23 files changed, 176 insertions, 137 deletions

diff --git a/indra/llui/llaccordionctrltab.h b/indra/llui/llaccordionctrltab.h
index 896a34cac4..496c34c38b 100644
--- a/indra/llui/llaccordionctrltab.h
+++ b/indra/llui/llaccordionctrltab.h
@@ -126,12 +126,12 @@ public:
 
 	void setSelected(bool is_selected);
 
-	bool getCollapsible() {return mCollapsible;};
+	bool getCollapsible() { return mCollapsible; };
 
-	void setCollapsible(bool collapsible) {mCollapsible = collapsible;};
+	void setCollapsible(bool collapsible) { mCollapsible = collapsible; };
 	void changeOpenClose(bool is_open);
 
-	void canOpenClose(bool can_open_close) { mCanOpenClose = can_open_close;};
+	void canOpenClose(bool can_open_close) { mCanOpenClose = can_open_close; };
 	bool canOpenClose() const { return mCanOpenClose; };
 
 	virtual BOOL postBuild();
@@ -142,8 +142,8 @@ public:
 
 	void draw();
 
-	void    storeOpenCloseState		();
-	void    restoreOpenCloseState	();
+	void storeOpenCloseState();
+	void restoreOpenCloseState();
 
 protected:
 	LLAccordionCtrlTab(const LLAccordionCtrlTab::Params&);
diff --git a/indra/llui/llcontainerview.cpp b/indra/llui/llcontainerview.cpp
index 727fbe850e..1c33088e8d 100644
--- a/indra/llui/llcontainerview.cpp
+++ b/indra/llui/llcontainerview.cpp
@@ -288,7 +288,7 @@ void LLContainerView::setLabel(const std::string& label)
 	mLabel = label;
 }
 
-void LLContainerView::setDisplayChildren(const BOOL displayChildren)
+void LLContainerView::setDisplayChildren(BOOL displayChildren)
 {
 	mDisplayChildren = displayChildren;
 	for (child_list_const_iter_t child_iter = getChildList()->begin();
diff --git a/indra/llui/llcontainerview.h b/indra/llui/llcontainerview.h
index 99267d978a..8e75aaef6e 100644
--- a/indra/llui/llcontainerview.h
+++ b/indra/llui/llcontainerview.h
@@ -78,7 +78,7 @@ public:
 
 	void setLabel(const std::string& label);
 	void showLabel(BOOL show) { mShowLabel = show; }
-	void setDisplayChildren(const BOOL displayChildren);
+	void setDisplayChildren(BOOL displayChildren);
 	BOOL getDisplayChildren() { return mDisplayChildren; }
 	void setScrollContainer(LLScrollContainer* scroll) {mScrollContainer = scroll;}
 
diff --git a/indra/llui/llflatlistview.cpp b/indra/llui/llflatlistview.cpp
index 460bd0945b..fd4c33df30 100644
--- a/indra/llui/llflatlistview.cpp
+++ b/indra/llui/llflatlistview.cpp
@@ -1361,26 +1361,28 @@ void LLFlatListViewEx::setForceShowingUnmatchedItems(bool show)
 	mForceShowingUnmatchedItems = show;
 }
 
-void LLFlatListViewEx::setFilterSubString(const std::string& filter_str)
+void LLFlatListViewEx::setFilterSubString(const std::string& filter_str, bool notify_parent)
 {
 	if (0 != LLStringUtil::compareInsensitive(filter_str, mFilterSubString))
 	{
 		mFilterSubString = filter_str;
 		updateNoItemsMessage(mFilterSubString);
-		filterItems();
+		filterItems(false, notify_parent);
 	}
 }
 
-void LLFlatListViewEx::updateItemVisibility(LLPanel* item, const LLSD &action)
+bool LLFlatListViewEx::updateItemVisibility(LLPanel* item, const LLSD &action)
 {
-	if (!item) return;
+    if (!item)
+        return false;
+
+	BOOL visible = TRUE;
 
 	// 0 signifies that filter is matched,
 	// i.e. we don't hide items that don't support 'match_filter' action, separators etc.
 	if (0 == item->notify(action))
 	{
 		mHasMatchedItems = true;
-		item->setVisible(true);
 	}
 	else
 	{
@@ -1388,34 +1390,45 @@ void LLFlatListViewEx::updateItemVisibility(LLPanel* item, const LLSD &action)
 		if (!mForceShowingUnmatchedItems)
 		{
 			selectItem(item, false);
+			visible = FALSE;
 		}
-		item->setVisible(mForceShowingUnmatchedItems);
 	}
+
+	if (item->getVisible() != visible)
+	{
+		item->setVisible(visible);
+		return true;
+	}
+
+	return false;
 }
 
-void LLFlatListViewEx::filterItems()
+void LLFlatListViewEx::filterItems(bool re_sort, bool notify_parent)
 {
-	typedef std::vector <LLPanel*> item_panel_list_t;
-
 	std::string cur_filter = mFilterSubString;
 	LLStringUtil::toUpper(cur_filter);
 
