445 lines
11 KiB
JavaScript
445 lines
11 KiB
JavaScript
"use strict";
|
|
|
|
/** @const */
|
|
var SHIFT_SCAN_CODE = 0x2A;
|
|
|
|
/** @const */
|
|
var SCAN_CODE_RELEASE = 0x80;
|
|
|
|
/**
|
|
* @constructor
|
|
*
|
|
* @param {BusConnector} bus
|
|
*/
|
|
function KeyboardAdapter(bus)
|
|
{
|
|
var
|
|
/**
|
|
* @type {!Object.<boolean>}
|
|
*/
|
|
keys_pressed = {},
|
|
|
|
keyboard = this;
|
|
|
|
/**
|
|
* Set by emulator
|
|
* @type {boolean}
|
|
*/
|
|
this.emu_enabled = true;
|
|
|
|
/**
|
|
* Format:
|
|
* Javascript event.keyCode -> make code
|
|
* @const
|
|
*/
|
|
var charmap = new Uint16Array([
|
|
0, 0, 0, 0, 0, 0, 0, 0,
|
|
// 0x08: backspace, tab, enter
|
|
0x0E, 0x0F, 0, 0, 0, 0x1C, 0, 0,
|
|
|
|
// 0x10: shift, ctrl, alt, pause, caps lock
|
|
0x2A, 0x1D, 0x38, 0, 0x3A, 0, 0, 0,
|
|
|
|
// 0x18: escape
|
|
0, 0, 0, 0x01, 0, 0, 0, 0,
|
|
|
|
// 0x20: spacebar, page down/up, end, home, arrow keys, ins, del
|
|
0x39, 0xE049, 0xE051, 0xE04F, 0xE047, 0xE04B, 0xE048, 0xE04D,
|
|
0x50, 0, 0, 0, 0, 0x52, 0x53, 0,
|
|
|
|
// 0x30: numbers
|
|
0x0B, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08,
|
|
0x09, 0x0A,
|
|
|
|
// 0x3B: ;= (firefox only)
|
|
0, 0x27, 0, 0x0D, 0, 0,
|
|
|
|
// 0x40
|
|
0,
|
|
|
|
// 0x41: letters
|
|
0x1E, 0x30, 0x2E, 0x20, 0x12, 0x21, 0x22, 0x23, 0x17, 0x24, 0x25, 0x26, 0x32,
|
|
0x31, 0x18, 0x19, 0x10, 0x13, 0x1F, 0x14, 0x16, 0x2F, 0x11, 0x2D, 0x15, 0x2C,
|
|
|
|
// 0x5B: Left Win, Right Win, Menu
|
|
0xE05B, 0xE05C, 0xE05D, 0, 0,
|
|
|
|
// 0x60: keypad
|
|
0x52, 0x4F, 0x50, 0x51, 0x4B, 0x4C, 0x4D, 0x47,
|
|
0x48, 0x49, 0, 0, 0, 0, 0, 0,
|
|
|
|
// 0x70: F1 to F12
|
|
0x3B, 0x3C, 0x3D, 0x3E, 0x3F, 0x40, 0x41, 0x42, 0x43, 0x44, 0x57, 0x58,
|
|
|
|
0, 0, 0, 0,
|
|
|
|
// 0x80
|
|
0, 0, 0, 0, 0, 0, 0, 0,
|
|
0, 0, 0, 0, 0, 0, 0, 0,
|
|
|
|
// 0x90: Numlock
|
|
0x45, 0, 0, 0, 0, 0, 0, 0,
|
|
0, 0, 0, 0, 0, 0, 0, 0,
|
|
|
|
// 0xA0: - (firefox only)
|
|
0, 0, 0, 0, 0, 0, 0, 0,
|
|
0, 0, 0, 0, 0, 0x0C, 0, 0,
|
|
|
|
// 0xB0
|
|
// ,
|
|
0, 0, 0, 0, 0, 0, 0, 0,
|
|
0, 0, 0x27, 0x0D, 0x33, 0x0C, 0x34, 0x35,
|
|
|
|
// 0xC0
|
|
// `
|
|
0x29, 0, 0, 0, 0, 0, 0, 0,
|
|
0, 0, 0, 0, 0, 0, 0, 0,
|
|
|
|
// 0xD0
|
|
// [']\
|
|
0, 0, 0, 0, 0, 0, 0, 0,
|
|
0, 0, 0, 0x1A, 0x2B, 0x1B, 0x28, 0,
|
|
|
|
// 0xE0
|
|
// Apple key on Gecko, Right alt
|
|
0xE05B, 0xE038, 0, 0, 0, 0, 0, 0,
|
|
0, 0, 0, 0, 0, 0, 0, 0,
|
|
]);
|
|
|
|
|
|
/**
|
|
* ascii -> javascript event code (US layout)
|
|
* @const
|
|
*/
|
|
