src/joystick/linux/SDL_sysjoystick.c
author Sam Lantinga <slouken@libsdl.org>
Fri, 14 Dec 2012 18:50:07 +0000
changeset 6754 c8cbb53af33e
parent 6752 8de11011eb1f
child 6831 935b871e1ffe
permissions -rw-r--r--
Load the runtime udev library, not the development one.
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/*
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  Simple DirectMedia Layer
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  Copyright (C) 1997-2012 Sam Lantinga <slouken@libsdl.org>
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  This software is provided 'as-is', without any express or implied
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  warranty.  In no event will the authors be held liable for any damages
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  arising from the use of this software.
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  Permission is granted to anyone to use this software for any purpose,
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  including commercial applications, and to alter it and redistribute it
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  freely, subject to the following restrictions:
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  1. The origin of this software must not be misrepresented; you must not
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     claim that you wrote the original software. If you use this software
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     in a product, an acknowledgment in the product documentation would be
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     appreciated but is not required.
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  2. Altered source versions must be plainly marked as such, and must not be
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     misrepresented as being the original software.
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  3. This notice may not be removed or altered from any source distribution.
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*/
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#include "SDL_config.h"
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#ifdef SDL_JOYSTICK_LINUX
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#ifndef SDL_INPUT_LINUXEV
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#error SDL now requires a Linux 2.4+ kernel with /dev/input/event support.
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#endif
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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_assert.h"
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#include "SDL_joystick.h"
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#include "SDL_endian.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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/* !!! FIXME: move this somewhere else. */
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#if !SDL_EVENTS_DISABLED
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#include "../../events/SDL_events_c.h"
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#endif
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/*
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 * !!! FIXME: move all the udev stuff to src/core/linux, so I can reuse it
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 * !!! FIXME:  for audio hardware disconnects.
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 */
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#ifdef HAVE_LIBUDEV_H
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#define SDL_USE_LIBUDEV 1
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#include "SDL_loadso.h"
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#include <libudev.h>
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#include <sys/time.h>
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#include <sys/types.h>
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#include <unistd.h>
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/* we never link directly to libudev. */
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/* !!! FIXME: can we generalize this? ALSA, etc, do the same things. */
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static const char *udev_library = "libudev.so.0";
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static void *udev_handle = NULL;
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/* !!! FIXME: this is kinda ugly. */
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static SDL_bool
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load_udev_sym(const char *fn, void **addr)
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{
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    *addr = SDL_LoadFunction(udev_handle, fn);
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    if (*addr == NULL) {
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        /* Don't call SDL_SetError(): SDL_LoadFunction already did. */
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        return SDL_FALSE;
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    }
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    return SDL_TRUE;
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}
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/* libudev entry points... */
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static const char *(*UDEV_udev_device_get_action)(struct udev_device *) = NULL;
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static const char *(*UDEV_udev_device_get_devnode)(struct udev_device *) = NULL;
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static const char *(*UDEV_udev_device_get_property_value)(struct udev_device *, const char *) = NULL;
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static struct udev_device *(*UDEV_udev_device_new_from_syspath)(struct udev *, const char *) = NULL;
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static void (*UDEV_udev_device_unref)(struct udev_device *) = NULL;
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static int (*UDEV_udev_enumerate_add_match_property)(struct udev_enumerate *, const char *, const char *) = NULL;
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static int (*UDEV_udev_enumerate_add_match_subsystem)(struct udev_enumerate *, const char *) = NULL;
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static struct udev_list_entry *(*UDEV_udev_enumerate_get_list_entry)(struct udev_enumerate *) = NULL;
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static struct udev_enumerate *(*UDEV_udev_enumerate_new)(struct udev *) = NULL;
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static int (*UDEV_udev_enumerate_scan_devices)(struct udev_enumerate *) = NULL;
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static void (*UDEV_udev_enumerate_unref)(struct udev_enumerate *) = NULL;
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static const char *(*UDEV_udev_list_entry_get_name)(struct udev_list_entry *) = NULL;
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static struct udev_list_entry *(*UDEV_udev_list_entry_get_next)(struct udev_list_entry *) = NULL;
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static int (*UDEV_udev_monitor_enable_receiving)(struct udev_monitor *) = NULL;
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static int (*UDEV_udev_monitor_filter_add_match_subsystem_devtype)(struct udev_monitor *, const char *, const char *) = NULL;
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static int (*UDEV_udev_monitor_get_fd)(struct udev_monitor *) = NULL;
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static struct udev_monitor *(*UDEV_udev_monitor_new_from_netlink)(struct udev *, const char *) = NULL;
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static struct udev_device *(*UDEV_udev_monitor_receive_device)(struct udev_monitor *) = NULL;
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static void (*UDEV_udev_monitor_unref)(struct udev_monitor *) = NULL;
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static struct udev *(*UDEV_udev_new)(void) = NULL;
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static void (*UDEV_udev_unref)(struct udev *) = NULL;
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static int
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load_udev_syms(void)
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{
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    /* cast funcs to char* first, to please GCC's strict aliasing rules. */
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    #define SDL_UDEV_SYM(x) \
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        if (!load_udev_sym(#x, (void **) (char *) &UDEV_##x)) return -1
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    SDL_UDEV_SYM(udev_device_get_action);
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    SDL_UDEV_SYM(udev_device_get_devnode);
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    SDL_UDEV_SYM(udev_device_get_property_value);
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    SDL_UDEV_SYM(udev_device_new_from_syspath);
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    SDL_UDEV_SYM(udev_device_unref);
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    SDL_UDEV_SYM(udev_enumerate_add_match_property);
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    SDL_UDEV_SYM(udev_enumerate_add_match_subsystem);
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    SDL_UDEV_SYM(udev_enumerate_get_list_entry);
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    SDL_UDEV_SYM(udev_enumerate_new);
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    SDL_UDEV_SYM(udev_enumerate_scan_devices);
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    SDL_UDEV_SYM(udev_enumerate_unref);
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    SDL_UDEV_SYM(udev_list_entry_get_name);
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    SDL_UDEV_SYM(udev_list_entry_get_next);
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    SDL_UDEV_SYM(udev_monitor_enable_receiving);
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    SDL_UDEV_SYM(udev_monitor_filter_add_match_subsystem_devtype);
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    SDL_UDEV_SYM(udev_monitor_get_fd);
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    SDL_UDEV_SYM(udev_monitor_new_from_netlink);
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    SDL_UDEV_SYM(udev_monitor_receive_device);
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    SDL_UDEV_SYM(udev_monitor_unref);
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    SDL_UDEV_SYM(udev_new);
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    SDL_UDEV_SYM(udev_unref);
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    #undef SDL_UDEV_SYM
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    return 0;
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}
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static void
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UnloadUDEVLibrary(void)
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{
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    if (udev_handle != NULL) {
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        SDL_UnloadObject(udev_handle);
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        udev_handle = NULL;
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    }
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}
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static int
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LoadUDEVLibrary(void)
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{
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    int retval = 0;
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    if (udev_handle == NULL) {
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        udev_handle = SDL_LoadObject(udev_library);
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        if (udev_handle == NULL) {
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            retval = -1;
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            /* Don't call SDL_SetError(): SDL_LoadObject already did. */
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        } else {
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            retval = load_udev_syms();
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            if (retval < 0) {
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                UnloadUDEVLibrary();
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            }
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        }
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    }
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    return retval;
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}
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static struct udev *udev = NULL;
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static struct udev_monitor *udev_mon = NULL;
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#endif
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/* A linked list of available joysticks */
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typedef struct SDL_joylist_item
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{
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    int device_instance;
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    char *path;   /* "/dev/input/event2" or whatever */
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    char *name;   /* "SideWinder 3D Pro" or whatever */
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    SDL_JoystickGUID guid;
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    dev_t devnum;
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    struct joystick_hwdata *hwdata;
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    struct SDL_joylist_item *next;
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} SDL_joylist_item;
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static SDL_joylist_item *SDL_joylist = NULL;
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static SDL_joylist_item *SDL_joylist_tail = NULL;
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static int numjoysticks = 0;
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static int instance_counter = 0;
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#define test_bit(nr, addr) \
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    (((1UL << ((nr) % (sizeof(long) * 8))) & ((addr)[(nr) / (sizeof(long) * 8)])) != 0)
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#define NBITS(x) ((((x)-1)/(sizeof(long) * 8))+1)
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static int
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IsJoystick(int fd, char *namebuf, const size_t namebuflen, SDL_JoystickGUID *guid)
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{
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    unsigned long evbit[NBITS(EV_MAX)] = { 0 };
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    unsigned long keybit[NBITS(KEY_MAX)] = { 0 };
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    unsigned long absbit[NBITS(ABS_MAX)] = { 0 };
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    struct input_id inpid;
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    Uint16 *guid16 = (Uint16 *) ((char *) &guid->data);
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    if ((ioctl(fd, EVIOCGBIT(0, sizeof(evbit)), evbit) < 0) ||
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        (ioctl(fd, EVIOCGBIT(EV_KEY, sizeof(keybit)), keybit) < 0) ||
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        (ioctl(fd, EVIOCGBIT(EV_ABS, sizeof(absbit)), absbit) < 0)) {
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        return (0);
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    }
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    if (!(test_bit(EV_KEY, evbit) && test_bit(EV_ABS, evbit) &&
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          test_bit(ABS_X, absbit) && test_bit(ABS_Y, absbit))) {
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        return 0;
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    }
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    if (ioctl(fd, EVIOCGNAME(namebuflen), namebuf) < 0) {
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        return 0;
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    }
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    if (ioctl(fd, EVIOCGID, &inpid) < 0) {
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        return 0;
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    }
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    /* We only need 16 bits for each of these; space them out to fill 128. */
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    /* Byteswap so devices get same GUID on little/big endian platforms. */
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    *(guid16++) = SDL_SwapLE16(inpid.bustype);
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    *(guid16++) = 0;
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    *(guid16++) = SDL_SwapLE16(inpid.vendor);
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    *(guid16++) = 0;
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    *(guid16++) = SDL_SwapLE16(inpid.product);
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    *(guid16++) = 0;
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    *(guid16++) = SDL_SwapLE16(inpid.version);
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    *(guid16++) = 0;
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    return 1;
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}
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/* !!! FIXME: I would love to dump this code and use libudev instead. */
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static int
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MaybeAddDevice(const char *path)
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{
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    struct stat sb;
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    int fd = -1;
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    int isstick = 0;
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   242
    char namebuf[128];
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1835c3299b2a Fixed compiling Linux code
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    SDL_JoystickGUID guid;
6734
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    SDL_joylist_item *item;
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   245
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   246
    if (path == NULL) {
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   247
        return -1;
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   248
    }
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   249
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    if (stat(path, &sb) == -1) {
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        return -1;
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    }
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    /* Check to make sure it's not already in list. */
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    for (item = SDL_joylist; item != NULL; item = item->next) {
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   256
        if (sb.st_rdev == item->devnum) {
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   257
            return -1;  /* already have this one */
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   258
        }
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diff changeset
   259
    }
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   260
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   261
    fd = open(path, O_RDONLY, 0);
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    if (fd < 0) {
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        return -1;
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diff changeset
   264
    }
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   265
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#ifdef DEBUG_INPUT_EVENTS
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    printf("Checking %s\n", path);
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#endif
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   269
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    isstick = IsJoystick(fd, namebuf, sizeof (namebuf), &guid);
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   271
    close(fd);
7fdaee2be782 Updated Linux joystick code to support hotplug, GUIDs, etc.
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   272
    if (!isstick) {
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        return -1;
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   274
    }
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   275
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    item = (SDL_joylist_item *) SDL_malloc(sizeof (SDL_joylist_item));
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    if (item == NULL) {
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        return -1;
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diff changeset
   279
    }
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    SDL_zerop(item);
7fdaee2be782 Updated Linux joystick code to support hotplug, GUIDs, etc.
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    item->devnum = sb.st_rdev;
7fdaee2be782 Updated Linux joystick code to support hotplug, GUIDs, etc.
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   283
    item->path = SDL_strdup(path);
7fdaee2be782 Updated Linux joystick code to support hotplug, GUIDs, etc.
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   284
    item->name = SDL_strdup(namebuf);
7fdaee2be782 Updated Linux joystick code to support hotplug, GUIDs, etc.
