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 "bbscreen.hh"
  31 #include "otk/util.hh"
  32 #include "bbwindow.hh"
  33 #include "workspace.hh"
  34
  35 namespace ob {
  36
  37 Workspace::Workspace(BScreen *scrn, unsigned int i) {
  38   screen = scrn;
  39   xatom = screen->getBlackbox()->getXAtom();
  40
  41   cascade_x = cascade_y = 0;
  42 #ifdef    XINERAMA
  43   cascade_region = 0;
  44 #endif // XINERAMA
  45
  46   id = i;
  47
  48   lastfocus = (BlackboxWindow *) 0;
  49
  50   readName();
  51 }
  52
  53
  54 void Workspace::addWindow(BlackboxWindow *w, bool place, bool sticky) {
  55   assert(w != 0);
  56
  57   if (place) placeWindow(w);
  58
  59   stackingList.push_front(w);
  60
  61   if (! sticky)
  62     w->setWorkspace(id);
  63
  64   if (! w->isNormal()) {
  65     if (! sticky) {
  66       // just give it some number, else bad things happen as it is assumed to
  67       // not be on a workspace
  68       w->setWindowNumber(0);
  69     }
  70   } else {
  71     if (! sticky)
  72       w->setWindowNumber(windowList.size());
  73
  74     windowList.push_back(w);
  75
  76     if (screen->doFocusNew() || (w->isTransient() && w->getTransientFor() &&
  77                                  w->getTransientFor()->isFocused())) {
  78       if (id != screen->getCurrentWorkspaceID()) {
  79         /*
  80            not on the focused workspace, so the window is not going to get focus
  81            but if the user wants new windows focused, then it should get focus
  82            when this workspace does become focused.
  83         */
  84         lastfocus = w;
  85       }
  86     }
  87   }
  88
  89   if (! w->isDesktop())
  90     raiseWindow(w);
  91   else
  92     lowerWindow(w);
  93 }
  94
  95
  96 void Workspace::removeWindow(BlackboxWindow *w, bool sticky) {
  97   assert(w != 0);
  98
  99   stackingList.remove(w);
 100
 101   // pass focus to the next appropriate window
 102   if ((w->isFocused() || w == lastfocus) &&
 103       screen->getBlackbox()->state() != Openbox::State_Exiting) {
 104     focusFallback(w);
 105   }
 106
 107   if (! w->isNormal()) return;
 108
 109   BlackboxWindowList::iterator it, end = windowList.end();
 110   int i;
 111   for (i = 0, it = windowList.begin(); it != end; ++it, ++i)
 112     if (*it == w)
 113       break;
 114   assert(it != end);
 115
 116   windowList.erase(it);
 117   if (! sticky) {
 118     BlackboxWindowList::iterator it = windowList.begin();
 119     const BlackboxWindowList::iterator end = windowList.end();
 120     unsigned int i = 0;
 121     for (; it != end; ++it, ++i)
 122       (*it)->setWindowNumber(i);
 123   }
 124
 125   if (i == 0) {
 126     cascade_x = cascade_y = 0;
 127 #ifdef    XINERAMA
 128     cascade_region = 0;
 129 #endif // XINERAMA
 130   }
 131 }
 132
 133
 134 void Workspace::focusFallback(const BlackboxWindow *old_window) {
 135   BlackboxWindow *newfocus = 0;
 136
 137   if (id == screen->getCurrentWorkspaceID()) {
 138     // The window is on the visible workspace.
