kwin Library API Documentation

geometry.cpp

00001 /*****************************************************************
00002  KWin - the KDE window manager
00003  This file is part of the KDE project.
00004 
00005 Copyright (C) 1999, 2000 Matthias Ettrich <ettrich@kde.org>
00006 Copyright (C) 2003 Lubos Lunak <l.lunak@kde.org>
00007 
00008 You can Freely distribute this program under the GNU General Public
00009 License. See the file "COPYING" for the exact licensing terms.
00010 ******************************************************************/
00011 
00012 /*
00013 
00014  This file contains things relevant to geometry, i.e. workspace size,
00015  window positions and window sizes.
00016 
00017 */
00018 
00019 #include "client.h"
00020 #include "workspace.h"
00021 
00022 #include <kapplication.h>
00023 #include <kglobal.h>
00024 #include <qpainter.h>
00025 #include <kwin.h>
00026 
00027 #include "placement.h"
00028 #include "notifications.h"
00029 #include "geometrytip.h"
00030 #include "rules.h"
00031 
00032 extern Time qt_x_time;
00033 
00034 namespace KWinInternal
00035 {
00036 
00037 //********************************************
00038 // Workspace
00039 //********************************************
00040 
00044 void Workspace::desktopResized()
00045     {
00046     updateClientArea();
00047     checkElectricBorders( true );
00048     }
00049 
00062 void Workspace::updateClientArea( bool force )
00063     {
00064     QDesktopWidget *desktopwidget = KApplication::desktop();
00065     int nscreens = desktopwidget -> numScreens ();
00066 //    kdDebug () << "screens: " << nscreens << endl;
00067     QRect* new_wareas = new QRect[ numberOfDesktops() + 1 ];
00068     QRect** new_sareas = new QRect*[ numberOfDesktops() + 1];
00069     QRect* screens = new QRect [ nscreens ];
00070     QRect desktopArea = desktopwidget -> geometry ();
00071     for( int iS = 0;
00072             iS < nscreens;
00073             iS ++ )
00074         {
00075             screens [iS] = desktopwidget -> screenGeometry (iS);
00076         }
00077     for( int i = 1;
00078             i <= numberOfDesktops();
00079             ++i )
00080         {
00081             new_wareas[ i ] = desktopArea;
00082             new_sareas[ i ] = new QRect [ nscreens ];
00083             for( int iS = 0;
00084                     iS < nscreens;
00085                     iS ++ )
00086                 new_sareas[ i ][ iS ] = screens[ iS ];
00087         }
00088     for ( ClientList::ConstIterator it = clients.begin(); it != clients.end(); ++it)
00089         {
00090             QRect r = (*it)->adjustedClientArea( desktopArea, desktopArea );
00091             if( r == desktopArea ) // should be sufficient
00092                 continue;
00093             if( (*it)->isOnAllDesktops())
00094                 for( int i = 1;
00095                         i <= numberOfDesktops();
00096                         ++i )
00097                     {
00098                         new_wareas[ i ] = new_wareas[ i ].intersect( r );
00099                         for( int iS = 0;
00100                                 iS < nscreens;
00101                                 iS ++ )
00102                             new_sareas[ i ][ iS ] =
00103                                 new_sareas[ i ][ iS ].intersect(
00104                                         (*it)->adjustedClientArea( desktopArea, screens[ iS ] )
00105                                     );
00106                     }
00107             else
00108                 {
00109                     new_wareas[ (*it)->desktop() ] = new_wareas[ (*it)->desktop() ].intersect( r );
00110                     for( int iS = 0;
00111                             iS < nscreens;
00112                             iS ++ )
00113                         {
00114 //                            kdDebug () << "adjusting new_sarea: " << screens[ iS ] << endl;
00115                             new_sareas[ (*it)->desktop() ][ iS ] =
00116                                 new_sareas[ (*it)->desktop() ][ iS ].intersect(
00117                                         (*it)->adjustedClientArea( desktopArea, screens[ iS ] )
00118                                         );
00119                         }
00120                 }
00121         }
00122 #if 0
00123     for( int i = 1;
00124             i <= numberOfDesktops();
00125             ++i )
00126         {
00127             for( int iS = 0;
00128                     iS < nscreens;
00129                     iS ++ )
00130                 kdDebug () << "new_sarea: " << new_sareas[ i ][ iS ] << endl;
00131         }
00132 #endif
00133     // TODO topmenu update for screenarea changes?
00134     if( topmenu_space != NULL )
00135         {
00136         QRect topmenu_area = desktopArea;
00137         topmenu_area.setTop( topMenuHeight());
00138         for( int i = 1;
00139              i <= numberOfDesktops();
00140              ++i )
00141             new_wareas[ i ] = new_wareas[ i ].intersect( topmenu_area );
00142         }
00143 
00144     bool changed = force;
00145 
00146     if (! screenarea)
00147         changed = true;
00148 
00149     for( int i = 1;
00150          !changed && i <= numberOfDesktops();
00151          ++i )
00152         {
00153             if( workarea[ i ] != new_wareas[ i ] )
00154                 changed = true;
00155             for( int iS = 0;
00156                     iS < nscreens;
00157                     iS ++ )
00158                 if (new_sareas[ i ][ iS ] != screenarea [ i ][ iS ])
00159                     changed = true;
00160         }
00161 
00162     if ( changed )
00163         {
00164         delete[] workarea;
00165         workarea = new_wareas;
00166         new_wareas = NULL;
00167         delete[] screenarea;
00168         screenarea = new_sareas;
00169         new_sareas = NULL;
00170         NETRect r;
00171         for( int i = 1; i <= numberOfDesktops(); i++)
00172             {
00173             r.pos.x = workarea[ i ].x();
00174             r.pos.y = workarea[ i ].y();
00175             r.size.width = workarea[ i ].width();
00176             r.size.height = workarea[ i ].height();
00177             rootInfo->setWorkArea( i, r );
00178             }
00179 
00180         updateTopMenuGeometry();
00181         for( ClientList::ConstIterator it = clients.begin();
00182              it != clients.end();
00183              ++it)
00184             (*it)->checkWorkspacePosition();
00185         for( ClientList::ConstIterator it = desktops.begin();
00186              it != desktops.end();
00187              ++it)
00188             (*it)->checkWorkspacePosition();
00189         }
00190     delete[] screens;
00191     delete[] new_sareas;
00192     delete[] new_wareas;
00193     }
00194 
00195 void Workspace::updateClientArea()
00196     {
00197     updateClientArea( false );
00198     }
00199 
00200 
00208 QRect Workspace::clientArea( clientAreaOption opt, const QPoint& p, int desktop ) const
00209     {
00210     if( desktop == NETWinInfo::OnAllDesktops || desktop == 0 )
00211         desktop = currentDesktop();
00212     QDesktopWidget *desktopwidget = KApplication::desktop();
00213     int screen = desktopwidget->screenNumber( p );
00214     if( screen < 0 )
00215         screen = desktopwidget->primaryScreen();
00216     QRect sarea = screenarea // may be NULL during KWin initialization
00217         ? screenarea[ desktop ][ screen ]
00218         : desktopwidget->screenGeometry( screen );
00219     QRect warea = workarea[ desktop ].isNull()
00220         ? QApplication::desktop()->geometry()
00221         : workarea[ desktop ];
00222     switch (opt)
00223         {
00224         case MaximizeArea:
00225             if (options->xineramaMaximizeEnabled)
00226                 return sarea;
00227             else
00228                 return warea;
00229         case MaximizeFullArea:
00230             if (options->xineramaMaximizeEnabled)
00231                 return desktopwidget->screenGeometry( screen );
00232             else
00233                 return desktopwidget->geometry();
00234         case FullScreenArea:
00235             if (options->xineramaFullscreenEnabled)
00236                 return desktopwidget->screenGeometry( screen );
00237             else
00238                 return desktopwidget->geometry();
00239         case PlacementArea:
00240             if (options->xineramaPlacementEnabled)
00241                 return sarea;
00242             else
00243                 return warea;
00244         case MovementArea:
00245             if (options->xineramaMovementEnabled)
00246                 return desktopwidget->screenGeometry( screen );
00247             else
00248                 return desktopwidget->geometry();
00249         case WorkArea:
00250             return warea;
00251         case FullArea:
00252             return desktopwidget->geometry();
00253         case ScreenArea:
00254             return sarea;
00255         }
00256     assert( false );
00257     return QRect();
00258     }
00259 
00260 QRect Workspace::clientArea( clientAreaOption opt, const Client* c ) const
00261     {
00262     return clientArea( opt, c->geometry().center(), c->desktop());
00263     }
00264 
00270 QPoint Workspace::adjustClientPosition( Client* c, QPoint pos )
00271     {
00272    //CT 16mar98, 27May98 - magics: BorderSnapZone, WindowSnapZone
00273    //CT adapted for kwin on 25Nov1999
00274    //aleXXX 02Nov2000 added second snapping mode
00275     if (options->windowSnapZone || options->borderSnapZone )
00276         {
00277         const bool sOWO=options->snapOnlyWhenOverlapping;
00278         const QRect maxRect = clientArea(MovementArea, pos+c->rect().center(), c->desktop());
00279         const int xmin = maxRect.left();
00280         const int xmax = maxRect.right()+1;               //desk size
00281         const int ymin = maxRect.top();
00282         const int ymax = maxRect.bottom()+1;
00283 
00284         const int cx(pos.x());
00285         const int cy(pos.y());
00286         const int cw(c->width());
00287         const int ch(c->height());
00288         const int rx(cx+cw);
00289         const int ry(cy+ch);                 //these don't change
00290 
00291         int nx(cx), ny(cy);                         //buffers
00292         int deltaX(xmax);
00293         int deltaY(ymax);   //minimum distance to other clients
00294 
00295         int lx, ly, lrx, lry; //coords and size for the comparison client, l
00296 
00297       // border snap
00298         int snap = options->borderSnapZone; //snap trigger
00299         if (snap)
00300             {
00301             if ((sOWO?(cx<xmin):true) && (QABS(xmin-cx)<snap))
00302                 {
00303                 deltaX = xmin-cx;
00304                 nx = xmin;
00305                 }
00306             if ((sOWO?(rx>xmax):true) && (QABS(rx-xmax)<snap) && (QABS(xmax-rx) < deltaX))
00307                 {
00308                 deltaX = rx-xmax;
00309                 nx = xmax - cw;
00310                 }
00311 
00312             if ((sOWO?(cy<ymin):true) && (QABS(ymin-cy)<snap))
00313                 {
00314                 deltaY = ymin-cy;
00315                 ny = ymin;
00316                 }
00317             if ((sOWO?(ry>ymax):true) && (QABS(ry-ymax)<snap) && (QABS(ymax-ry) < deltaY))
00318                 {
00319                 deltaY =ry-ymax;
00320                 ny = ymax - ch;
00321                 }
00322             }
00323 
00324       // windows snap
00325         snap = options->windowSnapZone;
00326         if (snap)
00327             {
00328             QValueList<Client *>::ConstIterator l;
00329             for (l = clients.begin();l != clients.end();++l )
00330                 {
00331                 if ((*l)->isOnDesktop(currentDesktop()) &&
00332                    !(*l)->isMinimized()
00333                     && (*l) != c )
00334                     {
00335                     lx = (*l)->x();
00336                     ly = (*l)->y();
00337                     lrx = lx + (*l)->width();
00338                     lry = ly + (*l)->height();
00339 
00340                     if ( (( cy <= lry ) && ( cy  >= ly  ))  ||
00341                          (( ry >= ly  ) && ( ry  <= lry ))  ||
00342                          (( cy <= ly  ) && ( ry >= lry  )) )
00343                         {
00344                         if ((sOWO?(cx<lrx):true) && (QABS(lrx-cx)<snap) && ( QABS(lrx -cx) < deltaX) )
00345                             {
00346                             deltaX = QABS( lrx - cx );
00347                             nx = lrx;
00348                             }
00349                         if ((sOWO?(rx>lx):true) && (QABS(rx-lx)<snap) && ( QABS( rx - lx )<deltaX) )
00350                             {
00351                             deltaX = QABS(rx - lx);
00352                             nx = lx - cw;
00353                             }
00354                         }
00355 
00356                     if ( (( cx <= lrx ) && ( cx  >= lx  ))  ||
00357                          (( rx >= lx  ) && ( rx  <= lrx ))  ||
00358                          (( cx <= lx  ) && ( rx >= lrx  )) )
00359                         {
00360                         if ((sOWO?(cy<lry):true) && (QABS(lry-cy)<snap) && (QABS( lry -cy ) < deltaY))
00361                             {
00362                             deltaY = QABS( lry - cy );
