Some fixes

MainWindow.xaml.cs

@@ -2,9 +2,11 @@ using System.Collections.ObjectModel;
 using System.Diagnostics;
 using System.Globalization;
 using System.IO;
+using System.Runtime.InteropServices;
 using System.Text;
 using System.Windows;
 using System.Windows.Controls;
+using System.Windows.Interop;
 using AmigaDB.VideoRenderer.Models;
 using AmigaDB.VideoRenderer.Services;
 using Microsoft.Win32;
@@ -21,6 +23,8 @@ public partial class MainWindow : Window
     private CancellationTokenSource? _renderCancellation;
     private string? _lastRenderedFile;
     private bool _logFlushScheduled;
+    private bool _titleBarIsLight;
+    private bool _exitConfirmed;
 
     public MainWindow()
     {
@@ -39,7 +43,47 @@ public partial class MainWindow : Window
         SelectEncoder(_loadedSettings.Encoder);
         SelectTheme(_loadedSettings.Theme);
         ApplyTheme(_loadedSettings.Theme);
-        Closing += (_, _) => SaveSettings();
+        MoveSourcesBox.IsChecked = _loadedSettings.ShouldMoveSourcesToOriginals;
+        Closing += MainWindow_Closing;
+        SourceInitialized += (_, _) => UpdateTitleBarTheme(_titleBarIsLight);
+        StateChanged += (_, _) => MaximizeButton.Content = WindowState == WindowState.Maximized ? "\uE923" : "\uE922";
+    }
+
+    private void Minimize_Click(object sender, RoutedEventArgs e) => WindowState = WindowState.Minimized;
+
+    private void MaximizeRestore_Click(object sender, RoutedEventArgs e)
+        => WindowState = WindowState == WindowState.Maximized ? WindowState.Normal : WindowState.Maximized;
+
+    private void CloseWindowButton_Click(object sender, RoutedEventArgs e) => Close();
+
+    private void MainWindow_Closing(object? sender, System.ComponentModel.CancelEventArgs e)
+    {
+        if (_exitConfirmed) return;
+        e.Cancel = true;
+        ExitConfirmOverlay.Visibility = Visibility.Visible;
+    }
+
+    private void CancelExit_Click(object sender, RoutedEventArgs e) => ExitConfirmOverlay.Visibility = Visibility.Collapsed;
+
+    private void ConfirmExit_Click(object sender, RoutedEventArgs e)
+    {
+        _exitConfirmed = true;
+        SaveSettings();
+        Close();
+    }
+
+    private void InputList_DragEnter(object sender, DragEventArgs e)
+    {
+        e.Effects = e.Data.GetDataPresent(DataFormats.FileDrop) ? DragDropEffects.Copy : DragDropEffects.None;
+        e.Handled = true;
+    }
+
+    private void InputList_Drop(object sender, DragEventArgs e)
+    {
+        if (!e.Data.GetDataPresent(DataFormats.FileDrop)) return;
+        string[] files = (string[])e.Data.GetData(DataFormats.FileDrop)!;
+        foreach (string file in files.Where(f => string.Equals(Path.GetExtension(f), ".avi", StringComparison.OrdinalIgnoreCase)).OrderBy(NaturalKey))
+            if (!_inputs.Contains(file, StringComparer.OrdinalIgnoreCase)) _inputs.Add(file);
     }
 
