UIObjectView.st
author ca
Fri, 28 Feb 1997 12:38:52 +0100
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ObjectView subclass:#UIObjectView
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	instanceVariableNames:'inputView testMode undoHistory copiedExtent actionData
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		createClass clipChildren selectionHiddenLevel
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		setOfSuperViewsSizeChanged'
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	classVariableNames:''
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	poolDictionaries:''
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	category:'Interface-UIPainter'
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!
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Object subclass:#UndoHistory
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	instanceVariableNames:'history transaction enabled'
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	classVariableNames:''
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	poolDictionaries:''
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	privateIn:UIObjectView
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!
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Object subclass:#Transaction
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	instanceVariableNames:'type text actions'
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	classVariableNames:''
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	poolDictionaries:''
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	privateIn:UIObjectView::UndoHistory
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!
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!UIObjectView class methodsFor:'conversion'!
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asLayoutFrameFromView:aView
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    "convert layout from aView to a frameLayout. On success the frameLayout is
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     returned otherwise nil
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    "
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    |lF lO rF rO tF tO bF bO layout|
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    (layout := aView geometryLayout) isNil ifTrue:[
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        ^ nil
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    ].
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    layout isLayout ifTrue:[
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        layout isLayoutFrame ifTrue:[^ layout copy].
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        lF := layout leftFraction.
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        lO := layout leftOffset.
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        tF := layout topFraction.
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        tO := layout topOffset.
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        bF := tF.
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        bO := tO + aView extent y.
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        rF := lF.
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        rO := lO + aView extent x.
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    ] ifFalse:[
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        lF := rF := tF := bF := 0.
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        layout isRectangle ifTrue:[
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            lO := layout left.
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            tO := layout top.
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            rO := layout right.
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            bO := layout bottom.
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        ] ifFalse:[
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            layout isPoint ifFalse:[ ^ nil ].
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            lO := layout x.
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            tO := layout y.
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            rO := lO + aView extent x.
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            bO := tO + aView extent y.
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        ].
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    ].
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    ^ LayoutFrame leftFraction:lF offset:lO  rightFraction:rF offset:rO
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                   topFraction:tF offset:tO bottomFraction:bF offset:bO
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! !
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!UIObjectView class methodsFor:'defaults'!
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defaultGrid
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    ^ 4 @ 4
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!
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gridShown
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    ^ false
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!
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handleSize
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    "size of blob drawn for handles"
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    ^ 4
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!
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hitDelta
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    ^ 4
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! !
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!UIObjectView class methodsFor:'queries'!
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layoutType:aView
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    "returns layout type of aView or nil
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    "
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    |layout spec|
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    layout := aView geometryLayout.
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    layout notNil ifTrue:[
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        layout isLayout ifTrue:[
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            layout isLayoutFrame        ifTrue:[ ^ #LayoutFrame ].
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            layout isLayoutOrigin       ifTrue:[ ^ #LayoutOrigin ].
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            layout isAlignmentOrigin    ifTrue:[ ^ #AlignmentOrigin ].
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        ] ifFalse:[
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            layout isRectangle          ifTrue:[ ^ #Rectangle ].
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            layout isPoint              ifTrue:[ ^ #Point ].
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        ]
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    ] ifFalse:[
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        spec := aView superView specClass.
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        spec canResizeSubComponents     ifTrue:[ ^ #Extent ].
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    ].
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    ^ nil
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! !
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!UIObjectView methodsFor:'accessing'!
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gridAlign
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    "returns state of aligning to grid
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    "
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    ^ aligning
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!
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gridAlign:aBool
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    "change state of aligning to grid
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    "
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    aBool ifTrue:[self alignOn]
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         ifFalse:[self alignOff]
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!
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gridParameters
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    "used by defineGrid, and in a separate method for
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     easier redefinition in subclasses. 
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     Returns the grid parameters in an array of 7 elements,
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     which control the appearance of the grid-pattern.
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     the elements are:
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        bigStepH        number of pixels horizontally between 2 major steps
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        bigStepV        number of pixels vertically between 2 major steps
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        littleStepH     number of pixels horizontally between 2 minor steps
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        littleStepV     number of pixels vertically between 2 minor steps
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        gridAlignH      number of pixels for horizontal grid align (pointer snap)
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        gridAlignV      number of pixels for vertical grid align (pointer snap)
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        docBounds       true, if document boundary should be shown
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     if littleStepH/V are nil, only bigSteps are drawn.
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    "
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    ^ #(10 10 nil nil 10 10 false)
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!
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gridShown:aBool
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    "change visibility of grid
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    "
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    aBool ifTrue:[self showGrid]
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         ifFalse:[self hideGrid]
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!
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hideGrid
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    "hide grid
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    "
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    gridShown ifTrue:[
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        self withSelectionHiddenDo:[super hideGrid]
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    ]
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!
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showGrid
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    "show grid
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    "
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    self withSelectionHiddenDo:[super showGrid]
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!
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testMode
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    "returns true if running test
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    "
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    ^ testMode
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!
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testMode:aBoolean
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    "change test mode
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    "
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    (aBoolean == testMode) ifFalse:[
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        testMode := aBoolean.
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        testMode ifTrue:[
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            self unselect.
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            inputView unrealize
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        ] ifFalse:[
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            inputView raise.
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            inputView realize
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        ]
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    ]
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! !
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!UIObjectView methodsFor:'blocked'!
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addObject:anObject
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    "add the argument, anObject to the contents - with redraw
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    "
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    self halt
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!
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addObjectWithoutRedraw:anObject
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    "add the argument, anObject to the contents - with redraw
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    "
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    self halt
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! !
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!UIObjectView methodsFor:'event handling'!
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elementChangedSize:aView
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    "some element has changed its size; collect them during selectionHiddenLevel 
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     is on
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    "
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    selectionHiddenLevel ~~ 0 ifTrue:[
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        setOfSuperViewsSizeChanged add:aView superView
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    ] ifFalse:[
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        aView superView sizeChanged:nil
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    ]
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!
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exposeX:x y:y width:w height:h
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    "handle an expose event from device; redraw selection
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    "
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    super exposeX:x y:y width:w height:h.
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"/    selectionHiddenLevel == 0 ifTrue:[
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        self selectionDo:[:v | self showSelected:v]
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"/    ]
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!
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keyPress:key x:x y:y
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    "any key pressed
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    "
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    <resource: #keyboard ( #InspectIt #Delete #BackSpace #Cut) >
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    key == #InspectIt ifTrue:[
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        ^ self inspectSelection
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    ].
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    (key == #Cut or:[key == #Delete or:[key == #BackSpace]]) ifTrue: [
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        ^ self deleteSelection
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    ].
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    super keyPress:key x:x y:y
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!
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processEvent:anEvent
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    "catch expose events for components, and redraw its handles after
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     the redraw when this happens
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    "
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    |view|
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    selection notNil ifTrue:[
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        anEvent type == #damage ifTrue:[
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            view := anEvent view.
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            (selection == view
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            or:[selection isCollection
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                and:[selection includes:view]]) ifTrue:[
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                    self showSelected:view
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            ]
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        ]
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    ].
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    ^ false.
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!
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sizeChanged:how
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    "size of a view(s) changed
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    "
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    self withSelectionHiddenDo:[
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        super sizeChanged:how
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    ]
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! !
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   296
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!UIObjectView methodsFor:'initialization'!
