QtSlideWindow.hh 6.41 KB
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/*===========================================================================*\
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*      Copyright (C) 2001-2011 by Computer Graphics Group, RWTH Aachen       *
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\*===========================================================================*/

/*===========================================================================*\
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\*===========================================================================*/
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#ifndef QT_SLIDE_WINDOW_
#define QT_SLIDE_WINDOW_

//=============================================================================
//
//  CLASS QtSlideWindow
//
//=============================================================================

//== INCLUDES =================================================================

#include <QSettings>
#include <QGraphicsProxyWidget>
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#include <QPropertyAnimation>

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#include <OpenFlipper/common/GlobalDefines.hh>

//== FORWARDDECLARATIONS ======================================================

class QtGraphicsButton;
class QTimeLine;
class QGraphicsItemAnimation;

//== CLASS DEFINITION =========================================================


/** \class QtSlideWindow QtSlideWindow.hh <OpenFlipper/widgets/glWidget/QtSlideWindow.hh>

   A graphics scene widget that has a hover slide effect and detach functionality
   for a child widget
 **/

class DLLEXPORT QtSlideWindow : public QGraphicsProxyWidget
{
    Q_OBJECT

  public:
    /** Create a glViewer.
    \param _name displayed titlebar name
    \param _parent parent graphics item
    */
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    QtSlideWindow (QString _name = 0, QGraphicsItem *_parent = 0);
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    /// recalculate geometry
    void updateGeometry ();

    /// attach a child widget
    void attachWidget (QWidget *_m);

    /// detach child widget
    void detachWidget ();


    /// saves the current state
    void saveState (QSettings &_settings);

    /// restores the state
    void restoreState (QSettings &_settings);

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    /// Call this to correctly set start and ending positions
    void updateParentGeometry();

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  private:

    /// paints decoration
    virtual void paintWindowFrame(QPainter *_painter, const QStyleOptionGraphicsItem *_option, QWidget *_widget = 0);

    /// track frame events
    virtual bool windowFrameEvent(QEvent *_e);

    /// categorize frame area
    virtual Qt::WindowFrameSection windowFrameSectionAt(const QPointF &_pos) const;

    /// hove event tracking
    virtual void hoverEnterEvent (QGraphicsSceneHoverEvent *_event);
    virtual void hoverLeaveEvent (QGraphicsSceneHoverEvent *_event);

    /// size & position event tracking
    virtual void resizeEvent (QGraphicsSceneResizeEvent *_event);
    virtual void moveEvent (QGraphicsSceneMoveEvent *_event);

  private slots:
    /// detach button pressed
    void detachPressed ();

    /// detached dialog closed
    void dialogClosed ();

    /// autohide button presed
    void autohidePressed ();

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    /// Slide widget up
    void slideUp();

    /// Slide widget down
    void slideDown();
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    // Slot is called whenever the animation is finished
    void animationFinished();
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  private:

    // name
    QString name_;

    // child widget
    QWidget *mainWidget_;

    // buttons
    QtGraphicsButton *autohideButton_;
    QtGraphicsButton *detachButton_;

    // detached dialog
    QDialog *dialog_;

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    // Starting position (for animation)
    QPointF startP_;

    // Ending position (for animation)
    QPointF endP_;

    // Track if widget is at bottom position
    bool down_;

    // Animation object
    QPropertyAnimation* animation_;

    // Is widget animating in this moment?
    bool animating_;
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};

//=============================================================================
//=============================================================================
#endif // QT_SLIDE_WINDOW_ defined
//=============================================================================