From 6b2775668ddb1f381fe721b2a794fba793607f40 Mon Sep 17 00:00:00 2001
From: Dennis Ushakov <dennis.ushakov@gmail.com>
Date: Sun, 29 Jan 2012 16:52:44 +0400
Subject: [PATCH] IDEA-80459 allow drag to finish before detaching drag helper

---
 .../platform-api/src/com/intellij/ui/MouseDragHelper.java     | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/platform/platform-api/src/com/intellij/ui/MouseDragHelper.java b/platform/platform-api/src/com/intellij/ui/MouseDragHelper.java
index 67e6abaaeb03..49f2dc3eba38 100644
--- a/platform/platform-api/src/com/intellij/ui/MouseDragHelper.java
+++ b/platform/platform-api/src/com/intellij/ui/MouseDragHelper.java
@@ -75,6 +75,10 @@ public abstract class MouseDragHelper implements MouseListener, MouseMotionListe
   }
 
   private void attach() {
+    if (myDetachPostponed) {
+      myDetachPostponed = false;
+      return;
+    }
     myGlassPane = IdeGlassPaneUtil.find(myDragComponent);
     myGlassPane.addMousePreprocessor(this, myParentDisposable);
     myGlassPane.addMouseMotionPreprocessor(this, myParentDisposable);
-- 
2.32.0