Walkback during resizing

 Under VW7.7 I frequently get the walkback below when resizing a
window.  As a precursor to the walkback, the resizing of the contents of
the window lags the resizing of the window.  I'm working under Gentoo
Linux with the xfwm4 window manager in case it makes any difference.  No
big deal but thought cincom might want to know.

David

Unhandled exception: a primitive has failed
ApplicationWindow(Object)>>error:
ApplicationWindow(Object)>>primitiveFailed
ApplicationWindow(Window)>>deviceContentsOfAreaOriginX:y:width:height:into:startingAt:
ApplicationWindow(DisplaySurface)>>contentsOfArea:into:startingAt:
optimized [] in AlphaCompositedImage>>fetchCompositionTarget:
BlockClosure>>cull:
Depth32Image(Object)>>ifNil:ifNotNil:
AlphaCompositedImage>>fetchCompositionTarget:
AlphaCompositedImage>>displayOn:
AlphaCompositedImage(VisualComponent)>>displayOn:at:
AlphaCompositedImage(VisualComponent)>>displayOn:at:enabled:
Win98ToolbarButtonView(Win95ActionButtonView)>>displayLabelOn:offset:
Win98ToolbarButtonView>>displayLabelOn:offset:
optimized [] in Win98ToolbarButtonView>>displayOn:
BlockClosure>>cull:
AlphaCompositedImage(Object)>>ifNotNil:
Win98ToolbarButtonView>>displayOn:
BoundedWrapper>>displayOn:
SpecWrapper(Wrapper)>>displayOn:
SpecWrapper(WidgetWrapper)>>displayOn:
MotifToolBar(CompositePart)>>displayOn:
MotifToolBar(ToolBar)>>displayOn:
BoundedWrapper>>displayOn:
ReComposingComposite(CompositePart)>>displayOn:
WindowDisplayPolicy>>displayDamageList:in:
ApplicationWindow(ScheduledWindow)>>displayDamageEvent:
ApplicationWindow(Window)>>displayPendingInvalidation
optimized [] in VisualPart>>repairDamage
BlockClosure>>cull:
ApplicationWindow(Object)>>ifNotNil:
ReComposingComposite(VisualPart)>>repairDamage
optimized [] in ScheduledWindow>>extentEvent:
BlockClosure>>cull:
ReComposingComposite(Object)>>ifNotNil:
ApplicationWindow(ScheduledWindow)>>extentEvent:
ApplicationWindow(ScheduledWindow)>>resizeEvent:
ResizeEvent>>dispatchTo:
ApplicationWindow(Window)>>dispatchEvent:
ResizeEvent(Event)>>dispatch
optimized [] in [] in WindowManager>>processDamageEvents
OrderedCollection>>do:
optimized [] in WindowManager>>processDamageEvents
BlockClosure>>ensure:
BlockClosure>>valueUnpreemptively
WindowManager>>processDamageEvents
optimized [] in Window>>displayPendingInvalidation
BlockClosure>>cull:
WindowManager(Object)>>ifNotNil:
ApplicationWindow(Window)>>displayPendingInvalidation
optimized [] in VisualPart>>repairDamage
BlockClosure>>cull:
ApplicationWindow(Object)>>ifNotNil:
ReComposingComposite(VisualPart)>>repairDamage
optimized [] in ScheduledWindow>>extentEvent:
BlockClosure>>cull:
ReComposingComposite(Object)>>ifNotNil:
ApplicationWindow(ScheduledWindow)>>extentEvent:
ApplicationWindow(ScheduledWindow)>>resizeEvent:
ResizeEvent>>dispatchTo:
ApplicationWindow(Window)>>dispatchEvent:
ResizeEvent(Event)>>dispatch
WindowManager>>resizeEvent:
ResizeEvent>>dispatchTo:
ResizeEvent>>dispatchForWindowManager:
optimized [] in WindowManager>>safelyDispatchForWindowManager:
BlockClosure>>on:do:
WindowManager>>safelyDispatchForWindowManager:
WindowManager>>processNextEvent
optimized [] in [] in WindowManager>>newProcess
BlockClosure>>on:do:
optimized [] in WindowManager>>newProcess
BlockClosure>>on:do:
optimized [] in Process class>>forBlock:priority:

----------------------------------------------------------------------
ApplicationWindow(Object)>>error:
Receiver:
    an ApplicationWindow
Instance Variables:
    handle = a GraphicsHandle(56641513)
    width = 750
    height = 466
    background = (ColorValue brightness: 0.800024)
    inputOrigin = 781 @ 44
    creationOrigin = 781 @ 44
    sensor = an EventSensor
    iconic = false
    windowType = #normal
    effectiveWindowType = nil
    statusLineHeight = 0
    allowsStatusLine = true
    mapped = true
    eventHandlers = nil
    windowManager = a WindowManager
    label = 'Ivan Tomek''s VisualWorks Smalltalk Workspace'
    icon = an Icon
    minimumSize = 250 @ 100
    maximumSize = 0 @ 0
    component = a ReComposingComposite
    lookPreferences = nil
    paintPreferences = nil
    edgeDecorationPolicy = a MotifBorderDecorationPolicy
    widgetPolicy = a MotifWidgetPolicy
    controller = an ApplicationStandardSystemController
    model = a Workspace
    damageRepairPolicy = a WindowDisplayPolicy
    masterWindow = nil
    keyboardProcessor = a KeyboardProcessor
    application = a Workspace
    sendWindowEvents = an Array[1]
    receiveWindowEvents = nil
    windowEventBlock = nil
    activationNotification = true
    isEventDriven = nil
    toolbarVisible = true
    dropTarget = nil
    dragDropInProgress = nil
    dragDropTracker = nil
Arguments:
    aStringOrMessage = an UserMessage('a primitive has failed',
#errPrimitiveFailed, #dialogs)
Context PC = 6

----------------------------------------------------------------------
ApplicationWindow(Object)>>primitiveFailed
Receiver:
    an ApplicationWindow
Instance Variables:
    handle = a GraphicsHandle(56641513)
    width = 750
    height = 466
    background = (ColorValue brightness: 0.800024)
    inputOrigin = 781 @ 44
    creationOrigin = 781 @ 44
    sensor = an EventSensor
    iconic = false
    windowType = #normal
    effectiveWindowType = nil
    statusLineHeight = 0
    allowsStatusLine = true
    mapped = true
    eventHandlers = nil
    windowManager = a WindowManager
    label = 'Ivan Tomek''s VisualWorks Smalltalk Workspace'
    icon = an Icon
    minimumSize = 250 @ 100
    maximumSize = 0 @ 0
    component = a ReComposingComposite
    lookPreferences = nil
    paintPreferences = nil
    edgeDecorationPolicy = a MotifBorderDecorationPolicy
    widgetPolicy = a MotifWidgetPolicy
    controller = an ApplicationStandardSystemController
    model = a Workspace
    damageRepairPolicy = a WindowDisplayPolicy
    masterWindow = nil
    keyboardProcessor = a KeyboardProcessor
    application = a Workspace
    sendWindowEvents = an Array[1]
    receiveWindowEvents = nil
    windowEventBlock = nil
    activationNotification = true
    isEventDriven = nil
    toolbarVisible = true
    dropTarget = nil
    dragDropInProgress = nil
    dragDropTracker = nil
Context PC = 10

