Try some more algorithms

We got the black background, receipt foreground working, but this is a limited test case. I do not have something working in the general case nor the expertise to know how to do that.

TODO.txt

@@ -1,3 +1,22 @@
+-Add ImageMagick attribution to about page
+-auto detect receipts in an image and auto-crop?
+    -https://imagemagick.org/api/feature.php#gsc.tab=0 canny edge image
+    -https://blog.jiayu.co/2019/05/edge-detection-with-imagemagick/
+    -https://pyimagesearch.com/2021/10/27/automatically-ocring-receipts-and-scans/ using open CV
+    -https://www.kaggle.com/code/dmitryyemelyanov/receipt-ocr-part-1-image-segmentation-by-opencv manip done before edge detect
+    -https://www.luisllamas.es/en/how-to-use-opencv-in-net-with-opencvsharp/ (some basic code but also line detect)
+    -opencv for macOS? https://www.nuget.org/packages/OpenCvSharp4.runtime.osx.10.15-universal
+        macOS arm64: https://www.nuget.org/packages/OpenCvSharp4.runtime.osx_arm64/4.8.1-rc
+        -can use the normal nuget for windows, linnux
+        -if we can get openCV working then we can probably hack something together...
+        -https://github.com/shimat/opencvsharp/issues/949 -- requires ffmpeg?!
+        -https://github.com/shimat/opencvsharp
+    -https://www.emgu.com/wiki/index.php?title=Main_Page (GPL...)
+    -https://stackoverflow.com/questions/30296710/detecting-paper-edge-and-crop-it
+    //https://developers.goalist.co.jp/entry/2019/02/13/150126
+
+
+---------------
 *-add more items
 *-save last opened folder to settings somewhere
 
@@ -21,4 +40,5 @@
 ---Publishing---
 *-Published app has unneeded .DSYM file (fixed via .app builder)
 *-Published app has Assets folder already copied to it; don't want that in output macOS folder but it's being copied there anyway (fixed via .app builder)
-*-macOS x64 build
+*-macOS x64 build
+

installers/WindowsInstallerScript.iss

@@ -3,7 +3,7 @@
 ; Non-commercial use only
 
 #define MyAppName "MayShow"
-#define MyAppVersion "1.1.0"
+#define MyAppVersion "1.2.0"
 #define MyAppPublisher "Quickity Quack Productions"
 #define MyAppExeName "MayShow.exe"
 

src/App.axaml

@@ -100,6 +100,12 @@
         <DataTemplate DataType="{x:Type viewModels:WarningViewModel}">
             <views:WarningView/>
         </DataTemplate>
+        <DataTemplate DataType="{x:Type viewModels:ShutdownCheckViewModel}">
+            <views:ShutdownCheckView/>
+        </DataTemplate>
+        <DataTemplate DataType="{x:Type viewModels:ConfirmViewModel}">
+            <views:ConfirmView/>
+        </DataTemplate>
     </Application.DataTemplates>
     <Application.Resources>
         <ResourceDictionary>

src/Directory.Build.props

@@ -1,5 +1,5 @@
 <Project>
    <PropertyGroup>
-	   <AvaloniaVersion>12.0.0-preview1</AvaloniaVersion>
+	   <AvaloniaVersion>11.3.12</AvaloniaVersion>
    </PropertyGroup>
 </Project>

src/Helpers/Constants.cs

@@ -5,7 +5,10 @@ namespace MayShow.Helpers;
 
 class Constants
 {
-    public static string AppVersion = "1.1.0";
+    public static string AppVersion = "1.2.0";
+
+    public static string[] AllowedFileExtensionPatterns = [ "*.png", "*.jpg", "*.jpeg", "*.gif", "*.bmp", "*.webp", "*.pdf", "*.heic", ];
+    public static string[] AllowedFileExtensionsNoStar = [ "png", "jpg", "jpeg", "gif", "bmp", "webp", "pdf", "heic", ];
 
     public static string[] GetQuotes()
     {

src/Interfaces/ICanCheckShutdown.cs

@@ -0,0 +1,8 @@
+using System.Threading.Tasks;
+
+namespace MayShow.Interfaces;
+
+interface ICanCheckShutdown
+{
+    Task<bool> CheckIsSafeToShutdown();
+}

src/Interfaces/IChangeViewModel.cs

@@ -1,10 +1,9 @@
 using MayShow.ViewModels;
 
-namespace MayShow.Interfaces
+namespace MayShow.Interfaces;
+
+interface IChangeViewModel
 {
-    interface IChangeViewModel
-    {
-        void PushViewModel(BaseViewModel model);
-        void PopViewModel();
-    }
+    void PushViewModel(BaseViewModel model);
+    void PopViewModel();
 }

src/Interfaces/ITopLevelGrabber.cs

@@ -1,9 +1,8 @@
 using Avalonia.Controls;
 
-namespace MayShow.Interfaces
+namespace MayShow.Interfaces;
+
+interface ITopLevelGrabber
 {
-    interface ITopLevelGrabber
-    {
-        TopLevel GetTopLevel();
-    }
+    TopLevel GetTopLevel();
 }

src/MainWindow.axaml

@@ -13,7 +13,8 @@
         Height="650"
         MinHeight="550">
     <dialogHost:DialogHost CloseOnClickAway="False" 
-                           Identifier="DialogHost">
+                           Identifier="DialogHost"
+                           x:Name="WindowDialogHost">
         <dialogHost:DialogHost.DialogContent>
             <StackPanel/>
         </dialogHost:DialogHost.DialogContent>

src/MainWindow.axaml.cs

@@ -1,4 +1,9 @@
+using System;
+using System.Threading.Tasks;
+using Avalonia;
 using Avalonia.Controls;
+using Avalonia.Controls.ApplicationLifetimes;
+using DialogHostAvalonia;
 using MayShow.Interfaces;
 using MayShow.ViewModels;
 
