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

   1 // -*- mode: C++; indent-tabs-mode: nil; c-basic-offset: 2; -*-
   2 // Workspace.cc for Blackbox - an X11 Window manager
   3 // Copyright (c) 2001 - 2002 Sean 'Shaleh' Perry <shaleh@debian.org>
   4 // Copyright (c) 1997 - 2000 Brad Hughes (bhughes@tcac.net)
   5 //
   6 // Permission is hereby granted, free of charge, to any person obtaining a
   7 // copy of this software and associated documentation files (the "Software"),
   8 // to deal in the Software without restriction, including without limitation
   9 // the rights to use, copy, modify, merge, publish, distribute, sublicense,
  10 // and/or sell copies of the Software, and to permit persons to whom the
  11 // Software is furnished to do so, subject to the following conditions:
  12 //
  13 // The above copyright notice and this permission notice shall be included in
  14 // all copies or substantial portions of the Software.
  15 //
  16 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  17 // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  18 // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  19 // THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  20 // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
  21 // FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
  22 // DEALINGS IN THE SOFTWARE.
  23
  24 #ifdef    HAVE_CONFIG_H
  25 #  include "../config.h"
  26 #endif // HAVE_CONFIG_H
  27
  28 extern "C" {
  29 #include <X11/Xlib.h>
  30 #include <X11/Xatom.h>
  31
  32 #ifdef    HAVE_STDIO_H
  33 #  include <stdio.h>
  34 #endif // HAVE_STDIO_H
  35
  36 #ifdef HAVE_STRING_H
  37 #  include <string.h>
  38 #endif // HAVE_STRING_H
  39 }
  40
  41 #include <assert.h>
  42
  43 #include <functional>
  44 #include <string>
  45
  46 using std::string;
  47
  48 #include "i18n.hh"
  49 #include "blackbox.hh"
  50 #include "Clientmenu.hh"
  51 #include "Font.hh"
  52 #include "Netizen.hh"
  53 #include "Screen.hh"
  54 #include "Toolbar.hh"
  55 #include "Util.hh"
  56 #include "Window.hh"
  57 #include "Workspace.hh"
  58 #include "Windowmenu.hh"
  59 #include "XAtom.hh"
  60
  61
  62 Workspace::Workspace(BScreen *scrn, unsigned int i) {
  63   screen = scrn;
  64   xatom = screen->getBlackbox()->getXAtom();
  65
  66   cascade_x = cascade_y = 0;
  67 #ifdef    XINERAMA
  68   cascade_region = 0;
  69 #endif // XINERAMA
  70
  71   id = i;
  72
  73   clientmenu = new Clientmenu(this);
  74
  75   lastfocus = (BlackboxWindow *) 0;
  76
  77   readName();
  78 }
  79
  80
  81 void Workspace::addWindow(BlackboxWindow *w, bool place, bool sticky) {
  82   assert(w != 0);
  83
  84   if (place) placeWindow(w);
  85
  86   stackingList.push_front(w);
  87
  88   if (w->isNormal()) {
  89     if (! sticky) {
  90       w->setWorkspace(id);
  91       w->setWindowNumber(windowList.size());
  92     }
  93
  94     windowList.push_back(w);
  95
  96     clientmenu->insert(w->getTitle());
  97     clientmenu->update();
  98
  99     if (! sticky)
 100       screen->updateNetizenWindowAdd(w->getClientWindow(), id);
 101
 102     if (screen->doFocusNew() || (w->isTransient() && w->getTransientFor() &&
 103                                  w->getTransientFor()->isFocused())) {
 104       if (id == screen->getCurrentWorkspaceID())
 105         w->setInputFocus();
 106       else {
 107         /*
 108            not on the focused workspace, so the window is not going to get focus
 109            but if the user wants new windows focused, then it should get focus
 110            when this workspace does become focused.
