merge with release

105 files changed, 1819 insertions, 1471 deletions

diff --git a/indra/llui/CMakeLists.txt b/indra/llui/CMakeLists.txt
index 589ceac501..52738aeb6f 100755
--- a/indra/llui/CMakeLists.txt
+++ b/indra/llui/CMakeLists.txt
@@ -61,7 +61,6 @@ set(llui_SOURCE_FILES
     llfolderview.cpp
     llfolderviewitem.cpp
     llfolderviewmodel.cpp
-    llfunctorregistry.cpp
     lliconctrl.cpp
     llkeywords.cpp
     lllayoutstack.cpp
@@ -145,6 +144,7 @@ set(llui_HEADER_FILES
     llbutton.h
     llcallbackmap.h
     llchatentry.h
+    llchat.h
     llcheckboxctrl.h
     llclipboard.h
     llcombobox.h
@@ -286,7 +286,9 @@ if(LL_TESTS)
   include(LLAddBuildTest)
   SET(llui_TEST_SOURCE_FILES
       llurlmatch.cpp
-      llurlentry.cpp
       )
   LL_ADD_PROJECT_UNIT_TESTS(llui "${llui_TEST_SOURCE_FILES}")
+  # INTEGRATION TESTS
+  set(test_libs llui llmessage llcommon ${LLCOMMON_LIBRARIES} ${WINDOWS_LIBRARIES})
+  LL_ADD_INTEGRATION_TEST(llurlentry llurlentry.cpp "${test_libs}")
 endif(LL_TESTS)
diff --git a/indra/llui/llaccordionctrl.cpp b/indra/llui/llaccordionctrl.cpp
index d636161baf..b787794b95 100755
--- a/indra/llui/llaccordionctrl.cpp
+++ b/indra/llui/llaccordionctrl.cpp
@@ -69,7 +69,7 @@ LLAccordionCtrl::LLAccordionCtrl(const Params& params):LLPanel(params)
 	mSingleExpansion = params.single_expansion;
 	if(mFitParent && !mSingleExpansion)
 	{
-		llinfos << "fit_parent works best when combined with single_expansion" << llendl;
+		LL_INFOS() << "fit_parent works best when combined with single_expansion" << LL_ENDL;
 	}
 }
 
@@ -845,7 +845,7 @@ void LLAccordionCtrl::sort()
 {
 	if (!mTabComparator)
 	{
-		llwarns << "No comparator specified for sorting accordion tabs." << llendl;
+		LL_WARNS() << "No comparator specified for sorting accordion tabs." << LL_ENDL;
 		return;
 	}
 
diff --git a/indra/llui/llaccordionctrltab.cpp b/indra/llui/llaccordionctrltab.cpp
index 43462bd244..53720a6044 100755
--- a/indra/llui/llaccordionctrltab.cpp
+++ b/indra/llui/llaccordionctrltab.cpp
@@ -444,9 +444,9 @@ void LLAccordionCtrlTab::changeOpenClose(bool is_open)
 	}
 }
 
-void LLAccordionCtrlTab::handleVisibilityChange(BOOL new_visibility)
+void LLAccordionCtrlTab::onVisibilityChange(BOOL new_visibility)
 {
-	LLUICtrl::handleVisibilityChange(new_visibility);
+	LLUICtrl::onVisibilityChange(new_visibility);
 
 	notifyParent(LLSD().with("child_visibility_change", new_visibility));
 }
diff --git a/indra/llui/llaccordionctrltab.h b/indra/llui/llaccordionctrltab.h
index dddaa581e6..7a78700e0f 100755
--- a/indra/llui/llaccordionctrltab.h
+++ b/indra/llui/llaccordionctrltab.h
@@ -158,7 +158,7 @@ public:
 	/**
 	 * Raises notifyParent event with "child_visibility_change" = new_visibility
 	 */
-	void handleVisibilityChange(BOOL new_visibility);
+	void onVisibilityChange(BOOL new_visibility);
 
 	// Changes expand/collapse state and triggers expand/collapse callbacks
 	virtual BOOL handleMouseDown(S32 x, S32 y, MASK mask);
diff --git a/indra/llui/llbadge.cpp b/indra/llui/llbadge.cpp
index 8ede4e3468..30cb18812b 100755
--- a/indra/llui/llbadge.cpp
+++ b/indra/llui/llbadge.cpp
@@ -105,7 +105,7 @@ LLBadge::LLBadge(const LLBadge::Params& p)
 {
 	if (mImage.isNull())
 	{
-		llwarns << "Badge: " << getName() << " with no image!" << llendl;
+		LL_WARNS() << "Badge: " << getName() << " with no image!" << LL_ENDL;
 	}
 
 	if (p.location_offset_hcenter.isProvided())
@@ -335,7 +335,7 @@ void LLBadge::draw()
 			}
 			else
 			{
-				lldebugs << "No image for badge " << getName() << " on owner " << owner_view->getName() << llendl;
+				LL_DEBUGS() << "No image for badge " << getName() << " on owner " << owner_view->getName() << LL_ENDL;
 				
 				renderBadgeBackground(badge_center_x, badge_center_y,
 									  badge_width, badge_height,
diff --git a/indra/llui/llbutton.cpp b/indra/llui/llbutton.cpp
index 50ac511d18..7de4d4f0f7 100755
--- a/indra/llui/llbutton.cpp
+++ b/indra/llui/llbutton.cpp
@@ -253,7 +253,7 @@ LLButton::LLButton(const LLButton::Params& p)
 	
 	if (mImageUnselected.isNull())
 	{
-		llwarns << "Button: " << getName() << " with no image!" << llendl;
+		LL_WARNS() << "Button: " << getName() << " with no image!" << LL_ENDL;
 	}
 	
 	if (p.click_callback.isProvided())
@@ -595,7 +595,7 @@ BOOL LLButton::handleHover(S32 x, S32 y, MASK mask)
 
 		// We only handle the click if the click both started and ended within us
 		getWindow()->setCursor(UI_CURSOR_ARROW);
-		lldebugst(LLERR_USER_INPUT) << "hover handled by " << getName() << llendl;
+		LL_DEBUGS("UserInput") << "hover handled by " << getName() << LL_ENDL;
 	}
 	return TRUE;
 }
@@ -782,12 +782,12 @@ void LLButton::draw()
 	if (use_glow_effect)
 	{
 		mCurGlowStrength = lerp(mCurGlowStrength,
-					mFlashing ? (mFlashingTimer->isCurrentlyHighlighted() || !mFlashingTimer->isFlashingInProgress() || mNeedsHighlight? 1.0 : 0.0) : mHoverGlowStrength,
-					LLCriticalDamp::getInterpolant(0.05f));
+					mFlashing ? (mFlashingTimer->isCurrentlyHighlighted() || !mFlashingTimer->isFlashingInProgress() || mNeedsHighlight? 1.f : 0.f) : mHoverGlowStrength,
+					LLSmoothInterpolation::getInterpolant(0.05f));
 	}
 	else
 	{
-		mCurGlowStrength = lerp(mCurGlowStrength, 0.f, LLCriticalDamp::getInterpolant(0.05f));
+		mCurGlowStrength = lerp(mCurGlowStrength, 0.f, LLSmoothInterpolation::getInterpolant(0.05f));
 	}
 
 	// Draw button image, if available.
@@ -820,7 +820,7 @@ void LLButton::draw()
 	else
 	{
 		// no image
-		lldebugs << "No image for button " << getName() << llendl;
+		LL_DEBUGS() << "No image for button " << getName() << LL_ENDL;
 		// draw it in pink so we can find it
 		gl_rect_2d(0, getRect().getHeight(), getRect().getWidth(), 0, LLColor4::pink1 % alpha, FALSE);
 	}
@@ -1044,7 +1044,7 @@ void LLButton::setImageUnselected(LLPointer<LLUIImage> image)
 	mImageUnselected = image;
 	if (mImageUnselected.isNull())
 	{
-		llwarns << "Setting default button image for: " << getName() << " to NULL" << llendl;
+		LL_WARNS() << "Setting default button image for: " << getName() << " to NULL" << LL_ENDL;
 	}
 }
 
diff --git a/indra/llui/llchat.h b/indra/llui/llchat.h
new file mode 100755
index 0000000000..f5b242fdfc
--- /dev/null
+++ b/indra/llui/llchat.h
@@ -0,0 +1,109 @@
+/** 
+ * @file llchat.h
+ * @author James Cook
+ * @brief Chat constants and data structures.
+ *
+ * $LicenseInfo:firstyear=2006&license=viewerlgpl$
+ * Second Life Viewer Source Code
+ * Copyright (C) 2010, Linden Research, Inc.
+ * 
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation;
+ * version 2.1 of the License only.
+ * 
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ * 
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
+ * 
+ * Linden Research, Inc., 945 Battery Street, San Francisco, CA  94111  USA
+ * $/LicenseInfo$
+ */
+
+#ifndef LL_LLCHAT_H
+#define LL_LLCHAT_H
+
+#include "lluuid.h"
+#include "v3math.h"
+
+// enumerations used by the chat system
+typedef enum e_chat_source_type
+{
+	CHAT_SOURCE_SYSTEM = 0,
+	CHAT_SOURCE_AGENT = 1,
+	CHAT_SOURCE_OBJECT = 2,
+	CHAT_SOURCE_UNKNOWN = 3
+} EChatSourceType;
+
+typedef enum e_chat_type
+{
+	CHAT_TYPE_WHISPER = 0,
+	CHAT_TYPE_NORMAL = 1,
+	CHAT_TYPE_SHOUT = 2,
+	CHAT_TYPE_START = 4,
+	CHAT_TYPE_STOP = 5,
+	CHAT_TYPE_DEBUG_MSG = 6,
+	CHAT_TYPE_REGION = 7,
+	CHAT_TYPE_OWNER = 8,
+	CHAT_TYPE_DIRECT = 9		// From llRegionSayTo()
+} EChatType;
+
+typedef enum e_chat_audible_level
+{
+	CHAT_AUDIBLE_NOT = -1,
+	CHAT_AUDIBLE_BARELY = 0,
+	CHAT_AUDIBLE_FULLY = 1
+} EChatAudible;
+
+typedef enum e_chat_style
+{
+	CHAT_STYLE_NORMAL,
+	CHAT_STYLE_IRC,
+	CHAT_STYLE_HISTORY
+}EChatStyle;
+
+// A piece of chat
+class LLChat
+{
+public:
+	LLChat(const std::string& text = std::string())
+	:	mText(text),
+		mFromName(),
+		mFromID(),
+		mNotifId(),
+		mOwnerID(),
+		mSourceType(CHAT_SOURCE_AGENT),
+		mChatType(CHAT_TYPE_NORMAL),
+		mAudible(CHAT_AUDIBLE_FULLY),
+		mMuted(FALSE),
+		mTime(0.0),
+		mTimeStr(),
+		mPosAgent(),
+		mURL(),
+		mChatStyle(CHAT_STYLE_NORMAL),
+		mSessionID()
+	{ }
+	
+	std::string		mText;		// UTF-8 line of text
+	std::string		mFromName;	// agent or object name
+	LLUUID			mFromID;	// agent id or object id
+	LLUUID			mNotifId;
+	LLUUID			mOwnerID;
+	EChatSourceType	mSourceType;
+	EChatType		mChatType;
+	EChatAudible	mAudible;
+	BOOL			mMuted;		// pass muted chat to maintain list of chatters
+	F64				mTime;		// viewer only, seconds from viewer start
+	std::string		mTimeStr;
+	LLVector3		mPosAgent;
+	std::string		mURL;
+	EChatStyle		mChatStyle;
+	LLUUID			mSessionID;
+};
+
+#endif
diff --git a/indra/llui/llclipboard.cpp b/indra/llui/llclipboard.cpp
index 14173fdbb0..1d18cb2bb0 100755
--- a/indra/llui/llclipboard.cpp
+++ b/indra/llui/llclipboard.cpp
@@ -88,6 +88,7 @@ bool LLClipboard::pasteFromClipboard(std::vector<LLUUID>& inv_objects) const
 {
 	bool res = false;
 	S32 count = mObjects.size();
+	inv_objects.reserve(inv_objects.size() + count);
 	if (count > 0)
 	{
 		res = true;
diff --git a/indra/llui/llclipboard.h b/indra/llui/llclipboard.h
index fd2e7610df..58d80e2687 100755
--- a/indra/llui/llclipboard.h
+++ b/indra/llui/llclipboard.h
@@ -31,7 +31,6 @@
 
 #include "llstring.h"
 #include "lluuid.h"
-#include "stdenums.h"
 #include "llsingleton.h"
 #include "llassettype.h"
 #include "llinventory.h"
diff --git a/indra/llui/llcommandmanager.cpp b/indra/llui/llcommandmanager.cpp
index 49cfb2255e..176ff36359 100755
--- a/indra/llui/llcommandmanager.cpp
+++ b/indra/llui/llcommandmanager.cpp
@@ -141,7 +141,7 @@ void LLCommandManager::addCommand(LLCommand * command)
 	mCommandIndices[command_id.uuid()] = mCommands.size();
 	mCommands.push_back(command);
 
-	lldebugs << "Successfully added command: " << command->name() << llendl;
+	LL_DEBUGS() << "Successfully added command: " << command->name() << LL_ENDL;
 }
 
 //static
@@ -157,13 +157,13 @@ bool LLCommandManager::load()
 	
 	if (!parser.readXUI(commands_file, commandsParams))
 	{
-		llerrs << "Unable to load xml file: " << commands_file << llendl;
+		LL_ERRS() << "Unable to load xml file: " << commands_file << LL_ENDL;
 		return false;
 	}
 
 	if (!commandsParams.validateBlock())
 	{
-		llerrs << "Invalid commands file: " << commands_file << llendl;
+		LL_ERRS() << "Invalid commands file: " << commands_file << LL_ENDL;
 		return false;
 	}
 
diff --git a/indra/llui/llcontainerview.cpp b/indra/llui/llcontainerview.cpp
index e08ccb0b78..727fbe850e 100755
--- a/indra/llui/llcontainerview.cpp
+++ b/indra/llui/llcontainerview.cpp
@@ -49,7 +49,6 @@ LLContainerView::LLContainerView(const LLContainerView::Params& p)
 	mLabel(p.label),
 	mDisplayChildren(p.display_children)
 {
-	mCollapsible = TRUE;
 	mScrollContainer = NULL;
 }
 
@@ -75,6 +74,11 @@ bool LLContainerView::addChild(LLView* child, S32 tab_group)
 	return res;
 }
 
+BOOL LLContainerView::handleDoubleClick(S32 x, S32 y, MASK mask)
+{
+	return handleMouseDown(x, y, mask);
+}
+
 BOOL LLContainerView::handleMouseDown(S32 x, S32 y, MASK mask)
 {
 	BOOL handled = FALSE;
@@ -84,7 +88,7 @@ BOOL LLContainerView::handleMouseDown(S32 x, S32 y, MASK mask)
 	}
 	if (!handled)
 	{
-		if( mCollapsible && mShowLabel && (y >= getRect().getHeight() - 10) )
+		if( mShowLabel && (y >= getRect().getHeight() - 10) )
 		{
 			setDisplayChildren(!mDisplayChildren);
 			reshape(getRect().getWidth(), getRect().getHeight(), FALSE);
@@ -163,7 +167,7 @@ void LLContainerView::arrange(S32 width, S32 height, BOOL called_from_parent)
 	//LLView *childp;
 
 	// These will be used for the children
-	left = 4;
+	left = 10;
 	top = getRect().getHeight() - 4;
 	right = width - 2;
 	bottom = top;
@@ -184,7 +188,7 @@ void LLContainerView::arrange(S32 width, S32 height, BOOL called_from_parent)
 			LLView *childp = *child_iter;
 			if (!childp->getVisible())
 			{
-				llwarns << "Incorrect visibility!" << llendl;
+				LL_WARNS() << "Incorrect visibility!" << LL_ENDL;
 			}
 			LLRect child_rect = childp->getRequiredRect();
 			child_height += child_rect.getHeight();
diff --git a/indra/llui/llcontainerview.h b/indra/llui/llcontainerview.h
index e81600fd6c..ac92b19977 100755
--- a/indra/llui/llcontainerview.h
+++ b/indra/llui/llcontainerview.h
@@ -66,6 +66,7 @@ public:
 	/*virtual*/ BOOL postBuild();
 	/*virtual*/ bool addChild(LLView* view, S32 tab_group = 0);
 	
+	/*virtual*/ BOOL handleDoubleClick(S32 x, S32 y, MASK mask);
 	/*virtual*/ BOOL handleMouseDown(S32 x, S32 y, MASK mask);
 	/*virtual*/ BOOL handleMouseUp(S32 x, S32 y, MASK mask);
 
@@ -87,8 +88,5 @@ public:
 protected:
 	BOOL mDisplayChildren;
 	std::string mLabel;
-public:
-	BOOL mCollapsible;
-
 };
 #endif // LL_CONTAINERVIEW_
diff --git a/indra/llui/llctrlselectioninterface.h b/indra/llui/llctrlselectioninterface.h
index 2cdcbd88fe..a7b089c8f9 100755
--- a/indra/llui/llctrlselectioninterface.h
+++ b/indra/llui/llctrlselectioninterface.h
@@ -28,8 +28,8 @@
 #define LLCTRLSELECTIONINTERFACE_H
 
 #include "stdtypes.h"
-#include "stdenums.h"
 #include "llstring.h"
+#include "llui.h"
 
 class LLSD;
 class LLUUID;
diff --git a/indra/llui/lldraghandle.cpp b/indra/llui/lldraghandle.cpp
index 5f69c6af31..b7f67f8556 100755
--- a/indra/llui/lldraghandle.cpp
+++ b/indra/llui/lldraghandle.cpp
@@ -365,13 +365,13 @@ BOOL LLDragHandle::handleHover(S32 x, S32 y, MASK mask)
 		mDragLastScreenY += delta_y;
 
 		getWindow()->setCursor(UI_CURSOR_ARROW);
-		lldebugst(LLERR_USER_INPUT) << "hover handled by " << getName() << " (active)" <<llendl;		
+		LL_DEBUGS("UserInput") << "hover handled by " << getName() << " (active)" <<LL_ENDL;		
 		handled = TRUE;
 	}
 	else
 	{
 		getWindow()->setCursor(UI_CURSOR_ARROW);
-		lldebugst(LLERR_USER_INPUT) << "hover handled by " << getName() << " (inactive)" << llendl;		
+		LL_DEBUGS("UserInput") << "hover handled by " << getName() << " (inactive)" << LL_ENDL;		
 		handled = TRUE;
 	}
 
diff --git a/indra/llui/llflashtimer.cpp b/indra/llui/llflashtimer.cpp
index e49628acd5..6d9c429b08 100755
--- a/indra/llui/llflashtimer.cpp
+++ b/indra/llui/llflashtimer.cpp
@@ -23,29 +23,27 @@
  * Linden Research, Inc., 945 Battery Street, San Francisco, CA  94111  USA
  * $/LicenseInfo$
  */
-#include "../newview/llviewerprecompiledheaders.h"
-
 #include "llflashtimer.h"
-#include "../newview/llviewercontrol.h"
 #include "lleventtimer.h"
+#include "llui.h"
 
 LLFlashTimer::LLFlashTimer(callback_t cb, S32 count, F32 period)
-		: LLEventTimer(period)
-		, mCallback(cb)
-		, mCurrentTickCount(0)
-        , mIsFlashingInProgress(false)
-        , mIsCurrentlyHighlighted(false)
-        , mUnset(false)
+:	LLEventTimer(period),
+	mCallback(cb),
+	mCurrentTickCount(0),
+    mIsFlashingInProgress(false),
+    mIsCurrentlyHighlighted(false),
+    mUnset(false)
 {
 	mEventTimer.stop();
 
 	// By default use settings from settings.xml to be able change them via Debug settings. See EXT-5973.
 	// Due to Timer is implemented as derived class from EventTimer it is impossible to change period
 	// in runtime. So, both settings are made as required restart.
-	mFlashCount = 2 * ((count > 0) ? count : gSavedSettings.getS32("FlashCount"));
+	mFlashCount = 2 * ((count > 0) ? count : LLUI::sSettingGroups["config"]->getS32("FlashCount"));
 	if (mPeriod <= 0)
 	{
-		mPeriod = gSavedSettings.getF32("FlashPeriod");
+		mPeriod = LLUI::sSettingGroups["config"]->getF32("FlashPeriod");
 	}
 }
 
diff --git a/indra/llui/llflashtimer.h b/indra/llui/llflashtimer.h
index c60f99a8ea..db8d49f009 100755
--- a/indra/llui/llflashtimer.h
+++ b/indra/llui/llflashtimer.h
@@ -28,6 +28,7 @@
 #define LL_FLASHTIMER_H
 
 #include "lleventtimer.h"
+#include "boost/function.hpp"
 
 class LLFlashTimer : public LLEventTimer
 {
diff --git a/indra/llui/llflatlistview.cpp b/indra/llui/llflatlistview.cpp
index 97a52fada4..299f5e42d4 100755
--- a/indra/llui/llflatlistview.cpp
+++ b/indra/llui/llflatlistview.cpp
@@ -347,7 +347,7 @@ void LLFlatListView::sort()
 {
 	if (!mItemComparator)
 	{
-		llwarns << "No comparator specified for sorting FlatListView items." << llendl;
+		LL_WARNS() << "No comparator specified for sorting FlatListView items." << LL_ENDL;
 		return;
 	}
 
@@ -520,7 +520,7 @@ void LLFlatListView::onItemMouseClick(item_pair_t* item_pair, MASK mask)
 
 	if (!item_pair->first) 
 	{
-		llwarning("Attempt to selet an item pair containing null panel item", 0);
+		LL_WARNS() << "Attempt to selet an item pair containing null panel item" << LL_ENDL;
 		return;
 	}
 
diff --git a/indra/llui/llfloater.cpp b/indra/llui/llfloater.cpp
index 6e6bcd6ab5..8efd9ba3d0 100755
--- a/indra/llui/llfloater.cpp
+++ b/indra/llui/llfloater.cpp
@@ -133,7 +133,7 @@ bool LLFloater::KeyCompare::compare(const LLSD& a, const LLSD& b)
 {
 	if (a.type() != b.type())
 	{
-		//llerrs << "Mismatched LLSD types: (" << a << ") mismatches (" << b << ")" << llendl;
+		//LL_ERRS() << "Mismatched LLSD types: (" << a << ") mismatches (" << b << ")" << LL_ENDL;
 		return false;
 	}
 	else if (a.isUndefined())
@@ -587,7 +587,7 @@ LLControlGroup*	LLFloater::getControlGroup()
 
 void LLFloater::setVisible( BOOL visible )
 {
-	LLPanel::setVisible(visible); // calls handleVisibilityChange()
+	LLPanel::setVisible(visible); // calls onVisibilityChange()
 	if( visible && mFirstLook )
 	{
 		mFirstLook = FALSE;
@@ -630,24 +630,24 @@ void LLFloater::setIsSingleInstance(BOOL is_single_instance)
 
 
 // virtual
-void LLFloater::handleVisibilityChange ( BOOL new_visibility )
+void LLFloater::onVisibilityChange ( BOOL new_visibility )
 {
 	if (new_visibility)
 	{
 		if (getHost())
 			getHost()->setFloaterFlashing(this, FALSE);
 	}
-	LLPanel::handleVisibilityChange ( new_visibility );
+	LLPanel::onVisibilityChange ( new_visibility );
 }
 
 void LLFloater::openFloater(const LLSD& key)
 {
-    llinfos << "Opening floater " << getName() << " full path: " << getPathname() << llendl;
+    LL_INFOS() << "Opening floater " << getName() << " full path: " << getPathname() << LL_ENDL;
 
 	LLViewerEventRecorder::instance().logVisibilityChange( getPathname(), getName(), true,"floater"); // Last param is event subtype or empty string
 
 	mKey = key; // in case we need to open ourselves again
-
+	
 	if (getSoundFlags() != SILENT 
 	// don't play open sound for hosted (tabbed) windows
 		&& !getHost() 
@@ -698,7 +698,7 @@ void LLFloater::openFloater(const LLSD& key)
 
 void LLFloater::closeFloater(bool app_quitting)
 {
-	llinfos << "Closing floater " << getName() << llendl;
+	LL_INFOS() << "Closing floater " << getName() << LL_ENDL;
 	LLViewerEventRecorder::instance().logVisibilityChange( getPathname(), getName(), false,"floater"); // Last param is event subtype or empty string
 	if (app_quitting)
 	{
@@ -796,7 +796,7 @@ void LLFloater::closeFloater(bool app_quitting)
 		}
 		else
 		{
-			setVisible(FALSE); // hide before destroying (so handleVisibilityChange() gets called)
+			setVisible(FALSE); // hide before destroying (so onVisibilityChange() gets called)
 			if (!mReuseInstance)
 			{
 				destroy();
@@ -1095,7 +1095,7 @@ BOOL LLFloater::canSnapTo(const LLView* other_view)
 {
 	if (NULL == other_view)
 	{
-		llwarns << "other_view is NULL" << llendl;
+		LL_WARNS() << "other_view is NULL" << LL_ENDL;
 		return FALSE;
 	}
 
@@ -1150,11 +1150,11 @@ void LLFloater::handleReshape(const LLRect& new_rect, bool by_user)
 			{
 				setDocked( false, false);
 			}
-			storeRectControl();
-			mPositioning = LLFloaterEnums::POSITIONING_RELATIVE;
-			LLRect screen_rect = calcScreenRect();
-			mPosition = LLCoordGL(screen_rect.getCenterX(), screen_rect.getCenterY()).convert();
-		}
+		storeRectControl();
+		mPositioning = LLFloaterEnums::POSITIONING_RELATIVE;
+		LLRect screen_rect = calcScreenRect();
+		mPosition = LLCoordGL(screen_rect.getCenterX(), screen_rect.getCenterY()).convert();
+	}
 
 		// gather all snapped dependents
 		for(handle_set_iter_t dependent_it = mDependents.begin();
@@ -1549,7 +1549,7 @@ BOOL LLFloater::handleScrollWheel(S32 x, S32 y, S32 clicks)
 // virtual
 BOOL LLFloater::handleMouseUp(S32 x, S32 y, MASK mask)
 {
-	lldebugs << "LLFloater::handleMouseUp calling LLPanel (really LLView)'s handleMouseUp (first initialized xui to: " << getPathname() << " )" << llendl;
+	LL_DEBUGS() << "LLFloater::handleMouseUp calling LLPanel (really LLView)'s handleMouseUp (first initialized xui to: " << getPathname() << " )" << LL_ENDL;
 	BOOL handled = LLPanel::handleMouseUp(x,y,mask); // Not implemented in LLPanel so this actually calls LLView
 	if (handled) {
 		LLViewerEventRecorder::instance().updateMouseEventInfo(x,y,-55,-55,getPathname());
@@ -2924,13 +2924,6 @@ void LLFloaterView::syncFloaterTabOrder()
 			}
 		}
 	}
-
-	// sync draw order to tab order
-	for ( child_list_const_reverse_iter_t child_it = getChildList()->rbegin(); child_it != getChildList()->rend(); ++child_it)
-	{
-		LLFloater* floaterp = (LLFloater*)*child_it;
-		moveChildToFrontOfTabGroup(floaterp);
-	}
 }
 
 LLFloater*	LLFloaterView::getParentFloater(LLView* viewp) const
@@ -3133,8 +3126,8 @@ boost::signals2::connection LLFloater::setCloseCallback( const commit_signal_t::
 	return mCloseSignal.connect(cb);
 }
 
-LLFastTimer::DeclareTimer POST_BUILD("Floater Post Build");
-static LLFastTimer::DeclareTimer FTM_EXTERNAL_FLOATER_LOAD("Load Extern Floater Reference");
+LLTrace::BlockTimerStatHandle POST_BUILD("Floater Post Build");
+static LLTrace::BlockTimerStatHandle FTM_EXTERNAL_FLOATER_LOAD("Load Extern Floater Reference");
 
 bool LLFloater::initFloaterXML(LLXMLNodePtr node, LLView *parent, const std::string& filename, LLXMLNodePtr output_node)
 {
@@ -3158,16 +3151,16 @@ bool LLFloater::initFloaterXML(LLXMLNodePtr node, LLView *parent, const std::str
 			parser.readXUI(node, output_params, LLUICtrlFactory::getInstance()->getCurFileName());
 			setupParamsForExport(output_params, parent);
 			output_node->setName(node->getName()->mString);
-			parser.writeXUI(output_node, output_params, &default_params);
+			parser.writeXUI(output_node, output_params, LLInitParam::default_parse_rules(), &default_params);
 			return TRUE;
 		}
 
 		LLUICtrlFactory::instance().pushFileName(xml_filename);
 
-		LLFastTimer _(FTM_EXTERNAL_FLOATER_LOAD);
+		LL_RECORD_BLOCK_TIME(FTM_EXTERNAL_FLOATER_LOAD);
 		if (!LLUICtrlFactory::getLayeredXMLNode(xml_filename, referenced_xml))
 		{
-			llwarns << "Couldn't parse panel from: " << xml_filename << llendl;
+			LL_WARNS() << "Couldn't parse panel from: " << xml_filename << LL_ENDL;
 
 			return FALSE;
 		}
@@ -3188,9 +3181,8 @@ bool LLFloater::initFloaterXML(LLXMLNodePtr node, LLView *parent, const std::str
 	{
 		Params output_params(params);
 		setupParamsForExport(output_params, parent);
-        Params default_params(LLUICtrlFactory::getDefaultParams<LLFloater>());
 		output_node->setName(node->getName()->mString);
-		parser.writeXUI(output_node, output_params, &default_params);
+		parser.writeXUI(output_node, output_params, LLInitParam::default_parse_rules(), &default_params);
 	}
 
 	// Default floater position to top-left corner of screen
@@ -3242,14 +3234,14 @@ bool LLFloater::initFloaterXML(LLXMLNodePtr node, LLView *parent, const std::str
 
 	BOOL result;
 	{
-		LLFastTimer ft(POST_BUILD);
+		LL_RECORD_BLOCK_TIME(POST_BUILD);
 
 		result = postBuild();
 	}
 
 	if (!result)
 	{
-		llerrs << "Failed to construct floater " << getName() << llendl;
+		LL_ERRS() << "Failed to construct floater " << getName() << LL_ENDL;
 	}
 
 	applyRectControl(); // If we have a saved rect control, apply it
@@ -3290,29 +3282,29 @@ bool LLFloater::isVisible(const LLFloater* floater)
     return floater && floater->getVisible();
 }
 
