@difizen/mana-core
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JavaScript
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function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
function _defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, _toPropertyKey(descriptor.key), descriptor); } }
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/* eslint-disable @typescript-eslint/no-use-before-define */
/* eslint-disable no-param-reassign */
/* eslint-disable no-restricted-syntax */
/* eslint-disable class-methods-use-this */
/* eslint-disable no-plusplus */
import { Emitter, isWindows } from '@difizen/mana-common';
import { inject, optional, singleton } from '@difizen/mana-syringe';
import { KeyboardLayoutProvider, KeyboardLayoutChangeNotifier, KeyValidator } from "./keyboard-protocol";
import { KeyCode, Key } from "./keys";
export var KeyboardLayoutService = (_dec = singleton(), _dec(_class = /*#__PURE__*/function () {
function KeyboardLayoutService(layoutProvider, layoutChangeNotifier, keyValidator) {
_classCallCheck(this, KeyboardLayoutService);
this.keyboardLayoutChanged = new Emitter();
this.layoutProvider = layoutProvider;
this.layoutChangeNotifier = layoutChangeNotifier;
this.keyValidator = keyValidator;
}
KeyboardLayoutService = optional()(KeyboardLayoutService, undefined, 2) || KeyboardLayoutService;
KeyboardLayoutService = inject(KeyValidator)(KeyboardLayoutService, undefined, 2) || KeyboardLayoutService;
KeyboardLayoutService = inject(KeyboardLayoutChangeNotifier)(KeyboardLayoutService, undefined, 1) || KeyboardLayoutService;
KeyboardLayoutService = inject(KeyboardLayoutProvider)(KeyboardLayoutService, undefined, 0) || KeyboardLayoutService;
_createClass(KeyboardLayoutService, [{
key: "updateLayout",
value: function updateLayout(newLayout) {
var transformed = this.transformNativeLayout(newLayout);
this.currentLayout = transformed;
this.keyboardLayoutChanged.fire(transformed);
return transformed;
}
}, {
key: "onKeyboardLayoutChanged",
get: function get() {
return this.keyboardLayoutChanged.event;
}
}, {
key: "initialize",
value: function () {
var _initialize = _asyncToGenerator( /*#__PURE__*/_regeneratorRuntime().mark(function _callee() {
var _this = this;
var initialLayout;
return _regeneratorRuntime().wrap(function _callee$(_context) {
while (1) switch (_context.prev = _context.next) {
case 0:
this.layoutChangeNotifier.onDidChangeNativeLayout(function (newLayout) {
return _this.updateLayout(newLayout);
});
_context.next = 3;
return this.layoutProvider.getNativeLayout();
case 3:
initialLayout = _context.sent;
this.updateLayout(initialLayout);
case 5:
case "end":
return _context.stop();
}
}, _callee, this);
}));
function initialize() {
return _initialize.apply(this, arguments);
}
return initialize;
}()
/**
* Resolve a KeyCode of a keybinding using the current keyboard layout.
* If no keyboard layout has been detected or the layout does not contain the
* key used in the KeyCode, the KeyCode is returned unchanged.
*/
}, {
key: "resolveKeyCode",
value: function resolveKeyCode(inCode) {
var layout = this.currentLayout;
if (layout && inCode.key) {
for (var shift = 0; shift <= 1; shift++) {
var index = this.getCharacterIndex(inCode.key, !!shift);
var mappedCode = layout.key2KeyCode[index];
if (mappedCode) {
var transformed = this.transformKeyCode(inCode, mappedCode, !!shift);
if (transformed) {
return transformed;
}
}
}
}
return inCode;
}
/**
* Return the character shown on the user's keyboard for the given key.
* Use this to determine UI representations of keybindings.
*/
}, {
key: "getKeyboardCharacter",
value: function getKeyboardCharacter(key) {
var layout = this.currentLayout;
if (layout) {
var value = layout.code2Character[key.code];
if (value && value.replace(/[\n\r\t]/g, '')) {
return value;
}
}
return key.easyString;
}
/**
* Called when a KeyboardEvent is processed by the KeybindingRegistry.
* The KeyValidator may trigger a keyboard layout change.
