workspace/kwin/effects/zoom.h

   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 #ifndef KWIN_ZOOM_H
  22 #define KWIN_ZOOM_H
  23
  24 #include <kwineffects.h>
  25
  26 namespace KWin
  27 {
  28
  29 class ZoomEffect
  30     : public QObject, public Effect
  31     {
  32     Q_OBJECT
  33     public:
  34         ZoomEffect();
  35         virtual void prePaintScreen( ScreenPrePaintData& data, int time );
  36         virtual void paintScreen( int mask, QRegion region, ScreenPaintData& data );
  37         virtual void postPaintScreen();
  38         virtual void mouseChanged( const QPoint& pos, const QPoint& old,
  39             Qt::MouseButtons buttons, Qt::MouseButtons oldbuttons,
  40             Qt::KeyboardModifiers modifiers, Qt::KeyboardModifiers oldmodifiers );
  41     private slots:
  42         void zoomIn();
  43         void zoomOut();
  44         void actualSize();
  45     private:
  46         double zoom;
  47         double target_zoom;
  48     };
  49
  50 } // namespace
  51
  52 #endif