-static LLFastTimer::DeclareTimer FTM_BUILD_FLOATERS("Build Floaters");
+static LLTrace::BlockTimerStatHandle FTM_BUILD_FLOATERS("Build Floaters");
 
 bool LLFloater::buildFromFile(const std::string& filename)
 {
-	LLFastTimer timer(FTM_BUILD_FLOATERS);
+	LL_RECORD_BLOCK_TIME(FTM_BUILD_FLOATERS);
 	LLXMLNodePtr root;
 
 	if (!LLUICtrlFactory::getLayeredXMLNode(filename, root))
 	{
-		llwarns << "Couldn't find (or parse) floater from: " << filename << llendl;
+		LL_WARNS() << "Couldn't find (or parse) floater from: " << filename << LL_ENDL;
 		return false;
 	}
 	
 	// root must be called floater
 	if( !(root->hasName("floater") || root->hasName("multi_floater")) )
 	{
-		llwarns << "Root node should be named floater in: " << filename << llendl;
+		LL_WARNS() << "Root node should be named floater in: " << filename << LL_ENDL;
 		return false;
 	}
 	
 	bool res = true;
 	
-	lldebugs << "Building floater " << filename << llendl;
+	LL_DEBUGS() << "Building floater " << filename << LL_ENDL;
 	LLUICtrlFactory::instance().pushFileName(filename);
 	{
 		if (!getFactoryMap().empty())
diff --git a/indra/llui/llfloater.h b/indra/llui/llfloater.h
index 75715ef296..b3389dd2b0 100755
--- a/indra/llui/llfloater.h
+++ b/indra/llui/llfloater.h
@@ -307,7 +307,7 @@ public:
 	virtual BOOL	canClose() { return TRUE; }
 
 	/*virtual*/ void setVisible(BOOL visible); // do not override
-	/*virtual*/ void handleVisibilityChange ( BOOL new_visibility ); // do not override
+	/*virtual*/ void onVisibilityChange ( BOOL new_visibility ); // do not override
 	
 	void			setFrontmost(BOOL take_focus = TRUE);
     virtual void	setVisibleAndFrontmost(BOOL take_focus=TRUE, const LLSD& key = LLSD());    
diff --git a/indra/llui/llfloaterreg.cpp b/indra/llui/llfloaterreg.cpp
index b1b75776a7..9ef290abc0 100755
--- a/indra/llui/llfloaterreg.cpp
+++ b/indra/llui/llfloaterreg.cpp
@@ -151,13 +151,13 @@ LLFloater* LLFloaterReg::getInstance(const std::string& name, const LLSD& key)
 				res = build_func(key);
 				if (!res)
 				{
-					llwarns << "Failed to build floater type: '" << name << "'." << llendl;
+					LL_WARNS() << "Failed to build floater type: '" << name << "'." << LL_ENDL;
 					return NULL;
 				}
 				bool success = res->buildFromFile(xui_file);
 				if (!success)
 				{
-					llwarns << "Failed to build floater type: '" << name << "'." << llendl;
+					LL_WARNS() << "Failed to build floater type: '" << name << "'." << LL_ENDL;
 					return NULL;
 				}
 
@@ -179,7 +179,7 @@ LLFloater* LLFloaterReg::getInstance(const std::string& name, const LLSD& key)
 		}
 		if (!res)
 		{
-			llwarns << "Floater type: '" << name << "' not registered." << llendl;
+			LL_WARNS() << "Floater type: '" << name << "' not registered." << LL_ENDL;
 		}
 	}
 	return res;
@@ -475,7 +475,7 @@ void LLFloaterReg::toggleInstanceOrBringToFront(const LLSD& sdname, const LLSD&
 
 	if (!instance)
 	{
-		lldebugs << "Unable to get instance of floater '" << name << "'" << llendl;
+		LL_DEBUGS() << "Unable to get instance of floater '" << name << "'" << LL_ENDL;
 		return;
 	}
 	
diff --git a/indra/llui/llfloaterreg.h b/indra/llui/llfloaterreg.h
index a1e1f8a988..e3b17dcb4f 100755
--- a/indra/llui/llfloaterreg.h
+++ b/indra/llui/llfloaterreg.h
@@ -30,6 +30,7 @@
 #include "llrect.h"
 #include "llsd.h"
 
+#include <list>
 #include <boost/function.hpp>
 
 //*******************************************************
diff --git a/indra/llui/llfocusmgr.cpp b/indra/llui/llfocusmgr.cpp
index f03c8d444b..547f0bd398 100755
--- a/indra/llui/llfocusmgr.cpp
+++ b/indra/llui/llfocusmgr.cpp
@@ -358,11 +358,11 @@ void LLFocusMgr::setMouseCapture( LLMouseHandler* new_captor )
 		{
 			if (new_captor)
 			{
-				llinfos << "New mouse captor: " << new_captor->getName() << llendl;
+				LL_INFOS() << "New mouse captor: " << new_captor->getName() << LL_ENDL;
 			}
 			else
 			{
-				llinfos << "New mouse captor: NULL" << llendl;
+				LL_INFOS() << "New mouse captor: NULL" << LL_ENDL;
 			}
 		}
 			
diff --git a/indra/llui/llfolderview.cpp b/indra/llui/llfolderview.cpp
index f32a52e6c6..0243e45e17 100755
--- a/indra/llui/llfolderview.cpp
+++ b/indra/llui/llfolderview.cpp
@@ -174,6 +174,7 @@ LLFolderView::LLFolderView(const Params& p)
 	mShowItemLinkOverlays(p.show_item_link_overlays),
 	mViewModel(p.view_model)
 {
+	claimMem(mViewModel);
 	mViewModel->setFolderView(this);
 	mRoot = this;
 
@@ -255,8 +256,6 @@ LLFolderView::~LLFolderView( void )
 	mRenamer = NULL;
 	mStatusTextBox = NULL;
 
-	mAutoOpenItems.removeAllNodes();
-
 	if (mPopupMenuHandle.get()) mPopupMenuHandle.get()->die();
 
 	mAutoOpenItems.removeAllNodes();
@@ -319,12 +318,11 @@ S32 LLFolderView::arrange( S32* unused_width, S32* unused_height )
 	return llround(mTargetHeight);
 }
 
-static LLFastTimer::DeclareTimer FTM_FILTER("Filter Folder View");
+static LLTrace::BlockTimerStatHandle FTM_FILTER("Filter Folder View");
 
 void LLFolderView::filter( LLFolderViewFilter& filter )
 {
-    // Entry point of inventory filtering (CHUI-849)
-	LLFastTimer t2(FTM_FILTER);
+	LL_RECORD_BLOCK_TIME(FTM_FILTER);
     filter.resetTime(llclamp(LLUI::sSettingGroups["config"]->getS32(mParentPanel->getVisible() ? "FilterItemsMaxTimePerFrameVisible" : "FilterItemsMaxTimePerFrameUnvisible"), 1, 100));
 
     // Note: we filter the model, not the view
@@ -484,10 +482,10 @@ BOOL LLFolderView::changeSelection(LLFolderViewItem* selection, BOOL selected)
 	return rv;
 }
 
-static LLFastTimer::DeclareTimer FTM_SANITIZE_SELECTION("Sanitize Selection");
+static LLTrace::BlockTimerStatHandle FTM_SANITIZE_SELECTION("Sanitize Selection");
 void LLFolderView::sanitizeSelection()
 {
-	LLFastTimer _(FTM_SANITIZE_SELECTION);
+	LL_RECORD_BLOCK_TIME(FTM_SANITIZE_SELECTION);
 	// store off current item in case it is automatically deselected
 	// and we want to preserve context
 	LLFolderViewItem* original_selected_item = getCurSelectedItem();
@@ -738,7 +736,7 @@ void LLFolderView::removeSelectedItems()
 			}
 			else
 			{
-				llinfos << "Cannot delete " << item->getName() << llendl;
+				LL_INFOS() << "Cannot delete " << item->getName() << LL_ENDL;
 				return;
 			}
 		}
@@ -764,20 +762,21 @@ void LLFolderView::removeSelectedItems()
 		}
 		else if (count > 1)
 		{
-			LLDynamicArray<LLFolderViewModelItem*> listeners;
+			std::vector<LLFolderViewModelItem*> listeners;
 			LLFolderViewModelItem* listener;
 
 			setSelection(item_to_select, item_to_select ? item_to_select->isOpen() : false, mParentPanel->hasFocus());
 
+			listeners.reserve(count);
 			for(S32 i = 0; i < count; ++i)
 			{
 				listener = items[i]->getViewModelItem();
-				if(listener && (listeners.find(listener) == LLDynamicArray<LLFolderViewModelItem*>::FAIL))
+				if(listener && (std::find(listeners.begin(), listeners.end(), listener) == listeners.end()))
 				{
-					listeners.put(listener);
+					listeners.push_back(listener);
 				}
 			}
-			listener = static_cast<LLFolderViewModelItem*>(listeners.get(0));
+			listener = static_cast<LLFolderViewModelItem*>(listeners.at(0));
 			if(listener)
 			{
 				listener->removeBatch(listeners);
@@ -1284,7 +1283,7 @@ BOOL LLFolderView::handleUnicodeCharHere(llwchar uni_char)
 
 	if (uni_char > 0x7f)
 	{
-		llwarns << "LLFolderView::handleUnicodeCharHere - Don't handle non-ascii yet, aborting" << llendl;
+		LL_WARNS() << "LLFolderView::handleUnicodeCharHere - Don't handle non-ascii yet, aborting" << LL_ENDL;
 		return FALSE;
 	}
 
@@ -1580,7 +1579,7 @@ BOOL LLFolderView::getShowSelectionContext()
 	return FALSE;
 }
 
-void LLFolderView::setShowSingleSelection(BOOL show)
+void LLFolderView::setShowSingleSelection(bool show)
 {
 	if (show != mShowSingleSelection)
 	{
@@ -1589,15 +1588,15 @@ void LLFolderView::setShowSingleSelection(BOOL show)
 	}
 }
 
-static LLFastTimer::DeclareTimer FTM_AUTO_SELECT("Open and Select");
-static LLFastTimer::DeclareTimer FTM_INVENTORY("Inventory");
+static LLTrace::BlockTimerStatHandle FTM_AUTO_SELECT("Open and Select");
+static LLTrace::BlockTimerStatHandle FTM_INVENTORY("Inventory");
 
 // Main idle routine
 void LLFolderView::update()
 {
 	// If this is associated with the user's inventory, don't do anything
 	// until that inventory is loaded up.
-	LLFastTimer t2(FTM_INVENTORY);
+	LL_RECORD_BLOCK_TIME(FTM_INVENTORY);
 
 	if (getFolderViewModel()->getFilter().isModified() && getFolderViewModel()->getFilter().isNotDefault())
 	{
@@ -1617,7 +1616,7 @@ void LLFolderView::update()
 	// automatically show matching items, and select first one if we had a selection
 	if (mNeedsAutoSelect)
 	{
-		LLFastTimer t3(FTM_AUTO_SELECT);
+		LL_RECORD_BLOCK_TIME(FTM_AUTO_SELECT);
 		// select new item only if a filtered item not currently selected
 		LLFolderViewItem* selected_itemp = mSelectedItems.empty() ? NULL : mSelectedItems.back();
 		if (!mAutoSelectOverride && (!selected_itemp || !selected_itemp->getViewModelItem()->potentiallyVisible()))
@@ -1750,14 +1749,14 @@ void LLFolderView::update()
 
 void LLFolderView::dumpSelectionInformation()
 {
-	llinfos << "LLFolderView::dumpSelectionInformation()" << llendl;
-	llinfos << "****************************************" << llendl;
+	LL_INFOS() << "LLFolderView::dumpSelectionInformation()" << LL_NEWLINE
+				<< "****************************************" << LL_ENDL;
 	selected_items_t::iterator item_it;
 	for (item_it = mSelectedItems.begin(); item_it != mSelectedItems.end(); ++item_it)
 	{
-		llinfos << "  " << (*item_it)->getName() << llendl;
+		LL_INFOS() << "  " << (*item_it)->getName() << LL_ENDL;
 	}
-	llinfos << "****************************************" << llendl;
+	LL_INFOS() << "****************************************" << LL_ENDL;
 }
 
 void LLFolderView::updateRenamerPosition()
diff --git a/indra/llui/llfolderview.h b/indra/llui/llfolderview.h
index 11fccdace4..4ef685ba0c 100755
--- a/indra/llui/llfolderview.h
+++ b/indra/llui/llfolderview.h
@@ -39,7 +39,6 @@
 
 #include "lluictrl.h"
 #include "v4color.h"
-#include "stdenums.h"
 #include "lldepthstack.h"
 #include "lleditmenuhandler.h"
 #include "llfontgl.h"
@@ -209,9 +208,9 @@ public:
 	LLRect getVisibleRect();
 
 	BOOL search(LLFolderViewItem* first_item, const std::string &search_string, BOOL backward);
-	void setShowSelectionContext(BOOL show) { mShowSelectionContext = show; }
+	void setShowSelectionContext(bool show) { mShowSelectionContext = show; }
 	BOOL getShowSelectionContext();
-	void setShowSingleSelection(BOOL show);
+	void setShowSingleSelection(bool show);
 	BOOL getShowSingleSelection() { return mShowSingleSelection; }
 	F32  getSelectionFadeElapsedTime() { return mMultiSelectionFadeTimer.getElapsedTimeF32(); }
 	bool getUseEllipses() { return mUseEllipses; }
@@ -261,31 +260,32 @@ protected:
 	LLHandle<LLView>					mPopupMenuHandle;
 	
 	selected_items_t				mSelectedItems;
-	BOOL							mKeyboardSelection;
-	BOOL							mAllowMultiSelect;
-	BOOL							mShowEmptyMessage;
-	BOOL							mShowFolderHierarchy;
+	bool							mKeyboardSelection,
+									mAllowMultiSelect,
+									mShowEmptyMessage,
+									mShowFolderHierarchy,
+									mNeedsScroll,
+									mPinningSelectedItem,
+									mNeedsAutoSelect,
+									mAutoSelectOverride,
+									mNeedsAutoRename,
+									mUseLabelSuffix,
+									mDragAndDropThisFrame,
+									mShowItemLinkOverlays,
+									mShowSelectionContext,
+									mShowSingleSelection;
 
 	// Renaming variables and methods
 	LLFolderViewItem*				mRenameItem;  // The item currently being renamed
 	LLLineEditor*					mRenamer;
 
-	BOOL							mNeedsScroll;
-	BOOL							mPinningSelectedItem;
 	LLRect							mScrollConstraintRect;
-	BOOL							mNeedsAutoSelect;
-	BOOL							mAutoSelectOverride;
-	BOOL							mNeedsAutoRename;
-	bool							mUseLabelSuffix;
-	bool							mShowItemLinkOverlays;
 	
 	LLDepthStack<LLFolderViewFolder>	mAutoOpenItems;
 	LLFolderViewFolder*				mAutoOpenCandidate;
 	LLFrameTimer					mAutoOpenTimer;
 	LLFrameTimer					mSearchTimer;
 	std::string						mSearchString;
-	BOOL							mShowSelectionContext;
-	BOOL							mShowSingleSelection;
 	LLFrameTimer					mMultiSelectionFadeTimer;
 	S32								mArrangeGeneration;
 
@@ -293,7 +293,6 @@ protected:
 	signal_t						mReshapeSignal;
 	S32								mSignalSelectCallback;
 	S32								mMinWidth;
-	BOOL							mDragAndDropThisFrame;
 	
 	LLPanel*						mParentPanel;
 	
diff --git a/indra/llui/llfolderviewitem.cpp b/indra/llui/llfolderviewitem.cpp
index aa2343226c..83254c2840 100644
--- a/indra/llui/llfolderviewitem.cpp
+++ b/indra/llui/llfolderviewitem.cpp
@@ -495,7 +495,7 @@ BOOL LLFolderViewItem::handleMouseDown( S32 x, S32 y, MASK mask )
 	// No handler needed for focus lost since this class has no
 	// state that depends on it.
 	gFocusMgr.setMouseCapture( this );
-    
+
 	if (!mIsSelected)
 	{
 		if(mask & MASK_CONTROL)
@@ -642,7 +642,7 @@ BOOL LLFolderViewItem::handleDragAndDrop(S32 x, S32 y, MASK mask, BOOL drop,
 	}
 	if (handled)
 	{
-		lldebugst(LLERR_USER_INPUT) << "dragAndDrop handled by LLFolderViewItem" << llendl;
+		LL_DEBUGS("UserInput") << "dragAndDrop handled by LLFolderViewItem" << LL_ENDL;
 	}
 
 	return handled;
@@ -712,7 +712,7 @@ void LLFolderViewItem::drawHighlight(const BOOL showContent, const BOOL hasKeybo
                 bg_color.mV[VALPHA] = clamp_rescale(fade_time, 0.f, 0.4f, 0.f, bg_color.mV[VALPHA]);
             }
         	gl_rect_2d(FOCUS_LEFT,
-					   focus_top,
+					   focus_top, 
 					   getRect().getWidth() - 2,
 					   focus_bottom,
 					   bg_color, hasKeyboardFocus);
@@ -866,7 +866,7 @@ void LLFolderViewItem::draw()
 						  LLFontGL::LEFT, LLFontGL::BOTTOM, LLFontGL::NORMAL, LLFontGL::NO_SHADOW,
 						  S32_MAX, S32_MAX, &right_x, FALSE );
 	}
-    
+
 	//--------------------------------------------------------------------------------//
 	// Highlight string match
 	//
@@ -888,7 +888,7 @@ const LLFolderViewModelInterface* LLFolderViewItem::getFolderViewModel( void ) c
 {
 	return getRoot()->getFolderViewModel();
 }
-
+		
 LLFolderViewModelInterface* LLFolderViewItem::getFolderViewModel( void )
 {
 	return getRoot()->getFolderViewModel();
@@ -925,11 +925,11 @@ void LLFolderViewFolder::updateLabelRotation()
 	}
 	else if (isOpen())
 	{
-		mControlLabelRotation = lerp(mControlLabelRotation, -90.f, LLCriticalDamp::getInterpolant(0.04f));
+		mControlLabelRotation = lerp(mControlLabelRotation, -90.f, LLSmoothInterpolation::getInterpolant(0.04f));
 	}
 	else
 	{
-		mControlLabelRotation = lerp(mControlLabelRotation, 0.f, LLCriticalDamp::getInterpolant(0.025f));
+		mControlLabelRotation = lerp(mControlLabelRotation, 0.f, LLSmoothInterpolation::getInterpolant(0.025f));
 	}
 }
 
@@ -952,7 +952,7 @@ void LLFolderViewFolder::addToFolder(LLFolderViewFolder* folder)
 		: 0; 
 }
 
-static LLFastTimer::DeclareTimer FTM_ARRANGE("Arrange");
+static LLTrace::BlockTimerStatHandle FTM_ARRANGE("Arrange");
 
 // Make everything right and in the right place ready for drawing (CHUI-849)
 // * Sort everything correctly if necessary
@@ -967,7 +967,7 @@ S32 LLFolderViewFolder::arrange( S32* width, S32* height )
     // Note that we sort from the root (CHUI-849)
 	getRoot()->getFolderViewModel()->sort(this);
 
-	LLFastTimer t2(FTM_ARRANGE);
+	LL_RECORD_BLOCK_TIME(FTM_ARRANGE);
 
 	// evaluate mHasVisibleChildren
 	mHasVisibleChildren = false;
@@ -1073,7 +1073,7 @@ S32 LLFolderViewFolder::arrange( S32* width, S32* height )
 	// animate current height towards target height
 	if (llabs(mCurHeight - mTargetHeight) > 1.f)
 	{
-		mCurHeight = lerp(mCurHeight, mTargetHeight, LLCriticalDamp::getInterpolant(isOpen() ? FOLDER_OPEN_TIME_CONSTANT : FOLDER_CLOSE_TIME_CONSTANT));
+		mCurHeight = lerp(mCurHeight, mTargetHeight, LLSmoothInterpolation::getInterpolant(isOpen() ? FOLDER_OPEN_TIME_CONSTANT : FOLDER_CLOSE_TIME_CONSTANT));
 
 		requestArrange();
 
@@ -1594,7 +1594,7 @@ void LLFolderViewFolder::addItem(LLFolderViewItem* item)
 	item->setVisible(FALSE);
 	
 	addChild(item);
-
+	
 	// When the model is already hooked into a hierarchy (i.e. has a parent), do not reparent it
 	// Note: this happens when models are created before views or shared between views
 	if (!item->getViewModelItem()->hasParent())
@@ -1767,7 +1767,7 @@ BOOL LLFolderViewFolder::handleDragAndDrop(S32 x, S32 y, MASK mask,
 	{
 		handleDragAndDropToThisFolder(mask, drop, cargo_type, cargo_data, accept, tooltip_msg);
 
-		lldebugst(LLERR_USER_INPUT) << "dragAndDrop handled by LLFolderViewFolder" << llendl;
+		LL_DEBUGS("UserInput") << "dragAndDrop handled by LLFolderViewFolder" << LL_ENDL;
 	}
 
 	return TRUE;
diff --git a/indra/llui/llfolderviewmodel.h b/indra/llui/llfolderviewmodel.h
index b1bcc8bbb4..c665dce509 100755
--- a/indra/llui/llfolderviewmodel.h
+++ b/indra/llui/llfolderviewmodel.h
@@ -108,9 +108,13 @@ public:
 	virtual S32 				getFirstRequiredGeneration() const = 0;
 };
 
-class LLFolderViewModelInterface
+class LLFolderViewModelInterface : public LLTrace::MemTrackable<LLFolderViewModelInterface>
 {
 public:
+	LLFolderViewModelInterface() 
+	:	LLTrace::MemTrackable<LLFolderViewModelInterface>("LLFolderViewModelInterface") 
+	{}
+
 	virtual ~LLFolderViewModelInterface() {}
 	virtual void requestSortAll() = 0;
 
@@ -128,10 +132,13 @@ public:
 
 // This is an abstract base class that users of the folderview classes
 // would use to bridge the folder view with the underlying data
-class LLFolderViewModelItem : public LLRefCount
+class LLFolderViewModelItem : public LLRefCount, public LLTrace::MemTrackable<LLFolderViewModelItem>
 {
 public:
-	LLFolderViewModelItem() { }
+	LLFolderViewModelItem() 
+	:	LLTrace::MemTrackable<LLFolderViewModelItem>("LLFolderViewModelItem") 
+	{}
+
 	virtual ~LLFolderViewModelItem() { }
 
 	virtual void update() {}	//called when drawing
@@ -336,18 +343,18 @@ protected:
 	virtual void setParent(LLFolderViewModelItem* parent) { mParent = parent; }
 	virtual bool hasParent() { return mParent != NULL; }
 
-	S32						mSortVersion;
-	bool					mPassedFilter;
-	bool					mPassedFolderFilter;
-	std::string::size_type	mStringMatchOffsetFilter;
-	std::string::size_type	mStringFilterSize;
+	S32							mSortVersion;
+	bool						mPassedFilter;
+	bool						mPassedFolderFilter;
+	std::string::size_type		mStringMatchOffsetFilter;
+	std::string::size_type		mStringFilterSize;
 
-	S32						mLastFilterGeneration;
-	S32						mLastFolderFilterGeneration;
-	S32						mMostFilteredDescendantGeneration;
+	S32							mLastFilterGeneration,
+								mLastFolderFilterGeneration,
+								mMostFilteredDescendantGeneration;
 
-	child_list_t			mChildren;
-	LLFolderViewModelItem*	mParent;
+	child_list_t				mChildren;
+	LLFolderViewModelItem*		mParent;
 	LLFolderViewModelInterface& mRootViewModel;
 
 	void setFolderViewItem(LLFolderViewItem* folder_view_item) { mFolderViewItem = folder_view_item;}
diff --git a/indra/llui/llfunctorregistry.cpp b/indra/llui/llfunctorregistry.cpp
deleted file mode 100755
index 8003324973..0000000000
--- a/indra/llui/llfunctorregistry.cpp
+++ /dev/null
@@ -1,33 +0,0 @@
-/**
- * @file llfunctorregistry.cpp
- * @author Kent Quirk
- * @brief Maintains a registry of named callback functors taking a single LLSD parameter
- *
- * $LicenseInfo:firstyear=2008&license=viewerlgpl$
- * Second Life Viewer Source Code
- * Copyright (C) 2010, Linden Research, Inc.
- * 
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation;
- * version 2.1 of the License only.
- * 
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Lesser General Public License for more details.
- * 
- * You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
- * 
- * Linden Research, Inc., 945 Battery Street, San Francisco, CA  94111  USA
- * $/LicenseInfo$
- **/
-
-#include "linden_common.h"
-#include "llfunctorregistry.h"
-
-// This is a default functor always resident in the system.
-// It's used whenever a functor isn't found in the registry, so that
-// we at least log the data relating to the user response.
diff --git a/indra/llui/llfunctorregistry.h b/indra/llui/llfunctorregistry.h
index beac212441..f5364f4863 100755
--- a/indra/llui/llfunctorregistry.h
+++ b/indra/llui/llfunctorregistry.h
@@ -75,7 +75,7 @@ public:
 		}
 		else
 		{
-			llerrs << "attempt to store duplicate name '" << name << "' in LLFunctorRegistry. NOT ADDED." << llendl;
+			LL_ERRS() << "attempt to store duplicate name '" << name << "' in LLFunctorRegistry. NOT ADDED." << LL_ENDL;
 			retval = false;
 		}
 		
@@ -86,7 +86,7 @@ public:
 	{
 		if (mMap.count(name) == 0)
 		{
-			llwarns << "trying to remove '" << name << "' from LLFunctorRegistry but it's not there." << llendl;
+			LL_WARNS() << "trying to remove '" << name << "' from LLFunctorRegistry but it's not there." << LL_ENDL;
 			return false;
 		}
 		mMap.erase(name);
@@ -101,7 +101,7 @@ public:
 		}
 		else
 		{
-			lldebugs << "tried to find '" << name << "' in LLFunctorRegistry, but it wasn't there." << llendl;
+			LL_DEBUGS() << "tried to find '" << name << "' in LLFunctorRegistry, but it wasn't there." << LL_ENDL;
 			return mMap[LOGFUNCTOR];
 		}
 	}
@@ -113,7 +113,7 @@ private:
 
 	static void log_functor(const LLSD& notification, const LLSD& payload)
 	{
-		lldebugs << "log_functor called with payload: " << payload << llendl;
+		LL_DEBUGS() << "log_functor called with payload: " << payload << LL_ENDL;
 	}
 
 	static void do_nothing(const LLSD& notification, const LLSD& payload)
diff --git a/indra/llui/lliconctrl.cpp b/indra/llui/lliconctrl.cpp
index 30b79b4d20..58b66f60ca 100755
--- a/indra/llui/lliconctrl.cpp
+++ b/indra/llui/lliconctrl.cpp
@@ -42,7 +42,9 @@ LLIconCtrl::Params::Params()
 :	image("image_name"),
 	color("color"),
 	use_draw_context_alpha("use_draw_context_alpha", true),
-	scale_image("scale_image")
+	scale_image("scale_image"),
+	min_width("min_width", 0),
+	min_height("min_height", 0)
 {}
 
 LLIconCtrl::LLIconCtrl(const LLIconCtrl::Params& p)
@@ -51,8 +53,8 @@ LLIconCtrl::LLIconCtrl(const LLIconCtrl::Params& p)
 	mImagep(p.image),
 	mUseDrawContextAlpha(p.use_draw_context_alpha),
 	mPriority(0),
-	mDrawWidth(0),
-	mDrawHeight(0)
+	mMinWidth(p.min_width),
+	mMinHeight(p.min_height)
 {
 	if (mImagep.notNull())
 	{
@@ -97,7 +99,13 @@ void LLIconCtrl::setValue(const LLSD& value )
 		mImagep = LLUI::getUIImage(tvalue.asString(), mPriority);
 	}
 
-	setIconImageDrawSize();
+	if(mImagep.notNull() 
+		&& mImagep->getImage().notNull() 
+		&& mMinWidth 
+		&& mMinHeight)
+	{
+		mImagep->getImage()->setKnownDrawSize(llmax(mMinWidth, mImagep->getWidth()), llmax(mMinHeight, mImagep->getHeight()));
+	}
 }
 
 std::string LLIconCtrl::getImageName() const
@@ -108,14 +116,4 @@ std::string LLIconCtrl::getImageName() const
 		return std::string();
 }
 
-void LLIconCtrl::setIconImageDrawSize()
-{
-	if(mImagep.notNull() && mDrawWidth && mDrawHeight)
-	{
-		if(mImagep->getImage().notNull())
-		{
-			mImagep->getImage()->setKnownDrawSize(mDrawWidth, mDrawHeight) ;
-		}
-	}
-}
 
diff --git a/indra/llui/lliconctrl.h b/indra/llui/lliconctrl.h
index efa0925a4a..8b1092df46 100755
--- a/indra/llui/lliconctrl.h
+++ b/indra/llui/lliconctrl.h
@@ -31,7 +31,6 @@
 #include "v4color.h"
 #include "lluictrl.h"
 #include "lluiimage.h"
-#include "stdenums.h"
 
 class LLTextBox;
 class LLUICtrlFactory;
@@ -50,7 +49,10 @@ public:
 		Optional<LLUIImage*>	image;
 		Optional<LLUIColor>		color;
 		Optional<bool>			use_draw_context_alpha;
+		Optional<S32>			min_width,
+								min_height;
 		Ignored					scale_image;
+
 		Params();
 	};
 protected:
@@ -72,15 +74,12 @@ public:
 	void			setImage(LLPointer<LLUIImage> image) { mImagep = image; }
 	const LLPointer<LLUIImage> getImage() { return mImagep; }
 	
-private:
-	void setIconImageDrawSize() ;
-
 protected:
 	S32 mPriority;
 
 	//the output size of the icon image if set.
-	S32 mDrawWidth ;
-	S32 mDrawHeight ;
+	S32 mMinWidth,
+		mMinHeight;
 
 	// If set to true (default), use the draw context transparency.
 	// If false, will use transparency returned by getCurrentTransparency(). See STORM-698.
diff --git a/indra/llui/llkeywords.cpp b/indra/llui/llkeywords.cpp
index 26d27d1f34..d830df8772 100755
--- a/indra/llui/llkeywords.cpp
+++ b/indra/llui/llkeywords.cpp
@@ -94,7 +94,7 @@ BOOL LLKeywords::loadFromFile( const std::string& filename )
 	file.open(filename);	/* Flawfinder: ignore */
 	if( file.fail() )
 	{
-		llinfos << "LLKeywords::loadFromFile()  Unable to open file: " << filename << llendl;
+		LL_INFOS() << "LLKeywords::loadFromFile()  Unable to open file: " << filename << LL_ENDL;
 		return mLoaded;
 	}
 
@@ -102,7 +102,7 @@ BOOL LLKeywords::loadFromFile( const std::string& filename )
 	file >> buffer;
 	if( strcmp( buffer, "llkeywords" ) )
 	{
-		llinfos << filename << " does not appear to be a keyword file" << llendl;
+		LL_INFOS() << filename << " does not appear to be a keyword file" << LL_ENDL;
 		return mLoaded;
 	}
 