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initialize
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    "setup attributes
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    "
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    super initialize.
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    "funny: since I do not want the created widgets to get pointer
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     events, I put an InputView on top of them, which catches those events
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     and passes them back to me - have to take care, that this inputView
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     is always on top
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    "
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    inputView := InputView origin:0.0@0.0 extent:1.0@1.0 in:self.
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    setOfSuperViewsSizeChanged := IdentitySet new.
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    inputView eventReceiver:self.
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    inputView enableButtonEvents.
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    inputView enableButtonMotionEvents.
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    self setDefaultActions.
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    undoHistory  := UndoHistory new.
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    testMode     := false.
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    clipChildren := true.
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    selectionHiddenLevel := 0.
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   322
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    (self class gridShown) ifTrue:[
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        super showGrid
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    ].
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!
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   328
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realize
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    super realize.
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   331
    self windowGroup postEventHook:self
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   332
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   333
! !
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   334
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!UIObjectView methodsFor:'misc'!
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   336
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cursor:aCursor
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   338
    "set cursor
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   339
    "
60
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    inputView realized ifTrue:[
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        inputView cursor:aCursor
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    ].
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    super cursor:aCursor
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   344
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   345
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!
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   347
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invertOutlineOf:anObject
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   349
    "invert outline of an object
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   350
    "
60
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    |wasClipped delta|
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   352
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    (wasClipped := clipChildren) ifTrue:[
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   354
        self clippedByChildren:(clipChildren := false).
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diff changeset
   355
    ].
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   356
    delta := (anObject originRelativeTo:self) - anObject origin.
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diff changeset
   357
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diff changeset
   358
    self xoring:[
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diff changeset
   359
        self displayRectangle:((anObject origin + delta) extent:anObject extent).
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parents: 59
diff changeset
   360
    ].
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parents: 59
diff changeset
   361
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parents: 59
diff changeset
   362
    wasClipped ifTrue:[
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diff changeset
   363
        self clippedByChildren:(clipChildren := true).
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diff changeset
   364
    ].
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parents: 59
diff changeset
   365
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diff changeset
   366
    "Modified: 5.9.1995 / 12:25:25 / claus"
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diff changeset
   367
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parents: 59
diff changeset
   368
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parents: 59
diff changeset
   369
!
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parents: 59
diff changeset
   370
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diff changeset
   371
setDefaultActions
61
85ef247db6b1 so far so good ...
ca
parents: 60
diff changeset
   372
    "set default actions
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ca
parents: 60
diff changeset
   373
    "
60
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   374
    pressAction      := [:pressPoint | self startSelectOrMove:pressPoint].
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diff changeset
   375
    shiftPressAction := [:pressPoint | self startSelectMoreOrMove:pressPoint].
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   376
    motionAction     := [:movePoint  | nil].
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diff changeset
   377
    releaseAction    := [nil].
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   378
    keyPressAction   := nil.
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diff changeset
   379
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diff changeset
   380
    self cursor:Cursor normal.
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diff changeset
   381
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diff changeset
   382
! !
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parents: 59
diff changeset
   383
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diff changeset
   384
!UIObjectView methodsFor:'object creation'!
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parents: 59
diff changeset
   385
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   386
actionCreate:anObject frame:aFrame delta:aDelta
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parents: 59
diff changeset
   387
    "create and initialize action data
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parents: 59
diff changeset
   388
    "
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parents: 59
diff changeset
   389
    |extent x y selectors values|
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parents: 59
diff changeset
   390
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parents: 59
diff changeset
   391
"minimum extent
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parents: 59
diff changeset
   392
"
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parents: 59
diff changeset
   393
    extent := self extent.
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diff changeset
   394
    x := extent x // 3.
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parents: 59
diff changeset
   395
    y := extent y // 3.
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parents: 59
diff changeset
   396
    extent := anObject preferredExtent.
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parents: 59
diff changeset
   397
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parents: 59
diff changeset
   398
    (extent x > x) ifTrue:[extent x:x].
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parents: 59
diff changeset
   399
    (extent y > y) ifTrue:[extent y:y].
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Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   400
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Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   401
"setup structure
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parents: 59
diff changeset
   402
"
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parents: 59
diff changeset
   403
    selectors := #( object frame delta vertical horizontal minExtent ).
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parents: 59
diff changeset
   404
    values    := Array new:(selectors size).
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parents: 59
diff changeset
   405
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parents: 59
diff changeset
   406
    values at:1 put:anObject.
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parents: 59
diff changeset
   407
    values at:2 put:aFrame.
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parents: 59
diff changeset
   408
    values at:3 put:aDelta.
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parents: 59
diff changeset
   409
    values at:4 put:(self isVerticalResizable:anObject).
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parents: 59
diff changeset
   410
    values at:5 put:(self isHorizontalResizable:anObject).
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parents: 59
diff changeset
   411
    values at:6 put:extent.
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parents: 59
diff changeset
   412
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parents: 59
diff changeset
   413
    actionData := Structure newWith:selectors values:values.
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parents: 59
diff changeset
   414
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parents: 59
diff changeset
   415
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parents: 59
diff changeset
   416
"can change cursor dependent on vertical/horizontal resizing
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parents: 59
diff changeset
   417
"
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Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   418
    oldCursor := cursor.
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parents: 59
diff changeset
   419
    self cursor:(Cursor leftHand).
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parents: 59
diff changeset
   420
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parents: 59
diff changeset
   421
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parents: 59
diff changeset
   422
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parents: 59
diff changeset
   423
!
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parents: 59
diff changeset
   424
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Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   425
createWidgetWithClass:aClass
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Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   426
    "prepare to create new widgets
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   427
    "
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Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   428
    createClass := aClass.
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parents: 59
diff changeset
   429
    pressAction := [:pressPoint | self startCreate:pressPoint].
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parents: 59
diff changeset
   430
    self cursor:Cursor origin.
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parents: 59
diff changeset
   431
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parents: 59
diff changeset
   432
7542ab7fbbfe *** empty log message ***
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parents: 59
diff changeset
   433
!
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parents: 59
diff changeset
   434
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Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   435
doDragCreate:aPoint
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Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   436
    "do a widget create drag
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Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   437
    "
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Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   438
    |frame object extent minimum|
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Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   439
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parents: 59
diff changeset
   440
    frame   := actionData frame.
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parents: 59
diff changeset
   441
    frame corner:((self alignToGrid:aPoint) - (actionData delta)).
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Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   442
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parents: 59
diff changeset
   443
    object  := actionData object.
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parents: 59
diff changeset
   444
    minimum := actionData minExtent.
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parents: 59
diff changeset
   445
    extent  := frame extent.
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parents: 59
diff changeset
   446
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parents: 59
diff changeset
   447
    ((extent x < minimum x) or:[actionData horizontal not]) ifTrue:[
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Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   448
        extent x:(minimum x)
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Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   449
    ].
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parents: 59
diff changeset
   450
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parents: 59
diff changeset
   451
    ((extent y < minimum y) or:[actionData vertical not]) ifTrue:[
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Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   452
        extent y:(minimum y)
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   453
    ].
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Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   454
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   455
    frame extent:extent.
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Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   456
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parents: 59
diff changeset
   457
    self invertOutlineOf:object.
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Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   458
    object origin:(frame origin) extent:(frame extent).
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Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   459
    self invertOutlineOf:object.
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   460
!
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   461
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   462
endCreate
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   463
    "end a widget create drag
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   464
    "
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   465
    |layout x y object|
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Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   466
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Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   467
    object := actionData object.
