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"
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COPYRIGHT (c) 1994 by Claus Gittinger
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All Rights Reserved
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This software is furnished under a license and may be used
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only in accordance with the terms of that license and with the
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inclusion of the above copyright notice. This software may not
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be provided or otherwise made available to, or used by, any
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other person. No title to or ownership of the software is
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hereby transferred.
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"
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Ruler subclass:#VerticalRuler
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instanceVariableNames:''
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classVariableNames:''
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poolDictionaries:''
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category:'Views-Misc'
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!
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!VerticalRuler class methodsFor:'documentation'!
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copyright
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"
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COPYRIGHT (c) 1994 by Claus Gittinger
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All Rights Reserved
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This software is furnished under a license and may be used
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only in accordance with the terms of that license and with the
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inclusion of the above copyright notice. This software may not
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be provided or otherwise made available to, or used by, any
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other person. No title to or ownership of the software is
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hereby transferred.
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"
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!
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documentation
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"
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like a Ruler, but vertical.
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see documentation in Ruler
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"
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! !
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!VerticalRuler methodsFor:'accessing'!
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paperHeightInch:inches
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"set the width of the document"
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paperHeight := inches.
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shown ifTrue:[
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self redraw
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]
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!
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paperHeightMM:millis
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"set the width of the document"
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paperHeight := self millimeterToInch:millis.
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shown ifTrue:[
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self redraw
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]
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! !
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!VerticalRuler methodsFor:'initialization'!
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initialize
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super initialize.
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self width:(font widthOf:'inch').
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"
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VerticalRuler new open
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"
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! !
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!VerticalRuler methodsFor:'redrawing'!
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redraw
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"redraw the scale"
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|y pixelPerMM pixelPerInch mod pos shortLen veryShortLen longLen charX
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left paperHeightMM paperHeightPixel yOrigin labelBot marg fontHeight|
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shown ifFalse:[^ self].
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self clear.
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yOrigin := self viewOrigin y.
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paperHeightPixel := ((self inchToPixel:paperHeight) * scale) rounded.
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(yOrigin + height > paperHeightPixel) ifTrue:[
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self paint:(Color darkGrey).
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self fillRectangleX:0 y:paperHeightPixel
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width:width
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height:(yOrigin + height - paperHeightPixel).
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self paint:fgColor.
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self displayLineFromX:0 y:paperHeightPixel
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toX:width y:paperHeightPixel
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].
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self paint:fgColor.
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left := 0. "width - (font widthOf:'WW')"
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longLen := font widthOf:'WW'.
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shortLen := longLen // 2.
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charX := left + shortLen.
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mod := 1.
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marg := 3. "character shift"
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fontHeight := font height.
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showUnit ifTrue:[
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labelBot := marg + font height + font ascent + yOrigin.
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] ifFalse:[
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labelBot := yOrigin
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].
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(metric == #mm) ifTrue:[
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"centimeter - long blibs every centimeter; short ones every half"
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paperHeightMM := self inchToMillimeter:paperHeight.
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pixelPerMM := (self millimeterToPixel:1) * scale.
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pos := 5.
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y := (pixelPerMM * pos) rounded.
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[(y < (height+yOrigin)) and:[pos <= paperHeightMM]] whileTrue:[
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|l|
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l := shortLen.
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(mod ~~ 1) ifTrue:[
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y < labelBot ifFalse:[
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l := longLen
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]
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].
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self displayLineFromX:left y:y toX:(left + l) y:y.
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(mod ~~ 1 and:[y >= labelBot]) ifTrue:[
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self displayString:(pos // 10) printString
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x:charX
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y:(y + marg + fontHeight)
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].
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mod := (mod + 1) \\ 2.
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pos := pos + 5.
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y := (pixelPerMM * pos) rounded
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].
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showUnit ifTrue:[
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self displayString:'cm ' x:charX y:marg + fontHeight + yOrigin.
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]
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].
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(metric == #inch) ifTrue:[
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"inches - long blibs every inch; short ones every half; very
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short ones every quarter"
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pixelPerInch := (self inchToPixel:1) * scale.
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pos := 0.25.
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y := (pixelPerInch * pos) rounded.
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veryShortLen := longLen // 4.
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[(y < (yOrigin + height)) and:[pos <= paperHeight]] whileTrue:[
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|l|
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l := shortLen.
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(mod == 0) ifTrue:[
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y < labelBot ifFalse:[
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l := longLen.
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]
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] ifFalse:[
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(mod == 2) ifFalse:[
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l := veryShortLen
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]
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].
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self displayLineFromX:left y:y toX:(left + l) y:y.
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(mod == 0) ifTrue:[
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y < labelBot ifFalse:[
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self displayString:pos asInteger printString
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x:charX
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y:(y + marg + fontHeight)
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]
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].
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mod := (mod + 1) \\ 4.
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pos := pos + 0.25.
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y := (pixelPerInch * pos) rounded
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].
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showUnit ifTrue:[
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self displayString:'inch ' x:charX y:marg + fontHeight + yOrigin.
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]
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].
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self redrawEdges
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! !
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!VerticalRuler class methodsFor:'documentation'!
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27
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version
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^ '$Header: /cvs/stx/stx/libwidg2/VerticalRuler.st,v 1.7 1996-04-27 18:22:04 cg Exp $'
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! !
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