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

   1 // -*- mode: C++; indent-tabs-mode: nil; c-basic-offset: 2; -*-
   2
   3 #ifdef    HAVE_CONFIG_H
   4 #  include "../config.h"
   5 #endif // HAVE_CONFIG_H
   6
   7 extern "C" {
   8 #include <X11/Xlib.h>
   9 #include <X11/Xatom.h>
  10
  11 #ifdef    HAVE_STDIO_H
  12 #  include <stdio.h>
  13 #endif // HAVE_STDIO_H
  14
  15 #ifdef HAVE_STRING_H
  16 #  include <string.h>
  17 #endif // HAVE_STRING_H
  18 }
  19
  20 #include <assert.h>
  21
  22 #include <functional>
  23 #include <string>
  24
  25 using std::string;
  26
  27 #include "blackbox.hh"
  28 #include "otk/font.hh"
  29 #include "otk/display.hh"
  30 #include "screen.hh"
  31 #include "util.hh"
  32 #include "window.hh"
  33 #include "workspace.hh"
  34 #include "xatom.hh"
  35
  36 namespace ob {
  37
  38 Workspace::Workspace(BScreen *scrn, unsigned int i) {
  39   screen = scrn;
  40   xatom = screen->getBlackbox()->getXAtom();
  41
  42   cascade_x = cascade_y = 0;
  43 #ifdef    XINERAMA
  44   cascade_region = 0;
  45 #endif // XINERAMA
  46
  47   id = i;
  48
  49   lastfocus = (BlackboxWindow *) 0;
  50
  51   readName();
  52 }
  53
  54
  55 void Workspace::addWindow(BlackboxWindow *w, bool place, bool sticky) {
  56   assert(w != 0);
  57
  58   if (place) placeWindow(w);
  59
  60   stackingList.push_front(w);
  61
  62   if (! sticky)
  63     w->setWorkspace(id);
  64
  65   if (! w->isNormal()) {
  66     if (! sticky) {
  67       // just give it some number, else bad things happen as it is assumed to
  68       // not be on a workspace
  69       w->setWindowNumber(0);
  70     }
  71   } else {
  72     if (! sticky)
  73       w->setWindowNumber(windowList.size());
  74
  75     windowList.push_back(w);
  76
  77     if (screen->doFocusNew() || (w->isTransient() && w->getTransientFor() &&
  78                                  w->getTransientFor()->isFocused())) {
  79       if (id != screen->getCurrentWorkspaceID()) {
  80         /*
  81            not on the focused workspace, so the window is not going to get focus
  82            but if the user wants new windows focused, then it should get focus
  83            when this workspace does become focused.
  84         */
  85         lastfocus = w;
  86       }
  87     }
  88   }
  89
  90   if (! w->isDesktop())
  91     raiseWindow(w);
  92   else
  93     lowerWindow(w);
  94 }
  95
  96
  97 void Workspace::removeWindow(BlackboxWindow *w, bool sticky) {
  98   assert(w != 0);
  99
 100   stackingList.remove(w);
 101
 102   // pass focus to the next appropriate window
 103   if ((w->isFocused() || w == lastfocus) &&
 104       screen->getBlackbox()->state() != Openbox::State_Exiting) {
 105     focusFallback(w);
 106   }
 107
 108   if (! w->isNormal()) return;
 109
 110   BlackboxWindowList::iterator it, end = windowList.end();
 111   int i;
 112   for (i = 0, it = windowList.begin(); it != end; ++it, ++i)
 113     if (*it == w)
 114       break;
 115   assert(it != end);
 116
 117   windowList.erase(it);
 118   if (! sticky) {
 119     BlackboxWindowList::iterator it = windowList.begin();
 120     const BlackboxWindowList::iterator end = windowList.end();
 121     unsigned int i = 0;
 122     for (; it != end; ++it, ++i)
 123       (*it)->setWindowNumber(i);
 124   }
 125
 126   if (i == 0) {
 127     cascade_x = cascade_y = 0;
 128 #ifdef    XINERAMA
 129     cascade_region = 0;
 130 #endif // XINERAMA
 131   }
 132 }
 133
 134
 135 void Workspace::focusFallback(const BlackboxWindow *old_window) {
 136   BlackboxWindow *newfocus = 0;
 137
 138   if (id == screen->getCurrentWorkspaceID()) {
 139     // The window is on the visible workspace.
