--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/uifw/uiklaf/src/LAFSCRLB.CPP	Tue Feb 02 01:00:49 2010 +0200
@@ -0,0 +1,344 @@
+/*
+* Copyright (c) 1997-1999 Nokia Corporation and/or its subsidiary(-ies).
+* All rights reserved.
+* This component and the accompanying materials are made available
+* under the terms of "Eclipse Public License v1.0"
+* which accompanies this distribution, and is available
+* at the URL "http://www.eclipse.org/legal/epl-v10.html".
+*
+* Initial Contributors:
+* Nokia Corporation - initial contribution.
+*
+* Contributors:
+*
+* Description:
+*
+*/
+
+
+
+#include <gulbordr.h>
+#include <gulcolor.h>
+#include <gulutil.h>
+#include <coecntrl.h>
+
+#include "LAFSCRLB.H"
+#include "LAFSTD.H"
+#include "lafmain.h"
+#include "lafcommn.h"
+
+//
+// Class LafScrollBar
+//
+
+const TInt KLafScrollBarMinThumbLength=16;
+const TInt KLafScrollBarBorderWidth=1;
+const TInt KLafScrollBarDefaultBreadth = 23;
+	
+EXPORT_C TInt LafScrollBar::Constant(TConstantType aConstant)
+	{
+	TInt retVal=0;
+	switch(aConstant)
+		{
+	case EMinimumThumbLen:
+		retVal=KLafScrollBarMinThumbLength;
+		break;
+	case EDefaultFlags:
+		retVal=0;
+		break;
+	case EDefaultBreadth:
+		retVal=KLafScrollBarDefaultBreadth;
+		break;
+	case EBorderWidth:
+		retVal=KLafScrollBarBorderWidth;
+		break;
+	case EDefaultButtonPositionFlags:
+		retVal=SLafScrollBar::EButtonsAtEndOfShaft;
+		break;
+	default:
+		__ASSERT_DEBUG(EFalse,Panic(ELafPanicConstantNotKnown));
+		break;
+		}
+	return retVal;
+	}
+
+/**
+ * Gets the default border for the matched control in aBorder. Called from the constructor of the matched control.
+ */
+EXPORT_C void LafScrollBar::GetDefaultBorder(TGulBorder& aBorder)
+	{
+	aBorder=TGulBorder(TGulBorder::ESingleBlack);
+	}
+
+/**
+ * Gets the set of border colors for the matched control in aBorderColors. The RGB values of the colors obtained
+ * may depend on the the display mode, the environment color list and the instance of the
+ * matched control aMatchedControl. Called by the matched control from its Draw() method and passed on to the
+ * Draw() method of TGulBorder. 
+ */
+EXPORT_C void LafScrollBar::GetBorderColors(TGulBorder::TColors& aBorderColors, const MLafEnv& aLafEnv, const CCoeControl& aMatchedControl)
+	{
+	LafCommonUtils::GetRgbDerivedBorderColors( aBorderColors,
+			EColorScrollBarShaft, aLafEnv,aMatchedControl );
+	}
+
+EXPORT_C void LafScrollBar::DrawHighlightedShaftArea(const MLafEnv& aLafEnv, const CCoeControl& aScrollBar, CWindowGc& aGc, TRect& aArea, TBool aIsHighlighted,
+													 TInt /*aThumbPos*/, TInt /*aThumbLength*/, TBool /*aHorizontal*/)
+	{//static
+	TRgb color= aLafEnv.ControlColor((aIsHighlighted? EColorScrollBarShaftPressed : EColorScrollBarShaft), aScrollBar);
+	aGc.SetBrushColor(color);
+	aGc.Clear(aArea);
+	}
+
+/**
+* Draws the shaft only for scrollbars with 'no thumb' or 'no thumb and no shaft'.
