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"
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COPYRIGHT (c) 1993 by Claus Gittinger
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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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Object subclass:#WindowEvent
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instanceVariableNames:'view type arguments'
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classVariableNames:''
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poolDictionaries:''
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category:'Interface-Support'
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!
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46
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!WindowEvent class methodsFor:'documentation'!
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copyright
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"
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COPYRIGHT (c) 1993 by Claus Gittinger
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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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version
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"
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$Header: /cvs/stx/stx/libview/WindowEvent.st,v 1.5 1994-06-03 00:54:00 claus Exp $
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"
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!
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documentation
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"
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Instances of WindowEvent are created for every event coming from
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the graphics device, to be handled by a windowGroup. Usually, they
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are queued by a sensor, and processed in some ebent loop in the window group.
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"
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! !
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!WindowEvent class methodsFor:'instance creation'!
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for:aView type:aSymbol arguments:argArray
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"create and return a new windowEvent for sending
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aSymbol-message with arguments to aView"
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^ (self new) for:aView type:aSymbol arguments:argArray
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!
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damageFor:aView rectangle:aRectangle
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"create and return a new damage Event for aRectangle
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in aView"
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^ (self new) for:aView type:#damage arguments:aRectangle
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! !
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!WindowEvent methodsFor:'accessing'!
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view
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"return the view, for which the event is for"
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^ view
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!
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type
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"return the type of the event"
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^ type
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!
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arguments
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"return the arguments of the event"
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^ arguments
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!
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arguments:anArray
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"set the arguments"
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arguments := anArray
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rectangle
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"return the damage rectangle"
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^ arguments "consider this a kludge"
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! !
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!WindowEvent methodsFor:'sending'!
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sendEvent
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"forward the event represented by the receiver to the view
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or delegate"
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|delegate selector|
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type == #keyPress:x:y: ifTrue:[
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view device sendKeyPress:(arguments at:1)
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x:(arguments at:2)
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y:(arguments at:3)
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to:view
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] ifFalse:[
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delegate := view delegate.
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delegate notNil ifTrue:[
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"what a kludge - sending to delegate needs another
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selector and an additional argument.
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have to edit the selector ..."
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(type endsWith:':') ifTrue:[
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selector := (type , 'view:') asSymbol.
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] ifFalse:[
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selector := (type , 'View:') asSymbol.
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].
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arguments isNil ifTrue:[
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delegate perform:selector with:view
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] ifFalse:[
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delegate perform:selector withArguments:(arguments copyWith:view)
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]
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] ifFalse:[
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view perform:type withArguments:arguments
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]
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]
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! !
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!WindowEvent methodsFor:'private accessing'!
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for:aView type:aSymbol arguments:argArray
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"set the instances of the window event"
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view := aView.
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type := aSymbol.
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arguments := argArray
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! !
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