*/
}, {
key: "validateKeyCode",
value: function validateKeyCode(keyCode) {
if (this.keyValidator && keyCode.key && keyCode.character) {
this.keyValidator.validateKey({
code: keyCode.key.code,
character: keyCode.character,
shiftKey: keyCode.shift,
ctrlKey: keyCode.ctrl,
altKey: keyCode.alt
});
}
}
}, {
key: "transformKeyCode",
value: function transformKeyCode(inCode, mappedCode, keyNeedsShift) {
if (!inCode.shift && keyNeedsShift) {
return undefined;
}
if (mappedCode.alt && (inCode.alt || inCode.ctrl || inCode.shift && !keyNeedsShift)) {
return undefined;
}
return new KeyCode({
key: mappedCode.key,
meta: inCode.meta,
ctrl: inCode.ctrl || mappedCode.alt,
shift: inCode.shift && !keyNeedsShift || mappedCode.shift,
alt: inCode.alt || mappedCode.alt
});
}
}, {
key: "transformNativeLayout",
value: function transformNativeLayout(nativeLayout) {
var key2KeyCode = new Array(2 * (Key.MAX_KEY_CODE + 1));
var code2Character = {};
var mapping = nativeLayout.mapping;
for (var code in mapping) {
if (Object.prototype.hasOwnProperty.call(mapping, code)) {
var keyMapping = mapping[code];
var mappedKey = Key.getKey(code);
if (mappedKey && this.shouldIncludeKey(code)) {
if (isWindows) {
this.addWindowsKeyMapping(key2KeyCode, mappedKey, keyMapping.vkey, keyMapping.value);
} else {
if (keyMapping.value) {
this.addKeyMapping(key2KeyCode, mappedKey, keyMapping.value, false, false);
}
if (keyMapping.withShift) {
this.addKeyMapping(key2KeyCode, mappedKey, keyMapping.withShift, true, false);
}
if (keyMapping.withAltGr) {
this.addKeyMapping(key2KeyCode, mappedKey, keyMapping.withAltGr, false, true);
}
if (keyMapping.withShiftAltGr) {
this.addKeyMapping(key2KeyCode, mappedKey, keyMapping.withShiftAltGr, true, true);
}
}
}
if (keyMapping.value) {
code2Character[code] = keyMapping.value;
}
}
}
return {
key2KeyCode: key2KeyCode,
code2Character: code2Character
};
}
}, {
key: "shouldIncludeKey",
value: function shouldIncludeKey(code) {
// Exclude all numpad keys because they produce values that are already found elsewhere on the keyboard.
// This can cause problems, e.g. if `Numpad3` maps to `PageDown` then commands bound to `PageDown` would
// be resolved to `Digit3` (`Numpad3` is associated with `Key.DIGIT3`), effectively blocking the user
// from typing `3` in an editor.
return !code.startsWith('Numpad');
}
}, {
key: "addKeyMapping",
value: function addKeyMapping(key2KeyCode, mappedKey, value, shift, alt) {
var key = VALUE_TO_KEY[value];
if (key) {
var index = this.getCharacterIndex(key.key, key.shift);
if (key2KeyCode[index] === undefined) {
key2KeyCode[index] = new KeyCode({
key: mappedKey,
shift: shift,
alt: alt,
character: value
});
}
}
}
}, {
key: "addWindowsKeyMapping",
value: function addWindowsKeyMapping(key2KeyCode, mappedKey, vkey, value) {
var key = VKEY_TO_KEY[vkey];
if (key) {
var index = this.getCharacterIndex(key);
if (key2KeyCode[index] === undefined) {
key2KeyCode[index] = new KeyCode({
key: mappedKey,
character: value
});
}
}
}
}, {
key: "getCharacterIndex",
value: function getCharacterIndex(key, shift) {
if (shift) {
return Key.MAX_KEY_CODE + key.keyCode + 1;
}
return key.keyCode;
}
}]);
return KeyboardLayoutService;
}()) || _class);
/**
* Mapping of character values to the corresponding keys on a standard US keyboard layout.