+*/
+EXPORT_C void LafScrollBar::DrawShaft(const MLafEnv& aLafEnv,const CCoeControl& aScrollBar,CWindowGc& aGc,const TRect& aRect,TInt aScrollBarDisplayFlags,TBool /*aHorizontal*/)
+	{
+	if (aScrollBarDisplayFlags&SLafScrollBar::EEikScrollBarNoShaftOrThumb)
+		{
+		aGc.SetBrushColor(aLafEnv.ControlColor(EColorScrollBarNoShaftOrThumb, aScrollBar)); //KEikScrollBarNoShaftOrThumbColor);
+		aGc.Clear(aRect);
+		}
+	else if (aScrollBarDisplayFlags&SLafScrollBar::EEikScrollBarShaftButNoThumb)
+		{
+		const TRgb shaftColor= aLafEnv.ControlColor((aScrollBar.IsDimmed()? EColorScrollBarShaftDimmed : EColorScrollBarShaft),aScrollBar);
+		aGc.SetBrushColor(shaftColor);
+		aGc.Clear(aRect);
+		}
+	}
+
+
+/**
+* Draws the piece of shaft before and after the thumb the first time that the scrollbar is drawn. 
+* The function RedrawShaft() draws the shaft subsequently.
+*
+*/
+EXPORT_C void LafScrollBar::DrawShaftAroundThumb(const MLafEnv& aLafEnv,const CCoeControl& aScrollBar,CWindowGc& aGc,const TRect& aShaftRect,TBool aHorizontal,TInt aThumbPos,TInt aThumbLength)
+	{
+	const TRgb shaftColor= aLafEnv.ControlColor((aScrollBar.IsDimmed()? EColorScrollBarShaftDimmed : EColorScrollBarShaft),aScrollBar);
+	// draw shaft before thumb
+	TRect rect=aShaftRect;
+	TInt& endOfShaftBeforeThumb=(aHorizontal)? rect.iBr.iX : rect.iBr.iY;
+	endOfShaftBeforeThumb=aThumbPos;
+	aGc.SetBrushColor(shaftColor);
+	aGc.Clear(rect);
+	// draw shaft after thumb
+	rect=aShaftRect;
+	TInt& startOfShaftAfterThumb=(aHorizontal)? rect.iTl.iX : rect.iTl.iY;
+	startOfShaftAfterThumb=aThumbPos+aThumbLength;
+	aGc.SetBrushColor(shaftColor);
+	aGc.Clear(rect);
+	}
+
+/**
+ * This function redraws the piece of the shaft which was previously 
+ * covered by the thumb before a thumb drag event has taken place. The
+ * rectangle aRect contains the region to be redrawn. The integer
+ * aShaftStart is where the first part of the shaft meets the thumb, 
+ * and aShaftEnd, the points where the second part of the shaft meets the thumb.
+ */
+EXPORT_C void LafScrollBar::RedrawShaft(const MLafEnv& aLafEnv,const CCoeControl& aScrollBar,CWindowGc& aGc, const TRect& aRect,TInt aShaftStart,TInt aShaftEnd,TBool aHorizontal)
+	{
+	TRect rect=aRect;
+	TRgb shaftColor=aLafEnv.ControlColor((aScrollBar.IsDimmed()? EColorScrollBarShaftDimmed : EColorScrollBarShaft),aScrollBar);
+	aGc.SetPenColor(aLafEnv.ControlColor(EColorScrollBarBorder,aScrollBar));
+	// first check endpoints
+	if(!IsBorderOutsideButtons())
+		{
+		if (aHorizontal)
+			{
+			if (rect.iTl.iX==aShaftStart)
+				{
+				aGc.DrawLine(rect.iTl, TPoint(rect.iTl.iX, rect.iBr.iY));
+				rect.iTl.iX++;
+				}
+			if (rect.iBr.iX==aShaftEnd)
+				{
+				aGc.DrawLine(TPoint(rect.iBr.iX-1, rect.iTl.iY), TPoint(rect.iBr.iX-1, rect.iBr.iY));
+				rect.iBr.iX--;
+				}
+			}
+		else
+			{
+			if (rect.iTl.iY==aShaftStart)
+				{
+				aGc.DrawLine(rect.iTl, TPoint(rect.iBr.iX, rect.iTl.iY));
+				rect.iTl.iY++;
+				}
+			if (rect.iBr.iY==aShaftEnd)
+				{
+				aGc.DrawLine(TPoint(rect.iTl.iX, rect.iBr.iY-1), TPoint(rect.iBr.iX, rect.iBr.iY-1));
+				rect.iBr.iY--;
+				}
+			}
+		}
+	aGc.SetBrushColor(shaftColor);
