author | Claus Gittinger <cg@exept.de> |
Fri, 08 May 2009 13:47:57 +0200 | |
changeset 2659 | 0583c55f7000 |
parent 2233 | 7245ea01ade1 |
child 2664 | be1086ed7c1c |
permissions | -rw-r--r-- |
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" |
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COPYRIGHT (c) 1996 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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"{ Package: 'stx:libview2' }" |
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DisplayObject subclass:#VisualComponent |
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instanceVariableNames:'' |
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classVariableNames:'' |
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poolDictionaries:'' |
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category:'Compatibility-ST80-Graphics-Display Objects' |
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! |
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!VisualComponent class methodsFor:'documentation'! |
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copyright |
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" |
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COPYRIGHT (c) 1996 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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documentation |
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abstract superclass for all kinds of visual components. |
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This class and its subclasses (currently) exist mostly for |
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ST-80 compatibility - to provide a home for ported PD classes, |
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which depend on the VisualComponent hierarchy. |
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Notice: |
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this class was implemented using protocol information |
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from alpha testers, from reading PD programs and |
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from the Hopkins/Horan book. |
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- it may not be complete or compatible to the corresponding ST-80 class. |
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If you encounter any incompatibilities, please forward a note |
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describing the incompatibility verbal (i.e. no code) to the ST/X team. |
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This is still being constructed - not yet finished. |
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[author:] |
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Claus Gittinger |
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[see also:] |
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GeometricWrapper |
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! ! |
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!VisualComponent class methodsFor:'instance creation'! |
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new |
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^ self basicNew initialize |
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! ! |
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!VisualComponent class methodsFor:'queries'! |
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defaultFont |
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^ SimpleView defaultFont |
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"Created: / 18.6.1998 / 16:14:22 / cg" |
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! |
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defaultViewBackgroundColor |
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^ SimpleView defaultViewBackgroundColor |
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"Created: / 18.6.1998 / 16:15:17 / cg" |
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! ! |
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!VisualComponent methodsFor:'accessing'! |
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backgroundColor |
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^ Color white |
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"Created: / 18.6.1998 / 16:01:00 / cg" |
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! |
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backgroundColor:aColor |
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"ignored here" |
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"Created: / 18.6.1998 / 16:15:28 / cg" |
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container:someContainer |
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"ignored here" |
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"Created: 9.5.1996 / 00:48:54 / cg" |
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! |
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defaultFont |
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^ SimpleView defaultFont |
