"

 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.

"

Scroller subclass:#MiniScroller

	 instanceVariableNames:''

	 classVariableNames:''

	 poolDictionaries:''

	 category:'Views-Interactors'

!

!MiniScroller 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.

"

!

version

!

documentation

"

    like a scroller, but taking less screen space

"

! !

!MiniScroller methodsFor:'queries'!

preferredExtent

    "make my width very small"

    |w h mm|

    h := self class defaultExtent y.

    mm := (thumbLevel ~~ 0) ifTrue:[2.5] ifFalse:[2.0].

    w := (device horizontalPixelPerMillimeter asFloat * mm) rounded.

    ^ w @ h.

! !

!MiniScroller 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 := 1.

	] ifFalse:[

	    lvl := -1.

	].

	self level:lvl.

	self borderWidth:0

    ].

    shadowForm := lightForm := nil.

    fixThumbHeight := false

! !