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   285
    item->guid = guid;
7fdaee2be782 Updated Linux joystick code to support hotplug, GUIDs, etc.
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diff changeset
   286
7fdaee2be782 Updated Linux joystick code to support hotplug, GUIDs, etc.
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   287
    if ( (item->path == NULL) || (item->name == NULL) ) {
7fdaee2be782 Updated Linux joystick code to support hotplug, GUIDs, etc.
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diff changeset
   288
         SDL_free(item->path);
7fdaee2be782 Updated Linux joystick code to support hotplug, GUIDs, etc.
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   289
         SDL_free(item->name);
7fdaee2be782 Updated Linux joystick code to support hotplug, GUIDs, etc.
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   290
         SDL_free(item);
7fdaee2be782 Updated Linux joystick code to support hotplug, GUIDs, etc.
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   291
         return -1;
7fdaee2be782 Updated Linux joystick code to support hotplug, GUIDs, etc.
Ryan C. Gordon <icculus@icculus.org>
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diff changeset
   292
    }
7fdaee2be782 Updated Linux joystick code to support hotplug, GUIDs, etc.
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   293
7fdaee2be782 Updated Linux joystick code to support hotplug, GUIDs, etc.
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   294
    item->device_instance = instance_counter++;
7fdaee2be782 Updated Linux joystick code to support hotplug, GUIDs, etc.
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diff changeset
   295
    if (SDL_joylist_tail == NULL) {
7fdaee2be782 Updated Linux joystick code to support hotplug, GUIDs, etc.
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diff changeset
   296
        SDL_joylist = SDL_joylist_tail = item;
7fdaee2be782 Updated Linux joystick code to support hotplug, GUIDs, etc.
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diff changeset
   297
    } else {
7fdaee2be782 Updated Linux joystick code to support hotplug, GUIDs, etc.
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diff changeset
   298
        SDL_joylist_tail->next = item;
7fdaee2be782 Updated Linux joystick code to support hotplug, GUIDs, etc.
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diff changeset
   299
        SDL_joylist_tail = item;
7fdaee2be782 Updated Linux joystick code to support hotplug, GUIDs, etc.
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diff changeset
   300
    }
7fdaee2be782 Updated Linux joystick code to support hotplug, GUIDs, etc.
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   301
7fdaee2be782 Updated Linux joystick code to support hotplug, GUIDs, etc.
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diff changeset
   302
    return numjoysticks++;
7fdaee2be782 Updated Linux joystick code to support hotplug, GUIDs, etc.
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diff changeset
   303
}
7fdaee2be782 Updated Linux joystick code to support hotplug, GUIDs, etc.
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diff changeset
   304
6749
87254cb5734f Fixed compiler warning.
Ryan C. Gordon <icculus@icculus.org>
parents: 6743
diff changeset
   305
#if SDL_USE_LIBUDEV
6734
7fdaee2be782 Updated Linux joystick code to support hotplug, GUIDs, etc.
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diff changeset
   306
/* !!! FIXME: I would love to dump this code and use libudev instead. */
7fdaee2be782 Updated Linux joystick code to support hotplug, GUIDs, etc.
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   307
static int
7fdaee2be782 Updated Linux joystick code to support hotplug, GUIDs, etc.
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diff changeset
   308
MaybeRemoveDevice(const char *path)
7fdaee2be782 Updated Linux joystick code to support hotplug, GUIDs, etc.
Ryan C. Gordon <icculus@icculus.org>
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diff changeset
   309
{
7fdaee2be782 Updated Linux joystick code to support hotplug, GUIDs, etc.
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diff changeset
   310
    SDL_joylist_item *item;
7fdaee2be782 Updated Linux joystick code to support hotplug, GUIDs, etc.
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diff changeset
   311
    SDL_joylist_item *prev = NULL;
7fdaee2be782 Updated Linux joystick code to support hotplug, GUIDs, etc.
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diff changeset
   312
7fdaee2be782 Updated Linux joystick code to support hotplug, GUIDs, etc.
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diff changeset
   313
    if (path == NULL) {
7fdaee2be782 Updated Linux joystick code to support hotplug, GUIDs, etc.
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diff changeset
   314
        return -1;
7fdaee2be782 Updated Linux joystick code to support hotplug, GUIDs, etc.
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diff changeset
   315
    }
6690
9548c8a58103 Added hotplug joystick support and simplified game controller API, courtesy of Alfred Reynolds
Sam Lantinga <slouken@libsdl.org>
parents: 6389
diff changeset
   316
6734
7fdaee2be782 Updated Linux joystick code to support hotplug, GUIDs, etc.
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diff changeset
   317
    for (item = SDL_joylist; item != NULL; item = item->next) {
7fdaee2be782 Updated Linux joystick code to support hotplug, GUIDs, etc.
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diff changeset
   318
        /* found it, remove it. */
7fdaee2be782 Updated Linux joystick code to support hotplug, GUIDs, etc.
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diff changeset
   319
        if (SDL_strcmp(path, item->path) == 0) {
7fdaee2be782 Updated Linux joystick code to support hotplug, GUIDs, etc.
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diff changeset
   320
            const int retval = item->device_instance;
7fdaee2be782 Updated Linux joystick code to support hotplug, GUIDs, etc.
Ryan C. Gordon <icculus@icculus.org>
parents: 6729
diff changeset
   321
            if (item->hwdata) {
6752
8de11011eb1f Corrected Linux joystick things, fixes assertion failure from testjoystick.
Ryan C. Gordon <icculus@icculus.org>
parents: 6751
diff changeset
   322
                item->hwdata->item = NULL;
6734
7fdaee2be782 Updated Linux joystick code to support hotplug, GUIDs, etc.
Ryan C. Gordon <icculus@icculus.org>
parents: 6729
diff changeset
   323
            }
7fdaee2be782 Updated Linux joystick code to support hotplug, GUIDs, etc.
Ryan C. Gordon <icculus@icculus.org>
parents: 6729
diff changeset
   324
            if (prev != NULL) {
7fdaee2be782 Updated Linux joystick code to support hotplug, GUIDs, etc.
Ryan C. Gordon <icculus@icculus.org>
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diff changeset
   325
                prev->next = item->next;
7fdaee2be782 Updated Linux joystick code to support hotplug, GUIDs, etc.
Ryan C. Gordon <icculus@icculus.org>
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diff changeset
   326
                if (item == SDL_joylist_tail) {
7fdaee2be782 Updated Linux joystick code to support hotplug, GUIDs, etc.
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diff changeset
   327
                    SDL_joylist_tail = prev;
7fdaee2be782 Updated Linux joystick code to support hotplug, GUIDs, etc.
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parents: 6729
diff changeset
   328
                }
7fdaee2be782 Updated Linux joystick code to support hotplug, GUIDs, etc.
Ryan C. Gordon <icculus@icculus.org>
parents: 6729
diff changeset
   329
            } else {
7fdaee2be782 Updated Linux joystick code to support hotplug, GUIDs, etc.
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diff changeset
   330
                SDL_assert(!SDL_joylist);
7fdaee2be782 Updated Linux joystick code to support hotplug, GUIDs, etc.
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parents: 6729
diff changeset
   331
                SDL_assert(!SDL_joylist_tail);
7fdaee2be782 Updated Linux joystick code to support hotplug, GUIDs, etc.
Ryan C. Gordon <icculus@icculus.org>
parents: 6729
diff changeset
   332
                SDL_joylist = SDL_joylist_tail = NULL;
7fdaee2be782 Updated Linux joystick code to support hotplug, GUIDs, etc.
Ryan C. Gordon <icculus@icculus.org>
parents: 6729
diff changeset
   333
            }
7fdaee2be782 Updated Linux joystick code to support hotplug, GUIDs, etc.
Ryan C. Gordon <icculus@icculus.org>
parents: 6729
diff changeset
   334
            SDL_free(item->path);
7fdaee2be782 Updated Linux joystick code to support hotplug, GUIDs, etc.
Ryan C. Gordon <icculus@icculus.org>
parents: 6729
diff changeset
   335
            SDL_free(item->name);
7fdaee2be782 Updated Linux joystick code to support hotplug, GUIDs, etc.
Ryan C. Gordon <icculus@icculus.org>
parents: 6729
diff changeset
   336
            SDL_free(item);
7fdaee2be782 Updated Linux joystick code to support hotplug, GUIDs, etc.
Ryan C. Gordon <icculus@icculus.org>
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diff changeset
   337
            numjoysticks--;
7fdaee2be782 Updated Linux joystick code to support hotplug, GUIDs, etc.
Ryan C. Gordon <icculus@icculus.org>
parents: 6729
diff changeset
   338
            return retval;
7fdaee2be782 Updated Linux joystick code to support hotplug, GUIDs, etc.
Ryan C. Gordon <icculus@icculus.org>
parents: 6729
diff changeset
   339
        }
7fdaee2be782 Updated Linux joystick code to support hotplug, GUIDs, etc.
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diff changeset
   340
        prev = item;
7fdaee2be782 Updated Linux joystick code to support hotplug, GUIDs, etc.
Ryan C. Gordon <icculus@icculus.org>
parents: 6729
diff changeset
   341
    }
7fdaee2be782 Updated Linux joystick code to support hotplug, GUIDs, etc.
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parents: 6729
diff changeset
   342
7fdaee2be782 Updated Linux joystick code to support hotplug, GUIDs, etc.
Ryan C. Gordon <icculus@icculus.org>
parents: 6729
diff changeset
   343
    return -1;
7fdaee2be782 Updated Linux joystick code to support hotplug, GUIDs, etc.
Ryan C. Gordon <icculus@icculus.org>
parents: 6729
diff changeset
   344
}
6749
87254cb5734f Fixed compiler warning.
Ryan C. Gordon <icculus@icculus.org>
parents: 6743
diff changeset
   345
#endif
6734
7fdaee2be782 Updated Linux joystick code to support hotplug, GUIDs, etc.
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diff changeset
   346
7fdaee2be782 Updated Linux joystick code to support hotplug, GUIDs, etc.
Ryan C. Gordon <icculus@icculus.org>
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diff changeset
   347
static int
7fdaee2be782 Updated Linux joystick code to support hotplug, GUIDs, etc.
Ryan C. Gordon <icculus@icculus.org>
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diff changeset
   348
JoystickInitWithoutUdev(void)
7fdaee2be782 Updated Linux joystick code to support hotplug, GUIDs, etc.
Ryan C. Gordon <icculus@icculus.org>
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diff changeset
   349
{
7fdaee2be782 Updated Linux joystick code to support hotplug, GUIDs, etc.
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diff changeset
   350
    int i;
7fdaee2be782 Updated Linux joystick code to support hotplug, GUIDs, etc.
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diff changeset
   351
    char path[PATH_MAX];
7fdaee2be782 Updated Linux joystick code to support hotplug, GUIDs, etc.
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diff changeset
   352
7fdaee2be782 Updated Linux joystick code to support hotplug, GUIDs, etc.
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diff changeset
   353
    /* !!! FIXME: only finds sticks if they're called /dev/input/event[0..31] */
7fdaee2be782 Updated Linux joystick code to support hotplug, GUIDs, etc.
Ryan C. Gordon <icculus@icculus.org>
parents: 6729
diff changeset
   354
    /* !!! FIXME:  we could at least readdir() through /dev/input...? */
7fdaee2be782 Updated Linux joystick code to support hotplug, GUIDs, etc.
Ryan C. Gordon <icculus@icculus.org>
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diff changeset
   355
    /* !!! FIXME:  (or delete this and rely on libudev?) */
7fdaee2be782 Updated Linux joystick code to support hotplug, GUIDs, etc.
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diff changeset
   356
    for (i = 0; i < 32; i++) {
7fdaee2be782 Updated Linux joystick code to support hotplug, GUIDs, etc.
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diff changeset
   357
        SDL_snprintf(path, SDL_arraysize(path), "/dev/input/event%d", i);
7fdaee2be782 Updated Linux joystick code to support hotplug, GUIDs, etc.
Ryan C. Gordon <icculus@icculus.org>
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diff changeset
   358
        MaybeAddDevice(path);
7fdaee2be782 Updated Linux joystick code to support hotplug, GUIDs, etc.
