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 // set up notification of netwm support
71 changeSupportedAtoms();
73 // Set the netwm properties for geometry
74 unsigned long geometry
[] = { _info
->size().width(),
75 _info
->size().height() };
76 otk::Property::set(_info
->rootWindow(),
77 otk::Property::atoms
.net_desktop_geometry
,
78 otk::Property::atoms
.cardinal
, geometry
, 2);
82 changeNumDesktops(4); // set the hint
83 changeDesktop(0); // set the hint
85 // don't start in showing-desktop mode
86 _showing_desktop
= false;
87 otk::Property::set(_info
->rootWindow(),
88 otk::Property::atoms
.net_showing_desktop
,
89 otk::Property::atoms
.cardinal
, 0);
91 // create the window which gets focus when no clients get it
92 XSetWindowAttributes attr
;
93 attr
.override_redirect
= true;
94 _focuswindow
= XCreateWindow(**otk::display
, _info
->rootWindow(),
95 -100, -100, 1, 1, 0, 0, InputOnly
,
96 _info
->visual(), CWOverrideRedirect
, &attr
);
97 XMapRaised(**otk::display
, _focuswindow
);
99 // these may be further updated if any pre-existing windows are found in
100 // the manageExising() function
101 changeClientList(); // initialize the client lists, which will be empty
103 updateDesktopLayout();
105 // register this class as the event handler for the root window
106 openbox
->registerHandler(_info
->rootWindow(), this);
108 // call the python Startup callbacks
109 EventData
data(_number
, 0, EventAction::Startup
, 0);
110 openbox
->bindings()->fireEvent(&data
);
116 if (! _managed
) return;
118 XSelectInput(**otk::display
, _info
->rootWindow(), NoEventMask
);
120 // unmanage all windows
121 while (!clients
.empty())
122 unmanageWindow(clients
.front());
124 // call the python Shutdown callbacks
125 EventData
data(_number
, 0, EventAction::Shutdown
, 0);
126 openbox
->bindings()->fireEvent(&data
);
128 XDestroyWindow(**otk::display
, _focuswindow
);
129 XDestroyWindow(**otk::display
, _supportwindow
);
133 void Screen::manageExisting()
135 unsigned int i
, j
, nchild
;
136 Window r
, p
, *children
;
137 XQueryTree(**otk::display
, _info
->rootWindow(), &r
, &p
,
140 // preen the window list of all icon windows... for better dockapp support
141 for (i
= 0; i
< nchild
; i
++) {
142 if (children
[i
] == None
) continue;
144 XWMHints
*wmhints
= XGetWMHints(**otk::display
,
148 if ((wmhints
->flags
& IconWindowHint
) &&
149 (wmhints
->icon_window
!= children
[i
])) {
150 for (j
= 0; j
< nchild
; j
++) {
151 if (children
[j
] == wmhints
->icon_window
) {
162 // manage shown windows
163 for (i
= 0; i
< nchild
; ++i
) {
164 if (children
[i
] == None
)
167 XWindowAttributes attrib
;
168 if (XGetWindowAttributes(**otk::display
, children
[i
], &attrib
)) {
169 if (attrib
.override_redirect
) continue;
171 if (attrib
.map_state
!= IsUnmapped
) {
172 manageWindow(children
[i
]);
180 void Screen::updateDesktopLayout()
182 //const unsigned long _NET_WM_ORIENTATION_HORZ = 0;
183 const unsigned long _NET_WM_ORIENTATION_VERT
= 1;
184 //const unsigned long _NET_WM_TOPLEFT = 0;
185 const unsigned long _NET_WM_TOPRIGHT
= 1;
186 const unsigned long _NET_WM_BOTTOMRIGHT
= 2;
187 const unsigned long _NET_WM_BOTTOMLEFT
= 3;
190 _layout
.orientation
= DesktopLayout::Horizontal
;
191 _layout
.start_corner
= DesktopLayout::TopLeft
;
193 _layout
.columns
= _num_desktops
;
195 unsigned long *data
, num
= 4;
196 if (otk::Property::get(_info
->rootWindow(),
197 otk::Property::atoms
.net_desktop_layout
,
198 otk::Property::atoms
.cardinal
,
201 if (data
[0] == _NET_WM_ORIENTATION_VERT
)
202 _layout
.orientation
= DesktopLayout::Vertical
;
203 if (data
[3] == _NET_WM_TOPRIGHT
)
204 _layout
.start_corner
= DesktopLayout::TopRight
;
205 else if (data
[3] == _NET_WM_BOTTOMRIGHT
)
206 _layout
.start_corner
= DesktopLayout::BottomRight
;
207 else if (data
[3] == _NET_WM_BOTTOMLEFT
)
208 _layout
.start_corner
= DesktopLayout::BottomLeft
;
210 // fill in a zero rows/columns
211 if (!(data
[1] == 0 && data
[2] == 0)) { // both 0's is bad data..
