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 (! sticky)
  89     w->setWorkspace(id);
  90
  91   if (! w->isNormal()) {
  92     if (! sticky) {
  93       // just give it some number, else bad things happen as it is assumed to
  94       // not be on a workspace
  95       w->setWindowNumber(0);
  96     }
  97   } else {
  98     if (! sticky)
  99       w->setWindowNumber(windowList.size());
 100
 101     windowList.push_back(w);
 102
 103     clientmenu->insert(w->getTitle());
 104     clientmenu->update();
 105
 106     if (! sticky)
 107       screen->updateNetizenWindowAdd(w->getClientWindow(), id);
 108
 109     if (screen->doFocusNew() || (w->isTransient() && w->getTransientFor() &&
 110                                  w->getTransientFor()->isFocused())) {
 111       if (id != screen->getCurrentWorkspaceID()) {
 112         /*
 113            not on the focused workspace, so the window is not going to get focus
 114            but if the user wants new windows focused, then it should get focus
 115            when this workspace does become focused.
 116         */
 117         lastfocus = w;
 118       }
 119     }
 120   }
 121
 122   if (! w->isDesktop())
 123     raiseWindow(w);
 124   else
 125     lowerWindow(w);
 126 }
 127
 128
 129 void Workspace::removeWindow(BlackboxWindow *w, bool sticky) {
 130   assert(w != 0);
 131
 132   stackingList.remove(w);
 133
 134   // pass focus to the next appropriate window
 135   if ((w->isFocused() || w == lastfocus) &&
 136       ! screen->getBlackbox()->doShutdown()) {
 137     focusFallback(w);
 138   }
 139
 140   if (! w->isNormal()) return;
 141
 142   BlackboxWindowList::iterator it, end = windowList.end();
 143   int i;
 144   for (i = 0, it = windowList.begin(); it != end; ++it, ++i)
 145     if (*it == w)
 146       break;
 147   assert(it != end);
 148
 149   windowList.erase(it);
 150   clientmenu->remove(i);
 151   clientmenu->update();
 152
 153   if (! sticky) {
 154     screen->updateNetizenWindowDel(w->getClientWindow());
 155
 156     BlackboxWindowList::iterator it = windowList.begin();
 157     const BlackboxWindowList::iterator end = windowList.end();
 158     unsigned int i = 0;
 159     for (; it != end; ++it, ++i)
 160       (*it)->setWindowNumber(i);
 161   }
 162
 163   if (i == 0) {
 164     cascade_x = cascade_y = 0;
 165 #ifdef    XINERAMA
 166     cascade_region = 0;
 167 #endif // XINERAMA
 168   }
 169 }
 170
 171
 172 void Workspace::focusFallback(const BlackboxWindow *old_window) {
 173   BlackboxWindow *newfocus = 0;
 174
 175   if (id == screen->getCurrentWorkspaceID()) {
 176     // The window is on the visible workspace.
 177
 178     // if it's a transient, then try to focus its parent
 179     if (old_window && old_window->isTransient()) {
 180       newfocus = old_window->getTransientFor();
 181
 182       if (! newfocus ||
 183           newfocus->isIconic() ||                  // do not focus icons
 184           newfocus->getWorkspaceNumber() != id ||  // or other workspaces
 185           ! newfocus->setInputFocus())
 186         newfocus = 0;
 187     }
 188
 189     if (! newfocus) {
 190       BlackboxWindowList::iterator it = stackingList.begin(),
 191                                   end = stackingList.end();
 192       for (; it != end; ++it) {
 193         BlackboxWindow *tmp = *it;
 194         if (tmp && tmp->isNormal() && tmp->setInputFocus()) {
 195           // we found our new focus target
 196           newfocus = tmp;
 197           break;
 198         }
 199       }
 200     }
 201
 202     screen->getBlackbox()->setFocusedWindow(newfocus);
 203   } else {
 204     // The window is not on the visible workspace.
