Difference between revisions of "Event"

From GiderosMobile
Line 10: Line 10:
 
when an `Event.MOUSE_DOWN` event occurs, `x` and `y` fields contain the coordinates.<br />
 
when an `Event.MOUSE_DOWN` event occurs, `x` and `y` fields contain the coordinates.<br />
 
Users can create their own events and dispatch through the event mechanism.<br />
 
Users can create their own events and dispatch through the event mechanism.<br />
 +
=== Examples ===
 +
'''Mouse down event example'''<br/>
 +
<source lang="lua">function onMouseDown(event)
 +
print(event.x, event.y)
 +
end
 +
mysprite:addEventListener(Event.MOUSE_DOWN, onMouseDown)</source>
 +
'''User created event'''<br/>
 +
<source lang="lua">local event = Event.new(&quot;myevent&quot;)
 +
event.data1 = &quot;12345&quot;
 +
event.data2 = &quot;abcde&quot;
 +
mydispatcher:dispatchEvent(event)</source>
 
{|-
 
{|-
 
| style="width: 50%;"|
 
| style="width: 50%;"|

Revision as of 11:45, 23 August 2018

Supported platforms: android, ios, mac, pc
Available since: Gideros 2011.6

Description


The objects of `Event` class contains information about an event that has occurred. `Event` objects
are passed to event listeners when an event occurs.

Usually event objects contains specific additional information about the event that has occured. For example,
when an `Event.MOUSE_DOWN` event occurs, `x` and `y` fields contain the coordinates.
Users can create their own events and dispatch through the event mechanism.

Examples

Mouse down event example

function onMouseDown(event)
	print(event.x, event.y)
end
mysprite:addEventListener(Event.MOUSE_DOWN, onMouseDown)

User created event

local event = Event.new(&quot;myevent&quot;)
event.data1 = &quot;12345&quot;
event.data2 = &quot;abcde&quot;
mydispatcher:dispatchEvent(event)

Methods

Event.new - creates a new Event object
Event:getTarget - returns the element on which the event listener was registered
Event:getType - returns the type of Event
Event:stopPropagation - stops the propagation of the current event in the scene tree hierarchy

Events

Constants