1 // -*- mode: C++; indent-tabs-mode: nil; c-basic-offset: 2; -*-
2 // Workspace.cc for Blackbox - an X11 Window manager
3 // Copyright (c) 2001 - 2002 Sean 'Shaleh' Perry <shaleh@debian.org>
4 // Copyright (c) 1997 - 2000 Brad Hughes (bhughes@tcac.net)
6 // Permission is hereby granted, free of charge, to any person obtaining a
7 // copy of this software and associated documentation files (the "Software"),
8 // to deal in the Software without restriction, including without limitation
9 // the rights to use, copy, modify, merge, publish, distribute, sublicense,
10 // and/or sell copies of the Software, and to permit persons to whom the
11 // Software is furnished to do so, subject to the following conditions:
13 // The above copyright notice and this permission notice shall be included in
14 // all copies or substantial portions of the Software.
16 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
19 // THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20 // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
21 // FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
22 // DEALINGS IN THE SOFTWARE.
25 # include "../config.h"
26 #endif // HAVE_CONFIG_H
30 #include <X11/Xatom.h>
34 #endif // HAVE_STDIO_H
38 #endif // HAVE_STRING_H
47 #include "blackbox.hh"
48 #include "Clientmenu.hh"
54 #include "Workspace.hh"
55 #include "Windowmenu.hh"
58 Workspace::Workspace(BScreen
*scrn
, unsigned int i
) {
61 cascade_x
= cascade_y
= 32;
65 clientmenu
= new Clientmenu(this);
67 lastfocus
= (BlackboxWindow
*) 0;
69 setName(screen
->getNameOfWorkspace(id
));
73 void Workspace::addWindow(BlackboxWindow
*w
, bool place
) {
76 if (place
) placeWindow(w
);
79 w
->setWindowNumber(windowList
.size());
81 stackingList
.push_front(w
);
82 windowList
.push_back(w
);
84 clientmenu
->insert(w
->getTitle());
87 screen
->updateNetizenWindowAdd(w
->getClientWindow(), id
);
93 unsigned int Workspace::removeWindow(BlackboxWindow
*w
) {
96 stackingList
.remove(w
);
98 if (w
->isFocused() && ! screen
->getBlackbox()->doShutdown()) {
99 BlackboxWindow
*newfocus
= 0;
100 if (w
->isTransient())
101 newfocus
= w
->getTransientFor();
102 if (! newfocus
&& ! stackingList
.empty())
103 newfocus
= stackingList
.front();
104 if (! newfocus
|| ! newfocus
->setInputFocus())
105 screen
->getBlackbox()->setFocusedWindow(0);
109 lastfocus
= (BlackboxWindow
*) 0;
111 windowList
.remove(w
);
112 clientmenu
->remove(w
->getWindowNumber());
113 clientmenu
->update();
115 screen
->updateNetizenWindowDel(w
->getClientWindow());
117 BlackboxWindowList::iterator it
= windowList
.begin();
118 const BlackboxWindowList::iterator end
= windowList
.end();
120 for (; it
!= end
; ++it
, ++i
)
121 (*it
)->setWindowNumber(i
);
124 cascade_x
= cascade_y
= 32;
130 void Workspace::showAll(void) {
131 std::for_each(stackingList
.begin(), stackingList
.end(),
132 std::mem_fun(&BlackboxWindow::show
));
136 void Workspace::hideAll(void) {
137 // withdraw in reverse order to minimize the number of Expose events
139 BlackboxWindowList
lst(stackingList
.rbegin(), stackingList
.rend());
141 BlackboxWindowList::iterator it
= lst
.begin();
142 const BlackboxWindowList::iterator end
= lst
.end();
143 for (; it
!= end
; ++it
) {
144 BlackboxWindow
*bw
= *it
;
151 void Workspace::removeAll(void) {
152 while (! windowList
.empty())
153 windowList
.front()->iconify();
158 * returns the number of transients for win, plus the number of transients
159 * associated with each transient of win
161 static int countTransients(const BlackboxWindow
* const win
) {
162 int ret
= win
->getTransients().size();
164 BlackboxWindowList::const_iterator it
, end
= win
->getTransients().end();
165 for (it
= win
->getTransients().begin(); it
!= end
; ++it
) {
166 ret
+= countTransients(*it
);
174 * puts the transients of win into the stack. windows are stacked above
175 * the window before it in the stackvector being iterated, meaning
176 * stack[0] is on bottom, stack[1] is above stack[0], stack[2] is above
179 void Workspace::raiseTransients(const BlackboxWindow