Ryan C. Gordon <icculus@icculus.org>
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diff changeset
   359
    }
7fdaee2be782 Updated Linux joystick code to support hotplug, GUIDs, etc.
Ryan C. Gordon <icculus@icculus.org>
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diff changeset
   360
7fdaee2be782 Updated Linux joystick code to support hotplug, GUIDs, etc.
Ryan C. Gordon <icculus@icculus.org>
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diff changeset
   361
    return numjoysticks;
7fdaee2be782 Updated Linux joystick code to support hotplug, GUIDs, etc.
Ryan C. Gordon <icculus@icculus.org>
parents: 6729
diff changeset
   362
}
7fdaee2be782 Updated Linux joystick code to support hotplug, GUIDs, etc.
Ryan C. Gordon <icculus@icculus.org>
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diff changeset
   363
7fdaee2be782 Updated Linux joystick code to support hotplug, GUIDs, etc.
Ryan C. Gordon <icculus@icculus.org>
parents: 6729
diff changeset
   364
7fdaee2be782 Updated Linux joystick code to support hotplug, GUIDs, etc.
Ryan C. Gordon <icculus@icculus.org>
parents: 6729
diff changeset
   365
#if SDL_USE_LIBUDEV
7fdaee2be782 Updated Linux joystick code to support hotplug, GUIDs, etc.
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diff changeset
   366
static int
7fdaee2be782 Updated Linux joystick code to support hotplug, GUIDs, etc.
Ryan C. Gordon <icculus@icculus.org>
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diff changeset
   367
JoystickInitWithUdev(void)
7fdaee2be782 Updated Linux joystick code to support hotplug, GUIDs, etc.
Ryan C. Gordon <icculus@icculus.org>
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diff changeset
   368
{
7fdaee2be782 Updated Linux joystick code to support hotplug, GUIDs, etc.
Ryan C. Gordon <icculus@icculus.org>
parents: 6729
diff changeset
   369
    struct udev_enumerate *enumerate = NULL;
7fdaee2be782 Updated Linux joystick code to support hotplug, GUIDs, etc.
Ryan C. Gordon <icculus@icculus.org>
parents: 6729
diff changeset
   370
    struct udev_list_entry *devs = NULL;
7fdaee2be782 Updated Linux joystick code to support hotplug, GUIDs, etc.
Ryan C. Gordon <icculus@icculus.org>
parents: 6729
diff changeset
   371
    struct udev_list_entry *item = NULL;
7fdaee2be782 Updated Linux joystick code to support hotplug, GUIDs, etc.
Ryan C. Gordon <icculus@icculus.org>
parents: 6729
diff changeset
   372
7fdaee2be782 Updated Linux joystick code to support hotplug, GUIDs, etc.
Ryan C. Gordon <icculus@icculus.org>
parents: 6729
diff changeset
   373
    SDL_assert(udev == NULL);
7fdaee2be782 Updated Linux joystick code to support hotplug, GUIDs, etc.
Ryan C. Gordon <icculus@icculus.org>
parents: 6729
diff changeset
   374
    udev = UDEV_udev_new();
7fdaee2be782 Updated Linux joystick code to support hotplug, GUIDs, etc.
Ryan C. Gordon <icculus@icculus.org>
parents: 6729
diff changeset
   375
    if (udev == NULL) {
7fdaee2be782 Updated Linux joystick code to support hotplug, GUIDs, etc.
Ryan C. Gordon <icculus@icculus.org>
parents: 6729
diff changeset
   376
        SDL_SetError("udev_new() failed");
7fdaee2be782 Updated Linux joystick code to support hotplug, GUIDs, etc.
Ryan C. Gordon <icculus@icculus.org>
parents: 6729
diff changeset
   377
        return -1;
7fdaee2be782 Updated Linux joystick code to support hotplug, GUIDs, etc.
Ryan C. Gordon <icculus@icculus.org>
parents: 6729
diff changeset
   378
    }
7fdaee2be782 Updated Linux joystick code to support hotplug, GUIDs, etc.
Ryan C. Gordon <icculus@icculus.org>
parents: 6729
diff changeset
   379
7fdaee2be782 Updated Linux joystick code to support hotplug, GUIDs, etc.
Ryan C. Gordon <icculus@icculus.org>
parents: 6729
diff changeset
   380
    udev_mon = UDEV_udev_monitor_new_from_netlink(udev, "udev");
7fdaee2be782 Updated Linux joystick code to support hotplug, GUIDs, etc.
Ryan C. Gordon <icculus@icculus.org>
parents: 6729
diff changeset
   381
    if (udev_mon != NULL) {  /* okay if it's NULL, we just lose hotplugging. */
7fdaee2be782 Updated Linux joystick code to support hotplug, GUIDs, etc.
Ryan C. Gordon <icculus@icculus.org>
parents: 6729
diff changeset
   382
        UDEV_udev_monitor_filter_add_match_subsystem_devtype(udev_mon,
7fdaee2be782 Updated Linux joystick code to support hotplug, GUIDs, etc.
Ryan C. Gordon <icculus@icculus.org>
parents: 6729
diff changeset
   383
                                                             "input", NULL);
7fdaee2be782 Updated Linux joystick code to support hotplug, GUIDs, etc.
Ryan C. Gordon <icculus@icculus.org>
parents: 6729
diff changeset
   384
        UDEV_udev_monitor_enable_receiving(udev_mon);
7fdaee2be782 Updated Linux joystick code to support hotplug, GUIDs, etc.
Ryan C. Gordon <icculus@icculus.org>
parents: 6729
diff changeset
   385
    }
7fdaee2be782 Updated Linux joystick code to support hotplug, GUIDs, etc.
Ryan C. Gordon <icculus@icculus.org>
parents: 6729
diff changeset
   386
7fdaee2be782 Updated Linux joystick code to support hotplug, GUIDs, etc.
Ryan C. Gordon <icculus@icculus.org>
parents: 6729
diff changeset
   387
    enumerate = UDEV_udev_enumerate_new(udev);
7fdaee2be782 Updated Linux joystick code to support hotplug, GUIDs, etc.
Ryan C. Gordon <icculus@icculus.org>
parents: 6729
diff changeset
   388
    if (enumerate == NULL) {
7fdaee2be782 Updated Linux joystick code to support hotplug, GUIDs, etc.
Ryan C. Gordon <icculus@icculus.org>
parents: 6729
diff changeset
   389
        SDL_SetError("udev_enumerate_new() failed");
7fdaee2be782 Updated Linux joystick code to support hotplug, GUIDs, etc.
Ryan C. Gordon <icculus@icculus.org>
parents: 6729
diff changeset
   390
        return -1;
7fdaee2be782 Updated Linux joystick code to support hotplug, GUIDs, etc.
Ryan C. Gordon <icculus@icculus.org>
parents: 6729
diff changeset
   391
    }
7fdaee2be782 Updated Linux joystick code to support hotplug, GUIDs, etc.
Ryan C. Gordon <icculus@icculus.org>
parents: 6729
diff changeset
   392
7fdaee2be782 Updated Linux joystick code to support hotplug, GUIDs, etc.
Ryan C. Gordon <icculus@icculus.org>
parents: 6729
diff changeset
   393
    UDEV_udev_enumerate_add_match_subsystem(enumerate, "input");
7fdaee2be782 Updated Linux joystick code to support hotplug, GUIDs, etc.
Ryan C. Gordon <icculus@icculus.org>
parents: 6729
diff changeset
   394
    UDEV_udev_enumerate_add_match_property(enumerate, "ID_INPUT_JOYSTICK", "1");
7fdaee2be782 Updated Linux joystick code to support hotplug, GUIDs, etc.
Ryan C. Gordon <icculus@icculus.org>
parents: 6729
diff changeset
   395
    UDEV_udev_enumerate_scan_devices(enumerate);
7fdaee2be782 Updated Linux joystick code to support hotplug, GUIDs, etc.
Ryan C. Gordon <icculus@icculus.org>
parents: 6729
diff changeset
   396
    devs = UDEV_udev_enumerate_get_list_entry(enumerate);
7fdaee2be782 Updated Linux joystick code to support hotplug, GUIDs, etc.
Ryan C. Gordon <icculus@icculus.org>
parents: 6729
diff changeset
   397
    for (item = devs; item; item = UDEV_udev_list_entry_get_next(item)) {
7fdaee2be782 Updated Linux joystick code to support hotplug, GUIDs, etc.
Ryan C. Gordon <icculus@icculus.org>
parents: 6729
diff changeset
   398
        const char *path = UDEV_udev_list_entry_get_name(item);
7fdaee2be782 Updated Linux joystick code to support hotplug, GUIDs, etc.
Ryan C. Gordon <icculus@icculus.org>
parents: 6729
diff changeset
   399
        struct udev_device *dev = UDEV_udev_device_new_from_syspath(udev, path);
7fdaee2be782 Updated Linux joystick code to support hotplug, GUIDs, etc.
Ryan C. Gordon <icculus@icculus.org>
parents: 6729
diff changeset
   400
        MaybeAddDevice(UDEV_udev_device_get_devnode(dev));
7fdaee2be782 Updated Linux joystick code to support hotplug, GUIDs, etc.
Ryan C. Gordon <icculus@icculus.org>
parents: 6729
diff changeset
   401
        UDEV_udev_device_unref(dev);
7fdaee2be782 Updated Linux joystick code to support hotplug, GUIDs, etc.
Ryan C. Gordon <icculus@icculus.org>
parents: 6729
diff changeset
   402
    }
7fdaee2be782 Updated Linux joystick code to support hotplug, GUIDs, etc.
Ryan C. Gordon <icculus@icculus.org>
parents: 6729
diff changeset
   403
7fdaee2be782 Updated Linux joystick code to support hotplug, GUIDs, etc.
Ryan C. Gordon <icculus@icculus.org>
parents: 6729
diff changeset
   404
    UDEV_udev_enumerate_unref(enumerate);
7fdaee2be782 Updated Linux joystick code to support hotplug, GUIDs, etc.
Ryan C. Gordon <icculus@icculus.org>
parents: 6729
diff changeset
   405
7fdaee2be782 Updated Linux joystick code to support hotplug, GUIDs, etc.
Ryan C. Gordon <icculus@icculus.org>
parents: 6729
diff changeset
   406
    return numjoysticks;
7fdaee2be782 Updated Linux joystick code to support hotplug, GUIDs, etc.
Ryan C. Gordon <icculus@icculus.org>
parents: 6729
diff changeset
   407
}
7fdaee2be782 Updated Linux joystick code to support hotplug, GUIDs, etc.
Ryan C. Gordon <icculus@icculus.org>
parents: 6729
diff changeset
   408
#endif
7fdaee2be782 Updated Linux joystick code to support hotplug, GUIDs, etc.
Ryan C. Gordon <icculus@icculus.org>
parents: 6729
diff changeset
   409
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
   410
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
   411
SDL_SYS_JoystickInit(void)
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   412
{
5317
901a9e9ff0b7 Fixed bug #1121 (More than one device through SDL_JOYSTICK_DEVICE)
Sam Lantinga <slouken@libsdl.org>
parents: 5262
diff changeset
   413
    /* 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
   414
    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
   415
        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
   416
        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
   417
        envpath = envcopy;
901a9e9ff0b7 Fixed bug #1121 (More than one device through SDL_JOYSTICK_DEVICE)
Sam Lantinga <slouken@libsdl.org>
parents: 5262
diff changeset
   418
        while (envpath != NULL) {
901a9e9ff0b7 Fixed bug #1121 (More than one device through SDL_JOYSTICK_DEVICE)
Sam Lantinga <slouken@libsdl.org>
parents: 5262
diff changeset
   419
            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
   420
            if (delim != NULL) {
901a9e9ff0b7 Fixed bug #1121 (More than one device through SDL_JOYSTICK_DEVICE)
Sam Lantinga <slouken@libsdl.org>
parents: 5262
diff changeset
   421
                *delim++ = '\0';
901a9e9ff0b7 Fixed bug #1121 (More than one device through SDL_JOYSTICK_DEVICE)
Sam Lantinga <slouken@libsdl.org>
parents: 5262
diff changeset
   422
            }
6734
7fdaee2be782 Updated Linux joystick code to support hotplug, GUIDs, etc.