----------------------------------------------------------------------
ApplicationWindow(Window)>>deviceContentsOfAreaOriginX:y:width:height:into:startingAt:
Receiver:
    an ApplicationWindow
Instance Variables:
    handle = a GraphicsHandle(56641513)
    width = 750
    height = 466
    background = (ColorValue brightness: 0.800024)
    inputOrigin = 781 @ 44
    creationOrigin = 781 @ 44
    sensor = an EventSensor
    iconic = false
    windowType = #normal
    effectiveWindowType = nil
    statusLineHeight = 0
    allowsStatusLine = true
    mapped = true
    eventHandlers = nil
    windowManager = a WindowManager
    label = 'Ivan Tomek''s VisualWorks Smalltalk Workspace'
    icon = an Icon
    minimumSize = 250 @ 100
    maximumSize = 0 @ 0
    component = a ReComposingComposite
    lookPreferences = nil
    paintPreferences = nil
    edgeDecorationPolicy = a MotifBorderDecorationPolicy
    widgetPolicy = a MotifWidgetPolicy
    controller = an ApplicationStandardSystemController
    model = a Workspace
    damageRepairPolicy = a WindowDisplayPolicy
    masterWindow = nil
    keyboardProcessor = a KeyboardProcessor
    application = a Workspace
    sendWindowEvents = an Array[1]
    receiveWindowEvents = nil
    windowEventBlock = nil
    activationNotification = true
    isEventDriven = nil
    toolbarVisible = true
    dropTarget = nil
    dragDropInProgress = nil
    dragDropTracker = nil
Arguments:
    originX = 244
    originY = 33
    w = 24
    h = 24
    aByteArray = a ByteArray[2304]
    startingIndex = 1
Context PC = 8

----------------------------------------------------------------------
ApplicationWindow(DisplaySurface)>>contentsOfArea:into:startingAt:
Receiver:
    an ApplicationWindow
Instance Variables:
    handle = a GraphicsHandle(56641513)
    width = 750
    height = 466
    background = (ColorValue brightness: 0.800024)
    inputOrigin = 781 @ 44
    creationOrigin = 781 @ 44
    sensor = an EventSensor
    iconic = false
    windowType = #normal
    effectiveWindowType = nil
    statusLineHeight = 0
    allowsStatusLine = true
    mapped = true
    eventHandlers = nil
    windowManager = a WindowManager
    label = 'Ivan Tomek''s VisualWorks Smalltalk Workspace'
    icon = an Icon
    minimumSize = 250 @ 100
    maximumSize = 0 @ 0
    component = a ReComposingComposite
    lookPreferences = nil
    paintPreferences = nil
    edgeDecorationPolicy = a MotifBorderDecorationPolicy
    widgetPolicy = a MotifWidgetPolicy
    controller = an ApplicationStandardSystemController
    model = a Workspace
    damageRepairPolicy = a WindowDisplayPolicy
    masterWindow = nil
    keyboardProcessor = a KeyboardProcessor
    application = a Workspace
    sendWindowEvents = an Array[1]
    receiveWindowEvents = nil
    windowEventBlock = nil
    activationNotification = true
    isEventDriven = nil
    toolbarVisible = true
    dropTarget = nil
    dragDropInProgress = nil
    dragDropTracker = nil
Arguments:
    aRectangle = 244 @ 33 corner: 268 @ 57
    aByteArray = a ByteArray[2304]
    startIndex = 1
Context PC = 18

----------------------------------------------------------------------
optimized [] in AlphaCompositedImage>>fetchCompositionTarget:
Receiver:
    an UndefinedObject
Temporaries:
    .medium = an ApplicationWindow 56641513
    .box = 244 @ 33 corner: 268 @ 57
    .self = an AlphaCompositedImage
Context PC = 11

----------------------------------------------------------------------
BlockClosure>>cull:
Receiver:
    a BlockClosure
Instance Variables:
    method = CompiledBlock [] in
AlphaCompositedImage>>fetchCompositionTarget:
    outerContext = nil
    copiedValues = an Array[3]
Arguments:
    anObject = Depth32Image(extent: 24 @ 24 depth: 24)
Context PC = 10

----------------------------------------------------------------------
Depth32Image(Object)>>ifNil:ifNotNil:
Receiver:
    a Depth32Image
Instance Variables:
    bits = a ByteArray[2304]
    width = 24
    height = 24
    depth = 24
    bitsPerPixel = 32
    palette = a FixedPalette[16777216]
    maxPixelValue = 16777215
    rowByteSize = 96
Arguments:
    nilBlock = BlockClosure [] in
AlphaCompositedImage>>fetchCompositionTarget:
    notNilBlock = BlockClosure [] in
AlphaCompositedImage>>fetchCompositionTarget:
Context PC = 4

----------------------------------------------------------------------
AlphaCompositedImage>>fetchCompositionTarget:
Receiver:
    an AlphaCompositedImage
Instance Variables:
    composition = Depth32Image(extent: 24 @ 24 depth: 24)
    image = Depth32Image(extent: 24 @ 24 depth: 32)
Arguments:
    aGC = a ScreenGraphicsContext
Temporaries:
    medium = an ApplicationWindow 56641513
    box = 244 @ 33 corner: 268 @ 57
    subRegion = nil
    subBox = nil
Context PC = 58

----------------------------------------------------------------------
AlphaCompositedImage>>displayOn:
Receiver:
    an AlphaCompositedImage
Instance Variables:
    composition = Depth32Image(extent: 24 @ 24 depth: 24)
    image = Depth32Image(extent: 24 @ 24 depth: 32)
Arguments:
    aGC = a ScreenGraphicsContext
Context PC = 25

