HorizontalMiniScroller.st
author Claus Gittinger <cg@exept.de>
Fri, 01 Mar 1996 14:02:46 +0100
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permissions -rw-r--r--
added style resource directive
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 COPYRIGHT (c) 1994 by Claus Gittinger
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	      All Rights Reserved
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 This software is furnished under a license and may be used
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 only in accordance with the terms of that license and with the
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 inclusion of the above copyright notice.   This software may not
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 be provided or otherwise made available to, or used by, any
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 other person.  No title to or ownership of the software is
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 hereby transferred.
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HorizontalScroller subclass:#HorizontalMiniScroller
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	 instanceVariableNames:''
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	 classVariableNames:''
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	 poolDictionaries:''
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	 category:'Views-Interactors'
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!
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!HorizontalMiniScroller class methodsFor:'documentation'!
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copyright
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 COPYRIGHT (c) 1994 by Claus Gittinger
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	      All Rights Reserved
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 This software is furnished under a license and may be used
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 only in accordance with the terms of that license and with the
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 inclusion of the above copyright notice.   This software may not
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 be provided or otherwise made available to, or used by, any
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 other person.  No title to or ownership of the software is
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 hereby transferred.
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!
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documentation
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    like a scroller, but takingless screen space.
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! !
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!HorizontalMiniScroller methodsFor:'initialization'!
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initStyle
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    |style lvl|
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    super initStyle.
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    style := styleSheet name.
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    style == #iris ifTrue:[
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	tallyLevel := 0.
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	tallyMarks := 0.
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	thumbEdgeStyle := nil.
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	thumbLevel := 2.
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    ].
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    ((style ~~ #normal) and:[style ~~ #mswindows]) ifTrue:[
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	style == #st80 ifTrue:[
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	    lvl := inset := 1.
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	] ifFalse:[
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	    lvl := -1.
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	].
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	self level:lvl.
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	self borderWidth:0
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    ].
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    shadowForm := lightForm := nil.
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    fixThumbHeight := false
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! !
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!HorizontalMiniScroller methodsFor:'queries'!
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preferredExtent
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    "make my height very small"
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    |w h mm|
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    w := self class defaultExtent x.
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    mm := (thumbLevel ~~ 0) ifTrue:[2.5] ifFalse:[2.0].
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    h := (device verticalPixelPerMillimeter asFloat * mm) rounded.
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    ^ w @ h.
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! !
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!HorizontalMiniScroller class methodsFor:'documentation'!
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version
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    ^ '$Header: /cvs/stx/stx/libwidg/HorizontalMiniScroller.st,v 1.6 1995-11-23 18:18:53 cg Exp $'
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! !