sl@0: // Copyright (c) 2005-2009 Nokia Corporation and/or its subsidiary(-ies).
sl@0: // All rights reserved.
sl@0: // This component and the accompanying materials are made available
sl@0: // under the terms of "Eclipse Public License v1.0"
sl@0: // which accompanies this distribution, and is available
sl@0: // at the URL "http://www.eclipse.org/legal/epl-v10.html".
sl@0: //
sl@0: // Initial Contributors:
sl@0: // Nokia Corporation - initial contribution.
sl@0: //
sl@0: // Contributors:
sl@0: //
sl@0: // Description:
sl@0: // Part of the MVS Application for TechView
sl@0: //
sl@0: 
sl@0: #include <e32math.h>
sl@0: #include <techview/eikfpne.h>
sl@0: 
sl@0: #include "MVSVideoSettingDialog.h"
sl@0: #include "MVSApp.hrh"
sl@0: 
sl@0: void CMVSVideoSettingDialog::SetupDialogLD(TVideoRotation aRotation, 
sl@0:                                            CMVSAppUi* aAppUi,
sl@0:                                            const TRect& aVideoSize,
sl@0:                                            const TRect& aWindowRect,
sl@0:                                            TBool aSupportVideoPlayerUtility2,
sl@0:                                            TBool aPip,
sl@0: 										   TBool aCrp)
sl@0: 	{
sl@0:     CMVSVideoSettingDialog* dialog = new (ELeave) CMVSVideoSettingDialog(aRotation,
sl@0:                                                                          aAppUi,
sl@0:                                                                          aVideoSize,
sl@0:                                                                          aWindowRect,
sl@0:                                                                          aSupportVideoPlayerUtility2,
sl@0:                                                                          aPip, 
sl@0: 																		 aCrp);
sl@0:     dialog->ExecuteLD(R_MVS_VIDEO_DIALOG_VIDEOSETTING);
sl@0:     }
sl@0: 
sl@0: 
sl@0: void CMVSVideoSettingDialog::PreLayoutDynInitL()
sl@0:     {
sl@0:     // Get a downcasted pointer to the controls
sl@0:     CEikChoiceList* rotation = static_cast<CEikChoiceList*>(Control(EMVSVideoRotationSettings));    
sl@0:     if(rotation)
sl@0: 	    {
sl@0: 	    rotation->SetCurrentItem(iRotation);
sl@0: 	    }
sl@0: 	        
sl@0:     // default the scaling factor to the current scaling factor as used by the video playback
sl@0:     // utility    	
sl@0:     iAppUi->GetScaleFactorL(iScaleWidth, iScaleHeight, iAntiAliasFiltering);
sl@0:     
sl@0:     CEikCheckBox* antiAliasFiltering = static_cast<CEikCheckBox*>(Control(EMVSAntiAliasFiltering));
sl@0:     if(antiAliasFiltering)
sl@0:     	{
sl@0:     	iAntiAliasFilteringCtl = antiAliasFiltering;
sl@0:     	antiAliasFiltering->SetObserver(this);
sl@0:     	antiAliasFiltering->SetState(
sl@0:     	    iAntiAliasFiltering ? CEikButtonBase::ESet : CEikButtonBase::EClear);            
sl@0:     	}
sl@0:         
sl@0:     CEikFloatingPointEditor* editor = static_cast<CEikFloatingPointEditor*> (Control(EMVSCmdScaleWidth));
sl@0:     TReal temp(iScaleWidth);
sl@0:     editor->SetValueL(&temp);
sl@0:     
sl@0:     temp = iScaleHeight;
sl@0:     editor = static_cast<CEikFloatingPointEditor*> (Control(EMVSCmdScaleHeight));
sl@0:     editor->SetValueL(&temp);
sl@0:     	
