1 // -*- mode: C++; indent-tabs-mode: nil; c-basic-offset: 2; -*-
4 # include "../config.h"
10 #endif // HAVE_STDIO_H
14 #endif // HAVE_STRING_H
17 # include <sys/types.h>
19 #endif // HAVE_UNISTD_H
22 #define _(str) gettext(str)
29 #include "bindings.hh"
31 #include "otk/display.hh"
32 #include "otk/property.hh"
38 static int anotherWMRunning(Display *display, XErrorEvent *) {
39 printf(_("Another window manager already running on display %s.\n"),
40 DisplayString(display));
49 Screen::Screen(int screen)
50 : WidgetBase(WidgetBase::Type_Root),
54 assert(screen >= 0); assert(screen < ScreenCount(**otk::display));
55 _info = otk::display->screenInfo(screen);
58 XErrorHandler old = XSetErrorHandler(::anotherWMRunning);
59 XSelectInput(**otk::display, _info->rootWindow(),
61 XSync(**otk::display, false);
62 XSetErrorHandler(old);
64 _managed = !::running;
65 if (! _managed) return; // was unable to manage the screen
67 printf(_("Managing screen %d: visual 0x%lx, depth %d\n"),
68 _number, XVisualIDFromVisual(_info->visual()), _info->depth());
70 otk::Property::set(_info->rootWindow(), otk::Property::atoms.openbox_pid,
71 otk::Property::atoms.cardinal, (unsigned long) getpid());
73 // set the mouse cursor for the root window (the default cursor)
74 XDefineCursor(**otk::display, _info->rootWindow(),
75 openbox->cursors().session);
77 // XXX: initialize the screen's style
79 otk::ustring stylepath;
80 python_get_string("theme", &stylepath);
81 otk::Configuration sconfig(false);
82 sconfig.setFile(otk::expandTilde(stylepath.c_str()));
83 if (!sconfig.load()) {
84 sconfig.setFile(otk::expandTilde(DEFAULTSTYLE));
85 if (!sconfig.load()) {
86 printf(_("Unable to load default style: %s. Aborting.\n"), DEFAULTSTYLE);
93 // set up notification of netwm support
94 changeSupportedAtoms();
96 // Set the netwm properties for geometry
97 unsigned long geometry[] = { _info->width(),
99 otk::Property::set(_info->rootWindow(),
100 otk::Property::atoms.net_desktop_geometry,
101 otk::Property::atoms.cardinal, geometry, 2);
103 // Set the net_desktop_names property
104 std::vector<otk::ustring> names;
105 python_get_stringlist("desktop_names", &names);
106 otk::Property::set(_info->rootWindow(),
107 otk::Property::atoms.net_desktop_names,
108 otk::Property::utf8, names);
109 // the above set() will cause the updateDesktopNames to fire right away so
110 // we have a list of desktop names
112 if (!python_get_long("number_of_desktops", &_num_desktops))
114 changeNumDesktops(_num_desktops); // set the hint
117 changeDesktop(0); // set the hint
119 // create the window which gets focus when no clients get it
120 XSetWindowAttributes attr;
121 attr.override_redirect = true;
122 _focuswindow = XCreateWindow(**otk::display, _info->rootWindow(),
123 -100, -100, 1, 1, 0, 0, InputOnly,
124 _info->visual(), CWOverrideRedirect, &attr);
125 XMapRaised(**otk::display, _focuswindow);
127 // these may be further updated if any pre-existing windows are found in
128 // the manageExising() function
129 changeClientList(); // initialize the client lists, which will be empty
130 calcArea(); // initialize the available working area
132 // register this class as the event handler for the root window
133 openbox->registerHandler(_info->rootWindow(), this);
135 // call the python Startup callbacks
136 EventData data(_number, 0, EventShutdown, 0);
137 openbox->bindings()->fireEvent(&data);
143 if (! _managed) return;
