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::removeAll(void) {
 226   while (! windowList.empty())
 227     windowList.front()->iconify();
 228 }
 229
 230
 231 /*
 232  * returns the number of transients for win, plus the number of transients
 233  * associated with each transient of win
 234  */
 235 static unsigned int countTransients(const BlackboxWindow * const win) {
 236   BlackboxWindowList transients = win->getTransients();
 237   if (transients.empty()) return 0;
 238
 239   unsigned int ret = transients.size();
 240   BlackboxWindowList::const_iterator it = transients.begin(),
 241     end = transients.end();
 242   for (; it != end; ++it)
 243     ret += countTransients(*it);
 244
 245   return ret;
 246 }
 247
 248
 249 /*
 250  * puts the transients of win into the stack. windows are stacked above
 251  * the window before it in the stackvector being iterated, meaning
 252  * stack[0] is on bottom, stack[1] is above stack[0], stack[2] is above
 253  * stack[1], etc...
 254  */
 255 void Workspace::raiseTransients(const BlackboxWindow * const win,
 256                                 StackVector::iterator &stack) {
 257   if (win->getTransients().empty()) return; // nothing to do
 258
 259   // put win's transients in the stack
 260   BlackboxWindowList::const_iterator it, end = win->getTransients().end();
 261   for (it = win->getTransients().begin(); it != end; ++it) {
 262     BlackboxWindow *w = *it;
 263     *stack++ = w->getFrameWindow();
 264     screen->updateNetizenWindowRaise(w->getClientWindow());
 265
 266     if (! w->isIconic()) {
 267       Workspace *wkspc = screen->getWorkspace(w->getWorkspaceNumber());
 268       wkspc->stackingList.remove(w);
 269       wkspc->stackingList.push_front(w);
 270     }
 271   }
 272
 273   // put transients of win's transients in the stack
 274   for (it = win->getTransients().begin(); it != end; ++it)
 275     raiseTransients(*it, stack);
 276 }
 277
 278
 279 void Workspace::lowerTransients(const BlackboxWindow * const win,
 280                                 StackVector::iterator &stack) {
 281   if (win->getTransients().empty()) return; // nothing to do
 282
 283   // put transients of win's transients in the stack
 284   BlackboxWindowList::const_reverse_iterator it,
 285     end = win->getTransients().rend();
 286   for (it = win->getTransients().rbegin(); it != end; ++it)
 287     lowerTransients(*it, stack);
 288
 289   // put win's transients in the stack
 290   for (it = win->getTransients().rbegin(); it != end; ++it) {
 291     BlackboxWindow *w = *it;
 292     *stack++ = w->getFrameWindow();
 293     screen->updateNetizenWindowLower(w->getClientWindow());
 294
 295     if (! w->isIconic()) {
 296       Workspace *wkspc = screen->getWorkspace(w->getWorkspaceNumber());
 297       wkspc->stackingList.remove(w);
 298       wkspc->stackingList.push_back(w);
 299     }
 300   }
 301 }
 302
 303
 304 void Workspace::raiseWindow(BlackboxWindow *w) {
 305   BlackboxWindow *win = w;
 306
 307   if (win->isDesktop()) return;
 308
 309   // walk up the transient_for's to the window that is not a transient
 310   while (win->isTransient() && win->getTransientFor())
 311     win = win->getTransientFor();
 312
 313   // get the total window count (win and all transients)
 314   unsigned int i = 1 + countTransients(win);
 315
 316   // stack the window with all transients above
 317   StackVector stack_vector(i);
 318   StackVector::iterator stack = stack_vector.begin();
 319
 320   *(stack++) = win->getFrameWindow();
 321   screen->updateNetizenWindowRaise(win->getClientWindow());
 322   if (! (win->isIconic() || win->isDesktop())) {
 323     Workspace *wkspc = screen->getWorkspace(win->getWorkspaceNumber());
 324     wkspc->stackingList.remove(win);
 325     wkspc->stackingList.push_front(win);
 326   }
 327
 328   raiseTransients(win, stack);
 329
 330   screen->raiseWindows(&stack_vector[0], stack_vector.size());
 331 }
 332
 333
 334 void Workspace::lowerWindow(BlackboxWindow *w) {
 335   BlackboxWindow *win = w;
 336
 337   // walk up the transient_for's to the window that is not a transient
 338   while (win->isTransient() && win->getTransientFor())
 339     win = win->getTransientFor();
 340
 341   // get the total window count (win and all transients)
 342   unsigned int i = 1 + countTransients(win);
 343
 344   // stack the window with all transients above
 345   StackVector stack_vector(i);
 346   StackVector::iterator stack = stack_vector.begin();
 347
 348   lowerTransients(win, stack);
 349
 350   *(stack++) = win->getFrameWindow();
 351   screen->updateNetizenWindowLower(win->getClientWindow());
 352   if (! (win->isIconic() || win->isDesktop())) {
 353     Workspace *wkspc = screen->getWorkspace(win->getWorkspaceNumber());
 354     wkspc->stackingList.remove(win);
 355     wkspc->stackingList.push_back(win);
 356   }
 357
 358   screen->lowerWindows(&stack_vector[0], stack_vector.size());
 359 }
 360
 361
 362 void Workspace::reconfigure(void) {