Ryan C. Gordon <icculus@icculus.org>
parents: 6729
diff changeset
   423
            MaybeAddDevice(envpath);
5317
901a9e9ff0b7 Fixed bug #1121 (More than one device through SDL_JOYSTICK_DEVICE)
Sam Lantinga <slouken@libsdl.org>
parents: 5262
diff changeset
   424
            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
   425
        }
5317
901a9e9ff0b7 Fixed bug #1121 (More than one device through SDL_JOYSTICK_DEVICE)
Sam Lantinga <slouken@libsdl.org>
parents: 5262
diff changeset
   426
        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
   427
    }
554
38b1a98aeb11 Linux joystick cleanups from Alan Swanson
Sam Lantinga <slouken@libsdl.org>
parents: 408
diff changeset
   428
6734
7fdaee2be782 Updated Linux joystick code to support hotplug, GUIDs, etc.
Ryan C. Gordon <icculus@icculus.org>
parents: 6729
diff changeset
   429
#if SDL_USE_LIBUDEV
7fdaee2be782 Updated Linux joystick code to support hotplug, GUIDs, etc.
Ryan C. Gordon <icculus@icculus.org>
parents: 6729
diff changeset
   430
    if (LoadUDEVLibrary() == 0) {   /* okay if this fails, FOR NOW. */
7fdaee2be782 Updated Linux joystick code to support hotplug, GUIDs, etc.
Ryan C. Gordon <icculus@icculus.org>
parents: 6729
diff changeset
   431
        return JoystickInitWithUdev();
7fdaee2be782 Updated Linux joystick code to support hotplug, GUIDs, etc.
Ryan C. Gordon <icculus@icculus.org>
parents: 6729
diff changeset
   432
    }
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   433
#endif
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   434
6734
7fdaee2be782 Updated Linux joystick code to support hotplug, GUIDs, etc.
Ryan C. Gordon <icculus@icculus.org>
parents: 6729
diff changeset
   435
    return JoystickInitWithoutUdev();
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   436
}
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   437
6707
70eeb7e3ec2f Organized joystick hotplug code a bit.
Sam Lantinga <slouken@libsdl.org>
parents: 6698
diff changeset
   438
int SDL_SYS_NumJoysticks()
70eeb7e3ec2f Organized joystick hotplug code a bit.
Sam Lantinga <slouken@libsdl.org>
parents: 6698
diff changeset
   439
{
6734
7fdaee2be782 Updated Linux joystick code to support hotplug, GUIDs, etc.
Ryan C. Gordon <icculus@icculus.org>
parents: 6729
diff changeset
   440
    return numjoysticks;
7fdaee2be782 Updated Linux joystick code to support hotplug, GUIDs, etc.
Ryan C. Gordon <icculus@icculus.org>
parents: 6729
diff changeset
   441
}
7fdaee2be782 Updated Linux joystick code to support hotplug, GUIDs, etc.
Ryan C. Gordon <icculus@icculus.org>
parents: 6729
diff changeset
   442
7fdaee2be782 Updated Linux joystick code to support hotplug, GUIDs, etc.
Ryan C. Gordon <icculus@icculus.org>
parents: 6729
diff changeset
   443
static SDL_bool
7fdaee2be782 Updated Linux joystick code to support hotplug, GUIDs, etc.
Ryan C. Gordon <icculus@icculus.org>
parents: 6729
diff changeset
   444
HotplugUpdateAvailable(void)
7fdaee2be782 Updated Linux joystick code to support hotplug, GUIDs, etc.
Ryan C. Gordon <icculus@icculus.org>
parents: 6729
diff changeset
   445
{
7fdaee2be782 Updated Linux joystick code to support hotplug, GUIDs, etc.
Ryan C. Gordon <icculus@icculus.org>
parents: 6729
diff changeset
   446
#if SDL_USE_LIBUDEV
7fdaee2be782 Updated Linux joystick code to support hotplug, GUIDs, etc.
Ryan C. Gordon <icculus@icculus.org>
parents: 6729
diff changeset
   447
    if (udev_mon != NULL) {
7fdaee2be782 Updated Linux joystick code to support hotplug, GUIDs, etc.
Ryan C. Gordon <icculus@icculus.org>
parents: 6729
diff changeset
   448
        const int fd = UDEV_udev_monitor_get_fd(udev_mon);
7fdaee2be782 Updated Linux joystick code to support hotplug, GUIDs, etc.
Ryan C. Gordon <icculus@icculus.org>
parents: 6729
diff changeset
   449
        fd_set fds;
7fdaee2be782 Updated Linux joystick code to support hotplug, GUIDs, etc.
Ryan C. Gordon <icculus@icculus.org>
parents: 6729
diff changeset
   450
        struct timeval tv;
7fdaee2be782 Updated Linux joystick code to support hotplug, GUIDs, etc.
Ryan C. Gordon <icculus@icculus.org>
parents: 6729
diff changeset
   451
7fdaee2be782 Updated Linux joystick code to support hotplug, GUIDs, etc.
Ryan C. Gordon <icculus@icculus.org>
parents: 6729
diff changeset
   452
        FD_ZERO(&fds);
7fdaee2be782 Updated Linux joystick code to support hotplug, GUIDs, etc.
Ryan C. Gordon <icculus@icculus.org>
parents: 6729
diff changeset
   453
        FD_SET(fd, &fds);
7fdaee2be782 Updated Linux joystick code to support hotplug, GUIDs, etc.
Ryan C. Gordon <icculus@icculus.org>
parents: 6729
diff changeset
   454
        tv.tv_sec = 0;
7fdaee2be782 Updated Linux joystick code to support hotplug, GUIDs, etc.
Ryan C. Gordon <icculus@icculus.org>
parents: 6729
diff changeset
   455
        tv.tv_usec = 0;
7fdaee2be782 Updated Linux joystick code to support hotplug, GUIDs, etc.
Ryan C. Gordon <icculus@icculus.org>
parents: 6729
diff changeset
   456
        if ((select(fd+1, &fds, NULL, NULL, &tv) > 0) && (FD_ISSET(fd, &fds))) {
7fdaee2be782 Updated Linux joystick code to support hotplug, GUIDs, etc.
Ryan C. Gordon <icculus@icculus.org>
parents: 6729
diff changeset
   457
            return SDL_TRUE;
7fdaee2be782 Updated Linux joystick code to support hotplug, GUIDs, etc.
Ryan C. Gordon <icculus@icculus.org>
parents: 6729
diff changeset
   458
        }
7fdaee2be782 Updated Linux joystick code to support hotplug, GUIDs, etc.
Ryan C. Gordon <icculus@icculus.org>
parents: 6729
diff changeset
   459
    }
7fdaee2be782 Updated Linux joystick code to support hotplug, GUIDs, etc.
Ryan C. Gordon <icculus@icculus.org>
parents: 6729
diff changeset
   460
#endif
7fdaee2be782 Updated Linux joystick code to support hotplug, GUIDs, etc.
Ryan C. Gordon <icculus@icculus.org>
parents: 6729
diff changeset
   461
7fdaee2be782 Updated Linux joystick code to support hotplug, GUIDs, etc.
Ryan C. Gordon <icculus@icculus.org>
parents: 6729
diff changeset
   462
    return SDL_FALSE;
6707
70eeb7e3ec2f Organized joystick hotplug code a bit.
Sam Lantinga <slouken@libsdl.org>
parents: 6698
diff changeset
   463
}
70eeb7e3ec2f Organized joystick hotplug code a bit.
Sam Lantinga <slouken@libsdl.org>
parents: 6698
diff changeset
   464
70eeb7e3ec2f Organized joystick hotplug code a bit.
Sam Lantinga <slouken@libsdl.org>
parents: 6698
diff changeset
   465
void SDL_SYS_JoystickDetect()
70eeb7e3ec2f Organized joystick hotplug code a bit.
Sam Lantinga <slouken@libsdl.org>
parents: 6698
diff changeset
   466
{
6734
7fdaee2be782 Updated Linux joystick code to support hotplug, GUIDs, etc.
Ryan C. Gordon <icculus@icculus.org>
parents: 6729
diff changeset
   467
#if SDL_USE_LIBUDEV
7fdaee2be782 Updated Linux joystick code to support hotplug, GUIDs, etc.
Ryan C. Gordon <icculus@icculus.org>
parents: 6729
diff changeset
   468
    struct udev_device *dev = NULL;
7fdaee2be782 Updated Linux joystick code to support hotplug, GUIDs, etc.
Ryan C. Gordon <icculus@icculus.org>
parents: 6729
diff changeset
   469
    const char *devnode = NULL;
7fdaee2be782 Updated Linux joystick code to support hotplug, GUIDs, etc.
Ryan C. Gordon <icculus@icculus.org>
parents: 6729
diff changeset
   470
    const char *action = NULL;
7fdaee2be782 Updated Linux joystick code to support hotplug, GUIDs, etc.
Ryan C. Gordon <icculus@icculus.org>
parents: 6729
diff changeset
   471
    const char *val = NULL;
7fdaee2be782 Updated Linux joystick code to support hotplug, GUIDs, etc.
Ryan C. Gordon <icculus@icculus.org>
parents: 6729
diff changeset
   472
7fdaee2be782 Updated Linux joystick code to support hotplug, GUIDs, etc.
Ryan C. Gordon <icculus@icculus.org>
parents: 6729
diff changeset
   473
    while (HotplugUpdateAvailable()) {
7fdaee2be782 Updated Linux joystick code to support hotplug, GUIDs, etc.
Ryan C. Gordon <icculus@icculus.org>
parents: 6729
diff changeset
   474
        dev = UDEV_udev_monitor_receive_device(udev_mon);
7fdaee2be782 Updated Linux joystick code to support hotplug, GUIDs, etc.
Ryan C. Gordon <icculus@icculus.org>
parents: 6729
diff changeset
   475
        if (dev == NULL) {
7fdaee2be782 Updated Linux joystick code to support hotplug, GUIDs, etc.
Ryan C. Gordon <icculus@icculus.org>
parents: 6729
diff changeset
   476
            break;
7fdaee2be782 Updated Linux joystick code to support hotplug, GUIDs, etc.
Ryan C. Gordon <icculus@icculus.org>
parents: 6729
diff changeset
   477
        }
7fdaee2be782 Updated Linux joystick code to support hotplug, GUIDs, etc.
Ryan C. Gordon <icculus@icculus.org>
parents: 6729
diff changeset
   478
        val = UDEV_udev_device_get_property_value(dev, "ID_INPUT_JOYSTICK");
7fdaee2be782 Updated Linux joystick code to support hotplug, GUIDs, etc.
Ryan C. Gordon <icculus@icculus.org>
parents: 6729
diff changeset
   479
        if ((!val) || (SDL_strcmp(val, "1") != 0)) {
7fdaee2be782 Updated Linux joystick code to support hotplug, GUIDs, etc.
Ryan C. Gordon <icculus@icculus.org>
parents: 6729
diff changeset
   480
            continue;
7fdaee2be782 Updated Linux joystick code to support hotplug, GUIDs, etc.
Ryan C. Gordon <icculus@icculus.org>
parents: 6729
diff changeset
   481
        }
7fdaee2be782 Updated Linux joystick code to support hotplug, GUIDs, etc.
Ryan C. Gordon <icculus@icculus.org>
parents: 6729
diff changeset
   482
7fdaee2be782 Updated Linux joystick code to support hotplug, GUIDs, etc.
Ryan C. Gordon <icculus@icculus.org>
parents: 6729
diff changeset
   483
        action = UDEV_udev_device_get_action(dev);
7fdaee2be782 Updated Linux joystick code to support hotplug, GUIDs, etc.
Ryan C. Gordon <icculus@icculus.org>
parents: 6729
diff changeset
   484
        devnode = UDEV_udev_device_get_devnode(dev);
7fdaee2be782 Updated Linux joystick code to support hotplug, GUIDs, etc.
Ryan C. Gordon <icculus@icculus.org>
parents: 6729
diff changeset
   485
7fdaee2be782 Updated Linux joystick code to support hotplug, GUIDs, etc.
Ryan C. Gordon <icculus@icculus.org>
parents: 6729
diff changeset
   486
        if (SDL_strcmp(action, "add") == 0) {
7fdaee2be782 Updated Linux joystick code to support hotplug, GUIDs, etc.
