krootpixmap.h

/*
 *
 * $Id$
 * This file is part of the KDE project, module kdesktop.
 * Copyright (C) 1999,2000 Geert Jansen <jansen@kde.org>
 *
 * You can Freely distribute this program under the GNU Library General
 * Public License. See the file "COPYING.LIB" for the exact licensing terms.
 */
 
#ifndef __KRootPixmap_h_Included__
#define __KRootPixmap_h_Included__
 
#include <tqobject.h>
#include <tqcolor.h>
#include <tdelibs_export.h>
 
#ifndef TQ_WS_QWS //FIXME
 
class TQRect;
class TQWidget;
class TQTimer;
class TDESharedPixmap;
class KRootPixmapData;

class TDEUI_EXPORT KRootPixmap: public TQObject
{
    TQ_OBJECT
 
public:
    KRootPixmap( TQWidget *target, const char *name=0 );

    KRootPixmap( TQWidget *target, TQObject *parent, const char *name=0 );

    virtual ~KRootPixmap();

    bool isAvailable() const;

    bool isActive() const { return m_bActive; }

    int currentDesktop() const;

    bool customPainting() const { return m_bCustomPaint; }
 
#ifndef KDE_NO_COMPAT
    TDE_DEPRECATED bool checkAvailable(bool) { return isAvailable(); }
#endif

    const TQColor &color() const { return m_FadeColor; }

    const double &blurRadius() const { return m_BlurRadius; }

    const double &blurSigma() const { return m_BlurSigma; }

    double opacity() const { return m_Fade; }
 
public slots:
    virtual void start();

    virtual void stop();

    void setFadeEffect(double opacity, const TQColor &color);

    void setBlurEffect(double radius, double sigma);

    void repaint( bool force );

    void repaint();

    void setCustomPainting( bool enable ) { m_bCustomPaint = enable; }

    void enableExports();

    static TQString pixmapName(int desk);
signals:
    void backgroundUpdated( const TQPixmap &pm );
 
protected:
    virtual bool eventFilter(TQObject *, TQEvent *);

    virtual void updateBackground( TDESharedPixmap * );
 
private slots:
    void slotBackgroundChanged(int);
    void slotDone(bool);
    void desktopChanged(int desktop);
    void desktopChanged( WId window, unsigned int properties );
 
private:
    bool m_bActive, m_bInit, m_bCustomPaint;
    int m_Desk;
 
    double m_Fade;
    TQColor m_FadeColor;
    double m_BlurRadius;
    double m_BlurSigma;
 
    TQRect m_Rect;
    TQWidget *m_pWidget;
    TQTimer *m_pTimer;
    TDESharedPixmap *m_pPixmap;
    KRootPixmapData *d;
 
    void init();
};
 
#endif // ! TQ_WS_QWS
#endif // __KRootPixmap_h_Included__