classicui_pub/buttons_api/inc/EIKBTGPC.H
changeset 0 2f259fa3e83a
child 18 fcdfafb36fe7
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/classicui_pub/buttons_api/inc/EIKBTGPC.H	Tue Feb 02 01:00:49 2010 +0200
@@ -0,0 +1,1290 @@
+/*
+* Copyright (c) 2002-2007 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:  EIKON button group container class definition.
+*
+*/
+
+
+#ifndef __EIKBTGPC_H__
+#define __EIKBTGPC_H__
+
+#include <coecntrl.h>
+#include <eikbtgrp.h>
+#include <eikcmobs.h>
+#include <lafpublc.h>
+#include <uikon.hrh>
+
+#include <AknControl.h>
+
+class MEikCommandObserver;
+class CEikButtonGroupStack;
+class CEikCommandButton;
+class CEikListBox;
+
+/**
+ * The CEikButtonGroupContainer class provides a wrapper around the different button arrays
+ * used in pen and no-pen devices. 
+ *
+ * @lib eikcoctl.lib 
+ * @since S60 0.9 
+ */
+NONSHARABLE_CLASS(CEikButtonGroupContainer) : public CAknControl, public MEikCommandObserver
+    {
+public:
+    /** 
+     * Declares an object type for a class, in order to allow the object
+     * provider mechanism to locate and provide objects from the class.
+     */
+    DECLARE_TYPE_ID(0x101F4107)
+
+    /**
+     * Describes how the container is being used.
+     *
+     * The enumeration is used by the system to create the appropriate (UI variant-specific)
+     * button group for the specified type.
+     */
+    enum TUse
+        {
+        EView          = SLafButtonGroupContainer::EView,         ///< In a view.
+        EDialog        = SLafButtonGroupContainer::EDialog,       ///< In a dialog.
+        EToolbar       = SLafButtonGroupContainer::EToolbar,      ///< In a toolbar.
+        ECba           = SLafButtonGroupContainer::ECba,          ///< In a control button array.
+        EDialogButtons = SLafButtonGroupContainer::EDialogButtons ///< In dialog buttons.
+        };
+        
+    /**
+     * Describes the orientation of the container.
+     */        
+    enum TOrientation
+        {
+        EVertical   = SLafButtonGroupContainer::EVertical,  ///< Buttons are laid out vertically.
+        EHorizontal = SLafButtonGroupContainer::EHorizontal ///< Buttons are laid out horizontally.
+        };
+        
+    /**
+     * Relative positions of the container and the control which uses it.
+     */        
+    enum TLocation
+        {
+        /** The button group is internal to the control which is using it. E.g. dialog buttons. */
+        EInternal   = SLafButtonGroupContainer::EInternal, 
+        
+        /** The button group is external to the control which is using it. E.g. toolbar or cba. */
+        EExternal   = SLafButtonGroupContainer::EExternal  
+        };
+        
+    /**
+     * Flags for the display of hotkeys.
+     */        
+    enum THotKeyFlags
+        {
+        EShowHotKey      = 0x01, ///< Hotkeys for commands should be shown.
+        EPlainHotKey     = 0x02  ///< Hotkeys for commands should not be shown.
+        };
+        
+    /** 
+     * Additional flags.
+     */         
+    enum TFlags
+        {
+        EAddToStack      = 0x01, ///< Not used.
+        EDelayActivation = 0x02, ///< If set, the container is not activated during construction.
+        EUseMaxSize      = 0x04,  ///< Not used.
+        EIsEmbedded      = 0x08, ///< Embedded in a dialog or popup.
+        EParentIsControl = 0x10  ///< Parent window group is treated as CCoeControl.
+        };
+        
+    /**
+     * Defines the positions for each command.   
+     */   
+    enum TCommandPosition
+        {
+        ELeftSoftkeyPosition    = 0, ///< Position for left softkey.
+        ERightSoftkeyPosition   = 2, ///< Position for right softkey.
+        EMiddleSoftkeyPosition  = 3  ///< Position for middle softkey.
+        };
+        
+public:
+    /**
+     * Creates a button group container in its own window.
+     *
+     * @param aUse The button group's type. 
+     * @param aOrientation The button group's orientation. You need specify this 
+     *                     only for devices that can layout their buttons either 
+     *                     horizontally or vertically.
+     * @param aCommandObserver A command observer to be notified of commands on 
+     *                         the container.
+     * @param aResourceId A resource containing descriptions of buttons in the group. 
+     *                    This can be NULL if buttons are to be added dynamically.
+     * @param aFlags The button group's flags.
+     * @return Button group container object.
+     */ 
+    IMPORT_C static CEikButtonGroupContainer* NewL(
+        TUse aUse,
+        TOrientation aOrientation,
+        MEikCommandObserver* aCommandObserver,
+        TInt aResourceId,
+        TUint aFlags = EAddToStack);
+
+    /**
+     * Creates a button group container in its parent control's window.
+     *
+     * @param aUse The button group's type.
+     * @param aOrientation The button group's orientation. You need specify this 
+     *                     only for devices that can layout their buttons either 
+     *                     horizontally or vertically.
+     * @param aCommandObserver A command observer to be notified of commands on 
+     *                         the container.
+     * @param aResourceId A resource containing descriptions of buttons in the group. 
+     *                    This can be NULL if buttons are to be added dynamically.
+     * @param aParent The control's parent.
+     * @param aFlags The button group's flags.
+     * @return Button group container object.
+     */         
+    IMPORT_C static CEikButtonGroupContainer* NewL(
+        TUse aUse,
+        TOrientation aOrientation,
+        MEikCommandObserver* aCommandObserver,
+        TInt aResourceId,
+        const CCoeControl& aParent,
+        TUint aFlags = EAddToStack);
+
+    /**
+     * Creates a button group container in given window group.
