use the canvasHolder in Notebook
authorca
Mon, 24 Jan 2000 16:34:28 +0100
changeset 1305 3aa9dab59633
parent 1304 c4a9211a6ec7
child 1306 66252dfdd14c
use the canvasHolder in Notebook
UILayoutTool.st
--- a/UILayoutTool.st	Mon Jan 24 12:02:32 2000 +0100
+++ b/UILayoutTool.st	Mon Jan 24 16:34:28 2000 +0100
@@ -14,13 +14,21 @@
 
 
 ApplicationModel subclass:#UILayoutTool
-	instanceVariableNames:'modifiedHolder aspects selection layoutView tabList layoutSpec'
+	instanceVariableNames:'modifiedHolder aspects selection currentTool layoutView tabList
+		layoutSpec toolsDictionary'
 	classVariableNames:''
 	poolDictionaries:''
 	category:'Interface-UIPainter'
 !
 
-ApplicationModel subclass:#LayoutOrigin
+ApplicationModel subclass:#LayoutFrame
+	instanceVariableNames:''
+	classVariableNames:''
+	poolDictionaries:''
+	privateIn:UILayoutTool
+!
+
+ApplicationModel subclass:#Rectangle
 	instanceVariableNames:''
 	classVariableNames:''
 	poolDictionaries:''
@@ -34,7 +42,14 @@
 	privateIn:UILayoutTool
 !
 
-ApplicationModel subclass:#Rectangle
+ApplicationModel subclass:#LayoutOrigin
+	instanceVariableNames:''
+	classVariableNames:''
+	poolDictionaries:''
+	privateIn:UILayoutTool
+!
+
+ApplicationModel subclass:#Extent
 	instanceVariableNames:''
 	classVariableNames:''
 	poolDictionaries:''
@@ -48,20 +63,6 @@
 	privateIn:UILayoutTool
 !
 
-ApplicationModel subclass:#LayoutFrame
-	instanceVariableNames:''
-	classVariableNames:''
-	poolDictionaries:''
-	privateIn:UILayoutTool
-!
-
-ApplicationModel subclass:#Extent
-	instanceVariableNames:''
-	classVariableNames:''
-	poolDictionaries:''
-	privateIn:UILayoutTool
-!
-
 !UILayoutTool class methodsFor:'documentation'!
 
 copyright
@@ -447,37 +448,40 @@
 
     <resource: #canvas>
 
-    ^
-     
-       #(#FullSpec
-          #window: 
-           #(#WindowSpec
-              #name: 'UILayoutTool'
-              #layout: #(#LayoutFrame 571 0 290 0 870 0 589 0)
-              #label: 'UILayoutTool'
-              #min: #(#Point 10 10)
-              #max: #(#Point 1152 900)
-              #bounds: #(#Rectangle 571 290 871 590)
-              #usePreferredExtent: false
-          )
-          #component: 
-           #(#SpecCollection
-              #collection: 
-               #(
-                 #(#NoteBookViewSpec
-                    #name: 'NoteBook'
-                    #layout: #(#LayoutFrame 0 0.0 0 0.0 0 1.0 0 1.0)
-                    #activeHelpKey: #layoutTool
-                    #enableChannel: #enableChannel
-                    #tabable: true
-                    #model: #noteBookModel
-                    #menu: #noteBookList
-                    #style: #(#FontDescription #helvetica #medium #roman #'10')
-                    #direction: #bottom
-                    #canvas: #noteBookView
-                )
+    ^ 
+     #(#FullSpec
+        #name: #windowSpec
+        #window: 
+       #(#WindowSpec
+          #label: 'UILayoutTool'
+          #name: 'UILayoutTool'
+          #min: #(#Point 10 10)
+          #max: #(#Point 1152 900)
+          #bounds: #(#Rectangle 12 22 312 322)
+        )
+        #component: 
+       #(#SpecCollection
+          #collection: #(
+           #(#NoteBookViewSpec
+              #attributes: 
+             #(#tabable
+                true
               )
-          )
+              #name: 'NoteBook'
+              #layout: #(#LayoutFrame 0 0.0 0 0.0 0 1.0 0 1.0)
+              #activeHelpKey: #layoutTool
+              #enableChannel: #enableChannel
+              #tabable: true
+              #model: #noteBookModel
+              #menu: #noteBookList
+              #style: #(#FontDescription #helvetica #medium #roman #'10')
+              #direction: #bottom
+              #canvas: #layoutCanvasHolder
+              #keepCanvasAlive: true
+            )
+           )
+         
+        )
       )
 ! !
 
@@ -492,12 +496,8 @@
 layout
     "returns configued layout or nil
     "
-    |appl|
-
-    (appl := self noteBookView application) notNil ifTrue:[
-        ^ appl layout
-    ].
-  ^ nil
+    ^ currentTool notNil ifTrue:[currentTool layout]
+                        ifFalse:[nil]
 !
 
 layoutType
@@ -569,13 +569,11 @@
 update
     "update from view
     "
-    |view appl|
+    |view|
 
-    selection notNil ifTrue:[
+    (selection notNil and:[currentTool notNil]) ifTrue:[
         (view := layoutView) notNil ifTrue:[
-            (appl := self noteBookView application) notNil ifTrue:[
-                appl fetch:view spec:layoutSpec
-            ]
+            currentTool fetch:view spec:layoutSpec
         ]
     ].
         
@@ -591,6 +589,16 @@
 
 !
 
+layoutCanvasHolder
+    |holder|
+
+    (holder := builder bindingAt:#layoutCanvasHolder) isNil ifTrue:[
+        holder := ValueHolder new.
+        builder aspectAt:#layoutCanvasHolder put:holder
+    ].
+  ^ holder
+!
+
 notUsingDefaultExtent
     |holder|
 
@@ -624,18 +632,6 @@
         builder aspectAt:#noteBookModel put:holder.
     ].
     ^ holder
-!
-
-noteBookView
-    "automatically generated by UIPainter ...
-    "
-    |holder|
-
-    (holder := builder bindingAt:#noteBookView) isNil ifTrue:[
-        holder := SubCanvas new.
-        builder aspectAt:#noteBookView put:holder
-    ].
-  ^ holder
 ! !
 
 !UILayoutTool methodsFor:'change & update'!
@@ -749,6 +745,7 @@
     super initialize.
 
     aspects  := IdentityDictionary new.
+    toolsDictionary := IdentityDictionary new.
 
