83 lines
2.5 KiB
JavaScript
83 lines
2.5 KiB
JavaScript
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import SimpleKeyboard from "simple-keyboard";
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class KeyboardController {
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constructor(connection) {
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this.connection = connection;
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this.keyboard = null;
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}
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_sendLetterPress(l) {
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this.connection.sendMessage("k", [l]);
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}
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_sendLetterRelease(l) {
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this.connection.sendMessage("k", [l]);
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}
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bindTo(element) {
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this.keyboard = new SimpleKeyboard(element, {
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onKeyPress: this.onKeyPress.bind(this),
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mergeDisplay: true,
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layoutName: "default",
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// refer to: https://hodgef.com/simple-keyboard/demos/?d=mobile
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layout: {
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default: [
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"q w e r t y u i o p",
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"a s d f g h j k l",
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"{shift} z x c v b n m {backspace}",
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"{numbers} {space} {ent}"
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],
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shift: [
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"Q W E R T Y U I O P",
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"A S D F G H J K L",
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"{shift} Z X C V B N M {backspace}",
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"{numbers} {space} {ent}"
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],
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numbers: ["1 2 3", "4 5 6", "7 8 9", "{abc} 0 {backspace}"]
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},
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display: {
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"{numbers}": "123",
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"{ent}": "return",
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"{escape}": "esc ⎋",
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"{tab}": "tab ⇥",
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"{backspace}": "⌫",
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"{capslock}": "caps lock ⇪",
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"{shift}": "⇧",
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"{controlleft}": "ctrl ⌃",
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"{controlright}": "ctrl ⌃",
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"{altleft}": "alt ⌥",
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"{altright}": "alt ⌥",
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"{metaleft}": "cmd ⌘",
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"{metaright}": "cmd ⌘",
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"{abc}": "ABC"
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}
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});
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}
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onKeyPress(button) {
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if (button === "{shift}" || button === "{lock}")
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return this.handleShift();
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if (button === "{numbers}" || button === "{abc}")
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return this.handleNumbers();
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this._sendLetterPress(button);
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}
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onKeyReleased(button) {
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this._sendLetterRelease(button);
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}
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handleShift() {
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this.keyboard.setOptions({
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layoutName: this.keyboard.options.layoutName === "default" ? "shift" : "default"
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});
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}
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handleNumbers() {
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this.keyboard.setOptions({
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layoutName: this.keyboard.options.layoutName !== "numbers" ? "numbers" : "default"
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});
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}
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}
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export default KeyboardController;
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