author | Claus Gittinger <cg@exept.de> |
Sat, 27 Apr 1996 20:21:37 +0200 | |
changeset 593 | 86dd024ed773 |
parent 585 | 8f395aba0173 |
child 608 | aedd7bf72edc |
permissions | -rw-r--r-- |
0 | 1 |
" |
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COPYRIGHT (c) 1991 by Claus Gittinger |
59 | 3 |
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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SimpleView subclass:#FramedBox |
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instanceVariableNames:'label labelPosition fgColor showFrame frame3D horizontalSpace |
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verticalSpace innerHorizontalSpace innerVerticalSpace' |
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classVariableNames:'' |
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poolDictionaries:'' |
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category:'Views-Layout' |
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! |
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||
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!FramedBox class methodsFor:'documentation'! |
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||
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copyright |
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" |
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COPYRIGHT (c) 1991 by Claus Gittinger |
|
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All Rights Reserved |
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|
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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 |
|
30 |
inclusion of the above copyright notice. This software may not |
|
31 |
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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||
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documentation |
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" |
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a frame around something. The frame may have a label, whose position |
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is controlled by the labelPosition variable, a symbol which may be one of: |
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[#topCenter #topLeft #topRight #bottomLeft #bottomCenter #bottomRight] |
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The default labelPosition is controlled by the styleSheet variable: |
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'framedBoxLabelPosition' (usually, #topCenter). |
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Its also possible, to not show the frame but only the label, by setting |
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showFrame to false. |
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The distance from the outer viewBorder to the frame is controlled by |
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horizontalSpace / verticalSpace. The default is the fonts height. |
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The distance from the frame to the interior area is controlled by |
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innerHorizontalSpace / innerVerticalSpace. The default is 0. |
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[author:] |
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Claus Gittinger |
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" |
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! |
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||
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examples |
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" |
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simple: |
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[exBegin] |
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|top frame1 frame2 frame3| |
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top := StandardSystemView new. |
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top extent:300@200. |
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frame1 := FramedBox origin:0.0@0.0 corner:0.5@0.5 in:top. |
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frame1 label:'frame1'. |
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frame2 := FramedBox origin:0.5@0.0 corner:1.0@0.5 in:top. |
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frame2 label:'frame2'. |
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frame3 := FramedBox origin:0.0@0.5 corner:1.0@1.0 in:top. |
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frame3 label:'frame3'. |
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top open |
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[exEnd] |
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placing something inside: |
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[exBegin] |
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|top frame1 frame2 frame3 v1 v2 v3| |
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top := StandardSystemView new. |
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top extent:300@200. |
