SDL_evdev.c
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/*
Simple DirectMedia Layer
Copyright (C) 1997-2016 Sam Lantinga <slouken@libsdl.org>
This software is provided 'as-is', without any express or implied
warranty. In no event will the authors be held liable for any damages
arising from the use of this software.
Permission is granted to anyone to use this software for any purpose,
including commercial applications, and to alter it and redistribute it
freely, subject to the following restrictions:
1. The origin of this software must not be misrepresented; you must not
claim that you wrote the original software. If you use this software
in a product, an acknowledgment in the product documentation would be
appreciated but is not required.
2. Altered source versions must be plainly marked as such, and must not be
misrepresented as being the original software.
3. This notice may not be removed or altered from any source distribution.
*/
#include "../../SDL_internal.h"
#ifdef SDL_INPUT_LINUXEV
/* This is based on the linux joystick driver */
/* References: https://www.kernel.org/doc/Documentation/input/input.txt
* https://www.kernel.org/doc/Documentation/input/event-codes.txt
* /usr/include/linux/input.h
* The evtest application is also useful to debug the protocol
*/
#include "SDL_evdev.h"
#define _THIS SDL_EVDEV_PrivateData *_this
static _THIS = NULL;
#include <sys/stat.h>
#include <unistd.h>
#include <fcntl.h>
#include <sys/ioctl.h>
#include <limits.h> /* For the definition of PATH_MAX */
#include <linux/input.h>
#ifdef SDL_INPUT_LINUXKD
#include <linux/kd.h>
#include <linux/keyboard.h>
#endif
/* We need this to prevent keystrokes from appear in the console */
#ifndef KDSKBMUTE
#define KDSKBMUTE 0x4B51
#endif
#ifndef KDSKBMODE
#define KDSKBMODE 0x4B45
#endif
#ifndef K_OFF
#define K_OFF 0x04
#endif
#include "SDL.h"
#include "SDL_assert.h"
#include "SDL_endian.h"
#include "../../core/linux/SDL_udev.h"
#include "SDL_scancode.h"
#include "../../events/SDL_events_c.h"
/* This isn't defined in older Linux kernel headers */
#ifndef SYN_DROPPED
#define SYN_DROPPED 3
#endif
static SDL_Scancode SDL_EVDEV_translate_keycode(int keycode);
static void SDL_EVDEV_sync_device(SDL_evdevlist_item *item);
static int SDL_EVDEV_device_removed(const char *devpath);
#if SDL_USE_LIBUDEV
static int SDL_EVDEV_device_added(const char *devpath);
void SDL_EVDEV_udev_callback(SDL_UDEV_deviceevent udev_type, int udev_class, const char *devpath);
#endif /* SDL_USE_LIBUDEV */
static SDL_Scancode EVDEV_Keycodes[] = {
SDL_SCANCODE_UNKNOWN, /* KEY_RESERVED 0 */
SDL_SCANCODE_ESCAPE, /* KEY_ESC 1 */
SDL_SCANCODE_1, /* KEY_1 2 */
SDL_SCANCODE_2, /* KEY_2 3 */
SDL_SCANCODE_3, /* KEY_3 4 */
SDL_SCANCODE_4, /* KEY_4 5 */
SDL_SCANCODE_5, /* KEY_5 6 */
SDL_SCANCODE_6, /* KEY_6 7 */
SDL_SCANCODE_7, /* KEY_7 8 */
SDL_SCANCODE_8, /* KEY_8 9 */
SDL_SCANCODE_9, /* KEY_9 10 */
SDL_SCANCODE_0, /* KEY_0 11 */
SDL_SCANCODE_MINUS, /* KEY_MINUS 12 */
SDL_SCANCODE_EQUALS, /* KEY_EQUAL 13 */
SDL_SCANCODE_BACKSPACE, /* KEY_BACKSPACE 14 */
SDL_SCANCODE_TAB, /* KEY_TAB 15 */
SDL_SCANCODE_Q, /* KEY_Q 16 */
SDL_SCANCODE_W, /* KEY_W 17 */
SDL_SCANCODE_E, /* KEY_E 18 */
SDL_SCANCODE_R, /* KEY_R 19 */
SDL_SCANCODE_T, /* KEY_T 20 */
SDL_SCANCODE_Y, /* KEY_Y 21 */
SDL_SCANCODE_U, /* KEY_U 22 */
SDL_SCANCODE_I, /* KEY_I 23 */
SDL_SCANCODE_O, /* KEY_O 24 */
SDL_SCANCODE_P, /* KEY_P 25 */
SDL_SCANCODE_LEFTBRACKET, /* KEY_LEFTBRACE 26 */
SDL_SCANCODE_RIGHTBRACKET, /* KEY_RIGHTBRACE 27 */
SDL_SCANCODE_RETURN, /* KEY_ENTER 28 */
SDL_SCANCODE_LCTRL, /* KEY_LEFTCTRL 29 */
SDL_SCANCODE_A, /* KEY_A 30 */
SDL_SCANCODE_S, /* KEY_S 31 */
SDL_SCANCODE_D, /* KEY_D 32 */
SDL_SCANCODE_F, /* KEY_F 33 */
SDL_SCANCODE_G, /* KEY_G 34 */
SDL_SCANCODE_H, /* KEY_H 35 */
SDL_SCANCODE_J, /* KEY_J 36 */
SDL_SCANCODE_K, /* KEY_K 37 */
SDL_SCANCODE_L, /* KEY_L 38 */
SDL_SCANCODE_SEMICOLON, /* KEY_SEMICOLON 39 */
SDL_SCANCODE_APOSTROPHE, /* KEY_APOSTROPHE 40 */
SDL_SCANCODE_GRAVE, /* KEY_GRAVE 41 */
SDL_SCANCODE_LSHIFT, /* KEY_LEFTSHIFT 42 */
SDL_SCANCODE_BACKSLASH, /* KEY_BACKSLASH 43 */
SDL_SCANCODE_Z, /* KEY_Z 44 */
SDL_SCANCODE_X, /* KEY_X 45 */