 	LLSD action;
 	action.with("match_filter", cur_filter);
 
-	item_panel_list_t items;
-	getItems(items);
-
 	mHasMatchedItems = false;
-    item_panel_list_t::iterator iter = items.begin(), iter_end = items.end();
-	while (iter < iter_end)
+	bool visibility_changed = false;
+	pairs_const_iterator_t iter = getItemPairs().begin(), iter_end = getItemPairs().end();
+	while (iter != iter_end)
 	{
-		LLPanel* pItem = *(iter++);
-		updateItemVisibility(pItem, action);
+		LLPanel* pItem = (*(iter++))->first;
+		visibility_changed |= updateItemVisibility(pItem, action);
 	}
 
-	sort();
-	notifyParentItemsRectChanged();
+    if (re_sort)
+    {
+        sort();
+    }
+
+    if (visibility_changed && notify_parent)
+    {
+        notifyParentItemsRectChanged();
+    }
 }
 
 bool LLFlatListViewEx::hasMatchedItems()
diff --git a/indra/llui/llflatlistview.h b/indra/llui/llflatlistview.h
index d47c1cf333..adb0e3e553 100644
--- a/indra/llui/llflatlistview.h
+++ b/indra/llui/llflatlistview.h
@@ -300,6 +300,7 @@ public:
 	virtual S32	notify(const LLSD& info) ;
 
 	virtual ~LLFlatListView();
+
 protected:
 
 	/** Pairs LLpanel representing a single item LLPanel and LLSD associated with it */
@@ -375,7 +376,9 @@ protected:
 
 	LLRect getLastSelectedItemRect();
 
-	void   ensureSelectedVisible();
+	void ensureSelectedVisible();
+
+	const pairs_list_t& getItemPairs() { return mItemPairs; }
 
 private:
 
@@ -482,14 +485,14 @@ public:
 	/**
 	 * Sets up new filter string and filters the list.
 	 */
-	void setFilterSubString(const std::string& filter_str);
+	void setFilterSubString(const std::string& filter_str, bool notify_parent);
 	std::string getFilterSubString() { return mFilterSubString; }
 	
 	/**
 	 * Filters the list, rearranges and notifies parent about shape changes.
 	 * Derived classes may want to overload rearrangeItems() to exclude repeated separators after filtration.
 	 */
-	void filterItems();
+	void filterItems(bool re_sort, bool notify_parent);
 
 	/**
 	 * Returns true if last call of filterItems() found at least one matching item
@@ -513,7 +516,7 @@ protected:
 	* @param item - item we are changing
 	* @param item - action - parameters to determin visibility from
 	*/
-	void updateItemVisibility(LLPanel* item, const LLSD &action);
+	bool updateItemVisibility(LLPanel* item, const LLSD &action);
 
 private:
 	std::string mNoFilteredItemsMsg;
diff --git a/indra/llui/llfloater.cpp b/indra/llui/llfloater.cpp
index de3de53569..cf33d633ad 100644
--- a/indra/llui/llfloater.cpp
+++ b/indra/llui/llfloater.cpp
@@ -506,7 +506,6 @@ void LLFloater::enableResizeCtrls(bool enable, bool width, bool height)
 
 void LLFloater::destroy()
 {
-	gFloaterView->onDestroyFloater(this);
 	// LLFloaterReg should be synchronized with "dead" floater to avoid returning dead instance before
 	// it was deleted via LLMortician::updateClass(). See EXT-8458.
 	LLFloaterReg::removeInstance(mInstanceName, mKey);
@@ -2407,8 +2406,7 @@ LLFloaterView::LLFloaterView (const Params& p)
 	mFocusCycleMode(FALSE),
 	mMinimizePositionVOffset(0),
 	mSnapOffsetBottom(0),
-	mSnapOffsetRight(0),
-	mFrontChild(NULL)
+	mSnapOffsetRight(0)
 {
 	mSnapView = getHandle();
 }
@@ -2564,7 +2562,8 @@ void LLFloaterView::bringToFront(LLFloater* child, BOOL give_focus, BOOL restore
 	if (!child)
 		return;
 
-	if (mFrontChild == child)
+    LLFloater* front_child = mFrontChildHandle.get();
+	if (front_child == child)
 	{
 		if (give_focus && child->canFocusStealFrontmost() && !gFocusMgr.childHasKeyboardFocus(child))
 		{
@@ -2573,12 +2572,12 @@ void LLFloaterView::bringToFront(LLFloater* child, BOOL give_focus, BOOL restore
 		return;
 	}
 
-	if (mFrontChild)
+	if (front_child && front_child->getVisible())
 	{
-		mFrontChild->goneFromFront();
+        front_child->goneFromFront();
 	}
 
-	mFrontChild = child;
+    mFrontChildHandle = child->getHandle();
 
