| "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 = {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": 0xe04f, |
| "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 === 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.className === "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: " + e.keyCode.toString(16)); |
| 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); |
| } |
| } |
| |