*/
var VALUE_TO_KEY = {
'`': {
key: Key.BACKQUOTE
},
'~': {
key: Key.BACKQUOTE,
shift: true
},
'1': {
key: Key.DIGIT1
},
'!': {
key: Key.DIGIT1,
shift: true
},
'2': {
key: Key.DIGIT2
},
'@': {
key: Key.DIGIT2,
shift: true
},
'3': {
key: Key.DIGIT3
},
'#': {
key: Key.DIGIT3,
shift: true
},
'4': {
key: Key.DIGIT4
},
$: {
key: Key.DIGIT4,
shift: true
},
'5': {
key: Key.DIGIT5
},
'%': {
key: Key.DIGIT5,
shift: true
},
'6': {
key: Key.DIGIT6
},
'^': {
key: Key.DIGIT6,
shift: true
},
'7': {
key: Key.DIGIT7
},
'&': {
key: Key.DIGIT7,
shift: true
},
'8': {
key: Key.DIGIT8
},
'*': {
key: Key.DIGIT8,
shift: true
},
'9': {
key: Key.DIGIT9
},
'(': {
key: Key.DIGIT9,
shift: true
},
'0': {
key: Key.DIGIT0
},
')': {
key: Key.DIGIT0,
shift: true
},
'-': {
key: Key.MINUS
},
_: {
key: Key.MINUS,
shift: true
},
'=': {
key: Key.EQUAL
},
'+': {
key: Key.EQUAL,
shift: true
},
a: {
key: Key.KEY_A
},
A: {
key: Key.KEY_A,
shift: true
},
b: {
key: Key.KEY_B
},
B: {
key: Key.KEY_B,
shift: true
},
c: {
key: Key.KEY_C
},
C: {
key: Key.KEY_C,
shift: true
},
d: {
key: Key.KEY_D
},
D: {
key: Key.KEY_D,
shift: true
},
e: {
key: Key.KEY_E
},
E: {
key: Key.KEY_E,
shift: true
},
f: {
key: Key.KEY_F
},
F: {
key: Key.KEY_F,
shift: true
},
g: {
key: Key.KEY_G
},
G: {
key: Key.KEY_G,
shift: true
},
h: {
key: Key.KEY_H
},
H: {
key: Key.KEY_H,
shift: true
},
i: {
key: Key.KEY_I
},
I: {
key: Key.KEY_I,
shift: true
},
j: {
key: Key.KEY_J
},
J: {
key: Key.KEY_J,
shift: true
},
k: {
key: Key.KEY_K
},
K: {
key: Key.KEY_K,
shift: true
},
l: {
key: Key.KEY_L
},
L: {
key: Key.KEY_L,
shift: true
},
m: {
key: Key.KEY_M
},
M: {
key: Key.KEY_M,
shift: true
},
n: {
key: Key.KEY_N
},
N: {
key: Key.KEY_N,
shift: true
},
o: {
key: Key.KEY_O
},
O: {
key: Key.KEY_O,
shift: true
},
p: {
key: Key.KEY_P
},
P: {
key: Key.KEY_P,
shift: true
},
q: {
key: Key.KEY_Q
},
Q: {
key: Key.KEY_Q,
shift: true
},
r: {
key: Key.KEY_R
},
R: {
key: Key.KEY_R,
shift: true
},
s: {
key: Key.KEY_S
},
S: {
key: Key.KEY_S,
shift: true
},
t: {
key: Key.KEY_T
},
T: {
key: Key.KEY_T,
shift: true
},
u: {
key: Key.KEY_U
},
U: {
key: Key.KEY_U,
shift: true
},
v: {
key: Key.KEY_V
},
V: {
key: Key.KEY_V,
shift: true
},
w: {
key: Key.KEY_W
},
W: {
key: Key.KEY_W,
shift: true
},
x: {
key: Key.KEY_X
},
X: {
key: Key.KEY_X,
shift: true
},
y: {
key: Key.KEY_Y
},
Y: {
key: Key.KEY_Y,
shift: true
},
z: {
key: Key.KEY_Z
},
Z: {
key: Key.KEY_Z,
shift: true
},
'[': {
key: Key.BRACKET_LEFT
},
'{': {
key: Key.BRACKET_LEFT,
shift: true
},
']': {
key: Key.BRACKET_RIGHT
},
'}': {
key: Key.BRACKET_RIGHT,
shift: true
},
';': {
key: Key.SEMICOLON
},
':': {
key: Key.SEMICOLON,
shift: true
},
"'": {
key: Key.QUOTE
},
'"': {
key: Key.QUOTE,
shift: true
},
',': {
key: Key.COMMA
},
'<': {
key: Key.COMMA,
shift: true
},
'.': {
key: Key.PERIOD
},
'>': {
key: Key.PERIOD,
shift: true
},
'/': {
key: Key.SLASH
},
'?': {
key: Key.SLASH,
shift: true
},
'\\': {
key: Key.BACKSLASH
},
'|': {
key: Key.BACKSLASH,
shift: true
},
'\t': {
key: Key.TAB
},
'\r': {
key: Key.ENTER
},
'\n': {
key: Key.ENTER
},
' ': {
key: Key.SPACE
}
};
/**
* Mapping of Windows Virtual Keys to the corresponding keys on a standard US keyboard layout.
