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421
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"
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COPYRIGHT (c) 1995 by eXept Software AG
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All Rights Reserved
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This software is furnished under a license and may be used
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only in accordance with the terms of that license and with the
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inclusion of the above copyright notice. This software may not
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be provided or otherwise made available to, or used by, any
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other person. No title to or ownership of the software is
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hereby transferred.
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"
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412
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MenuPanel subclass:#FontMenu
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instanceVariableNames:'model enabledChannel fontFamily fontFace fontStyle fontSize'
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classVariableNames:''
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poolDictionaries:''
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category:'Interface-UIPainter'
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!
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!FontMenu class methodsFor:'documentation'!
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421
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copyright
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"
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COPYRIGHT (c) 1995 by eXept Software AG
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All Rights Reserved
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This software is furnished under a license and may be used
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only in accordance with the terms of that license and with the
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inclusion of the above copyright notice. This software may not
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be provided or otherwise made available to, or used by, any
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other person. No title to or ownership of the software is
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hereby transferred.
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"
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!
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documentation
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"
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FontMenu used by UIPainter
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421
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[author:]
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Claus Atzkern
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412
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[see also:]
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UIPainter
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FontMenuSpec
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"
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!
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examples
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"
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simple example
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[exBegin]
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|top|
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top := StandardSystemView new.
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top extent:250@30.
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self origin:0.0@0.0 corner:1.0@1.0 in:top.
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top open.
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[exEnd]
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"
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! !
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!FontMenu class methodsFor:'menu spec'!
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menu
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799
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583
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<resource: #menu>
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^
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#(#Menu
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#(
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#(#MenuItem
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#label: ''
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#indication: false
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)
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#(#MenuItem
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#label: '-'
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)
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(#MenuItem
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#label: 'family'
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#value: #fontFamily:
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#isButton: true
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#submenu:
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#(#Menu #( #(#MenuItem #label: 'helvetica' value:#helvetica)
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#(#MenuItem #label: 'courier' value:#courier)
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#(#MenuItem #label: 'times' value:#times)
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#(#MenuItem #label: 'clean' value:#clean)
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#(#MenuItem #label: 'fixed' value:#fixed)
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#(#MenuItem #label: 'lucida' value:#lucida)
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)
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nil
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nil
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)
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)
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(#MenuItem
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#label: 'face'
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#value: #fontFace:
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#isButton: true
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#submenu:
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#(#Menu #( #(#MenuItem #label: 'bold' value:#bold)
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#(#MenuItem #label: 'medium' value:#medium)
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)
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nil
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nil
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)
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)
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(#MenuItem
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#label: 'style'
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#value: #fontStyle:
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#isButton: true
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#submenu:
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#(#Menu #( #(#MenuItem #label: 'roman' value:#roman)
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#(#MenuItem #label: 'italic' value:#italic)
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#(#MenuItem #label: 'oblique' value:#oblique)
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)
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nil
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nil
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)
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)
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(#MenuItem
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#label: 'size'
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#value: #fontSize:
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#isButton: true
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#submenu:
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#(#Menu #( #(#MenuItem #label: '6' value:6)
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#(#MenuItem #label: '8' value:8)
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#(#MenuItem #label: '10' value:10)
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#(#MenuItem #label: '12' value:12)
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#(#MenuItem #label: '14' value:14)
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#(#MenuItem #label: '16' value:16)
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#(#MenuItem #label: '18' value:18)
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#(#MenuItem #label: 'other ...' value:#size)
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)
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nil
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nil
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)
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799
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)
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) nil
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nil
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)
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412
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! !
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!FontMenu methodsFor:'accept'!
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accept:anItem
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"accept current selected item
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"
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|item selector arg|
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selector := self selection value.
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(item := super accept:anItem) isNil ifTrue:[
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^ self
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].
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(arg := item value) isNil ifTrue:[
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model notNil ifTrue:[
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enabledChannel value ifTrue:[
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arg := self fontDescription
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].
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model value:arg
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].
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^ self
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].
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(arg == #size and:[(arg := self readSize) isNil]) ifTrue:[
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^ self
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].
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(self perform:selector with:arg) ifTrue:[
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model notNil ifTrue:[model value:(self fontDescription)]
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]
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!
