diff -r 556bb6c9e36c -r 230fe13c4e51 UIGalleryView.st
--- a/UIGalleryView.st	Sun May 02 13:40:15 1999 +0200
+++ b/UIGalleryView.st	Thu May 06 23:11:00 1999 +0200
@@ -1,6 +1,6 @@
 "
  COPYRIGHT (c) 1997 by Claus Gittinger / eXept Software AG
-              All Rights Reserved
+	      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
@@ -39,7 +39,7 @@
 copyright
 "
  COPYRIGHT (c) 1997 by Claus Gittinger / eXept Software AG
-              All Rights Reserved
+	      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
@@ -60,12 +60,12 @@
     The UISelectionPanel used by the UIPainter is implemented in this way.
 
     [author:]
-        Claus Gittinger
-        Claus Atzkern
+	Claus Gittinger
+	Claus Atzkern
 
     [see also:]
-        UIPainter
-        UISelectionPanel
+	UIPainter
+	UISelectionPanel
 "
 
 !
@@ -74,25 +74,25 @@
 "
     opens a gallery
 
-                                                                        [exBegin]
+									[exBegin]
     |top sel|
 
     top := StandardSystemView new label:'gallery'; extent:500@300.
     sel := UIGalleryView origin:0.0 @ 0.0 corner:1.0 @ 1.0 in:top.
 
     sel labels:#(    'Buttons'
-                     'Panels'
-                     'Text'
-                   ).
+		     'Panels'
+		     'Text'
+		   ).
 
     sel minorKeys:#( #standardButtonToggle
-                     #standardPanels
-                     #standardText
-                   ).
+		     #standardPanels
+		     #standardText
+		   ).
 
     sel majorKey:UISelectionPanel.
     top open.
-                                                                        [exEnd]
+									[exEnd]
 "
 ! !
 
@@ -139,9 +139,9 @@
     appl := self application.
 
     appl notNil ifTrue:[
-        majorKey := appl resolveName:aKey
+	majorKey := appl resolveName:aKey
     ] ifFalse:[
-        majorKey := Smalltalk resolveName:aKey inClass:self class
+	majorKey := Smalltalk resolveName:aKey inClass:self class
     ].
     self selection:nil
 !
@@ -195,11 +195,11 @@
      specifications from a class associated with the majorKey.
     "
     minorKeysHolder notNil ifTrue:[
-        minorKeysHolder removeDependent:self. 
+	minorKeysHolder removeDependent:self. 
     ].
 
     (minorKeysHolder := aValueHolder) notNil ifTrue:[
-        minorKeysHolder addDependent:self.
+	minorKeysHolder addDependent:self.
     ].
     self minorKeys:(minorKeysHolder value)
 ! !
@@ -214,24 +214,24 @@
     selection := tabRaw listIndexOf:something.
 
     minorKeysHolder notNil ifTrue:[
-        minorKeys := minorKeysHolder value.
+	minorKeys := minorKeysHolder value.
     ].
     (selection notNil and:[minorKeys size >= selection]) ifTrue:[
-        selector := minorKeys at:selection.
+	selector := minorKeys at:selection.
 
-        (majorKey respondsTo:selector) ifTrue:[
-            specification := majorKey perform:selector
-        ] ifFalse:[
-            (application := self application) notNil ifTrue:[
-                Object messageNotUnderstoodSignal handle:[:ex|
-                    (application class respondsTo:selector) ifTrue:[
-                        specification := application class perform:selector
-                    ]
-                ] do:[
-                    specification := application aspectFor:selector
-                ]
-            ]
-        ]
+	(majorKey respondsTo:selector) ifTrue:[
+	    specification := majorKey perform:selector
+	] ifFalse:[
+	    (application := self application) notNil ifTrue:[
+		Object messageNotUnderstoodSignal handle:[:ex|
+		    (application class respondsTo:selector) ifTrue:[
+			specification := application class perform:selector
+		    ]
+		] do:[
+		    specification := application aspectFor:selector
+		]
+	    ]
+	]
     ].
     canvas specification:specification.
 
@@ -245,7 +245,7 @@
     "one of my models changed its value
     "
     changedObject == minorKeysHolder ifTrue:[
-        ^ self minorKeys:( minorKeysHolder value)
+	^ self minorKeys:( minorKeysHolder value)
     ].
     super update:something with:aParameter from:changedObject.
 
@@ -255,8 +255,8 @@
 
 destroy
     minorKeysHolder notNil ifTrue:[
-        minorKeysHolder removeDependent:self. 
-        minorKeysHolder := nil.
+	minorKeysHolder removeDependent:self. 
+	minorKeysHolder := nil.
     ].
     super destroy.
 !
@@ -300,7 +300,7 @@
      no selection the specification under the cursor
     "
     (clientSpecHolder := aHolder) notNil ifTrue:[
-        clientSpecHolder value:selection
+	clientSpecHolder value:selection
     ].
 !
 