+	aGc.SetBrushStyle(CGraphicsContext::ESolidBrush);
+	aGc.Clear(rect);
+	}
+
+EXPORT_C TInt LafScrollBar::CalcThumbPosInScrollBar(TInt aShaftStart, TInt aShaftEnd,
+		TInt aThumbLength,TInt aModelThumbPos,TInt aModelScrollSpan,TInt aModelThumbSpan )
+	{
+	TInt ret=aShaftStart;
+	const TInt scrollRange=aModelScrollSpan-aModelThumbSpan;
+	if (scrollRange<=0)
+		return ret;
+	const TInt maxRet=aShaftEnd-aThumbLength;
+	if (scrollRange>0)
+		ret+=aModelThumbPos*(maxRet-aShaftStart)/scrollRange;
+	if (ret>maxRet)
+		ret=maxRet;
+	return ret;
+	}
+
+EXPORT_C TInt LafScrollBar::CalcThumbPosInScrollBarModel(TInt aShaftStart, TInt aShaftEnd,
+		TInt aThumbLength,TInt aThumbPos,TInt aModelScrollSpan,TInt aModelThumbSpan )
+	{
+	TInt ret=0;
+	const TInt scrollRange=aShaftEnd-aShaftStart-aThumbLength;
+	if (scrollRange<=0)
+		return ret;
+	TInt maxRet=aModelScrollSpan-aModelThumbSpan;
+	ret=(((aThumbPos-aShaftStart)<<1)*maxRet+scrollRange)/(scrollRange<<1);
+	if (ret>maxRet)
+		ret=maxRet;
+	return ret;
+	}
+
+EXPORT_C void LafScrollBar::GetColorUseListL(CArrayFix<TCoeColorUse>& aColorUseList)
+	{ // static
+	TInt commonAttributes = TCoeColorUse::ESurrounds|TCoeColorUse::ENormal|TCoeColorUse::ENeutral;
+	TCoeColorUse colorUse;
+
+	colorUse.SetLogicalColor(EColorScrollBarBorder);
+	colorUse.SetUse(TCoeColorUse::EFore|TCoeColorUse::EActive|commonAttributes);
+	aColorUseList.AppendL(colorUse);
+
+	colorUse.SetLogicalColor(EColorScrollBarShaft);
+	colorUse.SetUse(TCoeColorUse::EBack|TCoeColorUse::EActive|commonAttributes);
+	aColorUseList.AppendL(colorUse);
+
+	colorUse.SetLogicalColor(EColorScrollBarShaftDimmed);
+	colorUse.SetUse(TCoeColorUse::EBack|TCoeColorUse::EDimmed|commonAttributes);
+	aColorUseList.AppendL(colorUse);
+
+	colorUse.SetLogicalColor(EColorScrollBarShaftPressed);
+	colorUse.SetUse(TCoeColorUse::EBack|TCoeColorUse::EPressed|commonAttributes);
+	aColorUseList.AppendL(colorUse);
+
+	colorUse.SetLogicalColor(EColorScrollBarNoShaftOrThumb);
+	colorUse.SetUse(TCoeColorUse::EBack|TCoeColorUse::EActive|commonAttributes);
+	aColorUseList.AppendL(colorUse);
+
+	colorUse.SetLogicalColor(EColorScrollButtonIcon);
+	colorUse.SetUse(TCoeColorUse::EFore|TCoeColorUse::EActive|commonAttributes);
+	aColorUseList.AppendL(colorUse);
+
+	colorUse.SetLogicalColor(EColorScrollButtonIconPressed);
+	colorUse.SetUse(TCoeColorUse::EFore|TCoeColorUse::EPressed|commonAttributes);
+	aColorUseList.AppendL(colorUse);
+
+	colorUse.SetLogicalColor(EColorScrollButtonIconDimmed);
+	colorUse.SetUse(TCoeColorUse::EFore|TCoeColorUse::EActive|commonAttributes);
+	aColorUseList.AppendL(colorUse);
+
+	colorUse.SetLogicalColor(EColorScrollThumbDimmed);
+	colorUse.SetUse(TCoeColorUse::EBack|TCoeColorUse::EDimmed|commonAttributes);
+	aColorUseList.AppendL(colorUse);
+
+	colorUse.SetLogicalColor(EColorScrollButtonThumbBackground);
+	colorUse.SetUse(TCoeColorUse::EBack|TCoeColorUse::EActive|commonAttributes);
+	aColorUseList.AppendL(colorUse);
+
+	colorUse.SetLogicalColor(EColorScrollButtonThumbBackgroundPressed);
+	colorUse.SetUse(TCoeColorUse::EBack|TCoeColorUse::EPressed|commonAttributes);
+	aColorUseList.AppendL(colorUse);
+	}
+
+/**
