/*

* Copyright (c) 2009 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:  Implementation of LAF manager.

*

*/

// INCLUDES

#include <aknlayoutscalable_avkon.cdl.h>

#include <aknlayoutscalable_apps.cdl.h>

#include <aknutils.h>

#include "peninputfingerhwrarlafmanager.h"

#include "peninputfingerhwrarcontrolid.h"

#define LAF_MODIFY 1

#define HackerVersion 

// ---------------------------------------------------------------------------

// Symbian Constructor

// ---------------------------------------------------------------------------

//

CPeninputFingerHwrArLafManager* CPeninputFingerHwrArLafManager::NewL()

    {

    CPeninputFingerHwrArLafManager* self = CPeninputFingerHwrArLafManager::NewLC();

    CleanupStack::Pop(); // self;

    return self;   

    }

// ---------------------------------------------------------------------------

// Symbian Constructor

// ---------------------------------------------------------------------------

//

CPeninputFingerHwrArLafManager* CPeninputFingerHwrArLafManager::NewLC()

    {

    CPeninputFingerHwrArLafManager* self = new( ELeave ) CPeninputFingerHwrArLafManager();

    CleanupStack::PushL( self );

    self->ConstructL();

    return self;

    }

// ---------------------------------------------------------------------------

// c++ destructor

// ---------------------------------------------------------------------------

//

CPeninputFingerHwrArLafManager::~CPeninputFingerHwrArLafManager()

    {

    //nothing

    iSCTrectArray.Reset();

    iSCTrectArray.Close();

    }

// ---------------------------------------------------------------------------

// read laf data.

// ---------------------------------------------------------------------------

//

void CPeninputFingerHwrArLafManager::ReadLafInfo()

    {

    // Screen

    TRect rect;

    AknLayoutUtils::LayoutMetricsRect(AknLayoutUtils::EScreen, rect);

    iScreenSize = rect.Size();

    iIsLandscape = iScreenSize.iWidth < iScreenSize.iHeight ? EFalse : ETrue;

    AknLayoutUtils::LayoutMetricsRect(AknLayoutUtils::EApplicationWindow, rect);

    // finger Layout

    TAknWindowLineLayout fshwrlayout;

    TAknLayoutRect fshwrRect;

    fshwrlayout = AknLayoutScalable_Avkon::main_fep_fshwr2_pane(0).LayoutLine();

    fshwrRect.LayoutRect(rect, fshwrlayout);

    iLayoutRect = fshwrRect.Rect();

    iLayoutOffset = iLayoutRect.iTl;

    // ICF & Keypad

    TAknWindowLineLayout icflayoutcn,icflayoutbgcn;

    TAknTextLineLayout icflefttext;    

    TAknTextLineLayout icflefttext1, icflefttext2, icflefttext3; 

    TAknLayoutRect icfrectlatin, icfrectcn;

    if (iIsLandscape)

        {

        icflayoutcn = AknLayoutScalable_Avkon::fshwr2_icf_pane(1).LayoutLine();

        }

    else

        {

        icflayoutcn = AknLayoutScalable_Avkon::fshwr2_icf_pane(0).LayoutLine();

        }

    icfrectcn.LayoutRect(fshwrRect.Rect(), icflayoutcn);

    TAknLayoutScalableParameterLimits entryPaneVariety = 

                AknLayoutScalable_Avkon::fshwr2_icf_pane_t1_ParamLimits(0);

    TInt maxRow = entryPaneVariety.LastRow();

    icflefttext = AknLayoutScalable_Avkon::fshwr2_icf_pane_t1(0, 0, 0).LayoutLine();

    icflefttext1 = AknLayoutScalable_Avkon::fshwr2_icf_pane_t1(0, 0, 1).LayoutLine();

    icflefttext2 = AknLayoutScalable_Avkon::fshwr2_icf_pane_t1(0, 0, 2).LayoutLine();

    icflefttext3 = AknLayoutScalable_Avkon::fshwr2_icf_pane_t1(0, 0, maxRow).LayoutLine();

    iIcfTextLeftMarginCn = icflefttext.il;

    iIcfTextRightMarginCn = iIcfTextLeftMarginCn;