213 data
[1] = (_num_desktops
+ _num_desktops
% data
[2]) / data
[2];
214 } else if (data
[2] == 0) {
215 data
[2] = (_num_desktops
+ _num_desktops
% data
[1]) / data
[1];
217 _layout
.columns
= data
[1];
218 _layout
.rows
= data
[2];
222 if (_layout
.orientation
== DesktopLayout::Horizontal
) {
223 if (_layout
.rows
> _num_desktops
) _layout
.rows
= _num_desktops
;
224 if (_layout
.columns
> (_num_desktops
+ _num_desktops
% _layout
.rows
) /
226 _layout
.columns
= (_num_desktops
+ _num_desktops
% _layout
.rows
) /
229 if (_layout
.columns
> _num_desktops
) _layout
.columns
= _num_desktops
;
230 if (_layout
.rows
> (_num_desktops
+ _num_desktops
% _layout
.columns
) /
232 _layout
.rows
= (_num_desktops
+ _num_desktops
% _layout
.columns
) /
240 void Screen::updateStruts()
243 void operator()(otk::Strut
&self
, const otk::Strut
&other
) {
244 self
.left
= std::max(self
.left
, other
.left
);
245 self
.right
= std::max(self
.right
, other
.right
);
246 self
.top
= std::max(self
.top
, other
.top
);
247 self
.bottom
= std::max(self
.bottom
, other
.bottom
);
251 StrutList::iterator sit
, send
= _struts
.end();
253 for (sit
= _struts
.begin(); sit
!= send
; ++sit
)
254 sit
->left
= sit
->right
= sit
->top
= sit
->bottom
= 0;
256 std::list
<Client
*>::const_iterator it
, end
= clients
.end();
257 for (it
= clients
.begin(); it
!= end
; ++it
) {
258 if ((*it
)->iconic()) continue; // these dont count in the strut
260 unsigned int desk
= (*it
)->desktop();
261 const otk::Strut
&s
= (*it
)->strut();
263 if (desk
== 0xffffffff)
264 for (unsigned int i
= 0, e
= _struts
.size(); i
< e
; ++i
)
265 apply(_struts
[i
], s
);
266 else if (desk
< _struts
.size())
267 apply(_struts
[desk
], s
);
269 assert(false); // invalid desktop otherwise..
270 // apply to the 'all desktops' strut
271 apply(_struts
.back(), s
);
277 void Screen::changeWorkArea()
279 unsigned long *dims
= new unsigned long[4 * _num_desktops
];
280 for (unsigned int i
= 0; i
< _num_desktops
+ 1; ++i
) {
281 otk::Rect old_area
= _area
[i
];
284 // reset to the full areas
285 if (isXineramaActive())
286 xineramaUsableArea = getXineramaAreas();
290 _area
[i
] = otk::Rect(_struts
[i
].left
, _struts
[i
].top
,
291 _info
->size().width() - (_struts
[i
].left
+
293 _info
->size().height() - (_struts
[i
].top
+
298 if (isXineramaActive()) {
299 // keep each of the ximerama-defined areas inside the strut
300 RectList::iterator xit, xend = xineramaUsableArea.end();
301 for (xit = xineramaUsableArea.begin(); xit != xend; ++xit) {
302 if (xit->x() < usableArea.x()) {
303 xit->setX(usableArea.x());
304 xit->setWidth(xit->width() - usableArea.x());
306 if (xit->y() < usableArea.y()) {
307 xit->setY(usableArea.y());
308 xit->setHeight(xit->height() - usableArea.y());
310 if (xit->x() + xit->width() > usableArea.width())
311 xit->setWidth(usableArea.width() - xit->x());
312 if (xit->y() + xit->height() > usableArea.height())
313 xit->setHeight(usableArea.height() - xit->y());
318 if (old_area
!= _area
[i
]) {
319 // the area has changed, adjust all the maximized windows
320 std::list
<Client
*>::iterator it
, end
= clients
.end();
321 for (it
= clients
.begin(); it
