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"
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COPYRIGHT (c) 1989 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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ListView subclass:#SelectionInListView
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instanceVariableNames:'selection actionBlock enabled
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hilightFgColor hilightBgColor
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halfIntensityFgColor
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doubleClickActionBlock
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3
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selectConditionBlock
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0
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listAttributes multipleSelectOk clickLine
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listSymbol initialSelectionSymbol printItems oneItem
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hilightLevel hilightFrameColor ignoreReselect'
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classVariableNames: 'hand'
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poolDictionaries:''
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category:'Views-Text'
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!
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SelectionInListView comment:'
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COPYRIGHT (c) 1989 by Claus Gittinger
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All Rights Reserved
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'!
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!SelectionInListView class methodsFor:'documentation'!
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documentation
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"
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0
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this one is a ListView with a selected line (which is shown highlighted)
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If multipleSelectionsOk is true, it is also allowed to shift-click multiple entries.
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$Header: /cvs/stx/stx/libwidg/Attic/SelListV.st,v 1.4 1993-12-11 01:49:35 claus Exp $
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written spring/summer 89 by claus
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3D Jan 90 by claus
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multiselect Jun 92 my claus
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"
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! !
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!SelectionInListView class methodsFor:'instance creation'!
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on:aModel printItems:print oneItem:one aspect:aspect
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change:change list:list menu:menu
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initialSelection:initial
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"for ST-80 compatibility"
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^ (self new) on:aModel printItems:print oneItem:one aspect:aspect
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change:change list:list menu:menu
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initialSelection:initial
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! !
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!SelectionInListView methodsFor:'initialization'!
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initialize
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super initialize.
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fontHeight := font height + lineSpacing.
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multipleSelectOk := false.
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7
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enabled := true.
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ignoreReselect := true.
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!
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initStyle
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super initStyle.
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bgColor := viewBackground.
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7
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hilightFrameColor := nil.
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hilightLevel := 0.
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0
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(style == #openwin) ifTrue:[
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lineSpacing := 3
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] ifFalse:[
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lineSpacing := 2
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].
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(style == #next) ifTrue:[
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device hasGreyscales ifTrue:[
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hilightFgColor := fgColor.
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7
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hilightBgColor := White.
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hilightFrameColor := fgColor
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0
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] ifFalse:[
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hilightFgColor := White.
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hilightBgColor := Black
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]
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] ifFalse:[
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(style == #motif) ifTrue:[
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device hasGreyscales ifTrue:[
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hilightFgColor := fgColor.
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hilightBgColor := bgColor.
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hilightLevel := 2.
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0
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] ifFalse:[
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hilightFgColor := White.
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hilightBgColor := Black
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]
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] ifFalse:[
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(style == #openwin) ifTrue:[
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device hasGreyscales ifTrue:[
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hilightFgColor := fgColor.
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hilightBgColor := Color grey.
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hilightLevel := -1.
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0
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] ifFalse:[
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hilightFgColor := White.
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hilightBgColor := Black
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]
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] ifFalse:[
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7
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(style == #iris) ifTrue:[
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device hasGreyscales ifTrue:[
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hilightFgColor := bgColor.
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hilightBgColor := Black
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0
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] ifFalse:[
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hilightFgColor := White.
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hilightBgColor := Black
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]
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] ifFalse:[
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self is3D ifTrue:[
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device hasColors ifTrue:[
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hilightFgColor := Color name:'yellow'
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] ifFalse:[
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hilightFgColor := White
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].
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device hasGreyscales ifTrue:[
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hilightBgColor := viewBackground
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] ifFalse:[
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hilightBgColor := Black
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]
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]
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0
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]
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]
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]
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].
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hilightFgColor isNil ifTrue:[
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hilightFgColor := bgColor.
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hilightBgColor := fgColor
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].
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halfIntensityFgColor := Color darkGrey.
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!
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initCursor
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"set the cursor - a hand"
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cursor := Cursor hand
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!
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initEvents
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super initEvents.
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self enableButtonEvents
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!
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realize
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super realize.
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selection notNil ifTrue:[
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self makeLineVisible:selection
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]
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! !
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!SelectionInListView methodsFor:'accessing'!
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167 |
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multipleSelectOk:aBoolean
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"allow/disallow multiple selections"
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multipleSelectOk := aBoolean.
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aBoolean ifTrue:[
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self enableButtonMotionEvents
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] ifFalse:[
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self disableButtonMotionEvents
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]
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!
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7
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ignoreReselect:aBoolean
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"set/clear the ignoreReselect flag - if set,
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a click on an already selected entry is ignored.
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Otherwise the notification is done, even if no
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change in the selection occurs."
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ignoreReselect := aBoolean
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!
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187 |
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0
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setList:aCollection
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"set the list - redefined, since setting the list implies unselecting"
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190 |
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selection := nil.
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super setList:aCollection
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!
