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

   1 // Workspace.cc for Openbox
   2 // Copyright (c) 2002 - 2002 Ben Jansens (ben@orodu.net)
   3 // Copyright (c) 2001 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 // stupid macros needed to access some functions in version 2 of the GNU C
  25 // library
  26 #ifndef   _GNU_SOURCE
  27 #define   _GNU_SOURCE
  28 #endif // _GNU_SOURCE
  29
  30 #ifdef    HAVE_CONFIG_H
  31 #  include "../config.h"
  32 #endif // HAVE_CONFIG_H
  33
  34 #include <X11/Xlib.h>
  35 #include <X11/Xatom.h>
  36
  37 #include "i18n.h"
  38 #include "openbox.h"
  39 #include "Clientmenu.h"
  40 #include "Screen.h"
  41 #include "Toolbar.h"
  42 #include "Window.h"
  43 #include "Workspace.h"
  44
  45 #include "Windowmenu.h"
  46 #include "Geometry.h"
  47 #include "Util.h"
  48
  49 #ifdef    HAVE_STDIO_H
  50 #  include <stdio.h>
  51 #endif // HAVE_STDIO_H
  52
  53 #ifdef    HAVE_STDLIB_H
  54 #  include <stdlib.h>
  55 #endif // HAVE_STDLIB_H
  56
  57 #ifdef    HAVE_STRING_H
  58 #  include <string.h>
  59 #endif // HAVE_STRING_H
  60
  61 #include <vector>
  62 #include <algorithm>
  63 typedef vector<Rect> rectList;
  64
  65 Workspace::Workspace(BScreen &scrn, int i) : screen(scrn) {
  66
  67   cascade_x = cascade_y = 0;
  68
  69   id = i;
  70
  71   stackingList = new LinkedList<OpenboxWindow>;
  72   windowList = new LinkedList<OpenboxWindow>;
  73   clientmenu = new Clientmenu(*this);
  74
  75   lastfocus = (OpenboxWindow *) 0;
  76
  77   name = (char *) 0;
  78   char *tmp = screen.getNameOfWorkspace(id);
  79   setName(tmp);
  80 }
  81
  82
  83 Workspace::~Workspace(void) {
  84   delete stackingList;
  85   delete windowList;
  86   delete clientmenu;
  87
  88   if (name)
  89     delete [] name;
  90 }
  91
  92
  93 const int Workspace::addWindow(OpenboxWindow *w, Bool place) {
  94   if (! w) return -1;
  95
  96   if (place) placeWindow(*w);
  97
  98   w->setWorkspace(id);
  99   w->setWindowNumber(windowList->count());
 100
 101   stackingList->insert(w, 0);
 102   windowList->insert(w);
 103
 104   clientmenu->insert((const char **) w->getTitle());
 105   clientmenu->update();
 106
 107   screen.updateNetizenWindowAdd(w->getClientWindow(), id);
 108
 109   raiseWindow(w);
 110
 111   return w->getWindowNumber();
 112 }
 113
 114
 115 const int Workspace::removeWindow(OpenboxWindow *w) {
 116   if (! w) return -1;
 117
 118   stackingList->remove(w);
 119
 120   if (w->isFocused()) {
 121     if (w->isTransient() && w->getTransientFor() &&
 122         w->getTransientFor()->isVisible()) {
 123       w->getTransientFor()->setInputFocus();
 124     } else if (screen.sloppyFocus()) {
 125       screen.getOpenbox().setFocusedWindow((OpenboxWindow *) 0);
 126     } else {
 127       OpenboxWindow *top = stackingList->first();
 128       if (! top || ! top->setInputFocus()) {
 129         screen.getOpenbox().setFocusedWindow((OpenboxWindow *) 0);
 130         XSetInputFocus(screen.getOpenbox().getXDisplay(),
 131                        screen.getToolbar()->getWindowID(),
 132                        RevertToParent, CurrentTime);
 133       }
 134     }
 135   }
 136
 137   if (lastfocus == w)
 138     lastfocus = (OpenboxWindow *) 0;
 139
 140   windowList->remove(w->getWindowNumber());
 141   clientmenu->remove(w->getWindowNumber());
 142   clientmenu->update();
 143
 144   screen.updateNetizenWindowDel(w->getClientWindow());
 145
 146   LinkedListIterator<OpenboxWindow> it(windowList);
 147   OpenboxWindow *bw = it.current();
 148   for (int i = 0; bw; it++, i++, bw = it.current())
 149     bw->setWindowNumber(i);
 150
 151   return windowList->count();