!= end
; ++it
)
322 if (i
< _num_desktops
) {
323 if ((*it
)->desktop() == i
)
326 // the 'all desktops' size
327 if ((*it
)->desktop() == 0xffffffff)
332 // don't set these for the 'all desktops' area
333 if (i
< _num_desktops
) {
334 dims
[(i
* 4) + 0] = _area
[i
].x();
335 dims
[(i
* 4) + 1] = _area
[i
].y();
336 dims
[(i
* 4) + 2] = _area
[i
].width();
337 dims
[(i
* 4) + 3] = _area
[i
].height();
340 otk::Property::set(_info
->rootWindow(), otk::Property::atoms
.net_workarea
,
341 otk::Property::atoms
.cardinal
, dims
, 4 * _num_desktops
);
346 void Screen::changeSupportedAtoms()
348 // create the netwm support window
349 _supportwindow
= XCreateSimpleWindow(**otk::display
,
351 0, 0, 1, 1, 0, 0, 0);
353 // set supporting window
354 otk::Property::set(_info
->rootWindow(),
355 otk::Property::atoms
.net_supporting_wm_check
,
356 otk::Property::atoms
.window
, _supportwindow
);
358 //set properties on the supporting window
359 otk::Property::set(_supportwindow
, otk::Property::atoms
.net_wm_name
,
360 otk::Property::utf8
, "Openbox");
361 otk::Property::set(_supportwindow
,
362 otk::Property::atoms
.net_supporting_wm_check
,
363 otk::Property::atoms
.window
, _supportwindow
);
367 otk::Property::atoms
.net_current_desktop
,
368 otk::Property::atoms
.net_number_of_desktops
,
369 otk::Property::atoms
.net_desktop_geometry
,
370 otk::Property::atoms
.net_desktop_viewport
,
371 otk::Property::atoms
.net_active_window
,
372 otk::Property::atoms
.net_workarea
,
373 otk::Property::atoms
.net_client_list
,
374 otk::Property::atoms
.net_client_list_stacking
,
375 otk::Property::atoms
.net_desktop_names
,
376 otk::Property::atoms
.net_close_window
,
377 otk::Property::atoms
.net_desktop_layout
,
378 otk::Property::atoms
.net_showing_desktop
,
379 otk::Property::atoms
.net_wm_name
,
380 otk::Property::atoms
.net_wm_visible_name
,
381 otk::Property::atoms
.net_wm_icon_name
,
382 otk::Property::atoms
.net_wm_visible_icon_name
,
383 otk::Property::atoms
.net_wm_desktop
,
384 otk::Property::atoms
.net_wm_strut
,
385 otk::Property::atoms
.net_wm_window_type
,
386 otk::Property::atoms
.net_wm_window_type_desktop
,
387 otk::Property::atoms
.net_wm_window_type_dock
,
388 otk::Property::atoms
.net_wm_window_type_toolbar
,
389 otk::Property::atoms
.net_wm_window_type_menu
,
390 otk::Property::atoms
.net_wm_window_type_utility
,
391 otk::Property::atoms
.net_wm_window_type_splash
,
392 otk::Property::atoms
.net_wm_window_type_dialog
,
393 otk::Property::atoms
.net_wm_window_type_normal
,
395 otk::Property::atoms.net_wm_moveresize,
396 otk::Property::atoms.net_wm_moveresize_size_topleft,
397 otk::Property::atoms.net_wm_moveresize_size_topright,
398 otk::Property::atoms.net_wm_moveresize_size_bottomleft,
399 otk::Property::atoms.net_wm_moveresize_size_bottomright,
400 otk::Property::atoms.net_wm_moveresize_move,
402 otk::Property::atoms
.net_wm_allowed_actions
,
403 otk::Property::atoms
.net_wm_action_move
,
404 otk::Property::atoms
.net_wm_action_resize
,
405 otk::Property::atoms
.net_wm_action_minimize
,
406 otk::Property::atoms
.net_wm_action_shade
,
407 /* otk::Property::atoms.net_wm_action_stick,*/
408 otk::Property::atoms
