author | Claus Gittinger <cg@exept.de> |
Wed, 22 May 1996 13:18:22 +0200 | |
changeset 664 | 57763dde86f3 |
parent 608 | aedd7bf72edc |
child 685 | 48b91a79927d |
permissions | -rw-r--r-- |
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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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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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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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!FramedBox class methodsFor:'documentation'! |
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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 |
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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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||
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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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examples |
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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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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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|
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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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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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200 |
|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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236 |
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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250 |
top open |
593 | 251 |
[exEnd] |
125 | 252 |
" |
195 | 253 |
! ! |
254 |
||
255 |
!FramedBox methodsFor:'accessing'! |
|
256 |
||
257 |
font:aFont |
|
664 | 258 |
"set the frame labelstrings font. |
259 |
CAVEAT: with the addition of Text objects, |
|
260 |
this method is going to be obsoleted by a textStyle |
|
261 |
method, which allows specific control over |
|
262 |
normalFont/boldFont/italicFont parameters." |
|
195 | 263 |
|
264 |
(font ~= aFont) ifTrue:[ |
|
664 | 265 |
super font:aFont. |
266 |
self redrawIfShown |
|
195 | 267 |
] |
664 | 268 |
|
269 |
"Modified: 22.5.1996 / 12:36:20 / cg" |
|
195 | 270 |
! |
271 |
||
272 |
foregroundColor |
|
273 |
"return the frame labels foreground color" |
|
274 |
||
275 |
^ fgColor |
|
276 |
! |
|
277 |
||
278 |
foregroundColor:aColor |
|
279 |
"set the frame labels foreground color" |
|
280 |
||
281 |
aColor ~= fgColor ifTrue:[ |
|
282 |
fgColor := aColor. |
|
283 |
self redrawIfShown |
|
284 |
] |
|
285 |
! |
|
286 |
||
287 |
frameShown |
|
288 |
"return true, if frame is shown; |
|
289 |
if false, oly the label is shown. |
|
290 |
OBSOLETE; use #showFrame." |
|
291 |
||
292 |
^ showFrame |
|
293 |
! |
|
294 |
||
295 |
horizontalSpace |
|
296 |
"return the number of pixels by which the frame is inset horizontally. |
|
297 |
The default, nil, lets the box compute the horizontal inset from the |
|
298 |
labels font height." |
|
299 |
||
300 |
^ horizontalSpace |
|
301 |
||
302 |
"Modified: 5.9.1995 / 17:24:21 / claus" |
|
303 |
! |
|
304 |
||
305 |
horizontalSpace:aNumber |
|
306 |
"set the number of pixels by which the frame is inset horizontally. |
|
307 |
The default, nil, lets the box compute the horizontal inset from the |
|
308 |
labels font height." |
|
309 |
||
310 |
horizontalSpace := aNumber |
|
311 |
! |
|
312 |
||
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313 |
innerHorizontalSpace:aNumber |
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314 |
"set the number of pixels by which the interior is inset horizontally from the frame. |
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315 |
The default is 0" |
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316 |
|
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317 |
innerHorizontalSpace := aNumber |
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318 |
|
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319 |
"Created: 10.1.1996 / 14:39:20 / cg" |
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320 |
! |
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|
321 |
|
