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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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Toggle subclass:#CheckToggle
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instanceVariableNames:''
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classVariableNames:'DefaultCheckForm DefaultCheckColor DefaultActiveFGColor
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DefaultActiveBGColor DefaultFGColor DefaultBGColor
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DefaultActiveLevel DefaultPassiveLevel DefaultBorderWidth'
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poolDictionaries:''
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category:'Views-Interactors'
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!
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!CheckToggle 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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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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CheckButtons are like Toggles in toggling their state when pressed.
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However, they show an ok-marker if on; nothing if off.
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CheckButtons are mostly used as part of a checkBox (since normally,
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you want to have some label along the check) and often grouped for
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many-in-many or one-in-many setups.
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StyleSheet values:
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checkToggleCheckColor <Color> color to draw check-image with.
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defaults to value of #buttonActiveForegroundColor.
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checkToggleActiveBackgroundColor background color to draw active checki-image with
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checkToggleForegroundColor foreground color to use if off
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checkToggleBackgroundColor background color to use if off
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checkToggleBitmapFile <String> name of bitmap file for check-image
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checkToggleStyle <Symbol> default checkForm style.
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used if above is nil or file not readable
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can be #cross or #check; defaults to #check
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checkToggleAvtiveLevel <Number> active level - defaults to value of #buttonPassiveLevel
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checkTogglePassiveLevel <Number> active level - defaults to value of #buttonPassiveLevel
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checkToggleBorderWidth <Number> borderWidth - defaults buttons default
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(if not set in the styleSheet, Toggle values are taken)
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See examples.
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See also: CheckBox RadioButton RadioButtonGroup Toggle Button
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"
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!
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examples
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"
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checkToggle alone:
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|top check|
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top := StandardSystemView new.
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top extent:100@100.
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check := CheckToggle in:top.
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check origin:10@10.
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top open
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give it an action:
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|top check|
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top := StandardSystemView new.
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top extent:100@100.
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check := CheckToggle in:top.
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check origin:10@10.
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check action:[:value | Transcript showCr:'changed to: ' , value printString].
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top open
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give it a model:
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|top check model|
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model := false asValue.
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top := StandardSystemView new.
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top extent:100@100.
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check := CheckToggle in:top.
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check origin:10@10.
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check model:model.
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top openModal.
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Transcript showCr:'value after closing box: ' , model value printString
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multiple checks on a single model (with different change selectors):
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(using a checkBox here, for the demonstration ...)
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(this is a typical many-in-many setup)
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|top model panel ext1 ext2
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readFlag writeFlag executeFlag|
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readFlag := writeFlag := true.
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executeFlag := false.
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model := Plug new.
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model respondTo:#read with:[readFlag].
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model respondTo:#write with:[writeFlag].
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model respondTo:#execute with:[executeFlag].
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model respondTo:#read: with:[:val | readFlag := val].
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model respondTo:#write: with:[:val | writeFlag := val].
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model respondTo:#execute: with:[:val | executeFlag := val].
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top := StandardSystemView new.
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top extent:200@200.
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top label:'File permissions:'.
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panel := VerticalPanelView origin:0.0@0.0 corner:1.0@1.0 in:top.
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#(read write execute) do:[:sym |
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|check|
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check := CheckBox in:panel.
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check label:sym.
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check model:model; aspect:sym; changeMessage:(sym , ':') asSymbol.
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].
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top openModal.
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Transcript showCr:'settings after closing box:'.
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Transcript showCr:' read -> ' , readFlag printString.
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Transcript showCr:' write -> ' , writeFlag printString.
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Transcript showCr:' execute -> ' , executeFlag printString.
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checkToggles in a group
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(this is a typical one-in-many setup)
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|top panel check1 check2 check3 grp|
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top := StandardSystemView new.
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top extent:200@300.
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panel := VerticalPanelView origin:0.0@0.0 corner:1.0@1.0 in:top.
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check1 := CheckToggle in:panel.
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check2 := CheckToggle in:panel.
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check3 := CheckToggle in:panel.
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grp := RadioButtonGroup new.
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grp add:check1.
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grp add:check2.
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grp add:check3.
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top open
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Channel operation
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-----------------
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enabling other toggles via a toggle
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|top panel t enableChannel|
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top := StandardSystemView new.
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top extent:(400 @ 200).
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panel := HorizontalPanelView origin:0.0@0.0 corner:1.0@1.0 in:top.
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enableChannel := false asValue.
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1 to:10 do:[:i |
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t := CheckToggle in:panel.
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t enableChannel:enableChannel.
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].
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t := Toggle in:panel.
