From e553360d24781f40cc10182059130ce71e796a26 Mon Sep 17 00:00:00 2001
From: Vadim Kurland <vadim@slot.vk.crocodile.org>
Date: Tue, 19 Jul 2011 19:35:54 -0700
Subject: [PATCH] see #2609 additional checks to make sure we do not allow drag
 and drop between different instances of the program

---
 src/libgui/ObjectTreeView.cpp | 3 +++
 src/libgui/RuleSetView.cpp    | 2 ++
 2 files changed, 5 insertions(+)

diff --git a/src/libgui/ObjectTreeView.cpp b/src/libgui/ObjectTreeView.cpp
index e4c28a434..34c97b663 100644
--- a/src/libgui/ObjectTreeView.cpp
+++ b/src/libgui/ObjectTreeView.cpp
@@ -535,6 +535,9 @@ void ObjectTreeView::dragMoveEvent(QDragMoveEvent *ev)
 
 void ObjectTreeView::dropEvent(QDropEvent *ev)
 {
+    // only accept drops from the same instance of fwbuilder
+    if (ev->source() == NULL) return;
+
     ObjectTreeViewItem *dest =
         dynamic_cast<ObjectTreeViewItem *>(itemAt(ev->pos()));
     if (dest == 0) {
diff --git a/src/libgui/RuleSetView.cpp b/src/libgui/RuleSetView.cpp
index c74ab0f83..229c9f091 100644
--- a/src/libgui/RuleSetView.cpp
+++ b/src/libgui/RuleSetView.cpp
@@ -2111,6 +2111,8 @@ void RuleSetView::dragEnterEvent( QDragEnterEvent *ev)
 
 void RuleSetView::dropEvent(QDropEvent *ev)
 {
+    // only accept drops from the same instance of fwbuilder
+    if (ev->source() == NULL) return;
 
     RuleSetModel* md = ((RuleSetModel*)model());
     if (!canChange(md)) return;