    TAknLayoutText ctxt, ctxt1, ctxt2, ctxt3;

    ctxt.LayoutText( icfrectcn.Rect(), icflefttext );

    ctxt1.LayoutText( icfrectcn.Rect(), icflefttext1 );

    ctxt2.LayoutText( icfrectcn.Rect(), icflefttext2 );

    ctxt3.LayoutText( icfrectcn.Rect(), icflefttext3 );

    iIcfTextTopMarginCn = ctxt.TextRect().iTl.iY - icfrectcn.Rect().iTl.iY;

    iIcfTextLineSpaceMarginCn = ctxt1.TextRect().iTl.iY - ctxt.TextRect().iBr.iY;

    iIcfTextBottomMarginCn = icfrectcn.Rect().iBr.iY - ctxt3.TextRect().iBr.iY 

                                                     - iIcfTextLineSpaceMarginCn;

    iIcfTextHeightCn = ctxt.TextRect().Height();    

    iIcfFont = const_cast<CFont*>(AknLayoutUtils::FontFromId(icflefttext.iFont, NULL));

    iRectIcf = icfrectcn.Rect();

	// candidate list

    TAknWindowLineLayout candrowpane, candrowpane2, candlistpane, cellpane, candbgpane;

    TAknLayoutRect candpaneRect, candrowpaneRect, candrowpaneRect2, cellpaneRect1, cellpaneRect2;

    TAknLayoutRect cellpaneRect3, cellpaneRect;

    if (iIsLandscape)

        {

		candlistpane = AknLayoutScalable_Avkon::fshwr2_func_candi_pane(1).

										LayoutLine();        

        }

    else

        {

       	candlistpane = AknLayoutScalable_Avkon::fshwr2_func_candi_pane(0).

										LayoutLine();

        }

    candpaneRect.LayoutRect( fshwrRect.Rect(), candlistpane );

    rect = candpaneRect.Rect();

    candrowpane = AknLayoutScalable_Avkon::fshwr2_func_candi_row_pane(0, 0, 1).

										LayoutLine();

    candrowpaneRect.LayoutRect( rect, candrowpane );

    candrowpane2 = AknLayoutScalable_Avkon::fshwr2_func_candi_row_pane(0, 0, 2).

										LayoutLine();

    candrowpaneRect2.LayoutRect( rect, candrowpane2 );

    cellpane = AknLayoutScalable_Avkon::fshwr2_func_candi_cell_pane( 3 , 0 , 0 ).

										LayoutLine();

    cellpaneRect.LayoutRect( candrowpaneRect.Rect(), cellpane );

    candbgpane = AknLayoutScalable_Avkon::fshwr2_func_candi_cell_bg_pane(3).LayoutLine();

    cellpaneRect1.LayoutRect( cellpaneRect.Rect(), candbgpane );   

    cellpane = AknLayoutScalable_Avkon::fshwr2_func_candi_cell_pane( 3 , 1 , 0 ).

										LayoutLine();

    cellpaneRect.LayoutRect( candrowpaneRect.Rect(), cellpane );

    candbgpane = AknLayoutScalable_Avkon::fshwr2_func_candi_cell_bg_pane(3).LayoutLine();

    cellpaneRect2.LayoutRect( cellpaneRect.Rect(), candbgpane );   

    cellpane = AknLayoutScalable_Avkon::fshwr2_func_candi_cell_pane( 3 , 0 , 1 ).

										LayoutLine();

    cellpaneRect.LayoutRect( candrowpaneRect2.Rect(), cellpane );

    candbgpane = AknLayoutScalable_Avkon::fshwr2_func_candi_cell_bg_pane(3).LayoutLine();

    cellpaneRect3.LayoutRect( cellpaneRect.Rect(), candbgpane );   

    iCandsHorizontalMargin = cellpaneRect2.Rect().iTl.iX - cellpaneRect1.Rect().iBr.iX;

    iCandsVerticalMargin = cellpaneRect3.Rect().iTl.iY - cellpaneRect1.Rect().iBr.iY;

    iCandsUnitWidth = cellpaneRect1.Rect().Width();

    iCandsUnitHeight = cellpaneRect1.Rect().Height() ;

    iCandsNaviHeight = cellpaneRect1.Rect().Height();

    iCandidateLTPos = candrowpaneRect.Rect().iTl;

    iPredictiveLTPos = candrowpaneRect2.Rect().iTl;