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"Created: / 18.6.1998 / 16:13:56 / cg" |
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! |
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font:aFont |
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"ignored here" |
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"Created: / 18.6.1998 / 16:14:39 / cg" |
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! |
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foregroundColor |
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^ Color black |
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"Created: / 18.6.1998 / 16:01:07 / cg" |
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! |
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foregroundColor:aColor |
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"ignored here" |
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"Created: / 18.6.1998 / 16:14:53 / cg" |
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! |
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geometryLayout |
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"ignored here" |
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^ nil |
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! |
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geometryLayout:aLayout |
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"ignored here" |
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"Created: / 18.6.1998 / 16:15:39 / cg" |
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! |
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hiddenOnRealize:aBoolean |
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"ignored here" |
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"Created: / 18.6.1998 / 16:13:19 / cg" |
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! |
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id |
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"ignored here" |
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^ nil |
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"Created: / 18.6.1998 / 16:13:34 / cg" |
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! |
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setParentViewIn:aView |
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"ignored here - for now" |
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"Created: 9.5.1996 / 00:19:39 / cg" |
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! |
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superView |
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^ self container |
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"Created: / 18.6.1998 / 16:16:07 / cg" |
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! ! |
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!VisualComponent methodsFor:'accessing-STX-attributes'! |
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application |
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^ self container application |
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"Created: / 19.11.1999 / 17:44:38 / cg" |
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! |
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borderWidth |
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^ 0 |
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"Modified: / 6.7.1998 / 13:47:28 / cg" |
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! |
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borderWidth:aNumber |
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^ 0 |
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"Modified: / 6.7.1998 / 13:47:28 / cg" |
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! |
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canTab:aBoolean |
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"Modified: / 6.7.1998 / 13:46:17 / cg" |
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"Created: / 6.7.1998 / 13:48:35 / cg" |
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! |
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layout |
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^ self geometryLayout |
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! |
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layout:newLayout |
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self geometryLayout:newLayout |
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! |
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level |
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^ 0 |
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"Modified: / 6.7.1998 / 13:46:17 / cg" |
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"Created: / 6.7.1998 / 13:46:50 / cg" |
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! |
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level:newLevel |
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"Modified: / 6.7.1998 / 13:46:17 / cg" |