----------------------------------------------------------------------
AlphaCompositedImage(VisualComponent)>>displayOn:at:
Receiver:
    an AlphaCompositedImage
Instance Variables:
    composition = Depth32Image(extent: 24 @ 24 depth: 24)
    image = Depth32Image(extent: 24 @ 24 depth: 32)
Arguments:
    aGraphicsContext = a ScreenGraphicsContext
    aPoint = 3 @ 3
Temporaries:
    t = 241 @ 30
Context PC = 11

----------------------------------------------------------------------
AlphaCompositedImage(VisualComponent)>>displayOn:at:enabled:
Receiver:
    an AlphaCompositedImage
Instance Variables:
    composition = Depth32Image(extent: 24 @ 24 depth: 24)
    image = Depth32Image(extent: 24 @ 24 depth: 32)
Arguments:
    aGraphicsContext = a ScreenGraphicsContext
    aPoint = 3 @ 3
    aBoolean = true
Temporaries:
    copyGC = nil
Context PC = 29

----------------------------------------------------------------------
Win98ToolbarButtonView(Win95ActionButtonView)>>displayLabelOn:offset:
Receiver:
    a Win98ToolbarButtonView
Instance Variables:
    container = a BoundedWrapper on: a Win98ToolbarButtonView
    eventHandlers = nil
    properties = a Dictionary[2]
    model = a PluggableAdaptor
    controller = a Win98ToolbarButtonController
    state = a WidgetState
    isInTransition = false
    latestValue = nil
    referenceValue = true
    label = an AlphaCompositedImage
    textStyle = nil
    helpText = nil
Arguments:
    aGraphicsContext = a ScreenGraphicsContext
    aPoint = 0
Temporaries:
    appropriateLabel = an AlphaCompositedImage
Context PC = 34

----------------------------------------------------------------------
Win98ToolbarButtonView>>displayLabelOn:offset:
Receiver:
    a Win98ToolbarButtonView
Instance Variables:
    container = a BoundedWrapper on: a Win98ToolbarButtonView
    eventHandlers = nil
    properties = a Dictionary[2]
    model = a PluggableAdaptor
    controller = a Win98ToolbarButtonController
    state = a WidgetState
    isInTransition = false
    latestValue = nil
    referenceValue = true
    label = an AlphaCompositedImage
    textStyle = nil
    helpText = nil
Arguments:
    aGraphicsContext = a ScreenGraphicsContext
    aPoint = 0
Context PC = 15

----------------------------------------------------------------------
optimized [] in Win98ToolbarButtonView>>displayOn:
Receiver:
    an UndefinedObject
Temporaries:
    .self = a Win98ToolbarButtonView
    .aGraphicsContext = a ScreenGraphicsContext
    .offset = 0
Context PC = 8

----------------------------------------------------------------------
BlockClosure>>cull:
Receiver:
    a BlockClosure
Instance Variables:
    method = CompiledBlock [] in Win98ToolbarButtonView>>displayOn:
    outerContext = nil
    copiedValues = an Array[3]
Arguments:
    anObject = an AlphaCompositedImage
Context PC = 10

----------------------------------------------------------------------
AlphaCompositedImage(Object)>>ifNotNil:
Receiver:
    an AlphaCompositedImage
Instance Variables:
    composition = Depth32Image(extent: 24 @ 24 depth: 24)
    image = Depth32Image(extent: 24 @ 24 depth: 32)
Arguments:
    aBlock = BlockClosure [] in Win98ToolbarButtonView>>displayOn:
Context PC = 4

----------------------------------------------------------------------
Win98ToolbarButtonView>>displayOn:
Receiver:
    a Win98ToolbarButtonView
Instance Variables:
    container = a BoundedWrapper on: a Win98ToolbarButtonView
    eventHandlers = nil
    properties = a Dictionary[2]
    model = a PluggableAdaptor
    controller = a Win98ToolbarButtonController
    state = a WidgetState
    isInTransition = false
    latestValue = nil
    referenceValue = true
    label = an AlphaCompositedImage
    textStyle = nil
    helpText = nil
Arguments:
    aGraphicsContext = a ScreenGraphicsContext
Temporaries:
    box = 0 @ 0 corner: 30 @ 30
    offset = 0
Context PC = 87

----------------------------------------------------------------------
BoundedWrapper>>displayOn:
Receiver:
    a BoundedWrapper
Instance Variables:
    container = a SpecWrapper on: a BoundedWrapper on: a
Win98ToolbarButtonView
    eventHandlers = nil
    properties = nil
    component = a Win98ToolbarButtonView
    origin = 241 @ 2
    layout = 0 @ 0 corner: 1 @ 1
    extent = 30 @ 30
Arguments:
    aGraphicsContext = a ScreenGraphicsContext
Context PC = 14

----------------------------------------------------------------------
SpecWrapper(Wrapper)>>displayOn:
Receiver:
    a SpecWrapper
Instance Variables:
    container = a MotifToolBar
    eventHandlers = nil
    properties = nil
    component = a BoundedWrapper on: a Win98ToolbarButtonView
    widget = a Win98ToolbarButtonView
    widgetState = a WidgetState
    effectivelyVisible = true
    decorator = nil
    dependents = nil
    dropTarget = nil
    spec = a MenuItem 'Print it'
Arguments:
    aGraphicsContext = a ScreenGraphicsContext
Context PC = 7

----------------------------------------------------------------------
SpecWrapper(WidgetWrapper)>>displayOn:
Receiver:
    a SpecWrapper
Instance Variables:
    container = a MotifToolBar
    eventHandlers = nil
    properties = nil
    component = a BoundedWrapper on: a Win98ToolbarButtonView
    widget = a Win98ToolbarButtonView
    widgetState = a WidgetState
    effectivelyVisible = true
    decorator = nil
    dependents = nil
    dropTarget = nil
    spec = a MenuItem 'Print it'
Arguments:
    aGraphicsContext = a ScreenGraphicsContext
Temporaries:
    lp = nil
Context PC = 26

----------------------------------------------------------------------
MotifToolBar(CompositePart)>>displayOn:
Receiver:
    a MotifToolBar
Instance Variables:
    container = a BoundedWrapper on: a MotifToolBar
    eventHandlers = nil
    properties = nil
    components = an OrderedCollection[11]
    preferredBounds = 4 @ 0 corner: 370 @ 36
    leftSpace = 4
    spaceBetweenItems = 1
    extraSpaceTop = 2
    extraSpaceBottom = 4
    extraSpaceBetweenLines = 12
    menuChannel = a Menu
    performer = a Workspace
    spaceIndices = an OrderedCollection[4]
    namedComponents = an IdentityDictionary[0]
    releaseAction = nil
Arguments:
    aGraphicsContext = a ScreenGraphicsContext
Temporaries:
    clipBox = 0 @ 0 corner: 879 @ 36
    i = 8
    component = a SpecWrapper on: a BoundedWrapper on: a
Win98ToolbarButtonView
Context PC = 30

