From 84dd347ae782b5152fdb0fc3b964e88b1c9975c0 Mon Sep 17 00:00:00 2001
From: andreykproductengine <akleshchev@productengine.com>
Date: Mon, 13 Mar 2017 20:48:44 +0200
Subject: MAINT-1324 Warning should appear that objects in different regions
 can't be linked

---
 indra/newview/llselectmgr.cpp                      | 35 ++++++++++++++++++++++
 indra/newview/llselectmgr.h                        |  3 ++
 .../newview/skins/default/xui/en/notifications.xml |  8 +++++
 3 files changed, 46 insertions(+)

diff --git a/indra/newview/llselectmgr.cpp b/indra/newview/llselectmgr.cpp
index 353c61da0c..983a7ca1ae 100644
--- a/indra/newview/llselectmgr.cpp
+++ b/indra/newview/llselectmgr.cpp
@@ -614,6 +614,12 @@ bool LLSelectMgr::linkObjects()
 		return true;
 	}
 
+	if (!LLSelectMgr::getInstance()->selectGetSameRegion())
+	{
+		LLNotificationsUtil::add("CannotLinkAcrossRegions");
+		return true;
+	}
+
 	LLSelectMgr::getInstance()->sendLink();
 
 	return true;
@@ -2778,6 +2784,35 @@ BOOL LLSelectMgr::selectGetRootsModify()
 	return TRUE;
 }
 
+//-----------------------------------------------------------------------------
+// selectGetSameRegion() - return TRUE if all objects are in same region
+//-----------------------------------------------------------------------------
+BOOL LLSelectMgr::selectGetSameRegion()
+{
+    if (getSelection()->isEmpty())
+    {
+        return TRUE;
+    }
+    LLViewerObject* object = getSelection()->getFirstObject();
+    if (!object)
+    {
+        return FALSE;
+    }
+    LLViewerRegion* current_region = object->getRegion();
+
+    for (LLObjectSelection::root_iterator iter = getSelection()->root_begin();
+        iter != getSelection()->root_end(); iter++)
+    {
+        LLSelectNode* node = *iter;
+        object = node->getObject();
+        if (!node->mValid || !object || current_region != object->getRegion())
+        {
+            return FALSE;
+        }
+    }
+
+    return TRUE;
+}
 
 //-----------------------------------------------------------------------------
 // selectGetNonPermanentEnforced() - return TRUE if all objects are not
diff --git a/indra/newview/llselectmgr.h b/indra/newview/llselectmgr.h
index 2a893af266..7ef0032645 100644
--- a/indra/newview/llselectmgr.h
+++ b/indra/newview/llselectmgr.h
@@ -624,6 +624,9 @@ public:
 	BOOL selectGetRootsModify();
 	BOOL selectGetModify();
 
+	// returns TRUE if all objects are in same region
+	BOOL selectGetSameRegion();
+
 	// returns TRUE if is all objects are non-permanent-enforced
 	BOOL selectGetRootsNonPermanentEnforced();
 	BOOL selectGetNonPermanentEnforced();
diff --git a/indra/newview/skins/default/xui/en/notifications.xml b/indra/newview/skins/default/xui/en/notifications.xml
index a509adfcbc..bcdd182627 100644
--- a/indra/newview/skins/default/xui/en/notifications.xml
+++ b/indra/newview/skins/default/xui/en/notifications.xml
@@ -1938,6 +1938,14 @@ Please make sure none are locked, and that you own all of them.
     <tag>fail</tag>
   </notification>
 
+  <notification
+   icon="alertmodal.tga"
+   name="CannotLinkAcrossRegions"
+   type="alertmodal">
+Objects cannot be linked across region boundaries.
+    <tag>fail</tag>
+  </notification>
+
   <notification
    icon="alertmodal.tga"
    name="CannotLinkDifferentOwners"
-- 
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