     #(  bottomFraction          bottomOffset
         leftFraction            leftOffset
@@ -799,717 +796,39 @@
 !
 
 selection:aSelection
-    |appl slice sel noteBook|
+    |appl slice sel noteBook key view|
 
     aSelection isNumber ifTrue:[
         aSelection ~~ 0 ifTrue:[sel := tabList at:aSelection]
     ] ifFalse:[
         sel := aSelection
     ].
+
     selection = sel ifFalse:[
         (selection := sel) notNil ifTrue:[
-            slice := self selectedSlice.
-            appl  := slice last asString.
-            appl := Smalltalk classNamed:(self class name asString, '::', appl).
-            appl := appl new.
-            appl masterApplication:self.
-            modifiedHolder value:true.
+            key := selection asSymbol.
+            appl := toolsDictionary at:key ifAbsent:nil.
+
+            appl isNil ifTrue:[
+                view := SimpleView new.
+                slice := self selectedSlice.
+                appl  := slice last asString.
+                appl := Smalltalk classNamed:(self class name asString, '::', appl).
+                appl := appl new.
+                appl masterApplication:self.
+                appl createBuilder.
+                view client:appl.
+                appl window:view.
+                modifiedHolder value:true.
+                toolsDictionary at:key put:appl.
+            ] ifFalse:[
+                view := appl window
+            ]
         ].
-        noteBook := self noteBookView.
-        noteBook client:appl.
-
-        appl notNil ifTrue:[
-            noteBook scrolledView allViewBackground:(noteBook viewBackground).
-        ]
+        currentTool := appl.
+        self layoutCanvasHolder value:view.
     ].
     self update
-
-! !
-
-!UILayoutTool::LayoutOrigin class methodsFor:'interface specs'!
-
-windowSpec
-    "This resource specification was automatically generated
-     by the UIPainter of ST/X."
-
-    "Do not manually edit this!! If it is corrupted,
-     the UIPainter may not be able to read the specification."
-
-    "
-     UIPainter new openOnClass:UILayoutTool::LayoutOrigin andSelector:#windowSpec
-     UILayoutTool::LayoutOrigin new openInterface:#windowSpec
-     UILayoutTool::LayoutOrigin open
-    "
-
-    <resource: #canvas>
-
-    ^
-     
-       #(#FullSpec
-          #window: 
-           #(#WindowSpec
-              #name: 'UILayoutTool-LayoutOrigin'
-              #layout: #(#LayoutFrame 290 0 420 0 647 0 565 0)
-              #label: 'UILayoutTool-LayoutOrigin'
-              #min: #(#Point 10 10)
-              #max: #(#Point 1152 900)
-              #bounds: #(#Rectangle 290 420 648 566)
-              #usePreferredExtent: false
-          )
-          #component: 
-           #(#SpecCollection
-              #collection: 
-               #(
-                 #(#UISubSpecification
-                    #name: 'layoutOriginSpec'
-                    #layout: #(#LayoutFrame 1 0.0 6 0 0 1.0 110 0)
-                    #majorKey: #UILayoutTool
-                    #minorKey: #layoutOriginSpec
-                )
-              )
-          )
-      )
-! !
-
-!UILayoutTool::LayoutOrigin methodsFor:'accessing'!
-
-fetch:aView spec:aSpec
-    "fetch layoutOrigin
-    "
-    |layout|
-
-    layout  := UIPainterView asLayoutFrameFromView:aView.
-
-    (self aspectFor:#leftOffset)   value:(layout leftOffset).
-    (self aspectFor:#leftFraction) value:(layout leftFraction).
-    (self aspectFor:#topOffset)    value:(layout topOffset).
-    (self aspectFor:#topFraction)  value:(layout topFraction).
-
-
-!
-
-layout
-    "returns current layout as layoutOrigin
-    "
-    |layout|
-
-    layout  := Smalltalk::LayoutOrigin new.
-
-    layout   leftOffset:((self aspectFor:#leftOffset)   value) ? 0.
-    layout    topOffset:((self aspectFor:#topOffset)    value) ? 0.
-    layout leftFraction:((self aspectFor:#leftFraction) value) ? 0.
-    layout  topFraction:((self aspectFor:#topFraction)  value) ? 0.
-
-  ^ layout
-
-! !
-
-!UILayoutTool::AlignmentOrigin class methodsFor:'help specs'!
-
-helpSpec
-    "This resource specification was automatically generated
-     by the UIHelpTool of ST/X."
-
-    "Do not manually edit this!! If it is corrupted,
-     the UIHelpTool may not be able to read the specification."
-
-    "
-     UIHelpTool openOnClass:UILayoutTool::AlignmentOrigin    
-    "
-
-    <resource: #help>
-
-    ^super helpSpec addPairsFrom:#(
-
-#alignBottomCenter
-'Aligns the selected widget bottomCenter to location.'
-
-#alignBottomLeft
-'Aligns the selected widget bottomLeft to location.'
-
-#alignBottomRight
-'Aligns the selected widget bottomRight to location.'
-
-#alignCenter
-'Aligns the selected widget center to location.'
-
-#alignHorizontal
-'Horizontal inset to the location point of the selected widget.'
-
-#alignLeftCenter
-'Aligns the selected widget leftCenter to location.'
-
-#alignRightCenter
-'Aligns the selected widget rightCenter to location.'
-
-#alignTopCenter
-'Aligns the selected widget topCenter to location.'
-
-#alignTopLeft
-'Aligns the selected widget topLeft to location.'
-
-#alignTopRight
-'Aligns the selected widget topRight to location.'
-
-#alignVertical
-'Vertical inset to the location point of the widget.'
-
-)
-! !
-
-!UILayoutTool::AlignmentOrigin class methodsFor:'interface specs'!
-
-windowSpec
-    "This resource specification was automatically generated
-     by the UIPainter of ST/X."
-
-    "Do not manually edit this!! If it is corrupted,
-     the UIPainter may not be able to read the specification."
-
-    "
-     UIPainter new openOnClass:UILayoutTool::AlignmentOrigin andSelector:#windowSpec
-     UILayoutTool::AlignmentOrigin new openInterface:#windowSpec
-     UILayoutTool::AlignmentOrigin open
-    "
-
-    <resource: #canvas>
-
-    ^ 
-     #(#FullSpec
-        #name: #windowSpec
-        #window: 
-       #(#WindowSpec
-          #label: 'UILayoutTool-AlignmentOrigin'
-          #name: 'UILayoutTool-AlignmentOrigin'
-          #min: #(#Point 10 10)
-          #max: #(#Point 1152 900)
-          #bounds: #(#Rectangle 42 231 447 438)
-        )
-        #component: 
-       #(#SpecCollection
-          #collection: #(
-           #(#UISubSpecification
-              #name: 'layoutOriginSpec'
-              #layout: #(#LayoutFrame 1 0.0 6 0 0 1.0 111 0)
-              #majorKey: #UILayoutTool
-              #minorKey: #layoutOriginSpec
-            )
-           #(#FramedBoxSpec
-              #label: 'Alignment'
-              #name: 'FramedBox'
-              #layout: #(#LayoutFrame 1 0.0 113 0 0 1.0 208 0)
-              #labelPosition: #topLeft
-              #component: 
-             #(#SpecCollection
-                #collection: #(
-                 #(#LabelSpec
-                    #label: 'Horizontal:'
-                    #name: 'alignHLabel'
-                    #layout: #(#AlignmentOrigin 88 0 17 0 1 0)
-                    #adjust: #right
-                  )
-                 #(#InputFieldSpec
-                    #attributes: 
-                   #(#tabable
-                      true
-                    )
-                    #name: 'leftAlignmentFractionField'
-                    #layout: #(#LayoutFrame 90 0 14 0 147 0 36 0)
-                    #activeHelpKey: #alignHorizontal
-                    #tabable: true
-                    #model: #leftAlignmentFraction
-                    #group: #inputGroup
-                    #type: #numberOrNil
-                    #acceptOnLostFocus: true
-                    #acceptChannel: #acceptChannel
-                    #modifiedChannel: #modifiedChannel
-                    #acceptOnPointerLeave: false
-                  )
-                 #(#LabelSpec
