merged common code from steppingSlider & horizontalSteppingSlider
authorClaus Gittinger <cg@exept.de>
Wed, 28 May 1997 16:00:37 +0200
changeset 400 d176fd820716
parent 399 d083b1bce58d
child 401 7212ff304a88
merged common code from steppingSlider & horizontalSteppingSlider
HStepSlider.st
HorizontalSteppingSlider.st
StepSlider.st
SteppingSlider.st
--- a/HStepSlider.st	Wed May 28 12:25:55 1997 +0200
+++ b/HStepSlider.st	Wed May 28 16:00:37 1997 +0200
@@ -10,8 +10,8 @@
  hereby transferred.
 "
 
-HorizontalScrollBar subclass:#HorizontalSteppingSlider
-	instanceVariableNames:'stepIncrement'
+SteppingSlider subclass:#HorizontalSteppingSlider
+	instanceVariableNames:''
 	classVariableNames:''
 	poolDictionaries:''
 	category:'Views-Interactors'
@@ -46,116 +46,22 @@
 
     top := StandardSystemView extent:200@200.
     sl := HorizontalSteppingSlider in:top.
-    sl origin:(0.0@0.0) corner:(1.0@sl height).
+    sl origin:(0.0@0.0) corner:(1.0@(sl preferredExtent y)).
     sl scrollAction:[:pos | Transcript showCR:pos].    
     top open
 "
 ! !
 
-!HorizontalSteppingSlider methodsFor:'accessing'!
-
-model:aModel
-    "set the model; this will get the thumbs origin
-     via #value: messages"
-
-    thumb model:aModel
-!
-
-start:start stop:stop step:step
-    "set the range and stepIncrement"
-
-    thumb start:start stop:stop.
-    stepIncrement := step
-!
-
-step
-    "retrieve the stepIncrement"
-
-    ^ stepIncrement
-!
-
-step:aNumber
-    "same as stepIncrement;
-     set the value used for stepping (defaults to 1)"
-
-    stepIncrement := aNumber
-!
-
-stepIncrement:aNumber 
-    "set the value used for stepping (defaults to 1)"
-
-    stepIncrement := aNumber
-! !
-
-!HorizontalSteppingSlider methodsFor:'events'!
-
-keyPress:key x:x y:y
-    (key == #CursorRight or:[key == #CursorUp]) ifTrue:[
-	self scrollStepUp.
-	^ self
-    ].
-    (key == #CursorLeft or:[key == #CursorDown]) ifTrue:[
-	self scrollStepDown.
-	^ self
-    ].
-    super keyPress:key x:x y:y
-! !
+!HorizontalSteppingSlider methodsFor:'queries'!
 
-!HorizontalSteppingSlider methodsFor:'initialization'!
-
-createElements
-    button1 := ArrowButton leftIn:self.
-    button1 name:'LeftButton'.
-    button2 := ArrowButton rightIn:self.
-    button2 name:'RightButton'.
-    thumb := HorizontalSlider in:self.
-!
-
-initialize
-    super initialize.
-    stepIncrement := 1.
-    self scrollDownAction:[self scrollStepUp].
-    self scrollUpAction:[self scrollStepDown].
-! !
-
-!HorizontalSteppingSlider methodsFor:'misc'!
-
-doesNotUnderstand:aMessage
-    "delegate any unknown messages to my thumb"
-
-    ^ aMessage sendTo:thumb 
-! !
+orientation
+    ^ #horizontal
 
-!HorizontalSteppingSlider methodsFor:'private'!
-
-scrollStep:delta
-    "step by some delta"
-
-    |oldOrg newOrg|
-
-    oldOrg := thumb thumbOrigin.
-    newOrg := ((oldOrg + delta) max:thumb start) min:thumb stop.
-    oldOrg ~= newOrg ifTrue:[
-        thumb thumbOrigin:newOrg.
-        thumb tellOthers.
-    ]
-!
-
-scrollStepDown
-    "stepDown"
-
-    self scrollStep:stepIncrement negated
-!
-
-scrollStepUp
-    "step up"
-
-    self scrollStep:stepIncrement
-
+    "Created: 28.5.1997 / 15:10:16 / cg"
 ! !
 
