workspace/kwin/clients/plastik/plastikbutton.h

   1 /* Plastik KWin window decoration
   2   Copyright (C) 2003-2005 Sandro Giessl <sandro@giessl.com>
   3
   4   based on the window decoration "Web":
   5   Copyright (C) 2001 Rik Hemsley (rikkus) <rik@kde.org>
   6
   7   This program is free software; you can redistribute it and/or
   8   modify it under the terms of the GNU General Public
   9   License as published by the Free Software Foundation; either
  10   version 2 of the License, or (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 GNU
  15   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; see the file COPYING.  If not, write to
  19   the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
  20   Boston, MA 02110-1301, USA.
  21  */
  22
  23 #ifndef PLASTIKBUTTON_H
  24 #define PLASTIKBUTTON_H
  25
  26 #include <QImage>
  27 #include "plastik.h"
  28
  29 #include <kcommondecoration.h>
  30
  31 class QTimer;
  32
  33 namespace KWinPlastik {
  34
  35 class PlastikClient;
  36
  37 class PlastikButton : public KCommonDecorationButton
  38 {
  39     Q_OBJECT
  40 public:
  41     PlastikButton(ButtonType type, PlastikClient *parent);
  42     ~PlastikButton();
  43
  44     void reset(unsigned long changed);
  45     PlastikClient * client() { return m_client; }
  46
  47 protected slots:
  48     void animate();
  49
  50 protected:
  51     void paintEvent(QPaintEvent *);
  52
  53 private:
  54     void enterEvent(QEvent *e);
  55     void leaveEvent(QEvent *e);
  56     void drawButton(QPainter *painter);
  57
  58 private:
  59     PlastikClient *m_client;
  60     ButtonIcon m_iconType;
  61     bool hover;
  62
  63     QTimer *animTmr;
  64     uint animProgress;
  65 };
  66
  67 /**
  68  * This class creates bitmaps which can be used as icons on buttons. The icons
  69  * are "hardcoded".
  70  * Over the previous "Gimp->xpm->QImage->recolor->SmoothScale->QPixmap" solution
  71  * it has the important advantage that icons are more scalable and at the same
  72  * time sharp and not blurred.
  73  */
  74 class IconEngine
  75 {
  76     public:
  77         static QBitmap icon(ButtonIcon icon, int size);
  78
  79     private:
  80         enum Object {
  81             HorizontalLine,
  82             VerticalLine,
  83             DiagonalLine,
  84             CrossDiagonalLine
  85         };
  86
  87         static void drawObject(QPainter &p, Object object, int x, int y, int length, int lineWidth);
  88 };
  89
  90 } // namespace KWinPlastik
  91
  92 #endif // PLASTIKBUTTON_H