var asciimap = {8: 8, 10: 13, 32: 32, 39: 222, 44: 188, 45: 189, 46: 190, 47: 191, 48: 48, 49: 49, 50: 50, 51: 51, 52: 52, 53: 53, 54: 54, 55: 55, 56: 56, 57: 57, 59: 186, 61: 187, 91: 219, 92: 220, 93: 221, 96: 192, 97: 65, 98: 66, 99: 67, 100: 68, 101: 69, 102: 70, 103: 71, 104: 72, 105: 73, 106: 74, 107: 75, 108: 76, 109: 77, 110: 78, 111: 79, 112: 80, 113: 81, 114: 82, 115: 83, 116: 84, 117: 85, 118: 86, 119: 87, 120: 88, 121: 89, 122: 90};
|
|
var asciimap_shift = {33: 49, 34: 222, 35: 51, 36: 52, 37: 53, 38: 55, 40: 57, 41: 48, 42: 56, 43: 187, 58: 186, 60: 188, 62: 190, 63: 191, 64: 50, 65: 65, 66: 66, 67: 67, 68: 68, 69: 69, 70: 70, 71: 71, 72: 72, 73: 73, 74: 74, 75: 75, 76: 76, 77: 77, 78: 78, 79: 79, 80: 80, 81: 81, 82: 82, 83: 83, 84: 84, 85: 85, 86: 86, 87: 87, 88: 88, 89: 89, 90: 90, 94: 54, 95: 189, 123: 219, 124: 220, 125: 221, 126: 192};
|
|
|
|
// From:
|
|
// https://developer.mozilla.org/en-US/docs/Web/API/KeyboardEvent/code#Code_values_on_Linux_%28X11%29_%28When_scancode_is_available%29
|
|
// http://stanislavs.org/helppc/make_codes.html
|
|
// http://www.computer-engineering.org/ps2keyboard/scancodes1.html
|
|
//
|
|
// Mapping from event.code to scancode
|
|
var codemap = {
|
|
"Escape": 0x0001,
|
|
"Digit1": 0x0002,
|
|
"Digit2": 0x0003,
|
|
"Digit3": 0x0004,
|
|
"Digit4": 0x0005,
|
|
"Digit5": 0x0006,
|
|
"Digit6": 0x0007,
|
|
"Digit7": 0x0008,
|
|
"Digit8": 0x0009,
|
|
"Digit9": 0x000a,
|
|
"Digit0": 0x000b,
|
|
"Minus": 0x000c,
|
|
"Equal": 0x000d,
|
|
"Backspace": 0x000e,
|
|
"Tab": 0x000f,
|
|
"KeyQ": 0x0010,
|
|
"KeyW": 0x0011,
|
|
"KeyE": 0x0012,
|
|
"KeyR": 0x0013,
|
|
"KeyT": 0x0014,
|
|
"KeyY": 0x0015,
|
|
"KeyU": 0x0016,
|
|
"KeyI": 0x0017,
|
|
"KeyO": 0x0018,
|
|
"KeyP": 0x0019,
|
|
"BracketLeft": 0x001a,
|
|
"BracketRight": 0x001b,
|
|
"Enter": 0x001c,
|
|
"ControlLeft": 0x001d,
|
|
"KeyA": 0x001e,
|
|
"KeyS": 0x001f,
|
|
"KeyD": 0x0020,
|
|
"KeyF": 0x0021,
|
|
"KeyG": 0x0022,
|
|
"KeyH": 0x0023,
|
|
"KeyJ": 0x0024,
|
|
"KeyK": 0x0025,
|
|
"KeyL": 0x0026,
|
|
"Semicolon": 0x0027,
|
|
"Quote": 0x0028,
|
|
"Backquote": 0x0029,
|
|
"ShiftLeft": 0x002a,
|
|
"Backslash": 0x002b,
|
|
"KeyZ": 0x002c,
|
|
"KeyX": 0x002d,
|
|
"KeyC": 0x002e,
|
|
"KeyV": 0x002f,
|
|
"KeyB": 0x0030,
|
|
"KeyN": 0x0031,
|
|
"KeyM": 0x0032,
|
|
"Comma": 0x0033,
|
|
"Period": 0x0034,
|
|
"Slash": 0x0035,
|
|
"ShiftRight": 0x0036,
|
|
"NumpadMultiply": 0x0037,
|
|
"AltLeft": 0x0038,
|
|
"Space": 0x0039,
|
|
"CapsLock": 0x003a,
|
|
"F1": 0x003b,
|
|
"F2": 0x003c,
|
|
"F3": 0x003d,
|
|
"F4": 0x003e,
|
|
"F5": 0x003f,
|
|
"F6": 0x0040,