 !HorizontalSteppingSlider class methodsFor:'documentation'!
 
 version
-    ^ '$Header: /cvs/stx/stx/libwidg2/Attic/HStepSlider.st,v 1.9 1996-12-12 13:35:26 cg Exp $'
+    ^ '$Header: /cvs/stx/stx/libwidg2/Attic/HStepSlider.st,v 1.10 1997-05-28 14:00:27 cg Exp $'
 ! !
--- a/HorizontalSteppingSlider.st	Wed May 28 12:25:55 1997 +0200
+++ b/HorizontalSteppingSlider.st	Wed May 28 16:00:37 1997 +0200
@@ -10,8 +10,8 @@
  hereby transferred.
 "
 
-HorizontalScrollBar subclass:#HorizontalSteppingSlider
-	instanceVariableNames:'stepIncrement'
+SteppingSlider subclass:#HorizontalSteppingSlider
+	instanceVariableNames:''
 	classVariableNames:''
 	poolDictionaries:''
 	category:'Views-Interactors'
@@ -46,116 +46,22 @@
 
     top := StandardSystemView extent:200@200.
     sl := HorizontalSteppingSlider in:top.
-    sl origin:(0.0@0.0) corner:(1.0@sl height).
+    sl origin:(0.0@0.0) corner:(1.0@(sl preferredExtent y)).
     sl scrollAction:[:pos | Transcript showCR:pos].    
     top open
 "
 ! !
 
-!HorizontalSteppingSlider methodsFor:'accessing'!
-
-model:aModel
-    "set the model; this will get the thumbs origin
-     via #value: messages"
-
-    thumb model:aModel
-!
-
-start:start stop:stop step:step
-    "set the range and stepIncrement"
-
-    thumb start:start stop:stop.
-    stepIncrement := step
-!
-
-step
-    "retrieve the stepIncrement"
-
-    ^ stepIncrement
-!
-
-step:aNumber
-    "same as stepIncrement;
-     set the value used for stepping (defaults to 1)"
-
-    stepIncrement := aNumber
-!
-
-stepIncrement:aNumber 
-    "set the value used for stepping (defaults to 1)"
-
-    stepIncrement := aNumber
-! !
-
-!HorizontalSteppingSlider methodsFor:'events'!
-
-keyPress:key x:x y:y
-    (key == #CursorRight or:[key == #CursorUp]) ifTrue:[
-	self scrollStepUp.
-	^ self
-    ].
-    (key == #CursorLeft or:[key == #CursorDown]) ifTrue:[
-	self scrollStepDown.
-	^ self
-    ].
-    super keyPress:key x:x y:y
-! !
+!HorizontalSteppingSlider methodsFor:'queries'!
 
-!HorizontalSteppingSlider methodsFor:'initialization'!
-
-createElements
-    button1 := ArrowButton leftIn:self.
-    button1 name:'LeftButton'.
-    button2 := ArrowButton rightIn:self.
-    button2 name:'RightButton'.
-    thumb := HorizontalSlider in:self.
-!
-
-initialize
-    super initialize.
-    stepIncrement := 1.
-    self scrollDownAction:[self scrollStepUp].
-    self scrollUpAction:[self scrollStepDown].
-! !
-
-!HorizontalSteppingSlider methodsFor:'misc'!
-
-doesNotUnderstand:aMessage
-    "delegate any unknown messages to my thumb"
-
-    ^ aMessage sendTo:thumb 
-! !
+orientation
+    ^ #horizontal
 
-!HorizontalSteppingSlider methodsFor:'private'!
-
-scrollStep:delta
-    "step by some delta"
-
-    |oldOrg newOrg|
-
-    oldOrg := thumb thumbOrigin.
-    newOrg := ((oldOrg + delta) max:thumb start) min:thumb stop.
-    oldOrg ~= newOrg ifTrue:[
-        thumb thumbOrigin:newOrg.
-        thumb tellOthers.
-    ]
-!
-
-scrollStepDown
-    "stepDown"
-
-    self scrollStep:stepIncrement negated
-!
-
-scrollStepUp
-    "step up"
-
-    self scrollStep:stepIncrement
-
+    "Created: 28.5.1997 / 15:10:16 / cg"
 ! !
 