.net_wm_action_maximize_horz
,
409 otk::Property::atoms
.net_wm_action_maximize_vert
,
410 otk::Property::atoms
.net_wm_action_fullscreen
,
411 otk::Property::atoms
.net_wm_action_change_desktop
,
412 otk::Property::atoms
.net_wm_action_close
,
414 otk::Property::atoms
.net_wm_state
,
415 otk::Property::atoms
.net_wm_state_modal
,
416 otk::Property::atoms
.net_wm_state_maximized_vert
,
417 otk::Property::atoms
.net_wm_state_maximized_horz
,
418 otk::Property::atoms
.net_wm_state_shaded
,
419 otk::Property::atoms
.net_wm_state_skip_taskbar
,
420 otk::Property::atoms
.net_wm_state_skip_pager
,
421 otk::Property::atoms
.net_wm_state_hidden
,
422 otk::Property::atoms
.net_wm_state_fullscreen
,
423 otk::Property::atoms
.net_wm_state_above
,
424 otk::Property::atoms
.net_wm_state_below
,
426 const int num_supported
= sizeof(supported
)/sizeof(Atom
);
428 otk::Property::set(_info
->rootWindow(), otk::Property::atoms
.net_supported
,
429 otk::Property::atoms
.atom
, supported
, num_supported
);
433 void Screen::changeClientList()
436 unsigned int size
= clients
.size();
438 // create an array of the window ids
442 windows
= new Window
[size
];
444 std::list
<Client
*>::const_iterator it
= clients
.begin();
445 const std::list
<Client
*>::const_iterator end
= clients
.end();
446 for (; it
!= end
; ++it
, ++win_it
)
447 *win_it
= (*it
)->window();
449 windows
= (Window
*) 0;
451 otk::Property::set(_info
->rootWindow(), otk::Property::atoms
.net_client_list
,
452 otk::Property::atoms
.window
, windows
, size
);
457 changeStackingList();
461 void Screen::changeStackingList()
464 unsigned int size
= _stacking
.size();
466 assert(size
== clients
.size()); // just making sure.. :)
469 // create an array of the window ids (from bottom to top, reverse order!)
473 windows
= new Window
[size
];
475 std::list
<Client
*>::const_reverse_iterator it
= _stacking
.rbegin();
476 const std::list
<Client
*>::const_reverse_iterator end
= _stacking
.rend();
477 for (; it
!= end
; ++it
, ++win_it
)
478 *win_it
= (*it
)->window();
480 windows
= (Window
*) 0;
482 otk::Property::set(_info
->rootWindow(),
483 otk::Property::atoms
.net_client_list_stacking
,
484 otk::Property::atoms
.window
, windows
, size
);
491 void Screen::manageWindow(Window window
)
495 XSetWindowAttributes attrib_set
;
497 XWindowAttributes attrib
;
499 otk::display
->grab();
501 // check if it has already been unmapped by the time we started mapping
502 // the grab does a sync so we don't have to here
503 if (XCheckTypedWindowEvent(**otk::display
, window
, DestroyNotify
, &e
) ||
504 XCheckTypedWindowEvent(**otk::display
, window
, UnmapNotify
, &e
)) {
505 XPutBackEvent(**otk::display
, &e
);
507 otk::display
->ungrab();
508 return; // don't manage it
511 if (!XGetWindowAttributes(**otk::display
, window
, &attrib
) ||
512 attrib
.override_redirect
) {
513 otk::display
->ungrab();
514 return; // don't manage it
517 // is the window a docking app
518 if ((wmhint
= XGetWMHints(**otk::display
, window
))) {
519 if ((wmhint
->flags
& StateHint
) &&
520 wmhint
->initial_state
== WithdrawnState
) {
521 //slit->addClient(w); // XXX: make dock apps work!
