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Rogue Wave Views 5.5.1

Rogue Wave Views
Gadgets Package API Reference Guide

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IlvSliderLFHandler Class Reference

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

#include <ilviews/gadgets/slider.h>

Inheritance diagram for IlvSliderLFHandler:
IlvObjectLFHandler IlvDefaultSliderLFHandler IlvSliderMLFHandler IlvSliderWLFHandler IlvSliderVXLFHandler IlvSliderW95LFHandler

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.

Detailed Description

Object Look-and-Feel class.

Library: ilvgadgt

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


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.

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.


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