* const win
,
180 StackVector::iterator
&stack
) {
181 if (win
->getTransients().size() == 0) return; // nothing to do
183 // put win's transients in the stack
184 BlackboxWindowList::const_iterator it
, end
= win
->getTransients().end();
185 for (it
= win
->getTransients().begin(); it
!= end
; ++it
) {
186 *stack
++ = (*it
)->getFrameWindow();
187 screen
->updateNetizenWindowRaise((*it
)->getClientWindow());
189 if (! (*it
)->isIconic()) {
190 Workspace
*wkspc
= screen
->getWorkspace((*it
)->getWorkspaceNumber());
191 wkspc
->stackingList
.remove((*it
));
192 wkspc
->stackingList
.push_front((*it
));
196 // put transients of win's transients in the stack
197 for (it
= win
->getTransients().begin(); it
!= end
; ++it
) {
198 raiseTransients(*it
, stack
);
203 void Workspace::lowerTransients(const BlackboxWindow
* const win
,
204 StackVector::iterator
&stack
) {
205 if (win
->getTransients().size() == 0) return; // nothing to do
207 // put transients of win's transients in the stack
208 BlackboxWindowList::const_reverse_iterator it
,
209 end
= win
->getTransients().rend();
210 for (it
= win
->getTransients().rbegin(); it
!= end
; ++it
) {
211 lowerTransients(*it
, stack
);
214 // put win's transients in the stack
215 for (it
= win
->getTransients().rbegin(); it
!= end
; ++it
) {
216 *stack
++ = (*it
)->getFrameWindow();
217 screen
->updateNetizenWindowLower((*it
)->getClientWindow());
219 if (! (*it
)->isIconic()) {
220 Workspace
*wkspc
= screen
->getWorkspace((*it
)->getWorkspaceNumber());
221 wkspc
->stackingList
.remove((*it
));
222 wkspc
->stackingList
.push_back((*it
));
229 void Workspace::raiseWindow(BlackboxWindow
*w
) {
230 BlackboxWindow
*win
= w
;
232 // walk up the transient_for's to the window that is not a transient
233 while (win
->isTransient()) {
234 if (! win
->getTransientFor()) break;
235 win
= win
->getTransientFor();
238 // get the total window count (win and all transients)
239 unsigned int i
= 1 + countTransients(win
);
241 // stack the window with all transients above
242 StackVector
stack_vector(i
);
243 StackVector::iterator stack
= stack_vector
.begin();
245 *(stack
++) = win
->getFrameWindow();
246 screen
->updateNetizenWindowRaise(win
->getClientWindow());
247 if (! win
->isIconic()) {
248 Workspace
*wkspc
= screen
->getWorkspace(win
->getWorkspaceNumber());
249 wkspc
->stackingList
.remove(win
);
250 wkspc
->stackingList
.push_front(win
);
253 raiseTransients(win
, stack
);
255 screen
->raiseWindows(&stack_vector
[0], stack_vector
.size());
259 void Workspace::lowerWindow(BlackboxWindow
*w
) {
260 BlackboxWindow
*win
= w
;
262 // walk up the transient_for's to the window that is not a transient
263 while (win
->isTransient()) {
264 if (! win
->getTransientFor()) break;
265 win
= win
->getTransientFor();
268 // get the total window count (win and all transients)
269 unsigned int i
= 1 + countTransients(win
);
271 // stack the window with all transients above
272 StackVector
stack_vector(i
);
273 StackVector::iterator stack
= stack_vector
.begin();
275 lowerTransients(win
, stack
);
277 *(stack
++) = win
->getFrameWindow();
278 screen
->updateNetizenWindowLower(win
->getClientWindow());
279 if (! win
->isIconic()) {
280 Workspace
*wkspc
= screen
->getWorkspace(win
->getWorkspaceNumber());
281 wkspc
->stackingList
.remove(win
);
282 wkspc
->stackingList
.push_back(win
);
285 XLowerWindow(screen
->getBaseDisplay()->getXDisplay(), stack_vector
.front());
286 XRestackWindows(screen
->getBaseDisplay()->getXDisplay(),
287 &stack_vector
[0], stack_vector
.size());
291 void Workspace::reconfigure(void) {
292 clientmenu
->reconfigure();
293 std::for_each(windowList
.begin(), windowList
.end(),
294 std::mem_fun(&BlackboxWindow::reconfigure
));
298 void Workspace::updateFocusModel(void) {
299 std::for_each(windowList
.begin(), windowList
.end(),
300 std::mem_fun(&BlackboxWindow::updateFocusModel
));
304 BlackboxWindow
*Workspace::getWindow(unsigned int index
) {
305 if (index
< windowList
.size()) {
306 BlackboxWindowList::iterator it
