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"
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COPYRIGHT (c) 1997 by eXept Software AG
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All Rights Reserved
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545
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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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"{ Package: 'stx:libjava' }"
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View subclass:#JavaView
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instanceVariableNames:'eventReceiver updateRegions javaPeer'
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classVariableNames:''
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poolDictionaries:''
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category:'Languages-Java-Views-Support'
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!
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!JavaView class methodsFor:'documentation'!
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copyright
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"
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COPYRIGHT (c) 1997 by eXept Software AG
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All Rights Reserved
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545
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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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[Author:]
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Claus Gittinger
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"
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! !
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!JavaView methodsFor:'accessing'!
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delegate:anObject
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super delegate:anObject.
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eventReceiver := anObject.
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"Created: 18.8.1997 / 15:22:20 / cg"
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!
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getNextUpdateRectangle
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|r|
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updateRegions size == 0 ifTrue:[^ nil].
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r := updateRegions removeFirst.
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updateRegions size == 0 ifTrue:[updateRegions := nil].
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^ r
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"Created: 18.8.1997 / 15:37:31 / cg"
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!
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javaPeer
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"for debugging support - here is a handle to the corresponding
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javaPeer"
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^ javaPeer
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"Created: 18.8.1997 / 22:34:35 / cg"
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!
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javaPeer:aJavaView
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"for debugging support - here is a handle to the corresponding
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javaPeer"
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javaPeer := aJavaView
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"Created: 18.8.1997 / 22:34:30 / cg"
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! !
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!JavaView methodsFor:'event handling'!
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buttonMotion:state x:x y:y
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"/ req'd if running as embeddedApplet ...
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|ev sensor|
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"/ 'JavaView buttonMotion' printCR.
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sensor := self sensor.
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eventReceiver notNil ifTrue:[
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ev := WindowEvent buttonEvent
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for:self
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type:#buttonMotion:x:y:
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arguments:(Array with:state with:x with:y).
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ev hasShift:sensor shiftDown
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ctrl:sensor ctrlDown
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alt:sensor altDown
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meta:sensor metaDown
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button1:sensor leftButtonPressed
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button2:sensor middleButtonPressed
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button3:sensor rightButtonPressed.
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eventReceiver processEvent:ev.
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].
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"Modified: / 12.11.1998 / 16:30:50 / cg"
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"Created: / 10.12.1998 / 19:35:40 / cg"
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!
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buttonPress:button x:x y:y
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"/ req'd if running as embeddedApplet ...
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|ev|
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"/ 'JavaView buttonPress' printCR.
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eventReceiver notNil ifTrue:[
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ev := WindowEvent buttonEvent
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for:self
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type:#buttonPress:x:y:
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arguments:(Array with:button with:x with:y).
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ev hasShift:self sensor shiftDown
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ctrl:self sensor ctrlDown
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alt:self sensor altDown
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meta:self sensor metaDown
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button1:self sensor leftButtonPressed
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button2:self sensor middleButtonPressed
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button3:self sensor rightButtonPressed.
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eventReceiver processEvent:ev.
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].
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"Modified: / 6.2.1998 / 00:56:56 / cg"
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"Created: / 10.12.1998 / 19:35:58 / cg"
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!
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buttonRelease:button x:x y:y
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"/ req'd if running as embeddedApplet ...
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|ev|
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"/ 'JavaView buttonRelease' printCR.
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eventReceiver notNil ifTrue:[
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ev := WindowEvent buttonEvent
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for:self
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type:#buttonRelease:x:y:
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arguments:(Array with:button with:x with:y).
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ev hasShift:self sensor shiftDown
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ctrl:self sensor ctrlDown
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alt:self sensor altDown
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meta:self sensor metaDown
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button1:self sensor leftButtonPressed
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button2:self sensor middleButtonPressed
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button3:self sensor rightButtonPressed.
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eventReceiver processEvent:ev.
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].
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"Modified: / 6.2.1998 / 00:57:00 / cg"
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"Created: / 10.12.1998 / 19:36:11 / cg"
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!
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exposeX:x y:y width:w height:h
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|ev rect|
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rect := Rectangle left:x top:y width:w height:h.
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"/ ('JavaView exposeX:' , x printString , ' y:' , y printString , ' width:' , w printString , ' height:' , h printString) printCR.
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updateRegions isNil ifTrue:[
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updateRegions := OrderedCollection new.
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].
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updateRegions add:rect.
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eventReceiver notNil ifTrue:[
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ev := WindowEvent
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damageFor:self
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rectangle:rect.
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eventReceiver processEvent:ev.
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].
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"/ super exposeX:x y:y width:w height:h
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"Created: / 18.8.1997 / 15:00:24 / cg"
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"Modified: / 19.10.1998 / 23:10:15 / cg"
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!
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keyPress:key x:x y:y
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"/ req'd if running as embeddedApplet ...
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|ev|
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"/ 'JavaView keyPress' printCR.
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eventReceiver notNil ifTrue:[
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ev := WindowEvent keyboardEvent
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for:self
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type:#keyPress:x:y:
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arguments:(Array with:key with:x with:y).
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eventReceiver processEvent:ev.
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].
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"Modified: / 6.2.1998 / 00:57:08 / cg"
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"Created: / 10.12.1998 / 19:36:24 / cg"
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!
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keyRelease:key x:x y:y
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"/ req'd if running as embeddedApplet ...
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|ev|
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"/ 'JavaView keyRelease' printCR.
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eventReceiver notNil ifTrue:[
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ev := WindowEvent keyboardEvent
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for:self
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type:#keyRelease:x:y:
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arguments:(Array with:key with:x with:y).
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eventReceiver processEvent:ev.
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].
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"Modified: / 6.2.1998 / 00:57:16 / cg"
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"Created: / 10.12.1998 / 19:36:38 / cg"
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! !
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!JavaView methodsFor:'initialization'!
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initialize
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super initialize.
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self enableMotionEvents.
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(superView notNil and:[superView isMemberOf:JavaEmbeddedFrameView])
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ifTrue:[
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self viewBackground:superView viewBackground
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]
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"Created: / 21.8.1997 / 16:37:45 / cg"
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"Modified: / 13.1.1998 / 14:29:30 / cg"
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! !
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!JavaView methodsFor:'queries'!
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isJavaView
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^ true
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"Created: / 4.12.1998 / 14:09:30 / cg"
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! !
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!JavaView class methodsFor:'documentation'!
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version
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^ '$Header: /cvs/stx/stx/libjava/JavaView.st,v 1.23 2002-11-22 20:14:05 cg Exp $'
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! !
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