+     *
+     * @param aUse The button group's type.
+     * @param aOrientation The button group's orientation. You need specify this 
+     *                     only for devices that can layout their buttons either 
+     *                     horizontally or vertically.
+     * @param aCommandObserver A command observer to be notified of commands on 
+     *                         the container.
+     * @param aResourceId A resource containing descriptions of buttons in the group. 
+     *                    This can be NULL if buttons are to be added dynamically.
+     * @param aParentWg The parent window group.
+     * @param aFlags The button group's flags.
+     * @return Button group container object.
+     */        
+    IMPORT_C static CEikButtonGroupContainer* NewL(
+        TUse aUse,
+        TOrientation aOrientation,
+        MEikCommandObserver* aCommandObserver,
+        TInt aResourceId,
+        RWindowGroup& aParentWg,
+        TUint aFlags = EAddToStack);
+
+    /**
+     * Destructor.
+     */        
+    IMPORT_C ~CEikButtonGroupContainer();
+
+    /**
+     * Gets a pointer to an application's currently active CEikButtonGroupContainer (if any).
+     *
+     * Returns NULL if there are no containers active or none suitable for sharing. 
+     * Ownership of the returned pointer is not transferred.
+     *
+     * @return Pointer to the button group container.
+     */    
+    IMPORT_C static CEikButtonGroupContainer* Current();
+    
+public:
+    /**
+     * Sets a command button's text label and command ID.
+     *
+     * @param aPosition The position within the button group of the button to change.
+     *                  If the position is out of range this function raises a panic.
+     * @param aCommandId Command ID the button will send.
+     * @param aText Text for the button.
+     */
+    inline void SetCommandL(
+        TInt aPosition, 
+        TInt aCommandId, 
+        const TDesC& aText);
+
+    /**
+     * Sets a command button's bitmap and command ID.
+     *
+     * @param aPosition The position within the button group of the button to change. 
+     *                  If the position is out of range this function raises a panic.
+     * @param aCommandId Command ID the button will send.
+     * @param aBitmap The bitmap for the button.
+     * @param aMask The mask bitmap for aBitmap.
+     */    
+    inline void SetCommandL(
+        TInt aPosition, 
+        TInt aCommandId, 
+        const CFbsBitmap& aBitmap,
+        const CFbsBitmap& aMask);
+
+    /**
+     * Sets a command button's bitmap, text and command ID.
+     *
+     * @param aPosition The position within the button group of the button to change. 
+     *                  If the position is out of range, the function raises a panic.
+     * @param aCommandId Command ID the button will send.
+     * @param aText The text for the button.
+     * @param aBitmap The bitmap for the button.
+     * @param aMask The mask bitmap for aBitmap.
+     */        
+    inline void SetCommandL(
+        TInt aPosition, 
+        TInt aCommandId, 
+        const TDesC& aText,
+        const CFbsBitmap& aBitmap,
+        const CFbsBitmap& aMask);
+
+    /**
+     * Sets a command button's bitmap and command ID. The bitmap and its mask are read
+     * from a file.
+     *
+     * @param aPosition The position within the button group of the button to change.
+     *                  If the position is out of range, the function raises a panic.
+     * @param aCommandId Command ID the button will send.
+     * @param aFile A multi-bitmap file, containing mask and bitmap images.
+     * @param aBitmapId ID of the bitmap within aFile.
+     * @param aMaskId ID of the mask within aFile.
+     */        
+    inline void SetCommandL(
+        TInt aPosition, 
+        TInt aCommandId, 
+        const TDesC& aFile,
+        TInt aBitmapId,
+        TInt aMaskId);
+
+    /**
+     * Sets a command button's bitmap, text label and command ID. The bitmap and its 
+     * mask are read from a file.
+     *
+     * @param aPosition The position within the button group of the button to change.
+     *                  If the position is out of range, the function raises a panic.
+     * @param aCommandId Command ID the button will send.
+     * @param aText The text for the button.
+     * @param aFile A multi-bitmap file, containing mask and bitmap images.
+     * @param aBitmapId ID of the bitmap within aFile.
+     * @param aMaskId ID of the mask within aFile.
+     */        
+    inline void SetCommandL(
+        TInt aPosition, 
+        TInt aCommandId, 
+        const TDesC& aText,
+        const TDesC& aFile,
+        TInt aBitmapId,
+        TInt aMaskId);
+
+    /**
+     * Sets a command button's bitmap, text label and command ID. The bitmap, mask,
+     * text and command ID are all read from resource.
+     *
+     * @param aPosition The position within the button group of the button to change.
+     *                  If the position is out of range, the function raises a panic.
+     * @param aResourceId Resource ID specifying the text, bitmaps and command ID.
+     */        
+    inline void SetCommandL(
+        TInt aPosition, 
+        TInt aResourceId);
+
+    /**
+     * Sets a command button's text. The button to change is identified by its command ID.
+     *
+     * @param aCommandId Command ID of the button to change.
+     * @param aText The text for the button.
+     * @leave KErrNotFound The ID cannot be matched to any button.
+     */        
+    inline void SetCommandL(
+        TInt aCommandId, 
+        const TDesC& aText);
+
+    /**
+     * Sets a command button's bitmap and mask. The button to change is identified 
+     * by its command ID.
+     *
+     * @param aCommandId Command ID of the button to change.
+     * @param aBitmap Bitmap for the button.
+     * @param aMask Mask bitmap for aBitmap.
+     * @leave KErrNotFound The ID cannot be matched to any button.
+     */        
+    inline void SetCommandL(
+        TInt aCommandId, 
+        const CFbsBitmap& aBitmap,
+        const CFbsBitmap& aMask);
+
+    /**
+     * Sets a command button's bitmap, mask and text. The button to change is 
+     * identified by its command ID.
