(#520) Center window on monitor when it goes out of bounds

src/Lanceur.Infra.Win32/Utils/ScreenRuler.cs

@@ -20,13 +20,13 @@ public static class ScreenRuler
 
         #region Methods
 
-        public static Coordinate GetCenterCoordinate(double topOffset = double.MaxValue)
+        private static Coordinate GetCenterCoordinate(double topOffset)
         {
             var screenWidth = SystemParameters.PrimaryScreenWidth;
             var screenHeight = SystemParameters.PrimaryScreenHeight;
 
             var x = (screenWidth - WindowWidth) / 2;
-            var y = topOffset == double.MaxValue
+            var y = topOffset >= double.MaxValue
                 ? (screenHeight - WindowHeight) / 2
                 : topOffset;
 
@@ -43,12 +43,33 @@ public static Coordinate SetDefaultPosition()
         public static void SetWindowPosition(Coordinate coordinate)
         {
             var win = Application.Current.MainWindow;
-
             if (win is null) return;
 
             win.Left = coordinate.X;
             win.Top = coordinate.Y;
         }
+
+
+        public static bool IsWindowOutOfScreen()
+        {
+            var win = Application.Current.MainWindow;
+            if (win is null) return true;
+
+            // Obtain the dimensions of the primary screen
+            var workArea = SystemParameters.WorkArea;
+
+            // Obtain the dimensions and position of the window
+            var winLeft = win.Left;
+            var winTop = win.Top;
+            var winWidth = winLeft + win.Width;
+            var winHeight = winTop + win.Height;
+
+            // Check if the window is completely or partially off the screen
+            return winLeft < workArea.Left ||
+                   winTop < workArea.Top ||
+                   winWidth > workArea.Right ||
+                   winHeight > workArea.Bottom;
+        }
 
         #endregion Methods
     }

src/Lanceur/Views/MainView.xaml.cs

@@ -241,17 +241,21 @@ private void OnTextChanged(object sender, TextChangedEventArgs e)
 
         private void OnWindowLoaded(object sender, RoutedEventArgs e)
         {
-            //TODO value from settings
-            var stg = _settings.Current;
-            var hk = stg.HotKey;
+            var settings = _settings.Current;
+            var hk = settings.HotKey;
             SetShortcut((Key)hk.Key, (ModifierKeys)hk.ModifierKey);
-
-            //var coordinate = ScreenRuler.GetCenterCoordinate(ScreenRuler.DefaultTopOffset);
-            var coordinate = new Coordinate(stg.Window.Position.Left, stg.Window.Position.Top);
+
+            var coordinate = new Coordinate(settings.Window.Position.Left, settings.Window.Position.Top);
 
             if (coordinate.IsEmpty) ScreenRuler.SetDefaultPosition();
             else ScreenRuler.SetWindowPosition(coordinate);
 
+            if (ScreenRuler.IsWindowOutOfScreen())
+            {
+                _logger.LogInformation("Window is out of screen. Set it to default position at centre of the screen");
+                ScreenRuler.SetDefaultPosition();
+            } 
+
             ShowWindow();
         }