[squeak-dev] The Trunk: EToys-nice.292.mczH. Hirzel hannes.hirzel at gmail.comSun Oct 8 20:02:58 UTC 2017
Found out that probably the following fix has to be made in addition
(see thread MorphicProject subclass: EtoysProject )
SmartRefStream>>initKnownRenames.
OLD
initKnownRenames
renamed
at: #FlasherMorph put: #Flasher;
at: #AlansTextPlusMorph put: #TextPlusMorph;
at: #Project put: #MorphicProject;
at: #Presenter put: #EtoysPresenter;
yourself
Should probably be NEW
initKnownRenames
renamed
at: #FlasherMorph put: #Flasher;
at: #AlansTextPlusMorph put: #TextPlusMorph;
at: #Project put: #MorphicProject;
at: #Presenter put: #EtoysPresenter;
at: #MultiNewParagraph put: #NewParagraph; "NEW NEW NEW"
yourself
On 10/5/17, Nicolas Cellier <nicolas.cellier.aka.nice at gmail.com> wrote:
> Exactly!
> Multilingual features have been merged back into regular classes, so we
> don't need a fork anymore.
>
> 2017-10-05 21:03 GMT+02:00 H. Hirzel <hannes.hirzel at gmail.com>:
>
>> Note regarding the thread 'MorphicProject subclass: #EtoysProject'
>>
>> Answer 'NewParagraph' when asked for a replacement class for
>> 'MultiNewParagraph'
>>
>> On Sat, 15 Apr 2017 13:45:33 0000, commits at source.squeak.org
>> <commits at source.squeak.org> wrote:
>> > Nicolas Cellier uploaded a new version of EToys to project The Trunk:
>> > http://source.squeak.org/trunk/EToys-nice.292.mcz
>> >
>> > ==================== Summary ====================
>> >
>> > Name: EToys-nice.292
>> > Author: nice
>> > Time: 15 April 2017, 3:44:39.800437 pm
>> > UUID: 39acfe15-791f-41c6-8aad-d679664643e7
>> > Ancestors: EToys-eem.291
>> >
>> > Remove the Multi*Scanner, MultiNewParagraph, MultiComposer because they
>> have
>> > no additional value.
>> >
>> > =============== Diff against EToys-eem.291 ===============
>> >
>> > Item was changed:
>> > SystemOrganization addCategory: #'Etoys-Buttons'!
>> > SystemOrganization addCategory: #'Etoys-CustomEvents'!
>> > SystemOrganization addCategory: #'Etoys-Experimental'!
>> > SystemOrganization addCategory: #'Etoys-Outliner'!
>> > SystemOrganization addCategory: #'Etoys-Protocols'!
>> > SystemOrganization addCategory: #'Etoys-Protocols-Type Vocabularies'!
>> > SystemOrganization addCategory: #'Etoys-Scripting'!
>> > SystemOrganization addCategory: #'Etoys-Scripting Support'!
>> > SystemOrganization addCategory: #'Etoys-Scripting Tiles'!
>> > SystemOrganization addCategory: #'Etoys-Squeakland-BroomMorphs-Base'!
>> > SystemOrganization addCategory:
>> > #'Etoys-Squeakland-BroomMorphs-Connectors'!
>> > SystemOrganization addCategory: #'Etoys-Squeakland-EToys-Kedama'!
>> > SystemOrganization addCategory: #'Etoys-Squeakland-Etoys-Buttons'!
>> > SystemOrganization addCategory: #'Etoys-Squeakland-Etoys-Calendar'!
>> > SystemOrganization addCategory: #'Etoys-Squeakland-Etoys-Debugger'!
>> > SystemOrganization addCategory: #'Etoys-Squeakland-Etoys-Help'!
>> > SystemOrganization addCategory: #'Etoys-Squeakland-Etoys-Input'!
>> > SystemOrganization addCategory: #'Etoys-Squeakland-Etoys-Scripting'!
>> > SystemOrganization addCategory: #'Etoys-Squeakland-Etoys-Scripting
>> > Support'!
>> > SystemOrganization addCategory: #'Etoys-Squeakland-Etoys-Scripting
>> Tiles'!
>> > SystemOrganization addCategory: #'Etoys-Squeakland-Etoys-
>> SpeechBubbles'!
>> > SystemOrganization addCategory: #'Etoys-Squeakland-Etoys-Tile
>> Scriptors'!
>> > SystemOrganization addCategory:
>> > #'Etoys-Squeakland-Graphics-External'!
>> > SystemOrganization addCategory: #'Etoys-Squeakland-Graphics-Text'!
>> > SystemOrganization addCategory:
>> > #'Etoys-Squeakland-Graphics-Tools-Intersection'!
>> > SystemOrganization addCategory:
>> > #'Etoys-Squeakland-Graphics-Tools-Simplification'!
>> > SystemOrganization addCategory:
>> > #'Etoys-Squeakland-Graphics-Tools-Triangulation'!
>> > SystemOrganization addCategory:
>> > #'Etoys-Squeakland-MorphicExtras-AdditionalMorphs'!
>> > SystemOrganization addCategory: #'Etoys-Squeakland-
>> MorphicExtras-Charts'!
>> > SystemOrganization addCategory:
>> > #'Etoys-Squeakland-MorphicExtras-Postscript Filters'!
>> > SystemOrganization addCategory: #'Etoys-Squeakland-
>> MorphicExtras-WebCam'!
>> > SystemOrganization addCategory: #'Etoys-Squeakland-
>> MorphicExtras-Widgets'!
>> > SystemOrganization addCategory: #'Etoys-Squeakland-Morphic-Basic'!
>> > SystemOrganization addCategory: #'Etoys-Squeakland-Morphic-Books'!
>> > SystemOrganization addCategory: #'Etoys-Squeakland-Morphic-
>> Components'!
>> > SystemOrganization addCategory: #'Etoys-Squeakland-Morphic-Demo'!
>> > SystemOrganization addCategory: #'Etoys-Squeakland-Morphic-
>> Experimental'!
>> > SystemOrganization addCategory: #'Etoys-Squeakland-Morphic-Games'!
>> > SystemOrganization addCategory: #'Etoys-Squeakland-Morphic-
>> Games-Chess'!
>> > SystemOrganization addCategory: #'Etoys-Squeakland-Morphic-GeeMail'!
>> > SystemOrganization addCategory: #'Etoys-Squeakland-Morphic-Kernel'!
>> > SystemOrganization addCategory:
>> > #'Etoys-Squeakland-Morphic-Mentoring'!
>> > SystemOrganization addCategory: #'Etoys-Squeakland-Morphic-
>> Navigators'!
>> > SystemOrganization addCategory: #'Etoys-Squeakland-Morphic-PartsBin'!
>> > SystemOrganization addCategory: #'Etoys-Squeakland-Morphic-PDA'!
>> > SystemOrganization addCategory: #'Etoys-Squeakland-Morphic-Support'!
>> > SystemOrganization addCategory: #'Etoys-Squeakland-Morphic-Widgets'!
>> > SystemOrganization addCategory: #'Etoys-Squeakland-Morphic-Windows'!
>> > SystemOrganization addCategory: #'Etoys-Squeakland-Morphic-Worlds'!
>> > SystemOrganization addCategory:
>> > #'Etoys-Squeakland-Multilingual-Languages'!
>> > - SystemOrganization addCategory: #'Etoys-Squeakland-
>> Multilingual-Scanning'!
>> > SystemOrganization addCategory:
>> > #'Etoys-Squeakland-Multilingual-TextConversion'!
>> > SystemOrganization addCategory:
>> > #'Etoys-Squeakland-Network-HTML-Formatter'!
>> > SystemOrganization addCategory: #'Etoys-Squeakland-Network-
>> HTML-Forms'!
>> > SystemOrganization addCategory: #'Etoys-Squeakland-Network-
>> HTML-Parser'!
>> > SystemOrganization addCategory:
>> > #'Etoys-Squeakland-Network-HTML-Parser
>> > Entities'!
>> > SystemOrganization addCategory:
>> > #'Etoys-Squeakland-Network-HTML-Tokenizer'!
>> > SystemOrganization addCategory: #'Etoys-Squeakland-Network-MIME'!
>> > SystemOrganization addCategory: #'Etoys-Squeakland-Network-TelNet
>> > WordNet'!
>> > SystemOrganization addCategory: #'Etoys-Squeakland-Network-UI'!
>> > SystemOrganization addCategory: #'Etoys-Squeakland-Network-Url'!
>> > SystemOrganization addCategory: #'Etoys-Squeakland-Protocols-Type
>> > Vocabularies'!
>> > SystemOrganization addCategory: #'Etoys-Squeakland-Sound-Interface'!
>> > SystemOrganization addCategory: #'Etoys-Squeakland-Sound-Ogg'!
>> > SystemOrganization addCategory: #'Etoys-Squeakland-Sound-Scores'!
>> > SystemOrganization addCategory: #'Etoys-Squeakland-ST80-Morphic'!
>> > SystemOrganization addCategory: #'Etoys-Squeakland-SUnit'!
>> > SystemOrganization addCategory: #'Etoys-Squeakland-Sugar'!
>> > SystemOrganization addCategory:
>> > #'Etoys-Squeakland-System-Clipboard-Extended'!
>> > SystemOrganization addCategory: #'Etoys-Squeakland-System-Compiler'!
>> > SystemOrganization addCategory: #'Etoys-Squeakland-System-Exceptions
>> > Kernel'!
>> > SystemOrganization addCategory: #'Etoys-Squeakland-System-Support'!
>> > SystemOrganization addCategory: #'Etoys-Squeakland-Tools-Changes'!
>> > SystemOrganization addCategory: #'Etoys-Squeakland-Tools-Explorer'!
>> > SystemOrganization addCategory: #'Etoys-Squeakland-Tools-File
>> > Contents
>> > Browser'!
>> > SystemOrganization addCategory: #'Etoys-Squeakland-Tools-Process
>> Browser'!
>> > SystemOrganization addCategory:
>> > #'Etoys-Squeakland-Tweak-Kedama-ObjectVectors'!
>> > SystemOrganization addCategory:
>> > #'Etoys-Squeakland-Tweak-Kedama-ParseTreeTransformer'!
>> > SystemOrganization addCategory:
>> > #'Etoys-Squeakland-Tweak-Kedama-ParseTree-AttributeDefinition'!
>> > SystemOrganization addCategory: #'Etoys-Stacks'!
>> > SystemOrganization addCategory: #'Etoys-StarSqueak'!
>> > SystemOrganization addCategory: #'Etoys-Support'!
>> > SystemOrganization addCategory: #'Etoys-Tests'!
>> > SystemOrganization addCategory: #'Etoys-Tile Scriptors'!
>> > SystemOrganization addCategory: #'Etoys-Widgets'!
>> > SystemOrganization addCategory: #'Etoys-Squeakland-Support'!
>> > SystemOrganization addCategory: #'Etoys-Squeakland-SISS-
>> Serialization'!
>> > SystemOrganization addCategory: #'Etoys-OLPC-Display'!
>> > SystemOrganization addCategory: #'Etoys-ReleaseBuilder'!
>> > SystemOrganization addCategory: #'Etoys-UserInterfaceTheme'!
>> >
>> > Item was removed:
>> > - ----- Method:
>> > GrafPort>>displayScannerForMulti:foreground:background:
>> ignoreColorChanges:
>> > (in category '*Etoys-Squeakland-accessing') -----
>> > - displayScannerForMulti: para foreground: foreColor background:
>> backColor
>> > ignoreColorChanges: shadowMode
>> > -
>> > - ((para isMemberOf: MultiNewParagraph) or: [para text string
>> > isByteString]) ifTrue: [
>> > - ^ (MultiDisplayScanner new text: para presentationText
>> textStyle: para
>> > textStyle
>> > - foreground: foreColor background:
>> backColor fillBlt: self
>> > - ignoreColorChanges: shadowMode)
>> > - setPort: self clone
>> > - ].
>> > - ^ (DisplayScanner new text: para text textStyle: para textStyle
>> > - foreground: foreColor background: backColor
>> fillBlt: self
>> > - ignoreColorChanges: shadowMode)
>> > - setPort: self clone
>> > - !
>> >
>> > Item was removed:
>> > - MultiCharacterScanner subclass: #MultiCanvasCharacterScanner
>> > - instanceVariableNames: 'canvas fillBlt foregroundColor runX
>> > lineY'
>> > - classVariableNames: ''
>> > - poolDictionaries: ''
>> > - category: 'Etoys-Squeakland-Multilingual-Scanning'!
>> >
>> > Item was removed:
>> > - ----- Method: MultiCanvasCharacterScanner>>canvas: (in category
>> > 'accessing') -----
>> > - canvas: aCanvas
>> > - "set the canvas to draw on"
>> > - canvas ifNotNil: [ self inform: 'initializing twice!!' ].
>> > - canvas := aCanvas!
>> >
>> > Item was removed:
>> > - ----- Method: MultiCanvasCharacterScanner>>cr (in category 'stop
>> > conditions') -----
>> > - cr
>> > - "When a carriage return is encountered, simply increment the
>> pointer
>> > - into the paragraph."
>> > -
>> > - lastIndex := lastIndex + 1.
>> > - ^false!
>> >
>> > Item was removed:
>> > - ----- Method: MultiCanvasCharacterScanner>>crossedX (in category
>> > 'stop
>> > conditions') -----
>> > - crossedX
>> > - "This condition will sometimes be reached 'legally' during
>> display, when,
>> > - for instance the space that caused the line to wrap actually
>> extends over
>> > - the right boundary. This character is allowed to display, even
>> though it
>> > - is technically outside or straddling the clipping ectangle since
>> it is in
>> > - the normal case not visible and is in any case appropriately
>> clipped by
>> > - the scanner."
>> > -
>> > - "self fillLeading."
>> > - ^ true !
>> >
>> > Item was removed:
>> > - ----- Method: MultiCanvasCharacterScanner>>
>> displayLine:offset:leftInRun:
>> > (in category 'scanning') -----
>> > - displayLine: textLine offset: offset leftInRun: leftInRun
>> > - | nowLeftInRun done startLoc startIndex stopCondition |
>> > - "largely copied from DisplayScanner's routine"
>> > -
>> > - line := textLine.
>> > - foregroundColor ifNil: [ foregroundColor := Color black ].
>> > - leftMargin := (line leftMarginForAlignment: alignment) + offset
>> > x.
>> > -
>> > - rightMargin := line rightMargin + offset x.
>> > - lineY := line top + offset y.
>> > - lastIndex := textLine first.
>> > - leftInRun <= 0
>> > - ifTrue: [self setStopConditions. "also sets the font"
>> > - nowLeftInRun := text runLengthFor:
>> lastIndex]
>> > - ifFalse: [nowLeftInRun := leftInRun].
>> > - runX := destX := leftMargin.
>> > -
>> > - runStopIndex := lastIndex + (nowLeftInRun - 1) min: line last.
