109 lines
2.5 KiB
C#
109 lines
2.5 KiB
C#
#region Copyright & License Information
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/*
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* Copyright (c) The OpenRA Developers and Contributors
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* This file is part of OpenRA, which is free software. It is made
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* available to you under the terms of the GNU General Public License
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* as published by the Free Software Foundation, either version 3 of
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* the License, or (at your option) any later version. For more
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* information, see COPYING.
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*/
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#endregion
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using System;
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namespace OpenRA
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{
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public readonly struct Hotkey : IEquatable<Hotkey>
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{
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public static Hotkey Invalid = new Hotkey(Keycode.UNKNOWN, Modifiers.None);
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public bool IsValid()
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{
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return Key != Keycode.UNKNOWN;
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}
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public readonly Keycode Key;
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public readonly Modifiers Modifiers;
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public static bool TryParse(string s, out Hotkey result)
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{
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result = Invalid;
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if (string.IsNullOrWhiteSpace(s))
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return false;
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var parts = s.Split(' ');
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if (!Enum<Keycode>.TryParse(parts[0], true, out var key))
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{
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if (!int.TryParse(parts[0], out var c))
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return false;
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key = (Keycode)c;
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}
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var mods = Modifiers.None;
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if (parts.Length >= 2)
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{
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var modString = s[s.IndexOf(' ')..];
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if (!Enum<Modifiers>.TryParse(modString, true, out mods))
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return false;
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}
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result = new Hotkey(key, mods);
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return true;
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}
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public static Hotkey FromKeyInput(KeyInput ki)
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{
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return new Hotkey(ki.Key, ki.Modifiers);
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}
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public Hotkey(Keycode virtKey, Modifiers mod)
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{
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Key = virtKey;
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Modifiers = mod;
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}
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public static bool operator !=(Hotkey a, Hotkey b) { return !(a == b); }
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public static bool operator ==(Hotkey a, Hotkey b)
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{
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// Unknown keys are never equal
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if (a.Key == Keycode.UNKNOWN)
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return false;
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return a.Key == b.Key && a.Modifiers == b.Modifiers;
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}
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public override int GetHashCode() { return Key.GetHashCode() ^ Modifiers.GetHashCode(); }
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public bool Equals(Hotkey other)
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{
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return other == this;
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}
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public override bool Equals(object obj)
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{
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return obj is Hotkey o && (Hotkey?)o == this;
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}
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public override string ToString() { return $"{Key} {Modifiers:F}"; }
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public string DisplayString()
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{
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var ret = KeycodeExts.DisplayString(Key);
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if (Modifiers.HasModifier(Modifiers.Shift))
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ret = "Shift + " + ret;
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if (Modifiers.HasModifier(Modifiers.Alt))
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ret = "Alt + " + ret;
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if (Modifiers.HasModifier(Modifiers.Ctrl))
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ret = "Ctrl + " + ret;
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if (Modifiers.HasModifier(Modifiers.Meta))
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ret = (Platform.CurrentPlatform == PlatformType.OSX ? "Cmd + " : "Meta + ") + ret;
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return ret;
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}
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}
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}
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