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194 |
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list:aCollection
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"set the list - redefined, since setting the list implies unselecting"
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197 |
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7
|
198 |
"somewhat of a kludge: if selection is first line,
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we have to remove the highlight frame by hand here"
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200 |
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(shown and:[hilightLevel ~~ 0]) ifTrue:[
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selection == firstLineShown ifTrue:[
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self paint:bgColor.
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self fillRectangleX:margin y:margin
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width:(width - (margin * 2))
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height:(hilightLevel abs).
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].
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].
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209 |
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0
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210 |
selection := nil.
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211 |
super list:aCollection
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!
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213 |
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attributes:aList
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"set the attribute list"
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listAttributes := attributes
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!
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219 |
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attributeAt:index
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"return the line attribute of list line index"
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222 |
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listAttributes isNil ifFalse:[
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(index > listAttributes size) ifFalse:[
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^ listAttributes at:index
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]
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].
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^ nil
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!
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230 |
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attributeAt:index put:aSymbol
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"set a line attribute; currently attributes are:
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#halfIntensity
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"
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235 |
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(index > list size) ifFalse:[
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237 |
listAttributes isNil ifTrue:[
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238 |
listAttributes := VariableArray new:index
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239 |
] ifFalse:[
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240 |
(index > listAttributes size) ifTrue:[
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listAttributes grow:index
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242 |
]
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243 |
].
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244 |
aSymbol == (listAttributes at:index) ifFalse:[
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listAttributes at:index put:aSymbol.
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246 |
self redrawLine:index
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]
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]
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249 |
!
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250 |
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7
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251 |
removeIndexWithoutRedraw:lineNr
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252 |
"delete line - no redraw;
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return true, if something was really deleted.
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254 |
Redefined since we have to care for selection"
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255 |
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self checkRemovingSelection:lineNr.
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^ super removeIndexWithoutRedraw:lineNr
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!
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259 |
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260 |
removeIndex:lineNr
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"delete line - with redraw.
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262 |
Redefined since we have to care for selection"
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263 |
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264 |
self checkRemovingSelection:lineNr.
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^ super removeIndex:lineNr
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!
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267 |
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0
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268 |
action:aBlock
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269 |
"set the action block to be performed on select"
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270 |
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actionBlock := aBlock
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272 |
!
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273 |
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274 |
doubleClickAction:aBlock
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275 |
"set the double click action block to be performed on select"
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276 |
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277 |
doubleClickActionBlock := aBlock
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278 |
!
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279 |
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3
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280 |
selectConditionBlock:aBlock
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281 |
"set the conditionBlock; this block is evaluated before a selection
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282 |
change is performed; the change will not be done, if the evaluation
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283 |
returns false. For example, this allows confirmation queries in
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284 |
the SystemBrowser"
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285 |
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|
286 |
selectConditionBlock := aBlock
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287 |
!
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7
|
288 |
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289 |
numberOfSelections
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290 |
"return the number of selected entries"
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291 |
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292 |
|sz|
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293 |
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294 |
selection isNil ifTrue:[^ 0].
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295 |
sz := selection size.
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296 |
sz > 0 ifTrue:[^ sz].
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297 |
^ 1
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298 |
!
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299 |
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0
|
300 |
selectionValue
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7
|
301 |
"return the selection value i.e. the text in the selected line.
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302 |
For multiple selections a collection containing the entries is returned."
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0
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303 |
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304 |
selection isNil ifTrue:[^ nil].
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7
|
305 |
(selection isKindOf:Collection) ifTrue:[
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|
306 |
^ selection collect:[:nr | list at:nr]
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|
307 |
].
|
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0
|
308 |
^ list at:selection
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309 |
!
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310 |
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311 |
selection
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7
|
312 |
"return the selection line nr or collection of line numbers"
|
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0
|
313 |
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|
314 |
^ selection
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|
315 |
!
|
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316 |
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317 |
deselect
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318 |
"deselect"
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319 |
|
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|
320 |
self selection:nil
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321 |
!
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322 |
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323 |
deselectWithoutRedraw
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|
324 |
"deselect - no redraw"
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|
325 |
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|
326 |
selection := nil
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|
327 |
!
|
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|
328 |
|
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|
329 |
enable
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|
330 |
"enable selections"
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|
331 |
|
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|
332 |
enabled := true
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|
333 |
!
|
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|
334 |
|
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|
335 |
disable
|
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|
336 |
"disable selections"
|
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|
337 |
|
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|
338 |
enabled := false
|
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|
339 |
!
|
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|
340 |
|
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|
341 |
selectElement:anObject
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|
342 |
"select the element with same printString as the argument, anObject"
|
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|
343 |
|
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|
344 |
|lineNo|
|
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|
345 |
|
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|
346 |
list notNil ifTrue:[
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|
347 |
lineNo := list indexOf:(anObject printString) ifAbsent:[^ self].
|
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|
348 |
self selection:lineNo
|
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|
349 |
]
|
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|
350 |
!