 	// *TODO: make this respect floater's mAutoFocus value, instead of
 	// using parameter
@@ -3077,7 +3076,8 @@ LLFloater *LLFloaterView::getBackmost() const
 
 void LLFloaterView::syncFloaterTabOrder()
 {
-	if (mFrontChild && !mFrontChild->isDead() && mFrontChild->getIsChrome())
+    LLFloater* front_child = mFrontChildHandle.get();
+	if (front_child && front_child->getIsChrome())
 		return;
 
 	// look for a visible modal dialog, starting from first
@@ -3115,11 +3115,12 @@ void LLFloaterView::syncFloaterTabOrder()
 			LLFloater* floaterp = dynamic_cast<LLFloater*>(*child_it);
 			if (gFocusMgr.childHasKeyboardFocus(floaterp))
 			{
-                if (mFrontChild != floaterp)
+                LLFloater* front_child = mFrontChildHandle.get();
+                if (front_child != floaterp)
                 {
                     // Grab a list of the top floaters that want to stay on top of the focused floater
 					std::list<LLFloater*> listTop;
-					if (mFrontChild && !mFrontChild->canFocusStealFrontmost())
+					if (front_child && !front_child->canFocusStealFrontmost())
                     {
                         for (LLView* childp : *getChildList())
                         {
@@ -3139,7 +3140,7 @@ void LLFloaterView::syncFloaterTabOrder()
 						{
 							sendChildToFront(childp);
 						}
-						mFrontChild = listTop.back();
+                        mFrontChildHandle = listTop.back()->getHandle();
 					}
                 }
 
@@ -3235,14 +3236,6 @@ void LLFloaterView::setToolbarRect(LLToolBarEnums::EToolBarLocation tb, const LL
 	}
 }
 
-void LLFloaterView::onDestroyFloater(LLFloater* floater)
-{
-    if (mFrontChild == floater)
-    {
-        mFrontChild = nullptr;
-    }
-}
-
 void LLFloater::setInstanceName(const std::string& name)
 {
 	if (name != mInstanceName)
diff --git a/indra/llui/llfloater.h b/indra/llui/llfloater.h
index 88f9e77777..39957386df 100644
--- a/indra/llui/llfloater.h
+++ b/indra/llui/llfloater.h
@@ -607,7 +607,6 @@ public:
 	LLFloater* getFrontmostClosableFloater(); 
 
 	void setToolbarRect(LLToolBarEnums::EToolBarLocation tb, const LLRect& toolbar_rect);
-	void onDestroyFloater(LLFloater* floater);
 
 private:
 	void hiddenFloaterClosed(LLFloater* floater);
@@ -623,7 +622,7 @@ private:
 	S32				mMinimizePositionVOffset;
 	typedef std::vector<std::pair<LLHandle<LLFloater>, boost::signals2::connection> > hidden_floaters_t;
 	hidden_floaters_t mHiddenFloaters;
-	LLFloater *		mFrontChild;
+    LLHandle<LLFloater>	mFrontChildHandle;
 };
 
 //
diff --git a/indra/llui/llfolderviewitem.cpp b/indra/llui/llfolderviewitem.cpp
index bc9469cfad..2bd14f6f6a 100644
--- a/indra/llui/llfolderviewitem.cpp
+++ b/indra/llui/llfolderviewitem.cpp
@@ -187,14 +187,18 @@ LLFolderViewItem::~LLFolderViewItem()
 
 BOOL LLFolderViewItem::postBuild()
 {
-    LLFolderViewModelItem& vmi = *getViewModelItem();
-    // getDisplayName() is expensive (due to internal getLabelSuffix() and name building)
-    // it also sets search strings so it requires a filter reset
-    mLabel = vmi.getDisplayName();
-    setToolTip(vmi.getName());
+    LLFolderViewModelItem* vmi = getViewModelItem();
+    llassert(vmi); // not supposed to happen, if happens, find out why and fix
+    if (vmi)
+    {
+        // getDisplayName() is expensive (due to internal getLabelSuffix() and name building)
+        // it also sets search strings so it requires a filter reset
+        mLabel = vmi->getDisplayName();
+        setToolTip(vmi->getName());
 
-    // Dirty the filter flag of the model from the view (CHUI-849)
-    vmi.dirtyFilter();
+        // Dirty the filter flag of the model from the view (CHUI-849)
+        vmi->dirtyFilter();
+    }
 
     // Don't do full refresh on constructor if it is possible to avoid
     // it significantly slows down bulk view creation.
diff --git a/indra/llui/llkeywords.cpp b/indra/llui/llkeywords.cpp
index 69e338ddb9..341ddb83f3 100644
--- a/indra/llui/llkeywords.cpp
+++ b/indra/llui/llkeywords.cpp
@@ -479,7 +479,7 @@ LLTrace::BlockTimerStatHandle FTM_SYNTAX_COLORING("Syntax Coloring");
 