    TAknTextLineLayout candstxtlayout = 

                     AknLayoutScalable_Avkon::fshwr2_func_candi_cell_pane_t1(3).LayoutLine();

    TAknLayoutText candstxt;

    candstxt.LayoutText( cellpaneRect1.Rect(), candstxtlayout );

    iCandsFont = const_cast<CFont*>( AknLayoutUtils::FontFromId( candstxtlayout.iFont, NULL ) );

    iCandsTextMargin = candstxt.TextRect().iTl.iX - cellpaneRect1.Rect().iTl.iX;

    TAknWindowLineLayout btnrowpane, btnpane, btnbgpane;

    TAknLayoutRect btnrowRect, btnRect, btnbgRect;

    // Get the first row rect *************************************************

    btnrowpane = AknLayoutScalable_Avkon::fshwr2_func_candi_row_pane(0, 0, 0).

                                            LayoutLine();

    btnrowRect.LayoutRect(candpaneRect.Rect(), btnrowpane);

    // Close Button

    btnpane = AknLayoutScalable_Avkon::fshwr2_func_candi_cell_pane( 2 , 0 , 0 ).

										LayoutLine();    

    btnRect.LayoutRect(btnrowRect.Rect(), btnpane);

    btnbgpane = AknLayoutScalable_Avkon::fshwr2_func_candi_cell_bg_pane(2).

										LayoutLine();

    btnbgRect.LayoutRect(btnRect.Rect(), btnbgpane); 

    iRectBtnClose = btnbgRect.Rect();

    // Range Button with mark

    btnpane = AknLayoutScalable_Avkon::fshwr2_func_candi_cell_pane( 2 , 1 , 0 ).

										LayoutLine();

    btnRect.LayoutRect(btnrowRect.Rect(), btnpane);

    btnbgpane = AknLayoutScalable_Avkon::fshwr2_func_candi_cell_bg_pane(2).

										LayoutLine();

    btnbgRect.LayoutRect(btnRect.Rect(), btnbgpane); 

    iRectBtnRangeChn = btnbgRect.Rect();

    iRectBtnRangeEng = iRectBtnRangeChn;

    iRectBtnRangeNum = iRectBtnRangeEng;

    // SCT button

    btnpane = AknLayoutScalable_Avkon::fshwr2_func_candi_cell_pane( 2 , 2 , 0 ).

										LayoutLine();

    btnRect.LayoutRect(btnrowRect.Rect(), btnpane);

    btnbgpane = AknLayoutScalable_Avkon::fshwr2_func_candi_cell_bg_pane(2).

										LayoutLine();

    btnbgRect.LayoutRect(btnRect.Rect(), btnbgpane); 

    iRectBtnRangeSmb = btnbgRect.Rect();

    // Backspace button

    btnpane = AknLayoutScalable_Avkon::fshwr2_func_candi_cell_pane( 2 , 3 , 0 ).

										LayoutLine();

    btnRect.LayoutRect(btnrowRect.Rect(), btnpane);

    btnbgpane = AknLayoutScalable_Avkon::fshwr2_func_candi_cell_bg_pane(2).

										LayoutLine();

    btnbgRect.LayoutRect(btnRect.Rect(), btnbgpane);

    iRectBtnBackspace = btnbgRect.Rect();    

    // Get the second row rect **************************************************

    btnrowpane = AknLayoutScalable_Avkon::fshwr2_func_candi_row_pane(0, 0, 1).

                                            LayoutLine();

    btnrowRect.LayoutRect(candpaneRect.Rect(), btnrowpane);

    // Option button

    btnpane = AknLayoutScalable_Avkon::fshwr2_func_candi_cell_pane( 1 , 0 , 0 ).

										LayoutLine();

    btnRect.LayoutRect(btnrowRect.Rect(), btnpane);

    btnbgpane = AknLayoutScalable_Avkon::fshwr2_func_candi_cell_bg_pane(1).

										LayoutLine();

    btnbgRect.LayoutRect(btnRect.Rect(), btnbgpane);

    iRectBtnOption = btnbgRect.Rect();     

    // Switch mode button

    btnpane = AknLayoutScalable_Avkon::fshwr2_func_candi_cell_pane( 1 , 1 , 0 ).