@@ -330,36 +330,36 @@
     self selection:nil.
 
     self subViews copy do:[:aSubView|
-        aSubView ~~ inputView ifTrue:[
-            aSubView destroy
-        ]
+	aSubView ~~ inputView ifTrue:[
+	    aSubView destroy
+	]
     ].
 
     aSpecOrSpecArray notNil ifTrue:[
-        specification := UISpecification from:aSpecOrSpecArray.
+	specification := UISpecification from:aSpecOrSpecArray.
 
-        (specification respondsTo:#buildViewFor:in:) ifFalse:[
-            specification := nil.
-          ^ self
-        ].
-        (builder := uiBuilder) isNil ifTrue:[
-            builder := UIBuilder new isEditing:true.
-            builder showDefaults:true.
-        ].
+	(specification respondsTo:#buildViewFor:in:) ifFalse:[
+	    specification := nil.
+	  ^ self
+	].
+	(builder := uiBuilder) isNil ifTrue:[
+	    builder := UIBuilder new isEditing:true.
+	    builder showDefaults:true.
+	].
 
-        specification buildViewFor:builder in:self.
+	specification buildViewFor:builder in:self.
 
-        subViews do:[:v|
-            (v ~~ inputView and:[(self findSpecFor:v) notNil]) ifTrue:[
-                v borderWidth:1.
-            ]
-        ].
-        self shown ifTrue:[
-            self realizeAllSubViews.
-            inputView raise
-        ]
+	subViews do:[:v|
+	    (v ~~ inputView and:[(self findSpecFor:v) notNil]) ifTrue:[
+		v borderWidth:1.
+	    ]
+	].
+	self shown ifTrue:[
+	    self realizeAllSubViews.
+	    inputView raise
+	]
     ] ifFalse:[
-        specification := nil
+	specification := nil
     ]
 
 
@@ -374,13 +374,13 @@
     |spec comp coll|
 
     (aSpec notNil and:[aSpec canUIDrag]) ifFalse:[
-        ^ nil
+	^ nil
     ].
 
     spec := aSpec copy.
 
     (aSpec class supportsSubComponents and:[aSpec component notNil]) ifFalse:[
-        ^ spec
+	^ spec
     ].
     comp := aSpec component.
     spec component:nil.
@@ -391,9 +391,9 @@
     coll := OrderedCollection new.
 
     comp do:[:anEntry||spc|
-        (spc := self buildSpecFrom:anEntry) notNil ifTrue:[
-            coll add:spc
-        ]
+	(spc := self buildSpecFrom:anEntry) notNil ifTrue:[
+	    coll add:spc
+	]
     ].
     coll isEmpty ifTrue:[
       ^ spec
@@ -418,17 +418,17 @@
     spec := self findSpecFor:selection.
 
     spec notNil ifTrue:[
-        spec := self buildSpecFrom:spec.
-        name := spec className asString.
-        name := name copyFrom:1 to:(name size - ('Spec' size) + 1). 
-        name at:1 put:(name at:1) asLowercase.
-        name at:(name size) put:$1.
-        spec name:name.
+	spec := self buildSpecFrom:spec.
+	name := spec className asString.
+	name := name copyFrom:1 to:(name size - ('Spec' size) + 1). 
+	name at:1 put:(name at:1) asLowercase.
+	name at:(name size) put:$1.
+	spec name:name.
 
-        self showUnselected.
-        dragObj := DropSpec for:selection specification:spec.
-        "/ self showSelected.
-        DragAndDropManager startDrag:dragObj from:inputView.
+	self showUnselected.
+	dragObj := DropSpec for:selection specification:spec.
+	"/ self showSelected.
+	DragAndDropManager startDrag:dragObj from:inputView.
     ]
 
 !
@@ -441,19 +441,19 @@
     spec := self findSpecFor:selection.
 
     spec notNil ifTrue:[
-        spec := self buildSpecFrom:spec.
-        spec name:(spec copy userFriendlyName, $1).
+	spec := self buildSpecFrom:spec.
+	spec name:(spec copy userFriendlyName, $1).
 
-        self showUnselected.
-        dragObj := DropSpec for:selection specification:spec.
-        "/ self showSelected.
+	self showUnselected.
+	dragObj := DropSpec for:selection specification:spec.
+	"/ self showSelected.
 
-        o := lastClickPoint - selection origin.
+	o := lastClickPoint - selection origin.
 
