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