 111         */
 112         lastfocus = w;
 113       }
 114     }
 115   }
 116
 117   if (! w->isDesktop())
 118     raiseWindow(w);
 119   else
 120     lowerWindow(w);
 121 }
 122
 123
 124 void Workspace::removeWindow(BlackboxWindow *w, bool sticky) {
 125   assert(w != 0);
 126
 127   stackingList.remove(w);
 128
 129   // pass focus to the next appropriate window
 130   if ((w->isFocused() || w == lastfocus) &&
 131       ! screen->getBlackbox()->doShutdown()) {
 132     focusFallback(w);
 133   }
 134
 135   if (! w->isNormal()) return;
 136
 137   BlackboxWindowList::iterator it, end = windowList.end();
 138   int i;
 139   for (i = 0, it = windowList.begin(); it != end; ++it, ++i)
 140     if (*it == w)
 141       break;
 142   assert(it != end);
 143
 144   windowList.erase(it);
 145   clientmenu->remove(i);
 146   clientmenu->update();
 147
 148   if (! sticky) {
 149     screen->updateNetizenWindowDel(w->getClientWindow());
 150
 151     BlackboxWindowList::iterator it = windowList.begin();
 152     const BlackboxWindowList::iterator end = windowList.end();
 153     unsigned int i = 0;
 154     for (; it != end; ++it, ++i)
 155       (*it)->setWindowNumber(i);
 156   }
 157
 158   if (i == 0) {
 159     cascade_x = cascade_y = 0;
 160 #ifdef    XINERAMA
 161     cascade_region = 0;
 162 #endif // XINERAMA
 163   }
 164 }
 165
 166
 167 void Workspace::focusFallback(const BlackboxWindow *old_window) {
 168   BlackboxWindow *newfocus = 0;
 169
 170   if (id == screen->getCurrentWorkspaceID()) {
 171     // The window is on the visible workspace.
 172
 173     // if it's a transient, then try to focus its parent
 174     if (old_window && old_window->isTransient()) {
 175       newfocus = old_window->getTransientFor();
 176
 177       if (! newfocus ||
 178           newfocus->isIconic() ||                  // do not focus icons
 179           newfocus->getWorkspaceNumber() != id ||  // or other workspaces
 180           ! newfocus->setInputFocus())
 181         newfocus = 0;
 182     }
 183
 184     if (! newfocus) {
 185       BlackboxWindowList::iterator it = stackingList.begin(),
 186                                   end = stackingList.end();
 187       for (; it != end; ++it) {
 188         BlackboxWindow *tmp = *it;
 189         if (tmp && tmp->isNormal() && tmp->setInputFocus()) {
 190           // we found our new focus target
 191           newfocus = tmp;
 192           break;
 193         }
 194       }
 195     }
 196
 197     screen->getBlackbox()->setFocusedWindow(newfocus);
 198   } else {
 199     // The window is not on the visible workspace.
 200
 201     if (old_window && lastfocus == old_window) {
 202       // The window was the last-focus target, so we need to replace it.
 203       BlackboxWindow *win = (BlackboxWindow*) 0;
 204       if (! stackingList.empty())
 205         win = stackingList.front();
 206       setLastFocusedWindow(win);
 207     }
 208   }
 209 }
 210
 211
 212 void Workspace::setFocused(const BlackboxWindow *w, bool focused) {
 213   BlackboxWindowList::iterator it, end = windowList.end();
 214   int i;
 215   for (i = 0, it = windowList.begin(); it != end; ++it, ++i)
 216     if (*it == w)
 217       break;
 218   // if its == end, then a window thats not in the windowList
 219   // got focused, such as a !isNormal() window.
 220   if (it != end)
 221     clientmenu->setItemSelected(i, focused);
 222 }
 223
 224
 225 void Workspace::showAll(void) {
 226   BlackboxWindowList::iterator it = stackingList.begin();
 227   const BlackboxWindowList::iterator end = stackingList.end();
 228   for (; it != end; ++it) {
 229     BlackboxWindow *bw = *it;
 230     bw->show();
 231   }
 232 }
 233
 234
 235 void Workspace::hideAll(void) {
 236   // withdraw in reverse order to minimize the number of Expose events
 237   BlackboxWindowList::reverse_iterator it = stackingList.rbegin();
 238   const BlackboxWindowList::reverse_iterator end = stackingList.rend();
 239   while (it != end) {
 240     BlackboxWindow *bw = *it;
 241     ++it; // withdraw removes the current item from the list so we need the next
 242           // iterator before that happens
 243     bw->withdraw();
 244   }
 245 }
 246
 247
 248 void Workspace::removeAll(void) {
 249   while (! windowList.empty())
 250     windowList.front()->iconify();
 251 }
 252
 253
 254 /*
 255  * returns the number of transients for win, plus the number of transients
 256  * associated with each transient of win
 257  */
 258 static int countTransients(const BlackboxWindow * const win) {
 259   int ret = win->getTransients().size();
 260   if (ret > 0) {
 261     BlackboxWindowList::const_iterator it, end = win->getTransients().end();
 262     for (it = win->getTransients().begin(); it != end; ++it) {
 263       ret += countTransients(*it);
 264     }
 265   }
 266   return ret;
 267 }
 268
 269
 270 /*
 271  * puts the transients of win into the stack. windows are stacked above
 272  * the window before it in the stackvector being iterated, meaning
 273  * stack[0] is on bottom, stack[1] is above stack[0], stack[2] is above
 274  * stack[1], etc...