SDL_SCANCODE_C, /* KEY_C 46 */
SDL_SCANCODE_V, /* KEY_V 47 */
SDL_SCANCODE_B, /* KEY_B 48 */
SDL_SCANCODE_N, /* KEY_N 49 */
SDL_SCANCODE_M, /* KEY_M 50 */
SDL_SCANCODE_COMMA, /* KEY_COMMA 51 */
SDL_SCANCODE_PERIOD, /* KEY_DOT 52 */
SDL_SCANCODE_SLASH, /* KEY_SLASH 53 */
SDL_SCANCODE_RSHIFT, /* KEY_RIGHTSHIFT 54 */
SDL_SCANCODE_KP_MULTIPLY, /* KEY_KPASTERISK 55 */
SDL_SCANCODE_LALT, /* KEY_LEFTALT 56 */
SDL_SCANCODE_SPACE, /* KEY_SPACE 57 */
SDL_SCANCODE_CAPSLOCK, /* KEY_CAPSLOCK 58 */
SDL_SCANCODE_F1, /* KEY_F1 59 */
SDL_SCANCODE_F2, /* KEY_F2 60 */
SDL_SCANCODE_F3, /* KEY_F3 61 */
SDL_SCANCODE_F4, /* KEY_F4 62 */
SDL_SCANCODE_F5, /* KEY_F5 63 */
SDL_SCANCODE_F6, /* KEY_F6 64 */
SDL_SCANCODE_F7, /* KEY_F7 65 */
SDL_SCANCODE_F8, /* KEY_F8 66 */
SDL_SCANCODE_F9, /* KEY_F9 67 */
SDL_SCANCODE_F10, /* KEY_F10 68 */
SDL_SCANCODE_NUMLOCKCLEAR, /* KEY_NUMLOCK 69 */
SDL_SCANCODE_SCROLLLOCK, /* KEY_SCROLLLOCK 70 */
SDL_SCANCODE_KP_7, /* KEY_KP7 71 */
SDL_SCANCODE_KP_8, /* KEY_KP8 72 */
SDL_SCANCODE_KP_9, /* KEY_KP9 73 */
SDL_SCANCODE_KP_MINUS, /* KEY_KPMINUS 74 */
SDL_SCANCODE_KP_4, /* KEY_KP4 75 */
SDL_SCANCODE_KP_5, /* KEY_KP5 76 */
SDL_SCANCODE_KP_6, /* KEY_KP6 77 */
SDL_SCANCODE_KP_PLUS, /* KEY_KPPLUS 78 */
SDL_SCANCODE_KP_1, /* KEY_KP1 79 */
SDL_SCANCODE_KP_2, /* KEY_KP2 80 */
SDL_SCANCODE_KP_3, /* KEY_KP3 81 */
SDL_SCANCODE_KP_0, /* KEY_KP0 82 */
SDL_SCANCODE_KP_PERIOD, /* KEY_KPDOT 83 */
SDL_SCANCODE_UNKNOWN, /* 84 */
SDL_SCANCODE_LANG5, /* KEY_ZENKAKUHANKAKU 85 */
SDL_SCANCODE_UNKNOWN, /* KEY_102ND 86 */
SDL_SCANCODE_F11, /* KEY_F11 87 */
SDL_SCANCODE_F12, /* KEY_F12 88 */
SDL_SCANCODE_UNKNOWN, /* KEY_RO 89 */
SDL_SCANCODE_LANG3, /* KEY_KATAKANA 90 */
SDL_SCANCODE_LANG4, /* KEY_HIRAGANA 91 */
SDL_SCANCODE_UNKNOWN, /* KEY_HENKAN 92 */
SDL_SCANCODE_LANG3, /* KEY_KATAKANAHIRAGANA 93 */
SDL_SCANCODE_UNKNOWN, /* KEY_MUHENKAN 94 */
SDL_SCANCODE_KP_COMMA, /* KEY_KPJPCOMMA 95 */
SDL_SCANCODE_KP_ENTER, /* KEY_KPENTER 96 */
SDL_SCANCODE_RCTRL, /* KEY_RIGHTCTRL 97 */
SDL_SCANCODE_KP_DIVIDE, /* KEY_KPSLASH 98 */
SDL_SCANCODE_SYSREQ, /* KEY_SYSRQ 99 */
SDL_SCANCODE_RALT, /* KEY_RIGHTALT 100 */
SDL_SCANCODE_UNKNOWN, /* KEY_LINEFEED 101 */
SDL_SCANCODE_HOME, /* KEY_HOME 102 */
SDL_SCANCODE_UP, /* KEY_UP 103 */
SDL_SCANCODE_PAGEUP, /* KEY_PAGEUP 104 */
SDL_SCANCODE_LEFT, /* KEY_LEFT 105 */
SDL_SCANCODE_RIGHT, /* KEY_RIGHT 106 */
SDL_SCANCODE_END, /* KEY_END 107 */
SDL_SCANCODE_DOWN, /* KEY_DOWN 108 */
SDL_SCANCODE_PAGEDOWN, /* KEY_PAGEDOWN 109 */
SDL_SCANCODE_INSERT, /* KEY_INSERT 110 */
SDL_SCANCODE_DELETE, /* KEY_DELETE 111 */
SDL_SCANCODE_UNKNOWN, /* KEY_MACRO 112 */
SDL_SCANCODE_MUTE, /* KEY_MUTE 113 */
SDL_SCANCODE_VOLUMEDOWN, /* KEY_VOLUMEDOWN 114 */
SDL_SCANCODE_VOLUMEUP, /* KEY_VOLUMEUP 115 */
SDL_SCANCODE_POWER, /* KEY_POWER 116 SC System Power Down */
SDL_SCANCODE_KP_EQUALS, /* KEY_KPEQUAL 117 */
SDL_SCANCODE_KP_MINUS, /* KEY_KPPLUSMINUS 118 */
SDL_SCANCODE_PAUSE, /* KEY_PAUSE 119 */
SDL_SCANCODE_UNKNOWN, /* KEY_SCALE 120 AL Compiz Scale (Expose) */
SDL_SCANCODE_KP_COMMA, /* KEY_KPCOMMA 121 */
SDL_SCANCODE_LANG1, /* KEY_HANGEUL,KEY_HANGUEL 122 */
SDL_SCANCODE_LANG2, /* KEY_HANJA 123 */
SDL_SCANCODE_INTERNATIONAL3,/* KEY_YEN 124 */
SDL_SCANCODE_LGUI, /* KEY_LEFTMETA 125 */
SDL_SCANCODE_RGUI, /* KEY_RIGHTMETA 126 */
SDL_SCANCODE_APPLICATION, /* KEY_COMPOSE 127 */
SDL_SCANCODE_STOP, /* KEY_STOP 128 AC Stop */
SDL_SCANCODE_AGAIN, /* KEY_AGAIN 129 */
SDL_SCANCODE_UNKNOWN, /* KEY_PROPS 130 AC Properties */
SDL_SCANCODE_UNDO, /* KEY_UNDO 131 AC Undo */
SDL_SCANCODE_UNKNOWN, /* KEY_FRONT 132 */
SDL_SCANCODE_COPY, /* KEY_COPY 133 AC Copy */
SDL_SCANCODE_UNKNOWN, /* KEY_OPEN 134 AC Open */
SDL_SCANCODE_PASTE, /* KEY_PASTE 135 AC Paste */
SDL_SCANCODE_FIND, /* KEY_FIND 136 AC Search */
SDL_SCANCODE_CUT, /* KEY_CUT 137 AC Cut */
SDL_SCANCODE_HELP, /* KEY_HELP 138 AL Integrated Help Center */
SDL_SCANCODE_MENU, /* KEY_MENU 139 Menu (show menu) */
SDL_SCANCODE_CALCULATOR, /* KEY_CALC 140 AL Calculator */
SDL_SCANCODE_UNKNOWN, /* KEY_SETUP 141 */
SDL_SCANCODE_SLEEP, /* KEY_SLEEP 142 SC System Sleep */
SDL_SCANCODE_UNKNOWN, /* KEY_WAKEUP 143 System Wake Up */
SDL_SCANCODE_UNKNOWN, /* KEY_FILE 144 AL Local Machine Browser */
