ScrollEvent Class Reference

#include <Pt/Forms/ScrollEvent.h>

Scroll or wheel movement. More...

Inherits BasicEvent< T >.

Public Types
enum	Wheel
	Defines a scroll axis.

Public Member Functions
	ScrollEvent ()
	Creates an event without a target and with zero delta.
	ScrollEvent (Widget &widget)
	Creates an event targeted at widget.
Pt::uint64_t	widgetId () const
	Returns the target widget ID, or 0 when no target is set.
Widget *	widget () const
	Returns the target widget, or 0 when no target is set.
void	setWidget (Widget *widget)
	Sets the target widget.
Pt::uint32_t	wheel () const
	Returns the scroll axis.
double	delta () const
	Returns the signed scroll delta.
void	set (Pt::uint32_t wheel, double d)
	Sets the scroll wheel and delta d.
Event &	clone (Allocator &allocator) const
	Clones this event using an allocator.
void	destroy (Allocator &allocator)
	Destroys this event using an allocator.
const std::type_info &	typeInfo () const
	Returns the type info for this class of events.

Static Public Member Functions
template<typename EventT >
static Event &	copyConstruct (const EventT &ev, Allocator &allocator)
	Copies an event using an allocator.
template<typename EventT >
static void	destruct (EventT &ev, Allocator &allocator)
	Destructs an event using an allocator.

Detailed Description

The event identifies the scroll axis. The widget pointer and widget ID identify the target.