 275  */
 276 void Workspace::raiseTransients(const BlackboxWindow * const win,
 277                                 StackVector::iterator &stack) {
 278   if (win->getTransients().size() == 0) return; // nothing to do
 279
 280   // put win's transients in the stack
 281   BlackboxWindowList::const_iterator it, end = win->getTransients().end();
 282   for (it = win->getTransients().begin(); it != end; ++it) {
 283     *stack++ = (*it)->getFrameWindow();
 284     screen->updateNetizenWindowRaise((*it)->getClientWindow());
 285
 286     if (! (*it)->isIconic()) {
 287       Workspace *wkspc = screen->getWorkspace((*it)->getWorkspaceNumber());
 288       wkspc->stackingList.remove((*it));
 289       wkspc->stackingList.push_front((*it));
 290     }
 291   }
 292
 293   // put transients of win's transients in the stack
 294   for (it = win->getTransients().begin(); it != end; ++it) {
 295     raiseTransients(*it, stack);
 296   }
 297 }
 298
 299
 300 void Workspace::lowerTransients(const BlackboxWindow * const win,
 301                                 StackVector::iterator &stack) {
 302   if (win->getTransients().size() == 0) return; // nothing to do
 303
 304   // put transients of win's transients in the stack
 305   BlackboxWindowList::const_reverse_iterator it,
 306     end = win->getTransients().rend();
 307   for (it = win->getTransients().rbegin(); it != end; ++it) {
 308     lowerTransients(*it, stack);
 309   }
 310
 311   // put win's transients in the stack
 312   for (it = win->getTransients().rbegin(); it != end; ++it) {
 313     *stack++ = (*it)->getFrameWindow();
 314     screen->updateNetizenWindowLower((*it)->getClientWindow());
 315
 316     if (! (*it)->isIconic()) {
 317       Workspace *wkspc = screen->getWorkspace((*it)->getWorkspaceNumber());
 318       wkspc->stackingList.remove((*it));
 319       wkspc->stackingList.push_back((*it));
 320     }
 321   }
 322 }
 323
 324
 325 void Workspace::raiseWindow(BlackboxWindow *w) {
 326   BlackboxWindow *win = w;
 327
 328   if (win->isDesktop()) return;
 329
 330   // walk up the transient_for's to the window that is not a transient
 331   while (win->isTransient() && ! win->isDesktop()) {
 332     if (! win->getTransientFor()) break;
 333     win = win->getTransientFor();
 334   }
 335
 336   // get the total window count (win and all transients)
 337   unsigned int i = 1 + countTransients(win);
 338
 339   // stack the window with all transients above
 340   StackVector stack_vector(i);
 341   StackVector::iterator stack = stack_vector.begin();
 342
 343   *(stack++) = win->getFrameWindow();
 344   screen->updateNetizenWindowRaise(win->getClientWindow());
 345   if (! (win->isIconic() || win->isDesktop())) {
 346     Workspace *wkspc = screen->getWorkspace(win->getWorkspaceNumber());
 347     wkspc->stackingList.remove(win);
 348     wkspc->stackingList.push_front(win);
 349   }
 350
 351   raiseTransients(win, stack);
 352
 353   screen->raiseWindows(&stack_vector[0], stack_vector.size());
 354 }
 355
 356
 357 void Workspace::lowerWindow(BlackboxWindow *w) {
 358   BlackboxWindow *win = w;
 359
 360   // walk up the transient_for's to the window that is not a transient
 361   while (win->isTransient() && ! win->isDesktop()) {
 362     if (! win->getTransientFor()) break;
 363     win = win->getTransientFor();
 364   }
 365
 366   // get the total window count (win and all transients)
 367   unsigned int i = 1 + countTransients(win);
 368
 369   // stack the window with all transients above
 370   StackVector stack_vector(i);
 371   StackVector::iterator stack = stack_vector.begin();
 372
 373   lowerTransients(win, stack);
