Dogcows Code - chaz/openbox/blob - src/Workspace.cc

   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)
   5 //
   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:
  12 //
  13 // The above copyright notice and this permission notice shall be included in
  14 // all copies or substantial portions of the Software.
  15 //
  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.
  23
  24 #ifdef    HAVE_CONFIG_H
  25 #  include "../config.h"
  26 #endif // HAVE_CONFIG_H
  27
  28 extern "C" {
  29 #include <X11/Xlib.h>
  30 #include <X11/Xatom.h>
  31
  32 #ifdef    HAVE_STDIO_H
  33 #  include <stdio.h>
  34 #endif // HAVE_STDIO_H
  35
  36 #ifdef HAVE_STRING_H
  37 #  include <string.h>
  38 #endif // HAVE_STRING_H
  39 }
  40
  41 #include <assert.h>
  42
  43 #include <functional>
  44 #include <string>
  45
  46 using std::string;
  47
  48 #include "i18n.hh"
  49 #include "blackbox.hh"
  50 #include "Clientmenu.hh"
  51 #include "Font.hh"
  52 #include "Netizen.hh"
  53 #include "Screen.hh"
  54 #include "Toolbar.hh"
  55 #include "Util.hh"
  56 #include "Window.hh"
  57 #include "Workspace.hh"
  58 #include "Windowmenu.hh"
  59 #include "XAtom.hh"
  60
  61
  62 Workspace::Workspace(BScreen *scrn, unsigned int i) {
  63   screen = scrn;
  64   xatom = screen->getBlackbox()->getXAtom();
  65
  66   cascade_x = cascade_y = 0;
  67 #ifdef    XINERAMA
  68   cascade_region = 0;
  69 #endif // XINERAMA
  70
  71   id = i;
  72
  73   clientmenu = new Clientmenu(this);
  74
  75   lastfocus = (BlackboxWindow *) 0;
  76
  77   readName();
  78 }
  79
  80
  81 void Workspace::addWindow(BlackboxWindow *w, bool place, bool sticky) {
  82   assert(w != 0);
  83
  84   if (place) placeWindow(w);
  85
  86   stackingList.push_front(w);
  87
  88   if (w->isNormal()) {
  89     if (! sticky) {
  90       w->setWorkspace(id);
  91       w->setWindowNumber(windowList.size());
  92     }
  93
  94     windowList.push_back(w);
  95
  96     clientmenu->insert(w->getTitle());
  97     clientmenu->update();
  98
  99     if (! sticky)
 100       screen->updateNetizenWindowAdd(w->getClientWindow(), id);
 101
 102     if (screen->doFocusNew() || (w->isTransient() && w->getTransientFor() &&
 103                                  w->getTransientFor()->isFocused())) {
 104       if (id == screen->getCurrentWorkspaceID())
 105         w->setInputFocus();
 106       else {
 107         /*
 108            not on the focused workspace, so the window is not going to get focus
 109            but if the user wants new windows focused, then it should get focus
 110            when this workspace does become focused.
 111         */
 112         lastfocus = w;
 113       }
 114     }
 115   }
 116
 117   if (! w->isDesktop())
 118     raiseWindow(w);
 119   else
 120     lowerWindow(w);
 121 }
 122
 123
 124 void Workspace::removeWindow(BlackboxWindow *w, bool sticky) {
 125   assert(w != 0);
 126
 127   stackingList.remove(w);
 128
 129   // pass focus to the next appropriate window
 130   if ((w->isFocused() || w == lastfocus) &&
 131       ! screen->getBlackbox()->doShutdown()) {
 132     focusFallback(w);
 133   }
 134
 135   if (! w->isNormal()) return;
 136
 137   BlackboxWindowList::iterator it, end = windowList.end();
 138   int i;
 139   for (i = 0, it = windowList.begin(); it != end; ++it, ++i)
 140     if (*it == w)
 141       break;
 142   assert(it != end);
 143
 144   windowList.erase(it);
 145   clientmenu->remove(i);
 146   clientmenu->update();
 147
 148   if (! sticky) {
 149     screen->updateNetizenWindowDel(w->getClientWindow());
 150
 151     BlackboxWindowList::iterator it = windowList.begin();
 152     const BlackboxWindowList::iterator end = windowList.end();
 153     unsigned int i = 0;
 154     for (; it != end; ++it, ++i)
 155       (*it)->setWindowNumber(i);
 156   }
 157
 158   if (i == 0) {
 159     cascade_x = cascade_y = 0;
 160 #ifdef    XINERAMA
 161     cascade_region = 0;
 162 #endif // XINERAMA
 163   }
 164 }
 165
 166
 167 void Workspace::focusFallback(const BlackboxWindow *old_window) {
 168   BlackboxWindow *newfocus = 0;
 169
 170   if (id == screen->getCurrentWorkspaceID()) {
 171     // The window is on the visible workspace.