 140
 141     // if it's a transient, then try to focus its parent
 142     if (old_window && old_window->isTransient()) {
 143       newfocus = old_window->getTransientFor();
 144
 145       if (! newfocus ||
 146           newfocus->isIconic() ||                  // do not focus icons
 147           newfocus->getWorkspaceNumber() != id ||  // or other workspaces
 148           ! newfocus->setInputFocus())
 149         newfocus = 0;
 150     }
 151
 152     if (! newfocus) {
 153       BlackboxWindowList::iterator it = stackingList.begin(),
 154                                   end = stackingList.end();
 155       for (; it != end; ++it) {
 156         BlackboxWindow *tmp = *it;
 157         if (tmp && tmp->isNormal() && tmp->setInputFocus()) {
 158           // we found our new focus target
 159           newfocus = tmp;
 160           break;
 161         }
 162       }
 163     }
 164
 165     screen->getBlackbox()->setFocusedWindow(newfocus);
 166   } else {
 167     // The window is not on the visible workspace.
 168
 169     if (old_window && lastfocus == old_window) {
 170       // The window was the last-focus target, so we need to replace it.
 171       BlackboxWindow *win = (BlackboxWindow*) 0;
 172       if (! stackingList.empty())
 173         win = stackingList.front();
 174       setLastFocusedWindow(win);
 175     }
 176   }
 177 }
 178
 179
 180 void Workspace::removeAll(void) {
 181   while (! windowList.empty())
 182     windowList.front()->iconify();
 183 }
 184
 185 void Workspace::showAll(void) {
 186   BlackboxWindowList::iterator it = stackingList.begin();
 187   const BlackboxWindowList::iterator end = stackingList.end();
 188   for (; it != end; ++it) {
 189     BlackboxWindow *bw = *it;
 190     // sticky windows arent unmapped on a workspace change so we don't have ot
 191     // map them, but sometimes on a restart, another app can unmap our sticky
 192     // windows, so we map on startup always
 193     if (! bw->isStuck() ||
 194         screen->getBlackbox()->state() == Openbox::State_Starting)
 195       bw->show();
 196   }
 197 }
 198
 199
 200 void Workspace::hideAll(void) {
 201   // withdraw in reverse order to minimize the number of Expose events
 202
 203   BlackboxWindowList lst(stackingList.rbegin(), stackingList.rend());
 204
 205   BlackboxWindowList::iterator it = lst.begin();
 206   const BlackboxWindowList::iterator end = lst.end();
 207   for (; it != end; ++it) {
 208     BlackboxWindow *bw = *it;
 209     // don't hide sticky windows, or they'll end up flickering on a workspace
 210     // change
 211     if (! bw->isStuck())
 212       bw->withdraw();
 213   }
 214 }
 215
 216
 217
 218 /*
 219  * returns the number of transients for win, plus the number of transients
 220  * associated with each transient of win
 221  */
 222 static unsigned int countTransients(const BlackboxWindow * const win) {
 223   BlackboxWindowList transients = win->getTransients();
 224   if (transients.empty()) return 0;
 225
 226   unsigned int ret = transients.size();
 227   BlackboxWindowList::const_iterator it = transients.begin(),
 228     end = transients.end();
 229   for (; it != end; ++it)
 230     ret += countTransients(*it);
 231
 232   return ret;
 233 }
 234
 235
 236 /*
 237  * puts the transients of win into the stack. windows are stacked above
 238  * the window before it in the stackvector being iterated, meaning
 239  * stack[0] is on bottom, stack[1] is above stack[0], stack[2] is above
 240  * stack[1], etc...