 152 }
 153
 154
 155 void Workspace::showAll(void) {
 156   LinkedListIterator<OpenboxWindow> it(stackingList);
 157   for (OpenboxWindow *bw = it.current(); bw; it++, bw = it.current())
 158     bw->deiconify(False, False);
 159 }
 160
 161
 162 void Workspace::hideAll(void) {
 163   LinkedList<OpenboxWindow> lst;
 164
 165   LinkedListIterator<OpenboxWindow> it(stackingList);
 166   for (OpenboxWindow *bw = it.current(); bw; it++, bw = it.current())
 167     lst.insert(bw, 0);
 168
 169   LinkedListIterator<OpenboxWindow> it2(&lst);
 170   for (OpenboxWindow *bw = it2.current(); bw; it2++, bw = it2.current())
 171     if (! bw->isStuck())
 172       bw->withdraw();
 173 }
 174
 175
 176 void Workspace::removeAll(void) {
 177   LinkedListIterator<OpenboxWindow> it(windowList);
 178   for (OpenboxWindow *bw = it.current(); bw; it++, bw = it.current())
 179     bw->iconify();
 180 }
 181
 182
 183 void Workspace::raiseWindow(OpenboxWindow *w) {
 184   OpenboxWindow *win = (OpenboxWindow *) 0, *bottom = w;
 185
 186   while (bottom->isTransient() && bottom->getTransientFor())
 187     bottom = bottom->getTransientFor();
 188
 189   int i = 1;
 190   win = bottom;
 191   while (win->hasTransient() && win->getTransient()) {
 192     win = win->getTransient();
 193
 194     i++;
 195   }
 196
 197   Window *nstack = new Window[i], *curr = nstack;
 198   Workspace *wkspc;
 199
 200   win = bottom;
 201   while (True) {
 202     *(curr++) = win->getFrameWindow();
 203     screen.updateNetizenWindowRaise(win->getClientWindow());
 204
 205     if (! win->isIconic()) {
 206       wkspc = screen.getWorkspace(win->getWorkspaceNumber());
 207       wkspc->stackingList->remove(win);
 208       wkspc->stackingList->insert(win, 0);
 209     }
 210
 211     if (! win->hasTransient() || ! win->getTransient())
 212       break;
 213
 214     win = win->getTransient();
 215   }
 216
 217   screen.raiseWindows(nstack, i);
 218
 219   delete [] nstack;
 220 }
 221
 222
 223 void Workspace::lowerWindow(OpenboxWindow *w) {
 224   OpenboxWindow *win = (OpenboxWindow *) 0, *bottom = w;
 225
 226   while (bottom->isTransient() && bottom->getTransientFor())
 227     bottom = bottom->getTransientFor();
 228
 229   int i = 1;
 230   win = bottom;
 231   while (win->hasTransient() && win->getTransient()) {
 232     win = win->getTransient();
 233
 234     i++;
 235   }
 236
 237   Window *nstack = new Window[i], *curr = nstack;
 238   Workspace *wkspc;
 239
 240   while (True) {
 241     *(curr++) = win->getFrameWindow();
 242     screen.updateNetizenWindowLower(win->getClientWindow());
 243
 244     if (! win->isIconic()) {
 245       wkspc = screen.getWorkspace(win->getWorkspaceNumber());
 246       wkspc->stackingList->remove(win);
 247       wkspc->stackingList->insert(win);
 248     }
 249
 250     if (! win->getTransientFor())
 251       break;
 252
 253     win = win->getTransientFor();
 254   }
 255
 256   screen.getOpenbox().grab();
 257
 258   XLowerWindow(screen.getBaseDisplay().getXDisplay(), *nstack);
 259   XRestackWindows(screen.getBaseDisplay().getXDisplay(), nstack, i);
 260
 261   screen.getOpenbox().ungrab();
 262
 263   delete [] nstack;
 264 }
 265
 266
 267 void Workspace::reconfigure(void) {
 268   clientmenu->reconfigure();
 269
 270   LinkedListIterator<OpenboxWindow> it(windowList);
 271   for (OpenboxWindow *bw = it.current(); bw; it++, bw = it.current()) {
 272     if (bw->validateClient())
 273       bw->reconfigure();
 274   }
 275 }
 276
 277
 278 OpenboxWindow *Workspace::getWindow(int index) {
 279   if ((index >= 0) && (index < windowList->count()))
 280     return windowList->find(index);
 281   else
