--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/wvuing/wvuiave/AppSrc/MCATextView.h	Thu Dec 17 08:41:52 2009 +0200
@@ -0,0 +1,161 @@
+/*
+* Copyright (c) 2002-2005 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:  Interface for text viewer
+*
+*/
+
+
+
+#ifndef MCATEXTVIEW_H
+#define MCATEXTVIEW_H
+
+#include <frmtlay.h> // TCursorSelection
+
+// CLASS DECLARATION
+class TPointerEvent;
+
+/**
+*  Interface for text viewer
+*
+*  @lib chat.app
+*  @since Series 60 3.0
+*/
+class MCATextView
+    {
+    public: // Enumerations
+
+        enum TPenBehaviour
+            {
+            EPenForwardToChild = 0,
+            EPenForwardToParent,
+            EPenProcessEvent,
+            EPenIgnoreEvent
+            };
+
+    public: // New functions
+
+        /**
+         * Handles changed format.
+         * @param aChanged Changed section of rich text
+         * @param aPreserveFocus ETrue : Keeps focus of text control in place
+         *                       EFalse : Focus moves with changes
+         */
+        virtual void HandleFormatChangedL( TCursorSelection& aChanged,
+                                           TBool aPreserveFocus = EFalse ) = 0;
+
+        /**
+         * Handles insertion and deletion
+         * @param aChanged Changed section of rich text. If this function is
+         *                 being used to handle deletion only, this argument
+         *                 should be of length zero and its start position
+         *                 should be the beginning of the deletion.
+         * @param aDeletedChars The number of deleted characters. Specify zero
+         *                 if this function is being used to handle insertion
+         *                 only.
+         */
+        virtual void HandleInsertDeleteL( TCursorSelection& aChanged,
+                                          TInt aDeletedChars ) = 0;
+
+        /**
+         * Handles addition of text
+         * @param aFirst Should be set to ETrue if
+         *               this is the first addition of text
+         * @param aSelection Selection
+         * @param aTop If selection doesn't fit to screen, should the top of the
+         *        selection be visible. I.e. If ETrue, top of the message is shown.
+         *        if EFalse, bottom of the message is shown.
+         */
+        virtual void HandleAdditionL( TBool aFirst, TCursorSelection& aSelection,
+                                      TBool aTop ) = 0;
+
+        /**
+         * Scrolls selection to screen and updates scroll bars
+         * @param aSelection Selection
+         * @param aTop If selection doesn't fit to screen, should the top of the
+         *        selection be visible. I.e. If ETrue, top of the message is shown.
+         *        if EFalse, bottom of the message is shown.
+         */
+        virtual void ScrollVisibleL( TCursorSelection& aSelection, TBool aTop ) = 0;
+
+        /**
+         * @return Current scroll selection (i.e. the visible part)
+         */
+        virtual TCursorSelection ScrollSelection() = 0;
+
+        /**
+         * Scrolls view up or down
+         * @param aAmount Amount of lines to be scrolled
+         * Use negative values for scrolling up
+         */
+        virtual void ScrollLinesL( TInt aAmount ) = 0;
+
+        /**
+         * @return ETrue if aPos is visible on screen, EFalse otherwise.
+         */
+        virtual TBool IsVisible( TInt aPos ) = 0;
+
+        /**
+         * @return ETrue if the paragraph in aPos fits to screen
+         */
+        virtual TBool ParagraphFits( TInt aPos ) = 0;
+
+        /**
+         * Redraws the view
+         */
+        virtual void Redraw() = 0;
+
+        /**
+         * Sets the behaviour of this control to pointer events.
+         * see TPenBehaviour for more detailed info.
+         * @param aPen How this control should react to pointer events
+         */
+        virtual void SetPenBehaviour( TPenBehaviour aPen ) = 0;
+
+        /**
+         * Return current pen behaviour state. Determines how this control
+         * reacts to pointer events.
+         * @return Current pen behaviour
+         */
+        virtual TPenBehaviour PenBehaviour() = 0;
+
+        /**
+         * Reformats the view after a global change has been made to the layout,
+         * but without causing a redraw.
+         * @since S60 v3.2
+         * @param aYPosQualifier Specifies whether the visible area is to be
+         *                       filled and whether the top line should be made
+         *                       fully visible if possible.
+         */
+        virtual void HandleGlobalChangeNoRedrawL(
+            TViewYPosQualifier aYPosQualifier = TViewYPosQualifier() ) = 0;
+
+    protected:
+
+        /**
+         * This gets called when the pointer event is inside the text message.
+         * @param aPointerEvent Pointer event
+         */
+        virtual void ProcessStylusEventL(
+            const TPointerEvent& aPointerEvent ) = 0;
+
+        /**
+         * Destructor.
+         */
+        virtual ~MCATextView() {};
+
+    };
+
+#endif      // MCATEXTVIEW_H
+
+// End of File