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