+     *
+     * @param aCommandId Command ID of the button to change.
+     * @param aText Text for the button.
+     * @param aBitmap Bitmap for the button.
+     * @param aMask Mask bitmap for aBitmap.
+     */        
+    inline void SetCommandL(
+        TInt aCommandId, 
+        const TDesC& aText,
+        const CFbsBitmap& aBitmap,
+        const CFbsBitmap& aMask);
+
+    /**
+     * Sets a command button's bitmap and mask. The bitmap and mask are read from 
+     * a multi bitmap file. The button to change is identified by its command ID.
+     *
+     * @param aCommandId Command ID of the button to change.
+     * @param aFile A multi-bitmap file, containing mask and bitmap images.
+     * @param aBitmapId ID of the bitmap within aFile.
+     * @param aMaskId ID of the mask within aFile.
+     */        
+    inline void SetCommandL(
+        TInt aCommandId, 
+        const TDesC& aFile,
+        TInt aBitmapId,
+        TInt aMaskId);
+
+    /**
+     * Sets a command button's bitmap, mask and text. The bitmap and its mask are read 
+     * from a multi bitmap file. The button to change is identified by its command ID.
+     *
+     * @param aCommandId Command ID of the button to change.
+     * @param aText Text for the button.
+     * @param aFile  A multi-bitmap file, containing mask and bitmap images.
+     * @param aBitmapId ID of the bitmap within aFile.
+     * @param aMaskId ID of the mask within aFile.
+     */        
+    inline void SetCommandL(
+        TInt aCommandId, 
+        const TDesC& aText,
+        const TDesC& aFile,
+        TInt aBitmapId,
+        TInt aMaskId);
+
+    /**
+     * Initialises the group of command buttons from a resource.
+     *
+     * @param aResourceId ID of the resource structure specifying the command buttons.
+     */        
+    IMPORT_C void SetCommandSetL(
+        TInt aResourceId);   
+
+    /**
+     * Adds a command button with a text label and command ID.
+     *
+     * @param aPosition The position in the button group for the new button.
+     * @param aCommandId Command ID for the new button.
+     * @param aText Text for the button.          
+     */   
+    inline void AddCommandL(
+        TInt aPosition, 
+        TInt aCommandId,
+        const TDesC& aText);
+
+    /**
+     * Adds a command button with a bitmap label and command ID.
+     *
+     * @param aPosition The position in the button group for the new button.
+     * @param aCommandId Command ID for the new button.
+     * @param aBitmap Bitmap for the button.
+     * @param aMask Mask bitmap for aBitmap.
+     */        
+    inline void AddCommandL(
+        TInt aPosition, 
+        TInt aCommandId,
+        const CFbsBitmap& aBitmap,
+        const CFbsBitmap& aMask);
+
+    /**
+     * Adds a command button with a command ID and a label containing both 
+     * a bitmap and text.
+     *
+     * @param aPosition The position in the button group for the new button.
+     * @param aCommandId Command ID for the new button.
+     * @param aText Text for the button.
+     * @param aBitmap Bitmap for the button.
+     * @param aMask Mask bitmap for aBitmap.
+     */        
+    inline void AddCommandL(
+        TInt aPosition, 
+        TInt aCommandId,
+        const TDesC& aText,
+        const CFbsBitmap& aBitmap,
+        const CFbsBitmap& aMask);
+
+    /**
+     * Adds a command button with a command ID and a bitmap which is read from a file.
+     *
+     * @param aPosition The position in the button group for the new button.
+     * @param aCommandId Command ID for the new button.
+     * @param aFile Multi-bitmap file containing the bitmap and mask.
+     * @param aBitmapId ID of the bitmap within aFile.
+     * @param aMaskId ID of the mask within aFile.
+     */        
+    inline void AddCommandL(
+        TInt aPosition, 
+        TInt aCommandId,
+        const TDesC& aFile,
+        TInt aBitmapId,
+        TInt aMaskId);
+
+    /**
+     * Adds a command button with a command ID and a label containing both a bitmap 
+     * and text. The bitmap and mask are read from file.
+     *
+     * @param aPosition The position in the button group for the new button.
+     * @param aCommandId Command ID for the new button.
+     * @param aText Text for the button.
+     * @param aFile Multi-bitmap file containing the bitmap and mask.
+     * @param aBitmapId ID of the bitmap within aFile.
+     * @param aMaskId ID of the mask within aFile.
+     */        
+    inline void AddCommandL(
+        TInt aPosition, 
+        TInt aCommandId,
+        const TDesC& aText,
+        const TDesC& aFile,
+        TInt aBitmapId,
+        TInt aMaskId);
+
+    /**
+     * Pushes a command button with a text label and command ID onto a position's 
+     * button stack. This function behaves similarly to SetCommandL() but allows 
+     * the previous command button to be retrieved by calling RemoveCommandFromStack().
+     *
+     * @param aPosition The position in the button group at which to add the command button. 
+     * @param aCommandId Command ID the button will send.
+     * @param aText Text for the button.
+     */        
+    inline void AddCommandToStackL(
+        TInt aPosition,
+        TInt aCommandId,
+        const TDesC& aText);
+
+    /**
+     * Pushes a command button with a bitmap, mask and command ID onto a position's 
+     * button stack. This function behaves similarly to SetCommandL() but allows the 
+     * previous command button to be retrieved by calling RemoveCommandFromStack(). 
+     *
+     * @param aPosition The position in the button group at which to add the command button.
+     * @param aCommandId Command ID the button will send.
+     * @param aBitmap Bitmap for the button.
+     * @param aMask Mask bitmap for aBitmap.