-                    #label: 'Vertical:'
-                    #name: 'alignVLabel'
-                    #layout: #(#AlignmentOrigin 88 0 43 0 1 0)
-                    #adjust: #right
-                  )
-                 #(#InputFieldSpec
-                    #attributes: 
-                   #(#tabable
-                      true
-                    )
-                    #name: 'topAlignmentFractionField'
-                    #layout: #(#LayoutFrame 90 0 40 0 147 0 62 0)
-                    #activeHelpKey: #alignVertical
-                    #tabable: true
-                    #model: #topAlignmentFraction
-                    #group: #inputGroup
-                    #type: #numberOrNil
-                    #acceptOnLostFocus: true
-                    #acceptChannel: #acceptChannel
-                    #modifiedChannel: #modifiedChannel
-                    #acceptOnPointerLeave: false
-                  )
-                 #(#DividerSpec
-                    #name: 'separator1'
-                    #layout: #(#LayoutFrame 204 0 19 0 245 0 22 0)
-                  )
-                 #(#DividerSpec
-                    #name: 'separator2'
-                    #layout: #(#LayoutFrame 204 0 55 0 245 0 58 0)
-                  )
-                 #(#DividerSpec
-                    #name: 'separator3'
-                    #layout: #(#LayoutFrame 196 0 28 0 199 0 50 0)
-                    #orientation: #vertical
-                  )
-                 #(#DividerSpec
-                    #name: 'separator4'
-                    #layout: #(#LayoutFrame 250 0 28 0 253 0 50 0)
-                    #orientation: #vertical
-                  )
-                 #(#ActionButtonSpec
-                    #attributes: 
-                   #(#tabable
-                      true
-                    )
-                    #name: 'alignTopLeft'
-                    #layout: #(#LayoutFrame 190 0 14 0 204 0 28 0)
-                    #activeHelpKey: #alignTopLeft
-                    #tabable: true
-                    #model: #alignTopLeft
-                  )
-                 #(#ActionButtonSpec
-                    #attributes: 
-                   #(#tabable
-                      true
-                    )
-                    #name: 'alignTopCenter'
-                    #layout: #(#LayoutFrame 217 0 14 0 231 0 28 0)
-                    #activeHelpKey: #alignTopCenter
-                    #tabable: true
-                    #model: #alignTopCenter
-                  )
-                 #(#ActionButtonSpec
-                    #attributes: 
-                   #(#tabable
-                      true
-                    )
-                    #name: 'alignTopRight'
-                    #layout: #(#LayoutFrame 245 0 14 0 259 0 28 0)
-                    #activeHelpKey: #alignTopRight
-                    #tabable: true
-                    #model: #alignTopRight
-                  )
-                 #(#ActionButtonSpec
-                    #attributes: 
-                   #(#tabable
-                      true
-                    )
-                    #name: 'alignLeftCenter'
-                    #layout: #(#LayoutFrame 190 0 32 0 204 0 46 0)
-                    #activeHelpKey: #alignLeftCenter
-                    #tabable: true
-                    #model: #alignLeftCenter
-                  )
-                 #(#ActionButtonSpec
-                    #attributes: 
-                   #(#tabable
-                      true
-                    )
-                    #name: 'alignCenter'
-                    #layout: #(#LayoutFrame 217 0 32 0 231 0 46 0)
-                    #activeHelpKey: #alignCenter
-                    #tabable: true
-                    #model: #alignCenter
-                  )
-                 #(#ActionButtonSpec
-                    #attributes: 
-                   #(#tabable
-                      true
-                    )
-                    #name: 'alignRightCenter'
-                    #layout: #(#LayoutFrame 245 0 32 0 259 0 46 0)
-                    #activeHelpKey: #alignRightCenter
-                    #tabable: true
-                    #model: #alignRightCenter
-                  )
-                 #(#ActionButtonSpec
-                    #attributes: 
-                   #(#tabable
-                      true
-                    )
-                    #name: 'alignBottomLeft'
-                    #layout: #(#LayoutFrame 190 0 50 0 204 0 64 0)
-                    #activeHelpKey: #alignBottomLeft
-                    #tabable: true
-                    #model: #alignBottomLeft
-                  )
-                 #(#ActionButtonSpec
-                    #attributes: 
-                   #(#tabable
-                      true
-                    )
-                    #name: 'alignBottomCenter'
-                    #layout: #(#LayoutFrame 217 0 50 0 231 0 64 0)
-                    #activeHelpKey: #alignBottomCenter
-                    #tabable: true
-                    #model: #alignBottomCenter
-                  )
-                 #(#ActionButtonSpec
-                    #attributes: 
-                   #(#tabable
-                      true
-                    )
-                    #name: 'alignBottomRight'
-                    #layout: #(#LayoutFrame 245 0 50 0 259 0 64 0)
-                    #activeHelpKey: #alignBottomRight
-                    #tabable: true
-                    #model: #alignBottomRight
-                  )
-                 )
-               
-              )
-            )
-           )
-         
-        )
-      )
-! !
-
-!UILayoutTool::AlignmentOrigin methodsFor:'accessing'!
-
-fetch:aView spec:aSpec
-    "fetch alignmentOrigin
-    "
-    |layout type 
-     leftAlignmentFractionHolder topAlignmentFractionHolder
-     leftOffsetHolder leftFractionHolder topOffsetHolder topFractionHolder|
-
-    type   := UIPainterView layoutType:aView.
-    layout := aView geometryLayout.
-
-    leftOffsetHolder := (self aspectFor:#leftOffset).
-    leftFractionHolder := (self aspectFor:#leftFraction).
-    topOffsetHolder := (self aspectFor:#topOffset).
-    topFractionHolder := (self aspectFor:#topFraction).
-    leftAlignmentFractionHolder := (self aspectFor:#leftAlignmentFraction).
-    topAlignmentFractionHolder := (self aspectFor:#topAlignmentFraction).
-
-    layout isLayout ifTrue:[
-        leftOffsetHolder   value:(layout leftOffset).
-        leftFractionHolder value:(layout leftFraction).
-        topOffsetHolder    value:(layout topOffset).
-        topFractionHolder  value:(layout topFraction).
-
-        type == #AlignmentOrigin ifTrue:[
-            leftAlignmentFractionHolder value:(layout leftAlignmentFraction).
-            topAlignmentFractionHolder  value:(layout topAlignmentFraction).
-          ^ self
-        ]
-    ] ifFalse:[
-        layout := aView computeOrigin.
-
-        leftOffsetHolder   value:(layout x).
-        leftFractionHolder value:0.
-        topOffsetHolder    value:(layout y).
-        topFractionHolder  value:0.
-    ].
-    leftAlignmentFractionHolder value:0.
-    topAlignmentFractionHolder  value:0.
-
-
-!
-
-layout
-    "returns current layout as alignmentOrigin
-    "
-    |layout|
-
-    layout  := Smalltalk::AlignmentOrigin new.
-
-    layout   leftOffset:((self aspectFor:#leftOffset)   value) ? 0.
-    layout    topOffset:((self aspectFor:#topOffset)    value) ? 0.
-    layout leftFraction:((self aspectFor:#leftFraction) value) ? 0.
-    layout  topFraction:((self aspectFor:#topFraction)  value) ? 0.
-
-    layout leftAlignmentFraction:((self aspectFor:#leftAlignmentFraction) value) ? 0.
-    layout  topAlignmentFraction:((self aspectFor:#topAlignmentFraction)  value) ? 0.