----------------------------------------------------------------------
MotifToolBar(ToolBar)>>displayOn:
Receiver:
    a MotifToolBar
Instance Variables:
    container = a BoundedWrapper on: a MotifToolBar
    eventHandlers = nil
    properties = nil
    components = an OrderedCollection[11]
    preferredBounds = 4 @ 0 corner: 370 @ 36
    leftSpace = 4
    spaceBetweenItems = 1
    extraSpaceTop = 2
    extraSpaceBottom = 4
    extraSpaceBetweenLines = 12
    menuChannel = a Menu
    performer = a Workspace
    spaceIndices = an OrderedCollection[4]
    namedComponents = an IdentityDictionary[0]
    releaseAction = nil
Arguments:
    aGraphicsContext = a ScreenGraphicsContext
Context PC = 10

----------------------------------------------------------------------
BoundedWrapper>>displayOn:
Receiver:
    a BoundedWrapper
Instance Variables:
    container = a ReComposingComposite
    eventHandlers = nil
    properties = nil
    component = a MotifToolBar
    origin = 0 @ 28
    layout = a LayoutFrame
    extent = 750 @ 36
Arguments:
    aGraphicsContext = a ScreenGraphicsContext
Context PC = 14

----------------------------------------------------------------------
ReComposingComposite(CompositePart)>>displayOn:
Receiver:
    a ReComposingComposite
Instance Variables:
    container = an ApplicationWindow 56641513
    eventHandlers = nil
    properties = nil
    components = an OrderedCollection[3]
    preferredBounds = 0 @ 0 corner: 750 @ 466
Arguments:
    aGraphicsContext = a ScreenGraphicsContext
Temporaries:
    clipBox = 0 @ 0 corner: 879 @ 570
    i = 2
    component = a BoundedWrapper on: a MotifToolBar
Context PC = 30

----------------------------------------------------------------------
WindowDisplayPolicy>>displayDamageList:in:
Receiver:
    a WindowDisplayPolicy
Arguments:
    aDamageList = an Array[1]
    aWindow = an ApplicationWindow 56641513
Temporaries:
    windowGraphicsContext = a ScreenGraphicsContext
    windowVisual = a ReComposingComposite
    i = 2
    i = 1
Context PC = 73

----------------------------------------------------------------------
ApplicationWindow(ScheduledWindow)>>displayDamageEvent:
Receiver:
    an ApplicationWindow
Instance Variables:
    handle = a GraphicsHandle(56641513)
    width = 750
    height = 466
    background = (ColorValue brightness: 0.800024)
    inputOrigin = 781 @ 44
    creationOrigin = 781 @ 44
    sensor = an EventSensor
    iconic = false
    windowType = #normal
    effectiveWindowType = nil
    statusLineHeight = 0
    allowsStatusLine = true
    mapped = true
    eventHandlers = nil
    windowManager = a WindowManager
    label = 'Ivan Tomek''s VisualWorks Smalltalk Workspace'
    icon = an Icon
    minimumSize = 250 @ 100
    maximumSize = 0 @ 0
    component = a ReComposingComposite
    lookPreferences = nil
    paintPreferences = nil
    edgeDecorationPolicy = a MotifBorderDecorationPolicy
    widgetPolicy = a MotifWidgetPolicy
    controller = an ApplicationStandardSystemController
    model = a Workspace
    damageRepairPolicy = a WindowDisplayPolicy
    masterWindow = nil
    keyboardProcessor = a KeyboardProcessor
    application = a Workspace
    sendWindowEvents = an Array[1]
    receiveWindowEvents = nil
    windowEventBlock = nil
    activationNotification = true
    isEventDriven = nil
    toolbarVisible = true
    dropTarget = nil
    dragDropInProgress = nil
    dragDropTracker = nil
Arguments:
    aDamageList = an Array[1]
Context PC = 7

----------------------------------------------------------------------
ApplicationWindow(Window)>>displayPendingInvalidation
Receiver:
    an ApplicationWindow
Instance Variables:
    handle = a GraphicsHandle(56641513)
    width = 750
    height = 466
    background = (ColorValue brightness: 0.800024)
    inputOrigin = 781 @ 44
    creationOrigin = 781 @ 44
    sensor = an EventSensor
    iconic = false
    windowType = #normal
    effectiveWindowType = nil
    statusLineHeight = 0
    allowsStatusLine = true
    mapped = true
    eventHandlers = nil
    windowManager = a WindowManager
    label = 'Ivan Tomek''s VisualWorks Smalltalk Workspace'
    icon = an Icon
    minimumSize = 250 @ 100
    maximumSize = 0 @ 0
    component = a ReComposingComposite
    lookPreferences = nil
    paintPreferences = nil
    edgeDecorationPolicy = a MotifBorderDecorationPolicy
    widgetPolicy = a MotifWidgetPolicy
    controller = an ApplicationStandardSystemController
    model = a Workspace
    damageRepairPolicy = a WindowDisplayPolicy
    masterWindow = nil
    keyboardProcessor = a KeyboardProcessor
    application = a Workspace
    sendWindowEvents = an Array[1]
    receiveWindowEvents = nil
    windowEventBlock = nil
    activationNotification = true
    isEventDriven = nil
    toolbarVisible = true
    dropTarget = nil
    dragDropInProgress = nil
    dragDropTracker = nil
Context PC = 24

----------------------------------------------------------------------
optimized [] in VisualPart>>repairDamage
Receiver:
    an UndefinedObject
Arguments:
    value = an ApplicationWindow 56641513
Context PC = 3

----------------------------------------------------------------------
BlockClosure>>cull:
Receiver:
    a BlockClosure
Instance Variables:
    method = CompiledBlock [] in VisualPart>>repairDamage
    outerContext = nil
    copiedValues = an Array[0]
Arguments:
    anObject = an ApplicationWindow 56641513
Context PC = 15

