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     // don't add desktop wnidows, or sticky windows more than once
 467     if (! ( (*it)->isDesktop() ||
 468             ((*it)->isStuck() && id != screen->getCurrentWorkspaceID())))
 469       stack_order.push_back(*it);
 470 }
 471
 472
 473 bool Workspace::isCurrent(void) const {
 474   return (id == screen->getCurrentWorkspaceID());
 475 }
 476
 477
 478 bool Workspace::isLastWindow(const BlackboxWindow* const w) const {
 479   return (w == windowList.back());
 480 }
 481
 482
 483 void Workspace::setCurrent(void) {
 484   screen->changeWorkspaceID(id);
 485 }
 486
 487
 488 void Workspace::readName(void) {
 489   XAtom::StringVect namesList;
 490   unsigned long numnames = id + 1;
 491
 492   // attempt to get from the _NET_WM_DESKTOP_NAMES property
 493   if (xatom->getValue(screen->getRootWindow(), XAtom::net_desktop_names,
 494                       XAtom::utf8, numnames, namesList) &&
 495       namesList.size() > id) {
 496     name = namesList[id];
 497
 498     clientmenu->setLabel(name);
 499     clientmenu->update();
 500   } else {
 501     /*
 502        Use a default name. This doesn't actually change the class. That will
 503        happen after the setName changes the root property, and that change
 504        makes its way back to this function.
 505     */
 506     string tmp =i18n(WorkspaceSet, WorkspaceDefaultNameFormat,
 507                      "Workspace %d");
 508     assert(tmp.length() < 32);
 509     char default_name[32];
 510     sprintf(default_name, tmp.c_str(), id + 1);
 511
 512     setName(default_name);  // save this into the _NET_WM_DESKTOP_NAMES property
 513   }
 514 }
 515
 516
 517 void Workspace::setName(const string& new_name) {
 518   // set the _NET_WM_DESKTOP_NAMES property with the new name
 519   XAtom::StringVect namesList;
 520   unsigned long numnames = (unsigned) -1;
 521   if (xatom->getValue(screen->getRootWindow(), XAtom::net_desktop_names,
 522                       XAtom::utf8, numnames, namesList) &&
 523       namesList.size() > id)
 524     namesList[id] = new_name;
 525   else
 526     namesList.push_back(new_name);
 527
 528   xatom->setValue(screen->getRootWindow(), XAtom::net_desktop_names,
 529                   XAtom::utf8, namesList);
 530 }
 531
 532
 533 /*
 534  * Calculate free space available for window placement.
 535  */
 536 Workspace::rectList Workspace::calcSpace(const Rect &win,
 537                                          const rectList &spaces) const {
 538   Rect isect, extra;
 539   rectList result;
 540   rectList::const_iterator siter, end = spaces.end();
 541   for (siter = spaces.begin(); siter != end; ++siter) {
 542     const Rect &curr = *siter;
 543
 544     if(! win.intersects(curr)) {
 545       result.push_back(curr);
 546       continue;
 547     }
 548
 549     /* Use an intersection of win and curr to determine the space around
 550      * curr that we can use.
 551      *
 552      * NOTE: the spaces calculated can overlap.
 553      */
 554     isect = curr & win;
 555
 556     // left
 557     extra.setCoords(curr.left(), curr.top(),
 558                     isect.left() - screen->getSnapOffset(), curr.bottom());
 559     if (extra.valid()) result.push_back(extra);
 560
 561     // top
 562     extra.setCoords(curr.left(), curr.top(),
 563                     curr.right(), isect.top() - screen->getSnapOffset());
 564     if (extra.valid()) result.push_back(extra);
 565
 566     // right
 567     extra.setCoords(isect.right() + screen->getSnapOffset(), curr.top(),
 568                     curr.right(), curr.bottom());
 569     if (extra.valid()) result.push_back(extra);
 570
 571     // bottom
 572     extra.setCoords(curr.left(), isect.bottom() + screen->getSnapOffset(),
 573                     curr.right(), curr.bottom());
 574     if (extra.valid()) result.push_back(extra);
 575   }
 576   return result;
 577 }
 578
 579
 580 static bool rowRLBT(const Rect &first, const Rect &second) {
 581   if (first.bottom() == second.bottom())
 582     return first.right() > second.right();
 583   return first.bottom() > second.bottom();
 584 }
 585
 586 static bool rowRLTB(const Rect &first, const Rect &second) {
 587   if (first.y() == second.y())
 588     return first.right() > second.right();
 589   return first.y() < second.y();
 590 }
 591
 592 static bool rowLRBT(const Rect &first, const Rect &second) {