Ryan C. Gordon <icculus@icculus.org>
parents: 6729
diff changeset
   487
            const int device_index = MaybeAddDevice(devnode);
7fdaee2be782 Updated Linux joystick code to support hotplug, GUIDs, etc.
Ryan C. Gordon <icculus@icculus.org>
parents: 6729
diff changeset
   488
            if (device_index != -1) {
7fdaee2be782 Updated Linux joystick code to support hotplug, GUIDs, etc.
Ryan C. Gordon <icculus@icculus.org>
parents: 6729
diff changeset
   489
                /* !!! FIXME: Move this to an SDL_PrivateJoyDeviceAdded() function? */
7fdaee2be782 Updated Linux joystick code to support hotplug, GUIDs, etc.
Ryan C. Gordon <icculus@icculus.org>
parents: 6729
diff changeset
   490
                #if !SDL_EVENTS_DISABLED
7fdaee2be782 Updated Linux joystick code to support hotplug, GUIDs, etc.
Ryan C. Gordon <icculus@icculus.org>
parents: 6729
diff changeset
   491
                SDL_Event event;
7fdaee2be782 Updated Linux joystick code to support hotplug, GUIDs, etc.
Ryan C. Gordon <icculus@icculus.org>
parents: 6729
diff changeset
   492
                event.type = SDL_JOYDEVICEADDED;
7fdaee2be782 Updated Linux joystick code to support hotplug, GUIDs, etc.
Ryan C. Gordon <icculus@icculus.org>
parents: 6729
diff changeset
   493
7fdaee2be782 Updated Linux joystick code to support hotplug, GUIDs, etc.
Ryan C. Gordon <icculus@icculus.org>
parents: 6729
diff changeset
   494
                if (SDL_GetEventState(event.type) == SDL_ENABLE) {
7fdaee2be782 Updated Linux joystick code to support hotplug, GUIDs, etc.
Ryan C. Gordon <icculus@icculus.org>
parents: 6729
diff changeset
   495
                    event.jdevice.which = device_index;
7fdaee2be782 Updated Linux joystick code to support hotplug, GUIDs, etc.
Ryan C. Gordon <icculus@icculus.org>
parents: 6729
diff changeset
   496
                    if ( (SDL_EventOK == NULL) ||
7fdaee2be782 Updated Linux joystick code to support hotplug, GUIDs, etc.
Ryan C. Gordon <icculus@icculus.org>
parents: 6729
diff changeset
   497
                         (*SDL_EventOK) (SDL_EventOKParam, &event) ) {
7fdaee2be782 Updated Linux joystick code to support hotplug, GUIDs, etc.
Ryan C. Gordon <icculus@icculus.org>
parents: 6729
diff changeset
   498
                        SDL_PushEvent(&event);
7fdaee2be782 Updated Linux joystick code to support hotplug, GUIDs, etc.
Ryan C. Gordon <icculus@icculus.org>
parents: 6729
diff changeset
   499
                    }
7fdaee2be782 Updated Linux joystick code to support hotplug, GUIDs, etc.
Ryan C. Gordon <icculus@icculus.org>
parents: 6729
diff changeset
   500
                }
7fdaee2be782 Updated Linux joystick code to support hotplug, GUIDs, etc.
Ryan C. Gordon <icculus@icculus.org>
parents: 6729
diff changeset
   501
                #endif // !SDL_EVENTS_DISABLED
7fdaee2be782 Updated Linux joystick code to support hotplug, GUIDs, etc.
Ryan C. Gordon <icculus@icculus.org>
parents: 6729
diff changeset
   502
            }
7fdaee2be782 Updated Linux joystick code to support hotplug, GUIDs, etc.
Ryan C. Gordon <icculus@icculus.org>
parents: 6729
diff changeset
   503
        } else if (SDL_strcmp(action, "remove") == 0) {
7fdaee2be782 Updated Linux joystick code to support hotplug, GUIDs, etc.
Ryan C. Gordon <icculus@icculus.org>
parents: 6729
diff changeset
   504
            const int inst = MaybeRemoveDevice(devnode);
7fdaee2be782 Updated Linux joystick code to support hotplug, GUIDs, etc.
Ryan C. Gordon <icculus@icculus.org>
parents: 6729
diff changeset
   505
            if (inst != -1) {
7fdaee2be782 Updated Linux joystick code to support hotplug, GUIDs, etc.
Ryan C. Gordon <icculus@icculus.org>
parents: 6729
diff changeset
   506
                /* !!! FIXME: Move this to an SDL_PrivateJoyDeviceRemoved() function? */
7fdaee2be782 Updated Linux joystick code to support hotplug, GUIDs, etc.
Ryan C. Gordon <icculus@icculus.org>
parents: 6729
diff changeset
   507
                #if !SDL_EVENTS_DISABLED
7fdaee2be782 Updated Linux joystick code to support hotplug, GUIDs, etc.
Ryan C. Gordon <icculus@icculus.org>
parents: 6729
diff changeset
   508
                SDL_Event event;
7fdaee2be782 Updated Linux joystick code to support hotplug, GUIDs, etc.
Ryan C. Gordon <icculus@icculus.org>
parents: 6729
diff changeset
   509
                event.type = SDL_JOYDEVICEREMOVED;
7fdaee2be782 Updated Linux joystick code to support hotplug, GUIDs, etc.
Ryan C. Gordon <icculus@icculus.org>
parents: 6729
diff changeset
   510
7fdaee2be782 Updated Linux joystick code to support hotplug, GUIDs, etc.
Ryan C. Gordon <icculus@icculus.org>
parents: 6729
diff changeset
   511
                if (SDL_GetEventState(event.type) == SDL_ENABLE) {
7fdaee2be782 Updated Linux joystick code to support hotplug, GUIDs, etc.
Ryan C. Gordon <icculus@icculus.org>
parents: 6729
diff changeset
   512
                    event.jdevice.which = inst;
7fdaee2be782 Updated Linux joystick code to support hotplug, GUIDs, etc.
Ryan C. Gordon <icculus@icculus.org>
parents: 6729
diff changeset
   513
                    if ( (SDL_EventOK == NULL) ||
7fdaee2be782 Updated Linux joystick code to support hotplug, GUIDs, etc.
Ryan C. Gordon <icculus@icculus.org>
parents: 6729
diff changeset
   514
                         (*SDL_EventOK) (SDL_EventOKParam, &event) ) {
7fdaee2be782 Updated Linux joystick code to support hotplug, GUIDs, etc.
Ryan C. Gordon <icculus@icculus.org>
parents: 6729
diff changeset
   515
                        SDL_PushEvent(&event);
7fdaee2be782 Updated Linux joystick code to support hotplug, GUIDs, etc.
Ryan C. Gordon <icculus@icculus.org>
parents: 6729
diff changeset
   516
                    }
7fdaee2be782 Updated Linux joystick code to support hotplug, GUIDs, etc.
Ryan C. Gordon <icculus@icculus.org>
parents: 6729
diff changeset
   517
                }
7fdaee2be782 Updated Linux joystick code to support hotplug, GUIDs, etc.
Ryan C. Gordon <icculus@icculus.org>
parents: 6729
diff changeset
   518
                #endif // !SDL_EVENTS_DISABLED 
7fdaee2be782 Updated Linux joystick code to support hotplug, GUIDs, etc.
Ryan C. Gordon <icculus@icculus.org>
parents: 6729
diff changeset
   519
            }
7fdaee2be782 Updated Linux joystick code to support hotplug, GUIDs, etc.
Ryan C. Gordon <icculus@icculus.org>
parents: 6729
diff changeset
   520
        }
7fdaee2be782 Updated Linux joystick code to support hotplug, GUIDs, etc.
Ryan C. Gordon <icculus@icculus.org>
parents: 6729
diff changeset
   521
        UDEV_udev_device_unref(dev);
7fdaee2be782 Updated Linux joystick code to support hotplug, GUIDs, etc.
Ryan C. Gordon <icculus@icculus.org>
parents: 6729
diff changeset
   522
    }
7fdaee2be782 Updated Linux joystick code to support hotplug, GUIDs, etc.
Ryan C. Gordon <icculus@icculus.org>
parents: 6729
diff changeset
   523
#endif
6707
70eeb7e3ec2f Organized joystick hotplug code a bit.
Sam Lantinga <slouken@libsdl.org>
parents: 6698
diff changeset
   524
}
70eeb7e3ec2f Organized joystick hotplug code a bit.
Sam Lantinga <slouken@libsdl.org>
parents: 6698
diff changeset
   525
70eeb7e3ec2f Organized joystick hotplug code a bit.
Sam Lantinga <slouken@libsdl.org>
parents: 6698
diff changeset
   526
SDL_bool SDL_SYS_JoystickNeedsPolling()
70eeb7e3ec2f Organized joystick hotplug code a bit.
Sam Lantinga <slouken@libsdl.org>
parents: 6698
diff changeset
   527
{
6734
7fdaee2be782 Updated Linux joystick code to support hotplug, GUIDs, etc.
Ryan C. Gordon <icculus@icculus.org>
parents: 6729
diff changeset
   528
    /*
7fdaee2be782 Updated Linux joystick code to support hotplug, GUIDs, etc.
Ryan C. Gordon <icculus@icculus.org>
parents: 6729
diff changeset
   529
     * This results in a select() call, so technically we're polling to
7fdaee2be782 Updated Linux joystick code to support hotplug, GUIDs, etc.
Ryan C. Gordon <icculus@icculus.org>
parents: 6729
diff changeset
   530
     *  decide if we should poll, but I think this function is here because
7fdaee2be782 Updated Linux joystick code to support hotplug, GUIDs, etc.
Ryan C. Gordon <icculus@icculus.org>
parents: 6729
diff changeset
   531
     *  Windows has to do an enormous amount of work to detect new sticks,
7fdaee2be782 Updated Linux joystick code to support hotplug, GUIDs, etc.
Ryan C. Gordon <icculus@icculus.org>
parents: 6729
diff changeset
   532
     *  whereas libudev just needs to see if there's more data available on
7fdaee2be782 Updated Linux joystick code to support hotplug, GUIDs, etc.
Ryan C. Gordon <icculus@icculus.org>
parents: 6729
diff changeset
   533
     *  a socket...so this should be acceptable, I hope.
7fdaee2be782 Updated Linux joystick code to support hotplug, GUIDs, etc.
Ryan C. Gordon <icculus@icculus.org>
parents: 6729
diff changeset
   534
     */
7fdaee2be782 Updated Linux joystick code to support hotplug, GUIDs, etc.
Ryan C. Gordon <icculus@icculus.org>
parents: 6729
diff changeset
   535
    return HotplugUpdateAvailable();
7fdaee2be782 Updated Linux joystick code to support hotplug, GUIDs, etc.
Ryan C. Gordon <icculus@icculus.org>
parents: 6729
diff changeset
   536
}
7fdaee2be782 Updated Linux joystick code to support hotplug, GUIDs, etc.
Ryan C. Gordon <icculus@icculus.org>
parents: 6729
diff changeset
   537
7fdaee2be782 Updated Linux joystick code to support hotplug, GUIDs, etc.
Ryan C. Gordon <icculus@icculus.org>
parents: 6729
diff changeset
   538
static SDL_joylist_item *
7fdaee2be782 Updated Linux joystick code to support hotplug, GUIDs, etc.
Ryan C. Gordon <icculus@icculus.org>
parents: 6729
diff changeset
   539
JoystickByDevIndex(int device_index)
7fdaee2be782 Updated Linux joystick code to support hotplug, GUIDs, etc.
Ryan C. Gordon <icculus@icculus.org>
parents: 6729
diff changeset
   540
{
7fdaee2be782 Updated Linux joystick code to support hotplug, GUIDs, etc.
Ryan C. Gordon <icculus@icculus.org>
parents: 6729
diff changeset
   541
    SDL_joylist_item *item = SDL_joylist;
7fdaee2be782 Updated Linux joystick code to support hotplug, GUIDs, etc.
Ryan C. Gordon <icculus@icculus.org>
parents: 6729
diff changeset
   542
7fdaee2be782 Updated Linux joystick code to support hotplug, GUIDs, etc.