----------------------------------------------------------------------
ApplicationWindow(Object)>>ifNotNil:
Receiver:
    an ApplicationWindow
Instance Variables:
    handle = a GraphicsHandle(56641513)
    width = 750
    height = 466
    background = (ColorValue brightness: 0.800024)
    inputOrigin = 781 @ 44
    creationOrigin = 781 @ 44
    sensor = an EventSensor
    iconic = false
    windowType = #normal
    effectiveWindowType = nil
    statusLineHeight = 0
    allowsStatusLine = true
    mapped = true
    eventHandlers = nil
    windowManager = a WindowManager
    label = 'Ivan Tomek''s VisualWorks Smalltalk Workspace'
    icon = an Icon
    minimumSize = 250 @ 100
    maximumSize = 0 @ 0
    component = a ReComposingComposite
    lookPreferences = nil
    paintPreferences = nil
    edgeDecorationPolicy = a MotifBorderDecorationPolicy
    widgetPolicy = a MotifWidgetPolicy
    controller = an ApplicationStandardSystemController
    model = a Workspace
    damageRepairPolicy = a WindowDisplayPolicy
    masterWindow = nil
    keyboardProcessor = a KeyboardProcessor
    application = a Workspace
    sendWindowEvents = an Array[1]
    receiveWindowEvents = nil
    windowEventBlock = nil
    activationNotification = true
    isEventDriven = nil
    toolbarVisible = true
    dropTarget = nil
    dragDropInProgress = nil
    dragDropTracker = nil
Arguments:
    aBlock = BlockClosure [] in VisualPart>>repairDamage
Context PC = 4

----------------------------------------------------------------------
ReComposingComposite(VisualPart)>>repairDamage
Receiver:
    a ReComposingComposite
Instance Variables:
    container = an ApplicationWindow 56641513
    eventHandlers = nil
    properties = nil
    components = an OrderedCollection[3]
    preferredBounds = 0 @ 0 corner: 750 @ 466
Context PC = 6

----------------------------------------------------------------------
optimized [] in ScheduledWindow>>extentEvent:
Receiver:
    an UndefinedObject
Arguments:
    cmp = a ReComposingComposite
Temporaries:
    .self = an ApplicationWindow 56641513
    .aPoint = 888 @ 577
Context PC = 20

----------------------------------------------------------------------
BlockClosure>>cull:
Receiver:
    a BlockClosure
Instance Variables:
    method = CompiledBlock [] in ScheduledWindow>>extentEvent:
    outerContext = nil
    copiedValues = an Array[2]
Arguments:
    anObject = a ReComposingComposite
Context PC = 15

----------------------------------------------------------------------
ReComposingComposite(Object)>>ifNotNil:
Receiver:
    a ReComposingComposite
Instance Variables:
    container = an ApplicationWindow 56641513
    eventHandlers = nil
    properties = nil
    components = an OrderedCollection[3]
    preferredBounds = 0 @ 0 corner: 750 @ 466
Arguments:
    aBlock = BlockClosure [] in ScheduledWindow>>extentEvent:
Context PC = 4

----------------------------------------------------------------------
ApplicationWindow(ScheduledWindow)>>extentEvent:
Receiver:
    an ApplicationWindow
Instance Variables:
    handle = a GraphicsHandle(56641513)
    width = 750
    height = 466
    background = (ColorValue brightness: 0.800024)
    inputOrigin = 781 @ 44
    creationOrigin = 781 @ 44
    sensor = an EventSensor
    iconic = false
    windowType = #normal
    effectiveWindowType = nil
    statusLineHeight = 0
    allowsStatusLine = true
    mapped = true
    eventHandlers = nil
    windowManager = a WindowManager
    label = 'Ivan Tomek''s VisualWorks Smalltalk Workspace'
    icon = an Icon
    minimumSize = 250 @ 100
    maximumSize = 0 @ 0
    component = a ReComposingComposite
    lookPreferences = nil
    paintPreferences = nil
    edgeDecorationPolicy = a MotifBorderDecorationPolicy
    widgetPolicy = a MotifWidgetPolicy
    controller = an ApplicationStandardSystemController
    model = a Workspace
    damageRepairPolicy = a WindowDisplayPolicy
    masterWindow = nil
    keyboardProcessor = a KeyboardProcessor
    application = a Workspace
    sendWindowEvents = an Array[1]
    receiveWindowEvents = nil
    windowEventBlock = nil
    activationNotification = true
    isEventDriven = nil
    toolbarVisible = true
    dropTarget = nil
    dragDropInProgress = nil
    dragDropTracker = nil
Arguments:
    aPoint = 888 @ 577
Context PC = 10

----------------------------------------------------------------------
ApplicationWindow(ScheduledWindow)>>resizeEvent:
Receiver:
    an ApplicationWindow
Instance Variables:
    handle = a GraphicsHandle(56641513)
    width = 750
    height = 466
    background = (ColorValue brightness: 0.800024)
    inputOrigin = 781 @ 44
    creationOrigin = 781 @ 44
    sensor = an EventSensor
    iconic = false
    windowType = #normal
    effectiveWindowType = nil
    statusLineHeight = 0
    allowsStatusLine = true
    mapped = true
    eventHandlers = nil
    windowManager = a WindowManager
    label = 'Ivan Tomek''s VisualWorks Smalltalk Workspace'
    icon = an Icon
    minimumSize = 250 @ 100
    maximumSize = 0 @ 0
    component = a ReComposingComposite
    lookPreferences = nil
    paintPreferences = nil
    edgeDecorationPolicy = a MotifBorderDecorationPolicy
    widgetPolicy = a MotifWidgetPolicy
    controller = an ApplicationStandardSystemController
    model = a Workspace
    damageRepairPolicy = a WindowDisplayPolicy
    masterWindow = nil
    keyboardProcessor = a KeyboardProcessor
    application = a Workspace
    sendWindowEvents = an Array[1]
    receiveWindowEvents = nil
    windowEventBlock = nil
    activationNotification = true
    isEventDriven = nil
    toolbarVisible = true
    dropTarget = nil
    dragDropInProgress = nil
    dragDropTracker = nil
Arguments:
    aResizeEvent = a ResizeEvent
Temporaries:
    type = #resize
Context PC = 16

----------------------------------------------------------------------
ResizeEvent>>dispatchTo:
Receiver:
    a ResizeEvent
Instance Variables:
    time = nil
    initiator = nil
    window = an ApplicationWindow 56641513
    rectangle = 4 @ 23 corner: 892 @ 600
Arguments:
    anObject = an ApplicationWindow 56641513
Context PC = 4

