IlvTreeGadgetCSSLFHandler Class Reference

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

#include <ilviews/gadgets/css/tree.h>

Inheritance diagram for IlvTreeGadgetCSSLFHandler:

Public Member Functions
	IlvTreeGadgetCSSLFHandler (IlvLookFeelHandler *lfh)
	Constructor. More...
virtual void	drawButton (const IlvTreeGadget *tree, IlvPort *dst, const IlvTreeGadgetItem *item, const IlvRect &bbox, const IlvRegion *clip) const override
	Is called to draw the expand/collapse button of a tree gadget item. More...
virtual void	drawGadgetItem (const IlvTreeGadget *, const IlvTreeGadgetItem *, IlvPort *port, const IlvRect &rect, const IlvTransformer *t, const IlvRegion *clip) const override
	Is called to draw a tree gadget item. More...
IlvPalette *	getLinkPalette (const IlvTreeGadget *obj) const
	Returns the palette used to draw the links of the tree gadget. More...
virtual void	invalidateItem (IlvTreeGadget *tree, IlvGadgetItem *item, const IlvGadgetItemGeometry &previousSize, const IlvGadgetItemGeometry &currentSize) const override
	is called per GadgetItem in the tree to calculate and invalidate area for the next redraw. More...
Public Member Functions inherited from IlvDefaultTreeGadgetLFHandler
virtual void	drawBackground (const IlvTreeGadget *, IlvPort *, const IlvTransformer *, const IlvRegion *) const
	Is called to draw the background of a tree gadget. More...
virtual void	drawFrame (const IlvTreeGadget *, IlvPort *, const IlvTransformer *, const IlvRegion *) const
	Is called to draw the frame of a tree gadget. More...
virtual void	drawGadgetContents (const IlvTreeGadget *, IlvPort *, const IlvTransformer *, const IlvRegion *) const
	Is called to draw the contents of a tree gadget. More...
virtual const IlvPalette *	getWindowBackground (const IlvTreeGadget *) const
	Returns the palette used to draw the background of the tree gadget. More...
virtual IlBoolean	handleGadgetEvent (IlvTreeGadget *, IlvEvent &event) const
	Is called to handle the events of a tree gadget. More...
Public Member Functions inherited from IlvTreeGadgetLFHandler
	IlvTreeGadgetLFHandler (IlvLookFeelHandler *lfh)
	Constructor. More...

Detailed Description

Object Look-and-Feel class.

Library: ilvacsslook

The class for the object motif look-and-feel handler of the tree gadget.

Constructor & Destructor Documentation

IlvTreeGadgetCSSLFHandler()

IlvTreeGadgetCSSLFHandler::IlvTreeGadgetCSSLFHandler

(

IlvLookFeelHandler *

lfh

)

Constructor.

Creates a new IlvTreeGadgetCSSLFHandler instance and initializes it with lfh.

Parameters

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

Member Function Documentation

drawButton()

virtual void IlvTreeGadgetCSSLFHandler::drawButton ( const IlvTreeGadget *  tree, IlvPort *  dst, const IlvTreeGadgetItem *  item, const IlvRect &  bbox, const IlvRegion *  clip  ) const

overridevirtual

Is called to draw the expand/collapse button of a tree gadget item.

Parameters

tree	The tree gadget.
dst	The destination port.
item	The tree gadget item being drawn.
bbox	The rectangle where to draw the button.
clip	The clipping region.

Reimplemented from IlvDefaultTreeGadgetLFHandler.

drawGadgetItem()

virtual void IlvTreeGadgetCSSLFHandler::drawGadgetItem ( const IlvTreeGadget *  tree, const IlvTreeGadgetItem *  item, IlvPort *  dst, const IlvRect &  bbox, const IlvTransformer *  t, const IlvRegion *  clip  ) const

overridevirtual

Is called to draw a tree gadget item.

Parameters

tree	The tree gadget.
item	The tree gadget item to draw.
dst	The destination port.
bbox	The rectangle where to draw the item.
t	The transformer. Not Used.
clip	The clipping region.

Reimplemented from IlvDefaultTreeGadgetLFHandler.

getLinkPalette()

IlvPalette* IlvTreeGadgetCSSLFHandler::getLinkPalette ( const IlvTreeGadget *  tree ) const

virtual

Returns the palette used to draw the links of the tree gadget.

Parameters

tree	The tree gadget.

Returns

The palette used to draw the links of the tree gadget.

Implements IlvTreeGadgetLFHandler.

invalidateItem()

virtual void IlvTreeGadgetCSSLFHandler::invalidateItem ( IlvTreeGadget *  tree, IlvGadgetItem *  item, const IlvGadgetItemGeometry &  previousSize, const IlvGadgetItemGeometry &  currentSize  ) const

overridevirtual

is called per GadgetItem in the tree to calculate and invalidate area for the next redraw.

Parameters

item	The item in the tree gadget.
previousSize	the previous size of the GadgetItem.
currentSize	the current size of the GadgetItem.

Reimplemented from IlvDefaultTreeGadgetLFHandler.