Class: ConstrainedLayoutFrame

• Inheritance
• Description
• Instance protocol
  • accessing
  • computing

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:

 maxBottom

 maxBottom: something

 maxLeft

 maxLeft: pixels

 maxRight

 maxRight: pixels

 maxTop

 maxTop: pixels

 minBottom

 minBottom: pixels

 minLeft

 minLeft: pixels

 minRight

 minRight: pixels

 minTop

 minTop: pixels

 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).