|
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|
351 |
|
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|
352 |
selectWithoutScroll:aNumberOrNil
|
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|
353 |
"select line, aNumber or deselect if argument is nil"
|
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|
354 |
|
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|
355 |
|prevSelection newSelection|
|
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|
356 |
|
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|
357 |
newSelection := aNumberOrNil.
|
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|
358 |
newSelection notNil ifTrue:[
|
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|
359 |
(self isValidSelection:newSelection) ifFalse:[
|
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|
360 |
newSelection := nil
|
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|
361 |
]
|
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|
362 |
].
|
|
|
363 |
|
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|
364 |
(newSelection == selection) ifTrue: [^ self].
|
|
|
365 |
|
|
|
366 |
selection notNil ifTrue: [
|
|
|
367 |
prevSelection := selection.
|
|
|
368 |
selection := nil.
|
|
|
369 |
(prevSelection isKindOf:Collection) ifTrue:[
|
|
|
370 |
prevSelection do:[:line |
|
|
|
371 |
self redrawElement:line
|
|
|
372 |
]
|
|
|
373 |
] ifFalse:[
|
|
|
374 |
self redrawElement:prevSelection
|
|
|
375 |
]
|
|
|
376 |
].
|
|
|
377 |
selection := newSelection.
|
|
|
378 |
selection notNil ifTrue:[
|
|
|
379 |
self redrawElement:selection
|
|
|
380 |
]
|
|
|
381 |
!
|
|
|
382 |
|
|
|
383 |
selection:aNumberOrNil
|
|
|
384 |
"select line, aNumber or deselect if argument is nil;
|
|
|
385 |
make the line visible"
|
|
|
386 |
|
|
|
387 |
self selectWithoutScroll:aNumberOrNil.
|
|
|
388 |
selection notNil ifTrue:[
|
|
|
389 |
shown ifTrue:[
|
|
|
390 |
self makeLineVisible:selection
|
|
|
391 |
]
|
|
|
392 |
]
|
|
|
393 |
!
|
|
|
394 |
|
|
7
|
395 |
addElementToSelection:anObject
|
|
|
396 |
"add the element with the same printstring as the argument, anObject
|
|
|
397 |
to the selection"
|
|
|
398 |
|
|
|
399 |
|lineNo|
|
|
|
400 |
lineNo := list indexOf:(anObject printString) ifAbsent:[^ self].
|
|
|
401 |
self addToSelection:lineNo
|
|
|
402 |
!
|
|
|
403 |
|
|
|
404 |
addToSelection:aNumber
|
|
|
405 |
"add line, aNumber to the selection"
|
|
|
406 |
|
|
|
407 |
selection isNil ifTrue:[^ self selectWithoutScroll:aNumber].
|
|
|
408 |
|
|
|
409 |
(self isValidSelection:aNumber) ifFalse:[^ self].
|
|
|
410 |
(selection isKindOf:Collection) ifTrue:[
|
|
|
411 |
(selection includes:aNumber) ifTrue:[^ self].
|
|
|
412 |
selection add:aNumber
|
|
|
413 |
] ifFalse:[
|
|
|
414 |
(aNumber == selection) ifTrue:[^ self].
|
|
|
415 |
selection := OrderedCollection with:selection with:aNumber
|
|
|
416 |
].
|
|
|
417 |
self redrawElement:aNumber
|
|
|
418 |
!
|
|
|
419 |
|
|
0
|
420 |
selectNext
|
|
|
421 |
"select next line or first if there is currrently no selection"
|
|
|
422 |
|
|
|
423 |
selection isNil ifTrue:[
|
|
|
424 |
self selection:1
|
|
|
425 |
] ifFalse:[
|
|
|
426 |
self selection:(selection + 1).
|
|
|
427 |
selection isNil ifTrue:[
|
|
|
428 |
self selection:1
|
|
|
429 |
]
|
|
|
430 |
]
|
|
|
431 |
!
|
|
|
432 |
|
|
|
433 |
selectPrevious
|
|
|
434 |
"select previous line or last if there is currently no selection"
|
|
|
435 |
|
|
|
436 |
selection isNil ifTrue:[
|
|
|
437 |
self selection:(list size)
|
|
|
438 |
] ifFalse:[
|
|
|
439 |
self selection:(selection - 1).
|
|
|
440 |
selection isNil ifTrue:[
|
|
|
441 |
self selection:(list size)
|
|
|
442 |
]
|
|
|
443 |
]
|
|
|
444 |
!
|
|
|
445 |
|
|
|
446 |
on:aModel printItems:print oneItem:one aspect:aspect
|
|
|
447 |
change:change list:list menu:menu
|
|
|
448 |
initialSelection:initial
|
|
|
449 |
|
|
|
450 |
"ST-80 compatibility"
|
|
|
451 |
|
|
|
452 |
aspectSymbol := aspect.
