Embedded GUI: Widgets within editor<%>

1`` | Containers
2`` | Controls
3`` | Control Snips
4`` | Helpers
5`` | Snip Functions

Inherited methods:
from snip%
adjust-cursor
blink-caret
can-do-edit-operation?
copy
do-edit-operation
draw
find-scroll-step
get-admin
get-count
get-extent
get-flags
get-num-scroll-steps
get-scroll-step-offset
get-snipclass
get-style
get-text
get-text!
is-owned?
match?
merge-with
next
on-char
on-event
own-caret
partial-offset
previous
release-from-owner
resize
set-admin
set-count
set-flags
set-snipclass
set-style
set-unmodified
size-cache-invalid
split
write

Version: 4.0.2
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toggle-button-snip% : class?
superclass: snip%

A check-box%-like control that a user can toggle between checked and unchecked states.

(new toggle-button-snip% |  | [images-off images-off] |
|  | [images-on images-on] |
|  | [turn-on turn-on] |
|  | [turn-off turn-off] |
| [ | [state state]]) |

→ (is-a?/c toggle-button-snip%)
images-off : (cons/c path-string? path-string?)
images-on : (cons/c path-string? path-string?)
turn-on : ((is-a?/c toggle-button-snip%) (is-a?/c event%) . -> . void?)
turn-off : ((is-a?/c toggle-button-snip%) (is-a?/c event%) . -> . void?)
state : (symbols 'on 'off) = 'on

The images-off argument is a pair filenames to be load as the button-label image, where the first is the image for when the button is at rest, and the second is the image for the button while its pressed – in both cases when the button is not checked by the user. The images-on argument similarly determines the images for then the button is checked.

The turn-on and turn-off callbacks are invoked when the button changes to checked or unchecked, respectively.

The state argument determines whether the button is initially checked.

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