>> > - spaceCount := 0.
>> > - done := false.
>> > -
>> > - [done] whileFalse: [
>> > - "remember where this portion of the line starts"
>> > - startLoc := destX at destY.
>> > - startIndex := lastIndex.
>> > -
>> > - "find the end of this portion of the line"
>> > - stopCondition := self scanCharactersFrom: lastIndex to:
>> runStopIndex
>> > - in: text string rightX:
>> rightMargin stopConditions: stopConditions
>> > - kern: kern "displaying:
>> false".
>> > -
>> > - "display that portion of the line"
>> > - canvas drawString: text string
>> > - from: startIndex to: lastIndex
>> > - at: startLoc
>> > - font: font
>> > - color: foregroundColor.
>> > -
>> > - "handle the stop condition"
>> > - done := self perform: stopCondition
>> > - ].
>> > -
>> > - ^runStopIndex - lastIndex!
>> >
>> > Item was removed:
>> > - ----- Method: MultiCanvasCharacterScanner>>doesDisplaying (in
>> > category
>> > 'private') -----
>> > - doesDisplaying
>> > - ^false "it doesn't do displaying using copyBits"!
>> >
>> > Item was removed:
>> > - ----- Method: MultiCanvasCharacterScanner>>endOfRun (in category
>> > 'stop
>> > conditions') -----
>> > - endOfRun
>> > - "The end of a run in the display case either means that there is
>> actually
>> > - a change in the style (run code) to be associated with the string
>> or the
>> > - end of this line has been reached."
>> > - | runLength |
>> > -
>> > - lastIndex = line last ifTrue: [^true].
>> > - runX := destX.
>> > - runLength := text runLengthFor: (lastIndex := lastIndex + 1).
>> > - runStopIndex := lastIndex + (runLength - 1) min: line last.
>> > - self setStopConditions.
>> > - ^ false!
>> >
>> > Item was removed:
>> > - ----- Method: MultiCanvasCharacterScanner>>paddedSpace (in category
>> 'stop
>> > conditions') -----
>> > - paddedSpace
>> > - "Each space is a stop condition when the alignment is right
>> justified.
>> > - Padding must be added to the base width of the space according to
>> > - which space in the line this space is and according to the amount
>> of
>> > - space that remained at the end of the line when it was composed."
>> > -
>> > - destX := destX + spaceWidth + (line justifiedPadFor: spaceCount).
>> > -
>> > - lastIndex := lastIndex + 1.
>> > - ^ false!
>> >
>> > Item was removed:
>> > - ----- Method: MultiCanvasCharacterScanner>>setFont (in category
>> 'private')
>> > -----
>> > - setFont
>> > - foregroundColor ifNil: [foregroundColor := Color black].
>> > - super setFont.
>> > - baselineY := lineY + line baseline.
>> > - destY := baselineY - font ascent.!
>> >
>> > Item was removed:
>> > - ----- Method: MultiCanvasCharacterScanner>>setStopConditions (in
>> category
>> > 'stop conditions') -----
>> > - setStopConditions
>> > - "Set the font and the stop conditions for the current run."
>> > -
>> > - self setFont.
>> > - self setConditionArray: (textStyle alignment = Justified ifTrue:
>> > [#paddedSpace]).
>> > - !
>> >
>> > Item was removed:
>> > - ----- Method: MultiCanvasCharacterScanner>>tab (in category 'stop
>> > conditions') -----
>> > - tab
>> > -
>> > - destX := (alignment == Justified and: [self leadingTab not])
>> > - ifTrue: "imbedded tabs in justified text are
>> > weird"
>> > - [destX + (textStyle tabWidth - (line
>> justifiedTabDeltaFor: spaceCount))
>> > max: destX]
>> > - ifFalse:
>> > - [textStyle nextTabXFrom: destX
>> > - leftMargin: leftMargin
>> > - rightMargin: rightMargin].
>> > -
>> > - lastIndex := lastIndex + 1.
>> > - ^ false!
>> >
>> > Item was removed:
>> > - ----- Method: MultiCanvasCharacterScanner>>textColor: (in category
>> > 'private') -----
>> > - textColor: color
>> > - foregroundColor := color!
>> >
>> > Item was removed:
>> > - MultiCharacterScanner subclass: #MultiCharacterBlockScanner
>> > - instanceVariableNames: 'characterPoint characterIndex
>> > lastCharacter
>> > lastCharacterExtent lastSpaceOrTabExtent nextLeftMargin specialWidth'
>> > - classVariableNames: ''
>> > - poolDictionaries: ''
>> > - category: 'Etoys-Squeakland-Multilingual-Scanning'!
>> >
>> > Item was removed:
>> > - ----- Method: MultiCharacterBlockScanner>>buildCharacterBlockIn: (in
>> > category 'private') -----
>> > - buildCharacterBlockIn: para
>> > - | lineIndex runLength lineStop done stopCondition |
>> > - "handle nullText"
>> > - (para numberOfLines = 0 or: [text size = 0])
>> > - ifTrue: [^ CharacterBlock new stringIndex: 1 "like being
>> off end of
>> > string"
>> > - text: para text
>> > - topLeft: (para
>> leftMarginForDisplayForLine: 1 alignment: (alignment
>> > ifNil:[textStyle alignment]))
>> > - @ para
>> compositionRectangle top
>> > - extent: 0 @ textStyle lineGrid].
>> > - "find the line"
>> > - lineIndex := para lineIndexOfTop: characterPoint y.
>> > - destY := para topAtLineIndex: lineIndex.
>> > - line := para lines at: lineIndex.
>> > - rightMargin := para rightMarginForDisplay.
>> > -
>> > - (lineIndex = para numberOfLines and:
>> > - [(destY + line lineHeight) < characterPoint y])
>> > - ifTrue: ["if beyond lastLine, force search to
>> > last
>> character"
>> > - self characterPointSetX:
>> rightMargin]
>> > - ifFalse: [characterPoint y < (para
>> compositionRectangle) top
>> > - ifTrue: ["force search to
>> first line"
>> > -
>> characterPoint := (para compositionRectangle) topLeft].
>> > - characterPoint x > rightMargin
>> > - ifTrue: [self
>> characterPointSetX: rightMargin]].
>> > - destX := (leftMargin := para leftMarginForDisplayForLine:
>> > lineIndex
>> > alignment: (alignment ifNil:[textStyle alignment])).
>> > - nextLeftMargin := para leftMarginForDisplayForLine: lineIndex+1
>> > alignment: (alignment ifNil:[textStyle alignment]).
>> > - lastIndex := line first.
>> > -
>> > - self setStopConditions. "also sets font"
>> > - runLength := (text runLengthFor: line first).
>> > - characterIndex == nil
>> > - ifTrue: [lineStop := line last "characterBlockAtPoint"]
>> > - ifFalse: [lineStop := characterIndex
>> "characterBlockForIndex"].
>> > - (runStopIndex := lastIndex + (runLength - 1)) > lineStop
>> > - ifTrue: [runStopIndex := lineStop].
>> > - lastCharacterExtent := 0 @ line lineHeight.
>> > - spaceCount := 0. done := false.
>> > - self handleIndentation.
>> > -
>> > - [done]
>> > - whileFalse:
>> > - [stopCondition := self scanCharactersFrom: lastIndex to:
>> runStopIndex
>> > - in: text string rightX: characterPoint x
>> > - stopConditions: stopConditions kern: kern.
>> > -
>> > - "see setStopConditions for stopping conditions for character
>> > block
>> > operations."
>> > - self lastCharacterExtentSetX: (font widthOf: (text at:
>> > lastIndex)).
>> > - (self perform: stopCondition) ifTrue:
>> > - [characterIndex == nil
>> > - ifTrue: ["characterBlockAtPoint"
>> > - ^ CharacterBlock new stringIndex:
>> lastIndex text: text
>> > - topLeft: characterPoint +
>> (font descentKern @ 0)
>> > - extent:
>> lastCharacterExtent]
>> > - ifFalse: ["characterBlockForIndex"
>> > - ^ CharacterBlock new stringIndex:
>> lastIndex text: text
>> > - topLeft: characterPoint +
>> ((font descentKern) - kern @ 0)
>> > - extent:
>> lastCharacterExtent]]]!
>> >
>> > Item was removed:
>> > - ----- Method: MultiCharacterBlockScanner>>characterBlockAtPoint:in:
>> (in
>> > category 'scanning') -----
>> > - characterBlockAtPoint: aPoint in: aParagraph
>> > - "Answer a CharacterBlock for character in aParagraph at point
>> aPoint. It
>> > - is assumed that aPoint has been transformed into coordinates
>> appropriate
>> > - to the text's destination form rectangle and the composition
>> rectangle."
>> > -
>> > - self initializeFromParagraph: aParagraph clippedBy: aParagraph
>> > clippingRectangle.
>> > - characterPoint := aPoint.
>> > - ^self buildCharacterBlockIn: aParagraph!
>> >
>> > Item was removed:
>> > - ----- Method:
>> > MultiCharacterBlockScanner>>characterBlockAtPoint:index:
>> in:
>> > (in category 'scanning') -----
>> > - characterBlockAtPoint: aPoint index: index in: textLine
>> > - "This method is the Morphic characterBlock finder. It combines
>> > - MVC's characterBlockAtPoint:, -ForIndex:, and
>> buildCharcterBlock:in:"
>> > - | runLength lineStop done stopCondition |
>> > - line := textLine.
>> > - rightMargin := line rightMargin.
>> > - lastIndex := line first.
>> > - self setStopConditions. "also sets font"
>> > - characterIndex := index. " == nil means scanning for point"
>> > - characterPoint := aPoint.
>> > - (characterPoint isNil or: [characterPoint y > line bottom])
>> > - ifTrue: [characterPoint := line bottomRight].
>> > - (text isEmpty or: [(characterPoint y < line top or:
>> [characterPoint x <
>> > line left])
>> > - or: [characterIndex notNil and:
>> [characterIndex < line first]]])
>> > - ifTrue: [^ (CharacterBlock new stringIndex: line first
>> text: text
>> > - topLeft: line leftMargin at line top
>> extent: 0 @ textStyle lineGrid)
>> > - textLine: line].
>> > - destX := leftMargin := line leftMarginForAlignment: alignment.
>> > - destY := line top.
>> > - runLength := text runLengthFor: line first.
>> > - characterIndex
>> > - ifNotNil: [lineStop := characterIndex "scanning
>> > for
>> index"]
>> > - ifNil: [lineStop := line last "scanning for point"].
>> > - runStopIndex := lastIndex + (runLength - 1) min: lineStop.
>> > - lastCharacterExtent := 0 @ line lineHeight.
>> > - spaceCount := 0.
>> > -
>> > - done := false.
>> > - [done] whileFalse:
>> > - [stopCondition := self scanCharactersFrom: lastIndex to:
>> runStopIndex
>> > - in: text string rightX: characterPoint x
>> > - stopConditions: stopConditions kern: kern.
>> > - "see setStopConditions for stopping conditions for
>> character block
>> > operations."
>> > - self lastCharacterExtentSetX: (specialWidth
>> > - ifNil: [font widthOf: (text at: lastIndex)]
>> > - ifNotNil: [specialWidth]).
>> > - (self perform: stopCondition) ifTrue:
>> > - [characterIndex
>> > - ifNil: [
>> > - "Result for
>> > characterBlockAtPoint:
>> "
>> > - (stopCondition ~~ #cr and: [
>> lastIndex == line last
>> > - and: [ aPoint x >
>> ((characterPoint x) + (lastCharacterExtent x / 2))
>> > ]])
>> > - ifTrue: [
>> > "Correct
>> for right half of last character in line"
>> > - ^
>> (CharacterBlock new stringIndex: lastIndex + 1
>> > -
>> text: text
>> > -
>> topLeft: characterPoint + (lastCharacterExtent x @ 0) + (font
>> > descentKern @ 0)
>> > -
>> extent: 0 @ lastCharacterExtent y)
>> > -
>> textLine: line ].
>> > - ^ (CharacterBlock new
>> stringIndex: lastIndex
>> > - text: text
>> topLeft: characterPoint + (font descentKern @ 0)
>> > - extent:
>> lastCharacterExtent - (font baseKern @ 0))
>> > -
>> textLine: line]
>> > - ifNotNil: ["Result for
>> characterBlockForIndex: "
>> > - ^ (CharacterBlock new
>> stringIndex: characterIndex
>> > - text: text
>> topLeft: characterPoint + ((font descentKern) - kern @
>> > 0)
>> > - extent:
>> lastCharacterExtent)
>> > -
>> textLine: line]]]!
>> >
>> > Item was removed:
>> > - ----- Method: MultiCharacterBlockScanner>>characterBlockForIndex:in:
>> (in
>> > category 'scanning') -----
>> > - characterBlockForIndex: targetIndex in: aParagraph
>> > - "Answer a CharacterBlock for character in aParagraph at
>> targetIndex. The
>> > - coordinates in the CharacterBlock will be appropriate to the
>> intersection
>> > - of the destination form rectangle and the composition rectangle."
>> > -
>> > - self
>> > - initializeFromParagraph: aParagraph
>> > - clippedBy: aParagraph clippingRectangle.
>> > - characterIndex := targetIndex.
>> > - characterPoint :=
>> > - aParagraph rightMarginForDisplay @
>> > - (aParagraph topAtLineIndex:
>> > - (aParagraph lineIndexOfCharacterIndex:
>> characterIndex)).
>> > - ^self buildCharacterBlockIn: aParagraph!
>> >
>> > Item was removed:
>> > - ----- Method: MultiCharacterBlockScanner>>characterPointSetX: (in
>> category
>> > 'private') -----
>> > - characterPointSetX: xVal
>> > - characterPoint := xVal @ characterPoint y!
>> >
>> > Item was removed:
>> > - ----- Method: MultiCharacterBlockScanner>>cr (in category 'stop
>> > conditions') -----
>> > - cr
>> > - "Answer a CharacterBlock that specifies the current location of
>> the mouse
>> > - relative to a carriage return stop condition that has just been
>> > - encountered. The ParagraphEditor convention is to denote
>> selections by
>> > - CharacterBlocks, sometimes including the carriage return (cursor
>> is at
>> > - the end) and sometimes not (cursor is in the middle of the
>> > text)."
>> > -
>> > - ((characterIndex ~= nil
>> > - and: [characterIndex > text size])
>> > - or: [(line last = text size)
>> > - and: [(destY + line lineHeight) <
>> characterPoint y]])
>> > - ifTrue: ["When off end of string, give data for next
>> character"
>> > - destY := destY + line lineHeight.
>> > - baselineY := line lineHeight.
>> > - lastCharacter := nil.
>> > - characterPoint := (nextLeftMargin ifNil:
>> [leftMargin]) @ destY.
>> > - lastIndex := lastIndex + 1.
>> > - self lastCharacterExtentSetX: 0.
