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view src/video/SDL_cursor_c.h @ 610:95433459fbd2

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Date: Mon, 14 Apr 2003 22:08:27 +0100 From: Patrice Mandin Subject: [SDL][PATCH] 2 patches for sdl Here are 2 patches for SDL: - One is to put the dummy video drivers at the end of the video drivers list. It gave me problems, when SDL_VIDEODRIVER is not set, and the dummy driver is used instead of the platform's driver, just because it is always available. So the dummy driver must always be at the end of the list. I suppose picogui and dc video drivers also don't work.
author Sam Lantinga <slouken@libsdl.org>
date Tue, 15 Apr 2003 15:46:56 +0000
parents f6ffac90895c
children b8d311d90021
line wrap: on
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/*
    SDL - Simple DirectMedia Layer
    Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002  Sam Lantinga

    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
    slouken@libsdl.org
*/

#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;