00363                             ny = lry;
00364                             }
00365                   //if ( (QABS( ry-ly ) < snap) && (QABS( ry - ly ) < deltaY ))
00366                         if ((sOWO?(ry>ly):true) && (QABS(ry-ly)<snap) && (QABS( ry - ly ) < deltaY ))
00367                             {
00368                             deltaY = QABS( ry - ly );
00369                             ny = ly - ch;
00370                             }
00371                         }
00372                     }
00373                 }
00374             }
00375         pos = QPoint(nx, ny);
00376         }
00377     return pos;
00378     }
00379 
00380 QRect Workspace::adjustClientSize( Client* c, QRect moveResizeGeom, int mode )
00381     {
00382    //adapted from adjustClientPosition on 29May2004
00383    //this function is called when resizing a window and will modify
00384    //the new dimensions to snap to other windows/borders if appropriate
00385     if ( options->windowSnapZone || options->borderSnapZone  )
00386         {
00387         const bool sOWO=options->snapOnlyWhenOverlapping;
00388 
00389         const QRect maxRect = clientArea(MovementArea, c->rect().center(), c->desktop());
00390         const int xmin = maxRect.left();
00391         const int xmax = maxRect.right();               //desk size
00392         const int ymin = maxRect.top();
00393         const int ymax = maxRect.bottom();
00394 
00395         const int cx(moveResizeGeom.left());
00396         const int cy(moveResizeGeom.top());
00397         const int rx(moveResizeGeom.right());
00398         const int ry(moveResizeGeom.bottom());
00399 
00400         int newcx(cx), newcy(cy);                         //buffers
00401         int newrx(rx), newry(ry);
00402         int deltaX(xmax);
00403         int deltaY(ymax);   //minimum distance to other clients
00404 
00405         int lx, ly, lrx, lry; //coords and size for the comparison client, l
00406 
00407       // border snap
00408         int snap = options->borderSnapZone; //snap trigger
00409         if (snap)
00410             {
00411             deltaX = int(snap);
00412             deltaY = int(snap);
00413 
00414 #define SNAP_BORDER_TOP \
00415             if ((sOWO?(newcy<ymin):true) && (QABS(ymin-newcy)<deltaY)) \
00416               { \
00417                 deltaY = QABS(ymin-newcy); \
00418                 newcy = ymin; \
00419                }
00420 
00421 #define SNAP_BORDER_BOTTOM \
00422             if ((sOWO?(newry>ymax):true) && (QABS(ymax-newry)<deltaY)) \
00423               { \
00424                 deltaY = QABS(ymax-newcy); \
00425                 newry = ymax; \
00426                }
00427 
00428 #define SNAP_BORDER_LEFT \
00429             if ((sOWO?(newcx<xmin):true) && (QABS(xmin-newcx)<deltaX)) \
00430               { \
00431                 deltaX = QABS(xmin-newcx); \
00432                 newcx = xmin; \
00433                }
00434 
00435 #define SNAP_BORDER_RIGHT \
00436             if ((sOWO?(newrx>xmax):true) && (QABS(xmax-newrx)<deltaX)) \
00437               { \
00438                 deltaX = QABS(xmax-newrx); \
00439                 newrx = xmax; \
00440                }
00441                      switch ( mode )
00442                       {
00443                       case PositionBottomRight:
00444                         SNAP_BORDER_BOTTOM
00445                         SNAP_BORDER_RIGHT
00446                         break;
00447                       case PositionRight:
00448                         SNAP_BORDER_RIGHT
00449                         break;
00450                       case PositionBottom:
00451                         SNAP_BORDER_BOTTOM
00452                         break;
00453                       case PositionTopLeft:
00454                         SNAP_BORDER_TOP
00455                         SNAP_BORDER_LEFT
00456                         break;
00457                       case PositionLeft:
00458                         SNAP_BORDER_LEFT
00459                         break;
00460                       case PositionTop:
00461                         SNAP_BORDER_TOP
00462                         break;
00463                       case PositionTopRight:
00464                         SNAP_BORDER_TOP
00465                         SNAP_BORDER_RIGHT
00466                         break;
00467                       case PositionBottomLeft:
00468                         SNAP_BORDER_BOTTOM
00469                         SNAP_BORDER_LEFT
00470                         break;
00471                       default:
00472                         assert( false );
00473                         break;
00474                       }
00475 
00476 
00477             }
00478 
00479       // windows snap
00480         snap = options->windowSnapZone;
00481         if (snap)
00482             {
00483             deltaX = int(snap);
00484             deltaY = int(snap);
00485             QValueList<Client *>::ConstIterator l;
00486             for (l = clients.begin();l != clients.end();++l )
00487                 {
00488                 if ((*l)->isOnDesktop(currentDesktop()) &&
00489                    !(*l)->isMinimized()
00490                     && (*l) != c )
00491                     {
00492                     lx = (*l)->x()-1;
00493                     ly = (*l)->y()-1;
00494                     lrx =(*l)->x() + (*l)->width();
00495                     lry =(*l)->y() + (*l)->height();
00496 
00497 #define WITHIN_HEIGHT ((( newcy <= lry ) && ( newcy  >= ly  ))  || \
00498                          (( newry >= ly  ) && ( newry  <= lry ))  || \
00499                          (( newcy <= ly  ) && ( newry >= lry  )) )
00500 
00501 #define WITHIN_WIDTH  ( (( cx <= lrx ) && ( cx  >= lx  ))  || \
00502                          (( rx >= lx  ) && ( rx  <= lrx ))  || \
00503                          (( cx <= lx  ) && ( rx >= lrx  )) )
00504 
00505 #define SNAP_WINDOW_TOP  if ( (sOWO?(newcy<lry):true) \
00506                   && WITHIN_WIDTH  \
00507                   && (QABS( lry - newcy ) < deltaY) ) {  \
00508                   deltaY = QABS( lry - newcy ); \
00509                   newcy=lry; \
00510                   }
00511 
00512 #define SNAP_WINDOW_BOTTOM  if ( (sOWO?(newry>ly):true)  \
00513                      && WITHIN_WIDTH  \
00514                      && (QABS( ly - newry ) < deltaY) ) {  \
00515                      deltaY = QABS( ly - newry );  \
00516                      newry=ly;  \
00517                      }
00518 
00519 #define SNAP_WINDOW_LEFT  if ( (sOWO?(newcx<lrx):true)  \
00520                    && WITHIN_HEIGHT  \
00521                    && (QABS( lrx - newcx ) < deltaX)) {  \
00522                    deltaX = QABS( lrx - newcx );  \
00523                    newcx=lrx;  \
00524                    }
00525 
00526 #define SNAP_WINDOW_RIGHT  if ( (sOWO?(newrx>lx):true)  \
00527                     && WITHIN_HEIGHT  \
00528                     && (QABS( lx - newrx ) < deltaX))  \
00529                     {  \
00530                     deltaX = QABS( lx - newrx );  \
00531                     newrx=lx;  \
00532                     }
00533 
00534                     switch ( mode )
00535                       {
00536                       case PositionBottomRight:
00537                         SNAP_WINDOW_BOTTOM
00538                         SNAP_WINDOW_RIGHT
00539                         break;
00540                       case PositionRight:
00541                         SNAP_WINDOW_RIGHT
00542                         break;
00543                       case PositionBottom:
00544                         SNAP_WINDOW_BOTTOM
00545                         break;
00546                       case PositionTopLeft:
00547                         SNAP_WINDOW_TOP
00548                         SNAP_WINDOW_LEFT
00549                         break;
00550                       case PositionLeft:
00551                         SNAP_WINDOW_LEFT
00552                         break;
00553                       case PositionTop:
00554                         SNAP_WINDOW_TOP
00555                         break;
00556                       case PositionTopRight:
00557                         SNAP_WINDOW_TOP
00558                         SNAP_WINDOW_RIGHT
00559                         break;
00560                       case PositionBottomLeft:
00561                         SNAP_WINDOW_BOTTOM
00562                         SNAP_WINDOW_LEFT
00563                         break;
00564                       default:
00565                         assert( false );
00566                         break;
00567                       }
00568                     }
00569                 }
00570             }
00571        moveResizeGeom = QRect(QPoint(newcx, newcy), QPoint(newrx, newry));
00572        }
00573     return moveResizeGeom;
00574     }
00575 
00579 void Workspace::setClientIsMoving( Client *c )
00580     {
00581     Q_ASSERT(!c || !movingClient); // Catch attempts to move a second
00582     // window while still moving the first one.
00583     movingClient = c;
00584     if (movingClient)
00585         ++block_focus;
00586     else
00587         --block_focus;
00588     }
00589 
00593 void Workspace::cascadeDesktop()
00594     {
00595 // TODO XINERAMA this probably is not right for xinerama
00596     Q_ASSERT( block_stacking_updates == 0 );
00597     ClientList::ConstIterator it(stackingOrder().begin());
00598     bool re_init_cascade_at_first_client = true;
00599     for (; it != stackingOrder().end(); ++it)
00600         {
00601         if((!(*it)->isOnDesktop(currentDesktop())) ||
00602            ((*it)->isMinimized())                  ||
00603            ((*it)->isOnAllDesktops())              ||
00604            (!(*it)->isMovable()) )
00605             continue;
00606         initPositioning->placeCascaded(*it, QRect(), re_init_cascade_at_first_client);
00607         //CT is an if faster than an attribution?
00608         if (re_init_cascade_at_first_client)
00609           re_init_cascade_at_first_client = false;
00610         }
00611     }
00612 
00617 void Workspace::unclutterDesktop()
00618     {
00619     ClientList::Iterator it(clients.fromLast());
00620     for (; it != clients.end(); --it)
00621         {
00622         if((!(*it)->isOnDesktop(currentDesktop())) ||
00623            ((*it)->isMinimized())                  ||
00624            ((*it)->isOnAllDesktops())              ||
00625            (!(*it)->isMovable()) )
00626             continue;
00627         initPositioning->placeSmart(*it, QRect());
00628         }
00629     }
00630 
00631 
00632 void Workspace::updateTopMenuGeometry( Client* c )
00633     {
00634     if( !managingTopMenus())
00635         return;
00636     if( c != NULL )
00637         {
00638         XEvent ev;
00639         ev.xclient.display = qt_xdisplay();
00640         ev.xclient.type = ClientMessage;
00641         ev.xclient.window = c->window();
00642         static Atom msg_type_atom = XInternAtom( qt_xdisplay(), "_KDE_TOPMENU_MINSIZE", False );
00643         ev.xclient.message_type = msg_type_atom;
00644         ev.xclient.format = 32;
00645         ev.xclient.data.l[0] = qt_x_time;
00646         ev.xclient.data.l[1] = topmenu_space->width();
00647         ev.xclient.data.l[2] = topmenu_space->height();
00648         ev.xclient.data.l[3] = 0;
00649         ev.xclient.data.l[4] = 0;
00650         XSendEvent( qt_xdisplay(), c->window(), False, NoEventMask, &ev );
00651         KWin::setStrut( c->window(), 0, 0, topmenu_height, 0 ); // so that kicker etc. know
00652         c->checkWorkspacePosition();
00653         return;
00654         }
00655     // c == NULL - update all, including topmenu_space
00656     QRect area;
00657     area = clientArea( MaximizeFullArea, QPoint( 0, 0 ), 1 ); // HACK desktop ?
00658     area.setHeight( topMenuHeight());
00659     topmenu_space->setGeometry( area );
00660     for( ClientList::ConstIterator it = topmenus.begin();
00661          it != topmenus.end();
00662          ++it )
00663         updateTopMenuGeometry( *it );
00664     }
00665 
00666 //********************************************
00667 // Client
00668 //********************************************
00669 
00670 
00671 void Client::keepInArea( QRect area, bool partial )
00672     {
00673     if( partial )
00674         {
00675         // increase the area so that can have only 100 pixels in the area
00676         area.setLeft( QMIN( area.left() - width() + 100, area.left()));
00677         area.setTop( QMIN( area.top() - height() + 100, area.top()));
00678         area.setRight( QMAX( area.right() + width() - 100, area.right()));
00679         area.setBottom( QMAX( area.bottom() + height() - 100, area.bottom()));
00680         }
00681     if ( geometry().right() > area.right() && width() < area.width() )
00682         move( area.right() - width(), y() );
00683     if ( geometry().bottom() > area.bottom() && height() < area.height() )
00684         move( x(), area.bottom() - height() );
00685     if( !area.contains( geometry().topLeft() ))
00686         {
00687         int tx = x();
00688         int ty = y();
00689         if ( tx < area.x() )
00690             tx = area.x();
00691         if ( ty < area.y() )
00692             ty = area.y();
00693         move( tx, ty );
00694         }
00695     }
00696 
00702 // TODO move to Workspace?