SDL_SCANCODE_UNKNOWN, /* KEY_SENDFILE 145 */
SDL_SCANCODE_UNKNOWN, /* KEY_DELETEFILE 146 */
SDL_SCANCODE_UNKNOWN, /* KEY_XFER 147 */
SDL_SCANCODE_APP1, /* KEY_PROG1 148 */
SDL_SCANCODE_APP1, /* KEY_PROG2 149 */
SDL_SCANCODE_WWW, /* KEY_WWW 150 AL Internet Browser */
SDL_SCANCODE_UNKNOWN, /* KEY_MSDOS 151 */
SDL_SCANCODE_UNKNOWN, /* KEY_COFFEE,KEY_SCREENLOCK 152 AL Terminal Lock/Screensaver */
SDL_SCANCODE_UNKNOWN, /* KEY_DIRECTION 153 */
SDL_SCANCODE_UNKNOWN, /* KEY_CYCLEWINDOWS 154 */
SDL_SCANCODE_MAIL, /* KEY_MAIL 155 */
SDL_SCANCODE_AC_BOOKMARKS, /* KEY_BOOKMARKS 156 AC Bookmarks */
SDL_SCANCODE_COMPUTER, /* KEY_COMPUTER 157 */
SDL_SCANCODE_AC_BACK, /* KEY_BACK 158 AC Back */
SDL_SCANCODE_AC_FORWARD, /* KEY_FORWARD 159 AC Forward */
SDL_SCANCODE_UNKNOWN, /* KEY_CLOSECD 160 */
SDL_SCANCODE_EJECT, /* KEY_EJECTCD 161 */
SDL_SCANCODE_UNKNOWN, /* KEY_EJECTCLOSECD 162 */
SDL_SCANCODE_AUDIONEXT, /* KEY_NEXTSONG 163 */
SDL_SCANCODE_AUDIOPLAY, /* KEY_PLAYPAUSE 164 */
SDL_SCANCODE_AUDIOPREV, /* KEY_PREVIOUSSONG 165 */
SDL_SCANCODE_AUDIOSTOP, /* KEY_STOPCD 166 */
SDL_SCANCODE_UNKNOWN, /* KEY_RECORD 167 */
SDL_SCANCODE_UNKNOWN, /* KEY_REWIND 168 */
SDL_SCANCODE_UNKNOWN, /* KEY_PHONE 169 Media Select Telephone */
SDL_SCANCODE_UNKNOWN, /* KEY_ISO 170 */
SDL_SCANCODE_UNKNOWN, /* KEY_CONFIG 171 AL Consumer Control Configuration */
SDL_SCANCODE_AC_HOME, /* KEY_HOMEPAGE 172 AC Home */
SDL_SCANCODE_AC_REFRESH, /* KEY_REFRESH 173 AC Refresh */
SDL_SCANCODE_UNKNOWN, /* KEY_EXIT 174 AC Exit */
SDL_SCANCODE_UNKNOWN, /* KEY_MOVE 175 */
SDL_SCANCODE_UNKNOWN, /* KEY_EDIT 176 */
SDL_SCANCODE_UNKNOWN, /* KEY_SCROLLUP 177 */
SDL_SCANCODE_UNKNOWN, /* KEY_SCROLLDOWN 178 */
SDL_SCANCODE_KP_LEFTPAREN, /* KEY_KPLEFTPAREN 179 */
SDL_SCANCODE_KP_RIGHTPAREN, /* KEY_KPRIGHTPAREN 180 */
SDL_SCANCODE_UNKNOWN, /* KEY_NEW 181 AC New */
SDL_SCANCODE_AGAIN, /* KEY_REDO 182 AC Redo/Repeat */
SDL_SCANCODE_F13, /* KEY_F13 183 */
SDL_SCANCODE_F14, /* KEY_F14 184 */
SDL_SCANCODE_F15, /* KEY_F15 185 */
SDL_SCANCODE_F16, /* KEY_F16 186 */
SDL_SCANCODE_F17, /* KEY_F17 187 */
SDL_SCANCODE_F18, /* KEY_F18 188 */
SDL_SCANCODE_F19, /* KEY_F19 189 */
SDL_SCANCODE_F20, /* KEY_F20 190 */
SDL_SCANCODE_F21, /* KEY_F21 191 */
SDL_SCANCODE_F22, /* KEY_F22 192 */
SDL_SCANCODE_F23, /* KEY_F23 193 */
SDL_SCANCODE_F24, /* KEY_F24 194 */
SDL_SCANCODE_UNKNOWN, /* 195 */
SDL_SCANCODE_UNKNOWN, /* 196 */
SDL_SCANCODE_UNKNOWN, /* 197 */
SDL_SCANCODE_UNKNOWN, /* 198 */
SDL_SCANCODE_UNKNOWN, /* 199 */
SDL_SCANCODE_UNKNOWN, /* KEY_PLAYCD 200 */
SDL_SCANCODE_UNKNOWN, /* KEY_PAUSECD 201 */
SDL_SCANCODE_UNKNOWN, /* KEY_PROG3 202 */
SDL_SCANCODE_UNKNOWN, /* KEY_PROG4 203 */
SDL_SCANCODE_UNKNOWN, /* KEY_DASHBOARD 204 AL Dashboard */
SDL_SCANCODE_UNKNOWN, /* KEY_SUSPEND 205 */
SDL_SCANCODE_UNKNOWN, /* KEY_CLOSE 206 AC Close */
SDL_SCANCODE_UNKNOWN, /* KEY_PLAY 207 */
SDL_SCANCODE_UNKNOWN, /* KEY_FASTFORWARD 208 */
SDL_SCANCODE_UNKNOWN, /* KEY_BASSBOOST 209 */
SDL_SCANCODE_UNKNOWN, /* KEY_PRINT 210 AC Print */
SDL_SCANCODE_UNKNOWN, /* KEY_HP 211 */
SDL_SCANCODE_UNKNOWN, /* KEY_CAMERA 212 */
SDL_SCANCODE_UNKNOWN, /* KEY_SOUND 213 */
SDL_SCANCODE_UNKNOWN, /* KEY_QUESTION 214 */
SDL_SCANCODE_UNKNOWN, /* KEY_EMAIL 215 */
SDL_SCANCODE_UNKNOWN, /* KEY_CHAT 216 */
SDL_SCANCODE_UNKNOWN, /* KEY_SEARCH 217 */
SDL_SCANCODE_UNKNOWN, /* KEY_CONNECT 218 */
SDL_SCANCODE_UNKNOWN, /* KEY_FINANCE 219 AL Checkbook/Finance */
SDL_SCANCODE_UNKNOWN, /* KEY_SPORT 220 */
SDL_SCANCODE_UNKNOWN, /* KEY_SHOP 221 */
SDL_SCANCODE_UNKNOWN, /* KEY_ALTERASE 222 */
SDL_SCANCODE_UNKNOWN, /* KEY_CANCEL 223 AC Cancel */
SDL_SCANCODE_UNKNOWN, /* KEY_BRIGHTNESSDOWN 224 */
SDL_SCANCODE_UNKNOWN, /* KEY_BRIGHTNESSUP 225 */
SDL_SCANCODE_UNKNOWN, /* KEY_MEDIA 226 */
SDL_SCANCODE_UNKNOWN, /* KEY_SWITCHVIDEOMODE 227 Cycle between available video outputs (Monitor/LCD/TV-out/etc) */
SDL_SCANCODE_UNKNOWN, /* KEY_KBDILLUMTOGGLE 228 */
SDL_SCANCODE_UNKNOWN, /* KEY_KBDILLUMDOWN 229 */
SDL_SCANCODE_UNKNOWN, /* KEY_KBDILLUMUP 230 */
SDL_SCANCODE_UNKNOWN, /* KEY_SEND 231 AC Send */
SDL_SCANCODE_UNKNOWN, /* KEY_REPLY 232 AC Reply */
SDL_SCANCODE_UNKNOWN, /* KEY_FORWARDMAIL 233 AC Forward Msg */
