IlvSliderLFHandler Class Reference

Object Look-and-Feel class. More...

#include <ilviews/gadgets/slider.h>

Inheritance diagram for IlvSliderLFHandler:

List of all members.

Public Member Functions
	IlvSliderLFHandler (IlvLookFeelHandler *lfh)
	Constructor.
virtual void	computeBBox (const IlvSlider *slider, IlvRect &track, IlvRect &thumb, const IlvTransformer *t) const =0
	Is called to compute the bounding boxes of the slider components.
virtual void	drawBackground (const IlvSlider *slider, IlvPort *dst, const IlvTransformer *t, const IlvRegion *clip) const =0
	Is called to draw the background of a slider gadget.
virtual void	drawContents (const IlvSlider *slider, IlvPort *dst, const IlvTransformer *t, const IlvRegion *clip) const =0
	Is called to draw the contents of a slider gadget.
virtual void	drawFrame (const IlvSlider *slider, IlvPort *dst, const IlvTransformer *t, const IlvRegion *clip) const =0
	Is called to draw the frame of a slider gadget.
virtual void	drawThumb (const IlvSlider *sloder, IlvPort *dst, const IlvRect &rect, const IlvRegion *clip) const =0
	Is called to draw the thumb of a slider gadget.
virtual void	drawTrack (const IlvSlider *slider, IlvPort *dst, const IlvRect &rect, const IlvRegion *clip) const =0
	Is called to draw the track of a slider gadget.
virtual IlBoolean	handleEvent (IlvSlider *slider, IlvEvent &event) const =0
	Is called to handle the events of a slider gadget.
virtual IlInt	positionToValue (const IlvSlider *slider, const IlvPoint &point, const IlvTransformer *t) const =0
	Is called to compute the value of the slider at a specified point.

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Detailed Description

Object Look-and-Feel class.

Library: ilvgadgt

The base class for the object look-and-feel handlers of the slider gadget.

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Constructor & Destructor Documentation

IlvSliderLFHandler::IlvSliderLFHandler

(

IlvLookFeelHandler *

lfh

)

Constructor.

Creates a new IlvSliderLFHandler instance and initializes it with lfh.

Parameters:

lfh

The look-and-feel handler which this handler will be associated to.

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Member Function Documentation

virtual void IlvSliderLFHandler::computeBBox	(	const IlvSlider *	slider,
		IlvRect &	track,
		IlvRect &	thumb,
		const IlvTransformer *	t
	)			const [pure virtual]

Is called to compute the bounding boxes of the slider components.

Parameters:

	slider	The slider.
	track	The returned bounding box of the track of the slider.
	thumb	The returned bounding box of the thumb of the slider.
	t	The transformer.

Implemented in IlvSliderMLFHandler, IlvSliderVXLFHandler, IlvSliderW95LFHandler, and IlvSliderWLFHandler.

virtual void IlvSliderLFHandler::drawBackground	(	const IlvSlider *	slider,
		IlvPort *	dst,
		const IlvTransformer *	t,
		const IlvRegion *	clip
	)			const [pure virtual]

Is called to draw the background of a slider gadget.

Parameters:

	slider	The slider.
	dst	The destination port.
	t	The transformer.
	clip	The clipping region.

Implemented in IlvDefaultSliderLFHandler.

virtual void IlvSliderLFHandler::drawContents	(	const IlvSlider *	slider,
		IlvPort *	dst,
		const IlvTransformer *	t,
		const IlvRegion *	clip
	)			const [pure virtual]

Is called to draw the contents of a slider gadget.

Parameters:

	slider	The slider.
	dst	The destination port.
	t	The transformer.
	clip	The clipping region.

Implemented in IlvSliderMLFHandler, IlvDefaultSliderLFHandler, IlvSliderVXLFHandler, and IlvSliderW95LFHandler.

virtual void IlvSliderLFHandler::drawFrame	(	const IlvSlider *	slider,
		IlvPort *	dst,
		const IlvTransformer *	t,
		const IlvRegion *	clip
	)			const [pure virtual]

Is called to draw the frame of a slider gadget.

Parameters:

	slider	The slider.
	dst	The destination port.
	t	The transformer.
	clip	The clipping region.

Implemented in IlvDefaultSliderLFHandler.

virtual void IlvSliderLFHandler::drawThumb	(	const IlvSlider *	sloder,
		IlvPort *	dst,
		const IlvRect &	rect,
		const IlvRegion *	clip
	)			const [pure virtual]

Is called to draw the thumb of a slider gadget.

Parameters:

	slider	The slider.
	dst	The destination port.
	rect	The rectangle where to draw the thumb.
	clip	The clipping region.

Implemented in IlvSliderMLFHandler, IlvSliderVXLFHandler, IlvSliderW95LFHandler, and IlvSliderWLFHandler.

virtual void IlvSliderLFHandler::drawTrack	(	const IlvSlider *	slider,
		IlvPort *	dst,
		const IlvRect &	rect,
		const IlvRegion *	clip
	)			const [pure virtual]

Is called to draw the track of a slider gadget.

Parameters:

	slider	The slider.
	dst	The destination port.
	rect	The rectangle where to draw the track.
	clip	The clipping region.

Implemented in IlvSliderMLFHandler, IlvSliderVXLFHandler, IlvSliderW95LFHandler, and IlvSliderWLFHandler.

virtual IlBoolean IlvSliderLFHandler::handleEvent	(	IlvSlider *	slider,
		IlvEvent &	event
	)			const [pure virtual]

Is called to handle the events of a slider gadget.

Parameters:

	slider	The slider.
	event	The event to handle.

Returns:

IlTrue if the event has been consumed.

Implemented in IlvDefaultSliderLFHandler.

virtual IlInt IlvSliderLFHandler::positionToValue	(	const IlvSlider *	slider,
		const IlvPoint &	point,
		const IlvTransformer *	t
	)			const [pure virtual]

Is called to compute the value of the slider at a specified point.

Parameters:

	slider	The slider.
	point	The point.
	t	The transformer.

Implemented in IlvSliderMLFHandler, and IlvSliderWLFHandler.