KDE 4.4 API Reference Plasma
appletoverlay.h
Go to the documentation of this file.00001 /* 00002 * Copyright 2009 Marco Martin <notmart@gmail.com> 00003 * 00004 * This program is free software; you can redistribute it and/or modify 00005 * it under the terms of the GNU Library General Public License as 00006 * published by the Free Software Foundation; either version 2, or 00007 * (at your option) any later version. 00008 * 00009 * This program is distributed in the hope that it will be useful, 00010 * but WITHOUT ANY WARRANTY; without even the implied warranty of 00011 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 00012 * GNU General Public License for more details 00013 * 00014 * You should have received a copy of the GNU Library General Public 00015 * License along with this program; if not, write to the 00016 * Free Software Foundation, Inc., 00017 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. 00018 */ 00019 00020 #ifndef APPLETOVERLAY_H 00021 #define APPLETOVERLAY_H 00022 00023 00024 #include <QGraphicsWidget> 00025 00026 namespace Plasma 00027 { 00028 class Applet; 00029 class Svg; 00030 } 00031 00032 class Newspaper; 00033 class AppletMoveSpacer; 00034 class QGraphicsLinearLayout; 00035 class QTimer; 00036 00037 class AppletOverlay : public QGraphicsWidget 00038 { 00039 Q_OBJECT 00040 00041 friend class AppletMoveSpacer; 00042 00043 public: 00044 explicit AppletOverlay(QGraphicsWidget *parent = 0, Newspaper *newspaper = 0); 00045 ~AppletOverlay(); 00046 00047 void showSpacer(const QPointF &pos); 00048 00049 protected: 00050 void paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget=0); 00051 void mousePressEvent(QGraphicsSceneMouseEvent *event); 00052 void mouseMoveEvent(QGraphicsSceneMouseEvent *event); 00053 void hoverMoveEvent(QGraphicsSceneHoverEvent *event); 00054 void mouseReleaseEvent(QGraphicsSceneMouseEvent *event); 00055 void dragEnterEvent(QGraphicsSceneDragDropEvent *event); 00056 void dragMoveEvent(QGraphicsSceneDragDropEvent *event); 00057 void dropEvent(QGraphicsSceneDragDropEvent *event); 00058 00059 protected Q_SLOTS: 00060 void scrollTimeout(); 00061 void appletDestroyed(); 00062 void spacerRequestedDrop(QGraphicsSceneDragDropEvent *event); 00063 00064 private: 00065 Plasma::Applet *m_applet; 00066 Newspaper *m_newspaper; 00067 AppletMoveSpacer *m_spacer; 00068 Plasma::Svg *m_icons; 00069 QGraphicsLinearLayout *m_spacerLayout; 00070 int m_spacerIndex; 00071 QTimer *m_scrollTimer; 00072 bool m_scrollDown; 00073 bool m_clickDrag; 00074 QPointF m_origin; 00075 }; 00076 00077 #endif