-
-  ^ layout
-! !
-
-!UILayoutTool::AlignmentOrigin methodsFor:'alignment'!
-
-alignBottomCenter
-    self makeAlignLeft:0.5 top:1
-
-
-!
-
-alignBottomLeft
-    self makeAlignLeft:0 top:1
-
-
-!
-
-alignBottomRight
-    self makeAlignLeft:1 top:1
-
-
-!
-
-alignCenter
-    self makeAlignLeft:0.5 top:0.5
-
-
-!
-
-alignLeftCenter
-    self makeAlignLeft:0 top:0.5
-
-
-!
-
-alignRightCenter
-    self makeAlignLeft:1 top:0.5
-
-
-!
-
-alignTopCenter
-    self makeAlignLeft:0.5 top:0
-
-
-!
-
-alignTopLeft
-    self makeAlignLeft:0 top:0
-
-
-!
-
-alignTopRight
-    self makeAlignLeft:1 top:0
-
-
-!
-
-makeAlignLeft:leftAlignmentFraction top:topAlignmentFraction
-    |lAF tAF lO tO ext lAHolder tAHolder lOHolder tOHolder|
-
-    lAF     := (lAHolder := self aspectFor:#leftAlignmentFraction) value ? 0.
-    tAF     := (tAHolder := self aspectFor:#topAlignmentFraction)  value ? 0.
-    ext     := (self aspectFor:#layoutView) computeExtent.
-
-    lAHolder value:leftAlignmentFraction.
-    tAHolder  value:topAlignmentFraction.
-
-    lO := (lOHolder := self aspectFor:#leftOffset) value ? 0.
-    tO := (tOHolder := self aspectFor:#topOffset)  value ? 0.
-
-    lO := lO + (ext x * (leftAlignmentFraction - lAF)).
-    tO := tO + (ext y * (topAlignmentFraction  - tAF)).
-
-    lOHolder value:(lO rounded).
-    tOHolder value:(tO rounded).
-
-!
-
-makeAlignTopRight
-    self makeAlignLeft:1 top:0
-
-
-! !
-
-!UILayoutTool::Rectangle class methodsFor:'interface specs'!
-
-windowSpec
-    "This resource specification was automatically generated
-     by the UIPainter of ST/X."
-
-    "Do not manually edit this!! If it is corrupted,
-     the UIPainter may not be able to read the specification."
-
-    "
-     UIPainter new openOnClass:UILayoutTool::Rectangle andSelector:#windowSpec
-     UILayoutTool::Rectangle new openInterface:#windowSpec
-     UILayoutTool::Rectangle open
-    "
-
-    <resource: #canvas>
-
-    ^
-     
-       #(#FullSpec
-          #window: 
-           #(#WindowSpec
-              #name: 'UILayoutTool-Rectangle'
-              #layout: #(#LayoutFrame 291 0 130 0 632 0 328 0)
-              #label: 'UILayoutTool-Rectangle'
-              #min: #(#Point 10 10)
-              #max: #(#Point 1152 900)
-              #bounds: #(#Rectangle 291 130 633 329)
-              #usePreferredExtent: false
-          )
-          #component: 
-           #(#SpecCollection
-              #collection: 
-               #(
-                 #(#UISubSpecification
-                    #name: 'subSpecification'
-                    #layout: #(#LayoutFrame 1 0.0 6 0 0 1.0 96 0)
-                    #majorKey: #UILayoutTool
-                    #minorKey: #layoutPointSpec
-                )
-                 #(#FramedBoxSpec
-                    #name: 'FramedBox'
-                    #layout: #(#LayoutFrame 1 0.0 99 0 0 1.0 194 0)
-                    #component: 
-                     #(#SpecCollection
-                        #collection: 
-                         #(
-                           #(#LabelSpec
-                              #name: 'labelCornerY'
-                              #layout: #(#AlignmentOrigin 83 0 16 0 1 0)
-                              #label: 'Right:'
-                              #adjust: #left
-                          )
-                           #(#InputFieldSpec
-                              #name: 'fieldCornerX'
-                              #layout: #(#LayoutFrame 85 0 13 0 135 0 35 0)
-                              #activeHelpKey: #cornerX
-                              #tabable: true
-                              #model: #rightOffset
-                              #group: #inputGroup
-                              #type: #numberOrNil
-                              #acceptOnLostFocus: true
-                    #acceptChannel: #acceptChannel
-                    #modifiedChannel: #modifiedChannel
-                          )
-                           #(#LabelSpec
-                              #name: 'labelCornerX'
-                              #layout: #(#AlignmentOrigin 83 0 41 0 1 0)
-                              #label: 'Bottom:'
-                              #adjust: #left
-                          )
-                           #(#InputFieldSpec
-                              #name: 'fieldCornerY'
-                              #layout: #(#LayoutFrame 85 0 38 0 135 0 60 0)
-                              #activeHelpKey: #cornerY
-                              #tabable: true
-                              #model: #bottomOffset
-                              #group: #inputGroup
-                              #type: #numberOrNil
-                              #acceptOnLostFocus: true
-                    #acceptChannel: #acceptChannel
-                    #modifiedChannel: #modifiedChannel
-                          )
-                        )
-                    )
-                    #label: 'Corner'
-                    #labelPosition: #topLeft
-                )
-              )
-          )
-      )
-
-    "Modified: / 13.8.1998 / 19:59:16 / cg"
-! !
-
-!UILayoutTool::Rectangle methodsFor:'accessing'!
-
-fetch:aView spec:aSpec
-    "fetch rectangle
-    "
-    |origin corner|
-
-    origin := aView computeOrigin.
-    corner := aView computeCorner.
-
-    (self aspectFor:#leftOffset)   value:(origin x).
-    (self aspectFor:#rightOffset)  value:(corner x).
-    (self aspectFor:#topOffset)    value:(origin y).
-    (self aspectFor:#bottomOffset) value:(corner y).
-
-
-!
-
-layout
-    "returns current layout as rectangle
-    "
-  ^ Smalltalk::Rectangle left:(((self aspectFor:#leftOffset)   value) ? 0)
-                          top:(((self aspectFor:#topOffset)    value) ? 0)
-                        right:(((self aspectFor:#rightOffset)  value) ? 0)
-                       bottom:(((self aspectFor:#bottomOffset) value) ? 0)
-
-
-! !
-
-!UILayoutTool::Point class methodsFor:'interface specs'!
-
-windowSpec
-    "This resource specification was automatically generated
-     by the UIPainter of ST/X."
-
-    "Do not manually edit this!! If it is corrupted,
-     the UIPainter may not be able to read the specification."
-
-    "
-     UIPainter new openOnClass:UILayoutTool::Point andSelector:#windowSpec
-     UILayoutTool::Point new openInterface:#windowSpec
-     UILayoutTool::Point open
-    "
-
-    <resource: #canvas>
-
-    ^
-     
-       #(#FullSpec
-          #window: 
-           #(#WindowSpec
-              #name: 'UILayoutTool-Point'
-              #layout: #(#LayoutFrame 324 0 410 0 618 0 547 0)
-              #label: 'UILayoutTool-Point'
-              #min: #(#Point 10 10)
-              #max: #(#Point 1152 900)
-              #bounds: #(#Rectangle 324 410 619 548)
-              #usePreferredExtent: false
-          )
-          #component: 
-           #(#SpecCollection
-              #collection: 
-               #(
-                 #(#UISubSpecification
-                    #name: 'layoutPointSpec'
-                    #layout: #(#LayoutFrame 1 0.0 6 0 0 1.0 100 0)
-                    #majorKey: #UILayoutTool
-                    #minorKey: #layoutPointSpec
-                )
-              )
-          )
-      )
-! !
-
-!UILayoutTool::Point methodsFor:'accessing'!
-
-fetch:aView spec:aSpec
-    "fetch point
-    "
-    |origin|
-
-    origin  := aView computeOrigin.
-
-    (self aspectFor:#leftOffset) value:(origin x).
-    (self aspectFor:#topOffset)  value:(origin y).
-
-
-!
-
-layout
-    "returns current layout as point
-    "
-  ^ Smalltalk::Point x:(((self aspectFor:#leftOffset) value) ? 0)
-                     y:(((self aspectFor:#topOffset)  value) ? 0)
-
 ! !
 