|
|
"F7": 0x0041,
|
|
"F8": 0x0042,
|
|
"F9": 0x0043,
|
|
"F10": 0x0044,
|
|
"NumLock": 0x0045,
|
|
"ScrollLock": 0x0046,
|
|
"Numpad7": 0x0047,
|
|
"Numpad8": 0x0048,
|
|
"Numpad9": 0x0049,
|
|
"NumpadSubtract": 0x004a,
|
|
"Numpad4": 0x004b,
|
|
"Numpad5": 0x004c,
|
|
"Numpad6": 0x004d,
|
|
"NumpadAdd": 0x004e,
|
|
"Numpad1": 0x004f,
|
|
"Numpad2": 0x0050,
|
|
"Numpad3": 0x0051,
|
|
"Numpad0": 0x0052,
|
|
"NumpadDecimal": 0x0053,
|
|
"IntlBackslash": 0x0056,
|
|
"F11": 0x0057,
|
|
"F12": 0x0058,
|
|
|
|
"NumpadEnter": 0xe01c,
|
|
"ControlRight": 0xe01d,
|
|
"NumpadDivide": 0xe035,
|
|
//"PrintScreen": 0x0063,
|
|
"AltRight": 0xe038,
|
|
"Home": 0xe047,
|
|
"ArrowUp": 0xe048,
|
|
"PageUp": 0xe049,
|
|
"ArrowLeft": 0xe04b,
|
|
"ArrowRight": 0xe04d,
|
|
"End": 0xe04f,
|
|
"ArrowDown": 0xe050,
|
|
"PageDown": 0xe051,
|
|
"Insert": 0xe052,
|
|
"Delete": 0xe053,
|
|
|
|
"OSLeft": 0xe05b,
|
|
"OSRight": 0xe05c,
|
|
"ContextMenu": 0xe05d,
|
|
};
|
|
|
|
this.bus = bus;
|
|
|
|
this.destroy = function()
|
|
{
|
|
if(typeof window !== "undefined")
|
|
{
|
|
window.removeEventListener("keyup", keyup_handler, false);
|
|
window.removeEventListener("keydown", keydown_handler, false);
|
|
window.removeEventListener("blur", blur_handler, false);
|
|
}
|
|
};
|
|
|
|
this.init = function()
|
|
{
|
|
if(typeof window === "undefined")
|
|
{
|
|
return;
|
|
}
|
|
this.destroy();
|
|
|
|
window.addEventListener("keyup", keyup_handler, false);
|
|
window.addEventListener("keydown", keydown_handler, false);
|
|
window.addEventListener("blur", blur_handler, false);
|
|
};
|
|
this.init();
|
|
|
|
this.simulate_press = function(code)
|
|
{
|
|
var ev = { keyCode: code };
|
|
handler(ev, true);
|
|
handler(ev, false);
|
|
};
|
|
|
|
this.simulate_char = function(chr)
|
|
{
|
|
var code = chr.charCodeAt(0);
|
|
|
|
if(code in asciimap)
|
|
{
|
|
this.simulate_press(asciimap[code]);
|
|
}
|
|
else if(code in asciimap_shift)
|
|
{
|
|
send_to_controller(SHIFT_SCAN_CODE);
|
|
this.simulate_press(asciimap_shift[code]);
|
|
send_to_controller(SHIFT_SCAN_CODE | SCAN_CODE_RELEASE);
|
|
}
|
|
else
|
|
{
|
|
console.log("ascii -> keyCode not found: ", code, chr);
|
|
}
|
|
};
|
|
|
|
function may_handle(e)
|
|
{
|
|
if(e.shiftKey && e.ctrlKey && (e.keyCode === 73 || e.keyCode === 74 || e.keyCode === 75))
|
|
{
|
|
// don't prevent opening chromium dev tools
|
|
// maybe add other important combinations here, too
|
|
return false;
|
|
}
|
|
|
|
if(!keyboard.emu_enabled)
|
|
{
|
|
return false;
|
|
}
|
|
|
|
