Block Exchanger.cs

'From MIT Squeak 0.9.4 (June 1, 2003) [No updates present.] on 11 July 2015 at 3:35:27 pm'!
StringMorph subclass: #MenuItemMorph
	instanceVariableNames: 'isInTransition isEnabled subMenu isSelected target selector arguments icon '
	classVariableNames: 'SubMenuMarker '
	poolDictionaries: ''
	category: 'Morphic-Menus'!
Object subclass: #PopUpMenu
	instanceVariableNames: 'labelString font lineArray frame form marker selection '
	classVariableNames: 'MenuStyle '
	poolDictionaries: ''
	category: 'Tools-Menus'!
SelectionMenu subclass: #CustomMenu
	instanceVariableNames: 'title labels dividers lastDivider isHorizontal icons includesUTF8 '
	classVariableNames: ''
	poolDictionaries: ''
	category: 'Tools-Menus'!

!CommandBlockMorph methodsFor: 'menus'!
addBlockTransformItemsToMenu: t1 
	| t2 t3 t4 t5 |
	t2 _ Dictionary new.
	t3 _ #((#forward: (('change x by ()' #changeXposBy:) ('change y by ()' #changeYposBy:))) (#moveSteps:direction: (('move () steps towards [ v]' #moveSteps:towardsSprite:))) (#moveSteps:towardsSprite: (('move () steps direction ( v)' #moveSteps:direction:))) (#turnRight: (('turn <-- () degrees' #turnLeft:))) (#turnLeft: (('turn --> () degrees' #turnRight:))) (#heading: (('point towards [ v]' #pointTowards:))) (#pointTowards: (('point in direction ( v)' #heading:))) (#heading (('x position' #xpos) ('y position' #ypos))) (#gotoX:y: (('go to [ v]' #gotoSpriteOrMouse:) ('glide () secs to x: () y: ()' #glideSecs:toX:y:elapsed:from:))) (#gotoSpriteOrMouse: (('go to x: () y: ()' #gotoX:y:) ('glide () secs to x: () y: ()' #glideSecs:toX:y:elapsed:from:))) (#changeXposBy: (('set x to ()' #xpos:) ('change y by ()' #changeYposBy:) ('move () steps' #forward:))) (#changeYposBy: (('set y to ()' #ypos:) ('change x by ()' #changeXposBy:) ('move () steps' #forward:))) (#xpos: (('change x by ()' #changeXposBy:) ('set y to ()' #ypos:) ('go to x: () y: ()' #gotoX:y:))) (#ypos: (('change y by ()' #changeYposBy:) ('set x to ()' #xpos:) ('go to x: () y: ()' #gotoX:y:))) (#xpos (('y position' #ypos) ('direction' #heading))) (#ypos (('x position' #xpos) ('direction' #heading))) (#wait:elapsed:from: (('wait until <>' #doWaitUntil))) (#doForever (('forever if <>' #doForeverIf) ('repeat ()' #doRepeat))) (#doForeverIf (('forever' #doForever) ('repeat until <>' #doUntil) ('if <>' #doIf))) (#doWaitUntil (('wait () secs' #wait:elapsed:from:))) (#doBlock (('sprite [ v] run' #doSpriteRun))) (#doSpriteRun (('block' #doBlock))) (#helpFor: (('run []' #doSpriteRunBlock))) (#commandSpecFor: (('call []' #spriteCallBlock) ('block []' #returnBlock:))) (#doSpriteRunBlock (('help for []' #helpFor:))) (#showWatcherForBlock: (('hide watcher for []' #hideWatcherForBlock:))) (#hideWatcherForBlock: (('show watcher for []' #showWatcherForBlock:))) (#returnBlock: (('call []' #sprite:callBlock:) ('label for []' #commandSpecFor:))) (#spriteCallBlock (('block []' #returnBlock:) ('label for []' #commandSpecFor:))) (#object:perform:withArgs: (('run code []' #runCode:))) (#runCode: (('[[]v] peform [] with args [[]v] <>' #object:perform:withArgs:))) (#costumeIndex (('' #returnCostume:) ('' #scale))) (#returnCostume: (('' #costumeIndex))) (#lookLike: (('' #nextCostume) ('' #deleteCostume:) ('' #replaceCostume:with:) ('' #newCostume:named:))) (#nextCostume (('' #lookLike:))) (#newCostume:named: (('' #lookLike:))) (#replaceCostume:with: (('' #lookLike:) ('' #deleteCostume:) ('' #newCostume:named:))) (#deleteCostume: (('' #lookLike:) ('' #replaceCostume:with:) ('' #newCostume:named:))) (#say: (('' #say:duration:elapsed:from:) ('' #think:))) (#say:duration:elapsed:from: (('' #think:duration:elapsed:from:) ('' #say:))) (#think: (('' #think:duration:elapsed:from:) ('' #say:))) (#think:duration:elapsed:from: (('' #say:duration:elapsed:from:) ('' #think:))) (#changeGraphicEffect:by: (('' #setGraphicEffect:to:) ('' #filterReset))) (#setGraphicEffect:to: (('' #changeGraphicEffect:by:) ('' #filterReset))) (#filterReset (('' #setGraphicEffect:to:) ('' #changeGraphicEffect:by:) ('' #applyFilterPackToCostume))) (#applyFilterPackToCostume (('' #setGraphicEffect:to:) ('' #changeGraphicEffect:by:) ('' #filterReset))) (#changeSizeBy: (('' #setSizeTo:))) (#setSizeTo: (('' #changeSizeBy:))) (#show (('' #hide))) (#hide (('' #show))) (#scale (('' #costumeIndex) ('' #layer))) (#comeToFront (('' #goInFrontOf:) ('' #layer:) ('' #goBackByLayers:))) (#layer: (('' #comeToFront) ('' #goBackByLayers:))) (#goBackByLayers: (('' #comeToFront) ('' #layer:))) (#layer (('' #scale))) (#goInFrontOf: (('' #goBehind:) ('' #comeToFront))) (#goBehind: (('' #goInFrontOf:) ('' #comeToFront))) (#stopAll (('' #doReturn) ('' #stopMyScripts))) (#doReturn (('' #stopAll) ('' #stopMyScripts))) (#stopMyScripts (('' #stopAll) ('' #doReturn))) (#broadcast: (('' #doBroadcastAndWait))) (#doBroadcastAndWait (('' #broadcast:))) (#deleteMe (('' #cloneMe))) (#playSound: (('' #doPlaySoundAndWait) ('' #playSound:from:to:) ('' #pauseSound:))) (#pauseSound: (('' #resumeSound:) ('' #playSound:) ('' #stopSound:))) (#resumeSound: (('' #pauseSound:) ('' #playSound:) ('' #stopSound:))) (#stopSound: (('' #stopAllSounds) ('' #playSound:))) (#stopAllSounds (('' #stopSound:) ('' #playSound:))) (#doPlaySoundAndWait (('' #playSound:) ('' #playSound:from:to:) ('' #pauseSound:))) (#playSound:from:to: (('' #doPlaySoundAndWait) ('' #playSound:) ('' #pauseSound:))) (#sounds (('' #sound:))) (#sound: (('' #sounds))) (#recordSound (('' #addSound:))) (#addSound: (('' #recordSound))) (#clearPenTrails (('' #stampCostume) ('' #stampForm:atX:y:))) (#stampCostume (('' #clearPenTrails) ('' #stampForm:atX:y:))) (#stampForm:atX:y: (('' #clearPenTrails) ('' #stampCostume))) (#putPenDown (('' #putPenUp))) (#putPenUp (('' #putPenDown))) (#penColor (('' #penHue) ('' #penShade) ('' #penSize))) (#penHue (('' #penColor) ('' #penShade) ('' #penSize))) (#penShade (('' #penColor) ('' #penHue) ('' #penSize))) (#penSize (('' #penColor) ('' #penShade) ('' #penHue))) (#penColor: (('' #setPenHueTo:) ('' #penSize:) ('' #setPenShadeTo:))) (#setPenHueTo: (('' #changePenHueBy:) ('' #penColor:) ('' #penSize:) ('' #setPenShadeTo:))) (#penSize: (('' #changePenSizeBy:) ('' #setPenHueTo:) ('' #penColor:) ('' #setPenShadeTo:))) (#setPenShadeTo: (('' #changePenShadeBy:) ('' #setPenHueTo:) ('' #penSize:) ('' #penColor:))) (#changePenHueBy: (('' #setPenHueTo:) ('' #changePenSizeBy:) ('' #changePenHueBy:))) (#changePenSizeBy: (('' #penSize:) ('' #changePenHueBy:) ('' #changePenShadeBy:))) (#changePenShadeBy: (('' #setPenShadeTo:) ('' #changePenHueBy:) ('' #changePenSizeBy:))) (#httpGet:args:accept: (('' #httpPostDocument:args:accept:request:))) (#httpPostDocument:args:accept:request: (('' #httpGet:args:accept:))) (#hostMesh (('' #joinMesh:) ('' #leaveMesh))) (#getMeshIPAdress (('' #meshVar:))) (#meshVar: (('' #getMeshIPAdress))) (#contentsOf: (('' #getElement:byID:))) (#getElement:byID: (('' #contentsOf:))) (#asciiFor: (('' #letterFromAscii:))) (#letterFromAscii: (('' #asciiFor:))) (#true (('' #false))) (#false (('' #true))) (#formHeight: (('' #formWidth:))) (#formWidth: (('' #formHeight:))) (#touching: (('' #touchingColor:) ('' #color:sees:))) (#touchingColor: (('' #color:sees:) ('' #touching:))) (#color:sees: (('' #touchingColor:) ('' #touching:))) (#mouseX (('' #mouseY))) (#mouseY (('' #mouseX))) (#keyPressed: (('' #mousePressed:))) (#mousePressed: (('' #keyPressed:))) (#showBackground: (('' #nextBackground))) (#nextBackground (('' #showBackground:))) ).
	t5 _ submorphs detect: [:t6 | t6 isKindOf: BlockMorph]
				ifNone: [].
	t5 ifNil: [t3 _ t3 , #((#cloneMe (('' #deleteMe))) (#doRepeat (('repeat until<>' #doUntil) ('forever' #doForever))) (#doIf (('if <> else' #doIfElse) ('forever if <>' #doForeverIf) ('repeat until <>' #doUntil))) (#doUntil (('forever if <>' #doForeverIf) ('repeat ()' #doRepeat))) )]
		ifNotNil: [t3 _ t3 , #((#doRepeat (('repeat until <>' #doUntil))) (#doIf (('if <> else' #doIfElse) ('repeat until <>' #doUntil))) (#doUntil (('repeat ()' #doRepeat))) )].
	t3 do: [:t7 | t2 at: t7 first put: t7 second].
	t4 _ t2 at: selector ifAbsent: [{nil}].
	t4 do: 
		[:t8 | 
		t8 ifNil: [^ nil].
		[t1
			addIcon: (self receiver blockFromSpec: (self receiver fullBlockSpecForSelector: t8 second)
					color: self color) imageForm
			toolTip: nil
			action: t8 second]
			ifError: []]! !

