be64c5939d
note: there's no visual feedback before you release the mouse button, and there's no way to drag back to the desktop. svn path=/trunk/KDE/kdebase/workspace/libs/plasma/; revision=770333
104 lines
3.2 KiB
C++
104 lines
3.2 KiB
C++
/*
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* Copyright 2007 by Kevin Ottens <ervin@kde.org>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU Library General Public License as
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* published by the Free Software Foundation; either version 2, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this program; if not, write to the
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* Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*/
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#ifndef PLASMA_APPLETHANDLE
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#define PLASMA_APPLETHANDLE
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#include <QtCore/QObject>
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#include <QtGui/QGraphicsItem>
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#include <QTimer>
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#include "phase.h"
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#include "svg.h"
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namespace Plasma
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{
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class Applet;
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class Containment;
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class AppletHandle : public QObject, public QGraphicsItem
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{
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Q_OBJECT
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public:
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enum FadeType { FadeIn, FadeOut };
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enum ButtonType { NoButton, MoveButton, RotateButton, ConfigureButton, RemoveButton, ResizeButton };
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AppletHandle(Containment *parent, Applet *applet);
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virtual ~AppletHandle();
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Applet *applet() const;
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QRectF boundingRect() const;
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void paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget = 0);
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void startFading(FadeType anim);
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protected:
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void mousePressEvent(QGraphicsSceneMouseEvent *event);
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void mouseReleaseEvent(QGraphicsSceneMouseEvent *event);
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void mouseMoveEvent(QGraphicsSceneMouseEvent *event);
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void hoverEnterEvent(QGraphicsSceneHoverEvent *event);
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void hoverLeaveEvent(QGraphicsSceneHoverEvent *event);
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QVariant itemChange(GraphicsItemChange change, const QVariant &value);
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bool sceneEventFilter(QGraphicsItem *watched, QEvent *event);
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Q_SIGNALS:
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void disappearDone(AppletHandle *self);
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private Q_SLOTS:
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void fadeAnimation(qreal progress);
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void appletDestroyed();
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void appletResized();
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void fadeIn();
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private:
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static const int HANDLE_WIDTH = 5;
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static const int ICON_SIZE = 16;
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static const int ICON_MARGIN = 8;
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void calculateSize();
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ButtonType mapToButton(const QPointF &point) const;
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void forceDisappear();
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/**
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* move our applet to another containment
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* @param containment the containment to move to
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* @param pos the (scene-relative) position to place it at
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*/
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void switchContainment(Containment *containment, const QPointF &pos);
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QRectF m_rect;
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ButtonType m_pressedButton;
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Containment *m_containment;
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Applet *m_applet;
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qreal m_opacity;
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FadeType m_anim;
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Phase::AnimId m_animId;
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qreal m_angle;
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qreal m_tempAngle;
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qreal m_scaleWidth;
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qreal m_scaleHeight;
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QColor m_gradientColor;
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QTimer *m_hoverTimer;
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bool m_buttonsOnRight;
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bool m_pendingFade;
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};
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}
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#endif // multiple inclusion guard
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