src/video/SDL_cursor_c.h
author Sam Lantinga <slouken@libsdl.org>
Mon, 21 Sep 2009 08:58:51 +0000
branchSDL-1.2
changeset 4214 4250beeb5ad1
parent 4159 a1b03ba2fcd0
child 6137 4720145f848b
permissions -rw-r--r--
Oh yeah, we have GLX support too.
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/*
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    SDL - Simple DirectMedia Layer
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    Copyright (C) 1997-2009 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 Lesser General Public
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    License as published by the Free Software Foundation; either
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    version 2.1 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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    Lesser General Public License for more details.
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    You should have received a copy of the GNU Lesser General Public
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    License along with this library; if not, write to the Free Software
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    Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
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    Sam Lantinga
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    slouken@libsdl.org
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*/
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#include "SDL_config.h"
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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;