@@ -112,7 +112,7 @@ BOOL LLKeywords::loadFromFile( const std::string& filename )
 	file >> version_num;
 	if( strcmp(buffer, "version") || version_num != (U32)KEYWORD_FILE_CURRENT_VERSION )
 	{
-		llinfos << filename << " does not appear to be a version " << KEYWORD_FILE_CURRENT_VERSION << " keyword file" << llendl;
+		LL_INFOS() << filename << " does not appear to be a version " << KEYWORD_FILE_CURRENT_VERSION << " keyword file" << LL_ENDL;
 		return mLoaded;
 	}
 
@@ -342,18 +342,18 @@ LLColor3 LLKeywords::readColor( const std::string& s )
 	S32 values_read = sscanf(s.c_str(), "%f, %f, %f]", &r, &g, &b );
 	if( values_read != 3 )
 	{
-		llinfos << " poorly formed color in keyword file" << llendl;
+		LL_INFOS() << " poorly formed color in keyword file" << LL_ENDL;
 	}
 	return LLColor3( r, g, b );
 }
 
-LLFastTimer::DeclareTimer FTM_SYNTAX_COLORING("Syntax Coloring");
+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)
 {
-	LLFastTimer ft(FTM_SYNTAX_COLORING);
+	LL_RECORD_BLOCK_TIME(FTM_SYNTAX_COLORING);
 	seg_list->clear();
 
 	if( wtext.empty() )
@@ -552,7 +552,7 @@ void LLKeywords::findSegments(std::vector<LLTextSegmentPtr>* seg_list, const LLW
 						S32 seg_start = cur - base;
 						S32 seg_end = seg_start + seg_len;
 
-						// llinfos << "Seg: [" << word.c_str() << "]" << llendl;
+						// LL_INFOS() << "Seg: [" << word.c_str() << "]" << LL_ENDL;
 
 						insertSegments(wtext, *seg_list,cur_token, text_len, seg_start, seg_end, defaultColor, editor);
 					}
@@ -619,10 +619,10 @@ void LLKeywords::insertSegment(std::vector<LLTextSegmentPtr>& seg_list, LLTextSe
 #ifdef _DEBUG
 void LLKeywords::dump()
 {
-	llinfos << "LLKeywords" << llendl;
+	LL_INFOS() << "LLKeywords" << LL_ENDL;
 
 
-	llinfos << "LLKeywords::sWordTokenMap" << llendl;
+	LL_INFOS() << "LLKeywords::sWordTokenMap" << LL_ENDL;
 	word_token_map_t::iterator word_token_iter = mWordTokenMap.begin();
 	while( word_token_iter != mWordTokenMap.end() )
 	{
@@ -631,7 +631,7 @@ void LLKeywords::dump()
 		++word_token_iter;
 	}
 
-	llinfos << "LLKeywords::sLineTokenList" << llendl;
+	LL_INFOS() << "LLKeywords::sLineTokenList" << LL_ENDL;
 	for (token_list_t::iterator iter = mLineTokenList.begin();
 		 iter != mLineTokenList.end(); ++iter)
 	{
@@ -640,7 +640,7 @@ void LLKeywords::dump()
 	}
 
 
-	llinfos << "LLKeywords::sDelimiterTokenList" << llendl;
+	LL_INFOS() << "LLKeywords::sDelimiterTokenList" << LL_ENDL;
 	for (token_list_t::iterator iter = mDelimiterTokenList.begin();
 		 iter != mDelimiterTokenList.end(); ++iter)
 	{
@@ -651,12 +651,12 @@ void LLKeywords::dump()
 
 void LLKeywordToken::dump()
 {
-	llinfos << "[" << 
+	LL_INFOS() << "[" << 
 		mColor.mV[VX] << ", " <<
 		mColor.mV[VY] << ", " <<
 		mColor.mV[VZ] << "] [" <<
 		wstring_to_utf8str(mToken) << "]" <<
-		llendl;
+		LL_ENDL;
 }
 
 #endif  // DEBUG
diff --git a/indra/llui/lllayoutstack.cpp b/indra/llui/lllayoutstack.cpp
index c89c0203b4..c59286fc60 100755
--- a/indra/llui/lllayoutstack.cpp
+++ b/indra/llui/lllayoutstack.cpp
@@ -33,6 +33,7 @@
 #include "lllocalcliprect.h"
 #include "llpanel.h"
 #include "llcriticaldamp.h"
+#include "lliconctrl.h"
 #include "boost/foreach.hpp"
 
 static const F32 MIN_FRACTIONAL_SIZE = 0.00001f;
@@ -41,12 +42,6 @@ static const F32 MAX_FRACTIONAL_SIZE = 1.f;
 static LLDefaultChildRegistry::Register<LLLayoutStack> register_layout_stack("layout_stack");
 static LLLayoutStack::LayoutStackRegistry::Register<LLLayoutPanel> register_layout_panel("layout_panel");
 
-void LLLayoutStack::OrientationNames::declareValues()
-{
-	declare("horizontal", HORIZONTAL);
-	declare("vertical", VERTICAL);
-}
-
 //
 // LLLayoutPanel
 //
@@ -140,7 +135,7 @@ S32 LLLayoutPanel::getVisibleDim() const
 						+ (((F32)mTargetDim - min_dim) * (1.f - mCollapseAmt))));
 }
  
-void LLLayoutPanel::setOrientation( LLLayoutStack::ELayoutOrientation orientation )
+void LLLayoutPanel::setOrientation( LLView::EOrientation orientation )
 {
 	mOrientation = orientation;
 	S32 layout_dim = llround((F32)((mOrientation == LLLayoutStack::HORIZONTAL)
@@ -274,25 +269,9 @@ void LLLayoutStack::draw()
 			// only force drawing invisible children if visible amount is non-zero
 			drawChild(panelp, 0, 0, !clip_rect.isEmpty());
 		}
-	}
-
-	const LLView::child_list_t * child_listp = getChildList();
-	BOOST_FOREACH(LLView * childp, * child_listp)
-	{
-		LLResizeBar * resize_barp = dynamic_cast<LLResizeBar*>(childp);
-		if (resize_barp && resize_barp->isShowDragHandle() && resize_barp->getVisible() && resize_barp->getRect().isValid())
+		if (panelp->getResizeBar()->getVisible())
 		{
-			LLRect screen_rect = resize_barp->calcScreenRect();
-			if (LLUI::getRootView()->getLocalRect().overlaps(screen_rect) && LLUI::sDirtyRect.overlaps(screen_rect))
-			{
-				LLUI::pushMatrix();
-				{
-					const LLRect& rb_rect(resize_barp->getRect());
-					LLUI::translate(rb_rect.mLeft, rb_rect.mBottom);
-					resize_barp->draw();
-				}
-				LLUI::popMatrix();
-			}
+			drawChild(panelp->getResizeBar());
 		}
 	}
 }
@@ -355,11 +334,36 @@ void LLLayoutStack::collapsePanel(LLPanel* panel, BOOL collapsed)
 	mNeedsLayout = true;
 }
 
-static LLFastTimer::DeclareTimer FTM_UPDATE_LAYOUT("Update LayoutStacks");
+static LLTrace::BlockTimerStatHandle FTM_UPDATE_LAYOUT("Update LayoutStacks");
+
+class LLImagePanel : public LLPanel
+{
+public:
+	struct Params :	public LLInitParam::Block<Params, LLPanel::Params>
+	{
+		Optional<bool> horizontal;
+		Params() : horizontal("horizontal", false) {}
+	};
+	LLImagePanel(const Params& p) : LLPanel(p), mHorizontal(p.horizontal) {}
+	virtual ~LLImagePanel() {}
+
+	void draw()
+	{
+		const LLRect& parent_rect = getParent()->getRect();
+		const LLRect& rect = getRect();
+		LLRect clip_rect( -rect.mLeft, parent_rect.getHeight() - rect.mBottom - 2
+			, parent_rect.getWidth() - rect.mLeft - (mHorizontal ? 2 : 0), -rect.mBottom);
+		LLLocalClipRect clip(clip_rect);
+		LLPanel::draw();
+	}
+
+private:
+	bool mHorizontal;
+};
 
 void LLLayoutStack::updateLayout()
 {	
-	LLFastTimer ft(FTM_UPDATE_LAYOUT);
+	LL_RECORD_BLOCK_TIME(FTM_UPDATE_LAYOUT);
 
 	if (!mNeedsLayout) return;
 
@@ -441,8 +445,6 @@ void LLLayoutStack::updateLayout()
 		}
 
 		LLRect resize_bar_rect(panel_rect);
-		LLResizeBar * resize_barp = panelp->getResizeBar();
-		bool show_drag_handle = resize_barp->isShowDragHandle();
 		F32 panel_spacing = (F32)mPanelSpacing * panelp->getVisibleAmount();
 		F32 panel_visible_dim = panelp->getVisibleDim();
 		S32 panel_spacing_round = (S32)(llround(panel_spacing));
@@ -451,7 +453,7 @@ void LLLayoutStack::updateLayout()
 		{
 			cur_pos += panel_visible_dim + panel_spacing;
 
-			if (show_drag_handle && panel_spacing_round > mDragHandleThickness)
+			if (mShowDragHandle && panel_spacing_round > mDragHandleThickness)
 			{
 				resize_bar_rect.mLeft = panel_rect.mRight + mDragHandleShift;
 				resize_bar_rect.mRight = resize_bar_rect.mLeft + mDragHandleThickness;
@@ -462,7 +464,7 @@ void LLLayoutStack::updateLayout()
 				resize_bar_rect.mRight = panel_rect.mRight + panel_spacing_round + mResizeBarOverlap;
 			}
 
-			if (show_drag_handle)
+			if (mShowDragHandle)
 			{
 				resize_bar_rect.mBottom += mDragHandleSecondIndent;
 				resize_bar_rect.mTop -= mDragHandleFirstIndent;
@@ -473,7 +475,7 @@ void LLLayoutStack::updateLayout()
 		{
 			cur_pos -= panel_visible_dim + panel_spacing;
 
-			if (show_drag_handle && panel_spacing_round > mDragHandleThickness)
+			if (mShowDragHandle && panel_spacing_round > mDragHandleThickness)
 			{
 				resize_bar_rect.mTop = panel_rect.mBottom - mDragHandleShift;
 				resize_bar_rect.mBottom = resize_bar_rect.mTop - mDragHandleThickness;
@@ -484,7 +486,7 @@ void LLLayoutStack::updateLayout()
 				resize_bar_rect.mBottom = panel_rect.mBottom - panel_spacing_round - mResizeBarOverlap;
 			}
 
-			if (show_drag_handle)
+			if (mShowDragHandle)
 			{
 				resize_bar_rect.mLeft += mDragHandleFirstIndent;
 				resize_bar_rect.mRight -= mDragHandleSecondIndent;
@@ -547,9 +549,69 @@ void LLLayoutStack::createResizeBar(LLLayoutPanel* panelp)
 			resize_params.min_size(lp->getRelevantMinDim());
 			resize_params.side((mOrientation == HORIZONTAL) ? LLResizeBar::RIGHT : LLResizeBar::BOTTOM);
 			resize_params.snapping_enabled(false);
-			resize_params.show_drag_handle(mShowDragHandle);
 			LLResizeBar* resize_bar = LLUICtrlFactory::create<LLResizeBar>(resize_params);
 			lp->mResizeBar = resize_bar;
+
+			if (mShowDragHandle)
+			{
+				LLPanel::Params resize_bar_bg_panel_p;
+				resize_bar_bg_panel_p.name = "resize_handle_bg_panel";
+				resize_bar_bg_panel_p.rect = lp->mResizeBar->getLocalRect();
+				resize_bar_bg_panel_p.follows.flags = FOLLOWS_ALL;
+				resize_bar_bg_panel_p.tab_stop = false;
+				resize_bar_bg_panel_p.background_visible = true;
+				resize_bar_bg_panel_p.bg_alpha_color = LLUIColorTable::instance().getColor("ResizebarBody");
+				resize_bar_bg_panel_p.has_border = true;
+				resize_bar_bg_panel_p.border.border_thickness = 1;
+				resize_bar_bg_panel_p.border.highlight_light_color = LLUIColorTable::instance().getColor("ResizebarBorderLight");
+				resize_bar_bg_panel_p.border.shadow_dark_color = LLUIColorTable::instance().getColor("ResizebarBorderDark");
+
+				LLPanel* resize_bar_bg_panel = LLUICtrlFactory::create<LLPanel>(resize_bar_bg_panel_p);
+
+				LLIconCtrl::Params icon_p;
+				icon_p.name = "resize_handle_image";
+				icon_p.rect = lp->mResizeBar->getLocalRect();
+				icon_p.follows.flags = FOLLOWS_ALL;
+				icon_p.image = LLUI::getUIImage(mOrientation == HORIZONTAL ? "Vertical Drag Handle" : "Horizontal Drag Handle");
+				resize_bar_bg_panel->addChild(LLUICtrlFactory::create<LLIconCtrl>(icon_p));
+
+				lp->mResizeBar->addChild(resize_bar_bg_panel);
+			}
+
+			/*if (mShowDragHandle)
+			{
+				LLViewBorder::Params border_params;
+				border_params.border_thickness = 1;
+				border_params.highlight_light_color = LLUIColorTable::instance().getColor("ResizebarBorderLight");
+				border_params.shadow_dark_color = LLUIColorTable::instance().getColor("ResizebarBorderDark");
+
+				addBorder(border_params);
+				setBorderVisible(TRUE);
+
+				LLImagePanel::Params image_panel;
+				mDragHandleImage = LLUI::getUIImage(LLResizeBar::RIGHT == mSide ? "Vertical Drag Handle" : "Horizontal Drag Handle");
+				image_panel.bg_alpha_image = mDragHandleImage;
+				image_panel.background_visible = true;
+				image_panel.horizontal = (LLResizeBar::BOTTOM == mSide);
+				mImagePanel = LLUICtrlFactory::create<LLImagePanel>(image_panel);
+				setImagePanel(mImagePanel);
+			}*/
+
+			//if (mShowDragHandle)
+			//{
+			//	setBackgroundVisible(TRUE);
+			//	setTransparentColor(LLUIColorTable::instance().getColor("ResizebarBody"));
+			//}
+
+			/*if (mShowDragHandle)
+			{
+			S32 image_width = mDragHandleImage->getTextureWidth();
+			S32 image_height = mDragHandleImage->getTextureHeight();
+			const LLRect& panel_rect = getRect();
+			S32 image_left = (panel_rect.getWidth() - image_width) / 2 - 1;
+			S32 image_bottom = (panel_rect.getHeight() - image_height) / 2;
+			mImagePanel->setRect(LLRect(image_left, image_bottom + image_height, image_left + image_width, image_bottom));
+			}*/
 			LLView::addChild(resize_bar, 0);
 		}
 	}
@@ -655,7 +717,7 @@ bool LLLayoutStack::animatePanels()
 			{
 				if (!mAnimatedThisFrame)
 				{
-					panelp->mVisibleAmt = lerp(panelp->mVisibleAmt, 1.f, LLCriticalDamp::getInterpolant(mOpenTimeConstant));
+					panelp->mVisibleAmt = lerp(panelp->mVisibleAmt, 1.f, LLSmoothInterpolation::getInterpolant(mOpenTimeConstant));
 					if (panelp->mVisibleAmt > 0.99f)
 					{
 						panelp->mVisibleAmt = 1.f;
@@ -680,7 +742,7 @@ bool LLLayoutStack::animatePanels()
 			{
 				if (!mAnimatedThisFrame)
 				{
-					panelp->mVisibleAmt = lerp(panelp->mVisibleAmt, 0.f, LLCriticalDamp::getInterpolant(mCloseTimeConstant));
+					panelp->mVisibleAmt = lerp(panelp->mVisibleAmt, 0.f, LLSmoothInterpolation::getInterpolant(mCloseTimeConstant));
 					if (panelp->mVisibleAmt < 0.001f)
 					{
 						panelp->mVisibleAmt = 0.f;
@@ -707,7 +769,7 @@ bool LLLayoutStack::animatePanels()
 			{
 				if (!mAnimatedThisFrame)
 				{
-					panelp->mCollapseAmt = lerp(panelp->mCollapseAmt, collapse_state, LLCriticalDamp::getInterpolant(mCloseTimeConstant));
+					panelp->mCollapseAmt = lerp(panelp->mCollapseAmt, collapse_state, LLSmoothInterpolation::getInterpolant(mCloseTimeConstant));
 				}
 			
 				if (llabs(panelp->mCollapseAmt - collapse_state) < 0.001f)
diff --git a/indra/llui/lllayoutstack.h b/indra/llui/lllayoutstack.h
index add43fa741..a245ebe1b9 100755
--- a/indra/llui/lllayoutstack.h
+++ b/indra/llui/lllayoutstack.h
@@ -39,24 +39,12 @@ class LLLayoutStack : public LLView, public LLInstanceTracker<LLLayoutStack>
 {
 public:
 
-	typedef enum e_layout_orientation
-	{
-		HORIZONTAL,
-		VERTICAL
-	} ELayoutOrientation;
-
-	struct OrientationNames
-	:	public LLInitParam::TypeValuesHelper<ELayoutOrientation, OrientationNames>
-	{
-		static void declareValues();
-	};
-
 	struct LayoutStackRegistry : public LLChildRegistry<LayoutStackRegistry>
 	{};
 
 	struct Params : public LLInitParam::Block<Params, LLView::Params>
 	{
-		Mandatory<ELayoutOrientation, OrientationNames>	orientation;
+		Mandatory<EOrientation>	orientation;
 		Optional<S32>			border_size;
 		Optional<bool>			animate,
 								clip;
@@ -79,7 +67,7 @@ public:
 	/*virtual*/ void draw();
 	/*virtual*/ void removeChild(LLView*);
 	/*virtual*/ BOOL postBuild();
-	/*virtual*/ bool addChild(LLView* child, S32 tab_groupdatefractuiona = 0);
+	/*virtual*/ bool addChild(LLView* child, S32 tab_group = 0);
 	/*virtual*/ void reshape(S32 width, S32 height, BOOL called_from_parent = TRUE);
 
 
@@ -111,7 +99,7 @@ private:
 	bool animatePanels();
 	void createResizeBar(LLLayoutPanel* panel);
 
-	const ELayoutOrientation mOrientation;
+	const EOrientation mOrientation;
 
 	typedef std::vector<LLLayoutPanel*> e_panel_list_t;
 	e_panel_list_t mPanels;
@@ -194,7 +182,7 @@ public:
 
 	bool isCollapsed() const { return mCollapsed;}
 
-	void setOrientation(LLLayoutStack::ELayoutOrientation orientation);
+	void setOrientation(LLView::EOrientation orientation);
 	void storeOriginalDim();
 
 	void setIgnoreReshape(bool ignore) { mIgnoreReshape = ignore; }
@@ -213,7 +201,7 @@ protected:
 	F32		mFractionalSize;
 	S32		mTargetDim;
 	bool	mIgnoreReshape;
-	LLLayoutStack::ELayoutOrientation mOrientation;
+	LLView::EOrientation mOrientation;
 	class LLResizeBar* mResizeBar;
 };
 
diff --git a/indra/llui/lllineeditor.cpp b/indra/llui/lllineeditor.cpp
index 5478e85e13..d410a2de33 100755
--- a/indra/llui/lllineeditor.cpp
+++ b/indra/llui/lllineeditor.cpp
@@ -785,7 +785,7 @@ BOOL LLLineEditor::handleMouseDown(S32 x, S32 y, MASK mask)
 
 BOOL LLLineEditor::handleMiddleMouseDown(S32 x, S32 y, MASK mask)
 {
-        // llinfos << "MiddleMouseDown" << llendl;
+        // LL_INFOS() << "MiddleMouseDown" << LL_ENDL;
 	setFocus( TRUE );
 	if( canPastePrimary() )
 	{
@@ -855,14 +855,14 @@ BOOL LLLineEditor::handleHover(S32 x, S32 y, MASK mask)
 		mKeystrokeTimer.reset();
 
 		getWindow()->setCursor(UI_CURSOR_IBEAM);
-		lldebugst(LLERR_USER_INPUT) << "hover handled by " << getName() << " (active)" << llendl;		
+		LL_DEBUGS("UserInput") << "hover handled by " << getName() << " (active)" << LL_ENDL;		
 		handled = TRUE;
 	}
 
 	if( !handled  )
 	{
 		getWindow()->setCursor(UI_CURSOR_IBEAM);
-		lldebugst(LLERR_USER_INPUT) << "hover handled by " << getName() << " (inactive)" << llendl;		
+		LL_DEBUGS("UserInput") << "hover handled by " << getName() << " (inactive)" << LL_ENDL;		
 		handled = TRUE;
 	}
 
@@ -1347,7 +1347,7 @@ BOOL LLLineEditor::handleSpecialKey(KEY key, MASK mask)
 	case KEY_BACKSPACE:
 		if (!mReadOnly)
 		{
-			//llinfos << "Handling backspace" << llendl;
+			//LL_INFOS() << "Handling backspace" << LL_ENDL;
 			if( hasSelection() )
 			{
 				deleteSelection();
@@ -2379,7 +2379,7 @@ void LLLineEditor::resetPreedit()
 	{
 		if (hasPreeditString())
 		{
-			llwarns << "Preedit and selection!" << llendl;
+			LL_WARNS() << "Preedit and selection!" << LL_ENDL;
 			deselect();
 		}
 		else
@@ -2543,7 +2543,7 @@ void LLLineEditor::markAsPreedit(S32 position, S32 length)
 	setCursor(position);
 	if (hasPreeditString())
 	{
-		llwarns << "markAsPreedit invoked when hasPreeditString is true." << llendl;
+		LL_WARNS() << "markAsPreedit invoked when hasPreeditString is true." << LL_ENDL;
 	}
 	mPreeditWString.assign( LLWString( mText.getWString(), position, length ) );
 	if (length > 0)
diff --git a/indra/llui/llmenubutton.cpp b/indra/llui/llmenubutton.cpp
index 746ade4648..0609cd8b42 100755
--- a/indra/llui/llmenubutton.cpp
+++ b/indra/llui/llmenubutton.cpp
@@ -96,7 +96,7 @@ void LLMenuButton::setMenu(const std::string& menu_filename, EMenuPosition posit
 	LLToggleableMenu* menu = LLUICtrlFactory::getInstance()->createFromFile<LLToggleableMenu>(menu_filename, LLMenuGL::sMenuContainer, LLMenuHolderGL::child_registry_t::instance());
 	if (!menu)
 	{
-		llwarns << "Error loading menu_button menu" << llendl;
+		LL_WARNS() << "Error loading menu_button menu" << LL_ENDL;
 		return;
 	}
 
diff --git a/indra/llui/llmenugl.cpp b/indra/llui/llmenugl.cpp
index f854e1785d..a0ef64467f 100755
--- a/indra/llui/llmenugl.cpp
+++ b/indra/llui/llmenugl.cpp
@@ -280,7 +280,7 @@ BOOL LLMenuItemGL::addToAcceleratorList(std::list <LLKeyBinding*> *listp)
 			//	warning.append("\n    ");
 			//	warning.append(mLabel);
 
-			//	llwarns << warning << llendl;
+			//	LL_WARNS() << warning << LL_ENDL;
 			//	LLAlertDialog::modalAlert(warning);
 				return FALSE;
 			}
@@ -549,13 +549,13 @@ BOOL LLMenuItemGL::setLabelArg( const std::string& key, const LLStringExplicit&
 	return TRUE;
 }
 
-void LLMenuItemGL::handleVisibilityChange(BOOL new_visibility)
+void LLMenuItemGL::onVisibilityChange(BOOL new_visibility)
 {
 	if (getMenu())
 	{
 		getMenu()->needsArrange();
 	}
-	LLView::handleVisibilityChange(new_visibility);
+	LLView::onVisibilityChange(new_visibility);
 }
 
 //~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
@@ -1146,13 +1146,13 @@ void LLMenuItemBranchGL::updateBranchParent(LLView* parentp)
 	}
 }
 
-void LLMenuItemBranchGL::handleVisibilityChange( BOOL new_visibility )
+void LLMenuItemBranchGL::onVisibilityChange( BOOL new_visibility )
 {
 	if (new_visibility == FALSE && getBranch() && !getBranch()->getTornOff())
 	{
 		getBranch()->setVisible(FALSE);
 	}
-	LLMenuItemGL::handleVisibilityChange(new_visibility);
+	LLMenuItemGL::onVisibilityChange(new_visibility);
 }
 
 BOOL LLMenuItemBranchGL::handleKeyHere( KEY key, MASK mask )
@@ -1794,7 +1794,7 @@ bool LLMenuGL::addContextChild(LLView* view, S32 tab_group)
 	{
 		return appendMenu(menup);
 	}
-	
+
 	return false;
 }
 
@@ -1962,7 +1962,7 @@ bool LLMenuGL::scrollItems(EScrollingDirection direction)
 		break;
 	}
 	default:
-		llwarns << "Unknown scrolling direction: " << direction << llendl;
+		LL_WARNS() << "Unknown scrolling direction: " << direction << LL_ENDL;
 	}
 
 	mNeedsArrange = TRUE;
@@ -2562,8 +2562,8 @@ BOOL LLMenuGL::appendMenu( LLMenuGL* menu )
 {
 	if( menu == this )
 	{
-		llerrs << "** Attempt to attach menu to itself. This is certainly "
-			   << "a logic error." << llendl;
+		LL_ERRS() << "** Attempt to attach menu to itself. This is certainly "
+			   << "a logic error." << LL_ENDL;
 	}
 	BOOL success = TRUE;
 
@@ -2591,7 +2591,7 @@ BOOL LLMenuGL::appendContextSubMenu(LLMenuGL *menu)
 {
 	if (menu == this)
 	{
-		llerrs << "Can't attach a context menu to itself" << llendl;
+		LL_ERRS() << "Can't attach a context menu to itself" << LL_ENDL;
 	}
 
 	LLContextMenuBranch *item;
@@ -3114,7 +3114,7 @@ LLMenuGL* LLMenuGL::findChildMenuByName(const std::string& name, BOOL recurse) c
 			return menup;
 		}
 	}
-	llwarns << "Child Menu " << name << " not found in menu " << getName() << llendl;
+	LL_WARNS() << "Child Menu " << name << " not found in menu " << getName() << LL_ENDL;
 	return NULL;
 }
 
@@ -3425,8 +3425,8 @@ BOOL LLMenuBarGL::appendMenu( LLMenuGL* menu )
 {
 	if( menu == this )
 	{
-		llerrs << "** Attempt to attach menu to itself. This is certainly "
-			   << "a logic error." << llendl;
+		LL_ERRS() << "** Attempt to attach menu to itself. This is certainly "
+			   << "a logic error." << LL_ENDL;
 	}
 
 	BOOL success = TRUE;
@@ -3755,7 +3755,7 @@ void LLTearOffMenu::draw()
 	if (getRect().getHeight() != mTargetHeight)
 	{
 		// animate towards target height
-		reshape(getRect().getWidth(), llceil(lerp((F32)getRect().getHeight(), mTargetHeight, LLCriticalDamp::getInterpolant(0.05f))));
+		reshape(getRect().getWidth(), llceil(lerp((F32)getRect().getHeight(), mTargetHeight, LLSmoothInterpolation::getInterpolant(0.05f))));
 	}
 	LLFloater::draw();
 }
diff --git a/indra/llui/llmenugl.h b/indra/llui/llmenugl.h
index 51df5df1f8..feafaab199 100755
--- a/indra/llui/llmenugl.h
+++ b/indra/llui/llmenugl.h
@@ -82,7 +82,7 @@ protected:
 	friend class LLUICtrlFactory;
 public:
 	// LLView overrides
-	/*virtual*/ void handleVisibilityChange(BOOL new_visibility);
+	/*virtual*/ void onVisibilityChange(BOOL new_visibility);
 	/*virtual*/ BOOL handleHover(S32 x, S32 y, MASK mask);
 	/*virtual*/ BOOL handleRightMouseDown(S32 x, S32 y, MASK mask);
 	/*virtual*/ BOOL handleRightMouseUp(S32 x, S32 y, MASK mask);
@@ -637,7 +637,7 @@ public:
 	virtual void updateBranchParent( LLView* parentp );
 
 	// LLView Functionality
-	virtual void handleVisibilityChange( BOOL curVisibilityIn );
+	virtual void onVisibilityChange( BOOL curVisibilityIn );
 
 	virtual void draw();
 
diff --git a/indra/llui/llmodaldialog.cpp b/indra/llui/llmodaldialog.cpp
index 4d6e189b92..33e66add18 100755
--- a/indra/llui/llmodaldialog.cpp
+++ b/indra/llui/llmodaldialog.cpp
@@ -65,7 +65,7 @@ LLModalDialog::~LLModalDialog()
 	std::list<LLModalDialog*>::iterator iter = std::find(sModalStack.begin(), sModalStack.end(), this);
 	if (iter != sModalStack.end())
 	{
-		llerrs << "Attempt to delete dialog while still in sModalStack!" << llendl;
+		LL_ERRS() << "Attempt to delete dialog while still in sModalStack!" << LL_ENDL;
 	}
 }
 
@@ -126,7 +126,7 @@ void LLModalDialog::stopModal()
 		}
 		else
 		{
-			llwarns << "LLModalDialog::stopModal not in list!" << llendl;
+			LL_WARNS() << "LLModalDialog::stopModal not in list!" << LL_ENDL;
 		}
 	}
 	if (!sModalStack.empty())
@@ -195,7 +195,7 @@ BOOL LLModalDialog::handleHover(S32 x, S32 y, MASK mask)
 	if( childrenHandleHover(x, y, mask) == NULL )
 	{
 		getWindow()->setCursor(UI_CURSOR_ARROW);
-		lldebugst(LLERR_USER_INPUT) << "hover handled by " << getName() << llendl;		
+		LL_DEBUGS("UserInput") << "hover handled by " << getName() << LL_ENDL;		
 	}
 
 	LLView* popup_menu = LLMenuGL::sMenuContainer->getVisibleMenu();
@@ -331,7 +331,7 @@ void LLModalDialog::shutdownModals()
 	// app, we shouldn't have to care WHAT's open. Put differently, if a modal
 	// dialog is so crucial that we can't let the user terminate until s/he
 	// addresses it, we should reject a termination request. The current state
-	// of affairs is that we accept it, but then produce an llerrs popup that
+	// of affairs is that we accept it, but then produce an LL_ERRS() popup that
 	// simply makes our software look unreliable.
 	sModalStack.clear();
 }
diff --git a/indra/llui/llmultifloater.cpp b/indra/llui/llmultifloater.cpp
index 179b251cdb..d1a597511e 100755
--- a/indra/llui/llmultifloater.cpp
+++ b/indra/llui/llmultifloater.cpp
@@ -67,14 +67,13 @@ void LLMultiFloater::buildTabContainer()
 	}
 }
 
