4 files changed, 34 insertions, 7 deletions
diff --git a/indra/llui/lldockablefloater.cpp b/indra/llui/lldockablefloater.cpp
index 6a5b475134..74438b184a 100644
--- a/indra/llui/lldockablefloater.cpp
+++ b/indra/llui/lldockablefloater.cpp
@@ -57,6 +57,7 @@ LLDockableFloater::LLDockableFloater(LLDockControl* dockControl,
 	, mOverlapsScreenChannel(false)
 {
 	init(this);
+	mUseTongue = true;
 }
 
 LLDockableFloater::LLDockableFloater(LLDockControl* dockControl, bool uniqueDocking,
@@ -64,6 +65,14 @@ LLDockableFloater::LLDockableFloater(LLDockControl* dockControl, bool uniqueDock
 	LLFloater(key, params), mDockControl(dockControl), mUniqueDocking(uniqueDocking)
 {
 	init(this);
+	mUseTongue = true;
+}
+
+LLDockableFloater::LLDockableFloater(LLDockControl* dockControl, bool uniqueDocking,
+		bool useTongue, const LLSD& key, const Params& params) :
+	LLFloater(key, params), mDockControl(dockControl), mUseTongue(useTongue), mUniqueDocking(uniqueDocking)
+{
+	init(this);
 }
 
 LLDockableFloater::~LLDockableFloater()
diff --git a/indra/llui/lldockablefloater.h b/indra/llui/lldockablefloater.h
index ae4f99e205..2b1ce99ae2 100644
--- a/indra/llui/lldockablefloater.h
+++ b/indra/llui/lldockablefloater.h
@@ -62,6 +62,20 @@ public:
 	 */
 	LLDockableFloater(LLDockControl* dockControl, bool uniqueDocking,
 			const LLSD& key, const Params& params = getDefaultParams());
+
+	/**
+	 * Constructor.
+	 * @param dockControl a pointer to the doc control instance
+	 * @param uniqueDocking - a flag defines is docking should work as tab(at one
+	 * moment only one docked floater can be shown).
+	 * @praram useTongue - a flag defines is dock tongue should be used.
+	 * @params key a floater key.
+ 	 * @params params a floater parameters
+	 */
+	LLDockableFloater(LLDockControl* dockControl, bool uniqueDocking,
+			bool useTongue, const LLSD& key,
+			const Params& params = getDefaultParams());
+
 	virtual ~LLDockableFloater();
 
 	static LLHandle<LLFloater> getInstanceHandle() { return sInstanceHandle; }
@@ -104,6 +118,7 @@ public:
 	virtual void setOverlapsScreenChannel(bool overlaps) { mOverlapsScreenChannel = overlaps; }
 
 	bool getUniqueDocking() { return mUniqueDocking;	}
+	bool getUseTongue() { return mUseTongue; }
 private:
 	/**
 	 * Provides unique of dockable floater.
@@ -125,6 +140,8 @@ private:
 	 */
 	bool mUniqueDocking;
 
+	bool mUseTongue;
+
 	bool mOverlapsScreenChannel;
 };
 
diff --git a/indra/llui/lldockcontrol.cpp b/indra/llui/lldockcontrol.cpp
index 1c3c8449c5..0d8e54aa48 100644
--- a/indra/llui/lldockcontrol.cpp
+++ b/indra/llui/lldockcontrol.cpp
@@ -182,12 +182,12 @@ void LLDockControl::moveDockable()
 	LLRect rootRect;
 	mGetAllowedRectCallback(rootRect);
 
-	bool unique_docking = false;
+	bool use_tongue = false;
 	LLDockableFloater* dockable_floater =
 			dynamic_cast<LLDockableFloater*> (mDockableFloater);
 	if (dockable_floater != NULL)
 	{
-		unique_docking = dockable_floater->getUniqueDocking();
+		use_tongue = dockable_floater->getUseTongue();
 	}
 
 	LLRect dockableRect = mDockableFloater->calcScreenRect();
@@ -218,7 +218,7 @@ void LLDockControl::moveDockable()
 		x = dockRect.getCenterX() - dockableRect.getWidth() / 2;
 		y = dockRect.mTop + dockableRect.getHeight();
 		// unique docking used with dock tongue, so add tongue height o the Y coordinate
-		if (unique_docking)
+		if (use_tongue)
 		{
 			y += mDockTongue->getHeight();
 		}
@@ -287,15 +287,15 @@ void LLDockControl::forceRecalculatePosition()
 
 void LLDockControl::drawToungue()
 {
-	bool unique_docking = false;
+	bool use_tongue = false;
 	LLDockableFloater* dockable_floater =
 			dynamic_cast<LLDockableFloater*> (mDockableFloater);
 	if (dockable_floater != NULL)
 	{
-		unique_docking = dockable_floater->getUniqueDocking();
+		use_tongue = dockable_floater->getUseTongue();
 	}
 
-	if (mEnabled && unique_docking)
+	if (mEnabled && use_tongue)
 	{
 		mDockTongue->draw(mDockTongueX, mDockTongueY);
 	}
diff --git a/indra/llui/llflatlistview.cpp b/indra/llui/llflatlistview.cpp
index 3754d155cf..9cfc67af14 100644
--- a/indra/llui/llflatlistview.cpp
+++ b/indra/llui/llflatlistview.cpp
@@ -906,7 +906,8 @@ void LLFlatListView::notifyParentItemsRectChanged()
 	params["width"] = req_rect.getWidth();
 	params["height"] = req_rect.getHeight();
 
-	getParent()->notifyParent(params);
+	if (getParent()) // dummy widgets don't have a parent
+		getParent()->notifyParent(params);
 }
 
 void LLFlatListView::setNoItemsCommentVisible(bool visible) const