00703 
00704 QRect Client::adjustedClientArea( const QRect &desktopArea, const QRect& area ) const
00705     {
00706     QRect r = area;
00707     // topmenu area is reserved in updateClientArea()
00708     if( isTopMenu())
00709         return r;
00710     NETExtendedStrut str = strut();
00711     QRect stareaL = QRect(
00712             0,
00713             str . left_start,
00714             str . left_width,
00715             str . left_end - str . left_start + 1 );
00716     QRect stareaR = QRect (
00717             desktopArea . right () - str . right_width + 1,
00718             str . right_start,
00719             str . right_width,
00720             str . right_end - str . right_start + 1 );
00721     QRect stareaT = QRect (
00722             str . top_start,
00723             0,
00724             str . top_end - str . top_start + 1,
00725             str . top_width);
00726     QRect stareaB = QRect (
00727             str . bottom_start,
00728             desktopArea . bottom () - str . bottom_width + 1,
00729             str . bottom_end - str . bottom_start + 1,
00730             str . bottom_width);
00731 
00732     NETExtendedStrut ext = info->extendedStrut();
00733     if( ext.left_width == 0 && ext.right_width == 0 && ext.top_width == 0 && ext.bottom_width == 0
00734         && ( str.left_width != 0 || str.right_width != 0 || str.top_width != 0 || str.bottom_width != 0 )) {
00735 
00736         // hack, might cause problems... this tries to guess the start/end of a
00737         // non-extended strut; only works on windows that have exact same
00738         // geometry as their strut (ie, if the geometry fits the width
00739         // exactly, we will adjust length of strut to match the geometry as well;
00740         // otherwise we use the full-edge strut)
00741 
00742         if (stareaT.top() == geometry().top() && stareaT.bottom() == geometry().bottom()) {
00743             stareaT.setLeft(geometry().left());
00744             stareaT.setRight(geometry().right());
00745 //            kdDebug () << "Trimming top-strut to geometry() to: " << stareaT << endl;
00746         }
00747         if (stareaB.top() == geometry().top() && stareaB.bottom() == geometry().bottom()) {
00748             stareaB.setLeft(geometry().left());
00749             stareaB.setRight(geometry().right());
00750 //            kdDebug () << "Trimming bottom-strut to geometry(): " << stareaB << endl;
00751         }
00752         if (stareaL.left() == geometry().left() && stareaL.right() == geometry().right()) {
00753             stareaL.setTop(geometry().top());
00754             stareaL.setBottom(geometry().bottom());
00755 //            kdDebug () << "Trimming left-strut to geometry(): " << stareaL << endl;
00756         }
00757         if (stareaR.left() == geometry().left() && stareaR.right() == geometry().right()) {
00758             stareaR.setTop(geometry().top());
00759             stareaR.setBottom(geometry().bottom());
00760 //            kdDebug () << "Trimming right-strut to geometry(): " << stareaR << endl;
00761         }
00762     }
00763     if (stareaL . intersects (area)) {
00764 //        kdDebug () << "Moving left of: " << r << " to " << stareaL.right() + 1 << endl;
00765         r . setLeft( stareaL . right() + 1 );
00766     }
00767     if (stareaR . intersects (area)) {
00768 //        kdDebug () << "Moving right of: " << r << " to " << stareaR.left() - 1 << endl;
00769         r . setRight( stareaR . left() - 1 );
00770     }
00771     if (stareaT . intersects (area)) {
00772 //        kdDebug () << "Moving top of: " << r << " to " << stareaT.bottom() + 1 << endl;
00773         r . setTop( stareaT . bottom() + 1 );
00774     }
00775     if (stareaB . intersects (area)) {
00776 //        kdDebug () << "Moving bottom of: " << r << " to " << stareaB.top() - 1 << endl;
00777         r . setBottom( stareaB . top() - 1 );
00778     }
00779     return r;
00780     }
00781 
00782 NETExtendedStrut Client::strut() const
00783     {
00784     NETExtendedStrut ext = info->extendedStrut();
00785     NETStrut str = info->strut();
00786     if( ext.left_width == 0 && ext.right_width == 0 && ext.top_width == 0 && ext.bottom_width == 0
00787         && ( str.left != 0 || str.right != 0 || str.top != 0 || str.bottom != 0 ))
00788         {
00789         // build extended from simple
00790         if( str.left != 0 )
00791             {
00792             ext.left_width = str.left;
00793             ext.left_start = 0;
00794             ext.left_end = XDisplayHeight( qt_xdisplay(), DefaultScreen( qt_xdisplay()));
00795             }
00796         if( str.right != 0 )
00797             {
00798             ext.right_width = str.right;
00799             ext.right_start = 0;
00800             ext.right_end = XDisplayHeight( qt_xdisplay(), DefaultScreen( qt_xdisplay()));
00801             }
00802         if( str.top != 0 )
00803             {
00804             ext.top_width = str.top;
00805             ext.top_start = 0;
00806             ext.top_end = XDisplayWidth( qt_xdisplay(), DefaultScreen( qt_xdisplay()));
00807             }
00808         if( str.bottom != 0 )
00809             {
00810             ext.bottom_width = str.bottom;
00811             ext.bottom_start = 0;
00812             ext.bottom_end = XDisplayWidth( qt_xdisplay(), DefaultScreen( qt_xdisplay()));
00813             }
00814         }
00815     return ext;
00816     }
00817 bool Client::hasStrut() const
00818     {
00819     NETExtendedStrut ext = strut();
00820     if( ext.left_width == 0 && ext.right_width == 0 && ext.top_width == 0 && ext.bottom_width == 0 )
00821         {
00822             return false;
00823         }
00824     return true;
00825     }
00826 
00827 
00828 // updates differences to workarea edges for all directions
00829 void Client::updateWorkareaDiffs()
00830     {
00831     QRect area = workspace()->clientArea( WorkArea, this );
00832     QRect geom = geometry();
00833     workarea_diff_x = computeWorkareaDiff( geom.left(), geom.right(), area.left(), area.right());
00834     workarea_diff_y = computeWorkareaDiff( geom.top(), geom.bottom(), area.top(), area.bottom());
00835     }
00836 
00837 // If the client was inside workarea in the x direction, and if it was close to the left/right
00838 // edge, return the distance from the left/right edge (negative for left, positive for right)
00839 // INT_MIN means 'not inside workarea', INT_MAX means 'not near edge'.
00840 // In order to recognize 'at the left workarea edge' from 'at the right workarea edge'
00841 // (i.e. negative vs positive zero), the distances are one larger in absolute value than they
00842 // really are (i.e. 5 pixels from the left edge is -6, not -5). A bit hacky, but I'm lazy
00843 // to rewrite it just to make it nicer. If this will ever get touched again, perhaps then.
00844 // the y direction is done the same, just the values will be rotated: top->left, bottom->right
00845 int Client::computeWorkareaDiff( int left, int right, int a_left, int a_right )
00846     {
00847     int left_diff = left - a_left;
00848     int right_diff = a_right - right;
00849     if( left_diff < 0 || right_diff < 0 )
00850         return INT_MIN;
00851     else // fully inside workarea in this direction direction
00852         {
00853         // max distance from edge where it's still considered to be close and is kept at that distance
00854         int max_diff = ( a_right - a_left ) / 10;
00855         if( left_diff < right_diff )
00856             return left_diff < max_diff ? -left_diff - 1 : INT_MAX;
00857         else if( left_diff > right_diff )
00858             return right_diff < max_diff ? right_diff + 1 : INT_MAX;
00859         return INT_MAX; // not close to workarea edge
00860         }
00861     }
00862 
00863 void Client::checkWorkspacePosition()
00864     {
00865     if( isDesktop())
00866         {
00867         QRect area = workspace()->clientArea( FullArea, this );
00868         if( geometry() != area )
00869             setGeometry( area );
00870         return;
00871         }
00872     if( maximizeMode() != MaximizeRestore )
00873     // TODO update geom_restore?
00874         changeMaximize( false, false, true ); // adjust size
00875 
00876     if( isFullScreen())
00877         {
00878         QRect area = workspace()->clientArea( FullScreenArea, this );
00879         if( geometry() != area )
00880             setGeometry( area );
00881         return;
00882         }
00883     if( isDock())
00884         return;
00885     if( isOverride())
00886         return; // I wish I knew what to do here :(
00887     if( isTopMenu())
00888         {
00889         if( workspace()->managingTopMenus())
00890             {
00891             QRect area;
00892             ClientList mainclients = mainClients();
00893             if( mainclients.count() == 1 )
00894                 area = workspace()->clientArea( MaximizeFullArea, mainclients.first());
00895             else
00896                 area = workspace()->clientArea( MaximizeFullArea, QPoint( 0, 0 ), desktop());
00897             area.setHeight( workspace()->topMenuHeight());
00898 //            kdDebug() << "TOPMENU size adjust: " << area << ":" << this << endl;
00899             setGeometry( area );
00900             }
00901         return;
00902         }
00903 
00904     if( !isShade()) // TODO
00905         {
00906         int old_diff_x = workarea_diff_x;
00907         int old_diff_y = workarea_diff_y;
00908         updateWorkareaDiffs();
00909 
00910         // this can be true only if this window was mapped before KWin
00911         // was started - in such case, don't adjust position to workarea,
00912         // because the window already had its position, and if a window
00913         // with a strut altering the workarea would be managed in initialization
00914         // after this one, this window would be moved
00915         if( workspace()->initializing())
00916             return;
00917 
00918         QRect area = workspace()->clientArea( WorkArea, this );
00919         QRect new_geom = geometry();
00920         QRect tmp_rect_x( new_geom.left(), 0, new_geom.width(), 0 );
00921         QRect tmp_area_x( area.left(), 0, area.width(), 0 );
00922         checkDirection( workarea_diff_x, old_diff_x, tmp_rect_x, tmp_area_x );
00923         // the x<->y swapping
00924         QRect tmp_rect_y( new_geom.top(), 0, new_geom.height(), 0 );
00925         QRect tmp_area_y( area.top(), 0, area.height(), 0 );
00926         checkDirection( workarea_diff_y, old_diff_y, tmp_rect_y, tmp_area_y );
00927         new_geom = QRect( tmp_rect_x.left(), tmp_rect_y.left(), tmp_rect_x.width(), tmp_rect_y.width());
00928         QRect final_geom( new_geom.topLeft(), adjustedSize( new_geom.size()));
00929         if( final_geom != new_geom ) // size increments, or size restrictions
00930             { // adjusted size differing matters only for right and bottom edge
00931             if( old_diff_x != INT_MAX && old_diff_x > 0 )
00932                 final_geom.moveRight( area.right() - ( old_diff_x - 1 ));
00933             if( old_diff_y != INT_MAX && old_diff_y > 0 )
00934                 final_geom.moveBottom( area.bottom() - ( old_diff_y - 1 ));
00935             }
00936         if( final_geom != geometry() )
00937             setGeometry( final_geom );
00938         //    updateWorkareaDiffs(); done already by setGeometry()
00939         }
00940     }
00941 
00942 // Try to be smart about keeping the clients visible.
00943 // If the client was fully inside the workspace before, try to keep
00944 // it still inside the workarea, possibly moving it or making it smaller if possible,
00945 // and try to keep the distance from the nearest workarea edge.
00946 // On the other hand, it it was partially moved outside of the workspace in some direction,
00947 // don't do anything with that direction if it's still at least partially visible. If it's
00948 // not visible anymore at all, make sure it's visible at least partially
00949 // again (not fully, as that could(?) be potentionally annoying) by
00950 // moving it slightly inside the workarea (those '+ 5').