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frame1 := FramedBox origin:0.0@0.0 corner:0.5@0.5 in:top. |
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frame1 label:'frame1'. |
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v1 := View origin:0.0@0.0 corner:1.0@1.0 in:frame1. |
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v1 viewBackground:(Color yellow); |
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level:1. |
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frame2 := FramedBox origin:0.5@0.0 corner:1.0@0.5 in:top. |
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frame2 label:'frame2'. |
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v2 := View origin:0.0@0.0 corner:1.0@1.0 in:frame2. |
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v2 viewBackground:(Color red); |
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level:1. |
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frame3 := FramedBox origin:0.0@0.5 corner:1.0@1.0 in:top. |
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frame3 label:'frame3'. |
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v3 := View origin:0.0@0.0 corner:1.0@1.0 in:frame3. |
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v3 viewBackground:(Color green); |
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level:1. |
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top open |
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[exEnd] |
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|
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|
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placing something inside a frame in a dialog: |
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[exBegin] |
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|box panel frame1 frame2 frame3 v1 v1b v2 v3| |
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|
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box := Dialog new. |
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|
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frame1 := FramedBox label:'frame1'. |
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panel := HorizontalPanelView origin:0.0@0.0 corner:1.0@1.0 in:frame1. |
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v1 := View extent:100@100 in:panel. |
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v1 viewBackground:(Color red); |
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level:1. |
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v1b := View extent:100@100 in:panel. |
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v1b viewBackground:(Color yellow); |
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level:1. |
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box addComponent:frame1. |
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frame2 := FramedBox label:'frame2'. |
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v2 := View origin:0.0@0.0 corner:1.0@1.0 in:frame2. |
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v2 viewBackground:(Color green); |
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level:1. |
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box addComponent:frame2. |
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frame3 := FramedBox label:'frame3'. |
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v3 := View origin:0.0@0.0 corner:1.0@1.0 in:frame3. |
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v3 viewBackground:(Color blue); |
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level:1. |
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box addComponent:frame3. |
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box addOkButton. |
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box stickAtBottomWithVariableHeight:frame3. |
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box open |
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[exEnd] |
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|
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|
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placing something inside a frame in a dialog: |
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[exBegin] |
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|box panel frame1 frame2 frame3 v1 v1b v2 v3| |
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box := Dialog new. |
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frame1 := FramedBox label:'frame1'. |
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panel := VerticalPanelView origin:0.0@0.0 corner:1.0@1.0 in:frame1. |
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v1 := View extent:100@100 in:panel. |
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v1 viewBackground:(Color red); |
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level:1. |
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v1b := View extent:100@100 in:panel. |
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v1b viewBackground:(Color yellow); |
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level:1. |
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box addComponent:frame1. |
