]> Dogcows Code - chaz/openbox/blob - src/screen.cc
client and stacking list work
[chaz/openbox] / src / screen.cc
1 // -*- mode: C++; indent-tabs-mode: nil; c-basic-offset: 2; -*-
2
3 #ifdef HAVE_CONFIG_H
4 # include "../config.h"
5 #endif
6
7 extern "C" {
8 #ifdef HAVE_STDIO_H
9 # include <stdio.h>
10 #endif // HAVE_STDIO_H
11
12 #ifdef HAVE_UNISTD_H
13 # include <sys/types.h>
14 # include <unistd.h>
15 #endif // HAVE_UNISTD_H
16
17 #include "gettext.h"
18 #define _(str) gettext(str)
19 }
20
21 #include "screen.hh"
22 #include "client.hh"
23 #include "openbox.hh"
24 #include "frame.hh"
25 #include "bindings.hh"
26 #include "python.hh"
27 #include "otk/display.hh"
28
29 #include <vector>
30
31 static bool running;
32 static int anotherWMRunning(Display *display, XErrorEvent *) {
33 printf(_("Another window manager already running on display %s.\n"),
34 DisplayString(display));
35 running = true;
36 return -1;
37 }
38
39
40 namespace ob {
41
42
43 OBScreen::OBScreen(int screen)
44 : _number(screen),
45 _root(screen)
46 {
47 assert(screen >= 0); assert(screen < ScreenCount(otk::OBDisplay::display));
48 _info = otk::OBDisplay::screenInfo(screen);
49
50 ::running = false;
51 XErrorHandler old = XSetErrorHandler(::anotherWMRunning);
52 XSelectInput(otk::OBDisplay::display, _info->rootWindow(),
53 OBScreen::event_mask);
54 XSync(otk::OBDisplay::display, false);
55 XSetErrorHandler(old);
56
57 _managed = !::running;
58 if (! _managed) return; // was unable to manage the screen
59
60 printf(_("Managing screen %d: visual 0x%lx, depth %d\n"),
61 _number, XVisualIDFromVisual(_info->visual()), _info->depth());
62
63 Openbox::instance->property()->set(_info->rootWindow(),
64 otk::OBProperty::openbox_pid,
65 otk::OBProperty::Atom_Cardinal,
66 (unsigned long) getpid());
67
68 // set the mouse cursor for the root window (the default cursor)
69 XDefineCursor(otk::OBDisplay::display, _info->rootWindow(),
70 Openbox::instance->cursors().session);
71
72 // initialize the shit that is used for all drawing on the screen
73 _image_control = new otk::BImageControl(Openbox::instance->timerManager(),
74 _info, true);
75 _image_control->installRootColormap();
76 _root_cmap_installed = True;
77
78 // initialize the screen's style
79 _style.setImageControl(_image_control);
80 std::string stylepath;
81 python_get_string("theme", &stylepath);
82 otk::Configuration sconfig(false);
83 sconfig.setFile(otk::expandTilde(stylepath));
84 if (!sconfig.load()) {
85 sconfig.setFile(otk::expandTilde(DEFAULTSTYLE));
86 if (!sconfig.load()) {
87 printf(_("Unable to load default style: %s. Aborting.\n"), DEFAULTSTYLE);
88 ::exit(1);
89 }
90 }
91 _style.load(sconfig);
92
93 // Set the netwm atoms for geomtery and viewport
94 unsigned long geometry[] = { _info->width(),
95 _info->height() };
96 Openbox::instance->property()->set(_info->rootWindow(),
97 otk::OBProperty::net_desktop_geometry,
98 otk::OBProperty::Atom_Cardinal,
99 geometry, 2);
100 unsigned long viewport[] = { 0, 0 };
101 Openbox::instance->property()->set(_info->rootWindow(),
102 otk::OBProperty::net_desktop_viewport,
103 otk::OBProperty::Atom_Cardinal,
104 viewport, 2);
105
106 // create the window which gets focus when no clients get it
107 XSetWindowAttributes attr;
108 attr.override_redirect = true;
109 _focuswindow = XCreateWindow(otk::OBDisplay::display, _info->rootWindow(),
110 -100, -100, 1, 1, 0, 0, InputOnly,
111 _info->visual(), CWOverrideRedirect, &attr);