@@ -10,6 +15,60 @@ public partial class MainWindow : Window, ITopLevelGrabber
     {
         InitializeComponent();
         DataContext = new MainWindowViewModel(this);
+
+        Closing += WindowIsClosing;
+
+        var lifetime = Application.Current?.ApplicationLifetime as IClassicDesktopStyleApplicationLifetime;
+        // lifetime?.ShutdownRequested += ApplicationIsShuttingDown;
+    }
+
+    private async void WindowIsClosing(object? sender, WindowClosingEventArgs e)
+    {
+        e.Cancel = true; // async -> need to cancel immediately
+        if (await CheckIfClosePossible())
+        {
+            Closing -= WindowIsClosing;
+            var lifetime = Application.Current?.ApplicationLifetime as IClassicDesktopStyleApplicationLifetime;
+            lifetime?.ShutdownRequested -= ApplicationIsShuttingDown;
+            Close();
+        }
+    }
+
+    private async void ApplicationIsShuttingDown(object? sender, ShutdownRequestedEventArgs e)
+    {
+        e.Cancel = true; // async -> need to cancel immediately
+        if (await CheckIfClosePossible())
+        {
+            Closing -= WindowIsClosing;
+            var lifetime = Application.Current?.ApplicationLifetime as IClassicDesktopStyleApplicationLifetime;
+            lifetime?.ShutdownRequested -= ApplicationIsShuttingDown;
+            lifetime?.TryShutdown();
+        }
+    }
+
+    private async Task<bool> CheckIfClosePossible()
+    {
+        var canShutdown = true;
+        if (DataContext is MainWindowViewModel mwvm)
+        {
+            if (mwvm is ICanCheckShutdown canCheck)
+            {
+                canShutdown = await canCheck.CheckIsSafeToShutdown();
+            }
+            // only checking 1 level but for this app that is OK
+            if (canShutdown && mwvm.CurrentViewModel is ICanCheckShutdown currModel)
+            {
+                try
+                {
+                    canShutdown = await currModel.CheckIsSafeToShutdown();
+                }
+                catch (Exception)
+                {
+                    canShutdown = true;
+                }
+            }
+        }
+        return canShutdown;
     }
 
     public TopLevel GetTopLevel()

src/MayShow.csproj

@@ -12,7 +12,7 @@
     <PublishTrimmed>true</PublishTrimmed>
     <PublishAot>true</PublishAot>
     <AssemblyName>MayShow</AssemblyName>
-    <AssemblyVersion>1.1.0</AssemblyVersion> <!-- Also update Constants version -->
+    <AssemblyVersion>1.2.0</AssemblyVersion> <!-- Also update Constants version -->
     <ApplicationIcon>MayShow-icon.ico</ApplicationIcon>
   </PropertyGroup>
   <ItemGroup>
@@ -42,10 +42,18 @@
     <PackageReference Include="Avalonia.Themes.Fluent" Version="$(AvaloniaVersion)" />
     <PackageReference Include="Avalonia.Fonts.Inter" Version="$(AvaloniaVersion)" />
     <PackageReference Include="Avalonia.Controls.DataGrid" Version="$(AvaloniaVersion)" />
+    <PackageReference Include="Avalonia.Diagnostics" Version="$(AvaloniaVersion)">
+      <IncludeAssets Condition="'$(Configuration)' != 'Debug'">None</IncludeAssets>
+      <PrivateAssets Condition="'$(Configuration)' != 'Debug'">All</PrivateAssets>
+    </PackageReference>
     <PackageReference Include="PDFsharp-MigraDoc" Version="6.2.3" />
-    <PackageReference Include="Magick.NET-Q16-AnyCPU" Version="14.10.2" />
-    <PackageReference Include="Deadpikle.AvaloniaProgressRing" Version="0.11.0-preview20260220" />
-    <PackageReference Include="DialogHost.Avalonia" Version="0.10.4-avalonia12" />
+    <PackageReference Include="Magick.NET-Q8-AnyCPU" Version="14.10.3" />
+    <PackageReference Include="Deadpikle.AvaloniaProgressRing" Version="0.10.11-preview20251127001" />
+    <PackageReference Include="DialogHost.Avalonia" Version="0.10.4" />
     <PackageReference Include="Xaml.Behaviors.Interactions.DragAndDrop.DataGrid" Version="11.3.9.5" />
+    <PackageReference Include="OpenCvSharp4" Version="4.13.0.20260226" />
+  </ItemGroup>
+  <ItemGroup Condition=" '$([System.Runtime.InteropServices.RuntimeInformation]::IsOSPlatform($([System.Runtime.InteropServices.OSPlatform]::OSX)))'  ">
+    <PackageReference Include="OpenCvSharp4.runtime.osx.10.15-universal" Version="4.7.0.20230224" />
   </ItemGroup>
 </Project>

src/Models/Settings.cs

@@ -34,7 +34,7 @@ class Settings : ChangeNotifier
     {
         var path = Path.Combine(
             Environment.GetFolderPath(Environment.SpecialFolder.ApplicationData),
-            "ReceiptPDFBuilder" // legacy name for existing settings prior to app name change
+            "MayShow"
         );
         if (!Directory.Exists(path))
         {

src/Models/ShutdownCheckOptions.cs

@@ -0,0 +1,8 @@
+namespace MayShow.Models;
+
+enum ShutdownCheckOptions
+{
+    SaveAndShutdown,
+    NoSaveShutdown,
+    CancelShutdown,
+}

src/ViewModels/ConfirmViewModel.cs

@@ -0,0 +1,52 @@
+#nullable enable
+
+using DialogHostAvalonia;
+using MayShow.Helpers;
+
+namespace MayShow.ViewModels;
+
+class ConfirmViewModel
+{
+    private string _title;
+    private string _message;
+    private string _confirmTitle;
+    private string _declineTitle;
+
+    public ConfirmViewModel(string title, string message, string confirmTitle = "Yes", string declineTitle = "No")
+    {
+        _title = title;
+        _message = message;
+        _confirmTitle = confirmTitle;
+        _declineTitle = declineTitle;
+    }
+
+    public string Title
+    {
+        get => _title;
+    }
+
+    public string Message
+    {
+        get => _message;
+    }
+
+    public string ConfirmTitle
+    {
+        get => _confirmTitle;
+    }
+
+    public string DeclineTitle
+    {
+        get => _declineTitle;
+    }
+
+    public void Confirm()
+    {
+        DialogHost.Close("DialogHost", true);
+    }
+
+    public void Decline()
+    {
+        DialogHost.Close("DialogHost", false);
+    }
+}

src/ViewModels/MainViewModel.cs

@@ -20,11 +20,16 @@ using MayShow.Helpers;
 using MayShow.Interfaces;
 using MayShow.Models;
 using MayShows.Helpers;
+using OpenCvSharp;
+using System.Reflection.Metadata.Ecma335;
+using System.Collections.Generic;
+using System.Threading;
 
 namespace MayShow.ViewModels;
 
-class MainViewModel : BaseViewModel, IFontResolver
+class MainViewModel : BaseViewModel, IFontResolver, ICanCheckShutdown
 {
+    private bool _isPerformingInitialLoad;
     private string _processDir;
     private bool _isCreatingPDF;
     private string _createPDFLog;
@@ -36,21 +41,24 @@ class MainViewModel : BaseViewModel, IFontResolver
 
     private Settings _settings;
 