 139
 140     // if it's a transient, then try to focus its parent
 141     if (old_window && old_window->isTransient()) {
 142       newfocus = old_window->getTransientFor();
 143
 144       if (! newfocus ||
 145           newfocus->isIconic() ||                  // do not focus icons
 146           newfocus->getWorkspaceNumber() != id ||  // or other workspaces
 147           ! newfocus->setInputFocus())
 148         newfocus = 0;
 149     }
 150
 151     if (! newfocus) {
 152       BlackboxWindowList::iterator it = stackingList.begin(),
 153                                   end = stackingList.end();
 154       for (; it != end; ++it) {
 155         BlackboxWindow *tmp = *it;
 156         if (tmp && tmp->isNormal() && tmp->setInputFocus()) {
 157           // we found our new focus target
 158           newfocus = tmp;
 159           break;
 160         }
 161       }
 162     }
 163
 164     screen->getBlackbox()->setFocusedWindow(newfocus);
 165   } else {
 166     // The window is not on the visible workspace.
 167
 168     if (old_window && lastfocus == old_window) {
 169       // The window was the last-focus target, so we need to replace it.
 170       BlackboxWindow *win = (BlackboxWindow*) 0;
 171       if (! stackingList.empty())
 172         win = stackingList.front();
 173       setLastFocusedWindow(win);
 174     }
 175   }
 176 }
 177
 178
 179 void Workspace::removeAll(void) {
 180   while (! windowList.empty())
 181     windowList.front()->iconify();
 182 }
 183
 184 void Workspace::showAll(void) {
 185   BlackboxWindowList::iterator it = stackingList.begin();
 186   const BlackboxWindowList::iterator end = stackingList.end();
 187   for (; it != end; ++it) {
 188     BlackboxWindow *bw = *it;
 189     // sticky windows arent unmapped on a workspace change so we don't have ot
 190     // map them, but sometimes on a restart, another app can unmap our sticky
 191     // windows, so we map on startup always
 192     if (! bw->isStuck() ||
 193         screen->getBlackbox()->state() == Openbox::State_Starting)
 194       bw->show();
 195   }
 196 }
 197
 198
 199 void Workspace::hideAll(void) {
 200   // withdraw in reverse order to minimize the number of Expose events
 201
 202   BlackboxWindowList lst(stackingList.rbegin(), stackingList.rend());
 203
 204   BlackboxWindowList::iterator it = lst.begin();
 205   const BlackboxWindowList::iterator end = lst.end();
 206   for (; it != end; ++it) {
 207     BlackboxWindow *bw = *it;
 208     // don't hide sticky windows, or they'll end up flickering on a workspace
 209     // change
 210     if (! bw->isStuck())
 211       bw->withdraw();
 212   }
 213 }
 214
 215
 216
 217 /*
 218  * returns the number of transients for win, plus the number of transients
 219  * associated with each transient of win
 220  */
 221 static unsigned int countTransients(const BlackboxWindow * const win) {
 222   BlackboxWindowList transients = win->getTransients();
 223   if (transients.empty()) return 0;
 224
 225   unsigned int ret = transients.size();
 226   BlackboxWindowList::const_iterator it = transients.begin(),
 227     end = transients.end();
 228   for (; it != end; ++it)
 229     ret += countTransients(*it);
 230
 231   return ret;
 232 }
 233
 234
 235 /*
 236  * puts the transients of win into the stack. windows are stacked above
 237  * the window before it in the stackvector being iterated, meaning
 238  * stack[0] is on bottom, stack[1] is above stack[0], stack[2] is above
 239  * stack[1], etc...