sl@0:     // default the crop region to the current crop region values as used by the video playback
sl@0:     // utility
sl@0:     iAppUi->GetCropRegionL(iCropRegion);
sl@0:     
sl@0:     static_cast<CEikNumberEditor*>
sl@0:         (Control(EMVSCmdSetTopLeftx))->SetNumber(iCropRegion.iTl.iX);
sl@0:     static_cast<CEikNumberEditor*>
sl@0:         (Control(EMVSCmdSetTopLefty))->SetNumber(iCropRegion.iTl.iY);
sl@0:     static_cast<CEikNumberEditor*>
sl@0:         (Control(EMVSCmdSetBottomRightx))->SetNumber(iCropRegion.iBr.iX);
sl@0:     static_cast<CEikNumberEditor*>
sl@0:         (Control(EMVSCmdSetBottomRighty))->SetNumber(iCropRegion.iBr.iY);    	
sl@0:         
sl@0:     if (!iSupportVideoPlayerUtility2)
sl@0:         {
sl@0:         // hide the video extent & window clipping rect UI elements if CVideoPlayerUtility2 
sl@0:         // is not in effect
sl@0:         for (TInt i = EMVSCmdSetVideoExtentTopLeftx; i <= EMVSCmdSetOverlayText; i++)
sl@0:             {
sl@0:             SetLineDimmedNow(i, ETrue);
sl@0:             SetLineNonFocusing(i);
sl@0:             }
sl@0:         }
sl@0:     else
sl@0:         {
sl@0:         // default the video extent to values currently set in the application
sl@0:         static_cast<CEikNumberEditor*>
sl@0:             (Control(EMVSCmdSetVideoExtentTopLeftx))->SetNumber(iVideoExtent.iTl.iX);
sl@0:         static_cast<CEikNumberEditor*>
sl@0:             (Control(EMVSCmdSetVideoExtentTopLefty))->SetNumber(iVideoExtent.iTl.iY);
sl@0:         static_cast<CEikNumberEditor*>
sl@0:             (Control(EMVSCmdSetVideoExtentBottomRightx))->SetNumber(iVideoExtent.iBr.iX);
sl@0:         static_cast<CEikNumberEditor*>
sl@0:             (Control(EMVSCmdSetVideoExtentBottomRighty))->SetNumber(iVideoExtent.iBr.iY);
sl@0: 
sl@0:         // default the window clipping rect to values currently set in the application
sl@0:         static_cast<CEikNumberEditor*>
sl@0:             (Control(EMVSCmdSetWindowClipTopLeftx))->SetNumber(iWindowClip.iTl.iX);
sl@0:         static_cast<CEikNumberEditor*>
sl@0:             (Control(EMVSCmdSetWindowClipTopLefty))->SetNumber(iWindowClip.iTl.iY);
sl@0:         static_cast<CEikNumberEditor*>
sl@0:             (Control(EMVSCmdSetWindowClipBottomRightx))->SetNumber(iWindowClip.iBr.iX);
sl@0:         static_cast<CEikNumberEditor*>
sl@0:             (Control(EMVSCmdSetWindowClipBottomRighty))->SetNumber(iWindowClip.iBr.iY);
sl@0:             
sl@0:         if (iAppUi->OverlayText().Length() > 0)
sl@0:             {
sl@0:             static_cast<CEikCheckBox*>
sl@0:                 (Control(EMVSCmdSetDisplayOverlayText))->SetState(CEikButtonBase::ESet);            
sl@0:             static_cast<CEikEdwin*>
sl@0:                 (Control(EMVSCmdSetOverlayText))->SetTextL(&iAppUi->OverlayText());                
sl@0:             }
sl@0:         else
sl@0:             {
sl@0:             static_cast<CEikCheckBox*>
sl@0:                 (Control(EMVSCmdSetDisplayOverlayText))->SetState(CEikButtonBase::EClear);            
sl@0:             static_cast<CEikEdwin*>
sl@0:                 (Control(EMVSCmdSetOverlayText))->SetTextL(NULL);                                
sl@0:             SetLineDimmedNow(EMVSCmdSetOverlayText, ETrue);                            
sl@0:             }