SDL_SCANCODE_UNKNOWN, /* KEY_SAVE 234 AC Save */
SDL_SCANCODE_UNKNOWN, /* KEY_DOCUMENTS 235 */
SDL_SCANCODE_UNKNOWN, /* KEY_BATTERY 236 */
SDL_SCANCODE_UNKNOWN, /* KEY_BLUETOOTH 237 */
SDL_SCANCODE_UNKNOWN, /* KEY_WLAN 238 */
SDL_SCANCODE_UNKNOWN, /* KEY_UWB 239 */
SDL_SCANCODE_UNKNOWN, /* KEY_UNKNOWN 240 */
SDL_SCANCODE_UNKNOWN, /* KEY_VIDEO_NEXT 241 drive next video source */
SDL_SCANCODE_UNKNOWN, /* KEY_VIDEO_PREV 242 drive previous video source */
SDL_SCANCODE_UNKNOWN, /* KEY_BRIGHTNESS_CYCLE 243 brightness up, after max is min */
SDL_SCANCODE_UNKNOWN, /* KEY_BRIGHTNESS_ZERO 244 brightness off, use ambient */
SDL_SCANCODE_UNKNOWN, /* KEY_DISPLAY_OFF 245 display device to off state */
SDL_SCANCODE_UNKNOWN, /* KEY_WIMAX 246 */
SDL_SCANCODE_UNKNOWN, /* KEY_RFKILL 247 Key that controls all radios */
SDL_SCANCODE_UNKNOWN, /* KEY_MICMUTE 248 Mute / unmute the microphone */
};
static Uint8 EVDEV_MouseButtons[] = {
SDL_BUTTON_LEFT, /* BTN_LEFT 0x110 */
SDL_BUTTON_RIGHT, /* BTN_RIGHT 0x111 */
SDL_BUTTON_MIDDLE, /* BTN_MIDDLE 0x112 */
SDL_BUTTON_X1, /* BTN_SIDE 0x113 */
SDL_BUTTON_X2, /* BTN_EXTRA 0x114 */
SDL_BUTTON_X2 + 1, /* BTN_FORWARD 0x115 */
SDL_BUTTON_X2 + 2, /* BTN_BACK 0x116 */
SDL_BUTTON_X2 + 3 /* BTN_TASK 0x117 */
};
static const char* EVDEV_consoles[] = {
"/proc/self/fd/0",
"/dev/tty",
"/dev/tty0",
"/dev/tty1",
"/dev/tty2",
"/dev/tty3",
"/dev/tty4",
"/dev/tty5",
"/dev/tty6",
"/dev/vc/0",
"/dev/console"
};
#define IS_CONSOLE(fd) isatty (fd) && ioctl(fd, KDGKBTYPE, &arg) == 0 && ((arg == KB_101) || (arg == KB_84))
static int SDL_EVDEV_get_console_fd(void)
{
int fd, i;
char arg = 0;
/* Try a few consoles to see which one we have read access to */
for(i = 0; i < SDL_arraysize(EVDEV_consoles); i++) {
fd = open(EVDEV_consoles[i], O_RDONLY);
if (fd >= 0) {
if (IS_CONSOLE(fd)) return fd;
close(fd);
}
}
/* Try stdin, stdout, stderr */
for(fd = 0; fd < 3; fd++) {
if (IS_CONSOLE(fd)) return fd;
}
/* We won't be able to send SDL_TEXTINPUT events */
return -1;
}
/* Prevent keystrokes from reaching the tty */
static int SDL_EVDEV_mute_keyboard(int tty, int *kb_mode)
{
char arg;
*kb_mode = 0; /* FIXME: Is this a sane default in case KDGKBMODE fails? */
if (!IS_CONSOLE(tty)) {
return SDL_SetError("Tried to mute an invalid tty");
}
ioctl(tty, KDGKBMODE, kb_mode); /* It's not fatal if this fails */
if (ioctl(tty, KDSKBMUTE, 1) && ioctl(tty, KDSKBMODE, K_OFF)) {
return SDL_SetError("EVDEV: Failed muting keyboard");
}
return 0;
}
/* Restore the keyboard mode for given tty */
static void SDL_EVDEV_unmute_keyboard(int tty, int kb_mode)
{
if (ioctl(tty, KDSKBMUTE, 0) && ioctl(tty, KDSKBMODE, kb_mode)) {
SDL_Log("EVDEV: Failed restoring keyboard mode");
}
}
/* Read /sys/class/tty/tty0/active and open the tty */
static int SDL_EVDEV_get_active_tty()
{
int fd, len;
char ttyname[NAME_MAX + 1];
char ttypath[PATH_MAX+1] = "/dev/";
char arg;
fd = open("/sys/class/tty/tty0/active", O_RDONLY);
if (fd < 0) {
return SDL_SetError("Could not determine which tty is active");
}
len = read(fd, ttyname, NAME_MAX);
close(fd);
if (len <= 0) {
return SDL_SetError("Could not read which tty is active");
}
if (ttyname[len-1] == '\n') {
ttyname[len-1] = '\0';
}
else {
ttyname[len] = '\0';
}
SDL_strlcat(ttypath, ttyname, PATH_MAX);
fd = open(ttypath, O_RDWR | O_NOCTTY);
if (fd < 0) {
return SDL_SetError("Could not open tty: %s", ttypath);
}
if (!IS_CONSOLE(fd)) {
close(fd);
return SDL_SetError("Invalid tty obtained: %s", ttypath);
}
return fd;
}
int
SDL_EVDEV_Init(void)
{
int retval = 0;
if (_this == NULL) {
_this = (SDL_EVDEV_PrivateData *) SDL_calloc(1, sizeof(*_this));
if(_this == NULL) {
return SDL_OutOfMemory();
}
#if SDL_USE_LIBUDEV
if (SDL_UDEV_Init() < 0) {
SDL_free(_this);
_this = NULL;
return -1;
}
/* Set up the udev callback */
if (SDL_UDEV_AddCallback(SDL_EVDEV_udev_callback) < 0) {
SDL_EVDEV_Quit();
return -1;
}
/* Force a scan to build the initial device list */
SDL_UDEV_Scan();
#else
/* TODO: Scan the devices manually, like a caveman */
#endif /* SDL_USE_LIBUDEV */
/* We need a physical terminal (not PTS) to be able to translate key code to symbols via the kernel tables */