 172
 173     // if it's a transient, then try to focus its parent
 174     if (old_window && old_window->isTransient()) {
 175       newfocus = old_window->getTransientFor();
 176
 177       if (! newfocus ||
 178           newfocus->isIconic() ||                  // do not focus icons
 179           newfocus->getWorkspaceNumber() != id ||  // or other workspaces
 180           ! newfocus->setInputFocus())
 181         newfocus = 0;
 182     }
 183
 184     if (! newfocus) {
 185       BlackboxWindowList::iterator it = stackingList.begin(),
 186                                   end = stackingList.end();
 187       for (; it != end; ++it) {
 188         BlackboxWindow *tmp = *it;
 189         if (tmp && tmp->isNormal() && tmp->setInputFocus()) {
 190           // we found our new focus target
 191           newfocus = tmp;
 192           break;
 193         }
 194       }
 195     }
 196
 197     screen->getBlackbox()->setFocusedWindow(newfocus);
 198   } else {
 199     // The window is not on the visible workspace.
 200
 201     if (old_window && lastfocus == old_window) {
 202       // The window was the last-focus target, so we need to replace it.
 203       BlackboxWindow *win = (BlackboxWindow*) 0;
 204       if (! stackingList.empty())
 205         win = stackingList.front();
 206       setLastFocusedWindow(win);
 207     }
 208   }
 209 }
 210
 211
 212 void Workspace::setFocused(const BlackboxWindow *w, bool focused) {
 213   BlackboxWindowList::iterator it, end = windowList.end();
 214   int i;
 215   for (i = 0, it = windowList.begin(); it != end; ++it, ++i)
 216     if (*it == w)
 217       break;
 218   // if its == end, then a window thats not in the windowList
 219   // got focused, such as a !isNormal() window.
 220   if (it != end)
 221     clientmenu->setItemSelected(i, focused);
 222 }
 223
 224
 225 void Workspace::showAll(void) {
 226   BlackboxWindowList::iterator it = stackingList.begin();
 227   const BlackboxWindowList::iterator end = stackingList.end();
 228   for (; it != end; ++it) {
 229     BlackboxWindow *bw = *it;
 230     // not normal windows cant focus from mouse enters anyways, so we dont
 231     // need to unmap/remap them on workspace changes
 232     if (! bw->isStuck() || bw->isNormal())
 233       bw->show();
 234   }
 235 }
 236
 237
 238 void Workspace::hideAll(void) {
 239   // withdraw in reverse order to minimize the number of Expose events
 240   BlackboxWindowList::reverse_iterator it = stackingList.rbegin();
 241   const BlackboxWindowList::reverse_iterator end = stackingList.rend();
 242   while (it != end) {
 243     BlackboxWindow *bw = *it;
 244     ++it; // withdraw removes the current item from the list so we need the next
 245           // iterator before that happens
 246     // not normal windows cant focus from mouse enters anyways, so we dont
 247     // need to unmap/remap them on workspace changes
 248     if (! bw->isStuck() || bw->isNormal())
 249       bw->withdraw();
 250   }
 251 }
 252
 253
 254 void Workspace::removeAll(void) {
 255   while (! windowList.empty())
 256     windowList.front()->iconify();
 257 }
 258
 259
 260 /*
 261  * returns the number of transients for win, plus the number of transients
 262  * associated with each transient of win
 263  */
 264 static int countTransients(const BlackboxWindow * const win) {
 265   int ret = win->getTransients().size();
 266   if (ret > 0) {
 267     BlackboxWindowList::const_iterator it, end = win->getTransients().end();
 268     for (it = win->getTransients().begin(); it != end; ++it) {
 269       ret += countTransients(*it);
 270     }
 271   }
 272   return ret;
 273 }
 274
 275
 276 /*
 277  * puts the transients of win into the stack. windows are stacked above
 278  * the window before it in the stackvector being iterated, meaning
 279  * stack[0] is on bottom, stack[1] is above stack[0], stack[2] is above
 280  * stack[1], etc...
