50 lines
1.3 KiB
Text
50 lines
1.3 KiB
Text
|
#lang scribble/manual
|
||
|
|
@(require (for-label racket))
|
||
|
|
|
||
|
|
@title{Layout}
|
||
|
|
Superclass of all GUI layouts@section{categories}
|
||
|
|
GUI>Layout
|
||
|
|
@section{related}
|
||
|
|
Classes/HLayout, Classes/VLayout, Classes/GridLayout, Classes/StackLayout, Guides/GUI-Layout-Management
|
||
|
|
|
||
|
|
@section{description}
|
||
|
|
|
||
|
|
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.
|
||
|
|
|
||
|
|
|
||
|
|
@section{InstanceMethods}
|
||
|
|
|
||
|
|
|
||
|
|
@section{Method}
|
||
|
|
spacing
|
||
|
|
The amount of empty pixels left between the managed views.
|
||
|
|
|
||
|
|
@section{argument}
|
||
|
|
spacing
|
||
|
|
An integer representing the spacing in pixels.
|
||
|
|
|
||
|
|
|
||
|
|
@section{Method}
|
||
|
|
margins
|
||
|
|
The amount of empty pixels left between the edges of the parent view and the managed children.
|
||
|
|
|
||
|
|
@section{argument}
|
||
|
|
margins
|
||
|
|
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.
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
@section{Examples}
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
@racketblock[
|
||
|
|
w = Window.new;
|
||
|
|
w.layout = HLayout( TextView().string_("One"), TextView().string_("Two") );
|
||
|
|
w.layout.spacing = 20;
|
||
|
|
w.layout.margins = [10, 30, 10, 30];
|
||
|
|
w.front;
|
||
|
|
]
|
||
|
|
|
||
|
|
|