sl@0:         }
sl@0: 
sl@0: #ifdef SYMBIAN_BUILD_GCE    
sl@0:     TAutoScaleType autoScaleType;
sl@0:     TInt autoScaleHorizPos;
sl@0:     TInt autoScaleVertPos;
sl@0:     iAppUi->GetAutoScale(autoScaleType, autoScaleHorizPos, autoScaleVertPos);
sl@0:     
sl@0: 	CEikChoiceList* autoScaleTypeList = static_cast<CEikChoiceList*>(Control(EMVSAutoScaleType));    
sl@0:     switch (autoScaleType)
sl@0:     	{
sl@0:         case EAutoScaleNone:
sl@0:         	autoScaleTypeList->SetCurrentItem(0);
sl@0:           	break;
sl@0:         case EAutoScaleBestFit:
sl@0:         	autoScaleTypeList->SetCurrentItem(1);
sl@0:           	break;
sl@0:         case EAutoScaleClip:
sl@0:         	autoScaleTypeList->SetCurrentItem(2);
sl@0:          	break;
sl@0:     	case EAutoScaleStretch:
sl@0:     		autoScaleTypeList->SetCurrentItem(3);
sl@0:     		break;
sl@0:         }	
sl@0: 	    
sl@0: 	CEikChoiceList* autoScaleHoriz = static_cast<CEikChoiceList*>(Control(EMVSAutoScaleHoriz));
sl@0: 	switch (autoScaleHorizPos)
sl@0: 		{
sl@0: 		case EHorizontalAlignLeft:
sl@0: 			autoScaleHoriz->SetCurrentItem(0);
sl@0: 			static_cast<CEikNumberEditor*>(Control(EMVSAutoScaleHorizPos))->SetNumber(0);
sl@0: 			break;
sl@0: 		case EHorizontalAlignCenter:
sl@0: 			autoScaleHoriz->SetCurrentItem(1);
sl@0: 			static_cast<CEikNumberEditor*>(Control(EMVSAutoScaleHorizPos))->SetNumber(0);
sl@0: 			break;
sl@0: 		case EHorizontalAlignRight:
sl@0: 			autoScaleHoriz->SetCurrentItem(2);
sl@0: 			static_cast<CEikNumberEditor*>(Control(EMVSAutoScaleHorizPos))->SetNumber(0);
sl@0: 			break;
sl@0: 		default: 
sl@0: 			autoScaleHoriz->SetCurrentItem(3);
sl@0: 			static_cast<CEikNumberEditor*>(Control(EMVSAutoScaleHorizPos))->SetNumber(autoScaleHorizPos);
sl@0: 			break;
sl@0: 		}
sl@0: 	
sl@0: 	CEikChoiceList* autoScaleVert = static_cast<CEikChoiceList*>(Control(EMVSAutoScaleVert));
sl@0: 	switch (autoScaleVertPos)
sl@0: 		{
sl@0: 		case EVerticalAlignTop:
sl@0: 			autoScaleVert->SetCurrentItem(0);
sl@0: 			static_cast<CEikNumberEditor*>(Control(EMVSAutoScaleVertPos))->SetNumber(0);
sl@0: 			break;
sl@0: 		case EVerticalAlignCenter:
sl@0: 			autoScaleVert->SetCurrentItem(1);
sl@0: 			static_cast<CEikNumberEditor*>(Control(EMVSAutoScaleVertPos))->SetNumber(0);
sl@0: 			break;
sl@0: 		case EVerticalAlignBottom:
sl@0: 			autoScaleVert->SetCurrentItem(2);
sl@0: 			static_cast<CEikNumberEditor*>(Control(EMVSAutoScaleVertPos))->SetNumber(0);
sl@0: 			break;
sl@0: 		default: 
sl@0: 			autoScaleVert->SetCurrentItem(3);
sl@0: 			static_cast<CEikNumberEditor*>(Control(EMVSAutoScaleVertPos))->SetNumber(autoScaleVertPos);
sl@0: 			break;
sl@0: 		}
sl@0: 	
sl@0: 	CEikCheckBox* pip = static_cast<CEikCheckBox*>(Control(EMVSPIP));
sl@0: 	
sl@0: 	if(pip)
sl@0:     	{
sl@0:     	pip->SetObserver(this);
sl@0:     	pip->SetState(iPip ? CEikButtonBase::ESet : CEikButtonBase::EClear);            
sl@0:     	}
sl@0: 
sl@0: 	CEikCheckBox* crp = static_cast<CEikCheckBox*>(Control(EMVSCRP));
sl@0: 
sl@0: 	if(crp)
sl@0: 		{
sl@0: 		crp->SetObserver(this);
sl@0: 		crp->SetState(iCrp ? CEikButtonBase::ESet : CEikButtonBase::EClear);
sl@0: 		}
sl@0: 	
sl@0: #endif // SYMBIAN_BUILD_GCE
sl@0:     }
sl@0: 
sl@0: 
sl@0: CMVSVideoSettingDialog::CMVSVideoSettingDialog(TVideoRotation aRotation,