Ryan C. Gordon <icculus@icculus.org>
parents: 6729
diff changeset
   543
    if ((device_index < 0) || (device_index >= numjoysticks)) {
7fdaee2be782 Updated Linux joystick code to support hotplug, GUIDs, etc.
Ryan C. Gordon <icculus@icculus.org>
parents: 6729
diff changeset
   544
        return NULL;
7fdaee2be782 Updated Linux joystick code to support hotplug, GUIDs, etc.
Ryan C. Gordon <icculus@icculus.org>
parents: 6729
diff changeset
   545
    }
7fdaee2be782 Updated Linux joystick code to support hotplug, GUIDs, etc.
Ryan C. Gordon <icculus@icculus.org>
parents: 6729
diff changeset
   546
7fdaee2be782 Updated Linux joystick code to support hotplug, GUIDs, etc.
Ryan C. Gordon <icculus@icculus.org>
parents: 6729
diff changeset
   547
    while (device_index > 0) {
7fdaee2be782 Updated Linux joystick code to support hotplug, GUIDs, etc.
Ryan C. Gordon <icculus@icculus.org>
parents: 6729
diff changeset
   548
        SDL_assert(item != NULL);
7fdaee2be782 Updated Linux joystick code to support hotplug, GUIDs, etc.
Ryan C. Gordon <icculus@icculus.org>
parents: 6729
diff changeset
   549
        device_index--;
7fdaee2be782 Updated Linux joystick code to support hotplug, GUIDs, etc.
Ryan C. Gordon <icculus@icculus.org>
parents: 6729
diff changeset
   550
        item = item->next;
7fdaee2be782 Updated Linux joystick code to support hotplug, GUIDs, etc.
Ryan C. Gordon <icculus@icculus.org>
parents: 6729
diff changeset
   551
    }
7fdaee2be782 Updated Linux joystick code to support hotplug, GUIDs, etc.
Ryan C. Gordon <icculus@icculus.org>
parents: 6729
diff changeset
   552
7fdaee2be782 Updated Linux joystick code to support hotplug, GUIDs, etc.
Ryan C. Gordon <icculus@icculus.org>
parents: 6729
diff changeset
   553
    return item;
6707
70eeb7e3ec2f Organized joystick hotplug code a bit.
Sam Lantinga <slouken@libsdl.org>
parents: 6698
diff changeset
   554
}
70eeb7e3ec2f Organized joystick hotplug code a bit.
Sam Lantinga <slouken@libsdl.org>
parents: 6698
diff changeset
   555
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   556
/* 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
   557
const char *
6707
70eeb7e3ec2f Organized joystick hotplug code a bit.
Sam Lantinga <slouken@libsdl.org>
parents: 6698
diff changeset
   558
SDL_SYS_JoystickNameForDeviceIndex(int device_index)
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   559
{
6734
7fdaee2be782 Updated Linux joystick code to support hotplug, GUIDs, etc.
Ryan C. Gordon <icculus@icculus.org>
parents: 6729
diff changeset
   560
    return JoystickByDevIndex(device_index)->name;
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
6707
70eeb7e3ec2f Organized joystick hotplug code a bit.
Sam Lantinga <slouken@libsdl.org>
parents: 6698
diff changeset
   563
/* Function to perform the mapping from device index to the instance id for this index */
70eeb7e3ec2f Organized joystick hotplug code a bit.
Sam Lantinga <slouken@libsdl.org>
parents: 6698
diff changeset
   564
SDL_JoystickID SDL_SYS_GetInstanceIdOfDeviceIndex(int device_index)
70eeb7e3ec2f Organized joystick hotplug code a bit.
Sam Lantinga <slouken@libsdl.org>
parents: 6698
diff changeset
   565
{
6734
7fdaee2be782 Updated Linux joystick code to support hotplug, GUIDs, etc.
Ryan C. Gordon <icculus@icculus.org>
parents: 6729
diff changeset
   566
    return JoystickByDevIndex(device_index)->device_instance;
6707
70eeb7e3ec2f Organized joystick hotplug code a bit.
Sam Lantinga <slouken@libsdl.org>
parents: 6698
diff changeset
   567
}
70eeb7e3ec2f Organized joystick hotplug code a bit.
Sam Lantinga <slouken@libsdl.org>
parents: 6698
diff changeset
   568
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
   569
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
   570
allocate_hatdata(SDL_Joystick * joystick)
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   571
{
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
   572
    int i;
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   573
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
   574
    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
   575
        (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
   576
                                         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
   577
    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
   578
        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
   579
    }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   580
    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
   581
        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
   582
        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
   583
    }
c121d94672cb SDL 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
    return (0);
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   585
}
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   586
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
   587
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
   588
allocate_balldata(SDL_Joystick * joystick)
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   589
{
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
   590
    int i;
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   591
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
   592
    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
   593
        (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
   594
                                          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
   595
    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
   596
        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
   597
    }
c121d94672cb SDL 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
    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
   599
        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
   600
        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
   601
    }
c121d94672cb SDL 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
    return (0);
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   603
}
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   604
6729
fdaeea9e7567 Removed old Linux joystick API (/dev/js*).
Ryan C. Gordon <icculus@icculus.org>
parents: 6728
diff changeset
   605
static void
fdaeea9e7567 Removed old Linux joystick API (/dev/js*).
Ryan C. Gordon <icculus@icculus.org>
parents: 6728
diff changeset
   606
ConfigJoystick(SDL_Joystick * joystick, int fd)
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
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
    int i, t;
3404
c9dcc73f6a36 Fixed bug #853
Sam Lantinga <slouken@libsdl.org>
parents: 3326
diff changeset
   609
    unsigned long keybit[NBITS(KEY_MAX)] = { 0 };
c9dcc73f6a36 Fixed bug #853
Sam Lantinga <slouken@libsdl.org>
parents: 3326
diff changeset
   610
    unsigned long absbit[NBITS(ABS_MAX)] = { 0 };
c9dcc73f6a36 Fixed bug #853
Sam Lantinga <slouken@libsdl.org>
parents: 3326
diff changeset
   611
    unsigned long relbit[NBITS(REL_MAX)] = { 0 };
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
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
    /* 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
   614
    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
   615
        (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
   616
        (ioctl(fd, EVIOCGBIT(EV_REL, sizeof(relbit)), relbit) >= 0)) {
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   617
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
   618
        /* 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
   619
        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
   620
            if (test_bit(i, keybit)) {
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   621
#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
   622
                printf("Joystick has button: 0x%x\n", i);
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   623
#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
   624
                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
   625
                ++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
   626
            }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   627
        }
c121d94672cb SDL 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
        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
   629
            if (test_bit(i, keybit)) {
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   630
#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
   631
                printf("Joystick has button: 0x%x\n", i);
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   632
#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
   633
                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
   634
                ++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
   635
            }
c121d94672cb SDL 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
        }
5562
aa0e501baca0 Linux: Search a smaller set of potential joystick axes.
Ryan C. Gordon <icculus@icculus.org>
parents: 5535
diff changeset
   637
        for (i = 0; i < ABS_MISC; ++i) {
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
   638
            /* 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
   639
            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
   640
                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
   641
                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
   642
            }
c121d94672cb SDL 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 (test_bit(i, absbit)) {
5084
ac2c68eb1bb9 Fixed bug #1080
Sam Lantinga <slouken@libsdl.org>
parents: 3697
diff changeset
   644
                struct input_absinfo absinfo;
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   645
5085
e7680e2c9f3c Fixed compile error
Sam Lantinga <slouken@libsdl.org>
parents: 5084
diff changeset
   646
                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
   647
                    continue;
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   648
#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
   649
                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
   650
                printf("Values = { %d, %d, %d, %d, %d }\n",
5084
ac2c68eb1bb9 Fixed bug #1080
Sam Lantinga <slouken@libsdl.org>
parents: 3697
diff changeset
   651
                       absinfo.value, absinfo.minimum, absinfo.maximum,
ac2c68eb1bb9 Fixed bug #1080
Sam Lantinga <slouken@libsdl.org>
parents: 3697
diff changeset
   652
                       absinfo.fuzz, absinfo.flat);
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   653
#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
   654
                joystick->hwdata->abs_map[i] = joystick->naxes;
5084
ac2c68eb1bb9 Fixed bug #1080
Sam Lantinga <slouken@libsdl.org>
parents: 3697
diff changeset
   655
                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
   656
                    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
   657
                } 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
   658
                    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
   659
                    joystick->hwdata->abs_correct[i].coef[0] =
5084
ac2c68eb1bb9 Fixed bug #1080
Sam Lantinga <slouken@libsdl.org>
parents: 3697
diff changeset
   660
                        (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
   661
                    joystick->hwdata->abs_correct[i].coef[1] =
5084
ac2c68eb1bb9 Fixed bug #1080
Sam Lantinga <slouken@libsdl.org>
parents: 3697
diff changeset
   662
                        (absinfo.maximum + absinfo.minimum) / 2 + absinfo.flat;
ac2c68eb1bb9 Fixed bug #1080
Sam Lantinga <slouken@libsdl.org>
parents: 3697
diff changeset
   663
                    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
   664
                    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
   665
                        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
   666
                            (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
   667
                    } 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
   668
                        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
   669
                    }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   670
                }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   671
                ++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
   672
            }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   673
        }
c121d94672cb SDL 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
        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
   675
            if (test_bit(i, absbit) || test_bit(i + 1, absbit)) {
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   676
#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
   677
                printf("Joystick has hat %d\n", (i - ABS_HAT0X) / 2);
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   678
#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
   679
                ++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
   680
            }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   681
        }
c121d94672cb SDL 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
        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
   683
            ++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
   684
        }
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   685
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
   686
        /* 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
   687
        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
   688
            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
   689
                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
   690
            }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   691
        }
c121d94672cb SDL 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
        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
   693
            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
   694
                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
   695
            }
c121d94672cb SDL 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
    }
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   698
}
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   699
892
dc29e5907694 Date: Sun, 18 Apr 2004 16:09:53 -0400 (EDT)
Sam Lantinga <slouken@libsdl.org>
parents: 872
diff changeset
   700
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   701
/* Function to open a joystick for use.
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   702
   The joystick to open is specified by the index field of the joystick.
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   703
   This should fill the nbuttons and naxes fields of the joystick structure.
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   704
   It returns 0, or -1 if there is an error.
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   705
 */
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
   706
int
6690
9548c8a58103 Added hotplug joystick support and simplified game controller API, courtesy of Alfred Reynolds
Sam Lantinga <slouken@libsdl.org>
parents: 6389
diff changeset
   707
SDL_SYS_JoystickOpen(SDL_Joystick * joystick, int device_index)
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   708
{
6734
7fdaee2be782 Updated Linux joystick code to support hotplug, GUIDs, etc.
Ryan C. Gordon <icculus@icculus.org>
parents: 6729
diff changeset
   709
    SDL_joylist_item *item = JoystickByDevIndex(device_index);
7fdaee2be782 Updated Linux joystick code to support hotplug, GUIDs, etc.
Ryan C. Gordon <icculus@icculus.org>
parents: 6729
diff changeset
   710
    char *fname = NULL;
7fdaee2be782 Updated Linux joystick code to support hotplug, GUIDs, etc.
Ryan C. Gordon <icculus@icculus.org>
parents: 6729
diff changeset
   711
    int fd = -1;
892
dc29e5907694 Date: Sun, 18 Apr 2004 16:09:53 -0400 (EDT)
Sam Lantinga <slouken@libsdl.org>
parents: 872
diff changeset
   712
6734
7fdaee2be782 Updated Linux joystick code to support hotplug, GUIDs, etc.
Ryan C. Gordon <icculus@icculus.org>
parents: 6729
diff changeset
   713
    if (item == NULL) {
7fdaee2be782 Updated Linux joystick code to support hotplug, GUIDs, etc.
Ryan C. Gordon <icculus@icculus.org>
parents: 6729
diff changeset
   714
        SDL_SetError("No such device");
7fdaee2be782 Updated Linux joystick code to support hotplug, GUIDs, etc.
Ryan C. Gordon <icculus@icculus.org>
parents: 6729
diff changeset
   715
        return -1;
7fdaee2be782 Updated Linux joystick code to support hotplug, GUIDs, etc.