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"Created: / 6.7.1998 / 13:47:43 / cg" |
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! |
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name |
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^ self printString |
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! |
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realized |
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^ true |
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! |
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viewBackground |
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^ self backgroundColor |
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! ! |
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!VisualComponent methodsFor:'accessing-dimensions'! |
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bottom |
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"return my bottom y coordinate" |
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^ self bounds bottom |
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"Modified: 9.5.1996 / 00:13:12 / cg" |
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"Created: 26.5.1996 / 12:56:12 / cg" |
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! |
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bounds |
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"return my bounds" |
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frame isNil ifTrue:[ |
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self computeBoundingBox. |
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]. |
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^ frame |
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! |
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bounds:aRectangle |
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"set my bounds" |
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frame := aRectangle |
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! |
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extent:anExtent |
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"set my extent" |
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frame := frame copy extent:anExtent |
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! |
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left |
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"return my left x coordinate" |
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^ self bounds left |
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"Created: 8.5.1996 / 23:36:07 / cg" |
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"Modified: 26.5.1996 / 12:56:22 / cg" |
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250 | 264 |
! |
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origin:newOrigin |
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"move my bounds" |
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frame isNil ifTrue:[ |
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self containerChangedSize |
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]. |
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frame := newOrigin extent:(frame extent). |
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"Created: 8.5.1996 / 23:36:07 / cg" |
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275 |
"Modified: 9.5.1996 / 00:13:12 / cg" |
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276 |
! |
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preferredBounds |
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"return my preferredBounds" |
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^ 0@0 extent:100@100 |
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283 |
"Created: 8.5.1996 / 23:36:29 / cg" |
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323 | 284 |
"Modified: 19.7.1996 / 20:06:28 / cg" |
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! |
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preferredExtent |
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^ self preferredBounds extent |
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289 |
||
246 | 290 |
"Modified: 9.5.1996 / 00:13:22 / cg" |
323 | 291 |
"Created: 19.7.1996 / 20:06:19 / cg" |
247 | 292 |
! |
293 |
||
274 | 294 |
right |
295 |
"return my right x coordinate" |
|
296 |
||
297 |
^ self bounds right |
|
247 | 298 |
|
274 | 299 |
"Modified: 9.5.1996 / 00:13:12 / cg" |
300 |
"Created: 26.5.1996 / 12:56:25 / cg" |
|
301 |
! |
|
302 |
||
303 |
top |
|
304 |
"return my top y coordinate" |
|
305 |
||
306 |
^ self bounds top |
|
307 |
||
308 |
"Modified: 9.5.1996 / 00:13:12 / cg" |
|
309 |
"Created: 26.5.1996 / 12:56:15 / cg" |
|
321 | 310 |
! |
311 |
||
312 |
viewRectangle |
|
313 |
^ self bounds |
|
314 |
||
315 |
"Created: 19.7.1996 / 17:24:58 / cg" |
|
245 | 316 |
! ! |
317 |
||
293
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318 |
!VisualComponent methodsFor:'accessing-mvc'! |