145 XSelectInput(**otk::display, _info->rootWindow(), NoEventMask);
147 // unmanage all windows
148 while (!clients.empty())
149 unmanageWindow(clients.front());
151 // call the python Shutdown callbacks
152 EventData data(_number, 0, EventShutdown, 0);
153 openbox->bindings()->fireEvent(&data);
155 XDestroyWindow(**otk::display, _focuswindow);
156 XDestroyWindow(**otk::display, _supportwindow);
160 void Screen::manageExisting()
162 unsigned int i, j, nchild;
163 Window r, p, *children;
164 XQueryTree(**otk::display, _info->rootWindow(), &r, &p,
167 // preen the window list of all icon windows... for better dockapp support
168 for (i = 0; i < nchild; i++) {
169 if (children[i] == None) continue;
171 XWMHints *wmhints = XGetWMHints(**otk::display,
175 if ((wmhints->flags & IconWindowHint) &&
176 (wmhints->icon_window != children[i])) {
177 for (j = 0; j < nchild; j++) {
178 if (children[j] == wmhints->icon_window) {
189 // manage shown windows
190 for (i = 0; i < nchild; ++i) {
191 if (children[i] == None)
194 XWindowAttributes attrib;
195 if (XGetWindowAttributes(**otk::display, children[i], &attrib)) {
196 if (attrib.override_redirect) continue;
198 if (attrib.map_state != IsUnmapped) {
199 manageWindow(children[i]);
208 void Screen::updateStrut()
210 _strut.left = _strut.right = _strut.top = _strut.bottom = 0;
212 Client::List::iterator it, end = clients.end();
213 for (it = clients.begin(); it != end; ++it) {
214 const otk::Strut &s = (*it)->strut();
215 _strut.left = std::max(_strut.left, s.left);
216 _strut.right = std::max(_strut.right, s.right);
217 _strut.top = std::max(_strut.top, s.top);
218 _strut.bottom = std::max(_strut.bottom, s.bottom);
224 void Screen::calcArea()
226 otk::Rect old_area = _area;
230 // reset to the full areas
231 if (isXineramaActive())
232 xineramaUsableArea = getXineramaAreas();
236 _area.setRect(_strut.left, _strut.top,
237 _info->width() - (_strut.left + _strut.right),
238 _info->height() - (_strut.top + _strut.bottom));
242 if (isXineramaActive()) {
243 // keep each of the ximerama-defined areas inside the strut
244 RectList::iterator xit, xend = xineramaUsableArea.end();
245 for (xit = xineramaUsableArea.begin(); xit != xend; ++xit) {
246 if (xit->x() < usableArea.x()) {
247 xit->setX(usableArea.x());
248 xit->setWidth(xit->width() - usableArea.x());
250 if (xit->y() < usableArea.y()) {
251 xit->setY(usableArea.y());
252 xit->setHeight(xit->height() - usableArea.y());
254 if (xit->x() + xit->width() > usableArea.width())
255 xit->setWidth(usableArea.width() - xit->x());
256 if (xit->y() + xit->height() > usableArea.height())
257 xit->setHeight(usableArea.height() - xit->y());
263 if (old_area != _area)
264 // XXX: re-maximize windows
270 void Screen::changeSupportedAtoms()
272 // create the netwm support window
273 _supportwindow = XCreateSimpleWindow(**otk::display,
275 0, 0, 1, 1, 0, 0, 0);
277 // set supporting window
278 otk::Property::set(_info->rootWindow(),
279 otk::Property::atoms.net_supporting_wm_check,
280 otk::Property::atoms.window, _supportwindow);
282 //set properties on the supporting window
283 otk::Property::set(_supportwindow, otk::Property::atoms.net_wm_name,
284 otk::Property::utf8, "Openbox");
285 otk::Property::set(_supportwindow,
286 otk::Property::atoms.net_supporting_wm_check,
287 otk::Property::atoms.window, _supportwindow);
291 otk::Property::atoms.net_current_desktop,
292 otk::Property::atoms.net_number_of_desktops,