 205
 206     if (old_window && lastfocus == old_window) {
 207       // The window was the last-focus target, so we need to replace it.
 208       BlackboxWindow *win = (BlackboxWindow*) 0;
 209       if (! stackingList.empty())
 210         win = stackingList.front();
 211       setLastFocusedWindow(win);
 212     }
 213   }
 214 }
 215
 216
 217 void Workspace::setFocused(const BlackboxWindow *w, bool focused) {
 218   BlackboxWindowList::iterator it, end = windowList.end();
 219   int i;
 220   for (i = 0, it = windowList.begin(); it != end; ++it, ++i)
 221     if (*it == w)
 222       break;
 223   // if its == end, then a window thats not in the windowList
 224   // got focused, such as a !isNormal() window.
 225   if (it != end)
 226     clientmenu->setItemSelected(i, focused);
 227 }
 228
 229
 230 void Workspace::removeAll(void) {
 231   while (! windowList.empty())
 232     windowList.front()->iconify();
 233 }
 234
 235 void Workspace::showAll(void) {
 236   BlackboxWindowList::iterator it = stackingList.begin();
 237   const BlackboxWindowList::iterator end = stackingList.end();
 238   for (; it != end; ++it) {
 239     BlackboxWindow *bw = *it;
 240     // sticky windows arent unmapped on a workspace change so we don't have ot
 241     // map them, but sometimes on a restart, another app can unmap our sticky
 242     // windows, so we map on startup always
 243     if (! bw->isStuck() || screen->getBlackbox()->isStartup())
 244       bw->show();
 245   }
 246 }
 247
 248
 249 void Workspace::hideAll(void) {
 250   // withdraw in reverse order to minimize the number of Expose events
 251
 252   BlackboxWindowList lst(stackingList.rbegin(), stackingList.rend());
 253
 254   BlackboxWindowList::iterator it = lst.begin();
 255   const BlackboxWindowList::iterator end = lst.end();
 256   for (; it != end; ++it) {
 257     BlackboxWindow *bw = *it;
 258     // don't hide sticky windows, or they'll end up flickering on a workspace
 259     // change
 260     if (! bw->isStuck())
 261       bw->withdraw();
 262   }
 263 }
 264
 265
 266
 267 /*
 268  * returns the number of transients for win, plus the number of transients
 269  * associated with each transient of win
 270  */
 271 static unsigned int countTransients(const BlackboxWindow * const win) {
 272   BlackboxWindowList transients = win->getTransients();
 273   if (transients.empty()) return 0;
 274
 275   unsigned int ret = transients.size();
 276   BlackboxWindowList::const_iterator it = transients.begin(),
 277     end = transients.end();
 278   for (; it != end; ++it)
 279     ret += countTransients(*it);
 280
 281   return ret;
 282 }
 283
 284
 285 /*
 286  * puts the transients of win into the stack. windows are stacked above
 287  * the window before it in the stackvector being iterated, meaning
 288  * stack[0] is on bottom, stack[1] is above stack[0], stack[2] is above
 289  * stack[1], etc...