= windowList
.begin();
307 for(; index
> 0; --index
, ++it
); /* increment to index */
315 Workspace::getNextWindowInList(BlackboxWindow
*w
) {
316 BlackboxWindowList::iterator it
= std::find(windowList
.begin(),
319 assert(it
!= windowList
.end()); // window must be in list
321 if (it
== windowList
.end())
322 return windowList
.front(); // if we walked off the end, wrap around
328 BlackboxWindow
* Workspace::getPrevWindowInList(BlackboxWindow
*w
) {
329 BlackboxWindowList::iterator it
= std::find(windowList
.begin(),
332 assert(it
!= windowList
.end()); // window must be in list
333 if (it
== windowList
.begin())
334 return windowList
.back(); // if we walked of the front, wrap around
340 BlackboxWindow
* Workspace::getTopWindowOnStack(void) const {
341 return stackingList
.front();
345 void Workspace::sendWindowList(Netizen
&n
) {
346 BlackboxWindowList::iterator it
= windowList
.begin(),
347 end
= windowList
.end();
348 for(; it
!= end
; ++it
)
349 n
.sendWindowAdd((*it
)->getClientWindow(), getID());
353 unsigned int Workspace::getCount(void) const {
354 return windowList
.size();
358 bool Workspace::isCurrent(void) const {
359 return (id
== screen
->getCurrentWorkspaceID());
363 bool Workspace::isLastWindow(const BlackboxWindow
* const w
) const {
364 return (w
== windowList
.back());
367 void Workspace::setCurrent(void) {
368 screen
->changeWorkspaceID(id
);
372 void Workspace::setName(const string
& new_name
) {
373 if (! new_name
.empty()) {
376 string tmp
=i18n(WorkspaceSet
, WorkspaceDefaultNameFormat
, "Workspace %d");
377 assert(tmp
.length() < 32);
378 char default_name
[32];
379 sprintf(default_name
, tmp
.c_str(), id
+ 1);
383 clientmenu
->setLabel(name
);
384 clientmenu
->update();
385 screen
->saveWorkspaceNames();
390 * Calculate free space available for window placement.
392 typedef std::vector
<Rect
> rectList
;
394 static rectList
calcSpace(const Rect
&win
, const rectList
&spaces
) {
397 rectList::const_iterator siter
, end
= spaces
.end();
398 for (siter
= spaces
.begin(); siter
!= end
; ++siter
) {
399 const Rect
&curr
= *siter
;
401 if(! win
.intersects(curr
)) {
402 result
.push_back(curr
);
406 /* Use an intersection of win and curr to determine the space around
407 * curr that we can use.
409 * NOTE: the spaces calculated can overlap.
414 extra
.setCoords(curr
.left(), curr
.top(),
415 isect
.left() - 1, curr
.bottom());
416 if (extra
.valid()) result
.push_back(extra
);
419 extra
.setCoords(curr
.left(), curr
.top(),
420 curr
.right(), isect
.top() - 1);
421 if (extra
.valid()) result
.push_back(extra
);
424 extra
.setCoords(isect
.right() + 1, curr
.top(),
425 curr
.right(), curr
.bottom());
426 if (extra
.valid()) result
.push_back(extra
);
429 extra
.setCoords(curr
.left(), isect
.bottom() + 1,
430 curr
.right(), curr
.bottom());
431 if (extra
.valid()) result
.push_back(extra
);
437 static bool rowRLBT(const Rect
&first
, const Rect
&second
) {
438 if (first
.bottom() == second
.bottom())
439 return first
.right() > second
.right();
440 return first
.bottom() > second
.bottom();
443 static bool rowRLTB(const Rect
&first
, const Rect
&second
) {
444 if (first
.y() == second
.y())
445 return first
.right() > second
.right();
446 return first
.y() < second
.y();
449 static bool rowLRBT(const Rect
&first
, const Rect
&second
) {
450 if (first
.bottom() == second
.bottom())
451 return first
.x() < second
.x();
452 return first
.bottom() > second
.bottom();
455 static bool rowLRTB(const Rect
&first
, const Rect
&second
) {
456 if (first
.y() == second
.y())
457 return first
.x() < second
.x();
458 return first
.y() < second
.y();
461 static bool colLRTB(const Rect
&first
, const Rect
&second
) {
462 if (first
.x() == second
.x())
463 return first
.y() < second
.y();
464 return first
.x() < second
.x();
467 static bool colLRBT(const Rect
&first
, const Rect
&second
) {
468 if (first
.x() == second
.x())
469 return first
.bottom() > second
.bottom();
470 return first
.x() < second
.x();
473 static bool colRLTB(const Rect
&first
, const Rect