>> > - ^ true].
>> > - lastCharacter := CR.
>> > - characterPoint := destX @ destY.
>> > - self lastCharacterExtentSetX: rightMargin - destX.
>> > - ^true!
>> >
>> > Item was removed:
>> > - ----- Method: MultiCharacterBlockScanner>>crossedX (in category 'stop
>> > conditions') -----
>> > - crossedX
>> > - "Text display has wrapping. The scanner just found a character
>> past the x
>> > - location of the cursor. We know that the cursor is pointing at a
>> > character
>> > - or before one."
>> > -
>> > - | leadingTab currentX |
>> > - characterIndex == nil ifFalse: [
>> > - "If the last character of the last line is a space,
>> > - and it crosses the right margin, then locating
>> > - the character block after it is impossible without this
>> hack."
>> > - characterIndex > text size ifTrue: [
>> > - lastIndex := characterIndex.
>> > - characterPoint := (nextLeftMargin ifNil:
>> [leftMargin]) @ (destY + line
>> > lineHeight).
>> > - ^true]].
>> > - characterPoint x <= (destX + (lastCharacterExtent x // 2))
>> > - ifTrue: [lastCharacter := (text at: lastIndex).
>> > - characterPoint := destX @ destY.
>> > - ^true].
>> > - lastIndex >= line last
>> > - ifTrue: [lastCharacter := (text at: line last).
>> > - characterPoint := destX @ destY.
>> > - ^true].
>> > -
>> > - "Pointing past middle of a character, return the next character."
>> > - lastIndex := lastIndex + 1.
>> > - lastCharacter := text at: lastIndex.
>> > - currentX := destX + lastCharacterExtent x + kern.
>> > - self lastCharacterExtentSetX: (font widthOf: lastCharacter).
>> > - characterPoint := currentX @ destY.
>> > - lastCharacter = Space ifFalse: [^ true].
>> > -
>> > - "Yukky if next character is space or tab."
>> > - alignment = Justified ifTrue:
>> > - [self lastCharacterExtentSetX:
>> > - (lastCharacterExtent x + (line
>> justifiedPadFor: (spaceCount + 1))).
>> > - ^ true].
>> > -
>> > - true ifTrue: [^ true].
>> > - "NOTE: I find no value to the following code, and so have
>> defeated it -
>> > DI"
>> > -
>> > - "See tabForDisplay for illumination on the following awfulness."
>> > - leadingTab := true.
>> > - line first to: lastIndex - 1 do:
>> > - [:index | (text at: index) ~= Tab ifTrue: [leadingTab :=
>> false]].
>> > - (alignment ~= Justified or: [leadingTab])
>> > - ifTrue: [self lastCharacterExtentSetX: (textStyle
>> nextTabXFrom: currentX
>> > - leftMargin: leftMargin
>> rightMargin: rightMargin) -
>> > - currentX]
>> > - ifFalse: [self lastCharacterExtentSetX:
>> (((currentX + (textStyle
>> > tabWidth -
>> > - (line
>> justifiedTabDeltaFor: spaceCount))) -
>> > - currentX) max:
>> > 0)].
>> > - ^ true!
>> >
>> > Item was removed:
>> > - ----- Method: MultiCharacterBlockScanner>>endOfRun (in category 'stop
>> > conditions') -----
>> > - endOfRun
>> > - "Before arriving at the cursor location, the selection has
>> encountered an
>> > - end of run. Answer false if the selection continues, true
>> otherwise. Set
>> > - up indexes for building the appropriate CharacterBlock."
>> > -
>> > - | runLength lineStop |
>> > - (((characterIndex ~~ nil and:
>> > - [runStopIndex < characterIndex and: [runStopIndex < text
>> size]])
>> > - or: [characterIndex == nil and: [lastIndex <
>> line last]]) or: [
>> > - ((lastIndex < line last)
>> > - and: [((text at: lastIndex) leadingChar
>> > ~=
>> (text at: lastIndex+1)
>> > leadingChar)
>> > - and: [lastIndex ~=
>> characterIndex]])])
>> > - ifTrue: ["We're really at the end of a real run."
>> > - runLength := (text runLengthFor:
>> (lastIndex := lastIndex + 1)).
>> > - characterIndex ~~ nil
>> > - ifTrue: [lineStop :=
>> characterIndex "scanning for index"]
>> > - ifFalse: [lineStop := line
>> last "scanning for point"].
>> > - (runStopIndex := lastIndex + (runLength -
>> 1)) > lineStop
>> > - ifTrue: [runStopIndex :=
>> lineStop].
>> > - self setStopConditions.
>> > - ^false].
>> > -
>> > - lastCharacter := text at: lastIndex.
>> > - characterPoint := destX @ destY.
>> > - ((lastCharacter = Space and: [alignment = Justified])
>> > - or: [lastCharacter = Tab and: [lastSpaceOrTabExtent
>> notNil]])
>> > - ifTrue: [lastCharacterExtent := lastSpaceOrTabExtent].
>> > - characterIndex ~~ nil
>> > - ifTrue: ["If scanning for an index and we've stopped on
>> that index,
>> > - then we back destX off by the width of
>> > the
>> character stopped on
>> > - (it will be pointing at the right side of
>> the character) and return"
>> > - runStopIndex = characterIndex
>> > - ifTrue: [self characterPointSetX:
>> destX - lastCharacterExtent x.
>> > - ^true].
>> > - "Otherwise the requested index was
>> > greater
>> than the length of the
>> > - string. Return string size + 1 as index,
>> indicate further that off
>> > the
>> > - string by setting character to nil and
>> > the
>> extent to 0."
>> > - lastIndex := lastIndex + 1.
>> > - lastCharacter := nil.
>> > - self lastCharacterExtentSetX: 0.
>> > - ^true].
>> > -
>> > - "Scanning for a point and either off the end of the line or off
>> the end
>> > of the string."
>> > - runStopIndex = text size
>> > - ifTrue: ["off end of string"
>> > - lastIndex := lastIndex + 1.
>> > - lastCharacter := nil.
>> > - self lastCharacterExtentSetX: 0.
>> > - ^true].
>> > - "just off end of line without crossing x"
>> > - lastIndex := lastIndex + 1.
>> > - ^true!
>> >
>> > Item was removed:
>> > - ----- Method: MultiCharacterBlockScanner>>indentationLevel: (in
>> category
>> > 'scanning') -----
>> > - indentationLevel: anInteger
>> > - super indentationLevel: anInteger.
>> > - nextLeftMargin := leftMargin.
>> > - indentationLevel timesRepeat: [
>> > - nextLeftMargin := textStyle nextTabXFrom: nextLeftMargin
>> > - leftMargin: leftMargin
>> > - rightMargin: rightMargin]!
>> >
>> > Item was removed:
>> > - ----- Method: MultiCharacterBlockScanner>>lastCharacterExtentSetX:
>> > (in
>> > category 'private') -----
>> > - lastCharacterExtentSetX: xVal
>> > - lastCharacterExtent := xVal @ lastCharacterExtent y!
>> >
>> > Item was removed:
>> > - ----- Method: MultiCharacterBlockScanner>>lastSpaceOrTabExtentSetX:
>> (in
>> > category 'private') -----
>> > - lastSpaceOrTabExtentSetX: xVal
>> > - lastSpaceOrTabExtent := xVal @ lastSpaceOrTabExtent y!
>> >
>> > Item was removed:
>> > - ----- Method: MultiCharacterBlockScanner>>paddedSpace (in category
>> 'stop
>> > conditions') -----
>> > - paddedSpace
>> > - "When the line is justified, the spaces will not be the same as
>> > the
>> > font's
>> > - space character. A padding of extra space must be considered in
>> trying
>> > - to find which character the cursor is pointing at. Answer whether
>> the
>> > - scanning has crossed the cursor."
>> > -
>> > - | pad |
>> > - pad := 0.
>> > - spaceCount := spaceCount + 1.
>> > - pad := line justifiedPadFor: spaceCount.
>> > - lastSpaceOrTabExtent := lastCharacterExtent copy.
>> > - self lastSpaceOrTabExtentSetX: spaceWidth + pad.
>> > - (destX + lastSpaceOrTabExtent x) >= characterPoint x
>> > - ifTrue: [lastCharacterExtent := lastSpaceOrTabExtent
>> > copy.
>> > - ^self crossedX].
>> > - lastIndex := lastIndex + 1.
>> > - destX := destX + lastSpaceOrTabExtent x.
>> > - ^ false
>> > - !
>> >
>> > Item was removed:
>> > - ----- Method: MultiCharacterBlockScanner>>placeEmbeddedObject: (in
>> > category 'scanning') -----
>> > - placeEmbeddedObject: anchoredMorph
>> > - "Workaround: The following should really use #textAnchorType"
>> > - anchoredMorph relativeTextAnchorPosition ifNotNil:[^true].
>> > - (super placeEmbeddedObject: anchoredMorph) ifFalse: [^ false].
>> > - specialWidth := anchoredMorph width.
>> > - ^ true!
>> >
>> > Item was removed:
>> > - ----- Method:
>> > MultiCharacterBlockScanner>>scanMultiCharactersCombiningFr
>> om:to:in:rightX:stopConditions:kern:
>> > (in category 'scanning') -----
>> > - scanMultiCharactersCombiningFrom: startIndex to: stopIndex in:
>> > sourceString rightX: rightX stopConditions: stops kern: kernDelta
>> > -
>> > - | encoding f nextDestX maxAscii startEncoding char charValue |
>> > - lastIndex := startIndex.
>> > - lastIndex > stopIndex ifTrue: [lastIndex := stopIndex. ^ stops
>> > at:
>> > EndOfRun].
>> > - startEncoding := (sourceString at: startIndex) leadingChar.
>> > - font ifNil: [font := (TextConstants at: #DefaultMultiStyle)
>> fontArray at:
>> > 1].
>> > - ((font isMemberOf: StrikeFontSet) or: [font isKindOf:
>> > TTCFontSet])
>> > ifTrue: [
>> > - [f := font fontArray at: startEncoding + 1]
>> > - on: Exception do: [:ex | f := font fontArray at:
>> 1].
>> > - f ifNil: [ f := font fontArray at: 1].
>> > - maxAscii := f maxAscii.
>> > - spaceWidth := f widthOf: Space.
>> > - ] ifFalse: [
>> > - maxAscii := font maxAscii.
>> > - ].
>> > -
>> > - [lastIndex <= stopIndex] whileTrue: [
>> > - encoding := (sourceString at: lastIndex) leadingChar.
>> > - encoding ~= startEncoding ifTrue: [lastIndex := lastIndex
>> - 1. ^ stops
>> > at: EndOfRun].
>> > - char := (sourceString at: lastIndex).
>> > - charValue := char charCode.
>> > - charValue > maxAscii ifTrue: [charValue := maxAscii].
>> > - (encoding = 0 and: [(stopConditions at: charValue + 1) ~~
>> nil]) ifTrue:
>> > [
>> > - ^ stops at: charValue + 1
>> > - ].
>> > - nextDestX := destX + (self widthOf: char inFont: font).
>> > - nextDestX > rightX ifTrue: [^ stops at: CrossedX].
>> > - destX := nextDestX + kernDelta.
>> > - lastIndex := lastIndex + 1.
>> > - ].
>> > - lastIndex := stopIndex.
>> > - ^ stops at: EndOfRun!
>> >
>> > Item was removed:
>> > - ----- Method: MultiCharacterBlockScanner>>setFont (in category 'stop
>> > conditions') -----
>> > - setFont
>> > - specialWidth := nil.
>> > - super setFont!
>> >
>> > Item was removed:
>> > - ----- Method: MultiCharacterBlockScanner>>setStopConditions (in
>> category
>> > 'stop conditions') -----
>> > - setStopConditions
>> > - "Set the font and the stop conditions for the current run."
>> > -
>> > - self setFont.
>> > - self setConditionArray: (alignment = Justified ifTrue:
>> [#paddedSpace]).
>> > - !
>> >
>> > Item was removed:
>> > - ----- Method: MultiCharacterBlockScanner>>tab (in category 'stop
>> > conditions') -----
>> > - tab
>> > - | currentX |
>> > - currentX := (alignment == Justified and: [self leadingTab not])
>> > - ifTrue: "imbedded tabs in justified text are
>> > weird"
>> > - [destX + (textStyle tabWidth - (line
>> justifiedTabDeltaFor: spaceCount))
>> > max: destX]
>> > - ifFalse:
>> > - [textStyle
>> > - nextTabXFrom: destX
>> > - leftMargin: leftMargin
>> > - rightMargin: rightMargin].
>> > - lastSpaceOrTabExtent := lastCharacterExtent copy.
>> > - self lastSpaceOrTabExtentSetX: (currentX - destX max: 0).
>> > - currentX >= characterPoint x
>> > - ifTrue:
>> > - [lastCharacterExtent := lastSpaceOrTabExtent
>> > copy.
>> > - ^ self crossedX].
>> > - destX := currentX.
>> > - lastIndex := lastIndex + 1.
>> > - ^false!
>> >
>> > Item was removed:
>> > - Object subclass: #MultiCharacterScanner
>> > - instanceVariableNames: 'destX lastIndex xTable destY
>> stopConditions text
>> > textStyle alignment leftMargin rightMargin font line runStopIndex
>> spaceCount
>> > spaceWidth emphasisCode kern indentationLevel wantsColumnBreaks
>> presentation
>> > presentationLine numOfComposition baselineY firstDestX'
>> > - classVariableNames: 'DefaultStopConditions NilCondition
>> > PaddedSpaceCondition SpaceCondition'
>> > - poolDictionaries: 'TextConstants'
>> > - category: 'Etoys-Squeakland-Multilingual-Scanning'!
>> >
>> > Item was removed:
>> > - ----- Method: MultiCharacterScanner class>>initialize (in category
>> 'class
>> > initialization') -----
>> > - initialize
>> > - "
>> > - MultiCharacterScanner initialize
>> > - "
>> > - | a |
>> > - a := Array new: 258.
>> > - a at: 1 + 1 put: #embeddedObject.
>> > - a at: Tab asciiValue + 1 put: #tab.
>> > - a at: CR asciiValue + 1 put: #cr.
>> > - a at: EndOfRun put: #endOfRun.
>> > - a at: CrossedX put: #crossedX.
>> > - NilCondition := a copy.
>> > - DefaultStopConditions := a copy.
>> > -
>> > - PaddedSpaceCondition := a copy.
>> > - PaddedSpaceCondition at: Space asciiValue + 1 put: #paddedSpace.
>> > -
>> > - SpaceCondition := a copy.
>> > - SpaceCondition at: Space asciiValue + 1 put: #space.
>> > - !
>> >
>> > Item was removed:
>> > - ----- Method: MultiCharacterScanner>>addCharToPresentation: (in
>> category
>> > 'multilingual scanning') -----
>> > - addCharToPresentation: char
>> > -
>> > - !
