/*

SDL - Simple DirectMedia Layer

Copyright (C) 1997-2006 Sam Lantinga

This library is free software; you can redistribute it and/or

modify it under the terms of the GNU Lesser General Public

License as published by the Free Software Foundation; either

version 2.1 of the License, or (at your option) any later version.

This library is distributed in the hope that it will be useful,

but WITHOUT ANY WARRANTY; without even the implied warranty of

MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU

Lesser General Public License for more details.

You should have received a copy of the GNU Lesser General Public

License along with this library; if not, write to the Free Software

Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA

Sam Lantinga

slouken@libsdl.org

*/

/* Useful variables and functions from SDL_cursor.c */

#include "SDL_mouse.h"

extern int SDL_CursorInit(Uint32 flags);

extern void SDL_CursorPaletteChanged(void);

extern void SDL_DrawCursor(SDL_Surface *screen);

extern void SDL_DrawCursorNoLock(SDL_Surface *screen);

extern void SDL_EraseCursor(SDL_Surface *screen);

extern void SDL_EraseCursorNoLock(SDL_Surface *screen);

extern void SDL_UpdateCursor(SDL_Surface *screen);

extern void SDL_ResetCursor(void);

extern void SDL_MoveCursor(int x, int y);

extern void SDL_CursorQuit(void);

#define INLINE_MOUSELOCK

#ifdef INLINE_MOUSELOCK

/* Inline (macro) versions of the mouse lock functions */

#include "SDL_mutex.h"

extern SDL_mutex *SDL_cursorlock;

#define SDL_LockCursor() \

do { \

if ( SDL_cursorlock ) { \

SDL_mutexP(SDL_cursorlock); \

} \

} while ( 0 )

#define SDL_UnlockCursor() \

do { \

if ( SDL_cursorlock ) { \

SDL_mutexV(SDL_cursorlock); \

} \

} while ( 0 )

#else

extern void SDL_LockCursor(void);

extern void SDL_UnlockCursor(void);

#endif /* INLINE_MOUSELOCK */

/* Only for low-level mouse cursor drawing */

extern SDL_Cursor *SDL_cursor;

extern void SDL_MouseRect(SDL_Rect *area);

/* State definitions for the SDL cursor */

#define CURSOR_VISIBLE 0x01

#define CURSOR_USINGSW 0x10

#define SHOULD_DRAWCURSOR(X) \

(((X)&(CURSOR_VISIBLE|CURSOR_USINGSW)) == \

(CURSOR_VISIBLE|CURSOR_USINGSW))

extern volatile int SDL_cursorstate;