--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/classicui_plat/editors_api/inc/EikCcpu.h	Fri Jul 23 17:08:56 2010 +0800
@@ -0,0 +1,229 @@
+/*
+* Copyright (c) 2002-2006 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:  Provides support for cut, copy, paste and
+*                undo functionality in editors.
+*
+*/
+
+
+#ifndef EIKCCPU_H
+#define EIKCCPU_H
+
+#include <coecntrl.h>
+#include <eikdef.h>
+#include <eikmobs.h>
+#include <babitflags.h>
+#include <AknControl.h>
+
+class CEikButtonGroupContainer;
+class CEikMenuBar;
+
+
+/**
+ * Interface for cut, copy, paste and undo functionality.
+ */
+class MEikCcpuEditor
+	{
+public:
+    /**
+     * Derived classes must provide the implementation for
+     * following:
+     *
+     * Tests whether the editor is focused.
+     * 
+     * @return If editor is focused, @c ETrue is returned.
+     */
+	virtual TBool CcpuIsFocused() const = 0;
+	
+    /**
+     * Derived classes must provide the implementation for
+     * following:
+     *
+     * Tests whether the selected text can be cut.
+     * 
+     * @return @c ETrue if it is possible to cut the selected text.
+     */
+	virtual TBool CcpuCanCut() const = 0;
+	
+    /**
+     * Derived classes must provide the implementation for
+     * following:
+     *
+     * Cuts selected text.
+     */
+	virtual void CcpuCutL() = 0;
+	
+    /**
+     * Derived classes must provide the implementation for
+     * following:
+     *
+     * Tests whether the selected text can be copied.
+     * 
+     * @return @c ETrue if it is possible to copy the selected text.
+     */	
+	virtual TBool CcpuCanCopy() const = 0;
+
+    /**
+     * Derived classes must provide the implementation for
+     * following:
+     *
+     * Copies selected text.
+     */	
+	virtual void CcpuCopyL() = 0;
+	
+    /**
+     * Derived classes must provide the implementation for
+     * following:
+     *
+     * Tests whether text can be pasted from the clipboard.
+     * 
+     * @return @c ETrue if it is possible to paste the clipboard text.
+     */	
+	virtual TBool CcpuCanPaste() const = 0;
+
+    /**
+     * Derived classes must provide the implementation for
+     * following:
+     *
+     * Pastes text from the clipboard to the editor.
+     */	
+	virtual void CcpuPasteL() = 0;
+	
+	/**
+     * Derived classes must provide the implementation for
+     * following:
+     *
+     * Tests is it possible to undo previous operation.
+     * 
+     * @return @c ETrue if it is possible to undo previous operation.
+     */	
+	virtual TBool CcpuCanUndo() const = 0;
+	
+    /**
+     * Derived classes must provide the implementation for
+     * following:
+     *
+     * Undoes the most recent text operation when the editor supports this
+     * feature and when the undo store is not empty
+     */	
+	virtual void CcpuUndoL() = 0;
+	};
+
+/**
+ * Cut, copy, paste and undo support class. Takes care
+ * of CBA handling and menu command processing when FEP
+ * instructs this control to activate the commands
+ * for ccpu operations.
+ */
+class CAknCcpuSupport : public CAknControl, public MEikMenuObserver
+	{
+public:
+    /**
+     * Constructor. ConstructL() must be called after a call
+     * to this function.
+     *
+     * @param aEditor A pointer to the editor implementing the
+     * MEikCcpuEditor interface.
+     */
+	IMPORT_C CAknCcpuSupport(MEikCcpuEditor* aEditor);
+	
+	/**
+	 * Destructor.
+	 */
+	IMPORT_C ~CAknCcpuSupport();
+	
+	/**
+	 * 2nd phase constructor.
+	 *
+	 * Adds this control to the control stack.
+	 */
+	IMPORT_C void ConstructL();
+
+    /**
+     * Updates the CBA labels according to selection and
+     * clipboard contents.
+     */
+	IMPORT_C void HandleSelectionChangeL();
+	
+	/**
+	 * Updates the CBA labels according to editor focus
+	 * state.
+	 */
+	IMPORT_C void HandleFocusChangeL();
+
+	// from CCoeControl
+    
+    /**
+     * Responds to key presses.
+     * 
+     * Overrides CCoeControl::OfferKeyEventL().
+     * 
+     * @param aKeyEvent The key event.
+     * @param aType Not used.
+     * @return Indicates whether or not the key event was consumed.
+     */	
+	IMPORT_C TKeyResponse OfferKeyEventL(const TKeyEvent& aKeyEvent,TEventCode aType);
+
+    /**
+     * From @c CCoeControl.
+     * 
+     * Handles pointer events.
+     *
+     * @param aPointerEvent The pointer event.
+     */
+    IMPORT_C void HandlePointerEventL(const TPointerEvent& aPointerEvent);
+
+	// from MEikMenuObserver
+	
+	/**
+	 * From MEikMenuObserver.
+	 * 
+	 * Dynamically initialises a menu pane.
+	 *
+	 * @param aResourceId Resource ID of the menu.
+	 * @param aMenuPane The in-memory representation of the menu pane.
+	 */
+	IMPORT_C void DynInitMenuPaneL(TInt aResourceId,CEikMenuPane* aMenuPane);
+
+    /**
+     * From MEikCommandObserver.
+     *
+     * Processes user commands.
+     *
+     * @param aCommandId ID of the command to respond to.
+     */
+	IMPORT_C void ProcessCommandL(TInt aCommandId);
+
+private:
+	void UpdateCBALabelsL();
+	TBool UpdateCBALabelL(TInt aPosition, TInt aCommandId, TInt aTextResId);
+	void SetEmphasis(CCoeControl* aMenuControl,TBool aEmphasis);
+
+private:
+    /**
+    * From CAknControl
+    */
+    IMPORT_C void* ExtensionInterface( TUid aInterface );
+private:
+	TBitFlags iFlags;
+
+	// Owned
+	CEikButtonGroupContainer* iCba;
+
+	// Not owned
+	CEikMenuBar* iMenu;
+	MEikCcpuEditor* iEditor;
+	};
+
+#endif // EIKCCPU_H