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Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   468
    self invertOutlineOf:object.
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Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   469
    inputView raise.
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   470
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   471
    object superView specClass basicNew setupInitialLayoutFor:object.
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   472
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   473
    self changed:#tree.
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Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   474
    self select:object.
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Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   475
    actionData := nil.
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   476
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   477
    self setDefaultActions.
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   478
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   479
!
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   480
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   481
setupCreatedObject:anObject
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   482
    self subclassResponsibility
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   483
!
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   484
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   485
startCreate:aPoint
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   486
    "start a widget create
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   487
    "
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   488
    |widget object start frame delta|
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   489
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Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   490
    (createClass isNil or:[self numberOfSelections > 1]) ifTrue:[
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   491
        self unselect.
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   492
      ^ self setDefaultActions.
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   493
    ].
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Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   494
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   495
    (widget := self singleSelection) notNil ifTrue:[
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   496
        self unselect.
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Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   497
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   498
        (self isPoint:aPoint containedIn:widget) ifFalse:[
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   499
            widget := self
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   500
        ] ifTrue:[
61
85ef247db6b1 so far so good ...
ca
parents: 60
diff changeset
   501
            widget specClass supportsSubComponents ifFalse:[
60
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   502
                ^ self setDefaultActions.
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   503
            ]
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   504
        ]
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   505
    ] ifFalse:[
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   506
        widget := self
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   507
    ].
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   508
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   509
    motionAction  := [:movePoint| self doDragCreate:movePoint].
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Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   510
    releaseAction := [ self endCreate].
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   511
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   512
    object := createClass new.
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   513
    widget addSubView:object.
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   514
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   515
    start := self alignToGrid:aPoint.
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Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   516
    delta := widget originRelativeTo:self.
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Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   517
    frame := Rectangle origin:(start - delta) corner:start.
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   518
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   519
    object origin:(frame origin).
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   520
    self setupCreatedObject:object.
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   521
    object realize.
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   522
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   523
    self actionCreate:object frame:frame delta:delta.
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   524
    self invertOutlineOf:object.
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   525
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   526
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   527
! !
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   528
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   529
!UIObjectView methodsFor:'object moving'!
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   530
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   531
doObjectMove:aPoint
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   532
    "move selection
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   533
    "
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   534
    movedObject notNil ifTrue:[
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   535
        movedObject keysAndValuesDo:[:nr :aView|
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   536
            self invertOutlineOf:aView.
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   537
            self moveObject:aView to:(aPoint - (moveDelta at:nr)).
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   538
            self invertOutlineOf:aView.
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   539
        ]
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   540
    ]
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   541
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   542
!
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   543
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   544
endObjectMove
61
85ef247db6b1 so far so good ...
ca
parents: 60
diff changeset
   545
    "cleanup after object(s) move
85ef247db6b1 so far so good ...
ca
parents: 60
diff changeset
   546
    "
60
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   547
    movedObject notNil ifTrue:[
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   548
        movedObject do:[:aView|
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   549
            self invertOutlineOf:aView
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   550
        ].
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   551
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   552
        movedObject do:[:aView|
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   553
            self showSelected:aView
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   554
        ].
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   555
        movedObject size == 1 ifTrue:[
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   556
            selection := movedObject at:1
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   557
        ] ifFalse:[
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   558
            selection := movedObject
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   559
        ].
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   560
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   561
        movedObject := nil.
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   562
        self setDefaultActions.
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   563
        self changed:#layout.
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   564
    ].
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   565
!
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   566
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   567
moveObject:anObject to:aPoint
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   568
    "move anObject to newOrigin, aPoint
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   569
    "
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   570
    |dX dY org delta|
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   571
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   572
    anObject notNil ifTrue:[
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   573
        org := anObject computeOrigin.
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   574
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   575
        delta := aPoint - org.
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   576
        delta := (self alignToGrid:aPoint) - org.
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   577
        dX := delta x.
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   578
        dY := delta y.
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   579
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   580
        undoHistory disabledTransitionDo:[
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   581
            self shiftLayout:anObject top:dY bottom:dY left:dX right:dX
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   582
        ]
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   583
    ]
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   584
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   585
!
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   586
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   587
startObjectMoveAt:aPoint
61
85ef247db6b1 so far so good ...
ca
parents: 60
diff changeset
   588
    "start object(s) move at a point
85ef247db6b1 so far so good ...
ca
parents: 60
diff changeset
   589
    "
60
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   590
    self startObjectMove:selection at:aPoint.
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   591
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   592
    selection isCollection ifTrue:[
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   593
        movedObject := selection
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   594
    ] ifFalse:[
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   595
        movedObject := Array with:selection
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   596
    ].
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   597
    super unselect.
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   598
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   599
    moveDelta := movedObject collect:[:aView|
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   600
        aPoint - aView computeOrigin
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   601
    ].
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   602
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   603
    self transaction:#move objects:movedObject do:[:aView|
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   604
        self invertOutlineOf:aView.
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   605
        self undoLayoutView:aView
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   606
    ].
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   607
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   608
!
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   609
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   610
startSelectMoreOrMove:aPoint
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   611
    "add/remove to/from selection"
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   612
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   613
    |anObject|
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   614
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   615
    testMode ifTrue:[^ self].
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   616
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   617
    anObject := self findObjectAt:aPoint.
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   618
    anObject notNil ifTrue:[
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   619
        (self isSelected:anObject) ifTrue:[
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   620
            self removeFromSelection:anObject
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   621
        ] ifFalse:[
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   622
            self addToSelection:anObject
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   623
        ]
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   624
    ]
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   625
!
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   626
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   627
startSelectOrMove:aPoint
61
85ef247db6b1 so far so good ...
ca
parents: 60
diff changeset
   628
    "a button is pressed at a point; start moving or selection
60
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   629
    "
61
85ef247db6b1 so far so good ...
ca
parents: 60
diff changeset
   630
    |aView b|
60
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   631
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   632
    testMode ifTrue:[^ self].
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   633
61
85ef247db6b1 so far so good ...
ca
parents: 60
diff changeset
   634
    aView := self singleSelection.
85ef247db6b1 so far so good ...
ca
parents: 60
diff changeset
   635
85ef247db6b1 so far so good ...
ca
parents: 60
diff changeset
   636
    aView notNil ifTrue:[
85ef247db6b1 so far so good ...
ca
parents: 60
diff changeset
   637
        (aView superView specClass canResizeSubComponents) ifTrue:[
85ef247db6b1 so far so good ...
ca
parents: 60
diff changeset
   638
            b := self whichHandleOf:aView isHitBy:aPoint.
85ef247db6b1 so far so good ...
ca
parents: 60
diff changeset
   639
85ef247db6b1 so far so good ...
ca
parents: 60
diff changeset
   640
            (b notNil and:[b ~~ #view]) ifTrue:[
85ef247db6b1 so far so good ...
ca
parents: 60
diff changeset
   641
                ^ self startResizeBorder:b of:aView.
85ef247db6b1 so far so good ...
ca
parents: 60
diff changeset
   642
            ]
60
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   643
        ]
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   644
    ].
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   645
61
85ef247db6b1 so far so good ...
ca
parents: 60
diff changeset
   646
    (aView := self findObjectAt:aPoint) isNil ifTrue:[
60
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   647
        ^ self unselect
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   648
    ].
