workspace/kcontrol/style/menupreview.h

   1 /*
   2  * Menu Transparency Preview Widget
   3  * Copyright (C) 2002 Karol Szwed <gallium@kde.org>
   4  *
   5  * This program is free software; you can redistribute it and/or
   6  * modify it under the terms of the GNU General Public
   7  * License version 2 as published by the Free Software Foundation.
   8  *
   9  * This program is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12  * General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU General Public License
  15  * along with this program; see the file COPYING.  If not, write to
  16  * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
  17  * Boston, MA 02110-1301, USA.
  18  */
  19
  20 #ifndef __MENUPREVIEW_H
  21 #define __MENUPREVIEW_H
  22
  23 #include <QWidget>
  24
  25 class MenuPreview : public QWidget
  26 {
  27         Q_OBJECT
  28
  29 public:
  30         enum PreviewMode {
  31                 NoEffect = 0,
  32                 Tint,
  33                 Blend
  34         };
  35
  36         MenuPreview( QWidget* parent, int opacity, PreviewMode pvm );
  37         ~MenuPreview();
  38
  39 public Q_SLOTS:
  40         void setOpacity( int opacity );
  41         void setPreviewMode( PreviewMode pvm );
  42
  43 protected:
  44         void paintEvent( QPaintEvent* pe );
  45
  46 private:
  47         void createPixmaps();
  48         void blendPixmaps();
  49
  50         QPixmap* pixBackground;
  51         QPixmap* pixOverlay;
  52         QPixmap* pixBlended;
  53         float menuOpacity;
  54         PreviewMode mode;
  55 };
  56
  57 // vim: set noet ts=4:
  58 #endif // __MENUPREVIEW_H
  59