The preference is made automatically.
In ReleaseBuilder class setPreference
  Preference enable: #swapMouseButtons

The preference is made if it is not in the image already.

I think the #swapMouseButtonChanged is also made automatically and derived
from the preference name if not set specifically.

Best,
Karl

On Wed, Mar 2, 2016 at 1:35 AM, David T. Lewis <lewis at mail.msen.com> wrote:

> It looks like the preference has changed. For the #swapMouseButtons
> preference,
> the changeSelector was #installMouseDecodeTable, but now the selector is
> #swapMouseButtonsChanged.
>
> If I inspect the preference and change its changeSelector back to the
> original
> #installMouseDecodeTable, the preference works again.
>
> I cannot find where the preference gets initialized, and I do not know why
> it
> changed, but this does seem to be the cause of the problem.
>
> Dave
>
>
>
>
> On Tue, Mar 01, 2016 at 04:45:44PM -0600, Chris Muller wrote:
> > EventSensor class(Object)>>doesNotUnderstand: #swapMouseButtonsChanged
> > Receiver: EventSensor
> > Arguments and temporary variables:
> > aMessage: swapMouseButtonsChanged
> > exception: MessageNotUnderstood: EventSensor
> class>>swapMouseButtonsChanged
> > resumeValue: nil
> > Receiver's instance variables:
> > superclass: Object
> > methodDict: a
> MethodDictionary(#anyButtonPressed->(EventSensor>>#anyButtonPress...etc...
> > format: 65545
> > instanceVariables: #('mouseButtons' 'mousePosition' 'keyboardBuffer'
> > 'interrupt...etc...
> > organization: ('accessing' eventQueue eventQueue: eventTicklerProcess
> > flushAllB...etc...
> > subclasses: nil
> > name: #EventSensor
> > classPool: a Dictionary(#ButtonDecodeTable->#[0 2 1 3 4 6 5 7 8 10 9
> > 11 12 14 1...etc...
> > sharedPools: an OrderedCollection(EventSensorConstants)
> > environment: Smalltalk
> > category: #'Kernel-Processes'
> >
> > Preference>>notifyInformeeOfChange
> > Receiver: a Preference#swapMouseButtons false
> > Arguments and temporary variables:
> >
> > Receiver's instance variables:
> > name: #swapMouseButtons
> > value: false
> > defaultValue: false
> > helpString: 'if true, swaps mouse buttons 2 and 3'
> > localToProject: false
> > categoryList: #(#general)
> > changeInformee: EventSensor
> > changeSelector: #swapMouseButtonsChanged
> > type: #Boolean
> >
> > Preference>>togglePreferenceValue
> > Receiver: a Preference#swapMouseButtons false
> > Arguments and temporary variables:
> >
> > Receiver's instance variables:
> > name: #swapMouseButtons
> > value: false
> > defaultValue: false
> > helpString: 'if true, swaps mouse buttons 2 and 3'
> > localToProject: false
> > categoryList: #(#general)
> > changeInformee: EventSensor
> > changeSelector: #swapMouseButtonsChanged
> > type: #Boolean
> >
> > [] in
> UpdatingThreePhaseButtonMorph(ThreePhaseButtonMorph)>>doButtonAction:
> > Receiver: 3PButton(#togglePreferenceValue 2512237)
> > Arguments and temporary variables:
> > evt: [367 at 82 mouseUp 99776]
> > moreArgs: #()
> > Receiver's instance variables:
> > bounds: 358 at 75 corner: 372 at 87
> > owner: a BorderedMorph(1400912)
> > submorphs: #()
> > fullBounds: 358 at 75 corner: 372 at 87
> > color: Color blue
> > extension: nil
> > image: ColorForm(12x12x1)
> > offImage: ColorForm(12x12x1)
> > pressedImage: ColorForm(12x12x1)
> > state: #off
> > target: a Preference#swapMouseButtons false
> > actionSelector: #togglePreferenceValue
> > arguments: #()
> > actWhen: #buttonUp
> > getSelector: #preferenceValue
> > getArgument: nil
> >
> > BlockClosure>>ensure:
> > Receiver: [closure] in
> > UpdatingThreePhaseButtonMorph(ThreePhaseButtonMorph)>>doButtonAction:
> > Arguments and temporary variables:
> > aBlock: [closure] in CursorWithMask(Cursor)>>showWhile:
> > complete: nil
> > returnValue: nil
> > Receiver's instance variables:
> > outerContext:
> UpdatingThreePhaseButtonMorph(ThreePhaseButtonMorph)>>doButtonAct...etc...