 !UILayoutTool::LayoutFrame class methodsFor:'help specs'!
@@ -2211,6 +1530,624 @@
         bottom:0.5       offset:0
 ! !
 
+!UILayoutTool::Rectangle class methodsFor:'interface specs'!
+
+windowSpec
+    "This resource specification was automatically generated
+     by the UIPainter of ST/X."
+
+    "Do not manually edit this!! If it is corrupted,
+     the UIPainter may not be able to read the specification."
+
+    "
+     UIPainter new openOnClass:UILayoutTool::Rectangle andSelector:#windowSpec
+     UILayoutTool::Rectangle new openInterface:#windowSpec
+     UILayoutTool::Rectangle open
+    "
+
+    <resource: #canvas>
+
+    ^
+     
+       #(#FullSpec
+          #window: 
+           #(#WindowSpec
+              #name: 'UILayoutTool-Rectangle'
+              #layout: #(#LayoutFrame 291 0 130 0 632 0 328 0)
+              #label: 'UILayoutTool-Rectangle'
+              #min: #(#Point 10 10)
+              #max: #(#Point 1152 900)
+              #bounds: #(#Rectangle 291 130 633 329)
+              #usePreferredExtent: false
+          )
+          #component: 
+           #(#SpecCollection
+              #collection: 
+               #(
+                 #(#UISubSpecification
+                    #name: 'subSpecification'
+                    #layout: #(#LayoutFrame 1 0.0 6 0 0 1.0 96 0)
+                    #majorKey: #UILayoutTool
+                    #minorKey: #layoutPointSpec
+                )
+                 #(#FramedBoxSpec
+                    #name: 'FramedBox'
+                    #layout: #(#LayoutFrame 1 0.0 99 0 0 1.0 194 0)
+                    #component: 
+                     #(#SpecCollection
+                        #collection: 
+                         #(
+                           #(#LabelSpec
+                              #name: 'labelCornerY'
+                              #layout: #(#AlignmentOrigin 83 0 16 0 1 0)
+                              #label: 'Right:'
+                              #adjust: #left
+                          )
+                           #(#InputFieldSpec
+                              #name: 'fieldCornerX'
+                              #layout: #(#LayoutFrame 85 0 13 0 135 0 35 0)
+                              #activeHelpKey: #cornerX
+                              #tabable: true
+                              #model: #rightOffset
+                              #group: #inputGroup
+                              #type: #numberOrNil
+                              #acceptOnLostFocus: true
+                    #acceptChannel: #acceptChannel
+                    #modifiedChannel: #modifiedChannel
+                          )
+                           #(#LabelSpec
+                              #name: 'labelCornerX'
+                              #layout: #(#AlignmentOrigin 83 0 41 0 1 0)
+                              #label: 'Bottom:'
+                              #adjust: #left
+                          )
+                           #(#InputFieldSpec
+                              #name: 'fieldCornerY'
+                              #layout: #(#LayoutFrame 85 0 38 0 135 0 60 0)
+                              #activeHelpKey: #cornerY
+                              #tabable: true
+                              #model: #bottomOffset
+                              #group: #inputGroup
+                              #type: #numberOrNil
+                              #acceptOnLostFocus: true
+                    #acceptChannel: #acceptChannel
+                    #modifiedChannel: #modifiedChannel
+                          )
+                        )
+                    )
+                    #label: 'Corner'
+                    #labelPosition: #topLeft
+                )
+              )
+          )
+      )
+
+    "Modified: / 13.8.1998 / 19:59:16 / cg"
+! !
+
+!UILayoutTool::Rectangle methodsFor:'accessing'!
+
+fetch:aView spec:aSpec
+    "fetch rectangle
+    "
+    |origin corner|
+
+    origin := aView computeOrigin.
+    corner := aView computeCorner.
+
+    (self aspectFor:#leftOffset)   value:(origin x).
+    (self aspectFor:#rightOffset)  value:(corner x).
+    (self aspectFor:#topOffset)    value:(origin y).
+    (self aspectFor:#bottomOffset) value:(corner y).
+
+
+!
+
+layout
+    "returns current layout as rectangle
+    "
+  ^ Smalltalk::Rectangle left:(((self aspectFor:#leftOffset)   value) ? 0)
+                          top:(((self aspectFor:#topOffset)    value) ? 0)
+                        right:(((self aspectFor:#rightOffset)  value) ? 0)
+                       bottom:(((self aspectFor:#bottomOffset) value) ? 0)
+
+
+! !
+
+!UILayoutTool::AlignmentOrigin class methodsFor:'help specs'!
+
+helpSpec
+    "This resource specification was automatically generated
+     by the UIHelpTool of ST/X."
+
+    "Do not manually edit this!! If it is corrupted,
+     the UIHelpTool may not be able to read the specification."
+
+    "
+     UIHelpTool openOnClass:UILayoutTool::AlignmentOrigin    
+    "
+
+    <resource: #help>
+
+    ^super helpSpec addPairsFrom:#(
+
+#alignBottomCenter
+'Aligns the selected widget bottomCenter to location.'
+
+#alignBottomLeft
+'Aligns the selected widget bottomLeft to location.'
+
+#alignBottomRight
+'Aligns the selected widget bottomRight to location.'
+
+#alignCenter
+'Aligns the selected widget center to location.'
+
+#alignHorizontal
+'Horizontal inset to the location point of the selected widget.'
+
+#alignLeftCenter
+'Aligns the selected widget leftCenter to location.'
+
+#alignRightCenter
+'Aligns the selected widget rightCenter to location.'
+
+#alignTopCenter
+'Aligns the selected widget topCenter to location.'
+
+#alignTopLeft
+'Aligns the selected widget topLeft to location.'
+
+#alignTopRight
+'Aligns the selected widget topRight to location.'
+
+#alignVertical
+'Vertical inset to the location point of the widget.'
+
+)
+! !
+
+!UILayoutTool::AlignmentOrigin class methodsFor:'interface specs'!
+
+windowSpec
+    "This resource specification was automatically generated
+     by the UIPainter of ST/X."
+
+    "Do not manually edit this!! If it is corrupted,
+     the UIPainter may not be able to read the specification."
+
+    "
+     UIPainter new openOnClass:UILayoutTool::AlignmentOrigin andSelector:#windowSpec
+     UILayoutTool::AlignmentOrigin new openInterface:#windowSpec
+     UILayoutTool::AlignmentOrigin open
+    "
+
+    <resource: #canvas>
+
+    ^ 
+     #(#FullSpec
+        #name: #windowSpec
+        #window: 
+       #(#WindowSpec
+          #label: 'UILayoutTool-AlignmentOrigin'
+          #name: 'UILayoutTool-AlignmentOrigin'
