src/video/SDL_cursor_c.h
author Ryan C. Gordon <icculus@icculus.org>
Fri, 06 Jan 2006 13:20:10 +0000
changeset 1234 73676c1f56ee
parent 769 b8d311d90021
child 1312 c9b51268668f
permissions -rw-r--r--
For sanity's sake, removed the '&' when passing copy_row array to asm.
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/*
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    SDL - Simple DirectMedia Layer
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    Copyright (C) 1997-2004 Sam Lantinga
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    This library is free software; you can redistribute it and/or
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    modify it under the terms of the GNU Library General Public
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    License as published by the Free Software Foundation; either
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    version 2 of the License, or (at your option) any later version.
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    This library is distributed in the hope that it will be useful,
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    but WITHOUT ANY WARRANTY; without even the implied warranty of
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    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
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    Library General Public License for more details.
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    You should have received a copy of the GNU Library General Public
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    License along with this library; if not, write to the Free
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    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
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    Sam Lantinga
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    slouken@libsdl.org
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*/
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#ifdef SAVE_RCSID
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static char rcsid =
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 "@(#) $Id$";
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#endif
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/* Useful variables and functions from SDL_cursor.c */
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#include "SDL_mouse.h"
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extern int  SDL_CursorInit(Uint32 flags);
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extern void SDL_CursorPaletteChanged(void);
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extern void SDL_DrawCursor(SDL_Surface *screen);
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extern void SDL_DrawCursorNoLock(SDL_Surface *screen);
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extern void SDL_EraseCursor(SDL_Surface *screen);
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extern void SDL_EraseCursorNoLock(SDL_Surface *screen);
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extern void SDL_UpdateCursor(SDL_Surface *screen);
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extern void SDL_ResetCursor(void);
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extern void SDL_MoveCursor(int x, int y);
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extern void SDL_CursorQuit(void);
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#define INLINE_MOUSELOCK
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#ifdef INLINE_MOUSELOCK
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/* Inline (macro) versions of the mouse lock functions */
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#include "SDL_mutex.h"
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extern SDL_mutex *SDL_cursorlock;
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#define SDL_LockCursor()						\
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	do {								\
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		if ( SDL_cursorlock ) {					\
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			SDL_mutexP(SDL_cursorlock);			\
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		}							\
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	} while ( 0 )
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#define SDL_UnlockCursor()						\
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	do {								\
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		if ( SDL_cursorlock ) {					\
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			SDL_mutexV(SDL_cursorlock);			\
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		}							\
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	} while ( 0 )
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#else
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extern void SDL_LockCursor(void);
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extern void SDL_UnlockCursor(void);
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#endif /* INLINE_MOUSELOCK */
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/* Only for low-level mouse cursor drawing */
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extern SDL_Cursor *SDL_cursor;
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extern void SDL_MouseRect(SDL_Rect *area);
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/* State definitions for the SDL cursor */
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#define CURSOR_VISIBLE	0x01
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#define CURSOR_USINGSW	0x10
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#define SHOULD_DRAWCURSOR(X) 						\
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			(((X)&(CURSOR_VISIBLE|CURSOR_USINGSW)) ==  	\
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					(CURSOR_VISIBLE|CURSOR_USINGSW))
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extern volatile int SDL_cursorstate;