author | Claus Gittinger <cg@exept.de> |
Fri, 01 Mar 1996 19:44:55 +0100 | |
changeset 447 | ed41e1bbd9a1 |
parent 277 | 243d138cf316 |
child 572 | 121735c2aff6 |
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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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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! |
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examples |
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simple: |
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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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placing something inside: |
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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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|
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|
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placing something inside a frame in a dialog: |
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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 open |
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placing something inside a frame in a dialog: |
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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 open |
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simple again, default spacings: |
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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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top open |
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188 |
changing spacings: |
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189 |
|
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190 |
|top frame v| |
0 | 191 |
|
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top := StandardSystemView new. |
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top extent:300@200. |
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|
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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 | 199 |
|
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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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202 |
|
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203 |
top open |
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204 |
|
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205 |
|
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206 |
changing inner spacings: |
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207 |
|
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208 |
|top frame v| |
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209 |
|
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top := StandardSystemView new. |
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top extent:300@200. |
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|
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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 | 217 |
|
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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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220 |
|
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221 |
top open |
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222 |
|
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223 |
|
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label only (no frame around): |
0 | 225 |
|
277
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226 |
|top frame v| |
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227 |
|
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top := StandardSystemView new. |
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top extent:300@200. |
0 | 230 |
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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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233 |
frame showFrame:false. |
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234 |
|
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235 |
v := View origin:0.0@0.0 corner:1.0@1.0 in:frame. |
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236 |
v viewBackground:(Color yellow); level:1. |
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237 |
|
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238 |
top open |
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239 |
|
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240 |
|
125 | 241 |
" |
195 | 242 |
! ! |
243 |
||
244 |
!FramedBox methodsFor:'accessing'! |
|
245 |
||
246 |
font:aFont |
|
247 |
"set the frame labelstrings font" |
|
248 |
||
249 |
(font ~= aFont) ifTrue:[ |
|
250 |
super font:aFont. |
|
251 |
self redrawIfShown |
|
252 |
] |
|
253 |
! |
|
254 |
||
255 |
