src/joystick/linux/SDL_sysjoystick.c
author Sam Lantinga <slouken@libsdl.org>
Wed, 16 Feb 2011 17:17:21 -0800
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permissions -rw-r--r--
Fixed bug 1122 (spinlock fails to compile with -march=armv4t)
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/*
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    SDL - Simple DirectMedia Layer
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    Copyright (C) 1997-2011 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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#ifdef SDL_JOYSTICK_LINUX
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/* This is the system specific header for the SDL joystick API */
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#include <sys/stat.h>
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#include <unistd.h>
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#include <fcntl.h>
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#include <sys/ioctl.h>
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#include <limits.h>             /* For the definition of PATH_MAX */
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#include <linux/joystick.h>
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#include "SDL_joystick.h"
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#include "../SDL_sysjoystick.h"
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#include "../SDL_joystick_c.h"
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#include "SDL_sysjoystick_c.h"
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/* Special joystick configurations */
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static struct
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{
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    const char *name;
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    int naxes;
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    int nhats;
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    int nballs;
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} special_joysticks[] = {
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    {
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    "MadCatz Panther XL", 3, 2, 1},     /* We don't handle rudder (axis 8) */
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    {
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    "SideWinder Precision Pro", 4, 1, 0}, {
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    "SideWinder 3D Pro", 4, 1, 0}, {
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    "Microsoft SideWinder 3D Pro", 4, 1, 0}, {
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    "Microsoft SideWinder Precision Pro", 4, 1, 0}, {
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    "Microsoft SideWinder Dual Strike USB version 1.0", 2, 1, 0}, {
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    "WingMan Interceptor", 3, 3, 0}, {
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    "WingMan Extreme Digital 3D", 4, 1, 0}, {
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    "Microsoft SideWinder Precision 2 Joystick", 4, 1, 0}, {
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    "Logitech Inc. WingMan Extreme Digital 3D", 4, 1, 0}, {
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    "Saitek Saitek X45", 6, 1, 0}
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};
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/* It looks like newer kernels have the logical mapping at the driver level */
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#define NO_LOGICAL_JOYSTICKS
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#ifndef NO_LOGICAL_JOYSTICKS
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/*
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   Some USB HIDs show up as a single joystick even though they actually
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   control 2 or more joysticks.
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*/
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/*
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   This code handles the MP-8800 (Quad) and MP-8866 (Dual), which can
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   be identified by their transparent blue design. It's quite trivial
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   to add other joysticks with similar quirky behavior.
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   -id
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*/
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struct joystick_logical_mapping
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{
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    int njoy;
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    int nthing;
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};
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/*
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   {logical joy, logical axis},
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   {logical joy, logical hat},
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   {logical joy, logical ball},
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   {logical joy, logical button}
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*/
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static struct joystick_logical_mapping mp88xx_1_logical_axismap[] = {
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    {0, 0}, {0, 1}, {0, 2}, {0, 3}, {0, 4}, {0, 5}
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};
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static struct joystick_logical_mapping mp88xx_1_logical_buttonmap[] = {
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    {0, 0}, {0, 1}, {0, 2}, {0, 3}, {0, 4}, {0, 5}, {0, 6}, {0, 7}, {0, 8},
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    {0, 9}, {0, 10}, {0, 11}
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};
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static struct joystick_logical_mapping mp88xx_2_logical_axismap[] = {
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    {0, 0}, {0, 1}, {0, 2}, {1, 0}, {1, 1}, {0, 3},
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    {1, 2}, {1, 3}, {0, 4}, {0, 5}, {1, 4}, {1, 5}
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};
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static struct joystick_logical_mapping mp88xx_2_logical_buttonmap[] = {
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    {0, 0}, {0, 1}, {0, 2}, {0, 3}, {0, 4}, {0, 5}, {0, 6}, {0, 7}, {0, 8},
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    {0, 9}, {0, 10}, {0, 11},
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    {1, 0}, {1, 1}, {1, 2}, {1, 3}, {1, 4}, {1, 5}, {1, 6}, {1, 7}, {1, 8},
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    {1, 9}, {1, 10}, {1, 11}
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};
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static struct joystick_logical_mapping mp88xx_3_logical_axismap[] = {
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    {0, 0}, {0, 1}, {0, 2}, {1, 0}, {1, 1}, {0, 3},
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    {1, 2}, {1, 3}, {2, 0}, {2, 1}, {2, 2}, {2, 3},
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    {0, 4}, {0, 5}, {1, 4}, {1, 5}, {2, 4}, {2, 5}
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};
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static struct joystick_logical_mapping mp88xx_3_logical_buttonmap[] = {
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    {0, 0}, {0, 1}, {0, 2}, {0, 3}, {0, 4}, {0, 5}, {0, 6}, {0, 7}, {0, 8},
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    {0, 9}, {0, 10}, {0, 11},
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    {1, 0}, {1, 1}, {1, 2}, {1, 3}, {1, 4}, {1, 5}, {1, 6}, {1, 7}, {1, 8},
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    {1, 9}, {1, 10}, {1, 11},
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    {2, 0}, {2, 1}, {2, 2}, {2, 3}, {2, 4}, {2, 5}, {2, 6}, {2, 7}, {2, 8},
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    {2, 9}, {2, 10}, {2, 11}
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};
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static struct joystick_logical_mapping mp88xx_4_logical_axismap[] = {
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    {0, 0}, {0, 1}, {0, 2}, {1, 0}, {1, 1}, {0, 3},
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    {1, 2}, {1, 3}, {2, 0}, {2, 1}, {2, 2}, {2, 3},
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    {3, 0}, {3, 1}, {3, 2}, {3, 3}, {0, 4}, {0, 5},
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    {1, 4}, {1, 5}, {2, 4}, {2, 5}, {3, 4}, {3, 5}
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};
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static struct joystick_logical_mapping mp88xx_4_logical_buttonmap[] = {
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    {0, 0}, {0, 1}, {0, 2}, {0, 3}, {0, 4}, {0, 5}, {0, 6}, {0, 7}, {0, 8},
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    {0, 9}, {0, 10}, {0, 11},
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    {1, 0}, {1, 1}, {1, 2}, {1, 3}, {1, 4}, {1, 5}, {1, 6}, {1, 7}, {1, 8},
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    {1, 9}, {1, 10}, {1, 11},
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    {2, 0}, {2, 1}, {2, 2}, {2, 3}, {2, 4}, {2, 5}, {2, 6}, {2, 7}, {2, 8},
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    {2, 9}, {2, 10}, {2, 11},
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    {3, 0}, {3, 1}, {3, 2}, {3, 3}, {3, 4}, {3, 5}, {3, 6}, {3, 7}, {3, 8},
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    {3, 9}, {3, 10}, {3, 11}
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};
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struct joystick_logical_layout
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{
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    int naxes;
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    int nhats;
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    int nballs;
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    int nbuttons;
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};
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static struct joystick_logical_layout mp88xx_1_logical_layout[] = {
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    {6, 0, 0, 12}
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};
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static struct joystick_logical_layout mp88xx_2_logical_layout[] = {
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    {6, 0, 0, 12},
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    {6, 0, 0, 12}
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};
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static struct joystick_logical_layout mp88xx_3_logical_layout[] = {
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    {6, 0, 0, 12},
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    {6, 0, 0, 12},
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    {6, 0, 0, 12}
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};
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static struct joystick_logical_layout mp88xx_4_logical_layout[] = {
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    {6, 0, 0, 12},
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    {6, 0, 0, 12},
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    {6, 0, 0, 12},
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    {6, 0, 0, 12}
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};
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/*
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   This array sets up a means of mapping a single physical joystick to
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   multiple logical joysticks. (djm)
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   njoys
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        the number of logical joysticks
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   layouts
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        an array of layout structures, one to describe each logical joystick
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   axes, hats, balls, buttons
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        arrays that map a physical thingy to a logical thingy
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 */
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struct joystick_logicalmap
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{
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    const char *name;
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    int nbuttons;
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    int njoys;
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    struct joystick_logical_layout *layout;
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    struct joystick_logical_mapping *axismap;
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    struct joystick_logical_mapping *hatmap;
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    struct joystick_logical_mapping *ballmap;
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    struct joystick_logical_mapping *buttonmap;
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};
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static struct joystick_logicalmap joystick_logicalmap[] = {
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    {
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     "WiseGroup.,Ltd MP-8866 Dual USB Joypad",