 !HorizontalSteppingSlider class methodsFor:'documentation'!
 
 version
-    ^ '$Header: /cvs/stx/stx/libwidg2/HorizontalSteppingSlider.st,v 1.9 1996-12-12 13:35:26 cg Exp $'
+    ^ '$Header: /cvs/stx/stx/libwidg2/HorizontalSteppingSlider.st,v 1.10 1997-05-28 14:00:27 cg Exp $'
 ! !
--- a/StepSlider.st	Wed May 28 12:25:55 1997 +0200
+++ b/StepSlider.st	Wed May 28 16:00:37 1997 +0200
@@ -10,13 +10,11 @@
  hereby transferred.
 "
 
-'From Smalltalk/X, Version:2.10.3 on 27-sep-1994 at 12:56:30'!
-
 ScrollBar subclass:#SteppingSlider
-	 instanceVariableNames:'stepIncrement'
-	 classVariableNames:''
-	 poolDictionaries:''
-	 category:'Views-Interactors'
+	instanceVariableNames:'stepIncrement'
+	classVariableNames:''
+	poolDictionaries:''
+	category:'Views-Interactors'
 !
 
 !SteppingSlider class methodsFor:'documentation'!
@@ -35,10 +33,6 @@
 "
 !
 
-version
-    ^ '$Header: /cvs/stx/stx/libwidg2/Attic/StepSlider.st,v 1.7 1996-05-18 15:43:30 cg Exp $'
-!
-
 documentation
 "
     SteppingSliders are like Sliders, but add step-up and step-down
@@ -51,7 +45,7 @@
 examples 
 "
     non model operation:
-
+                                                                [exBegin]
       |top sl|
 
       top := StandardSystemView extent:200@200.
@@ -59,10 +53,11 @@
       sl origin:(0.0@0.0) corner:(sl width@1.0).
       sl scrollAction:[:pos | Transcript showCR:pos].    
       top open
+                                                                [exEnd]
 
 
     change the step:
-
+                                                                [exBegin]
       |top sl|
 
       top := StandardSystemView extent:200@200.
@@ -71,10 +66,11 @@
       sl scrollAction:[:pos | Transcript showCR:pos].    
       sl stepIncrement:10.
       top open
+                                                                [exEnd]
 
 
-    model operation (look at value in model):
-
+    model operation (watch the value):
+                                                                [exBegin]
       |model top sl fld|
 
       model := 0 asValue.
@@ -90,38 +86,63 @@
       top label:'inputField on model'.
       fld := EditField in:top.
       fld origin:(0.0@0.0) corner:(1.0 @ fld height).
-      fld model:model; converter:(PrintConverter new initForNumber).
+      fld converter:(PrintConverter new initForNumber); model:model.
       top open
-"
-! !
+                                                                [exEnd]
+
 
-!SteppingSlider methodsFor:'initialization'!
+    two views on the same model:
+                                                                [exBegin]
+      |model top sl fld|
+
+      model := 0 asValue.
 
-createElements
-    button1 := ArrowButton upIn:self.
-    button1 name:'UpButton'.
-    button2 := ArrowButton downIn:self.
-    button2 name:'DownButton'.
-    thumb := Slider in:self.
-!
+      top := StandardSystemView extent:200@200.
+      top label:'slider on model'.
+      sl := SteppingSlider in:top.
+      sl origin:(0.0@0.0) corner:(sl width@1.0).
+      sl model:model.
+      top open.
 
-initialize
-    super initialize.
-    stepIncrement := 1.
-    self scrollDownAction:[self scrollStepUp].
-    self scrollUpAction:[self scrollStepDown].
+      top := StandardSystemView extent:200@200.
+      top label:'slider on model'.
+      sl := ThumbWheel in:top.
+      sl origin:(0.0@0.0) corner:(20@1.0).
+      sl model:model.
+      top open.
+                                                                [exEnd]
+"
 ! !
 
 !SteppingSlider methodsFor:'accessing'!
 
 model:aModel
+    "set the model - forwarded to the thumb.
+     if nonNil, this will get the thumbs origin
+     via #value: messages"
+
     thumb model:aModel
+
+    "Modified: 28.5.1997 / 15:07:55 / cg"
 !
 
-stepIncrement:aNumber 
-    "set the value used for stepping (defaults to 1)"
+start:start stop:stop step:step
+    "set start (min), stop (max) and step increment.
+     The increment is used when clicking on a step button"
+
+    thumb start:start stop:stop.
+    stepIncrement := step
 
-    stepIncrement := aNumber
+    "Modified: 28.5.1997 / 15:03:56 / cg"
+!
+
+step
+    "return the step increment.
+     The increment is used when clicking on a step button"
+
+    ^ stepIncrement
+
+    "Modified: 28.5.1997 / 15:04:01 / cg"
 !
 
 step:aNumber
@@ -131,49 +152,120 @@
     stepIncrement := aNumber
 !
 
