--- a/UpDownButton.st	Tue Apr 01 12:03:34 1997 +0200
+++ b/UpDownButton.st	Tue Apr 01 12:48:24 1997 +0200
@@ -1,5 +1,5 @@
 SimpleView subclass:#UpDownButton
-	instanceVariableNames:'upButton downButton'
+	instanceVariableNames:'orientation upButton downButton'
 	classVariableNames:''
 	poolDictionaries:''
 	category:'Views-Interactors'
@@ -35,6 +35,21 @@
      ud downAction:[Transcript showCR:'down'].
      top open.
                                                                 [exEnd]
+
+                                                                [exBegin]
+     |top ud|
+
+     top := StandardSystemView new.
+     top extent:(300 @ 200).
+
+     ud := UpDownButton in:top.
+     ud orientation:#horizontal.
+     ud origin:(10 @ 10).
+
+     ud upAction:[Transcript showCR:'up'].
+     ud downAction:[Transcript showCR:'down'].
+     top open.
+                                                                [exEnd]
 "
 
 ! !
@@ -75,6 +90,92 @@
     "Modified: 1.4.1997 / 11:54:17 / cg"
 !
 
+leftButtonForm
+    "return the left-buttons image"
+
+    <resource: #style (#upDownButtonLeftForm #upDownButtonLeftFormFile)>
+
+    |fileName form|
+
+    form := StyleSheet at:'upDownButtonLeftForm' default:nil.
+    form isNil ifTrue:[
+        fileName := StyleSheet at:'upDownButtonLeftFormFile' default:'ComboLtB_win.xbm'.
+        form := Image fromFile:fileName.
+    ].
+    form isNil ifTrue:[
+        form  := Form width:7 height:16 
+                      fromArray:#[
+                                  2r00000000
+                                  2r00000000
+                                  2r00000100
+                                  2r00001100
+                                  2r00011100
+                                  2r00111100
+                                  2r01111100
+                                  2r11111100
+                                  2r11111100
+                                  2r01111100
+                                  2r00111100
+                                  2r00011100
+                                  2r00001100
+                                  2r00000100
+                                  2r00000000
+                                  2r00000000
+                                 ]
+                      on:Display.
+    ].
+    form notNil ifTrue:[
+        ^ form on:Display
+    ].
+    ^ nil
+
+    "Created: 1.4.1997 / 12:39:18 / cg"
+    "Modified: 1.4.1997 / 12:45:58 / cg"
+!
+
+rightButtonForm
+    "return the left-buttons image"
+
+    <resource: #style (#upDownButtonRightForm #upDownButtonRightFormFile)>
+
+    |fileName form|
+
+    form := StyleSheet at:'upDownButtonRightForm' default:nil.
+    form isNil ifTrue:[
+        fileName := StyleSheet at:'upDownButtonRightFormFile' default:'ComboRtB_win.xbm'.
+        form := Image fromFile:fileName.
+    ].
+    form isNil ifTrue:[
+        form  := Form width:7 height:16 
+                      fromArray:#[
+                                  2r00000000
+                                  2r00000000
+                                  2r01000000
+                                  2r01100000
+                                  2r01110000
+                                  2r01111000
+                                  2r01111100
+                                  2r01111110
+                                  2r01111110
+                                  2r01111100
+                                  2r01111000
+                                  2r01110000
+                                  2r01100000
+                                  2r01000000
+                                  2r00000000
+                                  2r00000000
+                                 ]
+                      on:Display.
+    ].
+    form notNil ifTrue:[
+        ^ form on:Display
+    ].
+    ^ nil
+
+    "Modified: 1.4.1997 / 11:54:17 / cg"
+    "Created: 1.4.1997 / 12:39:34 / cg"
+!
+
 upButtonForm
     "return the up-buttons image"
 
@@ -138,40 +239,80 @@
     "Modified: 1.4.1997 / 11:56:02 / cg"
 ! !
 
+!UpDownButton methodsFor:'accessing-look'!
+
+orientation
+    ^ orientation
+
+    "Created: 1.4.1997 / 12:42:01 / cg"
+!
+
+orientation:aSymbol
+    orientation := aSymbol.
+    self initializeButtonDimensions
+
+    "Created: 1.4.1997 / 12:42:17 / cg"
+    "Modified: 1.4.1997 / 12:42:29 / cg"
+! !
+
 !UpDownButton methodsFor:'initialization'!
 
 initialize
+    orientation := #vertical.
+
     super initialize.
     self initializeButtons
 
     "Created: 1.4.1997 / 11:58:07 / cg"
+    "Modified: 1.4.1997 / 12:47:58 / cg"
+!
+
+initializeButtonDimensions
+    orientation == #vertical ifTrue:[
+        upButton label:(self class upButtonForm).
+        downButton label:(self class downButtonForm).
+
+        upButton origin:0@0.
+        downButton origin:(0 @ upButton preferredExtent y).
+
+        self preferredExtent:(upButton preferredExtent x
+                              @
+                              (upButton preferredExtent y 
+                              +
+                              downButton preferredExtent y)).
+    ] ifFalse:[
+        upButton label:(self class rightButtonForm).
+        downButton label:(self class leftButtonForm).
+
+        downButton origin:0@0.
+        upButton origin:(downButton preferredExtent x @ 0).
+
+        self preferredExtent:((upButton preferredExtent x
+                              +
+                              downButton preferredExtent x)
+                              @
+                              upButton preferredExtent y).
+    ].
+
+    "Modified: 1.4.1997 / 12:47:38 / cg"
 !
 
 initializeButtons
     upButton := ArrowButton upIn:self.
-    upButton label:(self class upButtonForm).
-    upButton origin:0@0.
     upButton action:[self countUp].
     upButton autoRepeat:true.
 
     downButton := ArrowButton downIn:self.
-    downButton label:(self class downButtonForm).
-    downButton origin:(0 @ upButton preferredExtent y).
     downButton action:[self countDown].
     downButton autoRepeat:true.
 
-    self preferredExtent:(upButton preferredExtent x
-                          @
-                          (upButton preferredExtent y 
-                          +
-                          downButton preferredExtent y)).
+    self initializeButtonDimensions
 
-    "Created: 1.4.1997 / 11:58:11 / cg"
-    "Modified: 1.4.1997 / 11:58:43 / cg"
+    "Modified: 1.4.1997 / 12:42:58 / cg"
 ! !
 
 !UpDownButton class methodsFor:'documentation'!
 
 version
-    ^ '$Header: /cvs/stx/stx/libwidg2/UpDownButton.st,v 1.1 1997-04-01 10:03:05 cg Exp $'
+    ^ '$Header: /cvs/stx/stx/libwidg2/UpDownButton.st,v 1.2 1997-04-01 10:48:24 cg Exp $'
 ! !