Implement #202

Wox/MainWindow.xaml.cs

@@ -541,6 +541,44 @@ namespace Wox
                     }
                     e.Handled = true;
                     break;
+
+                case Key.D1:
+                    SelectItem(1);
+                    break;
+
+                case Key.D2:
+                    SelectItem(2);
+                    break;
+
+                case Key.D3:
+                    SelectItem(3);
+                    break;
+
+                case Key.D4:
+                    SelectItem(4);
+                    break;
+
+                case Key.D5:
+                    SelectItem(5);
+                    break;
+                case Key.D6:
+                    SelectItem(6);
+                    break;
+
+            }
+        }
+
+        private void SelectItem(int index)
+        {
+            int zeroBasedIndex = index - 1;
+            SpecialKeyState keyState = GlobalHotkey.Instance.CheckModifiers();
+            if (keyState.AltPressed || keyState.CtrlPressed)
+            {
+                List<Result> visibleResults = pnlResult.GetVisibleResults();
+                if (zeroBasedIndex < visibleResults.Count)
+                {
+                    SelectResult(visibleResults[zeroBasedIndex]);
+                }
             }
         }
 

Wox/ResultPanel.xaml.cs

@@ -110,6 +110,43 @@ namespace Wox
             }
         }
 
+        public List<Result> GetVisibleResults()
+        {
+            var theStackPanel = GetInnerStackPanel(lbResults);
+            List<Result> visibleElements = new List<Result>();
+
+            for (int i = 0; i < theStackPanel.Children.Count; i++)
+            {
+
+                if (i >= theStackPanel.VerticalOffset && i <= theStackPanel.VerticalOffset + theStackPanel.ViewportHeight)
+                {
+                    FrameworkElement element = theStackPanel.Children[i] as FrameworkElement;
+                    visibleElements.Add(element.DataContext as Result);
+                }
+            }
+            return visibleElements;
+        }
+
+        private VirtualizingStackPanel GetInnerStackPanel(FrameworkElement element)
+        {
+            for (int i = 0; i < VisualTreeHelper.GetChildrenCount(element); i++)
+            {
+                var child = VisualTreeHelper.GetChild(element, i) as FrameworkElement;
+
+                if (child == null) continue;
+
+                if (child is VirtualizingStackPanel) return child as VirtualizingStackPanel;
+
+                var panel = GetInnerStackPanel(child);
+
+                if (panel != null)
+                    return panel;
+            }
+
+            return null;
+
+        }
+
         public Result GetActiveResult()
         {
             int index = lbResults.SelectedIndex;