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 bool rowRLBT(const Rect &first, const Rect &second){
 376   if (first.y()+first.h()==second.y()+second.h())
 377      return first.x()+first.w()>second.x()+second.w();
 378   return first.y()+first.h()>second.y()+second.h();
 379 }
 380
 381 bool rowRLTB(const Rect &first, const Rect &second){
 382   if (first.y()==second.y())
 383      return first.x()+first.w()>second.x()+second.w();
 384   return first.y()<second.y();
 385 }
 386
 387 bool rowLRBT(const Rect &first, const Rect &second){
 388   if (first.y()+first.h()==second.y()+second.h())
 389      return first.x()<second.x();
 390   return first.y()+first.h()>second.y()+second.h();
 391 }
 392
 393 bool rowLRTB(const Rect &first, const Rect &second){
 394   if (first.y()==second.y())
 395      return first.x()<second.x();
 396   return first.y()<second.y();
 397 }
 398
 399 bool colLRTB(const Rect &first, const Rect &second){
 400   if (first.x()==second.x())
 401      return first.y()<second.y();
 402   return first.x()<second.x();
 403 }
 404
 405 bool colLRBT(const Rect &first, const Rect &second){
 406   if (first.x()==second.x())
 407      return first.y()+first.h()>second.y()+second.h();
 408   return first.x()<second.x();
 409 }
 410
 411 bool colRLTB(const Rect &first, const Rect &second){
 412   if (first.x()+first.w()==second.x()+second.w())
 413      return first.y()<second.y();
 414   return first.x()+first.w()>second.x()+second.w();
 415 }
 416
 417 bool colRLBT(const Rect &first, const Rect &second){
 418   if (first.x()+first.w()==second.x()+second.w())
 419      return first.y()+first.h()>second.y()+second.h();
 420   return first.x()+first.w()>second.x()+second.w();
 421 }
 422
 423
 424 //BestFitPlacement finds the smallest free space that fits the window
 425 //to be placed. It currentl ignores whether placement is right to left or top
 426 //to bottom.
 427 Point *Workspace::bestFitPlacement(const Size &win_size, const Rect &space) {
 428   const Rect *best;
 429   rectList spaces;
 430   LinkedListIterator<OpenboxWindow> it(windowList);
 431   rectList::const_iterator siter;
 432   spaces.push_back(space); //initially the entire screen is free
 433   it.reset();
 434
 435   //Find Free Spaces
 436   for (OpenboxWindow *cur=it.current(); cur!=NULL; it++, cur=it.current())
 437      spaces = calcSpace(cur->area().Inflate(screen.getBorderWidth() * 4),
 438                         spaces);
 439
 440   //Find first space that fits the window
 441   best = NULL;
 442   for (siter=spaces.begin(); siter!=spaces.end(); ++siter) {
 443     if ((siter->w() >= win_size.w()) && (siter->h() >= win_size.h())) {
 444       if (best==NULL)
 445         best = siter;
 446       else if(siter->w()*siter->h()<best->h()*best->w())
 447         best = siter;
 448     }
 449   }
 450   if (best != NULL) {
 451     Point *pt = new Point(best->origin());
 452     if (screen.colPlacementDirection() != BScreen::TopBottom)
 453       pt->setY(pt->y() + (best->h() - win_size.h()));
 454     if (screen.rowPlacementDirection() != BScreen::LeftRight)
 455       pt->setX(pt->x() + (best->w() - win_size.w()));
 456     return pt;
 457   } else
 458     return NULL; //fall back to cascade
 459 }
 460
 461 Point *Workspace::underMousePlacement(const Size &win_size, const Rect &space) {
 462   Point *pt;
 463
 464   int x, y, rx, ry;
 465   Window c, r;
 466   unsigned int m;
 467   XQueryPointer(screen.getOpenbox().getXDisplay(), screen.getRootWindow(),
 468                 &r, &c, &rx, &ry, &x, &y, &m);
 469   pt = new Point(rx - win_size.w() / 2, ry - win_size.h() / 2);
 470
 471   if (pt->x() < space.x())
 472     pt->setX(space.x());
 473   if (pt->y() < space.y())
 474     pt->setY(space.y());
 475   if (pt->x() + win_size.w() > space.x() + space.w())
 476     pt->setX(space.x() + space.w() - win_size.w());
 477   if (pt->y() + win_size.h() > space.y() + space.h())
 478     pt->setY(space.y() + space.h() - win_size.h());
 479   return pt;
 480 }
 481
 482 Point *Workspace::rowSmartPlacement(const Size &win_size, const Rect &space) {
 483   const Rect *best;
 484   rectList spaces;
 485   LinkedListIterator<OpenboxWindow> it(windowList);
 486
 487   rectList::const_iterator siter;
 488   spaces.push_back(space); //initially the entire screen is free
 489   it.reset();
 490
 491   //Find Free Spaces
 492   for (OpenboxWindow *cur=it.current(); cur!=NULL; it++, cur=it.current())
 493      spaces = calcSpace(cur->area().Inflate(screen.getBorderWidth() * 4),
 494                         spaces);
 495   //Sort spaces by preference
 496   if(screen.rowPlacementDirection() == BScreen::RightLeft)
 497      if(screen.colPlacementDirection() == BScreen::TopBottom)
 498         sort(spaces.begin(),spaces.end(),rowRLTB);