 282     return 0;
 283 }
 284
 285
 286 const int Workspace::getCount(void) {
 287   return windowList->count();
 288 }
 289
 290
 291 void Workspace::update(void) {
 292   clientmenu->update();
 293   screen.getToolbar()->redrawWindowLabel(True);
 294 }
 295
 296
 297 Bool Workspace::isCurrent(void) {
 298   return (id == screen.getCurrentWorkspaceID());
 299 }
 300
 301
 302 Bool Workspace::isLastWindow(OpenboxWindow *w) {
 303   return (w == windowList->last());
 304 }
 305
 306 void Workspace::setCurrent(void) {
 307   screen.changeWorkspaceID(id);
 308 }
 309
 310
 311 void Workspace::setName(char *new_name) {
 312   if (name)
 313     delete [] name;
 314
 315   if (new_name) {
 316     name = bstrdup(new_name);
 317   } else {
 318     name = new char[128];
 319     sprintf(name, i18n->getMessage(WorkspaceSet, WorkspaceDefaultNameFormat,
 320                                    "Workspace %d"), id + 1);
 321   }
 322
 323   clientmenu->setLabel(name);
 324   clientmenu->update();
 325   screen.saveWorkspaceNames();
 326 }
 327
 328
 329 void Workspace::shutdown(void) {
 330   while (windowList->count()) {
 331     windowList->first()->restore();
 332     delete windowList->first();
 333   }
 334 }
 335
 336 static rectList calcSpace(const Rect &win, const rectList &spaces) {
 337   rectList result;
 338   rectList::const_iterator siter;
 339   for(siter=spaces.begin(); siter!=spaces.end(); ++siter) {
 340     if(win.Intersect(*siter)) {
 341       //Check for space to the left of the window
 342       if(win.x() > siter->x())
 343         result.push_back(Rect(siter->x(), siter->y(),
 344                               win.x() - siter->x() - 1,
 345                               siter->h()));
 346       //Check for space above the window
 347       if(win.y() > siter->y())
 348         result.push_back(Rect(siter->x(), siter->y(),
 349                               siter->w(),
 350                               win.y() - siter->y() - 1));
 351       //Check for space to the right of the window
 352       if((win.x()+win.w()) <
 353          (siter->x()+siter->w()))
 354         result.push_back(Rect(win.x() + win.w() + 1,
 355                               siter->y(),
 356                               siter->x() + siter->w() -
 357                               win.x() - win.w() - 1,
 358                               siter->h()));
 359       //Check for space below the window
 360       if((win.y()+win.h()) <
 361          (siter->y()+siter->h()))
 362         result.push_back(Rect(siter->x(),
 363                               win.y() + win.h() + 1,
 364                               siter->w(),
 365                               siter->y() + siter->h()-
 366                               win.y() - win.h() - 1));
 367
 368     }
 369     else
 370       result.push_back(*siter);
 371   }
 372   return result;
 373 }
 374
 375
 376 bool incWidth(const Rect &first, const Rect &second) {
 377   return first.x() < second.x();
 378 }
 379
 380
 381 bool decWidth(const Rect &first, const Rect &second) {
 382   if (second.x() == first.x())
 383      return second.w() < first.w();
 384   return second.x() < first.x();
 385 }
 386
 387
 388 bool incHeight(const Rect &first, const Rect &second) {
 389   return first.y() < second.y();
 390 }
 391
 392
 393 bool decHeight(const Rect &first, const Rect &second) {
 394   if (second.y() == first.y())
 395      return second.h() < first.h();
 396   return second.y() < first.y();
 397 }
 398
 399
 400 //BestFitPlacement finds the smallest free space that fits the window
 401 //to be placed. It currentl ignores whether placement is right to left or top
 402 //to bottom.
