2001-04-26 16:45:43 +00:00
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/*
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SDL - Simple DirectMedia Layer
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2004-01-04 16:49:27 +00:00
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Copyright (C) 1997-2004 Sam Lantinga
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2001-04-26 16:45:43 +00:00
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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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2001-12-14 12:38:15 +00:00
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slouken@libsdl.org
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2001-04-26 16:45:43 +00:00
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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;
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