epoc32/include/mw/eikvcurs.h
branchSymbian2
changeset 3 e1b950c65cb4
parent 2 2fe1408b6811
child 4 837f303aceeb
     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/epoc32/include/mw/eikvcurs.h	Wed Mar 31 12:27:01 2010 +0100
     1.3 @@ -0,0 +1,77 @@
     1.4 +// Copyright (c) 1997-2009 Nokia Corporation and/or its subsidiary(-ies).
     1.5 +// All rights reserved.
     1.6 +// This component and the accompanying materials are made available
     1.7 +// under the terms of the License "Symbian Foundation License v1.0" to Symbian Foundation members and "Symbian Foundation End User License Agreement v1.0" to non-members
     1.8 +// which accompanies this distribution, and is available
     1.9 +// at the URL "http://www.symbianfoundation.org/legal/licencesv10.html".
    1.10 +//
    1.11 +// Initial Contributors:
    1.12 +// Nokia Corporation - initial contribution.
    1.13 +//
    1.14 +// Contributors:
    1.15 +//
    1.16 +// Description:
    1.17 +// class TEikVirtualCursor
    1.18 +// 
    1.19 +//
    1.20 +
    1.21 +#ifndef __EIKVCURS_H__
    1.22 +#define __EIKVCURS_H__
    1.23 +
    1.24 +#include <e32std.h>
    1.25 +#include <coemain.h>
    1.26 +
    1.27 +
    1.28 +/** Provides support for the virtual cursor's state within an application.
    1.29 +
    1.30 +There is one instance of this object per CEikonEnv. 
    1.31 +
    1.32 +@publishedAll
    1.33 +@released */
    1.34 +class TEikVirtualCursor
    1.35 +	{
    1.36 +public:
    1.37 +	/** Specifies the virtual cursor's state. 
    1.38 +
    1.39 +	The state may be on, off or suspended. The suspended state is for use by applications 
    1.40 +	that wish to temporarily disable the cursor, but do not want to switch it 
    1.41 +	off completely. For example, an editor control which when focused needs to 
    1.42 +	capture arrow keys would disable the virtual cursor when it gains focus, 
    1.43 +	and enable it when unfocused. */
    1.44 +	enum TState
    1.45 +		{
    1.46 +		/** Sets the virtual cursor off. */
    1.47 +		EOff=0,
    1.48 +		/** Sets the virtual cursor on. */
    1.49 +		EOn,
    1.50 +		/** Sets the virtual cursor as suspended. */
    1.51 +		ESuspended
    1.52 +		};
    1.53 +public:
    1.54 +	TEikVirtualCursor();
    1.55 +private: //prevent passing by value
    1.56 +	inline TEikVirtualCursor(const TEikVirtualCursor&);
    1.57 +public:
    1.58 +	IMPORT_C void SetCursorStateL(TState aState, CCoeEnv& aEnv);
    1.59 +	IMPORT_C TState CursorState(CCoeEnv& aEnv);
    1.60 +public: // but not exported
    1.61 +	void HandleAppToForeground(CCoeEnv& aEnv);
    1.62 +private:
    1.63 +	void SwitchOffEmulationAndBitmap(CCoeEnv& aEnv);
    1.64 +	void SwitchOnEmulationAndBitmap(CCoeEnv& aEnv);
    1.65 +private:
    1.66 +	TState iState;
    1.67 +	};
    1.68 +
    1.69 +
    1.70 +// inlines
    1.71 +
    1.72 +/** Constructor.
    1.73 +
    1.74 +Sets the cursor's state to ESuspended so that the call to switch off the virtual 
    1.75 +cursor will succeed when the application starts. Required due to the efficient 
    1.76 +implementation of SetCursorState(). */
    1.77 +inline TEikVirtualCursor::TEikVirtualCursor(const TEikVirtualCursor&)
    1.78 +	{}
    1.79 +
    1.80 +#endif