 374
 375   *(stack++) = win->getFrameWindow();
 376   screen->updateNetizenWindowLower(win->getClientWindow());
 377   if (! (win->isIconic() || win->isDesktop())) {
 378     Workspace *wkspc = screen->getWorkspace(win->getWorkspaceNumber());
 379     wkspc->stackingList.remove(win);
 380     wkspc->stackingList.push_back(win);
 381   }
 382
 383   screen->lowerWindows(&stack_vector[0], stack_vector.size());
 384 }
 385
 386
 387 void Workspace::reconfigure(void) {
 388   clientmenu->reconfigure();
 389   std::for_each(windowList.begin(), windowList.end(),
 390                 std::mem_fun(&BlackboxWindow::reconfigure));
 391 }
 392
 393
 394 BlackboxWindow *Workspace::getWindow(unsigned int index) {
 395   if (index < windowList.size()) {
 396     BlackboxWindowList::iterator it = windowList.begin();
 397     for(; index > 0; --index, ++it); /* increment to index */
 398     return *it;
 399   }
 400   return 0;
 401 }
 402
 403
 404 BlackboxWindow*
 405 Workspace::getNextWindowInList(BlackboxWindow *w) {
 406   BlackboxWindowList::iterator it = std::find(windowList.begin(),
 407                                               windowList.end(),
 408                                               w);
 409   assert(it != windowList.end());   // window must be in list
 410   ++it;                             // next window
 411   if (it == windowList.end())
 412     return windowList.front();      // if we walked off the end, wrap around
 413
 414   return *it;
 415 }
 416
 417
 418 BlackboxWindow* Workspace::getPrevWindowInList(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   if (it == windowList.begin())
 424     return windowList.back();     // if we walked of the front, wrap around
 425
 426   return *(--it);
 427 }
 428
 429
 430 BlackboxWindow* Workspace::getTopWindowOnStack(void) const {
 431   return stackingList.front();
 432 }
 433
 434
 435 void Workspace::sendWindowList(Netizen &n) {
 436   BlackboxWindowList::iterator it = windowList.begin(),
 437     end = windowList.end();
 438   for(; it != end; ++it)
 439     n.sendWindowAdd((*it)->getClientWindow(), getID());
 440 }
 441
 442
 443 unsigned int Workspace::getCount(void) const {
 444   return windowList.size();
 445 }
 446
 447
 448 void Workspace::appendStackOrder(BlackboxWindowList &stack_order) const {
 449   BlackboxWindowList::const_reverse_iterator it = stackingList.rbegin();
 450   const BlackboxWindowList::const_reverse_iterator end = stackingList.rend();
 451   for (; it != end; ++it)
 452     if ((*it)->isNormal())
 453       stack_order.push_back(*it);
 454 }
 455
 456
 457 bool Workspace::isCurrent(void) const {
 458   return (id == screen->getCurrentWorkspaceID());
 459 }
 460
 461
 462 bool Workspace::isLastWindow(const BlackboxWindow* const w) const {
 463   return (w == windowList.back());
 464 }
 465
 466
 467 void Workspace::setCurrent(void) {
 468   screen->changeWorkspaceID(id);
 469 }
 470
 471
 472 void Workspace::readName(void) {
 473   XAtom::StringVect namesList;
 474   unsigned long numnames = id + 1;
 475
 476   // attempt to get from the _NET_WM_DESKTOP_NAMES property
 477   if (xatom->getValue(screen->getRootWindow(), XAtom::net_desktop_names,
 478                       XAtom::utf8, numnames, namesList) &&
 479       namesList.size() > id) {
 480     name = namesList[id];
 481
 482     clientmenu->setLabel(name);
 483     clientmenu->update();
 484   } else {
 485     /*
 486        Use a default name. This doesn't actually change the class. That will
 487        happen after the setName changes the root property, and that change
 488        makes its way back to this function.
