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