+ * Returns ETrue if the current position is not within the drag range from the scrollbar
+ *
+ * @since App-Framework_6.1
+ */
+EXPORT_C TBool LafScrollBar::IsPointerOutOfDragRange(const TPoint& /*aPointerPosition*/,const TRect& /*aScrollBarRect*/,TBool /*aHorizontal*/)
+	{
+	return EFalse;
+	}
+
+/**
+ * Returns ETrue if the border of the scroll bar goes around the outside of the scroll
+ * buttons.  Returns EFalse if the border is inside the scroll buttons
+ * (ie. only surrounding the scroll bar shaft)
+ *
+ * @since App-Framework_6.1
+ */
+EXPORT_C TBool LafScrollBar::IsBorderOutsideButtons()
+	{
+	return EFalse;
+	}
+
+EXPORT_C TInt LafScrollBar::CalculateThumbLength(TInt aShaftLength,TInt aModelScrollSpan,
+		TInt aModelThumbSpan)
+	{
+	TInt thumbLength=aShaftLength;
+	const TInt scrollRange=aModelScrollSpan-aModelThumbSpan;
+	if (scrollRange>0 && aModelScrollSpan)
+		{
+		thumbLength*=aModelThumbSpan;
+		thumbLength/=aModelScrollSpan;
+		}
+	if (thumbLength<KLafScrollBarMinThumbLength)
+		thumbLength=KLafScrollBarMinThumbLength;
+	return thumbLength;
+	}
+
+/**
+ * Method which modifies the size (aSize) and position (aPosition) of a scroll button
+ * (of aButtonType) in the case where the border of the scroll bar draws into area which
+ * used to belong to the buttons.  Other required parameters are aScrollBarFlags, aHorizontal
+ * and aMargins which are all obvious properties of the matched class.
+ *
+ * @since App-Framework_6.1
+ */
+EXPORT_C void LafScrollBar::AdjustButtonExtentForScrollBarBorder(TPoint& /*aPosition*/,TSize& /*aSize*/,TInt /*aButtonType*/,TInt /*aScrollBarFlags*/, TBool /*aHorizontal*/, const TMargins& /*aMargins*/)
+	{
+	}
+
+/**
+ * Method which modifies the shaft start (aShaftStart) and shaft end (aShaftEnd) parameters
+ * of a scroll button (of aButtonType) in the case were the border of the scroll bar draws
+ * into area which used to belong to the buttons. Other required parameters are aScrollBarFlags, aHorizontal
+ * and aMargins which are all obvious properties of the matched class.
+ *
+ * @since App-Framework_6.1
+ */
+EXPORT_C void LafScrollBar::AdjustShaftRangeForScrollBarBorder(TInt& /*aShaftStart*/,TInt& /*aShaftEnd*/,TBool /*aHorizontal*/,TInt /*aScrollBarFlags*/,const TMargins& /*aMargins*/)
+	{
+	}
+
+//
+// Class LafArrowHeadScrollBar
+//
+
+/**
+ * Gets the default border for the matched control in aBorder. Called from the constructor of the matched control.
+ */
+EXPORT_C void LafArrowHeadScrollBar::GetDefaultBorder(TGulBorder& aBorder)
+	{
+	aBorder=TGulBorder(TGulBorder::ENone);
+	}
+
+/**
+ * Gets the set of border colors for the matched control in aBorderColors. The RGB values of the colors obtained
+ * may depend on the the display mode, the environment color list and the instance of the
+ * matched control aMatchedControl. Called by the matched control from its Draw() method and passed on to the
+ * Draw() method of TGulBorder. 
+ */
+EXPORT_C void LafArrowHeadScrollBar::GetBorderColors(TGulBorder::TColors& aBorderColors, const MLafEnv& aLafEnv, const CCoeControl& aMatchedControl)
+	{
+	LafCommonUtils::GetRgbDerivedBorderColors( aBorderColors,
+			EColorScrollBarShaft, aLafEnv,aMatchedControl );
+	}
+