--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/textrendering/textformatting/inc/FRMVIS.H Tue Feb 02 02:02:46 2010 +0200
@@ -0,0 +1,128 @@
+/*
+* Copyright (c) 1997-2009 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:
+*
+*/
+
+
+#ifndef __FRMVIS_H__
+#define __FRMVIS_H__
+
+#include <e32std.h>
+#include <e32base.h>
+
+class RReadStream;
+class RWriteStream;
+
+/**
+A set of flags to indicate which non-printing characters (e.g. space, tab,
+paragraph break, etc.) should be drawn using symbols. By default, all
+non-printing characters are hidden.
+
+An instance of this class is used in
+CTextLayout::SetNonPrintingCharsVisibility().
+@publishedAll
+@released
+*/
+class TNonPrintingCharVisibility
+
+ {
+private:
+ enum TShowFormatChars
+ {
+ EFNothingVisible=0x000,
+ EFTabsVisible=0x001,
+ EFSpacesVisible=0x002,
+ EFParagraphDelimitersVisible=0x004,
+ EFLineBreaksVisible=0x008,
+ EFPotentialHyphensVisible=0x010,
+ EFNonBreakingHyphensVisible=0x020,
+ EFNonBreakingSpacesVisible=0x040,
+ EFPageBreaksVisible=0x080,
+ EFEverythingVisible=0xffffffff
+ };
+public:
+ IMPORT_C TNonPrintingCharVisibility();
+ IMPORT_C TNonPrintingCharVisibility(const TNonPrintingCharVisibility& aVisibility);
+ IMPORT_C TNonPrintingCharVisibility& operator=(const TNonPrintingCharVisibility& aVisibility);
+ IMPORT_C void ExternalizeL(RWriteStream& aStream)const;
+ IMPORT_C void InternalizeL(RReadStream& aStream);
+ IMPORT_C void SetAllVisible();
+ IMPORT_C void SetNoneVisible();
+ IMPORT_C void SetTabsVisible(TBool aVisible);
+ IMPORT_C void SetSpacesVisible(TBool aVisible);
+ IMPORT_C void SetParagraphDelimitersVisible(TBool aVisible);
+ IMPORT_C void SetLineBreaksVisible(TBool aVisible);
+ IMPORT_C void SetPotentialHyphensVisible(TBool aVisible);
+ IMPORT_C void SetNonBreakingHyphensVisible(TBool aVisible);
+ IMPORT_C void SetNonBreakingSpacesVisible(TBool aVisible);
+ IMPORT_C void SetPageBreaksVisible(TBool aVisible);
+
+ /** Tests whether all non-printing characters are visible.
+ @return ETrue if all non-printing characters are visible. EFalse if any or
+ all hidden. */
+ inline TBool AllVisible()const{return iVisible==EFEverythingVisible;};
+
+ /** Tests whether all non-printing characters are hidden.
+ @return ETrue if all non-printing characters are hidden. EFalse if any are
+ visible. */
+ inline TBool NoneVisible()const{return iVisible==EFNothingVisible;};
+
+ /** Tests whether tab stop characters are visible.
+ @return ETrue if tab stop characters are visible. EFalse if hidden. */
+ inline TBool TabsVisible()const{return iVisible&EFTabsVisible;};
+
+ /** Tests whether space characters are visible.
+
+ Note: To get the the visibility of non-breaking space characters, use
+ NonBreakingSpacesVisible() instead.
+ @return ETrue if space characters are visible. EFalse if hidden. */
+ inline TBool SpacesVisible()const{return iVisible&EFSpacesVisible;};
+
+ /** Tests whether paragraph delimiters are visible.
+ @return ETrue if paragraph delimiters are visible. EFalse if hidden. */
+ inline TBool ParagraphDelimitersVisible()const{return iVisible&EFParagraphDelimitersVisible;};
+
+ /** Tests whether forced line break characters are visible.
+ @return ETrue if forced line break characters are visible. EFalse if hidden.
+ */
+ inline TBool LineBreaksVisible()const{return iVisible&EFLineBreaksVisible;};
+
+ /** Tests whether potential hyphen characters (inserted before a line break
+ within a word) are visible.
+
+ @return ETrue if potential hyphen characters are visible. EFalse if hidden.
+ */
+ inline TBool PotentialHyphensVisible()const{return iVisible&EFPotentialHyphensVisible;};
+
+ /** Tests whether non-breaking hyphens (enclosing word is always kept on
+ the same line) are visible.
+ @return ETrue if non-breaking hyphens are visible. EFalse if hidden. */
+ inline TBool NonBreakingHyphensVisible()const{return iVisible&EFNonBreakingHyphensVisible;};
+
+ /** Tests whether non-breaking spaces are visible.
+ @return ETrue if non-breaking spaces are visible. EFalse if hidden. */
+ inline TBool NonBreakingSpacesVisible()const{return iVisible&EFNonBreakingSpacesVisible;};
+
+ /** Tests whether page break characters are visible.
+ @return ETrue if page break characters are visible. EFalse if hidden. */
+ inline TBool PageBreaksVisible()const{return iVisible&EFPageBreaksVisible;};
+
+private:
+ TUint32 iVisible;
+ };
+
+#endif
+
+