Ryan C. Gordon <icculus@icculus.org>
parents: 6729
diff changeset
   716
    }
892
dc29e5907694 Date: Sun, 18 Apr 2004 16:09:53 -0400 (EDT)
Sam Lantinga <slouken@libsdl.org>
parents: 872
diff changeset
   717
6734
7fdaee2be782 Updated Linux joystick code to support hotplug, GUIDs, etc.
Ryan C. Gordon <icculus@icculus.org>
parents: 6729
diff changeset
   718
    fname = item->path;
7fdaee2be782 Updated Linux joystick code to support hotplug, GUIDs, etc.
Ryan C. Gordon <icculus@icculus.org>
parents: 6729
diff changeset
   719
    fd = open(fname, O_RDONLY, 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
   720
    if (fd < 0) {
6734
7fdaee2be782 Updated Linux joystick code to support hotplug, GUIDs, etc.
Ryan C. Gordon <icculus@icculus.org>
parents: 6729
diff changeset
   721
        SDL_SetError("Unable to open %s", fname);
7fdaee2be782 Updated Linux joystick code to support hotplug, GUIDs, etc.
Ryan C. Gordon <icculus@icculus.org>
parents: 6729
diff changeset
   722
        return -1;
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
   723
    }
6734
7fdaee2be782 Updated Linux joystick code to support hotplug, GUIDs, etc.
Ryan C. Gordon <icculus@icculus.org>
parents: 6729
diff changeset
   724
6751
a1f87fd7ed72 Corrected device instance value for Linux joysticks.
Ryan C. Gordon <icculus@icculus.org>
parents: 6749
diff changeset
   725
    joystick->instance_id = item->device_instance;
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 = (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
   727
        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
   728
    if (joystick->hwdata == NULL) {
6734
7fdaee2be782 Updated Linux joystick code to support hotplug, GUIDs, etc.
Ryan C. Gordon <icculus@icculus.org>
parents: 6729
diff changeset
   729
        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
   730
        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
   731
        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
   732
    }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   733
    SDL_memset(joystick->hwdata, 0, sizeof(*joystick->hwdata));
6752
8de11011eb1f Corrected Linux joystick things, fixes assertion failure from testjoystick.
Ryan C. Gordon <icculus@icculus.org>
parents: 6751
diff changeset
   734
    joystick->hwdata->item = item;
6734
7fdaee2be782 Updated Linux joystick code to support hotplug, GUIDs, etc.
Ryan C. Gordon <icculus@icculus.org>
parents: 6729
diff changeset
   735
    joystick->hwdata->guid = item->guid;
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
   736
    joystick->hwdata->fd = fd;
6734
7fdaee2be782 Updated Linux joystick code to support hotplug, GUIDs, etc.
Ryan C. Gordon <icculus@icculus.org>
parents: 6729
diff changeset
   737
    joystick->hwdata->fname = SDL_strdup(item->path);
7fdaee2be782 Updated Linux joystick code to support hotplug, GUIDs, etc.
Ryan C. Gordon <icculus@icculus.org>
parents: 6729
diff changeset
   738
    if (joystick->hwdata->fname == NULL) {
7fdaee2be782 Updated Linux joystick code to support hotplug, GUIDs, etc.
Ryan C. Gordon <icculus@icculus.org>
parents: 6729
diff changeset
   739
        SDL_free(joystick->hwdata);
7fdaee2be782 Updated Linux joystick code to support hotplug, GUIDs, etc.
Ryan C. Gordon <icculus@icculus.org>
parents: 6729
diff changeset
   740
        joystick->hwdata = NULL;
7fdaee2be782 Updated Linux joystick code to support hotplug, GUIDs, etc.
Ryan C. Gordon <icculus@icculus.org>
parents: 6729
diff changeset
   741
        close(fd);
7fdaee2be782 Updated Linux joystick code to support hotplug, GUIDs, etc.
Ryan C. Gordon <icculus@icculus.org>
parents: 6729
diff changeset
   742
        SDL_OutOfMemory();
7fdaee2be782 Updated Linux joystick code to support hotplug, GUIDs, etc.
Ryan C. Gordon <icculus@icculus.org>
parents: 6729
diff changeset
   743
        return (-1);
7fdaee2be782 Updated Linux joystick code to support hotplug, GUIDs, etc.
Ryan C. Gordon <icculus@icculus.org>
parents: 6729
diff changeset
   744
    }
7fdaee2be782 Updated Linux joystick code to support hotplug, GUIDs, etc.
Ryan C. Gordon <icculus@icculus.org>
parents: 6729
diff changeset
   745
7fdaee2be782 Updated Linux joystick code to support hotplug, GUIDs, etc.
Ryan C. Gordon <icculus@icculus.org>
parents: 6729
diff changeset
   746
    SDL_assert(item->hwdata == NULL);
7fdaee2be782 Updated Linux joystick code to support hotplug, GUIDs, etc.
Ryan C. Gordon <icculus@icculus.org>
parents: 6729
diff changeset
   747
    item->hwdata = joystick->hwdata;
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   748
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
    /* 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
   750
    fcntl(fd, F_SETFL, O_NONBLOCK);
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   751
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
   752
    /* Get the number of buttons and axes on the joystick */
6729
fdaeea9e7567 Removed old Linux joystick API (/dev/js*).
Ryan C. Gordon <icculus@icculus.org>
parents: 6728
diff changeset
   753
    ConfigJoystick(joystick, fd);
554
38b1a98aeb11 Linux joystick cleanups from Alan Swanson
Sam Lantinga <slouken@libsdl.org>
parents: 408
diff changeset
   754
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
   755
    return (0);
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   756
}
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   757
6707
70eeb7e3ec2f Organized joystick hotplug code a bit.
Sam Lantinga <slouken@libsdl.org>
parents: 6698
diff changeset
   758
/* Function to determine is this joystick is attached to the system right now */
70eeb7e3ec2f Organized joystick hotplug code a bit.
Sam Lantinga <slouken@libsdl.org>
parents: 6698
diff changeset
   759
SDL_bool SDL_SYS_JoystickAttached(SDL_Joystick *joystick)
70eeb7e3ec2f Organized joystick hotplug code a bit.
Sam Lantinga <slouken@libsdl.org>
parents: 6698
diff changeset
   760
{
6752
8de11011eb1f Corrected Linux joystick things, fixes assertion failure from testjoystick.
Ryan C. Gordon <icculus@icculus.org>
parents: 6751
diff changeset
   761
    return !joystick->closed && (joystick->hwdata->item != NULL);
6707
70eeb7e3ec2f Organized joystick hotplug code a bit.
Sam Lantinga <slouken@libsdl.org>
parents: 6698
diff changeset
   762
}
70eeb7e3ec2f Organized joystick hotplug code a bit.
Sam Lantinga <slouken@libsdl.org>
parents: 6698
diff changeset
   763
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
   764
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
   765
HandleHat(SDL_Joystick * stick, Uint8 hat, int axis, int value)
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   766
{
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
   767
    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
   768
    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
   769
        {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
   770
        {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
   771
        {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
   772
    };
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   773
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
    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
   775
    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
   776
        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
   777
    } 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
   778
        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
   779
    } 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
   780
        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
   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
    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
   783
        the_hat->axis[axis] = value;
c121d94672cb SDL 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
        SDL_PrivateJoystickHat(stick, hat,
3013
8cc00819c8d6 Reverted Bob's indent checkin
Sam Lantinga <slouken@libsdl.org>
parents: 3011
diff changeset
   785
                               position_map[the_hat->
8cc00819c8d6 Reverted Bob's indent checkin
Sam Lantinga <slouken@libsdl.org>
parents: 3011
diff changeset
   786
                                            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
   787
    }
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   788
}
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   789
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
   790
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
   791
HandleBall(SDL_Joystick * stick, Uint8 ball, int axis, int value)
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   792
{
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
   793
    stick->hwdata->balls[ball].axis[axis] += value;
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   794
}
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   795
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   796
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
   797
static __inline__ int
6729
fdaeea9e7567 Removed old Linux joystick API (/dev/js*).
Ryan C. Gordon <icculus@icculus.org>
parents: 6728
diff changeset
   798
AxisCorrect(SDL_Joystick * joystick, int which, int value)
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   799
{
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
    struct axis_correct *correct;
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   801
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
   802
    correct = &joystick->hwdata->abs_correct[which];
c121d94672cb SDL 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
    if (correct->used) {
c121d94672cb SDL 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
        if (value > correct->coef[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
   805
            if (value < correct->coef[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
   806
                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
   807
            }
c121d94672cb SDL 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
            value -= correct->coef[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
   809
        } 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
   810
            value -= correct->coef[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
   811
        }
c121d94672cb SDL 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
        value *= correct->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
   813
        value >>= 14;
c121d94672cb SDL 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
    }
554
38b1a98aeb11 Linux joystick cleanups from Alan Swanson
Sam Lantinga <slouken@libsdl.org>
parents: 408
diff changeset
   815
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
   816
    /* Clamp and return */
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   817
    if (value < -32768)
c121d94672cb SDL 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
        return -32768;
c121d94672cb SDL 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
    if (value > 32767)
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   820
        return 32767;
554
38b1a98aeb11 Linux joystick cleanups from Alan Swanson
Sam Lantinga <slouken@libsdl.org>
parents: 408
diff changeset
   821
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
   822
    return value;
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   823
}
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
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
static __inline__ void
6729
fdaeea9e7567 Removed old Linux joystick API (/dev/js*).
Ryan C. Gordon <icculus@icculus.org>
parents: 6728
diff changeset
   826
HandleInputEvents(SDL_Joystick * joystick)
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   827
{
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
   828
    struct input_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
   829
    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
   830
    int code;
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   831
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
   832
    while ((len = read(joystick->hwdata->fd, events, (sizeof events))) > 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
   833
        len /= sizeof(events[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
   834
        for (i = 0; i < len; ++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
   835
            code = events[i].code;
c121d94672cb SDL 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
            switch (events[i].type) {
c121d94672cb SDL 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
            case EV_KEY:
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   838
                if (code >= BTN_MISC) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   839
                    code -= BTN_MISC;
6728
0f8336c1f6d9 Removed the "logical" Linux joystick code.
Ryan C. Gordon <icculus@icculus.org>
parents: 6707
diff changeset
   840
                    SDL_PrivateJoystickButton(joystick,
0f8336c1f6d9 Removed the "logical" Linux joystick code.
Ryan C. Gordon <icculus@icculus.org>
parents: 6707
diff changeset
   841
                                              joystick->hwdata->key_map[code],
0f8336c1f6d9 Removed the "logical" Linux joystick code.
Ryan C. Gordon <icculus@icculus.org>
parents: 6707
diff changeset
   842
                                              events[i].value);
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
                }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   844
                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
   845
            case EV_ABS:
6326
57001e845b72 Fix from 1.2 branch: ignore bogus Linux evdev joystick axes.
Ryan C. Gordon <icculus@icculus.org>
parents: 6138
diff changeset
   846
                if (code >= ABS_MISC) {
57001e845b72 Fix from 1.2 branch: ignore bogus Linux evdev joystick axes.
Ryan C. Gordon <icculus@icculus.org>
parents: 6138
diff changeset
   847
                    break;
57001e845b72 Fix from 1.2 branch: ignore bogus Linux evdev joystick axes.
Ryan C. Gordon <icculus@icculus.org>
parents: 6138
diff changeset
   848
                }
57001e845b72 Fix from 1.2 branch: ignore bogus Linux evdev joystick axes.
Ryan C. Gordon <icculus@icculus.org>
parents: 6138
diff changeset
   849
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
                switch (code) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   851
                case 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
   852
                case ABS_HAT0Y:
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   853
                case ABS_HAT1X:
c121d94672cb SDL 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
                case ABS_HAT1Y:
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   855
                case ABS_HAT2X:
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   856
                case ABS_HAT2Y:
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   857
                case ABS_HAT3X:
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   858
                case 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
   859
                    code -= 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
   860
                    HandleHat(joystick, code / 2, code % 2, events[i].value);
c121d94672cb SDL 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
                    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
   862
                default:
c121d94672cb SDL 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
                    events[i].value =
6729
fdaeea9e7567 Removed old Linux joystick API (/dev/js*).