										LayoutLine();

    btnRect.LayoutRect(btnrowRect.Rect(), btnpane);

    btnbgpane = AknLayoutScalable_Avkon::fshwr2_func_candi_cell_bg_pane(1).

										LayoutLine();

    btnbgRect.LayoutRect(btnRect.Rect(), btnbgpane); 

    // Arrow up button

    btnpane = AknLayoutScalable_Avkon::fshwr2_func_candi_cell_pane( 1 , 2 , 0 ).

										LayoutLine();

    btnRect.LayoutRect(btnrowRect.Rect(), btnpane);

    btnbgpane = AknLayoutScalable_Avkon::fshwr2_func_candi_cell_bg_pane(1).

										LayoutLine();

    btnbgRect.LayoutRect(btnRect.Rect(), btnbgpane);  

    iRectBtnArrowUp = btnbgRect.Rect();

    iRectBtnSctPage = iRectBtnArrowUp;  

    // Get the third row rect **************************************************

    btnrowpane = AknLayoutScalable_Avkon::fshwr2_func_candi_row_pane(0, 0, 2).

                                            LayoutLine();

    btnrowRect.LayoutRect(candpaneRect.Rect(), btnrowpane);

    // Arrow left button

    btnpane = AknLayoutScalable_Avkon::fshwr2_func_candi_cell_pane( 1 , 0 , 0 ).

										LayoutLine();									

    btnRect.LayoutRect(btnrowRect.Rect(), btnpane);

    btnbgpane = AknLayoutScalable_Avkon::fshwr2_func_candi_cell_bg_pane(1).

										LayoutLine();

    btnbgRect.LayoutRect(btnRect.Rect(), btnbgpane); 

    iRectBtnArrowLeft = btnbgRect.Rect();    

    // Arrow right button

    btnpane = AknLayoutScalable_Avkon::fshwr2_func_candi_cell_pane( 1 , 1 , 0 ).

										LayoutLine();

    btnRect.LayoutRect(btnrowRect.Rect(), btnpane);

    btnbgpane = AknLayoutScalable_Avkon::fshwr2_func_candi_cell_bg_pane(1).

										LayoutLine();

	btnbgRect.LayoutRect(btnRect.Rect(), btnbgpane);									    

    iRectBtnArrowRight = btnbgRect.Rect();

    // Arrow down button

    btnpane = AknLayoutScalable_Avkon::fshwr2_func_candi_cell_pane( 1 , 2 , 0 ).

										LayoutLine();

    btnRect.LayoutRect(btnrowRect.Rect(), btnpane);

    btnbgpane = AknLayoutScalable_Avkon::fshwr2_func_candi_cell_bg_pane(1).

										LayoutLine();

	btnbgRect.LayoutRect(btnRect.Rect(), btnbgpane);									    

    iRectBtnArrowDown = btnbgRect.Rect();

    // Space button

    btnpane = AknLayoutScalable_Avkon::fshwr2_func_candi_cell_pane( 0 , 0 , 0 ).

										LayoutLine();

    btnRect.LayoutRect(btnrowRect.Rect(), btnpane);

    btnbgpane = AknLayoutScalable_Avkon::fshwr2_func_candi_cell_bg_pane(0).

										LayoutLine();

	btnbgRect.LayoutRect(btnRect.Rect(), btnbgpane);									    

    // Enter button

    btnpane = AknLayoutScalable_Avkon::fshwr2_func_candi_cell_pane( 0 , 1 , 0 ).

										LayoutLine();

	btnRect.LayoutRect(btnrowRect.Rect(), btnpane);																		

    btnbgpane = AknLayoutScalable_Avkon::fshwr2_func_candi_cell_bg_pane(0).

										LayoutLine();									

	btnbgRect.LayoutRect(btnRect.Rect(), btnbgpane);

    iRectEnter = btnbgRect.Rect();

    // Writing box

    TAknWindowLineLayout writingboxpane;

    TAknLayoutRect boxRect;

    writingboxpane = AknLayoutScalable_Avkon::fshwr2_hwr_syb_pane(0).LayoutLine();

    boxRect.LayoutRect(fshwrRect.Rect(), writingboxpane);

    iRectWritingBox = boxRect.Rect();

    iRectNumpad = iRectWritingBox;

    iRectSctpad = iRectWritingBox;

    // virtual key size

    TAknWindowLineLayout keypane, keybgpane;