|
|
|
453 |
changeSymbol := change.
|
|
|
454 |
listSymbol := list.
|
|
|
455 |
menuSymbol := menu.
|
|
|
456 |
initialSelectionSymbol := initial.
|
|
|
457 |
printItems := print.
|
|
|
458 |
oneItem := one.
|
|
|
459 |
|
|
|
460 |
model := aModel.
|
|
|
461 |
|
|
|
462 |
listSymbol notNil ifTrue:[
|
|
|
463 |
self list:(aModel perform:listSymbol) asText
|
|
|
464 |
].
|
|
|
465 |
model addDependent:self
|
|
|
466 |
! !
|
|
|
467 |
|
|
|
468 |
!SelectionInListView methodsFor:'private'!
|
|
|
469 |
|
|
7
|
470 |
checkRemovingSelection:lineNr
|
|
|
471 |
"when a line is removed, we have to adjust selection"
|
|
|
472 |
|
|
|
473 |
|newSelection|
|
|
|
474 |
|
|
|
475 |
selection notNil ifTrue:[
|
|
|
476 |
(selection isKindOf:Collection) ifTrue:[
|
|
|
477 |
newSelection := OrderedCollection new.
|
|
|
478 |
selection do:[:sel |
|
|
|
479 |
sel < lineNr ifTrue:[
|
|
|
480 |
newSelection add:sel
|
|
|
481 |
] ifFalse:[
|
|
|
482 |
sel > lineNr ifTrue:[
|
|
|
483 |
newSelection add:(sel - 1)
|
|
|
484 |
]
|
|
|
485 |
]
|
|
|
486 |
].
|
|
|
487 |
newSelection size == 1 ifTrue:[
|
|
|
488 |
selection := newSelection first
|
|
|
489 |
] ifFalse:[
|
|
|
490 |
newSelection size == 0 ifTrue:[
|
|
|
491 |
selection := nil
|
|
|
492 |
] ifFalse:[
|
|
|
493 |
selection := newSelection
|
|
|
494 |
]
|
|
|
495 |
]
|
|
|
496 |
] ifFalse:[
|
|
|
497 |
selection == lineNr ifTrue:[
|
|
|
498 |
selection := nil
|
|
|
499 |
] ifFalse:[
|
|
|
500 |
selection > lineNr ifTrue:[
|
|
|
501 |
selection := selection - 1
|
|
|
502 |
]
|
|
|
503 |
]
|
|
|
504 |
]
|
|
|
505 |
]
|
|
|
506 |
!
|
|
|
507 |
|
|
0
|
508 |
isValidSelection:aNumber
|
|
7
|
509 |
"return true, if aNumber is ok for a selection lineNo"
|
|
0
|
510 |
|
|
|
511 |
aNumber isNil ifTrue:[^ false].
|
|
|
512 |
^ (aNumber between:1 and:list size)
|
|
|
513 |
!
|
|
|
514 |
|
|
|
515 |
isInSelection:aNumber
|
|
|
516 |
"return true, if line, aNumber is in the selection"
|
|
|
517 |
|
|
|
518 |
selection isNil ifTrue:[^ false].
|
|
|
519 |
(selection isKindOf:Collection) ifTrue:[
|
|
|
520 |
^ (selection includes:aNumber)
|
|
|
521 |
].
|
|
|
522 |
^ (aNumber == selection)
|
|
|
523 |
!
|
|
|
524 |
|
|
|
525 |
positionToSelectionX:x y:y
|
|
|
526 |
"given a click position, return the selection lineNo"
|
|
|
527 |
|
|
|
528 |
|visibleLine|
|
|
|
529 |
|
|
|
530 |
(x between:0 and:width) ifTrue:[
|
|
|
531 |
(y between:0 and:height) ifTrue:[
|
|
|
532 |
visibleLine := self visibleLineOfY:y.
|
|
|
533 |
^ self visibleLineToListLine:visibleLine
|
|
|
534 |
]
|
|
|
535 |
].
|
|
|
536 |
^ nil
|
|
|
537 |
!
|
|
|
538 |
|
|
|
539 |
widthForScrollBetween:start and:end
|
|
|
540 |
"has to be redefined since WHOLE line is inverted/modified sometimes"
|
|
|
541 |
|
|
|
542 |
| anySelectionInRange |
|
|
|
543 |
|
|
|
544 |
selection notNil ifTrue:[
|
|
|
545 |
(selection isKindOf:Collection) ifTrue:[
|
|
|
546 |
anySelectionInRange := false.
|
|
|
547 |
selection do:[:s |
|
|
|
548 |
(s between:start and:end) ifTrue:[
|
|
|
549 |
anySelectionInRange := true
|
|
|
550 |
]
|
|
|
551 |
]
|
|
|
552 |
] ifFalse:[
|
|
|
553 |
anySelectionInRange := selection between:start and:end
|
|
|
554 |
]
|
|
|
555 |
] ifFalse:[
|
|
|
556 |
anySelectionInRange := false
|
|
|
557 |
].
