device_query 4.0.1

A basic library for querying keyboard and mouse state on-demand without a window.
Documentation 
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/// A non-exhaustive list of keycodes from Linux. Only the ones that this library currently supports
/// is currently listed in this file; other keycodes will need to be added later as needed.
/// Reference: https://github.com/torvalds/linux/blob/master/include/uapi/linux/input-event-codes.h

pub const KEY_ESC: u16 = 1;
pub const KEY_1: u16 = 2;
pub const KEY_2: u16 = 3;
pub const KEY_3: u16 = 4;
pub const KEY_4: u16 = 5;
pub const KEY_5: u16 = 6;
pub const KEY_6: u16 = 7;
pub const KEY_7: u16 = 8;
pub const KEY_8: u16 = 9;
pub const KEY_9: u16 = 10;
pub const KEY_0: u16 = 11;
pub const KEY_MINUS: u16 = 12;
pub const KEY_EQUAL: u16 = 13;
pub const KEY_BACKSPACE: u16 = 14;
pub const KEY_TAB: u16 = 15;
pub const KEY_Q: u16 = 16;
pub const KEY_W: u16 = 17;
pub const KEY_E: u16 = 18;
pub const KEY_R: u16 = 19;
pub const KEY_T: u16 = 20;
pub const KEY_Y: u16 = 21;
pub const KEY_U: u16 = 22;
pub const KEY_I: u16 = 23;
pub const KEY_O: u16 = 24;
pub const KEY_P: u16 = 25;
pub const KEY_LEFTBRACE: u16 = 26;
pub const KEY_RIGHTBRACE: u16 = 27;
pub const KEY_ENTER: u16 = 28;
pub const KEY_LEFTCTRL: u16 = 29;
pub const KEY_A: u16 = 30;
pub const KEY_S: u16 = 31;
pub const KEY_D: u16 = 32;
pub const KEY_F: u16 = 33;
pub const KEY_G: u16 = 34;
pub const KEY_H: u16 = 35;
pub const KEY_J: u16 = 36;
pub const KEY_K: u16 = 37;
pub const KEY_L: u16 = 38;
pub const KEY_SEMICOLON: u16 = 39;
pub const KEY_APOSTROPHE: u16 = 40;
pub const KEY_GRAVE: u16 = 41;
pub const KEY_LEFTSHIFT: u16 = 42;
pub const KEY_BACKSLASH: u16 = 43;
pub const KEY_Z: u16 = 44;
pub const KEY_X: u16 = 45;
pub const KEY_C: u16 = 46;
pub const KEY_V: u16 = 47;
pub const KEY_B: u16 = 48;
pub const KEY_N: u16 = 49;
pub const KEY_M: u16 = 50;
pub const KEY_COMMA: u16 = 51;
pub const KEY_DOT: u16 = 52;
pub const KEY_SLASH: u16 = 53;
pub const KEY_RIGHTSHIFT: u16 = 54;
pub const KEY_KPASTERISK: u16 = 55;
pub const KEY_LEFTALT: u16 = 56;
pub const KEY_SPACE: u16 = 57;
pub const KEY_CAPSLOCK: u16 = 58;
pub const KEY_F1: u16 = 59;
pub const KEY_F2: u16 = 60;
pub const KEY_F3: u16 = 61;
pub const KEY_F4: u16 = 62;
pub const KEY_F5: u16 = 63;
pub const KEY_F6: u16 = 64;
pub const KEY_F7: u16 = 65;
pub const KEY_F8: u16 = 66;
pub const KEY_F9: u16 = 67;
pub const KEY_F10: u16 = 68;
pub const KEY_KP7: u16 = 71;
pub const KEY_KP8: u16 = 72;
pub const KEY_KP9: u16 = 73;
pub const KEY_KPMINUS: u16 = 74;
pub const KEY_KP4: u16 = 75;
pub const KEY_KP5: u16 = 76;
pub const KEY_KP6: u16 = 77;
pub const KEY_KPPLUS: u16 = 78;
pub const KEY_KP1: u16 = 79;
pub const KEY_KP2: u16 = 80;
pub const KEY_KP3: u16 = 81;
pub const KEY_KP0: u16 = 82;
pub const KEY_KPDOT: u16 = 83;
pub const KEY_F11: u16 = 87;
pub const KEY_F12: u16 = 88;
pub const KEY_F13: u16 = 183;
pub const KEY_F14: u16 = 184;
pub const KEY_F15: u16 = 185;
pub const KEY_F16: u16 = 186;
pub const KEY_F17: u16 = 187;
pub const KEY_F18: u16 = 188;
pub const KEY_F19: u16 = 189;
pub const KEY_F20: u16 = 190;
pub const KEY_KPENTER: u16 = 96;
pub const KEY_RIGHTCTRL: u16 = 97;
pub const KEY_KPSLASH: u16 = 98;
pub const KEY_RIGHTALT: u16 = 100;
pub const KEY_HOME: u16 = 102;
pub const KEY_UP: u16 = 103;
pub const KEY_PAGEUP: u16 = 104;
pub const KEY_LEFT: u16 = 105;
pub const KEY_RIGHT: u16 = 106;
pub const KEY_END: u16 = 107;
pub const KEY_DOWN: u16 = 108;
pub const KEY_PAGEDOWN: u16 = 109;
pub const KEY_INSERT: u16 = 110;
pub const KEY_DELETE: u16 = 111;
pub const KEY_KPEQUAL: u16 = 117;
pub const KEY_LEFTMETA: u16 = 125;
pub const KEY_RIGHTMETA: u16 = 126;