QskFocusIndicator.h

/******************************************************************************
 * QSkinny - Copyright (C) The authors
 *           SPDX-License-Identifier: BSD-3-Clause
 *****************************************************************************/
 
#ifndef QSK_FOCUS_INDICATOR_H
#define QSK_FOCUS_INDICATOR_H
 
#include "QskControl.h"
 
class QSK_EXPORT QskFocusIndicator : public QskControl
{
    Q_OBJECT
 
    using Inherited = QskControl;
 
    Q_PROPERTY( int duration READ duration
        WRITE setDuration NOTIFY durationChanged )
 
  public:
    QSK_SUBCONTROLS( Panel )
 
    QskFocusIndicator( QQuickItem* parent = nullptr );
    ~QskFocusIndicator() override;
 
    /*
        duration until the indicator goes into disabled state after being enabled.
        A duration of 0 disables automatic state changes.
     */
    void setDuration( int ms );
    int duration() const;
 
    bool contains( const QPointF& ) const override;
    QRectF clipRect() const override;
 
    bool eventFilter( QObject*, QEvent* ) override;
 
  Q_SIGNALS:
    void durationChanged( int );
 
  protected:
    void windowChangeEvent( QskWindowChangeEvent* ) override;
    void timerEvent( QTimerEvent* ) override;
 
    virtual QRectF focusRect() const;
    void updateFocusFrame();
 
  private:
    void onFocusItemGeometryChanged();
    void onWindowSizeChanged( int );
 
    void onFocusItemChanged();
    void onFocusItemDestroyed();
 
    void resetTimer();
    void maybeEnable( bool );
 
    void connectWindow( const QQuickWindow*, bool on );
    QVector< QMetaObject::Connection > connectItem( const QQuickItem* );
 
    class PrivateData;
    std::unique_ptr< PrivateData > m_data;
};
 
#endif