"
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.
"
!
documentation
"
like a scroller, but taking less screen space
[author:]
Claus Gittinger
"
! !
!MiniScroller methodsFor:'initialization'!
initStyle
"setup viewStyle specifics"
|style lvl|
super initStyle.
style := StyleSheet name.
style == #iris ifTrue:[
tallyLevel := tallyMarks := 0.
thumbEdgeStyle := nil.
thumbLevel := thumbActiveLevel := 2.
].
((style ~~ #normal) and:[style ~~ #mswindows]) ifTrue:[
style == #st80 ifTrue:[
"/ lvl := 1.
lvl := 0.
] ifFalse:[
lvl := -1.
].
self level:lvl.
self borderWidth:0
].
shadowForm := lightForm := nil.
fixThumbHeight := false
"Modified: 7.3.1997 / 15:52:13 / cg"
!
initialize
"initialize - setup instvars from defaults"
orientation isNil ifTrue:[orientation := #vertical].
super initialize.
! !
!MiniScroller methodsFor:'queries'!
preferredExtent
"return my preferredExtent - make my width very small"
|defExt w h mm|
"/ If I have an explicit preferredExtent ..
preferredExtent notNil ifTrue:[
^ preferredExtent
].
defExt := self class defaultExtent.
mm := (thumbLevel ~~ 0) ifTrue:[2.5] ifFalse:[2.0].
w := defExt x.
h := defExt y.
styleSheet name == #st80 ifTrue:[
mm := 2.5
].
orientation == #vertical ifTrue:[
w := (device horizontalPixelPerMillimeter asFloat * mm) rounded.
] ifFalse:[
h := (device verticalPixelPerMillimeter asFloat * mm) rounded.
].
preferredExtent := w @ h.
^ preferredExtent.
"Modified: 7.3.1997 / 16:02:15 / cg"
! !
!MiniScroller class methodsFor:'documentation'!
version
^ '$Header: /cvs/stx/stx/libwidg/MiniScroller.st,v 1.15 1997-03-07 15:02:24 cg Exp $'
! !