!CommandBlockMorph methodsFor: 'menus'!
rightButtonMenu
	| t1 t2 t3 t4 t5 |
	t1 _ CustomMenu new.
	t1 add: 'help' action: #presentHelpScreen.
	(owner isKindOf: ScratchBlockPaletteMorph)
		ifFalse: [self addBlockTransformItemsToMenu: t1].
	(owner isKindOf: ScratchBlockPaletteMorph)
		ifFalse: 
			[t1 addLine.
			(#(#+ #- #* #/ #\\ ) includes: selector)
				ifTrue: [#(#+ #- #* #/ #mod ) with: #(#+ #- #* #/ #\\ ) do: [:t6 :t7 | t1
							addIcon: (self receiver blockFromSpec: {'%n' , t6 , '%n'. #r. t7} color: self color) imageForm
							toolTip: nil
							action: t7]].
			(#(#< #= #> ) includes: selector)
				ifTrue: [#(#< #= #> ) do: [:t7 | t1
							addIcon: (self receiver blockFromSpec: {'%s' , t7 , '%s'. #b. t7} color: self color) imageForm
							toolTip: nil
							action: t7]].
			(#(#& #| ) includes: selector)
				ifTrue: [#(#and #or ) with: #(#& #| ) do: [:t6 :t7 | t1
							addIcon: (self receiver blockFromSpec: {'%b' , t6 , '%b'. #b. t7} color: self color) imageForm
							toolTip: nil
							action: t7]].
			t1 addLine.
			t1 add: 'duplicate' action: #duplicate.
			(self owner isKindOf: BlockMorph)
				ifFalse: [t1 add: 'delete' action: #delete]].
	t2 _ self ownerThatIsA: ScratchFrameMorph.
	(t2 notNil and: [#(#sensor: #sensorPressed: ) includes: selector])
		ifTrue: 
			[t1 addLine.
			t1 add: 'show ScratchBoard watcher' action: #showSensorBoard.
			t2 workPane scratchServer ifNil: [t1 add: 'enable remote sensor connections' action: #enableRemoteSensors]
				ifNotNil: [t1 add: 'disable remote sensor connections' action: #exitScratchSession]].
	DebugMenu
		ifTrue: 
			[t1 addLine.
			t1 add: 'show tuples' action: #showTuples].
	(t3 _ t1 localize; startUp) ifNil: [^ self].
	(#(#presentHelpScreen #duplicate #delete ) includes: t3)
		ifTrue: [^ self perform: t3].
	t3 = #showSensorBoard
		ifTrue: 
			[t2 showSensorBoard.
			^ self].
	t3 = #enableRemoteSensors
		ifTrue: 
			[t2 enableRemoteSensors.
			^ self].
	t3 = #exitScratchSession
		ifTrue: 
			[t2 exitScratchSession.
			^ self].
	t3 = #showTuples ifTrue: [^ self showTuples].
	t3 isInfix
		ifFalse: 
			[t2 _ self receiver blockSpecForSelector: t3.
			t2 ifNil: [^ self beep].
			self selector: t3.
			selector numArgs = argMorphs size
				ifFalse: 
					[self removeAllMorphsIn: (submorphs select: [:t8 | (t8 isKindOf: ArgMorph)
								| (t8 isKindOf: StringMorph)]).
					argMorphs _ OrderedCollection new.
					argPermutation _ CommandBlockMorph argPermutationForSpec: t2 withTranslation: (ScratchTranslator translationFor: t2)].
			self commandSpec: t2.
			t5 _ (self receiver fullBlockSpecForSelector: selector) second.
			self isTimed: t5 = #t.
			(self isKindOf: ReporterBlockMorph)
				ifTrue: [self isBoolean: t5 = #b].
			self isSpecialForm: t5 = #s | (t5 = #c).
			^ self].
	t4 _ '%n ' , t3 , ' %n'.
	'\\' = t3 ifTrue: [t4 _ ScratchTranslator translationFor: '%n mod %n'].
	'&' = t3 ifTrue: [t4 _ ScratchTranslator translationFor: '%b and %b'].
	'|' = t3 ifTrue: [t4 _ ScratchTranslator translationFor: '%b or %b'].
	self commandSpec: t4.
	self selector: t3! !