-void LLMultiFloater::onOpen(const LLSD& key)
+void LLMultiFloater::onClose(bool app_quitting)
 {
-// 	if (mTabContainer->getTabCount() <= 0)
-// 	{
-// 		// for now, don't allow multifloaters
-// 		// without any child floaters
-// 		closeFloater();
-// 	}
+	if(isMinimized())
+	{
+		setMinimized(FALSE);
+	}
+	LLFloater::onClose(app_quitting);
 }
 
 void LLMultiFloater::draw()
@@ -159,7 +158,7 @@ void LLMultiFloater::addFloater(LLFloater* floaterp, BOOL select_added_floater,
 
 	if (!mTabContainer)
 	{
-		llerrs << "Tab Container used without having been initialized." << llendl;
+		LL_ERRS() << "Tab Container used without having been initialized." << LL_ENDL;
 		return;
 	}
 
diff --git a/indra/llui/llmultifloater.h b/indra/llui/llmultifloater.h
index d992212650..c106a62527 100755
--- a/indra/llui/llmultifloater.h
+++ b/indra/llui/llmultifloater.h
@@ -44,7 +44,7 @@ public:
 	void buildTabContainer();
 	
 	virtual BOOL postBuild();
-	/*virtual*/ void onOpen(const LLSD& key);
+	/*virtual*/ void onClose(bool app_quitting);
 	virtual void draw();
 	virtual void setVisible(BOOL visible);
 	/*virtual*/ BOOL handleKeyHere(KEY key, MASK mask);
@@ -100,6 +100,3 @@ private:
 };
 
 #endif  // LL_MULTI_FLOATER_H
-
-
-
diff --git a/indra/llui/llmultislider.cpp b/indra/llui/llmultislider.cpp
index 70bcfb5b4f..0aa3e17075 100755
--- a/indra/llui/llmultislider.cpp
+++ b/indra/llui/llmultislider.cpp
@@ -301,7 +301,7 @@ bool LLMultiSlider::findUnusedValue(F32& initVal)
 
 		// stop if it's filled
 		if(initVal == mInitialValue && !firstTry) {
-			llwarns << "Whoa! Too many multi slider elements to add one to" << llendl;
+			LL_WARNS() << "Whoa! Too many multi slider elements to add one to" << LL_ENDL;
 			return false;
 		}
 
@@ -356,12 +356,12 @@ BOOL LLMultiSlider::handleHover(S32 x, S32 y, MASK mask)
 		onCommit();
 
 		getWindow()->setCursor(UI_CURSOR_ARROW);
-		lldebugst(LLERR_USER_INPUT) << "hover handled by " << getName() << " (active)" << llendl;		
+		LL_DEBUGS("UserInput") << "hover handled by " << getName() << " (active)" << LL_ENDL;		
 	}
 	else
 	{
 		getWindow()->setCursor(UI_CURSOR_ARROW);
-		lldebugst(LLERR_USER_INPUT) << "hover handled by " << getName() << " (inactive)" << llendl;		
+		LL_DEBUGS("UserInput") << "hover handled by " << getName() << " (inactive)" << LL_ENDL;		
 	}
 	return TRUE;
 }
diff --git a/indra/llui/llmultisliderctrl.cpp b/indra/llui/llmultisliderctrl.cpp
index 91e5b6b9de..c460a08afc 100755
--- a/indra/llui/llmultisliderctrl.cpp
+++ b/indra/llui/llmultisliderctrl.cpp
@@ -450,7 +450,7 @@ void LLMultiSliderCtrl::setPrecision(S32 precision)
 {
 	if (precision < 0 || precision > 10)
 	{
-		llerrs << "LLMultiSliderCtrl::setPrecision - precision out of range" << llendl;
+		LL_ERRS() << "LLMultiSliderCtrl::setPrecision - precision out of range" << LL_ENDL;
 		return;
 	}
 
diff --git a/indra/llui/llnotifications.cpp b/indra/llui/llnotifications.cpp
index 5c288c3f03..025cd81d92 100755
--- a/indra/llui/llnotifications.cpp
+++ b/indra/llui/llnotifications.cpp
@@ -246,7 +246,7 @@ LLNotificationForm::LLNotificationForm(const LLSD& sd)
 	}
 	else
 	{
-		llwarns << "Invalid form data " << sd << llendl;
+		LL_WARNS() << "Invalid form data " << sd << LL_ENDL;
 		mFormData = LLSD::emptyArray();
 	}
 }
@@ -438,11 +438,11 @@ LLNotificationTemplate::LLNotificationTemplate(const LLNotificationTemplate::Par
 		mUniqueContext.push_back(context.value);
 	}
 	
-	lldebugs << "notification \"" << mName << "\": tag count is " << p.tags.size() << llendl;
+	LL_DEBUGS() << "notification \"" << mName << "\": tag count is " << p.tags.size() << LL_ENDL;
 	
 	BOOST_FOREACH(const LLNotificationTemplate::Tag& tag, p.tags)
 	{
-		lldebugs << "    tag \"" << std::string(tag.value) << "\"" << llendl;
+		LL_DEBUGS() << "    tag \"" << std::string(tag.value) << "\"" << LL_ENDL;
 		mTags.push_back(tag.value);
 	}
 
@@ -516,7 +516,7 @@ LLNotification::LLNotification(const LLSDParamAdapter<Params>& p) :
 
 
 LLSD LLNotification::asLLSD(bool excludeTemplateElements)
-{
+{ 
 	LLParamSDParser parser;
 
 	Params p;
@@ -544,12 +544,12 @@ LLSD LLNotification::asLLSD(bool excludeTemplateElements)
         mForm->getElements(dynamicElements, templateForm->getNumElements());
         p.form_elements = dynamicElements;
     }
-    
+
     if(mResponder)
     {
         p.functor.responder_sd = mResponder->asLLSD();
     }
-    
+
 	if(!mResponseFunctorName.empty())
 	{
 		p.functor.name = mResponseFunctorName;
@@ -1208,6 +1208,9 @@ LLNotifications::LLNotifications()
 {
         mListener.reset(new LLNotificationsListener(*this));
 	LLUICtrl::CommitCallbackRegistry::currentRegistrar().add("Notification.Show", boost::bind(&LLNotifications::addFromCallback, this, _2));
+
+	// touch the instance tracker for notification channels, so that it will still be around in our destructor
+	LLInstanceTracker<LLNotificationChannel, std::string>::instanceCount();
 }
 
 void LLNotifications::clear()
@@ -1407,7 +1410,7 @@ void LLNotifications::forceResponse(const LLNotification::Params& params, S32 op
 	
 	if (selected_item.isUndefined())
 	{
-		llwarns << "Invalid option" << option << " for notification " << (std::string)params.name << llendl;
+		LL_WARNS() << "Invalid option" << option << " for notification " << (std::string)params.name << LL_ENDL;
 		return;
 	}
 	response[selected_item["name"].asString()] = true;
@@ -1441,12 +1444,12 @@ void replaceSubstitutionStrings(LLXMLNodePtr node, StringMap& replacements)
 			if (found != replacements.end())
 			{
 				replacement = found->second;
-				lldebugs << "replaceSubstitutionStrings: value: \"" << value << "\" repl: \"" << replacement << "\"." << llendl;
+				LL_DEBUGS() << "replaceSubstitutionStrings: value: \"" << value << "\" repl: \"" << replacement << "\"." << LL_ENDL;
 				it->second->setValue(replacement);
 			}
 			else
 			{
-				llwarns << "replaceSubstitutionStrings FAILURE: could not find replacement \"" << value << "\"." << llendl;
+				LL_WARNS() << "replaceSubstitutionStrings FAILURE: could not find replacement \"" << value << "\"." << LL_ENDL;
 			}
 		}
 	}
@@ -1485,7 +1488,7 @@ void addPathIfExists(const std::string& new_path, std::vector<std::string>& path
 
 bool LLNotifications::loadTemplates()
 {
-	llinfos << "Reading notifications template" << llendl;
+	LL_INFOS() << "Reading notifications template" << LL_ENDL;
 	// Passing findSkinnedFilenames(constraint=LLDir::ALL_SKINS) makes it
 	// output all relevant pathnames instead of just the ones from the most
 	// specific skin.
@@ -1498,7 +1501,7 @@ bool LLNotifications::loadTemplates()
 
 	if (!success || root.isNull() || !root->hasName( "notifications" ))
 	{
-		llerrs << "Problem reading XML from UI Notifications file: " << base_filename << llendl;
+		LL_ERRS() << "Problem reading XML from UI Notifications file: " << base_filename << LL_ENDL;
 		return false;
 	}
 
@@ -1508,7 +1511,7 @@ bool LLNotifications::loadTemplates()
 
 	if(!params.validateBlock())
 	{
-		llerrs << "Problem reading XUI from UI Notifications file: " << base_filename << llendl;
+		LL_ERRS() << "Problem reading XUI from UI Notifications file: " << base_filename << LL_ENDL;
 		return false;
 	}
 
@@ -1556,7 +1559,7 @@ bool LLNotifications::loadTemplates()
 		mTemplates[notification.name] = LLNotificationTemplatePtr(new LLNotificationTemplate(notification));
 	}
 
-	llinfos << "...done" << llendl;
+	LL_INFOS() << "...done" << LL_ENDL;
 
 	return true;
 }
@@ -1574,7 +1577,7 @@ bool LLNotifications::loadVisibilityRules()
 
 	if(!params.validateBlock())
 	{
-		llerrs << "Problem reading UI Notification Visibility Rules file: " << full_filename << llendl;
+		LL_ERRS() << "Problem reading UI Notification Visibility Rules file: " << full_filename << LL_ENDL;
 		return false;
 	}
 
@@ -1639,7 +1642,7 @@ void LLNotifications::add(const LLNotificationPtr pNotif)
 	LLNotificationSet::iterator it=mItems.find(pNotif);
 	if (it != mItems.end())
 	{
-		llerrs << "Notification added a second time to the master notification channel." << llendl;
+		LL_ERRS() << "Notification added a second time to the master notification channel." << LL_ENDL;
 	}
 
 	updateItem(LLSD().with("sigtype", "add").with("id", pNotif->id()), pNotif);
@@ -1697,7 +1700,7 @@ LLNotificationPtr LLNotifications::find(LLUUID uuid)
 	LLNotificationSet::iterator it=mItems.find(target);
 	if (it == mItems.end())
 	{
-		LL_DEBUGS("Notifications") << "Tried to dereference uuid '" << uuid << "' as a notification key but didn't find it." << llendl;
+		LL_DEBUGS("Notifications") << "Tried to dereference uuid '" << uuid << "' as a notification key but didn't find it." << LL_ENDL;
 		return LLNotificationPtr((LLNotification*)NULL);
 	}
 	else
@@ -1748,13 +1751,13 @@ bool LLNotifications::isVisibleByRules(LLNotificationPtr n)
 	for(it = mVisibilityRules.begin(); it != mVisibilityRules.end(); it++)
 	{
 		// An empty type/tag/name string will match any notification, so only do the comparison when the string is non-empty in the rule.
-		lldebugs 
+		LL_DEBUGS() 
 			<< "notification \"" << n->getName() << "\" " 
 			<< "testing against " << ((*it)->mVisible?"show":"hide") << " rule, "
 			<< "name = \"" << (*it)->mName << "\" "
 			<< "tag = \"" << (*it)->mTag << "\" "
 			<< "type = \"" << (*it)->mType << "\" "
-			<< llendl;
+			<< LL_ENDL;
 
 		if(!(*it)->mType.empty())
 		{
@@ -1793,7 +1796,7 @@ bool LLNotifications::isVisibleByRules(LLNotificationPtr n)
 			if((*it)->mResponse.empty())
 			{
 				// Response property is empty.  Cancel this notification.
-				lldebugs << "cancelling notification " << n->getName() << llendl;
+				LL_DEBUGS() << "cancelling notification " << n->getName() << LL_ENDL;
 
 				cancel(n);
 			}
@@ -1804,7 +1807,7 @@ bool LLNotifications::isVisibleByRules(LLNotificationPtr n)
 				// TODO: verify that the response template has an item with the correct name
 				response[(*it)->mResponse] = true;
 
-				lldebugs << "responding to notification " << n->getName() << " with response = " << response << llendl;
+				LL_DEBUGS() << "responding to notification " << n->getName() << " with response = " << response << LL_ENDL;
 				
 				n->respond(response);
 			}
@@ -1816,7 +1819,7 @@ bool LLNotifications::isVisibleByRules(LLNotificationPtr n)
 		break;
 	}
 	
-	lldebugs << "allowing notification " << n->getName() << llendl;
+	LL_DEBUGS() << "allowing notification " << n->getName() << LL_ENDL;
 
 	return true;
 }
@@ -1877,7 +1880,7 @@ void LLPostponedNotification::onAvatarNameCache(const LLUUID& agent_id,
 	// from PE merge - we should figure out if this is the right thing to do
 	if (name.empty())
 	{
-		llwarns << "Empty name received for Id: " << agent_id << llendl;
+		LL_WARNS() << "Empty name received for Id: " << agent_id << LL_ENDL;
 		name = SYSTEM_FROM;
 	}
 	
diff --git a/indra/llui/llnotifications.h b/indra/llui/llnotifications.h
index 6ac4a98806..b0e8553a49 100755
--- a/indra/llui/llnotifications.h
+++ b/indra/llui/llnotifications.h
@@ -92,6 +92,7 @@
 #include "llevents.h"
 #include "llfunctorregistry.h"
 #include "llinitparam.h"
+#include "llinstancetracker.h"
 #include "llmortician.h"
 #include "llnotificationptr.h"
 #include "llpointer.h"
@@ -848,7 +849,7 @@ public:
     Iterator begin();
     Iterator end();
 	size_t size();
-
+	
 	std::string summarize();
 
 private:
@@ -1067,15 +1068,13 @@ class LLPersistentNotificationChannel : public LLNotificationChannel
 public:
 	LLPersistentNotificationChannel() 
 		:	LLNotificationChannel("Persistent", "Visible", &notificationFilter)
-	{
-	}
+	{}
 
 	typedef std::vector<LLNotificationPtr> history_list_t;
 	history_list_t::iterator beginHistory() { sortHistory(); return mHistory.begin(); }
 	history_list_t::iterator endHistory() { return mHistory.end(); }
 
 private:
-
 	struct sortByTime
 	{
 		S32 operator ()(const LLNotificationPtr& a, const LLNotificationPtr& b)
@@ -1089,7 +1088,6 @@ private:
 		std::sort(mHistory.begin(), mHistory.end(), sortByTime());
 	}
 
-
 	// The channel gets all persistent notifications except those that have been canceled
 	static bool notificationFilter(LLNotificationPtr pNotification)
 	{
diff --git a/indra/llui/llnotificationsutil.h b/indra/llui/llnotificationsutil.h
index 4093324d0c..9f29087b4a 100755
--- a/indra/llui/llnotificationsutil.h
+++ b/indra/llui/llnotificationsutil.h
@@ -30,6 +30,7 @@
 // to avoid including the heavyweight llnotifications.h
 
 #include "llnotificationptr.h"
+#include "lluuid.h"
 
 #include <boost/function.hpp>
 
diff --git a/indra/llui/llnotificationtemplate.h b/indra/llui/llnotificationtemplate.h
index 18a82190b5..0315ddbea8 100755
--- a/indra/llui/llnotificationtemplate.h
+++ b/indra/llui/llnotificationtemplate.h
@@ -28,32 +28,9 @@
 #ifndef LL_LLNOTIFICATION_TEMPLATE_H
 #define LL_LLNOTIFICATION_TEMPLATE_H
 
-//#include <string>
-//#include <list>
-//#include <vector>
-//#include <map>
-//#include <set>
-//#include <iomanip>
-//#include <sstream>
-//
-//#include <boost/utility.hpp>
-//#include <boost/shared_ptr.hpp>
-//#include <boost/enable_shared_from_this.hpp>
-//#include <boost/type_traits.hpp>
-//
-//// we want to minimize external dependencies, but this one is important
-//#include "llsd.h"
-//
-//// and we need this to manage the notification callbacks
-//#include "llevents.h"
-//#include "llfunctorregistry.h"
-//#include "llpointer.h"
 #include "llinitparam.h"
-//#include "llnotificationptr.h"
-//#include "llcachename.h"
 #include "llnotifications.h"
 
-
 typedef boost::shared_ptr<LLNotificationForm> LLNotificationFormPtr;
 
 // This is the class of object read from the XML file (notifications.xml, 
diff --git a/indra/llui/llpanel.cpp b/indra/llui/llpanel.cpp
index 67472ad166..ee90574161 100755
--- a/indra/llui/llpanel.cpp
+++ b/indra/llui/llpanel.cpp
@@ -38,10 +38,8 @@
 #include "lldir.h"
 #include "lltimer.h"
 
-#include "llaccordionctrltab.h"
 #include "llbutton.h"
 #include "llmenugl.h"
-//#include "llstatusbar.h"
 #include "llui.h"
 #include "llkeyboard.h"
 #include "lllineeditor.h"
@@ -50,7 +48,6 @@
 #include "lluictrl.h"
 #include "lluictrlfactory.h"
 #include "llviewborder.h"
-#include "lltabcontainer.h"
 
 static LLDefaultChildRegistry::Register<LLPanel> r1("panel", &LLPanel::fromXML);
 LLPanel::factory_stack_t	LLPanel::sFactoryStack;
@@ -166,8 +163,8 @@ void LLPanel::removeBorder()
 // virtual
 void LLPanel::clearCtrls()
 {
-	LLView::ctrl_list_t ctrls = getCtrlList();
-	for (LLView::ctrl_list_t::iterator ctrl_it = ctrls.begin(); ctrl_it != ctrls.end(); ++ctrl_it)
+	LLPanel::ctrl_list_t ctrls = getCtrlList();
+	for (LLPanel::ctrl_list_t::iterator ctrl_it = ctrls.begin(); ctrl_it != ctrls.end(); ++ctrl_it)
 	{
 		LLUICtrl* ctrl = *ctrl_it;
 		ctrl->setFocus( FALSE );
@@ -178,14 +175,29 @@ void LLPanel::clearCtrls()
 
 void LLPanel::setCtrlsEnabled( BOOL b )
 {
-	LLView::ctrl_list_t ctrls = getCtrlList();
-	for (LLView::ctrl_list_t::iterator ctrl_it = ctrls.begin(); ctrl_it != ctrls.end(); ++ctrl_it)
+	LLPanel::ctrl_list_t ctrls = getCtrlList();
+	for (LLPanel::ctrl_list_t::iterator ctrl_it = ctrls.begin(); ctrl_it != ctrls.end(); ++ctrl_it)
 	{
 		LLUICtrl* ctrl = *ctrl_it;
 		ctrl->setEnabled( b );
 	}
 }
 
+LLPanel::ctrl_list_t LLPanel::getCtrlList() const
+{
+	ctrl_list_t controls;
+	for(child_list_t::const_iterator it = getChildList()->begin(), end_it = getChildList()->end(); it != end_it; ++it)
+	{
+		LLView* viewp = *it;
+		if(viewp->isCtrl())
+		{
+			controls.push_back(static_cast<LLUICtrl*>(viewp));
+		}
+	}
+	return controls;
+}
+
+
 void LLPanel::draw()
 {
 	F32 alpha = getDrawContext().mAlpha;
@@ -342,9 +354,9 @@ BOOL LLPanel::handleKeyHere( KEY key, MASK mask )
 	return handled;
 }
 
-void LLPanel::handleVisibilityChange ( BOOL new_visibility )
+void LLPanel::onVisibilityChange ( BOOL new_visibility )
 {
-	LLUICtrl::handleVisibilityChange ( new_visibility );
+	LLUICtrl::onVisibilityChange ( new_visibility );
 	if (mVisibleSignal)
 		(*mVisibleSignal)(this, LLSD(new_visibility) ); // Pass BOOL as LLSD
 }
@@ -372,7 +384,7 @@ void LLPanel::setBorderVisible(BOOL b)
 	}
 }
 
-LLFastTimer::DeclareTimer FTM_PANEL_CONSTRUCTION("Panel Construction");
+LLTrace::BlockTimerStatHandle FTM_PANEL_CONSTRUCTION("Panel Construction");
 
 LLView* LLPanel::fromXML(LLXMLNodePtr node, LLView* parent, LLXMLNodePtr output_node)
 {
@@ -384,14 +396,14 @@ LLView* LLPanel::fromXML(LLXMLNodePtr node, LLView* parent, LLXMLNodePtr output_
 
 	LLPanel* panelp = NULL;
 	
-	{	LLFastTimer _(FTM_PANEL_CONSTRUCTION);
+	{	LL_RECORD_BLOCK_TIME(FTM_PANEL_CONSTRUCTION);
 		
 		if(!class_attr.empty())
 		{
 			panelp = LLRegisterPanelClass::instance().createPanelClass(class_attr);
 			if (!panelp)
 			{
-				llwarns << "Panel class \"" << class_attr << "\" not registered." << llendl;
+				LL_WARNS() << "Panel class \"" << class_attr << "\" not registered." << LL_ENDL;
 			}
 		}
 
@@ -488,15 +500,15 @@ void LLPanel::initFromParams(const LLPanel::Params& p)
 	setAcceptsBadge(p.accepts_badge);
 }
 
-static LLFastTimer::DeclareTimer FTM_PANEL_SETUP("Panel Setup");
-static LLFastTimer::DeclareTimer FTM_EXTERNAL_PANEL_LOAD("Load Extern Panel Reference");
-static LLFastTimer::DeclareTimer FTM_PANEL_POSTBUILD("Panel PostBuild");
+static LLTrace::BlockTimerStatHandle FTM_PANEL_SETUP("Panel Setup");
+static LLTrace::BlockTimerStatHandle FTM_EXTERNAL_PANEL_LOAD("Load Extern Panel Reference");
+static LLTrace::BlockTimerStatHandle FTM_PANEL_POSTBUILD("Panel PostBuild");
 
 BOOL LLPanel::initPanelXML(LLXMLNodePtr node, LLView *parent, LLXMLNodePtr output_node, const LLPanel::Params& default_params)
 {
 	Params params(default_params);
 	{
-		LLFastTimer timer(FTM_PANEL_SETUP);
+		LL_RECORD_BLOCK_TIME(FTM_PANEL_SETUP);
 
 		LLXMLNodePtr referenced_xml;
 		std::string xml_filename = mXMLFilename;
@@ -520,16 +532,16 @@ BOOL LLPanel::initPanelXML(LLXMLNodePtr node, LLView *parent, LLXMLNodePtr outpu
 				Params output_params(params);
 				setupParamsForExport(output_params, parent);
 				output_node->setName(node->getName()->mString);
-				parser.writeXUI(output_node, output_params, &default_params);
+				parser.writeXUI(output_node, output_params, LLInitParam::default_parse_rules(), &default_params);
 				return TRUE;
 			}
 		
 			LLUICtrlFactory::instance().pushFileName(xml_filename);
 
-			LLFastTimer timer(FTM_EXTERNAL_PANEL_LOAD);
+			LL_RECORD_BLOCK_TIME(FTM_EXTERNAL_PANEL_LOAD);
 			if (!LLUICtrlFactory::getLayeredXMLNode(xml_filename, referenced_xml))
 			{
-				llwarns << "Couldn't parse panel from: " << xml_filename << llendl;
+				LL_WARNS() << "Couldn't parse panel from: " << xml_filename << LL_ENDL;
 
 				return FALSE;
 			}
@@ -551,13 +563,13 @@ BOOL LLPanel::initPanelXML(LLXMLNodePtr node, LLView *parent, LLXMLNodePtr outpu
 			Params output_params(params);
 			setupParamsForExport(output_params, parent);
 			output_node->setName(node->getName()->mString);
-			parser.writeXUI(output_node, output_params, &default_params);
+			parser.writeXUI(output_node, output_params, LLInitParam::default_parse_rules(), &default_params);
 		}
 		
 		params.from_xui = true;
 		applyXUILayout(params, parent);
 		{
-			LLFastTimer timer(FTM_PANEL_CONSTRUCTION);
+			LL_RECORD_BLOCK_TIME(FTM_PANEL_CONSTRUCTION);
 			initFromParams(params);
 		}
 
@@ -574,7 +586,7 @@ BOOL LLPanel::initPanelXML(LLXMLNodePtr node, LLView *parent, LLXMLNodePtr outpu
 		}
 
 		{
-			LLFastTimer timer(FTM_PANEL_POSTBUILD);
+			LL_RECORD_BLOCK_TIME(FTM_PANEL_POSTBUILD);
 			postBuild();
 		}
 	}
@@ -599,11 +611,11 @@ std::string LLPanel::getString(const std::string& name, const LLStringUtil::form
 	std::string err_str("Failed to find string " + name + " in panel " + getName()); //*TODO: Translate
 	if(LLUI::sSettingGroups["config"]->getBOOL("QAMode"))
 	{
-		llerrs << err_str << llendl;
+		LL_ERRS() << err_str << LL_ENDL;
 	}
 	else
 	{
-		llwarns << err_str << llendl;
+		LL_WARNS() << err_str << LL_ENDL;
 	}
 	return LLStringUtil::null;
 }
@@ -618,11 +630,11 @@ std::string LLPanel::getString(const std::string& name) const
 	std::string err_str("Failed to find string " + name + " in panel " + getName()); //*TODO: Translate
 	if(LLUI::sSettingGroups["config"]->getBOOL("QAMode"))
 	{
-		llerrs << err_str << llendl;
+		LL_ERRS() << err_str << LL_ENDL;
 	}
 	else
 	{
-		llwarns << err_str << llendl;
+		LL_WARNS() << err_str << LL_ENDL;
 	}
 	return LLStringUtil::null;
 }
@@ -637,16 +649,6 @@ void LLPanel::childSetVisible(const std::string& id, bool visible)
 	}
 }
 
-bool LLPanel::childIsVisible(const std::string& id) const
-{
-	LLView* child = findChild<LLView>(id);
-	if (child)
-	{
-		return (bool)child->getVisible();
-	}
-	return false;
-}
-
 void LLPanel::childSetEnabled(const std::string& id, bool enabled)
 {
 	LLView* child = findChild<LLView>(id);
@@ -656,55 +658,6 @@ void LLPanel::childSetEnabled(const std::string& id, bool enabled)
 	}
 }
 
-void LLPanel::childSetTentative(const std::string& id, bool tentative)
-{
-	LLUICtrl* child = findChild<LLUICtrl>(id);
-	if (child)
-	{
-		child->setTentative(tentative);
-	}
-}
-
-bool LLPanel::childIsEnabled(const std::string& id) const
-{
-	LLView* child = findChild<LLView>(id);
-	if (child)
-	{
-		return (bool)child->getEnabled();
-	}
-	return false;
-}
-
-
-void LLPanel::childSetToolTip(const std::string& id, const std::string& msg)
-{
-	LLView* child = findChild<LLView>(id);
-	if (child)
-	{
-		child->setToolTip(msg);
-	}
-}
-
-void LLPanel::childSetRect(const std::string& id, const LLRect& rect)
-{
-	LLView* child = findChild<LLView>(id);
-	if (child)
-	{
-		child->setRect(rect);
-	}
-}
-
-bool LLPanel::childGetRect(const std::string& id, LLRect& rect) const
-{
-	LLView* child = findChild<LLView>(id);
-	if (child)
-	{
-		rect = child->getRect();
-		return true;
-	}
-	return false;
-}
-
 void LLPanel::childSetFocus(const std::string& id, BOOL focus)
 {
 	LLUICtrl* child = findChild<LLUICtrl>(id);
@@ -740,15 +693,6 @@ void LLPanel::childSetCommitCallback(const std::string& id, boost::function<void
 	}
 }
 
-void LLPanel::childSetValidate(const std::string& id, boost::function<bool (const LLSD& data)> cb)
-{
-	LLUICtrl* child = findChild<LLUICtrl>(id);
-	if (child)
-	{
-		child->setValidateBeforeCommit(cb);
-	}
-}
-
 void LLPanel::childSetColor(const std::string& id, const LLColor4& color)
 {
 	LLUICtrl* child = findChild<LLUICtrl>(id);
@@ -828,95 +772,6 @@ BOOL LLPanel::childSetLabelArg(const std::string& id, const std::string& key, co
 	return FALSE;
 }
 
-BOOL LLPanel::childSetToolTipArg(const std::string& id, const std::string& key, const LLStringExplicit& text)
-{
-	LLView* child = findChild<LLView>(id);
-	if (child)
-	{
-		return child->setToolTipArg(key, text);
-	}
-	return FALSE;
-}
-
-void LLPanel::childShowTab(const std::string& id, const std::string& tabname, bool visible)
-{
-	LLTabContainer* child = findChild<LLTabContainer>(id);
-	if (child)
-	{
-		child->selectTabByName(tabname);
-	}
-}
-
-LLPanel *LLPanel::childGetVisibleTab(const std::string& id) const
-{
-	LLTabContainer* child = findChild<LLTabContainer>(id);
-	if (child)
-	{
-		return child->getCurrentPanel();
-	}
-	return NULL;
-}
-
-LLPanel* LLPanel::childGetVisibleTabWithHelp()
-{
-	LLView *child;
-
-	bfs_tree_iterator_t it = beginTreeBFS();
-	// skip ourselves
-	++it;
-	for (; it != endTreeBFS(); ++it)
-	{
-		child = *it;
-		LLPanel *curTabPanel = NULL;
-
-		// do we have a tab container?
-		LLTabContainer *tab = dynamic_cast<LLTabContainer *>(child);
-		if (tab && tab->getVisible())
-		{
-			curTabPanel = tab->getCurrentPanel();
-		}
-
-		// do we have an accordion tab?
-		LLAccordionCtrlTab* accordion = dynamic_cast<LLAccordionCtrlTab *>(child);
-		if (accordion && accordion->getDisplayChildren())
-		{
-			curTabPanel = dynamic_cast<LLPanel *>(accordion->getAccordionView());
-		}
-
-		// if we found a valid tab, does it have a help topic?
-		if (curTabPanel && !curTabPanel->getHelpTopic().empty())
-		{
-			return curTabPanel;
-		}
-	}
-
-	// couldn't find any active tabs with a help topic string
-	return NULL;
-}
-
-
-LLPanel *LLPanel::childGetVisiblePanelWithHelp()
-{
-	LLView *child;
-
-	bfs_tree_iterator_t it = beginTreeBFS();
-	// skip ourselves
-	++it;
-	for (; it != endTreeBFS(); ++it)
-	{
-		child = *it;
-		// do we have a panel with a help topic?
-		LLPanel *panel = dynamic_cast<LLPanel *>(child);
-		if (panel && panel->isInVisibleChain() && !panel->getHelpTopic().empty())
-		{
-			return panel;
-		}
-	}
-
-	// couldn't find any active panels with a help topic string
-	return NULL;
-}
-
 void LLPanel::childSetAction(const std::string& id, const commit_signal_t::slot_type& function)
 {
 	LLButton* button = findChild<LLButton>(id);
@@ -935,24 +790,6 @@ void LLPanel::childSetAction(const std::string& id, boost::function<void(void*)>
 	}
 }
 