293 otk::Property::atoms.net_desktop_geometry,
294 otk::Property::atoms.net_desktop_viewport,
295 otk::Property::atoms.net_active_window,
296 otk::Property::atoms.net_workarea,
297 otk::Property::atoms.net_client_list,
298 otk::Property::atoms.net_client_list_stacking,
299 otk::Property::atoms.net_desktop_names,
300 otk::Property::atoms.net_close_window,
301 otk::Property::atoms.net_wm_name,
302 otk::Property::atoms.net_wm_visible_name,
303 otk::Property::atoms.net_wm_icon_name,
304 otk::Property::atoms.net_wm_visible_icon_name,
306 otk::Property::atoms.net_wm_desktop,
308 otk::Property::atoms.net_wm_strut,
309 otk::Property::atoms.net_wm_window_type,
310 otk::Property::atoms.net_wm_window_type_desktop,
311 otk::Property::atoms.net_wm_window_type_dock,
312 otk::Property::atoms.net_wm_window_type_toolbar,
313 otk::Property::atoms.net_wm_window_type_menu,
314 otk::Property::atoms.net_wm_window_type_utility,
315 otk::Property::atoms.net_wm_window_type_splash,
316 otk::Property::atoms.net_wm_window_type_dialog,
317 otk::Property::atoms.net_wm_window_type_normal,
319 otk::Property::atoms.net_wm_moveresize,
320 otk::Property::atoms.net_wm_moveresize_size_topleft,
321 otk::Property::atoms.net_wm_moveresize_size_topright,
322 otk::Property::atoms.net_wm_moveresize_size_bottomleft,
323 otk::Property::atoms.net_wm_moveresize_size_bottomright,
324 otk::Property::atoms.net_wm_moveresize_move,
326 otk::Property::atoms.net_wm_allowed_actions,
327 otk::Property::atoms.net_wm_action_move,
328 otk::Property::atoms.net_wm_action_resize,
329 otk::Property::atoms.net_wm_action_minimize,
330 otk::Property::atoms.net_wm_action_shade,
331 /* otk::Property::atoms.net_wm_action_stick,*/
332 otk::Property::atoms.net_wm_action_maximize_horz,
333 otk::Property::atoms.net_wm_action_maximize_vert,
334 otk::Property::atoms.net_wm_action_fullscreen,
335 otk::Property::atoms.net_wm_action_change_desktop,
336 otk::Property::atoms.net_wm_action_close,
338 otk::Property::atoms.net_wm_state,
339 otk::Property::atoms.net_wm_state_modal,
340 otk::Property::atoms.net_wm_state_maximized_vert,
341 otk::Property::atoms.net_wm_state_maximized_horz,
342 otk::Property::atoms.net_wm_state_shaded,
343 otk::Property::atoms.net_wm_state_skip_taskbar,
344 otk::Property::atoms.net_wm_state_skip_pager,
345 otk::Property::atoms.net_wm_state_hidden,
346 otk::Property::atoms.net_wm_state_fullscreen,
347 otk::Property::atoms.net_wm_state_above,
348 otk::Property::atoms.net_wm_state_below,
350 const int num_supported = sizeof(supported)/sizeof(Atom);
352 otk::Property::set(_info->rootWindow(), otk::Property::atoms.net_supported,
353 otk::Property::atoms.atom, supported, num_supported);
357 void Screen::changeClientList()
360 unsigned int size = clients.size();
362 // create an array of the window ids
366 windows = new Window[size];
368 Client::List::const_iterator it = clients.begin();
369 const Client::List::const_iterator end = clients.end();
370 for (; it != end; ++it, ++win_it)
371 *win_it = (*it)->window();
373 windows = (Window*) 0;
375 otk::Property::set(_info->rootWindow(), otk::Property::atoms.net_client_list,
376 otk::Property::atoms.window, windows, size);
381 changeStackingList();
385 void Screen::changeStackingList()
388 unsigned int size = _stacking.size();
390 assert(size == clients.size()); // just making sure.. :)
393 // create an array of the window ids (from bottom to top, reverse order!)