----------------------------------------------------------------------
ApplicationWindow(Window)>>dispatchEvent:
Receiver:
    an ApplicationWindow
Instance Variables:
    handle = a GraphicsHandle(56641513)
    width = 750
    height = 466
    background = (ColorValue brightness: 0.800024)
    inputOrigin = 781 @ 44
    creationOrigin = 781 @ 44
    sensor = an EventSensor
    iconic = false
    windowType = #normal
    effectiveWindowType = nil
    statusLineHeight = 0
    allowsStatusLine = true
    mapped = true
    eventHandlers = nil
    windowManager = a WindowManager
    label = 'Ivan Tomek''s VisualWorks Smalltalk Workspace'
    icon = an Icon
    minimumSize = 250 @ 100
    maximumSize = 0 @ 0
    component = a ReComposingComposite
    lookPreferences = nil
    paintPreferences = nil
    edgeDecorationPolicy = a MotifBorderDecorationPolicy
    widgetPolicy = a MotifWidgetPolicy
    controller = an ApplicationStandardSystemController
    model = a Workspace
    damageRepairPolicy = a WindowDisplayPolicy
    masterWindow = nil
    keyboardProcessor = a KeyboardProcessor
    application = a Workspace
    sendWindowEvents = an Array[1]
    receiveWindowEvents = nil
    windowEventBlock = nil
    activationNotification = true
    isEventDriven = nil
    toolbarVisible = true
    dropTarget = nil
    dragDropInProgress = nil
    dragDropTracker = nil
Arguments:
    anEvent = a ResizeEvent
Context PC = 4

----------------------------------------------------------------------
ResizeEvent(Event)>>dispatch
Receiver:
    a ResizeEvent
Instance Variables:
    time = nil
    initiator = nil
    window = an ApplicationWindow 56641513
    rectangle = 4 @ 23 corner: 892 @ 600
Context PC = 16

----------------------------------------------------------------------
optimized [] in [] in WindowManager>>processDamageEvents
Receiver:
    an UndefinedObject
Arguments:
    each = a ResizeEvent
Context PC = 3

----------------------------------------------------------------------
OrderedCollection>>do:
Receiver:
    an OrderedCollection
Instance Variables:
    firstIndex = 1
    lastIndex = 14
Arguments:
    aBlock = BlockClosure [] in [] in WindowManager>>processDamageEvents
Temporaries:
    index = 11
Context PC = 17

----------------------------------------------------------------------
optimized [] in WindowManager>>processDamageEvents
Receiver:
    an UndefinedObject
Temporaries:
    event = nil
    otherEvents = an OrderedCollection[21]
    exposeEvents = an OrderedCollection[14]
    .self = a WindowManager
Context PC = 38

----------------------------------------------------------------------
BlockClosure>>ensure:
Receiver:
    a BlockClosure
Instance Variables:
    method = CompiledBlock [] in WindowManager>>processDamageEvents
    outerContext = nil
    copiedValues = a WindowManager
Arguments:
    aBlock = BlockClosure [] in BlockClosure>>valueUnpreemptively
Temporaries:
    result = nil
Context PC = 4

----------------------------------------------------------------------
BlockClosure>>valueUnpreemptively
Receiver:
    a BlockClosure
Instance Variables:
    method = CompiledBlock [] in WindowManager>>processDamageEvents
    outerContext = nil
    copiedValues = a WindowManager
Temporaries:
    activeProcess = a Process in Semaphore>>wait
    oldPriority = 50
Context PC = 19

----------------------------------------------------------------------
WindowManager>>processDamageEvents
Receiver:
    a WindowManager
Instance Variables:
    windows = an OrderedCollection[1]
    activeController = nil
    interruptLock = false
    outstandingMetaOrDamage = false
    openInProgress = false
    eventQueue = an EventQueue
    baseProcess = a Process in Semaphore>>waitIfCurtailedSignal
    dontFilterEvents = false
Context PC = 7

----------------------------------------------------------------------
optimized [] in Window>>displayPendingInvalidation
Receiver:
    an UndefinedObject
Arguments:
    value = a WindowManager
Context PC = 3

----------------------------------------------------------------------
BlockClosure>>cull:
Receiver:
    a BlockClosure
Instance Variables:
    method = CompiledBlock [] in Window>>displayPendingInvalidation
    outerContext = nil
    copiedValues = an Array[0]
Arguments:
    anObject = a WindowManager
Context PC = 15

----------------------------------------------------------------------
WindowManager(Object)>>ifNotNil:
Receiver:
    a WindowManager
Instance Variables:
    windows = an OrderedCollection[1]
    activeController = nil
    interruptLock = false
    outstandingMetaOrDamage = false
    openInProgress = false
    eventQueue = an EventQueue
    baseProcess = a Process in Semaphore>>waitIfCurtailedSignal
    dontFilterEvents = false
Arguments:
    aBlock = BlockClosure [] in Window>>displayPendingInvalidation
Context PC = 4

----------------------------------------------------------------------
ApplicationWindow(Window)>>displayPendingInvalidation
Receiver:
    an ApplicationWindow
Instance Variables:
    handle = a GraphicsHandle(56641513)
    width = 750
    height = 466
    background = (ColorValue brightness: 0.800024)
    inputOrigin = 781 @ 44
    creationOrigin = 781 @ 44
    sensor = an EventSensor
    iconic = false
    windowType = #normal
    effectiveWindowType = nil
    statusLineHeight = 0
    allowsStatusLine = true
    mapped = true
    eventHandlers = nil
    windowManager = a WindowManager
    label = 'Ivan Tomek''s VisualWorks Smalltalk Workspace'
    icon = an Icon
    minimumSize = 250 @ 100
    maximumSize = 0 @ 0
    component = a ReComposingComposite
    lookPreferences = nil
    paintPreferences = nil
    edgeDecorationPolicy = a MotifBorderDecorationPolicy
    widgetPolicy = a MotifWidgetPolicy
    controller = an ApplicationStandardSystemController
    model = a Workspace
    damageRepairPolicy = a WindowDisplayPolicy
    masterWindow = nil
    keyboardProcessor = a KeyboardProcessor
    application = a Workspace
    sendWindowEvents = an Array[1]
    receiveWindowEvents = nil
    windowEventBlock = nil
    activationNotification = true
    isEventDriven = nil
    toolbarVisible = true
    dropTarget = nil
    dragDropInProgress = nil
    dragDropTracker = nil
Context PC = 6

----------------------------------------------------------------------
optimized [] in VisualPart>>repairDamage
Receiver:
    an UndefinedObject
Arguments:
    value = an ApplicationWindow 56641513
Context PC = 3

----------------------------------------------------------------------
BlockClosure>>cull:
Receiver:
    a BlockClosure
Instance Variables:
    method = CompiledBlock [] in VisualPart>>repairDamage
    outerContext = nil
    copiedValues = an Array[0]
Arguments:
    anObject = an ApplicationWindow 56641513
Context PC = 15