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322 |
innerVerticalSpace:aNumber |
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323 |
"set the number of pixels by which the interior is inset vertically from the frame. |
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324 |
The default is 0" |
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|
325 |
|
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326 |
innerVerticalSpace := aNumber |
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327 |
|
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328 |
"Created: 10.1.1996 / 14:39:35 / cg" |
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329 |
! |
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|
330 |
|
195 | 331 |
label |
332 |
"return the frames labelstring" |
|
333 |
||
334 |
^ label |
|
335 |
! |
|
336 |
||
337 |
label:aString |
|
338 |
"set the frames labelstring" |
|
339 |
||
340 |
(label ~= aString) ifTrue:[ |
|
341 |
aString isEmpty ifTrue:[ |
|
342 |
label := nil |
|
343 |
] ifFalse:[ |
|
344 |
label := aString. |
|
345 |
]. |
|
346 |
self redrawIfShown |
|
347 |
] |
|
348 |
||
349 |
"Modified: 5.9.1995 / 17:20:05 / claus" |
|
350 |
! |
|
351 |
||
352 |
labelPosition |
|
353 |
"return the labelPosition, which is a symbol describing |
|
354 |
the labels position." |
|
355 |
||
356 |
^ labelPosition |
|
357 |
! |
|
358 |
||
359 |
labelPosition:aSymbol |
|
360 |
"define the position of the label; |
|
361 |
aSymbol may be one of: |
|
362 |
#topLeft, #topCenter, #topRight; |
|
363 |
#bottomLeft, #bottomCenter or #bottomRight" |
|
364 |
||
365 |
labelPosition ~~ aSymbol ifTrue:[ |
|
366 |
labelPosition := aSymbol. |
|
367 |
self redrawIfShown |
|
368 |
] |
|
369 |
! |
|
370 |
||
371 |
layout |
|
372 |
"OBSOLETE compatibility interface. Will vanish" |
|
373 |
||
374 |
self obsoleteMethodWarning:'use #labelPosition'. |
|
375 |
^ labelPosition |
|
376 |
! |
|
377 |
||
378 |
layout:something |
|
379 |
"OBSOLETE compatibility interface. Will vanish. |
|
380 |
In the meantime, try to figure out what is meant ... a kludge" |
|
381 |
||
382 |
something isLayout ifTrue:[^ super layout:something]. |
|
383 |
||
384 |
self obsoleteMethodWarning:'use #labelPosition:'. |
|
385 |
^ self labelPosition:something |
|
386 |
||
387 |
"Modified: 31.8.1995 / 23:07:00 / claus" |
|
388 |
! |
|
389 |
||
390 |
showFrame |
|
391 |
"return if the view shows its frame. |
|
392 |
If false, only the label is drawn" |
|
393 |
||
394 |
^ showFrame |
|
395 |
||
396 |
"Modified: 5.9.1995 / 17:21:37 / claus" |
|
397 |
! |
|
398 |
||
399 |
showFrame:aBoolean |
|
400 |
"turn on/off showing of the frame - |
|
401 |
without a frame, only the label is shown at its position" |
|
402 |
||
403 |
aBoolean ~~ showFrame ifTrue:[ |
|
404 |
showFrame := aBoolean. |
|
405 |
self redrawIfShown |
|
406 |
] |
|
277
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|
407 |
! |
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|
408 |
|
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|
409 |
verticalSpace |
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|
410 |
"return the number of pixels by which the frame is inset vertically. |
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|
411 |
The default, nil, lets the box compute the vertical inset from the |
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|
412 |
labels font height." |
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|
413 |
|
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|
414 |
^ verticalSpace |
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|
415 |
|
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|
416 |
"Modified: 5.9.1995 / 17:24:21 / claus" |
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|
417 |
"Created: 10.1.1996 / 14:38:21 / cg" |
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|
418 |
! |
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changeset
|
419 |
|
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|
420 |
verticalSpace:aNumber |
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|
421 |
"set the number of pixels by which the frame is inset vertically. |
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changeset
|
422 |
The default, nil, lets the box compute the vertical inset from the |
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changeset
|
423 |
