add right click menu: copy project path (can use in save dialogs with other programs)

Author: unitycoder

Diff for: UnityLauncherPro/MainWindow.xaml

@@ -327,6 +327,7 @@
 						<DataGrid.ContextMenu>
 							<ContextMenu>
 								<MenuItem x:Name="menuItemCopyVersion" Header="Copy Unity Version" Click="MenuItemCopyVersion_Click" />
+								<MenuItem x:Name="menuItemCopyPath" Header="Copy Project Path" Click="MenuItemCopyPath_Click" />
 								<!--<Separator />-->
 								<MenuItem x:Name="menuItemShowProjectInExplorer" Header="Show in Explorer" Click="MenuItemShowProjectInExplorer_Click" />
 							</ContextMenu>

Diff for: UnityLauncherPro/MainWindow.xaml.cs

@@ -1127,5 +1127,17 @@ private void Window_Activated(object sender, EventArgs e)
             //Console.WriteLine("gridRecent.IsFocused=" + gridRecent.IsFocused);
             //Console.WriteLine("gridRecent.IsFocused=" + gridRecent.IsKeyboardFocused);
         }
+
+        private void MenuItemCopyPath_Click(object sender, RoutedEventArgs e)
+        {
+            string copy = null;
+            if (tabControl.SelectedIndex == 0)
+            {
+                var proj = GetSelectedProject();
+                // fix slashes so that it works in save dialogs
+                copy = proj?.Path.Replace('/','\\');
+            }
+            if (copy != null) Clipboard.SetText(copy);
+        }
     } // class
 } //namespace