sl@0:                                                CMVSAppUi* aAppUi,
sl@0:                                                const TRect& aVideoSize,
sl@0:                                                const TRect& aWindowRect,
sl@0:                                                TBool aSupportVideoPlayerUtility2,
sl@0:                                                TBool aPip,
sl@0: 											   TBool aCrp)
sl@0:     : iRotation(aRotation),
sl@0:       iAppUi(aAppUi),
sl@0:       iVideoExtent(aVideoSize),
sl@0:       iWindowClip(aWindowRect),
sl@0:       iSupportVideoPlayerUtility2(aSupportVideoPlayerUtility2),
sl@0:       iPip(aPip),
sl@0: 	  iCrp(aCrp)
sl@0:     {
sl@0:     //Nothing to do here - all done in initialisation list
sl@0:     }
sl@0: 
sl@0: 
sl@0: TBool CMVSVideoSettingDialog::OkToExitL(TInt aButtonId)
sl@0:     {
sl@0:     switch(aButtonId)
sl@0:     	{
sl@0:         case EMVSButtonUpdate:
sl@0:             {          
sl@0:             HandleUpdateL();
sl@0:             break;
sl@0:             }
sl@0:             
sl@0:         case EMVSButtonCancel:
sl@0:         default: //cancel
sl@0:             break;
sl@0:         }
sl@0:         
sl@0:     return ETrue;                    
sl@0:     }                        
sl@0: 
sl@0: void CMVSVideoSettingDialog::HandleUpdateL()
sl@0:     {
sl@0:     // retrieve crop region value
sl@0:     iAx = static_cast<CEikNumberEditor*>
sl@0:                         (Control(EMVSCmdSetTopLeftx))->Number();
sl@0:     
sl@0:     iAy = static_cast<CEikNumberEditor*>
sl@0:                         (Control(EMVSCmdSetTopLefty))->Number();
sl@0:     
sl@0:     iBx = static_cast<CEikNumberEditor*>
sl@0:                         (Control(EMVSCmdSetBottomRightx))->Number();
sl@0:     
sl@0:     iBy = static_cast<CEikNumberEditor*>
sl@0:                         (Control(EMVSCmdSetBottomRighty))->Number();    
sl@0:     TRect newCrop(iAx, iAy, iBx, iBy);   
sl@0:     if (newCrop != iCropRegion)
sl@0:         {
sl@0:         iAppUi->SetCropRegionL(newCrop);
sl@0:         }
sl@0:     
sl@0:     // retrieve scale factor
sl@0:     TReal32 scaleWidth = TReal32(static_cast<CEikFloatingPointEditor*>
sl@0:                         (Control(EMVSCmdScaleWidth))->Value());    
sl@0:     TReal32 scaleHeight = TReal32(static_cast<CEikFloatingPointEditor*>
sl@0:                         (Control(EMVSCmdScaleHeight))->Value());                        
sl@0:     TBool antiAlias = (iAntiAliasFilteringCtl->State() == CEikButtonBase::ESet);
sl@0: 
sl@0:     if (iScaleWidth != scaleWidth || iScaleHeight != scaleHeight || antiAlias != iAntiAliasFiltering)
sl@0:         {            
sl@0:         iAppUi->SetScaleFactorL(scaleWidth, scaleHeight, antiAlias);
sl@0:         }
sl@0:             
sl@0:     // retrieve rotation value
sl@0:     TVideoRotation newRotation(EVideoRotationNone);
sl@0:     CEikChoiceList* rotation = static_cast<CEikChoiceList*>(Control(EMVSVideoRotationSettings));    
sl@0:     if(rotation)
sl@0: 	    {
sl@0: 	    switch (rotation->CurrentItem())
sl@0: 	    	{
sl@0: 	        case 0:
sl@0: 	        	newRotation = EVideoRotationNone;
sl@0: 	          	break;
sl@0: 
sl@0: 	        case 1:
sl@0: 	        	newRotation = EVideoRotationClockwise90;