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frame2 := FramedBox label:'frame2'. |
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v2 := View origin:0.0@0.0 corner:1.0@1.0 in:frame2. |
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v2 viewBackground:(Color green); |
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level:1. |
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box addComponent:frame2. |
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frame3 := FramedBox label:'frame3'. |
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v3 := View origin:0.0@0.0 corner:1.0@1.0 in:frame3. |
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v3 viewBackground:(Color blue); |
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level:1. |
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box addComponent:frame3. |
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box addOkButton. |
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box stickAtBottomWithVariableHeight:frame3. |
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box open |
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[exEnd] |
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simple again, default spacings: |
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[exBegin] |
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|top frame v| |
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top := StandardSystemView new. |
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top extent:300@200. |
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frame := FramedBox origin:0.0@0.0 corner:0.5@0.5 in:top. |
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frame label:'frame'. |
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v := View origin:0.0@0.0 corner:1.0@1.0 in:frame. |
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v viewBackground:(Color yellow); level:1. |
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193 |
|
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194 |
top open |
593 | 195 |
[exEnd] |
125 | 196 |
|
197 |
||
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198 |
changing spacings: |
593 | 199 |
[exBegin] |
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|top frame v| |
0 | 201 |
|
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top := StandardSystemView new. |
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top extent:300@200. |
125 | 204 |
|
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frame := FramedBox origin:0.0@0.0 corner:0.5@0.5 in:top. |
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frame label:'frame'. |
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frame horizontalSpace:30. |
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frame verticalSpace:20. |
125 | 209 |
|
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v := View origin:0.0@0.0 corner:1.0@1.0 in:frame. |
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v viewBackground:(Color yellow); level:1. |
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212 |
|
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213 |
top open |
593 | 214 |
[exEnd] |
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215 |
|
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216 |
|
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217 |
changing inner spacings: |
593 | 218 |
[exBegin] |
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219 |
|top frame v| |
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220 |
|
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top := StandardSystemView new. |
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top extent:300@200. |
125 | 223 |
|
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frame := FramedBox origin:0.0@0.0 corner:0.5@0.5 in:top. |
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frame label:'frame'. |
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frame innerHorizontalSpace:30. |
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frame innerVerticalSpace:20. |
0 | 228 |
|
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v := View origin:0.0@0.0 corner:1.0@1.0 in:frame. |
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v viewBackground:(Color yellow); level:1. |
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231 |
|
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232 |
top open |
593 | 233 |
[exEnd] |
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234 |
|
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235 |
|
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label only (no frame around): |
593 | 237 |
[exBegin] |
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238 |
|top frame v| |
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239 |
|
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240 |
top := StandardSystemView new. |
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top extent:300@200. |
0 | 242 |
|
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frame := FramedBox origin:0.0@0.0 corner:0.5@0.5 in:top. |
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frame label:'frame'. |
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frame showFrame:false. |