 241  */
 242 void Workspace::raiseTransients(const BlackboxWindow * const win,
 243                                 StackVector::iterator &stack) {
 244   if (win->getTransients().empty()) return; // nothing to do
 245
 246   // put win's transients in the stack
 247   BlackboxWindowList::const_iterator it, end = win->getTransients().end();
 248   for (it = win->getTransients().begin(); it != end; ++it) {
 249     BlackboxWindow *w = *it;
 250     *stack++ = w->getFrameWindow();
 251
 252     if (! w->isIconic()) {
 253       Workspace *wkspc = screen->getWorkspace(w->getWorkspaceNumber());
 254       wkspc->stackingList.remove(w);
 255       wkspc->stackingList.push_front(w);
 256     }
 257   }
 258
 259   // put transients of win's transients in the stack
 260   for (it = win->getTransients().begin(); it != end; ++it)
 261     raiseTransients(*it, stack);
 262 }
 263
 264
 265 void Workspace::lowerTransients(const BlackboxWindow * const win,
 266                                 StackVector::iterator &stack) {
 267   if (win->getTransients().empty()) return; // nothing to do
 268
 269   // put transients of win's transients in the stack
 270   BlackboxWindowList::const_reverse_iterator it,
 271     end = win->getTransients().rend();
 272   for (it = win->getTransients().rbegin(); it != end; ++it)
 273     lowerTransients(*it, stack);
 274
 275   // put win's transients in the stack
 276   for (it = win->getTransients().rbegin(); it != end; ++it) {
 277     BlackboxWindow *w = *it;
 278     *stack++ = w->getFrameWindow();
 279
 280     if (! w->isIconic()) {
 281       Workspace *wkspc = screen->getWorkspace(w->getWorkspaceNumber());
 282       wkspc->stackingList.remove(w);
 283       wkspc->stackingList.push_back(w);
 284     }
 285   }
 286 }
 287
 288
 289 void Workspace::raiseWindow(BlackboxWindow *w) {
 290   BlackboxWindow *win = w;
 291
 292   if (win->isDesktop()) return;
 293
 294   // walk up the transient_for's to the window that is not a transient
 295   while (win->isTransient() && win->getTransientFor())
 296     win = win->getTransientFor();
 297
 298   // get the total window count (win and all transients)
 299   unsigned int i = 1 + countTransients(win);
 300
 301   // stack the window with all transients above
 302   StackVector stack_vector(i);
 303   StackVector::iterator stack = stack_vector.begin();
 304
 305   *(stack++) = win->getFrameWindow();
 306   if (! (win->isIconic() || win->isDesktop())) {
 307     Workspace *wkspc = screen->getWorkspace(win->getWorkspaceNumber());
 308     wkspc->stackingList.remove(win);
 309     wkspc->stackingList.push_front(win);
 310   }
 311
 312   raiseTransients(win, stack);
 313
 314   screen->raiseWindows(&stack_vector[0], stack_vector.size());
 315 }
 316
 317
 318 void Workspace::lowerWindow(BlackboxWindow *w) {
 319   BlackboxWindow *win = w;
 320
 321   // walk up the transient_for's to the window that is not a transient
 322   while (win->isTransient() && win->getTransientFor())
 323     win = win->getTransientFor();
 324
 325   // get the total window count (win and all transients)
 326   unsigned int i = 1 + countTransients(win);
 327
 328   // stack the window with all transients above
 329   StackVector stack_vector(i);
 330   StackVector::iterator stack = stack_vector.begin();
 331
 332   lowerTransients(win, stack);
 333
 334   *(stack++) = win->getFrameWindow();
 335   if (! (win->isIconic() || win->isDesktop())) {
 336     Workspace *wkspc = screen->getWorkspace(win->getWorkspaceNumber());
 337     wkspc->stackingList.remove(win);
 338     wkspc->stackingList.push_back(win);
 339   }
 340
 341   screen->lowerWindows(&stack_vector[0], stack_vector.size());
 342 }
 343
 344
 345 void Workspace::reconfigure(void) {
 346   std::for_each(windowList.begin(), windowList.end(),
 347                 std::mem_fun(&BlackboxWindow::reconfigure));
 348 }
 349
 350
 351 BlackboxWindow *Workspace::getWindow(unsigned int index) {
 352   if (index < windowList.size()) {
