/* * Copyright 2007 by Kevin Ottens <ervin@kde.org> * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU Library General Public License as * published by the Free Software Foundation; either version 2, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details * * You should have received a copy of the GNU Library General Public * License along with this program; if not, write to the * Free Software Foundation, Inc., * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */ #ifndef PLASMA_APPLETHANDLE_P_H #define PLASMA_APPLETHANDLE_P_H #include <QtCore/QObject> #include <QtGui/QGraphicsObject> #include <QTimer> #include <QWeakPointer> #include <QPropertyAnimation> #include "animator.h" #include "svg.h" class QGraphicsView; namespace Plasma { class Applet; class Containment; class FrameSvg; class View; class AppletHandle : public QGraphicsObject { Q_OBJECT Q_PROPERTY(qreal fadeAnimation READ fadeAnimation WRITE setFadeAnimation) Q_INTERFACES(QGraphicsItem) public: enum FadeType { FadeIn, FadeOut }; enum ButtonType { NoButton, MoveButton, RotateButton, ConfigureButton, RemoveButton, ResizeButton, MaximizeButton }; AppletHandle(Containment *parent, Applet *applet, const QPointF &hoverPos); virtual ~AppletHandle(); void detachApplet (); Applet *applet() const; QRectF boundingRect() const; QPainterPath shape() const; void paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget = 0); void startFading(FadeType anim, const QPointF &hoverPos, bool preserveSide = false); void setHoverPos(const QPointF &hoverPos); protected: void mousePressEvent(QGraphicsSceneMouseEvent *event); void mouseReleaseEvent(QGraphicsSceneMouseEvent *event); void mouseMoveEvent(QGraphicsSceneMouseEvent *event); void hoverEnterEvent(QGraphicsSceneHoverEvent *event); void hoverMoveEvent(QGraphicsSceneHoverEvent *event); void hoverLeaveEvent(QGraphicsSceneHoverEvent *event); bool sceneEventFilter(QGraphicsItem *watched, QEvent *event); bool sceneEvent(QEvent*); Q_SIGNALS: void disappearDone(AppletHandle *self); private Q_SLOTS: void setFadeAnimation(qreal progress); qreal fadeAnimation() const; void appletDestroyed(); void appletResized(); void hoverTimeout(); void leaveTimeout(); void emitDisappear(); void scheduleUpdate(); private: static const int HANDLE_MARGIN = 3; void calculateSize(); ButtonType mapToButton(const QPointF &point) const; void forceDisappear(); int minimumHeight(); /** * move our applet to another containment * @param containment the containment to move to * @param pos the (scene-relative) position to place it at */ void switchContainment(Containment *containment, const QPointF &pos); bool leaveCurrentView(const QPoint &pos) const; QRectF m_rect; QRectF m_decorationRect; QRectF m_totalRect; ButtonType m_pressedButton; Containment *m_containment; Applet *m_applet; int m_iconSize; qreal m_opacity; FadeType m_animType; QWeakPointer<QPropertyAnimation> m_anim; qreal m_angle; QColor m_gradientColor; QTimer *m_hoverTimer; QTimer *m_leaveTimer; QPixmap *m_backgroundBuffer; QGraphicsView *m_currentView; Svg *m_configureIcons; FrameSvg *m_background; QPoint m_mousePos; //mousepos relative to applet QPointF m_entryPos; //where the hover in event occurred qreal m_zValue; //current zValue of the applet, so it can be restored after drag. QRectF m_originalGeom; QTransform m_originalTransform; // used for both resize and rotate QPointF m_origAppletCenter; QPointF m_origAppletSize; // used for resize QPointF m_resizeStaticPoint; QPointF m_resizeGrabPoint; // used for rotate qreal m_rotateAngleOffset; // applet angle minus cursor angle bool m_buttonsOnRight : 1; bool m_pendingFade : 1; }; } #endif // multiple inclusion guard