select first row by default when searching (so can press enter to open), if press up/down key in searchbox move into results

Author: unitycoder

UnityLauncherPro/MainWindow.xaml

@@ -261,7 +261,7 @@
 					<!-- search box -->
 					<Grid Background="{DynamicResource TextBoxBackground}" HorizontalAlignment="Left" VerticalAlignment="Top" Width="222" Margin="6,5,0,0" Height="20"  >
 						<TextBlock Margin="3,2" MinWidth="100" Text="Search" Foreground="#7F919191" Visibility="{Binding ElementName=txtSearchBox, Path=Text.IsEmpty, Converter={StaticResource MyBoolToVisibilityConverter}}" Height="24" />
-						<TextBox MinWidth="100" CaretBrush="#FFE2E2E2" Name="txtSearchBox" Background="Transparent" BorderBrush="{x:Null}" Foreground="#FFC7C7C7" SelectionBrush="#FF003966" BorderThickness="0" Margin="2,2,0,0" UndoLimit="64" TextChanged="OnSearchTextChanged" />
+						<TextBox MinWidth="100" CaretBrush="#FFE2E2E2" Name="txtSearchBox" Background="Transparent" BorderBrush="{x:Null}" Foreground="#FFC7C7C7" SelectionBrush="#FF003966" BorderThickness="0" Margin="2,2,0,0" UndoLimit="64" TextChanged="OnSearchTextChanged" PreviewKeyDown="TxtSearchBox_PreviewKeyDown" />
 						<Button Name="btnClearSearch" Style="{StaticResource {x:Static ToolBar.ButtonStyleKey}}" BorderThickness="0"  HorizontalAlignment="Right" VerticalAlignment="Top" Height="23" Width="23" Background="Transparent" Padding="0,2" Visibility="Visible" BorderBrush="{x:Null}" Click="OnClearProjectSearchClick">
 							<TextBlock Text="❌" FontSize="8" Foreground="{DynamicResource ButtonForeground}" Padding="5,3,4,4" HorizontalAlignment="Center">
 								<TextBlock.Style>

UnityLauncherPro/MainWindow.xaml.cs

@@ -127,12 +127,19 @@ private void OnSearchPreviewKeyDown(object sender, KeyEventArgs e)
             }
         }
 
+        // main search
         void FilterRecentProjects()
         {
             // https://www.wpftutorial.net/DataViews.html
             _filterString = txtSearchBox.Text;
             ICollectionView collection = CollectionViewSource.GetDefaultView(projectsSource);
             collection.Filter = ProjectFilter;
+
+            // set first row selected (good, especially if only one results)
+            if (gridRecent.Items.Count > 0)
+            {
+                gridRecent.SelectedIndex = 0;
+            }
         }
 
         private bool ProjectFilter(object item)
@@ -575,6 +582,26 @@ private void BtnUpdateUnity_Click(object sender, RoutedEventArgs e)
         {
             // TODO check for newer available version in Updates tab, select that row and jump to tab
         }
+
+
+
+        // if press up/down in search box, move to first item in results
+        private void TxtSearchBox_PreviewKeyDown(object sender, KeyEventArgs e)
+        {
+            switch (e.Key)
+            {
+                case Key.Up:
+                case Key.Down:
+                    //e.Handled = true; // if enabled, we enter to first row initially
+                    gridRecent.Focus();
+                    gridRecent.SelectedIndex = 0;
+                    DataGridRow row = (DataGridRow)gridRecent.ItemContainerGenerator.ContainerFromIndex(0);
+                    row.MoveFocus(new TraversalRequest(FocusNavigationDirection.Next));
+                    break;
+                default:
+                    break;
+            }
+        }
     } // class
 } //namespace