 // Walk through a string, applying the rules specified by the keyword token list and
 // create a list of color segments.
-void LLKeywords::findSegments(std::vector<LLTextSegmentPtr>* seg_list, const LLWString& wtext, const LLColor4 &defaultColor, LLTextEditor& editor)
+void LLKeywords::findSegments(std::vector<LLTextSegmentPtr>* seg_list, const LLWString& wtext, LLTextEditor& editor, LLStyleConstSP style)
 {
 	LL_RECORD_BLOCK_TIME(FTM_SYNTAX_COLORING);
 	seg_list->clear();
@@ -491,7 +491,7 @@ void LLKeywords::findSegments(std::vector<LLTextSegmentPtr>* seg_list, const LLW
 
 	S32 text_len = wtext.size() + 1;
 
-	seg_list->push_back( new LLNormalTextSegment( defaultColor, 0, text_len, editor ) );
+	seg_list->push_back( new LLNormalTextSegment( style, 0, text_len, editor ) );
 
 	const llwchar* base = wtext.c_str();
 	const llwchar* cur = base;
@@ -501,9 +501,9 @@ void LLKeywords::findSegments(std::vector<LLTextSegmentPtr>* seg_list, const LLW
 		{
 			if( *cur == '\n' )
 			{
-				LLTextSegmentPtr text_segment = new LLLineBreakTextSegment(cur-base);
+				LLTextSegmentPtr text_segment = new LLLineBreakTextSegment(style, cur-base);
 				text_segment->setToken( 0 );
-				insertSegment( *seg_list, text_segment, text_len, defaultColor, editor);
+				insertSegment( *seg_list, text_segment, text_len, style, editor);
 				cur++;
 				if( !*cur || *cur == '\n' )
 				{
@@ -541,7 +541,7 @@ void LLKeywords::findSegments(std::vector<LLTextSegmentPtr>* seg_list, const LLW
 						S32 seg_end = cur - base;
 
 						//create segments from seg_start to seg_end
-						insertSegments(wtext, *seg_list,cur_token, text_len, seg_start, seg_end, defaultColor, editor);
+						insertSegments(wtext, *seg_list,cur_token, text_len, seg_start, seg_end, style, editor);
 						line_done = TRUE; // to break out of second loop.
 						break;
 					}
@@ -648,7 +648,7 @@ void LLKeywords::findSegments(std::vector<LLTextSegmentPtr>* seg_list, const LLW
 						seg_end = seg_start + between_delimiters + cur_delimiter->getLengthHead();
 					}
 
-					insertSegments(wtext, *seg_list,cur_delimiter, text_len, seg_start, seg_end, defaultColor, editor);
+					insertSegments(wtext, *seg_list,cur_delimiter, text_len, seg_start, seg_end, style, editor);
 					/*
 					LLTextSegmentPtr text_segment = new LLNormalTextSegment( cur_delimiter->getColor(), seg_start, seg_end, editor );
 					text_segment->setToken( cur_delimiter );
@@ -682,7 +682,7 @@ void LLKeywords::findSegments(std::vector<LLTextSegmentPtr>* seg_list, const LLW
 
 						// LL_INFOS("SyntaxLSL") << "Seg: [" << word.c_str() << "]" << LL_ENDL;
 
-						insertSegments(wtext, *seg_list,cur_token, text_len, seg_start, seg_end, defaultColor, editor);
+						insertSegments(wtext, *seg_list,cur_token, text_len, seg_start, seg_end, style, editor);
 					}
 					cur += seg_len;
 					continue;
@@ -697,30 +697,32 @@ void LLKeywords::findSegments(std::vector<LLTextSegmentPtr>* seg_list, const LLW
 	}
 }
 
-void LLKeywords::insertSegments(const LLWString& wtext, std::vector<LLTextSegmentPtr>& seg_list, LLKeywordToken* cur_token, S32 text_len, S32 seg_start, S32 seg_end, const LLColor4 &defaultColor, LLTextEditor& editor )
+void LLKeywords::insertSegments(const LLWString& wtext, std::vector<LLTextSegmentPtr>& seg_list, LLKeywordToken* cur_token, S32 text_len, S32 seg_start, S32 seg_end, LLStyleConstSP style, LLTextEditor& editor )
 {
 	std::string::size_type pos = wtext.find('\n',seg_start);
+    
+    LLStyleConstSP cur_token_style = new LLStyle(LLStyle::Params().font(style->getFont()).color(cur_token->getColor()));
 
 	while (pos!=-1 && pos < (std::string::size_type)seg_end)
 	{
 		if (pos!=seg_start)
 		{
-			LLTextSegmentPtr text_segment = new LLNormalTextSegment( cur_token->getColor(), seg_start, pos, editor );
+            LLTextSegmentPtr text_segment = new LLNormalTextSegment(cur_token_style, seg_start, pos, editor);
 			text_segment->setToken( cur_token );
-			insertSegment( seg_list, text_segment, text_len, defaultColor, editor);
+			insertSegment( seg_list, text_segment, text_len, style, editor);
 		}
 