Ryan C. Gordon <icculus@icculus.org>
parents: 6728
diff changeset
   864
                        AxisCorrect(joystick, code, events[i].value);
6728
0f8336c1f6d9 Removed the "logical" Linux joystick code.
Ryan C. Gordon <icculus@icculus.org>
parents: 6707
diff changeset
   865
                    SDL_PrivateJoystickAxis(joystick,
0f8336c1f6d9 Removed the "logical" Linux joystick code.
Ryan C. Gordon <icculus@icculus.org>
parents: 6707
diff changeset
   866
                                            joystick->hwdata->abs_map[code],
0f8336c1f6d9 Removed the "logical" Linux joystick code.
Ryan C. Gordon <icculus@icculus.org>
parents: 6707
diff changeset
   867
                                            events[i].value);
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
   868
                    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
   869
                }
c121d94672cb SDL 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
                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
   871
            case EV_REL:
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   872
                switch (code) {
c121d94672cb SDL 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
                case REL_X:
c121d94672cb SDL 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
                case REL_Y:
c121d94672cb SDL 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
                    code -= REL_X;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   876
                    HandleBall(joystick, code / 2, code % 2, events[i].value);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   877
                    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
   878
                default:
c121d94672cb SDL 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
                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
   882
            default:
c121d94672cb SDL 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
                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
   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
        }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   886
    }
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   887
}
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   888
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
   889
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
   890
SDL_SYS_JoystickUpdate(SDL_Joystick * joystick)
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   891
{
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
   892
    int 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
   893
6729
fdaeea9e7567 Removed old Linux joystick API (/dev/js*).
Ryan C. Gordon <icculus@icculus.org>
parents: 6728
diff changeset
   894
    HandleInputEvents(joystick);
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   895
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
   896
    /* Deliver ball motion updates */
c121d94672cb SDL 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
    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
   898
        int xrel, yrel;
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   899
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
   900
        xrel = joystick->hwdata->balls[i].axis[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
   901
        yrel = joystick->hwdata->balls[i].axis[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
   902
        if (xrel || yrel) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   903
            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
   904
            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
   905
            SDL_PrivateJoystickBall(joystick, (Uint8) i, xrel, yrel);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1821
diff changeset
   906
        }
c121d94672cb SDL 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
    }
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   908
}
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   909
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   910
/* Function to close a joystick after 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
   911
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
   912
SDL_SYS_JoystickClose(SDL_Joystick * joystick)
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   913
{
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
   914
    if (joystick->hwdata) {
6728
0f8336c1f6d9 Removed the "logical" Linux joystick code.
Ryan C. Gordon <icculus@icculus.org>
parents: 6707
diff changeset
   915
        close(joystick->hwdata->fd);
6752
8de11011eb1f Corrected Linux joystick things, fixes assertion failure from testjoystick.
Ryan C. Gordon <icculus@icculus.org>
parents: 6751
diff changeset
   916
        if (joystick->hwdata->item) {
8de11011eb1f Corrected Linux joystick things, fixes assertion failure from testjoystick.
Ryan C. Gordon <icculus@icculus.org>
parents: 6751
diff changeset
   917
            joystick->hwdata->item->hwdata = NULL;
8de11011eb1f Corrected Linux joystick things, fixes assertion failure from testjoystick.
Ryan C. Gordon <icculus@icculus.org>
parents: 6751
diff changeset
   918
        }
6734
7fdaee2be782 Updated Linux joystick code to support hotplug, GUIDs, etc.
Ryan C. Gordon <icculus@icculus.org>
parents: 6729
diff changeset
   919
        SDL_free(joystick->hwdata->hats);
7fdaee2be782 Updated Linux joystick code to support hotplug, GUIDs, etc.
Ryan C. Gordon <icculus@icculus.org>
parents: 6729
diff changeset
   920
        SDL_free(joystick->hwdata->balls);
7fdaee2be782 Updated Linux joystick code to support hotplug, GUIDs, etc.
Ryan C. Gordon <icculus@icculus.org>
parents: 6729
diff changeset
   921
        SDL_free(joystick->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
   922
        SDL_free(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
   923
        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
   924
    }
6690
9548c8a58103 Added hotplug joystick support and simplified game controller API, courtesy of Alfred Reynolds
Sam Lantinga <slouken@libsdl.org>
parents: 6389
diff changeset
   925
    joystick->closed = 1;
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   926
}
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   927
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   928
/* Function to perform any system-specific joystick related cleanup */
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
   929
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
   930
SDL_SYS_JoystickQuit(void)
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   931
{
6734
7fdaee2be782 Updated Linux joystick code to support hotplug, GUIDs, etc.
Ryan C. Gordon <icculus@icculus.org>
parents: 6729
diff changeset
   932
    SDL_joylist_item *item = NULL;
7fdaee2be782 Updated Linux joystick code to support hotplug, GUIDs, etc.
Ryan C. Gordon <icculus@icculus.org>
parents: 6729
diff changeset
   933
    SDL_joylist_item *next = NULL;
7fdaee2be782 Updated Linux joystick code to support hotplug, GUIDs, etc.
Ryan C. Gordon <icculus@icculus.org>
parents: 6729
diff changeset
   934
7fdaee2be782 Updated Linux joystick code to support hotplug, GUIDs, etc.
Ryan C. Gordon <icculus@icculus.org>
parents: 6729
diff changeset
   935
    for (item = SDL_joylist; item; item = next) {
7fdaee2be782 Updated Linux joystick code to support hotplug, GUIDs, etc.
Ryan C. Gordon <icculus@icculus.org>
parents: 6729
diff changeset
   936
        next = item->next;
7fdaee2be782 Updated Linux joystick code to support hotplug, GUIDs, etc.
Ryan C. Gordon <icculus@icculus.org>
parents: 6729
diff changeset
   937
        SDL_free(item->path);
7fdaee2be782 Updated Linux joystick code to support hotplug, GUIDs, etc.
Ryan C. Gordon <icculus@icculus.org>
parents: 6729
diff changeset
   938
        SDL_free(item->name);
7fdaee2be782 Updated Linux joystick code to support hotplug, GUIDs, etc.
Ryan C. Gordon <icculus@icculus.org>
parents: 6729
diff changeset
   939
        SDL_free(item);
7fdaee2be782 Updated Linux joystick code to support hotplug, GUIDs, etc.
Ryan C. Gordon <icculus@icculus.org>
parents: 6729
diff changeset
   940
    }
7fdaee2be782 Updated Linux joystick code to support hotplug, GUIDs, etc.
Ryan C. Gordon <icculus@icculus.org>
parents: 6729
diff changeset
   941
7fdaee2be782 Updated Linux joystick code to support hotplug, GUIDs, etc.
Ryan C. Gordon <icculus@icculus.org>
parents: 6729
diff changeset
   942
    SDL_joylist = SDL_joylist_tail = NULL;
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   943
6734
7fdaee2be782 Updated Linux joystick code to support hotplug, GUIDs, etc.
Ryan C. Gordon <icculus@icculus.org>
parents: 6729
diff changeset
   944
    numjoysticks = 0;
7fdaee2be782 Updated Linux joystick code to support hotplug, GUIDs, etc.
Ryan C. Gordon <icculus@icculus.org>
parents: 6729
diff changeset
   945
    instance_counter = 0;
7fdaee2be782 Updated Linux joystick code to support hotplug, GUIDs, etc.
Ryan C. Gordon <icculus@icculus.org>
parents: 6729
diff changeset
   946
7fdaee2be782 Updated Linux joystick code to support hotplug, GUIDs, etc.
Ryan C. Gordon <icculus@icculus.org>
parents: 6729
diff changeset
   947
#if SDL_USE_LIBUDEV
7fdaee2be782 Updated Linux joystick code to support hotplug, GUIDs, etc.
Ryan C. Gordon <icculus@icculus.org>
parents: 6729
diff changeset
   948
    if (udev_mon != NULL) {
7fdaee2be782 Updated Linux joystick code to support hotplug, GUIDs, etc.
Ryan C. Gordon <icculus@icculus.org>
parents: 6729
diff changeset
   949
        UDEV_udev_monitor_unref(udev_mon);
7fdaee2be782 Updated Linux joystick code to support hotplug, GUIDs, etc.
Ryan C. Gordon <icculus@icculus.org>
parents: 6729
diff changeset
   950
        udev_mon = NULL;
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
   951
    }
6734
7fdaee2be782 Updated Linux joystick code to support hotplug, GUIDs, etc.
Ryan C. Gordon <icculus@icculus.org>
parents: 6729
diff changeset
   952
    if (udev != NULL) {
7fdaee2be782 Updated Linux joystick code to support hotplug, GUIDs, etc.
Ryan C. Gordon <icculus@icculus.org>
parents: 6729
diff changeset
   953
        UDEV_udev_unref(udev);
7fdaee2be782 Updated Linux joystick code to support hotplug, GUIDs, etc.
Ryan C. Gordon <icculus@icculus.org>
parents: 6729
diff changeset
   954
        udev = NULL;
7fdaee2be782 Updated Linux joystick code to support hotplug, GUIDs, etc.
Ryan C. Gordon <icculus@icculus.org>
parents: 6729
diff changeset
   955
    }
7fdaee2be782 Updated Linux joystick code to support hotplug, GUIDs, etc.
Ryan C. Gordon <icculus@icculus.org>
parents: 6729
diff changeset
   956
    UnloadUDEVLibrary();
7fdaee2be782 Updated Linux joystick code to support hotplug, GUIDs, etc.
Ryan C. Gordon <icculus@icculus.org>
parents: 6729
diff changeset
   957
#endif
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   958
}
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   959
6738
b408d5a406a3 Changes from Alfred:
Sam Lantinga <slouken@libsdl.org>
parents: 6734
diff changeset
   960
SDL_JoystickGUID SDL_SYS_JoystickGetDeviceGUID( int device_index )
6690
9548c8a58103 Added hotplug joystick support and simplified game controller API, courtesy of Alfred Reynolds
Sam Lantinga <slouken@libsdl.org>
parents: 6389
diff changeset
   961
{
6734
7fdaee2be782 Updated Linux joystick code to support hotplug, GUIDs, etc.
Ryan C. Gordon <icculus@icculus.org>
parents: 6729
diff changeset
   962
    return JoystickByDevIndex(device_index)->guid;
6690
9548c8a58103 Added hotplug joystick support and simplified game controller API, courtesy of Alfred Reynolds
Sam Lantinga <slouken@libsdl.org>
parents: 6389
diff changeset
   963
}
9548c8a58103 Added hotplug joystick support and simplified game controller API, courtesy of Alfred Reynolds
Sam Lantinga <slouken@libsdl.org>
parents: 6389
diff changeset
   964
6738
b408d5a406a3 Changes from Alfred:
Sam Lantinga <slouken@libsdl.org>
parents: 6734
diff changeset
   965
SDL_JoystickGUID SDL_SYS_JoystickGetGUID(SDL_Joystick * joystick)
6690
9548c8a58103 Added hotplug joystick support and simplified game controller API, courtesy of Alfred Reynolds
Sam Lantinga <slouken@libsdl.org>
parents: 6389
diff changeset
   966
{
6734
7fdaee2be782 Updated Linux joystick code to support hotplug, GUIDs, etc.
Ryan C. Gordon <icculus@icculus.org>
parents: 6729
diff changeset
   967
    return joystick->hwdata->guid;
6690
9548c8a58103 Added hotplug joystick support and simplified game controller API, courtesy of Alfred Reynolds
Sam Lantinga <slouken@libsdl.org>
parents: 6389
diff changeset
   968
}
9548c8a58103 Added hotplug joystick support and simplified game controller API, courtesy of Alfred Reynolds
Sam Lantinga <slouken@libsdl.org>
parents: 6389
diff changeset
   969
1635
92947e3a18db Make sure code is only compiled if the appropriate subsystem is enabled
Sam Lantinga <slouken@libsdl.org>
parents: 1551
diff changeset
   970
#endif /* SDL_JOYSTICK_LINUX */
6693
3c98e4ec2180 Fixed iOS joystick support for new API
Sam Lantinga <slouken@libsdl.org>
parents: 6691
diff changeset
   971
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
   972
/* vi: set ts=4 sw=4 expandtab: */