labels font height." |
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changeset
|
424 |
|
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|
425 |
verticalSpace := aNumber |
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changeset
|
426 |
|
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|
427 |
"Created: 10.1.1996 / 14:38:31 / cg" |
0 | 428 |
! ! |
429 |
||
430 |
!FramedBox methodsFor:'drawing'! |
|
431 |
||
432 |
drawFrame |
|
433 |
"redraw the frame" |
|
434 |
||
133 | 435 |
|halfSepX halfSepY w h| |
0 | 436 |
|
38 | 437 |
" |
438 |
if there is no label, give more real estate to the inside |
|
439 |
" |
|
440 |
label isNil ifTrue:[ |
|
277
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|
441 |
halfSepX := halfSepY := 2 |
38 | 442 |
] ifFalse:[ |
277
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|
443 |
halfSepX := halfSepY := font height // 2. |
38 | 444 |
]. |
277
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|
445 |
|
133 | 446 |
horizontalSpace notNil ifTrue:[ |
277
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changeset
|
447 |
halfSepX := horizontalSpace. |
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changeset
|
448 |
]. |
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changeset
|
449 |
verticalSpace notNil ifTrue:[ |
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|
450 |
halfSepY := verticalSpace. |
133 | 451 |
]. |
38 | 452 |
|
133 | 453 |
w := width - halfSepX - halfSepX. |
454 |
h := height - halfSepY - halfSepY. |
|
38 | 455 |
|
59 | 456 |
frame3D ifFalse:[ |
277
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changeset
|
457 |
self displayRectangleX:halfSepX |
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changeset
|
458 |
y:halfSepY |
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changeset
|
459 |
width:w |
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changeset
|
460 |
height:h. |
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changeset
|
461 |
^ self |
0 | 462 |
]. |
38 | 463 |
|
464 |
w := w + 1. |
|
465 |
h := h + 1. |
|
7 | 466 |
|
0 | 467 |
self paint:shadowColor. |
133 | 468 |
self displayRectangleX:halfSepX-1 |
277
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469 |
y:halfSepY-1 |
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470 |
width:w |
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471 |
height:h. |
0 | 472 |
|
38 | 473 |
self paint:lightColor. |
133 | 474 |
self displayRectangleX:halfSepX |
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475 |
y:halfSepY |
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476 |
width:w |
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|
477 |
height:h |
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|
478 |
|
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479 |
"Modified: 10.1.1996 / 14:41:19 / cg" |
0 | 480 |
! |
481 |
||
482 |
redraw |
|
483 |
"redraw the frame and name if present" |
|
484 |
||
485 |
|labelLen l x y| |
|
486 |
||
487 |
label isNil ifTrue:[ |
|
59 | 488 |
labelLen := 0 |
0 | 489 |
] ifFalse:[ |
59 | 490 |
l := ' ' , label , ' '. |
491 |
labelLen := font widthOf:l |
|
0 | 492 |
]. |
493 |
||
38 | 494 |
showFrame ifTrue:[ |
59 | 495 |
self drawFrame. |
38 | 496 |
]. |
497 |
||
0 | 498 |
labelLen > 0 ifTrue:[ |
59 | 499 |
labelLen < width ifTrue:[ |
130 | 500 |
(labelPosition == #topLeft |
501 |
or:[labelPosition == #topCenter |
|
502 |
or:[labelPosition == #topRight]]) ifTrue:[ |
|
503 |
" |
|
504 |
label at top |
|
505 |
" |
|
59 | 506 |
y := font ascent. |
507 |
] ifFalse:[ |
|
130 | 508 |
" |
509 |
label at bottom |
|
510 |
" |
|
59 | 511 |
y := height - font descent. |
512 |
]. |
|
130 | 513 |
(labelPosition == #topLeft |
514 |
or:[labelPosition == #bottomLeft]) ifTrue:[ |
|
515 |
" |
|
516 |
label at left |
|
517 |
" |
|
59 | 518 |
x := font height |
519 |
] ifFalse:[ |
|
130 | 520 |
(labelPosition == #topRight |
521 |
or:[labelPosition == #bottomRight]) ifTrue:[ |
|
522 |
" |
|
523 |
label at right |
|
524 |
" |
|
59 | 525 |
x := width - labelLen - font height |
526 |
] ifFalse:[ |
|
130 | 527 |
" |
528 |
label at center |
|
529 |
" |
|
59 | 530 |
x := (width - labelLen) // 2 |
531 |
] |
|
532 |
]. |
|
533 |
self paint:fgColor on:viewBackground. |
|
534 |
self displayOpaqueString:l x:x y:y |
|
535 |
] |
|
0 | 536 |
] |
537 |
! ! |
|
538 |
||
195 | 539 |