----------------------------------------------------------------------
ApplicationWindow(Object)>>ifNotNil:
Receiver:
    an ApplicationWindow
Instance Variables:
    handle = a GraphicsHandle(56641513)
    width = 750
    height = 466
    background = (ColorValue brightness: 0.800024)
    inputOrigin = 781 @ 44
    creationOrigin = 781 @ 44
    sensor = an EventSensor
    iconic = false
    windowType = #normal
    effectiveWindowType = nil
    statusLineHeight = 0
    allowsStatusLine = true
    mapped = true
    eventHandlers = nil
    windowManager = a WindowManager
    label = 'Ivan Tomek''s VisualWorks Smalltalk Workspace'
    icon = an Icon
    minimumSize = 250 @ 100
    maximumSize = 0 @ 0
    component = a ReComposingComposite
    lookPreferences = nil
    paintPreferences = nil
    edgeDecorationPolicy = a MotifBorderDecorationPolicy
    widgetPolicy = a MotifWidgetPolicy
    controller = an ApplicationStandardSystemController
    model = a Workspace
    damageRepairPolicy = a WindowDisplayPolicy
    masterWindow = nil
    keyboardProcessor = a KeyboardProcessor
    application = a Workspace
    sendWindowEvents = an Array[1]
    receiveWindowEvents = nil
    windowEventBlock = nil
    activationNotification = true
    isEventDriven = nil
    toolbarVisible = true
    dropTarget = nil
    dragDropInProgress = nil
    dragDropTracker = nil
Arguments:
    aBlock = BlockClosure [] in VisualPart>>repairDamage
Context PC = 4

----------------------------------------------------------------------
ReComposingComposite(VisualPart)>>repairDamage
Receiver:
    a ReComposingComposite
Instance Variables:
    container = an ApplicationWindow 56641513
    eventHandlers = nil
    properties = nil
    components = an OrderedCollection[3]
    preferredBounds = 0 @ 0 corner: 750 @ 466
Context PC = 6

----------------------------------------------------------------------
optimized [] in ScheduledWindow>>extentEvent:
Receiver:
    an UndefinedObject
Arguments:
    cmp = a ReComposingComposite
Temporaries:
    .self = an ApplicationWindow 56641513
    .aPoint = 772 @ 509
Context PC = 20

----------------------------------------------------------------------
BlockClosure>>cull:
Receiver:
    a BlockClosure
Instance Variables:
    method = CompiledBlock [] in ScheduledWindow>>extentEvent:
    outerContext = nil
    copiedValues = an Array[2]
Arguments:
    anObject = a ReComposingComposite
Context PC = 15

----------------------------------------------------------------------
ReComposingComposite(Object)>>ifNotNil:
Receiver:
    a ReComposingComposite
Instance Variables:
    container = an ApplicationWindow 56641513
    eventHandlers = nil
    properties = nil
    components = an OrderedCollection[3]
    preferredBounds = 0 @ 0 corner: 750 @ 466
Arguments:
    aBlock = BlockClosure [] in ScheduledWindow>>extentEvent:
Context PC = 4

----------------------------------------------------------------------
ApplicationWindow(ScheduledWindow)>>extentEvent:
Receiver:
    an ApplicationWindow
Instance Variables:
    handle = a GraphicsHandle(56641513)
    width = 750
    height = 466
    background = (ColorValue brightness: 0.800024)
    inputOrigin = 781 @ 44
    creationOrigin = 781 @ 44
    sensor = an EventSensor
    iconic = false
    windowType = #normal
    effectiveWindowType = nil
    statusLineHeight = 0
    allowsStatusLine = true
    mapped = true
    eventHandlers = nil
    windowManager = a WindowManager
    label = 'Ivan Tomek''s VisualWorks Smalltalk Workspace'
    icon = an Icon
    minimumSize = 250 @ 100
    maximumSize = 0 @ 0
    component = a ReComposingComposite
    lookPreferences = nil
    paintPreferences = nil
    edgeDecorationPolicy = a MotifBorderDecorationPolicy
    widgetPolicy = a MotifWidgetPolicy
    controller = an ApplicationStandardSystemController
    model = a Workspace
    damageRepairPolicy = a WindowDisplayPolicy
    masterWindow = nil
    keyboardProcessor = a KeyboardProcessor
    application = a Workspace
    sendWindowEvents = an Array[1]
    receiveWindowEvents = nil
    windowEventBlock = nil
    activationNotification = true
    isEventDriven = nil
    toolbarVisible = true
    dropTarget = nil
    dragDropInProgress = nil
    dragDropTracker = nil
Arguments:
    aPoint = 772 @ 509
Context PC = 10

----------------------------------------------------------------------
ApplicationWindow(ScheduledWindow)>>resizeEvent:
Receiver:
    an ApplicationWindow
Instance Variables:
    handle = a GraphicsHandle(56641513)
    width = 750
    height = 466
    background = (ColorValue brightness: 0.800024)
    inputOrigin = 781 @ 44
    creationOrigin = 781 @ 44
    sensor = an EventSensor
    iconic = false
    windowType = #normal
    effectiveWindowType = nil
    statusLineHeight = 0
    allowsStatusLine = true
    mapped = true
    eventHandlers = nil
    windowManager = a WindowManager
    label = 'Ivan Tomek''s VisualWorks Smalltalk Workspace'
    icon = an Icon
    minimumSize = 250 @ 100
    maximumSize = 0 @ 0
    component = a ReComposingComposite
    lookPreferences = nil
    paintPreferences = nil
    edgeDecorationPolicy = a MotifBorderDecorationPolicy
    widgetPolicy = a MotifWidgetPolicy
    controller = an ApplicationStandardSystemController
    model = a Workspace
    damageRepairPolicy = a WindowDisplayPolicy
    masterWindow = nil
    keyboardProcessor = a KeyboardProcessor
    application = a Workspace
    sendWindowEvents = an Array[1]
    receiveWindowEvents = nil
    windowEventBlock = nil
    activationNotification = true
    isEventDriven = nil
    toolbarVisible = true
    dropTarget = nil
    dragDropInProgress = nil
    dragDropTracker = nil
Arguments:
    aResizeEvent = a ResizeEvent
Temporaries:
    type = #resize
Context PC = 16

----------------------------------------------------------------------
ResizeEvent>>dispatchTo:
Receiver:
    a ResizeEvent
Instance Variables:
    time = nil
    initiator = nil
    window = an ApplicationWindow 56641513
    rectangle = 4 @ 23 corner: 776 @ 532
Arguments:
    anObject = an ApplicationWindow 56641513
Context PC = 4