00951 // Again, this is done for the x direction, y direction will be done by x<->y swapping
00952 void Client::checkDirection( int new_diff, int old_diff, QRect& rect, const QRect& area )
00953     {
00954     if( old_diff != INT_MIN ) // was inside workarea
00955         {
00956         if( old_diff == INT_MAX ) // was in workarea, but far from edge
00957             {
00958             if( new_diff == INT_MIN )  // is not anymore fully in workarea
00959                 {
00960                 rect.setLeft( area.left());
00961                 rect.setRight( area.right());
00962                 }
00963             return;
00964             }
00965         if( isMovable())
00966             {
00967             if( old_diff < 0 ) // was in left third, keep distance from left edge
00968                 rect.moveLeft( area.left() + ( -old_diff - 1 ));
00969             else // old_diff > 0 // was in right third, keep distance from right edge
00970                 rect.moveRight( area.right() - ( old_diff - 1 ));
00971             }
00972         else if( isResizable())
00973             {
00974             if( old_diff < 0 )
00975                 rect.setLeft( area.left() + ( -old_diff - 1 ) );
00976             else // old_diff > 0
00977                 rect.setRight( area.right() - ( old_diff - 1 ));
00978             }
00979         if( rect.width() > area.width() && isResizable())
00980             rect.setWidth( area.width());
00981         if( isMovable())
00982             {
00983             if( rect.left() < area.left())
00984                 rect.moveLeft( area.left());
00985             else if( rect.right() > area.right())
00986                 rect.moveRight( area.right());
00987             }
00988         }
00989     if( rect.right() < area.left() + 5 || rect.left() > area.right() - 5 )
00990         { // not visible (almost) at all - try to make it at least partially visible
00991         if( isMovable())
00992             {
00993             if( rect.left() < area.left() + 5 )
00994                 rect.moveRight( area.left() + 5 );
00995             if( rect.right() > area.right() - 5 )
00996                 rect.moveLeft( area.right() - 5 );
00997             }
00998         }
00999     }
01000 
01004 QSize Client::adjustedSize( const QSize& frame, Sizemode mode ) const
01005     {
01006     // first, get the window size for the given frame size s
01007 
01008     QSize wsize( frame.width() - ( border_left + border_right ),
01009              frame.height() - ( border_top + border_bottom ));
01010 
01011     return sizeForClientSize( wsize, mode, false );
01012     }
01013 
01014 // this helper returns proper size even if the window is shaded
01015 // see also the comment in Client::setGeometry()
01016 QSize Client::adjustedSize() const
01017     {
01018     return sizeForClientSize( clientSize());
01019     }
01020 
01029 QSize Client::sizeForClientSize( const QSize& wsize, Sizemode mode, bool noframe ) const
01030     {
01031     int w = wsize.width();
01032     int h = wsize.height();
01033     if( w < 1 || h < 1 )
01034         {
01035         kdWarning() << "sizeForClientSize() with empty size!" << endl;
01036         kdWarning() << kdBacktrace() << endl;
01037         }
01038     if (w<1) w = 1;
01039     if (h<1) h = 1;
01040 
01041     // basesize, minsize, maxsize, paspect and resizeinc have all values defined,
01042     // even if they're not set in flags - see getWmNormalHints()
01043     QSize min_size = minSize();
01044     QSize max_size = maxSize();
01045     if( decoration != NULL )
01046         {
01047         QSize decominsize = decoration->minimumSize();
01048         QSize border_size( border_left + border_right, border_top + border_bottom );
01049         if( border_size.width() > decominsize.width()) // just in case
01050             decominsize.setWidth( border_size.width());
01051         if( border_size.height() > decominsize.height())
01052             decominsize.setHeight( border_size.height());
01053         if( decominsize.width() > min_size.width())
01054                 min_size.setWidth( decominsize.width());
01055         if( decominsize.height() > min_size.height())
01056                 min_size.setHeight( decominsize.height());
01057         }
01058     w = QMIN( max_size.width(), w );
01059     h = QMIN( max_size.height(), h );
01060     w = QMAX( min_size.width(), w );
01061     h = QMAX( min_size.height(), h );
01062 
01063     int w1 = w;
01064     int h1 = h;
01065     int width_inc = xSizeHint.width_inc;
01066     int height_inc = xSizeHint.height_inc;
01067     int basew_inc = xSizeHint.min_width; // see getWmNormalHints()
01068     int baseh_inc = xSizeHint.min_height;
01069     w = int(( w - basew_inc ) / width_inc ) * width_inc + basew_inc;
01070     h = int(( h - baseh_inc ) / height_inc ) * height_inc + baseh_inc;
01071 // code for aspect ratios based on code from FVWM
01072     /*
01073      * The math looks like this:
01074      *
01075      * minAspectX    dwidth     maxAspectX
01076      * ---------- <= ------- <= ----------
01077      * minAspectY    dheight    maxAspectY
01078      *
01079      * If that is multiplied out, then the width and height are
01080      * invalid in the following situations:
01081      *
01082      * minAspectX * dheight > minAspectY * dwidth
01083      * maxAspectX * dheight < maxAspectY * dwidth
01084      *
01085      */
01086     if( xSizeHint.flags & PAspect )
01087         {
01088         double min_aspect_w = xSizeHint.min_aspect.x; // use doubles, because the values can be MAX_INT
01089         double min_aspect_h = xSizeHint.min_aspect.y; // and multiplying would go wrong otherwise
01090         double max_aspect_w = xSizeHint.max_aspect.x;
01091         double max_aspect_h = xSizeHint.max_aspect.y;
01092         // According to ICCCM 4.1.2.3 PMinSize should be a fallback for PBaseSize for size increments,
01093         // but not for aspect ratio. Since this code comes from FVWM, handles both at the same time,
01094         // and I have no idea how it works, let's hope nobody relies on that.
01095         w -= xSizeHint.base_width;
01096         h -= xSizeHint.base_height;
01097         int max_width = max_size.width() - xSizeHint.base_width;
01098         int min_width = min_size.width() - xSizeHint.base_width;
01099         int max_height = max_size.height() - xSizeHint.base_height;
01100         int min_height = min_size.height() - xSizeHint.base_height;
01101 #define ASPECT_CHECK_GROW_W \
01102         if( min_aspect_w * h > min_aspect_h * w ) \
01103             { \
01104             int delta = int( min_aspect_w * h / min_aspect_h - w ) / width_inc * width_inc; \
01105             if( w + delta <= max_width ) \
01106                 w += delta; \
01107             }
01108 #define ASPECT_CHECK_SHRINK_H_GROW_W \
01109         if( min_aspect_w * h > min_aspect_h * w ) \
01110             { \
01111             int delta = int( h - w * min_aspect_h / min_aspect_w ) / height_inc * height_inc; \
01112             if( h - delta >= min_height ) \
01113                 h -= delta; \
01114             else \
01115                 { \
01116                 int delta = int( min_aspect_w * h / min_aspect_h - w ) / width_inc * width_inc; \
01117                 if( w + delta <= max_width ) \
01118                     w += delta; \
01119                 } \
01120             }
01121 #define ASPECT_CHECK_GROW_H \
01122         if( max_aspect_w * h < max_aspect_h * w ) \
01123             { \
01124             int delta = int( w * max_aspect_h / max_aspect_w - h ) / height_inc * height_inc; \
01125             if( h + delta <= max_height ) \
01126                 h += delta; \
01127             }
01128 #define ASPECT_CHECK_SHRINK_W_GROW_H \
01129         if( max_aspect_w * h < max_aspect_h * w ) \
01130             { \
01131             int delta = int( w - max_aspect_w * h / max_aspect_h ) / width_inc * width_inc; \
01132             if( w - delta >= min_width ) \
01133                 w -= delta; \
01134             else \
01135                 { \
01136                 int delta = int( w * max_aspect_h / max_aspect_w - h ) / height_inc * height_inc; \
01137                 if( h + delta <= max_height ) \
01138                     h += delta; \
01139                 } \
01140             }
01141         switch( mode )
01142             {
01143             case SizemodeAny:
01144 #if 0 // make SizemodeAny equal to SizemodeFixedW - prefer keeping fixed width,
01145       // so that changing aspect ratio to a different value and back keeps the same size (#87298)
01146                 {
01147                 ASPECT_CHECK_SHRINK_H_GROW_W
01148                 ASPECT_CHECK_SHRINK_W_GROW_H
01149                 ASPECT_CHECK_GROW_H
01150                 ASPECT_CHECK_GROW_W
01151                 break;
01152                 }
01153 #endif
01154             case SizemodeFixedW:
01155                 {
01156                 // the checks are order so that attempts to modify height are first
01157                 ASPECT_CHECK_GROW_H
01158                 ASPECT_CHECK_SHRINK_H_GROW_W
01159                 ASPECT_CHECK_SHRINK_W_GROW_H
01160                 ASPECT_CHECK_GROW_W
01161                 break;
01162                 }
01163             case SizemodeFixedH:
01164                 {
01165                 ASPECT_CHECK_GROW_W
01166                 ASPECT_CHECK_SHRINK_W_GROW_H
01167                 ASPECT_CHECK_SHRINK_H_GROW_W
01168                 ASPECT_CHECK_GROW_H
01169                 break;
01170                 }
01171             case SizemodeMax:
01172                 {
01173                 // first checks that try to shrink
01174                 ASPECT_CHECK_SHRINK_H_GROW_W
01175                 ASPECT_CHECK_SHRINK_W_GROW_H
01176                 ASPECT_CHECK_GROW_W
01177                 ASPECT_CHECK_GROW_H
01178                 break;
01179                 }
01180             }
01181 #undef ASPECT_CHECK_SHRINK_H_GROW_W
01182 #undef ASPECT_CHECK_SHRINK_W_GROW_H
01183 #undef ASPECT_CHECK_GROW_W
01184 #undef ASPECT_CHECK_GROW_H
01185         w += xSizeHint.base_width;
01186         h += xSizeHint.base_height;
01187         }
01188     if( !rules()->checkStrictGeometry( false ))
01189         {
01190         // disobey increments and aspect when maximized
01191         if( maximizeMode() & MaximizeHorizontal )
01192             w = w1;
01193         if( maximizeMode() & MaximizeVertical )
01194             h = h1;
01195         }
01196 
01197     if( !noframe )
01198         {
01199         w += border_left + border_right;
01200         h += border_top + border_bottom;
01201         }
01202     return rules()->checkSize( QSize( w, h ));
01203     }
01204 
01208 void Client::getWmNormalHints()
01209     {
01210     long msize;
01211     if (XGetWMNormalHints(qt_xdisplay(), window(), &xSizeHint, &msize) == 0 )
01212         xSizeHint.flags = 0;
01213     // set defined values for the fields, even if they're not in flags
01214 
01215     if( xSizeHint.flags & PBaseSize )
01216         {
01217         // PBaseSize is a fallback for PMinSize according to ICCCM 4.1.2.3
01218         // The other way around PMinSize is not a complete fallback for PBaseSize,
01219         // so that's not handled here.
