author | Pat Downey <patd@symbian.org> |
Wed, 01 Sep 2010 12:39:40 +0100 | |
branch | RCL_3 |
changeset 17 | 336bee5c2d35 |
parent 16 | 748ec5531811 |
permissions | -rw-r--r-- |
0
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/* |
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* Copyright (c) 1997-2009 Nokia Corporation and/or its subsidiary(-ies). |
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* All rights reserved. |
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* This component and the accompanying materials are made available |
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* under the terms of "Eclipse Public License v1.0" |
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* which accompanies this distribution, and is available |
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* at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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* |
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* Initial Contributors: |
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* Nokia Corporation - initial contribution. |
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* |
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* Contributors: |
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* |
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* Description: |
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* |
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*/ |
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|
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|
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#include "FRMTVIEW.H" |
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#include "FRMCONST.H" |
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#include "FORMUTIL.H" |
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|
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#ifdef SYMBIAN_ENABLE_SPLIT_HEADERS |
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#include "FRMCONST_INTERNAL.H" |
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#include "FRMCONST_PARTNER.H" |
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#include "TAGMA_INTERNAL.H" |
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#endif |
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|
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RScreenDisplay::RScreenDisplay(TDrawTextLayoutContext* const aDrawTextLayoutContext): |
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iSession(NULL), |
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iGroupWin(NULL), |
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iWin(NULL), |
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iGc(NULL), |
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iDrawTextLayoutContext(aDrawTextLayoutContext), |
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iBackground(KRgbWhite) |
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{ |
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} |
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void RScreenDisplay::Close() |
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// |
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{ |
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DestroyContexts(); |
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} |
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void RScreenDisplay::Destroy() |
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// |
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{ |
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Close(); |
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delete this; |
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} |
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void RScreenDisplay::DestroyContexts() |
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// |
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//Destroy the graphics contexts |
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// |
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{ |
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if (iGc) |
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delete iGc; |
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iGc=NULL; |
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} |
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void RScreenDisplay::ActivateContext() |
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// |
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{ |
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ActivateContext(iGc); |
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iBackground = iDrawTextLayoutContext->iBackgroundColor; |
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const MFormParam* p = MFormParam::Get(); |
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FormUtil::LogicalToActualColor(p,iBackground); |
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} |
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void RScreenDisplay::ActivateContext(CGraphicsContext *aGc) |
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// |
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//Activate a gc on the current window |
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// |
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{ |
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//__ASSERT_DEBUG(aGc!=NULL,FormPanic()); |
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if (iWin) |
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((CWindowGc *) aGc)->Activate(*iWin); |
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} |
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void RScreenDisplay::DeactivateContext() |
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// |
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{ |
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DeactivateContext(iGc); |
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} |
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void RScreenDisplay::DeactivateContext(CGraphicsContext *aGc) |
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// |
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//Deactivate a gc on the current window |
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// |
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{ |
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//__ASSERT_DEBUG(aGc!=NULL,FormPanic()); |
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if (iWin) |
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((CWindowGc *) aGc)->Deactivate(); |
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} |
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void RScreenDisplay::CreateContextL() |
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// |
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//Create and activate the main Graphics Context |
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// |
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{ |
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__ASSERT_DEBUG(iGc==NULL,FormPanic(EFGcNotSet)); |
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User::LeaveIfError(iGd->CreateBitmapContext(iGc)); |
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if (iWin) |
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iDrawTextLayoutContext->SetWindowGc((CWindowGc *)iGc); |
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111 |
else |
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iDrawTextLayoutContext->SetBitmapGc(iGc); |
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} |
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114 |
|
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void RScreenDisplay::CreateContextL(CBitmapDevice *aGd) |
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// |
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//Create and activate the main Graphics Context |
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// |
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{ |
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CBitmapContext* localGc; |
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localGc=NULL; |
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//__ASSERT_DEBUG(iGc==NULL,FormPanic(EFGcNotSet)); |
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User::LeaveIfError(aGd->CreateBitmapContext(localGc)); |
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delete iGc; |
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iGc=NULL; |
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iGc=localGc; |
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iGd=aGd; |
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if (iWin) |
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iDrawTextLayoutContext->SetWindowGc((CWindowGc *)iGc); |
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else |
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iDrawTextLayoutContext->SetBitmapGc(iGc); |
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} |