+    private bool _hasUnsavedWork;
+
     public MainViewModel(IChangeViewModel viewModelChanger) : base(viewModelChanger)
     {
+        _isPerformingInitialLoad = true;
         _processDir = Path.GetDirectoryName(Environment.ProcessPath) ?? "";
         Console.WriteLine("Process is running from: {0}", _processDir);
         _isCreatingPDF = false;
         var quotes = Constants.GetQuotes();
         Random random = new Random();
         var quoteIndex = random.Next(0, quotes.Length);
-        _createPDFLog = "----- MayShow v" + Constants.AppVersion + "------" + Environment.NewLine;
+        _createPDFLog = "----- MayShow v" + Constants.AppVersion + " ------" + Environment.NewLine;
         _createPDFLog += quotes[quoteIndex] + Environment.NewLine;
         _createPDFLog += "---------------------------------------" + Environment.NewLine;
-        _createPDFLog += "Ready to create PDF!";
+        _createPDFLog += "Loaded and ready to create report!" + Environment.NewLine;
+        _createPDFLog += "Please copy and send this Program Log when reporting any issues with the software.";
         _workingFolder = "";
-        _reportFiles = new ObservableCollection<ReportFile>();
-        _reportFiles.CollectionChanged += ( sender, e ) => { NotifyPropertyChanged(nameof(IsCreatePDFButtonEnabled)); };
+        ReportFiles = _reportFiles = new ObservableCollection<ReportFile>();
         _reportTitle = "";
         _lastGeneratedTime = null;
         _settings = Settings.LoadSettings();
@@ -59,12 +67,24 @@ class MainViewModel : BaseViewModel, IFontResolver
             LogInfo("Loading data at last used path of {0}", _settings.LastUsedPath);
             ScanFolder(_settings.LastUsedPath);
         }
+        else
+        {
+            LogInfo("Choose a receipt folder to begin...");
+        }
+        HasUnsavedWork = false;
+        _isPerformingInitialLoad = false;
     }
 
     public string ReportTitle
     {
         get => _reportTitle;
-        set { _reportTitle = value; NotifyPropertyChanged(); NotifyPropertyChanged(nameof(IsTitleBoxVisible)); }
+        set 
+        { 
+            _reportTitle = value;
+            NotifyPropertyChanged(); 
+            NotifyPropertyChanged(nameof(IsTitleBoxVisible)); 
+            NotifyPropertyChanged(nameof(CanAddItem)); 
+        }
     }
 
     public bool IsTitleBoxVisible
@@ -72,6 +92,11 @@ class MainViewModel : BaseViewModel, IFontResolver
         get => !string.IsNullOrWhiteSpace(_workingFolder);
     }
 
+    public bool CanAddItem
+    {
+        get => IsTitleBoxVisible && !IsCreatingPDF;
+    }
+
     public bool IsCreatingPDF
     {
         get => _isCreatingPDF;
@@ -81,6 +106,7 @@ class MainViewModel : BaseViewModel, IFontResolver
             NotifyPropertyChanged();
             NotifyPropertyChanged(nameof(IsCreatePDFButtonEnabled)); 
             NotifyPropertyChanged(nameof(HasWorkingFolderAndNotMakingPDF));
+            NotifyPropertyChanged(nameof(CanAddItem)); 
         }
     }
 
@@ -117,6 +143,16 @@ class MainViewModel : BaseViewModel, IFontResolver
         set { _createPDFLog = value; NotifyPropertyChanged(); }
     }
 
+    public bool HasUnsavedWork
+    {
+        get => _hasUnsavedWork;
+        set
+        {
+            _hasUnsavedWork = value;
+            NotifyPropertyChanged();
+        }
+    }
+
     public ObservableCollection<ReportFile> ReportFiles
     {
         get => _reportFiles;
@@ -126,7 +162,8 @@ class MainViewModel : BaseViewModel, IFontResolver
             NotifyPropertyChanged(); 
             _reportFiles.CollectionChanged += ( sender, e ) => 
             { 
-                NotifyPropertyChanged(nameof(IsCreatePDFButtonEnabled)); 
+                NotifyPropertyChanged(nameof(IsCreatePDFButtonEnabled));
+                HasUnsavedWork = true;
             };
         }
     }
@@ -157,6 +194,7 @@ class MainViewModel : BaseViewModel, IFontResolver
                 _settings.LastUsedPath = folder.Path.LocalPath;
                 await _settings.SaveSettingsAsync();
                 ResortPDFItemsByDate();
+                HasUnsavedWork = true;
             }
         }
     }
@@ -167,6 +205,7 @@ class MainViewModel : BaseViewModel, IFontResolver
         {
             WorkingFolder = path;
             NotifyPropertyChanged(nameof(IsTitleBoxVisible));
+            NotifyPropertyChanged(nameof(CanAddItem)); 
             var reportFilePath = Path.Combine(path, GetReportSavedDataFileName());
             var successfullyLoadedPriorReport = false;
             if (File.Exists(reportFilePath))
@@ -195,7 +234,11 @@ class MainViewModel : BaseViewModel, IFontResolver
                 {
                     AddFileBasedOnPath(filePath);
                 }
-                ResortPDFItemsByDate();
+                if (!_isPerformingInitialLoad)
+                {
+                    ResortPDFItemsByDate();
+                }
+                HasUnsavedWork = true;
             }
         }
         else
@@ -221,6 +264,7 @@ class MainViewModel : BaseViewModel, IFontResolver
             if (idx != -1)
             {
                 ReportFiles.RemoveAt(idx);
+                HasUnsavedWork = true;
             }
         }
     }
@@ -236,20 +280,10 @@ class MainViewModel : BaseViewModel, IFontResolver
             file.Title = updatedData.Title;
             file.ReceiptDateTime = updatedData.ReceiptDateTime;
             file.Notes = updatedData.Notes;
+            HasUnsavedWork = true;
         }
     }
 
