IlvTextLFHandler Class Reference

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

#include <ilviews/gadgets/text.h>

Inheritance diagram for IlvTextLFHandler:

Public Member Functions
	IlvTextLFHandler (IlvLookFeelHandler *lfh)
	Constructor. More...
virtual void	drawBackground (const IlvText *text, IlvPort *dst, const IlvTransformer *t, const IlvRegion *clip) const =0
	Is called to draw the background of a text gadget. More...
virtual void	drawCursor (const IlvText *text, IlvPoint &point, IlvPort *dst, const IlvTransformer *t, const IlvRegion *clip) const =0
	Is called to draw the cursor of a text gadget. More...
virtual void	drawFrame (const IlvText *text, IlvPort *dst, const IlvTransformer *t, const IlvRegion *clip) const =0
	Is called to draw the frame of a text gadget. More...
virtual void	drawGadgetContents (const IlvText *text, IlvPort *dst, const IlvTransformer *t, const IlvRegion *clip) const =0
	Is called to draw the contents of a text gadget. More...
virtual void	drawSelection (const IlvText *text, IlvPort *dst, const IlvRect &rect, const IlvRegion *clip) const =0
	Is called to draw the selected part of a text gadget. More...
virtual IlBoolean	handleGadgetEvent (IlvText *text, IlvEvent &event) const =0
	Is called to handle the events of a text gadget. More...

Detailed Description

Object Look-and-Feel class.

Library: ilvadvgdt

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

Constructor & Destructor Documentation

IlvTextLFHandler()

IlvTextLFHandler::IlvTextLFHandler

(

IlvLookFeelHandler *

lfh

)

Constructor.

Creates a new IlvTextLFHandler instance and initializes it with lfh.

Parameters

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

Member Function Documentation

drawBackground()

virtual void IlvTextLFHandler::drawBackground ( const IlvText *  text, IlvPort *  dst, const IlvTransformer *  t, const IlvRegion *  clip  ) const

pure virtual

Is called to draw the background of a text gadget.

Parameters

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

Implemented in IlvDefaultTextLFHandler.

drawCursor()

virtual void IlvTextLFHandler::drawCursor ( const IlvText *  text, IlvPoint &  point, IlvPort *  dst, const IlvTransformer *  t, const IlvRegion *  clip  ) const

pure virtual

Is called to draw the cursor of a text gadget.

Parameters

text	The text gadget.
point	The point where the cursor will be drawn.
dst	The destination port.
t	The transformer.
clip	The clipping region.

Implemented in IlvTextWLFHandler, and IlvTextMLFHandler.

drawFrame()

virtual void IlvTextLFHandler::drawFrame ( const IlvText *  text, IlvPort *  dst, const IlvTransformer *  t, const IlvRegion *  clip  ) const

pure virtual

Is called to draw the frame of a text gadget.

Parameters

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

Implemented in IlvDefaultTextLFHandler.

drawGadgetContents()

virtual void IlvTextLFHandler::drawGadgetContents ( const IlvText *  text, IlvPort *  dst, const IlvTransformer *  t, const IlvRegion *  clip  ) const

pure virtual

Is called to draw the contents of a text gadget.

Parameters

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

Implemented in IlvDefaultTextLFHandler.

drawSelection()

virtual void IlvTextLFHandler::drawSelection ( const IlvText *  text, IlvPort *  dst, const IlvRect &  rect, const IlvRegion *  clip  ) const

pure virtual

Is called to draw the selected part of a text gadget.

Parameters

text	The text gadget.
dst	The destination port.
rect	The rectangle where to draw the selected text.
clip	The clipping region.

Implemented in IlvDefaultTextLFHandler.

handleGadgetEvent()

virtual IlBoolean IlvTextLFHandler::handleGadgetEvent ( IlvText *  text, IlvEvent &  event  ) const

pure virtual

Is called to handle the events of a text gadget.

Parameters

text	The text gadget.
event	The event to handle.

Returns

IlTrue if the event has been consumed.

Implemented in IlvDefaultTextLFHandler.