workspace/kwin/effects/dialogparent.h

   1 /********************************************************************
   2  KWin - the KDE window manager
   3  This file is part of the KDE project.
   4
   5 Copyright (C) 2006 Rivo Laks <rivolaks@hot.ee>
   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 #ifndef KWIN_DIALOGPARENT_H
  22 #define KWIN_DIALOGPARENT_H
  23
  24 // Include with base class for effects.
  25 #include <kwineffects.h>
  26
  27
  28 namespace KWin
  29 {
  30
  31 /**
  32  * An effect which changes saturation and brighness of windows which have
  33  *  active modal dialogs.
  34  * This should make the dialog seem more important and emphasize that the
  35  *  window is inactive until the dialog is closed.
  36  **/
  37 class DialogParentEffect
  38     : public Effect
  39     {
  40     public:
  41         DialogParentEffect();
  42         virtual void reconfigure( ReconfigureFlags );
  43
  44         virtual void prePaintWindow( EffectWindow* w, WindowPrePaintData& data, int time );
  45         virtual void paintWindow( EffectWindow* w, int mask, QRegion region, WindowPaintData& data );
  46         virtual void postPaintWindow( EffectWindow* w );
  47
  48         virtual void windowClosed( EffectWindow* c );
  49         virtual void windowActivated( EffectWindow* c );
  50
  51     protected:
  52         bool hasModalWindow( EffectWindow* t );
  53     private:
  54         // The progress of the fading.
  55         QHash<EffectWindow*, double> effectStrength;
  56         double changeTime;
  57     };
  58
  59 } // namespace
  60
  61 #endif