foregroundColor |
|
256 |
"return the frame labels foreground color" |
|
257 |
||
258 |
^ fgColor |
|
259 |
! |
|
260 |
||
261 |
foregroundColor:aColor |
|
262 |
"set the frame labels foreground color" |
|
263 |
||
264 |
aColor ~= fgColor ifTrue:[ |
|
265 |
fgColor := aColor. |
|
266 |
self redrawIfShown |
|
267 |
] |
|
268 |
! |
|
269 |
||
270 |
frameShown |
|
271 |
"return true, if frame is shown; |
|
272 |
if false, oly the label is shown. |
|
273 |
OBSOLETE; use #showFrame." |
|
274 |
||
275 |
^ showFrame |
|
276 |
! |
|
277 |
||
278 |
horizontalSpace |
|
279 |
"return the number of pixels by which the frame is inset horizontally. |
|
280 |
The default, nil, lets the box compute the horizontal inset from the |
|
281 |
labels font height." |
|
282 |
||
283 |
^ horizontalSpace |
|
284 |
||
285 |
"Modified: 5.9.1995 / 17:24:21 / claus" |
|
286 |
! |
|
287 |
||
288 |
horizontalSpace:aNumber |
|
289 |
"set the number of pixels by which the frame is inset horizontally. |
|
290 |
The default, nil, lets the box compute the horizontal inset from the |
|
291 |
labels font height." |
|
292 |
||
293 |
horizontalSpace := aNumber |
|
294 |
! |
|
295 |
||
277
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296 |
innerHorizontalSpace:aNumber |
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297 |
"set the number of pixels by which the interior is inset horizontally from the frame. |
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298 |
The default is 0" |
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299 |
|
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300 |
innerHorizontalSpace := aNumber |
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301 |
|
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302 |
"Created: 10.1.1996 / 14:39:20 / cg" |
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303 |
! |
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304 |
|
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305 |
innerVerticalSpace:aNumber |
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|
306 |
"set the number of pixels by which the interior is inset vertically from the frame. |
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307 |
The default is 0" |
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|
308 |
|
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|
309 |
innerVerticalSpace := aNumber |
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310 |
|
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311 |
"Created: 10.1.1996 / 14:39:35 / cg" |
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312 |
! |
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313 |
|
195 | 314 |
label |
315 |
"return the frames labelstring" |
|
316 |
||
317 |
^ label |
|
318 |
! |
|
319 |
||
320 |
label:aString |
|
321 |
"set the frames labelstring" |
|
322 |
||
323 |
(label ~= aString) ifTrue:[ |
|
324 |
aString isEmpty ifTrue:[ |
|
325 |
label := nil |
|
326 |
] ifFalse:[ |
|
327 |
label := aString. |
|
328 |
]. |
|
329 |
self redrawIfShown |
|
330 |
] |
|
331 |
||
332 |
"Modified: 5.9.1995 / 17:20:05 / claus" |
|
333 |
! |
|
334 |
||
335 |
labelPosition |
|
336 |
"return the labelPosition, which is a symbol describing |
|
337 |
the labels position." |
|
338 |
||
339 |
^ labelPosition |
|
340 |
! |
|
341 |
||
342 |
labelPosition:aSymbol |
|
343 |
"define the position of the label; |
|
344 |
aSymbol may be one of: |
|
345 |
#topLeft, #topCenter, #topRight; |
|
346 |
#bottomLeft, #bottomCenter or #bottomRight" |
|
347 |
||
348 |
labelPosition ~~ aSymbol ifTrue:[ |
|
349 |
labelPosition := aSymbol. |
|
350 |
self redrawIfShown |
|
351 |
] |
|
352 |
! |
|
353 |
||
354 |
layout |
|
355 |
"OBSOLETE compatibility interface. Will vanish" |
|
356 |
||
357 |
self obsoleteMethodWarning:'use #labelPosition'. |
|
358 |
^ labelPosition |
|
359 |
! |
|
360 |
||
361 |
layout:something |
|
362 |
"OBSOLETE compatibility interface. Will vanish. |
|
363 |
In the meantime, try to figure out what is meant ... a kludge" |
|
364 |
||
365 |
something isLayout ifTrue:[^ super layout:something]. |
|
366 |
||
367 |
self obsoleteMethodWarning:'use #labelPosition:'. |
|
368 |
^ self labelPosition:something |
|
369 |
||
370 |
"Modified: 31.8.1995 / 23:07:00 / claus" |
|
371 |
! |
|
372 |
||
373 |
showFrame |
|
374 |
"return if the view shows its frame. |
|
375 |
If false, only the label is drawn" |
|
376 |
||
377 |
^ showFrame |
|
378 |
||
379 |
"Modified: 5.9.1995 / 17:21:37 / claus" |
|
380 |
! |
|
381 |
||
382 |
showFrame:aBoolean |
|
383 |
"turn on/off showing of the frame - |
|
384 |
without a frame, only the label is shown at its position" |
|
385 |
||
386 |
aBoolean ~~ showFrame ifTrue:[ |
|
387 |
showFrame := aBoolean. |
|
388 |
self redrawIfShown |
|
389 |
] |
|
277
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|
390 |
! |
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|
391 |
|
