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smalltalk-1.1.1
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stix
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Drawable.st
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1991-09-12
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"======================================================================
|
| Copyright (C) 1990, 1991 Free Software Foundation, Inc.
| Written by Steve Byrne.
|
| This file is part of GNU Smalltalk.
|
| GNU Smalltalk is free software; you can redistribute it and/or modify it
| under the terms of the GNU General Public License as published by the Free
| Software Foundation; either version 1, or (at your option) any later version.
|
| GNU Smalltalk is distributed in the hope that it will be useful, but WITHOUT
| ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
| FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
| details.
|
| You should have received a copy of the GNU General Public License along with
| GNU Smalltalk; see the file COPYING. If not, write to the Free Software
| Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
|
======================================================================"
"
| Change Log
| ============================================================================
| Author Date Change
| sbyrne 24 May 90 created.
|
"
Object subclass: #Drawable
instanceVariableNames: 'display id'
classVariableNames: ''
poolDictionaries: 'XGlobals'
category: 'X hacking'
!
Object subclass: #GC "should this be folded into some higher level class?"
instanceVariableNames: 'display drawable id'
classVariableNames: ''
poolDictionaries: 'XGlobals'
category: 'X hacking'
!
!Drawable methodsFor: 'X hacking'!
createGC: aBlock
| packet gc |
packet _ XGCAttrPacket command: 55.
gc _ GC new: display drawable: self.
packet long: gc id; long: self id.
aBlock notNil
ifTrue: [ aBlock value: packet ]
ifFalse: [ packet noBits ].
display socket bytes: packet done.
^gc
!
id
^id
!!