-void LLPanel::childSetActionTextbox(const std::string& id, boost::function<void(void*)> function, void* value)
-{
-	LLTextBox* textbox = findChild<LLTextBox>(id);
-	if (textbox)
-	{
-		textbox->setClickedCallback(boost::bind(function, value));
-	}
-}
-
-void LLPanel::childSetControlName(const std::string& id, const std::string& control_name)
-{
-	LLUICtrl* view = findChild<LLUICtrl>(id);
-	if (view)
-	{
-		view->setControlName(control_name, NULL);
-	}
-}
-
 boost::signals2::connection LLPanel::setVisibleCallback( const commit_signal_t::slot_type& cb )
 {
 	if (!mVisibleSignal)
@@ -963,31 +800,31 @@ boost::signals2::connection LLPanel::setVisibleCallback( const commit_signal_t::
 	return mVisibleSignal->connect(cb);
 }
 
-static LLFastTimer::DeclareTimer FTM_BUILD_PANELS("Build Panels");
+static LLTrace::BlockTimerStatHandle FTM_BUILD_PANELS("Build Panels");
 
 //-----------------------------------------------------------------------------
 // buildPanel()
 //-----------------------------------------------------------------------------
 BOOL LLPanel::buildFromFile(const std::string& filename, const LLPanel::Params& default_params)
 {
-	LLFastTimer timer(FTM_BUILD_PANELS);
+	LL_RECORD_BLOCK_TIME(FTM_BUILD_PANELS);
 	BOOL didPost = FALSE;
 	LLXMLNodePtr root;
 
 	if (!LLUICtrlFactory::getLayeredXMLNode(filename, root))
 	{
-		llwarns << "Couldn't parse panel from: " << filename << llendl;
+		LL_WARNS() << "Couldn't parse panel from: " << filename << LL_ENDL;
 		return didPost;
 	}
 
 	// root must be called panel
 	if( !root->hasName("panel" ) )
 	{
-		llwarns << "Root node should be named panel in : " << filename << llendl;
+		LL_WARNS() << "Root node should be named panel in : " << filename << LL_ENDL;
 		return didPost;
 	}
 
-	lldebugs << "Building panel " << filename << llendl;
+	LL_DEBUGS() << "Building panel " << filename << LL_ENDL;
 
 	LLUICtrlFactory::instance().pushFileName(filename);
 	{
diff --git a/indra/llui/llpanel.h b/indra/llui/llpanel.h
index e63b41f97c..9f2a31e632 100755
--- a/indra/llui/llpanel.h
+++ b/indra/llui/llpanel.h
@@ -105,6 +105,8 @@ protected:
 	LLPanel(const LLPanel::Params& params = getDefaultParams());
 	
 public:
+	typedef std::vector<class LLUICtrl *>				ctrl_list_t;
+
 	BOOL buildFromFile(const std::string &filename, const LLPanel::Params& default_params = getDefaultParams());
 
 	static LLPanel* createFactoryPanel(const std::string& name);
@@ -115,7 +117,7 @@ public:
 	/*virtual*/ BOOL 	isPanel() const;
 	/*virtual*/ void	draw();	
 	/*virtual*/ BOOL	handleKeyHere( KEY key, MASK mask );
-	/*virtual*/ void 	handleVisibilityChange ( BOOL new_visibility );
+	/*virtual*/ void 	onVisibilityChange ( BOOL new_visibility );
 
 	// From LLFocusableElement
 	/*virtual*/ void	setFocus( BOOL b );
@@ -154,6 +156,7 @@ public:
 	std::string		getHelpTopic() const { return mHelpTopic; }
 	
 	void			setCtrlsEnabled(BOOL b);
+	ctrl_list_t		getCtrlList() const;
 
 	LLHandle<LLPanel>	getHandle() const { return getDerivedHandle<LLPanel>(); }
 
@@ -174,19 +177,10 @@ public:
 
 	// LLView
 	void childSetVisible(const std::string& name, bool visible);
-	void childShow(const std::string& name) { childSetVisible(name, true); }
-	void childHide(const std::string& name) { childSetVisible(name, false); }
-	bool childIsVisible(const std::string& id) const;
-	void childSetTentative(const std::string& name, bool tentative);
 
 	void childSetEnabled(const std::string& name, bool enabled);
 	void childEnable(const std::string& name)	{ childSetEnabled(name, true); }
 	void childDisable(const std::string& name) { childSetEnabled(name, false); };
-	bool childIsEnabled(const std::string& id) const;
-
-	void childSetToolTip(const std::string& id, const std::string& msg);
-	void childSetRect(const std::string& id, const LLRect &rect);
-	bool childGetRect(const std::string& id, LLRect& rect) const;
 
 	// LLUICtrl
 	void childSetFocus(const std::string& id, BOOL focus = TRUE);
@@ -197,9 +191,6 @@ public:
 	// which takes a generic slot.  Or use mCommitCallbackRegistrar.add() with
 	// a named callback and reference it in XML.
 	void childSetCommitCallback(const std::string& id, boost::function<void (LLUICtrl*,void*)> cb, void* data);	
-	
-	void childSetValidate(const std::string& id, boost::function<bool (const LLSD& data)> cb );
-
 	void childSetColor(const std::string& id, const LLColor4& color);
 
 	LLCtrlSelectionInterface* childGetSelectionInterface(const std::string& id) const;
@@ -214,34 +205,11 @@ public:
 	// Not implemented for all types, defaults to noop, returns FALSE if not applicaple
 	BOOL childSetTextArg(const std::string& id, const std::string& key, const LLStringExplicit& text);
 	BOOL childSetLabelArg(const std::string& id, const std::string& key, const LLStringExplicit& text);
-	BOOL childSetToolTipArg(const std::string& id, const std::string& key, const LLStringExplicit& text);
 	
-	// LLTabContainer
-	void childShowTab(const std::string& id, const std::string& tabname, bool visible = true);
-	LLPanel *childGetVisibleTab(const std::string& id) const;
-
-	// Find a child with a nonempty Help topic 
-	LLPanel *childGetVisibleTabWithHelp();
-	LLPanel *childGetVisiblePanelWithHelp();
-
-	// LLTextBox/LLTextEditor/LLLineEditor
-	void childSetText(const std::string& id, const LLStringExplicit& text) { childSetValue(id, LLSD(text)); }
-
-	// *NOTE: Does not return text from <string> tags, use getString()
-	std::string childGetText(const std::string& id) const { return childGetValue(id).asString(); }
-
-	// LLLineEditor
-	void childSetPrevalidate(const std::string& id, bool (*func)(const LLWString &) );
-
 	// LLButton
 	void childSetAction(const std::string& id, boost::function<void(void*)> function, void* value);
 	void childSetAction(const std::string& id, const commit_signal_t::slot_type& function);
 
-	// LLTextBox
-	void childSetActionTextbox(const std::string& id, boost::function<void(void*)> function, void* value = NULL);
-
-	void childSetControlName(const std::string& id, const std::string& control_name);
-
 	static LLView*	fromXML(LLXMLNodePtr node, LLView *parent, LLXMLNodePtr output_node = NULL);
 
 	//call onOpen to let panel know when it's about to be shown or activated
diff --git a/indra/llui/llradiogroup.cpp b/indra/llui/llradiogroup.cpp
index 95a7d09382..b53bb16d97 100755
--- a/indra/llui/llradiogroup.cpp
+++ b/indra/llui/llradiogroup.cpp
@@ -289,7 +289,7 @@ BOOL LLRadioGroup::handleMouseDown(S32 x, S32 y, MASK mask)
 
 void LLRadioGroup::onClickButton(LLUICtrl* ctrl)
 {
-	// llinfos << "LLRadioGroup::onClickButton" << llendl;
+	// LL_INFOS() << "LLRadioGroup::onClickButton" << LL_ENDL;
 	LLRadioCtrl* clicked_radio = dynamic_cast<LLRadioCtrl*>(ctrl);
 	if (!clicked_radio)
 	    return;
@@ -319,7 +319,7 @@ void LLRadioGroup::onClickButton(LLUICtrl* ctrl)
 		index++;
 	}
 
-	llwarns << "LLRadioGroup::onClickButton - clicked button that isn't a child" << llendl;
+	LL_WARNS() << "LLRadioGroup::onClickButton - clicked button that isn't a child" << LL_ENDL;
 }
 
 void LLRadioGroup::setValue( const LLSD& value )
diff --git a/indra/llui/llresizebar.cpp b/indra/llui/llresizebar.cpp
index e67b22c977..115c4e23be 100755
--- a/indra/llui/llresizebar.cpp
+++ b/indra/llui/llresizebar.cpp
@@ -35,46 +35,18 @@
 #include "llfocusmgr.h"
 #include "llwindow.h"
 
-class LLImagePanel : public LLPanel
-{
-public:
-	struct Params :	public LLInitParam::Block<Params, LLPanel::Params>
-	{
-		Optional<bool> horizontal;
-		Params() : horizontal("horizontal", false) {}
-	};
-	LLImagePanel(const Params& p) : LLPanel(p), mHorizontal(p.horizontal) {}
-	virtual ~LLImagePanel() {}
-
-	void draw()
-	{
-		const LLRect& parent_rect = getParent()->getRect();
-		const LLRect& rect = getRect();
-		LLRect clip_rect( -rect.mLeft, parent_rect.getHeight() - rect.mBottom - 2
-						 , parent_rect.getWidth() - rect.mLeft - (mHorizontal ? 2 : 0), -rect.mBottom);
-		LLLocalClipRect clip(clip_rect);
-		LLPanel::draw();
-	}
-
-private:
-	bool mHorizontal;
-};
-
-static LLDefaultChildRegistry::Register<LLImagePanel> t1("resize_bar_image_panel");
-
 LLResizeBar::Params::Params()
 :	max_size("max_size", S32_MAX),
 	snapping_enabled("snapping_enabled", true),
 	resizing_view("resizing_view"),
 	side("side"),
-	allow_double_click_snapping("allow_double_click_snapping", true),
-	show_drag_handle("show_drag_handle", false)
+	allow_double_click_snapping("allow_double_click_snapping", true)
 {
 	name = "resize_bar";
 }
 
 LLResizeBar::LLResizeBar(const LLResizeBar::Params& p)
-:	LLPanel(p),
+:	LLView(p),
 	mDragLastScreenX( 0 ),
 	mDragLastScreenY( 0 ),
 	mLastMouseScreenX( 0 ),
@@ -86,7 +58,6 @@ LLResizeBar::LLResizeBar(const LLResizeBar::Params& p)
 	mAllowDoubleClickSnapping(p.allow_double_click_snapping),
 	mResizingView(p.resizing_view),
 	mResizeListener(NULL),
-	mShowDragHandle(p.show_drag_handle),
 	mImagePanel(NULL)
 {
 	setFollowsNone();
@@ -116,36 +87,6 @@ LLResizeBar::LLResizeBar(const LLResizeBar::Params& p)
 	default:
 		break;
 	}
-
-	if (mShowDragHandle)
-	{
-		LLViewBorder::Params border_params;
-		border_params.border_thickness = 1;
-		border_params.highlight_light_color = LLUIColorTable::instance().getColor("ResizebarBorderLight");
-		border_params.shadow_dark_color = LLUIColorTable::instance().getColor("ResizebarBorderDark");
-
-		addBorder(border_params);
-		setBorderVisible(TRUE);
-
-		LLImagePanel::Params image_panel;
-		mDragHandleImage = LLUI::getUIImage(LLResizeBar::RIGHT == mSide ? "Vertical Drag Handle" : "Horizontal Drag Handle");
-		image_panel.bg_alpha_image = mDragHandleImage;
-		image_panel.background_visible = true;
-		image_panel.horizontal = (LLResizeBar::BOTTOM == mSide);
-		mImagePanel = LLUICtrlFactory::create<LLImagePanel>(image_panel);
-		setImagePanel(mImagePanel);
-	}
-}
-
-BOOL LLResizeBar::postBuild()
-{
-	if (mShowDragHandle)
-	{
-		setBackgroundVisible(TRUE);
-		setTransparentColor(LLUIColorTable::instance().getColor("ResizebarBody"));
-	}
-
-	return LLPanel::postBuild();
 }
 
 BOOL LLResizeBar::handleMouseDown(S32 x, S32 y, MASK mask)
@@ -433,18 +374,3 @@ LLPanel * LLResizeBar::getImagePanel() const
 {
 	return getChildCount() > 0 ? (LLPanel *)getChildList()->back() : NULL;
 }
-
-void LLResizeBar::draw()
-{
-	if (mShowDragHandle)
-	{
-		S32 image_width = mDragHandleImage->getTextureWidth();
-		S32 image_height = mDragHandleImage->getTextureHeight();
-		const LLRect& panel_rect = getRect();
-		S32 image_left = (panel_rect.getWidth() - image_width) / 2 - 1;
-		S32 image_bottom = (panel_rect.getHeight() - image_height) / 2;
-		mImagePanel->setRect(LLRect(image_left, image_bottom + image_height, image_left + image_width, image_bottom));
-	}
-
-	LLPanel::draw();
-}
diff --git a/indra/llui/llresizebar.h b/indra/llui/llresizebar.h
index bcf8ea0b40..20a2406484 100755
--- a/indra/llui/llresizebar.h
+++ b/indra/llui/llresizebar.h
@@ -27,14 +27,14 @@
 #ifndef LL_RESIZEBAR_H
 #define LL_RESIZEBAR_H
 
-#include "llpanel.h"
+#include "llview.h"
 
-class LLResizeBar : public LLPanel
+class LLResizeBar : public LLView
 {
 public:
 	enum Side { LEFT, TOP, RIGHT, BOTTOM };
 
-	struct Params : public LLInitParam::Block<Params, LLPanel::Params>
+	struct Params : public LLInitParam::Block<Params, LLView::Params>
 	{
 		Mandatory<LLView*> resizing_view;
 		Mandatory<Side>	side;
@@ -43,7 +43,6 @@ public:
 		Optional<S32>	max_size;
 		Optional<bool>	snapping_enabled;
 		Optional<bool>	allow_double_click_snapping;
-		Optional<bool>	show_drag_handle;
 
 		Params();
 	};
@@ -52,10 +51,8 @@ protected:
 	LLResizeBar(const LLResizeBar::Params& p);
 	friend class LLUICtrlFactory;
 
-	/*virtual*/ BOOL postBuild();
 public:
 
-	virtual void	draw();
 	virtual BOOL	handleHover(S32 x, S32 y, MASK mask);
 	virtual BOOL	handleMouseDown(S32 x, S32 y, MASK mask);
 	virtual BOOL	handleMouseUp(S32 x, S32 y, MASK mask);
@@ -66,7 +63,6 @@ public:
 	void			setAllowDoubleClickSnapping(BOOL allow) { mAllowDoubleClickSnapping = allow; }
 	bool			canResize() { return getEnabled() && mMaxSize > mMinSize; }
 	void            setResizeListener(boost::function<void(void*)> listener) {mResizeListener = listener;}
-	BOOL			isShowDragHandle() const { return mShowDragHandle; }
 	void			setImagePanel(LLPanel * panelp);
 	LLPanel *		getImagePanel() const;
 
@@ -79,9 +75,8 @@ private:
 	S32								mMinSize;
 	S32								mMaxSize;
 	const Side						mSide;
-	BOOL							mSnappingEnabled;
-	BOOL							mAllowDoubleClickSnapping;
-	BOOL							mShowDragHandle;
+	bool							mSnappingEnabled,
+									mAllowDoubleClickSnapping;
 	LLView*							mResizingView;
 	boost::function<void(void*)>	mResizeListener;
 	LLPointer<LLUIImage>			mDragHandleImage;
diff --git a/indra/llui/llresmgr.cpp b/indra/llui/llresmgr.cpp
index 820e7cb26a..6e924c1f19 100755
--- a/indra/llui/llresmgr.cpp
+++ b/indra/llui/llresmgr.cpp
@@ -45,33 +45,6 @@ LLResMgr::LLResMgr()
 void LLResMgr::setLocale( LLLOCALE_ID locale_id )
 {
 	mLocale = locale_id;
-
-	//RN: for now, use normal 'C' locale for everything but specific UI input/output routines
-//	switch( locale_id )
-//	{
-//	case LLLOCALE_USA: 
-//#if LL_WINDOWS
-//		// Windows doesn't use ISO country codes.
-//		llinfos << "Setting locale to " << setlocale( LC_ALL, "english-usa" ) << llendl;
-//#else	
-//		// posix version should work everywhere else.
-//		llinfos << "Setting locale to " << setlocale( LC_ALL, "en_US" ) << llendl;
-//#endif
-//		break;
-//	case LLLOCALE_UK:
-//#if LL_WINDOWS
-//		// Windows doesn't use ISO country codes.
-//		llinfos << "Setting locale to " << setlocale( LC_ALL, "english-uk" ) << llendl;
-//#else
-//		// posix version should work everywhere else.
-//		llinfos << "Setting locale to " << setlocale( LC_ALL, "en_GB" ) << llendl;
-//#endif
-//		break;
-//	default:
-//		llassert(0);
-//		setLocale(LLLOCALE_USA);
-//		break;
-//	}
 }
 
 char LLResMgr::getDecimalPoint() const					
@@ -342,7 +315,7 @@ LLLocale::LLLocale(const std::string& locale_string)
 	}
 	//else
 	//{
-	//	llinfos << "Set locale to " << new_locale_string << llendl;
+	//	LL_INFOS() << "Set locale to " << new_locale_string << LL_ENDL;
 	//}
 }
 
diff --git a/indra/llui/llrngwriter.cpp b/indra/llui/llrngwriter.cpp
index 5e6840d7df..cd9fe3610e 100755
--- a/indra/llui/llrngwriter.cpp
+++ b/indra/llui/llrngwriter.cpp
@@ -29,6 +29,7 @@
 #include "llrngwriter.h"
 #include "lluicolor.h"
 #include "lluictrlfactory.h"
+#include "boost/bind.hpp"
 
 static 	LLInitParam::Parser::parser_read_func_map_t sReadFuncs;
 static 	LLInitParam::Parser::parser_write_func_map_t sWriteFuncs;
diff --git a/indra/llui/llscrollbar.cpp b/indra/llui/llscrollbar.cpp
index 13887cbe73..76134144a0 100755
--- a/indra/llui/llscrollbar.cpp
+++ b/indra/llui/llscrollbar.cpp
@@ -381,7 +381,7 @@ BOOL LLScrollbar::handleHover(S32 x, S32 y, MASK mask)
 		}
 
 		getWindow()->setCursor(UI_CURSOR_ARROW);
-		lldebugst(LLERR_USER_INPUT) << "hover handled by " << getName() << " (active)" << llendl;		
+		LL_DEBUGS("UserInput") << "hover handled by " << getName() << " (active)" << LL_ENDL;		
 		handled = TRUE;
 	}
 	else
@@ -393,7 +393,7 @@ BOOL LLScrollbar::handleHover(S32 x, S32 y, MASK mask)
 	if( !handled )
 	{
 		getWindow()->setCursor(UI_CURSOR_ARROW);
-		lldebugst(LLERR_USER_INPUT) << "hover handled by " << getName() << " (inactive)"  << llendl;		
+		LL_DEBUGS("UserInput") << "hover handled by " << getName() << " (inactive)"  << LL_ENDL;		
 		handled = TRUE;
 	}
 
@@ -493,11 +493,11 @@ void LLScrollbar::draw()
 	BOOL hovered = getEnabled() && !other_captor && (hasMouseCapture() || mThumbRect.pointInRect(local_mouse_x, local_mouse_y));
 	if (hovered)
 	{
-		mCurGlowStrength = lerp(mCurGlowStrength, mHoverGlowStrength, LLCriticalDamp::getInterpolant(0.05f));
+		mCurGlowStrength = lerp(mCurGlowStrength, mHoverGlowStrength, LLSmoothInterpolation::getInterpolant(0.05f));
 	}
 	else
 	{
-		mCurGlowStrength = lerp(mCurGlowStrength, 0.f, LLCriticalDamp::getInterpolant(0.05f));
+		mCurGlowStrength = lerp(mCurGlowStrength, 0.f, LLSmoothInterpolation::getInterpolant(0.05f));
 	}
 
 	// Draw background and thumb.
diff --git a/indra/llui/llscrollbar.h b/indra/llui/llscrollbar.h
index 21fd2d631e..e2bf52c14b 100755
--- a/indra/llui/llscrollbar.h
+++ b/indra/llui/llscrollbar.h
@@ -40,13 +40,11 @@ class LLScrollbar
 {
 public:
 
-	enum ORIENTATION { HORIZONTAL, VERTICAL };
-	
 	typedef boost::function<void (S32, LLScrollbar*)> callback_t;
 	struct Params 
 	:	public LLInitParam::Block<Params, LLUICtrl::Params>
 	{
-		Mandatory<ORIENTATION>			orientation;
+		Mandatory<EOrientation>			orientation;
 		Mandatory<S32>					doc_size;
 		Mandatory<S32>					doc_pos;
 		Mandatory<S32>					page_size;
@@ -124,7 +122,7 @@ public:
 
 	void				onLineUpBtnPressed(const LLSD& data);
 	void				onLineDownBtnPressed(const LLSD& data);
-		
+
 	S32					getThickness() const { return mThickness; }
 	void				setThickness(S32 thickness);
 
@@ -134,7 +132,7 @@ private:
 
 	callback_t			mChangeCallback;
 
-	const ORIENTATION	mOrientation;	
+	const EOrientation	mOrientation;	
 	S32					mDocSize;		// Size of the document that the scrollbar is modeling.  Units depend on the user.  0 <= mDocSize.
 	S32					mDocPos;		// Position within the doc that the scrollbar is modeling, in "lines" (user size)
 	S32					mPageSize;		// Maximum number of lines that can be seen at one time.
diff --git a/indra/llui/llscrollcontainer.cpp b/indra/llui/llscrollcontainer.cpp
index 238eae21c2..8c506d76bb 100755
--- a/indra/llui/llscrollcontainer.cpp
+++ b/indra/llui/llscrollcontainer.cpp
@@ -144,7 +144,7 @@ LLScrollContainer::~LLScrollContainer( void )
 {
 	// mScrolledView and mScrollbar are child views, so the LLView
 	// destructor takes care of memory deallocation.
-	for( S32 i = 0; i < SCROLLBAR_COUNT; i++ )
+	for( S32 i = 0; i < ORIENTATION_COUNT; i++ )
 	{
 		mScrollbar[i] = NULL;
 	}
@@ -155,7 +155,6 @@ LLScrollContainer::~LLScrollContainer( void )
 // virtual
 void LLScrollContainer::scrollHorizontal( S32 new_pos )
 {
-	//llinfos << "LLScrollContainer::scrollHorizontal()" << llendl;
 	if( mScrolledView )
 	{
 		LLRect doc_rect = mScrolledView->getRect();
@@ -167,7 +166,6 @@ void LLScrollContainer::scrollHorizontal( S32 new_pos )
 // virtual
 void LLScrollContainer::scrollVertical( S32 new_pos )
 {
-	// llinfos << "LLScrollContainer::scrollVertical() " << new_pos << llendl;
 	if( mScrolledView )
 	{
 		LLRect doc_rect = mScrolledView->getRect();
@@ -215,7 +213,7 @@ BOOL LLScrollContainer::handleKeyHere(KEY key, MASK mask)
 	{
 		return TRUE;
 	}
-	for( S32 i = 0; i < SCROLLBAR_COUNT; i++ )
+	for( S32 i = 0; i < ORIENTATION_COUNT; i++ )
 	{
 		if( mScrollbar[i]->handleKeyHere(key, mask) )
 		{
@@ -645,7 +643,7 @@ void LLScrollContainer::scrollToShowRect(const LLRect& rect, const LLRect& const
 {
 	if (!mScrolledView)
 	{
-		llwarns << "LLScrollContainer::scrollToShowRect with no view!" << llendl;
+		LL_WARNS() << "LLScrollContainer::scrollToShowRect with no view!" << LL_ENDL;
 		return;
 	}
 
diff --git a/indra/llui/llscrollcontainer.h b/indra/llui/llscrollcontainer.h
index 4eb43539b8..f64cf43a8e 100755
--- a/indra/llui/llscrollcontainer.h
+++ b/indra/llui/llscrollcontainer.h
@@ -31,7 +31,6 @@
 #ifndef LL_V4COLOR_H
 #include "v4color.h"
 #endif
-#include "stdenums.h"
 #include "llcoord.h"
 #include "llscrollbar.h"
 
@@ -56,7 +55,6 @@ class LLScrollContainer : public LLUICtrl
 public:
 	// Note: vertical comes before horizontal because vertical
 	// scrollbars have priority for mouse and keyboard events.
-	enum SCROLL_ORIENTATION { VERTICAL, HORIZONTAL, SCROLLBAR_COUNT };
 
 	struct Params : public LLInitParam::Block<Params, LLUICtrl::Params>
 	{
@@ -130,7 +128,7 @@ private:
 	void updateScroll();
 	void calcVisibleSize( S32 *visible_width, S32 *visible_height, BOOL* show_h_scrollbar, BOOL* show_v_scrollbar ) const;
 
-	LLScrollbar* mScrollbar[SCROLLBAR_COUNT];
+	LLScrollbar* mScrollbar[ORIENTATION_COUNT];
 	S32			mSize;
 	BOOL		mIsOpaque;
 	LLUIColor	mBackgroundColor;
diff --git a/indra/llui/llscrollingpanellist.cpp b/indra/llui/llscrollingpanellist.cpp
index 9b65c2b79d..b6f2eb8ba2 100755
--- a/indra/llui/llscrollingpanellist.cpp
+++ b/indra/llui/llscrollingpanellist.cpp
@@ -111,7 +111,7 @@ void LLScrollingPanelList::removePanel( U32 panel_index )
 {
 	if ( mPanelList.empty() || panel_index >= mPanelList.size() )
 	{
-		llwarns << "Panel index " << panel_index << " is out of range!" << llendl;
+		LL_WARNS() << "Panel index " << panel_index << " is out of range!" << LL_ENDL;
 		return;
 	}
 	else
diff --git a/indra/llui/llscrolllistctrl.cpp b/indra/llui/llscrolllistctrl.cpp
index 6e03f604a2..b9c87cc631 100755
--- a/indra/llui/llscrolllistctrl.cpp
+++ b/indra/llui/llscrolllistctrl.cpp
@@ -1447,7 +1447,7 @@ void LLScrollListCtrl::drawItems()
 
 		LLColor4 highlight_color = LLColor4::white;
 		static LLUICachedControl<F32> type_ahead_timeout ("TypeAheadTimeout", 0);
-		highlight_color.mV[VALPHA] = clamp_rescale(mSearchTimer.getElapsedTimeF32(), type_ahead_timeout * 0.7f, type_ahead_timeout, 0.4f, 0.f);
+		highlight_color.mV[VALPHA] = clamp_rescale(mSearchTimer.getElapsedTimeF32(), type_ahead_timeout * 0.7f, type_ahead_timeout(), 0.4f, 0.f);
 
 		S32 first_line = mScrollLines;
 		S32 last_line = llmin((S32)mItemList.size() - 1, mScrollLines + getLinesPerPage());
@@ -1468,8 +1468,6 @@ void LLScrollListCtrl::drawItems()
 				mLineHeight );
 			item->setRect(item_rect);
 
-			//llinfos << item_rect.getWidth() << llendl;
-
 			max_columns = llmax(max_columns, item->getNumColumns());
 
 			LLColor4 fg_color;
@@ -2842,10 +2840,10 @@ LLScrollListColumn* LLScrollListCtrl::getColumn(const std::string& name)
 	return NULL;
 }
 
-LLFastTimer::DeclareTimer FTM_ADD_SCROLLLIST_ELEMENT("Add Scroll List Item");
+LLTrace::BlockTimerStatHandle FTM_ADD_SCROLLLIST_ELEMENT("Add Scroll List Item");
 LLScrollListItem* LLScrollListCtrl::addElement(const LLSD& element, EAddPosition pos, void* userdata)
 {
-	LLFastTimer _(FTM_ADD_SCROLLLIST_ELEMENT);
+	LL_RECORD_BLOCK_TIME(FTM_ADD_SCROLLLIST_ELEMENT);
 	LLScrollListItem::Params item_params;
 	LLParamSDParser parser;
 	parser.readSD(element, item_params);
@@ -2855,14 +2853,14 @@ LLScrollListItem* LLScrollListCtrl::addElement(const LLSD& element, EAddPosition
 
 LLScrollListItem* LLScrollListCtrl::addRow(const LLScrollListItem::Params& item_p, EAddPosition pos)
 {
-	LLFastTimer _(FTM_ADD_SCROLLLIST_ELEMENT);
+	LL_RECORD_BLOCK_TIME(FTM_ADD_SCROLLLIST_ELEMENT);
 	LLScrollListItem *new_item = new LLScrollListItem(item_p);
 	return addRow(new_item, item_p, pos);
 }
 
 LLScrollListItem* LLScrollListCtrl::addRow(LLScrollListItem *new_item, const LLScrollListItem::Params& item_p, EAddPosition pos)
 {
-	LLFastTimer _(FTM_ADD_SCROLLLIST_ELEMENT);
+	LL_RECORD_BLOCK_TIME(FTM_ADD_SCROLLLIST_ELEMENT);
 	if (!item_p.validateBlock() || !new_item) return NULL;
 	new_item->setNumColumns(mColumns.size());
 
diff --git a/indra/llui/llscrolllistctrl.h b/indra/llui/llscrolllistctrl.h
index c61e281a31..6325a79cd5 100755
--- a/indra/llui/llscrolllistctrl.h
+++ b/indra/llui/llscrolllistctrl.h
@@ -34,7 +34,6 @@
 