 281  */
 282 void Workspace::raiseTransients(const BlackboxWindow * const win,
 283                                 StackVector::iterator &stack) {
 284   if (win->getTransients().size() == 0) return; // nothing to do
 285
 286   // put win's transients in the stack
 287   BlackboxWindowList::const_iterator it, end = win->getTransients().end();
 288   for (it = win->getTransients().begin(); it != end; ++it) {
 289     *stack++ = (*it)->getFrameWindow();
 290     screen->updateNetizenWindowRaise((*it)->getClientWindow());
 291
 292     if (! (*it)->isIconic()) {
 293       Workspace *wkspc = screen->getWorkspace((*it)->getWorkspaceNumber());
 294       wkspc->stackingList.remove((*it));
 295       wkspc->stackingList.push_front((*it));
 296     }
 297   }
 298
 299   // put transients of win's transients in the stack
 300   for (it = win->getTransients().begin(); it != end; ++it) {
 301     raiseTransients(*it, stack);
 302   }
 303 }
 304
 305
 306 void Workspace::lowerTransients(const BlackboxWindow * const win,
 307                                 StackVector::iterator &stack) {
 308   if (win->getTransients().size() == 0) return; // nothing to do
 309
 310   // put transients of win's transients in the stack
 311   BlackboxWindowList::const_reverse_iterator it,
 312     end = win->getTransients().rend();
 313   for (it = win->getTransients().rbegin(); it != end; ++it) {
 314     lowerTransients(*it, stack);
 315   }
 316
 317   // put win's transients in the stack
 318   for (it = win->getTransients().rbegin(); it != end; ++it) {
 319     *stack++ = (*it)->getFrameWindow();
 320     screen->updateNetizenWindowLower((*it)->getClientWindow());
 321
 322     if (! (*it)->isIconic()) {
 323       Workspace *wkspc = screen->getWorkspace((*it)->getWorkspaceNumber());
 324       wkspc->stackingList.remove((*it));
 325       wkspc->stackingList.push_back((*it));
 326     }
 327   }
 328 }
 329
 330
 331 void Workspace::raiseWindow(BlackboxWindow *w) {
 332   BlackboxWindow *win = w;
 333
 334   if (win->isDesktop()) return;
 335
 336   // walk up the transient_for's to the window that is not a transient
 337   while (win->isTransient() && ! win->isDesktop()) {
 338     if (! win->getTransientFor()) break;
 339     win = win->getTransientFor();
 340   }
 341
 342   // get the total window count (win and all transients)
 343   unsigned int i = 1 + countTransients(win);
 344
 345   // stack the window with all transients above
 346   StackVector stack_vector(i);
 347   StackVector::iterator stack = stack_vector.begin();
 348
 349   *(stack++) = win->getFrameWindow();
 350   screen->updateNetizenWindowRaise(win->getClientWindow());
 351   if (! (win->isIconic() || win->isDesktop())) {
 352     Workspace *wkspc = screen->getWorkspace(win->getWorkspaceNumber());
 353     wkspc->stackingList.remove(win);
 354     wkspc->stackingList.push_front(win);
 355   }
 356
 357   raiseTransients(win, stack);
 358
 359   screen->raiseWindows(&stack_vector[0], stack_vector.size());
 360 }
 361
 362
 363 void Workspace::lowerWindow(BlackboxWindow *w) {
 364   BlackboxWindow *win = w;
 365
 366   // walk up the transient_for's to the window that is not a transient
 367   while (win->isTransient() && ! win->isDesktop()) {
 368     if (! win->getTransientFor()) break;
 369     win = win->getTransientFor();
 370   }
 371
 372   // get the total window count (win and all transients)
 373   unsigned int i = 1 + countTransients(win);
 374
 375   // stack the window with all transients above
 376   StackVector stack_vector(i);
 377   StackVector::iterator stack = stack_vector.begin();
 378
 379   lowerTransients(win, stack);
 380
 381   *(stack++) = win->getFrameWindow();
 382   screen->updateNetizenWindowLower(win->getClientWindow());