523 otk::display
->ungrab();
530 // choose the events we want to receive on the CLIENT window
531 attrib_set
.event_mask
= Client::event_mask
;
532 attrib_set
.do_not_propagate_mask
= Client::no_propagate_mask
;
533 XChangeWindowAttributes(**otk::display
, window
,
534 CWEventMask
|CWDontPropagate
, &attrib_set
);
536 // create the Client class, which gets all of the hints on the window
537 client
= new Client(_number
, window
);
538 // register for events
539 openbox
->registerHandler(window
, client
);
540 // add to the wm's map
541 openbox
->addClient(window
, client
);
543 // we dont want a border on the client
544 client
->toggleClientBorder(false);
546 // specify that if we exit, the window should not be destroyed and should be
547 // reparented back to root automatically
548 XChangeSaveSet(**otk::display
, window
, SetModeInsert
);
550 // create the decoration frame for the client window
551 client
->frame
= new Frame(client
);
552 // register the plate for events (map req's)
553 // this involves removing itself from the handler list first, since it is
554 // auto added to the list, being a widget. we won't get any events on the
555 // plate except for events for the client (SubstructureRedirectMask)
556 openbox
->clearHandler(client
->frame
->plate());
557 openbox
->registerHandler(client
->frame
->plate(), client
);
559 // add to the wm's map
560 Window
*w
= client
->frame
->allWindows();
561 for (unsigned int i
= 0; w
[i
]; ++i
)
562 openbox
->addClient(w
[i
], client
);
565 // reparent the client to the frame
566 client
->frame
->grabClient();
568 if (openbox
->state() != Openbox::State_Starting
) {
569 // position the window intelligenty .. hopefully :)
570 // call the python PLACEWINDOW binding
571 EventData
data(_number
, client
, EventAction::PlaceWindow
, 0);
572 openbox
->bindings()->fireEvent(&data
);
575 EventData
ddata(_number
, client
, EventAction::DisplayingWindow
, 0);
576 openbox
->bindings()->fireEvent(&ddata
);
580 client
->applyStartupState();
582 otk::display
->ungrab();
584 // add to the screen's list
585 clients
.push_back(client
);
586 // once the client is in the list, update our strut to include the new
587 // client's (it is good that this happens after window placement!)
589 // this puts into the stacking order, then raises it
590 _stacking
.push_back(client
);
592 // update the root properties
595 openbox
->bindings()->grabButtons(true, client
);
597 EventData
ndata(_number
, client
, EventAction::NewWindow
, 0);
598 openbox
->bindings()->fireEvent(&ndata
);
601 printf("Managed window 0x%lx frame 0x%lx\n",
602 window
, client
->frame
->window());
607 void Screen::unmanageWindow(Client
*client
)
609 Frame
*frame
= client
->frame
;
611 // call the python CLOSEWINDOW binding
612 EventData
data(_number
, client
, EventAction::CloseWindow
, 0);
613 openbox
->bindings()->fireEvent(&data
);
615 openbox
->bindings()->grabButtons(false, client
);
617 // remove from the wm's map
618 openbox
->removeClient(client
->window());
619 Window
*w
= frame
->allWindows();
620 for (unsigned int i
= 0; w
[i
]; ++i
)
621 openbox
->addClient(w
[i
], client
);
623 // unregister for handling events
624 openbox
->clearHandler(client
->window());
626 // remove the window from our save set
627 XChangeSaveSet(**otk::display
, client
->window(), SetModeDelete
);
629 // we dont want events no more
630 XSelectInput(**otk::display
, client
->window(), NoEventMask
);
634 // give the client its border back
635 client
->toggleClientBorder(true);
637 // reparent the window out of the frame
638 frame
->releaseClient();
641 Window framewin
= client
->frame
->window();
643 delete client
->frame
;
646 // remove from the stacking order
647 _stacking
.remove(client
);
649 // remove from the screen's list
650 clients
.remove(client
);
652 // once the client is out of the list, update our strut to remove it's
656 // unset modal before dropping our focus
657 client
->_modal
= false;
659 // unfocus the client (calls the focus callbacks)
660 if (client
->focused()) client
->unfocus();
663 printf("Unmanaged window 0x%lx frame 0x%lx\n", client
->window(), framewin
);
668 // update the root properties
672 void Screen::lowerWindow(Client
*client
)
674 Window wins
[2]; // only ever restack 2 windows.