     private void AddInputs_Click(object sender, RoutedEventArgs e)
@@ -100,7 +144,8 @@ public partial class MainWindow : Window
             LogBox.Clear();
             _renderCancellation = new CancellationTokenSource();
             Progress<RenderProgress> progress = new(UpdateProgress);
-            await new RenderPipeline().RenderAsync(settings, progress, AppendLog, _renderCancellation.Token);
+            IReadOnlyList<string> resolvedInputs = await new RenderPipeline().RenderAsync(settings, progress, AppendLog, _renderCancellation.Token);
+            ReplaceInputs(resolvedInputs);
             _lastRenderedFile = Path.Combine(settings.OutputDirectory, settings.OutputName + "_final.mp4");
             OpenOutputButton.IsEnabled = true;
             PreviewRenderedButton.IsEnabled = File.Exists(_lastRenderedFile);
@@ -138,7 +183,15 @@ public partial class MainWindow : Window
         EncoderMode encoder = Enum.Parse<EncoderMode>(((ComboBoxItem)EncoderBox.SelectedItem).Tag!.ToString()!);
         return new(_inputs.ToList(), EndCardBox.Text.Trim(), OutputFolderBox.Text.Trim(), OutputNameBox.Text.Trim(),
             FfmpegPathBox.Text.Trim(), FfprobePathBox.Text.Trim(),
-            encoder, Number(TrimBox.Text, "trim start"), Number(FadeBox.Text, "fade"), Number(HoldBox.Text, "end-card hold"), interval);
+            encoder, Number(TrimBox.Text, "trim start"), Number(FadeBox.Text, "fade"), Number(HoldBox.Text, "end-card hold"), interval,
+            MoveSourcesBox.IsChecked == true);
+    }
+
+    private void ReplaceInputs(IReadOnlyList<string> paths)
+    {
+        _inputs.Clear();
+        foreach (string path in paths)
+            _inputs.Add(path);
     }
 
     private void Cancel_Click(object sender, RoutedEventArgs e)
@@ -242,7 +295,8 @@ public partial class MainWindow : Window
             TrimBox.Text.Trim(),
             FadeBox.Text.Trim(),
             HoldBox.Text.Trim(),
-            IntervalBox.Text.Trim()));
+            IntervalBox.Text.Trim(),
+            MoveSourcesBox.IsChecked == true));
     }
 
     private void OpenPreview(string mediaPath)
@@ -332,10 +386,40 @@ public partial class MainWindow : Window
         SetBrush("PrimaryTextBrush", light ? "#FFFFFF" : "#07111D");
         SetBrush("SelectionBrush", light ? "#BEE4FF" : "#295C87");
         SetBrush("SelectionTextBrush", light ? "#122033" : "#FFFFFF");
+
+        _titleBarIsLight = light;
+        UpdateTitleBarTheme(light);
     }
 
     private void SetBrush(string key, string color)
     {
         Application.Current.Resources[key] = new SolidColorBrush((Color)ColorConverter.ConvertFromString(color));
     }
+
+    private void UpdateTitleBarTheme(bool light)
+    {
+        IntPtr hwnd = new WindowInteropHelper(this).Handle;
+        if (hwnd == IntPtr.Zero) return;
+
+        int useImmersiveDarkMode = light ? 0 : 1;
+        DwmSetWindowAttribute(hwnd, DWMWA_USE_IMMERSIVE_DARK_MODE, ref useImmersiveDarkMode, sizeof(int));
+
+        int captionColor = ToColorRef(light ? "#F4F7FB" : "#0E1525");
+        int textColor = ToColorRef(light ? "#122033" : "#F5F7FB");
+        DwmSetWindowAttribute(hwnd, DWMWA_CAPTION_COLOR, ref captionColor, sizeof(int));
+        DwmSetWindowAttribute(hwnd, DWMWA_TEXT_COLOR, ref textColor, sizeof(int));
+    }
+
+    private static int ToColorRef(string hexColor)
+    {
+        Color color = (Color)ColorConverter.ConvertFromString(hexColor);
+        return color.R | (color.G << 8) | (color.B << 16);
+    }
+
+    private const int DWMWA_USE_IMMERSIVE_DARK_MODE = 20;
+    private const int DWMWA_CAPTION_COLOR = 35;
+    private const int DWMWA_TEXT_COLOR = 36;
+
+    [DllImport("dwmapi.dll", PreserveSig = true)]
+    private static extern int DwmSetWindowAttribute(IntPtr hwnd, int attribute, ref int value, int size);
 }