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|
392 |
verticalSpace |
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|
393 |
"return the number of pixels by which the frame is inset vertically. |
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|
394 |
The default, nil, lets the box compute the vertical inset from the |
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|
395 |
labels font height." |
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|
396 |
|
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|
397 |
^ verticalSpace |
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|
398 |
|
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|
399 |
"Modified: 5.9.1995 / 17:24:21 / claus" |
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|
400 |
"Created: 10.1.1996 / 14:38:21 / cg" |
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|
401 |
! |
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changeset
|
402 |
|
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|
403 |
verticalSpace:aNumber |
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|
404 |
"set the number of pixels by which the frame is inset vertically. |
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changeset
|
405 |
The default, nil, lets the box compute the vertical inset from the |
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changeset
|
406 |
labels font height." |
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changeset
|
407 |
|
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|
408 |
verticalSpace := aNumber |
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changeset
|
409 |
|
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|
410 |
"Created: 10.1.1996 / 14:38:31 / cg" |
0 | 411 |
! ! |
412 |
||
413 |
!FramedBox methodsFor:'drawing'! |
|
414 |
||
415 |
drawFrame |
|
416 |
"redraw the frame" |
|
417 |
||
133 | 418 |
|halfSepX halfSepY w h| |
0 | 419 |
|
38 | 420 |
" |
421 |
if there is no label, give more real estate to the inside |
|
422 |
" |
|
423 |
label isNil ifTrue:[ |
|
277
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|
424 |
halfSepX := halfSepY := 2 |
38 | 425 |
] ifFalse:[ |
277
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|
426 |
halfSepX := halfSepY := font height // 2. |
38 | 427 |
]. |
277
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|
428 |
|
133 | 429 |
horizontalSpace notNil ifTrue:[ |
277
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changeset
|
430 |
halfSepX := horizontalSpace. |
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diff
changeset
|
431 |
]. |
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changeset
|
432 |
verticalSpace notNil ifTrue:[ |
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|
433 |
halfSepY := verticalSpace. |
133 | 434 |
]. |
38 | 435 |
|
133 | 436 |
w := width - halfSepX - halfSepX. |
437 |
h := height - halfSepY - halfSepY. |
|
38 | 438 |
|
59 | 439 |
frame3D ifFalse:[ |
277
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changeset
|
440 |
self displayRectangleX:halfSepX |
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changeset
|
441 |
y:halfSepY |
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changeset
|
442 |
width:w |
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changeset
|
443 |
height:h. |
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changeset
|
444 |
^ self |
0 | 445 |
]. |
38 | 446 |
|
447 |
w := w + 1. |
|
448 |
h := h + 1. |
|
7 | 449 |
|
0 | 450 |
self paint:shadowColor. |
133 | 451 |
self displayRectangleX:halfSepX-1 |
277
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changeset
|
452 |
y:halfSepY-1 |
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changeset
|
453 |
width:w |
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changeset
|
454 |
height:h. |
0 | 455 |
|
38 | 456 |
self paint:lightColor. |
133 | 457 |
self displayRectangleX:halfSepX |
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458 |
y:halfSepY |
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|
459 |
width:w |
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460 |
height:h |
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461 |
|
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462 |
"Modified: 10.1.1996 / 14:41:19 / cg" |
0 | 463 |
! |
464 |
||
465 |
redraw |
|
466 |
"redraw the frame and name if present" |
|
467 |
||
468 |
|labelLen l x y| |
|
469 |
||
470 |
label isNil ifTrue:[ |
|
59 | 471 |
labelLen := 0 |
0 | 472 |
] ifFalse:[ |
59 | 473 |
l := ' ' , label , ' '. |
474 |
labelLen := font widthOf:l |
|
0 | 475 |
]. |
476 |
||
38 | 477 |
showFrame ifTrue:[ |
59 | 478 |
self drawFrame. |
38 | 479 |
]. |
480 |
||
0 | 481 |
labelLen > 0 ifTrue:[ |
59 | 482 |
labelLen < width ifTrue:[ |
130 | 483 |
(labelPosition == #topLeft |
484 |
or:[labelPosition == #topCenter |
|
485 |
or:[labelPosition == #topRight]]) ifTrue:[ |
|
486 |
" |
|
487 |
label at top |
