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Class abgui.ImageButton

A button showing an image and calling its listeners when clicked.

Constructor

function init(pathOrIcon=null, align=HCENTER|VCENTER)
Overridesabgui.Image.init()

Initialize a new image button.
Parameters:
pathOrIcon – either a path to an icon file, or an icon loaded via graph.icon. null if the icon cannot be set yet.
align – the horizontal and vertical alignment flags.

Fields

clickedBg	The background for the clicked state.
listeners	The listeners
normalBg	The background for the normal state.

Functions

addListener(l)	Add a listener.
doClick()	Perform a button click, i.e. notify the listeners.
draw()	Draw the button.
focusable()	An ImageButton is focusable.
handled(event)	Handle keystrokes and clicking via the pointer.
removeListener(l)	Remove a listener.

function focusable()
Overridesabguibase.Widget.focusable()

An ImageButton is focusable.
Returns:true

function addListener(l)

Add a listener. This must be a function reference or an instance function reference, taking the argument (this).
Parameters:
l – the listener to add.

function removeListener(l)

Remove a listener.
Parameters:
l – the listener to remove.

function doClick()

Perform a button click, i.e. notify the listeners.

function draw()
Overridesabgui.Image.draw()

Draw the button.

function handled(event)
Overridesabguibase.Widget.handled()

Handle keystrokes and clicking via the pointer.
Parameters:
event – the event.
Returns:true if the event was handled.