 363   clientmenu->reconfigure();
 364   std::for_each(windowList.begin(), windowList.end(),
 365                 std::mem_fun(&BlackboxWindow::reconfigure));
 366 }
 367
 368
 369 BlackboxWindow *Workspace::getWindow(unsigned int index) {
 370   if (index < windowList.size()) {
 371     BlackboxWindowList::iterator it = windowList.begin();
 372     while (index-- > 0) // increment to index
 373       ++it;
 374     return *it;
 375   }
 376
 377   return 0;
 378 }
 379
 380
 381 BlackboxWindow*
 382 Workspace::getNextWindowInList(BlackboxWindow *w) {
 383   BlackboxWindowList::iterator it = std::find(windowList.begin(),
 384                                               windowList.end(),
 385                                               w);
 386   assert(it != windowList.end());   // window must be in list
 387   ++it;                             // next window
 388   if (it == windowList.end())
 389     return windowList.front();      // if we walked off the end, wrap around
 390
 391   return *it;
 392 }
 393
 394
 395 BlackboxWindow* Workspace::getPrevWindowInList(BlackboxWindow *w) {
 396   BlackboxWindowList::iterator it = std::find(windowList.begin(),
 397                                               windowList.end(),
 398                                               w);
 399   assert(it != windowList.end()); // window must be in list
 400   if (it == windowList.begin())
 401     return windowList.back();     // if we walked of the front, wrap around
 402
 403   return *(--it);
 404 }
 405
 406
 407 BlackboxWindow* Workspace::getTopWindowOnStack(void) const {
 408   assert(! stackingList.empty());
 409   return stackingList.front();
 410 }
 411
 412
 413 void Workspace::sendWindowList(Netizen &n) {
 414   BlackboxWindowList::iterator it = windowList.begin(),
 415     end = windowList.end();
 416   for(; it != end; ++it)
 417     n.sendWindowAdd((*it)->getClientWindow(), getID());
 418 }
 419
 420
 421 unsigned int Workspace::getCount(void) const {
 422   return windowList.size();
 423 }
 424
 425
 426 void Workspace::appendStackOrder(BlackboxWindowList &stack_order) const {
 427   BlackboxWindowList::const_reverse_iterator it = stackingList.rbegin();
 428   const BlackboxWindowList::const_reverse_iterator end = stackingList.rend();
 429   for (; it != end; ++it)
 430     if ((*it)->isNormal())
 431       stack_order.push_back(*it);
 432 }
 433
 434
 435 void Workspace::hide(void) {
 436   BlackboxWindow *focused = screen->getBlackbox()->getFocusedWindow();
 437   if (focused && focused->getScreen() == screen) {
 438     assert(focused->isStuck() || focused->getWorkspaceNumber() == id);
 439
 440     lastfocus = focused;
 441   } else {
 442     // if no window had focus, no need to store a last focus
 443     lastfocus = (BlackboxWindow *) 0;
 444   }
 445
 446   // when we switch workspaces, unfocus whatever was focused
 447   screen->getBlackbox()->setFocusedWindow((BlackboxWindow *) 0);
 448
 449   // withdraw windows in reverse order to minimize the number of Expose events
 450
 451   BlackboxWindowList::reverse_iterator it = stackingList.rbegin();
 452   const BlackboxWindowList::reverse_iterator end = stackingList.rend();
 453   for (; it != end; ++it) {
 454     BlackboxWindow *bw = *it;
 455     // not normal windows cant focus from mouse enters anyways, so we dont
 456     // need to unmap/remap them on workspace changes
 457     if (! bw->isStuck() || bw->isNormal())
 458       bw->withdraw();
 459   }
 460 }
 461
 462
 463 void Workspace::show(void) {
 464   std::for_each(stackingList.begin(), stackingList.end(),
 465                 std::mem_fun(&BlackboxWindow::show));
 466
 467   XSync(screen->getBlackbox()->getXDisplay(), False);
 468
 469   if (screen->doFocusLast()) {
 470     if (! screen->isSloppyFocus() && ! lastfocus && ! stackingList.empty())
 471       lastfocus = stackingList.front();
 472
 473     if (lastfocus)
 474       lastfocus->setInputFocus();
 475   }
 476 }
 477
 478
 479 bool Workspace::isCurrent(void) const {
 480   return (id == screen->getCurrentWorkspaceID());
 481 }
 482
 483
 484 bool Workspace::isLastWindow(const BlackboxWindow* const w) const {
 485   return (w == windowList.back());
 486 }
 487
 488
 489 void Workspace::setCurrent(void) {
 490   screen->changeWorkspaceID(id);
 491 }
 492
 493
 494 void Workspace::readName(void) {
 495   XAtom::StringVect namesList;
 496   unsigned long numnames = id + 1;
 497
 498   // attempt to get from the _NET_WM_DESKTOP_NAMES property
 499   if (xatom->getValue(screen->getRootWindow(), XAtom::net_desktop_names,
 500                       XAtom::utf8, numnames, namesList) &&
 501       namesList.size() > id) {
 502     name = namesList[id];
 503
 504     clientmenu->setLabel(name);
 505     clientmenu->update();
 506   } else {
 507     /*
 508        Use a default name. This doesn't actually change the class. That will
 509        happen after the setName changes the root property, and that change
 510        makes its way back to this function.
