workspace/kwin/effects/scalein.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 "scalein.h"
  22
  23 namespace KWin
  24 {
  25
  26 KWIN_EFFECT( scalein, ScaleInEffect )
  27
  28 void ScaleInEffect::prePaintScreen( ScreenPrePaintData& data, int time )
  29     {
  30     if( !mTimeLineWindows.isEmpty() )
  31         data.mask |= PAINT_SCREEN_WITH_TRANSFORMED_WINDOWS;
  32     effects->prePaintScreen( data, time );
  33     }
  34
  35 void ScaleInEffect::prePaintWindow( EffectWindow* w, WindowPrePaintData& data, int time )
  36     {
  37     if( mTimeLineWindows.contains( w ) )
  38         {
  39         mTimeLineWindows[ w ].setCurveShape( TimeLine::EaseOutCurve );
  40         mTimeLineWindows[ w ].addTime( time );
  41         if( mTimeLineWindows[ w ].value() < 1 )
  42             data.setTransformed();
  43         else
  44             mTimeLineWindows.remove( w );
  45         }
  46     effects->prePaintWindow( w, data, time );
  47     }
  48
  49 void ScaleInEffect::paintWindow( EffectWindow* w, int mask, QRegion region, WindowPaintData& data )
  50     {
  51     if( mTimeLineWindows.contains( w ) && isScaleWindow( w ) )
  52         {
  53         data.opacity *= mTimeLineWindows[ w ].value();
  54         data.xScale *= mTimeLineWindows[ w ].value();
  55         data.yScale *= mTimeLineWindows[ w ].value();
  56         data.xTranslate += int( w->width() / 2 * ( 1 - mTimeLineWindows[ w ].value() ) );
  57         data.yTranslate += int( w->height() / 2 * ( 1 - mTimeLineWindows[ w ].value() ) );
  58         }
  59     effects->paintWindow( w, mask, region, data );
  60     }
  61
  62 bool ScaleInEffect::isScaleWindow( EffectWindow* w )
  63     {
  64     // TODO: isSpecialWindow is rather generic, maybe tell windowtypes separately?
  65     if ( w->isPopupMenu() || w->isSpecialWindow() || w->isUtility() )
  66         return false;
  67     return true;
  68     }
  69
  70 void ScaleInEffect::postPaintWindow( EffectWindow* w )
  71     {
  72     if( mTimeLineWindows.contains( w ) )
  73         w->addRepaintFull(); // trigger next animation repaint
  74     effects->postPaintWindow( w );
  75     }
  76
  77 void ScaleInEffect::windowAdded( EffectWindow* c )
  78     {
  79     if( c->isOnCurrentDesktop())
  80         {
  81         mTimeLineWindows[ c ].setDuration( animationTime( 250 ));
  82         mTimeLineWindows[ c ].setProgress( 0.0 );
  83         c->addRepaintFull();
  84         }
  85     }
  86
  87 void ScaleInEffect::windowClosed( EffectWindow* c )
  88     {
  89     mTimeLineWindows.remove( c );
  90     }
  91
  92 } // namespace