 403 Point *Workspace::bestFitPlacement(const Size &win_size, const Rect &space) {
 404   const Rect *best;
 405   rectList spaces;
 406   LinkedListIterator<OpenboxWindow> it(windowList);
 407   rectList::const_iterator siter;
 408   spaces.push_back(space); //initially the entire screen is free
 409   it.reset();
 410
 411   //Find Free Spaces
 412   for (OpenboxWindow *cur=it.current(); cur!=NULL; it++, cur=it.current())
 413      spaces = calcSpace(cur->area().Inflate(screen.getBorderWidth() * 4),
 414                         spaces);
 415
 416   //Sort the spaces by placement choice
 417   if (screen.rowPlacementDirection() == BScreen::TopBottom)
 418      sort(spaces.begin(), spaces.end(), decHeight);
 419   else
 420      sort(spaces.begin(), spaces.end(), incHeight);
 421   if (screen.colPlacementDirection() == BScreen::TopBottom)
 422      stable_sort(spaces.begin(), spaces.end(), incHeight);
 423   else
 424      stable_sort(spaces.begin(), spaces.end(), decHeight);
 425
 426   //Find first space that fits the window
 427   best = NULL;
 428   for (siter=spaces.begin(); siter!=spaces.end(); ++siter) {
 429     if ((siter->w() >= win_size.w()) && (siter->h() >= win_size.h())) {
 430       if (best==NULL)
 431         best = siter;
 432       else if(siter->w()*siter->h()<best->h()*best->w())
 433         best = siter;
 434     }
 435   }
 436   if (best != NULL) {
 437     Point *pt = new Point(best->origin());
 438     if (screen.colPlacementDirection() != BScreen::TopBottom)
 439       pt->setY(pt->y() + (best->h() - win_size.h()));
 440     if (screen.rowPlacementDirection() != BScreen::LeftRight)
 441       pt->setX(pt->x() + (best->w() - win_size.w()));
 442     return pt;
 443   } else
 444     return NULL; //fall back to cascade
 445 }
 446
 447 Point *Workspace::underMousePlacement(const Size &win_size, const Rect &space) {
 448   Point *pt;
 449
 450   int x, y, rx, ry;
 451   Window c, r;
 452   unsigned int m;
 453   XQueryPointer(screen.getOpenbox().getXDisplay(), screen.getRootWindow(),
 454                 &r, &c, &rx, &ry, &x, &y, &m);
 455   pt = new Point(rx - win_size.w() / 2, ry - win_size.h() / 2);
 456
 457   if (pt->x() < space.x())
 458     pt->setX(space.x());
 459   if (pt->y() < space.y())
 460     pt->setY(space.y());
 461   if (pt->x() + win_size.w() > space.x() + space.w())
 462     pt->setX(space.x() + space.w() - win_size.w());
 463   if (pt->y() + win_size.h() > space.y() + space.h())
 464     pt->setY(space.y() + space.h() - win_size.h());
 465   return pt;
 466 }
 467
 468 Point *Workspace::rowSmartPlacement(const Size &win_size, const Rect &space) {
 469   bool placed=false;
 470   int test_x, test_y, place_x = 0, place_y = 0;
 471   int start_pos = 0;
 472   int change_y =
 473      ((screen.colPlacementDirection() == BScreen::TopBottom) ? 1 : -1);
 474   int change_x =
 475      ((screen.rowPlacementDirection() == BScreen::LeftRight) ? 1 : -1);
 476   int delta_x = 8, delta_y = 8;
 477   LinkedListIterator<OpenboxWindow> it(windowList);
 478
 479   test_y = (screen.colPlacementDirection() == BScreen::TopBottom) ?
 480     start_pos : screen.size().h() - win_size.h() - start_pos;
 481
 482   while(!placed &&
 483         ((screen.colPlacementDirection() == BScreen::BottomTop) ?
 484          test_y > 0 : test_y + win_size.h() < (signed) space.h())) {
 485     test_x = (screen.rowPlacementDirection() == BScreen::LeftRight) ?
 486       start_pos : space.w() - win_size.w() - start_pos;
 487     while (!placed &&
 488            ((screen.rowPlacementDirection() == BScreen::RightLeft) ?
 489             test_x > 0 : test_x + win_size.w() < (signed) space.w())) {
 490       placed = true;
 491
 492       it.reset();
 493       for (OpenboxWindow *curr = it.current(); placed && curr;
 494            it++, curr = it.current()) {
 495         int curr_w = curr->area().w() + (screen.getBorderWidth() * 4);
 496         int curr_h = curr->area().h() + (screen.getBorderWidth() * 4);
 497
 498         if (curr->area().x() < test_x + win_size.w() &&
 499             curr->area().x() + curr_w > test_x &&
 500             curr->area().y() < test_y + win_size.h() &&
 501             curr->area().y() + curr_h > test_y) {
 502           placed = false;
 503         }
 504       }
 505
 506       // Removed code for checking toolbar and slit
 507       // The space passed in should not include either
 508
 509       if (placed) {
 510         place_x = test_x;
 511         place_y = test_y;
 512
 513         break;
 514       }
 515
 516       test_x += (change_x * delta_x);
 517     }
 518
 519     test_y += (change_y * delta_y);
 520   }
 521   if (placed)
 522     return new Point(place_x, place_y);
 523   else
 524     return NULL; // fall back to cascade
 525 }
 526
 527 Point *Workspace::colSmartPlacement(const Size &win_size, const Rect &space) {
 528   Point *pt;
 529   bool placed=false;
 530   int test_x, test_y;
 531   int start_pos = 0;
 532   int change_y =
 533     ((screen.colPlacementDirection() == BScreen::TopBottom) ? 1 : -1);
 534   int change_x =
 535     ((screen.rowPlacementDirection() == BScreen::LeftRight) ? 1 : -1);
 536   int delta_x = 8, delta_y = 8;
 537   LinkedListIterator<OpenboxWindow> it(windowList);
 538
 539   test_x = (screen.rowPlacementDirection() == BScreen::LeftRight) ?