 290  */
 291 void Workspace::raiseTransients(const BlackboxWindow * const win,
 292                                 StackVector::iterator &stack) {
 293   if (win->getTransients().empty()) return; // nothing to do
 294
 295   // put win's transients in the stack
 296   BlackboxWindowList::const_iterator it, end = win->getTransients().end();
 297   for (it = win->getTransients().begin(); it != end; ++it) {
 298     BlackboxWindow *w = *it;
 299     *stack++ = w->getFrameWindow();
 300     screen->updateNetizenWindowRaise(w->getClientWindow());
 301
 302     if (! w->isIconic()) {
 303       Workspace *wkspc = screen->getWorkspace(w->getWorkspaceNumber());
 304       wkspc->stackingList.remove(w);
 305       wkspc->stackingList.push_front(w);
 306     }
 307   }
 308
 309   // put transients of win's transients in the stack
 310   for (it = win->getTransients().begin(); it != end; ++it)
 311     raiseTransients(*it, stack);
 312 }
 313
 314
 315 void Workspace::lowerTransients(const BlackboxWindow * const win,
 316                                 StackVector::iterator &stack) {
 317   if (win->getTransients().empty()) return; // nothing to do
 318
 319   // put transients of win's transients in the stack
 320   BlackboxWindowList::const_reverse_iterator it,
 321     end = win->getTransients().rend();
 322   for (it = win->getTransients().rbegin(); it != end; ++it)
 323     lowerTransients(*it, stack);
 324
 325   // put win's transients in the stack
 326   for (it = win->getTransients().rbegin(); it != end; ++it) {
 327     BlackboxWindow *w = *it;
 328     *stack++ = w->getFrameWindow();
 329     screen->updateNetizenWindowLower(w->getClientWindow());
 330
 331     if (! w->isIconic()) {
 332       Workspace *wkspc = screen->getWorkspace(w->getWorkspaceNumber());
 333       wkspc->stackingList.remove(w);
 334       wkspc->stackingList.push_back(w);
 335     }
 336   }
 337 }
 338
 339
 340 void Workspace::raiseWindow(BlackboxWindow *w) {
 341   BlackboxWindow *win = w;
 342
 343   if (win->isDesktop()) return;
 344
 345   // walk up the transient_for's to the window that is not a transient
 346   while (win->isTransient() && win->getTransientFor())
 347     win = win->getTransientFor();
 348
 349   // get the total window count (win and all transients)
 350   unsigned int i = 1 + countTransients(win);
 351
 352   // stack the window with all transients above
 353   StackVector stack_vector(i);
 354   StackVector::iterator stack = stack_vector.begin();
 355
 356   *(stack++) = win->getFrameWindow();
 357   screen->updateNetizenWindowRaise(win->getClientWindow());
 358   if (! (win->isIconic() || win->isDesktop())) {
 359     Workspace *wkspc = screen->getWorkspace(win->getWorkspaceNumber());
 360     wkspc->stackingList.remove(win);
 361     wkspc->stackingList.push_front(win);
 362   }
 363
 364   raiseTransients(win, stack);
 365
 366   screen->raiseWindows(&stack_vector[0], stack_vector.size());
 367 }
 368
 369
 370 void Workspace::lowerWindow(BlackboxWindow *w) {
 371   BlackboxWindow *win = w;
 372
 373   // walk up the transient_for's to the window that is not a transient
 374   while (win->isTransient() && win->getTransientFor())
 375     win = win->getTransientFor();
 376
 377   // get the total window count (win and all transients)
 378   unsigned int i = 1 + countTransients(win);
 379
 380   // stack the window with all transients above
 381   StackVector stack_vector(i);
 382   StackVector::iterator stack = stack_vector.begin();
 383
 384   lowerTransients(win, stack);
 385
 386   *(stack++) = win->getFrameWindow();
 387   screen->updateNetizenWindowLower(win->getClientWindow());
 388   if (! (win->isIconic() || win->isDesktop())) {
 389     Workspace *wkspc = screen->getWorkspace(win->getWorkspaceNumber());
 390     wkspc->stackingList.remove(win);
 391     wkspc->stackingList.push_back(win);
 392   }
 393
 394   screen->lowerWindows(&stack_vector[0], stack_vector.size());
 395 }
 396
 397
 398 void Workspace::reconfigure(void) {
 399   clientmenu->reconfigure();
 400   std::for_each(windowList.begin(), windowList.end(),
 401                 std::mem_fun(&BlackboxWindow::reconfigure));
 402 }
 403
 404
 405 BlackboxWindow *Workspace::getWindow(unsigned int index) {