+          #min: #(#Point 10 10)
+          #max: #(#Point 1152 900)
+          #bounds: #(#Rectangle 42 231 447 438)
+        )
+        #component: 
+       #(#SpecCollection
+          #collection: #(
+           #(#UISubSpecification
+              #name: 'layoutOriginSpec'
+              #layout: #(#LayoutFrame 1 0.0 6 0 0 1.0 111 0)
+              #majorKey: #UILayoutTool
+              #minorKey: #layoutOriginSpec
+            )
+           #(#FramedBoxSpec
+              #label: 'Alignment'
+              #name: 'FramedBox'
+              #layout: #(#LayoutFrame 1 0.0 113 0 0 1.0 208 0)
+              #labelPosition: #topLeft
+              #component: 
+             #(#SpecCollection
+                #collection: #(
+                 #(#LabelSpec
+                    #label: 'Horizontal:'
+                    #name: 'alignHLabel'
+                    #layout: #(#AlignmentOrigin 88 0 17 0 1 0)
+                    #adjust: #right
+                  )
+                 #(#InputFieldSpec
+                    #attributes: 
+                   #(#tabable
+                      true
+                    )
+                    #name: 'leftAlignmentFractionField'
+                    #layout: #(#LayoutFrame 90 0 14 0 147 0 36 0)
+                    #activeHelpKey: #alignHorizontal
+                    #tabable: true
+                    #model: #leftAlignmentFraction
+                    #group: #inputGroup
+                    #type: #numberOrNil
+                    #acceptOnLostFocus: true
+                    #acceptChannel: #acceptChannel
+                    #modifiedChannel: #modifiedChannel
+                    #acceptOnPointerLeave: false
+                  )
+                 #(#LabelSpec
+                    #label: 'Vertical:'
+                    #name: 'alignVLabel'
+                    #layout: #(#AlignmentOrigin 88 0 43 0 1 0)
+                    #adjust: #right
+                  )
+                 #(#InputFieldSpec
+                    #attributes: 
+                   #(#tabable
+                      true
+                    )
+                    #name: 'topAlignmentFractionField'
+                    #layout: #(#LayoutFrame 90 0 40 0 147 0 62 0)
+                    #activeHelpKey: #alignVertical
+                    #tabable: true
+                    #model: #topAlignmentFraction
+                    #group: #inputGroup
+                    #type: #numberOrNil
+                    #acceptOnLostFocus: true
+                    #acceptChannel: #acceptChannel
+                    #modifiedChannel: #modifiedChannel
+                    #acceptOnPointerLeave: false
+                  )
+                 #(#DividerSpec
+                    #name: 'separator1'
+                    #layout: #(#LayoutFrame 204 0 19 0 245 0 22 0)
+                  )
+                 #(#DividerSpec
+                    #name: 'separator2'
+                    #layout: #(#LayoutFrame 204 0 55 0 245 0 58 0)
+                  )
+                 #(#DividerSpec
+                    #name: 'separator3'
+                    #layout: #(#LayoutFrame 196 0 28 0 199 0 50 0)
+                    #orientation: #vertical
+                  )
+                 #(#DividerSpec
+                    #name: 'separator4'
+                    #layout: #(#LayoutFrame 250 0 28 0 253 0 50 0)
+                    #orientation: #vertical
+                  )
+                 #(#ActionButtonSpec
+                    #attributes: 
+                   #(#tabable
+                      true
+                    )
+                    #name: 'alignTopLeft'
+                    #layout: #(#LayoutFrame 190 0 14 0 204 0 28 0)
+                    #activeHelpKey: #alignTopLeft
+                    #tabable: true
+                    #model: #alignTopLeft
+                  )
+                 #(#ActionButtonSpec
+                    #attributes: 
+                   #(#tabable
+                      true
+                    )
+                    #name: 'alignTopCenter'
+                    #layout: #(#LayoutFrame 217 0 14 0 231 0 28 0)
+                    #activeHelpKey: #alignTopCenter
+                    #tabable: true
+                    #model: #alignTopCenter
+                  )
+                 #(#ActionButtonSpec
+                    #attributes: 
+                   #(#tabable
+                      true
+                    )
+                    #name: 'alignTopRight'
+                    #layout: #(#LayoutFrame 245 0 14 0 259 0 28 0)
+                    #activeHelpKey: #alignTopRight
+                    #tabable: true
+                    #model: #alignTopRight
+                  )
+                 #(#ActionButtonSpec
+                    #attributes: 
+                   #(#tabable
+                      true
+                    )
+                    #name: 'alignLeftCenter'
+                    #layout: #(#LayoutFrame 190 0 32 0 204 0 46 0)
+                    #activeHelpKey: #alignLeftCenter
+                    #tabable: true
+                    #model: #alignLeftCenter
+                  )
+                 #(#ActionButtonSpec
+                    #attributes: 
+                   #(#tabable
+                      true
+                    )
+                    #name: 'alignCenter'
+                    #layout: #(#LayoutFrame 217 0 32 0 231 0 46 0)
+                    #activeHelpKey: #alignCenter
+                    #tabable: true
+                    #model: #alignCenter
+                  )
+                 #(#ActionButtonSpec
+                    #attributes: 
+                   #(#tabable
+                      true
+                    )
+                    #name: 'alignRightCenter'
+                    #layout: #(#LayoutFrame 245 0 32 0 259 0 46 0)
+                    #activeHelpKey: #alignRightCenter
+                    #tabable: true
+                    #model: #alignRightCenter
+                  )
+                 #(#ActionButtonSpec
+                    #attributes: 
+                   #(#tabable
+                      true
+                    )
+                    #name: 'alignBottomLeft'
+                    #layout: #(#LayoutFrame 190 0 50 0 204 0 64 0)
+                    #activeHelpKey: #alignBottomLeft
+                    #tabable: true
+                    #model: #alignBottomLeft
+                  )
+                 #(#ActionButtonSpec
+                    #attributes: 
+                   #(#tabable
+                      true
+                    )
+                    #name: 'alignBottomCenter'
+                    #layout: #(#LayoutFrame 217 0 50 0 231 0 64 0)