 489     */
 490     string tmp =i18n(WorkspaceSet, WorkspaceDefaultNameFormat,
 491                      "Workspace %d");
 492     assert(tmp.length() < 32);
 493     char default_name[32];
 494     sprintf(default_name, tmp.c_str(), id + 1);
 495
 496     setName(default_name);  // save this into the _NET_WM_DESKTOP_NAMES property
 497   }
 498 }
 499
 500
 501 void Workspace::setName(const string& new_name) {
 502   // set the _NET_WM_DESKTOP_NAMES property with the new name
 503   XAtom::StringVect namesList;
 504   unsigned long numnames = (unsigned) -1;
 505   if (xatom->getValue(screen->getRootWindow(), XAtom::net_desktop_names,
 506                       XAtom::utf8, numnames, namesList) &&
 507       namesList.size() > id)
 508     namesList[id] = new_name;
 509   else
 510     namesList.push_back(new_name);
 511
 512   xatom->setValue(screen->getRootWindow(), XAtom::net_desktop_names,
 513                   XAtom::utf8, namesList);
 514 }
 515
 516
 517 /*
 518  * Calculate free space available for window placement.
 519  */
 520 typedef std::vector<Rect> rectList;
 521
 522 static rectList calcSpace(const Rect &win, const rectList &spaces) {
 523   Rect isect, extra;
 524   rectList result;
 525   rectList::const_iterator siter, end = spaces.end();
 526   for (siter = spaces.begin(); siter != end; ++siter) {
 527     const Rect &curr = *siter;
 528
 529     if(! win.intersects(curr)) {
 530       result.push_back(curr);
 531       continue;
 532     }
 533
 534     /* Use an intersection of win and curr to determine the space around
 535      * curr that we can use.
 536      *
 537      * NOTE: the spaces calculated can overlap.
 538      */
 539     isect = curr & win;
 540
 541     // left
 542     extra.setCoords(curr.left(), curr.top(),
 543                     isect.left() - 1, curr.bottom());
 544     if (extra.valid()) result.push_back(extra);
 545
 546     // top
 547     extra.setCoords(curr.left(), curr.top(),
 548                     curr.right(), isect.top() - 1);
 549     if (extra.valid()) result.push_back(extra);
 550
 551     // right
 552     extra.setCoords(isect.right() + 1, curr.top(),
 553                     curr.right(), curr.bottom());
 554     if (extra.valid()) result.push_back(extra);
 555
 556     // bottom
 557     extra.setCoords(curr.left(), isect.bottom() + 1,
 558                     curr.right(), curr.bottom());
 559     if (extra.valid()) result.push_back(extra);
 560   }
 561   return result;
 562 }
 563
 564
 565 static bool rowRLBT(const Rect &first, const Rect &second) {
 566   if (first.bottom() == second.bottom())
 567     return first.right() > second.right();
 568   return first.bottom() > second.bottom();
 569 }
 570
 571 static bool rowRLTB(const Rect &first, const Rect &second) {
 572   if (first.y() == second.y())
 573     return first.right() > second.right();
 574   return first.y() < second.y();
 575 }
 576
 577 static bool rowLRBT(const Rect &first, const Rect &second) {
 578   if (first.bottom() == second.bottom())
 579     return first.x() < second.x();
 580   return first.bottom() > second.bottom();
 581 }
 582
 583 static bool rowLRTB(const Rect &first, const Rect &second) {
 584   if (first.y() == second.y())
 585     return first.x() < second.x();
 586   return first.y() < second.y();
 587 }
 588
 589 static bool colLRTB(const Rect &first, const Rect &second) {
 590   if (first.x() == second.x())
 591     return first.y() < second.y();
 592   return first.x() < second.x();
 593 }
 594
 595 static bool colLRBT(const Rect &first, const Rect &second) {
 596   if (first.x() == second.x())
 597     return first.bottom() > second.bottom();
 598   return first.x() < second.x();
 599 }
 600
 601 static bool colRLTB(const Rect &first, const Rect &second) {
 602   if (first.right() == second.right())
 603     return first.y() < second.y();
 604   return first.right() > second.right();
 605 }
 606
 607 static bool colRLBT(const Rect &first, const Rect &second) {
 608   if (first.right() == second.right())
 609     return first.bottom() > second.bottom();
 610   return first.right() > second.right();
 611 }
 612
 613
 614 bool Workspace::smartPlacement(Rect& win) {
 615   rectList spaces;
 616
 617   //initially the entire screen is free