01220         if( ! ( xSizeHint.flags & PMinSize ))
01221             {
01222             xSizeHint.min_width = xSizeHint.base_width;
01223             xSizeHint.min_height = xSizeHint.base_height;
01224             }
01225         }
01226     else
01227         xSizeHint.base_width = xSizeHint.base_height = 0;
01228     if( ! ( xSizeHint.flags & PMinSize ))
01229         xSizeHint.min_width = xSizeHint.min_height = 0;
01230     if( ! ( xSizeHint.flags & PMaxSize ))
01231         xSizeHint.max_width = xSizeHint.max_height = INT_MAX;
01232     else
01233         {
01234         xSizeHint.max_width = QMAX( xSizeHint.max_width, 1 );
01235         xSizeHint.max_height = QMAX( xSizeHint.max_height, 1 );
01236         }
01237     if( xSizeHint.flags & PResizeInc )
01238         {
01239         xSizeHint.width_inc = kMax( xSizeHint.width_inc, 1 );
01240         xSizeHint.height_inc = kMax( xSizeHint.height_inc, 1 );
01241         }
01242     else
01243         {
01244         xSizeHint.width_inc = 1;
01245         xSizeHint.height_inc = 1;
01246         }
01247     if( xSizeHint.flags & PAspect )
01248         { // no dividing by zero
01249         xSizeHint.min_aspect.y = kMax( xSizeHint.min_aspect.y, 1 );
01250         xSizeHint.max_aspect.y = kMax( xSizeHint.max_aspect.y, 1 );
01251         }
01252     else
01253         {
01254         xSizeHint.min_aspect.x = 1;
01255         xSizeHint.min_aspect.y = INT_MAX;
01256         xSizeHint.max_aspect.x = INT_MAX;
01257         xSizeHint.max_aspect.y = 1;
01258         }
01259     if( ! ( xSizeHint.flags & PWinGravity ))
01260         xSizeHint.win_gravity = NorthWestGravity;
01261     if( isManaged())
01262         { // update to match restrictions
01263         QSize new_size = adjustedSize();
01264         if( new_size != size() && !isFullScreen())
01265             resizeWithChecks( new_size );
01266         }
01267     updateAllowedActions(); // affects isResizeable()
01268     }
01269 
01270 QSize Client::minSize() const
01271     {
01272     return rules()->checkMinSize( QSize( xSizeHint.min_width, xSizeHint.min_height ));
01273     }
01274 
01275 QSize Client::maxSize() const
01276     {
01277     return rules()->checkMaxSize( QSize( xSizeHint.max_width, xSizeHint.max_height ));
01278     }
01279 
01285 void Client::sendSyntheticConfigureNotify()
01286     {
01287     XConfigureEvent c;
01288     c.type = ConfigureNotify;
01289     c.send_event = True;
01290     c.event = window();
01291     c.window = window();
01292     c.x = x() + clientPos().x();
01293     c.y = y() + clientPos().y();
01294     c.width = clientSize().width();
01295     c.height = clientSize().height();
01296     c.border_width = 0;
01297     c.above = None;
01298     c.override_redirect = 0;
01299     XSendEvent( qt_xdisplay(), c.event, TRUE, StructureNotifyMask, (XEvent*)&c );
01300     }
01301 
01302 const QPoint Client::calculateGravitation( bool invert, int gravity ) const
01303     {
01304     int dx, dy;
01305     dx = dy = 0;
01306 
01307     if( gravity == 0 ) // default (nonsense) value for the argument
01308         gravity = xSizeHint.win_gravity;
01309 
01310 // dx, dy specify how the client window moves to make space for the frame
01311     switch (gravity)
01312         {
01313         case NorthWestGravity: // move down right
01314         default:
01315             dx = border_left;
01316             dy = border_top;
01317             break;
01318         case NorthGravity: // move right
01319             dx = 0;
01320             dy = border_top;
01321             break;
01322         case NorthEastGravity: // move down left
01323             dx = -border_right;
01324             dy = border_top;
01325             break;
01326         case WestGravity: // move right
01327             dx = border_left;
01328             dy = 0;
01329             break;
01330         case CenterGravity:
01331             break; // will be handled specially
01332         case StaticGravity: // don't move
01333             dx = 0;
01334             dy = 0;
01335             break;
01336         case EastGravity: // move left
01337             dx = -border_right;
01338             dy = 0;
01339             break;
01340         case SouthWestGravity: // move up right
01341             dx = border_left ;
01342             dy = -border_bottom;
01343             break;
01344         case SouthGravity: // move up
01345             dx = 0;
01346             dy = -border_bottom;
01347             break;
01348         case SouthEastGravity: // move up left
01349             dx = -border_right;
01350             dy = -border_bottom;
01351             break;
01352         }
01353     if( gravity != CenterGravity )
01354         { // translate from client movement to frame movement
01355         dx -= border_left;
01356         dy -= border_top;
01357         }
01358     else
01359         { // center of the frame will be at the same position client center without frame would be
01360         dx = - ( border_left + border_right ) / 2;
01361         dy = - ( border_top + border_bottom ) / 2;
01362         }
01363     if( !invert )
01364         return QPoint( x() + dx, y() + dy );
01365     else
01366         return QPoint( x() - dx, y() - dy );
01367     }
01368 
01369 void Client::configureRequest( int value_mask, int rx, int ry, int rw, int rh, int gravity, bool from_tool )
01370     {
01371     if( gravity == 0 ) // default (nonsense) value for the argument
01372         gravity = xSizeHint.win_gravity;
01373     if( value_mask & ( CWX | CWY ))
01374         {
01375         QPoint new_pos = calculateGravitation( true, gravity ); // undo gravitation
01376         if ( value_mask & CWX )
01377             new_pos.setX( rx );
01378         if ( value_mask & CWY )
01379             new_pos.setY( ry );
01380 
01381         // clever(?) workaround for applications like xv that want to set
01382         // the location to the current location but miscalculate the
01383         // frame size due to kwin being a double-reparenting window
01384         // manager
01385         if ( new_pos.x() == x() + clientPos().x() &&
01386              new_pos.y() == y() + clientPos().y() && gravity == NorthWestGravity )
01387             {
01388             new_pos.setX( x());
01389             new_pos.setY( y());
01390             }
01391 
01392         int nw = clientSize().width();
01393         int nh = clientSize().height();
01394         if ( value_mask & CWWidth )
01395             nw = rw;
01396         if ( value_mask & CWHeight )
01397             nh = rh;
01398         QSize ns = sizeForClientSize( QSize( nw, nh ) );
01399 
01400         // TODO what to do with maximized windows?
01401         if ( maximizeMode() != MaximizeFull
01402             || ns != size())
01403             {
01404             QRect orig_geometry = geometry();
01405             GeometryUpdatesPostponer blocker( this );
01406             move( new_pos );
01407             plainResize( ns );
01408             setGeometry( QRect( calculateGravitation( false, gravity ), size()));
01409             updateFullScreenHack( QRect( new_pos, QSize( nw, nh )));
01410             QRect area = workspace()->clientArea( WorkArea, this );
01411             if( !from_tool && ( !isSpecialWindow() || isToolbar()) && !isFullScreen()
01412                 && area.contains( orig_geometry ))
01413                 keepInArea( area );
01414 
01415             // this is part of the kicker-xinerama-hack... it should be
01416             // safe to remove when kicker gets proper ExtendedStrut support;
01417             // see Workspace::updateClientArea() and
01418             // Client::adjustedClientArea()
01419             if (hasStrut ())
01420                 workspace() -> updateClientArea ();
01421             }
01422         }
01423 
01424     if ( value_mask & (CWWidth | CWHeight )
01425         && ! ( value_mask & ( CWX | CWY )) )  // pure resize
01426         {
01427         int nw = clientSize().width();
01428         int nh = clientSize().height();
01429         if ( value_mask & CWWidth )
01430             nw = rw;
01431         if ( value_mask & CWHeight )
01432             nh = rh;
01433         QSize ns = sizeForClientSize( QSize( nw, nh ) );
01434 
01435         if( ns != size())  // don't restore if some app sets its own size again
01436             {
01437             QRect orig_geometry = geometry();
01438             GeometryUpdatesPostponer blocker( this );
01439             int save_gravity = xSizeHint.win_gravity;
01440             xSizeHint.win_gravity = gravity;
01441             resizeWithChecks( ns );
01442             xSizeHint.win_gravity = save_gravity;
01443             updateFullScreenHack( QRect( calculateGravitation( true, xSizeHint.win_gravity ), QSize( nw, nh )));
01444             QRect area = workspace()->clientArea( WorkArea, this );
01445             if( !from_tool && ( !isSpecialWindow() || isToolbar()) && !isFullScreen()
01446                 && area.contains( orig_geometry ))
01447                 keepInArea( area );
01448             }
01449         }
01450     // No need to send synthetic configure notify event here, either it's sent together
01451     // with geometry change, or there's no need to send it.
01452     // Handling of the real ConfigureRequest event forces sending it, as there it's necessary.
01453     }
01454 
01455 void Client::resizeWithChecks( int w, int h, ForceGeometry_t force )
01456     {
01457     if( shade_geometry_change )
01458         assert( false );
01459     else if( isShade())
01460         {
01461         if( h == border_top + border_bottom )
01462             {
01463             kdWarning() << "Shaded geometry passed for size:" << endl;
01464             kdWarning() << kdBacktrace() << endl;
01465             }
01466         }
01467     int newx = x();
01468     int newy = y();
01469     QRect area = workspace()->clientArea( WorkArea, this );
01470     // don't allow growing larger than workarea
01471     if( w > area.width())
01472         w = area.width();
01473     if( h > area.height())
01474         h = area.height();
01475     QSize tmp = adjustedSize( QSize( w, h )); // checks size constraints, including min/max size
01476     w = tmp.width();
01477     h = tmp.height();
01478     switch( xSizeHint.win_gravity )
01479         {
01480         case NorthWestGravity: // top left corner doesn't move
01481         default:
01482             break;
01483         case NorthGravity: // middle of top border doesn't move
01484             newx = ( newx + width() / 2 ) - ( w / 2 );
01485             break;
01486         case NorthEastGravity: // top right corner doesn't move
01487             newx = newx + width() - w;
01488             break;
01489         case WestGravity: // middle of left border doesn't move
01490             newy = ( newy + height() / 2 ) - ( h / 2 );
01491             break;
01492         case CenterGravity: // middle point doesn't move
01493             newx = ( newx + width() / 2 ) - ( w / 2 );
01494             newy = ( newy + height() / 2 ) - ( h / 2 );
01495             break;
01496         case StaticGravity: // top left corner of _client_ window doesn't move
01497             // since decoration doesn't change, equal to NorthWestGravity
01498             break;
01499         case EastGravity: // // middle of right border doesn't move
01500             newx = newx + width() - w;
01501             newy = ( newy + height() / 2 ) - ( h / 2 );
01502             break;
01503         case SouthWestGravity: // bottom left corner doesn't move
01504             newy = newy + height() - h;
01505             break;
01506         case SouthGravity: // middle of bottom border doesn't move
01507             newx = ( newx + width() / 2 ) - ( w / 2 );
01508             newy = newy + height() - h;
01509             break;
01510         case SouthEastGravity: // bottom right corner doesn't move
01511             newx = newx + width() - w;
01512             newy = newy + height() - h;
01513             break;
01514         }
01515     // if it would be moved outside of workarea, keep it inside,
01516     // see also Client::computeWorkareaDiff()
01517     if( workarea_diff_x != INT_MIN && w <= area.width()) // was inside and can still fit
01518         {
01519         if( newx < area.left())
01520             newx = area.left();
01521         if( newx + w > area.right() + 1 )
01522             newx = area.right() + 1 - w;
01523         assert( newx >= area.left() && newx + w <= area.right() + 1 ); // width was checked above
01524         }
01525     if( workarea_diff_y != INT_MIN && h <= area.height()) // was inside and can still fit
01526         {
01527         if( newy < area.top())
01528             newy = area.top();
01529         if( newy + h > area.bottom() + 1 )
01530             newy = area.bottom() + 1 - h;
01531         assert( newy >= area.top() && newy + h <= area.bottom() + 1 ); // height was checked above
01532         }
01533     setGeometry( newx, newy, w, h, force );
01534     }
01535 
01536 // _NET_MOVERESIZE_WINDOW
01537 void Client::NETMoveResizeWindow( int flags, int x, int y, int width, int height )
01538     {
01539     int gravity = flags & 0xff;
01540     int value_mask = 0;
01541     if( flags & ( 1 << 8 ))
01542         value_mask |= CWX;
01543     if( flags & ( 1 << 9 ))
01544         value_mask |= CWY;
01545     if( flags & ( 1 << 10 ))
01546         value_mask |= CWWidth;
01547     if( flags & ( 1 << 11 ))
01548         value_mask |= CWHeight;
01549     configureRequest( value_mask, x, y, width, height, gravity, true );
01550     }
01551 
01556 bool Client::isMovable() const
01557     {
01558     if( !motif_may_move || isFullScreen())
01559         return false;
01560     if( isSpecialWindow() && !isOverride() && !isSplash() && !isToolbar()) // allow moving of splashscreens :)
01561         return false;
01562     if( maximizeMode() == MaximizeFull && !options->moveResizeMaximizedWindows() )
01563         return false;
01564     if( rules()->checkPosition( invalidPoint ) != invalidPoint ) // forced position
01565         return false;
01566     return true;
01567     }
01568 
01572 bool Client::isResizable() const
01573     {
01574     if( !motif_may_resize || isFullScreen())
01575         return false;
01576     if(( isSpecialWindow() || isSplash() || isToolbar()) && !isOverride())
01577         return false;
01578     if( maximizeMode() == MaximizeFull && !options->moveResizeMaximizedWindows() )
01579         return false;
01580     if( rules()->checkSize( QSize()).isValid()) // forced size
01581         return false;
01582 
01583     QSize min = minSize();
01584     QSize max = maxSize();
01585     return min.width() < max.width() || min.height() < max.height();
01586     }
01587 
01588 /*
01589   Returns whether the window is maximizable or not
01590  */
01591 bool Client::isMaximizable() const
01592     {
01593         { // isMovable() and isResizable() may be false for maximized windows
01594           // with moving/resizing maximized windows disabled
01595         TemporaryAssign< MaximizeMode > tmp( max_mode, MaximizeRestore );
01596         if( !isMovable() || !isResizable() || isToolbar()) // SELI isToolbar() ?
01597             return false;
01598         }
01599     if ( maximizeMode() != MaximizeRestore )
01600         return TRUE;
01601     QSize max = maxSize();
01602 #if 0
01603     if( max.width() < 32767 || max.height() < 32767 ) // sizes are 16bit with X
01604         return false;
01605 #else
01606     // apparently there are enough apps which specify some arbitrary value
01607     // for their maximum size just for the fun of it
01608     QSize areasize = workspace()->clientArea( MaximizeArea, this ).size();
01609     if( max.width() < areasize.width() || max.height() < areasize.height())
01610         return false;
01611 #endif
01612     return true;
01613     }
01614 
01615 
01619 void Client::setGeometry( int x, int y, int w, int h, ForceGeometry_t force )
01620     {
01621     // this code is also duplicated in Client::plainResize()
01622     // Ok, the shading geometry stuff. Generally, code doesn't care about shaded geometry,
01623     // simply because there are too many places dealing with geometry. Those places
01624     // ignore shaded state and use normal geometry, which they usually should get
01625     // from adjustedSize(). Such geometry comes here, and if the window is shaded,
01626     // the geometry is used only for client_size, since that one is not used when
01627     // shading. Then the frame geometry is adjusted for the shaded geometry.
01628     // This gets more complicated in the case the code does only something like
01629     // setGeometry( geometry()) - geometry() will return the shaded frame geometry.
01630     // Such code is wrong and should be changed to handle the case when the window is shaded,
01631     // for example using Client::clientSize().