 511     */
 512     string tmp =i18n(WorkspaceSet, WorkspaceDefaultNameFormat,
 513                      "Workspace %d");
 514     assert(tmp.length() < 32);
 515     char default_name[32];
 516     sprintf(default_name, tmp.c_str(), id + 1);
 517
 518     setName(default_name);  // save this into the _NET_WM_DESKTOP_NAMES property
 519   }
 520 }
 521
 522
 523 void Workspace::setName(const string& new_name) {
 524   // set the _NET_WM_DESKTOP_NAMES property with the new name
 525   XAtom::StringVect namesList;
 526   unsigned long numnames = (unsigned) -1;
 527   if (xatom->getValue(screen->getRootWindow(), XAtom::net_desktop_names,
 528                       XAtom::utf8, numnames, namesList) &&
 529       namesList.size() > id)
 530     namesList[id] = new_name;
 531   else
 532     namesList.push_back(new_name);
 533
 534   xatom->setValue(screen->getRootWindow(), XAtom::net_desktop_names,
 535                   XAtom::utf8, namesList);
 536 }
 537
 538
 539 /*
 540  * Calculate free space available for window placement.
 541  */
 542 typedef std::vector<Rect> rectList;
 543
 544 static rectList calcSpace(const Rect &win, const rectList &spaces) {
 545   Rect isect, extra;
 546   rectList result;
 547   rectList::const_iterator siter, end = spaces.end();
 548   for (siter = spaces.begin(); siter != end; ++siter) {
 549     const Rect &curr = *siter;
 550
 551     if(! win.intersects(curr)) {
 552       result.push_back(curr);
 553       continue;
 554     }
 555
 556     /* Use an intersection of win and curr to determine the space around
 557      * curr that we can use.
 558      *
 559      * NOTE: the spaces calculated can overlap.
 560      */
 561     isect = curr & win;
 562
 563     // left
 564     extra.setCoords(curr.left(), curr.top(),
 565                     isect.left() - 1, curr.bottom());
 566     if (extra.valid()) result.push_back(extra);
 567
 568     // top
 569     extra.setCoords(curr.left(), curr.top(),
 570                     curr.right(), isect.top() - 1);
 571     if (extra.valid()) result.push_back(extra);
 572
 573     // right
 574     extra.setCoords(isect.right() + 1, curr.top(),
 575                     curr.right(), curr.bottom());
 576     if (extra.valid()) result.push_back(extra);
 577
 578     // bottom
 579     extra.setCoords(curr.left(), isect.bottom() + 1,
 580                     curr.right(), curr.bottom());
 581     if (extra.valid()) result.push_back(extra);
 582   }
 583   return result;
 584 }
 585
 586
 587 static bool rowRLBT(const Rect &first, const Rect &second) {
 588   if (first.bottom() == second.bottom())
 589     return first.right() > second.right();
 590   return first.bottom() > second.bottom();
 591 }
 592
 593 static bool rowRLTB(const Rect &first, const Rect &second) {
 594   if (first.y() == second.y())
 595     return first.right() > second.right();
 596   return first.y() < second.y();
 597 }
 598
 599 static bool rowLRBT(const Rect &first, const Rect &second) {
 600   if (first.bottom() == second.bottom())
 601     return first.x() < second.x();
 602   return first.bottom() > second.bottom();
 603 }
 604
 605 static bool rowLRTB(const Rect &first, const Rect &second) {
 606   if (first.y() == second.y())
 607     return first.x() < second.x();
 608   return first.y() < second.y();
 609 }
 610
 611 static bool colLRTB(const Rect &first, const Rect &second) {
 612   if (first.x() == second.x())
 613     return first.y() < second.y();
 614   return first.x() < second.x();
 615 }
 616
 617 static bool colLRBT(const Rect &first, const Rect &second) {
 618   if (first.x() == second.x())
 619     return first.bottom() > second.bottom();
 620   return first.x() < second.x();
 621 }
 622
 623 static bool colRLTB(const Rect &first, const Rect &second) {