----------------------------------------------------------------------
ApplicationWindow(Window)>>dispatchEvent:
Receiver:
    an ApplicationWindow
Instance Variables:
    handle = a GraphicsHandle(56641513)
    width = 750
    height = 466
    background = (ColorValue brightness: 0.800024)
    inputOrigin = 781 @ 44
    creationOrigin = 781 @ 44
    sensor = an EventSensor
    iconic = false
    windowType = #normal
    effectiveWindowType = nil
    statusLineHeight = 0
    allowsStatusLine = true
    mapped = true
    eventHandlers = nil
    windowManager = a WindowManager
    label = 'Ivan Tomek''s VisualWorks Smalltalk Workspace'
    icon = an Icon
    minimumSize = 250 @ 100
    maximumSize = 0 @ 0
    component = a ReComposingComposite
    lookPreferences = nil
    paintPreferences = nil
    edgeDecorationPolicy = a MotifBorderDecorationPolicy
    widgetPolicy = a MotifWidgetPolicy
    controller = an ApplicationStandardSystemController
    model = a Workspace
    damageRepairPolicy = a WindowDisplayPolicy
    masterWindow = nil
    keyboardProcessor = a KeyboardProcessor
    application = a Workspace
    sendWindowEvents = an Array[1]
    receiveWindowEvents = nil
    windowEventBlock = nil
    activationNotification = true
    isEventDriven = nil
    toolbarVisible = true
    dropTarget = nil
    dragDropInProgress = nil
    dragDropTracker = nil
Arguments:
    anEvent = a ResizeEvent
Context PC = 4

----------------------------------------------------------------------
ResizeEvent(Event)>>dispatch
Receiver:
    a ResizeEvent
Instance Variables:
    time = nil
    initiator = nil
    window = an ApplicationWindow 56641513
    rectangle = 4 @ 23 corner: 776 @ 532
Context PC = 16

----------------------------------------------------------------------
WindowManager>>resizeEvent:
Receiver:
    a WindowManager
Instance Variables:
    windows = an OrderedCollection[1]
    activeController = nil
    interruptLock = false
    outstandingMetaOrDamage = false
    openInProgress = false
    eventQueue = an EventQueue
    baseProcess = a Process in Semaphore>>waitIfCurtailedSignal
    dontFilterEvents = false
Arguments:
    anEvent = a ResizeEvent
Temporaries:
    eventClassDicionary = a Dictionary[1]
    resizeEvent = a ResizeEvent
    window = an ApplicationWindow 56641513
    boundsEvent = a BoundsEvent
    exposeEvent = an ExposeEvent
Context PC = 63

----------------------------------------------------------------------
ResizeEvent>>dispatchTo:
Receiver:
    a ResizeEvent
Instance Variables:
    time = nil
    initiator = nil
    window = an ApplicationWindow 56641513
    rectangle = 4 @ 23 corner: 773 @ 531
Arguments:
    anObject = a WindowManager
Context PC = 4

----------------------------------------------------------------------
ResizeEvent>>dispatchForWindowManager:
Receiver:
    a ResizeEvent
Instance Variables:
    time = nil
    initiator = nil
    window = an ApplicationWindow 56641513
    rectangle = 4 @ 23 corner: 773 @ 531
Arguments:
    aWinMgr = a WindowManager
Context PC = 5

----------------------------------------------------------------------
optimized [] in WindowManager>>safelyDispatchForWindowManager:
Receiver:
    an UndefinedObject
Temporaries:
    .event = a ResizeEvent
    .self = a WindowManager
Context PC = 6

----------------------------------------------------------------------
BlockClosure>>on:do:
Receiver:
    a BlockClosure
Instance Variables:
    method = CompiledBlock [] in
WindowManager>>safelyDispatchForWindowManager:
    outerContext = nil
    copiedValues = an Array[2]
Arguments:
    anExceptionSelector = BadControllerError
    handlerBlock = BlockClosure [] in
WindowManager>>safelyDispatchForWindowManager:
Context PC = 18

----------------------------------------------------------------------
WindowManager>>safelyDispatchForWindowManager:
Receiver:
    a WindowManager
Instance Variables:
    windows = an OrderedCollection[1]
    activeController = nil
    interruptLock = false
    outstandingMetaOrDamage = false
    openInProgress = false
    eventQueue = an EventQueue
    baseProcess = a Process in Semaphore>>waitIfCurtailedSignal
    dontFilterEvents = false
Arguments:
    event = a ResizeEvent
Context PC = 13

----------------------------------------------------------------------
WindowManager>>processNextEvent
Receiver:
    a WindowManager
Instance Variables:
    windows = an OrderedCollection[1]
    activeController = nil
    interruptLock = false
    outstandingMetaOrDamage = false
    openInProgress = false
    eventQueue = an EventQueue
    baseProcess = a Process in Semaphore>>waitIfCurtailedSignal
    dontFilterEvents = false
Temporaries:
    event = a ResizeEvent
Context PC = 9

----------------------------------------------------------------------
optimized [] in [] in WindowManager>>newProcess
Receiver:
    an UndefinedObject
Temporaries:
    .self = a WindowManager
Context PC = 13

----------------------------------------------------------------------
BlockClosure>>on:do:
Receiver:
    a BlockClosure
Instance Variables:
    method = CompiledBlock [] in [] in WindowManager>>newProcess
    outerContext = nil
    copiedValues = a WindowManager
Arguments:
    anExceptionSelector = TerminateException
    handlerBlock = BlockClosure [] in [] in WindowManager>>newProcess
Context PC = 18

----------------------------------------------------------------------
optimized [] in WindowManager>>newProcess
Receiver:
    an UndefinedObject
Temporaries:
    .self = a WindowManager
Context PC = 15

----------------------------------------------------------------------
BlockClosure>>on:do:
Receiver:
    a BlockClosure
Instance Variables:
    method = CompiledBlock [] in WindowManager>>newProcess
    outerContext = nil
    copiedValues = a WindowManager
Arguments:
    anExceptionSelector = TerminateException
    handlerBlock = BlockClosure [] in [] in Process
class>>forBlock:priority:
Context PC = 18

----------------------------------------------------------------------
optimized [] in Process class>>forBlock:priority:
Receiver:
    an UndefinedObject
Temporaries:
    .aBlock = BlockClosure [] in WindowManager>>newProcess
Context PC = 9

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That sounds like the problem fixed in 7.7.1 by AR 60510 - AlphaCompositedImage must deal with changed medium bounds during rasterization. So hopefully it's fixed in the next version. If you can still see it in 7.7.1, then it's presumably something else.

At 07:12 AM 2010-09-03, C. David Shaffer wrote:

 Under VW7.7 I frequently get the walkback below when resizing a
window.  As a precursor to the walkback, the resizing of the contents of
the window lags the resizing of the window.  I'm working under Gentoo
Linux with the xfwm4 window manager in case it makes any difference.  No
big deal but thought cincom might want to know.

David

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