>> >
>> > Item was removed:
>> > - ----- Method: MultiCharacterScanner>>addEmphasis: (in category
>> 'private')
>> > -----
>> > - addEmphasis: code
>> > - "Set the bold-ital-under-strike emphasis."
>> > - emphasisCode := emphasisCode bitOr: code!
>> >
>> > Item was removed:
>> > - ----- Method: MultiCharacterScanner>>addKern: (in category 'private')
>> > -----
>> > - addKern: kernDelta
>> > - "Set the current kern amount."
>> > - kern := kern + kernDelta!
>> >
>> > Item was removed:
>> > - ----- Method:
>> > MultiCharacterScanner>>basicScanCharactersFrom:to:in:
>> rightX:stopConditions:kern:
>> > (in category 'scanning') -----
>> > - basicScanCharactersFrom: startIndex to: stopIndex in: sourceString
>> rightX:
>> > rightX stopConditions: stops kern: kernDelta
>> > - "Primitive. This is the inner loop of text display--but see
>> > - scanCharactersFrom: to:rightX: which would get the string,
>> > - stopConditions and displaying from the instance. March through
>> source
>> > - String from startIndex to stopIndex. If any character is flagged
>> with a
>> > - non-nil entry in stops, then return the corresponding value.
>> Determine
>> > - width of each character from xTable, indexed by map.
>> > - If dextX would exceed rightX, then return stops at: 258.
>> > - Advance destX by the width of the character. If stopIndex has
>> > been
>> > - reached, then return stops at: 257. Optional.
>> > - See Object documentation whatIsAPrimitive."
>> > - | ascii nextDestX char |
>> > - <primitive: 103>
>> > - lastIndex := startIndex.
>> > - [lastIndex <= stopIndex]
>> > - whileTrue:
>> > - [char := (sourceString at: lastIndex).
>> > - ascii := char asciiValue + 1.
>> > - (stops at: ascii) == nil ifFalse: [^stops at:
>> ascii].
>> > - "Note: The following is querying the font about
>> the width
>> > - since the primitive may have failed due to a
>> non-trivial
>> > - mapping of characters to glyphs or a non-existing
>> xTable."
>> > - nextDestX := destX + (font widthOf: char).
>> > - nextDestX > rightX ifTrue: [^stops at: CrossedX].
>> > - destX := nextDestX + kernDelta.
>> > - lastIndex := lastIndex + 1].
>> > - lastIndex := stopIndex.
>> > - ^stops at: EndOfRun!
>> >
>> > Item was removed:
>> > - ----- Method: MultiCharacterScanner>>columnBreak (in category
>> 'scanning')
>> > -----
>> > - columnBreak
>> > -
>> > - ^true!
>> >
>> > Item was removed:
>> > - ----- Method: MultiCharacterScanner>>combinableChar:for: (in category
>> > 'scanner methods') -----
>> > - combinableChar: char for: prevEntity
>> > -
>> > - !
>> >
>> > Item was removed:
>> > - ----- Method: MultiCharacterScanner>>embeddedObject (in category
>> > 'scanning') -----
>> > - embeddedObject
>> > - | savedIndex |
>> > - savedIndex := lastIndex.
>> > - text attributesAt: lastIndex do:[:attr|
>> > - attr anchoredMorph ifNotNil:[
>> > - "Following may look strange but logic gets
>> reversed.
>> > - If the morph fits on this line we're not done
>> (return false for true)
>> > - and if the morph won't fit we're done (return
>> > true
>> for false)"
>> > - (self placeEmbeddedObject: attr anchoredMorph)
>> ifFalse:[^true]]].
>> > - lastIndex := savedIndex + 1. "for multiple(!!) embedded morphs"
>> > - ^false!
>> >
>> > Item was removed:
>> > - ----- Method: MultiCharacterScanner>>handleIndentation (in category
>> > 'scanning') -----
>> > - handleIndentation
>> > - self indentationLevel timesRepeat: [
>> > - self plainTab]!
>> >
>> > Item was removed:
>> > - ----- Method: MultiCharacterScanner>>indentationLevel (in category
>> > 'scanning') -----
>> > - indentationLevel
>> > - "return the number of tabs that are currently being placed at the
>> > beginning of each line"
>> > - ^indentationLevel ifNil:[0]!
>> >
>> > Item was removed:
>> > - ----- Method: MultiCharacterScanner>>indentationLevel: (in category
>> > 'scanning') -----
>> > - indentationLevel: anInteger
>> > - "set the number of tabs to put at the beginning of each line"
>> > - indentationLevel := anInteger!
>> >
>> > Item was removed:
>> > - ----- Method: MultiCharacterScanner>>initialize (in category
>> 'initialize')
>> > -----
>> > - initialize
>> > - destX := destY := leftMargin := 0.!
>> >
>> > Item was removed:
>> > - ----- Method: MultiCharacterScanner>>initializeFromParagraph:
>> clippedBy:
>> > (in category 'private') -----
>> > - initializeFromParagraph: aParagraph clippedBy: clippingRectangle
>> > -
>> > - text := aParagraph text.
>> > - textStyle := aParagraph textStyle.
>> > - !
>> >
>> > Item was removed:
>> > - ----- Method: MultiCharacterScanner>>initializeStringMeasurer (in
>> category
>> > 'initialize') -----
>> > - initializeStringMeasurer
>> > - stopConditions := Array new: 258.
>> > - stopConditions at: CrossedX put: #crossedX.
>> > - stopConditions at: EndOfRun put: #endOfRun.
>> > - !
>> >
>> > Item was removed:
>> > - ----- Method: MultiCharacterScanner>>isBreakableAt:in:in: (in
>> > category
>> > 'scanner methods') -----
>> > - isBreakableAt: index in: sourceString in: encodingClass
>> > -
>> > - ^ encodingClass isBreakableAt: index in: sourceString.
>> > - !
>> >
>> > Item was removed:
>> > - ----- Method: MultiCharacterScanner>>leadingTab (in category
>> 'scanning')
>> > -----
>> > - leadingTab
>> > - "return true if only tabs lie to the left"
>> > - line first to: lastIndex do:
>> > - [:i | (text at: i) == Tab ifFalse: [^ false]].
>> > - ^ true!
>> >
>> > Item was removed:
>> > - ----- Method: MultiCharacterScanner>>measureString:inFont:from:to:
>> > (in
>> > category 'scanning') -----
>> > - measureString: aString inFont: aFont from: startIndex to: stopIndex
>> > - "WARNING: In order to use this method the receiver has to be set
>> up using
>> > #initializeStringMeasurer"
>> > - destX := destY := lastIndex := 0.
>> > - baselineY := aFont ascent.
>> > - xTable := aFont xTable.
>> > - font := aFont. " added Dec 03, 2004 "
>> > - " map := aFont characterToGlyphMap."
>> > - self scanCharactersFrom: startIndex to: stopIndex in: aString
>> rightX:
>> > 999999 stopConditions: stopConditions kern: 0.
>> > - ^destX!
>> >
>> > Item was removed:
>> > - ----- Method: MultiCharacterScanner>>placeEmbeddedObject: (in
>> > category
>> > 'scanning') -----
>> > - placeEmbeddedObject: anchoredMorph
>> > - "Place the anchoredMorph or return false if it cannot be placed.
>> > - In any event, advance destX by its width."
>> > - | w |
>> > - "Workaround: The following should really use #textAnchorType"
>> > - anchoredMorph relativeTextAnchorPosition ifNotNil:[^true].
>> > - destX := destX + (w := anchoredMorph width).
>> > - (destX > rightMargin and: [(leftMargin + w) <= rightMargin])
>> > - ifTrue: ["Won't fit, but would on next line"
>> > - ^ false].
>> > - lastIndex := lastIndex + 1.
>> > - self setFont. "Force recalculation of emphasis for next run"
>> > - ^ true!
>> >
>> > Item was removed:
>> > - ----- Method: MultiCharacterScanner>>plainTab (in category
>> > 'scanning')
>> > -----
>> > - plainTab
>> > - "This is the basic method of adjusting destX for a tab."
>> > - destX := (alignment == Justified and: [self leadingTab not])
>> > - ifTrue: "embedded tabs in justified text are
>> > weird"
>> > - [destX + (textStyle tabWidth - (line
>> justifiedTabDeltaFor: spaceCount))
>> > max: destX]
>> > - ifFalse:
>> > - [textStyle nextTabXFrom: destX
>> > - leftMargin: leftMargin
>> > - rightMargin: rightMargin]!
>> >
>> > Item was removed:
>> > - ----- Method: MultiCharacterScanner>>registerBreakableIndex (in
>> category
>> > 'multilingual scanning') -----
>> > - registerBreakableIndex
>> > -
>> > - "Record left x and character index of the line-wrappable point.
>> > - The default implementation here does nothing."
>> > -
>> > - ^ false.
>> > - !
>> >
>> > Item was removed:
>> > - ----- Method: MultiCharacterScanner>>removeLastCharFromPresentation
>> (in
>> > category 'multilingual scanning') -----
>> > - removeLastCharFromPresentation
>> > - !
>> >
>> > Item was removed:
>> > - ----- Method:
>> > MultiCharacterScanner>>scanCharactersFrom:to:in:
>> rightX:stopConditions:kern:
>> > (in category 'scanning') -----
>> > - scanCharactersFrom: startIndex to: stopIndex in: sourceString rightX:
>> > rightX stopConditions: stops kern: kernDelta
>> > -
>> > - | startEncoding selector |
>> > - (sourceString isByteString) ifTrue: [^ self
>> basicScanCharactersFrom:
>> > startIndex to: stopIndex in: sourceString rightX: rightX
>> > stopConditions:
>> > stops kern: kernDelta.].
>> > -
>> > - (sourceString isWideString) ifTrue: [
>> > - startIndex > stopIndex ifTrue: [lastIndex := stopIndex. ^
>> stops at:
>> > EndOfRun].
>> > - startEncoding := (sourceString at: startIndex)
>> leadingChar.
>> > - selector := EncodedCharSet scanSelectorAt: startEncoding.
>> > - ^ self perform: selector withArguments: (Array with:
>> startIndex with:
>> > stopIndex with: sourceString with: rightX with: stopConditions with:
>> > kernDelta).
>> > - ].
>> > -
>> > - ^ stops at: EndOfRun
>> > - !
>> >
>> > Item was removed:
>> > - ----- Method:
>> > MultiCharacterScanner>>scanJapaneseCharactersFrom:to:
>> in:rightX:stopConditions:kern:
>> > (in category 'scanner methods') -----
>> > - scanJapaneseCharactersFrom: startIndex to: stopIndex in: sourceString
>> > rightX: rightX stopConditions: stops kern: kernDelta
>> > -
>> > - | ascii encoding f nextDestX maxAscii startEncoding |
>> > - lastIndex := startIndex.
>> > - lastIndex > stopIndex ifTrue: [lastIndex := stopIndex. ^ stops
>> > at:
>> > EndOfRun].
>> > - startEncoding := (sourceString at: startIndex) leadingChar.
>> > - font ifNil: [font := (TextConstants at: #DefaultMultiStyle)
>> fontArray at:
>> > 1].
>> > - ((font isMemberOf: StrikeFontSet) or: [font isKindOf:
>> > TTCFontSet])
>> > ifTrue: [
>> > - [f := font fontArray at: startEncoding + 1]
>> > - on: Exception do: [:ex | f := font fontArray at:
>> 1].
>> > - f ifNil: [ f := font fontArray at: 1].
>> > - maxAscii := f maxAscii.
>> > - "xTable := f xTable.
>> > - maxAscii := xTable size - 2."
>> > - spaceWidth := f widthOf: Space.
>> > - ] ifFalse: [
>> > - (font isMemberOf: HostFont) ifTrue: [
>> > - f := font.
>> > - maxAscii := f maxAscii.
>> > - spaceWidth := f widthOf: Space.
>> > - ] ifFalse: [
>> > - maxAscii := font maxAscii.
>> > - ].
>> > - ].
>> > - [lastIndex <= stopIndex] whileTrue: [
>> > - "self halt."
>> > - encoding := (sourceString at: lastIndex) leadingChar.
>> > - encoding ~= startEncoding ifTrue: [lastIndex := lastIndex
>> - 1. ^ stops
>> > at: EndOfRun].
>> > - ascii := (sourceString at: lastIndex) charCode.
>> > - ascii > maxAscii ifTrue: [ascii := maxAscii].
>> > - (encoding = 0 and: [(stopConditions at: ascii + 1) ~~
>> nil]) ifTrue: [^
>> > stops at: ascii + 1].
>> > - (self isBreakableAt: lastIndex in: sourceString in:
>> (EncodedCharSet
>> > charsetAt: encoding)) ifTrue: [
>> > - self registerBreakableIndex.
>> > - ].
>> > - nextDestX := destX + (font widthOf: (sourceString at:
>> lastIndex)).
>> > - nextDestX > rightX ifTrue: [firstDestX ~= destX ifTrue:
>> > [^
>> stops at:
>> > CrossedX]].
>> > - destX := nextDestX + kernDelta.
>> > - lastIndex := lastIndex + 1.
>> > - ].
>> > - lastIndex := stopIndex.
>> > - ^ stops at: EndOfRun!
>> >
>> > Item was removed:
>> > - ----- Method:
>> > MultiCharacterScanner>>scanMultiCharactersCombiningFrom:to:in:rightX:
>> stopConditions:kern:
>> > (in category 'scanner methods') -----
>> > - scanMultiCharactersCombiningFrom: startIndex to: stopIndex in:
>> > sourceString rightX: rightX stopConditions: stops kern: kernDelta
>> > -
>> > - | charCode encoding f maxAscii startEncoding combining combined
>> > combiningIndex c |
>> > - lastIndex := startIndex.
>> > - lastIndex > stopIndex ifTrue: [lastIndex := stopIndex. ^ stops
>> > at:
>> > EndOfRun].
>> > - startEncoding := (sourceString at: startIndex) leadingChar.
>> > - font ifNil: [font := (TextConstants at: #DefaultMultiStyle)
>> fontArray at:
>> > 1].
>> > - ((font isMemberOf: StrikeFontSet) or: [font isKindOf:
>> > TTCFontSet])
>> > ifTrue: [
>> > - [f := font fontArray at: startEncoding + 1]
>> > - on: Exception do: [:ex | f := font fontArray at:
>> 1].
>> > - f ifNil: [ f := font fontArray at: 1].
>> > - maxAscii := f maxAscii.
>> > - spaceWidth := font widthOf: Space.
>> > - ] ifFalse: [
>> > - maxAscii := font maxAscii.
>> > - spaceWidth := font widthOf: Space.
>> > - ].
>> > -
>> > - combining := nil.
>> > - [lastIndex <= stopIndex] whileTrue: [
>> > - charCode := (sourceString at: lastIndex) charCode.
>> > - c := (sourceString at: lastIndex).
