Change icon and name

UI/AppSettingsWindow.xaml

@@ -0,0 +1,34 @@
+<Window x:Class="FoxBrowser.UI.AppSettingsWindow"
+        xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
+        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+        Title="Назва та іконка FoxBrowser" Width="540" Height="270"
+        MinWidth="480" Background="#15171A" Foreground="#F2F4F7"
+        WindowStartupLocation="CenterOwner" ResizeMode="NoResize">
+    <Grid Margin="20">
+        <Grid.RowDefinitions>
+            <RowDefinition Height="Auto" />
+            <RowDefinition Height="Auto" />
+            <RowDefinition Height="Auto" />
+            <RowDefinition Height="*" />
+            <RowDefinition Height="Auto" />
+        </Grid.RowDefinitions>
+        <TextBlock Text="Назва та іконка застосунку" FontSize="18" FontWeight="SemiBold" Margin="0,0,0,18" />
+        <Grid Grid.Row="1" Margin="0,0,0,12">
+            <Grid.ColumnDefinitions><ColumnDefinition Width="140" /><ColumnDefinition Width="*" /></Grid.ColumnDefinitions>
+            <TextBlock Text="Назва:" VerticalAlignment="Center" />
+            <TextBox x:Name="NameBox" Grid.Column="1" />
+        </Grid>
+        <Grid Grid.Row="2" Margin="0,0,0,8">
+            <Grid.ColumnDefinitions><ColumnDefinition Width="140" /><ColumnDefinition Width="*" /><ColumnDefinition Width="Auto" /></Grid.ColumnDefinitions>
+            <TextBlock Text="Іконка:" VerticalAlignment="Center" />
+            <TextBlock x:Name="IconPathText" Grid.Column="1" VerticalAlignment="Center" Foreground="#AEB4BE" TextTrimming="CharacterEllipsis" />
+            <Button Grid.Column="2" Content="Обрати іконку…" Click="ChooseIcon_Click" Padding="10,5" Margin="10,0,0,0" />
+        </Grid>
+        <TextBlock Grid.Row="3" Text="PNG і JPG автоматично конвертуються у custom_icon.ico поруч із FoxBrowser.exe." Foreground="#AEB4BE" TextWrapping="Wrap" Margin="0,4,0,0" />
+        <StackPanel Grid.Row="4" Orientation="Horizontal" HorizontalAlignment="Right" Margin="0,18,0,0">
+            <Button Content="Скинути до стандартного" Click="Reset_Click" Padding="10,6" Margin="0,0,8,0" />
+            <Button Content="Скасувати" Click="Cancel_Click" Padding="10,6" Margin="0,0,8,0" />
+            <Button Content="Зберегти" Click="Save_Click" Padding="14,6" />
+        </StackPanel>
+    </Grid>
+</Window>

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);
+}

UI/TrayIconManager.cs

@@ -9,28 +9,22 @@ public sealed class TrayIconManager : IDisposable
     private readonly Forms.NotifyIcon _icon;
     private readonly Window _window;
     private readonly Action _exit;
+    private Icon? _ownedIcon;
 
     public TrayIconManager(Window window, Action exit)
     {
         _window = window;
         _exit = exit;
 
-        Icon? icon = null;
-        try
-        {
-            var icoPath = System.IO.Path.Combine(AppContext.BaseDirectory, "FoxBrowser.ico");
-            if (System.IO.File.Exists(icoPath)) icon = new Icon(icoPath);
-        }
-        catch { }
-
         _icon = new Forms.NotifyIcon
         {
-            Icon = icon ?? SystemIcons.Application,
-            Text = "FoxBrowser",
+            Icon = SystemIcons.Application,
+            Text = window.Title,
             Visible = true,
             ContextMenuStrip = BuildMenu()
         };
         _icon.MouseClick += OnMouseClick;
+        UpdateIdentity(window.Title, System.IO.Path.Combine(AppContext.BaseDirectory, "FoxBrowser.ico"));
     }
 
     public void MinimizeToTray()
@@ -58,6 +52,23 @@ public sealed class TrayIconManager : IDisposable
         _icon.MouseClick -= OnMouseClick;
         _icon.Visible = false;
         _icon.Dispose();
+        _ownedIcon?.Dispose();
+    }
+
+    public void UpdateIdentity(string displayName, string iconPath)
+    {
+        try
+        {
+            Icon? next = null;
+            if (System.IO.File.Exists(iconPath)) next = new Icon(iconPath);
+            var old = _ownedIcon;
+            _ownedIcon = next;
+            _icon.Icon = next ?? SystemIcons.Application;
+            old?.Dispose();
+        }
+        catch { }
+
+        _icon.Text = string.IsNullOrWhiteSpace(displayName) ? "FoxBrowser" : displayName[..Math.Min(63, displayName.Length)];
     }
 
     private void OnMouseClick(object? sender, Forms.MouseEventArgs e)