|
|
|
558 |
|
|
|
559 |
anySelectionInRange ifTrue:[
|
|
|
560 |
self is3D ifFalse:[
|
|
|
561 |
^ width
|
|
|
562 |
].
|
|
|
563 |
( #(next openwin) includes:style) ifTrue:[
|
|
|
564 |
^ width
|
|
|
565 |
].
|
|
|
566 |
viewBackground = background ifFalse:[
|
|
|
567 |
^ width
|
|
|
568 |
]
|
|
|
569 |
].
|
|
|
570 |
^ super widthForScrollBetween:start and:end
|
|
|
571 |
!
|
|
|
572 |
|
|
|
573 |
visibleLineNeedsSpecialCare:visLineNr
|
|
|
574 |
|listLine|
|
|
|
575 |
|
|
|
576 |
listLine := self visibleLineToListLine:visLineNr.
|
|
|
577 |
listLine isNil ifTrue:[^ false].
|
|
|
578 |
(self isInSelection:listLine) ifTrue:[^ true].
|
|
|
579 |
listAttributes notNil ifTrue:[
|
|
|
580 |
(listLine <= listAttributes size) ifTrue:[
|
|
|
581 |
^ (listAttributes at:listLine) notNil
|
|
|
582 |
]
|
|
|
583 |
].
|
|
|
584 |
^ false
|
|
|
585 |
!
|
|
|
586 |
|
|
|
587 |
removeFromSelection:aNumber
|
|
|
588 |
"remove line, aNumber from the selection"
|
|
|
589 |
|
|
|
590 |
selection isNil ifTrue:[^ self].
|
|
|
591 |
|
|
|
592 |
(selection isKindOf:Collection) ifTrue:[
|
|
|
593 |
(selection includes:aNumber) ifFalse:[^ self].
|
|
|
594 |
selection remove:aNumber.
|
|
|
595 |
(selection size == 1) ifTrue:[
|
|
|
596 |
selection := selection at:1
|
|
|
597 |
]
|
|
|
598 |
] ifFalse:[
|
|
|
599 |
(aNumber == selection) ifFalse:[^ self].
|
|
|
600 |
selection := nil
|
|
|
601 |
].
|
|
|
602 |
self redrawElement:aNumber
|
|
|
603 |
!
|
|
|
604 |
|
|
|
605 |
scrollSelectDown
|
|
|
606 |
"auto scroll action; scroll and reinstall timed-block"
|
|
|
607 |
|
|
7
|
608 |
Processor addTimedBlock:autoScrollBlock after:autoScrollDeltaT.
|
|
0
|
609 |
self scrollDown
|
|
|
610 |
!
|
|
|
611 |
|
|
|
612 |
scrollSelectUp
|
|
|
613 |
"auto scroll action; scroll and reinstall timed-block"
|
|
|
614 |
|
|
7
|
615 |
Processor addTimedBlock:autoScrollBlock after:autoScrollDeltaT.
|
|
0
|
616 |
self scrollUp
|
|
|
617 |
! !
|
|
|
618 |
|
|
|
619 |
!SelectionInListView methodsFor:'redrawing'!
|
|
|
620 |
|
|
|
621 |
redrawElement:aNumber
|
|
|
622 |
"redraw an individual element"
|
|
|
623 |
|
|
|
624 |
^ self redrawLine:aNumber
|
|
|
625 |
!
|
|
|
626 |
|
|
|
627 |
redrawVisibleLine:visLineNr col:colNr
|
|
|
628 |
(self visibleLineNeedsSpecialCare:visLineNr) ifTrue:[
|
|
|
629 |
^ self redrawVisibleLine:visLineNr
|
|
|
630 |
].
|
|
|
631 |
super redrawVisibleLine:visLineNr col:colNr
|
|
|
632 |
!
|
|
|
633 |
|
|
|
634 |
redrawVisibleLine:visLineNr from:startCol
|
|
|
635 |
(self visibleLineNeedsSpecialCare:visLineNr) ifTrue:[
|
|
|
636 |
^ self redrawVisibleLine:visLineNr
|
|
|
637 |
].
|
|
|
638 |
super redrawVisibleLine:visLineNr from:startCol
|
|
|
639 |
!
|
|
|
640 |
|
|
|
641 |
redrawVisibleLine:visLineNr from:startCol to:endCol
|
|
|
642 |
(self visibleLineNeedsSpecialCare:visLineNr) ifTrue:[
|
|
|
643 |
^ self redrawVisibleLine:visLineNr
|
|
|
644 |
].
|
|
|
645 |
super redrawVisibleLine:visLineNr from:startCol to:endCol
|
|
|
646 |
!