>> > - combining ifNil: [
>> > - combining := CombinedChar new.
>> > - combining add: c.
>> > - combiningIndex := lastIndex.
>> > - lastIndex := lastIndex + 1.
>> > - ] ifNotNil: [
>> > - (combining add: c) ifFalse: [
>> > - self addCharToPresentation: (combined :=
>> combining combined).
>> > - combining := CombinedChar new.
>> > - combining add: c.
>> > - charCode := combined charCode.
>> > - encoding := combined leadingChar.
>> > - encoding ~= startEncoding ifTrue:
>> [lastIndex := lastIndex - 1.
>> > - (encoding = 0 and:
>> [(stopConditions at: charCode + 1) ~~ nil])
>> > ifTrue: [
>> > - ^ stops at: charCode + 1
>> > - ] ifFalse: [
>> > - ^ stops at: EndOfRun
>> > - ].
>> > - ].
>> > - charCode > maxAscii ifTrue: [charCode :=
>> maxAscii].
>> > - ""
>> > - (encoding = 0 and: [(stopConditions at:
>> charCode + 1) ~~ nil]) ifTrue:
>> > [
>> > - combining ifNotNil: [
>> > - self
>> addCharToPresentation: (combining combined).
>> > - ].
>> > - ^ stops at: charCode + 1
>> > - ].
>> > - (self isBreakableAt: lastIndex in:
>> sourceString in: Latin1Environment)
>> > ifTrue: [
>> > - self registerBreakableIndex.
>> > - ].
>> > - destX > rightX ifTrue: [
>> > - destX ~= firstDestX ifTrue: [
>> > - lastIndex :=
>> combiningIndex.
>> > - self
>> removeLastCharFromPresentation.
>> > - ^ stops at: CrossedX]].
>> > - combiningIndex := lastIndex.
>> > - lastIndex := lastIndex + 1.
>> > - ] ifTrue: [
>> > - lastIndex := lastIndex + 1.
>> > - numOfComposition := numOfComposition + 1.
>> > - ].
>> > - ].
>> > - ].
>> > - lastIndex := stopIndex.
>> > - combining ifNotNil: [
>> > - combined := combining combined.
>> > - self addCharToPresentation: combined.
>> > - "assuming that there is always enough space for at least
>> one character".
>> > - destX := destX + (self widthOf: combined inFont: font).
>> > - ].
>> > - ^ stops at: EndOfRun!
>> >
>> > Item was removed:
>> > - ----- Method:
>> > MultiCharacterScanner>>scanMultiCharactersFrom:to:in:
>> rightX:stopConditions:kern:
>> > (in category 'scanning') -----
>> > - scanMultiCharactersFrom: startIndex to: stopIndex in: sourceString
>> rightX:
>> > rightX stopConditions: stops kern: kernDelta
>> > -
>> > - | ascii encoding f nextDestX maxAscii startEncoding |
>> > - lastIndex := startIndex.
>> > - lastIndex > stopIndex ifTrue: [lastIndex := stopIndex. ^ stops
>> > at:
>> > EndOfRun].
>> > - startEncoding := (sourceString at: startIndex) leadingChar.
>> > - font ifNil: [font := (TextConstants at: #DefaultMultiStyle)
>> fontArray at:
>> > 1].
>> > - ((font isMemberOf: StrikeFontSet) or: [font isKindOf:
>> > TTCFontSet])
>> > ifTrue: [
>> > - [f := font fontArray at: startEncoding + 1]
>> > - on: Exception do: [:ex | f := font fontArray at:
>> 1].
>> > - f ifNil: [ f := font fontArray at: 1].
>> > - maxAscii := f maxAscii.
>> > - spaceWidth := f widthOf: Space.
>> > - ] ifFalse: [
>> > - maxAscii := font maxAscii.
>> > - ].
>> > -
>> > - [lastIndex <= stopIndex] whileTrue: [
>> > - encoding := (sourceString at: lastIndex) leadingChar.
>> > - encoding ~= startEncoding ifTrue: [lastIndex := lastIndex
>> - 1. ^ stops
>> > at: EndOfRun].
>> > - ascii := (sourceString at: lastIndex) charCode.
>> > - ascii > maxAscii ifTrue: [ascii := maxAscii].
>> > - (encoding = 0 and: [ascii < stopConditions size and:
>> [(stopConditions
>> > at: ascii + 1) ~~ nil]]) ifTrue: [^ stops at: ascii + 1].
>> > - (self isBreakableAt: lastIndex in: sourceString in:
>> Latin1Environment)
>> > ifTrue: [
>> > - self registerBreakableIndex.
>> > - ].
>> > - nextDestX := destX + (font widthOf: (sourceString at:
>> lastIndex)).
>> > - nextDestX > rightX ifTrue: [destX ~= firstDestX ifTrue:
>> > [^
>> stops at:
>> > CrossedX]].
>> > - destX := nextDestX + kernDelta.
>> > - lastIndex := lastIndex + 1.
>> > - ].
>> > - lastIndex := stopIndex.
>> > - ^ stops at: EndOfRun!
>> >
>> > Item was removed:
>> > - ----- Method:
>> > MultiCharacterScanner>>scanMultiCharactersR2LFrom:to:
>> in:rightX:stopConditions:kern:
>> > (in category 'scanner methods') -----
>> > - scanMultiCharactersR2LFrom: startIndex to: stopIndex in: sourceString
>> > rightX: rightX stopConditions: stops kern: kernDelta
>> > -
>> > - "Note that 'rightX' really means 'endX' in R2L context. Ie.
>> rightX is
>> > usually smaller than destX."
>> > - | ascii encoding f nextDestX maxAscii startEncoding |
>> > - lastIndex := startIndex.
>> > - lastIndex > stopIndex ifTrue: [lastIndex := stopIndex. ^ stops
>> > at:
>> > EndOfRun].
>> > - startEncoding := (sourceString at: startIndex) leadingChar.
>> > - font ifNil: [font := (TextConstants at: #DefaultMultiStyle)
>> fontArray at:
>> > 1].
>> > - ((font isMemberOf: StrikeFontSet) or: [font isKindOf:
>> > TTCFontSet])
>> > ifTrue: [
>> > - [f := font fontArray at: startEncoding + 1]
>> > - on: Exception do: [:ex | f := font fontArray at:
>> 1].
>> > - f ifNil: [ f := font fontArray at: 1].
>> > - maxAscii := f maxAscii.
>> > - spaceWidth := f widthOf: Space.
>> > - ] ifFalse: [
>> > - maxAscii := font maxAscii.
>> > - ].
>> > -
>> > - [lastIndex <= stopIndex] whileTrue: [
>> > - encoding := (sourceString at: lastIndex) leadingChar.
>> > - encoding ~= startEncoding ifTrue: [lastIndex := lastIndex
>> - 1. ^ stops
>> > at: EndOfRun].
>> > - ascii := (sourceString at: lastIndex) charCode.
>> > - ascii > maxAscii ifTrue: [ascii := maxAscii].
>> > - (encoding = 0 and: [(stopConditions at: ascii + 1) ~~
>> nil]) ifTrue: [^
>> > stops at: ascii + 1].
>> > - (self isBreakableAt: lastIndex in: sourceString in:
>> Latin1Environment)
>> > ifTrue: [
>> > - self registerBreakableIndex.
>> > - ].
>> > - nextDestX := destX - (font widthOf: (sourceString at:
>> lastIndex)).
>> > - nextDestX < rightX ifTrue: [^ stops at: CrossedX].
>> > - destX := nextDestX - kernDelta.
>> > - lastIndex := lastIndex + 1.
>> > - ].
>> > - lastIndex := stopIndex.
>> > - ^ stops at: EndOfRun!
>> >
>> > Item was removed:
>> > - ----- Method:
>> > MultiCharacterScanner>>scanSimChineseCharactersFrom:
>> to:in:rightX:stopConditions:kern:
>> > (in category 'scanner methods') -----
>> > - scanSimChineseCharactersFrom: startIndex to: stopIndex in:
>> > sourceString
>> > rightX: rightX stopConditions: stops kern: kernDelta
>> > -
>> > - | ascii encoding f nextDestX maxAscii startEncoding |
>> > - lastIndex := startIndex.
>> > - lastIndex > stopIndex ifTrue: [lastIndex := stopIndex. ^ stops
>> > at:
>> > EndOfRun].
>> > - startEncoding := (sourceString at: startIndex) leadingChar.
>> > - font ifNil: [font := (TextConstants at: #DefaultMultiStyle)
>> fontArray at:
>> > 1].
>> > - ((font isMemberOf: StrikeFontSet) or: [font isKindOf:
>> > TTCFontSet])
>> > ifTrue: [
>> > - [f := font fontArray at: startEncoding + 1]
>> > - on: Exception do: [:ex | f := font fontArray at:
>> 1].
>> > - f ifNil: [ f := font fontArray at: 1].
>> > - maxAscii := f maxAscii.
>> > - "xTable := f xTable.
>> > - maxAscii := xTable size - 2."
>> > - spaceWidth := f widthOf: Space.
>> > - ] ifFalse: [
>> > - (font isMemberOf: HostFont) ifTrue: [
>> > - f := font.
>> > - maxAscii := f maxAscii.
>> > - spaceWidth := f widthOf: Space.
>> > - ] ifFalse: [
>> > - maxAscii := font maxAscii.
>> > - ].
>> > - ].
>> > - [lastIndex <= stopIndex] whileTrue: [
>> > - "self halt."
>> > - encoding := (sourceString at: lastIndex) leadingChar.
>> > - encoding ~= startEncoding ifTrue: [lastIndex := lastIndex
>> - 1. ^ stops
>> > at: EndOfRun].
>> > - ascii := (sourceString at: lastIndex) charCode.
>> > - ascii > maxAscii ifTrue: [ascii := maxAscii].
>> > - (encoding = 0 and: [(stopConditions at: ascii + 1) ~~
>> nil]) ifTrue: [^
>> > stops at: ascii + 1].
>> > - (self isBreakableAt: lastIndex in: sourceString in:
>> (EncodedCharSet
>> > charsetAt: encoding)) ifTrue: [
>> > - self registerBreakableIndex.
>> > - ].
>> > - nextDestX := destX + (font widthOf: (sourceString at:
>> lastIndex)).
>> > - nextDestX > rightX ifTrue: [firstDestX ~= destX ifTrue:
>> > [^
>> stops at:
>> > CrossedX]].
>> > - destX := nextDestX + kernDelta.
>> > - lastIndex := lastIndex + 1.
>> > - ].
>> > - lastIndex := stopIndex.
>> > - ^ stops at: EndOfRun!
>> >
>> > Item was removed:
>> > - ----- Method: MultiCharacterScanner>>setActualFont: (in category
>> > 'private') -----
>> > - setActualFont: aFont
>> > - "Set the basal font to an isolated font reference."
>> > -
>> > - font := aFont!
>> >
>> > Item was removed:
>> > - ----- Method: MultiCharacterScanner>>setAlignment: (in category
>> 'private')
>> > -----
>> > - setAlignment: style
>> > - alignment := style.
>> > - !
>> >
>> > Item was removed:
>> > - ----- Method: MultiCharacterScanner>>setConditionArray: (in category
>> > 'private') -----
>> > - setConditionArray: aSymbol
>> > -
>> > - aSymbol == #paddedSpace ifTrue: [^stopConditions :=
>> PaddedSpaceCondition
>> > "copy"].
>> > - "aSymbol == #space ifTrue: [^stopConditions := SpaceCondition
>> copy]."
>> > - aSymbol == nil ifTrue: [^stopConditions := NilCondition "copy"].
>> > - self error: 'undefined stopcondition for space character'.
>> > - !
>> >
>> > Item was removed:
>> > - ----- Method: MultiCharacterScanner>>setFont (in category 'private')
>> -----
>> > - setFont
>> > - | priorFont |
>> > - "Set the font and other emphasis."
>> > - priorFont := font.
>> > - text == nil ifFalse:[
>> > - emphasisCode := 0.
>> > - kern := 0.
>> > - indentationLevel := 0.
>> > - alignment := textStyle alignment.
>> > - font := nil.
>> > - (text attributesAt: lastIndex forStyle: textStyle)
>> > - do: [:att | att emphasizeScanner: self]].
>> > - font == nil ifTrue:
>> > - [self setFont: textStyle defaultFontIndex].
>> > - font := font emphasized: emphasisCode.
>> > - priorFont ifNotNil: [destX := destX + priorFont descentKern].
>> > - destX := destX - font descentKern.
>> > - "NOTE: next statement should be removed when clipping works"
>> > - leftMargin ifNotNil: [destX := destX max: leftMargin].
>> > - kern := kern - font baseKern.
>> > -
>> > - "Install various parameters from the font."
>> > - spaceWidth := font widthOf: Space.
>> > - xTable := font xTable.
>> > - " map := font characterToGlyphMap."
>> > - stopConditions := DefaultStopConditions.!
>> >
>> > Item was removed:
>> > - ----- Method: MultiCharacterScanner>>setFont: (in category 'private')
>> > -----
>> > - setFont: fontNumber
>> > - "Set the font by number from the textStyle."
>> > -
>> > - self setActualFont: (textStyle fontAt: fontNumber)!
>> >
>> > Item was removed:
>> > - ----- Method: MultiCharacterScanner>>text:textStyle: (in category
>> > 'private') -----
>> > - text: t textStyle: ts
>> > - text := t.
>> > - textStyle := ts!
>> >
>> > Item was removed:
>> > - ----- Method: MultiCharacterScanner>>textColor: (in category
>> 'private')
>> > -----
>> > - textColor: ignored
>> > - "Overridden in DisplayScanner"!
>> >
>> > Item was removed:
>> > - ----- Method: MultiCharacterScanner>>wantsColumnBreaks: (in category
>> > 'initialize') -----
>> > - wantsColumnBreaks: aBoolean
>> > -
>> > - wantsColumnBreaks := aBoolean!
>> >
>> > Item was removed:
>> > - ----- Method: MultiCharacterScanner>>widthOf:inFont: (in category
>> > 'multilingual scanning') -----
>> > - widthOf: char inFont: aFont
>> > -
>> > - (char isMemberOf: CombinedChar) ifTrue: [
>> > - ^ aFont widthOf: char base.
>> > - ] ifFalse: [
>> > - ^ aFont widthOf: char.
>> > - ].
>> > -
>> > -
>> > - !
>> >
>> > Item was removed:
>> > - MultiCharacterScanner subclass: #MultiCompositionScanner
>> > - instanceVariableNames: 'spaceX lineHeight baseline breakableIndex
>> > lineHeightAtBreak baselineAtBreak breakAtSpace lastWidth'
>> > - classVariableNames: ''
>> > - poolDictionaries: ''
>> > - category: 'Etoys-Squeakland-Multilingual-Scanning'!