 353     BlackboxWindowList::iterator it = windowList.begin();
 354     while (index-- > 0) // increment to index
 355       ++it;
 356     return *it;
 357   }
 358
 359   return 0;
 360 }
 361
 362
 363 BlackboxWindow*
 364 Workspace::getNextWindowInList(BlackboxWindow *w) {
 365   BlackboxWindowList::iterator it = std::find(windowList.begin(),
 366                                               windowList.end(),
 367                                               w);
 368   assert(it != windowList.end());   // window must be in list
 369   ++it;                             // next window
 370   if (it == windowList.end())
 371     return windowList.front();      // if we walked off the end, wrap around
 372
 373   return *it;
 374 }
 375
 376
 377 BlackboxWindow* Workspace::getPrevWindowInList(BlackboxWindow *w) {
 378   BlackboxWindowList::iterator it = std::find(windowList.begin(),
 379                                               windowList.end(),
 380                                               w);
 381   assert(it != windowList.end()); // window must be in list
 382   if (it == windowList.begin())
 383     return windowList.back();     // if we walked of the front, wrap around
 384
 385   return *(--it);
 386 }
 387
 388
 389 BlackboxWindow* Workspace::getTopWindowOnStack(void) const {
 390   assert(! stackingList.empty());
 391   return stackingList.front();
 392 }
 393
 394
 395 unsigned int Workspace::getCount(void) const {
 396   return windowList.size();
 397 }
 398
 399
 400 void Workspace::appendStackOrder(BlackboxWindowList &stack_order) const {
 401   BlackboxWindowList::const_reverse_iterator it = stackingList.rbegin();
 402   const BlackboxWindowList::const_reverse_iterator end = stackingList.rend();
 403   for (; it != end; ++it)
 404     // don't add desktop wnidows, or sticky windows more than once
 405     if (! ( (*it)->isDesktop() ||
 406             ((*it)->isStuck() && id != screen->getCurrentWorkspaceID())))
 407       stack_order.push_back(*it);
 408 }
 409
 410
 411 bool Workspace::isCurrent(void) const {
 412   return (id == screen->getCurrentWorkspaceID());
 413 }
 414
 415
 416 bool Workspace::isLastWindow(const BlackboxWindow *w) const {
 417   return (w == windowList.back());
 418 }
 419
 420
 421 void Workspace::setCurrent(void) {
 422   screen->changeWorkspaceID(id);
 423 }
 424
 425
 426 void Workspace::readName(void) {
 427   XAtom::StringVect namesList;
 428   unsigned long numnames = id + 1;
 429
 430   // attempt to get from the _NET_WM_DESKTOP_NAMES property
 431   if (xatom->getValue(screen->getRootWindow(), XAtom::net_desktop_names,
 432                       XAtom::utf8, numnames, namesList) &&
 433       namesList.size() > id) {
 434     name = namesList[id];
 435
 436   } else {
 437     /*
 438        Use a default name. This doesn't actually change the class. That will
 439        happen after the setName changes the root property, and that change
 440        makes its way back to this function.
 441     */
 442     string tmp = "Workspace %d";
 443     assert(tmp.length() < 32);
 444     char default_name[32];
 445     sprintf(default_name, tmp.c_str(), id + 1);
 446
 447     setName(default_name);  // save this into the _NET_WM_DESKTOP_NAMES property
 448   }
 449 }
 450
 451
 452 void Workspace::setName(const string& new_name) {
 453   // set the _NET_WM_DESKTOP_NAMES property with the new name
 454   XAtom::StringVect namesList;
 455   unsigned long numnames = (unsigned) -1;
 456   if (xatom->getValue(screen->getRootWindow(), XAtom::net_desktop_names,
 457                       XAtom::utf8, numnames, namesList) &&
 458       namesList.size() > id)
 459     namesList[id] = new_name;
 460   else
 461     namesList.push_back(new_name);
 462
 463   xatom->setValue(screen->getRootWindow(), XAtom::net_desktop_names,
 464                   XAtom::utf8, namesList);
 465 }
 466
 467
 468 /*
 469  * Calculate free space available for window placement.