|
|
|
647 |
|
|
|
648 |
redrawFromVisibleLine:startVisLineNr to:endVisLineNr
|
|
|
649 |
|special sel
|
|
|
650 |
selNo "{ Class: SmallInteger }" |
|
|
|
651 |
|
|
|
652 |
((selection isKindOf:Collection) or:[listAttributes notNil]) ifTrue:[
|
|
|
653 |
startVisLineNr to:endVisLineNr do:[:visLine |
|
|
|
654 |
self redrawVisibleLine:visLine
|
|
|
655 |
].
|
|
|
656 |
^ self
|
|
|
657 |
].
|
|
|
658 |
|
|
|
659 |
special := true.
|
|
|
660 |
selection isNil ifTrue:[
|
|
|
661 |
special := false
|
|
|
662 |
] ifFalse:[
|
|
|
663 |
sel := self listLineToVisibleLine:selection.
|
|
|
664 |
sel isNil ifTrue:[
|
|
|
665 |
special := false
|
|
|
666 |
] ifFalse:[
|
|
|
667 |
special := (sel between:startVisLineNr and:endVisLineNr)
|
|
|
668 |
]
|
|
|
669 |
].
|
|
|
670 |
special ifFalse:[
|
|
|
671 |
^ super redrawFromVisibleLine:startVisLineNr
|
|
|
672 |
to:endVisLineNr
|
|
|
673 |
].
|
|
|
674 |
|
|
|
675 |
selNo := sel.
|
|
|
676 |
selNo > startVisLineNr ifTrue:[
|
|
|
677 |
super redrawFromVisibleLine:startVisLineNr to:(selNo - 1)
|
|
|
678 |
].
|
|
|
679 |
self redrawVisibleLine:selNo.
|
|
|
680 |
selNo < endVisLineNr ifTrue:[
|
|
|
681 |
super redrawFromVisibleLine:(selNo + 1) to:endVisLineNr
|
|
|
682 |
]
|
|
|
683 |
!
|
|
|
684 |
|
|
|
685 |
redrawVisibleLine:visLineNr
|
|
|
686 |
|listLine fg bg
|
|
|
687 |
y "{ Class: SmallInteger }" |
|
|
|
688 |
|
|
|
689 |
fg := fgColor.
|
|
|
690 |
bg := bgColor.
|
|
|
691 |
listLine := self visibleLineToListLine:visLineNr.
|
|
|
692 |
listLine notNil ifTrue:[
|
|
|
693 |
(self attributeAt:listLine) == #halfIntensity ifTrue:[
|
|
|
694 |
fg := halfIntensityFgColor
|
|
|
695 |
].
|
|
|
696 |
(self isInSelection:listLine) ifTrue:[
|
|
|
697 |
bg := hilightBgColor.
|
|
|
698 |
fg := hilightFgColor.
|
|
7
|
699 |
hilightFrameColor notNil ifTrue:[
|
|
0
|
700 |
self drawVisibleLine:visLineNr with:fg and:bg.
|
|
|
701 |
y := self yOfLine:visLineNr.
|
|
7
|
702 |
self paint:hilightFrameColor.
|
|
0
|
703 |
self displayLineFromX:0 y:y toX:width y:y.
|
|
|
704 |
y := y + fontHeight - 1.
|
|
|
705 |
self displayLineFromX:0 y:y toX:width y:y.
|
|
|
706 |
^ self
|
|
|
707 |
].
|
|
7
|
708 |
(hilightLevel ~~ 0) ifTrue:[
|
|
0
|
709 |
self drawVisibleLine:visLineNr with:fg and:bg.
|
|
|
710 |
y := self yOfLine:visLineNr.
|
|
7
|
711 |
self drawEdgesForX:0 y:y
|
|
|
712 |
width:width height:fontHeight
|
|
|
713 |
level:hilightLevel.
|
|
0
|
714 |
^ self
|
|
|
715 |
]
|
|
|
716 |
]
|
|
|
717 |
].
|
|
|
718 |
^ self drawVisibleLine:visLineNr with:fg and:bg
|
|
|
719 |
! !
|
|
|
720 |
|
|
|
721 |
!SelectionInListView methodsFor:'event handling'!
|
|
|
722 |
|
|
|
723 |
sizeChanged:how
|
|
|
724 |
"if there is a selection, make certain, its visible
|
|
|
725 |
after the sizechange"
|
|
|
726 |
|
|
|
727 |
|first|
|
|
|
728 |
|
|
|
729 |
super sizeChanged:how.
|
|
|
730 |
shown ifTrue:[
|
|
|
731 |
selection notNil ifTrue:[
|
|
|
732 |
(selection isKindOf:Collection) ifTrue:[
|
|
|
733 |
first := selection first
|
|
|
734 |
] ifFalse:[
|
|
|
735 |
first := selection
|
|
|
736 |
].
|
|
|
737 |
self makeLineVisible:first
|
|
|
738 |
]
|
|
|
739 |
]
|
|
|
740 |
!