676 assert(!_stacking
.empty()); // this would be bad
678 std::list
<Client
*>::iterator it
= --_stacking
.end();
679 const std::list
<Client
*>::iterator end
= _stacking
.begin();
681 if (client
->modal() && client
->transientFor()) {
682 // don't let a modal window lower below its transient_for
683 it
= std::find(_stacking
.begin(), _stacking
.end(), client
->transientFor());
684 assert(it
!= _stacking
.end());
686 wins
[0] = (it
== _stacking
.begin() ? _focuswindow
:
687 ((*(--std::list
<Client
*>::const_iterator(it
)))->
689 wins
[1] = client
->frame
->window();
690 if (wins
[0] == wins
[1]) return; // already right above the window
692 _stacking
.remove(client
);
693 _stacking
.insert(it
, client
);
695 for (; it
!= end
&& (*it
)->layer() < client
->layer(); --it
);
696 if (*it
== client
) return; // already the bottom, return
698 wins
[0] = (*it
)->frame
->window();
699 wins
[1] = client
->frame
->window();
701 _stacking
.remove(client
);
702 _stacking
.insert(++it
, client
);
705 XRestackWindows(**otk::display
, wins
, 2);
706 changeStackingList();
709 void Screen::raiseWindow(Client
*client
)
711 Window wins
[2]; // only ever restack 2 windows.
713 assert(!_stacking
.empty()); // this would be bad
715 Client
*m
= client
->findModalChild();
716 // if we have a modal child, raise it instead, we'll go along tho later
717 if (m
) raiseWindow(m
);
719 // remove the client before looking so we can't run into ourselves
720 _stacking
.remove(client
);
722 std::list
<Client
*>::iterator it
= _stacking
.begin();
723 const std::list
<Client
*>::iterator end
= _stacking
.end();
725 // the stacking list is from highest to lowest
726 for (; it
!= end
&& ((*it
)->layer() > client
->layer() || m
== *it
); ++it
);
729 if our new position is the top, we want to stack under the _focuswindow
730 otherwise, we want to stack under the previous window in the stack.
732 wins
[0] = (it
== _stacking
.begin() ? _focuswindow
:
733 ((*(--std::list
<Client
*>::const_iterator(it
)))->frame
->window()));
734 wins
[1] = client
->frame
->window();
736 _stacking
.insert(it
, client
);
738 XRestackWindows(**otk::display
, wins
, 2);
740 changeStackingList();
743 void Screen::changeDesktop(unsigned int desktop
)
745 if (desktop
>= _num_desktops
) return;
747 printf("Moving to desktop %u\n", desktop
);
749 unsigned int old
= _desktop
;
752 otk::Property::set(_info
->rootWindow(),
753 otk::Property::atoms
.net_current_desktop
,
754 otk::Property::atoms
.cardinal
, _desktop
);
756 if (old
== _desktop
) return;
758 std::list
<Client
*>::iterator it
, end
= clients
.end();
759 for (it
= clients
.begin(); it
!= end
; ++it
)
762 // force the callbacks to fire
763 if (!openbox
->focusedClient())
764 openbox
->setFocusedClient(0);
767 void Screen::changeNumDesktops(unsigned int num
)
771 if (!(num
> 0)) return;
773 // move windows on desktops that will no longer exist!
774 std::list
<Client
*>::iterator it
, end
= clients
.end();
775 for (it
= clients
.begin(); it
!= end
; ++it
) {
776 unsigned int d
= (*it
)->desktop();
777 if (d
>= num
&& d
!= 0xffffffff) {
779 ce
.xclient
.type
= ClientMessage
;
780 ce
.xclient
.message_type
= otk::Property::atoms
.net_wm_desktop
;
781 ce
.xclient
.display
= **otk::display
;
782 ce
.xclient
.window
= (*it
)->window();
783 ce
.xclient
.format
= 32;
784 ce
.xclient
.data
.l
[0] = num
- 1;
785 XSendEvent(**otk::display
, _info
->rootWindow(), false,
786 SubstructureNotifyMask
| SubstructureRedirectMask
, &ce
);
791 otk::Property::set(_info
->rootWindow(),
792 otk::Property::atoms
.net_number_of_desktops
,
793 otk::Property::atoms
.cardinal
, _num_desktops
);
795 // set the viewport hint
796 unsigned long *viewport
= new unsigned long[_num_desktops
* 2];
797 memset(viewport
, 0, sizeof(unsigned long) * _num_desktops
* 2);
798 otk::Property::set(_info
->rootWindow(),
799 otk::Property::atoms
.net_desktop_viewport
,
800 otk::Property::atoms
.cardinal
,
801 viewport
, _num_desktops
* 2);
804 // change our struts/area to match
805 _area
.resize(_num_desktops
+ 1);
806 _struts
.resize(_num_desktops
+ 1);
809 // the number of rows/columns will differ
810 updateDesktopLayout();
812 // may be some unnamed desktops that we need to fill in with names
813 updateDesktopNames();
815 // change our desktop if we're on one that no longer exists!