!MenuItemMorph methodsFor: 'drawing'!
drawOn: t1 
	| t2 t3 t4 |
	isSelected & isEnabled
		ifTrue: 
			[t2 _ Display depth <= 2
						ifTrue: [Color gray]
						ifFalse: [owner color darker].
			t1 fillRectangle: self bounds color: t2].
	super drawOn: t1.
	subMenu ifNotNil: [t1 paintImage: SubMenuMarker at: self right - 8 @ (self top + self bottom - SubMenuMarker height // 2)].
	icon
		ifNotNil: 
			[t3 _ self width - icon width // 2.
			t4 _ self height - icon height // 2.
			t1 paintImage: icon at: self position + (t3 @ t4)]! !

!MenuItemMorph methodsFor: 'layout'!
layoutInWidth: t1 height: t2 
	icon ifNotNil: [^ self extent: (icon extent max: t1 @ t2)].
	self extent: ((self stringExtent: contents)
			max: t1 @ t2)! !

!MenuItemMorph methodsFor: 'layout'!
minHeight
	icon ifNotNil: [^ icon height + 2].
	^ self extent y! !

!MenuItemMorph methodsFor: 'layout'!
minWidth
	icon ifNotNil: [^ icon width + 2].
	^ (self stringWidth: contents)
		+ (subMenu ifNil: [0]
				ifNotNil: [10])! !

!MenuItemMorph methodsFor: 'private'!
icon: t1 
	icon _ t1! !


!MenuMorph methodsFor: 'construction'!
addIcon: t1 tooltip: t2 action: t3 
	self
		addIcon: t1
		tooltip: t2
		target: defaultTarget
		selector: t3
		argumentList: Array empty! !

!MenuMorph methodsFor: 'construction'!
addIcon: t1 tooltip: t2 target: t3 selector: t4 argumentList: t5 
	| t6 |
	t6 _ MenuItemMorph new icon: t1;
			 contents: '';
			 setBalloonText: t2;
			 target: t3;
			 selector: t4;
			 arguments: t5 asArray.
	self addMorphBack: t6! !


!MVCMenuMorph class methodsFor: 'instance creation'!
from: t1 title: t2 
	| t3 t4 t5 t6 t7 t8 t9 t10 t11 |
	t3 _ self new.
	t1 isHorizontal ifTrue: [t3 orientation: #horizontal].
	t2
		ifNotNil: [t2 isEmpty ifFalse: [t3 addTitle: t2]].
	t7 _ t1 labelString.
	t4 _ t7 asString findTokens: String cr.
	t10 _ t1 icons.
	t10 ifNil: [t10 _ Array empty].
	t10 size = t4 size ifFalse: [t10 _ Array new: t4 size].
	t7 isText
		ifTrue: 
			[t8 _ 1.
			t4 _ t4
						collect: 
							[:t12 | 
							t8 _ t7 asString findString: t12 startingAt: t8.
							t9 _ TextEmphasis new emphasisCode: (t7 emphasisAt: t8).
							t12 asText addAttribute: t9]].
	t5 _ t1 lineArray.
	t5 ifNil: [t5 _ #()].
	t3 cancelValue: 0.
	t6 _ (1 to: t4 size) asArray.
	ScratchTranslator isRTL & t1 isHorizontal
		ifTrue: 
			[t4 size
				to: 1
				by: -1
				do: 
					[:t13 | 
					t11 _ t10 at: t13.
					t11 isNil
						ifTrue: [t3 add: (t4 at: t13)
								action: (t6 at: t13)]
						ifFalse: [t3
								addIcon: t11 first
								tooltip: t11 second
								action: (t6 at: t13)].
					(t5 includes: t13)
						ifTrue: [t3 addLine]].
			nil]
		ifFalse: 
			[1 to: t4 size do: 
				[:t13 | 
				t11 _ t10 at: t13.
				t11 isNil
					ifTrue: [t3 add: (t4 at: t13)
							action: (t6 at: t13)]
					ifFalse: [t3
							addIcon: t11 first
							tooltip: t11 second
							action: (t6 at: t13)].
				(t5 includes: t13)
					ifTrue: [t3 addLine]].
			nil].
	(ScratchTranslator canRenderUnicode
		and: [t7 notNil
				and: [t7 isUnicode or: [(UTF8 withAll: t7) isMacRoman not]]])
		ifTrue: [t3 convertItemsToUTF8].
	^ t3! !