 406   if (index < windowList.size()) {
 407     BlackboxWindowList::iterator it = windowList.begin();
 408     while (index-- > 0) // increment to index
 409       ++it;
 410     return *it;
 411   }
 412
 413   return 0;
 414 }
 415
 416
 417 BlackboxWindow*
 418 Workspace::getNextWindowInList(BlackboxWindow *w) {
 419   BlackboxWindowList::iterator it = std::find(windowList.begin(),
 420                                               windowList.end(),
 421                                               w);
 422   assert(it != windowList.end());   // window must be in list
 423   ++it;                             // next window
 424   if (it == windowList.end())
 425     return windowList.front();      // if we walked off the end, wrap around
 426
 427   return *it;
 428 }
 429
 430
 431 BlackboxWindow* Workspace::getPrevWindowInList(BlackboxWindow *w) {
 432   BlackboxWindowList::iterator it = std::find(windowList.begin(),
 433                                               windowList.end(),
 434                                               w);
 435   assert(it != windowList.end()); // window must be in list
 436   if (it == windowList.begin())
 437     return windowList.back();     // if we walked of the front, wrap around
 438
 439   return *(--it);
 440 }
 441
 442
 443 BlackboxWindow* Workspace::getTopWindowOnStack(void) const {
 444   assert(! stackingList.empty());
 445   return stackingList.front();
 446 }
 447
 448
 449 void Workspace::sendWindowList(Netizen &n) {
 450   BlackboxWindowList::iterator it = windowList.begin(),
 451     end = windowList.end();
 452   for(; it != end; ++it)
 453     n.sendWindowAdd((*it)->getClientWindow(), getID());
 454 }
 455
 456
 457 unsigned int Workspace::getCount(void) const {
 458   return windowList.size();
 459 }
 460
 461
 462 void Workspace::appendStackOrder(BlackboxWindowList &stack_order) const {
 463   BlackboxWindowList::const_reverse_iterator it = stackingList.rbegin();
 464   const BlackboxWindowList::const_reverse_iterator end = stackingList.rend();
 465   for (; it != end; ++it)
 466     if (! (*it)->isDesktop())
 467       stack_order.push_back(*it);
 468 }
 469
 470
 471 bool Workspace::isCurrent(void) const {
 472   return (id == screen->getCurrentWorkspaceID());
 473 }
 474
 475
 476 bool Workspace::isLastWindow(const BlackboxWindow* const w) const {
 477   return (w == windowList.back());
 478 }
 479
 480
 481 void Workspace::setCurrent(void) {
 482   screen->changeWorkspaceID(id);
 483 }
 484
 485
 486 void Workspace::readName(void) {
 487   XAtom::StringVect namesList;
 488   unsigned long numnames = id + 1;
 489
 490   // attempt to get from the _NET_WM_DESKTOP_NAMES property
 491   if (xatom->getValue(screen->getRootWindow(), XAtom::net_desktop_names,
 492                       XAtom::utf8, numnames, namesList) &&
 493       namesList.size() > id) {
 494     name = namesList[id];
 495
 496     clientmenu->setLabel(name);
 497     clientmenu->update();
 498   } else {
 499     /*
 500        Use a default name. This doesn't actually change the class. That will
 501        happen after the setName changes the root property, and that change
 502        makes its way back to this function.
 503     */
 504     string tmp =i18n(WorkspaceSet, WorkspaceDefaultNameFormat,
 505                      "Workspace %d");
 506     assert(tmp.length() < 32);
 507     char default_name[32];
 508     sprintf(default_name, tmp.c_str(), id + 1);
 509
 510     setName(default_name);  // save this into the _NET_WM_DESKTOP_NAMES property
 511   }
 512 }
 513
 514
 515 void Workspace::setName(const string& new_name) {
 516   // set the _NET_WM_DESKTOP_NAMES property with the new name
 517   XAtom::StringVect namesList;
 518   unsigned long numnames = (unsigned) -1;
 519   if (xatom->getValue(screen->getRootWindow(), XAtom::net_desktop_names,
 520                       XAtom::utf8, numnames, namesList) &&
 521       namesList.size() > id)
 522     namesList[id] = new_name;
 523   else
 524     namesList.push_back(new_name);
 525
 526   xatom->setValue(screen->getRootWindow(), XAtom::net_desktop_names,
 527                   XAtom::utf8, namesList);
 528 }
 529
 530
 531 /*
 532  * Calculate free space available for window placement.