> > startpc: 62
> > numArgs: 0
> >
> > CursorWithMask(Cursor)>>showWhile:
> > Receiver: ((CursorWithMask
> > extent: 16 at 16
> > depth: 1
> > fromArray: #(
> > 2r0
> > 2r10000000000000000000000...etc...
> > Arguments and temporary variables:
> > aBlock: [closure] in
> > UpdatingThreePhaseButtonMorph(ThreePhaseButtonMorph)>>doBu...etc...
> > oldcursor: ((CursorWithMask
> > extent: 16 at 16
> > depth: 1
> > fromArray: #(
> > 2r0
> > 2r1...etc...
> > Receiver's instance variables:
> > bits: a Bitmap of length 16
> > width: 16
> > height: 16
> > depth: 1
> > offset: -1@ -1
> > maskForm: Form(16x16x1)
> >
> > UpdatingThreePhaseButtonMorph(ThreePhaseButtonMorph)>>doButtonAction:
> > Receiver: 3PButton(#togglePreferenceValue 2512237)
> > Arguments and temporary variables:
> > evt: [367 at 82 mouseUp 99776]
> > Receiver's instance variables:
> > bounds: 358 at 75 corner: 372 at 87
> > owner: a BorderedMorph(1400912)
> > submorphs: #()
> > fullBounds: 358 at 75 corner: 372 at 87
> > color: Color blue
> > extension: nil
> > image: ColorForm(12x12x1)
> > offImage: ColorForm(12x12x1)
> > pressedImage: ColorForm(12x12x1)
> > state: #off
> > target: a Preference#swapMouseButtons false
> > actionSelector: #togglePreferenceValue
> > arguments: #()
> > actWhen: #buttonUp
> > getSelector: #preferenceValue
> > getArgument: nil
> >
> > UpdatingThreePhaseButtonMorph(ThreePhaseButtonMorph)>>mouseUp:
> > Receiver: 3PButton(#togglePreferenceValue 2512237)
> > Arguments and temporary variables:
> > evt: [367 at 82 mouseUp 99776]
> > Receiver's instance variables:
> > bounds: 358 at 75 corner: 372 at 87
> > owner: a BorderedMorph(1400912)
> > submorphs: #()
> > fullBounds: 358 at 75 corner: 372 at 87
> > color: Color blue
> > extension: nil
> > image: ColorForm(12x12x1)
> > offImage: ColorForm(12x12x1)
> > pressedImage: ColorForm(12x12x1)
> > state: #off
> > target: a Preference#swapMouseButtons false
> > actionSelector: #togglePreferenceValue
> > arguments: #()
> > actWhen: #buttonUp
> > getSelector: #preferenceValue
> > getArgument: nil
> >
> > UpdatingThreePhaseButtonMorph>>mouseUp:
> > Receiver: 3PButton(#togglePreferenceValue 2512237)
> > Arguments and temporary variables:
> > evt: [367 at 82 mouseUp 99776]
> > Receiver's instance variables:
> > bounds: 358 at 75 corner: 372 at 87
> > owner: a BorderedMorph(1400912)
> > submorphs: #()
> > fullBounds: 358 at 75 corner: 372 at 87
> > color: Color blue
> > extension: nil
> > image: ColorForm(12x12x1)
> > offImage: ColorForm(12x12x1)
> > pressedImage: ColorForm(12x12x1)
> > state: #off
> > target: a Preference#swapMouseButtons false
> > actionSelector: #togglePreferenceValue
> > arguments: #()
> > actWhen: #buttonUp
> > getSelector: #preferenceValue
> > getArgument: nil
> >
> > UpdatingThreePhaseButtonMorph(Morph)>>handleMouseUp:
> > Receiver: 3PButton(#togglePreferenceValue 2512237)
> > Arguments and temporary variables:
> > anEvent: [367 at 82 mouseUp 99776]