 #include "lluictrl.h"
 #include "llctrlselectioninterface.h"
-//#include "lldarray.h"
 #include "llfontgl.h"
 #include "llui.h"
 #include "llstring.h"	// LLWString
diff --git a/indra/llui/llscrolllistitem.cpp b/indra/llui/llscrolllistitem.cpp
index 5a1e96ab03..87cd71c505 100755
--- a/indra/llui/llscrolllistitem.cpp
+++ b/indra/llui/llscrolllistitem.cpp
@@ -82,7 +82,7 @@ void LLScrollListItem::setColumn( S32 column, LLScrollListCell *cell )
 	}
 	else
 	{
-		llerrs << "LLScrollListItem::setColumn: bad column: " << column << llendl;
+		LL_ERRS() << "LLScrollListItem::setColumn: bad column: " << column << LL_ENDL;
 	}
 }
 
diff --git a/indra/llui/llslider.cpp b/indra/llui/llslider.cpp
index db72234f94..ebbb951ee6 100755
--- a/indra/llui/llslider.cpp
+++ b/indra/llui/llslider.cpp
@@ -188,12 +188,12 @@ BOOL LLSlider::handleHover(S32 x, S32 y, MASK mask)
 			setValueAndCommit(t * (mMaxValue - mMinValue) + mMinValue );
 		}
 		getWindow()->setCursor(UI_CURSOR_ARROW);
-		lldebugst(LLERR_USER_INPUT) << "hover handled by " << getName() << " (active)" << llendl;
+		LL_DEBUGS("UserInput") << "hover handled by " << getName() << " (active)" << LL_ENDL;
 	}
 	else
 	{
 		getWindow()->setCursor(UI_CURSOR_ARROW);
-		lldebugst(LLERR_USER_INPUT) << "hover handled by " << getName() << " (inactive)" << llendl;		
+		LL_DEBUGS("UserInput") << "hover handled by " << getName() << " (inactive)" << LL_ENDL;		
 	}
 	return TRUE;
 }
diff --git a/indra/llui/llslider.h b/indra/llui/llslider.h
index 700c17ea3e..3b492d8182 100755
--- a/indra/llui/llslider.h
+++ b/indra/llui/llslider.h
@@ -34,8 +34,6 @@
 class LLSlider : public LLF32UICtrl
 {
 public:
-	enum ORIENTATION { HORIZONTAL, VERTICAL };
-
 	struct Params : public LLInitParam::Block<Params, LLF32UICtrl::Params>
 	{
 		Optional<std::string> orientation;
@@ -98,7 +96,7 @@ private:
 	LLPointer<LLUIImage>	mTrackHighlightHorizontalImage;
 	LLPointer<LLUIImage>	mTrackHighlightVerticalImage;
 
-	const ORIENTATION	mOrientation;
+	const EOrientation	mOrientation;
 
 	LLRect		mThumbRect;
 	LLUIColor	mTrackColor;
diff --git a/indra/llui/llsliderctrl.cpp b/indra/llui/llsliderctrl.cpp
index 583ed1ed2e..62c5ecb8f1 100755
--- a/indra/llui/llsliderctrl.cpp
+++ b/indra/llui/llsliderctrl.cpp
@@ -403,7 +403,7 @@ void LLSliderCtrl::setPrecision(S32 precision)
 {
 	if (precision < 0 || precision > 10)
 	{
-		llerrs << "LLSliderCtrl::setPrecision - precision out of range" << llendl;
+		LL_ERRS() << "LLSliderCtrl::setPrecision - precision out of range" << LL_ENDL;
 		return;
 	}
 
diff --git a/indra/llui/llspinctrl.cpp b/indra/llui/llspinctrl.cpp
index 8a728df2e7..ebdbdf59c0 100755
--- a/indra/llui/llspinctrl.cpp
+++ b/indra/llui/llspinctrl.cpp
@@ -384,7 +384,7 @@ void LLSpinCtrl::setPrecision(S32 precision)
 {
 	if (precision < 0 || precision > 10)
 	{
-		llerrs << "LLSpinCtrl::setPrecision - precision out of range" << llendl;
+		LL_ERRS() << "LLSpinCtrl::setPrecision - precision out of range" << LL_ENDL;
 		return;
 	}
 
@@ -400,7 +400,7 @@ void LLSpinCtrl::setLabel(const LLStringExplicit& label)
 	}
 	else
 	{
-		llwarns << "Attempting to set label on LLSpinCtrl constructed without one " << getName() << llendl;
+		LL_WARNS() << "Attempting to set label on LLSpinCtrl constructed without one " << getName() << LL_ENDL;
 	}
 	updateLabelColor();
 }
diff --git a/indra/llui/llstatbar.cpp b/indra/llui/llstatbar.cpp
index 04cce7878e..1bd2bc06f4 100755
--- a/indra/llui/llstatbar.cpp
+++ b/indra/llui/llstatbar.cpp
@@ -34,234 +34,560 @@
 #include "llgl.h"
 #include "llfontgl.h"
 
-#include "llstat.h"
 #include "lluictrlfactory.h"
+#include "lltracerecording.h"
+#include "llcriticaldamp.h"
+#include "lltooltip.h"
+#include "lllocalcliprect.h"
+#include <iostream>
+
+// rate at which to update display of value that is rapidly changing
+const F32 MEAN_VALUE_UPDATE_TIME = 1.f / 4.f; 
+// time between value changes that qualifies as a "rapid change"
+const F32Seconds	RAPID_CHANGE_THRESHOLD(0.2f); 
+// maximum number of rapid changes in RAPID_CHANGE_WINDOW before switching over to displaying the mean 
+// instead of latest value
+const S32 MAX_RAPID_CHANGES_PER_SEC = 10;
+// period of time over which to measure rapid changes
+const F32Seconds RAPID_CHANGE_WINDOW(1.f);
+
+F32 calc_tick_value(F32 min, F32 max)
+{
+	F32 range = max - min;
+	const S32 DIVISORS[] = {6, 8, 10, 4, 5};
+	// try storing 
+	S32 best_decimal_digit_count = S32_MAX;
+	S32 best_divisor = 10;
+	for (U32 divisor_idx = 0; divisor_idx < LL_ARRAY_SIZE(DIVISORS); divisor_idx++)
+	{
+		S32 divisor = DIVISORS[divisor_idx];
+		F32 possible_tick_value = range / divisor;
+		S32 num_whole_digits = llceil(logf(llabs(min + possible_tick_value)) * OO_LN10);
+		for (S32 digit_count = -(num_whole_digits - 1); digit_count < 6; digit_count++)
+		{
+			F32 test_tick_value = min + (possible_tick_value * pow(10.0, digit_count));
 
-///////////////////////////////////////////////////////////////////////////////////
+			if (is_approx_equal((F32)(S32)test_tick_value, test_tick_value))
+			{
+				if (digit_count < best_decimal_digit_count)
+				{
+					best_decimal_digit_count = digit_count;
+					best_divisor = divisor;
+				}
+				break;
+			}
+		}
+	}
 
-LLStatBar::LLStatBar(const Params& p)
-	: LLView(p),
-	  mLabel(p.label),
-	  mUnitLabel(p.unit_label),
-	  mMinBar(p.bar_min),
-	  mMaxBar(p.bar_max),
-	  mStatp(LLStat::getStat(p.stat)),
-	  mTickSpacing(p.tick_spacing),
-	  mLabelSpacing(p.label_spacing),
-	  mPrecision(p.precision),
-	  mUpdatesPerSec(p.update_rate),
-	  mPerSec(p.show_per_sec),
-	  mDisplayBar(p.show_bar),
-	  mDisplayHistory(p.show_history),
-	  mDisplayMean(p.show_mean)
-{
+	return is_approx_equal(range, 0.f) ? 0.f : range / best_divisor;
 }
 
-BOOL LLStatBar::handleMouseDown(S32 x, S32 y, MASK mask)
+void calc_auto_scale_range(F32& min, F32& max, F32& tick)
 {
-	if (mDisplayBar)
+	min = llmin(0.f, min, max);
+	max = llmax(0.f, min, max);
+
+	const F32 RANGES[] = {0.f, 1.f,   1.5f, 2.f, 3.f, 5.f, 10.f};
+	const F32 TICKS[]  = {0.f, 0.25f, 0.5f, 1.f, 1.f, 1.f, 2.f };
+
+	const S32 num_digits_max = is_approx_equal(llabs(max), 0.f)
+							? S32_MIN + 1
+							: llceil(logf(llabs(max)) * OO_LN10);
+	const S32 num_digits_min = is_approx_equal(llabs(min), 0.f)
+							? S32_MIN + 1
+							: llceil(logf(llabs(min)) * OO_LN10);
+
+	const S32 num_digits = llmax(num_digits_max, num_digits_min);
+	const F32 power_of_10 = pow(10.0, num_digits - 1);
+	const F32 starting_max = power_of_10 * ((max < 0.f) ? -1 : 1);
+	const F32 starting_min = power_of_10 * ((min < 0.f) ? -1 : 1);
+
+	F32 cur_max = starting_max;
+	F32 cur_min = starting_min;
+	F32 out_max = max;
+	F32 out_min = min;
+
+	F32 cur_tick_min = 0.f;
+	F32 cur_tick_max = 0.f;
+
+	for (S32 range_idx = 0; range_idx < LL_ARRAY_SIZE(RANGES); range_idx++)
 	{
-		if (mDisplayHistory)
+		cur_max = starting_max * RANGES[range_idx];
+		cur_min = starting_min * RANGES[range_idx];
+
+		if (min > 0.f && cur_min <= min)
 		{
-			mDisplayBar = FALSE;
-			mDisplayHistory = FALSE;
+			out_min = cur_min;
+			cur_tick_min = TICKS[range_idx];
 		}
-		else
+		if (max < 0.f && cur_max >= max)
 		{
-			mDisplayHistory = TRUE;
+			out_max = cur_max;
+			cur_tick_max = TICKS[range_idx];
 		}
 	}
-	else
+
+	cur_max = starting_max;
+	cur_min = starting_min;
+	for (S32 range_idx = LL_ARRAY_SIZE(RANGES) - 1; range_idx >= 0; range_idx--)
 	{
-		mDisplayBar = TRUE;
+		cur_max = starting_max * RANGES[range_idx];
+		cur_min = starting_min * RANGES[range_idx];
+
+		if (min < 0.f && cur_min <= min)
+		{
+			out_min = cur_min;
+			cur_tick_min = TICKS[range_idx];
+		}
+		if (max > 0.f && cur_max >= max)
+		{
+			out_max = cur_max;
+			cur_tick_max = TICKS[range_idx];
+		}	
 	}
 
-	LLView* parent = getParent();
-	parent->reshape(parent->getRect().getWidth(), parent->getRect().getHeight(), FALSE);
+	tick = power_of_10 * llmax(cur_tick_min, cur_tick_max);
+	min = out_min;
+	max = out_max;
+}
 
-	return FALSE;
+LLStatBar::Params::Params()
+:	label("label"),
+	unit_label("unit_label"),
+	bar_min("bar_min", 0.f),
+	bar_max("bar_max", 0.f),
+	tick_spacing("tick_spacing", 0.f),
+	decimal_digits("decimal_digits", 3),
+	show_bar("show_bar", false),
+	show_history("show_history", false),
+	scale_range("scale_range", true),
+	num_frames("num_frames", 200),
+	num_frames_short("num_frames_short", 20),
+	max_height("max_height", 100),
+	stat("stat"),
+	orientation("orientation", VERTICAL)
+{
+	changeDefault(follows.flags, FOLLOWS_TOP | FOLLOWS_LEFT);
 }
 
-void LLStatBar::draw()
+///////////////////////////////////////////////////////////////////////////////////
+
+LLStatBar::LLStatBar(const Params& p)
+:	LLView(p),
+	mLabel(p.label),
+	mUnitLabel(p.unit_label),
+	mTargetMinBar(llmin(p.bar_min, p.bar_max)),
+	mTargetMaxBar(llmax(p.bar_max, p.bar_min)),
+	mCurMaxBar(p.bar_max),
+    mCurMinBar(0),
+	mDecimalDigits(p.decimal_digits),
+	mNumHistoryFrames(p.num_frames),
+	mNumShortHistoryFrames(p.num_frames_short),
+	mMaxHeight(p.max_height),
+	mDisplayBar(p.show_bar),
+	mDisplayHistory(p.show_history),
+	mOrientation(p.orientation),
+	mAutoScaleMax(!p.bar_max.isProvided()),
+	mAutoScaleMin(!p.bar_min.isProvided()),
+	mTickSpacing(p.tick_spacing),
+	mLastDisplayValue(0.f),
+	mStatType(STAT_NONE)
 {
-	if (!mStatp)
-	{
-//		llinfos << "No stats for statistics bar!" << llendl;
-		return;
-	}
+	mFloatingTargetMinBar = mTargetMinBar;
+	mFloatingTargetMaxBar = mTargetMaxBar;
 
-	// Get the values.
-	F32 current, min, max, mean;
-	if (mPerSec)
+	mStat.valid = NULL;
+	// tick value will be automatically calculated later
+	if (!p.tick_spacing.isProvided() && p.bar_min.isProvided() && p.bar_max.isProvided())
 	{
-		current = mStatp->getCurrentPerSec();
-		min = mStatp->getMinPerSec();
-		max = mStatp->getMaxPerSec();
-		mean = mStatp->getMeanPerSec();
+		mTickSpacing = calc_tick_value(mTargetMinBar, mTargetMaxBar);
 	}
-	else
+
+	setStat(p.stat);
+}
+
+BOOL LLStatBar::handleHover(S32 x, S32 y, MASK mask)
+{
+	switch(mStatType)
 	{
-		current = mStatp->getCurrent();
-		min = mStatp->getMin();
-		max = mStatp->getMax();
-		mean = mStatp->getMean();
+	case STAT_COUNT:
+		LLToolTipMgr::instance().show(LLToolTip::Params().message(mStat.countStatp->getDescription()).sticky_rect(calcScreenRect()));
+		break;
+	case STAT_EVENT:
+		LLToolTipMgr::instance().show(LLToolTip::Params().message(mStat.eventStatp->getDescription()).sticky_rect(calcScreenRect()));
+		break;
+	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;
 	}
+	return TRUE;
+}
 
-
-	if ((mUpdatesPerSec == 0.f) || (mUpdateTimer.getElapsedTimeF32() > 1.f/mUpdatesPerSec) || (mValue == 0.f))
+BOOL LLStatBar::handleMouseDown(S32 x, S32 y, MASK mask)
+{
+	BOOL handled = LLView::handleMouseDown(x, y, mask);
+	if (!handled)
 	{
-		if (mDisplayMean)
+		if (mDisplayBar)
 		{
-			mValue = mean;
+			if (mDisplayHistory || mOrientation == HORIZONTAL)
+			{
+				mDisplayBar = FALSE;
+				mDisplayHistory = FALSE;
+			}
+			else
+			{
+				mDisplayHistory = TRUE;
+			}
 		}
 		else
 		{
-			mValue = current;
+			mDisplayBar = TRUE;
+			if (mOrientation == HORIZONTAL)
+			{
+				mDisplayHistory = TRUE;
+			}
 		}
-		mUpdateTimer.reset();
+		LLView* parent = getParent();
+		parent->reshape(parent->getRect().getWidth(), parent->getRect().getHeight(), FALSE);
 	}
+	return TRUE;
+}
 
-	S32 width = getRect().getWidth() - 40;
-	S32 max_width = width;
-	S32 bar_top = getRect().getHeight() - 15; // 16 pixels from top.
-	S32 bar_height = bar_top - 20;
-	S32 tick_height = 4;
-	S32 tick_width = 1;
-	S32 left, top, right, bottom;
+template<typename T>
+S32 calc_num_rapid_changes(LLTrace::PeriodicRecording& periodic_recording, const T& stat, const F32Seconds time_period)
+{
+	F32Seconds			elapsed_time,
+						time_since_value_changed;
+	S32					num_rapid_changes			= 0;
+	const F32Seconds	RAPID_CHANGE_THRESHOLD		= F32Seconds(0.3f);
+	F64					last_value					= periodic_recording.getPrevRecording(1).getLastValue(stat);
 
-	F32 value_scale = max_width/(mMaxBar - mMinBar);
+	for (S32 i = 2; i < periodic_recording.getNumRecordedPeriods(); i++)
+	{
+		LLTrace::Recording& recording = periodic_recording.getPrevRecording(i);
+		F64 cur_value = recording.getLastValue(stat);
 
-	LLFontGL::getFontMonospace()->renderUTF8(mLabel, 0, 0, getRect().getHeight(), LLColor4(1.f, 1.f, 1.f, 1.f),
-											 LLFontGL::LEFT, LLFontGL::TOP);
+		if (last_value != cur_value)
+		{
+			if (time_since_value_changed < RAPID_CHANGE_THRESHOLD) num_rapid_changes++;
+			time_since_value_changed = (F32Seconds)0;	
+		}
+		last_value = cur_value;
+
+		elapsed_time += recording.getDuration();
+		if (elapsed_time > time_period) break;
+	}
 
-	std::string value_format;
-	std::string value_str;
-	if (!mUnitLabel.empty())
+	return num_rapid_changes;
+}
+
+void LLStatBar::draw()
+{
+	LLLocalClipRect _(getLocalRect());
+
+	LLTrace::PeriodicRecording& frame_recording = LLTrace::get_frame_recording();
+	LLTrace::Recording& last_frame_recording = frame_recording.getLastRecording(); 
+
+	std::string unit_label;
+	F32			current			= 0, 
+				min				= 0, 
+				max				= 0,
+				mean			= 0,
+				display_value	= 0;
+	S32			num_frames		= mDisplayHistory 
+								? mNumHistoryFrames 
+								: mNumShortHistoryFrames;
+	S32			num_rapid_changes = 0;
+	S32			decimal_digits = mDecimalDigits;
+
+	switch(mStatType)
 	{
-		value_format = llformat( "%%.%df%%s", mPrecision);
-		value_str = llformat( value_format.c_str(), mValue, mUnitLabel.c_str());
+	case STAT_COUNT:
+		{
+			const LLTrace::StatType<LLTrace::CountAccumulator>& count_stat = *mStat.countStatp;
+
+			unit_label    = std::string(count_stat.getUnitLabel()) + "/s";
+			current       = last_frame_recording.getPerSec(count_stat);
+			min           = frame_recording.getPeriodMinPerSec(count_stat, num_frames);
+			max           = frame_recording.getPeriodMaxPerSec(count_stat, num_frames);
+			mean          = frame_recording.getPeriodMeanPerSec(count_stat, num_frames);
+			display_value = mean;
+		}
+		break;
+	case STAT_EVENT:
+		{
+			const LLTrace::StatType<LLTrace::EventAccumulator>& event_stat = *mStat.eventStatp;
+
+			unit_label        = mUnitLabel.empty() ? event_stat.getUnitLabel() : mUnitLabel;
+			current           = last_frame_recording.getLastValue(event_stat);
+			min               = frame_recording.getPeriodMin(event_stat, num_frames);
+			max               = frame_recording.getPeriodMax(event_stat, num_frames);
+			mean              = frame_recording.getPeriodMean(event_stat, num_frames);
+			display_value     = mean;
+		}
+		break;
+	case STAT_SAMPLE:
+		{
+			const LLTrace::StatType<LLTrace::SampleAccumulator>& sample_stat = *mStat.sampleStatp;
+
+			unit_label        = mUnitLabel.empty() ? sample_stat.getUnitLabel() : mUnitLabel;
+			current           = last_frame_recording.getLastValue(sample_stat);
+			min               = frame_recording.getPeriodMin(sample_stat, num_frames);
+			max               = frame_recording.getPeriodMax(sample_stat, num_frames);
+			mean              = frame_recording.getPeriodMean(sample_stat, num_frames);
+			num_rapid_changes = calc_num_rapid_changes(frame_recording, sample_stat, RAPID_CHANGE_WINDOW);
+
+			if (num_rapid_changes / RAPID_CHANGE_WINDOW.value() > MAX_RAPID_CHANGES_PER_SEC)
+			{
+				display_value = mean;
+			}
+			else
+			{
+				display_value = current;
+				// always display current value, don't rate limit
+				mLastDisplayValue = current;
+				if (is_approx_equal((F32)(S32)display_value, display_value))
+				{
+					decimal_digits = 0;
+				}
+			}
+		}
+		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;
 	}
-	else
+
+	LLRect bar_rect;
+	if (mOrientation == HORIZONTAL)
 	{
-		value_format = llformat( "%%.%df", mPrecision);
-		value_str = llformat( value_format.c_str(), mValue);
+		bar_rect.mTop	 = llmax(5, getRect().getHeight() - 15); 
+		bar_rect.mLeft   = 0;
+		bar_rect.mRight  = getRect().getWidth() - 40;
+		bar_rect.mBottom = llmin(bar_rect.mTop - 5, 0);
+	}
+	else // VERTICAL
+	{
+		bar_rect.mTop    = llmax(5, getRect().getHeight() - 15); 
+		bar_rect.mLeft   = 0;
+		bar_rect.mRight  = getRect().getWidth();
+		bar_rect.mBottom = llmin(bar_rect.mTop - 5, 20);
 	}
 
-	// Draw the value.
-	LLFontGL::getFontMonospace()->renderUTF8(value_str, 0, width, getRect().getHeight(), 
-											 LLColor4(1.f, 1.f, 1.f, 0.5f),
-											 LLFontGL::RIGHT, LLFontGL::TOP);
+	mCurMaxBar = LLSmoothInterpolation::lerp(mCurMaxBar, mTargetMaxBar, 0.05f);
+	mCurMinBar = LLSmoothInterpolation::lerp(mCurMinBar, mTargetMinBar, 0.05f);
 
-	value_format = llformat( "%%.%df", mPrecision);
-	if (mDisplayBar)
+	// rate limited updates
+	if (mLastDisplayValueTimer.getElapsedTimeF32() < MEAN_VALUE_UPDATE_TIME)
 	{
-		std::string tick_label;
+		display_value = mLastDisplayValue;
+	}
+	else
+	{
+		mLastDisplayValueTimer.reset();
+	}
+	drawLabelAndValue(display_value, unit_label, bar_rect, decimal_digits);
+	mLastDisplayValue = display_value;
 
+	if (mDisplayBar && mStat.valid)
+	{
 		// Draw the tick marks.
-		F32 tick_value;
-		top = bar_top;
-		bottom = bar_top - bar_height - tick_height/2;
-
 		LLGLSUIDefault gls_ui;
 		gGL.getTexUnit(0)->unbind(LLTexUnit::TT_TEXTURE);
 
-		for (tick_value = mMinBar; tick_value <= mMaxBar; tick_value += mTickSpacing)
+		F32 value_scale;
+		if (mCurMaxBar == mCurMinBar)
 		{
-			left = llfloor((tick_value - mMinBar)*value_scale);
-			right = left + tick_width;
-			gl_rect_2d(left, top, right, bottom, LLColor4(1.f, 1.f, 1.f, 0.1f));
+			value_scale = 0.f;
 		}
-
-		// Draw the tick labels (and big ticks).
-		bottom = bar_top - bar_height - tick_height;
-		for (tick_value = mMinBar; tick_value <= mMaxBar; tick_value += mLabelSpacing)
+		else
 		{
-			left = llfloor((tick_value - mMinBar)*value_scale);
-			right = left + tick_width;
-			gl_rect_2d(left, top, right, bottom, LLColor4(1.f, 1.f, 1.f, 0.25f));
-
-			tick_label = llformat( value_format.c_str(), tick_value);
-			// draw labels for the tick marks
-			LLFontGL::getFontMonospace()->renderUTF8(tick_label, 0, left - 1, bar_top - bar_height - tick_height,
-													 LLColor4(1.f, 1.f, 1.f, 0.5f),
-													 LLFontGL::LEFT, LLFontGL::TOP);
+			value_scale = (mOrientation == HORIZONTAL) 
+				? (bar_rect.getHeight())/(mCurMaxBar - mCurMinBar)
+				: (bar_rect.getWidth())/(mCurMaxBar - mCurMinBar);
 		}
 
-		// Now, draw the bars
-		top = bar_top;
-		bottom = bar_top - bar_height;
+		drawTicks(min, max, value_scale, bar_rect);
 
 		// draw background bar.
-		left = 0;
-		right = width;
-		gl_rect_2d(left, top, right, bottom, LLColor4(0.f, 0.f, 0.f, 0.25f));
+		gl_rect_2d(bar_rect.mLeft, bar_rect.mTop, bar_rect.mRight, bar_rect.mBottom, LLColor4(0.f, 0.f, 0.f, 0.25f));
 
-		if (mStatp->getNumValues() == 0)
+		// draw values
+		if (!llisnan(display_value) && frame_recording.getNumRecordedPeriods() != 0)
 		{
-			// No data, don't draw anything...
-			return;
-		}
-		// draw min and max
-		left = (S32) ((min - mMinBar) * value_scale);
+			// draw min and max
+			S32 begin = (S32) ((min - mCurMinBar) * value_scale);
 
-		if (left < 0)
-		{
-			left = 0;
-			llwarns << "Min:" << min << llendl;
-		}
+			if (begin < 0)
+			{
+				begin = 0;
+			}
 
-		right = (S32) ((max - mMinBar) * value_scale);
-		gl_rect_2d(left, top, right, bottom, LLColor4(1.f, 0.f, 0.f, 0.25f));
+			S32 end = (S32) ((max - mCurMinBar) * value_scale);
+			if (mOrientation == HORIZONTAL)
+			{
+				gl_rect_2d(bar_rect.mLeft, end, bar_rect.mRight, begin, LLColor4(1.f, 0.f, 0.f, 0.25f));
+			}
+			else // VERTICAL
+			{
+				gl_rect_2d(begin, bar_rect.mTop, end, bar_rect.mBottom, LLColor4(1.f, 0.f, 0.f, 0.25f));
+			}
 
-		S32 num_values = mStatp->getNumValues() - 1;
-		if (mDisplayHistory)
-		{
-			S32 i;
-			for (i = 0; i < num_values; i++)
+			F32 span = (mOrientation == HORIZONTAL)
+					? (bar_rect.getWidth())
+					: (bar_rect.getHeight());
+
+			if (mDisplayHistory && mStat.valid)
 			{
-				if (i == mStatp->getNextBin())
+				const S32 num_values = frame_recording.getNumRecordedPeriods() - 1;
+				F32 min_value = 0.f,
+					max_value = 0.f;
+
+				gGL.color4f(1.f, 0.f, 0.f, 1.f);
+				gGL.begin( LLRender::QUADS );
+				const S32 max_frame = llmin(num_frames, num_values);
+				U32 num_samples = 0;
+				for (S32 i = 1; i <= max_frame; i++)
 				{
-					continue;
+					F32 offset = ((F32)i / (F32)num_frames) * span;
+					LLTrace::Recording& recording = frame_recording.getPrevRecording(i);
+
+					switch(mStatType)
+					{
+						case STAT_COUNT:
+							min_value       = recording.getPerSec(*mStat.countStatp);
+							max_value		= min_value;
+							num_samples		= recording.getSampleCount(*mStat.countStatp);
+							break;
+						case STAT_EVENT:
+							min_value       = recording.getMin(*mStat.eventStatp);
+							max_value		= recording.getMax(*mStat.eventStatp);
+							num_samples		= recording.getSampleCount(*mStat.eventStatp);
+							break;
+						case STAT_SAMPLE:
+							min_value       = recording.getMin(*mStat.sampleStatp);
+							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;
+					}
+
+					if (!num_samples) continue;
+
+					F32 min = (min_value  - mCurMinBar) * value_scale;
+					F32 max = llmax(min + 1, (max_value - mCurMinBar) * value_scale);
+					if (mOrientation == HORIZONTAL)
+					{
+						gGL.vertex2f((F32)bar_rect.mRight - offset, max);
+						gGL.vertex2f((F32)bar_rect.mRight - offset, min);
+						gGL.vertex2f((F32)bar_rect.mRight - offset - 1, min);
+						gGL.vertex2f((F32)bar_rect.mRight - offset - 1, max);
+					}
+					else
+					{
+						gGL.vertex2f(min, (F32)bar_rect.mBottom + offset + 1);
+						gGL.vertex2f(min, (F32)bar_rect.mBottom + offset);
+						gGL.vertex2f(max, (F32)bar_rect.mBottom + offset);
+						gGL.vertex2f(max, (F32)bar_rect.mBottom + offset + 1 );
+					}
 				}
-				if (mPerSec)
+				gGL.end();
+			}
+			else
+			{
+				S32 begin = (S32) ((current - mCurMinBar) * value_scale) - 1;
+				S32 end = (S32) ((current - mCurMinBar) * value_scale) + 1;
+				// draw current
+				if (mOrientation == HORIZONTAL)
 				{
-					left = (S32)((mStatp->getPrevPerSec(i) - mMinBar) * value_scale);
-					right = (S32)((mStatp->getPrevPerSec(i) - mMinBar) * value_scale) + 1;
-					gl_rect_2d(left, bottom+i+1, right, bottom+i, LLColor4(1.f, 0.f, 0.f, 1.f));
+					gl_rect_2d(bar_rect.mLeft, end, bar_rect.mRight, begin, LLColor4(1.f, 0.f, 0.f, 1.f));
 				}
 				else
 				{
-					left = (S32)((mStatp->getPrev(i) - mMinBar) * value_scale);
-					right = (S32)((mStatp->getPrev(i) - mMinBar) * value_scale) + 1;
-					gl_rect_2d(left, bottom+i+1, right, bottom+i, LLColor4(1.f, 0.f, 0.f, 1.f));
+					gl_rect_2d(begin, bar_rect.mTop, end, bar_rect.mBottom, LLColor4(1.f, 0.f, 0.f, 1.f));
 				}
 			}
-		}
-		else
-		{
-			// draw current
-			left = (S32) ((current - mMinBar) * value_scale) - 1;
-			right = (S32) ((current - mMinBar) * value_scale) + 1;
-			gl_rect_2d(left, top, right, bottom, LLColor4(1.f, 0.f, 0.f, 1.f));
-		}
 
-		// draw mean bar
-		top = bar_top + 2;
-		bottom = bar_top - bar_height - 2;
-		left = (S32) ((mean - mMinBar) * value_scale) - 1;
-		right = (S32) ((mean - mMinBar) * value_scale) + 1;
-		gl_rect_2d(left, top, right, bottom, LLColor4(0.f, 1.f, 0.f, 1.f));
+			// draw mean bar
+			{
+				const S32 begin = (S32) ((mean - mCurMinBar) * value_scale) - 1;
+				const S32 end = (S32) ((mean - mCurMinBar) * value_scale) + 1;
+				if (mOrientation == HORIZONTAL)
+				{
+					gl_rect_2d(bar_rect.mLeft - 2, begin, bar_rect.mRight + 2, end, LLColor4(0.f, 1.f, 0.f, 1.f));
+				}
+				else
+				{
+					gl_rect_2d(begin, bar_rect.mTop + 2, end, bar_rect.mBottom - 2, LLColor4(0.f, 1.f, 0.f, 1.f));
+				}
+			}
+		}
 	}
 	