 383   if (! (win->isIconic() || win->isDesktop())) {
 384     Workspace *wkspc = screen->getWorkspace(win->getWorkspaceNumber());
 385     wkspc->stackingList.remove(win);
 386     wkspc->stackingList.push_back(win);
 387   }
 388
 389   screen->lowerWindows(&stack_vector[0], stack_vector.size());
 390 }
 391
 392
 393 void Workspace::reconfigure(void) {
 394   clientmenu->reconfigure();
 395   std::for_each(windowList.begin(), windowList.end(),
 396                 std::mem_fun(&BlackboxWindow::reconfigure));
 397 }
 398
 399
 400 BlackboxWindow *Workspace::getWindow(unsigned int index) {
 401   if (index < windowList.size()) {
 402     BlackboxWindowList::iterator it = windowList.begin();
 403     for(; index > 0; --index, ++it); /* increment to index */
 404     return *it;
 405   }
 406   return 0;
 407 }
 408
 409
 410 BlackboxWindow*
 411 Workspace::getNextWindowInList(BlackboxWindow *w) {
 412   BlackboxWindowList::iterator it = std::find(windowList.begin(),
 413                                               windowList.end(),
 414                                               w);
 415   assert(it != windowList.end());   // window must be in list
 416   ++it;                             // next window
 417   if (it == windowList.end())
 418     return windowList.front();      // if we walked off the end, wrap around
 419
 420   return *it;
 421 }
 422
 423
 424 BlackboxWindow* Workspace::getPrevWindowInList(BlackboxWindow *w) {
 425   BlackboxWindowList::iterator it = std::find(windowList.begin(),
 426                                               windowList.end(),
 427                                               w);
 428   assert(it != windowList.end()); // window must be in list
 429   if (it == windowList.begin())
 430     return windowList.back();     // if we walked of the front, wrap around
 431
 432   return *(--it);
 433 }
 434
 435
 436 BlackboxWindow* Workspace::getTopWindowOnStack(void) const {
 437   return stackingList.front();
 438 }
 439
 440
 441 void Workspace::sendWindowList(Netizen &n) {
 442   BlackboxWindowList::iterator it = windowList.begin(),
 443     end = windowList.end();
 444   for(; it != end; ++it)
 445     n.sendWindowAdd((*it)->getClientWindow(), getID());
 446 }
 447
 448
 449 unsigned int Workspace::getCount(void) const {
 450   return windowList.size();
 451 }
 452
 453
 454 void Workspace::appendStackOrder(BlackboxWindowList &stack_order) const {
 455   BlackboxWindowList::const_reverse_iterator it = stackingList.rbegin();
 456   const BlackboxWindowList::const_reverse_iterator end = stackingList.rend();
 457   for (; it != end; ++it)
 458     if ((*it)->isNormal())
 459       stack_order.push_back(*it);
 460 }
 461
 462
 463 bool Workspace::isCurrent(void) const {
 464   return (id == screen->getCurrentWorkspaceID());
 465 }
 466
 467
 468 bool Workspace::isLastWindow(const BlackboxWindow* const w) const {
 469   return (w == windowList.back());
 470 }
 471
 472
 473 void Workspace::setCurrent(void) {
 474   screen->changeWorkspaceID(id);
 475 }
 476
 477
 478 void Workspace::readName(void) {
 479   XAtom::StringVect namesList;
 480   unsigned long numnames = id + 1;
 481
 482   // attempt to get from the _NET_WM_DESKTOP_NAMES property
 483   if (xatom->getValue(screen->getRootWindow(), XAtom::net_desktop_names,
 484                       XAtom::utf8, numnames, namesList) &&
 485       namesList.size() > id) {
 486     name = namesList[id];
 487
 488     clientmenu->setLabel(name);
 489     clientmenu->update();
 490   } else {
 491     /*
 492        Use a default name. This doesn't actually change the class. That will
 493        happen after the setName changes the root property, and that change
 494        makes its way back to this function.