 533  */
 534 Workspace::rectList Workspace::calcSpace(const Rect &win,
 535                                          const rectList &spaces) const {
 536   Rect isect, extra;
 537   rectList result;
 538   rectList::const_iterator siter, end = spaces.end();
 539   for (siter = spaces.begin(); siter != end; ++siter) {
 540     const Rect &curr = *siter;
 541
 542     if(! win.intersects(curr)) {
 543       result.push_back(curr);
 544       continue;
 545     }
 546
 547     /* Use an intersection of win and curr to determine the space around
 548      * curr that we can use.
 549      *
 550      * NOTE: the spaces calculated can overlap.
 551      */
 552     isect = curr & win;
 553
 554     // left
 555     extra.setCoords(curr.left(), curr.top(),
 556                     isect.left() - screen->getSnapOffset(), curr.bottom());
 557     if (extra.valid()) result.push_back(extra);
 558
 559     // top
 560     extra.setCoords(curr.left(), curr.top(),
 561                     curr.right(), isect.top() - screen->getSnapOffset());
 562     if (extra.valid()) result.push_back(extra);
 563
 564     // right
 565     extra.setCoords(isect.right() + screen->getSnapOffset(), curr.top(),
 566                     curr.right(), curr.bottom());
 567     if (extra.valid()) result.push_back(extra);
 568
 569     // bottom
 570     extra.setCoords(curr.left(), isect.bottom() + screen->getSnapOffset(),
 571                     curr.right(), curr.bottom());
 572     if (extra.valid()) result.push_back(extra);
 573   }
 574   return result;
 575 }
 576
 577
 578 static bool rowRLBT(const Rect &first, const Rect &second) {
 579   if (first.bottom() == second.bottom())
 580     return first.right() > second.right();
 581   return first.bottom() > second.bottom();
 582 }
 583
 584 static bool rowRLTB(const Rect &first, const Rect &second) {
 585   if (first.y() == second.y())
 586     return first.right() > second.right();
 587   return first.y() < second.y();
 588 }
 589
 590 static bool rowLRBT(const Rect &first, const Rect &second) {
 591   if (first.bottom() == second.bottom())
 592     return first.x() < second.x();
 593   return first.bottom() > second.bottom();
 594 }
 595
 596 static bool rowLRTB(const Rect &first, const Rect &second) {
 597   if (first.y() == second.y())
 598     return first.x() < second.x();
 599   return first.y() < second.y();
 600 }
 601
 602 static bool colLRTB(const Rect &first, const Rect &second) {
 603   if (first.x() == second.x())
 604     return first.y() < second.y();
 605   return first.x() < second.x();
 606 }
 607
 608 static bool colLRBT(const Rect &first, const Rect &second) {
 609   if (first.x() == second.x())
 610     return first.bottom() > second.bottom();
 611   return first.x() < second.x();
 612 }
 613
 614 static bool colRLTB(const Rect &first, const Rect &second) {
 615   if (first.right() == second.right())
 616     return first.y() < second.y();
 617   return first.right() > second.right();
 618 }
 619
 620 static bool colRLBT(const Rect &first, const Rect &second) {
 621   if (first.right() == second.right())
 622     return first.bottom() > second.bottom();
 623   return first.right() > second.right();
 624 }
 625
 626
 627 bool Workspace::smartPlacement(Rect& win) {
 628   rectList spaces;
 629
 630   //initially the entire screen is free
 631 #ifdef    XINERAMA
 632   if (screen->isXineramaActive() &&
 633       screen->getBlackbox()->doXineramaPlacement()) {
 634     RectList availableAreas = screen->allAvailableAreas();
 635     RectList::iterator it, end = availableAreas.end();
 636
 637     for (it = availableAreas.begin(); it != end; ++it)
 638       spaces.push_back(*it);
 639   } else
 640 #endif // XINERAMA
 641     spaces.push_back(screen->availableArea());
 642