-        DragAndDropManager 
-            startDrag:dragObj 
-            from:inputView
-            offset:o.
+	DragAndDropManager 
+	    startDrag:dragObj 
+	    from:inputView
+	    offset:o.
     ]
 
     "Created: 11.8.1997 / 00:44:17 / cg"
@@ -468,12 +468,12 @@
     |sensor|
 
     (state ~~ 0 and:[lastClickPoint notNil and:[selection notNil]]) ifTrue:[
-        sensor := self sensor.
-        sensor anyButtonPressed ifTrue:[
-            (lastClickPoint dist:(x@y)) > 10.0 ifTrue:[
-                ^ self startDragWithOffset:(x@y) - lastClickPoint
-            ]
-        ]
+	sensor := self sensor.
+	sensor anyButtonPressed ifTrue:[
+	    (lastClickPoint dist:(x@y)) > 10.0 ifTrue:[
+		^ self startDragWithOffset:(x@y) - lastClickPoint
+	    ]
+	]
     ]
 !
 
@@ -483,17 +483,17 @@
     |application|
 
     button == 1 ifTrue:[
-        lastClickPoint := Point x:x y:y.
-        self selection:(self findObjectAtX:x y:y).
+	lastClickPoint := Point x:x y:y.
+	self selection:(self findObjectAtX:x y:y).
     ]  ifFalse:[
-        lastClickPoint := nil.
+	lastClickPoint := nil.
 
-        (menuSelector notNil and:[(application := self application) notNil]) ifTrue:[
-            Object messageNotUnderstoodSignal handle:[:ex|
-            ] do:[
-                application aspectFor:menuSelector
-            ]
-        ]
+	(menuSelector notNil and:[(application := self application) notNil]) ifTrue:[
+	    Object messageNotUnderstoodSignal handle:[:ex|
+	    ] do:[
+		application aspectFor:menuSelector
+	    ]
+	]
     ]
 
 !
@@ -504,7 +504,7 @@
     super exposeX:x y:y width:w height:h.
 
     (selection notNil and:[self sensor hasExposeEventFor:selection]) ifFalse:[
-        self showSelected.
+	self showSelected.
     ].
 
 
@@ -547,17 +547,17 @@
     subViews do:[:v|
 	|pX pY|
 
-        v ~~ inputView ifTrue:[
-            p := device translatePoint:point from:id to:(v id).
+	v ~~ inputView ifTrue:[
+	    p := device translatePoint:point from:id to:(v id).
 	    pX := p x.
 	    pY := p y.
-            (     pX >= 0 and:[pX <= v width
-             and:[pY >= 0 and:[pY <= v height
-             and:[(self findSpecFor:v) notNil]]]]
-            ) ifTrue:[
-                ^ v
-            ]
-        ]
+	    (     pX >= 0 and:[pX <= v width
+	     and:[pY >= 0 and:[pY <= v height
+	     and:[(self findSpecFor:v) notNil]]]]
+	    ) ifTrue:[
+		^ v
+	    ]
+	]
     ].
   ^ nil
 
@@ -570,14 +570,14 @@
     |name|
 
     anObject notNil ifTrue:[
-        name := anObject name.
+	name := anObject name.
 
-        specification do:[:aSpec|
-            aSpec name = name ifTrue:[
-                aSpec canUIDrag ifTrue:[^ aSpec]
-                               ifFalse:[^ nil]
-            ]
-        ]
+	specification do:[:aSpec|
+	    aSpec name = name ifTrue:[
+		aSpec canUIDrag ifTrue:[^ aSpec]
+			       ifFalse:[^ nil]
+	    ]
+	]
     ].
     ^ nil
 
@@ -591,14 +591,14 @@
      is a rectangle
     "
     aComponent notNil ifTrue:[
-        aOneArgBlock value:(aComponent origin       - (2@2) extent:6@6).
-        aOneArgBlock value:(aComponent corner       - (1@1) extent:6@6).
-        aOneArgBlock value:(aComponent topRight     - (1@2) extent:6@6).
-        aOneArgBlock value:(aComponent bottomLeft   - (2@1) extent:6@6).
-        aOneArgBlock value:(aComponent leftCenter   - (2@0) extent:6@6).
-        aOneArgBlock value:(aComponent rightCenter  - (1@0) extent:6@6).
-        aOneArgBlock value:(aComponent topCenter    - (0@2) extent:6@6).
-        aOneArgBlock value:(aComponent bottomCenter - (0@1) extent:6@6).
+	aOneArgBlock value:(aComponent origin       - (2@2) extent:6@6).
+	aOneArgBlock value:(aComponent corner       - (1@1) extent:6@6).
+	aOneArgBlock value:(aComponent topRight     - (1@2) extent:6@6).
+	aOneArgBlock value:(aComponent bottomLeft   - (2@1) extent:6@6).
+	aOneArgBlock value:(aComponent leftCenter   - (2@0) extent:6@6).
+	aOneArgBlock value:(aComponent rightCenter  - (1@0) extent:6@6).
+	aOneArgBlock value:(aComponent topCenter    - (0@2) extent:6@6).
+	aOneArgBlock value:(aComponent bottomCenter - (0@1) extent:6@6).
     ]
 
 
@@ -610,18 +610,18 @@
     |spec|
 
     selection ~~ anObject ifTrue:[
-        self showUnselected.
-        spec := self findSpecFor:anObject.
+	self showUnselected.
+	spec := self findSpecFor:anObject.
 