-    private string[] GetAllowedFileExtensionPatterns()
-    {
-        return [ "*.png", "*.jpg", "*.jpeg", "*.gif", "*.bmp", "*.webp", "*.pdf", "*.heic", ];
-    }
-
-    private string[] GetAllowedFileExtensionPatternsWithoutStar()
-    {
-        var list = GetAllowedFileExtensionPatterns();
-        return list.Select(x => x.Replace("*.", "")).ToArray();
-    }
-
     public async void AddItem()
     {
         var topLevel = TopLevelGrabber?.GetTopLevel();
@@ -262,7 +296,7 @@ class MainViewModel : BaseViewModel, IFontResolver
                 FileTypeFilter = [
                     new FilePickerFileType("All Types")
                     {
-                        Patterns = GetAllowedFileExtensionPatterns(),
+                        Patterns = Constants.AllowedFileExtensionPatterns,
                         AppleUniformTypeIdentifiers = [ "public.image", "com.adobe.pdf", "public.heic" ],
                         MimeTypes = [ "image/*", "application/pdf", "image/heic" ]
                     },
@@ -292,7 +326,7 @@ class MainViewModel : BaseViewModel, IFontResolver
         if (!string.IsNullOrWhiteSpace(filePath) && File.Exists(filePath) && !filePath.EndsWith(".DS_Store"))
         {
             // make sure extensions are OK
-            var fileExtensions = GetAllowedFileExtensionPatternsWithoutStar();
+            var fileExtensions = Constants.AllowedFileExtensionsNoStar;
             var didMatch = false;
             foreach (var fileExtension in fileExtensions)
             {
@@ -304,7 +338,10 @@ class MainViewModel : BaseViewModel, IFontResolver
             }
             if (!didMatch)
             {
-                LogInfo("File {0} did not match allowed file extension types, so it was not added.", filePath);
+                if (!filePath.EndsWith(GetReportSavedDataFileName()))
+                {
+                    LogInfo("File {0} did not match allowed file extension types, so it was not added.", filePath);
+                }
             }
             else
             {
@@ -316,10 +353,22 @@ class MainViewModel : BaseViewModel, IFontResolver
                     Notes = "",
                     FilePath = filePath,
                 });
+                HasUnsavedWork = true;
             }
         }
     }
 
+    public async void RemoveAllItems()
+    {
+        var result = await DialogHost.Show(new ConfirmViewModel("Warning!", "Are you sure you want to remove all items from this report?", "Remove All Items", "Cancel"));
+        if (result != null && (bool)result)
+        {
+            ReportFiles.Clear();
+            HasUnsavedWork = true;
+            NotifyPropertyChanged(nameof(IsCreatePDFButtonEnabled));
+        }
+    }
+
     public void LocateFile(object f) => LocateFileImpl((ReportFile) f);
     public async void LocateFileImpl(ReportFile reportFile)
     {
@@ -333,7 +382,7 @@ class MainViewModel : BaseViewModel, IFontResolver
                 FileTypeFilter = [
                     new FilePickerFileType("All Types")
                     {
-                        Patterns = GetAllowedFileExtensionPatterns(),
+                        Patterns = Constants.AllowedFileExtensionPatterns,
                         AppleUniformTypeIdentifiers = [ "public.image", "com.adobe.pdf", "public.heic" ],
                         MimeTypes = [ "image/*", "application/pdf", "image/heic" ]
                     },
@@ -351,6 +400,7 @@ class MainViewModel : BaseViewModel, IFontResolver
             {
                 var file = files[0];
                 reportFile.FilePath = file.Path.LocalPath;
+                HasUnsavedWork = true;
             }
         }
     }
@@ -389,6 +439,7 @@ class MainViewModel : BaseViewModel, IFontResolver
     {
         LogInfo("Sorting report files list...");
         ReportFiles = new ObservableCollection<ReportFile>(ReportFiles.OrderBy(x => x.ReceiptDateTime));
+        HasUnsavedWork = true;
     }
 
     public async void BuildPDF()
@@ -423,7 +474,7 @@ class MainViewModel : BaseViewModel, IFontResolver
         }
     }
 
-    public async void SaveInterimReportInfo()
+    public async Task SaveInterimReportInfo()
     {
         var report = new PDFReport()
         {
@@ -447,6 +498,7 @@ class MainViewModel : BaseViewModel, IFontResolver
         var savePath = Path.Combine(_workingFolder, GetReportSavedDataFileName());
         await File.WriteAllTextAsync(savePath, json);
         LogInfo("Saved report information to {0}", savePath);
+        HasUnsavedWork = false;
     }
 
     private async Task CreateAndSaveReportObjectAfterReportCreation()
@@ -468,6 +520,190 @@ class MainViewModel : BaseViewModel, IFontResolver
         return "report_data.json";
     }
 