    TAknLayoutRect keyRect, keybgRect;

    TAknLayoutScalableParameterLimits sctPaneVariety =

        AknLayoutScalable_Avkon::cell_fshwr2_syb_pane_ParamLimits(0);

    iSctpadRowCount = sctPaneVariety.LastRow() + 1;

    iSctpadColCount = sctPaneVariety.LastColumn() + 1;    

    iSizeBtnPadding = TSize(6, 6);

    iSCTrectArray.Reset();

    for(TInt i = 0; i < iSctpadRowCount; i++)

        {

        for ( TInt j = 0; j < iSctpadColCount; j++ )

            {

            keypane = AknLayoutScalable_Avkon::cell_fshwr2_syb_pane(0, j, i).LayoutLine();

            keyRect.LayoutRect(boxRect.Rect(), keypane);

            keybgpane = AknLayoutScalable_Avkon::cell_fshwr2_syb_bg_pane(0).LayoutLine();

            keybgRect.LayoutRect(keyRect.Rect(), keybgpane);

            iSCTrectArray.Append( keybgRect.Rect());

            }

        }

    iSizeNumpadCell = keybgRect.Rect().Size();

    iSizeSctpadCell = iSizeNumpadCell;

    // preview popup window 

  	TAknWindowLineLayout previewWnd, previewWndInner;

  	TAknLayoutRect previewWndRect, previewWndInnerRect;

  	TAknLayoutText previewWndText;

  	previewWnd = AknLayoutScalable_Avkon::popup_fep_char_preview_window(0).LayoutLine();

  	previewWndRect.LayoutRect( TRect(0,0,50,50), previewWnd );

  	previewWndInner = AknLayoutScalable_Avkon::bg_popup_fep_char_preview_window_g9().LayoutLine();

  	previewWndInnerRect.LayoutRect( previewWndRect.Rect(), previewWndInner );

  	iPreviewWndRect = previewWndRect.Rect();

  	iPreviewWndInnerRect = previewWndInnerRect.Rect();

  	iPreviewWndText = 

        AknLayoutScalable_Avkon::popup_fep_char_preview_window_t1(0).LayoutLine();

    previewWndText.LayoutText(previewWndRect.Rect(), iPreviewWndText);

    iBubbleFont = previewWndText.Font();

    //==========================================================================

    // going to be removed if the LAF data is ready

    //

    #ifdef HackerVersion

	const TUint KMarginLayout = 4;

	// hardcode those and remove them after the laf data is ready

	// do we really need to read ui data from laf system?

	// icf margins

	iIcfTextLeftMarginCn = 14;

	iIcfTextRightMarginCn = 14;

    iIcfTextTopMarginCn = 14;

    iIcfTextBottomMarginCn = 20;

    iIcfTextLineSpaceMarginCn = 5;	

	// candiate margin

	iCandsHorizontalMargin = 1;

    iCandsVerticalMargin = 1;

    if(iIsLandscape)

    	{

    	TInt buttonHight = (iLayoutRect.Height()-2*KMarginLayout)/6;//-6; // 1mm ~= 6 pixls

        TInt buttonWidth = (iLayoutRect.Width()-2*KMarginLayout)/8;//-8;

    	iRectBtnClose = TRect(iLayoutRect.iTl+TPoint(KMarginLayout,KMarginLayout),TPoint(buttonWidth+KMarginLayout,buttonHight+KMarginLayout));

    	iRectBtnOption = iRectBtnClose;

    	iRectBtnOption.Move(TPoint(buttonWidth,0));

    	iRectBtnRangeSmb = iRectBtnOption;

    	iRectBtnRangeSmb.Move(TPoint(buttonWidth,0));

    	iRectBtnBackspace = iRectBtnRangeSmb;

    	iRectBtnBackspace.Move(TPoint(buttonWidth,0));