> > Receiver's instance variables:
> > bounds: 358 at 75 corner: 372 at 87
> > owner: a BorderedMorph(1400912)
> > submorphs: #()
> > fullBounds: 358 at 75 corner: 372 at 87
> > color: Color blue
> > extension: nil
> > image: ColorForm(12x12x1)
> > offImage: ColorForm(12x12x1)
> > pressedImage: ColorForm(12x12x1)
> > state: #off
> > target: a Preference#swapMouseButtons false
> > actionSelector: #togglePreferenceValue
> > arguments: #()
> > actWhen: #buttonUp
> > getSelector: #preferenceValue
> > getArgument: nil
> >
> > MouseButtonEvent>>sentTo:
> > Receiver: [367 at 82 mouseUp 99776]
> > Arguments and temporary variables:
> > anObject: 3PButton(#togglePreferenceValue 2512237)
> > Receiver's instance variables:
> > timeStamp: 99776
> > source: a HandMorph(3089952)
> > type: #mouseUp
> > buttons: 0
> > position: 367 at 82
> > handler: nil
> > wasHandled: true
> > whichButton: 4
> >
> > UpdatingThreePhaseButtonMorph(Morph)>>handleEvent:
> > Receiver: 3PButton(#togglePreferenceValue 2512237)
> > Arguments and temporary variables:
> > anEvent: [367 at 82 mouseUp 99776]
> > Receiver's instance variables:
> > bounds: 358 at 75 corner: 372 at 87
> > owner: a BorderedMorph(1400912)
> > submorphs: #()
> > fullBounds: 358 at 75 corner: 372 at 87
> > color: Color blue
> > extension: nil
> > image: ColorForm(12x12x1)
> > offImage: ColorForm(12x12x1)
> > pressedImage: ColorForm(12x12x1)
> > state: #off
> > target: a Preference#swapMouseButtons false
> > actionSelector: #togglePreferenceValue
> > arguments: #()
> > actWhen: #buttonUp
> > getSelector: #preferenceValue
> > getArgument: nil
> >
> > UpdatingThreePhaseButtonMorph(Morph)>>handleFocusEvent:
> > Receiver: 3PButton(#togglePreferenceValue 2512237)
> > Arguments and temporary variables:
> > anEvent: [367 at 82 mouseUp 99776]
> > Receiver's instance variables:
> > bounds: 358 at 75 corner: 372 at 87
> > owner: a BorderedMorph(1400912)
> > submorphs: #()
> > fullBounds: 358 at 75 corner: 372 at 87
> > color: Color blue
> > extension: nil
> > image: ColorForm(12x12x1)
> > offImage: ColorForm(12x12x1)
> > pressedImage: ColorForm(12x12x1)
> > state: #off
> > target: a Preference#swapMouseButtons false
> > actionSelector: #togglePreferenceValue
> > arguments: #()
> > actWhen: #buttonUp
> > getSelector: #preferenceValue
> > getArgument: nil
> >
> > [] in HandMorph>>sendFocusEvent:to:clear:
> > Receiver: a HandMorph(3089952)
> > Arguments and temporary variables:
> > <<error during printing>
> > Receiver's instance variables:
> > bounds: 263 at 150 corner: 279 at 166
> > owner: a PasteUpMorph(2434915) [world]
> > submorphs: #()
> > fullBounds: 263 at 150 corner: 279 at 166
> > color: Color blue
> > extension: a MorphExtension (2063753) [eventHandler = an EventHandler]
> > mouseFocus: nil
> > keyboardFocus: a TextMorphForEditView(3602329)
> > eventListeners: nil
> > mouseListeners: nil
> > keyboardListeners: a WeakArray(a DockingBarMorph(968081) a
> > PluggableSystemWindo...etc...