+    public void TestReceiptFinding(object f) => TestReceiptFindingImpl((ReportFile)f);
+
+
+    private Mat? b_algor(ReportFile file)
+    {
+        using var orig = new Mat(file.FilePath);
+        using var src = new Mat(file.FilePath, ImreadModes.Grayscale);
+        if (src.Empty())
+        {
+            LogInfo("File was empty?");
+            return null;
+        }
+        using var blur = orig.GaussianBlur(new Size(5, 5), 0.0);
+        using var kernel = Cv2.GetStructuringElement(MorphShapes.Rect, new Size(9,9));
+        using var dilated = blur.Dilate(kernel, anchor: null, iterations: 4);
+        using var edges = dilated.Canny(100, 200, 3);
+        using var heirarchy = new Mat();
+        Cv2.FindContours(edges, out Mat[] contours, heirarchy, RetrievalModes.External, ContourApproximationModes.ApproxSimple);
+        using var orgWithContours = new Mat();
+        orig.CopyTo(orgWithContours);
+        Cv2.DrawContours(orgWithContours, contours, -1, Scalar.Cyan, 3);
+        // largest contours
+        var largestContours = contours.OrderByDescending(x => x.ContourArea()).Take(1).ToArray();
+        var orgWithLargestContours = new Mat();
+        orig.CopyTo(orgWithLargestContours);
+        Cv2.DrawContours(orgWithLargestContours, largestContours, -1, Scalar.Cyan, 5);
+
+        using (new OpenCvSharp.Window("blur", blur))
+        using (new OpenCvSharp.Window("dilated", dilated))
+        using (new OpenCvSharp.Window("edges", edges))
+        using (new OpenCvSharp.Window("contours", orgWithContours))
+        // using (new OpenCvSharp.Window("w biggest contours", orgWithBiggestContours))
+        {
+            Cv2.WaitKey();
+        }
+
+        return orgWithLargestContours;
+    }
+
+    private void TestReceiptFindingImpl(ReportFile file)
+    {
+        LogInfo("Running receipt edge detection on file at path {0} with OpenCV {1}...", file.FilePath, Cv2.GetVersionString() ?? "");
+        using var orig = new Mat(file.FilePath);
+        using var src = new Mat(file.FilePath, ImreadModes.Grayscale);
+        using var dst = new Mat();
+        using var wContours = new Mat();
+        if (src.Empty())
+        {
+            LogInfo("File was empty?");
+            return;
+        }
+        var threshold = src.Threshold(90,255, ThresholdTypes.Binary);
+        
+        var blur = orig.GaussianBlur(new Size(3.0, 3.0), 0.0);
+        var kernel = Cv2.GetStructuringElement(MorphShapes.Rect, new Size(9,9));
+        var dilated = blur.Dilate(kernel, null, 1);
+        var edges = dilated.Canny(50, 200, 3);
+        //# Detect all contours in Canny-edged image
+        using var heirarchy = new Mat();
+        Cv2.FindContours(threshold, out Mat[] contours, heirarchy, RetrievalModes.External, ContourApproximationModes.ApproxSimple);
+        var orgWithContours = new Mat();
+        orig.CopyTo(orgWithContours);
+        Cv2.DrawContours(orgWithContours, contours, -1, Scalar.Cyan, 3);
+        // # find full contours
+
+        var poly = new List<Mat>();
+        foreach (var contour in contours)
+        {
+            var hull = contour.ConvexHull();
+            poly.Add(hull.ApproxPolyDP(0.01 * Cv2.ArcLength(hull, true), false));
+        }
+        Console.WriteLine("How many? {0}", poly.Count);
+        var orgWithAllPly = new Mat();
+        orig.CopyTo(orgWithAllPly);
+        Cv2.DrawContours(orgWithAllPly, poly, -1, Scalar.Red, 3);
+
+        var largestPoly = poly.OrderByDescending(x => x.ContourArea()).Take(10).ToArray();
+        var orgWithLargestContoursPly = new Mat();
+        orig.CopyTo(orgWithLargestContoursPly);
+        Cv2.DrawContours(orgWithLargestContoursPly, largestPoly, -1, Scalar.Red, 5);
+        //  using (new OpenCvSharp.Window("poly", orgWithAllPly))
+        // using (new OpenCvSharp.Window("pol2y", orgWithLargestContoursPly))
+        // {
+        //     Cv2.WaitKey();
+        // }
+        //
+
+        // # Get 10 largest contours
+        Console.WriteLine(contours);
+        var orgWithLargestContours = new Mat();
+        orig.CopyTo(orgWithLargestContours);
+        var largestContours = contours.OrderByDescending(x => x.ContourArea()).Take(10).ToArray();
+        Cv2.DrawContours(orgWithLargestContours, largestContours, -1, Scalar.Cyan, 5);
+        //
+        Mat approximate_contour(Mat contour)
+        {
+            var perimeter = Cv2.ArcLength(contour, true);
+            return contour.ApproxPolyDP(0.02 * perimeter, true);
+        }
+        Mat? get_receipt_counter(Mat[] contours)
+        {
+            var poly = new List<Mat>();
+            foreach (var contour in contours)
+            {
+                // var hull = contour.ConvexHull();
+                // var arcLength = hull.ArcLength(true);
+                // var x = contour.ApproxPolyDP(0.01 * arcLength, true);
+                // poly.Add(x);
+                
+
+
+                var approx = approximate_contour(contour);
+                if (approx.Total() == 4)
+                {
+                    return approx;
+                }
+            }
+            return null;
+        }
+
+        var highestY = 0;
+        var lowestY = 9999;
+        var highestX = 0;
+        var lowestX = 9999;
+        foreach (var contour in largestContours)
+        {
+            Console.WriteLine("Rows: {0}", contour.Rows);
+            if (contour.Rows > 10) // eliminate small things?
+            {
+                for (var i = 0; i < contour.Rows; i++)
+                {
+                    var pt = contour.At<Point>(i);
+                    if (pt.X < lowestX)
+                    {
+                        lowestX = pt.X;
+                    }
+                    if (pt.X > highestX)
+                    {
+                        highestX = pt.X;
+                    }
+                    if (pt.Y < lowestY)
+                    {
+                        lowestY = pt.Y;
+                    }
+                    if (pt.Y > highestY)
+                    {
+                        highestY = pt.Y;
+                    }                
+                }
+            }
+        }
+        Console.WriteLine("Low X: {0}, High X: {1}", lowestX, highestX);
+        Console.WriteLine("Low Y: {0}, High Y: {1}", lowestY, highestY);
+        var rect = new Rect(lowestX, lowestY, Math.Abs(highestX - lowestX), Math.Abs(highestY - lowestY));
+        Console.WriteLine(rect);
+        using var crop = new Mat(orig, rect);
+
+        using (new OpenCvSharp.Window("w largest contours", orgWithLargestContours))
+        using (new OpenCvSharp.Window("crop", crop))
+        using (new OpenCvSharp.Window("crop_b", b_algor(file)))
+        // using (new OpenCvSharp.Window("w biggest contours", orgWithBiggestContours))
+        {
+            Cv2.WaitKey();
+        }
+        return;
+
+
+        var largest = get_receipt_counter(largestContours);
+        Console.WriteLine(largest);
+        var orgWithBiggestContours = new Mat();
+        orig.CopyTo(orgWithBiggestContours);
+        Cv2.DrawContours(orgWithBiggestContours, [largest], -1, Scalar.Cyan, 3);
+        ////
+        using (new OpenCvSharp.Window("src image", src))
+        // using (new OpenCvSharp.Window("blur image", blur))
