kwin/desktopchangeosd.h

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/********************************************************************
KWin - the KDE window manager
This file is part of the KDE project.
Copyright (C) 2009 Martin Gräßlin <kde@martin-graesslin.com>
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, 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 General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*********************************************************************/
#ifndef DESKTOPCHANGEOSD_H
#define DESKTOPCHANGEOSD_H
#include <QGraphicsView>
#include <QGraphicsItem>
#include <QTimer>
#include <KDE/Plasma/FrameSvg>
#include <QWeakPointer>
class QGraphicsScene;
class QPropertyAnimation;
namespace KWin
{
class Workspace;
class DesktopChangeText : public QGraphicsItem
{
public:
DesktopChangeText( Workspace* ws );
~DesktopChangeText();
enum { Type = UserType + 2 };
inline void setWidth( float width ) { m_width = width;};
inline void setHeight( float height ) { m_height = height;};
virtual QRectF boundingRect() const;
virtual void paint( QPainter* painter, const QStyleOptionGraphicsItem*, QWidget* );
inline virtual int type() const { return Type; };
private:
Workspace* m_wspace;
float m_width;
float m_height;
};
class DesktopChangeOSD : public QGraphicsView
{
public:
DesktopChangeOSD( Workspace* ws );
~DesktopChangeOSD();
void reconfigure();
void desktopChanged( int old );
void numberDesktopsChanged();
inline Plasma::FrameSvg* itemFrame() { return &m_item_frame;};
inline int& getDelayTime() { return m_delayTime; };
protected:
virtual void hideEvent( QHideEvent* );
virtual void drawBackground( QPainter* painter, const QRectF& rect );
private:
void resize();
Workspace* m_wspace;
Plasma::FrameSvg m_frame;
Plasma::FrameSvg m_item_frame;
QGraphicsScene* m_scene;
bool m_active;
QTimer m_delayedHideTimer;
bool m_show;
int m_delayTime;
bool m_textOnly;
};
class DesktopChangeItem : public QObject, public QGraphicsItem
{
Q_OBJECT
Q_PROPERTY( qreal arrowValue READ arrowValue WRITE setArrowValue )
Q_PROPERTY( qreal highLightValue READ highLightValue WRITE setHighLightValue )
#if QT_VERSION >= 0x040600
Q_INTERFACES(QGraphicsItem)
#endif
public:
DesktopChangeItem( Workspace* ws, DesktopChangeOSD* parent, int desktop );
~DesktopChangeItem();
enum { Type = UserType + 1 };
void startDesktopHighLightAnimation( int time );
void stopDesktopHighLightAnimation();
inline void setWidth( float width ) { m_width = width;};
inline void setHeight( float height ) { m_height = height;};
inline int desktop() const { return m_desktop; };
virtual QRectF boundingRect() const;
virtual void paint( QPainter* painter, const QStyleOptionGraphicsItem*, QWidget* );
inline virtual int type() const { return Type; };
enum Arrow
{
NONE,
LEFT,
RIGHT,
UP,
DOWN
};
void setArrow( Arrow arrow, int start_delay, int hide_delay );
qreal arrowValue() const;
qreal highLightValue() const;
protected slots:
void setArrowValue( qreal value );
void setHighLightValue( qreal value );
private slots:
void showArrow();
void hideArrow();
void arrowAnimationFinished();
private:
Workspace* m_wspace;
DesktopChangeOSD* m_parent;
int m_desktop;
float m_width;
float m_height;
QTimer m_delayed_show_arrow_timer;
QTimer m_delayed_hide_arrow_timer;
Arrow m_arrow;
bool m_arrowShown;
bool m_fadeInArrow;
bool m_fadeInHighLight;
qreal m_arrowValue;
qreal m_highLightValue;
QWeakPointer<QPropertyAnimation> m_arrowAnimation;
QWeakPointer<QPropertyAnimation> m_highLightAnimation;
};
}
#endif // DESKTOPCHANGEOSD_H