 	LLView::draw();
 }
 
-void LLStatBar::setRange(F32 bar_min, F32 bar_max, F32 tick_spacing, F32 label_spacing)
+void LLStatBar::setStat(const std::string& stat_name)
+{
+	using namespace LLTrace;
+	const StatType<CountAccumulator>*	count_stat;
+	const StatType<EventAccumulator>*	event_stat;
+	const StatType<SampleAccumulator>*	sample_stat;
+	const StatType<MemAccumulator>*		mem_stat;
+
+	if ((count_stat = StatType<CountAccumulator>::getInstance(stat_name)))
+	{
+		mStat.countStatp = count_stat;
+		mStatType = STAT_COUNT;
+	}
+	else if ((event_stat = StatType<EventAccumulator>::getInstance(stat_name)))
+	{
+		mStat.eventStatp = event_stat;
+		mStatType = STAT_EVENT;
+	}
+	else if ((sample_stat = StatType<SampleAccumulator>::getInstance(stat_name)))
+	{
+		mStat.sampleStatp = sample_stat;
+		mStatType = STAT_SAMPLE;
+	}
+	else if ((mem_stat = StatType<MemAccumulator>::getInstance(stat_name)))
+	{
+		mStat.memStatp = mem_stat;
+		mStatType = STAT_MEM;
+	}
+}
+
+
+void LLStatBar::setRange(F32 bar_min, F32 bar_max)
 {
-	mMinBar = bar_min;
-	mMaxBar = bar_max;
-	mTickSpacing = tick_spacing;
-	mLabelSpacing = label_spacing;
+	mTargetMinBar		= llmin(bar_min, bar_max);
+	mTargetMaxBar		= llmax(bar_min, bar_max);
+	mFloatingTargetMinBar = mTargetMinBar;
+	mFloatingTargetMaxBar = mTargetMaxBar;
+	mTickSpacing	= calc_tick_value(mTargetMinBar, mTargetMaxBar);
 }
 
 LLRect LLStatBar::getRequiredRect()
@@ -272,7 +598,7 @@ LLRect LLStatBar::getRequiredRect()
 	{
 		if (mDisplayHistory)
 		{
-			rect.mTop = 35 + mStatp->getNumBins();
+			rect.mTop = mMaxHeight;
 		}
 		else
 		{
@@ -285,3 +611,122 @@ LLRect LLStatBar::getRequiredRect()
 	}
 	return rect;
 }
+
+void LLStatBar::drawLabelAndValue( F32 value, std::string &label, LLRect &bar_rect, S32 decimal_digits )
+{
+	LLFontGL::getFontMonospace()->renderUTF8(mLabel, 0, 0, getRect().getHeight(), LLColor4(1.f, 1.f, 1.f, 1.f),
+		LLFontGL::LEFT, LLFontGL::TOP);
+
+	std::string value_str	= !llisnan(value)
+							? llformat("%10.*f %s", decimal_digits, value, label.c_str())
+							: "n/a";
+
+	// Draw the current value.
+	if (mOrientation == HORIZONTAL)
+	{
+		LLFontGL::getFontMonospace()->renderUTF8(value_str, 0, bar_rect.mRight, getRect().getHeight(), 
+			LLColor4(1.f, 1.f, 1.f, 0.5f),
+			LLFontGL::RIGHT, LLFontGL::TOP);
+	}
+	else
+	{
+		LLFontGL::getFontMonospace()->renderUTF8(value_str, 0, bar_rect.mRight, getRect().getHeight(), 
+			LLColor4(1.f, 1.f, 1.f, 0.5f),
+			LLFontGL::RIGHT, LLFontGL::TOP);
+	}
+}
+
+void LLStatBar::drawTicks( F32 min, F32 max, F32 value_scale, LLRect &bar_rect )
+{
+	if (mAutoScaleMax || mAutoScaleMin)
+	{
+		F32 u = LLSmoothInterpolation::getInterpolant(10.f);
+		mFloatingTargetMinBar = llmin(min, lerp(mFloatingTargetMinBar, min, u));
+		mFloatingTargetMaxBar = llmax(max, lerp(mFloatingTargetMaxBar, max, u));
+		F32 range_min = mAutoScaleMin ? mFloatingTargetMinBar : mTargetMinBar;
+		F32 range_max = mAutoScaleMax ? mFloatingTargetMaxBar : mTargetMaxBar;
+		F32 tick_value = 0.f;
+		calc_auto_scale_range(range_min, range_max, tick_value);
+		if (mAutoScaleMin) { mTargetMinBar = range_min; }
+		if (mAutoScaleMax) { mTargetMaxBar = range_max; }
+		if (mAutoScaleMin && mAutoScaleMax)
+		{
+			mTickSpacing = tick_value;
+		}
+		else
+		{
+			mTickSpacing = calc_tick_value(mTargetMinBar, mTargetMaxBar);
+		}
+	}
+
+	// start counting from actual min, not current, animating min, so that ticks don't float between numbers
+	// ensure ticks always hit 0
+	S32 last_tick = S32_MIN;
+	S32 last_label = S32_MIN;
+	if (mTickSpacing > 0.f && value_scale > 0.f)
+	{
+		const S32 MIN_TICK_SPACING  = mOrientation == HORIZONTAL ? 20 : 30;
+		const S32 MIN_LABEL_SPACING = mOrientation == HORIZONTAL ? 30 : 60;
+		const S32 TICK_LENGTH = 4;
+		const S32 TICK_WIDTH = 1;
+
+		F32 start = mCurMinBar < 0.f
+			? llceil(-mCurMinBar / mTickSpacing) * -mTickSpacing
+			: 0.f;
+		for (F32 tick_value = start; ;tick_value += mTickSpacing)
+		{
+			// clamp to S32_MAX / 2 to avoid floating point to integer overflow resulting in S32_MIN
+			const S32 tick_begin = llfloor(llmin((F32)(S32_MAX / 2), (tick_value - mCurMinBar)*value_scale));
+			const S32 tick_end = tick_begin + TICK_WIDTH;
+			if (tick_begin < last_tick + MIN_TICK_SPACING)
+			{
+				continue;
+			}
+			last_tick = tick_begin;
+
+			S32 decimal_digits = mDecimalDigits;
+			if (is_approx_equal((F32)(S32)tick_value, tick_value))
+			{
+				decimal_digits = 0;
+			}
+			std::string tick_label = llformat("%.*f", decimal_digits, tick_value);
+			S32 tick_label_width = LLFontGL::getFontMonospace()->getWidth(tick_label);
+			if (mOrientation == HORIZONTAL)
+			{
+				if (tick_begin > last_label + MIN_LABEL_SPACING)
+				{
+					gl_rect_2d(bar_rect.mLeft, tick_end, bar_rect.mRight - TICK_LENGTH, tick_begin, LLColor4(1.f, 1.f, 1.f, 0.25f));
+					LLFontGL::getFontMonospace()->renderUTF8(tick_label, 0, bar_rect.mRight, tick_begin,
+						LLColor4(1.f, 1.f, 1.f, 0.5f),
+						LLFontGL::LEFT, LLFontGL::VCENTER);
+					last_label = tick_begin;
+				}
+				else
+				{
+					gl_rect_2d(bar_rect.mLeft, tick_end, bar_rect.mRight - TICK_LENGTH/2, tick_begin, LLColor4(1.f, 1.f, 1.f, 0.1f));
+				}
+			}
+			else
+			{
+				if (tick_begin > last_label + MIN_LABEL_SPACING)
+				{
+					gl_rect_2d(tick_begin, bar_rect.mTop, tick_end, bar_rect.mBottom - TICK_LENGTH, LLColor4(1.f, 1.f, 1.f, 0.25f));
+					S32 label_pos = tick_begin - llround((F32)tick_label_width * ((F32)tick_begin / (F32)bar_rect.getWidth()));
+					LLFontGL::getFontMonospace()->renderUTF8(tick_label, 0, label_pos, bar_rect.mBottom - TICK_LENGTH,
+						LLColor4(1.f, 1.f, 1.f, 0.5f),
+						LLFontGL::LEFT, LLFontGL::TOP);
+					last_label = label_pos;
+				}
+				else
+				{
+					gl_rect_2d(tick_begin, bar_rect.mTop, tick_end, bar_rect.mBottom - TICK_LENGTH/2, LLColor4(1.f, 1.f, 1.f, 0.1f));
+				}
+			}
+			// always draw one tick value past tick_end, so we can see part of the text, if possible
+			if (tick_value > mCurMaxBar)
+			{
+				break;
+			}
+		}
+	}
+}
diff --git a/indra/llui/llstatbar.h b/indra/llui/llstatbar.h
index 513fff3234..89d7ff24ed 100755
--- a/indra/llui/llstatbar.h
+++ b/indra/llui/llstatbar.h
@@ -29,74 +29,92 @@
 
 #include "llview.h"
 #include "llframetimer.h"
-
-class LLStat;
+#include "lltracerecording.h"
 
 class LLStatBar : public LLView
 {
 public:
+
 	struct Params : public LLInitParam::Block<Params, LLView::Params>
 	{
-		Optional<std::string> label;
-		Optional<std::string> unit_label;
-		Optional<F32> bar_min;
-		Optional<F32> bar_max;
-		Optional<F32> tick_spacing;
-		Optional<F32> label_spacing;
-		Optional<U32> precision;
-		Optional<F32> update_rate;
-		Optional<bool> show_per_sec;
-		Optional<bool> show_bar;
-		Optional<bool> show_history;
-		Optional<bool> show_mean;
-		Optional<std::string> stat;
-		Params()
-			: label("label"),
-			  unit_label("unit_label"),
-			  bar_min("bar_min", 0.0f),
-			  bar_max("bar_max", 50.0f),
-			  tick_spacing("tick_spacing", 10.0f),
-			  label_spacing("label_spacing", 10.0f),
-			  precision("precision", 0),
-			  update_rate("update_rate", 5.0f),
-			  show_per_sec("show_per_sec", TRUE),
-			  show_bar("show_bar", TRUE),
-			  show_history("show_history", FALSE),
-			  show_mean("show_mean", TRUE),
-			  stat("stat")
-		{
-			changeDefault(follows.flags, FOLLOWS_TOP | FOLLOWS_LEFT);
-		}
+		Optional<std::string>	label,
+								unit_label;
+
+		Optional<F32>			bar_min,
+								bar_max,
+								tick_spacing;
+
+		Optional<bool>			show_bar,
+								show_history,
+								scale_range;
+
+		Optional<S32>			decimal_digits,
+								num_frames,
+								num_frames_short,
+								max_height;
+		Optional<std::string>	stat;
+		Optional<EOrientation>	orientation;
+
+		Params();
 	};
 	LLStatBar(const Params&);
 
 	virtual void draw();
 	virtual BOOL handleMouseDown(S32 x, S32 y, MASK mask);
+	virtual BOOL handleHover(S32 x, S32 y, MASK mask);
+
+	void setStat(const std::string& stat_name);
 
-	void setStat(LLStat* stat) { mStatp = stat; }
-	void setRange(F32 bar_min, F32 bar_max, F32 tick_spacing, F32 label_spacing);
-	void getRange(F32& bar_min, F32& bar_max) { bar_min = mMinBar; bar_max = mMaxBar; }
+	void setRange(F32 bar_min, F32 bar_max);
+	void getRange(F32& bar_min, F32& bar_max) { bar_min = mTargetMinBar; bar_max = mTargetMaxBar; }
 	
 	/*virtual*/ LLRect getRequiredRect();	// Return the height of this object, given the set options.
 
 private:
-	F32 mMinBar;
-	F32 mMaxBar;
-	F32 mTickSpacing;
-	F32 mLabelSpacing;
-	U32 mPrecision;
-	F32 mUpdatesPerSec;
-	BOOL mPerSec;				// Use the per sec stats.
-	BOOL mDisplayBar;			// Display the bar graph.
-	BOOL mDisplayHistory;
-	BOOL mDisplayMean;			// If true, display mean, if false, display current value
-
-	LLStat* mStatp;
-
-	LLFrameTimer mUpdateTimer;
-	LLUIString mLabel;
-	std::string mUnitLabel;
-	F32 mValue;
+	void drawLabelAndValue( F32 mean, std::string &unit_label, LLRect &bar_rect, S32 decimal_digits );
+	void drawTicks( F32 min, F32 max, F32 value_scale, LLRect &bar_rect );
+
+	F32          mTargetMinBar,
+				 mTargetMaxBar,
+				 mFloatingTargetMinBar,
+				 mFloatingTargetMaxBar,
+				 mCurMaxBar,
+				 mCurMinBar,
+				 mLabelSpacing,
+				 mTickSpacing;
+	S32          mDecimalDigits,
+				 mNumHistoryFrames,
+				 mNumShortHistoryFrames;
+	S32			 mMaxHeight;
+	EOrientation mOrientation;
+	F32			 mLastDisplayValue;
+	LLFrameTimer mLastDisplayValueTimer;
+
+	enum
+	{
+		STAT_NONE,
+		STAT_COUNT,
+		STAT_EVENT,
+		STAT_SAMPLE,
+		STAT_MEM
+	} mStatType;
+
+	union
+	{
+		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;
+	} mStat;
+
+	LLUIString   mLabel;
+	std::string  mUnitLabel;
+
+	bool         mDisplayBar,			// Display the bar graph.
+				 mDisplayHistory,
+				 mAutoScaleMax,
+				 mAutoScaleMin;
 };
 
 #endif
diff --git a/indra/llui/llstatgraph.cpp b/indra/llui/llstatgraph.cpp
index e44887ebf0..a44bc18733 100755
--- a/indra/llui/llstatgraph.cpp
+++ b/indra/llui/llstatgraph.cpp
@@ -32,48 +32,51 @@
 
 #include "llmath.h"
 #include "llui.h"
-#include "llstat.h"
 #include "llgl.h"
 #include "llglheaders.h"
+#include "lltracerecording.h"
+#include "lltracethreadrecorder.h"
 //#include "llviewercontrol.h"
 
 ///////////////////////////////////////////////////////////////////////////////////
 
-LLStatGraph::LLStatGraph(const LLView::Params& p)
-:	LLView(p)
+LLStatGraph::LLStatGraph(const Params& p)
+:	LLView(p),
+	mMin(p.min),
+	mMax(p.max),
+	mPerSec(true),
+	mPrecision(p.precision),
+	mValue(p.value),
+	mNewStatFloatp(p.stat.count_stat_float)
 {
-	mStatp = NULL;
 	setToolTip(p.name());
-	mNumThresholds = 3;
-	mThresholdColors[0] = LLColor4(0.f, 1.f, 0.f, 1.f);
-	mThresholdColors[1] = LLColor4(1.f, 1.f, 0.f, 1.f);
-	mThresholdColors[2] = LLColor4(1.f, 0.f, 0.f, 1.f);
-	mThresholdColors[3] = LLColor4(1.f, 0.f, 0.f, 1.f);
-	mThresholds[0] = 50.f;
-	mThresholds[1] = 75.f;
-	mThresholds[2] = 100.f;
-	mMin = 0.f;
-	mMax = 125.f;
-	mPerSec = TRUE;
-	mValue = 0.f;
-	mPrecision = 0;
+
+	for(LLInitParam::ParamIterator<ThresholdParams>::const_iterator it = p.thresholds.threshold.begin(), end_it = p.thresholds.threshold.end();
+		it != end_it;
+		++it)
+	{
+		mThresholds.push_back(Threshold(it->value(), it->color));
+	}
 }
 
 void LLStatGraph::draw()
 {
 	F32 range, frac;
 	range = mMax - mMin;
-	if (mStatp)
+	if (mNewStatFloatp)
 	{
+		LLTrace::Recording& recording = LLTrace::get_frame_recording().getLastRecording();
+
 		if (mPerSec)
 		{
-			mValue = mStatp->getMeanPerSec();
+			mValue = recording.getPerSec(*mNewStatFloatp);
 		}
 		else
 		{
-			mValue = mStatp->getMean();
+			mValue = recording.getSum(*mNewStatFloatp);
 		}
 	}
+
 	frac = (mValue - mMin) / range;
 	frac = llmax(0.f, frac);
 	frac = llmin(1.f, frac);
@@ -91,19 +94,13 @@ void LLStatGraph::draw()
 
 	LLColor4 color;
 
-	S32 i;
-	for (i = 0; i < mNumThresholds - 1; i++)
+	threshold_vec_t::iterator it = std::lower_bound(mThresholds.begin(), mThresholds.end(), Threshold(mValue / mMax, LLUIColor()));
+
+	if (it != mThresholds.begin())
 	{
-		if (mThresholds[i] > mValue)
-		{
-			break;
-		}
+		it--;
 	}
 
-	//gl_drop_shadow(0,  getRect().getHeight(), getRect().getWidth(), 0,
-	//				LLUIColorTable::instance().getColor("ColorDropShadow"), 
-	//				(S32) gSavedSettings.getF32("DropShadowFloater") );
-
 	color = LLUIColorTable::instance().getColor( "MenuDefaultBgColor" );
 	gGL.color4fv(color.mV);
 	gl_rect_2d(0, getRect().getHeight(), getRect().getWidth(), 0, TRUE);
@@ -111,16 +108,11 @@ void LLStatGraph::draw()
 	gGL.color4fv(LLColor4::black.mV);
 	gl_rect_2d(0, getRect().getHeight(), getRect().getWidth(), 0, FALSE);
 	
-	color = mThresholdColors[i];
+	color = it->mColor;
 	gGL.color4fv(color.mV);
 	gl_rect_2d(1, llround(frac*getRect().getHeight()), getRect().getWidth() - 1, 0, TRUE);
 }
 
-void LLStatGraph::setValue(const LLSD& value)
-{
-	mValue = (F32)value.asReal();
-}
-
 void LLStatGraph::setMin(const F32 min)
 {
 	mMin = min;
@@ -131,27 +123,3 @@ void LLStatGraph::setMax(const F32 max)
 	mMax = max;
 }
 
-void LLStatGraph::setStat(LLStat *statp)
-{
-	mStatp = statp;
-}
-
-void LLStatGraph::setLabel(const std::string& label)
-{
-	mLabel = label;
-}
-
-void LLStatGraph::setUnits(const std::string& units)
-{
-	mUnits = units;
-}
-
-void LLStatGraph::setPrecision(const S32 precision)
-{
-	mPrecision = precision;
-}
-
-void LLStatGraph::setThreshold(const S32 i, F32 value)
-{
-	mThresholds[i] = value;
-}
diff --git a/indra/llui/llstatgraph.h b/indra/llui/llstatgraph.h
index 757525e232..f381e92a4d 100755
--- a/indra/llui/llstatgraph.h
+++ b/indra/llui/llstatgraph.h
@@ -30,29 +30,84 @@
 #include "llview.h"
 #include "llframetimer.h"
 #include "v4color.h"
-
-class LLStat;
+#include "lltrace.h"
 
 class LLStatGraph : public LLView
 {
 public:
-	LLStatGraph(const LLView::Params&);
+	struct ThresholdParams : public LLInitParam::Block<ThresholdParams>
+	{
+		Mandatory<F32>	value;
+		Optional<LLUIColor>	color;
 
-	virtual void draw();
+		ThresholdParams()
+		:	value("value"),
+			color("color", LLColor4::white)
+		{}
+	};
+
+	struct Thresholds : public LLInitParam::Block<Thresholds>
+	{
+		Multiple<ThresholdParams> threshold;
+
+		Thresholds()
+		:	threshold("threshold")
+		{}
+	};
+
+	struct StatParams : public LLInitParam::ChoiceBlock<StatParams>
+	{
+		Alternative<LLTrace::StatType<LLTrace::CountAccumulator>* >	count_stat_float;
+		Alternative<LLTrace::StatType<LLTrace::EventAccumulator>* >	event_stat_float;
+		Alternative<LLTrace::StatType<LLTrace::SampleAccumulator>* >	sample_stat_float;
+	};
+
+	struct Params : public LLInitParam::Block<Params, LLView::Params>
+	{
+		Mandatory<StatParams>	stat;
+		Optional<std::string>	label,
+								units;
+		Optional<S32>			precision;
+		Optional<F32>			min,
+								max;
+		Optional<bool>			per_sec;
+		Optional<F32>			value;
+
+		Optional<Thresholds>	thresholds;
+
+		Params()
+		:	stat("stat"),
+			label("label"),
+			units("units"),
+			precision("precision", 0),
+			min("min", 0.f),
+			max("max", 125.f),
+			per_sec("per_sec", true),
+			value("value", 0.f),
+			thresholds("thresholds")
+		{
+			Thresholds _thresholds;
+			_thresholds.threshold.add(ThresholdParams().value(0.f).color(LLColor4::green))
+								.add(ThresholdParams().value(0.33f).color(LLColor4::yellow))
+								.add(ThresholdParams().value(0.5f).color(LLColor4::red))
+								.add(ThresholdParams().value(0.75f).color(LLColor4::red));
+			thresholds = _thresholds;
+		}
+	};
+	LLStatGraph(const Params&);
 
-	void setLabel(const std::string& label);
-	void setUnits(const std::string& units);
-	void setPrecision(const S32 precision);
-	void setStat(LLStat *statp);
-	void setThreshold(const S32 i, F32 value);
 	void setMin(const F32 min);
 	void setMax(const F32 max);
 
+	virtual void draw();
+
 	/*virtual*/ void setValue(const LLSD& value);
 	
-	LLStat *mStatp;
-	BOOL mPerSec;
 private:
+	LLTrace::StatType<LLTrace::CountAccumulator>*	mNewStatFloatp;
+
+	BOOL mPerSec;
+
 	F32 mValue;
 
 	F32 mMin;
@@ -62,9 +117,25 @@ private:
 	std::string mUnits;
 	S32 mPrecision; // Num of digits of precision after dot
 
-	S32 mNumThresholds;
-	F32 mThresholds[4];
-	LLColor4 mThresholdColors[4];
+	struct Threshold
+	{
+		Threshold(F32 value, const LLUIColor& color)
+		:	mValue(value),
+			mColor(color)
+		{}
+
+		F32 mValue;
+		LLUIColor mColor;
+		bool operator <(const Threshold& other)
+		{
+			return mValue < other.mValue;
+		}
+	};
+	typedef std::vector<Threshold> threshold_vec_t;
+	threshold_vec_t mThresholds;
+	//S32 mNumThresholds;
+	//F32 mThresholds[4];
+	//LLColor4 mThresholdColors[4];
 };
 
 #endif  // LL_LLSTATGRAPH_H
diff --git a/indra/llui/llstatview.h b/indra/llui/llstatview.h
index 5abdc42448..bc78d3b5fd 100755
--- a/indra/llui/llstatview.h
+++ b/indra/llui/llstatview.h
@@ -46,7 +46,8 @@ public:
 		Params() 
 		:	setting("setting")
 		{
-			changeDefault(follows.flags, FOLLOWS_TOP | FOLLOWS_LEFT);
+			changeDefault(follows.flags, FOLLOWS_TOP | FOLLOWS_LEFT | FOLLOWS_RIGHT);
+			changeDefault(show_label, true);
 		}
 	};
 
diff --git a/indra/llui/lltabcontainer.cpp b/indra/llui/lltabcontainer.cpp
index 6fd2bb1b36..05dceeb783 100755
--- a/indra/llui/lltabcontainer.cpp
+++ b/indra/llui/lltabcontainer.cpp
@@ -411,7 +411,7 @@ void LLTabContainer::draw()
 		}
 	}
 
-	setScrollPosPixels((S32)lerp((F32)getScrollPosPixels(), (F32)target_pixel_scroll, LLCriticalDamp::getInterpolant(0.08f)));
+	setScrollPosPixels((S32)lerp((F32)getScrollPosPixels(), (F32)target_pixel_scroll, LLSmoothInterpolation::getInterpolant(0.08f)));
 
 	BOOL has_scroll_arrows = !getTabsHidden() && ((mMaxScrollPos > 0) || (mScrollPosPixels > 0));
 	if (!mIsVertical)
@@ -1601,7 +1601,7 @@ BOOL LLTabContainer::selectTabByName(const std::string& name)
 	LLPanel* panel = getPanelByName(name);
 	if (!panel)
 	{
-		llwarns << "LLTabContainer::selectTabByName(" << name << ") failed" << llendl;
+		LL_WARNS() << "LLTabContainer::selectTabByName(" << name << ") failed" << LL_ENDL;
 		return FALSE;
 	}
 
diff --git a/indra/llui/lltextbase.cpp b/indra/llui/lltextbase.cpp
index 5ec4cf4fe5..eb25b95263 100755
--- a/indra/llui/lltextbase.cpp
+++ b/indra/llui/lltextbase.cpp
@@ -689,7 +689,7 @@ void LLTextBase::drawText()
 				seg_iter++;
 				if (seg_iter == mSegments.end())
 				{
-					llwarns << "Ran off the segmentation end!" << llendl;
+					LL_WARNS() << "Ran off the segmentation end!" << LL_ENDL;
 
 					return;
 				}
@@ -1259,13 +1259,13 @@ void LLTextBase::setReadOnlyColor(const LLColor4 &c)
 }
 
 //virtual
-void LLTextBase::handleVisibilityChange( BOOL new_visibility )
+void LLTextBase::onVisibilityChange( BOOL new_visibility )
 {
 	if(!new_visibility && mPopupMenu)
 	{
 		mPopupMenu->hide();
 	}
-	LLUICtrl::handleVisibilityChange(new_visibility);
+	LLUICtrl::onVisibilityChange(new_visibility);
 }
 
 //virtual
@@ -1318,6 +1318,7 @@ void LLTextBase::replaceWithSuggestion(U32 index)
 			// Insert the suggestion in its place
 			LLWString suggestion = utf8str_to_wstring(mSuggestionList[index]);
 			insertStringNoUndo(it->first, utf8str_to_wstring(mSuggestionList[index]));
+
 			setCursorPos(it->first + (S32)suggestion.length());
 
 			break;
@@ -1436,10 +1437,10 @@ S32 LLTextBase::getLeftOffset(S32 width)
 }
 
 
-static LLFastTimer::DeclareTimer FTM_TEXT_REFLOW ("Text Reflow");
+static LLTrace::BlockTimerStatHandle FTM_TEXT_REFLOW ("Text Reflow");
 void LLTextBase::reflow()
 {
-	LLFastTimer ft(FTM_TEXT_REFLOW);
+	LL_RECORD_BLOCK_TIME(FTM_TEXT_REFLOW);
 
 	updateSegments();
 
@@ -1481,7 +1482,7 @@ void LLTextBase::reflow()
 		// use an even number of iterations to avoid user visible oscillation of the layout
 		if(++reflow_count > 2)
 		{
-			lldebugs << "Breaking out of reflow due to possible infinite loop in " << getName() << llendl;
+			LL_DEBUGS() << "Breaking out of reflow due to possible infinite loop in " << getName() << LL_ENDL;
 			break;
 		}
 	
@@ -1778,10 +1779,10 @@ void LLTextBase::removeDocumentChild(LLView* view)
 }
 
 
-static LLFastTimer::DeclareTimer FTM_UPDATE_TEXT_SEGMENTS("Update Text Segments");
+static LLTrace::BlockTimerStatHandle FTM_UPDATE_TEXT_SEGMENTS("Update Text Segments");
 void LLTextBase::updateSegments()
 {
-	LLFastTimer ft(FTM_UPDATE_TEXT_SEGMENTS);
+	LL_RECORD_BLOCK_TIME(FTM_UPDATE_TEXT_SEGMENTS);
 	createDefaultSegment();
 }
 
@@ -1870,7 +1871,6 @@ LLTextBase::segment_set_t::iterator LLTextBase::getSegIterContaining(S32 index)
 	// when there are no segments, we return the end iterator, which must be checked by caller
 	if (mSegments.size() <= 1) { return mSegments.begin(); }
 
-	//FIXME: avoid operator new somehow (without running into refcount problems)
 	index_segment->setStart(index);
 	index_segment->setEnd(index);
 	segment_set_t::iterator it = mSegments.upper_bound(index_segment);
@@ -2020,7 +2020,7 @@ static LLUIImagePtr image_from_icon_name(const std::string& icon_name)
 	}
 }
 
-static LLFastTimer::DeclareTimer FTM_PARSE_HTML("Parse HTML");
+static LLTrace::BlockTimerStatHandle FTM_PARSE_HTML("Parse HTML");
 
 void LLTextBase::appendTextImpl(const std::string &new_text, const LLStyle::Params& input_params)
 {
@@ -2030,7 +2030,7 @@ void LLTextBase::appendTextImpl(const std::string &new_text, const LLStyle::Para
 	S32 part = (S32)LLTextParser::WHOLE;
 	if (mParseHTML && !style_params.is_link) // Don't search for URLs inside a link segment (STORM-358).
 	{
-		LLFastTimer _(FTM_PARSE_HTML);
+		LL_RECORD_BLOCK_TIME(FTM_PARSE_HTML);
 		S32 start=0,end=0;
 		LLUrlMatch match;
 		std::string text = new_text;
@@ -2097,11 +2097,11 @@ void LLTextBase::appendTextImpl(const std::string &new_text, const LLStyle::Para
 	}
 }
 
-static LLFastTimer::DeclareTimer FTM_APPEND_TEXT("Append Text");
+static LLTrace::BlockTimerStatHandle FTM_APPEND_TEXT("Append Text");
 
 void LLTextBase::appendText(const std::string &new_text, bool prepend_newline, const LLStyle::Params& input_params)
 {
-	LLFastTimer _(FTM_APPEND_TEXT);
+	LL_RECORD_BLOCK_TIME(FTM_APPEND_TEXT);
 	if (new_text.empty()) 
 		return;
 
@@ -2150,7 +2150,7 @@ void LLTextBase::setFont(const LLFontGL* font)
 
 void LLTextBase::needsReflow(S32 index)
 {
-	lldebugs << "reflow on object " << (void*)this << " index = " << mReflowIndex << ", new index = " << index << llendl;
+	LL_DEBUGS() << "reflow on object " << (void*)this << " index = " << mReflowIndex << ", new index = " << index << LL_ENDL;
 	mReflowIndex = llmin(mReflowIndex, index);
 }
 
@@ -3197,7 +3197,7 @@ void LLNormalTextSegment::setToolTip(const std::string& tooltip)
 	// we cannot replace a keyword tooltip that's loaded from a file
 	if (mToken)
 	{
-		llwarns << "LLTextSegment::setToolTip: cannot replace keyword tooltip." << llendl;
+		LL_WARNS() << "LLTextSegment::setToolTip: cannot replace keyword tooltip." << LL_ENDL;
 		return;
 	}
 	mTooltip = tooltip;
@@ -3253,14 +3253,14 @@ S32	LLNormalTextSegment::getNumChars(S32 num_pixels, S32 segment_offset, S32 lin
 
 	if(getLength() < segment_offset + mStart)
 	{ 
-		llinfos << "getLength() < segment_offset + mStart\t getLength()\t" << getLength() << "\tsegment_offset:\t" 
-						<< segment_offset << "\tmStart:\t" << mStart << "\tsegments\t" << mEditor.mSegments.size() << "\tmax_chars\t" << max_chars << llendl;
+		LL_INFOS() << "getLength() < segment_offset + mStart\t getLength()\t" << getLength() << "\tsegment_offset:\t" 
+						<< segment_offset << "\tmStart:\t" << mStart << "\tsegments\t" << mEditor.mSegments.size() << "\tmax_chars\t" << max_chars << LL_ENDL;
 	}
 
 	if( (offsetLength + 1) < max_chars)
 	{
-		llinfos << "offsetString.length() + 1 < max_chars\t max_chars:\t" << max_chars << "\toffsetLength:\t" << offsetLength << " getLength() : "
-			<< getLength() << "\tsegment_offset:\t" << segment_offset << "\tmStart:\t" << mStart << "\tsegments\t" << mEditor.mSegments.size() << llendl;
+		LL_INFOS() << "offsetString.length() + 1 < max_chars\t max_chars:\t" << max_chars << "\toffsetString.length():\t" << offsetLength << " getLength() : "
+			<< getLength() << "\tsegment_offset:\t" << segment_offset << "\tmStart:\t" << mStart << "\tsegments\t" << mEditor.mSegments.size() << LL_ENDL;
 	}
 	
 	S32 num_chars = mStyle->getFont()->maxDrawableChars( text.c_str() + (segment_offset + mStart),
@@ -3290,13 +3290,13 @@ S32	LLNormalTextSegment::getNumChars(S32 num_pixels, S32 segment_offset, S32 lin
 
 void LLNormalTextSegment::dump() const
 {
-	llinfos << "Segment [" << 
+	LL_INFOS() << "Segment [" << 
 //			mColor.mV[VX] << ", " <<
 //			mColor.mV[VY] << ", " <<
 //			mColor.mV[VZ] << "]\t[" <<
 		mStart << ", " <<
 		getEnd() << "]" <<
-		llendl;
+		LL_ENDL;
 }
 
 /*virtual*/
diff --git a/indra/llui/lltextbase.h b/indra/llui/lltextbase.h
index a74e97cac8..87f1a10cc5 100755
--- a/indra/llui/lltextbase.h
+++ b/indra/llui/lltextbase.h
@@ -51,10 +51,15 @@ class LLUrlMatch;
 /// includes a start/end offset from the start of the string, a
 /// style to render with, an optional tooltip, etc.
 ///
-class LLTextSegment : public LLRefCount, public LLMouseHandler
+class LLTextSegment 
+:	public LLRefCount, 
+	public LLMouseHandler
 {
 public:
-	LLTextSegment(S32 start, S32 end) : mStart(start), mEnd(end){};
+	LLTextSegment(S32 start, S32 end) 
+	:	mStart(start), 
+		mEnd(end)
+	{}
 	virtual ~LLTextSegment();
 
 	virtual bool				getDimensions(S32 first_char, S32 num_chars, S32& width, S32& height) const;
@@ -92,10 +97,10 @@ public:
 	/*virtual*/ void			localPointToScreen(S32 local_x, S32 local_y, S32* screen_x, S32* screen_y) const;
 	/*virtual*/ BOOL			hasMouseCapture();
 
-	S32							getStart() const 					{ return mStart; }
-	void						setStart(S32 start)					{ mStart = start; }
-	S32							getEnd() const						{ return mEnd; }
-	void						setEnd( S32 end )					{ mEnd = end; }
+	S32						getStart() const 					{ return mStart; }
+	void					setStart(S32 start)					{ mStart = start; }
+	S32						getEnd() const						{ return mEnd; }
+	void					setEnd( S32 end )					{ mEnd = end; }
 
 protected:
 	S32				mStart;
@@ -327,7 +332,7 @@ public:
 	/*virtual*/ BOOL		acceptsTextInput() const { return !mReadOnly; }
 	/*virtual*/ void		setColor( const LLColor4& c );
 	virtual     void 		setReadOnlyColor(const LLColor4 &c);
-	virtual	    void		handleVisibilityChange( BOOL new_visibility );
+	virtual	    void		onVisibilityChange( BOOL new_visibility );
 
 	/*virtual*/ void		setValue(const LLSD& value );
 	/*virtual*/ LLTextViewModel* getViewModel() const;
@@ -606,7 +611,7 @@ protected:
 	S32							mSelectionStart;
 	S32							mSelectionEnd;
 	LLTimer		                mTripleClickTimer;
-
+	
 	BOOL						mIsSelecting;		// Are we in the middle of a drag-select? 
 