+        // using (new OpenCvSharp.Window("dilated image", dilated))
+        using (new OpenCvSharp.Window("orig with all contours", orgWithContours))
+        using (new OpenCvSharp.Window("w largest contours", orgWithLargestContours))
+        // using (new OpenCvSharp.Window("w biggest contours", orgWithBiggestContours))
+        {
+            Cv2.WaitKey();
+        }
+    }
+
     public byte[]? GetFont(string faceName)
     {
         LogInfo(string.Format("Loading font {0}", faceName));
@@ -558,6 +794,12 @@ class MainViewModel : BaseViewModel, IFontResolver
         reportTitlePar.Format.Font.Name = "Noto Sans JP"; // has english letters in it, too
         reportTitlePar.AddText(ReportTitle);
         //
+        var convertedDir = Path.Combine(folderPath, "converted");
+        if (!Directory.Exists(convertedDir))
+        {
+            Directory.CreateDirectory(convertedDir);
+        }
+        //
         GlobalFontSettings.FontResolver = this;
         GlobalFontSettings.FallbackFontResolver = new FailsafeFontResolver();
         var hasAddedData = false;
@@ -585,14 +827,7 @@ class MainViewModel : BaseViewModel, IFontResolver
             imageTitlePar.Format.Font.Size = 12;
             imageTitlePar.Format.Font.Bold = true;
             imageTitlePar.Format.Font.Name = "Noto Sans JP"; // has english letters in it, too
-            if (string.IsNullOrWhiteSpace(file.Title))
-            {
-                imageTitlePar.AddText(file.FileName);   
-            }
-            else
-            {
-                imageTitlePar.AddText(file.Title);
-            }
+            imageTitlePar.AddText(string.IsNullOrWhiteSpace(file.Title) ? file.FileName : file.Title);
             var receiptDatePar = section.AddParagraph();
             receiptDatePar.Format.Alignment = ParagraphAlignment.Center;
             receiptDatePar.Format.Font.Size = 12;
@@ -620,35 +855,47 @@ class MainViewModel : BaseViewModel, IFontResolver
             var info = new FileInfo(file.FilePath);
             uint loadedImageWidth = 0;
             uint loadedImageHeight = 0;
-            if (isHEIC || isWebp || isPNG)
+            if (!isPDF)
             {
-                // Save image as jpg
-                var convertedDir = Path.Combine(folderPath, "converted");
-                if (!Directory.Exists(convertedDir))
-                {
-                    Directory.CreateDirectory(convertedDir);
-                }
-                var outputPath = Path.Combine(convertedDir, info.Name + ".jpg");
                 using var mImage = new MagickImage(info.FullName);
                 loadedImageWidth = mImage.Width;
                 loadedImageHeight = mImage.Height;
-                mImage.Quality = 80;
-                if (mImage.Width >= 400 || mImage.Height >= 400)
+                var convertedOutputPath = Path.Combine(convertedDir, info.Name + ".jpg");
+                var didAdjust = false;
+                LogInfo("Image orientation of {0} is {1}", fileName, mImage.Orientation);
+                if (mImage.Orientation != OrientationType.TopLeft)
                 {
-                    loadedImageWidth = (uint)Math.Floor(mImage.Width * 0.5);
-                    loadedImageHeight = (uint)Math.Floor(mImage.Height * 0.5);
-                    mImage.Scale(loadedImageWidth, loadedImageHeight);
+                    LogInfo("Auto-adjusted image orientation of {0}", fileName);
+                    mImage.AutoOrient();
+                    didAdjust = true;
+                }
+                // perform needed image manipulations
+                if (isHEIC || isWebp || isPNG || (!isPDF && info.Length > 1.5 * 1024 * 1024 /* 1.5 MB */))
+                {
+                    // Save image as jpg
+                    mImage.Quality = 80;
+                    if (mImage.Width >= 400 || mImage.Height >= 400)
+                    {
+                        loadedImageWidth = (uint)Math.Floor(mImage.Width * 0.5);
+                        loadedImageHeight = (uint)Math.Floor(mImage.Height * 0.5);
+                        mImage.Scale(loadedImageWidth, loadedImageHeight);
+                        LogInfo("Image {2} scaled to {0}x{1}", loadedImageWidth, loadedImageHeight, fileName);
+                    }
+                    didAdjust = true;
+                    LogInfo("Converted image {0} to JPEG", fileName);
+                }
+                else
+                {
+                    // load height/width
+                    loadedImageWidth = mImage.Width;
+                    loadedImageHeight = mImage.Height;
+                }
+                if (didAdjust)
+                {
+                    await mImage.WriteAsync(convertedOutputPath);
+                    filePath = Path.Combine("Converted", info.Name + ".jpg");
+                    LogInfo(string.Format("Saved adjusted image to JPEG; fileName is now {0}", file.FilePath));                    
                 }
-                await mImage.WriteAsync(outputPath);
-                filePath = Path.Combine("Converted", info.Name + ".jpg");
-                LogInfo(string.Format("Converted image to JPEG; fileName is now {0}", file.FilePath));
-            }
-            else if (!isPDF)
-            {
-                // load height/width
-                using var mImage = new MagickImage(info.FullName);
-                loadedImageWidth = mImage.Width;
-                loadedImageHeight = mImage.Height;
             }
             var paragraph = section.AddParagraph();
             paragraph.Format.Alignment = ParagraphAlignment.Center;
@@ -688,14 +935,43 @@ class MainViewModel : BaseViewModel, IFontResolver
             Document = pdfDoc,
             WorkingDirectory = folderPath
         };
-        LogInfo("Rendering document...");
+        LogInfo("Rendering document to PDF file...");
         pdfRenderer.RenderDocument();
         string outputPDFFileName = Path.Join(folderPath, outputFileName);
-        LogInfo("Saving document to disk...");
+        LogInfo("Saving PDF document to disk...");
         pdfRenderer.PdfDocument.Save(outputPDFFileName);
-        LogInfo("Saved PDF output to: " + outputPDFFileName);
+        LogInfo("Finished saving PDF output to: " + outputPDFFileName);
         await CreateAndSaveReportObjectAfterReportCreation();
         OpenFolderForFileInFileViewer(outputPDFFileName);
         IsCreatingPDF = false;
     }
+
+    public async Task<bool> CheckIsSafeToShutdown()
+    {
+        if (!HasUnsavedWork || string.IsNullOrWhiteSpace(WorkingFolder))
+        {
+            return true;
+        }
+        else
+        {
+            var result = await DialogHost.Show(new ShutdownCheckViewModel());
+            if (result != null && result is ShutdownCheckOptions opt)
+            {
+                if (opt == ShutdownCheckOptions.SaveAndShutdown)
+                {
+                    await SaveInterimReportInfo();
+                    return true;
+                }
+                else if (opt == ShutdownCheckOptions.NoSaveShutdown)
+                {
+                    return true;
+                }
+                else if (opt == ShutdownCheckOptions.CancelShutdown)
+                {
+                    return false;
+                }
+            }
+        }
+        return false;
+    }
 }