-step
-    ^ stepIncrement
-!
+stepIncrement:aNumber 
+    "set the value used for stepping (defaults to 1).
+     Same as #step: for compatibility."
 
-start:start stop:stop step:step
-    thumb start:start stop:stop.
-    stepIncrement := step
+    stepIncrement := aNumber
+
+    "Modified: 28.5.1997 / 15:04:25 / cg"
 ! !
 
 !SteppingSlider methodsFor:'events'!
 
 keyPress:key x:x y:y
-    key == #CursorRight ifTrue:[
-	self scrollStepUp.
-	^ self
+    "handle cursor left/right for stepping"
+
+    (key == #CursorRight or:[key == #CursorUp]) ifTrue:[
+        self scrollStepUp.
+        ^ self
     ].
-    key == #CursorLeft ifTrue:[
-	self scrollStepDown.
-	^ self
+    (key == #CursorLeft or:[key == #CursorDown]) ifTrue:[
+        self scrollStepDown.
+        ^ self
     ].
     super keyPress:key x:x y:y
+
+    "Modified: 28.5.1997 / 15:08:36 / cg"
 ! !
 
-!SteppingSlider methodsFor:'private'!
+!SteppingSlider methodsFor:'initialization'!
+
+createElements
+    "create the scroller and the two step buttons"
 
-scrollStepUp
-    |nO|
+    self orientation == #horizontal ifTrue:[
+        button1 := ArrowButton leftIn:self.
+        button1 name:'LeftButton'.
+        button2 := ArrowButton rightIn:self.
+        button2 name:'RightButton'.
+        thumb := HorizontalSlider in:self.
+    ] ifFalse:[
+        button1 := ArrowButton upIn:self.
+        button1 name:'UpButton'.
+        button2 := ArrowButton downIn:self.
+        button2 name:'DownButton'.
+        thumb := Slider in:self.
+    ].
 
-    nO := (thumb thumbOrigin + stepIncrement) min:thumb stop.         
-    thumb thumbOrigin:nO.
-    thumb tellOthers.
+    "Modified: 28.5.1997 / 15:09:50 / cg"
 !
 
-scrollStepDown
-    |nO|
+initialize
+    "initialize; the increment is set to 1 (one)"
+
+    super initialize.
 
-    nO := (thumb thumbOrigin - stepIncrement) max:thumb start.
-    thumb thumbOrigin:nO.
-    thumb tellOthers.
+    stepIncrement := 1.
+    self scrollDownAction:[self scrollStepUp].
+    self scrollUpAction:[self scrollStepDown].
+
+    "Modified: 28.5.1997 / 15:06:05 / cg"
 ! !
 
 !SteppingSlider methodsFor:'misc'!
 
 doesNotUnderstand:aMessage
-    ^ aMessage sendTo:thumb 
+    "forward any unimplemented message to the scroller"
+
+    ^ aMessage sendTo:thumb
+
+    "Modified: 28.5.1997 / 15:05:37 / cg"
 ! !
+
+!SteppingSlider methodsFor:'private'!
+
+scrollStep:delta
+    "step by some delta"
+
+    |oldOrg newOrg|
+
+    oldOrg := thumb thumbOrigin.
+    newOrg := ((oldOrg + delta) max:thumb start) min:thumb stop.
+    oldOrg ~= newOrg ifTrue:[
+        thumb thumbOrigin:newOrg.
+        thumb tellOthers.
+    ]
+
+    "Created: 28.5.1997 / 15:10:51 / cg"
+!
+
+scrollStepDown
+    "sent when the step-down button is pressd"
+
+    self scrollStep:stepIncrement negated
+
+    "Modified: 28.5.1997 / 15:11:02 / cg"
+!
+
+scrollStepUp
+    "sent when the step-up button is pressd"
+
+    self scrollStep:stepIncrement
+
+    "Modified: 28.5.1997 / 15:11:08 / cg"
+! !
+
+!SteppingSlider methodsFor:'queries'!
+
+orientation
+    ^ #vertical
+
+    "Created: 28.5.1997 / 15:11:24 / cg"
+! !
+
+!SteppingSlider class methodsFor:'documentation'!
+
+version
+    ^ '$Header: /cvs/stx/stx/libwidg2/Attic/StepSlider.st,v 1.8 1997-05-28 14:00:37 cg Exp $'
+! !
--- a/SteppingSlider.st	Wed May 28 12:25:55 1997 +0200
+++ b/SteppingSlider.st	Wed May 28 16:00:37 1997 +0200
@@ -10,13 +10,11 @@
  hereby transferred.
 "
 
