparent the client to the frame
580 client
->frame
->grabClient();
582 if (openbox
->state() != Openbox::State_Starting
) {
583 // position the window intelligenty .. hopefully :)
584 // call the python PLACEWINDOW binding
585 EventData
data(_number
, client
, EventAction::PlaceWindow
, 0);
586 openbox
->bindings()->fireEvent(&data
);
589 EventData
ddata(_number
, client
, EventAction::DisplayingWindow
, 0);
590 openbox
->bindings()->fireEvent(&ddata
);
594 client
->applyStartupState();
596 otk::display
->ungrab();
598 // add to the screen's list
599 clients
.push_back(client
);
600 // once the client is in the list, update our strut to include the new
601 // client's (it is good that this happens after window placement!)
603 // this puts into the stacking order, then raises it
604 _stacking
.push_back(client
);
606 // update the root properties
609 openbox
->bindings()->grabButtons(true, client
);
611 EventData
ndata(_number
, client
, EventAction::NewWindow
, 0);
612 openbox
->bindings()->fireEvent(&ndata
);
615 printf("Managed window 0x%lx frame 0x%lx\n",
616 window
, client
->frame
->window());
621 void Screen::unmanageWindow(Client
*client
)
623 Frame
*frame
= client
->frame
;
625 // call the python CLOSEWINDOW binding
626 EventData
data(_number
, client
, EventAction::CloseWindow
, 0);
627 openbox
->bindings()->fireEvent(&data
);
629 openbox
->bindings()->grabButtons(false, client
);
631 // remove from the wm's map
632 openbox
->removeClient(client
->window());
633 Window
*w
= frame
->allWindows();
634 for (unsigned int i
= 0; w
[i
]; ++i
)
635 openbox
->addClient(w
[i
], client
);
637 // unregister for handling events
638 openbox
->clearHandler(client
->window());
640 // remove the window from our save set
641 XChangeSaveSet(**otk::display
, client
->window(), SetModeDelete
);
643 // we dont want events no more
644 XSelectInput(**otk::display
, client
->window(), NoEventMask
);
648 // give the client its border back
649 client
->toggleClientBorder(true);
651 // reparent the window out of the frame
652 frame
->releaseClient();
655 Window framewin
= client
->frame
->window();
657 delete client
->frame
;
660 // remove from the stacking order
661 _stacking
.remove(client
);
663 // remove from the screen's list
664 clients
.remove(client
);
666 // once the client is out of the list, update our strut to remove it's
670 // unset modal before dropping our focus
671 client
->_modal
= false;
673 // unfocus the client (calls the focus callbacks)
674 if (client
->focused()) client
->unfocus();
677 printf("Unmanaged window 0x%lx frame 0x%lx\n", client
->window(), framewin
);
682 // update the root properties
686 void Screen::lowerWindow(Client
*client
)
688 Window wins
[2]; // only ever restack 2 windows.
690 assert(!_stacking
.empty()); // this would be bad
692 ClientList::iterator it
= --_stacking
.end();
693 const ClientList::iterator end
= _stacking
.begin();
695 if (client
->modal() && client
->transientFor()) {
696 // don't let a modal window lower below its transient_for
697 it
= std::find(_stacking
.begin(), _stacking
.end(), client
->transientFor());
698 assert(it
!= _stacking
.end());
700 wins
[0] = (it
== _stacking
.begin() ? _focuswindow
:
701 ((*(--ClientList::const_iterator(it
)))->frame
->window()));
702 wins
[1] = client
->frame
->window();
703 if (wins
[0] == wins
[1]) return; // already right above the window
705 _stacking
.remove(client
);
706 _stacking
.insert(it
, client
);
708 for (; it
!= end
&& (*it
)->layer() < client
->layer(); --it
);
709 if (*it
== client
) return; // already the bottom, return
711 wins
[0] = (*it
)->frame
->window();
712 wins
[1] = client
->frame
->window();
714 _stacking
.remove(client
);
715 _stacking
.insert(++it
, client
);
718 XRestackWindows(**otk::display
, wins
, 2);
719 changeStackingList();
722 void Screen::raiseWindow(Client
*client
)
724 Window wins
[2]; // only ever restack 2 windows.