 470  */
 471 Workspace::rectList Workspace::calcSpace(const otk::Rect &win,
 472                                          const rectList &spaces) const {
 473   otk::Rect isect, extra;
 474   rectList result;
 475   rectList::const_iterator siter, end = spaces.end();
 476   for (siter = spaces.begin(); siter != end; ++siter) {
 477     const otk::Rect &curr = *siter;
 478
 479     if(! win.intersects(curr)) {
 480       result.push_back(curr);
 481       continue;
 482     }
 483
 484     /* Use an intersection of win and curr to determine the space around
 485      * curr that we can use.
 486      *
 487      * NOTE: the spaces calculated can overlap.
 488      */
 489     isect = curr & win;
 490
 491     // left
 492     extra.setCoords(curr.left(), curr.top(),
 493                     isect.left() - screen->getSnapOffset(), curr.bottom());
 494     if (extra.valid()) result.push_back(extra);
 495
 496     // top
 497     extra.setCoords(curr.left(), curr.top(),
 498                     curr.right(), isect.top() - screen->getSnapOffset());
 499     if (extra.valid()) result.push_back(extra);
 500
 501     // right
 502     extra.setCoords(isect.right() + screen->getSnapOffset(), curr.top(),
 503                     curr.right(), curr.bottom());
 504     if (extra.valid()) result.push_back(extra);
 505
 506     // bottom
 507     extra.setCoords(curr.left(), isect.bottom() + screen->getSnapOffset(),
 508                     curr.right(), curr.bottom());
 509     if (extra.valid()) result.push_back(extra);
 510   }
 511   return result;
 512 }
 513
 514
 515 static bool rowRLBT(const otk::Rect &first, const otk::Rect &second) {
 516   if (first.bottom() == second.bottom())
 517     return first.right() > second.right();
 518   return first.bottom() > second.bottom();
 519 }
 520
 521 static bool rowRLTB(const otk::Rect &first, const otk::Rect &second) {
 522   if (first.y() == second.y())
 523     return first.right() > second.right();
 524   return first.y() < second.y();
 525 }
 526
 527 static bool rowLRBT(const otk::Rect &first, const otk::Rect &second) {
 528   if (first.bottom() == second.bottom())
 529     return first.x() < second.x();
 530   return first.bottom() > second.bottom();
 531 }
 532
 533 static bool rowLRTB(const otk::Rect &first, const otk::Rect &second) {
 534   if (first.y() == second.y())
 535     return first.x() < second.x();
 536   return first.y() < second.y();
 537 }
 538
 539 static bool colLRTB(const otk::Rect &first, const otk::Rect &second) {
 540   if (first.x() == second.x())
 541     return first.y() < second.y();
 542   return first.x() < second.x();
 543 }
 544
 545 static bool colLRBT(const otk::Rect &first, const otk::Rect &second) {
 546   if (first.x() == second.x())
 547     return first.bottom() > second.bottom();
 548   return first.x() < second.x();
 549 }
 550
 551 static bool colRLTB(const otk::Rect &first, const otk::Rect &second) {
 552   if (first.right() == second.right())
 553     return first.y() < second.y();
 554   return first.right() > second.right();
 555 }
 556
 557 static bool colRLBT(const otk::Rect &first, const otk::Rect &second) {
 558   if (first.right() == second.right())
 559     return first.bottom() > second.bottom();
 560   return first.right() > second.right();
 561 }
 562
 563
 564 bool Workspace::smartPlacement(otk::Rect& win) {
 565   rectList spaces;
 566
 567   //initially the entire screen is free
 568 #ifdef    XINERAMA
 569   if (screen->isXineramaActive() &&
 570       screen->getBlackbox()->doXineramaPlacement()) {
 571     RectList availableAreas = screen->allAvailableAreas();
 572     RectList::iterator it, end = availableAreas.end();
 573
 574     for (it = availableAreas.begin(); it != end; ++it) {
 575       Rect r = *it;
 576       r.setRect(r.x() + screen->getSnapOffset(),
 577                 r.y() + screen->getSnapOffset(),
 578                 r.width() - screen->getSnapOffset(),
 579                 r.height() - screen->getSnapOffset());
 580       spaces.push_back(*it);
 581     }
 582   } else
 583 #endif // XINERAMA
 584   {
