MCoeControlBackground Class Reference

#include <mw/coecntrl.h>

Link against: cone.lib

class MCoeControlBackground

Public Member Functions
pure virtual void	Draw(CWindowGc &, const CCoeControl &, const TRect &)
virtual IMPORT_C void	GetTextDrawer(CCoeTextDrawerBase &, const CCoeControl )

Protected Member Functions
	MCoeControlBackground()

Detailed Description

Interface to be used if a control elects to be a background drawer.

Parent controls can elect to take responsibility for drawing the background for their child controls. To achieve this, they should aggregate an object that implements this interface. CCoeControl::SetBackground() accepts the object and sets it as the background drawer

Constructor & Destructor Documentation

MCoeControlBackground ( )

IMPORT_C

MCoeControlBackground

(

)

[protected]

Member Function Documentation

Draw ( CWindowGc &, const CCoeControl &, const TRect & )

void	Draw	(	CWindowGc &	aGc,
			const CCoeControl &	aControl,
			const TRect &	aRect
		)	const [pure virtual]

Draw the background for a given control. The text drawer that shall be used to draw text on the specific background can be fetched through the GetTextDrawer() method.

Parameters
aGc	Graphics context used for drawing
aControl	The control being drawn (may be a child of the drawer)
aRect	The area to be redrawn

GetTextDrawer ( CCoeTextDrawerBase &, const CCoeControl )

IMPORT_C void	GetTextDrawer	(	CCoeTextDrawerBase *&	aTextDrawer,
			const CCoeControl *	aDrawingControl
		)	const [virtual]

This function retrieves the text drawer associated with the background. Default empty method.

Parameters
aTextDrawer	Not used.
aDrawingControl	Not used.