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246 |
|
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v := View origin:0.0@0.0 corner:1.0@1.0 in:frame. |
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v viewBackground:(Color yellow); level:1. |
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249 |
|
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top open |
593 | 251 |
[exEnd] |
125 | 252 |
" |
195 | 253 |
! ! |
254 |
||
255 |
!FramedBox methodsFor:'accessing'! |
|
256 |
||
257 |
font:aFont |
|
258 |
"set the frame labelstrings font" |
|
259 |
||
260 |
(font ~= aFont) ifTrue:[ |
|
261 |
super font:aFont. |
|
262 |
self redrawIfShown |
|
263 |
] |
|
264 |
! |
|
265 |
||
266 |
foregroundColor |
|
267 |
"return the frame labels foreground color" |
|
268 |
||
269 |
^ fgColor |
|
270 |
! |
|
271 |
||
272 |
foregroundColor:aColor |
|
273 |
"set the frame labels foreground color" |
|
274 |
||
275 |
aColor ~= fgColor ifTrue:[ |
|
276 |
fgColor := aColor. |
|
277 |
self redrawIfShown |
|
278 |
] |
|
279 |
! |
|
280 |
||
281 |
frameShown |
|
282 |
"return true, if frame is shown; |
|
283 |
if false, oly the label is shown. |
|
284 |
OBSOLETE; use #showFrame." |
|
285 |
||
286 |
^ showFrame |
|
287 |
! |
|
288 |
||
289 |
horizontalSpace |
|
290 |
"return the number of pixels by which the frame is inset horizontally. |
|
291 |
The default, nil, lets the box compute the horizontal inset from the |
|
292 |
labels font height." |
|
293 |
||
294 |
^ horizontalSpace |
|
295 |
||
296 |
"Modified: 5.9.1995 / 17:24:21 / claus" |
|
297 |
! |
|
298 |
||
299 |
horizontalSpace:aNumber |
|
300 |
"set the number of pixels by which the frame is inset horizontally. |
|
301 |
The default, nil, lets the box compute the horizontal inset from the |
|
302 |
labels font height." |
|
303 |
||
304 |
horizontalSpace := aNumber |
|
305 |
! |
|
306 |
||
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307 |
innerHorizontalSpace:aNumber |
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308 |
"set the number of pixels by which the interior is inset horizontally from the frame. |
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309 |
The default is 0" |
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310 |
|
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311 |
innerHorizontalSpace := aNumber |
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312 |
|
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313 |
"Created: 10.1.1996 / 14:39:20 / cg" |
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314 |
! |
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315 |
|
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316 |
innerVerticalSpace:aNumber |
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317 |
"set the number of pixels by which the interior is inset vertically from the frame. |
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318 |
The default is 0" |
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|
319 |
|
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320 |
innerVerticalSpace := aNumber |
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321 |
|
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322 |
"Created: 10.1.1996 / 14:39:35 / cg" |
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323 |
! |
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324 |
|
195 | 325 |
label |
326 |
"return the frames labelstring" |
|
327 |
||
328 |
^ label |
|
329 |
! |
|
330 |
||
331 |
label:aString |
|
332 |
"set the frames labelstring" |
|
333 |
||
334 |
(label ~= aString) ifTrue:[ |
|
335 |
aString isEmpty ifTrue:[ |
|
336 |
label := nil |
|
337 |
] ifFalse:[ |
|
338 |
label := aString. |
|
339 |
]. |
|
340 |
self redrawIfShown |
|
341 |
] |
|
342 |
||
343 |
"Modified: 5.9.1995 / 17:20:05 / claus" |
|
344 |
! |
|
345 |
||
346 |
labelPosition |
|
347 |
"return the labelPosition, which is a symbol describing |
|
348 |
the labels position." |
|
349 |
||
350 |
^ labelPosition |
|
351 |
! |
|
352 |
||
353 |
labelPosition:aSymbol |
|
354 |
"define the position of the label; |
|
355 |
aSymbol may be one of: |
|
356 |
#topLeft, #topCenter, #topRight; |
|
357 |
#bottomLeft, #bottomCenter or #bottomRight" |
|
358 |
||
359 |
labelPosition ~~ aSymbol ifTrue:[ |
|
360 |
labelPosition := aSymbol. |
|
361 |
self redrawIfShown |
|
362 |
] |
|
363 |
! |
|
364 |
||
365 |
layout |
|
366 |
"OBSOLETE compatibility interface. Will vanish" |
|
367 |
||
368 |
self obsoleteMethodWarning:'use #labelPosition'. |
|
369 |
^ labelPosition |
|
370 |
! |
|
371 |
||
372 |
layout:something |
|
373 |
"OBSOLETE compatibility interface. Will vanish. |
|
374 |
In the meantime, try to figure out what is meant ... a kludge" |
|
375 |
||
376 |
something isLayout ifTrue:[^ super layout:something]. |
|
377 |
||
378 |
self obsoleteMethodWarning:'use #labelPosition:'. |
|
379 |
^ self labelPosition:something |
|
380 |
||
381 |
"Modified: 31.8.1995 / 23:07:00 / claus" |
|
382 |
! |
|
383 |
||
384 |
showFrame |
|
385 |
"return if the view shows its frame. |
|
386 |
If false, only the label is drawn" |
|
387 |
||
388 |
^ showFrame |
|
389 |
||
390 |
