File indexing completed on 2025-01-19 04:24:07

0001 /****************************************************************************************
0002  * Copyright (c) 2010 Daniel Faust <hessijames@gmail.com>                               *
0003  *                                                                                      *
0004  * This program is free software; you can redistribute it and/or modify it under        *
0005  * the terms of the GNU General Public License as published by the Free Software        *
0006  * Foundation; either version 2 of the License, or (at your option) any later           *
0007  * version.                                                                             *
0008  *                                                                                      *
0009  * This program is distributed in the hope that it will be useful, but WITHOUT ANY      *
0010  * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A      *
0011  * PARTICULAR PURPOSE. See the GNU General Public License for more details.             *
0012  *                                                                                      *
0013  * You should have received a copy of the GNU General Public License along with         *
0014  * this program.  If not, see <http://www.gnu.org/licenses/>.                           *
0015  ****************************************************************************************/
0016 
0017 #ifndef LABEL_OVERLAY_BUTTON_H
0018 #define LABEL_OVERLAY_BUTTON_H
0019 
0020 #include <QGraphicsItem>
0021 #include <QPixmap>
0022 
0023 class KIconEffect;
0024 class QGraphicsSceneHoverEvent;
0025 class QPainter;
0026 class QStyleOptionGraphicsItem;
0027 class QWidget;
0028 
0029 class LabelOverlayButton : public QObject, public QGraphicsItem
0030 {
0031     Q_OBJECT
0032     Q_INTERFACES( QGraphicsItem )
0033     Q_PROPERTY( qreal opacity READ opacity WRITE setOpacity )
0034 
0035 public:
0036     explicit LabelOverlayButton( QGraphicsItem *parent );
0037     ~LabelOverlayButton() override;
0038 
0039     void setPixmap( const QPixmap& pixmap );
0040     QPixmap pixmap();
0041     void setSize( int size );
0042     int size();
0043     void updateHoverStatus();
0044 
0045     QRectF boundingRect() const;
0046     void paint( QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget );
0047 
0048 protected:
0049     void hoverEnterEvent( QGraphicsSceneHoverEvent *event ) override;
0050     void hoverLeaveEvent( QGraphicsSceneHoverEvent *event ) override;
0051 
0052 private:
0053     KIconEffect     *m_iconEffect;
0054     QPixmap         m_pixmap;
0055     QPixmap         m_scaledPixmap;
0056     int             m_size;
0057     
0058 };
0059 
0060 #endif