 643   //Find Free Spaces
 644   BlackboxWindowList::const_iterator wit = windowList.begin(),
 645     end = windowList.end();
 646   Rect tmp;
 647   for (; wit != end; ++wit) {
 648     const BlackboxWindow* const curr = *wit;
 649
 650     // watch for shaded windows and full-maxed windows
 651     if (curr->isShaded()) {
 652       if (screen->getPlaceIgnoreShaded()) continue;
 653     } else if (curr->isMaximizedFull()) {
 654       if (screen->getPlaceIgnoreMaximized()) continue;
 655     }
 656
 657     tmp.setRect(curr->frameRect().x(), curr->frameRect().y(),
 658                 curr->frameRect().width() + screen->getBorderWidth(),
 659                 curr->frameRect().height() + screen->getBorderWidth());
 660
 661     spaces = calcSpace(tmp, spaces);
 662   }
 663
 664   if (screen->getPlacementPolicy() == BScreen::RowSmartPlacement) {
 665     if(screen->getRowPlacementDirection() == BScreen::LeftRight) {
 666       if(screen->getColPlacementDirection() == BScreen::TopBottom)
 667         std::sort(spaces.begin(), spaces.end(), rowLRTB);
 668       else
 669         std::sort(spaces.begin(), spaces.end(), rowLRBT);
 670     } else {
 671       if(screen->getColPlacementDirection() == BScreen::TopBottom)
 672         std::sort(spaces.begin(), spaces.end(), rowRLTB);
 673       else
 674         std::sort(spaces.begin(), spaces.end(), rowRLBT);
 675     }
 676   } else {
 677     if(screen->getColPlacementDirection() == BScreen::TopBottom) {
 678       if(screen->getRowPlacementDirection() == BScreen::LeftRight)
 679         std::sort(spaces.begin(), spaces.end(), colLRTB);
 680       else
 681         std::sort(spaces.begin(), spaces.end(), colRLTB);
 682     } else {
 683       if(screen->getRowPlacementDirection() == BScreen::LeftRight)
 684         std::sort(spaces.begin(), spaces.end(), colLRBT);
 685       else
 686         std::sort(spaces.begin(), spaces.end(), colRLBT);
 687     }
 688   }
 689
 690   rectList::const_iterator sit = spaces.begin(), spaces_end = spaces.end();
 691   for(; sit != spaces_end; ++sit) {
 692     if (sit->width() >= win.width() && sit->height() >= win.height())
 693       break;
 694   }
 695
 696   if (sit == spaces_end)
 697     return False;
 698
 699   //set new position based on the empty space found
 700   const Rect& where = *sit;
 701   win.setX(where.x());
 702   win.setY(where.y());
 703
 704   // adjust the location() based on left/right and top/bottom placement
 705   if (screen->getPlacementPolicy() == BScreen::RowSmartPlacement) {
 706     if (screen->getRowPlacementDirection() == BScreen::RightLeft)
 707       win.setX(where.right() - win.width());
 708     if (screen->getColPlacementDirection() == BScreen::BottomTop)
 709       win.setY(where.bottom() - win.height());
 710   } else {
 711     if (screen->getColPlacementDirection() == BScreen::BottomTop)
 712       win.setY(win.y() + where.height() - win.height());
 713     if (screen->getRowPlacementDirection() == BScreen::RightLeft)
 714       win.setX(win.x() + where.width() - win.width());
 715   }
 716   return True;
 717 }
 718
 719
 720 bool Workspace::underMousePlacement(Rect &win) {
 721   int x, y, rx, ry;
 722   Window c, r;
 723   unsigned int m;
 724   XQueryPointer(screen->getBlackbox()->getXDisplay(), screen->getRootWindow(),
 725                 &r, &c, &rx, &ry, &x, &y, &m);
 726
 727   Rect area;
 728 #ifdef    XINERAMA
 729   if (screen->isXineramaActive() &&
 730       screen->getBlackbox()->doXineramaPlacement()) {
 731     RectList availableAreas = screen->allAvailableAreas();
 732     RectList::iterator it, end = availableAreas.end();
 733
 734     for (it = availableAreas.begin(); it != end; ++it)
 735       if (it->contains(rx, ry)) break;
 736     assert(it != end);  // the mouse isn't inside an area?