!FramedBox methodsFor:'event handling'! |
540 |
||
541 |
sizeChanged:how |
|
542 |
self redrawIfShown. |
|
543 |
super sizeChanged:how |
|
544 |
! ! |
|
545 |
||
546 |
!FramedBox methodsFor:'initialization'! |
|
547 |
||
548 |
initStyle |
|
549 |
"default position is top-center, except for ms-windows, where |
|
550 |
the text is positioned at top-left" |
|
551 |
||
608 | 552 |
<resource: #style (#framedBoxForegroundColor |
553 |
#framedBoxLabelPosition |
|
554 |
#framedBox3DFrame)> |
|
555 |
||
195 | 556 |
super initStyle. |
557 |
||
558 |
fgColor := StyleSheet at:'framedBoxForegroundColor' default:Black. |
|
559 |
labelPosition := StyleSheet at:'framedBoxLabelPosition' default:#topCenter. |
|
560 |
frame3D := StyleSheet at:'framedBox3DFrame' default:true. |
|
561 |
borderWidth := 0. |
|
608 | 562 |
|
563 |
"Modified: 30.4.1996 / 17:01:13 / cg" |
|
195 | 564 |
! |
565 |
||
566 |
initialize |
|
277
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567 |
innerHorizontalSpace := innerVerticalSpace := 0. |
195 | 568 |
super initialize. |
569 |
showFrame := true |
|
277
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570 |
|
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571 |
"Modified: 10.1.1996 / 14:38:40 / cg" |
195 | 572 |
! ! |
573 |
||
574 |
!FramedBox methodsFor:'private'! |
|
575 |
||
576 |
redrawIfShown |
|
577 |
shown ifTrue:[ |
|
578 |
self clear. |
|
579 |
self redraw |
|
580 |
] |
|
581 |
! ! |
|
582 |
||
125 | 583 |
!FramedBox methodsFor:'queries'! |
584 |
||
195 | 585 |
preferredExtent |
572 | 586 |
"compute the boxes preferredExtent from the components' sizes. |
587 |
Redefined to add space for the frame to the default extent" |
|
195 | 588 |
|
589 |
|m2 sep| |
|
590 |
||
591 |
sep := font height. |
|
592 |
m2 := sep + sep. |
|
593 |
||
594 |
showFrame ifFalse:[ |
|
572 | 595 |
^ super preferredExtent + (0 @ m2) |
195 | 596 |
]. |
597 |
^ super preferredExtent+(m2 @ m2) |
|
572 | 598 |
|
599 |
"Modified: 23.4.1996 / 00:15:04 / cg" |
|
195 | 600 |
! |
601 |
||
125 | 602 |
viewRectangle |
603 |
"return the inside area |
|
604 |
- redefined to save frame from relative computations." |
|
605 |
||
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606 |
|mH mV sepH sepV imH imV| |
125 | 607 |
|
277
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608 |
sepH := sepV := font height. |
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|
609 |
horizontalSpace notNil ifTrue:[ |
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|
610 |
sepH := horizontalSpace |
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|
611 |
]. |
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|
612 |
verticalSpace notNil ifTrue:[ |
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|
613 |
sepV := verticalSpace |
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|
614 |
]. |
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|
615 |
|
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|
616 |
mH := sepH * 2. |
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|
617 |
mV := sepV * 2. |
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|
618 |
imH := innerHorizontalSpace * 2. |
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|
619 |
imV := innerVerticalSpace * 2. |
125 | 620 |
|
621 |
showFrame ifFalse:[ |
|
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622 |
sepH := mH := 0. |
125 | 623 |
]. |
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|
624 |
^ ((sepH + innerHorizontalSpace) @ (innerVerticalSpace + sepV)) |
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|
625 |
extent:((width - imH - mH) @ (height - imV - mV)) |
125 | 626 |
|
627 |
"/ |m2 sepH sepV| |
|
628 |
"/ |
|
629 |
"/ sepV := font height. |
|
630 |
"/ |
|
631 |
"/ showFrame ifFalse:[ |
|
632 |
"/ ^ (0 @ sepV) extent:(width @ (height - sepV - sepV)) |
|
633 |
"/ ]. |
|
634 |
"/ sepH := sepV // 2. |
|
635 |
"/ ^ (sepH @ sepH) extent:((width - sepH - sepH) @ (height - sepV - sepV)) |
|
277
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changeset
|
636 |
|
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diff
changeset
|
637 |
"Modified: 10.1.1996 / 14:51:46 / cg" |
125 | 638 |
! ! |
639 |
||
205 | 640 |
!FramedBox class methodsFor:'documentation'! |
641 |
||
642 |
version |
|
664 | 643 |
^ '$Header: /cvs/stx/stx/libwidg/FramedBox.st,v 1.24 1996-05-22 11:18:22 cg Exp $' |
205 | 644 |
! ! |