src/ViewModels/ShutdownCheckViewModel.cs

@@ -0,0 +1,29 @@
+#nullable enable
+
+using DialogHostAvalonia;
+using MayShow.Models;
+
+namespace MayShow.ViewModels;
+
+class ShutdownCheckViewModel
+{
+
+    public ShutdownCheckViewModel()
+    {
+    }
+
+    public void SaveAndShutdown()
+    {
+        DialogHost.Close("DialogHost", ShutdownCheckOptions.SaveAndShutdown);
+    }
+
+    public void DoNotSaveAndShutdown()
+    {
+        DialogHost.Close("DialogHost", ShutdownCheckOptions.NoSaveShutdown);
+    }
+
+    public void CancelShutdown()
+    {
+        DialogHost.Close("DialogHost", ShutdownCheckOptions.CancelShutdown);
+    }
+}

src/Views/AboutView.axaml

@@ -7,7 +7,8 @@
              xmlns:models="clr-namespace:MayShow.Models"
              xmlns:vm="clr-namespace:MayShow.ViewModels"
              xmlns:dialogHost="clr-namespace:DialogHostAvalonia;assembly=DialogHost.Avalonia"
-             x:DataType="vm:AboutViewModel">
+             x:DataType="vm:AboutViewModel"
+             MaxWidth="450">
     <StackPanel Orientation="Vertical"
                 Spacing="4">
         <TextBlock Text="MayShow"
@@ -16,15 +17,12 @@
                    FontSize="18"
                    FontWeight="Bold"/>
         <TextBlock Text="MayShow (an intentional misspelling of 明証, pronounced may-shō, a Japanese word meaning proof, evidence, or corroboration) is a PDF report creation tool. It was built by MB for A in 2026. May the quacking of ducks always be in your favor. Thanks for using our software!"
-                   MaxWidth="300"
                    TextWrapping="Wrap"
                    FontSize="14"/>
         <TextBlock Text="App icon made using https://gauger.me/fonticon/ with FontAwesome icon 'file-invoice-dollar' and the macOS software Icon Composer."
-                   MaxWidth="300"
                    TextWrapping="Wrap"
                    FontSize="14"/>
         <TextBlock Text="Copyright 2026 - Quickity Quack Productions"
-                   MaxWidth="300"
                    TextWrapping="Wrap"
                    HorizontalAlignment="Center"
                    Margin="0,4,0,4"

src/Views/ConfirmView.axaml

@@ -0,0 +1,35 @@
+<UserControl xmlns="https://github.com/avaloniaui"
+             xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+             xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
+             xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
+             mc:Ignorable="d" d:DesignWidth="800" d:DesignHeight="450"
+             x:Class="MayShow.Views.ConfirmView"
+             xmlns:models="clr-namespace:MayShow.Models"
+             xmlns:vm="clr-namespace:MayShow.ViewModels"
+             x:DataType="vm:ConfirmViewModel">
+    <StackPanel Orientation="Vertical"
+                Spacing="4">
+        <TextBlock TextAlignment="Center"
+                   FontWeight="Bold"
+                   FontSize="18"
+                   Text="{Binding Title}"/>
+        <TextBlock TextAlignment="Center"
+                   FontWeight="Bold"
+                   TextWrapping="Wrap"
+                   FontSize="14"
+                   MaxWidth="350"
+                   Text="{Binding Message}"/>
+        <StackPanel Orientation="Horizontal"
+                    Spacing="12"
+                    HorizontalAlignment="Right"
+                    Margin="4">
+            <Button Command="{Binding Decline}"
+                    Content="{Binding DeclineTitle}"
+                    HorizontalAlignment="Right"/>
+            <Button Command="{Binding Confirm}"
+                    Classes="accent"
+                    Content="{Binding ConfirmTitle}"
+                    HorizontalAlignment="Right"/>
+        </StackPanel>
+    </StackPanel>
+</UserControl>

src/Views/ConfirmView.axaml.cs

@@ -0,0 +1,14 @@
+using System;
+using Avalonia;
+using Avalonia.Controls;
+using Avalonia.Markup.Xaml;
+
+namespace MayShow.Views;
+
+public partial class ConfirmView : UserControl
+{
+    public ConfirmView()
+    {
+        this.InitializeComponent();
+    }
+}

src/Views/EditFile.axaml

@@ -9,7 +9,8 @@
              xmlns:models="clr-namespace:MayShow.Models"
              xmlns:vm="clr-namespace:MayShow.ViewModels"
              xmlns:dialogHost="clr-namespace:DialogHostAvalonia;assembly=DialogHost.Avalonia"
-             x:DataType="vm:EditFileViewModel">
+             x:DataType="vm:EditFileViewModel"
+             MaxWidth="350">
     <ScrollViewer AllowAutoHide="False">
         <StackPanel Orientation="Vertical"
                     Spacing="4"
@@ -33,7 +34,8 @@
             <Label Content="Receipt Date" />
             <Calendar SelectionMode="SingleDate"
                         SelectedDate="{Binding ClonedFile.ReceiptDateTime}" 
-                        DisplayDate="{Binding ClonedFile.ReceiptDateTime}" />
+                        DisplayDate="{Binding ClonedFile.ReceiptDateTime}"
+                        IsTodayHighlighted="False" />
             <StackPanel Orientation="Horizontal"
                         Spacing="12"
                         Margin="0,4,0,0"

