SDL_cursor_c.h
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/*
SDL - Simple DirectMedia Layer
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Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002 Sam Lantinga
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This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public
License as published by the Free Software Foundation; either
version 2 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
Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with this library; if not, write to the Free
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
Sam Lantinga
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slouken@libsdl.org
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*/
#ifdef SAVE_RCSID
static char rcsid =
"@(#) $Id$";
#endif
/* 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;