sl@0: 	          	break;
sl@0: 
sl@0: 	        case 2:
sl@0: 	        	newRotation = EVideoRotationClockwise180;
sl@0: 	         	break;
sl@0: 	         	
sl@0: 	        case 3:
sl@0: 	        	newRotation = EVideoRotationClockwise270;
sl@0: 	         	break;
sl@0: 
sl@0: 	        default:
sl@0: 	        	newRotation = EVideoRotationNone;
sl@0: 	         	break;
sl@0: 	        }	
sl@0: 	    }
sl@0:     if (iRotation != newRotation)
sl@0:         {            
sl@0:         iAppUi->SetRotationL(newRotation);
sl@0:         iRotation = newRotation;
sl@0:         }
sl@0:             
sl@0: #ifdef SYMBIAN_BUILD_GCE
sl@0:     // retrieves window clipping rect
sl@0:     TRect newWinClipRect;
sl@0:     RetrieveWindowClipRectFieldValues(newWinClipRect);
sl@0:     
sl@0:     if (newWinClipRect != iWindowClip)
sl@0:         {
sl@0:         iAppUi->SetWindowClippingRect(newWinClipRect);
sl@0:         }
sl@0: 
sl@0: 
sl@0:     // retrieves video extent properties
sl@0:     TRect newVideoExtent;
sl@0:     RetrieveVideoExtentFieldValues(newVideoExtent);
sl@0: 
sl@0:     if (newVideoExtent != iVideoExtent)
sl@0:         {
sl@0:         iAppUi->SetVideoExtent(newVideoExtent);
sl@0:         }
sl@0: 
sl@0:     // retrieve overlay text
sl@0:     HBufC* overlayText = NULL;                  
sl@0:     if (static_cast<CEikCheckBox*>(Control(EMVSCmdSetDisplayOverlayText))->State() 
sl@0:         == CEikButtonBase::ESet)
sl@0:         {
sl@0:         overlayText 
sl@0:             = static_cast<CEikEdwin*>(Control(EMVSCmdSetOverlayText))->GetTextInHBufL();
sl@0:         }
sl@0:      
sl@0:     if (overlayText)
sl@0:         {
sl@0:         iAppUi->SetOverlayTextL(*overlayText);
sl@0:         delete overlayText;                                
sl@0:         }
sl@0:     else
sl@0:         {
sl@0:         iAppUi->SetOverlayTextL(KNullDesC);
sl@0:         }
sl@0: 
sl@0: 	// retrieve autoscale values
sl@0:     TAutoScaleType newAutoScaleType = EAutoScaleNone;
sl@0:     TInt newAutoScaleHorizPos = 0;
sl@0:     TInt newAutoScaleVertPos = 0;
sl@0:     
sl@0:     CEikChoiceList* autoScaleType = static_cast<CEikChoiceList*>(Control(EMVSAutoScaleType));
sl@0:     
sl@0:     if (autoScaleType)
sl@0: 	    {
sl@0: 	    switch (autoScaleType->CurrentItem())
sl@0: 	    	{
sl@0: 	        case 0:
sl@0: 	        	newAutoScaleType = EAutoScaleNone;
sl@0: 	          	break;
sl@0: 	        case 1:
sl@0: 	        	newAutoScaleType = EAutoScaleBestFit;
sl@0: 	          	break;
sl@0: 	        case 2:
sl@0: 	        	newAutoScaleType = EAutoScaleClip;
sl@0: 	         	break;
sl@0: 	    	case 3:
sl@0: 	    		newAutoScaleType = EAutoScaleStretch;
sl@0: 	    		break;
sl@0: 	    	default:
sl@0: 	    		newAutoScaleType = EAutoScaleNone;
sl@0: 	    		break;
sl@0: 	        }	
sl@0: 	    }
sl@0: 	
sl@0: 	CEikChoiceList* autoScaleHoriz = static_cast<CEikChoiceList*>(Control(EMVSAutoScaleHoriz));
sl@0: 	switch (autoScaleHoriz->CurrentItem())
sl@0: 		{
sl@0: 		case 0:
sl@0: 			newAutoScaleHorizPos = EHorizontalAlignLeft;
sl@0: 			break;
sl@0: 		case 1:
sl@0: 			newAutoScaleHorizPos = EHorizontalAlignCenter;
sl@0: 			break;
sl@0: 		case 2:
sl@0: 			newAutoScaleHorizPos = EHorizontalAlignRight;
sl@0: 			break;
sl@0: 		default:
sl@0: 			newAutoScaleHorizPos = static_cast<CEikNumberEditor*>(Control(EMVSAutoScaleHorizPos))->Number();
sl@0: 			break;
sl@0: 		}
sl@0: 	
sl@0: 	CEikChoiceList* autoScaleVert = static_cast<CEikChoiceList*>(Control(EMVSAutoScaleVert));
sl@0: 	switch (autoScaleVert->CurrentItem())
sl@0: 		{
sl@0: 		case 0:
sl@0: 			newAutoScaleVertPos = EVerticalAlignTop;
sl@0: 			break;
sl@0: 		case 1:
sl@0: 			newAutoScaleVertPos = EVerticalAlignCenter;
sl@0: 			break;
sl@0: 		case 2:
sl@0: 			newAutoScaleVertPos = EVerticalAlignBottom;
sl@0: 			break;
sl@0: 		default:
sl@0: 			newAutoScaleVertPos = static_cast<CEikNumberEditor*>(Control(EMVSAutoScaleVertPos))->Number();
sl@0: 			break;
sl@0: 		}
sl@0: 
sl@0: 	iAppUi->SetAutoScaleL(newAutoScaleType, newAutoScaleHorizPos, newAutoScaleVertPos);
sl@0: 	
sl@0: 	CEikButtonBase::TState state = static_cast<CEikCheckBox*>(Control(EMVSPIP))->State();
sl@0: 	iAppUi->SetPip(CEikButtonBase::ESet == state);
sl@0: 
sl@0: 	state = static_cast<CEikCheckBox*>(Control(EMVSCRP))->State();
sl@0: 	iAppUi->SetCrp(CEikButtonBase::ESet == state);	
sl@0: #endif  // SYMBIAN_BUILD_GCE
sl@0:     }
sl@0:             
sl@0: 
sl@0: void CMVSVideoSettingDialog::RetrieveVideoExtentFieldValues(TRect& aVideoExtentValues) const
sl@0:     {
sl@0:     aVideoExtentValues.iTl.iX 
sl@0:         = static_cast<CEikNumberEditor*>(Control(EMVSCmdSetVideoExtentTopLeftx))->Number();        
sl@0: 
sl@0:     aVideoExtentValues.iTl.iY 
sl@0:         = static_cast<CEikNumberEditor*>(Control(EMVSCmdSetVideoExtentTopLefty))->Number();        
sl@0: 
sl@0:     aVideoExtentValues.iBr.iX 
sl@0:         = static_cast<CEikNumberEditor*>(Control(EMVSCmdSetVideoExtentBottomRightx))->Number();        
sl@0: 
sl@0:     aVideoExtentValues.iBr.iY 
sl@0:         = static_cast<CEikNumberEditor*>(Control(EMVSCmdSetVideoExtentBottomRighty))->Number();                
sl@0:     }
sl@0: 
sl@0: void CMVSVideoSettingDialog::RetrieveWindowClipRectFieldValues(TRect& aNewVideoExtent) const
sl@0:     {
sl@0:     aNewVideoExtent.iTl.iX 
sl@0:         = static_cast<CEikNumberEditor*>(Control(EMVSCmdSetWindowClipTopLeftx))->Number();        
sl@0: 
sl@0:     aNewVideoExtent.iTl.iY 
sl@0:         = static_cast<CEikNumberEditor*>(Control(EMVSCmdSetWindowClipTopLefty))->Number();        
sl@0: 
sl@0:     aNewVideoExtent.iBr.iX 
sl@0:         = static_cast<CEikNumberEditor*>(Control(EMVSCmdSetWindowClipBottomRightx))->Number();        
sl@0: 
sl@0:     aNewVideoExtent.iBr.iY 
sl@0:         = static_cast<CEikNumberEditor*>(Control(EMVSCmdSetWindowClipBottomRighty))->Number();                
sl@0:     }
sl@0: 
sl@0: void CMVSVideoSettingDialog::HandleControlEventL(CCoeControl *aControl, TCoeEvent aEventType)
sl@0: 	{
sl@0: 	CEikDialog::HandleControlEventL(aControl,aEventType);
sl@0:     if (aControl == Control(EMVSCmdSetDisplayOverlayText) && aEventType == EEventStateChanged)
sl@0:         {
sl@0:         CEikCheckBox* overlayCheckBox 
sl@0:             = static_cast<CEikCheckBox*>(Control(EMVSCmdSetDisplayOverlayText));
sl@0:             
sl@0:         TBool disableOverlayText = (overlayCheckBox->State() != CEikButtonBase::ESet);                    
sl@0:         SetLineDimmedNow(EMVSCmdSetOverlayText, disableOverlayText);                                    
sl@0:         }
sl@0: 	}