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     12,
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     1,
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     mp88xx_1_logical_layout,
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     mp88xx_1_logical_axismap,
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     NULL,
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     NULL,
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     mp88xx_1_logical_buttonmap},
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    {
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     "WiseGroup.,Ltd MP-8866 Dual USB Joypad",
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     24,
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     2,
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     mp88xx_2_logical_layout,
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     mp88xx_2_logical_axismap,
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     NULL,
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     NULL,
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     mp88xx_2_logical_buttonmap},
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    {
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     "WiseGroup.,Ltd MP-8800 Quad USB Joypad",
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     12,
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     1,
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     mp88xx_1_logical_layout,
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     mp88xx_1_logical_axismap,
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     NULL,
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     NULL,
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     mp88xx_1_logical_buttonmap},
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    {
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     "WiseGroup.,Ltd MP-8800 Quad USB Joypad",
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     24,
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     2,
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     mp88xx_2_logical_layout,
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     mp88xx_2_logical_axismap,
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     NULL,
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     NULL,
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     mp88xx_2_logical_buttonmap},
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    {
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     "WiseGroup.,Ltd MP-8800 Quad USB Joypad",
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     36,
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     3,
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     mp88xx_3_logical_layout,
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     mp88xx_3_logical_axismap,
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     NULL,
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     NULL,
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     mp88xx_3_logical_buttonmap},
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    {
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     "WiseGroup.,Ltd MP-8800 Quad USB Joypad",
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     48,
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     4,
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     mp88xx_4_logical_layout,
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     mp88xx_4_logical_axismap,
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     NULL,
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     NULL,
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     mp88xx_4_logical_buttonmap}
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};
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/* find the head of a linked list, given a point in it
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 */
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#define SDL_joylist_head(i, start)\
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        for(i = start; SDL_joylist[i].fname == NULL;) i = SDL_joylist[i].prev;
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#define SDL_logical_joydecl(d) d
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#else
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#define SDL_logical_joydecl(d)
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#endif /* USE_LOGICAL_JOYSTICKS */
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0
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/* The maximum number of joysticks we'll detect */
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#define MAX_JOYSTICKS	32
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/* A list of available joysticks */
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static struct
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{
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    char *fname;
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#ifndef NO_LOGICAL_JOYSTICKS
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    SDL_Joystick *joy;
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    struct joystick_logicalmap *map;
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    int prev;
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    int next;
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    int logicalno;
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#endif                          /* USE_LOGICAL_JOYSTICKS */
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} SDL_joylist[MAX_JOYSTICKS];
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0
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#ifndef NO_LOGICAL_JOYSTICKS
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static int
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CountLogicalJoysticks(int max)
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{
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    register int i, j, k, ret, prev;
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    const char *name;
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    int nbuttons, fd;
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    unsigned char n;
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    ret = 0;
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    for (i = 0; i < max; i++) {
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        name = SDL_SYS_JoystickName(i);
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        fd = open(SDL_joylist[i].fname, O_RDONLY, 0);
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        if (fd >= 0) {
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            if (ioctl(fd, JSIOCGBUTTONS, &n) < 0) {
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                nbuttons = -1;
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            } else {
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                nbuttons = n;
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            }
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            close(fd);
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        } else {
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            nbuttons = -1;
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        }
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        if (name) {
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            for (j = 0; j < SDL_arraysize(joystick_logicalmap); j++) {
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                if (!SDL_strcmp(name, joystick_logicalmap[j].name)
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                    && (nbuttons == -1
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                        || nbuttons == joystick_logicalmap[j].nbuttons)) {
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                    prev = i;
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                    SDL_joylist[prev].map = &(joystick_logicalmap[j]);
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   323
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                    for (k = 1; k < joystick_logicalmap[j].njoys; k++) {
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                        SDL_joylist[prev].next = max + ret;
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                        SDL_joylist[max + ret].prev = prev;
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                        prev = max + ret;
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   329
                        SDL_joylist[prev].logicalno = k;
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                        SDL_joylist[prev].map = &(joystick_logicalmap[j]);
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                        ret++;
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   332
                    }
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   334
                    break;
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   335
                }
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   336
            }
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   337
        }
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   338
    }
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    return ret;
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}
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static void
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LogicalSuffix(int logicalno, char *namebuf, int len)
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{
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    register int slen;
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    const static char suffixs[] =
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        "01020304050607080910111213141516171819" "20212223242526272829303132";
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    const char *suffix;
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    slen = SDL_strlen(namebuf);
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    suffix = NULL;
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    if (logicalno * 2 < sizeof(suffixs))
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        suffix = suffixs + (logicalno * 2);
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   356
    if (slen + 4 < len && suffix) {
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   357
        namebuf[slen++] = ' ';
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   358
        namebuf[slen++] = '#';
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   359
        namebuf[slen++] = suffix[0];
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   360
        namebuf[slen++] = suffix[1];
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   361
        namebuf[slen++] = 0;
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   362
    }
892
dc29e5907694 Date: Sun, 18 Apr 2004 16:09:53 -0400 (EDT)
Sam Lantinga <slouken@libsdl.org>
parents: 872
diff changeset
   363
}
dc29e5907694 Date: Sun, 18 Apr 2004 16:09:53 -0400 (EDT)
Sam Lantinga <slouken@libsdl.org>
parents: 872
diff changeset
   364
dc29e5907694 Date: Sun, 18 Apr 2004 16:09:53 -0400 (EDT)
Sam Lantinga <slouken@libsdl.org>
parents: 872
diff changeset
   365
#endif /* USE_LOGICAL_JOYSTICKS */
dc29e5907694 Date: Sun, 18 Apr 2004 16:09:53 -0400 (EDT)
Sam Lantinga <slouken@libsdl.org>
parents: 872
diff changeset
   366
1361
19418e4422cb New configure-based build system. Still work in progress, but much improved
Sam Lantinga <slouken@libsdl.org>
parents: 1358
diff changeset
   367
#if SDL_INPUT_LINUXEV
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   368
#define test_bit(nr, addr) \
3404
c9dcc73f6a36 Fixed bug #853
Sam Lantinga <slouken@libsdl.org>
parents: 3326
diff changeset
   369
	(((1UL << ((nr) % (sizeof(long) * 8))) & ((addr)[(nr) / (sizeof(long) * 8)])) != 0)
c9dcc73f6a36 Fixed bug #853
Sam Lantinga <slouken@libsdl.org>
parents: 3326
diff changeset
   370
#define NBITS(x) ((((x)-1)/(sizeof(long) * 8))+1)
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   371
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   372
static int
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   373
EV_IsJoystick(int fd)
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   374
{
3404
c9dcc73f6a36 Fixed bug #853
Sam Lantinga <slouken@libsdl.org>
parents: 3326
diff changeset
   375
    unsigned long evbit[NBITS(EV_MAX)] = { 0 };
c9dcc73f6a36 Fixed bug #853
Sam Lantinga <slouken@libsdl.org>
parents: 3326
diff changeset
   376
    unsigned long keybit[NBITS(KEY_MAX)] = { 0 };
c9dcc73f6a36 Fixed bug #853
Sam Lantinga <slouken@libsdl.org>
parents: 3326
diff changeset
   377
    unsigned long absbit[NBITS(ABS_MAX)] = { 0 };
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   378
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   379
    if ((ioctl(fd, EVIOCGBIT(0, sizeof(evbit)), evbit) < 0) ||
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   380
        (ioctl(fd, EVIOCGBIT(EV_KEY, sizeof(keybit)), keybit) < 0) ||
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   381
        (ioctl(fd, EVIOCGBIT(EV_ABS, sizeof(absbit)), absbit) < 0)) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   382
        return (0);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   383
    }
3079
cfc8b35ad6b1 Fixed haptic subsystem on linux 2.6.28 by lowering the EV_IsJoystick check (seems like some stuff was changed). Shouldn't break anything with earlier versions. Might need to be more robust if false positives show up.