_this->console_fd = SDL_EVDEV_get_console_fd();
/* Mute the keyboard so keystrokes only generate evdev events and do not leak through to the console */
_this->tty = STDIN_FILENO;
if (SDL_EVDEV_mute_keyboard(_this->tty, &_this->kb_mode) < 0) {
/* stdin is not a tty, probably we were launched remotely, so we try to disable the active tty */
_this->tty = SDL_EVDEV_get_active_tty();
if (_this->tty >= 0) {
if (SDL_EVDEV_mute_keyboard(_this->tty, &_this->kb_mode) < 0) {
close(_this->tty);
_this->tty = -1;
}
}
}
}
_this->ref_count += 1;
return retval;
}
void
SDL_EVDEV_Quit(void)
{
if (_this == NULL) {
return;
}
_this->ref_count -= 1;
if (_this->ref_count < 1) {
#if SDL_USE_LIBUDEV
SDL_UDEV_DelCallback(SDL_EVDEV_udev_callback);
SDL_UDEV_Quit();
#endif /* SDL_USE_LIBUDEV */
if (_this->console_fd >= 0) {
close(_this->console_fd);
}
if (_this->tty >= 0) {
SDL_EVDEV_unmute_keyboard(_this->tty, _this->kb_mode);
close(_this->tty);
}
/* Remove existing devices */
while(_this->first != NULL) {
SDL_EVDEV_device_removed(_this->first->path);
}
SDL_assert(_this->first == NULL);
SDL_assert(_this->last == NULL);
SDL_assert(_this->numdevices == 0);
SDL_free(_this);
_this = NULL;
}
}
#if SDL_USE_LIBUDEV
void SDL_EVDEV_udev_callback(SDL_UDEV_deviceevent udev_type, int udev_class, const char *devpath)
{
if (devpath == NULL) {
return;
}
switch(udev_type) {
case SDL_UDEV_DEVICEADDED:
if (!(udev_class & (SDL_UDEV_DEVICE_MOUSE|SDL_UDEV_DEVICE_KEYBOARD))) {
return;
}
SDL_EVDEV_device_added(devpath);
break;
case SDL_UDEV_DEVICEREMOVED:
SDL_EVDEV_device_removed(devpath);
break;
default:
break;
}
}
#endif /* SDL_USE_LIBUDEV */
void
SDL_EVDEV_Poll(void)
{
struct input_event events[32];
int i, len;
SDL_evdevlist_item *item;
SDL_Scancode scan_code;
int mouse_button;
SDL_Mouse *mouse;
#ifdef SDL_INPUT_LINUXKD
Uint16 modstate;
struct kbentry kbe;
static char keysym[8];
char *end;
Uint32 kval;
#endif
if (!_this) {
return;
}
#if SDL_USE_LIBUDEV
SDL_UDEV_Poll();
#endif
mouse = SDL_GetMouse();
for (item = _this->first; item != NULL; item = item->next) {
while ((len = read(item->fd, events, (sizeof events))) > 0) {
len /= sizeof(events[0]);
for (i = 0; i < len; ++i) {
switch (events[i].type) {
case EV_KEY:
if (events[i].code >= BTN_MOUSE && events[i].code < BTN_MOUSE + SDL_arraysize(EVDEV_MouseButtons)) {
mouse_button = events[i].code - BTN_MOUSE;
if (events[i].value == 0) {
SDL_SendMouseButton(mouse->focus, mouse->mouseID, SDL_RELEASED, EVDEV_MouseButtons[mouse_button]);
} else if (events[i].value == 1) {
SDL_SendMouseButton(mouse->focus, mouse->mouseID, SDL_PRESSED, EVDEV_MouseButtons[mouse_button]);
}
break;
}
/* Probably keyboard */
scan_code = SDL_EVDEV_translate_keycode(events[i].code);
if (scan_code != SDL_SCANCODE_UNKNOWN) {
if (events[i].value == 0) {
SDL_SendKeyboardKey(SDL_RELEASED, scan_code);
} else if (events[i].value == 1 || events[i].value == 2 /* Key repeated */) {
SDL_SendKeyboardKey(SDL_PRESSED, scan_code);
#ifdef SDL_INPUT_LINUXKD
if (_this->console_fd >= 0) {
kbe.kb_index = events[i].code;
/* Convert the key to an UTF-8 char */
/* Ref: http://www.linuxjournal.com/article/2783 */
modstate = SDL_GetModState();
kbe.kb_table = 0;
/* Ref: http://graphics.stanford.edu/~seander/bithacks.html#ConditionalSetOrClearBitsWithoutBranching */
kbe.kb_table |= -((modstate & KMOD_LCTRL) != 0) & (1 << KG_CTRLL | 1 << KG_CTRL);
kbe.kb_table |= -((modstate & KMOD_RCTRL) != 0) & (1 << KG_CTRLR | 1 << KG_CTRL);
kbe.kb_table |= -((modstate & KMOD_LSHIFT) != 0) & (1 << KG_SHIFTL | 1 << KG_SHIFT);
kbe.kb_table |= -((modstate & KMOD_RSHIFT) != 0) & (1 << KG_SHIFTR | 1 << KG_SHIFT);
kbe.kb_table |= -((modstate & KMOD_LALT) != 0) & (1 << KG_ALT);
kbe.kb_table |= -((modstate & KMOD_RALT) != 0) & (1 << KG_ALTGR);
if (ioctl(_this->console_fd, KDGKBENT, (unsigned long)&kbe) == 0 &&
((KTYP(kbe.kb_value) == KT_LATIN) || (KTYP(kbe.kb_value) == KT_ASCII) || (KTYP(kbe.kb_value) == KT_LETTER)))
{
kval = KVAL(kbe.kb_value);
/* While there's a KG_CAPSSHIFT symbol, it's not useful to build the table index with it
* because 1 << KG_CAPSSHIFT overflows the 8 bits of kb_table
* So, we do the CAPS LOCK logic here. Note that isalpha depends on the locale!