+                    #activeHelpKey: #alignBottomCenter
+                    #tabable: true
+                    #model: #alignBottomCenter
+                  )
+                 #(#ActionButtonSpec
+                    #attributes: 
+                   #(#tabable
+                      true
+                    )
+                    #name: 'alignBottomRight'
+                    #layout: #(#LayoutFrame 245 0 50 0 259 0 64 0)
+                    #activeHelpKey: #alignBottomRight
+                    #tabable: true
+                    #model: #alignBottomRight
+                  )
+                 )
+               
+              )
+            )
+           )
+         
+        )
+      )
+! !
+
+!UILayoutTool::AlignmentOrigin methodsFor:'accessing'!
+
+fetch:aView spec:aSpec
+    "fetch alignmentOrigin
+    "
+    |layout type 
+     leftAlignmentFractionHolder topAlignmentFractionHolder
+     leftOffsetHolder leftFractionHolder topOffsetHolder topFractionHolder|
+
+    type   := UIPainterView layoutType:aView.
+    layout := aView geometryLayout.
+
+    leftOffsetHolder := (self aspectFor:#leftOffset).
+    leftFractionHolder := (self aspectFor:#leftFraction).
+    topOffsetHolder := (self aspectFor:#topOffset).
+    topFractionHolder := (self aspectFor:#topFraction).
+    leftAlignmentFractionHolder := (self aspectFor:#leftAlignmentFraction).
+    topAlignmentFractionHolder := (self aspectFor:#topAlignmentFraction).
+
+    layout isLayout ifTrue:[
+        leftOffsetHolder   value:(layout leftOffset).
+        leftFractionHolder value:(layout leftFraction).
+        topOffsetHolder    value:(layout topOffset).
+        topFractionHolder  value:(layout topFraction).
+
+        type == #AlignmentOrigin ifTrue:[
+            leftAlignmentFractionHolder value:(layout leftAlignmentFraction).
+            topAlignmentFractionHolder  value:(layout topAlignmentFraction).
+          ^ self
+        ]
+    ] ifFalse:[
+        layout := aView computeOrigin.
+
+        leftOffsetHolder   value:(layout x).
+        leftFractionHolder value:0.
+        topOffsetHolder    value:(layout y).
+        topFractionHolder  value:0.
+    ].
+    leftAlignmentFractionHolder value:0.
+    topAlignmentFractionHolder  value:0.
+
+
+!
+
+layout
+    "returns current layout as alignmentOrigin
+    "
+    |layout|
+
+    layout  := Smalltalk::AlignmentOrigin new.
+
+    layout   leftOffset:((self aspectFor:#leftOffset)   value) ? 0.
+    layout    topOffset:((self aspectFor:#topOffset)    value) ? 0.
+    layout leftFraction:((self aspectFor:#leftFraction) value) ? 0.
+    layout  topFraction:((self aspectFor:#topFraction)  value) ? 0.
+
+    layout leftAlignmentFraction:((self aspectFor:#leftAlignmentFraction) value) ? 0.
+    layout  topAlignmentFraction:((self aspectFor:#topAlignmentFraction)  value) ? 0.
+
+  ^ layout
+! !
+
+!UILayoutTool::AlignmentOrigin methodsFor:'alignment'!
+
+alignBottomCenter
+    self makeAlignLeft:0.5 top:1
+
+
+!
+
+alignBottomLeft
+    self makeAlignLeft:0 top:1
+
+
+!
+
+alignBottomRight
+    self makeAlignLeft:1 top:1
+
+
+!
+
+alignCenter
+    self makeAlignLeft:0.5 top:0.5
+
+
+!
+
+alignLeftCenter
+    self makeAlignLeft:0 top:0.5
+
+
+!
+
+alignRightCenter
+    self makeAlignLeft:1 top:0.5
+
+
+!
+
+alignTopCenter
+    self makeAlignLeft:0.5 top:0
+
+
+!
+
+alignTopLeft
+    self makeAlignLeft:0 top:0
+
+
+!
+
+alignTopRight
+    self makeAlignLeft:1 top:0
+
+
+!
+
+makeAlignLeft:leftAlignmentFraction top:topAlignmentFraction
+    |lAF tAF lO tO ext lAHolder tAHolder lOHolder tOHolder|
+
+    lAF     := (lAHolder := self aspectFor:#leftAlignmentFraction) value ? 0.
+    tAF     := (tAHolder := self aspectFor:#topAlignmentFraction)  value ? 0.
+    ext     := (self aspectFor:#layoutView) computeExtent.
+
+    lAHolder value:leftAlignmentFraction.
+    tAHolder  value:topAlignmentFraction.
+
+    lO := (lOHolder := self aspectFor:#leftOffset) value ? 0.
+    tO := (tOHolder := self aspectFor:#topOffset)  value ? 0.
+
+    lO := lO + (ext x * (leftAlignmentFraction - lAF)).
+    tO := tO + (ext y * (topAlignmentFraction  - tAF)).
+
+    lOHolder value:(lO rounded).
+    tOHolder value:(tO rounded).
+
+!
+
+makeAlignTopRight
+    self makeAlignLeft:1 top:0
+
+
+! !
+
+!UILayoutTool::LayoutOrigin class methodsFor:'interface specs'!
+
+windowSpec
+    "This resource specification was automatically generated
+     by the UIPainter of ST/X."
+
+    "Do not manually edit this!! If it is corrupted,
+     the UIPainter may not be able to read the specification."
+
+    "
+     UIPainter new openOnClass:UILayoutTool::LayoutOrigin andSelector:#windowSpec
+     UILayoutTool::LayoutOrigin new openInterface:#windowSpec
+     UILayoutTool::LayoutOrigin open
+    "
+
+    <resource: #canvas>
+
+    ^
+     
+       #(#FullSpec
+          #window: 
+           #(#WindowSpec
+              #name: 'UILayoutTool-LayoutOrigin'
+              #layout: #(#LayoutFrame 290 0 420 0 647 0 565 0)
+              #label: 'UILayoutTool-LayoutOrigin'
+              #min: #(#Point 10 10)
+              #max: #(#Point 1152 900)
+              #bounds: #(#Rectangle 290 420 648 566)
+              #usePreferredExtent: false
+          )
+          #component: 
+           #(#SpecCollection
+              #collection: 
+               #(
+                 #(#UISubSpecification
+                    #name: 'layoutOriginSpec'
+                    #layout: #(#LayoutFrame 1 0.0 6 0 0 1.0 110 0)
+                    #majorKey: #UILayoutTool
+                    #minorKey: #layoutOriginSpec
+                )
+              )
+          )
+      )
+! !
+
+!UILayoutTool::LayoutOrigin methodsFor:'accessing'!
+
+fetch:aView spec:aSpec
+    "fetch layoutOrigin
+    "
+    |layout|
+
+    layout  := UIPainterView asLayoutFrameFromView:aView.
+
+    (self aspectFor:#leftOffset)   value:(layout leftOffset).
+    (self aspectFor:#leftFraction) value:(layout leftFraction).
+    (self aspectFor:#topOffset)    value:(layout topOffset).
+    (self aspectFor:#topFraction)  value:(layout topFraction).
+
+
+!
+
+layout
+    "returns current layout as layoutOrigin
+    "
+    |layout|
+
+    layout  := Smalltalk::LayoutOrigin new.
+
+    layout   leftOffset:((self aspectFor:#leftOffset)   value) ? 0.
+    layout    topOffset:((self aspectFor:#topOffset)    value) ? 0.
+    layout leftFraction:((self aspectFor:#leftFraction) value) ? 0.
+    layout  topFraction:((self aspectFor:#topFraction)  value) ? 0.
+
+  ^ layout
+
+! !
+
 !UILayoutTool::Extent class methodsFor:'help specs'!
 