-		LLTextSegmentPtr text_segment = new LLLineBreakTextSegment(pos);
+		LLTextSegmentPtr text_segment = new LLLineBreakTextSegment(style, pos);
 		text_segment->setToken( cur_token );
-		insertSegment( seg_list, text_segment, text_len, defaultColor, editor);
+		insertSegment( seg_list, text_segment, text_len, style, editor);
 
 		seg_start = pos+1;
 		pos = wtext.find('\n',seg_start);
 	}
 
-	LLTextSegmentPtr text_segment = new LLNormalTextSegment( cur_token->getColor(), seg_start, seg_end, editor );
+	LLTextSegmentPtr text_segment = new LLNormalTextSegment(cur_token_style, seg_start, seg_end, editor);
 	text_segment->setToken( cur_token );
-	insertSegment( seg_list, text_segment, text_len, defaultColor, editor);
+	insertSegment( seg_list, text_segment, text_len, style, editor);
 }
 
 void LLKeywords::insertSegment(std::vector<LLTextSegmentPtr>& seg_list, LLTextSegmentPtr new_segment, S32 text_len, const LLColor4 &defaultColor, LLTextEditor& editor )
@@ -744,6 +746,27 @@ void LLKeywords::insertSegment(std::vector<LLTextSegmentPtr>& seg_list, LLTextSe
 	}
 }
 
+void LLKeywords::insertSegment(std::vector<LLTextSegmentPtr>& seg_list, LLTextSegmentPtr new_segment, S32 text_len, LLStyleConstSP style, LLTextEditor& editor )
+{
+	LLTextSegmentPtr last = seg_list.back();
+	S32 new_seg_end = new_segment->getEnd();
+
+	if( new_segment->getStart() == last->getStart() )
+	{
+		seg_list.pop_back();
+	}
+	else
+	{
+		last->setEnd( new_segment->getStart() );
+	}
+	seg_list.push_back( new_segment );
+
+	if( new_seg_end < text_len )
+	{
+		seg_list.push_back( new LLNormalTextSegment( style, new_seg_end, text_len, editor ) );
+	}
+}
+
 #ifdef _DEBUG
 void LLKeywords::dump()
 {
diff --git a/indra/llui/llkeywords.h b/indra/llui/llkeywords.h
index 18e2ed06c5..2410fe7d5a 100644
--- a/indra/llui/llkeywords.h
+++ b/indra/llui/llkeywords.h
@@ -29,6 +29,7 @@
 
 
 #include "lldir.h"
+#include "llstyle.h"
 #include "llstring.h"
 #include "v3color.h"
 #include "v4color.h"
@@ -115,8 +116,8 @@ public:
 
 	void		findSegments(std::vector<LLTextSegmentPtr> *seg_list,
 							 const LLWString& text,
-							 const LLColor4 &defaultColor,
-							 class LLTextEditor& editor);
+							 class LLTextEditor& editor,
+                             LLStyleConstSP style);
 	void		initialize(LLSD SyntaxXML);
 	void		processTokens();
 
@@ -181,9 +182,11 @@ protected:
 							   S32 text_len,
 							   S32 seg_start,
 							   S32 seg_end,
-							   const LLColor4 &defaultColor,
+							   LLStyleConstSP style,
 							   LLTextEditor& editor);
 
+    void insertSegment(std::vector<LLTextSegmentPtr>& seg_list, LLTextSegmentPtr new_segment, S32 text_len, LLStyleConstSP style, LLTextEditor& editor );
+
 	bool		mLoaded;
 	LLSD		mSyntax;
 	word_token_map_t mWordTokenMap;
diff --git a/indra/llui/llmenugl.cpp b/indra/llui/llmenugl.cpp
index fececa15cf..c2ffaa7245 100644
--- a/indra/llui/llmenugl.cpp
+++ b/indra/llui/llmenugl.cpp
@@ -1788,7 +1788,8 @@ LLMenuGL::LLMenuGL(const LLMenuGL::Params& p)
 	mNeedsArrange(FALSE),
 	mAlwaysShowMenu(FALSE),
 	mResetScrollPositionOnShow(true),
-	mShortcutPad(p.shortcut_pad)
+	mShortcutPad(p.shortcut_pad),
+    mFont(p.font)
 {
 	typedef boost::tokenizer<boost::char_separator<char> > tokenizer;
 	boost::char_separator<char> sep("_");
@@ -3647,6 +3648,7 @@ BOOL LLMenuBarGL::appendMenu( LLMenuGL* menu )
 	p.disabled_color=LLUIColorTable::instance().getColor("MenuItemDisabledColor");
 	p.highlight_bg_color=LLUIColorTable::instance().getColor("MenuItemHighlightBgColor");
 	p.highlight_fg_color=LLUIColorTable::instance().getColor("MenuItemHighlightFgColor");
+    p.font = menu->getFont();
 
