NullOverlay Class Reference

#include <null_overlay.hh>

Inherits Overlay.

Public Member Functions
	NullOverlay ()
virtual void	OnDraw (QPainter &pnt, DataViewerPanel *dvp, bool is_active)
virtual bool	OnMouseEvent (QMouseEvent *e, DataViewerPanel *dvp, const QPoint &lastmouse)
virtual bool	OnKeyEvent (QKeyEvent *e, DataViewerPanel *dvp)
virtual void	OnMenuEvent (QAction *e)
virtual QMenu *	GetMenu ()
Public Member Functions inherited from Overlay
	Overlay (const String &name)
void	SetName (const String &name)
String	GetName () const

Additional Inherited Members
Public Slots inherited from Overlay
void	OnMenuEventSlot (QAction *e)
Signals inherited from Overlay
void	SettingsChanged ()
void	InfoTextChanged (const QString &t)

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Detailed Description

Definition at line 30 of file null_overlay.hh.

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Constructor & Destructor Documentation

NullOverlay

(

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Member Function Documentation

virtual QMenu* GetMenu ( )

virtual

return overlay specific pulldown menu

Reimplemented from Overlay.

virtual void OnDraw ( QPainter &  pnt, DataViewerPanel *  dvp, bool  is_active  )

virtual

call when redrawing is necessary

params: the drawing context, the parent data viewer, as well as a flag to indicate wether this overlay is currently active

Reimplemented from Overlay.

virtual bool OnKeyEvent ( QKeyEvent *  e, DataViewerPanel *  dvp  )

virtual

key event handler

see comments for the mouse events

Reimplemented from Overlay.

virtual void OnMenuEvent ( QAction *  e )

virtual

Reimplemented from Overlay.

virtual bool OnMouseEvent ( QMouseEvent *  e, DataViewerPanel *  dvp, const QPoint &  lastmouse  )

virtual

mouse event handler

if an overlay is active, it receives the mouse events. if it handles the event for itself, it should return true, otherwise false should be returned to give the data viewer a chance to handle the event for itself

Reimplemented from Overlay.

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The documentation for this class was generated from the following file:

• stage/include/ost/gui/data_viewer/null_overlay.hh