 618 #ifdef    XINERAMA
 619   if (screen->isXineramaActive() &&
 620       screen->getBlackbox()->doXineramaPlacement()) {
 621     RectList availableAreas = screen->allAvailableAreas();
 622     RectList::iterator it, end = availableAreas.end();
 623
 624     for (it = availableAreas.begin(); it != end; ++it)
 625       spaces.push_back(*it);
 626   } else
 627 #endif // XINERAMA
 628     spaces.push_back(screen->availableArea());
 629
 630   //Find Free Spaces
 631   BlackboxWindowList::const_iterator wit = windowList.begin(),
 632     end = windowList.end();
 633   Rect tmp;
 634   for (; wit != end; ++wit) {
 635     const BlackboxWindow* const curr = *wit;
 636
 637     // watch for shaded windows and full-maxed windows
 638     if (curr->isShaded()) {
 639       if (screen->getPlaceIgnoreShaded()) continue;
 640     } else if (curr->isMaximizedFull()) {
 641       if (screen->getPlaceIgnoreMaximized()) continue;
 642     }
 643
 644     tmp.setRect(curr->frameRect().x(), curr->frameRect().y(),
 645                 curr->frameRect().width() + screen->getBorderWidth(),
 646                 curr->frameRect().height() + screen->getBorderWidth());
 647
 648     spaces = calcSpace(tmp, spaces);
 649   }
 650
 651   if (screen->getPlacementPolicy() == BScreen::RowSmartPlacement) {
 652     if(screen->getRowPlacementDirection() == BScreen::LeftRight) {
 653       if(screen->getColPlacementDirection() == BScreen::TopBottom)
 654         std::sort(spaces.begin(), spaces.end(), rowLRTB);
 655       else
 656         std::sort(spaces.begin(), spaces.end(), rowLRBT);
 657     } else {
 658       if(screen->getColPlacementDirection() == BScreen::TopBottom)
 659         std::sort(spaces.begin(), spaces.end(), rowRLTB);
 660       else
 661         std::sort(spaces.begin(), spaces.end(), rowRLBT);
 662     }
 663   } else {
 664     if(screen->getColPlacementDirection() == BScreen::TopBottom) {
 665       if(screen->getRowPlacementDirection() == BScreen::LeftRight)
 666         std::sort(spaces.begin(), spaces.end(), colLRTB);
 667       else
 668         std::sort(spaces.begin(), spaces.end(), colRLTB);
 669     } else {
 670       if(screen->getRowPlacementDirection() == BScreen::LeftRight)
 671         std::sort(spaces.begin(), spaces.end(), colLRBT);
 672       else
 673         std::sort(spaces.begin(), spaces.end(), colRLBT);
 674     }
 675   }
 676
 677   rectList::const_iterator sit = spaces.begin(), spaces_end = spaces.end();
 678   for(; sit != spaces_end; ++sit) {
 679     if (sit->width() >= win.width() && sit->height() >= win.height())
 680       break;
 681   }
 682
 683   if (sit == spaces_end)
 684     return False;
 685
 686   //set new position based on the empty space found
 687   const Rect& where = *sit;
 688   win.setX(where.x());
 689   win.setY(where.y());
 690
 691   // adjust the location() based on left/right and top/bottom placement
 692   if (screen->getPlacementPolicy() == BScreen::RowSmartPlacement) {
 693     if (screen->getRowPlacementDirection() == BScreen::RightLeft)
 694       win.setX(where.right() - win.width());
 695     if (screen->getColPlacementDirection() == BScreen::BottomTop)
 696       win.setY(where.bottom() - win.height());
 697   } else {
 698     if (screen->getColPlacementDirection() == BScreen::BottomTop)
 699       win.setY(win.y() + where.height() - win.height());
 700     if (screen->getRowPlacementDirection() == BScreen::RightLeft)
 701       win.setX(win.x() + where.width() - win.width());
 702   }
 703   return True;
 704 }
 705
 706
 707 bool Workspace::underMousePlacement(Rect &win) {
 708   int x, y, rx, ry;
 709   Window c, r;
 710   unsigned int m;
 711   XQueryPointer(screen->getBlackbox()->getXDisplay(), screen->getRootWindow(),
 712                 &r, &c, &rx, &ry, &x, &y, &m);
 713
 714   Rect area;
 715 #ifdef    XINERAMA
 716   if (screen->isXineramaActive() &&
 717       screen->getBlackbox()->doXineramaPlacement()) {
 718     RectList availableAreas = screen->allAvailableAreas();
 719     RectList::iterator it, end = availableAreas.end();
 720
 721     for (it = availableAreas.begin(); it != end; ++it)
 722       if (it->contains(rx, ry)) break;
 723     assert(it != end);  // the mouse isn't inside an area?