 495     */
 496     string tmp =i18n(WorkspaceSet, WorkspaceDefaultNameFormat,
 497                      "Workspace %d");
 498     assert(tmp.length() < 32);
 499     char default_name[32];
 500     sprintf(default_name, tmp.c_str(), id + 1);
 501
 502     setName(default_name);  // save this into the _NET_WM_DESKTOP_NAMES property
 503   }
 504 }
 505
 506
 507 void Workspace::setName(const string& new_name) {
 508   // set the _NET_WM_DESKTOP_NAMES property with the new name
 509   XAtom::StringVect namesList;
 510   unsigned long numnames = (unsigned) -1;
 511   if (xatom->getValue(screen->getRootWindow(), XAtom::net_desktop_names,
 512                       XAtom::utf8, numnames, namesList) &&
 513       namesList.size() > id)
 514     namesList[id] = new_name;
 515   else
 516     namesList.push_back(new_name);
 517
 518   xatom->setValue(screen->getRootWindow(), XAtom::net_desktop_names,
 519                   XAtom::utf8, namesList);
 520 }
 521
 522
 523 /*
 524  * Calculate free space available for window placement.
 525  */
 526 typedef std::vector<Rect> rectList;
 527
 528 static rectList calcSpace(const Rect &win, const rectList &spaces) {
 529   Rect isect, extra;
 530   rectList result;
 531   rectList::const_iterator siter, end = spaces.end();
 532   for (siter = spaces.begin(); siter != end; ++siter) {
 533     const Rect &curr = *siter;
 534
 535     if(! win.intersects(curr)) {
 536       result.push_back(curr);
 537       continue;
 538     }
 539
 540     /* Use an intersection of win and curr to determine the space around
 541      * curr that we can use.
 542      *
 543      * NOTE: the spaces calculated can overlap.
 544      */
 545     isect = curr & win;
 546
 547     // left
 548     extra.setCoords(curr.left(), curr.top(),
 549                     isect.left() - 1, curr.bottom());
 550     if (extra.valid()) result.push_back(extra);
 551
 552     // top
 553     extra.setCoords(curr.left(), curr.top(),
 554                     curr.right(), isect.top() - 1);
 555     if (extra.valid()) result.push_back(extra);
 556
 557     // right
 558     extra.setCoords(isect.right() + 1, curr.top(),
 559                     curr.right(), curr.bottom());
 560     if (extra.valid()) result.push_back(extra);
 561
 562     // bottom
 563     extra.setCoords(curr.left(), isect.bottom() + 1,
 564                     curr.right(), curr.bottom());
 565     if (extra.valid()) result.push_back(extra);
 566   }
 567   return result;
 568 }
 569
 570
 571 static bool rowRLBT(const Rect &first, const Rect &second) {
 572   if (first.bottom() == second.bottom())
 573     return first.right() > second.right();
 574   return first.bottom() > second.bottom();
 575 }
 576
 577 static bool rowRLTB(const Rect &first, const Rect &second) {
 578   if (first.y() == second.y())
 579     return first.right() > second.right();
 580   return first.y() < second.y();
 581 }
 582
 583 static bool rowLRBT(const Rect &first, const Rect &second) {
 584   if (first.bottom() == second.bottom())
 585     return first.x() < second.x();
 586   return first.bottom() > second.bottom();
 587 }
 588
 589 static bool rowLRTB(const Rect &first, const Rect &second) {
 590   if (first.y() == second.y())
 591     return first.x() < second.x();
 592   return first.y() < second.y();
 593 }
 594
 595 static bool colLRTB(const Rect &first, const Rect &second) {
 596   if (first.x() == second.x())
 597     return first.y() < second.y();
 598   return first.x() < second.x();
 599 }
 600
 601 static bool colLRBT(const Rect &first, const Rect &second) {
 602   if (first.x() == second.x())
 603     return first.bottom() > second.bottom();
 604   return first.x() < second.x();
 605 }
 606
 607 static bool colRLTB(const Rect &first, const Rect &second) {
 608   if (first.right() == second.right())
 609     return first.y() < second.y();
 610   return first.right() > second.right();
 611 }
 612
 613 static bool colRLBT(const Rect &first, const Rect &second) {
 614   if (first.right() == second.right())
 615     return first.bottom() > second.bottom();
 616   return first.right() > second.right();
 617 }
 618
 619
 620 bool Workspace::smartPlacement(Rect& win) {
 621   rectList spaces;
 622
 623   //initially the entire screen is free