*/
if (modstate & KMOD_CAPS && isalpha(kval)) {
if (isupper(kval)) {
kval = tolower(kval);
} else {
kval = toupper(kval);
}
}
/* Convert to UTF-8 and send */
end = SDL_UCS4ToUTF8(kval, keysym);
*end = '\0';
SDL_SendKeyboardText(keysym);
}
}
#endif /* SDL_INPUT_LINUXKD */
}
}
break;
case EV_ABS:
switch(events[i].code) {
case ABS_X:
SDL_SendMouseMotion(mouse->focus, mouse->mouseID, SDL_FALSE, events[i].value, mouse->y);
break;
case ABS_Y:
SDL_SendMouseMotion(mouse->focus, mouse->mouseID, SDL_FALSE, mouse->x, events[i].value);
break;
default:
break;
}
break;
case EV_REL:
switch(events[i].code) {
case REL_X:
SDL_SendMouseMotion(mouse->focus, mouse->mouseID, SDL_TRUE, events[i].value, 0);
break;
case REL_Y:
SDL_SendMouseMotion(mouse->focus, mouse->mouseID, SDL_TRUE, 0, events[i].value);
break;
case REL_WHEEL:
SDL_SendMouseWheel(mouse->focus, mouse->mouseID, 0, events[i].value, SDL_MOUSEWHEEL_NORMAL);
break;
case REL_HWHEEL:
SDL_SendMouseWheel(mouse->focus, mouse->mouseID, events[i].value, 0, SDL_MOUSEWHEEL_NORMAL);
break;
default:
break;
}
break;
case EV_SYN:
switch (events[i].code) {
case SYN_DROPPED:
SDL_EVDEV_sync_device(item);
break;
default:
break;
}
break;
}
}
}
}
}
static SDL_Scancode
SDL_EVDEV_translate_keycode(int keycode)
{
SDL_Scancode scancode = SDL_SCANCODE_UNKNOWN;
if (keycode < SDL_arraysize(EVDEV_Keycodes)) {
scancode = EVDEV_Keycodes[keycode];
}
if (scancode == SDL_SCANCODE_UNKNOWN) {
SDL_Log("The key you just pressed is not recognized by SDL. To help get this fixed, please report this to the SDL mailing list <sdl@libsdl.org> EVDEV KeyCode %d \n", keycode);
}
return scancode;
}
static void
SDL_EVDEV_sync_device(SDL_evdevlist_item *item)
{
/* TODO: get full state of device and report whatever is required */
}
#if SDL_USE_LIBUDEV
static int
SDL_EVDEV_device_added(const char *devpath)
{
SDL_evdevlist_item *item;
/* Check to make sure it's not already in list. */
for (item = _this->first; item != NULL; item = item->next) {
if (SDL_strcmp(devpath, item->path) == 0) {
return -1; /* already have this one */
}
}
item = (SDL_evdevlist_item *) SDL_calloc(1, sizeof (SDL_evdevlist_item));
if (item == NULL) {
return SDL_OutOfMemory();
}
item->fd = open(devpath, O_RDONLY, 0);
if (item->fd < 0) {
SDL_free(item);
return SDL_SetError("Unable to open %s", devpath);
}
item->path = SDL_strdup(devpath);
if (item->path == NULL) {
close(item->fd);
SDL_free(item);
return SDL_OutOfMemory();
}
/* Non blocking read mode */
fcntl(item->fd, F_SETFL, O_NONBLOCK);
if (_this->last == NULL) {
_this->first = _this->last = item;
} else {
_this->last->next = item;
_this->last = item;
}
SDL_EVDEV_sync_device(item);
return _this->numdevices++;
}
#endif /* SDL_USE_LIBUDEV */
static int
SDL_EVDEV_device_removed(const char *devpath)
{
SDL_evdevlist_item *item;
SDL_evdevlist_item *prev = NULL;
for (item = _this->first; item != NULL; item = item->next) {
/* found it, remove it. */
if (SDL_strcmp(devpath, item->path) == 0) {
if (prev != NULL) {
prev->next = item->next;
} else {
SDL_assert(_this->first == item);
_this->first = item->next;
}
if (item == _this->last) {
_this->last = prev;
}
close(item->fd);
SDL_free(item->path);
SDL_free(item);
_this->numdevices--;
return 0;
}
prev = item;
}
return -1;
}
#endif /* SDL_INPUT_LINUXEV */
/* vi: set ts=4 sw=4 expandtab: */
SDL_SCANCODE_AUDIONEXT
Definition: SDL_scancode.h:351
SDL_SCANCODE_O
Definition: SDL_scancode.h:68
SDL_SCANCODE_F17
Definition: SDL_scancode.h:219
SDL_SCANCODE_WWW
Definition: SDL_scancode.h:357
SDL_SCANCODE_RETURN
Definition: SDL_scancode.h:92
SDL_SCANCODE_AC_BOOKMARKS
Definition: SDL_scancode.h:367
SDL_SCANCODE_LANG4
Definition: SDL_scancode.h:261
SDL_SCANCODE_F13
Definition: SDL_scancode.h:215
SDL_SCANCODE_F10
Definition: SDL_scancode.h:162
SDL_SCANCODE_K
Definition: SDL_scancode.h:64
SDL_SCANCODE_KP_ENTER
Definition: SDL_scancode.h:187
SDL_SCANCODE_5
Definition: SDL_scancode.h:85
SDL_Mouse::y
int y
Definition: SDL_mouse_c.h:79
SDL_GetMouse
SDL_Mouse * SDL_GetMouse(void)
Definition: SDL_mouse.c:66
SDL_SCANCODE_KP_PERIOD
Definition: SDL_scancode.h:198
KMOD_LCTRL
Definition: SDL_keycode.h:322
SDL_SCANCODE_UNDO
Definition: SDL_scancode.h:233
SDL_SCANCODE_INTERNATIONAL3
Definition: SDL_scancode.h:251
SDL_SCANCODE_3
Definition: SDL_scancode.h:83
SDL_SCANCODE_POWER
Definition: SDL_scancode.h:211
SDL_strlcat
#define SDL_strlcat
Definition: SDL_dynapi_overrides.h:402
SDL_SCANCODE_BACKSLASH
Definition: SDL_scancode.h:102
SDL_SCANCODE_HELP
Definition: SDL_scancode.h:228
SDL_SCANCODE_SLASH
Definition: SDL_scancode.h:149
Uint32
uint32_t Uint32
An unsigned 32-bit integer type.