Edgar Simo <bobbens@gmail.com>
parents: 3022
diff changeset
   384
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   385
    if (!(test_bit(EV_KEY, evbit) && test_bit(EV_ABS, evbit) &&
3079
cfc8b35ad6b1 Fixed haptic subsystem on linux 2.6.28 by lowering the EV_IsJoystick check (seems like some stuff was changed). Shouldn't break anything with earlier versions. Might need to be more robust if false positives show up.
Edgar Simo <bobbens@gmail.com>
parents: 3022
diff changeset
   386
          test_bit(ABS_X, absbit) && test_bit(ABS_Y, absbit))) {
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   387
        return 0;
3079
cfc8b35ad6b1 Fixed haptic subsystem on linux 2.6.28 by lowering the EV_IsJoystick check (seems like some stuff was changed). Shouldn't break anything with earlier versions. Might need to be more robust if false positives show up.
Edgar Simo <bobbens@gmail.com>
parents: 3022
diff changeset
   388
    }
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   389
    return (1);
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   390
}
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   391
1361
19418e4422cb New configure-based build system. Still work in progress, but much improved
Sam Lantinga <slouken@libsdl.org>
parents: 1358
diff changeset
   392
#endif /* SDL_INPUT_LINUXEV */
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   393
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   394
/* Function to scan the system for joysticks */
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   395
int
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   396
SDL_SYS_JoystickInit(void)
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   397
{
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   398
    /* The base path of the joystick devices */
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   399
    const char *joydev_pattern[] = {
1361
19418e4422cb New configure-based build system. Still work in progress, but much improved
Sam Lantinga <slouken@libsdl.org>
parents: 1358
diff changeset
   400
#if SDL_INPUT_LINUXEV
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   401
        "/dev/input/event%d",
211
0cc95f442f3a If we're looking at the /dev/input event devices, and we found
Sam Lantinga <slouken@libsdl.org>
parents: 0
diff changeset
   402
#endif
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   403
        "/dev/input/js%d",
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   404
        "/dev/js%d"
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   405
    };
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   406
    int numjoysticks;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   407
    int i, j;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   408
    int fd;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   409
    char path[PATH_MAX];
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   410
    dev_t dev_nums[MAX_JOYSTICKS];      /* major/minor device numbers */
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   411
    struct stat sb;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   412
    int n, duplicate;
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   413
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   414
    numjoysticks = 0;
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   415
5317
901a9e9ff0b7 Fixed bug #1121 (More than one device through SDL_JOYSTICK_DEVICE)
Sam Lantinga <slouken@libsdl.org>
parents: 5262
diff changeset
   416
    /* First see if the user specified one or more joysticks to use */
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   417
    if (SDL_getenv("SDL_JOYSTICK_DEVICE") != NULL) {
5317
901a9e9ff0b7 Fixed bug #1121 (More than one device through SDL_JOYSTICK_DEVICE)
Sam Lantinga <slouken@libsdl.org>
parents: 5262
diff changeset
   418
        char *envcopy, *envpath, *delim;
901a9e9ff0b7 Fixed bug #1121 (More than one device through SDL_JOYSTICK_DEVICE)
Sam Lantinga <slouken@libsdl.org>
parents: 5262
diff changeset
   419
        envcopy = SDL_strdup(SDL_getenv("SDL_JOYSTICK_DEVICE"));
901a9e9ff0b7 Fixed bug #1121 (More than one device through SDL_JOYSTICK_DEVICE)
Sam Lantinga <slouken@libsdl.org>
parents: 5262
diff changeset
   420
        envpath = envcopy;
901a9e9ff0b7 Fixed bug #1121 (More than one device through SDL_JOYSTICK_DEVICE)
Sam Lantinga <slouken@libsdl.org>
parents: 5262
diff changeset
   421
        while (envpath != NULL) {
901a9e9ff0b7 Fixed bug #1121 (More than one device through SDL_JOYSTICK_DEVICE)
Sam Lantinga <slouken@libsdl.org>
parents: 5262
diff changeset
   422
            delim = SDL_strchr(envpath, ':');
901a9e9ff0b7 Fixed bug #1121 (More than one device through SDL_JOYSTICK_DEVICE)
Sam Lantinga <slouken@libsdl.org>
parents: 5262
diff changeset
   423
            if (delim != NULL) {
901a9e9ff0b7 Fixed bug #1121 (More than one device through SDL_JOYSTICK_DEVICE)
Sam Lantinga <slouken@libsdl.org>
parents: 5262
diff changeset
   424
                *delim++ = '\0';
901a9e9ff0b7 Fixed bug #1121 (More than one device through SDL_JOYSTICK_DEVICE)
Sam Lantinga <slouken@libsdl.org>
parents: 5262
diff changeset
   425
            }
901a9e9ff0b7 Fixed bug #1121 (More than one device through SDL_JOYSTICK_DEVICE)
Sam Lantinga <slouken@libsdl.org>
parents: 5262
diff changeset
   426
            if (stat(envpath, &sb) == 0) {
901a9e9ff0b7 Fixed bug #1121 (More than one device through SDL_JOYSTICK_DEVICE)
Sam Lantinga <slouken@libsdl.org>
parents: 5262
diff changeset
   427
                fd = open(envpath, O_RDONLY, 0);
901a9e9ff0b7 Fixed bug #1121 (More than one device through SDL_JOYSTICK_DEVICE)
Sam Lantinga <slouken@libsdl.org>
parents: 5262
diff changeset
   428
                if (fd >= 0) {
901a9e9ff0b7 Fixed bug #1121 (More than one device through SDL_JOYSTICK_DEVICE)
Sam Lantinga <slouken@libsdl.org>
parents: 5262
diff changeset
   429
                    /* Assume the user knows what they're doing. */
901a9e9ff0b7 Fixed bug #1121 (More than one device through SDL_JOYSTICK_DEVICE)
Sam Lantinga <slouken@libsdl.org>
parents: 5262
diff changeset
   430
                    SDL_joylist[numjoysticks].fname = SDL_strdup(envpath);
901a9e9ff0b7 Fixed bug #1121 (More than one device through SDL_JOYSTICK_DEVICE)
Sam Lantinga <slouken@libsdl.org>
parents: 5262
diff changeset
   431
                    if (SDL_joylist[numjoysticks].fname) {
901a9e9ff0b7 Fixed bug #1121 (More than one device through SDL_JOYSTICK_DEVICE)
Sam Lantinga <slouken@libsdl.org>
parents: 5262
diff changeset
   432
                        dev_nums[numjoysticks] = sb.st_rdev;
901a9e9ff0b7 Fixed bug #1121 (More than one device through SDL_JOYSTICK_DEVICE)
Sam Lantinga <slouken@libsdl.org>
parents: 5262
diff changeset
   433
                        ++numjoysticks;
901a9e9ff0b7 Fixed bug #1121 (More than one device through SDL_JOYSTICK_DEVICE)
Sam Lantinga <slouken@libsdl.org>
parents: 5262
diff changeset
   434
                    }
901a9e9ff0b7 Fixed bug #1121 (More than one device through SDL_JOYSTICK_DEVICE)
Sam Lantinga <slouken@libsdl.org>
parents: 5262
diff changeset
   435
                    close(fd);
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   436
                }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   437
            }
5317
901a9e9ff0b7 Fixed bug #1121 (More than one device through SDL_JOYSTICK_DEVICE)
Sam Lantinga <slouken@libsdl.org>
parents: 5262
diff changeset
   438
            envpath = delim;
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   439
        }
5317
901a9e9ff0b7 Fixed bug #1121 (More than one device through SDL_JOYSTICK_DEVICE)
Sam Lantinga <slouken@libsdl.org>
parents: 5262
diff changeset
   440
        SDL_free(envcopy);
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   441
    }
554
38b1a98aeb11 Linux joystick cleanups from Alan Swanson
Sam Lantinga <slouken@libsdl.org>
parents: 408
diff changeset
   442
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   443
    for (i = 0; i < SDL_arraysize(joydev_pattern); ++i) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   444
        for (j = 0; j < MAX_JOYSTICKS; ++j) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   445
            SDL_snprintf(path, SDL_arraysize(path), joydev_pattern[i], j);
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   446
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   447
            /* rcg06302000 replaced access(F_OK) call with stat().
