add toasts! and toast about thumbnail loading

Program.cs

@@ -346,6 +346,27 @@ public static class Util {
   }
 }
 
+public class Toast {
+  private string message = "";
+  private double time;
+  private double expiryTime;
+
+  public void Set(string message) {
+    this.message = message;
+    this.expiryTime = time + 5.0;
+  }
+
+  public string Get() {
+    return message;
+  }
+
+  public void Update(double elapsed) {
+    time += elapsed;
+    if (time > expiryTime) {
+      message = "";
+    }
+  }
+}
 
 public class Game : GameWindow {
   public Game(GameWindowSettings gwSettings, NativeWindowSettings nwSettings) :
@@ -378,14 +399,15 @@ public class Game : GameWindow {
   int VertexBufferObject;
   int ElementBufferObject;
   int VertexArrayObject;
-  readonly object thumbnailsLoadedLock = new();
-  int thumbnailsLoaded = 0;
+  int numThumbnailsLoaded = 0;
+  readonly object numThumbnailsLoadedLock = new();
   List<Photo> allPhotos = new();
   List<Photo> photos = new();
   HashSet<Photo> loadedImages = new();
   HashSet<Photo> loadingImages = new();
   readonly object loadedImagesLock = new();
   readonly ViewTool viewTool = new ViewTool();
+  Toast toast = new();
   ITool activeTool;
   int photoIndex = 0;
   int ribbonIndex = 0;
@@ -399,6 +421,7 @@ public class Game : GameWindow {
 
   protected override void OnUpdateFrame(FrameEventArgs e) {
     base.OnUpdateFrame(e);
+    toast.Update(e.Time);
 
     Photo previousPhoto = photos[photoIndex];
 
@@ -641,8 +664,8 @@ public class Game : GameWindow {
     // string[] files = Directory.GetFiles(@"c:\users\colin\desktop\totte-output\2023\07\31");
     // string[] files = Directory.GetFiles(@"c:\users\colin\desktop\import");
     // string[] files = Directory.GetFiles(@"C:\Users\colin\Pictures\photos\2018\06\23");
-    // string[] files = Directory.GetFiles(@"C:\Users\colin\Desktop\Germany all\104D7000");
-    string[] files = Directory.GetFiles(@"C:\Users\colin\Desktop\many-birds\");
+    string[] files = Directory.GetFiles(@"C:\Users\colin\Desktop\Germany all\104D7000");
+    // string[] files = Directory.GetFiles(@"C:\Users\colin\Desktop\many-birds\");
 
     for (int i = 0; i < files.Count(); i++) {
       string file = files[i];
@@ -726,14 +749,13 @@ public class Game : GameWindow {
     foreach (Photo p in allPhotos) {
       tasks.Add(Task.Run( () => {
         p.LoadThumbnailAsync(geometry.ThumbnailSize);
-        lock (thumbnailsLoadedLock) {
-          thumbnailsLoaded++;
-          Console.WriteLine(thumbnailsLoaded);
+        lock (numThumbnailsLoadedLock) {
+          numThumbnailsLoaded++;
+          toast.Set($"Loading thumbnails: {numThumbnailsLoaded}/{allPhotos.Count}");
         }
       }));
     }
-    Console.WriteLine("TASKS: " + tasks.Count);
-    await Task.WhenAll(tasks).ContinueWith(t => { Console.WriteLine("done????"); });
+    await Task.WhenAll(tasks).ContinueWith(t => { toast.Set("Loading thumbnails: done!"); });
   }
 
   // To find the JPEG compression level of a file from the command line:
@@ -830,7 +852,7 @@ public class Game : GameWindow {
 
     // Second line.
     y += 20;
-    DrawText(activeTool.Status(), geometry.StatusBox.Min.X, y);
+    DrawText(activeTool.Status() + toast.Get(), geometry.StatusBox.Min.X, y);
     DrawText(String.Format("FPS: {0,2}", fpsCounter.Fps), geometry.StatusBox.Max.X - 66, y);
     if (activePhoto.Loaded) {
       DrawText($"{(scale * 100):F1}%", geometry.StatusBox.Max.X - 136, y);
@@ -1008,7 +1030,7 @@ static class Program {
     // nwSettings.Size = new Vector2i(1600, 900);
     nwSettings.MinimumSize = UiGeometry.MIN_WINDOW_SIZE;
     nwSettings.Title = "Totte";
-    nwSettings.IsEventDriven = true;
+    nwSettings.IsEventDriven = false;
     nwSettings.Icon = new WindowIcon(Util.RenderAppIcon());
 
     using (Game game = new(gwSettings, nwSettings)) {