Definition: SDL_stdinc.h:155
SDL_SCANCODE_U
Definition: SDL_scancode.h:74
SDL_SCANCODE_6
Definition: SDL_scancode.h:86
SDL_SCANCODE_PERIOD
Definition: SDL_scancode.h:148
SDL_SCANCODE_LEFT
Definition: SDL_scancode.h:177
SDL_SCANCODE_VOLUMEDOWN
Definition: SDL_scancode.h:240
KMOD_RCTRL
Definition: SDL_keycode.h:323
SDL_Mouse::focus
SDL_Window * focus
Definition: SDL_mouse_c.h:77
SDL_SCANCODE_AGAIN
Definition: SDL_scancode.h:232
SDL_SCANCODE_F7
Definition: SDL_scancode.h:159
KMOD_LSHIFT
Definition: SDL_keycode.h:320
SDL_SCANCODE_F15
Definition: SDL_scancode.h:217
SDL_SCANCODE_N
Definition: SDL_scancode.h:67
SDL_SCANCODE_LANG1
Definition: SDL_scancode.h:258
end
GLuint GLuint end
Definition: SDL_opengl.h:1564
SDL_SCANCODE_KP_8
Definition: SDL_scancode.h:195
SDL_SCANCODE_UP
Definition: SDL_scancode.h:179
SDL_SCANCODE_SCROLLLOCK
Definition: SDL_scancode.h:167
SDL_MOUSEWHEEL_NORMAL
Definition: SDL_mouse.h:68
SDL_BUTTON_RIGHT
#define SDL_BUTTON_RIGHT
Definition: SDL_mouse.h:282
SDL_SCANCODE_4
Definition: SDL_scancode.h:84
events
static SDL_Event events[EVENT_BUF_SIZE]
Definition: testgesture.c:36
SDL_SCANCODE_EQUALS
Definition: SDL_scancode.h:99
SDL_SCANCODE_RIGHT
Definition: SDL_scancode.h:176
SDL_SCANCODE_SEMICOLON
Definition: SDL_scancode.h:128
SDL_SCANCODE_7
Definition: SDL_scancode.h:87
SDL_SCANCODE_PAGEDOWN
Definition: SDL_scancode.h:175
SDL_SCANCODE_F3
Definition: SDL_scancode.h:155
SDL_SCANCODE_FIND
Definition: SDL_scancode.h:237
SDL_SCANCODE_KP_LEFTPAREN
Definition: SDL_scancode.h:287
SDL_BUTTON_X1
#define SDL_BUTTON_X1
Definition: SDL_mouse.h:283
SDL_SCANCODE_Z
Definition: SDL_scancode.h:79
SDL_SCANCODE_KP_5
Definition: SDL_scancode.h:192
SDL_SCANCODE_KP_RIGHTPAREN
Definition: SDL_scancode.h:288
SDL_SCANCODE_KP_EQUALS
Definition: SDL_scancode.h:214
SDL_SCANCODE_PASTE
Definition: SDL_scancode.h:236
SDL_SCANCODE_SLEEP
Definition: SDL_scancode.h:386
SDL_SCANCODE_TAB
Definition: SDL_scancode.h:95
SDL_SCANCODE_MUTE
Definition: SDL_scancode.h:238
SDL_SCANCODE_GRAVE
Definition: SDL_scancode.h:130
SDL_SCANCODE_F9
Definition: SDL_scancode.h:161
SDL_SCANCODE_CAPSLOCK
Definition: SDL_scancode.h:151
len
GLenum GLsizei len
Definition: SDL_opengl_glext.h:2926
SDL_SCANCODE_CALCULATOR
Definition: SDL_scancode.h:359
SDL_SCANCODE_I
Definition: SDL_scancode.h:62
SDL_SCANCODE_VOLUMEUP
Definition: SDL_scancode.h:239
SDL_Mouse::mouseID
SDL_MouseID mouseID
Definition: SDL_mouse_c.h:76
SDL_SCANCODE_F18
Definition: SDL_scancode.h:220
SDL_SCANCODE_F16
Definition: SDL_scancode.h:218
SDL_SCANCODE_KP_6
Definition: SDL_scancode.h:193
SDL_SCANCODE_F5
Definition: SDL_scancode.h:157
SDL_SCANCODE_LALT
Definition: SDL_scancode.h:330
SDL_SendKeyboardKey
int SDL_SendKeyboardKey(Uint8 state, SDL_Scancode scancode)
Definition: SDL_keyboard.c:661
SDL_SCANCODE_W
Definition: SDL_scancode.h:76
SDL_SCANCODE_9
Definition: SDL_scancode.h:89
_this
static SDL_VideoDevice * _this
Definition: SDL_video.c:114
SDL_SCANCODE_V
Definition: SDL_scancode.h:75
SDL_SCANCODE_COMPUTER
Definition: SDL_scancode.h:360
retval
SDL_bool retval
Definition: testgamecontroller.c:65
SDL_SCANCODE_STOP
Definition: SDL_scancode.h:231
SDL_SCANCODE_KP_1
Definition: SDL_scancode.h:188
SDL_Log
#define SDL_Log
Definition: SDL_dynapi_overrides.h:37
SDL_SCANCODE_P
Definition: SDL_scancode.h:69
SDL_SCANCODE_F21
Definition: SDL_scancode.h:223
type
GLuint GLuint GLsizei GLenum type
Definition: SDL_opengl.h:1564
SDL_SCANCODE_F24
Definition: SDL_scancode.h:226
SDL_SCANCODE_H
Definition: SDL_scancode.h:61
SDL_calloc
void * SDL_calloc(size_t nmemb, size_t size)
SDL_SCANCODE_A
Definition: SDL_scancode.h:54
SDL_SCANCODE_RIGHTBRACKET
Definition: SDL_scancode.h:101
SDL_SCANCODE_LANG5
Definition: SDL_scancode.h:262
SDL_SCANCODE_F14
Definition: SDL_scancode.h:216
SDL_SCANCODE_ESCAPE
Definition: SDL_scancode.h:93
SDL_SCANCODE_SPACE
Definition: SDL_scancode.h:96
SDL_SendMouseMotion
int SDL_SendMouseMotion(SDL_Window *window, SDL_MouseID mouseID, int relative, int x, int y)
Definition: SDL_mouse.c:188
SDL_SCANCODE_MINUS
Definition: SDL_scancode.h:98
SDL_BUTTON_LEFT
#define SDL_BUTTON_LEFT
Definition: SDL_mouse.h:280
SDL_SCANCODE_MAIL
Definition: SDL_scancode.h:358
SDL_SCANCODE_PAUSE
Definition: SDL_scancode.h:168
SDL_SCANCODE_KP_MULTIPLY
Definition: SDL_scancode.h:184
value
GLsizei const GLfloat * value
Definition: SDL_opengl_glext.h:698
SDL_SCANCODE_S
Definition: SDL_scancode.h:72
SDL_SCANCODE_0
Definition: SDL_scancode.h:90
SDL_SCANCODE_R
Definition: SDL_scancode.h:71
SDL_SCANCODE_KP_9
Definition: SDL_scancode.h:196
_THIS
#define _THIS
Definition: SDL_alsa_audio.h:31
Uint8
uint8_t Uint8
An unsigned 8-bit integer type.