 helpSpec
@@ -2370,6 +2307,74 @@
 
 ! !
 
+!UILayoutTool::Point class methodsFor:'interface specs'!
+
+windowSpec
+    "This resource specification was automatically generated
+     by the UIPainter of ST/X."
+
+    "Do not manually edit this!! If it is corrupted,
+     the UIPainter may not be able to read the specification."
+
+    "
+     UIPainter new openOnClass:UILayoutTool::Point andSelector:#windowSpec
+     UILayoutTool::Point new openInterface:#windowSpec
+     UILayoutTool::Point open
+    "
+
+    <resource: #canvas>
+
+    ^
+     
+       #(#FullSpec
+          #window: 
+           #(#WindowSpec
+              #name: 'UILayoutTool-Point'
+              #layout: #(#LayoutFrame 324 0 410 0 618 0 547 0)
+              #label: 'UILayoutTool-Point'
+              #min: #(#Point 10 10)
+              #max: #(#Point 1152 900)
+              #bounds: #(#Rectangle 324 410 619 548)
+              #usePreferredExtent: false
+          )
+          #component: 
+           #(#SpecCollection
+              #collection: 
+               #(
+                 #(#UISubSpecification
+                    #name: 'layoutPointSpec'
+                    #layout: #(#LayoutFrame 1 0.0 6 0 0 1.0 100 0)
+                    #majorKey: #UILayoutTool
+                    #minorKey: #layoutPointSpec
+                )
+              )
+          )
+      )
+! !
+
+!UILayoutTool::Point methodsFor:'accessing'!
+
+fetch:aView spec:aSpec
+    "fetch point
+    "
+    |origin|
+
+    origin  := aView computeOrigin.
+
+    (self aspectFor:#leftOffset) value:(origin x).
+    (self aspectFor:#topOffset)  value:(origin y).
+
+
+!
+
+layout
+    "returns current layout as point
+    "
+  ^ Smalltalk::Point x:(((self aspectFor:#leftOffset) value) ? 0)
+                     y:(((self aspectFor:#topOffset)  value) ? 0)
+
+! !
+
 !UILayoutTool class methodsFor:'documentation'!
 
 version