 499      else
 500         sort(spaces.begin(),spaces.end(),rowRLBT);
 501   else
 502      if(screen.colPlacementDirection() == BScreen::TopBottom)
 503         sort(spaces.begin(),spaces.end(),rowLRTB);
 504      else
 505         sort(spaces.begin(),spaces.end(),rowLRBT);
 506   best = NULL;
 507   for (siter=spaces.begin(); siter!=spaces.end(); ++siter)
 508     if ((siter->w() >= win_size.w()) && (siter->h() >= win_size.h())) {
 509       best = siter;
 510       break;
 511     }
 512
 513   if (best != NULL) {
 514     Point *pt = new Point(best->origin());
 515     if (screen.colPlacementDirection() != BScreen::TopBottom)
 516       pt->setY(best->y() + best->h() - win_size.h());
 517     if (screen.rowPlacementDirection() != BScreen::LeftRight)
 518       pt->setX(best->x()+best->w()-win_size.w());
 519     return pt;
 520   } else
 521     return NULL; //fall back to cascade
 522 }
 523
 524 Point *Workspace::colSmartPlacement(const Size &win_size, const Rect &space) {
 525   const Rect *best;
 526   rectList spaces;
 527   LinkedListIterator<OpenboxWindow> it(windowList);
 528
 529   rectList::const_iterator siter;
 530   spaces.push_back(space); //initially the entire screen is free
 531   it.reset();
 532
 533   //Find Free Spaces
 534   for (OpenboxWindow *cur=it.current(); cur!=NULL; it++, cur=it.current())
 535      spaces = calcSpace(cur->area().Inflate(screen.getBorderWidth() * 4),
 536                         spaces);
 537   //Sort spaces by user preference
 538   if(screen.colPlacementDirection() == BScreen::TopBottom)
 539      if(screen.rowPlacementDirection() == BScreen::LeftRight)
 540         sort(spaces.begin(),spaces.end(),colLRTB);
 541      else
 542         sort(spaces.begin(),spaces.end(),colRLTB);
 543   else
 544      if(screen.rowPlacementDirection() == BScreen::LeftRight)
 545         sort(spaces.begin(),spaces.end(),colLRBT);
 546      else
 547         sort(spaces.begin(),spaces.end(),colRLBT);
 548
 549   //Find first space that fits the window
 550   best = NULL;
 551   for (siter=spaces.begin(); siter!=spaces.end(); ++siter)
 552     if ((siter->w() >= win_size.w()) && (siter->h() >= win_size.h())) {
 553       best = siter;
 554       break;
 555     }
 556
 557   if (best != NULL) {
 558     Point *pt = new Point(best->origin());
 559     if (screen.colPlacementDirection() != BScreen::TopBottom)
 560       pt->setY(pt->y() + (best->h() - win_size.h()));
 561     if (screen.rowPlacementDirection() != BScreen::LeftRight)
 562       pt->setX(pt->x() + (best->w() - win_size.w()));
 563     return pt;
 564   } else
 565     return NULL; //fall back to cascade
 566 }
 567
 568
 569 Point *const Workspace::cascadePlacement(const OpenboxWindow &win,
 570                                          const Rect &space) {
 571   if ((cascade_x + win.area().w() + screen.getBorderWidth() * 2 >
 572        (space.x() + space.w())) ||
 573       (cascade_y + win.area().h() + screen.getBorderWidth() * 2 >
 574        (space.y() + space.h())))
 575     cascade_x = cascade_y = 0;
 576   if (cascade_x < space.x() || cascade_y < space.y()) {
 577     cascade_x = space.x();
 578     cascade_y = space.y();
 579   }
 580
 581   Point *p = new Point(cascade_x, cascade_y);
 582   cascade_x += win.getTitleHeight();
 583   cascade_y += win.getTitleHeight();
 584   return p;
 585 }
 586
 587
 588 void Workspace::placeWindow(OpenboxWindow &win) {
 589   Rect space = screen.availableArea();
 590   const Size window_size(win.area().w()+screen.getBorderWidth() * 2,
 591                          win.area().h()+screen.getBorderWidth() * 2);
 592   Point *place = NULL;
 593   LinkedListIterator<OpenboxWindow> it(windowList);
 594
 595   switch (screen.placementPolicy()) {
 596   case BScreen::BestFitPlacement:
 597     place = bestFitPlacement(window_size, space);
 598     break;
 599   case BScreen::RowSmartPlacement:
 600     place = rowSmartPlacement(window_size, space);
 601     break;
 602   case BScreen::ColSmartPlacement:
 603     place = colSmartPlacement(window_size, space);
 604     break;
 605   case BScreen::UnderMousePlacement:
 606   case BScreen::ClickMousePlacement:
 607     place = underMousePlacement(window_size, space);
 608     break;
 609   } // switch
 610
 611   if (place == NULL)
 612     place = cascadePlacement(win, space);
 613
 614   ASSERT(place != NULL);
 615   if (place->x() + window_size.w() > (signed) space.x() + space.w())
 616     place->setX(((signed) space.x() + space.w() - window_size.w()) / 2);
 617   if (place->y() + window_size.h() > (signed) space.y() + space.h())
 618     place->setY(((signed) space.y() + space.h() - window_size.h()) / 2);
 619
 620   win.configure(place->x(), place->y(), win.area().w(), win.area().h());
 621   delete place;
 622 }