 540     start_pos : screen.size().w() - win_size.w() - start_pos;
 541
 542   while(!placed &&
 543         ((screen.rowPlacementDirection() == BScreen::RightLeft) ?
 544          test_x > 0 : test_x + win_size.w() < (signed) space.w())) {
 545     test_y = (screen.colPlacementDirection() == BScreen::TopBottom) ?
 546       start_pos : screen.size().h() - win_size.h() - start_pos;
 547
 548     while(!placed &&
 549           ((screen.colPlacementDirection() == BScreen::BottomTop) ?
 550            test_y > 0 : test_y + win_size.h() < (signed) space.h())){
 551
 552       placed = true;
 553
 554       it.reset();
 555       for (OpenboxWindow *curr = it.current(); placed && curr;
 556            it++, curr = it.current()) {
 557         int curr_w = curr->area().w() + (screen.getBorderWidth() * 4);
 558         int curr_h = curr->area().h() + (screen.getBorderWidth() * 4);
 559
 560         if (curr->area().x() < test_x + win_size.w() &&
 561             curr->area().x() + curr_w > test_x &&
 562             curr->area().y() < test_y + win_size.h() &&
 563             curr->area().y() + curr_h > test_y) {
 564           placed = False;
 565         }
 566       }
 567
 568       // Removed code checking for intersection with Toolbar and Slit
 569       // The space passed to this method should not include either
 570
 571       if (placed) {
 572         pt= new Point(test_x,test_y);
 573
 574         break;
 575       }
 576
 577       test_y += (change_y * delta_y);
 578     }
 579
 580     test_x += (change_x * delta_x);
 581   }
 582   if (placed)
 583     return pt;
 584   else
 585     return NULL;
 586 }
 587
 588
 589 Point *const Workspace::cascadePlacement(const OpenboxWindow &win,
 590                                          const Rect &space) {
 591   if ((cascade_x + win.area().w() + screen.getBorderWidth() * 2 >
 592        (space.x() + space.w())) ||
 593       (cascade_y + win.area().h() + screen.getBorderWidth() * 2 >
 594        (space.y() + space.h())))
 595     cascade_x = cascade_y = 0;
 596   if (cascade_x < space.x() || cascade_y < space.y()) {
 597     cascade_x = space.x();
 598     cascade_y = space.y();
 599   }
 600
 601   Point *p = new Point(cascade_x, cascade_y);
 602   cascade_x += win.getTitleHeight();
 603   cascade_y += win.getTitleHeight();
 604   return p;
 605 }
 606
 607
 608 void Workspace::placeWindow(OpenboxWindow &win) {
 609   Rect space = screen.availableArea();
 610   const Size window_size(win.area().w()+screen.getBorderWidth() * 2,
 611                          win.area().h()+screen.getBorderWidth() * 2);
 612   Point *place = NULL;
 613   LinkedListIterator<OpenboxWindow> it(windowList);
 614
 615   switch (screen.placementPolicy()) {
 616   case BScreen::BestFitPlacement:
 617     place = bestFitPlacement(window_size, space);
 618     break;
 619   case BScreen::RowSmartPlacement:
 620     place = rowSmartPlacement(window_size, space);
 621     break;
 622   case BScreen::ColSmartPlacement:
 623     place = colSmartPlacement(window_size, space);
 624     break;
 625   case BScreen::UnderMousePlacement:
 626     place = underMousePlacement(window_size, space);
 627     break;
 628   } // switch
 629
 630   if (place == NULL)
 631     place = cascadePlacement(win, space);
 632
 633   ASSERT(place != NULL);
 634   if (place->x() + window_size.w() > (signed) space.x() + space.w())
 635     place->setX(((signed) space.x() + space.w() - window_size.w()) / 2);
 636   if (place->y() + window_size.h() > (signed) space.y() + space.h())
 637     place->setY(((signed) space.y() + space.h() - window_size.h()) / 2);
 638
 639   win.configure(place->x(), place->y(), win.area().w(), win.area().h());
 640   delete place;
 641 }