 724     area = *it;
 725   } else
 726 #endif // XINERAMA
 727     area = screen->availableArea();
 728
 729   x = rx - win.width() / 2;
 730   y = ry - win.height() / 2;
 731
 732   if (x < area.x())
 733     x = area.x();
 734   if (y < area.y())
 735     y = area.y();
 736   if (x + win.width() > area.x() + area.width())
 737     x = area.x() + area.width() - win.width();
 738   if (y + win.height() > area.y() + area.height())
 739     y = area.y() + area.height() - win.height();
 740
 741   win.setX(x);
 742   win.setY(y);
 743
 744   return True;
 745 }
 746
 747
 748 bool Workspace::cascadePlacement(Rect &win, const int offset) {
 749   Rect area;
 750
 751 #ifdef    XINERAMA
 752   if (screen->isXineramaActive() &&
 753       screen->getBlackbox()->doXineramaPlacement()) {
 754     area = screen->allAvailableAreas()[cascade_region];
 755   } else
 756 #endif // XINERAMA
 757     area = screen->availableArea();
 758
 759   if ((static_cast<signed>(cascade_x + win.width()) > area.right() + 1) ||
 760       (static_cast<signed>(cascade_y + win.height()) > area.bottom() + 1)) {
 761     cascade_x = cascade_y = 0;
 762 #ifdef    XINERAMA
 763     if (screen->isXineramaActive() &&
 764         screen->getBlackbox()->doXineramaPlacement()) {
 765       // go to the next xinerama region, and use its area
 766       if (++cascade_region >= screen->allAvailableAreas().size())
 767         cascade_region = 0;
 768       area = screen->allAvailableAreas()[cascade_region];
 769     }
 770 #endif // XINERAMA
 771   }
 772
 773   if (cascade_x == 0) {
 774     cascade_x = area.x() + offset;
 775     cascade_y = area.y() + offset;
 776   }
 777
 778   win.setPos(cascade_x, cascade_y);
 779
 780   cascade_x += offset;
 781   cascade_y += offset;
 782
 783   return True;
 784 }
 785
 786
 787 void Workspace::placeWindow(BlackboxWindow *win) {
 788   Rect new_win(0, 0, win->frameRect().width(), win->frameRect().height());
 789   bool placed = False;
 790
 791   switch (screen->getPlacementPolicy()) {
 792   case BScreen::RowSmartPlacement:
 793   case BScreen::ColSmartPlacement:
 794     placed = smartPlacement(new_win);
 795     break;
 796   case BScreen::UnderMousePlacement:
 797   case BScreen::ClickMousePlacement:
 798     placed = underMousePlacement(new_win);
 799   default:
 800     break; // handled below
 801   } // switch
 802
 803   if (placed == False)
 804     cascadePlacement(new_win, (win->getTitleHeight() +
 805                                screen->getBorderWidth() * 2));
 806
 807   if (new_win.right() > screen->availableArea().right())
 808     new_win.setX(screen->availableArea().left());
 809   if (new_win.bottom() > screen->availableArea().bottom())
 810     new_win.setY(screen->availableArea().top());
 811
 812   win->configure(new_win.x(), new_win.y(), new_win.width(), new_win.height());
 813 }