726 assert(!_stacking
.empty()); // this would be bad
728 Client
*m
= client
->findModalChild();
729 // if we have a modal child, raise it instead, we'll go along tho later
730 if (m
) raiseWindow(m
);
732 // remove the client before looking so we can't run into ourselves
733 _stacking
.remove(client
);
735 ClientList::iterator it
= _stacking
.begin();
736 const ClientList::iterator end
= _stacking
.end();
738 // the stacking list is from highest to lowest
739 for (; it
!= end
&& ((*it
)->layer() > client
->layer() || m
== *it
); ++it
);
742 if our new position is the top, we want to stack under the _focuswindow
743 otherwise, we want to stack under the previous window in the stack.
745 wins
[0] = (it
== _stacking
.begin() ? _focuswindow
:
746 ((*(--ClientList::const_iterator(it
)))->frame
->window()));
747 wins
[1] = client
->frame
->window();
749 _stacking
.insert(it
, client
);
751 XRestackWindows(**otk::display
, wins
, 2);
753 changeStackingList();
756 void Screen::changeDesktop(unsigned int desktop
)
758 if (desktop
>= _num_desktops
) return;
760 printf("Moving to desktop %u\n", desktop
);
762 unsigned int old
= _desktop
;
765 otk::Property::set(_info
->rootWindow(),
766 otk::Property::atoms
.net_current_desktop
,
767 otk::Property::atoms
.cardinal
, _desktop
);
769 if (old
== _desktop
) return;
771 ClientList::iterator it
, end
= clients
.end();
772 for (it
= clients
.begin(); it
!= end
; ++it
)
775 // force the callbacks to fire
776 if (!openbox
->focusedClient())
777 openbox
->setFocusedClient(0);
780 void Screen::changeNumDesktops(unsigned int num
)
784 if (!(num
> 0)) return;
786 // move windows on desktops that will no longer exist!
787 ClientList::iterator it
, end
= clients
.end();
788 for (it
= clients
.begin(); it
!= end
; ++it
) {
789 unsigned int d
= (*it
)->desktop();
790 if (d
>= num
&& d
!= 0xffffffff) {
792 ce
.xclient
.type
= ClientMessage
;
793 ce
.xclient
.message_type
= otk::Property::atoms
.net_wm_desktop
;
794 ce
.xclient
.display
= **otk::display
;
795 ce
.xclient
.window
= (*it
)->window();
796 ce
.xclient
.format
= 32;
797 ce
.xclient
.data
.l
[0] = num
- 1;
798 XSendEvent(**otk::display
, _info
->rootWindow(), False
,
799 SubstructureNotifyMask
| SubstructureRedirectMask
, &ce
);
804 otk::Property::set(_info
->rootWindow(),
805 otk::Property::atoms
.net_number_of_desktops
,
806 otk::Property::atoms
.cardinal
, _num_desktops
);
808 // set the viewport hint
809 unsigned long *viewport
= new unsigned long[_num_desktops
* 2];
810 memset(viewport
, 0, sizeof(unsigned long) * _num_desktops
* 2);
811 otk::Property::set(_info
->rootWindow(),
812 otk::Property::atoms
.net_desktop_viewport
,
813 otk::Property::atoms
.cardinal
,
814 viewport
, _num_desktops
* 2);
817 // change our struts/area to match
818 _area
.resize(_num_desktops
+ 1);
819 _struts
.resize(_num_desktops
+ 1);
822 // the number of rows/columns will differ
823 updateDesktopLayout();
825 // change our desktop if we're on one that no longer exists!