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|
319 |
|
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|
320 |
model |
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321 |
"return nil - generic components have no model" |
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|
322 |
|
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|
323 |
^ nil |
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|
324 |
|
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|
325 |
"Created: 5.6.1996 / 14:18:16 / cg" |
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326 |
! ! |
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|
327 |
|
2127 | 328 |
!VisualComponent methodsFor:'change & update'! |
329 |
||
330 |
changedPreferredBounds: oldPreferredBoundsOrNil |
|
331 |
"The receiver is notifying any dependents that its preferredBounds has changed." |
|
332 |
||
333 |
self changed: #preferredBounds with: oldPreferredBoundsOrNil |
|
334 |
! ! |
|
335 |
||
265 | 336 |
!VisualComponent methodsFor:'displaying'! |
337 |
||
2210 | 338 |
displayOn:aGCOrStream |
406 | 339 |
"display the receiver on some graphicsContext. |
340 |
The sender is repsonsible for restoring the GC's state |
|
341 |
(i.e. it may be left in any undefined state)" |
|
342 |
||
2210 | 343 |
"/ what a kludge - Dolphin and Squeak mean: printOn: a stream; |
344 |
"/ ST/X (and some old ST80's) mean: draw-yourself on a GC. |
|
345 |
(aGCOrStream isStream or:[aGCOrStream == Transcript]) ifTrue:[ |
|
346 |
self printOn:aGCOrStream. |
|
347 |
^ self |
|
348 |
]. |
|
406 | 349 |
self subclassResponsibility |
350 |
||
2210 | 351 |
"Modified: / 10-02-1997 / 13:53:03 / cg" |
352 |
"Modified: / 11-09-2006 / 15:01:06 / User" |
|
406 | 353 |
! |
354 |
||
355 |
displayOn:aGC at:aPoint |
|
356 |
"display the receiver translated by some amount on some graphicsContext" |
|
357 |
||
265 | 358 |
|oldTranslation| |
359 |
||
360 |
oldTranslation := aGC translation. |
|
406 | 361 |
aGC translateBy:aPoint. |
265 | 362 |
self displayOn:aGC. |
363 |
aGC translation:oldTranslation |
|
364 |
||
406 | 365 |
"Created: 10.2.1997 / 13:47:18 / cg" |
366 |
"Modified: 10.2.1997 / 13:52:53 / cg" |
|
367 |
! |
|
368 |
||
369 |
displayOn:aGC x:x y:y |
|
370 |
"display the receiver translated by some amount on some graphicsContext" |
|
371 |
||
372 |
^ self displayOn:aGC at:(x @ y). |
|
373 |
||
374 |
"Modified: 10.2.1997 / 13:52:57 / cg" |
|
265 | 375 |
! ! |
376 |
||
245 | 377 |
!VisualComponent methodsFor:'event handling'! |
378 |
||
379 |
buttonPress:button x:x y:y |
|
246 | 380 |
"button was pressed over me - ignored here" |
245 | 381 |
|
246 | 382 |
"Modified: 9.5.1996 / 00:14:08 / cg" |
245 | 383 |
! |
384 |
||
385 |
buttonRelease:button x:x y:y |
|
246 | 386 |
"button was released over me - ignored here" |
245 | 387 |
|
388 |
"Created: 8.5.1996 / 23:38:30 / cg" |
|
246 | 389 |
"Modified: 9.5.1996 / 00:14:04 / cg" |
245 | 390 |
! |
391 |
||
321 | 392 |
containerChangedSize |
393 |
||
394 |
"Created: 19.7.1996 / 17:32:19 / cg" |
|
395 |
! |
|
396 |
||
397 |
containerMapped |
|
398 |
||
399 |
"Created: 19.7.1996 / 17:39:27 / cg" |
|
400 |
! |
|
401 |
||
402 |
containerUnmapped |
|
403 |
||
404 |
"Created: 19.7.1996 / 17:44:52 / cg" |
|
405 |
! |
|
406 |
||
407 |
destroy |
|
408 |
||
409 |
"Created: 19.7.1996 / 17:25:46 / cg" |
|
410 |
! |
|
411 |
||
2127 | 412 |
hasKeyboardFocus:aBoolean |
413 |
"notification from the windowGroup that I got the keyboardFocus." |
|
414 |
||
415 |
^ self |
|
416 |
||
417 |
"Created: / 6.7.1998 / 13:49:12 / cg" |
|
418 |
! |
|
419 |
||
245 | 420 |
keyPress:key x:x y:y |
246 | 421 |
"key was pressed over me - ignored here" |
245 | 422 |
|
423 |
"Created: 8.5.1996 / 23:46:03 / cg" |
|
246 | 424 |
"Modified: 9.5.1996 / 00:14:14 / cg" |
245 | 425 |
! |
426 |
||
427 |
keyRelease:key x:x y:y |
|
246 | 428 |
"key was released over me - ignored here" |
245 | 429 |
|
430 |
"Created: 8.5.1996 / 23:46:07 / cg" |
|
246 | 431 |
"Modified: 9.5.1996 / 00:14:19 / cg" |
994 | 432 |
! |
433 |
||
434 |
mapped |
|
435 |
||
436 |
"Created: / 6.7.1998 / 13:48:46 / cg" |
|
437 |
! |
|
438 |
||
439 |
showFocus:explicit |
|
440 |
||
441 |
"Created: / 6.7.1998 / 13:49:05 / cg" |
|
442 |
! |
|
443 |
||
444 |
showNoFocus:explicit |
|
445 |
||
446 |
"Created: / 6.7.1998 / 13:49:12 / cg" |
|
245 | 447 |
! ! |
448 |
||
449 |
!VisualComponent methodsFor:'initialization'! |
|
450 |
||
451 |
initialize |
|
452 |
||
406 | 453 |
"Modified: 10.2.1997 / 19:28:11 / cg" |
245 | 454 |
! ! |
455 |
||
265 | 456 |
!VisualComponent methodsFor:'queries'! |
457 |
||
994 | 458 |
delegate |
459 |
^ nil |
|
460 |
||
461 |
"Created: / 6.7.1998 / 13:50:10 / cg" |
|
462 |
! |
|
463 |
||
265 | 464 |
heightOn:aGC |
465 |
"return my height, if displayed on aGC; |
|
466 |
I assume that my height is independent of the device, and return |
|
467 |
the bounds height" |
|
468 |
||
469 |
^ self bounds height |
|
470 |
||
471 |
"Modified: 13.5.1996 / 10:15:13 / cg" |
|
472 |
! |
|
473 |
||
290
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|
474 |
isBorderedWrapper |
