HorizontalMiniScroller.st
author Claus Gittinger <cg@exept.de>
Thu, 23 Nov 1995 19:19:24 +0100
changeset 205 6814c0bf8df8
parent 174 d80a6cc3f9b2
child 539 c7c5585e77f6
permissions -rw-r--r--
checkin from browser

"
 COPYRIGHT (c) 1994 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.
"

HorizontalScroller subclass:#HorizontalMiniScroller
	 instanceVariableNames:''
	 classVariableNames:''
	 poolDictionaries:''
	 category:'Views-Interactors'
!

!HorizontalMiniScroller class methodsFor:'documentation'!

copyright
"
 COPYRIGHT (c) 1994 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.
"
!

documentation
"
    like a scroller, but takingless screen space.
"
! !

!HorizontalMiniScroller methodsFor:'initialization'!

initStyle
    |style lvl|

    super initStyle.
    style := styleSheet name.
    style == #iris ifTrue:[
	tallyLevel := 0.
	tallyMarks := 0.
	thumbEdgeStyle := nil.
	thumbLevel := 2.
    ].
    ((style ~~ #normal) and:[style ~~ #mswindows]) ifTrue:[
	style == #st80 ifTrue:[
	    lvl := inset := 1.
	] ifFalse:[
	    lvl := -1.
	].
	self level:lvl.
	self borderWidth:0
    ].
    shadowForm := lightForm := nil.
    fixThumbHeight := false
! !

!HorizontalMiniScroller methodsFor:'queries'!

preferredExtent
    "make my height very small"

    |w h mm|

    w := self class defaultExtent x.
    mm := (thumbLevel ~~ 0) ifTrue:[2.5] ifFalse:[2.0].
    h := (device verticalPixelPerMillimeter asFloat * mm) rounded.
    ^ w @ h.
! !

!HorizontalMiniScroller class methodsFor:'documentation'!

version
    ^ '$Header: /cvs/stx/stx/libwidg/HorizontalMiniScroller.st,v 1.6 1995-11-23 18:18:53 cg Exp $'
! !