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   448
             * stat() will fail if the file doesn't exist, so it's
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   449
             * equivalent behaviour.
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   450
             */
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   451
            if (stat(path, &sb) == 0) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   452
                /* Check to make sure it's not already in list.
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   453
                 * This happens when we see a stick via symlink.
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   454
                 */
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   455
                duplicate = 0;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   456
                for (n = 0; (n < numjoysticks) && !duplicate; ++n) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   457
                    if (sb.st_rdev == dev_nums[n]) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   458
                        duplicate = 1;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   459
                    }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   460
                }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   461
                if (duplicate) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   462
                    continue;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   463
                }
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   464
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   465
                fd = open(path, O_RDONLY, 0);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   466
                if (fd < 0) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   467
                    continue;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   468
                }
1361
19418e4422cb New configure-based build system. Still work in progress, but much improved
Sam Lantinga <slouken@libsdl.org>
parents: 1358
diff changeset
   469
#if SDL_INPUT_LINUXEV
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   470
#ifdef DEBUG_INPUT_EVENTS
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   471
                printf("Checking %s\n", path);
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   472
#endif
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   473
                if ((i == 0) && !EV_IsJoystick(fd)) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   474
                    close(fd);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   475
                    continue;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   476
                }
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   477
#endif
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   478
                close(fd);
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   479
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   480
                /* We're fine, add this joystick */
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   481
                SDL_joylist[numjoysticks].fname = SDL_strdup(path);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   482
                if (SDL_joylist[numjoysticks].fname) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   483
                    dev_nums[numjoysticks] = sb.st_rdev;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   484
                    ++numjoysticks;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   485
                }
2285
a5de28552be4 Fixed bug #497
Sam Lantinga <slouken@libsdl.org>
parents: 2120
diff changeset
   486
            }
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   487
        }
554
38b1a98aeb11 Linux joystick cleanups from Alan Swanson
Sam Lantinga <slouken@libsdl.org>
parents: 408
diff changeset
   488
1361
19418e4422cb New configure-based build system. Still work in progress, but much improved
Sam Lantinga <slouken@libsdl.org>
parents: 1358
diff changeset
   489
#if SDL_INPUT_LINUXEV
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   490
        /* This is a special case...
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   491
           If the event devices are valid then the joystick devices
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   492
           will be duplicates but without extra information about their
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   493
           hats or balls. Unfortunately, the event devices can't
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   494
           currently be calibrated, so it's a win-lose situation.
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   495
           So : /dev/input/eventX = /dev/input/jsY = /dev/jsY
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   496
         */
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   497
        if ((i == 0) && (numjoysticks > 0))
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   498
            break;
554
38b1a98aeb11 Linux joystick cleanups from Alan Swanson
Sam Lantinga <slouken@libsdl.org>
parents: 408
diff changeset
   499
#endif
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   500
    }
892
dc29e5907694 Date: Sun, 18 Apr 2004 16:09:53 -0400 (EDT)
Sam Lantinga <slouken@libsdl.org>
parents: 872
diff changeset
   501
#ifndef NO_LOGICAL_JOYSTICKS
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   502
    numjoysticks += CountLogicalJoysticks(numjoysticks);
892
dc29e5907694 Date: Sun, 18 Apr 2004 16:09:53 -0400 (EDT)
Sam Lantinga <slouken@libsdl.org>
parents: 872
diff changeset
   503
#endif
554
38b1a98aeb11 Linux joystick cleanups from Alan Swanson
Sam Lantinga <slouken@libsdl.org>
parents: 408
diff changeset
   504
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   505
    return (numjoysticks);
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   506
}
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   507
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   508
/* Function to get the device-dependent name of a joystick */
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   509
const char *
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   510
SDL_SYS_JoystickName(int index)
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   511
{
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   512
    int fd;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   513
    static char namebuf[128];
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   514
    char *name;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   515
    SDL_logical_joydecl(int oindex = index);
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   516
892
dc29e5907694 Date: Sun, 18 Apr 2004 16:09:53 -0400 (EDT)
Sam Lantinga <slouken@libsdl.org>
parents: 872
diff changeset
   517
#ifndef NO_LOGICAL_JOYSTICKS
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   518
    SDL_joylist_head(index, index);
892
dc29e5907694 Date: Sun, 18 Apr 2004 16:09:53 -0400 (EDT)
Sam Lantinga <slouken@libsdl.org>
parents: 872
diff changeset
   519
#endif
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   520
    name = NULL;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   521
    fd = open(SDL_joylist[index].fname, O_RDONLY, 0);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   522
    if (fd >= 0) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   523
        if (
1361
19418e4422cb New configure-based build system. Still work in progress, but much improved
Sam Lantinga <slouken@libsdl.org>
parents: 1358
diff changeset
   524
#if SDL_INPUT_LINUXEV
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   525
               (ioctl(fd, EVIOCGNAME(sizeof(namebuf)), namebuf) <= 0) &&
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   526
#endif
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   527
               (ioctl(fd, JSIOCGNAME(sizeof(namebuf)), namebuf) <= 0)) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   528
            name = SDL_joylist[index].fname;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   529
        } else {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   530
            name = namebuf;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   531
        }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   532
        close(fd);
892
dc29e5907694 Date: Sun, 18 Apr 2004 16:09:53 -0400 (EDT)
Sam Lantinga <slouken@libsdl.org>
parents: 872
diff changeset
   533
1551
02e19471a694 Fixed bug #4
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
   534
892
dc29e5907694 Date: Sun, 18 Apr 2004 16:09:53 -0400 (EDT)
Sam Lantinga <slouken@libsdl.org>
parents: 872
diff changeset
   535
#ifndef NO_LOGICAL_JOYSTICKS
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   536
        if (SDL_joylist[oindex].prev || SDL_joylist[oindex].next
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   537
            || index != oindex) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   538
            LogicalSuffix(SDL_joylist[oindex].logicalno, namebuf, 128);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   539
        }
892
dc29e5907694 Date: Sun, 18 Apr 2004 16:09:53 -0400 (EDT)
Sam Lantinga <slouken@libsdl.org>
parents: 872
diff changeset
   540
#endif
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   541
    }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   542
    return name;
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   543
}
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   544
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   545
static int
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   546
allocate_hatdata(SDL_Joystick * joystick)
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   547
{
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   548
    int i;
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   549
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   550
    joystick->hwdata->hats =
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   551
        (struct hwdata_hat *) SDL_malloc(joystick->nhats *
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   552
                                         sizeof(struct hwdata_hat));
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   553
    if (joystick->hwdata->hats == NULL) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   554
        return (-1);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   555
    }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   556
    for (i = 0; i < joystick->nhats; ++i) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   557
        joystick->hwdata->hats[i].axis[0] = 1;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   558
        joystick->hwdata->hats[i].axis[1] = 1;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   559
    }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   560
    return (0);
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   561
}
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   562
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   563
static int
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   564
allocate_balldata(SDL_Joystick * joystick)
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   565