if(e.target)
|
|
{
|
|
// className shouldn't be hardcoded here
|
|
return e.target.classList.contains("phone_keyboard") ||
|
|
(e.target.nodeName !== "INPUT" && e.target.nodeName !== "TEXTAREA");
|
|
}
|
|
else
|
|
{
|
|
return true;
|
|
}
|
|
}
|
|
|
|
function translate(e)
|
|
{
|
|
if(e.code !== undefined)
|
|
{
|
|
var code = codemap[e.code];
|
|
|
|
if(code !== undefined)
|
|
{
|
|
return code;
|
|
}
|
|
}
|
|
|
|
return charmap[e.keyCode];
|
|
}
|
|
|
|
function keyup_handler(e)
|
|
{
|
|
if(!e.altKey && keys_pressed[0x38])
|
|
{
|
|
// trigger ALT keyup manually - some browsers don't
|
|
// see issue #165
|
|
handle_code(0x38, false);
|
|
}
|
|
return handler(e, false);
|
|
}
|
|
|
|
function keydown_handler(e)
|
|
{
|
|
if(!e.altKey && keys_pressed[0x38])
|
|
{
|
|
// trigger ALT keyup manually - some browsers don't
|
|
// see issue #165
|
|
handle_code(0x38, false);
|
|
}
|
|
return handler(e, true);
|
|
}
|
|
|
|
function blur_handler(e)
|
|
{
|
|
// trigger keyup for all pressed keys
|
|
var keys = Object.keys(keys_pressed),
|
|
key;
|
|
|
|
for(var i = 0; i < keys.length; i++)
|
|
{
|
|
key = +keys[i];
|
|
|
|
if(keys_pressed[key])
|
|
{
|
|
handle_code(key, false);
|
|
}
|
|
}
|
|
|
|
keys_pressed = {};
|
|
}
|
|
|
|
/**
|
|
* @param {boolean} keydown
|
|
*/
|
|
function handler(e, keydown)
|
|
{
|
|
if(!keyboard.bus)
|
|
{
|
|
return;
|
|
}
|
|
|
|
if(!may_handle(e))
|
|
{
|
|
return;
|
|
}
|
|
|
|
var code = translate(e);
|
|
|
|
if(!code)
|
|
{
|
|
console.log("Missing char in map: keyCode=" + (e.keyCode || -1).toString(16) + " code=" + e.code);
|
|
return;
|
|
}
|
|
|
|
handle_code(code, keydown);
|
|
|
|
e.preventDefault && e.preventDefault();
|
|
|
|
return false;
|
|
}
|
|
|
|
/**
|
|
* @param {number} code
|
|
* @param {boolean} keydown
|
|
*/
|
|
function handle_code(code, keydown)
|
|
{
|
|
if(keydown)
|
|
{
|
|
if(keys_pressed[code])
|
|
{
|
|
handle_code(code, false);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
if(!keys_pressed[code])
|
|
{
|
|
// stray keyup
|
|
return;
|
|
}
|
|
}
|
|
|
|
keys_pressed[code] = keydown;
|
|
|
|
if(!keydown)
|
|
{
|
|
code |= 0x80;
|
|
}
|
|
//console.log("Key: " + code.toString(16) + " from " + chr.toString(16) + " down=" + keydown);
|
|
|
|
if(code > 0xFF)
|
|
{
|
|
// prefix
|
|
send_to_controller(code >> 8);
|
|
send_to_controller(code & 0xFF);
|
|
}
|
|
else
|
|
{
|
|
send_to_controller(code);
|
|
}
|
|
}
|
|
|
|
function send_to_controller(code)
|
|
{
|
|
keyboard.bus.send("keyboard-code", code);
|
|
}
|
|
}
|
|
|