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Date: Thu, 18 Jul 2002 23:51:40 +0200 (MEST) From: Krister Walfridsson Subject: [SDL] src/joystick/bsd/SDL_sysjoystick.c patch The *BSD USB HID joystick code has two serious bugs: 1. If a joystick reports unhandled hid_input usage (for example HUG_RZ or HUG_DIAL), then the last handled value will be overwritten with an arbitrary value. (Fixed in the patch below by adding a default case.) 2. The current code does only handle logical coordinates in the range 0-255, while a big part of available joysticks report -128 - 127. (This is solved in the patch below by first center the range around 0, and then stretch it to the correct range.)
author Sam Lantinga <slouken@libsdl.org>
date Tue, 20 Aug 2002 06:08:42 +0000
parents e8157fcb3114
children 9cba51c7a4ef
line wrap: on
line source

/*
    SDL - Simple DirectMedia Layer
    Copyright (C) 1997, 1998, 1999, 2000  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

#include "SDL_gsvideo.h"

/* This is the maximum size of the cursor sprite */
#define CURSOR_W	32
#define CURSOR_H	32
#define CURSOR_W_POW	5	/* 32 = 2^5 */
#define CURSOR_H_POW	5	/* 32 = 2^5 */

/* Functions to be exported */
extern void GS_FreeWMCursor(_THIS, WMcursor *cursor);
extern WMcursor *GS_CreateWMCursor(_THIS,
		Uint8 *data, Uint8 *mask, int w, int h, int hot_x, int hot_y);
extern void GS_DrawCursor(SDL_Surface *screen);
extern void GS_EraseCursor(SDL_Surface *screen);
extern void GS_MoveWMCursor(_THIS, int x, int y);
extern int GS_ShowWMCursor(_THIS, WMcursor *cursor);