{
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   566
    int i;
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   567
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   568
    joystick->hwdata->balls =
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   569
        (struct hwdata_ball *) SDL_malloc(joystick->nballs *
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   570
                                          sizeof(struct hwdata_ball));
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   571
    if (joystick->hwdata->balls == NULL) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   572
        return (-1);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   573
    }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   574
    for (i = 0; i < joystick->nballs; ++i) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   575
        joystick->hwdata->balls[i].axis[0] = 0;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   576
        joystick->hwdata->balls[i].axis[1] = 0;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   577
    }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   578
    return (0);
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   579
}
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   580
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   581
static SDL_bool
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   582
JS_ConfigJoystick(SDL_Joystick * joystick, int fd)
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   583
{
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   584
    SDL_bool handled;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   585
    unsigned char n;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   586
    int old_axes, tmp_naxes, tmp_nhats, tmp_nballs;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   587
    const char *name;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   588
    char *env, env_name[128];
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   589
    int i;
554
38b1a98aeb11 Linux joystick cleanups from Alan Swanson
Sam Lantinga <slouken@libsdl.org>
parents: 408
diff changeset
   590
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   591
    handled = SDL_FALSE;
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   592
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   593
    /* Default joystick device settings */
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   594
    if (ioctl(fd, JSIOCGAXES, &n) < 0) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   595
        joystick->naxes = 2;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   596
    } else {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   597
        joystick->naxes = n;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   598
    }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   599
    if (ioctl(fd, JSIOCGBUTTONS, &n) < 0) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   600
        joystick->nbuttons = 2;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   601
    } else {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   602
        joystick->nbuttons = n;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   603
    }
554
38b1a98aeb11 Linux joystick cleanups from Alan Swanson
Sam Lantinga <slouken@libsdl.org>
parents: 408
diff changeset
   604
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   605
    name = SDL_SYS_JoystickName(joystick->index);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   606
    old_axes = joystick->naxes;
554
38b1a98aeb11 Linux joystick cleanups from Alan Swanson
Sam Lantinga <slouken@libsdl.org>
parents: 408
diff changeset
   607
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   608
    /* Generic analog joystick support */
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   609
    if (SDL_strstr(name, "Analog") == name && SDL_strstr(name, "-hat")) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   610
        if (SDL_sscanf(name, "Analog %d-axis %*d-button %d-hat",
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   611
                       &tmp_naxes, &tmp_nhats) == 2) {
554
38b1a98aeb11 Linux joystick cleanups from Alan Swanson
Sam Lantinga <slouken@libsdl.org>
parents: 408
diff changeset
   612
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   613
            joystick->naxes = tmp_naxes;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   614
            joystick->nhats = tmp_nhats;
554
38b1a98aeb11 Linux joystick cleanups from Alan Swanson
Sam Lantinga <slouken@libsdl.org>
parents: 408
diff changeset
   615
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   616
            handled = SDL_TRUE;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   617
        }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   618
    }
554
38b1a98aeb11 Linux joystick cleanups from Alan Swanson
Sam Lantinga <slouken@libsdl.org>
parents: 408
diff changeset
   619
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   620
    /* Special joystick support */
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   621
    for (i = 0; i < SDL_arraysize(special_joysticks); ++i) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   622
        if (SDL_strcmp(name, special_joysticks[i].name) == 0) {
554
38b1a98aeb11 Linux joystick cleanups from Alan Swanson
Sam Lantinga <slouken@libsdl.org>
parents: 408
diff changeset
   623
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   624
            joystick->naxes = special_joysticks[i].naxes;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   625
            joystick->nhats = special_joysticks[i].nhats;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   626
            joystick->nballs = special_joysticks[i].nballs;
554
38b1a98aeb11 Linux joystick cleanups from Alan Swanson
Sam Lantinga <slouken@libsdl.org>
parents: 408
diff changeset
   627
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   628
            handled = SDL_TRUE;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   629
            break;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   630
        }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   631
    }
554
38b1a98aeb11 Linux joystick cleanups from Alan Swanson
Sam Lantinga <slouken@libsdl.org>
parents: 408
diff changeset
   632
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   633
    /* User environment joystick support */
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   634
    if ((env = SDL_getenv("SDL_LINUX_JOYSTICK"))) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   635
        *env_name = '\0';
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   636
        if (*env == '\'' && SDL_sscanf(env, "'%[^']s'", env_name) == 1)
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   637
            env += SDL_strlen(env_name) + 2;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   638
        else if (SDL_sscanf(env, "%s", env_name) == 1)
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   639
            env += SDL_strlen(env_name);
554
38b1a98aeb11 Linux joystick cleanups from Alan Swanson
Sam Lantinga <slouken@libsdl.org>
parents: 408
diff changeset
   640
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   641
        if (SDL_strcmp(name, env_name) == 0) {
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   642
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   643
            if (SDL_sscanf(env, "%d %d %d", &tmp_naxes, &tmp_nhats,
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   644
                           &tmp_nballs) == 3) {
554
38b1a98aeb11 Linux joystick cleanups from Alan Swanson
Sam Lantinga <slouken@libsdl.org>
parents: 408
diff changeset
   645
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   646
                joystick->naxes = tmp_naxes;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   647
                joystick->nhats = tmp_nhats;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   648
                joystick->nballs = tmp_nballs;
554
38b1a98aeb11 Linux joystick cleanups from Alan Swanson
Sam Lantinga <slouken@libsdl.org>
parents: 408
diff changeset
   649
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   650
                handled = SDL_TRUE;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   651
            }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   652
        }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   653
    }
554
38b1a98aeb11 Linux joystick cleanups from Alan Swanson
Sam Lantinga <slouken@libsdl.org>
parents: 408
diff changeset
   654
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   655
    /* Remap hats and balls */
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   656
    if (handled) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   657
        if (joystick->nhats > 0) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   658
            if (allocate_hatdata(joystick) < 0) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   659
                joystick->nhats = 0;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   660
            }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   661
        }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   662
        if (joystick->nballs > 0) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   663
            if (allocate_balldata(joystick) < 0) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   664
                joystick->nballs = 0;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   665
            }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   666
        }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   667
    }
554
38b1a98aeb11 Linux joystick cleanups from Alan Swanson
Sam Lantinga <slouken@libsdl.org>
parents: 408
diff changeset
   668
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   669
    return (handled);
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   670
}
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   671
1361
19418e4422cb New configure-based build system. Still work in progress, but much improved
Sam Lantinga <slouken@libsdl.org>
parents: 1358
diff changeset
   672
#if SDL_INPUT_LINUXEV
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   673
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   674
static SDL_bool
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   675
EV_ConfigJoystick(SDL_Joystick * joystick, int fd)
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   676
{
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   677
    int i, t;
3404
c9dcc73f6a36 Fixed bug #853
Sam Lantinga <slouken@libsdl.org>
parents: 3326
diff changeset
   678
    unsigned long keybit[NBITS(KEY_MAX)] = { 0 };
c9dcc73f6a36 Fixed bug #853
Sam Lantinga <slouken@libsdl.org>
parents: 3326
diff changeset
   679
    unsigned long absbit[NBITS(ABS_MAX)] = { 0 };
c9dcc73f6a36 Fixed bug #853
Sam Lantinga <slouken@libsdl.org>
parents: 3326
diff changeset
   680
    unsigned long relbit[NBITS(REL_MAX)] = { 0 };
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   681
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   682
    /* See if this device uses the new unified event API */
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   683