112 XMapWindow(otk::OBDisplay::display, _focuswindow);
113
114 // these may be further updated if any pre-existing windows are found in
115 // the manageExising() function
116 setClientList(); // initialize the client lists, which will be empty
117 calcArea(); // initialize the available working area
118 }
119
120
121 OBScreen::~OBScreen()
122 {
123 if (! _managed) return;
124
125 XSelectInput(otk::OBDisplay::display, _info->rootWindow(), NoEventMask);
126
127 // unmanage all windows
128 while (!clients.empty())
129 unmanageWindow(clients.front());
130
131 XDestroyWindow(otk::OBDisplay::display, _focuswindow);
132
133 delete _image_control;
134 }
135
136
137 void OBScreen::manageExisting()
138 {
139 unsigned int i, j, nchild;
140 Window r, p, *children;
141 XQueryTree(otk::OBDisplay::display, _info->rootWindow(), &r, &p,
142 &children, &nchild);
143
144 // preen the window list of all icon windows... for better dockapp support
145 for (i = 0; i < nchild; i++) {
146 if (children[i] == None) continue;
147
148 XWMHints *wmhints = XGetWMHints(otk::OBDisplay::display,
149 children[i]);
150
151 if (wmhints) {
152 if ((wmhints->flags & IconWindowHint) &&
153 (wmhints->icon_window != children[i])) {
154 for (j = 0; j < nchild; j++) {
155 if (children[j] == wmhints->icon_window) {
156 children[j] = None;
157 break;
158 }
159 }
160 }
161
162 XFree(wmhints);
163 }
164 }
165
166 // manage shown windows
167 for (i = 0; i < nchild; ++i) {
168 if (children[i] == None)
169 continue;
170
171 XWindowAttributes attrib;
172 if (XGetWindowAttributes(otk::OBDisplay::display, children[i], &attrib)) {
173 if (attrib.override_redirect) continue;
174
175 if (attrib.map_state != IsUnmapped) {
176 manageWindow(children[i]);
177 }
178 }
179 }
180
181 XFree(children);
182 }
183
184
185 //! Adds a window's strut to the screen's list of reserved spaces
186 void OBScreen::addStrut(otk::Strut *strut)
187 {
188 _struts.push_back(strut);
189 }
190
191
192 //! Removes a window's strut from the screen's list of reserved spaces
193 void OBScreen::removeStrut(otk::Strut *strut)
194 {
195 _struts.remove(strut);
196 }
197
198
199 void OBScreen::calcArea()
200 {
201 otk::Rect old_area = _area;
202
203 /*
204 #ifdef XINERAMA
205 // reset to the full areas
206 if (isXineramaActive())
207 xineramaUsableArea = getXineramaAreas();
208 #endif // XINERAMA
209 */
210
211 /* these values represent offsets from the screen edge
212 * we look for the biggest offset on each edge and then apply them
213 * all at once
214 * do not be confused by the similarity to the names of Rect's members
215 */
216 unsigned int current_left = 0, current_right = 0, current_top = 0,
217 current_bottom = 0;
218
219 StrutList::const_iterator it = _struts.begin(), end = _struts.end();
220
221 for(; it != end; ++it) {
222 otk::Strut *strut = *it;
223 if (strut->left > current_left)
224 current_left = strut->left;
225 if (strut->top > current_top)
226 current_top = strut->top;
227 if (strut->right > current_right)
228 current_right = strut->right;
229 if (strut->bottom > current_bottom)
230 current_bottom = strut->bottom;
231 }
232
233 _area.setRect(current_left, current_top,
234 _info->width() - (current_left + current_right),
235 _info->height() - (current_top + current_bottom));
236
237 /*
238 #ifdef XINERAMA
239 if (isXineramaActive()) {
240 // keep each of the ximerama-defined areas inside the strut
241 RectList::iterator xit, xend = xineramaUsableArea.end();
242 for (xit = xineramaUsableArea.begin(); xit != xend; ++xit) {