 624 #ifdef    XINERAMA
 625   if (screen->isXineramaActive() &&
 626       screen->getBlackbox()->doXineramaPlacement()) {
 627     RectList availableAreas = screen->allAvailableAreas();
 628     RectList::iterator it, end = availableAreas.end();
 629
 630     for (it = availableAreas.begin(); it != end; ++it)
 631       spaces.push_back(*it);
 632   } else
 633 #endif // XINERAMA
 634     spaces.push_back(screen->availableArea());
 635
 636   //Find Free Spaces
 637   BlackboxWindowList::const_iterator wit = windowList.begin(),
 638     end = windowList.end();
 639   Rect tmp;
 640   for (; wit != end; ++wit) {
 641     const BlackboxWindow* const curr = *wit;
 642
 643     // watch for shaded windows and full-maxed windows
 644     if (curr->isShaded()) {
 645       if (screen->getPlaceIgnoreShaded()) continue;
 646     } else if (curr->isMaximizedFull()) {
 647       if (screen->getPlaceIgnoreMaximized()) continue;
 648     }
 649
 650     tmp.setRect(curr->frameRect().x(), curr->frameRect().y(),
 651                 curr->frameRect().width() + screen->getBorderWidth(),
 652                 curr->frameRect().height() + screen->getBorderWidth());
 653
 654     spaces = calcSpace(tmp, spaces);
 655   }
 656
 657   if (screen->getPlacementPolicy() == BScreen::RowSmartPlacement) {
 658     if(screen->getRowPlacementDirection() == BScreen::LeftRight) {
 659       if(screen->getColPlacementDirection() == BScreen::TopBottom)
 660         std::sort(spaces.begin(), spaces.end(), rowLRTB);
 661       else
 662         std::sort(spaces.begin(), spaces.end(), rowLRBT);
 663     } else {
 664       if(screen->getColPlacementDirection() == BScreen::TopBottom)
 665         std::sort(spaces.begin(), spaces.end(), rowRLTB);
 666       else
 667         std::sort(spaces.begin(), spaces.end(), rowRLBT);
 668     }
 669   } else {
 670     if(screen->getColPlacementDirection() == BScreen::TopBottom) {
 671       if(screen->getRowPlacementDirection() == BScreen::LeftRight)
 672         std::sort(spaces.begin(), spaces.end(), colLRTB);
 673       else
 674         std::sort(spaces.begin(), spaces.end(), colRLTB);
 675     } else {
 676       if(screen->getRowPlacementDirection() == BScreen::LeftRight)
 677         std::sort(spaces.begin(), spaces.end(), colLRBT);
 678       else
 679         std::sort(spaces.begin(), spaces.end(), colRLBT);
 680     }
 681   }
 682
 683   rectList::const_iterator sit = spaces.begin(), spaces_end = spaces.end();
 684   for(; sit != spaces_end; ++sit) {
 685     if (sit->width() >= win.width() && sit->height() >= win.height())
 686       break;
 687   }
 688
 689   if (sit == spaces_end)
 690     return False;
 691
 692   //set new position based on the empty space found
 693   const Rect& where = *sit;
 694   win.setX(where.x());
 695   win.setY(where.y());
 696
 697   // adjust the location() based on left/right and top/bottom placement
 698   if (screen->getPlacementPolicy() == BScreen::RowSmartPlacement) {
 699     if (screen->getRowPlacementDirection() == BScreen::RightLeft)
 700       win.setX(where.right() - win.width());
 701     if (screen->getColPlacementDirection() == BScreen::BottomTop)
 702       win.setY(where.bottom() - win.height());
 703   } else {
 704     if (screen->getColPlacementDirection() == BScreen::BottomTop)
 705       win.setY(win.y() + where.height() - win.height());
 706     if (screen->getRowPlacementDirection() == BScreen::RightLeft)
 707       win.setX(win.x() + where.width() - win.width());
 708   }
 709   return True;
 710 }
 711
 712
 713 bool Workspace::underMousePlacement(Rect &win) {
 714   int x, y, rx, ry;
 715   Window c, r;
 716   unsigned int m;
 717   XQueryPointer(screen->getBlackbox()->getXDisplay(), screen->getRootWindow(),
 718                 &r, &c, &rx, &ry, &x, &y, &m);
 719
 720   Rect area;
 721 #ifdef    XINERAMA
 722   if (screen->isXineramaActive() &&
 723       screen->getBlackbox()->doXineramaPlacement()) {
 724     RectList availableAreas = screen->allAvailableAreas();
 725     RectList::iterator it, end = availableAreas.end();
 726
 727     for (it = availableAreas.begin(); it != end; ++it)
 728       if (it->contains(rx, ry)) break;
 729     assert(it != end);  // the mouse isn't inside an area?