 737     area = *it;
 738   } else
 739 #endif // XINERAMA
 740     area = screen->availableArea();
 741
 742   x = rx - win.width() / 2;
 743   y = ry - win.height() / 2;
 744
 745   if (x < area.x())
 746     x = area.x();
 747   if (y < area.y())
 748     y = area.y();
 749   if (x + win.width() > area.x() + area.width())
 750     x = area.x() + area.width() - win.width();
 751   if (y + win.height() > area.y() + area.height())
 752     y = area.y() + area.height() - win.height();
 753
 754   win.setX(x);
 755   win.setY(y);
 756
 757   return True;
 758 }
 759
 760
 761 bool Workspace::cascadePlacement(Rect &win, const int offset) {
 762   Rect area;
 763
 764 #ifdef    XINERAMA
 765   if (screen->isXineramaActive() &&
 766       screen->getBlackbox()->doXineramaPlacement()) {
 767     area = screen->allAvailableAreas()[cascade_region];
 768   } else
 769 #endif // XINERAMA
 770     area = screen->availableArea();
 771
 772   if ((static_cast<signed>(cascade_x + win.width()) > area.right() + 1) ||
 773       (static_cast<signed>(cascade_y + win.height()) > area.bottom() + 1)) {
 774     cascade_x = cascade_y = 0;
 775 #ifdef    XINERAMA
 776     if (screen->isXineramaActive() &&
 777         screen->getBlackbox()->doXineramaPlacement()) {
 778       // go to the next xinerama region, and use its area
 779       if (++cascade_region >= screen->allAvailableAreas().size())
 780         cascade_region = 0;
 781       area = screen->allAvailableAreas()[cascade_region];
 782     }
 783 #endif // XINERAMA
 784   }
 785
 786   if (cascade_x == 0) {
 787     cascade_x = area.x() + offset;
 788     cascade_y = area.y() + offset;
 789   }
 790
 791   win.setPos(cascade_x, cascade_y);
 792
 793   cascade_x += offset;
 794   cascade_y += offset;
 795
 796   return True;
 797 }
 798
 799
 800 void Workspace::placeWindow(BlackboxWindow *win) {
 801   Rect new_win(0, 0, win->frameRect().width(), win->frameRect().height());
 802   bool placed = False;
 803
 804   switch (screen->getPlacementPolicy()) {
 805   case BScreen::RowSmartPlacement:
 806   case BScreen::ColSmartPlacement:
 807     placed = smartPlacement(new_win);
 808     break;
 809   case BScreen::UnderMousePlacement:
 810   case BScreen::ClickMousePlacement:
 811     placed = underMousePlacement(new_win);
 812   default:
 813     break; // handled below
 814   } // switch
 815
 816   if (placed == False)
 817     cascadePlacement(new_win, (win->getTitleHeight() +
 818                                screen->getBorderWidth() * 2));
 819
 820   if (new_win.right() > screen->availableArea().right())
 821     new_win.setX(screen->availableArea().left());
 822   if (new_win.bottom() > screen->availableArea().bottom())
 823     new_win.setY(screen->availableArea().top());
 824
 825   win->configure(new_win.x(), new_win.y(), new_win.width(), new_win.height());
 826 }