"Modified: 5.9.1995 / 17:21:37 / claus" |
|
391 |
! |
|
392 |
||
393 |
showFrame:aBoolean |
|
394 |
"turn on/off showing of the frame - |
|
395 |
without a frame, only the label is shown at its position" |
|
396 |
||
397 |
aBoolean ~~ showFrame ifTrue:[ |
|
398 |
showFrame := aBoolean. |
|
399 |
self redrawIfShown |
|
400 |
] |
|
277
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|
401 |
! |
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|
402 |
|
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|
403 |
verticalSpace |
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|
404 |
"return the number of pixels by which the frame is inset vertically. |
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|
405 |
The default, nil, lets the box compute the vertical inset from the |
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|
406 |
labels font height." |
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|
407 |
|
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|
408 |
^ verticalSpace |
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|
409 |
|
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|
410 |
"Modified: 5.9.1995 / 17:24:21 / claus" |
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|
411 |
"Created: 10.1.1996 / 14:38:21 / cg" |
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|
412 |
! |
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|
413 |
|
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|
414 |
verticalSpace:aNumber |
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|
415 |
"set the number of pixels by which the frame is inset vertically. |
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changeset
|
416 |
The default, nil, lets the box compute the vertical inset from the |
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|
417 |
labels font height." |
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changeset
|
418 |
|
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|
419 |
verticalSpace := aNumber |
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|
420 |
|
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|
421 |
"Created: 10.1.1996 / 14:38:31 / cg" |
0 | 422 |
! ! |
423 |
||
424 |
!FramedBox methodsFor:'drawing'! |
|
425 |
||
426 |
drawFrame |
|
427 |
"redraw the frame" |
|
428 |
||
133 | 429 |
|halfSepX halfSepY w h| |
0 | 430 |
|
38 | 431 |
" |
432 |
if there is no label, give more real estate to the inside |
|
433 |
" |
|
434 |
label isNil ifTrue:[ |
|
277
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|
435 |
halfSepX := halfSepY := 2 |
38 | 436 |
] ifFalse:[ |
277
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|
437 |
halfSepX := halfSepY := font height // 2. |
38 | 438 |
]. |
277
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|
439 |
|
133 | 440 |
horizontalSpace notNil ifTrue:[ |
277
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changeset
|
441 |
halfSepX := horizontalSpace. |
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changeset
|
442 |
]. |
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changeset
|
443 |
verticalSpace notNil ifTrue:[ |
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|
444 |
halfSepY := verticalSpace. |
133 | 445 |
]. |
38 | 446 |
|
133 | 447 |
w := width - halfSepX - halfSepX. |
448 |
h := height - halfSepY - halfSepY. |
|
38 | 449 |
|
59 | 450 |
frame3D ifFalse:[ |
277
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changeset
|
451 |
self displayRectangleX:halfSepX |
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changeset
|
452 |
y:halfSepY |
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changeset
|
453 |
width:w |
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changeset
|
454 |
height:h. |
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changeset
|
455 |
^ self |
0 | 456 |
]. |
38 | 457 |
|
458 |
w := w + 1. |
|
459 |
h := h + 1. |
|
7 | 460 |
|
0 | 461 |
self paint:shadowColor. |
133 | 462 |
self displayRectangleX:halfSepX-1 |
277
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changeset
|
463 |
y:halfSepY-1 |
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diff
changeset
|
464 |
width:w |
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465 |
height:h. |
0 | 466 |
|
38 | 467 |
self paint:lightColor. |
133 | 468 |
self displayRectangleX:halfSepX |
277
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|
469 |
y:halfSepY |
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470 |
width:w |
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|
471 |
height:h |
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472 |
|
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473 |
"Modified: 10.1.1996 / 14:41:19 / cg" |
0 | 474 |
! |
475 |
||
476 |
redraw |
|
477 |
"redraw the frame and name if present" |
|
478 |
||
479 |
|labelLen l x y| |
|
480 |
||
481 |
label isNil ifTrue:[ |
|
59 | 482 |
labelLen := 0 |
0 | 483 |
] ifFalse:[ |
59 | 484 |
l := ' ' , label , ' '. |
485 |
labelLen := font widthOf:l |
|
0 | 486 |
]. |
487 |
||
38 | 488 |
showFrame ifTrue:[ |
59 | 489 |
self drawFrame. |
38 | 490 |
]. |
491 |
||
0 | 492 |
labelLen > 0 ifTrue:[ |
59 | 493 |
labelLen < width ifTrue:[ |
130 | 494 |