    if ((ioctl(fd, EVIOCGBIT(EV_KEY, sizeof(keybit)), keybit) >= 0) &&
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   684
        (ioctl(fd, EVIOCGBIT(EV_ABS, sizeof(absbit)), absbit) >= 0) &&
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   685
        (ioctl(fd, EVIOCGBIT(EV_REL, sizeof(relbit)), relbit) >= 0)) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   686
        joystick->hwdata->is_hid = SDL_TRUE;
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   687
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   688
        /* Get the number of buttons, axes, and other thingamajigs */
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   689
        for (i = BTN_JOYSTICK; i < KEY_MAX; ++i) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   690
            if (test_bit(i, keybit)) {
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   691
#ifdef DEBUG_INPUT_EVENTS
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   692
                printf("Joystick has button: 0x%x\n", i);
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   693
#endif
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   694
                joystick->hwdata->key_map[i - BTN_MISC] = joystick->nbuttons;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   695
                ++joystick->nbuttons;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   696
            }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   697
        }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   698
        for (i = BTN_MISC; i < BTN_JOYSTICK; ++i) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   699
            if (test_bit(i, keybit)) {
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   700
#ifdef DEBUG_INPUT_EVENTS
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   701
                printf("Joystick has button: 0x%x\n", i);
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   702
#endif
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   703
                joystick->hwdata->key_map[i - BTN_MISC] = joystick->nbuttons;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   704
                ++joystick->nbuttons;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   705
            }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   706
        }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   707
        for (i = 0; i < ABS_MAX; ++i) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   708
            /* Skip hats */
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   709
            if (i == ABS_HAT0X) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   710
                i = ABS_HAT3Y;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   711
                continue;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   712
            }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   713
            if (test_bit(i, absbit)) {
5084
ac2c68eb1bb9 Fixed bug #1080
Sam Lantinga <slouken@libsdl.org>
parents: 3697
diff changeset
   714
                struct input_absinfo absinfo;
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   715
5085
e7680e2c9f3c Fixed compile error
Sam Lantinga <slouken@libsdl.org>
parents: 5084
diff changeset
   716
                if (ioctl(fd, EVIOCGABS(i), &absinfo) < 0)
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   717
                    continue;
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   718
#ifdef DEBUG_INPUT_EVENTS
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   719
                printf("Joystick has absolute axis: %x\n", i);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   720
                printf("Values = { %d, %d, %d, %d, %d }\n",
5084
ac2c68eb1bb9 Fixed bug #1080
Sam Lantinga <slouken@libsdl.org>
parents: 3697
diff changeset
   721
                       absinfo.value, absinfo.minimum, absinfo.maximum,
ac2c68eb1bb9 Fixed bug #1080
Sam Lantinga <slouken@libsdl.org>
parents: 3697
diff changeset
   722
                       absinfo.fuzz, absinfo.flat);
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   723
#endif /* DEBUG_INPUT_EVENTS */
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   724
                joystick->hwdata->abs_map[i] = joystick->naxes;
5084
ac2c68eb1bb9 Fixed bug #1080
Sam Lantinga <slouken@libsdl.org>
parents: 3697
diff changeset
   725
                if (absinfo.minimum == absinfo.maximum) {
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   726
                    joystick->hwdata->abs_correct[i].used = 0;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   727
                } else {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   728
                    joystick->hwdata->abs_correct[i].used = 1;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   729
                    joystick->hwdata->abs_correct[i].coef[0] =
5084
ac2c68eb1bb9 Fixed bug #1080
Sam Lantinga <slouken@libsdl.org>
parents: 3697
diff changeset
   730
                        (absinfo.maximum + absinfo.minimum) / 2 - absinfo.flat;
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   731
                    joystick->hwdata->abs_correct[i].coef[1] =
5084
ac2c68eb1bb9 Fixed bug #1080
Sam Lantinga <slouken@libsdl.org>
parents: 3697
diff changeset
   732
                        (absinfo.maximum + absinfo.minimum) / 2 + absinfo.flat;
ac2c68eb1bb9 Fixed bug #1080
Sam Lantinga <slouken@libsdl.org>
parents: 3697
diff changeset
   733
                    t = ((absinfo.maximum - absinfo.minimum) / 2 - 2 * absinfo.flat);
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   734
                    if (t != 0) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   735
                        joystick->hwdata->abs_correct[i].coef[2] =
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   736
                            (1 << 29) / t;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   737
                    } else {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   738
                        joystick->hwdata->abs_correct[i].coef[2] = 0;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   739
                    }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   740
                }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   741
                ++joystick->naxes;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   742
            }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   743
        }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   744
        for (i = ABS_HAT0X; i <= ABS_HAT3Y; i += 2) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   745
            if (test_bit(i, absbit) || test_bit(i + 1, absbit)) {
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   746
#ifdef DEBUG_INPUT_EVENTS
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   747
                printf("Joystick has hat %d\n", (i - ABS_HAT0X) / 2);
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   748
#endif
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   749
                ++joystick->nhats;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   750
            }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   751
        }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   752
        if (test_bit(REL_X, relbit) || test_bit(REL_Y, relbit)) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   753
            ++joystick->nballs;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   754
        }
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   755
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   756
        /* Allocate data to keep track of these thingamajigs */
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   757
        if (joystick->nhats > 0) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   758
            if (allocate_hatdata(joystick) < 0) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   759
                joystick->nhats = 0;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   760
            }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   761
        }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   762
        if (joystick->nballs > 0) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   763
            if (allocate_balldata(joystick) < 0) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   764
                joystick->nballs = 0;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   765
            }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   766
        }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   767
    }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   768
    return (joystick->hwdata->is_hid);
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   769
}
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   770
1361
19418e4422cb New configure-based build system. Still work in progress, but much improved
Sam Lantinga <slouken@libsdl.org>
parents: 1358
diff changeset
   771
#endif /* SDL_INPUT_LINUXEV */
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   772
892
dc29e5907694 Date: Sun, 18 Apr 2004 16:09:53 -0400 (EDT)
Sam Lantinga <slouken@libsdl.org>
parents: 872
diff changeset
   773
#ifndef NO_LOGICAL_JOYSTICKS
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   774
static void
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   775
ConfigLogicalJoystick(SDL_Joystick * joystick)
892
dc29e5907694 Date: Sun, 18 Apr 2004 16:09:53 -0400 (EDT)
Sam Lantinga <slouken@libsdl.org>
parents: 872
diff changeset
   776
{
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   777
    struct joystick_logical_layout *layout;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   778
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   779
    layout = SDL_joylist[joystick->index].map->layout +
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   780
        SDL_joylist[joystick->index].logicalno;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   781
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   782
    joystick->nbuttons = layout->nbuttons;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   783
    joystick->nhats = layout->nhats;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   784
    joystick->naxes = layout->naxes;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   785
    joystick->nballs = layout->nballs;
892
dc29e5907694 Date: Sun, 18 Apr 2004 16:09:53 -0400 (EDT)
Sam Lantinga <slouken@libsdl.org>
parents: 872
diff changeset
   786
}
dc29e5907694 Date: Sun, 18 Apr 2004 16:09:53 -0400 (EDT)
Sam Lantinga <slouken@libsdl.org>
parents: 872
diff changeset
   787
#endif
dc29e5907694 Date: Sun, 18 Apr 2004 16:09:53 -0400 (EDT)
Sam Lantinga <slouken@libsdl.org>
parents: 872
diff changeset
   788
dc29e5907694 Date: Sun, 18 Apr 2004 16:09:53 -0400 (EDT)
Sam Lantinga <slouken@libsdl.org>
parents: 872
diff changeset
   789
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   790
/* Function to open a joystick for use.
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   791
   The joystick to open is specified by the index field of the joystick.
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   792
   This should fill the nbuttons and naxes fields of the joystick structure.
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   793
   It returns 0, or -1 if there is an error.