+     */        
+    inline void AddCommandToStackL(
+        TInt aPosition,
+        TInt aCommandId,
+        const CFbsBitmap& aBitmap,
+        const CFbsBitmap& aMask);
+
+    /**
+     * Pushes a command button with text, bitmap, mask and a command ID onto a position's
+     * button stack. This function behaves similarly to SetCommandL() but allows the 
+     * previous command button to be retrieved by calling RemoveCommandFromStack().
+     *
+     * @param aPosition The position in the button group at which to add the command button.
+     * @param aCommandId Command ID the button will send.
+     * @param aText Text for the button.
+     * @param aBitmap Bitmap for the button.
+     * @param aMask Mask bitmap for aBitmap.
+     */        
+    inline void AddCommandToStackL(
+        TInt aPosition,
+        TInt aCommandId,
+        const TDesC& aText,
+        const CFbsBitmap& aBitmap,
+        const CFbsBitmap& aMask);
+
+    /**
+     * Pushes a command button with a bitmap, mask and command ID onto a position's button 
+     * stack. The bitmap and mask are read from a file. This function behaves similarly to 
+     * SetCommandL() but allows the previous command button to be retrieved by calling 
+     * RemoveCommandFromStack().
+     *
+     * @param aPosition The position in the button group at which to add the command button.
+     * @param aCommandId Command ID the button will send.
+     * @param aFile A multi-bitmap file containing mask and bitmap.
+     * @param aBitmapId Index into the file of the bitmap.
+     * @param aMaskId Index into the file of the bitmap mask.
+     */        
+    inline void AddCommandToStackL(
+        TInt aPosition,
+        TInt aCommandId,
+        const TDesC& aFile,
+        TInt aBitmapId,
+        TInt aMaskId);
+
+    /**
+     * Pushes a command button with text, bitmap, mask and command button onto a position's 
+     * button stack. The bitmap and mask are read from a file. This function behaves similarly
+     * to SetCommandL() but allows the previous command button to be retrieved by calling 
+     * RemoveCommandFromStack(). 
+     *
+     * @param aPosition The position in the button group at which to push the command button.
+     * @param aCommandId Command ID the button will send.
+     * @param aText Text for the button.
+     * @param aFile A multi-bitmap file containing mask and bitmap.
+     * @param aBitmapId Index into the file of the bitmap.
+     * @param aMaskId Index into the file of the bitmap mask.
+     */        
+    inline void AddCommandToStackL(
+        TInt aPosition,
+        TInt aCommandId,
+        const TDesC& aText,
+        const TDesC& aFile,
+        TInt aBitmapId,
+        TInt aMaskId);
+
+    /**
+     * Pushes a command button onto a position's button stack. The text, bitmap, mask and 
+     * command ID are all read from resource. This function behaves similarly to 
+     * SetCommandL() but allows the previous command button to be retrieved by calling 
+     * RemoveCommandFromStack().
+     *
+     * @param aPosition The position in the button group at which to push the command button.
+     * @param aResourceId ID of a resource specifying the text, bitmaps and command ID.
+     */        
+    inline void AddCommandToStackL(
+        TInt aPosition,
+        TInt aResourceId);
+
+    /**
+     * As with SetCommandL() but for a set of buttons, also allows the previous command 
+     * button to be retrieved by calling RemoveCommand().
+     *
+     * @param aResourceId Resource describing the set of command buttons.
+     */        
+    IMPORT_C void AddCommandSetToStackL(
+        TInt aResourceId);
+
+    /**
+     * Removes the command identified by aCommandId, in position aPosition in the group,
+     * from the command stack. Automatically retrieves the previous command details. 
+     * Commands are added to the stack by calling AddCommandToStackL.
+     *
+     * @param aPosition The position in the button group from which to remove the 
+     *                  command button.
+     * @param aCommandId Command ID.
+     */        
+    IMPORT_C void RemoveCommandFromStack(TInt aPosition, TInt aCommandId);
+
+    /**
+     * Sets the default command ID for buttons in this container.
+     *
+     * @param aCommandId Command to issue if no other is specified.
+     */    
+    IMPORT_C void SetDefaultCommand(TInt aCommandId); 
+
+    /**
+     * Calculates minimum size required to display the buttons defined in the specified
+     * resource structure.
+     *
+     * @param aResourceId The ID of the resource structure describing the button group.
+     * @return Minimum size required to display the button group defined in the specified resource structure.
+     */    
+    IMPORT_C TSize CalcMinimumSizeL(TInt aResourceId) const;    
+
+    /**
+     * Places the command in position aPosition in the group on the cleanup stack. Typically 
+     * used when a control or view changes the contents of two or more buttons on receipt of 
+     * focus. After altering one command with a call to AddCommandToStackL() the push is made 
+     * to guarantee the display will be left in a consistent state if the second (and any 
+     * subsequent) calls to AddCommandToStackL() fail. Only a single command can be pushed 
+     * for each position.
+     *
+     * @param aPosition Position in the container of the button to push.
+     */    
+    IMPORT_C void CleanupCommandPushL(TInt aPosition);
+
+    /**
+     * Removes a command from the cleanup stack without destroying it.
+     */    
+    inline void CleanupCommandPop();
+
+    /**
+     * Removes one or more commands from the cleanup stack without destroying them.
+     *
+     * @param aCount Number of commands to pop.
+     */    
+    IMPORT_C void CleanupCommandPop(TInt aCount);       
+
+    /**
+     * Removes a single command which was pushed onto the cleanup stack. It does this by 
+     * calling CleanupCommandPushL(), rolling back to the previous details. The command
+     * button popped is destroyed.
+     */    
+    inline void CleanupCommandPopAndDestroy();
+
+    /**
+     * Removes one or more commands which were pushed onto the cleanup stack. It does this 
+     * by calling CleanupCommandPushL(), rolling back to the previous details. The command 
+     * buttons popped are destroyed.
+     *
+     * @param aCount Number of commands to pop and destroy.