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   649
61
85ef247db6b1 so far so good ...
ca
parents: 60
diff changeset
   650
    (self canMove:aView) ifFalse:[
60
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   651
        super unselect.
61
85ef247db6b1 so far so good ...
ca
parents: 60
diff changeset
   652
      ^ self select:aView
85ef247db6b1 so far so good ...
ca
parents: 60
diff changeset
   653
    ].
85ef247db6b1 so far so good ...
ca
parents: 60
diff changeset
   654
85ef247db6b1 so far so good ...
ca
parents: 60
diff changeset
   655
    (self isSelected:aView) ifFalse:[
85ef247db6b1 so far so good ...
ca
parents: 60
diff changeset
   656
        super unselect.
85ef247db6b1 so far so good ...
ca
parents: 60
diff changeset
   657
        self select:aView.
60
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   658
    ].
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   659
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   660
    (self numberOfSelections ~~ 1) ifTrue:[
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   661
        releaseAction := [
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   662
            self setDefaultActions.
61
85ef247db6b1 so far so good ...
ca
parents: 60
diff changeset
   663
            self select:aView
60
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   664
        ]
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   665
    ] ifFalse:[
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   666
        releaseAction := [self setDefaultActions]
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   667
    ].
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   668
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   669
    "prepare move operation for an object
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   670
    "
61
85ef247db6b1 so far so good ...
ca
parents: 60
diff changeset
   671
60
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   672
    motionAction := [:movePoint|
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   673
        (aPoint dist:movePoint) > 4.0 ifTrue:[
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   674
            self startObjectMoveAt:aPoint
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   675
        ]
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   676
    ].
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   677
! !
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   678
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   679
!UIObjectView methodsFor:'object resize'!
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   680
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   681
actionResize:anObject selector:aSelector
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   682
    "create and initialize action for resize
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   683
    "
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   684
    |selector delta|
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   685
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   686
    delta    := anObject container originRelativeTo:self.
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   687
    selector := ('resize:', aSelector, ':') asSymbol.
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   688
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   689
    actionData := Structure with:(#object->anObject)
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   690
                            with:(#selector->selector)
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   691
                            with:(#delta->delta).
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   692
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   693
"can change cursor dependent on vertical/horizontal resizing
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   694
"
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   695
    oldCursor := cursor.
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   696
    self cursor:(Cursor leftHand).
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   697
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   698
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   699
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   700
!
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   701
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   702
doDragResize:aPoint
61
85ef247db6b1 so far so good ...
ca
parents: 60
diff changeset
   703
    "do a widget resize drag
85ef247db6b1 so far so good ...
ca
parents: 60
diff changeset
   704
    "
60
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   705
    |p object|
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   706
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   707
    object := actionData object.
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   708
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   709
    self invertOutlineOf:object.
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   710
    p := (self alignToGrid:aPoint) - (actionData delta).
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   711
    self perform:(actionData selector) with:object with:p.
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   712
    object geometryLayout:(object geometryLayout).
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   713
    self invertOutlineOf:object
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   714
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   715
!
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   716
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   717
endResize
61
85ef247db6b1 so far so good ...
ca
parents: 60
diff changeset
   718
    "cleanup after object resize
85ef247db6b1 so far so good ...
ca
parents: 60
diff changeset
   719
    "
85ef247db6b1 so far so good ...
ca
parents: 60
diff changeset
   720
    |object|
85ef247db6b1 so far so good ...
ca
parents: 60
diff changeset
   721
85ef247db6b1 so far so good ...
ca
parents: 60
diff changeset
   722
    object := actionData object.
85ef247db6b1 so far so good ...
ca
parents: 60
diff changeset
   723
    actionData := nil.
85ef247db6b1 so far so good ...
ca
parents: 60
diff changeset
   724
85ef247db6b1 so far so good ...
ca
parents: 60
diff changeset
   725
    self invertOutlineOf:object.
60
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   726
    self setDefaultActions.
61
85ef247db6b1 so far so good ...
ca
parents: 60
diff changeset
   727
    self elementChangedSize:object.
85ef247db6b1 so far so good ...
ca
parents: 60
diff changeset
   728
    super select:object.
60
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   729
    self changed:#layout.
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   730
!
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   731
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   732
startResizeBorder:b of:selection
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   733
    "resize selected view
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   734
    "
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   735
    |object|
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   736
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   737
    object := self singleSelection.
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   738
    self actionResize:object selector:b.
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   739
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   740
    self transaction:#extent selectionDo:[:aView|
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   741
        self undoLayoutView:aView
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   742
    ].
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   743
    super unselect.
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   744
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   745
    motionAction  := [:movePoint | self doDragResize:movePoint].
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   746
    releaseAction := [self endResize].
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   747
    self invertOutlineOf:object
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   748
! !
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   749
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   750
!UIObjectView methodsFor:'private handles'!
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   751
61
85ef247db6b1 so far so good ...
ca
parents: 60
diff changeset
   752
handlesOf:aView do:aBlock
85ef247db6b1 so far so good ...
ca
parents: 60
diff changeset
   753
    |dlta type v h|
85ef247db6b1 so far so good ...
ca
parents: 60
diff changeset
   754
85ef247db6b1 so far so good ...
ca
parents: 60
diff changeset
   755
    dlta := (aView originRelativeTo:self) - aView origin.
85ef247db6b1 so far so good ...
ca
parents: 60
diff changeset
   756
    type := self class layoutType:aView.
85ef247db6b1 so far so good ...
ca
parents: 60
diff changeset
   757
85ef247db6b1 so far so good ...
ca
parents: 60
diff changeset
   758
    (type == #LayoutFrame or:[type == #Rectangle]) ifTrue:[
85ef247db6b1 so far so good ...
ca
parents: 60
diff changeset
   759
        v := self isVerticalResizable:aView.
85ef247db6b1 so far so good ...
ca
parents: 60
diff changeset
   760
        h := self isHorizontalResizable:aView.
85ef247db6b1 so far so good ...
ca
parents: 60
diff changeset
   761
85ef247db6b1 so far so good ...
ca
parents: 60
diff changeset
   762
        h ifTrue:[  aBlock value:(aView leftCenter   + dlta) value:#left.
85ef247db6b1 so far so good ...
ca
parents: 60
diff changeset
   763
                    aBlock value:(aView rightCenter  + dlta) value:#right.
85ef247db6b1 so far so good ...
ca
parents: 60
diff changeset
   764
                 ].
85ef247db6b1 so far so good ...
ca
parents: 60
diff changeset
   765
        v ifTrue:[  aBlock value:(aView topCenter    + dlta) value:#top.
85ef247db6b1 so far so good ...
ca
parents: 60
diff changeset
   766
                    aBlock value:(aView bottomCenter + dlta) value:#bottom.
85ef247db6b1 so far so good ...
ca
parents: 60
diff changeset
   767
                 ].
85ef247db6b1 so far so good ...
ca
parents: 60
diff changeset
   768
85ef247db6b1 so far so good ...
ca
parents: 60
diff changeset
   769
        (h and:[v]) ifTrue:[
85ef247db6b1 so far so good ...
ca
parents: 60
diff changeset
   770
            aBlock value:(aView origin     + dlta) value:#origin.
85ef247db6b1 so far so good ...
ca
parents: 60
diff changeset
   771
            aBlock value:(aView topRight   + dlta) value:#topRight.