>> >
>> > Item was removed:
>> > - ----- Method: MultiCompositionScanner>>addCharToPresentation: (in
>> category
>> > 'multilingual scanning') -----
>> > - addCharToPresentation: char
>> > -
>> > - presentation nextPut: char.
>> > - lastWidth := self widthOf: char inFont: font.
>> > - destX := destX + lastWidth.
>> > - !
>> >
>> > Item was removed:
>> > - ----- Method: MultiCompositionScanner>>columnBreak (in category 'stop
>> > conditions') -----
>> > - columnBreak
>> > -
>> > - "Answer true. Set up values for the text line interval currently
>> being
>> > - composed."
>> > -
>> > - line stop: lastIndex.
>> > - presentationLine stop: lastIndex - numOfComposition.
>> > - spaceX := destX.
>> > - line paddingWidth: rightMargin - spaceX.
>> > - presentationLine paddingWidth: rightMargin - spaceX.
>> > - ^true!
>> >
>> > Item was removed:
>> > - ----- Method:
>> > MultiCompositionScanner>>composeFrom:inRectangle:
>> firstLine:leftSide:rightSide:
>> > (in category 'scanning') -----
>> > - composeFrom: startIndex inRectangle: lineRectangle
>> > - firstLine: firstLine leftSide: leftSide rightSide: rightSide
>> > - "Answer an instance of TextLineInterval that represents the next
>> line in
>> > the paragraph."
>> > - | runLength done stopCondition |
>> > - "Set up margins"
>> > - leftMargin := lineRectangle left.
>> > - leftSide ifTrue: [leftMargin := leftMargin +
>> > - (firstLine ifTrue:
>> [textStyle firstIndent]
>> > - ifFalse:
>> [textStyle restIndent])].
>> > - destX := spaceX := leftMargin.
>> > - firstDestX := destX.
>> > - rightMargin := lineRectangle right.
>> > - rightSide ifTrue: [rightMargin := rightMargin - textStyle
>> rightIndent].
>> > - lastIndex := startIndex. "scanning sets last index"
>> > - destY := lineRectangle top.
>> > - lineHeight := baseline := 0. "Will be increased by setFont"
>> > - self setStopConditions. "also sets font"
>> > - runLength := text runLengthFor: startIndex.
>> > - runStopIndex := (lastIndex := startIndex) + (runLength - 1).
>> > - line := (TextLine start: lastIndex stop: 0 internalSpaces: 0
>> > paddingWidth: 0)
>> > - rectangle: lineRectangle.
>> > - presentationLine := (TextLine start: lastIndex stop: 0
>> internalSpaces: 0
>> > paddingWidth: 0)
>> > - rectangle: lineRectangle.
>> > - numOfComposition := 0.
>> > - spaceCount := 0.
>> > - self handleIndentation.
>> > - leftMargin := destX.
>> > - line leftMargin: leftMargin.
>> > - presentationLine leftMargin: leftMargin.
>> > -
>> > - presentation := TextStream on: (Text fromString: (WideString new:
>> text
>> > size)).
>> > -
>> > - done := false.
>> > - [done]
>> > - whileFalse:
>> > - [stopCondition := self scanCharactersFrom:
>> lastIndex to: runStopIndex
>> > - in: text string rightX: rightMargin
>> stopConditions: stopConditions
>> > - kern: kern.
>> > - "See setStopConditions for stopping conditions
>> > for
>> composing."
>> > - (self perform: stopCondition)
>> > - ifTrue: [presentationLine lineHeight:
>> lineHeight + textStyle leading
>> > - baseline:
>> > baseline
>> + textStyle leading.
>> > - ^ line lineHeight:
>> lineHeight + textStyle leading
>> > - baseline:
>> > baseline
>> + textStyle leading]]!
>> >
>> > Item was removed:
>> > - ----- Method:
>> > MultiCompositionScanner>>composeLine:fromCharacterIndex:inParagraph:
>> > (in
>> > category 'scanning') -----
>> > - composeLine: lineIndex fromCharacterIndex: startIndex inParagraph:
>> > aParagraph
>> > - "Answer an instance of TextLineInterval that represents the next
>> line in
>> > the paragraph."
>> > - | runLength done stopCondition |
>> > - destX := spaceX := leftMargin := aParagraph
>> > leftMarginForCompositionForLine: lineIndex.
>> > - destY := 0.
>> > - rightMargin := aParagraph rightMarginForComposition.
>> > - leftMargin >= rightMargin ifTrue: [self error: 'No room between
>> margins
>> > to compose'].
>> > - lastIndex := startIndex. "scanning sets last index"
>> > - lineHeight := textStyle lineGrid. "may be increased by
>> setFont:..."
>> > - baseline := textStyle baseline.
>> > - baselineY := destY + baseline.
>> > - self setStopConditions. "also sets font"
>> > - self handleIndentation.
>> > - runLength := text runLengthFor: startIndex.
>> > - runStopIndex := (lastIndex := startIndex) + (runLength - 1).
>> > - line := TextLineInterval
>> > - start: lastIndex
>> > - stop: 0
>> > - internalSpaces: 0
>> > - paddingWidth: 0.
>> > - presentationLine := TextLineInterval
>> > - start: lastIndex
>> > - stop: 0
>> > - internalSpaces: 0
>> > - paddingWidth: 0.
>> > - numOfComposition := 0.
>> > - presentation := TextStream on: (Text fromString: (WideString new:
>> text
>> > size)).
>> > - spaceCount := 0.
>> > - done := false.
>> > - [done]
>> > - whileFalse:
>> > - [stopCondition := self scanCharactersFrom:
>> lastIndex to: runStopIndex
>> > - in: text string rightX: rightMargin
>> stopConditions: stopConditions
>> > - kern: kern.
>> > - "See setStopConditions for stopping conditions
>> > for
>> composing."
>> > - (self perform: stopCondition)
>> > - ifTrue: [presentationLine lineHeight:
>> lineHeight + textStyle leading
>> > - baseline:
>> > baseline
>> + textStyle leading.
>> > - ^line lineHeight:
>> lineHeight + textStyle leading
>> > - baseline:
>> > baseline
>> + textStyle leading]]!
>> >
>> > Item was removed:
>> > - ----- Method: MultiCompositionScanner>>cr (in category 'stop
>> conditions')
>> > -----
>> > - cr
>> > - "Answer true. Set up values for the text line interval currently
>> being
>> > - composed."
>> > -
>> > - line stop: lastIndex.
>> > - presentationLine stop: lastIndex - numOfComposition.
>> > - spaceX := destX.
>> > - line paddingWidth: rightMargin - spaceX.
>> > - presentationLine paddingWidth: rightMargin - spaceX.
>> > - ^true!
>> >
>> > Item was removed:
>> > - ----- Method: MultiCompositionScanner>>crossedX (in category 'stop
>> > conditions') -----
>> > - crossedX
>> > - "There is a word that has fallen across the right edge of the
>> composition
>> > - rectangle. This signals the need for wrapping which is done to
>> > the
>> last
>> > - space that was encountered, as recorded by the space stop
>> condition."
>> > -
>> > - (breakAtSpace) ifTrue: [
>> > - spaceCount >= 1 ifTrue:
>> > - ["The common case. First back off to the space at
>> which we wrap."
>> > - line stop: breakableIndex.
>> > - presentationLine stop: breakableIndex -
>> numOfComposition.
>> > - lineHeight := lineHeightAtBreak.
>> > - baseline := baselineAtBreak.
>> > - spaceCount := spaceCount - 1.
>> > - breakableIndex := breakableIndex - 1.
>> > -
>> > - "Check to see if any spaces preceding the one at
>> which we wrap.
>> > - Double space after punctuation, most
>> likely."
>> > - [(spaceCount > 1 and: [(text at: breakableIndex)
>> > =
>> Space])]
>> > - whileTrue:
>> > - [spaceCount := spaceCount - 1.
>> > - "Account for backing over a run
>> which might
>> > - change width of space."
>> > - font := text fontAt:
>> breakableIndex withStyle: textStyle.
>> > - breakableIndex := breakableIndex
>> > -
>> 1.
>> > - spaceX := spaceX - (font widthOf:
>> Space)].
>> > - line paddingWidth: rightMargin - spaceX.
>> > - presentationLine paddingWidth: rightMargin -
>> spaceX.
>> > - presentationLine internalSpaces: spaceCount.
>> > - line internalSpaces: spaceCount]
>> > - ifFalse:
>> > - ["Neither internal nor trailing spaces -- almost
>> never happens."
>> > - lastIndex := lastIndex - 1.
>> > - [destX <= rightMargin]
>> > - whileFalse:
>> > - [destX := destX - (font widthOf:
>> (text at: lastIndex)).
>> > - lastIndex := lastIndex - 1].
>> > - spaceX := destX.
>> > - line paddingWidth: rightMargin - destX.
>> > - presentationLine paddingWidth: rightMargin -
>> > destX.
>> > - presentationLine stop: (lastIndex max: line
>> > first).
>> > - line stop: (lastIndex max: line first)].
>> > - ^true
>> > - ].
>> > -
>> > - (breakableIndex isNil or: [breakableIndex < line first]) ifTrue:
>> > [
>> > - "Any breakable point in this line. Just wrap last
>> character."
>> > - breakableIndex := lastIndex - 1.
>> > - lineHeightAtBreak := lineHeight.
>> > - baselineAtBreak := baseline.
>> > - ].
>> > -
>> > - "It wasn't a space, but anyway this is where we break the line."
>> > - line stop: breakableIndex.
>> > - presentationLine stop: breakableIndex.
>> > - lineHeight := lineHeightAtBreak.
>> > - baseline := baselineAtBreak.
>> > - ^ true.
>> > - !
>> >
>> > Item was removed:
>> > - ----- Method: MultiCompositionScanner>>endOfRun (in category 'stop
>> > conditions') -----
>> > - endOfRun
>> > - "Answer true if scanning has reached the end of the paragraph.
>> > - Otherwise step conditions (mostly install potential new font) and
>> answer
>> > - false."
>> > -
>> > - | runLength |
>> > - lastIndex = text size
>> > - ifTrue: [line stop: lastIndex.
>> > - presentationLine stop: lastIndex -
>> numOfComposition.
>> > - spaceX := destX.
>> > - line paddingWidth: rightMargin - destX.
>> > - presentationLine paddingWidth: rightMargin -
>> > destX.
>> > - ^true]
>> > - ifFalse: [
>> > - "(text at: lastIndex) charCode = 32 ifTrue:
>> > [destX
>> := destX +
>> > spaceWidth]."
>> > - runLength := (text runLengthFor: (lastIndex :=
>> lastIndex + 1)).
>> > - runStopIndex := lastIndex + (runLength - 1).
>> > - self setStopConditions.
>> > - ^false]
>> > - !
>> >
>> > Item was removed:
>> > - ----- Method: MultiCompositionScanner>>forParagraph: (in category
>> > 'intialize-release') -----
>> > - forParagraph: aParagraph
>> > - "Initialize the receiver for scanning the given paragraph."
>> > -
>> > - self
>> > - initializeFromParagraph: aParagraph
>> > - clippedBy: aParagraph clippingRectangle.
>> > - !
>> >
>> > Item was removed:
>> > - ----- Method: MultiCompositionScanner>>getPresentation (in category
>> > 'multilingual scanning') -----
>> > - getPresentation
>> > -
>> > - ^ presentation contents.
>> > -
>> > - !
>> >
>> > Item was removed:
>> > - ----- Method: MultiCompositionScanner>>getPresentationLine (in
>> category
>> > 'multilingual scanning') -----
>> > - getPresentationLine
>> > -
>> > - ^ presentationLine.
>> > - !
>> >
>> > Item was removed:
>> > - ----- Method: MultiCompositionScanner>>isBreakableAt:in:in: (in
>> category
>> > 'multilingual scanning') -----
>> > - isBreakableAt: index in: sourceString in: encodingClass
>> > -
>> > - ^ encodingClass isBreakableAt: index in: sourceString.
>> > - !
>> >
>> > Item was removed:
>> > - ----- Method: MultiCompositionScanner>>placeEmbeddedObject: (in
>> category
>> > 'stop conditions') -----
>> > - placeEmbeddedObject: anchoredMorph
>> > - | descent |
>> > - "Workaround: The following should really use #textAnchorType"
>> > - anchoredMorph relativeTextAnchorPosition ifNotNil:[^true].
>> > - (super placeEmbeddedObject: anchoredMorph) ifFalse: ["It doesn't
>> fit"
>> > - "But if it's the first character then leave it here"
>> > - lastIndex < line first ifFalse:[
>> > - line stop: lastIndex-1.
>> > - ^ false]].
>> > - descent := lineHeight - baseline.
>> > - lineHeight := lineHeight max: anchoredMorph height.
>> > - baseline := lineHeight - descent.
>> > - line stop: lastIndex.
>> > - presentationLine stop: lastIndex - numOfComposition.
>> > - ^ true!
>> >
>> > Item was removed:
>> > - ----- Method: MultiCompositionScanner>>presentation (in category
>> > 'accessing') -----
>> > - presentation
>> > -
>> > - ^ presentation.
>> > - !
>> >
>> > Item was removed:
>> > - ----- Method: MultiCompositionScanner>>presentationLine (in category
>> > 'accessing') -----
>> > - presentationLine
>> > -
>> > - ^ presentationLine.
>> > - !
>> >
>> > Item was removed:
>> > - ----- Method: MultiCompositionScanner>>registerBreakableIndex (in
>> category
>> > 'multilingual scanning') -----
>> > - registerBreakableIndex
>> > -
>> > - "Record left x and character index of the line-wrappable point.
>> > - Used for wrap-around. Answer whether the character has crossed
>> > the
>> > - right edge of the composition rectangle of the paragraph."
>> > -
>> > - (text at: lastIndex) = Character space ifTrue: [
>> > - breakAtSpace := true.
>> > - spaceX := destX.
>> > - spaceCount := spaceCount + 1.
>> > - lineHeightAtBreak := lineHeight.
>> > - baselineAtBreak := baseline.
>> > - breakableIndex := lastIndex.
>> > - destX > rightMargin ifTrue: [^self crossedX].
>> > - ] ifFalse: [
>> > - breakAtSpace := false.
>> > - lineHeightAtBreak := lineHeight.
>> > - baselineAtBreak := baseline.
>> > - breakableIndex := lastIndex - 1.
>> > - ].
>> > - ^ false.
>> > - !
>> >
>> > Item was removed:
>> > - ----- Method: MultiCompositionScanner>>removeLastCharFromPresentation
>> (in
>> > category 'multilingual scanning') -----
>> > - removeLastCharFromPresentation
>> > -
>> > - presentation ifNotNil: [
>> > - presentation position: presentation position - 1.
>> > - ].
>> > - destX := destX - lastWidth.
>> > - !