826 if (_desktop
>= _num_desktops
)
827 changeDesktop(_num_desktops
- 1);
831 void Screen::updateDesktopNames()
833 unsigned long num
= (unsigned) -1;
835 if (!otk::Property::get(_info
->rootWindow(),
836 otk::Property::atoms
.net_desktop_names
,
837 otk::Property::utf8
, &num
, &_desktop_names
))
838 _desktop_names
.clear();
839 while (_desktop_names
.size() < _num_desktops
)
840 _desktop_names
.push_back("Unnamed");
844 void Screen::setDesktopName(unsigned int i
, const otk::ustring
&name
)
846 if (i
>= _num_desktops
) return;
848 otk::Property::StringVect newnames
= _desktop_names
;
850 otk::Property::set(_info
->rootWindow(),
851 otk::Property::atoms
.net_desktop_names
,
852 otk::Property::utf8
, newnames
);
855 otk::ustring
Screen::desktopName(unsigned int i
) const
857 if (i
>= _num_desktops
) return "";
858 return _desktop_names
[i
];
861 const otk::Rect
& Screen::area(unsigned int desktop
) const {
862 assert(desktop
< _num_desktops
|| desktop
== 0xffffffff);
863 if (desktop
< _num_desktops
)
864 return _area
[desktop
];
866 return _area
[_num_desktops
];
869 void Screen::installColormap(bool install
) const
872 XInstallColormap(**otk::display
, _info
->colormap());
874 XUninstallColormap(**otk::display
, _info
->colormap());
877 void Screen::showDesktop(bool show
)
879 if (show
== _showing_desktop
) return; // no change
881 // save the window focus, and restore it when leaving the show-desktop mode
882 static Window saved_focus
= 0;
884 Client
*c
= openbox
->focusedClient();
885 if (c
) saved_focus
= c
->window();
888 _showing_desktop
= show
;
890 ClientList::iterator it
, end
= clients
.end();
891 for (it
= clients
.begin(); it
!= end
; ++it
) {
892 if ((*it
)->type() == Client::Type_Desktop
) {
900 Client
*f
= openbox
->focusedClient();
901 if (!f
|| f
->type() == Client::Type_Desktop
) {
902 Client
*c
= openbox
->findClient(saved_focus
);
907 otk::Property::set(_info
->rootWindow(),
908 otk::Property::atoms
.net_showing_desktop
,
909 otk::Property::atoms
.cardinal
,
913 void Screen::propertyHandler(const XPropertyEvent
&e
)
915 otk::EventHandler::propertyHandler(e
);
917 // compress changes to a single property into a single change
919 while (XCheckTypedWindowEvent(**otk::display
, _info
->rootWindow(),
921 // XXX: it would be nice to compress ALL changes to a property, not just
922 // changes in a row without other props between.
923 if (ce
.xproperty
.atom
!= e
.atom
) {
924 XPutBackEvent(**otk::display
, &ce
);
929 if (e
.atom
== otk::Property::atoms
.net_desktop_names
)
930 updateDesktopNames();
931 else if (e
.atom
== otk::Property::atoms
.net_desktop_layout
)
932 updateDesktopLayout();
936 void Screen::clientMessageHandler(const XClientMessageEvent
&e
)
938 otk::EventHandler::clientMessageHandler(e
);
940 if (e
.format
!= 32) return;
942 if (e
.message_type
== otk::Property::atoms
.net_current_desktop
) {
943 changeDesktop(e
.data
.l
[0]);
944 } else if (e
.message_type
== otk::Property::atoms
.net_number_of_desktops
) {
945 changeNumDesktops(e
.data
.l
[0]);
946 } else if (e
.message_type
== otk::Property::atoms
.net_showing_desktop
) {
947 showDesktop(e
.data
.l
[0] != 0);
952 void Screen::mapRequestHandler(const XMapRequestEvent
&e
)
954 otk::EventHandler::mapRequestHandler(e
);
957 printf("MapRequest for 0x%lx\n", e
.window
);
960 Client
*c
= openbox
->findClient(e
.window
);
963 printf("DEBUG: MAP REQUEST CAUGHT IN SCREEN. IGNORED.\n");
966 if (_showing_desktop
)
967 showDesktop(false); // leave showing-the-desktop mode
968 manageWindow(e
.window
);