workspace/kdm/kfrontend/themer/kdmpixmap.h

   1 /*
   2  *  Copyright (C) 2003 by Unai Garro <ugarro@users.sourceforge.net>
   3  *  Copyright (C) 2004 by Enrico Ros <rosenric@dei.unipd.it>
   4  *  Copyright (C) 2004 by Stephan Kulow <coolo@kde.org>
   5  *  Copyright (C) 2004 by Oswald Buddenhagen <ossi@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, write to the Free Software
  19  *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
  20  */
  21
  22 #ifndef KDMPIXMAP_H
  23 #define KDMPIXMAP_H
  24
  25 #include "kdmitem.h"
  26
  27 #include <QImage>
  28 #include <QPixmap>
  29
  30 class QSignalMapper;
  31 class KSvgRenderer;
  32
  33 /*
  34  * KdmPixmap. A pixmap element
  35  */
  36
  37 class KdmPixmap : public KdmItem {
  38         Q_OBJECT
  39
  40 public:
  41         KdmPixmap( QObject *parent, const QDomNode &node );
  42
  43 protected:
  44         // reimplemented; returns the size of loaded pixmap
  45         virtual QSize sizeHint();
  46
  47         // draw the pixmap
  48         virtual void drawContents( QPainter *p, const QRect &r );
  49
  50         // handle switching between normal / active / prelight configurations
  51         virtual void statusChanged( bool descend );
  52
  53         virtual void setGeometry( QStack<QSize> &parentSizes, const QRect &newGeometry, bool force );
  54
  55         struct PixmapStruct {
  56                 struct PixmapClass {
  57                         PixmapClass()
  58                                 : svgRenderer(0), present(false), svgImage(false) {}
  59                         QString fullpath;
  60                         QImage image;
  61                         KSvgRenderer *svgRenderer;
  62                         QPixmap readyPixmap;
  63                         QColor tint;
  64                         bool present;
  65                         bool svgImage;
  66                         QString svgElement;
  67                         QSize svgSizeHint;
  68                 } normal, active, prelight;
  69         } pixmap;
  70
  71         QSignalMapper *qsm;
  72
  73 private:
  74         // Method to load the image given by the theme
  75         void definePixmap( const QDomElement &el, PixmapStruct::PixmapClass &pc );
  76         bool loadPixmap( PixmapStruct::PixmapClass &pc );
  77         bool loadSvg( PixmapStruct::PixmapClass &pc );
  78         void applyTint( PixmapStruct::PixmapClass &pClass, QImage &img );
  79         void updateSize( PixmapStruct::PixmapClass &pClass );
  80         PixmapStruct::PixmapClass &getClass( ItemState sts );
  81         PixmapStruct::PixmapClass &getCurClass() { return getClass( state ); }
  82
  83 private Q_SLOTS:
  84         void slotAnimate( int sts );
  85 };
  86
  87 #endif