2.15 control-event%

class
control-event% : class?

superclass: event%

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-type event-type]
    [ [time-stamp time-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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1	Windowing
2	Windowing Classes
3	Windowing Functions
4	Editors
5	Snip and Style Classes
6	Editor Classes
7	Editor Functions
8	WXME Decoding
9	Preferences
10	Dynamic Loading
11	Startup Actions
12	Platform Dependencies
	Index

2.1	area<%>
2.2	area-container<%>
2.3	area-container-window<%>
2.4	button%
2.5	canvas<%>
2.6	canvas%
2.7	check-box%
2.8	checkable-menu-item%
2.9	choice%
2.10	clipboard-client%
2.11	clipboard<%>
2.12	combo-field%
2.13	control<%>
2.14	column-control-event%
2.15	control-event%
2.16	cursor%
2.17	dialog%
2.18	event%
2.19	frame%
2.20	gauge%
2.21	group-box-panel%
2.22	grow-box-spacer-pane%
2.23	horizontal-pane%
2.24	horizontal-panel%
2.25	key-event%
2.26	labelled-menu-item<%>
2.27	list-box%
2.28	list-control<%>
2.29	menu%
2.30	menu-bar%
2.31	menu-item<%>
2.32	menu-item%
2.33	menu-item-container<%>
2.34	message%
2.35	mouse-event%
2.36	pane%
2.37	panel%
2.38	popup-menu%
2.39	printer-dc%
2.40	radio-box%
2.41	selectable-menu-item<%>
2.42	separator-menu-item%
2.43	scroll-event%
2.44	slider%
2.45	subarea<%>
2.46	subwindow<%>
2.47	tab-panel%
2.48	text-field%
2.49	timer%
2.50	top-level-window<%>
2.51	vertical-pane%
2.52	vertical-panel%
2.53	window<%>