 585     otk::Rect r = screen->availableArea();
 586     r.setRect(r.x() + screen->getSnapOffset(),
 587               r.y() + screen->getSnapOffset(),
 588               r.width() - screen->getSnapOffset(),
 589               r.height() - screen->getSnapOffset());
 590     spaces.push_back(r);
 591   }
 592
 593   //Find Free Spaces
 594   BlackboxWindowList::const_iterator wit = windowList.begin(),
 595     end = windowList.end();
 596   otk::Rect tmp;
 597   for (; wit != end; ++wit) {
 598     const BlackboxWindow* const curr = *wit;
 599
 600     // watch for shaded windows and full-maxed windows
 601     if (curr->isShaded()) {
 602       if (screen->getPlaceIgnoreShaded()) continue;
 603     } else if (curr->isMaximizedFull()) {
 604       if (screen->getPlaceIgnoreMaximized()) continue;
 605     }
 606
 607     tmp.setRect(curr->frameRect().x(), curr->frameRect().y(),
 608                 curr->frameRect().width() + screen->getBorderWidth(),
 609                 curr->frameRect().height() + screen->getBorderWidth());
 610
 611     spaces = calcSpace(tmp, spaces);
 612   }
 613
 614   if (screen->getPlacementPolicy() == BScreen::RowSmartPlacement) {
 615     if(screen->getRowPlacementDirection() == BScreen::LeftRight) {
 616       if(screen->getColPlacementDirection() == BScreen::TopBottom)
 617         std::sort(spaces.begin(), spaces.end(), rowLRTB);
 618       else
 619         std::sort(spaces.begin(), spaces.end(), rowLRBT);
 620     } else {
 621       if(screen->getColPlacementDirection() == BScreen::TopBottom)
 622         std::sort(spaces.begin(), spaces.end(), rowRLTB);
 623       else
 624         std::sort(spaces.begin(), spaces.end(), rowRLBT);
 625     }
 626   } else {
 627     if(screen->getColPlacementDirection() == BScreen::TopBottom) {
 628       if(screen->getRowPlacementDirection() == BScreen::LeftRight)
 629         std::sort(spaces.begin(), spaces.end(), colLRTB);
 630       else
 631         std::sort(spaces.begin(), spaces.end(), colRLTB);
 632     } else {
 633       if(screen->getRowPlacementDirection() == BScreen::LeftRight)
 634         std::sort(spaces.begin(), spaces.end(), colLRBT);
 635       else
 636         std::sort(spaces.begin(), spaces.end(), colRLBT);
 637     }
 638   }
 639
 640   rectList::const_iterator sit = spaces.begin(), spaces_end = spaces.end();
 641   for(; sit != spaces_end; ++sit) {
 642     if (sit->width() >= win.width() && sit->height() >= win.height())
 643       break;
 644   }
 645
 646   if (sit == spaces_end)
 647     return False;
 648
 649   //set new position based on the empty space found
 650   const otk::Rect& where = *sit;
 651   win.setX(where.x());
 652   win.setY(where.y());
 653
 654   // adjust the location() based on left/right and top/bottom placement
 655   if (screen->getPlacementPolicy() == BScreen::RowSmartPlacement) {
 656     if (screen->getRowPlacementDirection() == BScreen::RightLeft)
 657       win.setX(where.right() - win.width());
 658     if (screen->getColPlacementDirection() == BScreen::BottomTop)
 659       win.setY(where.bottom() - win.height());
 660   } else {
 661     if (screen->getColPlacementDirection() == BScreen::BottomTop)
 662       win.setY(win.y() + where.height() - win.height());
 663     if (screen->getRowPlacementDirection() == BScreen::RightLeft)
 664       win.setX(win.x() + where.width() - win.width());
 665   }
 666   return True;
 667 }
 668
 669
 670 bool Workspace::underMousePlacement(otk::Rect &win) {
 671   int x, y, rx, ry;
 672   Window c, r;
 673   unsigned int m;
 674   XQueryPointer(otk::OBDisplay::display, screen->getRootWindow(),
 675                 &r, &c, &rx, &ry, &x, &y, &m);
 676
 677   otk::Rect area;
 678 #ifdef    XINERAMA
 679   if (screen->isXineramaActive() &&
 680       screen->getBlackbox()->doXineramaPlacement()) {
 681     RectList availableAreas = screen->allAvailableAreas();
 682     RectList::iterator it, end = availableAreas.end();
 683
 684     for (it = availableAreas.begin(); it != end; ++it)
 685       if (it->contains(rx, ry)) break;
 686     assert(it != end);  // the mouse isn't inside an area?