85ef247db6b1 so far so good ...
ca
parents: 60
diff changeset
   772
            aBlock value:(aView bottomLeft + dlta) value:#bottomLeft.
85ef247db6b1 so far so good ...
ca
parents: 60
diff changeset
   773
            aBlock value:(aView corner     + dlta) value:#corner.
85ef247db6b1 so far so good ...
ca
parents: 60
diff changeset
   774
          ^ self
85ef247db6b1 so far so good ...
ca
parents: 60
diff changeset
   775
        ]
60
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   776
    ].
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   777
61
85ef247db6b1 so far so good ...
ca
parents: 60
diff changeset
   778
    aBlock value:(aView origin     + dlta) value:#view.
85ef247db6b1 so far so good ...
ca
parents: 60
diff changeset
   779
    aBlock value:(aView topRight   + dlta) value:#view.
85ef247db6b1 so far so good ...
ca
parents: 60
diff changeset
   780
    aBlock value:(aView bottomLeft + dlta) value:#view.
85ef247db6b1 so far so good ...
ca
parents: 60
diff changeset
   781
85ef247db6b1 so far so good ...
ca
parents: 60
diff changeset
   782
    type == #Extent ifTrue:[
85ef247db6b1 so far so good ...
ca
parents: 60
diff changeset
   783
        v := self isVerticalResizable:aView.
85ef247db6b1 so far so good ...
ca
parents: 60
diff changeset
   784
        h := self isHorizontalResizable:aView.
85ef247db6b1 so far so good ...
ca
parents: 60
diff changeset
   785
85ef247db6b1 so far so good ...
ca
parents: 60
diff changeset
   786
        v ifTrue:[aBlock value:(aView bottomCenter + dlta) value:#bottom].
85ef247db6b1 so far so good ...
ca
parents: 60
diff changeset
   787
        h ifTrue:[aBlock value:(aView rightCenter  + dlta) value:#right ].
85ef247db6b1 so far so good ...
ca
parents: 60
diff changeset
   788
85ef247db6b1 so far so good ...
ca
parents: 60
diff changeset
   789
        (h and:[v]) ifTrue:[
85ef247db6b1 so far so good ...
ca
parents: 60
diff changeset
   790
            aBlock value:(aView corner + dlta) value:#corner.
85ef247db6b1 so far so good ...
ca
parents: 60
diff changeset
   791
          ^ self
85ef247db6b1 so far so good ...
ca
parents: 60
diff changeset
   792
        ]
60
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   793
    ].
61
85ef247db6b1 so far so good ...
ca
parents: 60
diff changeset
   794
    aBlock value:(aView corner + dlta) value:#view.
60
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   795
!
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   796
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   797
showSelected:aComponent
61
85ef247db6b1 so far so good ...
ca
parents: 60
diff changeset
   798
    "show object selected
85ef247db6b1 so far so good ...
ca
parents: 60
diff changeset
   799
    "
60
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   800
    |wasClipped delta oldPaint|
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   801
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   802
    self paint:Color black.
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   803
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   804
    (wasClipped := clipChildren) ifTrue:[
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   805
        self clippedByChildren:(clipChildren := false). 
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   806
    ].
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   807
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   808
    self handlesOf:aComponent do:[:pnt :what |
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   809
        what == #view ifTrue:[self displayRectangle:(pnt - (4@4) extent:7@7)]
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   810
                     ifFalse:[self    fillRectangle:(pnt - (4@4) extent:7@7)]
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   811
    ].
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   812
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   813
    wasClipped ifTrue:[
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   814
        self clippedByChildren:(clipChildren := true).
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   815
    ].
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   816
    self paint:oldPaint.
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   817
!
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   818
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   819
showUnselected:aComponent
61
85ef247db6b1 so far so good ...
ca
parents: 60
diff changeset
   820
    "show object unselected
85ef247db6b1 so far so good ...
ca
parents: 60
diff changeset
   821
    "
60
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   822
    |wasClipped delta r oldPaint|
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   823
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   824
    r := aComponent origin extent:8@8.
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   825
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   826
    (wasClipped := clipChildren) ifTrue:[
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   827
        self clippedByChildren:(clipChildren := false). 
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   828
    ].
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   829
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   830
    self handlesOf:aComponent do:[:pnt :what |
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   831
        self clearRectangle:(pnt - (4@4) extent:7@7).
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   832
    ].
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   833
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   834
    wasClipped ifTrue:[
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   835
        self clippedByChildren:(clipChildren := true). 
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   836
    ].
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   837
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   838
    "/ must redraw all components which are affected b the handles
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   839
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   840
    r := (aComponent originRelativeTo:self) - (4@4)
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   841
             extent:(aComponent extent + (4@4)).
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   842
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   843
    subViews do:[:anotherComponent |
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   844
        |absOrg absFrame|
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   845
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   846
        anotherComponent ~~ inputView ifTrue:[
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   847
            absOrg := anotherComponent originRelativeTo:self.
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   848
            absFrame := absOrg extent:(anotherComponent extent).
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   849
            (absFrame intersects:r) ifTrue:[
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   850
                anotherComponent withAllSubViewsDo:[:v |
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   851
                    v clear.
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   852
                    v exposeX:0 y:0 width:9999 height:9999.
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   853
                ]
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   854
            ]
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   855
        ]
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   856
    ]
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   857
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   858
!
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   859
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   860
whichHandleOf:aView isHitBy:aPoint
61
85ef247db6b1 so far so good ...
ca
parents: 60
diff changeset
   861
    "returns kind of handle or nil
85ef247db6b1 so far so good ...
ca
parents: 60
diff changeset
   862
    "
60
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   863
    |bounds|
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   864
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   865
    self handlesOf:aView do:[:pnt :what |
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   866
        ((pnt - (4@4) extent:7@7) containsPoint:aPoint) ifTrue:[
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   867
            ^ what
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   868
        ].
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   869
    ].
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   870
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   871
    ^ nil
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   872
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   873
    "Modified: 5.9.1995 / 14:39:34 / claus"
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   874
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   875
! !
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   876
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   877
!UIObjectView methodsFor:'private resizing-subviews'!
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   878
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   879
resize:aView bottom:aPoint
61
85ef247db6b1 so far so good ...
ca
parents: 60
diff changeset
   880
    "resize a views bottom
85ef247db6b1 so far so good ...
ca
parents: 60
diff changeset
   881
    "
60
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   882
    undoHistory disabledTransitionDo:[
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   883
        self shiftLayout:aView top:0 bottom:((aPoint y) - (aView computeCorner y))
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   884
    ]
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   885
!
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   886
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   887
resize:aView bottomLeft:aPoint
61
85ef247db6b1 so far so good ...
ca
parents: 60
diff changeset
   888
    "resize a views bottom and left
85ef247db6b1 so far so good ...
ca
parents: 60
diff changeset
   889
    "
60
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   890
    undoHistory disabledTransitionDo:[
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   891
        self shiftLayout:aView top:0
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   892
                            bottom:((aPoint y) - (aView computeCorner y))
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   893
                              left:((aPoint x) - (aView computeOrigin x))
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   894
                             right:0
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   895
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   896
    ]
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   897
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   898
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   899
!
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   900
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   901
resize:aView corner:aPoint
61
85ef247db6b1 so far so good ...
ca
parents: 60
diff changeset
   902
    "resize a views corner
85ef247db6b1 so far so good ...
ca
parents: 60
diff changeset
   903
    "
60
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   904
    |delta|
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   905
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   906
    delta := aPoint - aView computeCorner.
