
It's very helpful to have a visual aid when dealing with a graphical interface toolkit. This patch adds an overview of the widgets available in the library consisting of screen shots of the main ones and the snippets used to produce them. Each widget image link back to the full documentation.
70 lines
2.4 KiB
Racket
70 lines
2.4 KiB
Racket
#lang scribble/doc
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@(require "common.rkt")
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@centered{@image[#:suffixes @list[".png"]]{image/message}}
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@defclass/title[message% object% (control<%>)]{
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A message control is a static line of text or a static bitmap. The
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text or bitmap corresponds to the message's label (see
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@method[message% set-label]).
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@defconstructor[([label (or/c label-string? (is-a?/c bitmap%)
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(or/c 'app 'caution 'stop))]
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[parent (or/c (is-a?/c frame%) (is-a?/c dialog%)
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(is-a?/c panel%) (is-a?/c pane%))]
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[style (listof (or/c 'deleted)) null]
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[font (is-a?/c font%) normal-control-font]
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[enabled any/c #t]
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[vert-margin (integer-in 0 1000) 2]
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[horiz-margin (integer-in 0 1000) 2]
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[min-width (integer-in 0 10000) _graphical-minimum-width]
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[min-height (integer-in 0 10000) _graphical-minimum-height]
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[stretchable-width any/c #f]
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[stretchable-height any/c #f]
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[auto-resize any/c #f])]{
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Creates a string or bitmap message initially showing @racket[label].
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@bitmaplabeluse[label] An @indexed-racket['app],
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@indexed-racket['caution], or @indexed-racket['stop] symbol for
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@racket[label] indicates an icon; @racket['app] is the application
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icon (Windows and Mac OS X) or a generic ``info'' icon (X),
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@racket['caution] is a caution-sign icon, and @racket['stop] is a
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stop-sign icon.
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@labelsimplestripped[@racket[label] @elem{message}]
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@DeletedStyleNote[@racket[style] @racket[parent]]{message}
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@FontKWs[@racket[font]] @WindowKWs[@racket[enabled]] @SubareaKWs[] @AreaKWs[]
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If @racket[auto-resize] is not @racket[#f], then automatic resizing is
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initially enanbled (see @method[message% auto-resize]), and the
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@racket[message%] object's @tech{graphical minimum size} is as small as
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possible.
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}
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@defmethod*[([(auto-resize) boolean?]
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[(auto-resize [on? any/c]) void?])]{
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Reports or sets whether the @racket[message%]'s @method[area<%> min-width] and
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@method[area<%> min-height] are automatically set when the label is changed
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via @method[message% set-label].
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}
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@defmethod[#:mode override
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(set-label [label (or/c label-string? (is-a?/c bitmap%))])
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void?]{
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The same as @xmethod[window<%> set-label] when @racket[label] is a
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string.
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Otherwise, sets the bitmap label for a bitmap message.
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@bitmaplabeluseisbm[label] @|bitmapiforiglabel|
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}}
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