IlvViewHandler Class Reference

Class used to handle events that occurs on an IlvView. More...

#include <ilviews/base/view.h>

Inheritance diagram for IlvViewHandler:

Public Types
enum	EventType {   NoEvent, InputEvent, ExposeEvent, ResizeEvent,   DestroyEvent }
	This enumeration defines the possible values for the event mask of an IlvViewHandler object. More...

Public Member Functions
IlUInt	getMask () const
	Returns the event mask of the view handler. More...
IlvView *	getView () const
	Returns the view object observed by the view handler. More...
virtual void	handleDestroy ()
	Is called when the view observed by the view handler is being destroyed. More...
virtual void	handleExpose (IlvEvent &event)
	Is called when the view observed by the view handler receives an expose event. More...
virtual void	handleInput (IlvEvent &event)
	Is called when the view observed by the view handler receives an input event. More...
virtual void	handleResize (const IlvRect &rect)
	Is called when the view observed by the view handler is resized. More...
void	setMask (IlUInt mask)
	Sets the event mask of the view handler. More...
virtual void	setView (IlvView *view)
	Sets the view object observed by the view handler. More...
virtual void	viewDeleted ()
	Is called when the view observed by the view handler is deleted. More...

Detailed Description

Class used to handle events that occurs on an IlvView.

Library: views
IlvViewHandler is a class that handles event that occurs in an IlvView object. It defines several notification member function that are called when specific events occurs in the view, provided that the view handler event mask has been set correctly. The view handler event mask specifies what kind of event the view handler will track.

See also

IlvView.

Member Enumeration Documentation

EventType

enum IlvViewHandler::EventType

This enumeration defines the possible values for the event mask of an IlvViewHandler object.

See also

IlvViewHandler::setMask().

Enumerator
NoEvent	No events are sent to the view handler.
InputEvent	Input events are sent to the view handler
ExposeEvent	Expose events are sent to the view handler
ResizeEvent	Resize events are sent to the view handler.
DestroyEvent	Destroy events are sent to the view handler.

Member Function Documentation

getMask()

IlUInt IlvViewHandler::getMask

(

)

const

Returns the event mask of the view handler.

The event mask can be a combination of the symbols of the enumeration EventType.

Returns

The event mask of the view handler.

See also

setMask().

getView()

IlvView* IlvViewHandler::getView

(

)

const

Returns the view object observed by the view handler.

Returns

The view object observed by the view handler.

See also

setView()

handleDestroy()

virtual void IlvViewHandler::handleDestroy ( )

virtual

Is called when the view observed by the view handler is being destroyed.

The default implementation does nothing.

handleExpose()

virtual void IlvViewHandler::handleExpose ( IlvEvent &  event )

virtual

Is called when the view observed by the view handler receives an expose event.

The default implementation does nothing.

Parameters

event

The event containing the expose information.

See also

IlvEvent.

handleInput()

virtual void IlvViewHandler::handleInput ( IlvEvent &  event )

virtual

Is called when the view observed by the view handler receives an input event.

The default implementation does nothing.

Parameters

event

The input event.

See also

IlvEvent.

Reimplemented in IlvToolTipHandler.

handleResize()

virtual void IlvViewHandler::handleResize ( const IlvRect &  rect )

virtual

Is called when the view observed by the view handler is resized.

The default implementation does nothing.

Parameters

rect	The new size of the view.

Reimplemented in IlvAttachmentsHandler.

setMask()

void IlvViewHandler::setMask

(

IlUInt

mask

)

Sets the event mask of the view handler.

The event mask can be a combination of the symbols of the enumeration EventType.

Parameters

mask	The new event mask of the view handler.

See also

getMask(), handleResize(), handleInput(), handleDestroy(), handleExpose().

setView()

virtual void IlvViewHandler::setView ( IlvView *  view )

virtual

Sets the view object observed by the view handler.

Parameters

view	The new view object observed by the view handler.

See also

setView()

Reimplemented in IlvToolTipHandler, and IlvAttachmentsHandler.

viewDeleted()

virtual void IlvViewHandler::viewDeleted ( )

virtual

Is called when the view observed by the view handler is deleted.

The default implementation does nothing.

Reimplemented in IlvToolTipHandler.