>> >
>> > Item was removed:
>> > - ----- Method: MultiCompositionScanner>>rightX (in category
>> 'accessing')
>> > -----
>> > - rightX
>> > - "Meaningful only when a line has just been composed -- refers to
>> the
>> > - line most recently composed. This is a subtrefuge to allow for
>> > easy
>> > - resizing of a composition rectangle to the width of the maximum
>> line.
>> > - Useful only when there is only one line in the form or when each
>> line
>> > - is terminated by a carriage return. Handy for sizing menus and
>> lists."
>> > -
>> > - breakAtSpace ifTrue: [^ spaceX].
>> > -
>> > - ^ destX.
>> > - !
>> >
>> > Item was removed:
>> > - ----- Method: MultiCompositionScanner>>setActualFont: (in category
>> > 'scanning') -----
>> > - setActualFont: aFont
>> > - "Keep track of max height and ascent for auto lineheight"
>> > - | descent |
>> > - super setActualFont: aFont.
>> > - "' ', lastIndex printString, ' ' displayAt: (lastIndex *
>> 15)@0."
>> > - lineHeight == nil
>> > - ifTrue: [descent := font descent.
>> > - baseline := font ascent.
>> > - lineHeight := baseline + descent]
>> > - ifFalse: [descent := lineHeight - baseline max: font
>> descent.
>> > - baseline := baseline max: font ascent.
>> > - lineHeight := lineHeight max: baseline +
>> descent]!
>> >
>> > Item was removed:
>> > - ----- Method: MultiCompositionScanner>>setFont (in category 'stop
>> > conditions') -----
>> > - setFont
>> > - super setFont.
>> > - breakAtSpace := false.
>> > - wantsColumnBreaks == true ifTrue: [
>> > - stopConditions := stopConditions copy.
>> > - stopConditions at: TextComposer characterForColumnBreak
>> asciiValue + 1
>> > put: #columnBreak.
>> > - ].
>> > - !
>> >
>> > Item was removed:
>> > - ----- Method: MultiCompositionScanner>>setStopConditions (in category
>> > 'stop conditions') -----
>> > - setStopConditions
>> > - "Set the font and the stop conditions for the current run."
>> > -
>> > - self setFont!
>> >
>> > Item was removed:
>> > - ----- Method: MultiCompositionScanner>>tab (in category 'stop
>> conditions')
>> > -----
>> > - tab
>> > - "Advance destination x according to tab settings in the
>> > paragraph's
>> > - textStyle. Answer whether the character has crossed the right
>> > edge
>> of
>> > - the composition rectangle of the paragraph."
>> > -
>> > - destX := textStyle
>> > - nextTabXFrom: destX leftMargin:
>> > leftMargin
>> rightMargin: rightMargin.
>> > - destX > rightMargin ifTrue: [^self crossedX].
>> > - lastIndex := lastIndex + 1.
>> > - ^false
>> > - !
>> >
>> > Item was removed:
>> > - MultiCharacterScanner subclass: #MultiDisplayScanner
>> > - instanceVariableNames: 'bitBlt lineY runX foregroundColor
>> backgroundColor
>> > fillBlt lineHeight paragraph paragraphColor morphicOffset
>> > ignoreColorChanges'
>> > - classVariableNames: ''
>> > - poolDictionaries: ''
>> > - category: 'Etoys-Squeakland-Multilingual-Scanning'!
>> >
>> > Item was removed:
>> > - ----- Method: MultiDisplayScanner class>>defaultFont (in category
>> > 'queries') -----
>> > - defaultFont
>> > - ^ TextStyle defaultFont!
>> >
>> > Item was removed:
>> > - ----- Method: MultiDisplayScanner>>cr (in category 'stop conditions')
>> > -----
>> > - cr
>> > - "When a carriage return is encountered, simply increment the
>> pointer
>> > - into the paragraph."
>> > -
>> > - lastIndex := lastIndex + 1.
>> > - ^false!
>> >
>> > Item was removed:
>> > - ----- Method: MultiDisplayScanner>>crossedX (in category 'stop
>> > conditions') -----
>> > - crossedX
>> > - "This condition will sometimes be reached 'legally' during
>> display, when,
>> > - for instance the space that caused the line to wrap actually
>> extends over
>> > - the right boundary. This character is allowed to display, even
>> though it
>> > - is technically outside or straddling the clipping ectangle since
>> it is in
>> > - the normal case not visible and is in any case appropriately
>> clipped by
>> > - the scanner."
>> > -
>> > - ^ true !
>> >
>> > Item was removed:
>> > - ----- Method: MultiDisplayScanner>>displayLine:offset:leftInRun: (in
>> > category 'scanning') -----
>> > - displayLine: textLine offset: offset leftInRun: leftInRun
>> > - "The call on the primitive (scanCharactersFrom:to:in:rightX:)
>> will be
>> > interrupted according to an array of stop conditions passed to the
>> scanner
>> > at which time the code to handle the stop condition is run and the call
>> on
>> > the primitive continued until a stop condition returns true (which
>> > means
>> the
>> > line has terminated). leftInRun is the # of characters left to scan in
>> the
>> > current run; when 0, it is time to call setStopConditions."
>> > - | done stopCondition nowLeftInRun startIndex string lastPos |
>> > - line := textLine.
>> > - morphicOffset := offset.
>> > - lineY := line top + offset y.
>> > - lineHeight := line lineHeight.
>> > - rightMargin := line rightMargin + offset x.
>> > - lastIndex := line first.
>> > - leftInRun <= 0 ifTrue: [self setStopConditions].
>> > - leftMargin := (line leftMarginForAlignment: alignment) + offset
>> > x.
>> > - destX := runX := leftMargin.
>> > - fillBlt == nil ifFalse:
>> > - ["Not right"
>> > - fillBlt destX: line left destY: lineY
>> > - width: line width left height: lineHeight;
>> copyBits].
>> > - lastIndex := line first.
>> > - leftInRun <= 0
>> > - ifTrue: [nowLeftInRun := text runLengthFor: lastIndex]
>> > - ifFalse: [nowLeftInRun := leftInRun].
>> > - baselineY := lineY + line baseline.
>> > - destY := baselineY - font ascent.
>> > - runStopIndex := lastIndex + (nowLeftInRun - 1) min: line last.
>> > - spaceCount := 0.
>> > - done := false.
>> > - string := text string.
>> > - [done] whileFalse:[
>> > - startIndex := lastIndex.
>> > - lastPos := destX at destY.
>> > - stopCondition := self scanCharactersFrom: lastIndex to:
>> runStopIndex
>> > - in: string rightX:
>> rightMargin stopConditions: stopConditions
>> > - kern: kern.
>> > - lastIndex >= startIndex ifTrue:[
>> > - font displayString: string on: bitBlt
>> > - from: startIndex
>> > - "XXXX: The following is an interesting bug. All stopConditions
>> exept
>> > #endOfRun
>> > - have lastIndex past the last character displayed.
>> #endOfRun sets it *on*
>> > the character.
>> > - If we display up until lastIndex then we will also
>> > display
>> invisible
>> > characters like
>> > - CR and tab. This problem should be fixed in the scanner
>> (i.e., position
>> > lastIndex
>> > - consistently) but I don't want to deal with the fallout
>> right now so we
>> > keep the
>> > - fix minimally invasive."
>> > - to: (stopCondition == #endOfRun
>> ifTrue:[lastIndex]
>> > ifFalse:[lastIndex-1])
>> > - at: lastPos kern: kern baselineY:
>> baselineY].
>> > - "see setStopConditions for stopping conditions for
>> displaying."
>> > - done := self perform: stopCondition.
>> > - "lastIndex > runStopIndex ifTrue: [done := true]."
>> > - ].
>> > - ^ runStopIndex - lastIndex "Number of characters remaining in
>> > the
>> > current run"!
>> >
>> > Item was removed:
>> > - ----- Method: MultiDisplayScanner>>displayLines:in:clippedBy: (in
>> category
>> > 'MVC-compatibility') -----
>> > - displayLines: linesInterval in: aParagraph clippedBy:
>> > visibleRectangle
>> > - "The central display routine. The call on the primitive
>> > - (scanCharactersFrom:to:in:rightX:) will be interrupted according
>> to an
>> > - array of stop conditions passed to the scanner at which time the
>> code to
>> > - handle the stop condition is run and the call on the primitive
>> continued
>> > - until a stop condition returns true (which means the line has
>> > - terminated)."
>> > - | runLength done stopCondition leftInRun startIndex string
>> > lastPos
>> |
>> > - "leftInRun is the # of characters left to scan in the current
>> > run;
>> > - when 0, it is time to call 'self setStopConditions'"
>> > - morphicOffset := 0 at 0.
>> > - leftInRun := 0.
>> > - self initializeFromParagraph: aParagraph clippedBy:
>> visibleRectangle.
>> > - ignoreColorChanges := false.
>> > - paragraph := aParagraph.
>> > - foregroundColor := paragraphColor := aParagraph foregroundColor.
>> > - backgroundColor := aParagraph backgroundColor.
>> > - aParagraph backgroundColor isTransparent
>> > - ifTrue: [fillBlt := nil]
>> > - ifFalse: [fillBlt := bitBlt copy. "Blt to fill spaces,
>> tabs, margins"
>> > - fillBlt sourceForm: nil; sourceOrigin:
>> > 0 at 0.
>> > - fillBlt fillColor: aParagraph
>> backgroundColor].
>> > - rightMargin := aParagraph rightMarginForDisplay.
>> > - lineY := aParagraph topAtLineIndex: linesInterval first.
>> > - bitBlt destForm deferUpdatesIn: visibleRectangle while: [
>> > - linesInterval do:
>> > - [:lineIndex |
>> > - leftMargin := aParagraph
>> leftMarginForDisplayForLine: lineIndex
>> > alignment: (alignment ifNil:[textStyle alignment]).
>> > - destX := (runX := leftMargin).
>> > - line := aParagraph lines at: lineIndex.
>> > - lineHeight := line lineHeight.
>> > - fillBlt == nil ifFalse:
>> > - [fillBlt destX: visibleRectangle left
>> destY: lineY
>> > - width: visibleRectangle width
>> height: lineHeight; copyBits].
>> > - lastIndex := line first.
>> > - leftInRun <= 0
>> > - ifTrue: [self setStopConditions. "also
>> sets the font"
>> > - leftInRun := text
>> runLengthFor: line first].
>> > - baselineY := lineY + line baseline.
>> > - destY := baselineY - font ascent. "Should have
>> happened in setFont"
>> > - runLength := leftInRun.
>> > - runStopIndex := lastIndex + (runLength - 1) min:
>> line last.
>> > - leftInRun := leftInRun - (runStopIndex -
>> > lastIndex
>> + 1).
>> > - spaceCount := 0.
>> > - done := false.
>> > - string := text string.
>> > - self handleIndentation.
>> > - [done] whileFalse:[
>> > - startIndex := lastIndex.
>> > - lastPos := destX at destY.
>> > - stopCondition := self scanCharactersFrom:
>> lastIndex to: runStopIndex
>> > - in: string
>> > rightX:
>> rightMargin stopConditions: stopConditions
>> > - kern: kern.
>> > - lastIndex >= startIndex ifTrue:[
>> > - font displayString: string on:
>> bitBlt
>> > - from: startIndex to:
>> lastIndex at: lastPos kern: kern baselineY:
>> > baselineY].
>> > - "see setStopConditions for stopping
>> conditions for displaying."
>> > - done := self perform: stopCondition].
>> > - fillBlt == nil ifFalse:
>> > - [fillBlt destX: destX destY: lineY width:
>> visibleRectangle right-destX
>> > height: lineHeight; copyBits].
>> > - lineY := lineY + lineHeight]]!
>> >
>> > Item was removed:
>> > - ----- Method: MultiDisplayScanner>>endOfRun (in category 'stop
>> > conditions') -----
>> > - endOfRun
>> > - "The end of a run in the display case either means that there is
>> actually
>> > - a change in the style (run code) to be associated with the string
>> or the
>> > - end of this line has been reached."
>> > - | runLength |
>> > - lastIndex = line last ifTrue: [^true].
>> > - runX := destX.
>> > - runLength := text runLengthFor: (lastIndex := lastIndex + 1).
>> > - runStopIndex := lastIndex + (runLength - 1) min: line last.
>> > - self setStopConditions.
>> > - ^ false!
>> >
>> > Item was removed:
>> > - ----- Method: MultiDisplayScanner>>initializeFromParagraph:clippedBy:
>> (in
>> > category 'MVC-compatibility') -----
>> > - initializeFromParagraph: aParagraph clippedBy: clippingRectangle
>> > -
>> > - super initializeFromParagraph: aParagraph clippedBy:
>> clippingRectangle.
>> > - bitBlt := BitBlt asGrafPort toForm: aParagraph destinationForm.
>> > - bitBlt sourceX: 0; width: 0. "Init BitBlt so that the first
>> call to a
>> > primitive will not fail"
>> > - bitBlt combinationRule: Form paint.
>> > - bitBlt colorMap:
>> > - (Bitmap with: 0 "Assumes 1-bit deep fonts"
>> > - with: (bitBlt destForm pixelValueFor:
>> aParagraph foregroundColor)).
>> > - bitBlt clipRect: clippingRectangle.
>> > - !
>> >
>> > Item was removed:
>> > - ----- Method: MultiDisplayScanner>>isBreakableAt:in:in: (in category
>> > 'multilingual scanning') -----
>> > - isBreakableAt: index in: sourceString in: encodingClass
>> > -
>> > - ^ false.
>> > - !
>> >
>> > Item was removed:
>> > - ----- Method: MultiDisplayScanner>>paddedSpace (in category 'stop
>> > conditions') -----
>> > - paddedSpace
>> > - "Each space is a stop condition when the alignment is right
>> justified.
>> > - Padding must be added to the base width of the space according to
>> > - which space in the line this space is and according to the amount
>> of
>> > - space that remained at the end of the line when it was composed."
>> > -
>> > - spaceCount := spaceCount + 1.
>> > - destX := destX + spaceWidth + (line justifiedPadFor: spaceCount).
>> > - lastIndex := lastIndex + 1.
>> > - ^ false!
>> >
>> > Item was removed:
>> > - ----- Method: MultiDisplayScanner>>placeEmbeddedObject: (in category
>> > 'scanning') -----
>> > - placeEmbeddedObject: anchoredMorph
>> > - anchoredMorph relativeTextAnchorPosition ifNotNil:[
>> > - anchoredMorph position:
>> > - anchoredMorph relativeTextAnchorPosition +
>> > - (anchoredMorph owner textBounds origin x @ 0)
>> > - - (0 at morphicOffset y) + (0 at lineY).
>> > - ^true
>> > - ].
>> > - (super placeEmbeddedObject: anchoredMorph) ifFalse: [^ false].
>> > - anchoredMorph isMorph ifTrue: [
>> > - anchoredMorph position: ((destX - anchoredMorph
>> width)@lineY) -
>> > morphicOffset
>> > - ] ifFalse: [
>> > - destY := lineY.