 593   if (first.bottom() == second.bottom())
 594     return first.x() < second.x();
 595   return first.bottom() > second.bottom();
 596 }
 597
 598 static bool rowLRTB(const Rect &first, const Rect &second) {
 599   if (first.y() == second.y())
 600     return first.x() < second.x();
 601   return first.y() < second.y();
 602 }
 603
 604 static bool colLRTB(const Rect &first, const Rect &second) {
 605   if (first.x() == second.x())
 606     return first.y() < second.y();
 607   return first.x() < second.x();
 608 }
 609
 610 static bool colLRBT(const Rect &first, const Rect &second) {
 611   if (first.x() == second.x())
 612     return first.bottom() > second.bottom();
 613   return first.x() < second.x();
 614 }
 615
 616 static bool colRLTB(const Rect &first, const Rect &second) {
 617   if (first.right() == second.right())
 618     return first.y() < second.y();
 619   return first.right() > second.right();
 620 }
 621
 622 static bool colRLBT(const Rect &first, const Rect &second) {
 623   if (first.right() == second.right())
 624     return first.bottom() > second.bottom();
 625   return first.right() > second.right();
 626 }
 627
 628
 629 bool Workspace::smartPlacement(Rect& win) {
 630   rectList spaces;
 631
 632   //initially the entire screen is free
 633 #ifdef    XINERAMA
 634   if (screen->isXineramaActive() &&
 635       screen->getBlackbox()->doXineramaPlacement()) {
 636     RectList availableAreas = screen->allAvailableAreas();
 637     RectList::iterator it, end = availableAreas.end();
 638
 639     for (it = availableAreas.begin(); it != end; ++it) {
 640       Rect r = *it;
 641       r.setRect(r.x() + screen->getSnapOffset(),
 642                 r.y() + screen->getSnapOffset(),
 643                 r.width() - screen->getSnapOffset(),
 644                 r.height() - screen->getSnapOffset());
 645       spaces.push_back(*it);
 646     }
 647   } else
 648 #endif // XINERAMA
 649   {
 650     Rect r = screen->availableArea();
 651     r.setRect(r.x() + screen->getSnapOffset(),
 652               r.y() + screen->getSnapOffset(),
 653               r.width() - screen->getSnapOffset(),
 654               r.height() - screen->getSnapOffset());
 655     spaces.push_back(r);
 656   }
 657
 658   //Find Free Spaces
 659   BlackboxWindowList::const_iterator wit = windowList.begin(),
 660     end = windowList.end();
 661   Rect tmp;
 662   for (; wit != end; ++wit) {
 663     const BlackboxWindow* const curr = *wit;
 664
 665     // watch for shaded windows and full-maxed windows
 666     if (curr->isShaded()) {
 667       if (screen->getPlaceIgnoreShaded()) continue;
 668     } else if (curr->isMaximizedFull()) {
 669       if (screen->getPlaceIgnoreMaximized()) continue;
 670     }
 671
 672     tmp.setRect(curr->frameRect().x(), curr->frameRect().y(),
 673                 curr->frameRect().width() + screen->getBorderWidth(),
 674                 curr->frameRect().height() + screen->getBorderWidth());
 675
 676     spaces = calcSpace(tmp, spaces);
 677   }
 678
 679   if (screen->getPlacementPolicy() == BScreen::RowSmartPlacement) {
 680     if(screen->getRowPlacementDirection() == BScreen::LeftRight) {
 681       if(screen->getColPlacementDirection() == BScreen::TopBottom)
 682         std::sort(spaces.begin(), spaces.end(), rowLRTB);
 683       else
 684         std::sort(spaces.begin(), spaces.end(), rowLRBT);
 685     } else {
 686       if(screen->getColPlacementDirection() == BScreen::TopBottom)
 687         std::sort(spaces.begin(), spaces.end(), rowRLTB);
 688       else
 689         std::sort(spaces.begin(), spaces.end(), rowRLBT);
 690     }
 691   } else {
 692     if(screen->getColPlacementDirection() == BScreen::TopBottom) {
 693       if(screen->getRowPlacementDirection() == BScreen::LeftRight)
 694         std::sort(spaces.begin(), spaces.end(), colLRTB);
 695       else
 696         std::sort(spaces.begin(), spaces.end(), colRLTB);
 697     } else {
 698       if(screen->getRowPlacementDirection() == BScreen::LeftRight)
 699         std::sort(spaces.begin(), spaces.end(), colLRBT);
 700       else
 701         std::sort(spaces.begin(), spaces.end(), colRLBT);
 702     }
 703   }
 704
 705   rectList::const_iterator sit = spaces.begin(), spaces_end = spaces.end();
 706   for(; sit != spaces_end; ++sit) {
 707     if (sit->width() >= win.width() && sit->height() >= win.height())
 708       break;
 709   }
 710
 711   if (sit == spaces_end)
