49 lines
1.3 KiB
Racket
49 lines
1.3 KiB
Racket
#lang scribble/manual
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@(require (for-label racket))
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@title{Layout}
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Superclass of all GUI layouts@section{categories}
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GUI>Layout
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@section{related}
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Classes/HLayout, Classes/VLayout, Classes/GridLayout, Classes/StackLayout, Guides/GUI-Layout-Management
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@section{description}
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Layout is the abstract superclass of all layouts. Any layout can be installed on a view with the view's link::Classes/View#-layout#'layout':: setter method. See link::Guides/GUI-Layout-Management:: for details of operation common to all layouts.
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@section{InstanceMethods}
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@section{Method}
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spacing
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The amount of empty pixels left between the managed views.
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@section{argument}
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spacing
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An integer representing the spacing in pixels.
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@section{Method}
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margins
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The amount of empty pixels left between the edges of the parent view and the managed children.
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@section{argument}
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margins
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An array of four integers defining margins in the following order: left margin, top margin, right margin, bottom margin; or an array of two integers applied to left/right margin and top/bottom margin respectively; or a single integer applied to all margins.
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@section{Examples}
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@racketblock[
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w = Window.new;
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w.layout = HLayout( TextView().string_("One"), TextView().string_("Two") );
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w.layout.spacing = 20;
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w.layout.margins = [10, 30, 10, 30];
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w.front;
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]
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