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Rogue Wave Views
Gadgets Package API Reference Guide

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IlvDefaultScrollBarLFHandler Class Reference

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

#include <ilviews/gadgets/scrollb.h>

Inheritance diagram for IlvDefaultScrollBarLFHandler:
IlvScrollBarLFHandler IlvObjectLFHandler IlvScrollBarMLFHandler IlvScrollBarWLFHandler IlvScrollBarVXLFHandler IlvScrollBarW95LFHandler

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

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
sbThe scroll bar.
dstThe destination port.
tThe transformer.
clipThe clipping region.

Implements IlvScrollBarLFHandler.

Reimplemented in IlvScrollBarWLFHandler, and IlvScrollBarMLFHandler.

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

Is called to handle the events of a scroll bar.

Parameters
sbThe scroll bar.
eventThe event to handle.
Returns
IlTrue if the event has been consumed.

Implements IlvScrollBarLFHandler.


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