 	LLMenuItemBranchDownGL* branch = LLUICtrlFactory::create<LLMenuItemBranchDownGL>(p);
 	success &= branch->addToAcceleratorList(&mAccelerators);
diff --git a/indra/llui/llmenugl.h b/indra/llui/llmenugl.h
index 5c51cf8465..44ac61f20d 100644
--- a/indra/llui/llmenugl.h
+++ b/indra/llui/llmenugl.h
@@ -562,7 +562,9 @@ public:
 	// add a context menu branch
 	BOOL appendContextSubMenu(LLMenuGL *menu);
 
-protected:
+    const LLFontGL *getFont() const { return mFont; }
+
+  protected:
 	void createSpilloverBranch();
 	void cleanupSpilloverBranch();
 	// Add the menu item to this menu.
@@ -594,6 +596,9 @@ protected:
 	BOOL			mKeepFixedSize;
 	BOOL			mNeedsArrange;
 
+    // Font for top menu items only
+    const LLFontGL* mFont;
+
 private:
 
 
diff --git a/indra/llui/llstatbar.cpp b/indra/llui/llstatbar.cpp
index 2449100952..fc3024c0de 100644
--- a/indra/llui/llstatbar.cpp
+++ b/indra/llui/llstatbar.cpp
@@ -181,7 +181,7 @@ LLStatBar::LLStatBar(const Params& p)
 	mTargetMinBar(llmin(p.bar_min, p.bar_max)),
 	mTargetMaxBar(llmax(p.bar_max, p.bar_min)),
 	mCurMaxBar(p.bar_max),
-    mCurMinBar(0),
+	mCurMinBar(0),
 	mDecimalDigits(p.decimal_digits),
 	mNumHistoryFrames(p.num_frames),
 	mNumShortHistoryFrames(p.num_frames_short),
@@ -222,9 +222,6 @@ BOOL LLStatBar::handleHover(S32 x, S32 y, MASK mask)
 	case STAT_SAMPLE:
 		LLToolTipMgr::instance().show(LLToolTip::Params().message(mStat.sampleStatp->getDescription()).sticky_rect(calcScreenRect()));
 		break;
-	case STAT_MEM:
-		LLToolTipMgr::instance().show(LLToolTip::Params().message(mStat.memStatp->getDescription()).sticky_rect(calcScreenRect()));
-		break;
 	default:
 		break;
 	}
@@ -373,18 +370,6 @@ void LLStatBar::draw()
 			}
 		}
 		break;
-	case STAT_MEM:
-		{
-			const LLTrace::StatType<LLTrace::MemAccumulator>& mem_stat = *mStat.memStatp;
-
-			unit_label        = mUnitLabel.empty() ? mem_stat.getUnitLabel() : mUnitLabel;
-			current           = last_frame_recording.getLastValue(mem_stat).value();
-			min               = frame_recording.getPeriodMin(mem_stat, num_frames).value();
-			max               = frame_recording.getPeriodMax(mem_stat, num_frames).value();
-			mean              = frame_recording.getPeriodMean(mem_stat, num_frames).value();
-			display_value	  = current;
-		}
-		break;
 	default:
 		break;
 	}
@@ -500,11 +485,6 @@ void LLStatBar::draw()
 							max_value		= recording.getMax(*mStat.sampleStatp);
 							num_samples		= recording.getSampleCount(*mStat.sampleStatp);
 							break;
-						case STAT_MEM:
-							min_value       = recording.getMin(*mStat.memStatp).value();
-							max_value		= recording.getMax(*mStat.memStatp).value();
-							num_samples = 1;
-							break;
 						default:
 							break;
 					}
@@ -583,14 +563,8 @@ void LLStatBar::setStat(const std::string& stat_name)
 		mStat.sampleStatp = sample_stat.get();
 		mStatType = STAT_SAMPLE;
 	}
-	else if (auto mem_stat = StatType<MemAccumulator>::getInstance(stat_name))
-	{
-		mStat.memStatp = mem_stat.get();
-		mStatType = STAT_MEM;
-	}
 }
 
-
 void LLStatBar::setRange(F32 bar_min, F32 bar_max)
 {
 	mTargetMinBar		= llmin(bar_min, bar_max);
diff --git a/indra/llui/llstatbar.h b/indra/llui/llstatbar.h
index 6b481ca68f..384d0950a6 100644
--- a/indra/llui/llstatbar.h
+++ b/indra/llui/llstatbar.h
@@ -95,17 +95,15 @@ private:
 		STAT_NONE,
 		STAT_COUNT,
 		STAT_EVENT,
-		STAT_SAMPLE,
-		STAT_MEM
+		STAT_SAMPLE
 	} mStatType;
 
 	union
 	{
-		void*														valid;
+		void*													valid;
 		const LLTrace::StatType<LLTrace::CountAccumulator>*		countStatp;
 		const LLTrace::StatType<LLTrace::EventAccumulator>*		eventStatp;
-		const LLTrace::StatType<LLTrace::SampleAccumulator>*		sampleStatp;
-		const LLTrace::StatType<LLTrace::MemAccumulator>*		memStatp;
+		const LLTrace::StatType<LLTrace::SampleAccumulator>*	sampleStatp;
 	} mStat;
 
