IlvDefaultScrolledGadgetLFHandler Class Reference

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

#include <ilviews/gadgets/scgadget.h>

Inheritance diagram for IlvDefaultScrolledGadgetLFHandler:

Public Member Functions
virtual void	drawContents (const IlvScrolledGadget *, IlvPort *, const IlvTransformer *, const IlvRegion *) const
	Is called to draw the contents of a scrolled gadget. More...
virtual void	drawScrollBar (const IlvScrolledGadget *, IlvPort *dst, IlvDirection dir, const IlvTransformer *t, const IlvRegion *clip) const
	Is called to draw an internal scroll bar of a scrolled gadget. More...
virtual IlBoolean	handleEvent (IlvScrolledGadget *sc, IlvEvent &e) const
	Is called to handle the events of a scrolled gadget. More...
virtual IlBoolean	handleScrollBarsEvent (IlvScrolledGadget *sc, IlvEvent &event) const
	Is called to handle the events of the scroll bars of a scrolled gadget. More...
virtual void	visibleBBox (const IlvScrolledGadget *obj, IlvRect &bbox, const IlvTransformer *t) const
	Is called to compute the visible area of the scrolled gadget. More...
Public Member Functions inherited from IlvScrolledGadgetLFHandler
	IlvScrolledGadgetLFHandler (IlvLookFeelHandler *lfh)
	Constructor. More...
virtual void	drawBackground (const IlvScrolledGadget *gadget, IlvPort *dst, const IlvTransformer *t, const IlvRegion *clip) const =0
	Is called to draw the background of a scrolled gadget. More...
virtual void	drawFrame (const IlvScrolledGadget *gadget, IlvPort *dst, const IlvTransformer *t, const IlvRegion *clip) const =0
	Is called to draw the frame of a scrolled gadget. More...
virtual IlvPalette *	getWindowBackground (const IlvScrolledGadget *gadget) const =0
	Returns the palette that will be used to draw the background of the scrolled gadget. More...
virtual void	internalBBox (const IlvScrolledGadget *gadget, IlvRect &rect, const IlvTransformer *t) const =0
	Is called to compute the internal area of a scrolled gadget. More...
virtual void	scrollBarBBox (const IlvScrolledGadget *gadget, IlvOrientation dir, IlvRect &rect, const IlvTransformer *t) const =0
	Is called to compute the size and position of the internal scroll bars. More...

Detailed Description

Object look-and-feel class.

Library: ilvadvgdt

The predefined object look-and-feel handlers of the scrolled gadget 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 IlvDefaultScrolledGadgetLFHandler::drawContents ( const IlvScrolledGadget *  gadget, IlvPort *  dst, const IlvTransformer *  t, const IlvRegion *  clip  ) const

virtual

Is called to draw the contents of a scrolled gadget.

Parameters

gadget	The scrolled gadget.
dst	The destination port.
t	The transformer.
clip	The clipping region.

Implements IlvScrolledGadgetLFHandler.

drawScrollBar()

virtual void IlvDefaultScrolledGadgetLFHandler::drawScrollBar ( const IlvScrolledGadget *  gadget, IlvPort *  dst, IlvDirection  dir, const IlvTransformer *  t, const IlvRegion *  clip  ) const

virtual

Is called to draw an internal scroll bar of a scrolled gadget.

Parameters

gadget	The scrolled gadget.
dst	The destination port.
dir	The orientation of the scroll bar.
t	The transformer.
clip	The clipping region.

Implements IlvScrolledGadgetLFHandler.

handleEvent()

virtual IlBoolean IlvDefaultScrolledGadgetLFHandler::handleEvent ( IlvScrolledGadget *  gadget, IlvEvent &  event  ) const

virtual

Is called to handle the events of a scrolled gadget.

Parameters

gadget	The scrolled gadget.
event	The event to handle.

Returns

IlTrue if the event has been consumed.

Implements IlvScrolledGadgetLFHandler.

handleScrollBarsEvent()

virtual IlBoolean IlvDefaultScrolledGadgetLFHandler::handleScrollBarsEvent ( IlvScrolledGadget *  gadget, IlvEvent &  event  ) const

virtual

Is called to handle the events of the scroll bars of a scrolled gadget.

Parameters

gadget	The scrolled gadget.
event	The event to handle.

Returns

IlTrue if the event has been consumed.

Implements IlvScrolledGadgetLFHandler.

visibleBBox()

virtual void IlvDefaultScrolledGadgetLFHandler::visibleBBox ( const IlvScrolledGadget *  gadget, IlvRect &  rect, const IlvTransformer *  t  ) const

virtual

Is called to compute the visible area of the scrolled gadget.

Parameters

gadget	The scrolled gadget.
rect	The returned rectangle of the visible area.
t	The transformer.

Implements IlvScrolledGadgetLFHandler.