Merge pull request #2 from winggar/hotkey

Hotkey

Config.cs

@@ -0,0 +1,12 @@
+namespace Iksokodo;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using WK.Libraries.HotkeyListenerNS;
+
+internal record Config
+{
+	public Hotkey ToggleHotkey { get; set; } = new(Keys.Alt, Keys.E);
+}

EnterHotkeyForm.cs

@@ -0,0 +1,26 @@
+namespace Iksokodo;
+using System;
+using System.Collections.Generic;
+using System.ComponentModel;
+using System.Data;
+using System.Drawing;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using System.Windows.Forms;
+
+public partial class EnterHotkeyForm : Form
+{
+	public EnterHotkeyForm()
+	{
+		InitializeComponent();
+	}
+
+	private void SubmitButton_Click(object sender, EventArgs e)
+	{
+		HotkeyManager.UpdateHotkey(HotkeyTextBox.Text);
+		Close();
+	}
+
+	public Control GetHotkeyTextbox() => HotkeyTextBox;
+}

HotKeyManager.cs

@@ -0,0 +1,57 @@
+namespace Iksokodo;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Runtime.InteropServices;
+using System.Text;
+using System.Threading.Tasks;
+using WK.Libraries.HotkeyListenerNS;
+
+internal static class HotkeyManager
+{
+	static HotkeyListener _listener;
+	static Action<object, EventArgs> _action;
+	static Hotkey _hotkey;
+
+    public static void RegisterHotkey(Action<object, EventArgs> action)
+	{
+		_listener = new();
+		_action = action;
+
+		_hotkey = Program.Config.ToggleHotkey;
+
+		_listener.Add(_hotkey);
+
+		_listener.HotkeyPressed += (_, e) =>
+		{
+			if (e.Hotkey == _hotkey)
+			{
+				_action(null, null);
+			}
+		};
+	}
+
+	public static void EnableSelector(Control control) => new HotkeySelector().Enable(control);
+
+	public static void UpdateHotkey(string s)
+	{
+		Hotkey newHotkey;
+
+		try
+		{
+			newHotkey = new(s);
+		}
+		catch (Exception ex)
+		{
+			MessageBox.Show($"Change hotkey failed.\n{ex}", "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
+			throw;
+		}
+
+		_listener.Update(_hotkey, newHotkey);
+
+		_hotkey = newHotkey;
+		Program.Config.ToggleHotkey = newHotkey;
+
+		Program.SaveConfig();
+	}
+}

Iksokodo.csproj

@@ -24,6 +24,7 @@
 
   <ItemGroup>
     <PackageReference Include="H.InputSimulator" Version="1.2.1" />
+    <PackageReference Include="HotkeyListener" Version="1.9.0" />
   </ItemGroup>
 
   <ItemGroup>

Program.cs

@@ -1,15 +1,29 @@
 namespace Iksokodo;
+using System.Text.Json;
+
 internal static class Program
 {
+	public static Config Config { get; private set; }
+	public const string CONFIG_PATH = @"config.json";
+
 	[STAThread]
 	static void Main()
 	{
 		ApplicationConfiguration.Initialize();
 
+		if (!File.Exists(CONFIG_PATH))
+		{
+			Config = new Config();
+			SaveConfig();
+		}
+		else Config = JsonSerializer.Deserialize<Config>(File.ReadAllText(CONFIG_PATH));
+
 		SystemTrayProcess taskBarProcess = new();
 
 		AppDomain.CurrentDomain.ProcessExit += new EventHandler(taskBarProcess.Exit);
 
 		Application.Run(taskBarProcess);
 	}
+
+	public static void SaveConfig() => File.WriteAllText(CONFIG_PATH, JsonSerializer.Serialize(Config));
 }

SystemTrayProcess.cs

@@ -9,12 +9,12 @@ internal class SystemTrayProcess : ApplicationContext
     private static readonly Icon _normal = new("iksokodo.ico"), _suspended = new("iksokodo_suspend.ico");
 
     private readonly NotifyIcon _trayIcon;
-	private readonly ToolStripMenuItem _toggleButton, _exitButton;
+	private readonly ToolStripMenuItem _toggleButton, _changeHotkeyButton, _exitButton;
 
     private readonly Converter _converter;
     private readonly Timer _timer;
 
-    private const string PAUSE_MESSAGE = "Pause", RESUME_MESSAGE = "Resume", EXIT_MESSAGE = "Exit";
+    private const string PAUSE_MESSAGE = "Pause", RESUME_MESSAGE = "Resume", CHANGE_HOTKEY_MESSAGE = "Change Hotkey", EXIT_MESSAGE = "Exit";
 
     internal SystemTrayProcess()
     {
@@ -26,16 +26,24 @@ internal SystemTrayProcess()
             Text = PAUSE_MESSAGE,
         };
 
+        _changeHotkeyButton = new()
+        {
+            Name = CHANGE_HOTKEY_MESSAGE,
+            Text = CHANGE_HOTKEY_MESSAGE,
+        };
+
         _exitButton = new()
         {
             Name = EXIT_MESSAGE,
             Text = EXIT_MESSAGE,
         };
 
         _toggleButton.Click += new EventHandler(ToggleLoop);
+        _changeHotkeyButton.Click += new EventHandler(ChangeHotkey);
         _exitButton.Click += new EventHandler(Exit);
 
         menuStrip.Items.Add(_toggleButton);
+        menuStrip.Items.Add(_changeHotkeyButton);
         menuStrip.Items.Add(_exitButton);
 
         _trayIcon = new()
@@ -50,6 +58,8 @@ internal SystemTrayProcess()
 
         _converter = new();
 
+        HotkeyManager.RegisterHotkey(ToggleLoop);
+
         _timer = new() { Interval = 10 };
         _timer.Elapsed += (object _, ElapsedEventArgs _) => _converter.Convert();
         _timer.Start();
@@ -84,6 +94,15 @@ private void ToggleLoop(object sender, EventArgs e)
         _converter.Paused = !wasPaused;
     }
 
+    private void ChangeHotkey(object sender, EventArgs e)
+	{
+        EnterHotkeyForm form = new();
+
+        HotkeyManager.EnableSelector(form.GetHotkeyTextbox());
+
+        form.Show();
+    }
+
     internal void Exit(object sender, EventArgs e)
     {
         _trayIcon.Visible = false;