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t activeLogo:'enabled'; passiveLogo:'disabled'.
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t controller pressChannel:enableChannel.
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top open
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"
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! !
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!CheckToggle class methodsFor:'defaults'!
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checkFormOn:aDevice
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"return the form used when checkToggle is turned on.
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Provided as public entry, to allow other views
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to share the same check-image."
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^ DefaultCheckForm on:aDevice.
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!
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updateStyleCache
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|checkFileName bits|
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DefaultCheckColor := StyleSheet colorAt:'checkToggleCheckColor'.
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DefaultFGColor := StyleSheet colorAt:'checkToggleForegroundColor'.
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DefaultBGColor := StyleSheet colorAt:'checkToggleBackgroundColor'.
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DefaultActiveFGColor := StyleSheet colorAt:'checkToggleActiveForegroundColor'.
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DefaultActiveBGColor := StyleSheet colorAt:'checkToggleActiveBackgroundColor'.
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DefaultActiveLevel := StyleSheet at:'checkToggleActiveLevel'.
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DefaultPassiveLevel := StyleSheet at:'checkTogglePassiveLevel'.
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DefaultBorderWidth := StyleSheet at:'checkToggleBorderWidth'.
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DefaultCheckForm := nil.
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checkFileName := StyleSheet at:'checkToggleBitmapFile' default:'CheckOn.xbm'.
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checkFileName notNil ifTrue:[
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DefaultCheckForm := Form fromFile:checkFileName
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resolution:100
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on:Display.
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].
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DefaultCheckForm isNil ifTrue:[
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(StyleSheet at:'checkToggleStyle' default:#check) == #cross ifTrue:[
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bits := #[2r10000000 2r00000001
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2r01000000 2r00000010
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2r00100000 2r00000100
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2r00010000 2r00001000
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2r00001000 2r00010000
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2r00000100 2r00100000
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2r00000010 2r01000000
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2r00000001 2r10000000
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2r00000001 2r10000000
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2r00000010 2r01000000
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2r00000100 2r00100000
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2r00001000 2r00010000
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2r00010000 2r00001000
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2r00100000 2r00000100
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2r01000000 2r00000010
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2r10000000 2r00000001]
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] ifFalse:[
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bits := #[2r00000000 2r00000000
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2r00000000 2r00000010
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2r00000000 2r00000010
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2r00000000 2r00000100
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2r00000000 2r00000100
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2r00000000 2r00001000
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2r00000000 2r00001000
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2r00000000 2r00010000
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2r01000000 2r00110000
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2r00100000 2r01100000
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2r00011000 2r01100000
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2r00001110 2r11000000
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2r00000111 2r11000000
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2r00000011 2r10000000
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2r00000001 2r10000000
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2r00000000 2r00000000]
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].
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DefaultCheckForm := Form width:16 height:16 fromArray:bits on:Display
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]
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! !
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!CheckToggle methodsFor:'initialization'!
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initStyle
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super initStyle.
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onLevel := offLevel.
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DefaultActiveLevel notNil ifTrue:[onLevel := DefaultActiveLevel].
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DefaultPassiveLevel notNil ifTrue:[offLevel := DefaultPassiveLevel].
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activeLogo := DefaultCheckForm on:device.
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passiveLogo := nil.
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DefaultActiveFGColor notNil ifTrue:[self activeForegroundColor:DefaultActiveFGColor].
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DefaultCheckColor notNil ifTrue:[self activeForegroundColor:DefaultCheckColor].
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DefaultActiveBGColor notNil ifTrue:[self activeBackgroundColor:DefaultActiveBGColor].
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DefaultFGColor notNil ifTrue:[self foregroundColor:DefaultFGColor].
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DefaultBGColor notNil ifTrue:[self backgroundColor:DefaultBGColor].
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showLamp := false.
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DefaultBorderWidth notNil ifTrue:[self borderWidth:DefaultBorderWidth].
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offLevel ~~ level ifTrue:[self level:offLevel].
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!
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initialize
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super initialize.
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passiveLogo := nil.
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self form:activeLogo "/ to let me compute some defaultExtent
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! !
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!CheckToggle methodsFor:'redrawing'!
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drawWith:fg and:bg
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self isOn ifTrue:[
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logo := activeLogo.
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] ifFalse:[
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logo := passiveLogo.
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].
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super drawWith:fg and:bg
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"Modified: 22.9.1995 / 15:45:02 / claus"
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! !
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!CheckToggle class methodsFor:'documentation'!
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version
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^ '$Header: /cvs/stx/stx/libwidg/CheckToggle.st,v 1.20 1995-11-23 18:18:34 cg Exp $'
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! !
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