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Documentation of class 'ConstrainedLayoutFrame':

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Class: ConstrainedLayoutFrame


Inheritance:

   Object
   |
   +--Layout
      |
      +--LayoutOrigin
         |
         +--LayoutFrame
            |
            +--ConstrainedLayoutFrame

Package:
stx:libview2
Category:
Graphics-Geometry
Version:
rev: 1.2 date: 2019/09/17 10:25:57
user: cg
file: ConstrainedLayoutFrame.st directory: libview2
module: stx stc-classLibrary: libview2

Description:


Instances of me are like layoutFrames,
with additional (optional) limits on the bounds.
Useful to arrange for labels in a dialog to never become too large.

copyright

COPYRIGHT (c) 2019 by Claus Gittinger All Rights Reserved This software is furnished under a license and may be used only in accordance with the terms of that license and with the inclusion of the above copyright notice. This software may not be provided or otherwise made available to, or used by, any other person. No title to or ownership of the software is hereby transferred.

Instance protocol:

accessing
o  maxBottom

o  maxBottom: something

o  maxLeft

o  maxLeft: pixels

o  maxRight

o  maxRight: pixels

o  maxTop

o  maxTop: pixels

o  minBottom

o  minBottom: pixels

o  minLeft

o  minLeft: pixels

o  minRight

o  minRight: pixels

o  minTop

o  minTop: pixels

computing
o  rectangleRelativeTo: superRectangle preferred: prefRectHolder
compute the rectangle represented by the receiver,
given the superView's rectangle and the view's preferredExtent.

Usage example(s):

     |superRect1 superRect2 lF|

     superRect1 := 0@0 corner:100@100.
     superRect2 := 0@0 corner:400@100.
     lF := (ConstrainedLayoutFrame new).
     lF leftFraction:0.25 rightFraction:0.75
        topFraction:0.25 bottomFraction:0.75.
     lF rectangleRelativeTo:superRect1 preferred:(0@0 corner:30@30). 

     lF rectangleRelativeTo:superRect2 preferred:(0@0 corner:30@30). 
     lF maxLeft:70.   
     lF rectangleRelativeTo:superRect2 preferred:(0@0 corner:30@30). 



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