397 windows = new Window[size];
399 Client::List::const_reverse_iterator it = _stacking.rbegin();
400 const Client::List::const_reverse_iterator end = _stacking.rend();
401 for (; it != end; ++it, ++win_it)
402 *win_it = (*it)->window();
404 windows = (Window*) 0;
406 otk::Property::set(_info->rootWindow(),
407 otk::Property::atoms.net_client_list_stacking,
408 otk::Property::atoms.window, windows, size);
415 void Screen::changeWorkArea() {
416 unsigned long *dims = new unsigned long[4 * _num_desktops];
417 for (long i = 0; i < _num_desktops; ++i) {
418 // XXX: this could be different for each workspace
419 dims[(i * 4) + 0] = _area.x();
420 dims[(i * 4) + 1] = _area.y();
421 dims[(i * 4) + 2] = _area.width();
422 dims[(i * 4) + 3] = _area.height();
424 otk::Property::set(_info->rootWindow(), otk::Property::atoms.net_workarea,
425 otk::Property::atoms.cardinal, dims, 4 * _num_desktops);
430 void Screen::manageWindow(Window window)
434 XSetWindowAttributes attrib_set;
436 otk::display->grab();
438 // is the window a docking app
439 if ((wmhint = XGetWMHints(**otk::display, window))) {
440 if ((wmhint->flags & StateHint) &&
441 wmhint->initial_state == WithdrawnState) {
442 //slit->addClient(w); // XXX: make dock apps work!
443 otk::display->ungrab();
451 // choose the events we want to receive on the CLIENT window
452 attrib_set.event_mask = Client::event_mask;
453 attrib_set.do_not_propagate_mask = Client::no_propagate_mask;
454 XChangeWindowAttributes(**otk::display, window,
455 CWEventMask|CWDontPropagate, &attrib_set);
457 // create the Client class, which gets all of the hints on the window
458 client = new Client(_number, window);
459 // register for events
460 openbox->registerHandler(window, client);
461 // add to the wm's map
462 openbox->addClient(window, client);
464 // we dont want a border on the client
465 client->toggleClientBorder(false);
467 // specify that if we exit, the window should not be destroyed and should be
468 // reparented back to root automatically
469 XChangeSaveSet(**otk::display, window, SetModeInsert);
471 // create the decoration frame for the client window
472 client->frame = new Frame(client, &_style);
474 // add to the wm's map
475 openbox->addClient(client->frame->window(), client);
476 openbox->addClient(client->frame->plate(), client);
477 openbox->addClient(client->frame->titlebar(), client);
478 openbox->addClient(client->frame->label(), client);
479 openbox->addClient(client->frame->button_max(), client);
480 openbox->addClient(client->frame->button_iconify(), client);
481 openbox->addClient(client->frame->button_stick(), client);
482 openbox->addClient(client->frame->button_close(), client);
483 openbox->addClient(client->frame->handle(), client);
484 openbox->addClient(client->frame->grip_left(), client);
485 openbox->addClient(client->frame->grip_right(), client);
487 // reparent the client to the frame
488 client->frame->grabClient();
490 if (!(openbox->state() == Openbox::State_Starting ||
491 client->positionRequested())) {
492 // position the window intelligenty .. hopefully :)
493 // call the python PLACEWINDOW binding
494 EventData data(_number, client, EventPlaceWindow, 0);
495 openbox->bindings()->fireEvent(&data);
498 // if on the current desktop.. (or all desktops)
499 if (client->desktop() == _desktop ||
500 client->desktop() == (signed)0xffffffff) {
501 client->frame->show();
504 client->applyStartupState();
506 otk::display->ungrab();
508 // add to the screen's list
509 clients.push_back(client);
510 // this puts into the stacking order, then raises it
511 _stacking.push_back(client);
513 // update the root properties
516 openbox->bindings()->grabButtons(true, client);
518 // call the python NEWWINDOW binding
519 EventData data(_number, client, EventNewWindow, 0);
520 openbox->bindings()->fireEvent(&data);
523 printf("Managed window 0x%lx\n", window);