01632     if( shade_geometry_change )
01633         ; // nothing
01634     else if( isShade())
01635         {
01636         if( h == border_top + border_bottom )
01637             {
01638             kdDebug() << "Shaded geometry passed for size:" << endl;
01639             kdDebug() << kdBacktrace() << endl;
01640             }
01641         else
01642             {
01643             client_size = QSize( w - border_left - border_right, h - border_top - border_bottom );
01644             h = border_top + border_bottom;
01645             }
01646         }
01647     else
01648         {
01649         client_size = QSize( w - border_left - border_right, h - border_top - border_bottom );
01650         }
01651     if( force == NormalGeometrySet && frame_geometry == QRect( x, y, w, h ))
01652         return;
01653     frame_geometry = QRect( x, y, w, h );
01654     updateWorkareaDiffs();
01655     if( postpone_geometry_updates != 0 )
01656         {
01657         pending_geometry_update = true;
01658         return;
01659         }
01660     XMoveResizeWindow( qt_xdisplay(), frameId(), x, y, w, h );
01661     resizeDecoration( QSize( w, h ));
01662     if( !isShade())
01663         {
01664         QSize cs = clientSize();
01665         XMoveResizeWindow( qt_xdisplay(), wrapperId(), clientPos().x(), clientPos().y(),
01666             cs.width(), cs.height());
01667         XMoveResizeWindow( qt_xdisplay(), window(), 0, 0, cs.width(), cs.height());
01668         }
01669     if( shape())
01670         updateShape();
01671     // SELI TODO won't this be too expensive?
01672     updateWorkareaDiffs();
01673     sendSyntheticConfigureNotify();
01674     updateWindowRules();
01675     checkMaximizeGeometry();
01676     }
01677 
01678 void Client::plainResize( int w, int h, ForceGeometry_t force )
01679     {
01680     // this code is also duplicated in Client::setGeometry(), and it's also commented there
01681     if( shade_geometry_change )
01682         ; // nothing
01683     else if( isShade())
01684         {
01685         if( h == border_top + border_bottom )
01686             {
01687             kdDebug() << "Shaded geometry passed for size:" << endl;
01688             kdDebug() << kdBacktrace() << endl;
01689             }
01690         else
01691             {
01692             client_size = QSize( w - border_left - border_right, h - border_top - border_bottom );
01693             h = border_top + border_bottom;
01694             }
01695         }
01696     else
01697         {
01698         client_size = QSize( w - border_left - border_right, h - border_top - border_bottom );
01699         }
01700     if( QSize( w, h ) != rules()->checkSize( QSize( w, h )))
01701         {
01702         kdDebug() << "forced size fail:" << QSize( w,h ) << ":" << rules()->checkSize( QSize( w, h )) << endl;
01703         kdDebug() << kdBacktrace() << endl;
01704         }
01705     if( force == NormalGeometrySet && frame_geometry.size() == QSize( w, h ))
01706         return;
01707     frame_geometry.setSize( QSize( w, h ));
01708     updateWorkareaDiffs();
01709     if( postpone_geometry_updates != 0 )
01710         {
01711         pending_geometry_update = true;
01712         return;
01713         }
01714     XResizeWindow( qt_xdisplay(), frameId(), w, h );
01715     resizeDecoration( QSize( w, h ));
01716     if( !isShade())
01717         {
01718         QSize cs = clientSize();
01719         XMoveResizeWindow( qt_xdisplay(), wrapperId(), clientPos().x(), clientPos().y(),
01720             cs.width(), cs.height());
01721         XMoveResizeWindow( qt_xdisplay(), window(), 0, 0, cs.width(), cs.height());
01722         }
01723     if( shape())
01724         updateShape();
01725     updateWorkareaDiffs();
01726     sendSyntheticConfigureNotify();
01727     updateWindowRules();
01728     checkMaximizeGeometry();
01729     }
01730 
01734 void Client::move( int x, int y, ForceGeometry_t force )
01735     {
01736     if( force == NormalGeometrySet && frame_geometry.topLeft() == QPoint( x, y ))
01737         return;
01738     frame_geometry.moveTopLeft( QPoint( x, y ));
01739     updateWorkareaDiffs();
01740     if( postpone_geometry_updates != 0 )
01741         {
01742         pending_geometry_update = true;
01743         return;
01744         }
01745     XMoveWindow( qt_xdisplay(), frameId(), x, y );
01746     sendSyntheticConfigureNotify();
01747     updateWindowRules();
01748     checkMaximizeGeometry();
01749     }
01750 
01751 
01752 void Client::postponeGeometryUpdates( bool postpone )
01753     {
01754     if( postpone )
01755         {
01756         if( postpone_geometry_updates == 0 )
01757             pending_geometry_update = false;
01758         ++postpone_geometry_updates;
01759         }
01760     else
01761         {
01762         if( --postpone_geometry_updates == 0 )
01763             {
01764             if( pending_geometry_update )
01765                 {
01766                 if( isShade())
01767                     setGeometry( QRect( pos(), adjustedSize()), ForceGeometrySet );
01768                 else
01769                     setGeometry( geometry(), ForceGeometrySet );
01770                 pending_geometry_update = false;
01771                 }
01772             }
01773         }
01774     }
01775 
01776 void Client::maximize( MaximizeMode m )
01777     {
01778     setMaximize( m & MaximizeVertical, m & MaximizeHorizontal );
01779     }
01780 
01784 void Client::setMaximize( bool vertically, bool horizontally )
01785     {   // changeMaximize() flips the state, so change from set->flip
01786     changeMaximize(
01787         max_mode & MaximizeVertical ? !vertically : vertically,
01788         max_mode & MaximizeHorizontal ? !horizontally : horizontally,
01789         false );
01790     }
01791 
01792 void Client::changeMaximize( bool vertical, bool horizontal, bool adjust )
01793     {
01794     if( !isMaximizable())
01795         return;
01796 
01797     MaximizeMode old_mode = max_mode;
01798     // 'adjust == true' means to update the size only, e.g. after changing workspace size
01799     if( !adjust )
01800         {
01801         if( vertical )
01802             max_mode = MaximizeMode( max_mode ^ MaximizeVertical );
01803         if( horizontal )
01804             max_mode = MaximizeMode( max_mode ^ MaximizeHorizontal );
01805         }
01806         
01807     max_mode = rules()->checkMaximize( max_mode );
01808     if( !adjust && max_mode == old_mode )
01809         return;
01810 
01811     GeometryUpdatesPostponer blocker( this );
01812 
01813     // maximing one way and unmaximizing the other way shouldn't happen
01814     Q_ASSERT( !( vertical && horizontal )
01815         || (( max_mode & MaximizeVertical != 0 ) == ( max_mode & MaximizeHorizontal != 0 )));
01816 
01817     QRect clientArea = workspace()->clientArea( MaximizeArea, this );
01818 
01819     // save sizes for restoring, if maximalizing
01820     if( !( y() == clientArea.top() && height() == clientArea.height()))
01821         {
01822         geom_restore.setTop( y());
01823         geom_restore.setHeight( height());
01824         }
01825     if( !( x() == clientArea.left() && width() == clientArea.width()))
01826         {
01827         geom_restore.setLeft( x());
01828         geom_restore.setWidth( width());
01829         }
01830 
01831     if( !adjust )
01832         {
01833         if(( vertical && !(old_mode & MaximizeVertical ))
01834             || ( horizontal && !( old_mode & MaximizeHorizontal )))
01835             Notify::raise( Notify::Maximize );
01836         else
01837             Notify::raise( Notify::UnMaximize );
01838         }
01839 
01840     if( decoration != NULL ) // decorations may turn off some borders when maximized
01841         decoration->borders( border_left, border_right, border_top, border_bottom );
01842 
01843     switch (max_mode)
01844         {
01845 
01846         case MaximizeVertical:
01847             {
01848             if( old_mode & MaximizeHorizontal ) // actually restoring from MaximizeFull
01849                 {
01850                 if( geom_restore.width() == 0 )
01851                     { // needs placement
01852                     plainResize( adjustedSize(QSize(width(), clientArea.height()), SizemodeFixedH ));
01853                     workspace()->placeSmart( this, clientArea );
01854                     }
01855                 else
01856                     setGeometry( QRect(QPoint( geom_restore.x(), clientArea.top()),
01857                               adjustedSize(QSize( geom_restore.width(), clientArea.height()), SizemodeFixedH )));
01858                 }
01859             else
01860                 setGeometry( QRect(QPoint(x(), clientArea.top()),
01861                               adjustedSize(QSize(width(), clientArea.height()), SizemodeFixedH )));
01862             info->setState( NET::MaxVert, NET::Max );
01863             break;
01864             }
01865 
01866         case MaximizeHorizontal:
01867             {
01868             if( old_mode & MaximizeVertical ) // actually restoring from MaximizeFull
01869                 {
01870                 if( geom_restore.height() == 0 )
01871                     { // needs placement
01872                     plainResize( adjustedSize(QSize(clientArea.width(), height()), SizemodeFixedW ));
01873                     workspace()->placeSmart( this, clientArea );
01874                     }
01875                 else
01876                     setGeometry( QRect( QPoint(clientArea.left(), geom_restore.y()),
01877                               adjustedSize(QSize(clientArea.width(), geom_restore.height()), SizemodeFixedW )));
01878                 }
01879             else
01880                 setGeometry( QRect( QPoint(clientArea.left(), y()),
01881                               adjustedSize(QSize(clientArea.width(), height()), SizemodeFixedW )));
01882             info->setState( NET::MaxHoriz, NET::Max );
01883             break;
01884             }
01885 
01886         case MaximizeRestore:
01887             {
01888             QRect restore = geometry();
01889     // when only partially maximized, geom_restore may not have the other dimension remembered
01890             if( old_mode & MaximizeVertical )
01891                 {
01892                 restore.setTop( geom_restore.top());
01893                 restore.setBottom( geom_restore.bottom());
01894                 }
01895             if( old_mode & MaximizeHorizontal )
01896                 {
01897                 restore.setLeft( geom_restore.left());
01898                 restore.setRight( geom_restore.right());
01899                 }
01900             if( !restore.isValid())
01901                 {
01902                 QSize s = QSize( clientArea.width()*2/3, clientArea.height()*2/3 );
01903                 if( geom_restore.width() > 0 )
01904                     s.setWidth( geom_restore.width());
01905                 if( geom_restore.height() > 0 )
01906                     s.setHeight( geom_restore.height());
01907                 plainResize( adjustedSize( s ));
01908                 workspace()->placeSmart( this, clientArea );
01909                 restore = geometry();
01910                 if( geom_restore.width() > 0 )
01911                     restore.moveLeft( geom_restore.x());
01912                 if( geom_restore.height() > 0 )
01913                     restore.moveTop( geom_restore.y());
01914                 }
01915             setGeometry( restore );
01916             info->setState( 0, NET::Max );
01917             break;
01918             }
01919 
01920         case MaximizeFull:
01921             {
01922             QSize adjSize = adjustedSize(clientArea.size(), SizemodeMax );
01923             QRect r = QRect(clientArea.topLeft(), adjSize);
01924             setGeometry( r );
01925             info->setState( NET::Max, NET::Max );
01926             break;
01927             }
01928         default:
01929             break;
01930         }
01931 
01932     updateAllowedActions();
01933     if( decoration != NULL )
01934         decoration->maximizeChange();
01935     updateWindowRules();
01936     }
01937 
01938 void Client::resetMaximize()
01939     {
01940     if( max_mode == MaximizeRestore )
01941         return;
01942     max_mode = MaximizeRestore;
01943     Notify::raise( Notify::UnMaximize );
01944     info->setState( 0, NET::Max );
01945     updateAllowedActions();
01946     if( decoration != NULL )
01947         decoration->borders( border_left, border_right, border_top, border_bottom );
01948     if( isShade())
01949         setGeometry( QRect( pos(), sizeForClientSize( clientSize())), ForceGeometrySet );
01950     else
01951         setGeometry( geometry(), ForceGeometrySet );
01952     if( decoration != NULL )
01953         decoration->maximizeChange();
01954     }
01955 
01956 void Client::checkMaximizeGeometry()
01957     {
01958     // when adding new bail-out conditions here, checkMaximizeGeometry() needs to be called
01959     // when after the condition is no longer true
01960     if( isShade())
01961         return;
01962     if( isMove() || isResize()) // this is because of the option to disallow moving/resizing of max-ed windows
01963         return;
01964     // Just in case.