 624   if (first.right() == second.right())
 625     return first.y() < second.y();
 626   return first.right() > second.right();
 627 }
 628
 629 static bool colRLBT(const Rect &first, const Rect &second) {
 630   if (first.right() == second.right())
 631     return first.bottom() > second.bottom();
 632   return first.right() > second.right();
 633 }
 634
 635
 636 bool Workspace::smartPlacement(Rect& win) {
 637   rectList spaces;
 638
 639   //initially the entire screen is free
 640 #ifdef    XINERAMA
 641   if (screen->isXineramaActive() &&
 642       screen->getBlackbox()->doXineramaPlacement()) {
 643     RectList availableAreas = screen->allAvailableAreas();
 644     RectList::iterator it, end = availableAreas.end();
 645
 646     for (it = availableAreas.begin(); it != end; ++it)
 647       spaces.push_back(*it);
 648   } else
 649 #endif // XINERAMA
 650     spaces.push_back(screen->availableArea());
 651
 652   //Find Free Spaces
 653   BlackboxWindowList::const_iterator wit = windowList.begin(),
 654     end = windowList.end();
 655   Rect tmp;
 656   for (; wit != end; ++wit) {
 657     const BlackboxWindow* const curr = *wit;
 658
 659     // watch for shaded windows and full-maxed windows
 660     if (curr->isShaded()) {
 661       if (screen->getPlaceIgnoreShaded()) continue;
 662     } else if (curr->isMaximizedFull()) {
 663       if (screen->getPlaceIgnoreMaximized()) continue;
 664     }
 665
 666     tmp.setRect(curr->frameRect().x(), curr->frameRect().y(),
 667                 curr->frameRect().width() + screen->getBorderWidth(),
 668                 curr->frameRect().height() + screen->getBorderWidth());
 669
 670     spaces = calcSpace(tmp, spaces);
 671   }
 672
 673   if (screen->getPlacementPolicy() == BScreen::RowSmartPlacement) {
 674     if(screen->getRowPlacementDirection() == BScreen::LeftRight) {
 675       if(screen->getColPlacementDirection() == BScreen::TopBottom)
 676         std::sort(spaces.begin(), spaces.end(), rowLRTB);
 677       else
 678         std::sort(spaces.begin(), spaces.end(), rowLRBT);
 679     } else {
 680       if(screen->getColPlacementDirection() == BScreen::TopBottom)
 681         std::sort(spaces.begin(), spaces.end(), rowRLTB);
 682       else
 683         std::sort(spaces.begin(), spaces.end(), rowRLBT);
 684     }
 685   } else {
 686     if(screen->getColPlacementDirection() == BScreen::TopBottom) {
 687       if(screen->getRowPlacementDirection() == BScreen::LeftRight)
 688         std::sort(spaces.begin(), spaces.end(), colLRTB);
 689       else
 690         std::sort(spaces.begin(), spaces.end(), colRLTB);
 691     } else {
 692       if(screen->getRowPlacementDirection() == BScreen::LeftRight)
 693         std::sort(spaces.begin(), spaces.end(), colLRBT);
 694       else
 695         std::sort(spaces.begin(), spaces.end(), colRLBT);
 696     }
 697   }
 698
 699   rectList::const_iterator sit = spaces.begin(), spaces_end = spaces.end();
 700   for(; sit != spaces_end; ++sit) {
 701     if (sit->width() >= win.width() && sit->height() >= win.height())
 702       break;
 703   }
 704
 705   if (sit == spaces_end)
 706     return False;
 707
 708   //set new position based on the empty space found
 709   const Rect& where = *sit;
 710   win.setX(where.x());
 711   win.setY(where.y());
 712
 713   // adjust the location() based on left/right and top/bottom placement
 714   if (screen->getPlacementPolicy() == BScreen::RowSmartPlacement) {
 715     if (screen->getRowPlacementDirection() == BScreen::RightLeft)
 716       win.setX(where.right() - win.width());
 717     if (screen->getColPlacementDirection() == BScreen::BottomTop)
 718       win.setY(where.bottom() - win.height());
 719   } else {
 720     if (screen->getColPlacementDirection() == BScreen::BottomTop)