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   907
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   908
    undoHistory disabledTransitionDo:[
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   909
        self shiftLayout:aView top:0 bottom:(delta y) left:0 right:(delta x)
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   910
    ]
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   911
!
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   912
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   913
resize:aView left:aPoint
61
85ef247db6b1 so far so good ...
ca
parents: 60
diff changeset
   914
    "resize a views left
85ef247db6b1 so far so good ...
ca
parents: 60
diff changeset
   915
    "
60
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   916
    undoHistory disabledTransitionDo:[
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   917
        self shiftLayout:aView left:((aPoint x) - (aView computeOrigin x)) right:0
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   918
    ]
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   919
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   920
!
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   921
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   922
resize:aView origin:aPoint
61
85ef247db6b1 so far so good ...
ca
parents: 60
diff changeset
   923
    "resize a views origin
85ef247db6b1 so far so good ...
ca
parents: 60
diff changeset
   924
    "
60
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   925
    |delta|
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   926
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   927
    delta := aPoint - aView computeOrigin.
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   928
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   929
    undoHistory disabledTransitionDo:[
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   930
        self shiftLayout:aView top:(delta y) bottom:0 left:(delta x) right:0
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   931
    ]
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   932
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   933
!
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   934
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   935
resize:aView right:aPoint
61
85ef247db6b1 so far so good ...
ca
parents: 60
diff changeset
   936
    "resize a views right
85ef247db6b1 so far so good ...
ca
parents: 60
diff changeset
   937
    "
60
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   938
    undoHistory disabledTransitionDo:[
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   939
        self shiftLayout:aView left:0 right:((aPoint x) - (aView computeCorner x))
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   940
    ]
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   941
!
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   942
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   943
resize:aView top:aPoint
61
85ef247db6b1 so far so good ...
ca
parents: 60
diff changeset
   944
    "resize a views top
85ef247db6b1 so far so good ...
ca
parents: 60
diff changeset
   945
    "
60
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   946
    undoHistory disabledTransitionDo:[
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   947
        self shiftLayout:aView top:((aPoint y) - (aView computeOrigin y)) bottom:0
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   948
    ]
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   949
!
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   950
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   951
resize:aView topRight:aPoint
61
85ef247db6b1 so far so good ...
ca
parents: 60
diff changeset
   952
    "resize a views top and right
85ef247db6b1 so far so good ...
ca
parents: 60
diff changeset
   953
    "
60
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   954
    undoHistory disabledTransitionDo:[
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   955
        self shiftLayout:aView top:((aPoint y) - (aView computeOrigin y))
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   956
                            bottom:0
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   957
                              left:0
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   958
                             right:((aPoint x) - (aView computeCorner x))
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   959
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   960
    ]
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   961
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   962
! !
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   963
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   964
!UIObjectView methodsFor:'private shift-layout'!
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   965
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   966
shiftLayout:aView left:l right:r
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   967
    "shift layout for a view; in case of an open transaction, the undo
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   968
     action is registered
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   969
    "
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   970
    self shiftLayout:aView top:0 bottom:0 left:l right:r
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   971
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   972
!
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   973
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   974
shiftLayout:aView top:t bottom:b
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   975
    "shift layout for a view; in case of an open transaction, the undo
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   976
     action is registered
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   977
    "
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   978
    self shiftLayout:aView top:t bottom:b left:0 right:0
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   979
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   980
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   981
!
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   982
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   983
shiftLayout:aView top:t bottom:b left:l right:r
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   984
    "shift layout for a view; in case of an open transaction, the undo
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   985
     action is registered
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   986
    "
61
85ef247db6b1 so far so good ...
ca
parents: 60
diff changeset
   987
    |type layout|
85ef247db6b1 so far so good ...
ca
parents: 60
diff changeset
   988
85ef247db6b1 so far so good ...
ca
parents: 60
diff changeset
   989
    type := self class layoutType:aView.
85ef247db6b1 so far so good ...
ca
parents: 60
diff changeset
   990
85ef247db6b1 so far so good ...
ca
parents: 60
diff changeset
   991
    type notNil ifTrue:[
85ef247db6b1 so far so good ...
ca
parents: 60
diff changeset
   992
        self undoLayoutView:aView.
85ef247db6b1 so far so good ...
ca
parents: 60
diff changeset
   993
85ef247db6b1 so far so good ...
ca
parents: 60
diff changeset
   994
        type == #Extent ifTrue:[
85ef247db6b1 so far so good ...
ca
parents: 60
diff changeset
   995
            ^ aView geometryLayout:layout
60
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
   996
        ].
61
85ef247db6b1 so far so good ...
ca
parents: 60
diff changeset
   997
85ef247db6b1 so far so good ...
ca
parents: 60
diff changeset
   998
        layout := aView geometryLayout.
85ef247db6b1 so far so good ...
ca
parents: 60
diff changeset
   999
85ef247db6b1 so far so good ...
ca
parents: 60
diff changeset
  1000
        layout isLayout ifTrue:[
85ef247db6b1 so far so good ...
ca
parents: 60
diff changeset
  1001
            layout leftOffset:(layout leftOffset + l)
85ef247db6b1 so far so good ...
ca
parents: 60
diff changeset
  1002
                    topOffset:(layout topOffset  + t).
85ef247db6b1 so far so good ...
ca
parents: 60
diff changeset
  1003
                    
85ef247db6b1 so far so good ...
ca
parents: 60
diff changeset
  1004
            type == #LayoutFrame ifTrue:[
85ef247db6b1 so far so good ...
ca
parents: 60
diff changeset
  1005
                layout bottomOffset:(layout bottomOffset + b).
85ef247db6b1 so far so good ...
ca
parents: 60
diff changeset
  1006
                layout  rightOffset:(layout rightOffset  + r).
85ef247db6b1 so far so good ...
ca
parents: 60
diff changeset
  1007
            ]
85ef247db6b1 so far so good ...
ca
parents: 60
diff changeset
  1008
        ] ifFalse:[
85ef247db6b1 so far so good ...
ca
parents: 60
diff changeset
  1009
            type == #Rectangle ifTrue:[
85ef247db6b1 so far so good ...
ca
parents: 60
diff changeset
  1010
                layout left:(layout left   + l)
85ef247db6b1 so far so good ...
ca
parents: 60
diff changeset
  1011
                      right:(layout right  + r)
85ef247db6b1 so far so good ...
ca
parents: 60
diff changeset
  1012
                        top:(layout top    + t)
85ef247db6b1 so far so good ...
ca
parents: 60
diff changeset
  1013
                     bottom:(layout bottom + b).
85ef247db6b1 so far so good ...
ca
parents: 60
diff changeset
  1014
            ] ifFalse:[     "POINT"
85ef247db6b1 so far so good ...
ca
parents: 60
diff changeset
  1015
                layout x:(layout x + l) y:(layout y + t).
85ef247db6b1 so far so good ...
ca
parents: 60
diff changeset
  1016
            ]
85ef247db6b1 so far so good ...
ca
parents: 60
diff changeset
  1017
        ].
85ef247db6b1 so far so good ...
ca
parents: 60
diff changeset
  1018
        aView geometryLayout:layout
60
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
  1019
    ]
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
  1020
! !
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
  1021
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
  1022
!UIObjectView methodsFor:'searching'!