01965     static int recursion_protection = 0;
01966     if( recursion_protection > 3 )
01967         {
01968         kdWarning( 1212 ) << "Check maximize overflow - you loose!" << endl;
01969         kdWarning( 1212 ) << kdBacktrace() << endl;
01970         return;
01971         }
01972     ++recursion_protection;
01973     QRect max_area = workspace()->clientArea( MaximizeArea, this );
01974     if( geometry() == max_area )
01975         {
01976         if( max_mode != MaximizeFull )
01977             maximize( MaximizeFull );
01978         }
01979     else if( x() == max_area.left() && width() == max_area.width())
01980         {
01981         if( max_mode != MaximizeHorizontal )
01982             maximize( MaximizeHorizontal );
01983         }
01984     else if( y() == max_area.top() && height() == max_area.height())
01985         {
01986         if( max_mode != MaximizeVertical )
01987             maximize( MaximizeVertical );
01988         }
01989     else if( max_mode != MaximizeRestore )
01990         {
01991         resetMaximize(); // not maximize( MaximizeRestore ), that'd change geometry - this is called from setGeometry()
01992         }
01993     --recursion_protection;
01994     }
01995 
01996 bool Client::isFullScreenable( bool fullscreen_hack ) const
01997     {
01998     if( !rules()->checkFullScreen( true ))
01999         return false;
02000     if( fullscreen_hack )
02001         return isNormalWindow() || isOverride();
02002     if( rules()->checkStrictGeometry( false ))
02003         {
02004         // the app wouldn't fit exactly fullscreen geometry due its strict geometry requirements
02005         QRect fsarea = workspace()->clientArea( FullScreenArea, this );
02006         if( sizeForClientSize( fsarea.size(), SizemodeAny, true ) != fsarea.size())
02007             return false;
02008         }
02009      // don't check size constrains - some apps request fullscreen despite requesting fixed size
02010     return !isSpecialWindow(); // also better disallow only weird types to go fullscreen
02011     }
02012 
02013 bool Client::userCanSetFullScreen() const
02014     {
02015     if( fullscreen_mode == FullScreenHack )
02016         return false;
02017     if( !isFullScreenable( false ))
02018         return false;
02019     // isMaximizable() returns false if fullscreen
02020     TemporaryAssign< FullScreenMode > tmp( fullscreen_mode, FullScreenNone );
02021     return isNormalWindow() && isMaximizable();
02022     }
02023 
02024 void Client::setFullScreen( bool set, bool user )
02025     {
02026     if( !isFullScreen() && !set )
02027         return;
02028     if( fullscreen_mode == FullScreenHack )
02029         return;
02030     if( user && !userCanSetFullScreen())
02031         return;
02032     set = rules()->checkFullScreen( set );
02033     setShade( ShadeNone );
02034     bool was_fs = isFullScreen();
02035     if( !was_fs )
02036         geom_fs_restore = geometry();
02037     fullscreen_mode = set ? FullScreenNormal : FullScreenNone;
02038     if( was_fs == isFullScreen())
02039         return;
02040     StackingUpdatesBlocker blocker1( workspace());
02041     GeometryUpdatesPostponer blocker2( this );
02042     workspace()->updateClientLayer( this ); // active fullscreens get different layer
02043     info->setState( isFullScreen() ? NET::FullScreen : 0, NET::FullScreen );
02044     updateDecoration( false, false );
02045     if( isFullScreen())
02046         setGeometry( workspace()->clientArea( FullScreenArea, this ));
02047     else
02048         {
02049         if( maximizeMode() != MaximizeRestore )
02050             changeMaximize( false, false, true ); // adjust size
02051         else if( !geom_fs_restore.isNull())
02052             setGeometry( QRect( geom_fs_restore.topLeft(), adjustedSize( geom_fs_restore.size())));
02053         // TODO isShaded() ?
02054         else
02055             { // does this ever happen?
02056             setGeometry( workspace()->clientArea( MaximizeArea, this ));
02057             }
02058         }
02059     updateWindowRules();
02060     }
02061 
02062 bool Client::checkFullScreenHack( const QRect& geom ) const
02063     {
02064     // if it's noborder window, and has size of one screen or the whole desktop geometry, it's fullscreen hack
02065     return (( geom.size() == workspace()->clientArea( FullArea, geom.center(), desktop()).size()
02066             || geom.size() == workspace()->clientArea( ScreenArea, geom.center(), desktop()).size())
02067         && noBorder() && !isUserNoBorder() && isFullScreenable( true ));
02068     }
02069 
02070 void Client::updateFullScreenHack( const QRect& geom )
02071     {
02072     bool is_hack = checkFullScreenHack( geom );
02073     if( fullscreen_mode == FullScreenNone && is_hack )
02074         {
02075         fullscreen_mode = FullScreenHack;
02076         updateDecoration( false, false );
02077         setGeometry( workspace()->clientArea( FullScreenArea, this ));
02078         }
02079     else if( fullscreen_mode == FullScreenHack && !is_hack )
02080         {
02081         fullscreen_mode = FullScreenNone;
02082         updateDecoration( false, false );
02083         // whoever called this must setup correct geometry
02084         }
02085     StackingUpdatesBlocker blocker( workspace());
02086     workspace()->updateClientLayer( this ); // active fullscreens get different layer
02087     }
02088 
02089 static QRect*       visible_bound  = 0;
02090 static GeometryTip* geometryTip    = 0;
02091 
02092 void Client::drawbound( const QRect& geom )
02093     {
02094     assert( visible_bound == NULL );
02095     visible_bound = new QRect( geom );
02096     doDrawbound( *visible_bound, false );
02097     }
02098 
02099 void Client::clearbound()
02100     {
02101     if( visible_bound == NULL )
02102         return;
02103     doDrawbound( *visible_bound, true );
02104     delete visible_bound;
02105     visible_bound = 0;
02106     }
02107 
02108 void Client::doDrawbound( const QRect& geom, bool clear )
02109     {
02110     if( decoration != NULL && decoration->drawbound( geom, clear ))
02111         return; // done by decoration
02112     QPainter p ( workspace()->desktopWidget() );
02113     p.setPen( QPen( Qt::white, 5 ) );
02114     p.setRasterOp( Qt::XorROP );
02115     // the line is 5 pixel thick, so compensate for the extra two pixels
02116     // on outside (#88657)
02117     QRect g = geom;
02118     if( g.width() > 5 )
02119         {
02120         g.setLeft( g.left() + 2 );
02121         g.setRight( g.right() - 2 );
02122         }
02123     if( g.height() > 5 )
02124         {
02125         g.setTop( g.top() + 2 );
02126         g.setBottom( g.bottom() - 2 );
02127         }
02128     p.drawRect( g );
02129     }
02130 
02131 void Client::positionGeometryTip()
02132     {
02133     assert( isMove() || isResize());
02134     // Position and Size display
02135     if (options->showGeometryTip())
02136         {
02137         if( !geometryTip )
02138             { // save under is not necessary with opaque, and seem to make things slower
02139             bool save_under = ( isMove() && rules()->checkMoveResizeMode( options->moveMode ) != Options::Opaque )
02140                         || ( isResize() && rules()->checkMoveResizeMode( options->resizeMode ) != Options::Opaque );
02141             geometryTip = new GeometryTip( &xSizeHint, save_under );
02142             }
02143         QRect wgeom( moveResizeGeom ); // position of the frame, size of the window itself
02144         wgeom.setWidth( wgeom.width() - ( width() - clientSize().width()));
02145         wgeom.setHeight( wgeom.height() - ( height() - clientSize().height()));
02146         if( isShade())
02147             wgeom.setHeight( 0 );
02148         geometryTip->setGeometry( wgeom );
02149         if( !geometryTip->isVisible())
02150             {
02151             geometryTip->show();
02152             geometryTip->raise();
02153             }
02154         }
02155     }
02156 
02157 class EatAllPaintEvents
02158     : public QObject
02159     {
02160     protected:
02161         virtual bool eventFilter( QObject* o, QEvent* e )
02162             { return e->type() == QEvent::Paint && o != geometryTip; }
02163     };
02164 
02165 static EatAllPaintEvents* eater = 0;
02166 
02167 bool Client::startMoveResize()
02168     {
02169     assert( !moveResizeMode );
02170     assert( QWidget::keyboardGrabber() == NULL );
02171     assert( QWidget::mouseGrabber() == NULL );
02172     if( QApplication::activePopupWidget() != NULL )
02173         return false; // popups have grab
02174     bool has_grab = false;
02175     // This reportedly improves smoothness of the moveresize operation,
02176     // something with Enter/LeaveNotify events, looks like XFree performance problem or something *shrug*
02177     // (http://lists.kde.org/?t=107302193400001&r=1&w=2)
02178     XSetWindowAttributes attrs;
02179     QRect r = workspace()->clientArea( FullArea, this );
02180     move_resize_grab_window = XCreateWindow( qt_xdisplay(), workspace()->rootWin(), r.x(), r.y(),
02181         r.width(), r.height(), 0, CopyFromParent, InputOnly, CopyFromParent, 0, &attrs );
02182     XMapRaised( qt_xdisplay(), move_resize_grab_window );
02183     if( XGrabPointer( qt_xdisplay(), move_resize_grab_window, False,
02184         ButtonPressMask | ButtonReleaseMask | PointerMotionMask | EnterWindowMask | LeaveWindowMask,
02185         GrabModeAsync, GrabModeAsync, None, cursor.handle(), qt_x_time ) == Success )
02186         has_grab = true;
02187     if( XGrabKeyboard( qt_xdisplay(), frameId(), False, GrabModeAsync, GrabModeAsync, qt_x_time ) == Success )
02188         has_grab = true;
02189     if( !has_grab ) // at least one grab is necessary in order to be able to finish move/resize
02190         {
02191         XDestroyWindow( qt_xdisplay(), move_resize_grab_window );
02192         move_resize_grab_window = None;
02193         return false;
02194         }
02195     if ( maximizeMode() != MaximizeRestore )
02196         resetMaximize();
02197     moveResizeMode = true;
02198     workspace()->setClientIsMoving(this);
02199     initialMoveResizeGeom = moveResizeGeom = geometry();
02200     checkUnrestrictedMoveResize();
02201     // rule out non opaque windows from useless translucency settings, maybe resizes?
02202     if ((isResize() && options->removeShadowsOnResize) || (isMove() && options->removeShadowsOnMove))
02203         setShadowSize(0);
02204     if (rules()->checkMoveResizeMode( options->moveMode ) == Options::Opaque){
02205         savedOpacity_ = opacity_;
02206         setOpacity(options->translucentMovingWindows, options->movingWindowOpacity);
02207     }
02208     if ( ( isMove() && rules()->checkMoveResizeMode( options->moveMode ) != Options::Opaque )
02209       || ( isResize() && rules()->checkMoveResizeMode( options->resizeMode ) != Options::Opaque ) )
02210         {
02211         grabXServer();
02212         kapp->sendPostedEvents();
02213         // we have server grab -> nothing should cause paint events
02214         // unfortunately, that's not completely true, Qt may generate
02215         // paint events on some widgets due to FocusIn(?)
02216         // eat them, otherwise XOR painting will be broken (#58054)
02217         // paint events for the geometrytip need to be allowed, though
02218         eater = new EatAllPaintEvents;
02219 // not needed anymore?        kapp->installEventFilter( eater );
02220         }
02221     Notify::raise( isResize() ? Notify::ResizeStart : Notify::MoveStart );
02222     return true;
02223     }
02224 
02225 void Client::finishMoveResize( bool cancel )
02226     {
02227     leaveMoveResize();
02228     if( cancel )
02229         setGeometry( initialMoveResizeGeom );
02230     else
02231         setGeometry( moveResizeGeom );
02232     checkMaximizeGeometry();
02233 // FRAME    update();
02234     Notify::raise( isResize() ? Notify::ResizeEnd : Notify::MoveEnd );
02235     }
02236 
02237 void Client::leaveMoveResize()
02238     {
02239     // rule out non opaque windows from useless translucency settings, maybe resizes?
02240     if (rules()->checkMoveResizeMode( options->moveMode ) == Options::Opaque)
02241         setOpacity(true, savedOpacity_);
02242     if ((isResize() && options->removeShadowsOnResize) || (isMove() && options->removeShadowsOnMove))
02243         updateShadowSize();
02244     clearbound();
02245     if (geometryTip)
02246         {
02247         geometryTip->hide();
02248         delete geometryTip;
02249         geometryTip = NULL;
02250         }
02251     if ( ( isMove() && rules()->checkMoveResizeMode( options->moveMode ) != Options::Opaque )
02252       || ( isResize() && rules()->checkMoveResizeMode( options->resizeMode ) != Options::Opaque ) )
02253         ungrabXServer();
02254     XUngrabKeyboard( qt_xdisplay(), qt_x_time );
02255     XUngrabPointer( qt_xdisplay(), qt_x_time );
02256     XDestroyWindow( qt_xdisplay(), move_resize_grab_window );
02257     move_resize_grab_window = None;
02258     workspace()->setClientIsMoving(0);
02259     if( move_faked_activity )
02260         workspace()->unfakeActivity( this );
02261     move_faked_activity = false;
02262     moveResizeMode = false;
02263     delete eater;
02264     eater = 0;
02265     }
02266 
02267 // This function checks if it actually makes sense to perform a restricted move/resize.