 712     return False;
 713
 714   //set new position based on the empty space found
 715   const Rect& where = *sit;
 716   win.setX(where.x());
 717   win.setY(where.y());
 718
 719   // adjust the location() based on left/right and top/bottom placement
 720   if (screen->getPlacementPolicy() == BScreen::RowSmartPlacement) {
 721     if (screen->getRowPlacementDirection() == BScreen::RightLeft)
 722       win.setX(where.right() - win.width());
 723     if (screen->getColPlacementDirection() == BScreen::BottomTop)
 724       win.setY(where.bottom() - win.height());
 725   } else {
 726     if (screen->getColPlacementDirection() == BScreen::BottomTop)
 727       win.setY(win.y() + where.height() - win.height());
 728     if (screen->getRowPlacementDirection() == BScreen::RightLeft)
 729       win.setX(win.x() + where.width() - win.width());
 730   }
 731   return True;
 732 }
 733
 734
 735 bool Workspace::underMousePlacement(Rect &win) {
 736   int x, y, rx, ry;
 737   Window c, r;
 738   unsigned int m;
 739   XQueryPointer(screen->getBlackbox()->getXDisplay(), screen->getRootWindow(),
 740                 &r, &c, &rx, &ry, &x, &y, &m);
 741
 742   Rect area;
 743 #ifdef    XINERAMA
 744   if (screen->isXineramaActive() &&
 745       screen->getBlackbox()->doXineramaPlacement()) {
 746     RectList availableAreas = screen->allAvailableAreas();
 747     RectList::iterator it, end = availableAreas.end();
 748
 749     for (it = availableAreas.begin(); it != end; ++it)
 750       if (it->contains(rx, ry)) break;
 751     assert(it != end);  // the mouse isn't inside an area?
 752     area = *it;
 753   } else
 754 #endif // XINERAMA
 755     area = screen->availableArea();
 756
 757   x = rx - win.width() / 2;
 758   y = ry - win.height() / 2;
 759
 760   if (x < area.x())
 761     x = area.x();
 762   if (y < area.y())
 763     y = area.y();
 764   if (x + win.width() > area.x() + area.width())
 765     x = area.x() + area.width() - win.width();
 766   if (y + win.height() > area.y() + area.height())
 767     y = area.y() + area.height() - win.height();
 768
 769   win.setX(x);
 770   win.setY(y);
 771
 772   return True;
 773 }
 774
 775
 776 bool Workspace::cascadePlacement(Rect &win, const int offset) {
 777   Rect area;
 778
 779 #ifdef    XINERAMA
 780   if (screen->isXineramaActive() &&
 781       screen->getBlackbox()->doXineramaPlacement()) {
 782     area = screen->allAvailableAreas()[cascade_region];
 783   } else
 784 #endif // XINERAMA
 785     area = screen->availableArea();
 786
 787   if ((static_cast<signed>(cascade_x + win.width()) > area.right() + 1) ||
 788       (static_cast<signed>(cascade_y + win.height()) > area.bottom() + 1)) {
 789     cascade_x = cascade_y = 0;
 790 #ifdef    XINERAMA
 791     if (screen->isXineramaActive() &&
 792         screen->getBlackbox()->doXineramaPlacement()) {
 793       // go to the next xinerama region, and use its area
 794       if (++cascade_region >= screen->allAvailableAreas().size())
 795         cascade_region = 0;
 796       area = screen->allAvailableAreas()[cascade_region];
 797     }
 798 #endif // XINERAMA
 799   }
 800
 801   if (cascade_x == 0) {
 802     cascade_x = area.x() + offset;
 803     cascade_y = area.y() + offset;
 804   }
 805
 806   win.setPos(cascade_x, cascade_y);
 807
 808   cascade_x += offset;
 809   cascade_y += offset;
 810
 811   return True;
 812 }
 813
 814
 815 void Workspace::placeWindow(BlackboxWindow *win) {
 816   Rect new_win(0, 0, win->frameRect().width(), win->frameRect().height());
 817   bool placed = False;
 818
 819   switch (screen->getPlacementPolicy()) {
 820   case BScreen::RowSmartPlacement:
 821   case BScreen::ColSmartPlacement:
 822     placed = smartPlacement(new_win);
 823     break;
 824   case BScreen::UnderMousePlacement:
 825   case BScreen::ClickMousePlacement:
 826     placed = underMousePlacement(new_win);
 827   default:
 828     break; // handled below
 829   } // switch
 830
 831   if (placed == False)
 832     cascadePlacement(new_win, (win->getTitleHeight() +
 833                                screen->getBorderWidth() * 2));
 834
 835   if (new_win.right() > screen->availableArea().right())
 836     new_win.setX(screen->availableArea().left());
 837   if (new_win.bottom() > screen->availableArea().bottom())
 838     new_win.setY(screen->availableArea().top());
 839
 840   win->configure(new_win.x(), new_win.y(), new_win.width(), new_win.height());
 841 }