casa::PlotWheelEvent Class Reference

Event for when the user scrolls the scroll wheel. More...

#include <PlotEvent.h>

Inheritance diagram for casa::PlotWheelEvent:

Public Member Functions
	PlotWheelEvent (PlotCanvas *canvas, int delta, const PlotCoordinate &c)
	Constructor which takes the originating canvas, the wheel delta, and the location. More...
	~PlotWheelEvent ()
	Destructor. More...
void *	origin () const
	Overrides PlotEvent::origin(). More...
PlotCanvas *	canvas () const
	Canvas that was scrolled upon. More...
int	delta () const
	Scroll delta. More...
PlotCoordinate	where () const
	Where the scroll happened. More...
Public Member Functions inherited from casa::PlotEvent
	PlotEvent ()
virtual	~PlotEvent ()

Protected Attributes
PlotCanvas *	m_canvas
int	m_delta
PlotCoordinate	m_coord

Detailed Description

Event for when the user scrolls the scroll wheel.

The scroll event contains a "delta" which is negative when the user scrolls back and positive when the user scrolls forward. The number indicates how many "clicks" the user scrolled.

Definition at line 183 of file PlotEvent.h.

Constructor & Destructor Documentation

casa::PlotWheelEvent::PlotWheelEvent	(	PlotCanvas *	canvas,
		int	delta,
		const PlotCoordinate &	c
	)

Constructor which takes the originating canvas, the wheel delta, and the location.

casa::PlotWheelEvent::~PlotWheelEvent

(

)

Destructor.

Member Function Documentation

PlotCanvas* casa::PlotWheelEvent::canvas

(

)

const

Canvas that was scrolled upon.

Referenced by origin().

int casa::PlotWheelEvent::delta

(

)

const

Scroll delta.

void* casa::PlotWheelEvent::origin ( ) const

inlinevirtual

Overrides PlotEvent::origin().

Implements casa::PlotEvent.

Definition at line 193 of file PlotEvent.h.

References canvas().

PlotCoordinate casa::PlotWheelEvent::where

(

)

const

Where the scroll happened.

Member Data Documentation

PlotCanvas* casa::PlotWheelEvent::m_canvas

protected

Definition at line 205 of file PlotEvent.h.

PlotCoordinate casa::PlotWheelEvent::m_coord

protected

Definition at line 207 of file PlotEvent.h.

int casa::PlotWheelEvent::m_delta

protected

Definition at line 206 of file PlotEvent.h.

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The documentation for this class was generated from the following file:

• casa/code/graphics/GenericPlotter/PlotEvent.h