LayoutFrame example

Last updated at 3:01 pm UTC on 11 August 2020

From: http://smalltalkinsmallsteps.blogspot.co.uk/2015/11/creating-three-pane-window-using.htmlwindow := SystemWindow labelled: 'Layout'. redMorph := Morph new. window addMorph: redMorph fullFrame: (LayoutFrame

fractions: (0@0 corner: 1@1) "in fractions: the numbers represent a value from 0 to 1 i.e. a decimal fraction, of 100% of the parent window's size" offsets: (100@0 corner: 0@50 negated)). "in offsets: the numerics represent absolute values, in pixels" redMorph color: Color red. "there is a set of named colors. Color objects can also be specified as RGB values r:g:b: Each parameter is a number between 0 and 1.0 " "Two morphs side-by-side in a proportional layout will automagically have a grabbable, movable pane edge." greenMorph := Morph new. window addMorph: greenMorph fullFrame: (LayoutFrame fractions: (0@0 corner: 0@1) offsets: (0@0 corner: 100@50 negated)). greenMorph color: Color green. yellowMorph := Morph new. window addMorph: yellowMorph fullFrame: (LayoutFrame fractions: (0@1 corner: 1@1) offsets: (0@50 negated corner: 0@0)). yellowMorph color: Color yellow. window openInWorld. "sent to the superclass"