src/Views/MainView.axaml

@@ -167,7 +167,7 @@
                                     Margin="2"
                                     IsEnabled="{Binding !$parent[DataGrid].((vm:MainViewModel)DataContext).IsCreatingPDF}">
                                 <Button.Content>
-                                    <TextBlock><Run Text="&#xf1f8;" FontFamily="{StaticResource FontAwesomeSolid}"/> Edit</TextBlock>
+                                    <TextBlock><Run Text="&#xf044;" FontFamily="{StaticResource FontAwesomeSolid}"/> Edit</TextBlock>
                                 </Button.Content>
                             </Button>
                             <Button Command="{Binding $parent[DataGrid].((vm:MainViewModel)DataContext).RemoveFile}"
@@ -210,6 +210,12 @@
                                 <TextBlock FontSize="12"><Run Text="&#xf07c;" FontFamily="{StaticResource FontAwesomeSolid}"/> Open File</TextBlock>
                             </Button.Content>
                         </Button>
+                        <Button Command="{Binding $parent[DataGrid].((vm:MainViewModel)DataContext).TestReceiptFinding}" 
+                                CommandParameter="{Binding}">
+                            <Button.Content>
+                                <TextBlock FontSize="12"><Run Text="&#xf07c;" FontFamily="{StaticResource FontAwesomeSolid}"/> TEST RECEIPT FIND</TextBlock>
+                            </Button.Content>
+                        </Button>
                     </StackPanel>
                 </Grid>
             </DataTemplate>
@@ -223,27 +229,31 @@
         <StackPanel Orientation="Horizontal"
                     Spacing="4">
             <Button Command="{Binding AddItem}"
-                    IsEnabled="{Binding !IsCreatingPDF}">
+                    IsEnabled="{Binding CanAddItem}">
                 <TextBlock><Run Text="&#x002b;" FontFamily="{StaticResource FontAwesomeSolid}"/> Add Item(s)</TextBlock>
             </Button>
-            <Button Command="{Binding SaveInterimReportInfo}"
-                    IsEnabled="{Binding HasWorkingFolderAndNotMakingPDF}">
-                <TextBlock><Run Text="&#xf0c7;" FontFamily="{StaticResource FontAwesomeSolid}"/> Save Report Info</TextBlock>
+            <Button Command="{Binding RemoveAllItems}"
+                    IsEnabled="{Binding IsCreatePDFButtonEnabled}"
+                    Classes="Danger">
+                <TextBlock><Run Text="&#xf1f8;" FontFamily="{StaticResource FontAwesomeSolid}"/> Remove All Items</TextBlock>
             </Button>
             <Button Command="{Binding ResortPDFItemsByDate}"
                     IsEnabled="{Binding IsCreatePDFButtonEnabled}">
                 <TextBlock><Run Text="&#xf162;" FontFamily="{StaticResource FontAwesomeSolid}"/> Re-sort PDF Items</TextBlock>
             </Button>
-            <Button Command="{Binding BuildPDF}"
-                    Classes="accent"
-                    IsEnabled="{Binding IsCreatePDFButtonEnabled}">
-                <TextBlock><Run Text="&#xf1c1;" FontFamily="{StaticResource FontAwesomeSolid}"/> Create Report PDF</TextBlock>
+            <Button Command="{Binding SaveInterimReportInfo}"
+                    IsEnabled="{Binding HasWorkingFolderAndNotMakingPDF}">
+                <TextBlock><Run Text="&#xf0c7;" FontFamily="{StaticResource FontAwesomeSolid}"/> Save Report Info</TextBlock>
             </Button>
         </StackPanel>
       <StackPanel Orientation="Horizontal"
-                  IsVisible="{Binding IsCreatingPDF}"
                   Spacing="6"
                   HorizontalAlignment="Center">
+        <Button Command="{Binding BuildPDF}"
+                Classes="accent"
+                IsEnabled="{Binding IsCreatePDFButtonEnabled}">
+            <TextBlock><Run Text="&#xf1c1;" FontFamily="{StaticResource FontAwesomeSolid}"/> Create Report PDF</TextBlock>
+        </Button>
         <Label Content="Creating PDF..."
                IsVisible="{Binding IsCreatingPDF}"
                VerticalAlignment="Center"/>

src/Views/MainView.axaml.cs

@@ -3,6 +3,7 @@ using Avalonia;
 using Avalonia.Controls;
 using Avalonia.Input;
 using Avalonia.Markup.Xaml;
+using MayShow.ViewModels;
 
 namespace MayShow.Views
 {
@@ -12,6 +13,7 @@ namespace MayShow.Views
         {
             this.InitializeComponent();
             LogBlock.PropertyChanged += LogBlock_PropertyChanged;
+            FilesGrid.CellEditEnded += FileCellEditEnded;
         }
 
         private void LogBlock_PropertyChanged(object? sender, AvaloniaPropertyChangedEventArgs e)
@@ -26,6 +28,18 @@ namespace MayShow.Views
         {
             var topLevel = TopLevel.GetTopLevel(this);
             topLevel?.FocusManager?.ClearFocus();
+            if (DataContext is MainViewModel mvm)
+            {
+                mvm?.HasUnsavedWork = true;
+            }
+        }
+
+        private void FileCellEditEnded(object? sender, DataGridCellEditEndedEventArgs args)
+        {
+            if (args.EditAction == DataGridEditAction.Commit && DataContext is MainViewModel mvm)
+            {
+                mvm?.HasUnsavedWork = true;
+            }
         }
     }
 }

src/Views/ShutdownCheckView.axaml

@@ -0,0 +1,39 @@
+<UserControl xmlns="https://github.com/avaloniaui"
+             xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+             xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
+             xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
+             mc:Ignorable="d" d:DesignWidth="800" d:DesignHeight="450"
+             x:Class="MayShow.Views.ShutdownCheckView"
+             xmlns:models="clr-namespace:MayShow.Models"
+             xmlns:vm="clr-namespace:MayShow.ViewModels"
+             xmlns:dialogHost="clr-namespace:DialogHostAvalonia;assembly=DialogHost.Avalonia"
+             x:DataType="vm:ShutdownCheckViewModel">
+    <StackPanel Orientation="Vertical"
+                Spacing="4">
+        <TextBlock TextAlignment="Center"
+                   FontWeight="Bold"
+                   FontSize="18"
+                   Text="Warning: You have unsaved report data!"/>
+        <TextBlock TextAlignment="Center"
+                   FontWeight="Bold"
+                   TextWrapping="Wrap"
+                   FontSize="14"
+                   Text="Do you want to save your data before the program is closed?"/>
+        <StackPanel Orientation="Horizontal"
+                    Spacing="8">
+            <Button Command="{Binding SaveAndShutdown}"
+                    Classes="accent"
+                    Content="Save Data and Close"
+                    HorizontalAlignment="Right"
+                    Margin="0,4,0,4"/>
+            <Button Command="{Binding DoNotSaveAndShutdown}"
+                    Content="Do NOT Save Data and Close"
+                    HorizontalAlignment="Right"
+                    Margin="0,4,0,4"/>
+            <Button Command="{Binding CancelShutdown}"
+                    Content="Cancel Program Shutdown"
+                    HorizontalAlignment="Right"
+                    Margin="0,4,0,4"/>
+        </StackPanel>
+    </StackPanel>
+</UserControl>

src/Views/ShutdownCheckView.axaml.cs

@@ -0,0 +1,14 @@
+using System;
+using Avalonia;
+using Avalonia.Controls;
+using Avalonia.Markup.Xaml;
+
+namespace MayShow.Views;
+
+public partial class ShutdownCheckView : UserControl
+{
+    public ShutdownCheckView()
+    {
+        this.InitializeComponent();
+    }
+}

src/app.manifest

@@ -3,7 +3,7 @@
   <!-- This manifest is used on Windows only.
        Don't remove it as it might cause problems with window transparency and embedded controls.
        For more details visit https://learn.microsoft.com/en-us/windows/win32/sbscs/application-manifests -->
-  <assemblyIdentity version="1.1.0.0" name="MayShow.Desktop"/>
+  <assemblyIdentity version="1.2.0.0" name="MayShow.Desktop"/>
 
   <compatibility xmlns="urn:schemas-microsoft-com:compatibility.v1">
     <application>