 240  */
 241 void Workspace::raiseTransients(const BlackboxWindow * const win,
 242                                 StackVector::iterator &stack) {
 243   if (win->getTransients().empty()) return; // nothing to do
 244
 245   // put win's transients in the stack
 246   BlackboxWindowList::const_iterator it, end = win->getTransients().end();
 247   for (it = win->getTransients().begin(); it != end; ++it) {
 248     BlackboxWindow *w = *it;
 249     *stack++ = w->getFrameWindow();
 250
 251     if (! w->isIconic()) {
 252       Workspace *wkspc = screen->getWorkspace(w->getWorkspaceNumber());
 253       wkspc->stackingList.remove(w);
 254       wkspc->stackingList.push_front(w);
 255     }
 256   }
 257
 258   // put transients of win's transients in the stack
 259   for (it = win->getTransients().begin(); it != end; ++it)
 260     raiseTransients(*it, stack);
 261 }
 262
 263
 264 void Workspace::lowerTransients(const BlackboxWindow * const win,
 265                                 StackVector::iterator &stack) {
 266   if (win->getTransients().empty()) return; // nothing to do
 267
 268   // put transients of win's transients in the stack
 269   BlackboxWindowList::const_reverse_iterator it,
 270     end = win->getTransients().rend();
 271   for (it = win->getTransients().rbegin(); it != end; ++it)
 272     lowerTransients(*it, stack);
 273
 274   // put win's transients in the stack
 275   for (it = win->getTransients().rbegin(); it != end; ++it) {
 276     BlackboxWindow *w = *it;
 277     *stack++ = w->getFrameWindow();
 278
 279     if (! w->isIconic()) {
 280       Workspace *wkspc = screen->getWorkspace(w->getWorkspaceNumber());
 281       wkspc->stackingList.remove(w);
 282       wkspc->stackingList.push_back(w);
 283     }
 284   }
 285 }
 286
 287
 288 void Workspace::raiseWindow(BlackboxWindow *w) {
 289   BlackboxWindow *win = w;
 290
 291   if (win->isDesktop()) return;
 292
 293   // walk up the transient_for's to the window that is not a transient
 294   while (win->isTransient() && win->getTransientFor())
 295     win = win->getTransientFor();
 296
 297   // get the total window count (win and all transients)
 298   unsigned int i = 1 + countTransients(win);
 299
 300   // stack the window with all transients above
 301   StackVector stack_vector(i);
 302   StackVector::iterator stack = stack_vector.begin();
 303
 304   *(stack++) = win->getFrameWindow();
 305   if (! (win->isIconic() || win->isDesktop())) {
 306     Workspace *wkspc = screen->getWorkspace(win->getWorkspaceNumber());
 307     wkspc->stackingList.remove(win);
 308     wkspc->stackingList.push_front(win);
 309   }
 310
 311   raiseTransients(win, stack);
 312
 313   screen->raiseWindows(&stack_vector[0], stack_vector.size());
 314 }
 315
 316
 317 void Workspace::lowerWindow(BlackboxWindow *w) {
 318   BlackboxWindow *win = w;
 319
 320   // walk up the transient_for's to the window that is not a transient
 321   while (win->isTransient() && win->getTransientFor())
 322     win = win->getTransientFor();
 323
 324   // get the total window count (win and all transients)
 325   unsigned int i = 1 + countTransients(win);
 326
 327   // stack the window with all transients above
 328   StackVector stack_vector(i);
 329   StackVector::iterator stack = stack_vector.begin();
 330
 331   lowerTransients(win, stack);
 332
 333   *(stack++) = win->getFrameWindow();
 334   if (! (win->isIconic() || win->isDesktop())) {
 335     Workspace *wkspc = screen->getWorkspace(win->getWorkspaceNumber());
 336     wkspc->stackingList.remove(win);
 337     wkspc->stackingList.push_back(win);
 338   }
 339
 340   screen->lowerWindows(&stack_vector[0], stack_vector.size());
 341 }
 342
 343
 344 void Workspace::reconfigure(void) {
 345   std::for_each(windowList.begin(), windowList.end(),
 346                 std::mem_fun(&BlackboxWindow::reconfigure));
 347 }
 348
 349
 350 BlackboxWindow *Workspace::getWindow(unsigned int index) {
 351   if (index < windowList.size()) {
 352     BlackboxWindowList::iterator it = windowList.begin();
 353     while (index-- > 0) // increment to index
