Object look-and-feel class. More...

#include <ilviews/gadgets/scrollb.h>

Inheritance diagram for IlvDefaultScrollBarLFHandler:

Public Member Functions
virtual void	drawContents (const IlvScrollBar , IlvPort , const IlvTransformer , const IlvRegion ) const
	Is called to draw the contents of a scroll bar. More...

virtual IlBoolean	handleEvent (IlvScrollBar *, IlvEvent &e) const
	Is called to handle the events of a scroll bar. More...

Public Member Functions inherited from IlvScrollBarLFHandler
	IlvScrollBarLFHandler (IlvLookFeelHandler *lfh)
	Constructor. More...

virtual void	computeBBox (const IlvScrollBar sb, IlvRect &arrow1, IlvRect &internal, IlvRect &arrow2, IlvRect &thumb, const IlvTransformer t) const =0
	Is called to compute the bounding boxes of the scroll bar parts. More...

virtual void	drawArrow (const IlvScrollBar sb, IlvPosition position, IlvPort dst, const IlvRect &arrow, const IlvRegion *clip) const =0
	Is called to draw the arrows of a scroll bar. More...

virtual void	drawBackground (const IlvScrollBar sb, IlvPort dst, const IlvTransformer t, const IlvRegion clip) const =0
	Is called to draw the background of a scroll bar. More...

virtual void	drawFrame (const IlvScrollBar sb, IlvPort dst, const IlvTransformer t, const IlvRegion clip) const =0
	Is called to draw the frame of a scroll bar. More...

virtual void	drawInternal (const IlvScrollBar sb, IlvPort dst, const IlvRect &internal, const IlvRect &thumb, const IlvRegion *clip) const =0
	Is called to draw the internal part of a scroll bar. More...

virtual IlBoolean	isValidPosition (const IlvScrollBar sb, const IlvPoint &point, const IlvTransformer t) const =0
	Indicates whether a given position is valid for the scroll bar. More...

Detailed Description

Object look-and-feel class.

Library: ilvgadgt

The predefined object look-and-feel handlers of the scroll bar are subclasses of this class. It defines several methods of the base class that are common to all predefined looks.

Member Function Documentation

◆ drawContents()

virtual void IlvDefaultScrollBarLFHandler::drawContents	(	const IlvScrollBar *	sb,
		IlvPort *	dst,
		const IlvTransformer *	t,
		const IlvRegion *	clip
	)		const

virtual

Is called to draw the contents of a scroll bar.

Parameters

sb	The scroll bar.
dst	The destination port.
t	The transformer.
clip	The clipping region.

Implements IlvScrollBarLFHandler.

Reimplemented in IlvScrollBarMLFHandler, IlvScrollBarCSSLFHandler, and IlvScrollBarWLFHandler.

◆ handleEvent()

virtual IlBoolean IlvDefaultScrollBarLFHandler::handleEvent	(	IlvScrollBar *	sb,
		IlvEvent &	event
	)		const