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readSize
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"read a size; in case of cancel nil is returned otherwise a number.
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"
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|size string|
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string := EnterBox request:'size: '.
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string size ~~ 0 ifTrue:[
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size := SmallInteger readFrom:string onError:nil.
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(size notNil and:[size >= 6 and:[size <= 48]]) ifTrue:[
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^ size
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]
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].
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^ nil
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! !
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!FontMenu methodsFor:'accessing'!
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fontDescription
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"get font description
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"
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^ FontDescription family:fontFamily face:fontFace style:fontStyle size:fontSize
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!
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fontDescription:aFontDesc
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"set font description
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"
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aFontDesc isNil ifTrue:[
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enabledChannel value:false.
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] ifFalse:[
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self disabledRedrawDo:[
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enabledChannel value:true.
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1427
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(aFontDesc isSymbol or:[aFontDesc isString]) ifFalse:[
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615
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self fontFamily:(aFontDesc family).
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self fontFace:(aFontDesc face).
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self fontStyle:(aFontDesc style).
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self fontSize:(aFontDesc size).
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]
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]
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]
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!
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fontFace
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"get face, a string
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"
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^ fontFace
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!
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fontFace:aFace
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"set face, a string; update item.
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if the face changed true is returned otherwise nil
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"
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(aFace notNil and:[aFace ~= fontFace]) ifTrue:[
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(self itemAt:#fontFace:) label:(fontFace := aFace).
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^ true
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].
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^ false
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!
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fontFamily
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"get family, a string
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"
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^ fontFamily
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!
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fontFamily:aFamily
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"set family, a string; update item
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if the family changed true is returned otherwise nil
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"
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(aFamily notNil and:[aFamily ~= fontFamily]) ifTrue:[
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(self itemAt:#fontFamily:) label:(fontFamily := aFamily).
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^ true
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].
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^ false
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!
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fontSize
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"get size, a number
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"
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^ fontSize
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!
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fontSize:aSize
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"set size, a number; update item
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if the size changed true is returned otherwise nil
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"
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(aSize notNil and:[aSize ~= fontSize]) ifTrue:[
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fontSize := aSize.
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(self itemAt:#fontSize:) label:(aSize printString).
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^ true
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].
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^ false
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!
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fontStyle
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"get style, a string
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"
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^ fontStyle
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!
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fontStyle:aStyle
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"set style, a string; update item
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if the style changed true is returned otherwise nil
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"
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(aStyle notNil and:[aStyle ~= fontStyle]) ifTrue:[
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(self itemAt:#fontStyle:) label:(fontStyle := aStyle).
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^ true
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].
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^ false
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! !
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!FontMenu methodsFor:'accessing channels'!
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model
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"get my model
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"
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^ model
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!
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model:aValueHolder
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"set my model
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"
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model notNil ifTrue:[
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model removeDependent:self.
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].
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model := aValueHolder.
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model notNil ifTrue:[
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model addDependent:self.
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self fontDescription:(model value)
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].
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! !
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318 |
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!FontMenu methodsFor:'change & update'!
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update:something with:aParameter from:changedObject
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"one of my models changed its value
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"
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changedObject == model ifTrue:[
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^ self fontDescription:(model value)
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].
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super update:something with:aParameter from:changedObject
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328 |
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! !
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330 |
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!FontMenu methodsFor:'initialization'!
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332 |
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destroy
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"release dependencies
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"
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self model:nil.
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super destroy.
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338 |
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339 |
!
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340 |
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initialize
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342 |
"setup menu
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343 |
"
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super initialize.
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self verticalLayout:false.
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self fitFirstPanel:false.
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self menu:(self class menu).
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enabledChannel := false asValue.
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349 |
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self fontDescription:(self font).
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351 |
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self do:[:anItem|
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anItem hasIndication ifFalse:[
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anItem enabled:enabledChannel
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] ifTrue:[
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anItem indication:enabledChannel
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357 |
]
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358 |
].
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359 |
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360 |
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361 |
! !
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362 |
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363 |
!FontMenu class methodsFor:'documentation'!
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364 |
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365 |
version
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1427
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366 |
^ '$Header: /cvs/stx/stx/libwidg2/FontMenu.st,v 1.8 1999-07-02 09:53:18 cg Exp $'
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412
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367 |
! !
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