243 if (xit->x() < usableArea.x()) {
244 xit->setX(usableArea.x());
245 xit->setWidth(xit->width() - usableArea.x());
246 }
247 if (xit->y() < usableArea.y()) {
248 xit->setY(usableArea.y());
249 xit->setHeight(xit->height() - usableArea.y());
250 }
251 if (xit->x() + xit->width() > usableArea.width())
252 xit->setWidth(usableArea.width() - xit->x());
253 if (xit->y() + xit->height() > usableArea.height())
254 xit->setHeight(usableArea.height() - xit->y());
255 }
256 }
257 #endif // XINERAMA
258 */
259
260 if (old_area != _area)
261 // XXX: re-maximize windows
262
263 setWorkArea();
264 }
265
266
267 void OBScreen::setClientList()
268 {
269 Window *windows;
270 unsigned int size = clients.size();
271
272 // create an array of the window ids
273 if (size > 0) {
274 Window *win_it;
275
276 windows = new Window[size];
277 win_it = windows;
278 ClientList::const_iterator it = clients.begin();
279 const ClientList::const_iterator end = clients.end();
280 for (; it != end; ++it, ++win_it)
281 *win_it = (*it)->window();
282 } else
283 windows = (Window*) 0;
284
285 Openbox::instance->property()->set(_info->rootWindow(),
286 otk::OBProperty::net_client_list,
287 otk::OBProperty::Atom_Window,
288 windows, size);
289
290 if (size)
291 delete [] windows;
292
293 setStackingList();
294 }
295
296
297 void OBScreen::setStackingList()
298 {
299 Window *windows;
300 unsigned int size = _stacking.size();
301
302 assert(size == clients.size()); // just making sure.. :)
303
304
305 // create an array of the window ids
306 if (size > 0) {
307 Window *win_it;
308
309 windows = new Window[size];
310 win_it = windows;
311 ClientList::const_iterator it = _stacking.begin();
312 const ClientList::const_iterator end = _stacking.end();
313 for (; it != end; ++it, ++win_it)
314 *win_it = (*it)->window();
315 } else
316 windows = (Window*) 0;
317
318 Openbox::instance->property()->set(_info->rootWindow(),
319 otk::OBProperty::net_client_list_stacking,
320 otk::OBProperty::Atom_Window,
321 windows, size);
322
323 if (size)
324 delete [] windows;
325 }
326
327
328 void OBScreen::setWorkArea() {
329 unsigned long area[] = { _area.x(), _area.y(),
330 _area.width(), _area.height() };
331 Openbox::instance->property()->set(_info->rootWindow(),
332 otk::OBProperty::net_workarea,
333 otk::OBProperty::Atom_Cardinal,
334 area, 4);
335 /*
336 if (workspacesList.size() > 0) {
337 unsigned long *dims = new unsigned long[4 * workspacesList.size()];
338 for (unsigned int i = 0, m = workspacesList.size(); i < m; ++i) {
339 // XXX: this could be different for each workspace
340 const otk::Rect &area = availableArea();
341 dims[(i * 4) + 0] = area.x();
342 dims[(i * 4) + 1] = area.y();
343 dims[(i * 4) + 2] = area.width();
344 dims[(i * 4) + 3] = area.height();
345 }
346 xatom->set(getRootWindow(), otk::OBProperty::net_workarea,
347 otk::OBProperty::Atom_Cardinal,
348 dims, 4 * workspacesList.size());
349 delete [] dims;
350 } else
351 xatom->set(getRootWindow(), otk::OBProperty::net_workarea,
352 otk::OBProperty::Atom_Cardinal, 0, 0);
353 */
354 }
355
356
357 void OBScreen::manageWindow(Window window)
358 {
359 OBClient *client = 0;
360 XWMHints *wmhint;
361 XSetWindowAttributes attrib_set;
362
363 // is the window a docking app
364 if ((wmhint = XGetWMHints(otk::OBDisplay::display, window))) {
365 if ((wmhint->flags & StateHint) &&
366 wmhint->initial_state == WithdrawnState) {
367 //slit->addClient(w); // XXX: make dock apps work!
