qbusybar.h

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#ifndef __QBUSYBAR_H__
#define __QBUSYBAR_H__

#include <qwidget.h>

class QColor;
class QTimer;

class QBusyBar : public QWidget {
        Q_OBJECT

public:
        QBusyBar ( QWidget *parent = 0, const char *name = 0, int flags = 0 );
        virtual ~QBusyBar ( );

        bool isBusy ( ) const;

        void setParameters ( int div, int fade, int speed );

public slots:
        void beginBusy ( );
        void endBusy ( );
        
        void setBusy ( bool b ); 

protected:
        virtual void paintEvent ( QPaintEvent *e );
        
private slots:
        void slotTimeout ( );
        
private:
        QTimer *m_timer;
        int     m_busy;

        int     m_div;
        int     m_pos;  // 0 .. 2 * m_div - 1
        int     m_fade; // 0 .. m_div - 1       
        int     m_speed;        
        QColor *m_fadecols;
};

#endif

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