+     */    
+    inline void CleanupCommandPopAndDestroy(TInt aCount);   
+
+    /**
+     * Gets the maximum number of buttons that can be supported by the device.
+     *
+     * @return The number of command buttons supported.
+     */    
+    IMPORT_C TInt MaxCommands() const;
+
+    /**
+     * Gets the total number of buttons currently present in the group.
+     *
+     * @return The number of buttons.
+     */    
+    IMPORT_C TInt ButtonCount() const;
+    
+    /**
+    * Dims (but doesn't draw) the button with id aCommandId if aDimmed is ETrue. If two 
+    * buttons have the same id, the button to be dimmed is undefined.
+    *
+    * @param aCommandId The id for command to be dimmed.
+    * @param aDimmed ETrue for dimming.
+    */
+    IMPORT_C void DimCommand(TInt aCommandId, TBool aDimmed);
+    
+    /**
+    * Returns ETrue if the button with id aCommandId is dimmed. If two buttons have 
+    * the same id, the results of this check are undefined.
+    *
+    * @param aCommandId The id for command to be checked.
+    * @return The state of the button.    
+    */
+    IMPORT_C TBool IsCommandDimmed(TInt aCommandId) const;
+    
+    /**
+    * Sets the the button with id aCommandId to be visible if aVisible is ETrue. If two 
+    * buttons have the same id, the button to be altered is undefined.
+    *
+    * @param aCommandId The id for command to be made visible.
+    * @param aVisible EFalse for making button invisible.
+    */
+    IMPORT_C void MakeCommandVisible(TInt aCommandId, TBool aVisible);
+
+    /**
+    * Returns ETrue if the button with id aCommandId is visible. If two buttons have 
+    * the same id, the results are undefined.
+    *
+    * @param aCommandId The id for command to be checked.
+    * @return The state of the button.     
+    */
+    IMPORT_C TBool IsCommandVisible(TInt aCommandId) const;
+
+    /**
+    * Animates the button with id aCommandId. If two buttons have the same id, the 
+    * button to be animated is undefined.
+    *
+    * @since S60 3.1
+    * @param aCommandId The id for command to be animated.   
+    */
+    IMPORT_C void AnimateCommand(TInt aCommandId);
+    
+    /**
+    * Dims (but doesn't draw) the button with position aPosition.
+    *
+    * @since S60 3.1
+    * @param aPosition The position for command to be dimmed.
+    * @param aDimmed ETrue for dimming.
+    */
+    IMPORT_C void DimCommandByPosition(TCommandPosition aPosition, TBool aDimmed);
+    
+    /**
+    * Returns ETrue if the button with position aPosition is dimmed.
+    *
+    * @since S60 3.1
+    * @param aPosition The position for command to be checked.
+    * @return The state of the button.    
+    */
+    IMPORT_C TBool IsCommandDimmedByPosition(TCommandPosition aPosition) const;
+    
+    /**
+    * Sets the the button with position aPosition to be visible if aVisible is ETrue.
+    *
+    * @since S60 3.1
+    * @param aPosition The position for command to be made visible.
+    * @param aVisible EFalse for making button invisible.
+    */
+    IMPORT_C void MakeCommandVisibleByPosition(TCommandPosition aPosition, TBool aVisible);
+    
+    /**
+    * Returns ETrue if the button with position aPosition is visible.
+    *
+    * @since S60 3.1
+    * @param aPosition The position for command to be checked.
+    * @return The state of the button.     
+    */
+    IMPORT_C TBool IsCommandVisibleByPosition(TCommandPosition aPosition) const;
+    
+    /**
+    * Animates the button with position aPosition.
+    *
+    * @since S60 3.1
+    * @param aPosition The position for command to be animated.    
+    */
+    IMPORT_C void AnimateCommandByPosition(TCommandPosition aPosition);
+
+    /**
+     * Gets the button group's location. Typically the button group is external to the 
+     * view which is using it. In some cases, such as in dialogs with button panels, 
+     * the button group is internal to the control which is using it.
+     *
+     * @return The button group's location.
+     */  
+    IMPORT_C TLocation Location() const;
+    
+    /**
+     * Gets a pointer to the command button with the specified command Id.
+     *
+     * @param aCommandId Command ID of the button.
+     * @return Pointer to the command button CEikCommandButton, NULL if there 
+     *         was no button with Id aCommandId.
+     */      
+    IMPORT_C CEikCommandButton* CommandButtonOrNull(TInt aCommandId) const;
+    
+    /**
+     * Sets the boundary rectangle for externally-positioned button groups. 
+     * For use by EExternal button groups only.
+     * 
+     * @param aRect The boundary rectangle to use. The button group attaches 
+     *              itself to the inside of this rectangle.
+     */    
+    IMPORT_C void SetBoundingRect(const TRect& aRect);
+
+    /**
+     * Subtracts the area occupied by the button group from the specified bounding 
+     * rectangle. This method should be used in preference to querying the container's 
+     * area at all times. For use by EExternal button groups only.
+     * 
+     * @param aBoundingRect Rectangle to be modified.
+     */        
+    IMPORT_C void ReduceRect(TRect& aBoundingRect) const;
+
+    /**
+     * Gets a pointer to the control (button) with the specified command ID. 
+     * This method is intended to allow access to standard CCoeControl functionality 
+     * only. Casting the return value is likely to fail on different devices.
+     *
+     * @param aCommandId Command ID of the button to get.
+     * @return Pointer to a CCoeControl, NULL if there was no button at aCommandId.
+     */
+    IMPORT_C CCoeControl* ControlOrNull(TInt aCommandId) const;
+    
+    /**
+     * Gets a pointer to the the button with the specified command Id.
+     *
+     * @param aCommandId Command ID of the button to obtain.
+     * @return The button object.