!PopUpMenu methodsFor: 'accessing'!
icons
	^ Array empty! !

!PopUpMenu methodsFor: 'accessing'!
isHorizontal
	^ false! !

!PopUpMenu methodsFor: 'basic control sequence'!
startUpWithCaption: t1 at: t2 
	| t3 t4 t5 |
	t3 _ Display height * 3 // 4.
	self frameHeight > t3 ifTrue: [^ self
			startUpSegmented: t3
			withCaption: t1
			at: t2].
	Smalltalk isMorphic
		ifTrue: 
			[t4 _ MVCMenuMorph from: self title: t1.
			t5 _ t2.
			self isHorizontal & ScratchTranslator isRTL ifTrue: [t5 _ t2 - (t4 width @ 0)].
			selection _ Cursor normal showWhile: [t4 invokeAt: t5 in: World].
			^ selection].
	frame ifNil: [self computeForm].
	Cursor normal
		showWhile: [self
				displayAt: t2
				withCaption: t1
				during: [self controlActivity]].
	^ selection! !


!ScriptableScratchMorph methodsFor: 'accessing'!
fullBlockSpecForSelector: t1 
	self class blockSpecs do: 
		[:t2 | 
		((t2 isKindOf: Array)
			and: [(t2 at: 3)
					= t1])
			ifTrue: [^ t2].
		nil].
	^ nil! !


!SelectionMenu methodsFor: 'accessing'!
width
	^ (MVCMenuMorph from: self title: nil) width! !


!CustomMenu methodsFor: 'initialize-release'!
initialize
	labels _ OrderedCollection new.
	icons _ OrderedCollection new.
	selections _ OrderedCollection new.
	dividers _ OrderedCollection new.
	isHorizontal _ false.
	lastDivider _ 0.
	includesUTF8 _ false! !

!CustomMenu methodsFor: 'accessing'!
beHorizontal
	isHorizontal _ true! !

!CustomMenu methodsFor: 'accessing'!
icons
	^ icons! !

!CustomMenu methodsFor: 'accessing'!
isHorizontal
	^ isHorizontal! !

!CustomMenu methodsFor: 'construction'!
add: t1 action: t2 
	| t3 |
	t3 _ String new: t1 size + 2.
	t3 at: 1 put: Character space.
	t3
		replaceFrom: 2
		to: t3 size - 1
		with: t1.
	t3 at: t3 size put: Character space.
	t1 isUnicode ifTrue: [includesUTF8 _ true].
	labels addLast: t3.
	icons add: nil.
	selections addLast: t2! !

!CustomMenu methodsFor: 'construction'!
addIcon: t1 toolTip: t2 action: t3 
	icons size = labels size ifFalse: [^ self error: 'inconsistent menu construction'].
	labels addLast: '  '.
	icons addLast: (Array with: t1 with: t2).
	selections addLast: t3! !

!CustomMenu methodsFor: 'construction'!
localize
	| t1 |
	labels _ labels
				collect: 
					[:t2 | 
					t1 _ (t2 copyFrom: 2 to: t2 size - 1) localized.
					t1 isUnicode ifTrue: [includesUTF8 _ true].
					UTF8 withAll: ' ' , t1 , ' '].
	title ifNotNil: [title _ title localized].
	icons do: [:t3 | t3 ifNotNil: [t3 second ifNotNil: [t3 at: 2 put: (t3 at: 2) localized]]]! !

SelectionMenu subclass: #CustomMenu
	instanceVariableNames: 'title labels dividers lastDivider includesUTF8 icons isHorizontal '
	classVariableNames: ''
	poolDictionaries: ''
	category: 'Tools-Menus'!