816 if (_desktop
>= _num_desktops
)
817 changeDesktop(_num_desktops
- 1);
821 void Screen::updateDesktopNames()
825 if (!otk::Property::get(_info
->rootWindow(),
826 otk::Property::atoms
.net_desktop_names
,
827 otk::Property::utf8
, &num
, &_desktop_names
))
828 _desktop_names
.clear();
829 while (_desktop_names
.size() < _num_desktops
)
830 _desktop_names
.push_back("Unnamed");
834 const otk::Rect
& Screen::area(unsigned int desktop
) const {
835 assert(desktop
< _num_desktops
|| desktop
== 0xffffffff);
836 if (desktop
< _num_desktops
)
837 return _area
[desktop
];
839 return _area
[_num_desktops
];
842 void Screen::installColormap(bool install
) const
845 XInstallColormap(**otk::display
, _info
->colormap());
847 XUninstallColormap(**otk::display
, _info
->colormap());
850 void Screen::showDesktop(bool show
)
852 if (show
== _showing_desktop
) return; // no change
854 // save the window focus, and restore it when leaving the show-desktop mode
855 static Window saved_focus
= 0;
857 Client
*c
= openbox
->focusedClient();
858 if (c
) saved_focus
= c
->window();
861 _showing_desktop
= show
;
863 std::list
<Client
*>::iterator it
, end
= clients
.end();
864 for (it
= clients
.begin(); it
!= end
; ++it
) {
865 if ((*it
)->type() == Client::Type_Desktop
) {
873 Client
*f
= openbox
->focusedClient();
874 if (!f
|| f
->type() == Client::Type_Desktop
) {
875 Client
*c
= openbox
->findClient(saved_focus
);
880 otk::Property::set(_info
->rootWindow(),
881 otk::Property::atoms
.net_showing_desktop
,
882 otk::Property::atoms
.cardinal
,
886 void Screen::propertyHandler(const XPropertyEvent
&e
)
888 otk::EventHandler::propertyHandler(e
);
890 // compress changes to a single property into a single change
892 while (XCheckTypedWindowEvent(**otk::display
, _info
->rootWindow(),
894 // XXX: it would be nice to compress ALL changes to a property, not just
895 // changes in a row without other props between.
896 if (ce
.xproperty
.atom
!= e
.atom
) {
897 XPutBackEvent(**otk::display
, &ce
);
902 if (e
.atom
== otk::Property::atoms
.net_desktop_names
)
903 updateDesktopNames();
904 else if (e
.atom
== otk::Property::atoms
.net_desktop_layout
)
905 updateDesktopLayout();
909 void Screen::clientMessageHandler(const XClientMessageEvent
&e
)
911 otk::EventHandler::clientMessageHandler(e
);
913 if (e
.format
!= 32) return;
915 if (e
.message_type
== otk::Property::atoms
.net_current_desktop
) {
916 changeDesktop(e
.data
.l
[0]);
917 } else if (e
.message_type
== otk::Property::atoms
.net_number_of_desktops
) {
918 changeNumDesktops(e
.data
.l
[0]);
919 } else if (e
.message_type
== otk::Property::atoms
.net_showing_desktop
) {
920 showDesktop(e
.data
.l
[0] != 0);
925 void Screen::mapRequestHandler(const XMapRequestEvent
&e
)
927 otk::EventHandler::mapRequestHandler(e
);
930 printf("MapRequest for 0x%lx\n", e
.window
);
933 Client
*c
= openbox
->findClient(e
.window
);
936 printf("DEBUG: MAP REQUEST CAUGHT IN SCREEN. IGNORED.\n");
939 if (_showing_desktop
)
940 showDesktop(false); // leave showing-the-desktop mode
941 manageWindow(e
.window
);