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   794
 */
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   795
int
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   796
SDL_SYS_JoystickOpen(SDL_Joystick * joystick)
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   797
{
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   798
    int fd;
2713
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents: 2285
diff changeset
   799
    char *fname;
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   800
    SDL_logical_joydecl(int realindex);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   801
    SDL_logical_joydecl(SDL_Joystick * realjoy = NULL);
892
dc29e5907694 Date: Sun, 18 Apr 2004 16:09:53 -0400 (EDT)
Sam Lantinga <slouken@libsdl.org>
parents: 872
diff changeset
   802
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   803
    /* Open the joystick and set the joystick file descriptor */
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   804
#ifndef NO_LOGICAL_JOYSTICKS
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   805
    if (SDL_joylist[joystick->index].fname == NULL) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   806
        SDL_joylist_head(realindex, joystick->index);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   807
        realjoy = SDL_JoystickOpen(realindex);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   808
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   809
        if (realjoy == NULL)
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   810
            return (-1);
892
dc29e5907694 Date: Sun, 18 Apr 2004 16:09:53 -0400 (EDT)
Sam Lantinga <slouken@libsdl.org>
parents: 872
diff changeset
   811
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   812
        fd = realjoy->hwdata->fd;
2713
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents: 2285
diff changeset
   813
        fname = realjoy->hwdata->fname;
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   814
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   815
    } else {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   816
        fd = open(SDL_joylist[joystick->index].fname, O_RDONLY, 0);
2713
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents: 2285
diff changeset
   817
        fname = SDL_joylist[joystick->index].fname;
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   818
    }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   819
    SDL_joylist[joystick->index].joy = joystick;
892
dc29e5907694 Date: Sun, 18 Apr 2004 16:09:53 -0400 (EDT)
Sam Lantinga <slouken@libsdl.org>
parents: 872
diff changeset
   820
#else
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   821
    fd = open(SDL_joylist[joystick->index].fname, O_RDONLY, 0);
2713
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents: 2285
diff changeset
   822
    fname = SDL_joylist[joystick->index].fname;
892
dc29e5907694 Date: Sun, 18 Apr 2004 16:09:53 -0400 (EDT)
Sam Lantinga <slouken@libsdl.org>
parents: 872
diff changeset
   823
#endif
dc29e5907694 Date: Sun, 18 Apr 2004 16:09:53 -0400 (EDT)
Sam Lantinga <slouken@libsdl.org>
parents: 872
diff changeset
   824
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   825
    if (fd < 0) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   826
        SDL_SetError("Unable to open %s\n", SDL_joylist[joystick->index]);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   827
        return (-1);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   828
    }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   829
    joystick->hwdata = (struct joystick_hwdata *)
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   830
        SDL_malloc(sizeof(*joystick->hwdata));
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   831
    if (joystick->hwdata == NULL) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   832
        SDL_OutOfMemory();
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   833
        close(fd);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   834
        return (-1);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   835
    }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   836
    SDL_memset(joystick->hwdata, 0, sizeof(*joystick->hwdata));
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   837
    joystick->hwdata->fd = fd;
2713
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents: 2285
diff changeset
   838
    joystick->hwdata->fname = fname;
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   839
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   840
    /* Set the joystick to non-blocking read mode */
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   841
    fcntl(fd, F_SETFL, O_NONBLOCK);
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   842
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   843
    /* Get the number of buttons and axes on the joystick */
892
dc29e5907694 Date: Sun, 18 Apr 2004 16:09:53 -0400 (EDT)
Sam Lantinga <slouken@libsdl.org>
parents: 872
diff changeset
   844
#ifndef NO_LOGICAL_JOYSTICKS
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   845
    if (realjoy)
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   846
        ConfigLogicalJoystick(joystick);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   847
    else
892
dc29e5907694 Date: Sun, 18 Apr 2004 16:09:53 -0400 (EDT)
Sam Lantinga <slouken@libsdl.org>
parents: 872
diff changeset
   848
#endif
1361
19418e4422cb New configure-based build system. Still work in progress, but much improved
Sam Lantinga <slouken@libsdl.org>
parents: 1358
diff changeset
   849
#if SDL_INPUT_LINUXEV
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   850
    if (!EV_ConfigJoystick(joystick, fd))
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   851
#endif
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   852
        JS_ConfigJoystick(joystick, fd);
554
38b1a98aeb11 Linux joystick cleanups from Alan Swanson
Sam Lantinga <slouken@libsdl.org>
parents: 408
diff changeset
   853
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   854
    return (0);
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   855
}
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   856
892
dc29e5907694 Date: Sun, 18 Apr 2004 16:09:53 -0400 (EDT)
Sam Lantinga <slouken@libsdl.org>
parents: 872
diff changeset
   857
#ifndef NO_LOGICAL_JOYSTICKS
dc29e5907694 Date: Sun, 18 Apr 2004 16:09:53 -0400 (EDT)
Sam Lantinga <slouken@libsdl.org>
parents: 872
diff changeset
   858
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   859
static SDL_Joystick *
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   860
FindLogicalJoystick(SDL_Joystick * joystick,
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   861
                    struct joystick_logical_mapping *v)
892
dc29e5907694 Date: Sun, 18 Apr 2004 16:09:53 -0400 (EDT)
Sam Lantinga <slouken@libsdl.org>
parents: 872
diff changeset
   862
{
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   863
    SDL_Joystick *logicaljoy;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   864
    register int i;
892
dc29e5907694 Date: Sun, 18 Apr 2004 16:09:53 -0400 (EDT)
Sam Lantinga <slouken@libsdl.org>
parents: 872
diff changeset
   865
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   866
    i = joystick->index;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   867
    logicaljoy = NULL;
892
dc29e5907694 Date: Sun, 18 Apr 2004 16:09:53 -0400 (EDT)
Sam Lantinga <slouken@libsdl.org>
parents: 872
diff changeset
   868
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   869
    /* get the fake joystick that will receive the event
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   870
     */
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   871
    for (;;) {
892
dc29e5907694 Date: Sun, 18 Apr 2004 16:09:53 -0400 (EDT)
Sam Lantinga <slouken@libsdl.org>
parents: 872
diff changeset
   872
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   873
        if (SDL_joylist[i].logicalno == v->njoy) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   874
            logicaljoy = SDL_joylist[i].joy;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   875
            break;
892
dc29e5907694 Date: Sun, 18 Apr 2004 16:09:53 -0400 (EDT)
Sam Lantinga <slouken@libsdl.org>
parents: 872
diff changeset
   876
        }
dc29e5907694 Date: Sun, 18 Apr 2004 16:09:53 -0400 (EDT)
Sam Lantinga <slouken@libsdl.org>
parents: 872
diff changeset
   877
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   878
        if (SDL_joylist[i].next == 0)
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   879
            break;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   880
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   881
        i = SDL_joylist[i].next;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   882
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   883
    }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   884
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   885
    return logicaljoy;
892
dc29e5907694 Date: Sun, 18 Apr 2004 16:09:53 -0400 (EDT)
Sam Lantinga <slouken@libsdl.org>
parents: 872
diff changeset
   886
}
dc29e5907694 Date: Sun, 18 Apr 2004 16:09:53 -0400 (EDT)
Sam Lantinga <slouken@libsdl.org>
parents: 872
diff changeset
   887
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   888
static int
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   889
LogicalJoystickButton(SDL_Joystick * joystick, Uint8 button, Uint8 state)
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   890
{
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   891
    struct joystick_logical_mapping *buttons;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   892
    SDL_Joystick *logicaljoy = NULL;
892
dc29e5907694 Date: Sun, 18 Apr 2004 16:09:53 -0400 (EDT)
Sam Lantinga <slouken@libsdl.org>
parents: 872
diff changeset
   893
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   894
    /* if there's no map then this is just a regular joystick
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   895
     */
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   896
    if (SDL_joylist[joystick->index].map == NULL)
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   897
        return 0;
892
dc29e5907694 Date: Sun, 18 Apr 2004 16:09:53 -0400 (EDT)
Sam Lantinga <slouken@libsdl.org>
parents: 872
diff changeset
   898
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   899
    /* get the logical joystick that will receive the event
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   900
     */
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   901
