--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/textrendering/textformatting/inc/InlineText.h Fri Jun 04 10:37:54 2010 +0100
@@ -0,0 +1,97 @@
+/*
+* Copyright (c) 2003-2009 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 INLINETEXT_H_
+#define INLINETEXT_H_
+
+#include <e32std.h>
+#include <tagma.h>
+
+/**
+@publishedPartner
+*/
+const TUid KInlineTextApiExtensionUid = { 0x101FD03D };
+
+
+/**
+Class used to provide custom formatting functionality within Form
+as an extended interface (via the GetExtendedInterface mechanism
+supplied in MTmSource). Basically allows inline text insertion,
+that is, insertion of non-backing store text into the CTmTextLayout
+formatting data used when drawing to the graphics device.
+
+Implementors of derived classes need to ensure that, in addition
+to anything else it does, their overload of GetExtendedInterface
+reacts to being prompted with the UID KInlineTextApiExtensionUid
+by returning their class cast as an MTmInlineTextSource. It should
+also invoke GetExtendedInterface on its other parent for any
+unrecognised UIDs.
+
+@publishedPartner
+@released
+@see MTmSource::GetExtendedInterface
+@see MFormCustomInterfaceProvider
+*/
+class MTmInlineTextSource
+ {
+public:
+ /**
+ Reports the next position into which inline text should be inserted
+ @param aFrom
+ The document position and character edge to start from.
+ @param aMaxLength
+ The maximum length within which to report inline text.
+ It means that inline text at position X should be reported if
+ aFrom <= X && X < aFrom + aMaxLength.
+ Also report trailing inline text at position aFrom + aMaxLength
+ because it is really attached to the preceding character.
+ Always report only the first inline text position >= aFrom.
+ @param aNext
+ On exit the position of the next bit of inline text to be inserted.
+ N.B. The position of trailing text following position N and the
+ position of leading text preceding position N+1 are both
+ considered to be N+1 - and the trailing text comes first so if
+ aFrom specifies a leading edge do not report trailing edge
+ inline text unless its position is greater than aFrom.
+ A panic EBadReturnValue will result otherwise.
+ @return
+ KErrNone if a position is found within the specified range,
+ KErrNotFound otherwise.
+ @post
+ if KErrNone returned then aFrom <= aNext
+ && GetInlineText(aNext).Length() != 0
+ && (GetInlineText(X).Length() == 0 for all
+ TTmDocPos X such that aFrom < X && X < aNext)
+ else if KErrNotFound returned
+ GetInlineText(X).Length() == 0 for all
+ TTmDocPos X such that aFrom <= X && X < aFrom + aMaxLength
+ */
+ virtual TInt GetNextInlineTextPosition(const TTmDocPos& aFrom, TInt aMaxLength, TTmDocPos& aNext) = 0;
+
+ /**
+ Gets a view of the text to be inserted at aAt.
+ @param aAt
+ Document position, including character edge, being queried.
+ @return
+ Any inline text that should be attached to the specified character edge at aAt.
+ */
+ virtual TPtrC GetInlineText(const TTmDocPos& aAt) = 0;
+ };
+
+#endif // INLINETEXT_H_
+