-        spec notNil ifTrue:[
-            selection := anObject.
-            self showSelected
-        ] ifFalse:[
-            selection := nil
-        ].
-        clientSpecHolder notNil ifTrue:[
-            clientSpecHolder value:spec
-        ]
+	spec notNil ifTrue:[
+	    selection := anObject.
+	    self showSelected
+	] ifFalse:[
+	    selection := nil
+	].
+	clientSpecHolder notNil ifTrue:[
+	    clientSpecHolder value:spec
+	]
     ]
 
 
@@ -633,12 +633,12 @@
     shown ifFalse:[^ self].
 
     selection notNil ifTrue:[
-        self clippedByChildren:false.
+	self clippedByChildren:false.
 
-        self handlesOf:selection do:[:aRectangle|
-            self fillRectangle:aRectangle
-        ].
-        self clippedByChildren:true.
+	self handlesOf:selection do:[:aRectangle|
+	    self fillRectangle:aRectangle
+	].
+	self clippedByChildren:true.
     ].
 
 
@@ -650,7 +650,7 @@
     |r currSel|
 
     (currSel := selection) isNil ifTrue:[
-        ^ self
+	^ self
     ].
     shown ifFalse:[^ self].
     selection := nil.
@@ -658,25 +658,27 @@
     self clippedByChildren:false.
 
     self handlesOf:currSel do:[:aRectangle|
-        self clearRectangle:aRectangle
+	self clearRectangle:aRectangle
     ].
     self clippedByChildren:true.
     r := currSel bounds.
 
     subViews do:[:sv|
-        |absOrg absFrame|
+	|absOrg absFrame|
 
-        sv ~~ inputView ifTrue:[
-            (sv bounds intersects:r) ifTrue:[
-                "/ sv borderColor:(Color gray:5).
-                sv borderColor:(Color black).
+	sv ~~ inputView ifTrue:[
+	    (sv bounds intersects:r) ifTrue:[
+		"/ sv borderColor:(Color gray:5).
+		sv borderColor:(Color black).
 
-                sv withAllSubViewsDo:[:v|
-                    v fill:v viewBackground.
-                    v exposeX:0 y:0 width:v width height:v height.
-                ]
-            ]
-        ]
+		sv withAllSubViewsDo:[:v|
+		    v realized ifTrue:[
+			v fill:v viewBackground.
+			v exposeX:0 y:0 width:v width height:v height.
+		    ]
+		]
+	    ]
+	]
     ].
     selection := currSel.
 
@@ -696,24 +698,24 @@
     point  := device translatePoint:0@0 from:(aView id) to:(root id).
 
     (point x > 0 and:[point y > 0]) ifTrue:[
-        point := point + extent.
-        (point x < root width and:[point y < root height]) ifTrue:[
-            aView topView raise.
-            device sync.
-            aView invalidate.
-            aView windowGroup processExposeEvents.
-            displayObject := Image fromView:aView grab:false.
-        ]
+	point := point + extent.
+	(point x < root width and:[point y < root height]) ifTrue:[
+	    aView topView raise.
+	    device sync.
+	    aView invalidate.
+	    aView windowGroup processExposeEvents.
+	    displayObject := Image fromView:aView grab:false.
+	]
     ].
     displayObject isNil ifTrue:[
-        displayObject := Form extent:extent depth:1.
-        displayObject colorMap:(Array with:Color white with:Color black).
-        displayObject fill:(Color colorId:0).
-        displayObject paint:(Color colorId:1).
-        displayObject displayRectangleX:0 y:0 width:aView extent x height:aView extent y.
+	displayObject := Form extent:extent depth:1.
+	displayObject colorMap:(Array with:Color white with:Color black).
+	displayObject fill:(Color colorId:0).
+	displayObject paint:(Color colorId:1).
+	displayObject displayRectangleX:0 y:0 width:aView extent x height:aView extent y.
     ].
     aSpec class == UISubSpecification ifTrue:[
-        aSpec layout:(LayoutOrigin fromPoint:0@0)
+	aSpec layout:(LayoutOrigin fromPoint:0@0)
     ].
 
     inst := self new.