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"
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COPYRIGHT (c) 1995 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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View subclass:#TopView
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instanceVariableNames:'type'
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classVariableNames:''
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poolDictionaries:''
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category:'Views-Basic'
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135
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!
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!TopView class methodsFor:'documentation'!
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copyright
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"
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COPYRIGHT (c) 1995 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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I am an abstract superclass of StandardSystemView and PopUpView;
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i.e. views which have no superview.
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"
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! !
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!TopView class methodsFor:'defaults'!
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defaultExtent
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"topviews extent is (0.6 @ 0.6) of screen by default"
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|display|
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display := Screen current.
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^ (display width // 3 * 2) @ (display height // 3 * 2)
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! !
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269
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!TopView methodsFor:'accessing & queries'!
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beMaster
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"make this a master-view. All slave views within the same
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windowGroup will be closed if any master is closed."
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type := #master
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!
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bePartner
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"make this a partner-view. Each partner-view will automatically
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close other partner views whenclosed."
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type := #partner
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!
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beSlave
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"make this a slave-view. It will be closed automatically,
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whenever any master of the group is closed."
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type := #slave
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!
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heightIncludingBorder
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"return the views overall-height"
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^ height
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!
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isCollapsed
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"ST80 compatibility: return true if the view is not shown (i.e. iconified)"
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^ shown not
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!
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preferredExtent
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"return my preferred extent - this is the minimum size I would like to have.
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The default here is the classes default extent,
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however many subclasses redefine this to compute the actual value
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depending on the sizes of the contents or subcomponents."
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^ self class defaultExtent
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!
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type
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"return the views type. This is one of #normal,
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#master, #slave or #partner."
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^ type
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!
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widthIncludingBorder
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"return the views overall-width"
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^ width
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! !
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!TopView methodsFor:'initialization'!
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initialize
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|screenCenter|
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super initialize.
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screenCenter := device center.
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left := screenCenter x - (width // 2).
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top := screenCenter y - (height // 2).
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type := #normal
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! !
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!TopView methodsFor:'misc'!
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raiseDeiconified
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"deiconify & bring to front"
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self isCollapsed ifTrue:[
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self unrealize.
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self realize.
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].
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self raise
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"
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Transcript topView raiseDeiconified
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"
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!
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withCursor:aCursor do:aBlock
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"evaluate aBlock while showing aCursor in all my views.
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Return the value as returned by aBlock."
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windowGroup notNil ifTrue:[
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^ windowGroup withCursor:aCursor do:aBlock
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].
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^ super withCursor:aCursor do:aBlock
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!
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withWaitCursorDo:aBlock
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"evaluate aBlock while showing a waitCursor in all my views.
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Return the value as returned by aBlock."
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^ self withCursor:(Cursor wait) do:aBlock
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! !
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!TopView methodsFor:'startup'!
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openInGroup:aGroup
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"special open within another windowGroup.
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This allows a view to be realized in any windowgroup;
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for applications where multiple views act as a group
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(i.e. close and iconify together)."
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self windowGroup:aGroup.
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aGroup addTopView:self.
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self realizeLeavingGroup:true
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!
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openWithExtent:anExtent
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"set extent and open. The given extent overrides the
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receivers preferredExtent.
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Added for ST-80 compatibility"
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self extent:anExtent; sizeFixed:true.
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self open
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! !
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!TopView methodsFor:'window events'!
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destroy
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"the receiver is to be destroyed - look for partners and slaves"
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|wg|
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wg := windowGroup. "/ have to fetch windowGroup before;
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super destroy. "/ since destroy nils it
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wg notNil ifTrue:[
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"/
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"/ if I am a master or partner, close all slaves
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"/
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(type == #master or:[type == #partner]) ifTrue:[
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wg slavesDo:[:v | v destroy].
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].
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"/
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"/ if I am a partner, close all partners
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"/
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type == #partner ifTrue:[
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wg partnersDo:[:v | v ~~ self ifTrue:[v destroy]].
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].
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].
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!
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mapped
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"the recevier was mapped (i.e. deiconified or just created);
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look for partners and slaves."
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realized := true.
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super mapped.
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windowGroup notNil ifTrue:[
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(type == #master or:[type == #partner]) ifTrue:[
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windowGroup slavesDo:[:v | v rerealize].
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].
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type == #partner ifTrue:[
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windowGroup partnersDo:[:v | v ~~ self ifTrue:[v rerealize]].
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]
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].
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!
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unmapped
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"the recevier was unmapped (i.e. iconified);
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look for partners and slaves."
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super unmapped.
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windowGroup notNil ifTrue:[
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(type == #master or:[type == #partner]) ifTrue:[
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windowGroup slavesDo:[:v | v unrealize].
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].
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type == #partner ifTrue:[
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windowGroup partnersDo:[:v | v ~~ self ifTrue:[v unrealize]].
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].
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].
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! !
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!TopView class methodsFor:'documentation'!
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version
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^ '$Header: /cvs/stx/stx/libview/TopView.st,v 1.8 1995-11-27 22:31:39 cg Exp $'
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! !
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