528 void Screen::unmanageWindow(Client *client)
530 Frame *frame = client->frame;
532 // call the python CLOSEWINDOW binding
533 EventData data(_number, client, EventCloseWindow, 0);
534 openbox->bindings()->fireEvent(&data);
536 openbox->bindings()->grabButtons(false, client);
538 // remove from the wm's map
539 openbox->removeClient(client->window());
540 openbox->removeClient(frame->window());
541 openbox->removeClient(frame->plate());
542 openbox->removeClient(frame->titlebar());
543 openbox->removeClient(frame->label());
544 openbox->removeClient(frame->button_max());
545 openbox->removeClient(frame->button_iconify());
546 openbox->removeClient(frame->button_stick());
547 openbox->removeClient(frame->button_close());
548 openbox->removeClient(frame->handle());
549 openbox->removeClient(frame->grip_left());
550 openbox->removeClient(frame->grip_right());
551 // unregister for handling events
552 openbox->clearHandler(client->window());
554 // remove the window from our save set
555 XChangeSaveSet(**otk::display, client->window(), SetModeDelete);
557 // we dont want events no more
558 XSelectInput(**otk::display, client->window(), NoEventMask);
562 // give the client its border back
563 client->toggleClientBorder(true);
565 // reparent the window out of the frame
566 frame->releaseClient();
568 delete client->frame;
571 // remove from the stacking order
572 _stacking.remove(client);
574 // remove from the screen's list
575 clients.remove(client);
577 // unfocus the client (calls the focus callbacks)
581 printf("Unmanaged window 0x%lx\n", client->window());
586 // update the root properties
590 void Screen::lowerWindow(Client *client)
592 Window wins[2]; // only ever restack 2 windows.
594 assert(!_stacking.empty()); // this would be bad
596 Client::List::iterator it = --_stacking.end();
597 Client::List::const_iterator end = _stacking.begin();
599 for (; it != end && (*it)->layer() < client->layer(); --it);
600 if (*it == client) return; // already the bottom, return
602 wins[0] = (*it)->frame->window();
603 wins[1] = client->frame->window();
605 _stacking.remove(client);
606 _stacking.insert(++it, client);
608 XRestackWindows(**otk::display, wins, 2);
609 changeStackingList();
612 void Screen::raiseWindow(Client *client)
614 Window wins[2]; // only ever restack 2 windows.
616 assert(!_stacking.empty()); // this would be bad
618 // remove the client before looking so we can't run into ourselves
619 _stacking.remove(client);
621 Client::List::iterator it = _stacking.begin();
622 Client::List::const_iterator end = _stacking.end();
624 // the stacking list is from highest to lowest
625 for (; it != end && (*it)->layer() > client->layer(); ++it);
628 if our new position is the top, we want to stack under the _focuswindow
629 otherwise, we want to stack under the previous window in the stack.
631 wins[0] = (it == _stacking.begin() ? _focuswindow :
632 ((*(--Client::List::const_iterator(it)))->frame->window()));
633 wins[1] = client->frame->window();
635 _stacking.insert(it, client);
637 XRestackWindows(**otk::display, wins, 2);
638 changeStackingList();
641 void Screen::changeDesktop(long desktop)
643 if (!(desktop >= 0 && desktop < _num_desktops)) return;
645 printf("Moving to desktop %ld\n", desktop);
650 otk::Property::set(_info->rootWindow(),
651 otk::Property::atoms.net_current_desktop,
652 otk::Property::atoms.cardinal, _desktop);
654 if (old == _desktop) return;
656 Client::List::iterator it, end = clients.end();
657 for (it = clients.begin(); it != end; ++it) {
658 if ((*it)->desktop() == old) {
659 (*it)->frame->hide();
660 } else if ((*it)->desktop() == _desktop) {
661 (*it)->frame->show();
665 // force the callbacks to fire
666 if (!openbox->focusedClient())
667 openbox->setFocusedClient(0);
670 void Screen::changeNumDesktops(long num)
674 if (!(num > 0)) return;
676 // XXX: move windows on desktops that will no longer exist!