&second
) {
474 if (first
.right() == second
.right())
475 return first
.y() < second
.y();
476 return first
.right() > second
.right();
479 static bool colRLBT(const Rect
&first
, const Rect
&second
) {
480 if (first
.right() == second
.right())
481 return first
.bottom() > second
.bottom();
482 return first
.right() > second
.right();
486 bool Workspace::smartPlacement(Rect
& win
, const Rect
& availableArea
) {
488 spaces
.push_back(availableArea
); //initially the entire screen is free
491 BlackboxWindowList::iterator wit
= windowList
.begin(),
492 end
= windowList
.end();
494 for (; wit
!= end
; ++wit
) {
495 const BlackboxWindow
* const curr
= *wit
;
496 tmp
.setRect(curr
->frameRect().x(), curr
->frameRect().y(),
497 curr
->frameRect().width() + screen
->getBorderWidth(),
498 curr
->frameRect().height() + screen
->getBorderWidth());
500 spaces
= calcSpace(tmp
, spaces
);
503 if (screen
->getPlacementPolicy() == BScreen::RowSmartPlacement
) {
504 if(screen
->getRowPlacementDirection() == BScreen::LeftRight
) {
505 if(screen
->getColPlacementDirection() == BScreen::TopBottom
)
506 sort(spaces
.begin(), spaces
.end(), rowLRTB
);
508 sort(spaces
.begin(), spaces
.end(), rowLRBT
);
510 if(screen
->getColPlacementDirection() == BScreen::TopBottom
)
511 sort(spaces
.begin(), spaces
.end(), rowRLTB
);
513 sort(spaces
.begin(), spaces
.end(), rowRLBT
);
516 if(screen
->getColPlacementDirection() == BScreen::TopBottom
) {
517 if(screen
->getRowPlacementDirection() == BScreen::LeftRight
)
518 sort(spaces
.begin(), spaces
.end(), colLRTB
);
520 sort(spaces
.begin(), spaces
.end(), colRLTB
);
522 if(screen
->getRowPlacementDirection() == BScreen::LeftRight
)
523 sort(spaces
.begin(), spaces
.end(), colLRBT
);
525 sort(spaces
.begin(), spaces
.end(), colRLBT
);
529 rectList::const_iterator sit
= spaces
.begin(), spaces_end
= spaces
.end();
530 for(; sit
!= spaces_end
; ++sit
) {
531 if (sit
->width() >= win
.width() && sit
->height() >= win
.height())
535 if (sit
== spaces_end
)
538 //set new position based on the empty space found
539 const Rect
& where
= *sit
;
543 // adjust the location() based on left/right and top/bottom placement
544 if (screen
->getPlacementPolicy() == BScreen::RowSmartPlacement
) {
545 if (screen
->getRowPlacementDirection() == BScreen::RightLeft
)
546 win
.setX(where
.right() - win
.width());
547 if (screen
->getColPlacementDirection() == BScreen::BottomTop
)
548 win
.setY(where
.bottom() - win
.height());
550 if (screen
->getColPlacementDirection() == BScreen::BottomTop
)
551 win
.setY(win
.y() + where
.height() - win
.height());
552 if (screen
->getRowPlacementDirection() == BScreen::RightLeft
)
553 win
.setX(win
.x() + where
.width() - win
.width());
559 bool Workspace::cascadePlacement(Rect
&win
, const Rect
&availableArea
) {
560 if ((cascade_x
> static_cast<signed>(availableArea
.width() / 2)) ||
561 (cascade_y
> static_cast<signed>(availableArea
.height() / 2)))
562 cascade_x
= cascade_y
= 32;
564 if (cascade_x
== 32) {
565 cascade_x
+= availableArea
.x();
566 cascade_y
+= availableArea
.y();
569 win
.setPos(cascade_x
, cascade_y
);
575 void Workspace::placeWindow(BlackboxWindow
*win
) {
576 Rect
availableArea(screen
->availableArea()),
577 new_win(availableArea
.x(), availableArea
.y(),
578 win
->frameRect().width(), win
->frameRect().height());
581 switch (screen
->getPlacementPolicy()) {
582 case BScreen::RowSmartPlacement
:
583 case BScreen::ColSmartPlacement
:
584 placed
= smartPlacement(new_win
, availableArea
);
587 break; // handled below
590 if (placed
== False
) {
591 cascadePlacement(new_win
, availableArea
);
592 cascade_x
+= win
->getTitleHeight() + (screen
->getBorderWidth() * 2);
593 cascade_y
+= win
->getTitleHeight() + (screen
->getBorderWidth() * 2);
596 if (new_win
.right() > availableArea
.right())
597 new_win
.setX(availableArea
.left());
598 if (new_win
.bottom() > availableArea
.bottom())
599 new_win
.setY(availableArea
.top());
600 win
->configure(new_win
.x(), new_win
.y(), new_win
.width(), new_win
.height());