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|
475 |
^ false |
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|
476 |
|
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|
477 |
"Created: 5.6.1996 / 14:11:18 / cg" |
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|
478 |
! |
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|
479 |
|
2127 | 480 |
isCursorKeyConsumer |
481 |
^ false |
|
482 |
! |
|
483 |
||
1220
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parents:
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diff
changeset
|
484 |
isExternalTopView |
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parents:
994
diff
changeset
|
485 |
^ false |
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Claus Gittinger <cg@exept.de>
parents:
994
diff
changeset
|
486 |
|
39e5e28042da
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Claus Gittinger <cg@exept.de>
parents:
994
diff
changeset
|
487 |
"Created: / 6.7.1998 / 13:50:01 / cg" |
39e5e28042da
protocol fixes to make examples work again
Claus Gittinger <cg@exept.de>
parents:
994
diff
changeset
|
488 |
! |
39e5e28042da
protocol fixes to make examples work again
Claus Gittinger <cg@exept.de>
parents:
994
diff
changeset
|
489 |
|
39e5e28042da
protocol fixes to make examples work again
Claus Gittinger <cg@exept.de>
parents:
994
diff
changeset
|
490 |
isInputField |
39e5e28042da
protocol fixes to make examples work again
Claus Gittinger <cg@exept.de>
parents:
994
diff
changeset
|
491 |
^ false |
39e5e28042da
protocol fixes to make examples work again
Claus Gittinger <cg@exept.de>
parents:
994
diff
changeset
|
492 |
|
39e5e28042da
protocol fixes to make examples work again
Claus Gittinger <cg@exept.de>
parents:
994
diff
changeset
|
493 |
"Created: 19.7.1996 / 17:50:59 / cg" |
39e5e28042da
protocol fixes to make examples work again
Claus Gittinger <cg@exept.de>
parents:
994
diff
changeset
|
494 |
! |
39e5e28042da
protocol fixes to make examples work again
Claus Gittinger <cg@exept.de>
parents:
994
diff
changeset
|
495 |
|
39e5e28042da
protocol fixes to make examples work again
Claus Gittinger <cg@exept.de>
parents:
994
diff
changeset
|
496 |
isKeyboardConsumer |
39e5e28042da
protocol fixes to make examples work again
Claus Gittinger <cg@exept.de>
parents:
994
diff
changeset
|
497 |
^ false |
39e5e28042da
protocol fixes to make examples work again
Claus Gittinger <cg@exept.de>
parents:
994
diff
changeset
|
498 |
|
39e5e28042da
protocol fixes to make examples work again
Claus Gittinger <cg@exept.de>
parents:
994
diff
changeset
|
499 |
"Created: 19.7.1996 / 17:50:59 / cg" |
39e5e28042da
protocol fixes to make examples work again
Claus Gittinger <cg@exept.de>
parents:
994
diff
changeset
|
500 |
! |
39e5e28042da
protocol fixes to make examples work again
Claus Gittinger <cg@exept.de>
parents:
994
diff
changeset
|
501 |
|
321 | 502 |
isLayoutWrapper |
503 |
^ false |
|
504 |
||
505 |
"Created: 19.7.1996 / 17:50:59 / cg" |
|
506 |
! |
|
507 |
||
994 | 508 |
isRootView |
509 |
^ false |
|
510 |
||
511 |
"Created: / 6.7.1998 / 13:50:01 / cg" |
|
512 |
! |
|
513 |
||
290
d26dc55ac7e4
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|
514 |
isWrapper |
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274
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|
515 |
^ false |
d26dc55ac7e4
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274
diff
changeset
|
516 |
|
d26dc55ac7e4
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diff
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|
517 |
"Created: 5.6.1996 / 01:04:40 / cg" |
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|
518 |
! |
d26dc55ac7e4
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|
519 |
|
265 | 520 |
widthOn:aGC |
521 |
"return my width, if displayed on aGC; |
|
522 |
I assume that my width is independent of the device, and return |
|
523 |
the bounds width" |
|
524 |
||
525 |
^ self bounds width |
|
526 |
||
527 |
"Created: 13.5.1996 / 10:14:44 / cg" |
|
528 |
"Modified: 13.5.1996 / 10:15:17 / cg" |
|
529 |
! ! |
|
530 |
||
247 | 531 |
!VisualComponent methodsFor:'testing'! |
532 |
||
533 |
containsPoint:aPoint |
|
534 |
"return true, if the receiver contains aPoint" |
|
535 |
||
536 |
^ self bounds containsPoint:aPoint |
|
537 |
||
538 |
"Created: 9.5.1996 / 00:21:44 / cg" |
|
539 |
"Modified: 9.5.1996 / 00:22:00 / cg" |
|
540 |
! |
|
541 |
||
542 |
hasBorder |
|
543 |
"return true, if the receiver shows a border" |
|
544 |
||
545 |
^ false |
|
546 |
||
547 |
"Modified: 9.5.1996 / 00:21:29 / cg" |
|
548 |
! |
|
549 |
||
550 |
intersects:aRectangle |
|
551 |
"return true, if the receivers bounds intersects aRectangle" |
|
552 |
||
553 |
^ self bounds intersects:aRectangle |
|
554 |
||
555 |
"Created: 9.5.1996 / 00:21:18 / cg" |
|
556 |
"Modified: 9.5.1996 / 00:22:04 / cg" |
|
557 |
! ! |
|
558 |
||
365 | 559 |
!VisualComponent class methodsFor:'documentation'! |
245 | 560 |
|
561 |
version |
|
2659 | 562 |
^ '$Header: /cvs/stx/stx/libview2/VisualComponent.st,v 1.23 2009-05-08 11:47:57 cg Exp $' |
245 | 563 |
! ! |