 	LLUIString   mLabel;
diff --git a/indra/llui/llstatview.cpp b/indra/llui/llstatview.cpp
index bb4969c81f..03f2fb7cc0 100644
--- a/indra/llui/llstatview.cpp
+++ b/indra/llui/llstatview.cpp
@@ -58,10 +58,7 @@ LLStatView::~LLStatView()
 	}
 }
 
-
 static StatViewRegistry::Register<LLStatBar> r1("stat_bar");
 static StatViewRegistry::Register<LLStatView> r2("stat_view");
 // stat_view can be a child of panels/etc.
 static LLDefaultChildRegistry::Register<LLStatView> r3("stat_view");
-
-
diff --git a/indra/llui/llstatview.h b/indra/llui/llstatview.h
index af4db7d7ea..044f0a8679 100644
--- a/indra/llui/llstatview.h
+++ b/indra/llui/llstatview.h
@@ -63,7 +63,7 @@ protected:
 	friend class LLUICtrlFactory;
 
 protected:
-	std::string mSetting;
-
+	const std::string mSetting;
 };
+
 #endif // LL_STATVIEW_
diff --git a/indra/llui/lltabcontainer.cpp b/indra/llui/lltabcontainer.cpp
index cb36f72f6e..6aeae0f291 100644
--- a/indra/llui/lltabcontainer.cpp
+++ b/indra/llui/lltabcontainer.cpp
@@ -1516,25 +1516,23 @@ BOOL LLTabContainer::selectTab(S32 which)
 
 	LLTabTuple* selected_tuple = getTab(which);
 	if (!selected_tuple)
-	{
 		return FALSE;
-	}
-	
+
 	LLSD cbdata;
 	if (selected_tuple->mTabPanel)
 		cbdata = selected_tuple->mTabPanel->getName();
 
-	BOOL res = FALSE;
-	if( !mValidateSignal || (*mValidateSignal)( this, cbdata ) )
+	BOOL result = FALSE;
+	if (!mValidateSignal || (*mValidateSignal)(this, cbdata))
 	{
-		res = setTab(which);
-		if (res && mCommitSignal)
+		result = setTab(which);
+		if (result && mCommitSignal)
 		{
 			(*mCommitSignal)(this, cbdata);
 		}
 	}
-	
-	return res;
+
+	return result;
 }
 
 // private
diff --git a/indra/llui/lltextbase.cpp b/indra/llui/lltextbase.cpp
index 7ccf025a19..50feee8a47 100644
--- a/indra/llui/lltextbase.cpp
+++ b/indra/llui/lltextbase.cpp
@@ -3470,7 +3470,7 @@ BOOL LLNormalTextSegment::handleToolTip(S32 x, S32 y, MASK mask)
 	if (mToken && !mToken->getToolTip().empty())
 	{
 		const LLWString& wmsg = mToken->getToolTip();
-		LLToolTipMgr::instance().show(wstring_to_utf8str(wmsg));
+        LLToolTipMgr::instance().show(wstring_to_utf8str(wmsg), (mToken->getType() == LLKeywordToken::TT_FUNCTION));
 		return TRUE;
 	}
 	// or do we have an explicitly set tooltip (e.g., for Urls)
diff --git a/indra/llui/lltexteditor.cpp b/indra/llui/lltexteditor.cpp
index a247e8700a..7150052b65 100644
--- a/indra/llui/lltexteditor.cpp
+++ b/indra/llui/lltexteditor.cpp
@@ -1862,7 +1862,8 @@ BOOL LLTextEditor::handleKeyHere(KEY key, MASK mask )
 		}
 
 		if (mEnableTooltipPaste &&
-			LLToolTipMgr::instance().toolTipVisible() && 
+			LLToolTipMgr::instance().toolTipVisible() &&
+            LLToolTipMgr::instance().isTooltipPastable() &&
 			KEY_TAB == key)
 		{	// Paste the first line of a tooltip into the editor
 			std::string message;
diff --git a/indra/llui/lltooltip.cpp b/indra/llui/lltooltip.cpp
index a6552d4ff1..75fc86b226 100644
--- a/indra/llui/lltooltip.cpp
+++ b/indra/llui/lltooltip.cpp
@@ -154,7 +154,8 @@ LLToolTip::Params::Params()
 	text_color("text_color"),
 	time_based_media("time_based_media", false),
 	web_based_media("web_based_media", false),
-	media_playing("media_playing", false)
+	media_playing("media_playing", false),
+    allow_paste_tooltip("allow_paste_tooltip", false)
 {
 	changeDefault(chrome, true);
 }
@@ -167,7 +168,8 @@ LLToolTip::LLToolTip(const LLToolTip::Params& p)
 	mTextBox(NULL),
 	mInfoButton(NULL),
 	mPlayMediaButton(NULL),
-	mHomePageButton(NULL)
+	mHomePageButton(NULL),
+    mIsTooltipPastable(p.allow_paste_tooltip)
 {
 	LLTextBox::Params params;
 	params.name = params.initial_value().asString();
@@ -289,6 +291,8 @@ void LLToolTip::initFromParams(const LLToolTip::Params& p)
 		mTextBox->setText(p.message());
 	}
 