|
|
|
741 |
|
|
|
742 |
keyPress:key x:x y:y
|
|
|
743 |
"handle keyboard input"
|
|
|
744 |
|
|
|
745 |
(keyboardHandler notNil
|
|
|
746 |
and:[keyboardHandler canHandle:key]) ifTrue:[
|
|
|
747 |
keyboardHandler keyPress:key x:x y:y.
|
|
|
748 |
^ self
|
|
|
749 |
].
|
|
|
750 |
(selection isKindOf:Collection) ifFalse:[
|
|
3
|
751 |
(key == #CursorUp) ifTrue:[
|
|
|
752 |
(selectConditionBlock isNil or:[selectConditionBlock value]) ifTrue:[
|
|
0
|
753 |
self selectPrevious.
|
|
|
754 |
actionBlock notNil ifTrue:[actionBlock value:selection].
|
|
|
755 |
].
|
|
3
|
756 |
^ self
|
|
|
757 |
].
|
|
|
758 |
(key == #CursorDown) ifTrue:[
|
|
|
759 |
(selectConditionBlock isNil or:[selectConditionBlock value]) ifTrue:[
|
|
0
|
760 |
self selectNext.
|
|
|
761 |
actionBlock notNil ifTrue:[actionBlock value:selection].
|
|
|
762 |
].
|
|
3
|
763 |
^ self
|
|
|
764 |
].
|
|
|
765 |
(key == #Home) ifTrue:[
|
|
|
766 |
(selectConditionBlock isNil or:[selectConditionBlock value]) ifTrue:[
|
|
0
|
767 |
self selection:1.
|
|
|
768 |
actionBlock notNil ifTrue:[actionBlock value:selection].
|
|
|
769 |
].
|
|
3
|
770 |
^ self
|
|
|
771 |
].
|
|
|
772 |
(key == #End) ifTrue:[
|
|
|
773 |
(selectConditionBlock isNil or:[selectConditionBlock value]) ifTrue:[
|
|
0
|
774 |
self selection:list size.
|
|
|
775 |
actionBlock notNil ifTrue:[actionBlock value:selection].
|
|
|
776 |
].
|
|
3
|
777 |
^ self
|
|
|
778 |
].
|
|
|
779 |
].
|
|
|
780 |
^ super keyPress:key x:x y:y
|
|
0
|
781 |
!
|
|
|
782 |
|
|
|
783 |
buttonPress:button x:x y:y
|
|
7
|
784 |
|oldSelection listLineNr|
|
|
0
|
785 |
|
|
|
786 |
(button == 1) ifTrue:[
|
|
|
787 |
enabled ifTrue:[
|
|
3
|
788 |
(selectConditionBlock isNil or:[selectConditionBlock value]) ifTrue:[
|
|
|
789 |
oldSelection := selection.
|
|
|
790 |
listLineNr := self visibleLineToListLine:(self visibleLineOfY:y).
|
|
|
791 |
listLineNr notNil ifTrue: [
|
|
|
792 |
self selectWithoutScroll:listLineNr
|
|
|
793 |
].
|
|
7
|
794 |
((ignoreReselect not and:[selection notNil])
|
|
|
795 |
or:[selection ~= oldSelection]) ifTrue:[
|
|
3
|
796 |
actionBlock notNil ifTrue:[actionBlock value:selection].
|
|
|
797 |
"the ST-80 way of doing things"
|
|
|
798 |
model notNil ifTrue:[
|
|
|
799 |
model perform:changeSymbol with:(self selectionValue)
|
|
|
800 |
]
|
|
|
801 |
].
|
|
|
802 |
clickLine := listLineNr
|
|
|
803 |
]
|
|
0
|
804 |
]
|
|
|
805 |
] ifFalse:[
|
|
|
806 |
super buttonPress:button x:x y:y
|
|
|
807 |
]
|
|
|
808 |
!
|
|
|
809 |
|
|
|
810 |
buttonShiftPress:button x:x y:y
|
|
|
811 |
|oldSelection listLineNr|
|
|
|
812 |
|
|
|
813 |
(button == 1) ifTrue:[
|
|
|
814 |
enabled ifTrue:[
|
|
3
|
815 |
(selectConditionBlock isNil or:[selectConditionBlock value]) ifTrue:[
|
|
|
816 |
oldSelection := selection copy.
|
|
|
817 |
listLineNr := self visibleLineToListLine:(self visibleLineOfY:y).
|
|
|
818 |
listLineNr notNil ifTrue: [
|
|
|
819 |
multipleSelectOk ifTrue:[
|
|
|
820 |
(self isInSelection:listLineNr) ifTrue:[
|
|
|
821 |
self removeFromSelection:listLineNr
|
|
|
822 |
] ifFalse:[
|
|
|
823 |
self addToSelection:listLineNr
|
|
|
824 |
]
|
|
0
|
825 |
] ifFalse:[
|
|
3
|
826 |
self selectWithoutScroll:listLineNr
|
|
0
|
827 |
]
|
|
3
|
828 |
].
