LinkButtonController.st
author Claus Gittinger <cg@exept.de>
Fri, 28 Jun 2019 09:21:50 +0200
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permissions -rw-r--r--
#OTHER by cg self class name -> self className
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"
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 COPYRIGHT (c) 2009 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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"{ Package: 'stx:libwidg2' }"
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ButtonController subclass:#LinkButtonController
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	instanceVariableNames:'lastX lastY'
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	classVariableNames:''
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	poolDictionaries:''
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	category:'Interface-Support-Controllers'
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!
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!LinkButtonController class methodsFor:'documentation'!
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copyright
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"
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 COPYRIGHT (c) 2009 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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    see info in LinkButton
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"
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! !
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!LinkButtonController methodsFor:'accessing'!
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lastMousePoint
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    lastX isNil ifTrue:[^ nil].
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    ^ lastX @ lastY
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! !
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!LinkButtonController methodsFor:'event handling'!
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buttonMotion:buttonState x:x y:y
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    lastX := x.
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    lastY := y.
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    view invalidate.
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    super buttonMotion:buttonState x:x y:y.
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!
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buttonPress:button x:x y:y
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    |action|
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    lastX := x.
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    lastY := y.
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    action := view actionAt:(self lastMousePoint).
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    action notNil ifTrue:[
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        action value.
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    ].
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!
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buttonRelease:button x:x y:y
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    lastX := x.
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    lastY := y.
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    super buttonRelease:button x:x y:y.
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!
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pointerEnter:buttonState x:x y:y
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    lastX := x.
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    lastY := y.
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    view invalidate.
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    super pointerEnter:buttonState x:x y:y.
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!
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pointerLeave:buttonState 
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    lastX := lastY := nil.
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    view invalidate.
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    super pointerLeave:buttonState.
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! !
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!LinkButtonController class methodsFor:'documentation'!
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version
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    ^ '$Header: /cvs/stx/stx/libwidg2/LinkButtonController.st,v 1.4 2009-03-09 14:17:12 cg Exp $'
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! !