02268 // If e.g. the titlebar is already outside of the workarea, there's no point in performing
02269 // a restricted move resize, because then e.g. resize would also move the window (#74555).
02270 // NOTE: Most of it is duplicated from handleMoveResize().
02271 void Client::checkUnrestrictedMoveResize()
02272     {
02273     if( unrestrictedMoveResize )
02274         return;
02275     QRect desktopArea = workspace()->clientArea( WorkArea, moveResizeGeom.center(), desktop());
02276     int left_marge, right_marge, top_marge, bottom_marge, titlebar_marge;
02277     // restricted move/resize - keep at least part of the titlebar always visible 
02278     // how much must remain visible when moved away in that direction
02279     left_marge = KMIN( 100 + border_right, moveResizeGeom.width());
02280     right_marge = KMIN( 100 + border_left, moveResizeGeom.width());
02281     // width/height change with opaque resizing, use the initial ones
02282     titlebar_marge = initialMoveResizeGeom.height();
02283     top_marge = border_bottom;
02284     bottom_marge = border_top;
02285     if( isResize())
02286         {
02287         if( moveResizeGeom.bottom() < desktopArea.top() + top_marge )
02288             unrestrictedMoveResize = true;
02289         if( moveResizeGeom.top() > desktopArea.bottom() - bottom_marge )
02290             unrestrictedMoveResize = true;
02291         if( moveResizeGeom.right() < desktopArea.left() + left_marge )
02292             unrestrictedMoveResize = true;
02293         if( moveResizeGeom.left() > desktopArea.right() - right_marge )
02294             unrestrictedMoveResize = true;
02295         if( !unrestrictedMoveResize && moveResizeGeom.top() < desktopArea.top() ) // titlebar mustn't go out
02296             unrestrictedMoveResize = true;
02297         }
02298     if( isMove())
02299         {
02300         if( moveResizeGeom.bottom() < desktopArea.top() + titlebar_marge - 1 ) // titlebar mustn't go out
02301             unrestrictedMoveResize = true;
02302         // no need to check top_marge, titlebar_marge already handles it
02303         if( moveResizeGeom.top() > desktopArea.bottom() - bottom_marge )
02304             unrestrictedMoveResize = true;
02305         if( moveResizeGeom.right() < desktopArea.left() + left_marge )
02306             unrestrictedMoveResize = true;
02307         if( moveResizeGeom.left() > desktopArea.right() - right_marge )
02308             unrestrictedMoveResize = true;
02309         }
02310     }
02311 
02312 void Client::handleMoveResize( int x, int y, int x_root, int y_root )
02313     {
02314     if(( mode == PositionCenter && !isMovable())
02315         || ( mode != PositionCenter && ( isShade() || !isResizable())))
02316         return;
02317 
02318     if ( !moveResizeMode )
02319         {
02320         QPoint p( QPoint( x, y ) - moveOffset );
02321         if (p.manhattanLength() >= 6)
02322             {
02323             if( !startMoveResize())
02324                 {
02325                 buttonDown = false;
02326                 setCursor( mode );
02327                 return;
02328                 }
02329             }
02330         else
02331             return;
02332         }
02333 
02334     // ShadeHover or ShadeActive, ShadeNormal was already avoided above
02335     if ( mode != PositionCenter && shade_mode != ShadeNone )
02336         setShade( ShadeNone );
02337 
02338     QPoint globalPos( x_root, y_root );
02339     // these two points limit the geometry rectangle, i.e. if bottomleft resizing is done,
02340     // the bottomleft corner should be at is at (topleft.x(), bottomright().y())
02341     QPoint topleft = globalPos - moveOffset;
02342     QPoint bottomright = globalPos + invertedMoveOffset;
02343     QRect previousMoveResizeGeom = moveResizeGeom;
02344 
02345     // TODO move whole group when moving its leader or when the leader is not mapped?
02346 
02347     // compute bounds
02348     // NOTE: This is duped in checkUnrestrictedMoveResize().
02349     QRect desktopArea = workspace()->clientArea( WorkArea, globalPos, desktop());
02350     int left_marge, right_marge, top_marge, bottom_marge, titlebar_marge;
02351     if( unrestrictedMoveResize ) // unrestricted, just don't let it go out completely
02352         left_marge = right_marge = top_marge = bottom_marge = titlebar_marge = 5;
02353     else // restricted move/resize - keep at least part of the titlebar always visible 
02354         {        
02355         // how much must remain visible when moved away in that direction
02356         left_marge = KMIN( 100 + border_right, moveResizeGeom.width());
02357         right_marge = KMIN( 100 + border_left, moveResizeGeom.width());
02358         // width/height change with opaque resizing, use the initial ones
02359         titlebar_marge = initialMoveResizeGeom.height();
02360         top_marge = border_bottom;
02361         bottom_marge = border_top;
02362         }
02363 
02364     bool update = false;
02365     if( isResize())
02366         {
02367         // first resize (without checking constrains), then snap, then check bounds, then check constrains
02368         QRect orig = initialMoveResizeGeom;
02369         Sizemode sizemode = SizemodeAny;
02370         switch ( mode )
02371             {
02372             case PositionTopLeft:
02373                 moveResizeGeom =  QRect( topleft, orig.bottomRight() ) ;
02374                 break;
02375             case PositionBottomRight:
02376                 moveResizeGeom =  QRect( orig.topLeft(), bottomright ) ;
02377                 break;
02378             case PositionBottomLeft:
02379                 moveResizeGeom =  QRect( QPoint( topleft.x(), orig.y() ), QPoint( orig.right(), bottomright.y()) ) ;
02380                 break;
02381             case PositionTopRight:
02382                 moveResizeGeom =  QRect( QPoint( orig.x(), topleft.y() ), QPoint( bottomright.x(), orig.bottom()) ) ;
02383                 break;
02384             case PositionTop:
02385                 moveResizeGeom =  QRect( QPoint( orig.left(), topleft.y() ), orig.bottomRight() ) ;
02386                 sizemode = SizemodeFixedH; // try not to affect height
02387                 break;
02388             case PositionBottom:
02389                 moveResizeGeom =  QRect( orig.topLeft(), QPoint( orig.right(), bottomright.y() ) ) ;
02390                 sizemode = SizemodeFixedH;
02391                 break;
02392             case PositionLeft:
02393                 moveResizeGeom =  QRect( QPoint( topleft.x(), orig.top() ), orig.bottomRight() ) ;
02394                 sizemode = SizemodeFixedW;
02395                 break;
02396             case PositionRight:
02397                 moveResizeGeom =  QRect( orig.topLeft(), QPoint( bottomright.x(), orig.bottom() ) ) ;
02398                 sizemode = SizemodeFixedW;
02399                 break;
02400             case PositionCenter:
02401             default:
02402                 assert( false );
02403                 break;
02404             }
02405 
02406         // adjust new size to snap to other windows/borders
02407         moveResizeGeom = workspace()->adjustClientSize( this, moveResizeGeom, mode );
02408 
02409         // NOTE: This is duped in checkUnrestrictedMoveResize().
02410         if( moveResizeGeom.bottom() < desktopArea.top() + top_marge )
02411             moveResizeGeom.setBottom( desktopArea.top() + top_marge );
02412         if( moveResizeGeom.top() > desktopArea.bottom() - bottom_marge )
02413             moveResizeGeom.setTop( desktopArea.bottom() - bottom_marge );
02414         if( moveResizeGeom.right() < desktopArea.left() + left_marge )
02415             moveResizeGeom.setRight( desktopArea.left() + left_marge );
02416         if( moveResizeGeom.left() > desktopArea.right() - right_marge )
02417             moveResizeGeom.setLeft(desktopArea.right() - right_marge );
02418         if( !unrestrictedMoveResize && moveResizeGeom.top() < desktopArea.top() ) // titlebar mustn't go out
02419             moveResizeGeom.setTop( desktopArea.top());
02420 
02421         QSize size = adjustedSize( moveResizeGeom.size(), sizemode );
02422         // the new topleft and bottomright corners (after checking size constrains), if they'll be needed
02423         topleft = QPoint( moveResizeGeom.right() - size.width() + 1, moveResizeGeom.bottom() - size.height() + 1 );
02424         bottomright = QPoint( moveResizeGeom.left() + size.width() - 1, moveResizeGeom.top() + size.height() - 1 );
02425         orig = moveResizeGeom;
02426         switch ( mode )
02427             { // these 4 corners ones are copied from above
02428             case PositionTopLeft:
02429                 moveResizeGeom =  QRect( topleft, orig.bottomRight() ) ;
02430                 break;
02431             case PositionBottomRight:
02432                 moveResizeGeom =  QRect( orig.topLeft(), bottomright ) ;
02433                 break;
02434             case PositionBottomLeft:
02435                 moveResizeGeom =  QRect( QPoint( topleft.x(), orig.y() ), QPoint( orig.right(), bottomright.y()) ) ;
02436                 break;
02437             case PositionTopRight:
02438                 moveResizeGeom =  QRect( QPoint( orig.x(), topleft.y() ), QPoint( bottomright.x(), orig.bottom()) ) ;
02439                 break;
02440             // The side ones can't be copied exactly - if aspect ratios are specified, both dimensions may change.
02441             // Therefore grow to the right/bottom if needed.
02442             // TODO it should probably obey gravity rather than always using right/bottom ?
02443             case PositionTop:
02444                 moveResizeGeom =  QRect( QPoint( orig.left(), topleft.y() ), QPoint( bottomright.x(), orig.bottom()) ) ;
02445                 break;
02446             case PositionBottom:
02447                 moveResizeGeom =  QRect( orig.topLeft(), QPoint( bottomright.x(), bottomright.y() ) ) ;
02448                 break;
02449             case PositionLeft:
02450                 moveResizeGeom =  QRect( QPoint( topleft.x(), orig.top() ), QPoint( orig.right(), bottomright.y()));
02451                 break;
02452             case PositionRight:
02453                 moveResizeGeom =  QRect( orig.topLeft(), QPoint( bottomright.x(), bottomright.y() ) ) ;
02454                 break;
02455             case PositionCenter:
02456             default:
02457                 assert( false );
02458                 break;
02459             }
02460         if( moveResizeGeom.size() != previousMoveResizeGeom.size())
02461             update = true;
02462         }
02463     else if( isMove())
02464         {
02465         assert( mode == PositionCenter );
02466         // first move, then snap, then check bounds
02467         moveResizeGeom.moveTopLeft( topleft );
02468         moveResizeGeom.moveTopLeft( workspace()->adjustClientPosition( this, moveResizeGeom.topLeft() ) );
02469         // NOTE: This is duped in checkUnrestrictedMoveResize().
02470         if( moveResizeGeom.bottom() < desktopArea.top() + titlebar_marge - 1 ) // titlebar mustn't go out
02471             moveResizeGeom.moveBottom( desktopArea.top() + titlebar_marge - 1 );
02472         // no need to check top_marge, titlebar_marge already handles it
02473         if( moveResizeGeom.top() > desktopArea.bottom() - bottom_marge )
02474             moveResizeGeom.moveTop( desktopArea.bottom() - bottom_marge );
02475         if( moveResizeGeom.right() < desktopArea.left() + left_marge )
02476             moveResizeGeom.moveRight( desktopArea.left() + left_marge );
02477         if( moveResizeGeom.left() > desktopArea.right() - right_marge )
02478             moveResizeGeom.moveLeft(desktopArea.right() - right_marge );
02479         if( moveResizeGeom.topLeft() != previousMoveResizeGeom.topLeft())
02480             update = true;
02481         }
02482     else
02483         assert( false );
02484 
02485     if( update )
02486         {
02487         if( rules()->checkMoveResizeMode
02488             ( isResize() ? options->resizeMode : options->moveMode ) == Options::Opaque )
02489             {
02490             setGeometry( moveResizeGeom );
02491             positionGeometryTip();
02492             }
02493         else if( rules()->checkMoveResizeMode
02494             ( isResize() ? options->resizeMode : options->moveMode ) == Options::Transparent )
02495             {
02496             clearbound();  // it's necessary to move the geometry tip when there's no outline
02497             positionGeometryTip(); // shown, otherwise it would cause repaint problems in case
02498             drawbound( moveResizeGeom ); // they overlap; the paint event will come after this,
02499             }                               // so the geometry tip will be painted above the outline
02500         }
02501     if ( isMove() )
02502       workspace()->clientMoved(globalPos, qt_x_time);
02503     }
02504 
02505 
02506 } // namespace
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This file is part of the documentation for kwin Library Version 3.4.2.
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