haiku/headers/os/interface/Input.h

/*
 * Copyright 2008, Haiku, Inc. All rights reserved.
 * Distributed under the terms of the MIT License.
 *
 */
#ifndef _INPUT_H
#define _INPUT_H


#include <Messenger.h>


enum input_method_op {
	B_INPUT_METHOD_STARTED			= 0,
	B_INPUT_METHOD_STOPPED			= 1,
	B_INPUT_METHOD_CHANGED			= 2,
	B_INPUT_METHOD_LOCATION_REQUEST	= 3
};


enum input_device_type {
	B_POINTING_DEVICE	= 0,
	B_KEYBOARD_DEVICE	= 1,
	B_UNDEFINED_DEVICE	= 2
};


enum input_device_notification {
	B_INPUT_DEVICE_ADDED	= 0x0001,
	B_INPUT_DEVICE_STARTED	= 0x0002,
	B_INPUT_DEVICE_STOPPED	= 0x0004,
	B_INPUT_DEVICE_REMOVED	= 0x0008
};


class BInputDevice;
class BList;

BInputDevice*	find_input_device(const char* name);
status_t		get_input_devices(BList* list);
status_t		watch_input_devices(BMessenger target, bool start);


class BInputDevice {
public:
								~BInputDevice();

			const char*			Name() const;
			input_device_type	Type() const;
			bool				IsRunning() const;

			status_t			Start();
			status_t			Stop();
			status_t			Control(uint32 code, BMessage* message);

	static	status_t			Start(input_device_type type);
	static	status_t			Stop(input_device_type type);
	static	status_t			Control(input_device_type type, uint32 code,
									BMessage* message);

private:
	friend BInputDevice* find_input_device(const char* name);
	friend status_t get_input_devices(BList* list);

								BInputDevice();
			void				_SetNameAndType(const char* name,
									input_device_type type);

			char*				fName;
			input_device_type	fType;
			uint32				_reserved[4];
};

#endif	// _INPUT_H