 354       ++it;
 355     return *it;
 356   }
 357
 358   return 0;
 359 }
 360
 361
 362 BlackboxWindow*
 363 Workspace::getNextWindowInList(BlackboxWindow *w) {
 364   BlackboxWindowList::iterator it = std::find(windowList.begin(),
 365                                               windowList.end(),
 366                                               w);
 367   assert(it != windowList.end());   // window must be in list
 368   ++it;                             // next window
 369   if (it == windowList.end())
 370     return windowList.front();      // if we walked off the end, wrap around
 371
 372   return *it;
 373 }
 374
 375
 376 BlackboxWindow* Workspace::getPrevWindowInList(BlackboxWindow *w) {
 377   BlackboxWindowList::iterator it = std::find(windowList.begin(),
 378                                               windowList.end(),
 379                                               w);
 380   assert(it != windowList.end()); // window must be in list
 381   if (it == windowList.begin())
 382     return windowList.back();     // if we walked of the front, wrap around
 383
 384   return *(--it);
 385 }
 386
 387
 388 BlackboxWindow* Workspace::getTopWindowOnStack(void) const {
 389   assert(! stackingList.empty());
 390   return stackingList.front();
 391 }
 392
 393
 394 unsigned int Workspace::getCount(void) const {
 395   return windowList.size();
 396 }
 397
 398
 399 void Workspace::appendStackOrder(BlackboxWindowList &stack_order) const {
 400   BlackboxWindowList::const_reverse_iterator it = stackingList.rbegin();
 401   const BlackboxWindowList::const_reverse_iterator end = stackingList.rend();
 402   for (; it != end; ++it)
 403     // don't add desktop wnidows, or sticky windows more than once
 404     if (! ( (*it)->isDesktop() ||
 405             ((*it)->isStuck() && id != screen->getCurrentWorkspaceID())))
 406       stack_order.push_back(*it);
 407 }
 408
 409
 410 bool Workspace::isCurrent(void) const {
 411   return (id == screen->getCurrentWorkspaceID());
 412 }
 413
 414
 415 bool Workspace::isLastWindow(const BlackboxWindow *w) const {
 416   return (w == windowList.back());
 417 }
 418
 419
 420 void Workspace::setCurrent(void) {
 421   screen->changeWorkspaceID(id);
 422 }
 423
 424
 425 void Workspace::readName(void) {
 426   otk::OBProperty::StringVect namesList;
 427   unsigned long numnames = id + 1;
 428
 429   // attempt to get from the _NET_WM_DESKTOP_NAMES property
 430   if (xatom->get(screen->getRootWindow(), otk::OBProperty::net_desktop_names,
 431                  otk::OBProperty::utf8, &numnames, &namesList) &&
 432       namesList.size() > id) {
 433     name = namesList[id];
 434
 435   } else {
 436     /*
 437        Use a default name. This doesn't actually change the class. That will
 438        happen after the setName changes the root property, and that change
 439        makes its way back to this function.
 440     */
 441     string tmp = "Workspace %d";
 442     assert(tmp.length() < 32);
 443     char default_name[32];
 444     sprintf(default_name, tmp.c_str(), id + 1);
 445
 446     setName(default_name);  // save this into the _NET_WM_DESKTOP_NAMES property
 447   }
 448 }
 449
 450
 451 void Workspace::setName(const string& new_name) {
 452   // set the _NET_WM_DESKTOP_NAMES property with the new name
 453   otk::OBProperty::StringVect namesList;
 454   unsigned long numnames = (unsigned) -1;
 455   if (xatom->get(screen->getRootWindow(),
 456                  otk::OBProperty::net_desktop_names,
 457                  otk::OBProperty::utf8, &numnames, &namesList) &&
 458       namesList.size() > id)
 459     namesList[id] = new_name;
 460   else
 461     namesList.push_back(new_name);
 462
 463   xatom->set(screen->getRootWindow(), otk::OBProperty::net_desktop_names,
 464              otk::OBProperty::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->getWindowStyle()->getBorderWidth(),
 609                 curr->frameRect().height() + screen->getWindowStyle()->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->getWindowStyle()->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 }