 721       win.setY(win.y() + where.height() - win.height());
 722     if (screen->getRowPlacementDirection() == BScreen::RightLeft)
 723       win.setX(win.x() + where.width() - win.width());
 724   }
 725   return True;
 726 }
 727
 728
 729 bool Workspace::underMousePlacement(Rect &win) {
 730   int x, y, rx, ry;
 731   Window c, r;
 732   unsigned int m;
 733   XQueryPointer(screen->getBlackbox()->getXDisplay(), screen->getRootWindow(),
 734                 &r, &c, &rx, &ry, &x, &y, &m);
 735
 736   Rect area;
 737 #ifdef    XINERAMA
 738   if (screen->isXineramaActive() &&
 739       screen->getBlackbox()->doXineramaPlacement()) {
 740     RectList availableAreas = screen->allAvailableAreas();
 741     RectList::iterator it, end = availableAreas.end();
 742
 743     for (it = availableAreas.begin(); it != end; ++it)
 744       if (it->contains(rx, ry)) break;
 745     assert(it != end);  // the mouse isn't inside an area?
 746     area = *it;
 747   } else
 748 #endif // XINERAMA
 749     area = screen->availableArea();
 750
 751   x = rx - win.width() / 2;
 752   y = ry - win.height() / 2;
 753
 754   if (x < area.x())
 755     x = area.x();
 756   if (y < area.y())
 757     y = area.y();
 758   if (x + win.width() > area.x() + area.width())
 759     x = area.x() + area.width() - win.width();
 760   if (y + win.height() > area.y() + area.height())
 761     y = area.y() + area.height() - win.height();
 762
 763   win.setX(x);
 764   win.setY(y);
 765
 766   return True;
 767 }
 768
 769
 770 bool Workspace::cascadePlacement(Rect &win, const int offset) {
 771   Rect area;
 772
 773 #ifdef    XINERAMA
 774   if (screen->isXineramaActive() &&
 775       screen->getBlackbox()->doXineramaPlacement()) {
 776     area = screen->allAvailableAreas()[cascade_region];
 777   } else
 778 #endif // XINERAMA
 779     area = screen->availableArea();
 780
 781   if ((static_cast<signed>(cascade_x + win.width()) > area.right() + 1) ||
 782       (static_cast<signed>(cascade_y + win.height()) > area.bottom() + 1)) {
 783     cascade_x = cascade_y = 0;
 784 #ifdef    XINERAMA
 785     if (screen->isXineramaActive() &&
 786         screen->getBlackbox()->doXineramaPlacement()) {
 787       // go to the next xinerama region, and use its area
 788       if (++cascade_region >= screen->allAvailableAreas().size())
 789         cascade_region = 0;
 790       area = screen->allAvailableAreas()[cascade_region];
 791     }
 792 #endif // XINERAMA
 793   }
 794
 795   if (cascade_x == 0) {
 796     cascade_x = area.x() + offset;
 797     cascade_y = area.y() + offset;
 798   }
 799
 800   win.setPos(cascade_x, cascade_y);
 801
 802   cascade_x += offset;
 803   cascade_y += offset;
 804
 805   return True;
 806 }
 807
 808
 809 void Workspace::placeWindow(BlackboxWindow *win) {
 810   Rect new_win(0, 0, win->frameRect().width(), win->frameRect().height());
 811   bool placed = False;
 812
 813   switch (screen->getPlacementPolicy()) {
 814   case BScreen::RowSmartPlacement:
 815   case BScreen::ColSmartPlacement:
 816     placed = smartPlacement(new_win);
 817     break;
 818   case BScreen::UnderMousePlacement:
 819   case BScreen::ClickMousePlacement:
 820     placed = underMousePlacement(new_win);
 821   default:
 822     break; // handled below
 823   } // switch
 824
 825   if (placed == False)
 826     cascadePlacement(new_win, (win->getTitleHeight() +
 827                                screen->getBorderWidth() * 2));
 828
 829   if (new_win.right() > screen->availableArea().right())
 830     new_win.setX(screen->availableArea().left());
 831   if (new_win.bottom() > screen->availableArea().bottom())
 832     new_win.setY(screen->availableArea().top());
 833
 834   win->configure(new_win.x(), new_win.y(), new_win.width(), new_win.height());
 835 }