> > mouseClickState: nil
> > mouseOverHandler: a MouseOverHandler
> > lastMouseEvent: [262 at 150 263 at 150 mouseMove 174509]
> > targetOffset: 158 at 90
> > damageRecorder: a DamageRecorder
> > cacheCanvas: nil
> > cachedCanvasHasHoles: false
> > temporaryCursor: nil
> > temporaryCursorOffset: nil
> > hardwareCursor: nil
> > hasChanged: true
> > savedPatch: nil
> > userInitials: ''
> > lastEventBuffer: #(1 174509 263 150 0 0 0 1)
> > genieGestureProcessor: nil
> > keyboardInterpreter: an UTF32InputInterpreter
> >
> > BlockClosure>>on:do:
> > Receiver: [closure] in HandMorph>>sendFocusEvent:to:clear:
> > Arguments and temporary variables:
> > exception: Error
> > handlerAction: [closure] in PasteUpMorph>>becomeActiveDuring:
> > handlerActive: false
> > Receiver's instance variables:
> > outerContext: HandMorph>>sendFocusEvent:to:clear:
> > startpc: 67
> > numArgs: 0
> >
> > PasteUpMorph>>becomeActiveDuring:
> > Receiver: a PasteUpMorph(2434915) [world]
> > Arguments and temporary variables:
> > aBlock: [closure] in HandMorph>>sendFocusEvent:to:clear:
> > priorWorld: a PasteUpMorph(2434915) [world]
> > priorHand: a HandMorph(3089952)
> > priorEvent: [637 at 211 mouseOver red nil]
> > Receiver's instance variables:
> > bounds: 0 at 0 corner: 801 at 600
> > owner: nil
> > submorphs: {a PluggableSystemWindow<MessageNotUnderstood: EventSensor
> > class>>sw...etc...
> > fullBounds: 0 at 0 corner: 801 at 600
> > color: Color darkGray
> > extension: a MorphExtension (3317156) [eventHandler = an EventHandler]
> >  [other:...etc...
> > borderWidth: 0
> > borderColor: (Color r: 0.515 g: 0.181 b: 0.263)
> > presenter: an EtoysPresenter (764729)
> > model: a MorphicModel(1457048)
> > cursor: 1
> > padding: 3
> > backgroundMorph: nil
> > turtleTrailsForm: nil
> > turtlePen: nil
> > lastTurtlePositions: nil
> > isPartsBin: nil
> > indicateCursor: nil
> > wantsMouseOverHalos: nil
> > worldState: a WorldState
> > griddingOn: nil
> >
> > HandMorph>>sendFocusEvent:to:clear:
> > Receiver: a HandMorph(3089952)
> > Arguments and temporary variables:
> > anEvent: [637 at 211 mouseUp 99776]
> > focusHolder: 3PButton(#togglePreferenceValue 2512237)
> > aBlock: [closure] in HandMorph>>sendMouseEvent:
> > w: a PasteUpMorph(2434915) [world]
> > result: #(nil)
> > Receiver's instance variables:
> > bounds: 263 at 150 corner: 279 at 166
> > owner: a PasteUpMorph(2434915) [world]
> > submorphs: #()
> > fullBounds: 263 at 150 corner: 279 at 166
> > color: Color blue
> > extension: a MorphExtension (2063753) [eventHandler = an EventHandler]
> > mouseFocus: nil
> > keyboardFocus: a TextMorphForEditView(3602329)
> > eventListeners: nil
> > mouseListeners: nil
> > keyboardListeners: a WeakArray(a DockingBarMorph(968081) a
> > PluggableSystemWindo...etc...
> > mouseClickState: nil
> > mouseOverHandler: a MouseOverHandler
> > lastMouseEvent: [262 at 150 263 at 150 mouseMove 174509]
> > targetOffset: 158 at 90
> > damageRecorder: a DamageRecorder
> > cacheCanvas: nil
> > cachedCanvasHasHoles: false
> > temporaryCursor: nil
> > temporaryCursorOffset: nil
> > hardwareCursor: nil
> > hasChanged: true
> > savedPatch: nil
> > userInitials: ''
> > lastEventBuffer: #(1 174509 263 150 0 0 0 1)
> > genieGestureProcessor: nil
> > keyboardInterpreter: an UTF32InputInterpreter
> >
> > HandMorph>>sendEvent:focus:clear:
> > Receiver: a HandMorph(3089952)
> > Arguments and temporary variables:
> > anEvent: [637 at 211 mouseUp 99776]
> > focusHolder: 3PButton(#togglePreferenceValue 2512237)
> > aBlock: [closure] in HandMorph>>sendMouseEvent:
> > result: nil
> > Receiver's instance variables:
> > bounds: 263 at 150 corner: 279 at 166
> > owner: a PasteUpMorph(2434915) [world]
> > submorphs: #()
> > fullBounds: 263 at 150 corner: 279 at 166
> > color: Color blue
> > extension: a MorphExtension (2063753) [eventHandler = an EventHandler]
> > mouseFocus: nil
> > keyboardFocus: a TextMorphForEditView(3602329)
> > eventListeners: nil
> > mouseListeners: nil
> > keyboardListeners: a WeakArray(a DockingBarMorph(968081) a
> > PluggableSystemWindo...etc...
