A control-event% object contains information about a control event. An instance of control-event% is always provided to a control or menu item callback procedure.

constructor
( new control-event%
[event-typeevent-type]
[ [time-stamptime-stamp]])
→(is-a?/c control-event% )

event-type :
(or/c 'button'check-box'choice
'list-box'list-box-dclick'list-box-column
'text-field'text-field-enter
'menu'slider'radio-box'tab-panel
'menu-popdown'menu-popdown-none)
time-stamp:exact-integer? =0

The event-type argument is one of the following:

'button — for button% clicks
'check-box — for check-box% toggles
'choice — for choice% item selections
'list-box — for list-box% selections and deselections
'list-box-dclick — for list-box% double-clicks
'list-box-column — for list-box% column clicks in a column-control-event% instance
'text-field — for text-field% changes
'text-field-enter — for single-line text-field% Enter event
'menu — for selectable-menu-item<%> callbacks
'slider — for slider% changes
'radio-box — for radio-box% selection changes
'tab-panel — for tab-panel% tab changes
'menu-popdown — for popup-menu% callbacks (item selected)
'menu-popdown-none — for popup-menu% callbacks (no item selected)

This value is extracted out of a control-event% object with the get-event-type method.

See get-time-stamp for information about time-stamp.

method
(send a-control-event get-event-type )

→
(or/c 'button'check-box'choice
'list-box'list-box-dclick'text-field
'text-field-enter'menu'slider'radio-box
'menu-popdown'menu-popdown-none'tab-panel)

Returns the type of the control event. See control-event% for information about each event type symbol.

method
(send a-control-event set-event-type type)→void?

type :
(or/c 'button'check-box'choice
'list-box'list-box-dclick'text-field
'text-field-enter'menu'slider'radio-box
'menu-popdown'menu-popdown-none'tab-panel)

Sets the type of the event. See control-event% for information about each event type symbol.

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