 687     area = *it;
 688   } else
 689 #endif // XINERAMA
 690     area = screen->availableArea();
 691
 692   x = rx - win.width() / 2;
 693   y = ry - win.height() / 2;
 694
 695   if (x < area.x())
 696     x = area.x();
 697   if (y < area.y())
 698     y = area.y();
 699   if (x + win.width() > area.x() + area.width())
 700     x = area.x() + area.width() - win.width();
 701   if (y + win.height() > area.y() + area.height())
 702     y = area.y() + area.height() - win.height();
 703
 704   win.setX(x);
 705   win.setY(y);
 706
 707   return True;
 708 }
 709
 710
 711 bool Workspace::cascadePlacement(otk::Rect &win, const int offset) {
 712   otk::Rect area;
 713
 714 #ifdef    XINERAMA
 715   if (screen->isXineramaActive() &&
 716       screen->getBlackbox()->doXineramaPlacement()) {
 717     area = screen->allAvailableAreas()[cascade_region];
 718   } else
 719 #endif // XINERAMA
 720     area = screen->availableArea();
 721
 722   if ((static_cast<signed>(cascade_x + win.width()) > area.right() + 1) ||
 723       (static_cast<signed>(cascade_y + win.height()) > area.bottom() + 1)) {
 724     cascade_x = cascade_y = 0;
 725 #ifdef    XINERAMA
 726     if (screen->isXineramaActive() &&
 727         screen->getBlackbox()->doXineramaPlacement()) {
 728       // go to the next xinerama region, and use its area
 729       if (++cascade_region >= screen->allAvailableAreas().size())
 730         cascade_region = 0;
 731       area = screen->allAvailableAreas()[cascade_region];
 732     }
 733 #endif // XINERAMA
 734   }
 735
 736   if (cascade_x == 0) {
 737     cascade_x = area.x() + offset;
 738     cascade_y = area.y() + offset;
 739   }
 740
 741   win.setPos(cascade_x, cascade_y);
 742
 743   cascade_x += offset;
 744   cascade_y += offset;
 745
 746   return True;
 747 }
 748
 749
 750 void Workspace::placeWindow(BlackboxWindow *win) {
 751   otk::Rect new_win(0, 0, win->frameRect().width(), win->frameRect().height());
 752   bool placed = False;
 753
 754   switch (screen->getPlacementPolicy()) {
 755   case BScreen::RowSmartPlacement:
 756   case BScreen::ColSmartPlacement:
 757     placed = smartPlacement(new_win);
 758     break;
 759   case BScreen::UnderMousePlacement:
 760   case BScreen::ClickMousePlacement:
 761     placed = underMousePlacement(new_win);
 762   default:
 763     break; // handled below
 764   } // switch
 765
 766   if (placed == False)
 767     cascadePlacement(new_win, (win->getTitleHeight() +
 768                                screen->getBorderWidth() * 2));
 769
 770   if (new_win.right() > screen->availableArea().right())
 771     new_win.setX(screen->availableArea().left());
 772   if (new_win.bottom() > screen->availableArea().bottom())
 773     new_win.setY(screen->availableArea().top());
 774
 775   win->configure(new_win.x(), new_win.y(), new_win.width(), new_win.height());
 776 }
 777
 778 }