From 68064262f6c5bb2d97733eb0a8c3286fe4c2424a Mon Sep 17 00:00:00 2001
From: Sergey Malenkov <sergey.malenkov@jetbrains.com>
Date: Tue, 14 Jul 2015 20:13:10 +0300
Subject: [PATCH] IDEA-131794 Tree selection changes on double-click expansion

---
 .../src/com/intellij/util/ui/tree/WideSelectionTreeUI.java    | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/platform/util/src/com/intellij/util/ui/tree/WideSelectionTreeUI.java b/platform/util/src/com/intellij/util/ui/tree/WideSelectionTreeUI.java
index e2e1f74c3690..d2295136e560 100644
--- a/platform/util/src/com/intellij/util/ui/tree/WideSelectionTreeUI.java
+++ b/platform/util/src/com/intellij/util/ui/tree/WideSelectionTreeUI.java
@@ -121,8 +121,8 @@ public class WideSelectionTreeUI extends BasicTreeUI {
     }
 
     private void handle(MouseEvent e) {
-      final JTree tree = (JTree)e.getSource();
-      if (SwingUtilities.isLeftMouseButton(e) && !e.isPopupTrigger()) {
+      if (!e.isPopupTrigger() && e.getClickCount() == 1 && SwingUtilities.isLeftMouseButton(e)) {
+        final JTree tree = (JTree)e.getSource();
         final TreePath pressedPath = getClosestPathForLocation(tree, e.getX(), e.getY());
         if (pressedPath != null) {
           Rectangle bounds = getPathBounds(tree, pressedPath);