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
  1023
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
  1024
findObjectAt:aPoint
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
  1025
    "find the origin/corner of the currentWidget
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
  1026
    "
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
  1027
    |view viewId lastId point listOfViews|
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
  1028
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
  1029
    viewId := rootView id.
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
  1030
    point  := aPoint + (device translatePoint:0@0 from:(self id) to:viewId).
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
  1031
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
  1032
    inputView lower.
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
  1033
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
  1034
    [viewId notNil] whileTrue:[
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
  1035
        lastId := viewId.
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
  1036
        viewId := device viewIdFromPoint:point in:lastId
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
  1037
    ].
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
  1038
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
  1039
    inputView raise.
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
  1040
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
  1041
    view := device viewFromId:lastId.
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
  1042
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
  1043
    view ~~ inputView ifTrue:[^ view].
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
  1044
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
  1045
    "/ look for 'hidden' views ...
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
  1046
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
  1047
    listOfViews := OrderedCollection new.
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
  1048
    self allSubViewsDo:[:aView |
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
  1049
        |org|
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
  1050
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
  1051
        aView ~~ inputView ifTrue:[
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
  1052
            org := device translatePoint:0@0 from:(aView id) to:self id.
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
  1053
            ((org extent:aView extent) containsPoint:aPoint) ifTrue:[
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
  1054
                listOfViews add:aView.
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
  1055
            ]
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
  1056
        ]
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
  1057
    ].
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
  1058
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
  1059
    listOfViews size > 0 ifTrue:[
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
  1060
        ^ listOfViews last
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
  1061
    ].
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
  1062
    ^ nil
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
  1063
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
  1064
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
  1065
!
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
  1066
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
  1067
isPoint:aPoint containedIn:aView
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
  1068
    "checks whether a point is covered by a view.
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
  1069
    "
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
  1070
    |p|
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
  1071
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
  1072
    p := device translatePoint:aPoint from:inputView id to:aView id.
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
  1073
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
  1074
    (p x >= 0 and:[p y >= 0]) ifTrue:[
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
  1075
        p := aView extent - p.
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
  1076
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
  1077
        (p x >= 0 and:[p y >= 0]) ifTrue:[
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
  1078
            ^ true
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
  1079
        ]
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
  1080
    ].
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
  1081
    ^ false
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
  1082
!
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
  1083
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
  1084
whichBorderOf:aView isHitBy:aPoint
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
  1085
    |p r bw org|
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
  1086
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
  1087
    bw := aView borderWidth.
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
  1088
    p := aPoint - (aView superView originRelativeTo:self).
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
  1089
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
  1090
    r := Rectangle origin:(aView origin)
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
  1091
                   extent:(aView width @ bw).
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
  1092
    (r containsPoint:p) ifTrue:[^ #top:].
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
  1093
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
  1094
    r origin:(aView left @ (aView bottom + bw)) extent:(aView width @ bw).
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
  1095
    (r containsPoint:p) ifTrue:[^ #bottom:].
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
  1096
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
  1097
    r top:(aView top).
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
  1098
    r extent:(bw @ aView height).
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
  1099
    (r containsPoint:p) ifTrue:[^ #left:].
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
  1100
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
  1101
    r origin:((aView right + bw) @ aView top).
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
  1102
    (r containsPoint:p) ifTrue:[^ #right:].
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
  1103
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
  1104
    ^ nil
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
  1105
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
  1106
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
  1107
! !
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
  1108
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
  1109
!UIObjectView methodsFor:'selections'!
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
  1110
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
  1111
addToSelection:something
61
85ef247db6b1 so far so good ...
ca
parents: 60
diff changeset
  1112
    "add something to selection
85ef247db6b1 so far so good ...
ca
parents: 60
diff changeset
  1113
    "
60
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
  1114
    (self canSelect:something) ifTrue:[
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
  1115
        super addToSelection:something.
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
  1116
        self changed:#selection.
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
  1117
    ]
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
  1118
!
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
  1119
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
  1120
inspectSelection
61
85ef247db6b1 so far so good ...
ca
parents: 60
diff changeset
  1121
    "inspect selection
85ef247db6b1 so far so good ...
ca
parents: 60
diff changeset
  1122
    "
60
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
  1123
    self singleSelectionDo:[:aView |
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
  1124
        aView inspect
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
  1125
    ]
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
  1126
!
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
  1127
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
  1128
numberOfSelections
61
85ef247db6b1 so far so good ...
ca
parents: 60
diff changeset
  1129
    "return the number of selected entries
85ef247db6b1 so far so good ...
ca
parents: 60
diff changeset
  1130
    "
60
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
  1131
    |sz|
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
  1132
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
  1133
    selection isNil ifTrue:[^ 0].
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
  1134
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
  1135
    selection isCollection ifTrue:[^ selection size]
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
  1136
                          ifFalse:[^ 1 ]
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
  1137
!
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
  1138
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
  1139
removeFromSelection:something
61
85ef247db6b1 so far so good ...
ca
parents: 60
diff changeset
  1140
    "remove something from selection
85ef247db6b1 so far so good ...
ca
parents: 60
diff changeset
  1141
    "
60
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
  1142
    super removeFromSelection:something.
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
  1143
    self changed:#selection
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
  1144
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
  1145
!
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
  1146
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
  1147
select:something
61
85ef247db6b1 so far so good ...
ca
parents: 60
diff changeset
  1148
    "change selection to something
85ef247db6b1 so far so good ...
ca
parents: 60
diff changeset
  1149
    "
60
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
  1150
    (self canSelect:something) ifTrue:[
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
  1151
        super select:something.
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
  1152
        self changed:#selection
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
  1153
    ]
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
  1154
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
  1155
!
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
  1156
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
  1157
selection
61
85ef247db6b1 so far so good ...
ca
parents: 60
diff changeset
  1158
    "returns selection
85ef247db6b1 so far so good ...
ca
parents: 60
diff changeset
  1159
    "
60
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
  1160
    ^ selection
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
  1161
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
  1162
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
  1163
!
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
  1164
61
85ef247db6b1 so far so good ...
ca
parents: 60
diff changeset
  1165
showSelection
85ef247db6b1 so far so good ...
ca
parents: 60
diff changeset
  1166
    selectionHiddenLevel == 0 ifTrue:[
85ef247db6b1 so far so good ...
ca
parents: 60
diff changeset
  1167
        super showSelection.
60
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
  1168
    ].
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
  1169
!
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
  1170
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
  1171
singleSelection
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
  1172
    "returns single selection or nil
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
  1173
    "
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
  1174
    selection isCollection ifFalse:[
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
  1175
        ^ selection
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
  1176
    ].
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
  1177
    selection size == 1 ifTrue:[ ^ selection at:1]
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
  1178
                       ifFalse:[ ^ nil].
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
  1179
!
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
  1180
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
  1181
singleSelectionDo:aBlock
61
85ef247db6b1 so far so good ...
ca
parents: 60
diff changeset
  1182
    "perform block with argument a view in case of one selection
85ef247db6b1 so far so good ...
ca
parents: 60
diff changeset
  1183
    "
60
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
  1184
    |view|
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
  1185
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
  1186
    (view := self singleSelection) notNil ifTrue:[
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
  1187
        aBlock value:view
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
  1188
    ]
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
  1189
!