-'From Smalltalk/X, Version:2.10.3 on 27-sep-1994 at 12:56:30'!
-
 ScrollBar subclass:#SteppingSlider
-	 instanceVariableNames:'stepIncrement'
-	 classVariableNames:''
-	 poolDictionaries:''
-	 category:'Views-Interactors'
+	instanceVariableNames:'stepIncrement'
+	classVariableNames:''
+	poolDictionaries:''
+	category:'Views-Interactors'
 !
 
 !SteppingSlider class methodsFor:'documentation'!
@@ -35,10 +33,6 @@
 "
 !
 
-version
-    ^ '$Header: /cvs/stx/stx/libwidg2/SteppingSlider.st,v 1.7 1996-05-18 15:43:30 cg Exp $'
-!
-
 documentation
 "
     SteppingSliders are like Sliders, but add step-up and step-down
@@ -51,7 +45,7 @@
 examples 
 "
     non model operation:
-
+                                                                [exBegin]
       |top sl|
 
       top := StandardSystemView extent:200@200.
@@ -59,10 +53,11 @@
       sl origin:(0.0@0.0) corner:(sl width@1.0).
       sl scrollAction:[:pos | Transcript showCR:pos].    
       top open
+                                                                [exEnd]
 
 
     change the step:
-
+                                                                [exBegin]
       |top sl|
 
       top := StandardSystemView extent:200@200.
@@ -71,10 +66,11 @@
       sl scrollAction:[:pos | Transcript showCR:pos].    
       sl stepIncrement:10.
       top open
+                                                                [exEnd]
 
 
-    model operation (look at value in model):
-
+    model operation (watch the value):
+                                                                [exBegin]
       |model top sl fld|
 
       model := 0 asValue.
@@ -90,38 +86,63 @@
       top label:'inputField on model'.
       fld := EditField in:top.
       fld origin:(0.0@0.0) corner:(1.0 @ fld height).
-      fld model:model; converter:(PrintConverter new initForNumber).
+      fld converter:(PrintConverter new initForNumber); model:model.
       top open
-"
-! !
+                                                                [exEnd]
+
 
-!SteppingSlider methodsFor:'initialization'!
+    two views on the same model:
+                                                                [exBegin]
+      |model top sl fld|
+
+      model := 0 asValue.
 
-createElements
-    button1 := ArrowButton upIn:self.
-    button1 name:'UpButton'.
-    button2 := ArrowButton downIn:self.
-    button2 name:'DownButton'.
-    thumb := Slider in:self.
-!
+      top := StandardSystemView extent:200@200.
+      top label:'slider on model'.
+      sl := SteppingSlider in:top.
+      sl origin:(0.0@0.0) corner:(sl width@1.0).
+      sl model:model.
+      top open.
 
-initialize
-    super initialize.
-    stepIncrement := 1.
-    self scrollDownAction:[self scrollStepUp].
-    self scrollUpAction:[self scrollStepDown].
+      top := StandardSystemView extent:200@200.
+      top label:'slider on model'.
+      sl := ThumbWheel in:top.
+      sl origin:(0.0@0.0) corner:(20@1.0).
+      sl model:model.
+      top open.
+                                                                [exEnd]
+"
 ! !
 
 !SteppingSlider methodsFor:'accessing'!
 
 model:aModel
+    "set the model - forwarded to the thumb.
+     if nonNil, this will get the thumbs origin
+     via #value: messages"
+
     thumb model:aModel
+
+    "Modified: 28.5.1997 / 15:07:55 / cg"
 !
 
-stepIncrement:aNumber 
-    "set the value used for stepping (defaults to 1)"
+start:start stop:stop step:step
+    "set start (min), stop (max) and step increment.
+     The increment is used when clicking on a step button"
+
+    thumb start:start stop:stop.
+    stepIncrement := step
 
-    stepIncrement := aNumber
+    "Modified: 28.5.1997 / 15:03:56 / cg"
+!
+
+step
+    "return the step increment.
+     The increment is used when clicking on a step button"
+
+    ^ stepIncrement
+
+    "Modified: 28.5.1997 / 15:04:01 / cg"
 !
 
 step:aNumber
@@ -131,49 +152,120 @@
     stepIncrement := aNumber
 !
 
