workspace/kwin/deleted.cpp

   1 /********************************************************************
   2  KWin - the KDE window manager
   3  This file is part of the KDE project.
   4
   5 Copyright (C) 2006 Lubos Lunak <l.lunak@kde.org>
   6
   7 This program is free software; you can redistribute it and/or modify
   8 it under the terms of the GNU General Public License as published by
   9 the Free Software Foundation; either version 2 of the License, or
  10 (at your option) any later version.
  11
  12 This program is distributed in the hope that it will be useful,
  13 but WITHOUT ANY WARRANTY; without even the implied warranty of
  14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15 GNU General Public License for more details.
  16
  17 You should have received a copy of the GNU General Public License
  18 along with this program.  If not, see <http://www.gnu.org/licenses/>.
  19 *********************************************************************/
  20
  21 #include "deleted.h"
  22
  23 #include "workspace.h"
  24 #include "client.h"
  25 #include "effects.h"
  26
  27 namespace KWin
  28 {
  29
  30 Deleted::Deleted( Workspace* ws )
  31     : Toplevel( ws )
  32     , delete_refcount( 1 )
  33     {
  34     }
  35
  36 Deleted::~Deleted()
  37     {
  38     assert( delete_refcount == 0 );
  39     workspace()->removeDeleted( this, Allowed );
  40     deleteEffectWindow();
  41     }
  42
  43 Deleted* Deleted::create( Toplevel* c )
  44     {
  45     Deleted* d = new Deleted( c->workspace());
  46     d->copyToDeleted( c );
  47     d->workspace()->addDeleted( d, Allowed );
  48     return d;
  49     }
  50
  51 // to be used only from Workspace::finishCompositing()
  52 void Deleted::discard( allowed_t )
  53     {
  54     delete_refcount = 0;
  55     delete this;
  56     }
  57
  58 void Deleted::copyToDeleted( Toplevel* c )
  59     {
  60     assert( dynamic_cast< Deleted* >( c ) == NULL );
  61     Toplevel::copyToDeleted( c );
  62     desk = c->desktop();
  63     contentsRect = QRect( c->clientPos(), c->clientSize());
  64     if( WinInfo* cinfo = dynamic_cast< WinInfo* >( info ))
  65         cinfo->disable();
  66     }
  67
  68 void Deleted::unrefWindow( bool delay )
  69     {
  70     if( --delete_refcount > 0 )
  71         return;
  72     // needs to be delayed when calling from effects, otherwise it'd be rather
  73     // complicated to handle the case of the window going away during a painting pass
  74     if( delay )
  75         deleteLater();
  76     else
  77         delete this;
  78     }
  79
  80 int Deleted::desktop() const
  81     {
  82     return desk;
  83     }
  84
  85 QPoint Deleted::clientPos() const
  86     {
  87     return contentsRect.topLeft();
  88     }
  89
  90 QSize Deleted::clientSize() const
  91     {
  92     return contentsRect.size();
  93     }
  94
  95 void Deleted::debug( kdbgstream& stream ) const
  96     {
  97     stream << "\'ID:" << window() << "\' (deleted)";
  98     }
  99
 100 } // namespace
 101
 102 #include "deleted.moc"