|
488 |
" |
|
59 | 489 |
y := font ascent. |
490 |
] ifFalse:[ |
|
130 | 491 |
" |
492 |
label at bottom |
|
493 |
" |
|
59 | 494 |
y := height - font descent. |
495 |
]. |
|
130 | 496 |
(labelPosition == #topLeft |
497 |
or:[labelPosition == #bottomLeft]) ifTrue:[ |
|
498 |
" |
|
499 |
label at left |
|
500 |
" |
|
59 | 501 |
x := font height |
502 |
] ifFalse:[ |
|
130 | 503 |
(labelPosition == #topRight |
504 |
or:[labelPosition == #bottomRight]) ifTrue:[ |
|
505 |
" |
|
506 |
label at right |
|
507 |
" |
|
59 | 508 |
x := width - labelLen - font height |
509 |
] ifFalse:[ |
|
130 | 510 |
" |
511 |
label at center |
|
512 |
" |
|
59 | 513 |
x := (width - labelLen) // 2 |
514 |
] |
|
515 |
]. |
|
516 |
self paint:fgColor on:viewBackground. |
|
517 |
self displayOpaqueString:l x:x y:y |
|
518 |
] |
|
0 | 519 |
] |
520 |
! ! |
|
521 |
||
195 | 522 |
!FramedBox methodsFor:'event handling'! |
523 |
||
524 |
sizeChanged:how |
|
525 |
self redrawIfShown. |
|
526 |
super sizeChanged:how |
|
527 |
! ! |
|
528 |
||
529 |
!FramedBox methodsFor:'initialization'! |
|
530 |
||
531 |
initStyle |
|
532 |
"default position is top-center, except for ms-windows, where |
|
533 |
the text is positioned at top-left" |
|
534 |
||
535 |
super initStyle. |
|
536 |
||
537 |
fgColor := StyleSheet at:'framedBoxForegroundColor' default:Black. |
|
538 |
labelPosition := StyleSheet at:'framedBoxLabelPosition' default:#topCenter. |
|
539 |
frame3D := StyleSheet at:'framedBox3DFrame' default:true. |
|
540 |
borderWidth := 0. |
|
541 |
! |
|
542 |
||
543 |
initialize |
|
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544 |
innerHorizontalSpace := innerVerticalSpace := 0. |
195 | 545 |
super initialize. |
546 |
showFrame := true |
|
277
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|
547 |
|
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548 |
"Modified: 10.1.1996 / 14:38:40 / cg" |
195 | 549 |
! ! |
550 |
||
551 |
!FramedBox methodsFor:'private'! |
|
552 |
||
553 |
redrawIfShown |
|
554 |
shown ifTrue:[ |
|
555 |
self clear. |
|
556 |
self redraw |
|
557 |
] |
|
558 |
! ! |
|
559 |
||
125 | 560 |
!FramedBox methodsFor:'queries'! |
561 |
||
195 | 562 |
preferredExtent |
563 |
"redefined to add space for the frame to the default extent" |
|
564 |
||
565 |
|m2 sep| |
|
566 |
||
567 |
sep := font height. |
|
568 |
m2 := sep + sep. |
|
569 |
||
570 |
showFrame ifFalse:[ |
|
571 |
^ super preferredExtent + (0 @ m2) |
|
572 |
]. |
|
573 |
^ super preferredExtent+(m2 @ m2) |
|
574 |
! |
|
575 |
||
125 | 576 |
viewRectangle |
577 |
"return the inside area |
|
578 |
- redefined to save frame from relative computations." |
|
579 |
||
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580 |
|mH mV sepH sepV imH imV| |
125 | 581 |
|
277
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|
582 |
sepH := sepV := font height. |
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|
583 |
horizontalSpace notNil ifTrue:[ |
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|
584 |
sepH := horizontalSpace |
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|
585 |
]. |
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|
586 |
verticalSpace notNil ifTrue:[ |
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|
587 |
sepV := verticalSpace |
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|
588 |
]. |
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|
589 |
|
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|
590 |
mH := sepH * 2. |
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|
591 |
mV := sepV * 2. |
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|
592 |
imH := innerHorizontalSpace * 2. |
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593 |
imV := innerVerticalSpace * 2. |
125 | 594 |
|
595 |
showFrame ifFalse:[ |
|
277
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596 |
sepH := mH := 0. |
125 | 597 |
]. |
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598 |
^ ((sepH + innerHorizontalSpace) @ (innerVerticalSpace + sepV)) |
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|
599 |
extent:((width - imH - mH) @ (height - imV - mV)) |
125 | 600 |
|
601 |
"/ |m2 sepH sepV| |
|
602 |
"/ |
|
603 |
"/ sepV := font height. |
|
604 |
"/ |
|
605 |
"/ showFrame ifFalse:[ |
|
606 |
"/ ^ (0 @ sepV) extent:(width @ (height - sepV - sepV)) |
|
607 |
"/ ]. |
|
608 |
"/ sepH := sepV // 2. |
|
609 |
"/ ^ (sepH @ sepH) extent:((width - sepH - sepH) @ (height - sepV - sepV)) |
|
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|
610 |
|
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|
611 |
"Modified: 10.1.1996 / 14:51:46 / cg" |
125 | 612 |
! ! |
613 |
||
205 | 614 |
!FramedBox class methodsFor:'documentation'! |
615 |
||
616 |
version |
|
277
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|
617 |
^ '$Header: /cvs/stx/stx/libwidg/FramedBox.st,v 1.19 1996-01-10 13:54:10 cg Exp $' |
205 | 618 |
! ! |