    buttons = SDL_joylist[joystick->index].map->buttonmap + button;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   902
    logicaljoy = FindLogicalJoystick(joystick, buttons);
892
dc29e5907694 Date: Sun, 18 Apr 2004 16:09:53 -0400 (EDT)
Sam Lantinga <slouken@libsdl.org>
parents: 872
diff changeset
   903
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   904
    if (logicaljoy == NULL)
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   905
        return 1;
892
dc29e5907694 Date: Sun, 18 Apr 2004 16:09:53 -0400 (EDT)
Sam Lantinga <slouken@libsdl.org>
parents: 872
diff changeset
   906
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   907
    SDL_PrivateJoystickButton(logicaljoy, buttons->nthing, state);
892
dc29e5907694 Date: Sun, 18 Apr 2004 16:09:53 -0400 (EDT)
Sam Lantinga <slouken@libsdl.org>
parents: 872
diff changeset
   908
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   909
    return 1;
892
dc29e5907694 Date: Sun, 18 Apr 2004 16:09:53 -0400 (EDT)
Sam Lantinga <slouken@libsdl.org>
parents: 872
diff changeset
   910
}
dc29e5907694 Date: Sun, 18 Apr 2004 16:09:53 -0400 (EDT)
Sam Lantinga <slouken@libsdl.org>
parents: 872
diff changeset
   911
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   912
static int
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   913
LogicalJoystickAxis(SDL_Joystick * joystick, Uint8 axis, Sint16 value)
892
dc29e5907694 Date: Sun, 18 Apr 2004 16:09:53 -0400 (EDT)
Sam Lantinga <slouken@libsdl.org>
parents: 872
diff changeset
   914
{
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   915
    struct joystick_logical_mapping *axes;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   916
    SDL_Joystick *logicaljoy = NULL;
892
dc29e5907694 Date: Sun, 18 Apr 2004 16:09:53 -0400 (EDT)
Sam Lantinga <slouken@libsdl.org>
parents: 872
diff changeset
   917
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   918
    /* if there's no map then this is just a regular joystick
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   919
     */
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   920
    if (SDL_joylist[joystick->index].map == NULL)
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   921
        return 0;
892
dc29e5907694 Date: Sun, 18 Apr 2004 16:09:53 -0400 (EDT)
Sam Lantinga <slouken@libsdl.org>
parents: 872
diff changeset
   922
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   923
    /* get the logical joystick that will receive the event
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   924
     */
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   925
    axes = SDL_joylist[joystick->index].map->axismap + axis;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   926
    logicaljoy = FindLogicalJoystick(joystick, axes);
892
dc29e5907694 Date: Sun, 18 Apr 2004 16:09:53 -0400 (EDT)
Sam Lantinga <slouken@libsdl.org>
parents: 872
diff changeset
   927
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   928
    if (logicaljoy == NULL)
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   929
        return 1;
892
dc29e5907694 Date: Sun, 18 Apr 2004 16:09:53 -0400 (EDT)
Sam Lantinga <slouken@libsdl.org>
parents: 872
diff changeset
   930
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   931
    SDL_PrivateJoystickAxis(logicaljoy, axes->nthing, value);
892
dc29e5907694 Date: Sun, 18 Apr 2004 16:09:53 -0400 (EDT)
Sam Lantinga <slouken@libsdl.org>
parents: 872
diff changeset
   932
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   933
    return 1;
892
dc29e5907694 Date: Sun, 18 Apr 2004 16:09:53 -0400 (EDT)
Sam Lantinga <slouken@libsdl.org>
parents: 872
diff changeset
   934
}
dc29e5907694 Date: Sun, 18 Apr 2004 16:09:53 -0400 (EDT)
Sam Lantinga <slouken@libsdl.org>
parents: 872
diff changeset
   935
#endif /* USE_LOGICAL_JOYSTICKS */
dc29e5907694 Date: Sun, 18 Apr 2004 16:09:53 -0400 (EDT)
Sam Lantinga <slouken@libsdl.org>
parents: 872
diff changeset
   936
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   937
static __inline__ void
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   938
HandleHat(SDL_Joystick * stick, Uint8 hat, int axis, int value)
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   939
{
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   940
    struct hwdata_hat *the_hat;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   941
    const Uint8 position_map[3][3] = {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   942
        {SDL_HAT_LEFTUP, SDL_HAT_UP, SDL_HAT_RIGHTUP},
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   943
        {SDL_HAT_LEFT, SDL_HAT_CENTERED, SDL_HAT_RIGHT},
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   944
        {SDL_HAT_LEFTDOWN, SDL_HAT_DOWN, SDL_HAT_RIGHTDOWN}
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   945
    };
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   946
    SDL_logical_joydecl(SDL_Joystick * logicaljoy = NULL);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   947
    SDL_logical_joydecl(struct joystick_logical_mapping *hats = NULL);
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   948
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   949
    the_hat = &stick->hwdata->hats[hat];
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   950
    if (value < 0) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   951
        value = 0;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   952
    } else if (value == 0) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   953
        value = 1;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   954
    } else if (value > 0) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   955
        value = 2;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   956
    }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   957
    if (value != the_hat->axis[axis]) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   958
        the_hat->axis[axis] = value;
892
dc29e5907694 Date: Sun, 18 Apr 2004 16:09:53 -0400 (EDT)
Sam Lantinga <slouken@libsdl.org>
parents: 872
diff changeset
   959
dc29e5907694 Date: Sun, 18 Apr 2004 16:09:53 -0400 (EDT)
Sam Lantinga <slouken@libsdl.org>
parents: 872
diff changeset
   960
#ifndef NO_LOGICAL_JOYSTICKS
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   961
        /* if there's no map then this is just a regular joystick
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   962
         */
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   963
        if (SDL_joylist[stick->index].map != NULL) {
892
dc29e5907694 Date: Sun, 18 Apr 2004 16:09:53 -0400 (EDT)
Sam Lantinga <slouken@libsdl.org>
parents: 872
diff changeset
   964
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   965
            /* get the fake joystick that will receive the event
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   966
             */
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   967
            hats = SDL_joylist[stick->index].map->hatmap + hat;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   968
            logicaljoy = FindLogicalJoystick(stick, hats);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   969
        }
892
dc29e5907694 Date: Sun, 18 Apr 2004 16:09:53 -0400 (EDT)
Sam Lantinga <slouken@libsdl.org>
parents: 872
diff changeset
   970
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   971
        if (logicaljoy) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   972
            stick = logicaljoy;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   973
            hat = hats->nthing;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   974
        }
892
dc29e5907694 Date: Sun, 18 Apr 2004 16:09:53 -0400 (EDT)
Sam Lantinga <slouken@libsdl.org>
parents: 872
diff changeset
   975
#endif /* USE_LOGICAL_JOYSTICKS */
dc29e5907694 Date: Sun, 18 Apr 2004 16:09:53 -0400 (EDT)
Sam Lantinga <slouken@libsdl.org>
parents: 872
diff changeset
   976
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   977
        SDL_PrivateJoystickHat(stick, hat,
3013
8cc00819c8d6 Reverted Bob's indent checkin
Sam Lantinga <slouken@libsdl.org>
parents: 3011
diff changeset
   978
                               position_map[the_hat->
8cc00819c8d6 Reverted Bob's indent checkin
Sam Lantinga <slouken@libsdl.org>
parents: 3011
diff changeset
   979
                                            axis[1]][the_hat->axis[0]]);
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   980
    }
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   981
}
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   982
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   983
static __inline__ void
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   984
HandleBall(SDL_Joystick * stick, Uint8 ball, int axis, int value)
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   985
{
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   986
    stick->hwdata->balls[ball].axis[axis] += value;
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   987
}
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   988
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   989
/* Function to update the state of a joystick - called as a device poll.
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   990
 * This function shouldn't update the joystick structure directly,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   991
 * but instead should call SDL_PrivateJoystick*() to deliver events
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   992
 * and update joystick device state.
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   993
 */
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   994
static __inline__ void
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   995
JS_HandleEvents(SDL_Joystick * joystick)
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   996
{
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   997
    struct js_event events[32];
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   998
    int i, len;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   999
    Uint8 other_axis;
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
  1000
892
dc29e5907694 Date: Sun, 18 Apr 2004 16:09:53 -0400 (EDT)
Sam Lantinga <slouken@libsdl.org>
parents: 872
diff changeset
  1001
#ifndef NO_LOGICAL_JOYSTICKS
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
  1002
    if (SDL_joylist[joystick->index].fname == NULL) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
  1003
        SDL_joylist_head(i, joystick->index);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
  1004
        JS_HandleEvents(SDL_joylist[i].joy);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
  1005
        return;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: