Navigate to PR with enter key from PR list.

Author: grokys

src/GitHub.VisualStudio/Views/GitHubPane/PullRequestListView.xaml

@@ -109,7 +109,8 @@
                      BorderThickness="0"
                      ScrollViewer.HorizontalScrollBarVisibility="Disabled"
                      Visibility="{Binding Message, Converter={ghfvs:EqualsToVisibilityConverter None}}"
-                     ContextMenuOpening="ListBox_ContextMenuOpening">
+                     ContextMenuOpening="ListBox_ContextMenuOpening"
+                     KeyDown="ListBox_KeyDown">
                 <ListBox.ContextMenu>
                     <ContextMenu>
                         <MenuItem Header="{x:Static prop:Resources.Open}" Command="{Binding OpenItem}"/>

src/GitHub.VisualStudio/Views/GitHubPane/PullRequestListView.xaml.cs

@@ -58,6 +58,18 @@ void OpenInBrowser(IPullRequestListItemViewModel item)
             }
         }
 
+        void ListBox_KeyDown(object sender, KeyEventArgs e)
+        {
+            var listBox = (ListBox)sender;
+
+            if (listBox.SelectedItem != null && e.Key == Key.Enter)
+            {
+                var vm = DataContext as IPullRequestListViewModel;
+                var pr = (IPullRequestListItemViewModel)listBox.SelectedItem;
+                vm.OpenItem.Execute(pr);
+            }
+        }
+
         void ListBoxItem_MouseDoubleClick(object sender, MouseButtonEventArgs e)
         {
             var control = sender as ListBoxItem;
@@ -100,7 +112,7 @@ void ApplyContextMenuBinding<TItem>(object sender, ContextMenuEventArgs e) where
             }
         }
 
-        private Visual GetVisual(object element)
+        Visual GetVisual(object element)
         {
             if (element is Visual v)
             {