> > mouseClickState: nil
> > mouseOverHandler: a MouseOverHandler
> > lastMouseEvent: [262 at 150 263 at 150 mouseMove 174509]
> > targetOffset: 158 at 90
> > damageRecorder: a DamageRecorder
> > cacheCanvas: nil
> > cachedCanvasHasHoles: false
> > temporaryCursor: nil
> > temporaryCursorOffset: nil
> > hardwareCursor: nil
> > hasChanged: true
> > savedPatch: nil
> > userInitials: ''
> > lastEventBuffer: #(1 174509 263 150 0 0 0 1)
> > genieGestureProcessor: nil
> > keyboardInterpreter: an UTF32InputInterpreter
> >
> > HandMorph>>sendMouseEvent:
> > Receiver: a HandMorph(3089952)
> > Arguments and temporary variables:
> > anEvent: [637 at 211 mouseUp 99776]
> > Receiver's instance variables:
> > bounds: 263 at 150 corner: 279 at 166
> > owner: a PasteUpMorph(2434915) [world]
> > submorphs: #()
> > fullBounds: 263 at 150 corner: 279 at 166
> > color: Color blue
> > extension: a MorphExtension (2063753) [eventHandler = an EventHandler]
> > mouseFocus: nil
> > keyboardFocus: a TextMorphForEditView(3602329)
> > eventListeners: nil
> > mouseListeners: nil
> > keyboardListeners: a WeakArray(a DockingBarMorph(968081) a
> > PluggableSystemWindo...etc...
> > mouseClickState: nil
> > mouseOverHandler: a MouseOverHandler
> > lastMouseEvent: [262 at 150 263 at 150 mouseMove 174509]
> > targetOffset: 158 at 90
> > damageRecorder: a DamageRecorder
> > cacheCanvas: nil
> > cachedCanvasHasHoles: false
> > temporaryCursor: nil
> > temporaryCursorOffset: nil
> > hardwareCursor: nil
> > hasChanged: true
> > savedPatch: nil
> > userInitials: ''
> > lastEventBuffer: #(1 174509 263 150 0 0 0 1)
> > genieGestureProcessor: nil
> > keyboardInterpreter: an UTF32InputInterpreter
> >
> >
> > --- The full stack ---
> > EventSensor class(Object)>>doesNotUnderstand: #swapMouseButtonsChanged
> > Preference>>notifyInformeeOfChange
> > Preference>>togglePreferenceValue
> > [] in
> UpdatingThreePhaseButtonMorph(ThreePhaseButtonMorph)>>doButtonAction:
> > BlockClosure>>ensure:
> > CursorWithMask(Cursor)>>showWhile:
> > UpdatingThreePhaseButtonMorph(ThreePhaseButtonMorph)>>doButtonAction:
> > UpdatingThreePhaseButtonMorph(ThreePhaseButtonMorph)>>mouseUp:
> > UpdatingThreePhaseButtonMorph>>mouseUp:
> > UpdatingThreePhaseButtonMorph(Morph)>>handleMouseUp:
> > MouseButtonEvent>>sentTo:
> > UpdatingThreePhaseButtonMorph(Morph)>>handleEvent:
> > UpdatingThreePhaseButtonMorph(Morph)>>handleFocusEvent:
> > [] in HandMorph>>sendFocusEvent:to:clear:
> > BlockClosure>>on:do:
> > PasteUpMorph>>becomeActiveDuring:
> > HandMorph>>sendFocusEvent:to:clear:
> > HandMorph>>sendEvent:focus:clear:
> > HandMorph>>sendMouseEvent:
> >  - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
> > HandMorph>>handleEvent:
> > HandMorph>>processEvents
> > [] in WorldState>>doOneCycleNowFor:
> > Array(SequenceableCollection)>>do:
> > WorldState>>handsDo:
> > WorldState>>doOneCycleNowFor:
> > WorldState>>doOneCycleFor:
> > PasteUpMorph>>doOneCycle
> > [] in MorphicProject>>spawnNewProcess
> > [] in BlockClosure>>newProcess
>
>
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