workspace/kwin/effects/lookingglass.h

   1 /********************************************************************
   2  KWin - the KDE window manager
   3  This file is part of the KDE project.
   4
   5 Copyright (C) 2007 Rivo Laks <rivolaks@hot.ee>
   6 Copyright (C) 2007 Christian Nitschkowski <christian.nitschkowski@kdemail.net>
   7
   8 This program is free software; you can redistribute it and/or modify
   9 it under the terms of the GNU General Public License as published by
  10 the Free Software Foundation; either version 2 of the License, or
  11 (at your option) any later version.
  12
  13 This program is distributed in the hope that it will be useful,
  14 but WITHOUT ANY WARRANTY; without even the implied warranty of
  15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16 GNU General Public License for more details.
  17
  18 You should have received a copy of the GNU General Public License
  19 along with this program.  If not, see <http://www.gnu.org/licenses/>.
  20 *********************************************************************/
  21
  22 #ifndef KWIN_LOOKINGGLASS_H
  23 #define KWIN_LOOKINGGLASS_H
  24
  25 #include <kwinshadereffect.h>
  26
  27 class KActionCollection;
  28
  29 namespace KWin
  30 {
  31
  32 /**
  33  * Enhanced magnifier
  34  **/
  35 class LookingGlassEffect : public QObject, public ShaderEffect
  36     {
  37     Q_OBJECT
  38     public:
  39         LookingGlassEffect();
  40         virtual ~LookingGlassEffect();
  41
  42         virtual void mouseChanged( const QPoint& pos, const QPoint& old,
  43             Qt::MouseButtons buttons, Qt::MouseButtons oldbuttons,
  44             Qt::KeyboardModifiers modifiers, Qt::KeyboardModifiers oldmodifiers );
  45
  46         virtual void prePaintScreen( ScreenPrePaintData& data, int time );
  47
  48     public slots:
  49         void toggle();
  50         void zoomIn();
  51         void zoomOut();
  52
  53     private:
  54         double zoom;
  55         double target_zoom;
  56         int radius;
  57         int initialradius;
  58         KActionCollection* actionCollection;
  59     };
  60
  61 } // namespace
  62
  63 #endif