+     */    
+    IMPORT_C CEikCommandButton* ButtonById(TInt aCommandId) const;
+    
+    /**
+     * Gets the position in the group of the button with the specified command Id.
+     * The return value is undefined if two buttons share the same id.
+     *
+     * @param aCommandId Identifies the command.
+     * @return The command's container position.
+     */     
+    IMPORT_C TInt PositionById(TInt aCommandId) const;
+    
+    /**
+     * Updates a command's hotkey and whether the key is displayed. 
+     * This function is only supported by containers being used for dialog buttons.
+     *
+     * @param aCommandId Identifies the command to update.
+     * @param aFlags Whether to display the hotkey.
+     * @param aKeyId Hotkey identifier.
+     */    
+    IMPORT_C void UpdateHotKey(TInt aCommandId, THotKeyFlags aFlags, TInt aKeyId);
+    
+    /**
+     * Changes the command observer for the button at aPos to aCommandObserver. 
+     * Panics if an updated observer is already present. This function should be followed 
+     * by RemoveCommandObserver() when you need to put back the original observer.
+     *
+     * @param aPos The button's position.
+     * @param aCommandObserver The command observer.
+     */    
+    IMPORT_C void UpdateCommandObserverL(TInt aPos, MEikCommandObserver& aCommandObserver);
+    
+    /**
+     * Removes the temporary observer for the button at aPos, replacing it with the
+     * observer that was present when UpdateCommandObserverL() was called.
+     *
+     * @param aPos The button's position.
+     */    
+    IMPORT_C void RemoveCommandObserver(TInt aPos);
+    
+    /**
+     * Checks for existence of updated command observer for the button at aPosition.
+     *
+     * @since S60 3.2
+     * @param aPosition The position for button to be checked.
+     * @return ETrue, if updated command observer exists.
+     */    
+    IMPORT_C TBool UpdatedCommandObserverExists(TCommandPosition aPosition) const;
+    
+    /**
+     * Tests whether the button group has explicitly been instructed to suppress redraws.
+     * Some button groups may not activate themselves during construction, in which 
+     * case, they need to be activated by the client. This method allows the client 
+     * to enquire whether this is necessary.
+     *
+     * @return ETrue if the button group will suppress redraws, otherwise EFalse.
+     */    
+    IMPORT_C TBool DelayActivation() const;
+    
+    /**
+     * Returns the container's button group.
+     *
+     * @return Pointer to the button group object. Ownership is not transferred.
+     */    
+    inline MEikButtonGroup* ButtonGroup();
+    
+    /**
+     * Returns the button group type.
+     *
+     * @return The button group type.
+     */    
+    inline TUse ButtonGroupType();
+    
+    /**
+    * Internal method for setting markable list's MSK observer.
+    * This observer is called before default CBA observer if MSK is pressed.
+    * Observer is removed by passing NULL as parameter.
+    *
+    * @since S60 3.1
+    * @param aMSKObserverOwner
+    * @param aCommandObserver
+    */
+    void UpdateMSKCommandObserver(
+        CEikListBox* aMSKObserverOwner, 
+        MEikCommandObserver* aCommandObserver);
+    
+public: // From CCoeControl.
+    /**
+     * From CCoeControl.
+     * Gets the control's minimum required size.
+     *
+     * @return The minimum size required by the control.
+     */ 
+    IMPORT_C TSize MinimumSize();
+    
+    /**
+     * From CCoeControl.
+     * Handles key events.
+     *
+     * @param aKeyEvent The key event. 
+     * @param aType The type of key event: EEventKey, EEventKeyUp or EEventKeyDown. 
+     * @return Indicates whether or not the key event was used by this control. 
+     */     
+    IMPORT_C TKeyResponse OfferKeyEventL(const TKeyEvent& aKeyEvent, TEventCode aType);
+    
+    /**
+     * From CCoeControl.
+     * Sets this control as visible or invisible.
+     *
+     * @param aVisible ETrue to make the control visible, EFalse to make it invisible. 
+     */     
+    void MakeVisible(TBool aVisible);
+    
+    /**
+     * From CCoeControl.
+     * Writes the internal state of the control and its components to aStream.
+     * Does nothing in release mode.
+     *
+     * @param aWriteStream The output stream.
+     */     
+    IMPORT_C void WriteInternalStateL(RWriteStream& aWriteStream) const;
+    
+public:
+    /**
+     * Formerly from MTopSetMember<CEikButtonGroupContainer>, now reserved.
+     */ 
+    IMPORT_C virtual void Reserved_MtsmPosition();
+    
+    /**
+     * Formerly from MTopSetMember<CEikButtonGroupContainer>, now reserved.
+     */     
+    IMPORT_C virtual void Reserved_MtsmObject();
+
+public: // New functions for enhanced cba support.
+    /**
+     * Used to offer list of commands for softkeys.
+     *
+     * @since S60 3.2
+     * @param aCommandList A list of command ids to be offered for softkeys.
+     */
+    IMPORT_C void OfferCommandListL(const RArray<TInt>& aCommandList);
+    
+    /**
+     * Used to offer list of commands for softkeys.
+     *
+     * @since S60 3.2
+     * @param aResourceId Id for CBA resource that defines enhanced cba buttons.
+     */ 
+    IMPORT_C void OfferCommandListL(const TInt aResourceId);
+
+    /**
+     * Used to check if a certain command have been approved to the current command set
+     *
+     * @since S60 3.2
+     * @param aCommandId The id for command which existence should be checked.
+     * @return ETrue if command is in control group, otherwise EFalse.
+     */     
+    IMPORT_C TBool IsCommandInGroup(const TInt aCommandId) const;
+    
+    /**
+     * Replaces command with another.
+     *
+     * @since S60 3.2 
+     * @param aCommandId Id for command that should be replaced.
+     * @param aResourceId Resource id for new enhanced cba button.