    	// button on second row

        iRectBtnArrowUp = iRectBtnClose;

        iRectBtnArrowUp.Move(TPoint(0,buttonHight));

        iRectBtnArrowDown = iRectBtnArrowUp;

        iRectBtnArrowDown.Move(TPoint(buttonWidth,0));

        iRectBtnArrowLeft = iRectBtnArrowDown;

        iRectBtnArrowLeft.Move(TPoint(buttonWidth,0));

        iRectBtnArrowRight = iRectBtnArrowLeft;

        iRectBtnArrowRight.Move(TPoint(buttonWidth,0));

		iSizeBtnPadding = TSize(6,6);

	    iRectSpase = iRectBtnClose;

	    iRectSpase.Move(TPoint(0,buttonHight));

	    iRectEnter = iRectSpase;

	    iRectEnter.Move(TPoint(buttonWidth,0));

        // candate position

        iCandidateLTPos = iRectBtnClose.iTl + TPoint(0,buttonHight);

    	iCandsUnitWidth = buttonWidth-iCandsVerticalMargin;

        iCandsUnitHeight = buttonHight;

    	// icf editor rect

    	iRectIcf = TRect(TPoint(4*buttonWidth+KMarginLayout,KMarginLayout),TPoint(iLayoutRect.iBr.iX-KMarginLayout,2*buttonHight+KMarginLayout));

    	// iwriting box

    	iRectWritingBox	= TRect(TPoint(KMarginLayout,2*buttonHight+KMarginLayout),iLayoutRect.iBr-TPoint(KMarginLayout,KMarginLayout));

    	// construct symbol table

    	iRectOfSymbolTable = iRectWritingBox;

    	iRectOfSymbolTable.Move(TPoint(buttonWidth,-buttonHight));

    	iRectOfSymbolTable.SetHeight(5*buttonHight);

    	iRectOfSymbolTable.SetWidth(6*buttonWidth);

    	iRectSctpad = iRectOfSymbolTable;

    	iRectSctpad.Move(TPoint(0,buttonHight));

    	iRectSctpad.SetHeight(4*buttonHight);

    	iRectSctpad.SetWidth(6*buttonWidth);

		// the button size for symbol table control 

		iSymButtonSize = TSize(2*buttonWidth,buttonHight);

		iSctpadRowCount = 4;

		iSctpadColCount = 6;

    	iSCTrectArray.Reset();

    	for(TInt i = 0; i <  iSctpadRowCount; i++)

    	    {	

    	    for(TInt j = 0; j < iSctpadColCount; j++)

    	        {

    	        TPoint rectTl = iRectSctpad.iTl+TPoint(j*buttonWidth,i*buttonHight);

    	        TPoint rectBr = rectTl+ TPoint(buttonWidth,buttonHight);

    	        iSCTrectArray.Append(TRect(rectTl,rectBr));

    	        }

    	    }

        }

    else

    	{

        // icf rect

        iRectIcf = TRect(iLayoutRect.iTl+TPoint(KMarginLayout,KMarginLayout),TPoint(iLayoutRect.iBr.iX-KMarginLayout,22.5*9));

		TInt buttonHight = (iLayoutRect.Height()-iRectIcf.Height()-2*KMarginLayout)/6;//(15*9)/2; // 1mm ~= 9pixls

        TInt buttonWidth = (iLayoutRect.Width()-2*KMarginLayout)/4;

        // the button on second row

		TPoint firstButtonTl = iRectIcf.iTl+TPoint(0,iRectIcf.Height());

		iRectBtnClose = TRect(firstButtonTl,firstButtonTl+TPoint(buttonWidth,buttonHight));

        iRectBtnOption = iRectBtnClose;

        iRectBtnOption.Move(TPoint(buttonWidth,0));

		iRectBtnRangeSmb = iRectBtnOption;

        iRectBtnRangeSmb.Move(TPoint(buttonWidth,0));

		iRectBtnBackspace = iRectBtnRangeSmb;

        iRectBtnBackspace.Move(TPoint(buttonWidth,0));

        // arrow button: on third row

        iRectBtnArrowUp = iRectBtnClose;

        iRectBtnArrowUp.Move(TPoint(0,buttonHight));

        iRectBtnArrowDown = iRectBtnArrowUp;

        iRectBtnArrowDown.Move(TPoint(buttonWidth,0));

        iRectBtnArrowLeft = iRectBtnArrowDown;

        iRectBtnArrowLeft.Move(TPoint(buttonWidth,0));

        iRectBtnArrowRight = iRectBtnArrowLeft;

        iRectBtnArrowRight.Move(TPoint(buttonWidth,0));

        // button padding

		iSizeBtnPadding = TSize(6,6);

        // candate position