>> > - baselineY := lineY + anchoredMorph height..
>> > - runX := destX.
>> > - anchoredMorph
>> > - displayOn: bitBlt destForm
>> > - at: destX - anchoredMorph width @ destY
>> > - clippingBox: bitBlt clipRect
>> > - ].
>> > - ^ true!
>> >
>> > Item was removed:
>> > - ----- Method: MultiDisplayScanner>>plainTab (in category 'stop
>> > conditions') -----
>> > - plainTab
>> > - | oldX |
>> > - oldX := destX.
>> > - super plainTab.
>> > - fillBlt == nil ifFalse:
>> > - [fillBlt destX: oldX destY: destY width: destX - oldX
>> height: font
>> > height; copyBits]!
>> >
>> > Item was removed:
>> > - ----- Method: MultiDisplayScanner>>presentationText: (in category
>> > 'private') -----
>> > - presentationText: t
>> > -
>> > - text := t.
>> > - !
>> >
>> > Item was removed:
>> > - ----- Method:
>> > MultiDisplayScanner>>scanMultiCharactersCombiningFrom:to:in:rightX:
>> stopConditions:kern:
>> > (in category 'multilingual scanning') -----
>> > - scanMultiCharactersCombiningFrom: startIndex to: stopIndex in:
>> > sourceString rightX: rightX stopConditions: stops kern: kernDelta
>> > -
>> > - | encoding f nextDestX maxAscii startEncoding char charValue |
>> > - lastIndex := startIndex.
>> > - lastIndex > stopIndex ifTrue: [lastIndex := stopIndex. ^ stops
>> > at:
>> > EndOfRun].
>> > - startEncoding := (sourceString at: startIndex) leadingChar.
>> > - font ifNil: [font := (TextConstants at: #DefaultMultiStyle)
>> fontArray at:
>> > 1].
>> > - ((font isMemberOf: StrikeFontSet) or: [font isKindOf:
>> > TTCFontSet])
>> > ifTrue: [
>> > - [f := font fontArray at: startEncoding + 1]
>> > - on: Exception do: [:ex | f := font fontArray at:
>> 1].
>> > - f ifNil: [ f := font fontArray at: 1].
>> > - maxAscii := f maxAscii.
>> > - spaceWidth := f widthOf: Space.
>> > - ] ifFalse: [
>> > - maxAscii := font maxAscii.
>> > - ].
>> > -
>> > - [lastIndex <= stopIndex] whileTrue: [
>> > - encoding := (sourceString at: lastIndex) leadingChar.
>> > - encoding ~= startEncoding ifTrue: [lastIndex := lastIndex
>> - 1. ^ stops
>> > at: EndOfRun].
>> > - char := (sourceString at: lastIndex).
>> > - charValue := char charCode.
>> > - charValue > maxAscii ifTrue: [charValue := maxAscii].
>> > - (encoding = 0 and: [(stopConditions at: charValue + 1) ~~
>> nil]) ifTrue:
>> > [
>> > - ^ stops at: charValue + 1
>> > - ].
>> > - nextDestX := destX + (self widthOf: char inFont: font).
>> > - nextDestX > rightX ifTrue: [^ stops at: CrossedX].
>> > - destX := nextDestX + kernDelta.
>> > - lastIndex := lastIndex + 1.
>> > - ].
>> > - lastIndex := stopIndex.
>> > - ^ stops at: EndOfRun!
>> >
>> > Item was removed:
>> > - ----- Method: MultiDisplayScanner>>setDestForm: (in category
>> 'private')
>> > -----
>> > - setDestForm: df
>> > - bitBlt setDestForm: df.!
>> >
>> > Item was removed:
>> > - ----- Method: MultiDisplayScanner>>setFont (in category 'private')
>> -----
>> > - setFont
>> > - foregroundColor := paragraphColor.
>> > - super setFont. "Sets font and emphasis bits, and maybe
>> foregroundColor"
>> > - font installOn: bitBlt foregroundColor: foregroundColor
>> backgroundColor:
>> > Color transparent.
>> > - text ifNotNil:[
>> > - baselineY := lineY + line baseline.
>> > - destY := baselineY - font ascent].
>> > - !
>> >
>> > Item was removed:
>> > - ----- Method: MultiDisplayScanner>>setPort: (in category 'private')
>> -----
>> > - setPort: aBitBlt
>> > - "Install the BitBlt to use"
>> > - bitBlt := aBitBlt.
>> > - bitBlt sourceX: 0; width: 0. "Init BitBlt so that the first
>> call to a
>> > primitive will not fail"
>> > - bitBlt sourceForm: nil. "Make sure font installation won't be
>> confused"
>> > - !
>> >
>> > Item was removed:
>> > - ----- Method: MultiDisplayScanner>>setStopConditions (in category
>> 'stop
>> > conditions') -----
>> > - setStopConditions
>> > - "Set the font and the stop conditions for the current run."
>> > -
>> > - self setFont.
>> > - self setConditionArray: (alignment = Justified ifTrue:
>> [#paddedSpace]).
>> > -
>> > - "
>> > - alignment = Justified ifTrue: [
>> > - stopConditions == DefaultStopConditions
>> > - ifTrue:[stopConditions := stopConditions copy].
>> > - stopConditions at: Space asciiValue + 1 put:
>> > #paddedSpace]
>> > - "!
>> >
>> > Item was removed:
>> > - ----- Method: MultiDisplayScanner>>tab (in category 'stop
>> > conditions')
>> > -----
>> > - tab
>> > - self plainTab.
>> > - lastIndex := lastIndex + 1.
>> > - ^ false!
>> >
>> > Item was removed:
>> > - ----- Method:
>> > MultiDisplayScanner>>text:textStyle:foreground:background:fillBlt:
>> ignoreColorChanges:
>> > (in category 'private') -----
>> > - text: t textStyle: ts foreground: foreColor background: backColor
>> fillBlt:
>> > blt ignoreColorChanges: shadowMode
>> > - text := t.
>> > - textStyle := ts.
>> > - foregroundColor := paragraphColor := foreColor.
>> > - (backgroundColor := backColor) isTransparent ifFalse:
>> > - [fillBlt := blt.
>> > - fillBlt fillColor: backgroundColor].
>> > - ignoreColorChanges := shadowMode!
>> >
>> > Item was removed:
>> > - ----- Method: MultiDisplayScanner>>textColor: (in category 'private')
>> > -----
>> > - textColor: textColor
>> > - ignoreColorChanges ifTrue: [^ self].
>> > - foregroundColor := textColor!
>> >
>> > Item was removed:
>> > - NewParagraph subclass: #MultiNewParagraph
>> > - instanceVariableNames: 'presentationText presentationLines'
>> > - classVariableNames: ''
>> > - poolDictionaries: 'TextConstants'
>> > - category: 'Etoys-Squeakland-Multilingual-Scanning'!
>> >
>> > Item was removed:
>> > - ----- Method: MultiNewParagraph>>displayOn:using:at: (in category
>> > 'fonts-display') -----
>> > - displayOn: aCanvas using: displayScanner at: somePosition
>> > - "Send all visible lines to the displayScanner for display"
>> > -
>> > - | visibleRectangle offset leftInRun line |
>> > - visibleRectangle := aCanvas clipRect.
>> > - offset := somePosition - positionWhenComposed.
>> > - leftInRun := 0.
>> > - (self lineIndexForPoint: visibleRectangle topLeft)
>> > - to: (self lineIndexForPoint: visibleRectangle
>> > bottomRight)
>> > - do: [:i | line := lines at: i.
>> > - self displaySelectionInLine: line on: aCanvas.
>> > - line first <= line last ifTrue:
>> > - [leftInRun := displayScanner displayLine:
>> line
>> > - offset:
>> offset leftInRun: leftInRun]].
>> > - !
>> >
>> > Item was removed:
>> > - ----- Method: MultiNewParagraph>>displayOnTest:using:at: (in category
>> > 'fonts-display') -----
>> > - displayOnTest: aCanvas using: displayScanner at: somePosition
>> > - "Send all visible lines to the displayScanner for display"
>> > -
>> > - | visibleRectangle offset leftInRun line |
>> > - (presentationText isNil or: [presentationLines isNil]) ifTrue: [
>> > - ^ self displayOn: aCanvas using: displayScanner at:
>> somePosition.
>> > - ].
>> > - visibleRectangle := aCanvas clipRect.
>> > - offset := somePosition - positionWhenComposed.
>> > - leftInRun := 0.
>> > - (self lineIndexForPoint: visibleRectangle topLeft)
>> > - to: (self lineIndexForPoint: visibleRectangle
>> > bottomRight)
>> > - do: [:i | line := presentationLines at: i.
>> > - self displaySelectionInLine: line on: aCanvas.
>> > - line first <= line last ifTrue:
>> > - [leftInRun := displayScanner displayLine:
>> line
>> > - offset:
>> offset leftInRun: leftInRun]].
>> > - !
>> >
>> > Item was removed:
>> > - ----- Method:
>> > MultiNewParagraph>>multiComposeLinesFrom:to:delta:into:priorLines:atY:
>> (in
>> > category 'composition') -----
>> > - multiComposeLinesFrom: start to: stop delta: delta into: lineColl
>> > priorLines: priorLines
>> > - atY: startingY
>> > - "While the section from start to stop has changed, composition
>> > may
>> ripple
>> > all the way to the end of the text. However in a rectangular
>> > container,
>> if
>> > we ever find a line beginning with the same character as before (ie
>> > corresponding to delta in the old lines), then we can just copy the old
>> > lines from there to the end of the container, with adjusted indices and
>> > y-values"
>> > -
>> > - | newResult composer presentationInfo |
>> > -
>> > - composer := MultiTextComposer new.
>> > - presentationLines := nil.
>> > - presentationText := nil.
>> > - newResult := composer
>> > - multiComposeLinesFrom: start
>> > - to: stop
>> > - delta: delta
>> > - into: lineColl
>> > - priorLines: priorLines
>> > - atY: startingY
>> > - textStyle: textStyle
>> > - text: text
>> > - container: container
>> > - wantsColumnBreaks: wantsColumnBreaks == true.
>> > - lines := newResult first asArray.
>> > - maxRightX := newResult second.
>> > - presentationInfo := composer getPresentationInfo.
>> > - presentationLines := presentationInfo first asArray.
>> > - presentationText := presentationInfo second.
>> > - "maxRightX printString displayAt: 0 at 0."
>> > - ^maxRightX
>> > - !
>> >
>> > Item was removed:
>> > - ----- Method: MultiNewParagraph>>presentationLines (in category
>> > 'accessing') -----
>> > - presentationLines
>> > -
>> > - ^ presentationLines.
>> > - !
>> >
>> > Item was removed:
>> > - ----- Method: MultiNewParagraph>>presentationText (in category
>> > 'accessing') -----
>> > - presentationText
>> > -
>> > - ^ presentationText.
>> > - !
>> >
>> > Item was removed:
>> > - TextComposer subclass: #MultiTextComposer
>> > - instanceVariableNames: 'presentation presentationLines'
>> > - classVariableNames: ''
>> > - poolDictionaries: 'TextConstants'
>> > - category: 'Etoys-Squeakland-Multilingual-Scanning'!
>> >
>> > Item was removed:
>> > - ----- Method: MultiTextComposer>>composeEachRectangleIn: (in category
>> 'as
>> > yet unclassified') -----
>> > - composeEachRectangleIn: rectangles
>> > -
>> > - | myLine lastChar |
>> > -
>> > - 1 to: rectangles size do: [:i |
>> > - currCharIndex <= theText size ifFalse: [^false].
>> > - myLine := scanner
>> > - composeFrom: currCharIndex
>> > - inRectangle: (rectangles at: i)
>> > - firstLine: isFirstLine
>> > - leftSide: i=1
>> > - rightSide: i=rectangles size.
>> > - lines addLast: myLine.
>> > - presentationLines addLast: scanner getPresentationLine.
>> > - presentation ifNil: [presentation := scanner
>> getPresentation]
>> > - ifNotNil: [presentation := presentation, scanner
>> getPresentation].
>> > - actualHeight := actualHeight max: myLine lineHeight.
>> "includes font
>> > changes"
>> > - currCharIndex := myLine last + 1.
>> > - lastChar := theText at: myLine last.
>> > - lastChar = Character cr ifTrue: [^#cr].
>> > - wantsColumnBreaks ifTrue: [
>> > - lastChar = TextComposer characterForColumnBreak
>> ifTrue:
>> > [^#columnBreak].
>> > - ].
>> > - ].
>> > - ^false!
>> >
>> > Item was removed:
>> > - ----- Method: MultiTextComposer>>getPresentationInfo (in category 'as
>> yet
>> > unclassified') -----
>> > - getPresentationInfo
>> > -
>> > - ^ Array with: presentationLines with: presentation.
>> > - !
>> >
>> > Item was removed:
>> > - ----- Method:
>> > MultiTextComposer>>multiComposeLinesFrom:to:delta:into:priorLines:atY:
>> textStyle:text:container:wantsColumnBreaks:
>> > (in category 'as yet unclassified') -----
>> > - multiComposeLinesFrom: argStart to: argStop delta: argDelta into:
>> > argLinesCollection priorLines: argPriorLines atY: argStartY textStyle:
>> > argTextStyle text: argText container: argContainer wantsColumnBreaks:
>> > argWantsColumnBreaks
>> > -
>> > - wantsColumnBreaks := argWantsColumnBreaks.
>> > - lines := argLinesCollection.
>> > - presentationLines := argLinesCollection copy.
>> > - theTextStyle := argTextStyle.
>> > - theText := argText.
>> > - theContainer := argContainer.
>> > - deltaCharIndex := argDelta.
>> > - currCharIndex := startCharIndex := argStart.
>> > - stopCharIndex := argStop.
>> > - prevLines := argPriorLines.
>> > - currentY := argStartY.
>> > - defaultLineHeight := theTextStyle lineGrid.
>> > - maxRightX := theContainer left.
>> > - possibleSlide := stopCharIndex < theText size and: [theContainer
>> > isMemberOf: Rectangle].
>> > - nowSliding := false.
>> > - prevIndex := 1.
>> > - scanner := MultiCompositionScanner new text: theText textStyle:
>> > theTextStyle.
>> > - scanner wantsColumnBreaks: wantsColumnBreaks.
>> > - isFirstLine := true.
>> > - self composeAllLines.
>> > - isFirstLine ifTrue: ["No space in container or empty text"
>> > - self
>> > - addNullLineWithIndex: startCharIndex
>> > - andRectangle: (theContainer topLeft extent:
>> 0 at defaultLineHeight)
>> > - ] ifFalse: [
>> > - self fixupLastLineIfCR
>> > - ].
>> > - ^{lines asArray. maxRightX}
>> > -
>> > - !
>> >
>> >
>> >
>> >
>>
>>
>>
>
More information about the Squeak-dev mailing list |