|
|
|
829 |
(selection ~= oldSelection) ifTrue:[
|
|
|
830 |
actionBlock notNil ifTrue:[actionBlock value:selection].
|
|
|
831 |
"the ST-80 way of doing things"
|
|
|
832 |
model notNil ifTrue:[model perform:changeSymbol with:(self selectionValue)]
|
|
|
833 |
].
|
|
|
834 |
clickLine := listLineNr
|
|
|
835 |
]
|
|
0
|
836 |
]
|
|
|
837 |
] ifFalse:[
|
|
|
838 |
super buttonShiftPress:button x:x y:y
|
|
|
839 |
]
|
|
|
840 |
!
|
|
|
841 |
|
|
|
842 |
buttonMultiPress:button x:x y:y
|
|
|
843 |
(button == 1) ifTrue:[
|
|
|
844 |
doubleClickActionBlock isNil ifTrue:[
|
|
|
845 |
self buttonPress:button x:x y:y
|
|
|
846 |
] ifFalse:[
|
|
|
847 |
doubleClickActionBlock value:selection
|
|
|
848 |
]
|
|
|
849 |
] ifFalse:[
|
|
|
850 |
super buttonMultiPress:button x:x y:y
|
|
|
851 |
]
|
|
|
852 |
!
|
|
|
853 |
|
|
|
854 |
buttonRelease:button x:x y:y
|
|
|
855 |
"stop any autoscroll"
|
|
|
856 |
|
|
|
857 |
self stopAutoScroll
|
|
|
858 |
!
|
|
|
859 |
|
|
|
860 |
buttonMotion:button x:x y:y
|
|
|
861 |
"mouse-move while button was pressed - handle selection changes"
|
|
|
862 |
|
|
|
863 |
|movedVisibleLine movedLine delta oldSelection oldSelCount|
|
|
|
864 |
|
|
|
865 |
clickLine isNil ifTrue:[^ self].
|
|
|
866 |
|
|
|
867 |
"if moved outside of view, start autoscroll"
|
|
|
868 |
(y < 0) ifTrue:[
|
|
|
869 |
device compressMotionEvents:false.
|
|
|
870 |
self startScrollUp:y.
|
|
|
871 |
^ self
|
|
|
872 |
].
|
|
|
873 |
(y > height) ifTrue:[
|
|
|
874 |
device compressMotionEvents:false.
|
|
|
875 |
self startScrollDown:(y - height).
|
|
|
876 |
^ self
|
|
|
877 |
].
|
|
|
878 |
|
|
|
879 |
"move inside - stop autoscroll if any"
|
|
|
880 |
self stopAutoScroll.
|
|
|
881 |
|
|
|
882 |
movedVisibleLine := self visibleLineOfY:y.
|
|
|
883 |
movedLine := self visibleLineToAbsoluteLine:movedVisibleLine.
|
|
|
884 |
(movedLine == clickLine) ifTrue:[^ self].
|
|
|
885 |
|
|
|
886 |
multipleSelectOk ifTrue:[
|
|
|
887 |
delta := (clickLine < movedLine) ifTrue:[1] ifFalse:[-1].
|
|
|
888 |
|
|
|
889 |
oldSelection := selection.
|
|
|
890 |
oldSelCount := selection size.
|
|
|
891 |
|
|
|
892 |
(clickLine+delta) to:movedLine by:delta do:[:line |
|
|
|
893 |
(self isInSelection:line) ifTrue:[
|
|
|
894 |
self removeFromSelection:line
|
|
|
895 |
] ifFalse:[
|
|
|
896 |
self addToSelection:line
|
|
|
897 |
]
|
|
|
898 |
].
|
|
|
899 |
((selection ~= oldSelection)
|
|
|
900 |
or:[selection size ~~ oldSelCount]) ifTrue:[
|
|
|
901 |
actionBlock notNil ifTrue:[actionBlock value:selection]
|
|
|
902 |
]
|
|
|
903 |
] ifFalse:[
|
|
|
904 |
self selectWithoutScroll:movedLine
|
|
|
905 |
].
|
|
|
906 |
|
|
|
907 |
clickLine := movedLine
|
|
|
908 |
!
|
|
|
909 |
|
|
|
910 |
update:aParameter
|
|
|
911 |
|newList|
|
|
|
912 |
|
|
|
913 |
(aParameter == initialSelectionSymbol) ifTrue:[
|
|
|
914 |
self selectElement:(model perform:initialSelectionSymbol).
|
|
|
915 |
^ self
|
|
|
916 |
].
|
|
|
917 |
(aParameter == listSymbol) ifTrue:[
|
|
|
918 |
newList := (model perform:listSymbol) asText.
|
|
|
919 |
(newList = list) ifFalse:[
|
|
|
920 |
self list:newList
|
|
|
921 |
]
|
|
|
922 |
]
|
|
|
923 |
! !
|