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133 |
|
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void RScreenDisplay::SetWindow(RWindow *aWin) |
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// |
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{ |
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|
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iWin=aWin; |
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} |
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140 |
|
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void RScreenDisplay::SetGraphicsDeviceL(CBitmapDevice *aGd) |
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// |
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{ |
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144 |
|
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//DestroyContexts(); |
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//iGd=aGd; |
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CreateContextL(aGd); |
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} |
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149 |
|
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void RScreenDisplay::SetInvalidRect(const TRect& aRect) |
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// |
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{ |
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153 |
|
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iInvalidRect=aRect; |
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} |
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156 |
|
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void RScreenDisplay::SetInvalidRect(TInt aHeight) |
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// |
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//Set the clipping region to the top or bottom abs(aHeight) pixels of the screen |
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//aHeight<0 ==> bottom of the screen |
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// |
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{ |
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163 |
|
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iInvalidRect=iDrawTextLayoutContext->iViewRect; |
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if (aHeight<0) |
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iInvalidRect.iTl.iY=iInvalidRect.iBr.iY+aHeight; |
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167 |
else |
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iInvalidRect.iBr.iY=iInvalidRect.iTl.iY+aHeight; |
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} |
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170 |
|
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void RScreenDisplay::SetInvalidRectHorizontal(TInt aWidth) |
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// |
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//Set the clipping region to the left or right abs(aHeight) pixels of the screen |
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//aWidth<0 ==> right of the screen |
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// |
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{ |
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|
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iInvalidRect=iDrawTextLayoutContext->TextArea(); |
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if (aWidth<0) |
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iInvalidRect.iTl.iX=iInvalidRect.iBr.iX+aWidth; |
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else |
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iInvalidRect.iBr.iX=iInvalidRect.iTl.iX+aWidth; |
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} |
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184 |
|
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void RScreenDisplay::SetRects(TUint aRects) |
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// |
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//Set the clipping region to the union of rectangles specified in the enum |
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// |
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{ |
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|
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iRects=aRects; |
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} |
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|
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void RScreenDisplay::AddRects(TUint aRects) |
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// |
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{ |
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|
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iRects|=aRects; |
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} |
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|
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void RScreenDisplay::SubRects(TUint aRects) |
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// |
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{ |
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|
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iRects&=EFClipAllFlags-aRects; |
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} |
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|
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|
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TRect RScreenDisplay::ClippingRect() |
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// |
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{ |
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|
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TRect clipRect(iDrawTextLayoutContext->iViewRect); |
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|
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if (!(iRects&EFClipViewRect)) |
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{ |
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if (iRects&EFClipTextArea) |
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clipRect=iDrawTextLayoutContext->TextArea(); |
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else if (iRects&EFClipLineCursor) |
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clipRect=LineCursorMargin(); |
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if (iRects&EFClipExtendedViewRect && iTextLayout) |
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iTextLayout->HighlightExtensions().ExtendRect(clipRect); |
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if (iRects&EFClipExtendedTextArea) |
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{ |
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clipRect=iDrawTextLayoutContext->TextArea(); |
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if (iTextLayout) |
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iTextLayout->HighlightExtensions().ExtendRect(clipRect); |
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} |
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} |
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if (iRects&EFClipInvalid) |
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clipRect.Intersection(iInvalidRect); |
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return clipRect; |
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} |
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234 |
|
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235 |
|
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void RScreenDisplay::ResetClippingRect() |
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{ |
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TRect clipRect=ClippingRect(); |
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iGc->SetClippingRect(clipRect); |
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} |
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|
241 |
|
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void RScreenDisplay::BlastBitmap(const TPoint& aPoint,const CFbsBitmap* aBitmap,const TRect& aRect) |
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// |
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// Blast bitmap to screen |
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245 |
// |
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246 |
{ |
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iGc->BitBlt(aPoint,aBitmap,aRect); |
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} |
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249 |
|
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void RScreenDisplay::DrawPictureFrame(TFrameOverlay* aPictureFrame,const TRect& aLineRect) |
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251 |
// |
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// Draw a frame overlay, using XOR brush. Therefore if frame visible, the frame will disappear, |
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// and vice versa. |
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254 |
// |
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255 |
{ |