Definition: SDL_stdinc.h:139
SDL_SendKeyboardText
int SDL_SendKeyboardText(const char *text)
Definition: SDL_keyboard.c:774
SDL_SCANCODE_F20
Definition: SDL_scancode.h:222
SDL_SCANCODE_AC_BACK
Definition: SDL_scancode.h:363
SDL_SCANCODE_E
Definition: SDL_scancode.h:58
SDL_free
void SDL_free(void *mem)
KMOD_CAPS
Definition: SDL_keycode.h:329
SDL_SCANCODE_C
Definition: SDL_scancode.h:56
SDL_SCANCODE_LANG2
Definition: SDL_scancode.h:259
SDL_SCANCODE_KP_7
Definition: SDL_scancode.h:194
SDL_SCANCODE_T
Definition: SDL_scancode.h:73
SDL_SCANCODE_SYSREQ
Definition: SDL_scancode.h:269
SDL_scancode.h
SDL_SCANCODE_KP_PLUS
Definition: SDL_scancode.h:186
SDL_SCANCODE_KP_4
Definition: SDL_scancode.h:191
SDL_SCANCODE_KP_0
Definition: SDL_scancode.h:197
SDL_SCANCODE_F11
Definition: SDL_scancode.h:163
SDL_SCANCODE_APP1
Definition: SDL_scancode.h:388
SDL_BUTTON_MIDDLE
#define SDL_BUTTON_MIDDLE
Definition: SDL_mouse.h:281
SDL_SCANCODE_LCTRL
Definition: SDL_scancode.h:328
SDL_SCANCODE_Y
Definition: SDL_scancode.h:78
SDL_SCANCODE_KP_DIVIDE
Definition: SDL_scancode.h:183
SDL_SCANCODE_CUT
Definition: SDL_scancode.h:234
SDL_TRUE
Definition: SDL_stdinc.h:129
SDL_SCANCODE_LSHIFT
Definition: SDL_scancode.h:329
SDL_SCANCODE_BACKSPACE
Definition: SDL_scancode.h:94
SDL_SCANCODE_LEFTBRACKET
Definition: SDL_scancode.h:100
SDL_SCANCODE_COPY
Definition: SDL_scancode.h:235
SDL_endian.h
SDL_Mouse::x
int x
Definition: SDL_mouse_c.h:78
SDL_SCANCODE_F
Definition: SDL_scancode.h:59
i
return Display return Display Bool Bool int int int return Display XEvent Bool(*) XPointer return Display return Display Drawable _Xconst char unsigned int unsigned int return Display Pixmap Pixmap XColor XColor unsigned int unsigned int return Display _Xconst char char int char return Display Visual unsigned int int int char unsigned int unsigned int in i)
Definition: SDL_x11sym.h:42
SDL_assert
#define SDL_assert(condition)
Definition: SDL_assert.h:167
NULL
#define NULL
Definition: begin_code.h:143
SDL_OutOfMemory
#define SDL_OutOfMemory()
Definition: SDL_error.h:52
SDL_SCANCODE_EJECT
Definition: SDL_scancode.h:385
SDL_SCANCODE_X
Definition: SDL_scancode.h:77
SDL_SCANCODE_UNKNOWN
Definition: SDL_scancode.h:45
SDL_UCS4ToUTF8
char * SDL_UCS4ToUTF8(Uint32 ch, char *dst)
Definition: SDL_keyboard.c:512
SDL_SetError
#define SDL_SetError
Definition: SDL_dynapi_overrides.h:36
SDL_SCANCODE_KP_COMMA
Definition: SDL_scancode.h:245
SDL_SCANCODE_M
Definition: SDL_scancode.h:66
SDL_SCANCODE_NUMLOCKCLEAR
Definition: SDL_scancode.h:181
SDL_SCANCODE_LANG3
Definition: SDL_scancode.h:260
SDL_SCANCODE_DELETE
Definition: SDL_scancode.h:173
SDL_SCANCODE_F8
Definition: SDL_scancode.h:160
KMOD_LALT
Definition: SDL_keycode.h:324
SDL_SCANCODE_AUDIOSTOP
Definition: SDL_scancode.h:353
SDL_strdup
#define SDL_strdup
Definition: SDL_dynapi_overrides.h:403
SDL_SCANCODE_LGUI
Definition: SDL_scancode.h:331
SDL_SCANCODE_F23
Definition: SDL_scancode.h:225
SDL_SCANCODE_G
Definition: SDL_scancode.h:60
SDL_SCANCODE_1
Definition: SDL_scancode.h:81
SDL_SCANCODE_RGUI
Definition: SDL_scancode.h:335
SDL_SCANCODE_AC_REFRESH
Definition: SDL_scancode.h:366
SDL_FALSE
Definition: SDL_stdinc.h:128
SDL_SCANCODE_APPLICATION
Definition: SDL_scancode.h:210
KMOD_RALT
Definition: SDL_keycode.h:325
SDL_SCANCODE_F2
Definition: SDL_scancode.h:154
SDL_SCANCODE_COMMA
Definition: SDL_scancode.h:147
Uint16
uint16_t Uint16
An unsigned 16-bit integer type.
Definition: SDL_stdinc.h:147
SDL_evdev.h
SDL_SCANCODE_B
Definition: SDL_scancode.h:55
SDL_arraysize
#define SDL_arraysize(array)
Definition: SDL_stdinc.h:93
SDL_SCANCODE_PAGEUP
Definition: SDL_scancode.h:172
SDL_SCANCODE_INSERT
Definition: SDL_scancode.h:169
SDL_SendMouseWheel
int SDL_SendMouseWheel(SDL_Window *window, SDL_MouseID mouseID, int x, int y, SDL_MouseWheelDirection direction)
Definition: SDL_mouse.c:406
SDL_SCANCODE_DOWN
Definition: SDL_scancode.h:178
SDL_Mouse
Definition: SDL_mouse_c.h:43
SDL_SCANCODE_F1
Definition: SDL_scancode.h:153
SDL_SCANCODE_F6
Definition: SDL_scancode.h:158
SDL_SCANCODE_J
Definition: SDL_scancode.h:63
SDL_SCANCODE_2
Definition: SDL_scancode.h:82
SDL_SCANCODE_END
Definition: SDL_scancode.h:174
SDL_SCANCODE_AC_HOME
Definition: SDL_scancode.h:362
SDL_strcmp
#define SDL_strcmp
Definition: SDL_dynapi_overrides.h:423
SDL_SCANCODE_L
Definition: SDL_scancode.h:65
SDL_SCANCODE_APOSTROPHE
Definition: SDL_scancode.h:129
SDL_PRESSED
#define SDL_PRESSED
Definition: SDL_events.h:50
SDL_SCANCODE_D
Definition: SDL_scancode.h:57
SDL_SCANCODE_Q
Definition: SDL_scancode.h:70
SDL_SCANCODE_F12
Definition: SDL_scancode.h:164
SDL_BUTTON_X2
#define SDL_BUTTON_X2
Definition: SDL_mouse.h:284
SDL.h
SDL_RELEASED
#define SDL_RELEASED
Definition: SDL_events.h:49
SDL_SCANCODE_F19
Definition: SDL_scancode.h:221
SDL_SCANCODE_KP_3
Definition: SDL_scancode.h:190
SDL_SCANCODE_F4
Definition: SDL_scancode.h:156
KMOD_RSHIFT
Definition: SDL_keycode.h:321
SDL_GetModState
#define SDL_GetModState
Definition: SDL_dynapi_overrides.h:224
SDL_SendMouseButton
int SDL_SendMouseButton(SDL_Window *window, SDL_MouseID mouseID, Uint8 state, Uint8 button)
Definition: SDL_mouse.c:326
SDL_SCANCODE_AUDIOPLAY
Definition: SDL_scancode.h:354
SDL_SCANCODE_KP_2
Definition: SDL_scancode.h:189
SDL_SCANCODE_F22
Definition: SDL_scancode.h:224
SDL_Scancode
SDL_Scancode
The SDL keyboard scancode representation.
Definition: SDL_scancode.h:43
SDL_SCANCODE_RALT
Definition: SDL_scancode.h:334
SDL_SCANCODE_AUDIOPREV
Definition: SDL_scancode.h:352
SDL_SCANCODE_8
Definition: SDL_scancode.h:88
SDL_SCANCODE_AC_FORWARD
Definition: SDL_scancode.h:364
SDL_SCANCODE_RSHIFT
Definition: SDL_scancode.h:333
SDL_assert.h
SDL_SCANCODE_RCTRL
Definition: SDL_scancode.h:332
SDL_SCANCODE_KP_MINUS
Definition: SDL_scancode.h:185
SDL_SCANCODE_MENU
Definition: SDL_scancode.h:229
SDL_SCANCODE_HOME
Definition: SDL_scancode.h:171