368 XFree(wmhint);
369 return;
370 }
371 XFree(wmhint);
372 }
373
374 otk::OBDisplay::grab();
375
376 // choose the events we want to receive on the CLIENT window
377 attrib_set.event_mask = OBClient::event_mask;
378 attrib_set.do_not_propagate_mask = OBClient::no_propagate_mask;
379 XChangeWindowAttributes(otk::OBDisplay::display, window,
380 CWEventMask|CWDontPropagate, &attrib_set);
381
382 // create the OBClient class, which gets all of the hints on the window
383 client = new OBClient(_number, window);
384 // register for events
385 Openbox::instance->registerHandler(window, client);
386 // add to the wm's map
387 Openbox::instance->addClient(window, client);
388
389 // we dont want a border on the client
390 client->toggleClientBorder(false);
391
392 // specify that if we exit, the window should not be destroyed and should be
393 // reparented back to root automatically
394 XChangeSaveSet(otk::OBDisplay::display, window, SetModeInsert);
395
396 if (!client->positionRequested()) {
397 // XXX: position the window intelligenty
398 }
399
400 // create the decoration frame for the client window
401 client->frame = new OBFrame(client, &_style);
402
403 // add to the wm's map
404 Openbox::instance->addClient(client->frame->window(), client);
405 Openbox::instance->addClient(client->frame->plate(), client);
406 Openbox::instance->addClient(client->frame->titlebar(), client);
407 Openbox::instance->addClient(client->frame->label(), client);
408 Openbox::instance->addClient(client->frame->button_max(), client);
409 Openbox::instance->addClient(client->frame->button_iconify(), client);
410 Openbox::instance->addClient(client->frame->button_stick(), client);
411 Openbox::instance->addClient(client->frame->button_close(), client);
412 Openbox::instance->addClient(client->frame->handle(), client);
413 Openbox::instance->addClient(client->frame->grip_left(), client);
414 Openbox::instance->addClient(client->frame->grip_right(), client);
415
416 // XXX: if on the current desktop..
417 client->frame->show();
418
419 // XXX: handle any requested states such as shaded/maximized
420
421 otk::OBDisplay::ungrab();
422
423 // add to the screen's list
424 clients.push_back(client);
425 // this puts into the stacking order, then raises it
426 _stacking.push_back(client);
427 restack(true, client);
428 // update the root properties
429 setClientList();
430
431 Openbox::instance->bindings()->grabButtons(true, client);
432 }
433
434
435 void OBScreen::unmanageWindow(OBClient *client)
436 {
437 OBFrame *frame = client->frame;
438
439 Openbox::instance->bindings()->grabButtons(false, client);
440
441 // remove from the stacking order
442 _stacking.remove(client);
443
444 // pass around focus if this window was focused XXX do this better!
445 if (Openbox::instance->focusedClient() == client) {
446 OBClient *newfocus = 0;
447 if (!_stacking.empty())
448 newfocus = _stacking.front();
449 if (! (newfocus && newfocus->focus()))
450 client->unfocus();
451 }
452
453 // remove from the wm's map
454 Openbox::instance->removeClient(client->window());
455 Openbox::instance->removeClient(frame->window());
456 Openbox::instance->removeClient(frame->plate());
457 Openbox::instance->removeClient(frame->titlebar());
458 Openbox::instance->removeClient(frame->label());
459 Openbox::instance->removeClient(frame->button_max());
460 Openbox::instance->removeClient(frame->button_iconify());
461 Openbox::instance->removeClient(frame->button_stick());
462 Openbox::instance->removeClient(frame->button_close());
463 Openbox::instance->removeClient(frame->handle());
464 Openbox::instance->removeClient(frame->grip_left());
465 Openbox::instance->removeClient(frame->grip_right());
466 // unregister for handling events
467 Openbox::instance->clearHandler(client->window());
468
469 // remove the window from our save set
470 XChangeSaveSet(otk::OBDisplay::display, client->window(), SetModeDelete);
471
472 // we dont want events no more
473 XSelectInput(otk::OBDisplay::display, client->window(), NoEventMask);
474
475 frame->hide();
476
477 // give the client its border back
478 client->toggleClientBorder(true);
479
480 delete client->frame;
481 client->frame = 0;
482
483 // remove from the screen's list
484 clients.remove(client);
485 delete client;
486
487 // update the root properties
488 setClientList();
489 }
490
491 void OBScreen::restack(bool raise, OBClient *client)
492 {
493 const int layer = client->layer();
494 std::vector<Window> wins;
495
496 _stacking.remove(client);
497
498 // the stacking list is from highest to lowest
499
500 ClientList::iterator it = _stacking.begin(), end = _stacking.end();
501 // insert the windows above this window
502 for (; it != end; ++it) {
503 if ((*it)->layer() < layer || (raise && (*it)->layer() == layer))
504 break;
505 wins.push_back((*it)->frame->window());
506 }
507 // insert our client
508 wins.push_back(client->frame->window());
509 _stacking.insert(it, client);
510 // insert the remaining below this window
511 for (; it != end; ++it)
512 wins.push_back((*it)->frame->window());
513
514 XRestackWindows(otk::OBDisplay::display, &wins[0], wins.size());
515 setStackingList();
516 }
517
518 }
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