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TRect clipRect=ClippingRect(); |
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clipRect.Intersection(aLineRect); |
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iGc->SetClippingRect(clipRect); |
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iGc->SetPenSize(TSize(1,1)); |
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aPictureFrame->XorDraw(*iGc); |
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ResetClippingRect(); |
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262 |
} |
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263 |
|
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void RScreenDisplay::Invalidate(TRect aRect) |
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265 |
// |
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//Invalidate the view rect |
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267 |
// |
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268 |
{ |
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if (iWin) |
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iWin->Invalidate(aRect); |
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} |
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272 |
|
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void RScreenDisplay::SetTextCursor(TPoint aPos, const TTextCursor &aCursor) |
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274 |
// |
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//Display a cursor at position aPos |
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276 |
// |
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277 |
{ |
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if (iWin && iGroupWin) |
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279 |
{ |
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aPos.iX+=iDrawTextLayoutContext->iTextStartX; |
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iGroupWin->SetTextCursor(*iWin,aPos,aCursor,iDrawTextLayoutContext->TextArea()); |
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282 |
} |
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|
283 |
} |
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|
284 |
|
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void RScreenDisplay::RemoveTextCursor() |
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286 |
// |
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//Remove cursor from window |
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288 |
// |
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|
289 |
{ |
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|
290 |
|
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291 |
if (iGroupWin) |
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iGroupWin->CancelTextCursor(); |
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|
293 |
} |
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|
294 |
|
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void RScreenDisplay::ClearRect(const TRect& aRect) |
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296 |
// |
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//Clear a rectangle on the screen |
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298 |
// |
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|
299 |
{ |
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300 |
if (iTextLayout) |
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|
301 |
{ |
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TPoint top_left = iDrawTextLayoutContext->TopLeftText(); |
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|
303 |
iTextLayout->DrawBackground(*iGc,top_left,aRect,iBackground); |
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|
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ResetClippingRect(); |
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|
305 |
} |
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306 |
else |
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|
307 |
{ |
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Revision: 201003
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|
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iGc->SetBrushColor(iBackground); |
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iGc->Clear(aRect); |
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310 |
} |
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|
311 |
} |
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|
312 |
|
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Revision: 201003
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313 |
void RScreenDisplay::InvertRect(TRect aRect,const TRgb aInvertColor) |
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|
314 |
{ |
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Revision: 201003
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315 |
aRect.Move(iDrawTextLayoutContext->iTextStartX,0); |
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|
316 |
iGc->SetDrawMode(CGraphicsContext::EDrawModeXOR); |
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|
317 |
iGc->SetBrushColor(aInvertColor); |
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|
318 |
iGc->Clear(aRect); |
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|
319 |
iGc->SetBrushColor(iBackground); |
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Revision: 201003
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|
320 |
iGc->SetDrawMode(CGraphicsContext::EDrawModePEN); |
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} |
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void RScreenDisplay::Scroll(TRect aRect,const TPoint& aBy,TBool aScrollBackground) |
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{ |
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if (iWin) |
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{ |
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if (!aScrollBackground || (iTextLayout && iTextLayout->CustomDraw())) |
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{ |
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aRect.Move(aBy); |
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iWin->Invalidate(aRect); |
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} |
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else |
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iWin->Scroll(aBy,aRect); |
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} |
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return; |
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} |
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|
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void RScreenDisplay::Flush() |
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{ |
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if (iSession) |
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iSession->Flush(); |
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} |
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|
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TBool RScreenDisplay::IsLineCursor() const |
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{ |
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return iDrawTextLayoutContext->IsGutterMargin(); |
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} |
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|
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TRect RScreenDisplay::LineCursorMargin() const |
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{ |
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return iDrawTextLayoutContext->GutterMargin(); |
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} |
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|
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TPoint RScreenDisplay::TopLeftTextArea() const |
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{ |
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return iDrawTextLayoutContext->TopLeftTextArea(); |
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} |
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|
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void RScreenDisplay::SetLayout(CTextLayout* aLayout) |
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{ |
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iTextLayout = aLayout; |
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iTextLayout->SetWindow(iWin); |
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} |
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CTextLayout* RScreenDisplay::Layout() |
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{ |
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return iTextLayout; |
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} |
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|
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TBool RScreenDisplay::UseWindowGc() const |
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{ |
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return iDrawTextLayoutContext->UseWindowGc(); |
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} |