-step
-    ^ stepIncrement
-!
+stepIncrement:aNumber 
+    "set the value used for stepping (defaults to 1).
+     Same as #step: for compatibility."
 
-start:start stop:stop step:step
-    thumb start:start stop:stop.
-    stepIncrement := step
+    stepIncrement := aNumber
+
+    "Modified: 28.5.1997 / 15:04:25 / cg"
 ! !
 
 !SteppingSlider methodsFor:'events'!
 
 keyPress:key x:x y:y
-    key == #CursorRight ifTrue:[
-	self scrollStepUp.
-	^ self
+    "handle cursor left/right for stepping"
+
+    (key == #CursorRight or:[key == #CursorUp]) ifTrue:[
+        self scrollStepUp.
+        ^ self
     ].
-    key == #CursorLeft ifTrue:[
-	self scrollStepDown.
-	^ self
+    (key == #CursorLeft or:[key == #CursorDown]) ifTrue:[
+        self scrollStepDown.
+        ^ self
     ].
     super keyPress:key x:x y:y
+
+    "Modified: 28.5.1997 / 15:08:36 / cg"
 ! !
 
-!SteppingSlider methodsFor:'private'!
+!SteppingSlider methodsFor:'initialization'!
+
+createElements
+    "create the scroller and the two step buttons"
 
-scrollStepUp
-    |nO|
+    self orientation == #horizontal ifTrue:[
+        button1 := ArrowButton leftIn:self.
+        button1 name:'LeftButton'.
+        button2 := ArrowButton rightIn:self.
+        button2 name:'RightButton'.
+        thumb := HorizontalSlider in:self.
+    ] ifFalse:[
+        button1 := ArrowButton upIn:self.
+        button1 name:'UpButton'.
+        button2 := ArrowButton downIn:self.
+        button2 name:'DownButton'.
+        thumb := Slider in:self.
+    ].
 
-    nO := (thumb thumbOrigin + stepIncrement) min:thumb stop.         
-    thumb thumbOrigin:nO.
-    thumb tellOthers.
+    "Modified: 28.5.1997 / 15:09:50 / cg"
 !
 
-scrollStepDown
-    |nO|
+initialize
+    "initialize; the increment is set to 1 (one)"
+
+    super initialize.
 
-    nO := (thumb thumbOrigin - stepIncrement) max:thumb start.
-    thumb thumbOrigin:nO.
-    thumb tellOthers.
+    stepIncrement := 1.
+    self scrollDownAction:[self scrollStepUp].
+    self scrollUpAction:[self scrollStepDown].
+
+    "Modified: 28.5.1997 / 15:06:05 / cg"
 ! !
 
 !SteppingSlider methodsFor:'misc'!
 
 doesNotUnderstand:aMessage
-    ^ aMessage sendTo:thumb 
+    "forward any unimplemented message to the scroller"
+
+    ^ aMessage sendTo:thumb
+
+    "Modified: 28.5.1997 / 15:05:37 / cg"
 ! !
+
+!SteppingSlider methodsFor:'private'!
+
+scrollStep:delta
+    "step by some delta"
+
+    |oldOrg newOrg|
+
+    oldOrg := thumb thumbOrigin.
+    newOrg := ((oldOrg + delta) max:thumb start) min:thumb stop.
+    oldOrg ~= newOrg ifTrue:[
+        thumb thumbOrigin:newOrg.
+        thumb tellOthers.
+    ]
+
+    "Created: 28.5.1997 / 15:10:51 / cg"
+!
+
+scrollStepDown
+    "sent when the step-down button is pressd"
+
+    self scrollStep:stepIncrement negated
+
+    "Modified: 28.5.1997 / 15:11:02 / cg"
+!
+
+scrollStepUp
+    "sent when the step-up button is pressd"
+
+    self scrollStep:stepIncrement
+
+    "Modified: 28.5.1997 / 15:11:08 / cg"
+! !
+
+!SteppingSlider methodsFor:'queries'!
+
+orientation
+    ^ #vertical
+
+    "Created: 28.5.1997 / 15:11:24 / cg"
+! !
+
+!SteppingSlider class methodsFor:'documentation'!
+
+version
+    ^ '$Header: /cvs/stx/stx/libwidg2/SteppingSlider.st,v 1.8 1997-05-28 14:00:37 cg Exp $'
+! !