diff options
Diffstat (limited to 'platform/linuxbsd/joypad_linux.cpp')
| -rw-r--r-- | platform/linuxbsd/joypad_linux.cpp | 71 |
1 files changed, 52 insertions, 19 deletions
diff --git a/platform/linuxbsd/joypad_linux.cpp b/platform/linuxbsd/joypad_linux.cpp index 0676587f7a..471259e50f 100644 --- a/platform/linuxbsd/joypad_linux.cpp +++ b/platform/linuxbsd/joypad_linux.cpp @@ -5,8 +5,8 @@ /* GODOT ENGINE */ /* https://godotengine.org */ /*************************************************************************/ -/* Copyright (c) 2007-2020 Juan Linietsky, Ariel Manzur. */ -/* Copyright (c) 2014-2020 Godot Engine contributors (cf. AUTHORS.md). */ +/* Copyright (c) 2007-2021 Juan Linietsky, Ariel Manzur. */ +/* Copyright (c) 2014-2021 Godot Engine contributors (cf. AUTHORS.md). */ /* */ /* Permission is hereby granted, free of charge, to any person obtaining */ /* a copy of this software and associated documentation files (the */ @@ -32,13 +32,14 @@ #include "joypad_linux.h" +#include <dirent.h> #include <errno.h> #include <fcntl.h> #include <linux/input.h> #include <unistd.h> #ifdef UDEV_ENABLED -#include <libudev.h> +#include "libudev-so_wrap.h" #endif #define LONG_BITS (sizeof(long) * 8) @@ -71,15 +72,28 @@ void JoypadLinux::Joypad::reset() { } JoypadLinux::JoypadLinux(Input *in) { - exit_udev = false; +#ifdef UDEV_ENABLED +#ifdef DEBUG_ENABLED + int dylibloader_verbose = 1; +#else + int dylibloader_verbose = 0; +#endif + use_udev = initialize_libudev(dylibloader_verbose) == 0; + if (use_udev) { + print_verbose("JoypadLinux: udev enabled and loaded successfully."); + } else { + print_verbose("JoypadLinux: udev enabled, but couldn't be loaded. Falling back to /dev/input to detect joypads."); + } +#else + print_verbose("JoypadLinux: udev disabled, parsing /dev/input to detect joypads."); +#endif input = in; - joy_thread = Thread::create(joy_thread_func, this); + joy_thread.start(joy_thread_func, this); } JoypadLinux::~JoypadLinux() { - exit_udev = true; - Thread::wait_to_finish(joy_thread); - memdelete(joy_thread); + exit_monitor.set(); + joy_thread.wait_to_finish(); close_joypad(); } @@ -92,11 +106,20 @@ void JoypadLinux::joy_thread_func(void *p_user) { void JoypadLinux::run_joypad_thread() { #ifdef UDEV_ENABLED - udev *_udev = udev_new(); - ERR_FAIL_COND(!_udev); - enumerate_joypads(_udev); - monitor_joypads(_udev); - udev_unref(_udev); + if (use_udev) { + udev *_udev = udev_new(); + if (!_udev) { + use_udev = false; + ERR_PRINT("Failed getting an udev context, falling back to parsing /dev/input."); + monitor_joypads(); + } else { + enumerate_joypads(_udev); + monitor_joypads(_udev); + udev_unref(_udev); + } + } else { + monitor_joypads(); + } #else monitor_joypads(); #endif @@ -137,7 +160,7 @@ void JoypadLinux::monitor_joypads(udev *p_udev) { udev_monitor_enable_receiving(mon); int fd = udev_monitor_get_fd(mon); - while (!exit_udev) { + while (!exit_monitor.is_set()) { fd_set fds; struct timeval tv; int ret; @@ -179,17 +202,27 @@ void JoypadLinux::monitor_joypads(udev *p_udev) { #endif void JoypadLinux::monitor_joypads() { - while (!exit_udev) { + while (!exit_monitor.is_set()) { { MutexLock lock(joy_mutex); - for (int i = 0; i < 32; i++) { + DIR *input_directory; + input_directory = opendir("/dev/input"); + if (input_directory) { + struct dirent *current; char fname[64]; - sprintf(fname, "/dev/input/event%d", i); - if (attached_devices.find(fname) == -1) { - open_joypad(fname); + + while ((current = readdir(input_directory)) != NULL) { + if (strncmp(current->d_name, "event", 5) != 0) { + continue; + } + sprintf(fname, "/dev/input/%.*s", 16, current->d_name); + if (attached_devices.find(fname) == -1) { + open_joypad(fname); + } } } + closedir(input_directory); } usleep(1000000); // 1s } |