*/
var VKEY_TO_KEY = {
VK_SHIFT: Key.SHIFT_LEFT,
VK_LSHIFT: Key.SHIFT_LEFT,
VK_RSHIFT: Key.SHIFT_RIGHT,
VK_CONTROL: Key.CONTROL_LEFT,
VK_LCONTROL: Key.CONTROL_LEFT,
VK_RCONTROL: Key.CONTROL_RIGHT,
VK_MENU: Key.ALT_LEFT,
VK_COMMAND: Key.OS_LEFT,
VK_LWIN: Key.OS_LEFT,
VK_RWIN: Key.OS_RIGHT,
VK_0: Key.DIGIT0,
VK_1: Key.DIGIT1,
VK_2: Key.DIGIT2,
VK_3: Key.DIGIT3,
VK_4: Key.DIGIT4,
VK_5: Key.DIGIT5,
VK_6: Key.DIGIT6,
VK_7: Key.DIGIT7,
VK_8: Key.DIGIT8,
VK_9: Key.DIGIT9,
VK_A: Key.KEY_A,
VK_B: Key.KEY_B,
VK_C: Key.KEY_C,
VK_D: Key.KEY_D,
VK_E: Key.KEY_E,
VK_F: Key.KEY_F,
VK_G: Key.KEY_G,
VK_H: Key.KEY_H,
VK_I: Key.KEY_I,
VK_J: Key.KEY_J,
VK_K: Key.KEY_K,
VK_L: Key.KEY_L,
VK_M: Key.KEY_M,
VK_N: Key.KEY_N,
VK_O: Key.KEY_O,
VK_P: Key.KEY_P,
VK_Q: Key.KEY_Q,
VK_R: Key.KEY_R,
VK_S: Key.KEY_S,
VK_T: Key.KEY_T,
VK_U: Key.KEY_U,
VK_V: Key.KEY_V,
VK_W: Key.KEY_W,
VK_X: Key.KEY_X,
VK_Y: Key.KEY_Y,
VK_Z: Key.KEY_Z,
VK_OEM_1: Key.SEMICOLON,
VK_OEM_2: Key.SLASH,
VK_OEM_3: Key.BACKQUOTE,
VK_OEM_4: Key.BRACKET_LEFT,
VK_OEM_5: Key.BACKSLASH,
VK_OEM_6: Key.BRACKET_RIGHT,
VK_OEM_7: Key.QUOTE,
VK_OEM_PLUS: Key.EQUAL,
VK_OEM_COMMA: Key.COMMA,
VK_OEM_MINUS: Key.MINUS,
VK_OEM_PERIOD: Key.PERIOD,
VK_F1: Key.F1,
VK_F2: Key.F2,
VK_F3: Key.F3,
VK_F4: Key.F4,
VK_F5: Key.F5,
VK_F6: Key.F6,
VK_F7: Key.F7,
VK_F8: Key.F8,
VK_F9: Key.F9,
VK_F10: Key.F10,
VK_F11: Key.F11,
VK_F12: Key.F12,
VK_F13: Key.F13,
VK_F14: Key.F14,
VK_F15: Key.F15,
VK_F16: Key.F16,
VK_F17: Key.F17,
VK_F18: Key.F18,
VK_F19: Key.F19,
VK_BACK: Key.BACKSPACE,
VK_TAB: Key.TAB,
VK_RETURN: Key.ENTER,
VK_CAPITAL: Key.CAPS_LOCK,
VK_ESCAPE: Key.ESCAPE,
VK_SPACE: Key.SPACE,
VK_PRIOR: Key.PAGE_UP,
VK_NEXT: Key.PAGE_DOWN,
VK_END: Key.END,
VK_HOME: Key.HOME,
VK_INSERT: Key.INSERT,
VK_DELETE: Key.DELETE,
VK_LEFT: Key.ARROW_LEFT,
VK_UP: Key.ARROW_UP,
VK_RIGHT: Key.ARROW_RIGHT,
VK_DOWN: Key.ARROW_DOWN,
VK_NUMLOCK: Key.NUM_LOCK,
VK_NUMPAD0: Key.DIGIT0,
VK_NUMPAD1: Key.DIGIT1,
VK_NUMPAD2: Key.DIGIT2,
VK_NUMPAD3: Key.DIGIT3,
VK_NUMPAD4: Key.DIGIT4,
VK_NUMPAD5: Key.DIGIT5,
VK_NUMPAD6: Key.DIGIT6,
VK_NUMPAD7: Key.DIGIT7,
VK_NUMPAD8: Key.DIGIT8,
VK_NUMPAD9: Key.DIGIT9,
VK_MULTIPLY: Key.MULTIPLY,
VK_ADD: Key.ADD,
VK_SUBTRACT: Key.SUBTRACT,
VK_DECIMAL: Key.DECIMAL,
VK_DIVIDE: Key.DIVIDE
};