+     */     
+    IMPORT_C void ReplaceCommand(const TInt aCommandId, const TInt aResourceId);
+
+private:
+    enum TCommandOp {ESet, EAdd, EPush};
+    
+private:
+    class TCmdPos
+        {
+    public:
+        inline TCmdPos();
+        inline TCmdPos(TInt aPos, TInt aCmd);
+    public:
+        TInt iPos;
+        TInt iCmd;
+        };
+        
+    class TCmdObserver
+        {
+    public:
+        inline TCmdObserver(TInt aPos, MEikCommandObserver& aObserver);
+    public:
+        TInt iPos;
+        MEikCommandObserver& iObserver;
+        };
+        
+    class CCmdObserverArray : public CArrayFixFlat<TCmdObserver>
+        {
+    public:
+        inline CCmdObserverArray();
+        TInt FindIndex(TInt aPos);
+        };
+        
+private:
+    CEikButtonGroupContainer(TUse aUse);
+    
+    void ConstructL(
+        TOrientation aOrientation,
+        MEikCommandObserver* aCommandObserver,
+        TInt aResourceId,
+        RWindowGroup* aParentWg,
+        TUint aFlags);
+        
+    IMPORT_C void DoSetCommandL(
+        TInt aPosition,
+        TInt aCommandId,
+        const TDesC* aText,
+        const CFbsBitmap* aBitmap,
+        const CFbsBitmap* aMask,
+        TCommandOp aOp);
+        
+    IMPORT_C void DoSetCommandL(
+        TInt aPosition,
+        TInt aCommandId,
+        const TDesC* aText,
+        const TDesC& aFile,
+        TInt aBitmapId,
+        TInt aMaskId,
+        TCommandOp aOp);
+        
+    IMPORT_C void DoSetCommandL(
+        TInt aCommandId,
+        const TDesC* aText,
+        const CFbsBitmap* aBitmap,
+        const CFbsBitmap* aMask,
+        TCommandOp aOp);
+        
+    IMPORT_C void DoSetCommandL(
+        TInt aCommandId,
+        const TDesC* aText,
+        const TDesC& aFile,
+        TInt aBitmapId,
+        TInt aMaskId,
+        TCommandOp aOp);
+        
+    IMPORT_C void DoSetCommandL(
+        TInt aPosition,
+        TInt aResourceId,
+        TCommandOp aOp);
+    
+    inline CCoeControl* ButtonGroupAsControl() const;
+    void UpdateRect();
+    static void CleanupCommandDestroy(TAny* aPtr);
+    TCmdPos DoCleanupCommandPop();
+    void DoCleanupCommandPopAndDestroy();
+
+private: // from CCoeControl
+    TInt CountComponentControls() const;
+    CCoeControl* ComponentControl(TInt aIndex) const;
+    void SizeChanged();
+
+private: // from MEikCommandObserver
+    void ProcessCommandL(TInt aCommandId);
+    CCoeControl* CreateCustomCommandControlL(TInt aControlType);
+
+private:
+    MEikButtonGroup* iButtonGroup;
+    TUse iUse;
+    CArrayFix<TCmdPos>* iCommandsCleanup;
+    MEikCommandObserver* iCommandObserver;
+    CCmdObserverArray* iObserverArray;
+    TDblQueLink iBtLink;
+    CEikListBox* iMSKObserverOwner;
+    TInt iSpare;
+    TInt iValid;
+private:
+    friend class CCmdObserverArray;
+    friend class CEikButtonGroupStack;
+    };
+
+
+// Inline function implementations.
+
+inline void CEikButtonGroupContainer::SetCommandL(
+    TInt aPosition,
+    TInt aCommandId,
+    const TDesC& aText)
+    {
+    DoSetCommandL(aPosition, aCommandId, &aText, NULL, NULL, ESet);
+    }
+
+inline void CEikButtonGroupContainer::SetCommandL(
+    TInt aPosition,
+    TInt aCommandId,
+    const CFbsBitmap& aBitmap,
+    const CFbsBitmap& aMask)
+    {
+    DoSetCommandL(aPosition, aCommandId, NULL, &aBitmap, &aMask, ESet);
+    }
+
+inline void CEikButtonGroupContainer::SetCommandL(
+    TInt aPosition,
+    TInt aCommandId,
+    const TDesC& aText,
+    const CFbsBitmap& aBitmap,
+    const CFbsBitmap& aMask)
+    {
+    DoSetCommandL(aPosition, aCommandId, &aText, &aBitmap, &aMask, ESet);
+    }
+
+inline void CEikButtonGroupContainer::SetCommandL(
+    TInt aPosition,
+    TInt aCommandId,
+    const TDesC& aFile,
+    TInt aBitmapId,
+    TInt aMaskId)
+    {
+    DoSetCommandL(aPosition, aCommandId, NULL, aFile, aBitmapId, aMaskId, ESet);
+    }
+
+inline void CEikButtonGroupContainer::SetCommandL(
+    TInt aPosition,
+    TInt aCommandId,
+    const TDesC& aText,
+    const TDesC& aFile,
+    TInt aBitmapId,
+    TInt aMaskId)
+    {
+    DoSetCommandL(aPosition, aCommandId, &aText, aFile, aBitmapId, aMaskId, ESet);
+    }
+
+inline void CEikButtonGroupContainer::SetCommandL(
+    TInt aPosition,
+    TInt aResourceId)
+    {
+    DoSetCommandL(aPosition, aResourceId, ESet);
+    }
+
+inline void CEikButtonGroupContainer::SetCommandL(
