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82 lines
2.8 KiB
Dart
82 lines
2.8 KiB
Dart
import 'package:flutter/services.dart';
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/// Useful extensions for the [LogicalKeyboardKey] class.
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extension LogicalKeyboardKeyExtensions on LogicalKeyboardKey {
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/// Convert this logical key to the corresponding X window system key code.
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///
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/// See: https://www.rfc-editor.org/rfc/rfc6143.html#section-7.5.4
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int asXWindowSystemKey() {
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if (this == LogicalKeyboardKey.backspace) {
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return 0xff08;
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} else if (this == LogicalKeyboardKey.tab) {
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return 0xff09;
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} else if (this == LogicalKeyboardKey.enter) {
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return 0xff0d;
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} else if (this == LogicalKeyboardKey.escape) {
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return 0xff1b;
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} else if (this == LogicalKeyboardKey.insert) {
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return 0xff63;
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} else if (this == LogicalKeyboardKey.delete) {
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return 0xffff;
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} else if (this == LogicalKeyboardKey.home) {
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return 0xff50;
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} else if (this == LogicalKeyboardKey.end) {
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return 0xff57;
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} else if (this == LogicalKeyboardKey.pageUp) {
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return 0xff55;
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} else if (this == LogicalKeyboardKey.pageDown) {
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return 0xff56;
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} else if (this == LogicalKeyboardKey.arrowLeft) {
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return 0xff51;
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} else if (this == LogicalKeyboardKey.arrowUp) {
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return 0xff52;
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} else if (this == LogicalKeyboardKey.arrowRight) {
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return 0xff53;
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} else if (this == LogicalKeyboardKey.arrowDown) {
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return 0xff54;
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} else if (this == LogicalKeyboardKey.f1) {
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return 0xffbe;
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} else if (this == LogicalKeyboardKey.f2) {
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return 0xffbf;
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} else if (this == LogicalKeyboardKey.f3) {
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return 0xffc0;
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} else if (this == LogicalKeyboardKey.f4) {
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return 0xffc1;
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} else if (this == LogicalKeyboardKey.f5) {
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return 0xffc2;
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} else if (this == LogicalKeyboardKey.f6) {
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return 0xffc3;
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} else if (this == LogicalKeyboardKey.f7) {
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return 0xffc4;
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} else if (this == LogicalKeyboardKey.f8) {
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return 0xffc5;
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} else if (this == LogicalKeyboardKey.f9) {
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return 0xffc6;
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} else if (this == LogicalKeyboardKey.f10) {
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return 0xffc7;
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} else if (this == LogicalKeyboardKey.f11) {
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return 0xffc8;
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} else if (this == LogicalKeyboardKey.f12) {
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return 0xffc9;
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} else if (this == LogicalKeyboardKey.shiftLeft) {
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return 0xffe1;
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} else if (this == LogicalKeyboardKey.shiftRight) {
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return 0xffe2;
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} else if (this == LogicalKeyboardKey.controlLeft) {
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return 0xffe3;
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} else if (this == LogicalKeyboardKey.controlRight) {
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return 0xffe4;
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} else if (this == LogicalKeyboardKey.metaLeft) {
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return 0xffe7;
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} else if (this == LogicalKeyboardKey.metaRight) {
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return 0xffe8;
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} else if (this == LogicalKeyboardKey.altLeft) {
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return 0xffe9;
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} else if (this == LogicalKeyboardKey.altRight) {
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return 0xffea;
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} else {
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return keyId;
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}
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}
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}
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