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
  1190
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
  1191
unselect
61
85ef247db6b1 so far so good ...
ca
parents: 60
diff changeset
  1192
    "clear selection
85ef247db6b1 so far so good ...
ca
parents: 60
diff changeset
  1193
    "
60
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
  1194
    selection notNil ifTrue:[
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
  1195
        super unselect.
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
  1196
        self changed:#selection
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
  1197
    ]
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
  1198
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
  1199
!
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
  1200
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
  1201
withSelectionHiddenDo:aBlock
61
85ef247db6b1 so far so good ...
ca
parents: 60
diff changeset
  1202
    "apply block with selection hidden (no handles)
85ef247db6b1 so far so good ...
ca
parents: 60
diff changeset
  1203
    "
85ef247db6b1 so far so good ...
ca
parents: 60
diff changeset
  1204
    selectionHiddenLevel := selectionHiddenLevel + 1.
85ef247db6b1 so far so good ...
ca
parents: 60
diff changeset
  1205
85ef247db6b1 so far so good ...
ca
parents: 60
diff changeset
  1206
    selectionHiddenLevel == 1 ifTrue:[
85ef247db6b1 so far so good ...
ca
parents: 60
diff changeset
  1207
        self selectionDo:[:aView| self showUnselected:aView].
85ef247db6b1 so far so good ...
ca
parents: 60
diff changeset
  1208
        device flush.
85ef247db6b1 so far so good ...
ca
parents: 60
diff changeset
  1209
    ].
85ef247db6b1 so far so good ...
ca
parents: 60
diff changeset
  1210
85ef247db6b1 so far so good ...
ca
parents: 60
diff changeset
  1211
    aBlock valueNowOrOnUnwindDo:[
85ef247db6b1 so far so good ...
ca
parents: 60
diff changeset
  1212
        selectionHiddenLevel == 1 ifTrue:[
85ef247db6b1 so far so good ...
ca
parents: 60
diff changeset
  1213
            setOfSuperViewsSizeChanged notEmpty ifTrue:[
85ef247db6b1 so far so good ...
ca
parents: 60
diff changeset
  1214
                setOfSuperViewsSizeChanged do:[:aSuperView|
85ef247db6b1 so far so good ...
ca
parents: 60
diff changeset
  1215
                    aSuperView sizeChanged:nil
85ef247db6b1 so far so good ...
ca
parents: 60
diff changeset
  1216
                ].
85ef247db6b1 so far so good ...
ca
parents: 60
diff changeset
  1217
                setOfSuperViewsSizeChanged := IdentitySet new
85ef247db6b1 so far so good ...
ca
parents: 60
diff changeset
  1218
            ].
85ef247db6b1 so far so good ...
ca
parents: 60
diff changeset
  1219
            self selectionDo:[:aView| self showSelected:aView].
85ef247db6b1 so far so good ...
ca
parents: 60
diff changeset
  1220
        ].
85ef247db6b1 so far so good ...
ca
parents: 60
diff changeset
  1221
        selectionHiddenLevel := selectionHiddenLevel - 1.
85ef247db6b1 so far so good ...
ca
parents: 60
diff changeset
  1222
    ]
85ef247db6b1 so far so good ...
ca
parents: 60
diff changeset
  1223
85ef247db6b1 so far so good ...
ca
parents: 60
diff changeset
  1224
!
85ef247db6b1 so far so good ...
ca
parents: 60
diff changeset
  1225
85ef247db6b1 so far so good ...
ca
parents: 60
diff changeset
  1226
withoutSelectionDo:aBlock
85ef247db6b1 so far so good ...
ca
parents: 60
diff changeset
  1227
    "evaluate aBlock while selection is nilled
85ef247db6b1 so far so good ...
ca
parents: 60
diff changeset
  1228
    "
60
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
  1229
    |sel|
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
  1230
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
  1231
    selection isNil ifTrue:[
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
  1232
        aBlock value
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
  1233
    ] ifFalse:[
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
  1234
        sel := selection.
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
  1235
        super unselect.
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
  1236
        aBlock value.
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
  1237
        super select:sel
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
  1238
    ]
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
  1239
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
  1240
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
  1241
! !
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
  1242
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
  1243
!UIObjectView methodsFor:'testing'!
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
  1244
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
  1245
canMove:something
61
85ef247db6b1 so far so good ...
ca
parents: 60
diff changeset
  1246
    "returns always true; all contained views can be moved
85ef247db6b1 so far so good ...
ca
parents: 60
diff changeset
  1247
    "
85ef247db6b1 so far so good ...
ca
parents: 60
diff changeset
  1248
    |sv|
85ef247db6b1 so far so good ...
ca
parents: 60
diff changeset
  1249
85ef247db6b1 so far so good ...
ca
parents: 60
diff changeset
  1250
    something notNil ifTrue:[
85ef247db6b1 so far so good ...
ca
parents: 60
diff changeset
  1251
        self forEach:something do:[:v|
85ef247db6b1 so far so good ...
ca
parents: 60
diff changeset
  1252
            sv ~~ v superView ifTrue:[
85ef247db6b1 so far so good ...
ca
parents: 60
diff changeset
  1253
                (sv notNil or:[v superView specClass isLayoutContainer]) ifTrue:[
85ef247db6b1 so far so good ...
ca
parents: 60
diff changeset
  1254
                    ^ false
85ef247db6b1 so far so good ...
ca
parents: 60
diff changeset
  1255
                ].
85ef247db6b1 so far so good ...
ca
parents: 60
diff changeset
  1256
                sv := v superView
85ef247db6b1 so far so good ...
ca
parents: 60
diff changeset
  1257
            ]
85ef247db6b1 so far so good ...
ca
parents: 60
diff changeset
  1258
        ].
85ef247db6b1 so far so good ...
ca
parents: 60
diff changeset
  1259
        ^ true
85ef247db6b1 so far so good ...
ca
parents: 60
diff changeset
  1260
    ].
85ef247db6b1 so far so good ...
ca
parents: 60
diff changeset
  1261
    ^ false
60
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
  1262
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
  1263
!
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
  1264
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
  1265
canPaste:something
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
  1266
    "returns true if something could be paste
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
  1267
    "
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
  1268
    something notNil ifTrue:[
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
  1269
        something isCollection ifTrue:[
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
  1270
            something notEmpty ifTrue:[
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
  1271
                ^ (something at:1) isKindOf:UISpecification
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
  1272
            ]
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
  1273
        ] ifFalse:[
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
  1274
            ^ something isKindOf:UISpecification
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
  1275
        ]
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
  1276
    ].
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
  1277
    ^ false
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
  1278
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
  1279
!
7542ab7fbbfe *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 59
diff changeset
  1280
61
85ef247db6b1 so far so good ...
ca
parents: 60
diff changeset
  1281
canPasteInto:something
85ef247db6b1 so far so good ...
ca
parents: 60
diff changeset
  1282
    "can paste into something ?
85ef247db6b1 so far so good ...
ca
parents: 60
diff changeset
  1283
    "
85ef247db6b1 so far so good ...
ca
parents: 60
diff changeset
  1284
    something notNil ifTrue:[
85ef247db6b1 so far so good ...
ca
parents: 60
diff changeset
  1285
        something isCollection ifFalse:[
85ef247db6b1 so far so good ...
ca
parents: 60
diff changeset
  1286
            ^ something specClass supportsSubComponents
85ef247db6b1 so far so good ...
ca
parents: 60
diff changeset
  1287
        ].
85ef247db6b1 so far so good ...
ca
parents: 60
diff changeset
  1288<