+    TInt aCommandId,
+    const TDesC& aText)
+    {
+    DoSetCommandL(aCommandId, &aText, NULL, NULL, ESet);
+    }
+
+inline void CEikButtonGroupContainer::SetCommandL(
+    TInt aCommandId,
+    const CFbsBitmap& aBitmap,
+    const CFbsBitmap& aMask)
+    {
+    DoSetCommandL(aCommandId, NULL, &aBitmap, &aMask, ESet);
+    }
+
+inline void CEikButtonGroupContainer::SetCommandL(
+    TInt aCommandId,
+    const TDesC& aText,
+    const CFbsBitmap& aBitmap,
+    const CFbsBitmap& aMask)
+    {
+    DoSetCommandL(aCommandId, &aText, &aBitmap, &aMask, ESet);
+    }
+
+inline void CEikButtonGroupContainer::SetCommandL(
+    TInt aCommandId,
+    const TDesC& aFile,
+    TInt aBitmapId,
+    TInt aMaskId)
+    {
+    DoSetCommandL(aCommandId, NULL, aFile, aBitmapId, aMaskId, ESet);
+    }
+
+inline void CEikButtonGroupContainer::SetCommandL(
+    TInt aCommandId,
+    const TDesC& aText,
+    const TDesC& aFile,
+    TInt aBitmapId,
+    TInt aMaskId)
+    {
+    DoSetCommandL(aCommandId, &aText, aFile, aBitmapId, aMaskId, ESet);
+    }
+
+inline void CEikButtonGroupContainer::AddCommandL(
+    TInt aPosition,
+    TInt aCommandId,
+    const TDesC& aText)
+    {
+    DoSetCommandL(aPosition, aCommandId, &aText, NULL, NULL, EAdd);
+    }
+
+inline void CEikButtonGroupContainer::AddCommandL(
+    TInt aPosition,
+    TInt aCommandId,
+    const CFbsBitmap& aBitmap,
+    const CFbsBitmap& aMask)
+    {
+    DoSetCommandL(aPosition, aCommandId, NULL, &aBitmap, &aMask, EAdd);
+    }
+
+inline void CEikButtonGroupContainer::AddCommandL(
+    TInt aPosition,
+    TInt aCommandId,
+    const TDesC& aText,
+    const CFbsBitmap& aBitmap,
+    const CFbsBitmap& aMask)
+    {
+    DoSetCommandL(aPosition, aCommandId, &aText, &aBitmap, &aMask, EAdd);
+    }
+
+inline void CEikButtonGroupContainer::AddCommandL(
+    TInt aPosition,
+    TInt aCommandId,
+    const TDesC& aFile,
+    TInt aBitmapId,
+    TInt aMaskId)
+    {
+    DoSetCommandL(aPosition, aCommandId, NULL, aFile, aBitmapId, aMaskId, EAdd);
+    }
+
+inline void CEikButtonGroupContainer::AddCommandL(
+    TInt aPosition,
+    TInt aCommandId,
+    const TDesC& aText,
+    const TDesC& aFile,
+    TInt aBitmapId,
+    TInt aMaskId)
+    {
+    DoSetCommandL(aPosition, aCommandId, &aText, aFile, aBitmapId, aMaskId, EAdd);
+    }
+
+inline void CEikButtonGroupContainer::AddCommandToStackL(
+    TInt aPosition,
+    TInt aCommandId,
+    const TDesC& aText)
+    {
+    DoSetCommandL(aPosition, aCommandId, &aText, NULL, NULL, EPush);
+    }
+
+inline void CEikButtonGroupContainer::AddCommandToStackL(
+    TInt aPosition,
+    TInt aCommandId,
+    const CFbsBitmap& aBitmap,
+    const CFbsBitmap& aMask)
+    {
+    DoSetCommandL(aPosition, aCommandId, NULL, &aBitmap, &aMask, EPush);
+    }
+
+inline void CEikButtonGroupContainer::AddCommandToStackL(
+    TInt aPosition,
+    TInt aCommandId,
+    const TDesC& aText,
+    const CFbsBitmap& aBitmap,
+    const CFbsBitmap& aMask)
+    {
+    DoSetCommandL(aPosition, aCommandId, &aText, &aBitmap, &aMask, EPush);
+    }
+
+inline void CEikButtonGroupContainer::AddCommandToStackL(
+    TInt aPosition,
+    TInt aCommandId,
+    const TDesC& aFile,
+    TInt aBitmapId,
+    TInt aMaskId)
+    {
+    DoSetCommandL(aPosition, aCommandId, NULL, aFile, aBitmapId, aMaskId, EPush);
+    }
+
+inline void CEikButtonGroupContainer::AddCommandToStackL(
+    TInt aPosition,
+    TInt aCommandId,
+    const TDesC& aText,
+    const TDesC& aFile,
+    TInt aBitmapId,
+    TInt aMaskId)
+    {
+    DoSetCommandL(aPosition, aCommandId, &aText, aFile, aBitmapId, aMaskId, EPush);
+    }
+
+inline void CEikButtonGroupContainer::AddCommandToStackL(
+    TInt aPosition,
+    TInt aResourceId)
+    {
+    DoSetCommandL(aPosition, aResourceId, EPush);
+    }
+
+inline void CEikButtonGroupContainer::CleanupCommandPop()
+    {
+    CleanupCommandPop(1);
+    }
+
+inline void CEikButtonGroupContainer::CleanupCommandPopAndDestroy()
+    {
+    CleanupStack::PopAndDestroy();
+    }
+
+inline void CEikButtonGroupContainer::CleanupCommandPopAndDestroy(TInt aCount)
+    {
+    CleanupStack::PopAndDestroy(aCount);
+    }
+
+inline MEikButtonGroup* CEikButtonGroupContainer::ButtonGroup()
+    {
+    return iButtonGroup;
+    }
+
+inline CEikButtonGroupContainer::TUse CEikButtonGroupContainer::ButtonGroupType()
+    {
+    return iUse;
+    }
+
+#endif // __EIKBTGPC_H__