NullOverlay Class Reference

#include <null_overlay.hh>

Inherits ost::img::gui::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 ()

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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