679 otk::Property::set(_info->rootWindow(),
680 otk::Property::atoms.net_number_of_desktops,
681 otk::Property::atoms.cardinal, _num_desktops);
683 // set the viewport hint
684 unsigned long *viewport = new unsigned long[_num_desktops * 2];
685 memset(viewport, 0, sizeof(unsigned long) * _num_desktops * 2);
686 otk::Property::set(_info->rootWindow(),
687 otk::Property::atoms.net_desktop_viewport,
688 otk::Property::atoms.cardinal,
689 viewport, _num_desktops * 2);
692 // update the work area hint
697 void Screen::updateDesktopNames()
699 unsigned long num = (unsigned) -1;
701 if (!otk::Property::get(_info->rootWindow(),
702 otk::Property::atoms.net_desktop_names,
703 otk::Property::utf8, &num, &_desktop_names))
704 _desktop_names.clear();
705 while ((long)_desktop_names.size() < _num_desktops)
706 _desktop_names.push_back("Unnamed");
710 void Screen::setDesktopName(long i, const otk::ustring &name)
714 if (i >= _num_desktops) return;
716 otk::Property::StringVect newnames = _desktop_names;
718 otk::Property::set(_info->rootWindow(),
719 otk::Property::atoms.net_desktop_names,
720 otk::Property::utf8, newnames);
724 void Screen::propertyHandler(const XPropertyEvent &e)
726 otk::EventHandler::propertyHandler(e);
728 // compress changes to a single property into a single change
730 while (XCheckTypedEvent(**otk::display, e.type, &ce)) {
731 // XXX: it would be nice to compress ALL changes to a property, not just
732 // changes in a row without other props between.
733 if (ce.xproperty.atom != e.atom) {
734 XPutBackEvent(**otk::display, &ce);
739 if (e.atom == otk::Property::atoms.net_desktop_names)
740 updateDesktopNames();
744 void Screen::clientMessageHandler(const XClientMessageEvent &e)
746 otk::EventHandler::clientMessageHandler(e);
748 if (e.format != 32) return;
750 if (e.message_type == otk::Property::atoms.net_current_desktop) {
751 changeDesktop(e.data.l[0]);
752 } else if (e.message_type == otk::Property::atoms.net_number_of_desktops) {
753 changeNumDesktops(e.data.l[0]);
755 // XXX: so many client messages to handle here! ..or not.. they go to clients
759 void Screen::mapRequestHandler(const XMapRequestEvent &e)
761 otk::EventHandler::mapRequestHandler(e);
764 printf("MapRequest for 0x%lx\n", e.window);
768 MapRequest events come here even after the window exists instead of going
769 right to the client window, because of how they are sent and their struct
772 Client *c = openbox->findClient(e.window);
775 // send a net_active_window message
777 ce.xclient.type = ClientMessage;
778 ce.xclient.message_type = otk::Property::atoms.net_active_window;
779 ce.xclient.display = **otk::display;
780 ce.xclient.window = c->window();
781 ce.xclient.format = 32;
782 ce.xclient.data.l[0] = 0l;
783 ce.xclient.data.l[1] = 0l;
784 ce.xclient.data.l[2] = 0l;
785 ce.xclient.data.l[3] = 0l;
786 ce.xclient.data.l[4] = 0l;
787 XSendEvent(**otk::display, _info->rootWindow(), false,
788 SubstructureRedirectMask | SubstructureNotifyMask,
791 manageWindow(e.window);