+	mIsTooltipPastable = p.allow_paste_tooltip;
+
 	updateTextBox();
 	snapToChildren();
 }
@@ -483,9 +487,9 @@ void LLToolTipMgr::createToolTip(const LLToolTip::Params& params)
 }
 
 
-void LLToolTipMgr::show(const std::string& msg)
+void LLToolTipMgr::show(const std::string& msg, bool allow_paste_tooltip)
 {
-	show(LLToolTip::Params().message(msg));
+    show(LLToolTip::Params().message(msg).allow_paste_tooltip(allow_paste_tooltip));
 }
 
 void LLToolTipMgr::show(const LLToolTip::Params& params)
@@ -626,5 +630,13 @@ void LLToolTipMgr::getToolTipMessage(std::string & message)
 	}
 }
 
+bool LLToolTipMgr::isTooltipPastable()
+{
+    if (toolTipVisible())
+    {
+        return mToolTip->isTooltipPastable();
+    }
+    return false;
+ }
 
 // EOF
diff --git a/indra/llui/lltooltip.h b/indra/llui/lltooltip.h
index 86943625ff..fef5e7c75f 100644
--- a/indra/llui/lltooltip.h
+++ b/indra/llui/lltooltip.h
@@ -94,6 +94,8 @@ public:
 									padding;
 		Optional<bool>				wrap;
 
+        Optional<bool> allow_paste_tooltip;
+
 		Params();
 	};
 	/*virtual*/ void draw();
@@ -109,6 +111,7 @@ public:
 	virtual void initFromParams(const LLToolTip::Params& params);
 
 	void getToolTipMessage(std::string & message);
+    bool isTooltipPastable() { return mIsTooltipPastable; }
 
 protected:
 	void updateTextBox();
@@ -125,6 +128,8 @@ protected:
 	bool			mHasClickCallback;
 	S32				mPadding;	// pixels
 	S32				mMaxWidth;
+
+    bool mIsTooltipPastable;
 };
 
 // used for the inspector tooltips which need different background images etc.
@@ -142,7 +147,7 @@ class LLToolTipMgr : public LLSingleton<LLToolTipMgr>
 
 public:
 	void show(const LLToolTip::Params& params);
-	void show(const std::string& message);
+	void show(const std::string& message, bool allow_paste_tooltip = false);
 
 	void unblockToolTips();
 	void blockToolTips();
@@ -154,6 +159,7 @@ public:
 	void updateToolTipVisibility();
 
 	void getToolTipMessage(std::string & message);
+    bool isTooltipPastable();
 
 private:
 	void createToolTip(const LLToolTip::Params& params);
diff --git a/indra/llui/llurlentry.cpp b/indra/llui/llurlentry.cpp
index 77e9edf5e5..05d821f5d8 100644
--- a/indra/llui/llurlentry.cpp
+++ b/indra/llui/llurlentry.cpp
@@ -234,14 +234,20 @@ bool LLUrlEntryBase::isWikiLinkCorrect(const std::string &labeled_url) const
 
 std::string LLUrlEntryBase::urlToLabelWithGreyQuery(const std::string &url) const
 {
+    if (url.empty())
+    {
+        return url;
+    }
 	LLUriParser up(escapeUrl(url));
-	up.normalize();
-
-	std::string label;
-	up.extractParts();
-	up.glueFirst(label);
+	if (up.normalize() == 0)
+    {
+        std::string label;
+        up.extractParts();
+        up.glueFirst(label);
 
-	return unescapeUrl(label);
+        return unescapeUrl(label);
+    }
+    return std::string();
 }
 
 std::string LLUrlEntryBase::urlToGreyQuery(const std::string &url) const
diff --git a/indra/llui/llurlregistry.cpp b/indra/llui/llurlregistry.cpp
index 3bd7321777..f1df7699e2 100644
--- a/indra/llui/llurlregistry.cpp
+++ b/indra/llui/llurlregistry.cpp
@@ -221,8 +221,10 @@ bool LLUrlRegistry::findUrl(const std::string &text, LLUrlMatch &match, const LL
 		if (match_entry == mUrlEntryTrusted)
 		{
 			LLUriParser up(url);
-			up.normalize();
-			url = up.normalizedUri();
+			if (up.normalize() == 0)
+            {
+                url = up.normalizedUri();
+            }
 		}
 
 		match.setValues(match_start, match_end,