Change icon and name

UI/AppSettingsWindow.xaml.cs

@@ -0,0 +1,107 @@
+using System.Drawing;
+using System.IO;
+using System.Runtime.InteropServices;
+using System.Windows;
+using FoxBrowser.Core;
+
+namespace FoxBrowser.UI;
+
+public partial class AppSettingsWindow : Window
+{
+    private readonly Action<AppSettings> _apply;
+    private string? _iconPath;
+
+    public AppSettingsWindow(AppSettings current, Action<AppSettings> apply)
+    {
+        InitializeComponent();
+        _apply = apply;
+        NameBox.Text = current.AppDisplayName;
+        _iconPath = current.AppIconPath;
+        UpdateIconPathText();
+    }
+
+    private void ChooseIcon_Click(object sender, RoutedEventArgs e)
+    {
+        var dialog = new Microsoft.Win32.OpenFileDialog
+        {
+            Title = "Оберіть іконку застосунку",
+            Filter = "Зображення та іконки (*.ico;*.png;*.jpg;*.jpeg)|*.ico;*.png;*.jpg;*.jpeg|Усі файли (*.*)|*.*",
+            CheckFileExists = true
+        };
+        if (dialog.ShowDialog(this) != true) return;
+
+        try
+        {
+            _iconPath = AppIconConverter.CopyAsPortableIcon(dialog.FileName);
+            UpdateIconPathText();
+        }
+        catch (Exception ex)
+        {
+            System.Windows.MessageBox.Show(this, $"Не вдалося підготувати іконку: {ex.Message}", "Іконка", MessageBoxButton.OK, MessageBoxImage.Error);
+        }
+    }
+
+    private void Save_Click(object sender, RoutedEventArgs e)
+    {
+        var name = NameBox.Text.Trim();
+        if (name.Length == 0) name = "FoxBrowser";
+        try
+        {
+            var settings = new AppSettings { AppDisplayName = name, AppIconPath = _iconPath };
+            AppSettingsStore.Save(settings);
+            _apply(settings);
+            DialogResult = true;
+        }
+        catch (Exception ex)
+        {
+            System.Windows.MessageBox.Show(this, $"Не вдалося зберегти налаштування: {ex.Message}", "Налаштування", MessageBoxButton.OK, MessageBoxImage.Error);
+        }
+    }
+
+    private void Reset_Click(object sender, RoutedEventArgs e)
+    {
+        NameBox.Text = "FoxBrowser";
+        _iconPath = null;
+        try { File.Delete(Path.Combine(AppContext.BaseDirectory, "custom_icon.ico")); } catch { }
+        UpdateIconPathText();
+    }
+
+    private void Cancel_Click(object sender, RoutedEventArgs e) => Close();
+
+    private void UpdateIconPathText() => IconPathText.Text = string.IsNullOrWhiteSpace(_iconPath) ? "Вбудована іконка" : Path.GetFileName(_iconPath);
+}
+
+internal static class AppIconConverter
+{
+    private const string PortableIconName = "custom_icon.ico";
+
+    public static string CopyAsPortableIcon(string sourcePath)
+    {
+        var destination = Path.Combine(AppContext.BaseDirectory, PortableIconName);
+        var extension = Path.GetExtension(sourcePath);
+        if (extension.Equals(".ico", StringComparison.OrdinalIgnoreCase))
+        {
+            if (string.Equals(Path.GetFullPath(sourcePath), Path.GetFullPath(destination), StringComparison.OrdinalIgnoreCase))
+                return destination;
+            File.Copy(sourcePath, destination, overwrite: true);
+            return destination;
+        }
+
+        using var bitmap = new Bitmap(sourcePath);
+        var handle = bitmap.GetHicon();
+        try
+        {
+            using var icon = Icon.FromHandle(handle);
+            using var stream = File.Create(destination);
+            icon.Save(stream);
+        }
+        finally
+        {
+            DestroyIcon(handle);
+        }
+        return destination;
+    }
+
+    [DllImport("user32.dll", SetLastError = true)]
+    private static extern bool DestroyIcon(nint handle);
+}