 730     area = *it;
 731   } else
 732 #endif // XINERAMA
 733     area = screen->availableArea();
 734
 735   x = rx - win.width() / 2;
 736   y = ry - win.height() / 2;
 737
 738   if (x < area.x())
 739     x = area.x();
 740   if (y < area.y())
 741     y = area.y();
 742   if (x + win.width() > area.x() + area.width())
 743     x = area.x() + area.width() - win.width();
 744   if (y + win.height() > area.y() + area.height())
 745     y = area.y() + area.height() - win.height();
 746
 747   win.setX(x);
 748   win.setY(y);
 749
 750   return True;
 751 }
 752
 753
 754 bool Workspace::cascadePlacement(Rect &win, const int offset) {
 755   Rect area;
 756
 757 #ifdef    XINERAMA
 758   if (screen->isXineramaActive() &&
 759       screen->getBlackbox()->doXineramaPlacement()) {
 760     area = screen->allAvailableAreas()[cascade_region];
 761   } else
 762 #endif // XINERAMA
 763     area = screen->availableArea();
 764
 765   if ((static_cast<signed>(cascade_x + win.width()) > area.right() + 1) ||
 766       (static_cast<signed>(cascade_y + win.height()) > area.bottom() + 1)) {
 767     cascade_x = cascade_y = 0;
 768 #ifdef    XINERAMA
 769     if (screen->isXineramaActive() &&
 770         screen->getBlackbox()->doXineramaPlacement()) {
 771       // go to the next xinerama region, and use its area
 772       if (++cascade_region >= screen->allAvailableAreas().size())
 773         cascade_region = 0;
 774       area = screen->allAvailableAreas()[cascade_region];
 775     }
 776 #endif // XINERAMA
 777   }
 778
 779   if (cascade_x == 0) {
 780     cascade_x = area.x() + offset;
 781     cascade_y = area.y() + offset;
 782   }
 783
 784   win.setPos(cascade_x, cascade_y);
 785
 786   cascade_x += offset;
 787   cascade_y += offset;
 788
 789   return True;
 790 }
 791
 792
 793 void Workspace::placeWindow(BlackboxWindow *win) {
 794   Rect new_win(0, 0, win->frameRect().width(), win->frameRect().height());
 795   bool placed = False;
 796
 797   switch (screen->getPlacementPolicy()) {
 798   case BScreen::RowSmartPlacement:
 799   case BScreen::ColSmartPlacement:
 800     placed = smartPlacement(new_win);
 801     break;
 802   case BScreen::UnderMousePlacement:
 803   case BScreen::ClickMousePlacement:
 804     placed = underMousePlacement(new_win);
 805   default:
 806     break; // handled below
 807   } // switch
 808
 809   if (placed == False)
 810     cascadePlacement(new_win, (win->getTitleHeight() +
 811                                screen->getBorderWidth() * 2));
 812
 813   if (new_win.right() > screen->availableArea().right())
 814     new_win.setX(screen->availableArea().left());
 815   if (new_win.bottom() > screen->availableArea().bottom())
 816     new_win.setY(screen->availableArea().top());
 817
 818   win->configure(new_win.x(), new_win.y(), new_win.width(), new_win.height());
 819 }