(labelPosition == #topLeft |
495 |
or:[labelPosition == #topCenter |
|
496 |
or:[labelPosition == #topRight]]) ifTrue:[ |
|
497 |
" |
|
498 |
label at top |
|
499 |
" |
|
59 | 500 |
y := font ascent. |
501 |
] ifFalse:[ |
|
130 | 502 |
" |
503 |
label at bottom |
|
504 |
" |
|
59 | 505 |
y := height - font descent. |
506 |
]. |
|
130 | 507 |
(labelPosition == #topLeft |
508 |
or:[labelPosition == #bottomLeft]) ifTrue:[ |
|
509 |
" |
|
510 |
label at left |
|
511 |
" |
|
59 | 512 |
x := font height |
513 |
] ifFalse:[ |
|
130 | 514 |
(labelPosition == #topRight |
515 |
or:[labelPosition == #bottomRight]) ifTrue:[ |
|
516 |
" |
|
517 |
label at right |
|
518 |
" |
|
59 | 519 |
x := width - labelLen - font height |
520 |
] ifFalse:[ |
|
130 | 521 |
" |
522 |
label at center |
|
523 |
" |
|
59 | 524 |
x := (width - labelLen) // 2 |
525 |
] |
|
526 |
]. |
|
527 |
self paint:fgColor on:viewBackground. |
|
528 |
self displayOpaqueString:l x:x y:y |
|
529 |
] |
|
0 | 530 |
] |
531 |
! ! |
|
532 |
||
195 | 533 |
!FramedBox methodsFor:'event handling'! |
534 |
||
535 |
sizeChanged:how |
|
536 |
self redrawIfShown. |
|
537 |
super sizeChanged:how |
|
538 |
! ! |
|
539 |
||
540 |
!FramedBox methodsFor:'initialization'! |
|
541 |
||
542 |
initStyle |
|
543 |
"default position is top-center, except for ms-windows, where |
|
544 |
the text is positioned at top-left" |
|
545 |
||
546 |
super initStyle. |
|
547 |
||
548 |
fgColor := StyleSheet at:'framedBoxForegroundColor' default:Black. |
|
549 |
labelPosition := StyleSheet at:'framedBoxLabelPosition' default:#topCenter. |
|
550 |
frame3D := StyleSheet at:'framedBox3DFrame' default:true. |
|
551 |
borderWidth := 0. |
|
552 |
! |
|
553 |
||
554 |
initialize |
|
277
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555 |
innerHorizontalSpace := innerVerticalSpace := 0. |
195 | 556 |
super initialize. |
557 |
showFrame := true |
|
277
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558 |
|
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559 |
"Modified: 10.1.1996 / 14:38:40 / cg" |
195 | 560 |
! ! |
561 |
||
562 |
!FramedBox methodsFor:'private'! |
|
563 |
||
564 |
redrawIfShown |
|
565 |
shown ifTrue:[ |
|
566 |
self clear. |
|
567 |
self redraw |
|
568 |
] |
|
569 |
! ! |
|
570 |
||
125 | 571 |
!FramedBox methodsFor:'queries'! |
572 |
||
195 | 573 |
preferredExtent |
572 | 574 |
"compute the boxes preferredExtent from the components' sizes. |
575 |
Redefined to add space for the frame to the default extent" |
|
195 | 576 |
|
577 |
|m2 sep| |
|
578 |
||
579 |
sep := font height. |
|
580 |
m2 := sep + sep. |
|
581 |
||
582 |
showFrame ifFalse:[ |
|
572 | 583 |
^ super preferredExtent + (0 @ m2) |
195 | 584 |
]. |
585 |
^ super preferredExtent+(m2 @ m2) |
|
572 | 586 |
|
587 |
"Modified: 23.4.1996 / 00:15:04 / cg" |
|
195 | 588 |
! |
589 |
||
125 | 590 |
viewRectangle |
591 |
"return the inside area |
|
592 |
- redefined to save frame from relative computations." |
|
593 |
||
277
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594 |
|mH mV sepH sepV imH imV| |
125 | 595 |
|
277
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596 |
sepH := sepV := font height. |
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597 |
horizontalSpace notNil ifTrue:[ |
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|
598 |
sepH := horizontalSpace |
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|
599 |
]. |
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|
600 |
verticalSpace notNil ifTrue:[ |
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|
601 |
sepV := verticalSpace |
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|
602 |
]. |
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|
603 |
|
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|
604 |
mH := sepH * 2. |
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605 |
mV := sepV * 2. |
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|
606 |
imH := innerHorizontalSpace * 2. |
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607 |
imV := innerVerticalSpace * 2. |
125 | 608 |
|
609 |
showFrame ifFalse:[ |
|
277
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610 |
sepH := mH := 0. |
125 | 611 |
]. |
277
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|
612 |
^ ((sepH + innerHorizontalSpace) @ (innerVerticalSpace + sepV)) |
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|
613 |
extent:((width - imH - mH) @ (height - imV - mV)) |
125 | 614 |
|
615 |
"/ |m2 sepH sepV| |
|
616 |
"/ |
|
617 |
"/ sepV := font height. |
|
618 |
"/ |
|
619 |
"/ showFrame ifFalse:[ |
|
620 |
"/ ^ (0 @ sepV) extent:(width @ (height - sepV - sepV)) |
|
621 |
"/ ]. |
|
622 |
"/ sepH := sepV // 2. |
|
623 |
"/ ^ (sepH @ sepH) extent:((width - sepH - sepH) @ (height - sepV - sepV)) |
|
277
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changeset
|
624 |
|
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changeset
|
625 |
"Modified: 10.1.1996 / 14:51:46 / cg" |
125 | 626 |
! ! |
627 |
||
205 | 628 |
!FramedBox class methodsFor:'documentation'! |
629 |
||
630 |
version |
|
593 | 631 |
^ '$Header: /cvs/stx/stx/libwidg/FramedBox.st,v 1.22 1996-04-27 18:19:55 cg Exp $' |
205 | 632 |
! ! |