 	// spell checking
diff --git a/indra/llui/lltexteditor.cpp b/indra/llui/lltexteditor.cpp
index 62140dd9d6..aa0d16115e 100755
--- a/indra/llui/lltexteditor.cpp
+++ b/indra/llui/lltexteditor.cpp
@@ -792,7 +792,7 @@ BOOL LLTextEditor::handleHover(S32 x, S32 y, MASK mask)
 			setCursorAtLocalPos( clamped_x, clamped_y, true );
 			mSelectionEnd = mCursorPos;
 		}
-		lldebugst(LLERR_USER_INPUT) << "hover handled by " << getName() << " (active)" << llendl;		
+		LL_DEBUGS("UserInput") << "hover handled by " << getName() << " (active)" << LL_ENDL;		
 		getWindow()->setCursor(UI_CURSOR_IBEAM);
 		handled = TRUE;
 	}
@@ -2512,13 +2512,13 @@ BOOL LLTextEditor::tryToRevertToPristineState()
 }
 
 
-static LLFastTimer::DeclareTimer FTM_SYNTAX_HIGHLIGHTING("Syntax Highlighting");
+static LLTrace::BlockTimerStatHandle FTM_SYNTAX_HIGHLIGHTING("Syntax Highlighting");
 void LLTextEditor::loadKeywords(const std::string& filename,
 								const std::vector<std::string>& funcs,
 								const std::vector<std::string>& tooltips,
 								const LLColor3& color)
 {
-	LLFastTimer ft(FTM_SYNTAX_HIGHLIGHTING);
+	LL_RECORD_BLOCK_TIME(FTM_SYNTAX_HIGHLIGHTING);
 	if(mKeywords.loadFromFile(filename))
 	{
 		S32 count = llmin(funcs.size(), tooltips.size());
@@ -2543,7 +2543,7 @@ void LLTextEditor::updateSegments()
 {
 	if (mReflowIndex < S32_MAX && mKeywords.isLoaded() && mParseOnTheFly)
 	{
-		LLFastTimer ft(FTM_SYNTAX_HIGHLIGHTING);
+		LL_RECORD_BLOCK_TIME(FTM_SYNTAX_HIGHLIGHTING);
 		// HACK:  No non-ascii keywords for now
 		segment_vec_t segment_list;
 		mKeywords.findSegments(&segment_list, getWText(), mDefaultColor.get(), *this);
@@ -2614,20 +2614,20 @@ BOOL LLTextEditor::importBuffer(const char* buffer, S32 length )
 	instream.getline(tbuf, MAX_STRING);
 	if( 1 != sscanf(tbuf, "Linden text version %d", &version) )
 	{
-		llwarns << "Invalid Linden text file header " << llendl;
+		LL_WARNS() << "Invalid Linden text file header " << LL_ENDL;
 		return FALSE;
 	}
 
 	if( 1 != version )
 	{
-		llwarns << "Invalid Linden text file version: " << version << llendl;
+		LL_WARNS() << "Invalid Linden text file version: " << version << LL_ENDL;
 		return FALSE;
 	}
 
 	instream.getline(tbuf, MAX_STRING);
 	if( 0 != sscanf(tbuf, "{") )
 	{
-		llwarns << "Invalid Linden text file format" << llendl;
+		LL_WARNS() << "Invalid Linden text file format" << LL_ENDL;
 		return FALSE;
 	}
 
@@ -2635,13 +2635,13 @@ BOOL LLTextEditor::importBuffer(const char* buffer, S32 length )
 	instream.getline(tbuf, MAX_STRING);
 	if( 1 != sscanf(tbuf, "Text length %d", &text_len) )
 	{
-		llwarns << "Invalid Linden text length field" << llendl;
+		LL_WARNS() << "Invalid Linden text length field" << LL_ENDL;
 		return FALSE;
 	}
 
 	if( text_len > mMaxTextByteLength )
 	{
-		llwarns << "Invalid Linden text length: " << text_len << llendl;
+		LL_WARNS() << "Invalid Linden text length: " << text_len << LL_ENDL;
 		return FALSE;
 	}
 
@@ -2650,21 +2650,21 @@ BOOL LLTextEditor::importBuffer(const char* buffer, S32 length )
 	char* text = new char[ text_len + 1];
 	if (text == NULL)
 	{
-		llerrs << "Memory allocation failure." << llendl;			
+		LL_ERRS() << "Memory allocation failure." << LL_ENDL;			
 		return FALSE;
 	}
 	instream.get(text, text_len + 1, '\0');
 	text[text_len] = '\0';
 	if( text_len != (S32)strlen(text) )/* Flawfinder: ignore */
 	{
-		llwarns << llformat("Invalid text length: %d != %d ",strlen(text),text_len) << llendl;/* Flawfinder: ignore */
+		LL_WARNS() << llformat("Invalid text length: %d != %d ",strlen(text),text_len) << LL_ENDL;/* Flawfinder: ignore */
 		success = FALSE;
 	}
 
 	instream.getline(tbuf, MAX_STRING);
 	if( success && (0 != sscanf(tbuf, "}")) )
 	{
-		llwarns << "Invalid Linden text file format: missing terminal }" << llendl;
+		LL_WARNS() << "Invalid Linden text file format: missing terminal }" << LL_ENDL;
 		success = FALSE;
 	}
 
@@ -2727,7 +2727,7 @@ void LLTextEditor::resetPreedit()
     {
 		if (hasPreeditString())
         {
-            llwarns << "Preedit and selection!" << llendl;
+            LL_WARNS() << "Preedit and selection!" << LL_ENDL;
             deselect();
         }
         else
@@ -2737,6 +2737,12 @@ void LLTextEditor::resetPreedit()
     }
 	if (hasPreeditString())
 	{
+		if (hasSelection())
+		{
+			LL_WARNS() << "Preedit and selection!" << LL_ENDL;
+			deselect();
+		}
+
 		setCursorPos(mPreeditPositions.front());
 		removeStringNoUndo(mCursorPos, mPreeditPositions.back() - mCursorPos);
 		insertStringNoUndo(mCursorPos, mPreeditOverwrittenWString);
@@ -2926,7 +2932,7 @@ void LLTextEditor::markAsPreedit(S32 position, S32 length)
 	setCursorPos(position);
 	if (hasPreeditString())
 	{
-		llwarns << "markAsPreedit invoked when hasPreeditString is true." << llendl;
+		LL_WARNS() << "markAsPreedit invoked when hasPreeditString is true." << LL_ENDL;
 	}
 	mPreeditWString = LLWString( getWText(), position, length );
 	if (length > 0)
diff --git a/indra/llui/lltexteditor.h b/indra/llui/lltexteditor.h
index d3b7bc0eb7..3a96d8ed24 100755
--- a/indra/llui/lltexteditor.h
+++ b/indra/llui/lltexteditor.h
@@ -32,10 +32,8 @@
 #include "llrect.h"
 #include "llkeywords.h"
 #include "llframetimer.h"
-#include "lldarray.h"
 #include "llstyle.h"
 #include "lleditmenuhandler.h"
-#include "lldarray.h"
 #include "llviewborder.h" // for params
 #include "lltextbase.h"
 #include "lltextvalidate.h"
diff --git a/indra/llui/lltextparser.cpp b/indra/llui/lltextparser.cpp
index 8a85f99e0c..0b36241da0 100755
--- a/indra/llui/lltextparser.cpp
+++ b/indra/llui/lltextparser.cpp
@@ -228,7 +228,7 @@ bool LLTextParser::saveToDisk(LLSD highlights)
 	std::string filename=getFileName();
 	if (filename.empty())
 	{
-		llwarns << "LLTextParser::saveToDisk() no valid user directory." << llendl; 
+		LL_WARNS() << "LLTextParser::saveToDisk() no valid user directory." << LL_ENDL; 
 		return FALSE;
 	}	
 	llofstream file;
diff --git a/indra/llui/lltoggleablemenu.cpp b/indra/llui/lltoggleablemenu.cpp
index 00d52fe10d..ccb92ffbb2 100755
--- a/indra/llui/lltoggleablemenu.cpp
+++ b/indra/llui/lltoggleablemenu.cpp
@@ -52,7 +52,7 @@ boost::signals2::connection LLToggleableMenu::setVisibilityChangeCallback(const
 }
 
 // virtual
-void LLToggleableMenu::handleVisibilityChange (BOOL curVisibilityIn)
+void LLToggleableMenu::onVisibilityChange (BOOL curVisibilityIn)
 {
 	S32 x,y;
 	LLUI::getMousePositionLocal(LLUI::getRootView(), &x, &y);
diff --git a/indra/llui/lltoggleablemenu.h b/indra/llui/lltoggleablemenu.h
index dfe70cbf54..55a6483021 100755
--- a/indra/llui/lltoggleablemenu.h
+++ b/indra/llui/lltoggleablemenu.h
@@ -45,7 +45,7 @@ public:
 
 	boost::signals2::connection setVisibilityChangeCallback( const commit_signal_t::slot_type& cb );
 
-	virtual void handleVisibilityChange (BOOL curVisibilityIn);
+	virtual void onVisibilityChange (BOOL curVisibilityIn);
 
 	virtual bool addChild (LLView* view, S32 tab_group = 0);
 
diff --git a/indra/llui/lltoolbar.cpp b/indra/llui/lltoolbar.cpp
index 6bfe113933..eaf8000ba3 100755
--- a/indra/llui/lltoolbar.cpp
+++ b/indra/llui/lltoolbar.cpp
@@ -42,9 +42,9 @@
 
 namespace LLToolBarEnums
 {
-	LLLayoutStack::ELayoutOrientation getOrientation(SideType sideType)
+	LLView::EOrientation getOrientation(SideType sideType)
 	{
-		LLLayoutStack::ELayoutOrientation orientation = LLLayoutStack::HORIZONTAL;
+		LLView::EOrientation orientation = LLLayoutStack::HORIZONTAL;
 
 		if ((sideType == SIDE_LEFT) || (sideType == SIDE_RIGHT))
 		{
@@ -157,7 +157,7 @@ void LLToolBar::createContextMenu()
 		}
 		else
 		{
-			llwarns << "Unable to load toolbars context menu." << llendl;
+			LL_WARNS() << "Unable to load toolbars context menu." << LL_ENDL;
 		}
 	}
 	
@@ -173,7 +173,7 @@ void LLToolBar::initFromParams(const LLToolBar::Params& p)
 	// Initialize the base object
 	LLUICtrl::initFromParams(p);
 	
-	LLLayoutStack::ELayoutOrientation orientation = getOrientation(p.side);
+	LLView::EOrientation orientation = getOrientation(p.side);
 
 	LLLayoutStack::Params centering_stack_p;
 	centering_stack_p.name = "centering_stack";
@@ -525,7 +525,7 @@ int LLToolBar::getRankFromPosition(S32 x, S32 y)
 	int rank = 0;
 
 	// Convert the toolbar coord into button panel coords
-	LLLayoutStack::ELayoutOrientation orientation = getOrientation(mSideType);
+	LLView::EOrientation orientation = getOrientation(mSideType);
 	S32 button_panel_x = 0;
 	S32 button_panel_y = 0;
 	localPointToOtherView(x, y, &button_panel_x, &button_panel_y, mButtonPanel);
@@ -644,7 +644,7 @@ void LLToolBar::updateLayoutAsNeeded()
 {
 	if (!mNeedsLayout) return;
 
-	LLLayoutStack::ELayoutOrientation orientation = getOrientation(mSideType);
+	LLView::EOrientation orientation = getOrientation(mSideType);
 	
 	// our terminology for orientation-agnostic layout is such that
 	// length refers to a distance in the direction we stack the buttons 
@@ -1065,7 +1065,7 @@ BOOL LLToolBar::handleDragAndDrop(S32 x, S32 y, MASK mask, BOOL drop,
 			mDragRank = getRankFromPosition(x, y);
 			// Don't DaD if we're dragging a command on itself
 			mDragAndDropTarget = ((orig_rank != RANK_NONE) && ((mDragRank == orig_rank) || ((mDragRank-1) == orig_rank)) ? false : true);
-			//llinfos << "Merov debug : DaD, rank = " << mDragRank << ", dragged uui = " << inv_item->getUUID() << llendl; 
+			//LL_INFOS() << "Merov debug : DaD, rank = " << mDragRank << ", dragged uui = " << inv_item->getUUID() << LL_ENDL; 
 			/* Do the following if you want to animate the button itself
 			LLCommandId dragged_command(inv_item->getUUID());
 			removeCommand(dragged_command);
diff --git a/indra/llui/lltoolbar.h b/indra/llui/lltoolbar.h
index 743951a41f..e58ab6fc81 100755
--- a/indra/llui/lltoolbar.h
+++ b/indra/llui/lltoolbar.h
@@ -125,7 +125,7 @@ namespace LLToolBarEnums
 		SIDE_TOP,
 	};
 
-	LLLayoutStack::ELayoutOrientation getOrientation(SideType sideType);
+	LLView::EOrientation getOrientation(SideType sideType);
 }
 
 // NOTE: This needs to occur before Param block declaration for proper compilation.
diff --git a/indra/llui/lltooltip.cpp b/indra/llui/lltooltip.cpp
index f52a3b3323..5e1f12996e 100755
--- a/indra/llui/lltooltip.cpp
+++ b/indra/llui/lltooltip.cpp
@@ -476,12 +476,15 @@ void LLToolTipMgr::show(const std::string& msg)
 
 void LLToolTipMgr::show(const LLToolTip::Params& params)
 {
+	if (!params.styled_message.isProvided() 
+		&& (!params.message.isProvided() || params.message().empty())) return;
+
 	// fill in default tooltip params from tool_tip.xml
 	LLToolTip::Params params_with_defaults(params);
 	params_with_defaults.fillFrom(LLUICtrlFactory::instance().getDefaultParams<LLToolTip>());
 	if (!params_with_defaults.validateBlock()) 
 	{
-		llwarns << "Could not display tooltip!" << llendl;
+		LL_WARNS() << "Could not display tooltip!" << LL_ENDL;
 		return;
 	}
 	
diff --git a/indra/llui/lltrans.cpp b/indra/llui/lltrans.cpp
index 5388069c24..4d4ff4236d 100755
--- a/indra/llui/lltrans.cpp
+++ b/indra/llui/lltrans.cpp
@@ -63,8 +63,8 @@ bool LLTrans::parseStrings(LLXMLNodePtr &root, const std::set<std::string>& defa
 	std::string xml_filename = "(strings file)";
 	if (!root->hasName("strings"))
 	{
-		llerrs << "Invalid root node name in " << xml_filename 
-			<< ": was " << root->getName() << ", expected \"strings\"" << llendl;
+		LL_ERRS() << "Invalid root node name in " << xml_filename 
+			<< ": was " << root->getName() << ", expected \"strings\"" << LL_ENDL;
 	}
 
 	StringTable string_table;
@@ -73,7 +73,7 @@ bool LLTrans::parseStrings(LLXMLNodePtr &root, const std::set<std::string>& defa
 
 	if (!string_table.validateBlock())
 	{
-		llerrs << "Problem reading strings: " << xml_filename << llendl;
+		LL_ERRS() << "Problem reading strings: " << xml_filename << LL_ENDL;
 		return false;
 	}
 	
@@ -107,8 +107,8 @@ bool LLTrans::parseLanguageStrings(LLXMLNodePtr &root)
 	std::string xml_filename = "(language strings file)";
 	if (!root->hasName("strings"))
 	{
-		llerrs << "Invalid root node name in " << xml_filename 
-		<< ": was " << root->getName() << ", expected \"strings\"" << llendl;
+		LL_ERRS() << "Invalid root node name in " << xml_filename 
+		<< ": was " << root->getName() << ", expected \"strings\"" << LL_ENDL;
 	}
 	
 	StringTable string_table;
@@ -117,7 +117,7 @@ bool LLTrans::parseLanguageStrings(LLXMLNodePtr &root)
 	
 	if (!string_table.validateBlock())
 	{
-		llerrs << "Problem reading strings: " << xml_filename << llendl;
+		LL_ERRS() << "Problem reading strings: " << xml_filename << LL_ENDL;
 		return false;
 	}
 		
@@ -135,14 +135,14 @@ bool LLTrans::parseLanguageStrings(LLXMLNodePtr &root)
 
 
 
-static LLFastTimer::DeclareTimer FTM_GET_TRANS("Translate string");
+static LLTrace::BlockTimerStatHandle FTM_GET_TRANS("Translate string");
 
 //static 
 std::string LLTrans::getString(const std::string &xml_desc, const LLStringUtil::format_map_t& msg_args)
 {
 	// Don't care about time as much as call count.  Make sure we're not
 	// calling LLTrans::getString() in an inner loop. JC
-	LLFastTimer timer(FTM_GET_TRANS);
+	LL_RECORD_BLOCK_TIME(FTM_GET_TRANS);
 	
 	template_map_t::iterator iter = sStringTemplates.find(xml_desc);
 	if (iter != sStringTemplates.end())
@@ -166,7 +166,7 @@ std::string LLTrans::getString(const std::string &xml_desc, const LLSD& msg_args
 {
 	// Don't care about time as much as call count.  Make sure we're not
 	// calling LLTrans::getString() in an inner loop. JC
-	LLFastTimer timer(FTM_GET_TRANS);
+	LL_RECORD_BLOCK_TIME(FTM_GET_TRANS);
 
 	template_map_t::iterator iter = sStringTemplates.find(xml_desc);
 	if (iter != sStringTemplates.end())
@@ -185,7 +185,7 @@ std::string LLTrans::getString(const std::string &xml_desc, const LLSD& msg_args
 //static 
 bool LLTrans::findString(std::string &result, const std::string &xml_desc, const LLStringUtil::format_map_t& msg_args)
 {
-	LLFastTimer timer(FTM_GET_TRANS);
+	LL_RECORD_BLOCK_TIME(FTM_GET_TRANS);
 	
 	template_map_t::iterator iter = sStringTemplates.find(xml_desc);
 	if (iter != sStringTemplates.end())
@@ -207,7 +207,7 @@ bool LLTrans::findString(std::string &result, const std::string &xml_desc, const
 //static
 bool LLTrans::findString(std::string &result, const std::string &xml_desc, const LLSD& msg_args)
 {
-	LLFastTimer timer(FTM_GET_TRANS);
+	LL_RECORD_BLOCK_TIME(FTM_GET_TRANS);
 
 	template_map_t::iterator iter = sStringTemplates.find(xml_desc);
 	if (iter != sStringTemplates.end())
diff --git a/indra/llui/lltrans.h b/indra/llui/lltrans.h
index 128b51d383..a47ce94f08 100755
--- a/indra/llui/lltrans.h
+++ b/indra/llui/lltrans.h
@@ -28,6 +28,7 @@
 #define LL_TRANS_H
 
 #include <map>
+#include <set>
 
 #include "llpointer.h"
 #include "llstring.h"
diff --git a/indra/llui/lltransutil.cpp b/indra/llui/lltransutil.cpp
index 80d079cbc8..220cee4c90 100755
--- a/indra/llui/lltransutil.cpp
+++ b/indra/llui/lltransutil.cpp
@@ -44,7 +44,7 @@ bool LLTransUtil::parseStrings(const std::string& xml_filename, const std::set<s
 	bool success = LLUICtrlFactory::getLayeredXMLNode(xml_filename, root, LLDir::ALL_SKINS);
 	if (!success)
 	{
-		llerrs << "Couldn't load string table " << xml_filename << llendl;
+		LL_ERRS() << "Couldn't load string table " << xml_filename << LL_ENDL;
 		return false;
 	}
 
@@ -59,7 +59,7 @@ bool LLTransUtil::parseLanguageStrings(const std::string& xml_filename)
 	
 	if (!success)
 	{
-		llerrs << "Couldn't load localization table " << xml_filename << llendl;
+		LL_ERRS() << "Couldn't load localization table " << xml_filename << LL_ENDL;
 		return false;
 	}
 	
diff --git a/indra/llui/llui.cpp b/indra/llui/llui.cpp
index 0ddb149738..1f570edd88 100755
--- a/indra/llui/llui.cpp
+++ b/indra/llui/llui.cpp
@@ -107,7 +107,7 @@ LLUUID find_ui_sound(const char * namep)
 	LLUUID uuid = LLUUID(NULL);
 	if (!LLUI::sSettingGroups["config"]->controlExists(name))
 	{
-		llwarns << "tried to make UI sound for unknown sound name: " << name << llendl;	
+		LL_WARNS() << "tried to make UI sound for unknown sound name: " << name << LL_ENDL;	
 	}
 	else
 	{
@@ -118,19 +118,19 @@ LLUUID find_ui_sound(const char * namep)
 			{
 				if (LLUI::sSettingGroups["config"]->getBOOL("UISndDebugSpamToggle"))
 				{
-					llinfos << "UI sound name: " << name << " triggered but silent (null uuid)" << llendl;	
+					LL_INFOS() << "UI sound name: " << name << " triggered but silent (null uuid)" << LL_ENDL;	
 				}				
 			}
 			else
 			{
-				llwarns << "UI sound named: " << name << " does not translate to a valid uuid" << llendl;	
+				LL_WARNS() << "UI sound named: " << name << " does not translate to a valid uuid" << LL_ENDL;	
 			}
 		}
 		else if (LLUI::sAudioCallback != NULL)
 		{
 			if (LLUI::sSettingGroups["config"]->getBOOL("UISndDebugSpamToggle"))
 			{
-				llinfos << "UI sound name: " << name << llendl;	
+				LL_INFOS() << "UI sound name: " << name << LL_ENDL;	
 			}
 		}
 	}
@@ -170,7 +170,7 @@ void LLUI::initClass(const settings_map_t& settings,
 		(get_ptr_in_map(sSettingGroups, std::string("floater")) == NULL) ||
 		(get_ptr_in_map(sSettingGroups, std::string("ignores")) == NULL))
 	{
-		llerrs << "Failure to initialize configuration groups" << llendl;
+		LL_ERRS() << "Failure to initialize configuration groups" << LL_ENDL;
 	}
 
 	sAudioCallback = audio_callback;
diff --git a/indra/llui/llui.h b/indra/llui/llui.h
index 0bc4424a8c..b162f25887 100755
--- a/indra/llui/llui.h
+++ b/indra/llui/llui.h
@@ -29,9 +29,11 @@
 #define LL_LLUI_H
 
 #include "llrect.h"
+#include "llcoord.h"
 #include "llcontrol.h"
 #include "llcoord.h"
-#include "v2math.h"
+#include "llcontrol.h"
+#include "llglslshader.h"
 #include "llinitparam.h"
 #include "llregistry.h"
 #include "llrender2dutils.h"
@@ -40,8 +42,8 @@
 #include "lluicolortable.h"
 #include "lluiimage.h"
 #include <boost/signals2.hpp>
-#include "lllazyvalue.h"
 #include "llframetimer.h"
+#include "v2math.h"
 #include <limits>
 
 // for initparam specialization
@@ -53,6 +55,52 @@ class LLWindow;
 class LLView;
 class LLHelp;
 
+
+// this enum is used by the llview.h (viewer) and the llassetstorage.h (viewer and sim) 
+enum EDragAndDropType
+{
+	DAD_NONE			= 0,
+	DAD_TEXTURE			= 1,
+	DAD_SOUND			= 2,
+	DAD_CALLINGCARD		= 3,
+	DAD_LANDMARK		= 4,
+	DAD_SCRIPT			= 5,
+	DAD_CLOTHING 		= 6,
+	DAD_OBJECT			= 7,
+	DAD_NOTECARD		= 8,
+	DAD_CATEGORY		= 9,
+	DAD_ROOT_CATEGORY 	= 10,
+	DAD_BODYPART		= 11,
+	DAD_ANIMATION		= 12,
+	DAD_GESTURE			= 13,
+	DAD_LINK			= 14,
+	DAD_MESH            = 15,
+	DAD_WIDGET          = 16,
+	DAD_PERSON          = 17,
+	DAD_COUNT           = 18,   // number of types in this enum
+};
+
+// Reasons for drags to be denied.
+// ordered by priority for multi-drag
+enum EAcceptance
+{
+	ACCEPT_POSTPONED,	// we are asynchronously determining acceptance
+	ACCEPT_NO,			// Uninformative, general purpose denial.
+	ACCEPT_NO_LOCKED,	// Operation would be valid, but permissions are set to disallow it.
+	ACCEPT_YES_COPY_SINGLE,	// We'll take a copy of a single item
+	ACCEPT_YES_SINGLE,		// Accepted. OK to drag and drop single item here.
+	ACCEPT_YES_COPY_MULTI,	// We'll take a copy of multiple items
+	ACCEPT_YES_MULTI		// Accepted. OK to drag and drop multiple items here.
+};
+
+enum EAddPosition
+{
+	ADD_TOP,
+	ADD_BOTTOM,
+	ADD_DEFAULT
+};
+
+
 void make_ui_sound(const char* name);
 void make_ui_sound_deferred(const char * name);
 
@@ -123,7 +171,7 @@ public:
 		{
 			if (mMin > mMax)
 			{
-				llwarns << "Bad interval range (" << mMin << ", " << mMax << ")" << llendl;
+				LL_WARNS() << "Bad interval range (" << mMin << ", " << mMax << ")" << LL_ENDL;
 				// since max is usually the most dangerous one to ignore (buffer overflow, etc), prefer it
 				// in the case of a malformed range
 				mMin = mMax;
@@ -362,7 +410,7 @@ private:
 
 	static void initClass()
 	{
-		llerrs << "No static initClass() method defined for " << typeid(T).name() << llendl;
+		LL_ERRS() << "No static initClass() method defined for " << typeid(T).name() << LL_ENDL;
 	}
 };
 
@@ -377,7 +425,7 @@ private:
 
 	static void destroyClass()
 	{
-		llerrs << "No static destroyClass() method defined for " << typeid(T).name() << llendl;
+		LL_ERRS() << "No static destroyClass() method defined for " << typeid(T).name() << LL_ENDL;
 	}
 };
 
diff --git a/indra/llui/lluicolortable.cpp b/indra/llui/lluicolortable.cpp
index ffeff15968..244f0c6f00 100755
--- a/indra/llui/lluicolortable.cpp
+++ b/indra/llui/lluicolortable.cpp
@@ -117,7 +117,7 @@ void LLUIColorTable::insertFromParams(const Params& p, string_color_map_t& table
 						unresolved_refs.erase(iter->second);
 					}
 
-					llwarns << warning + ending_ref << llendl;
+					LL_WARNS() << warning + ending_ref << LL_ENDL;
 
 					break;
 				}
@@ -156,7 +156,7 @@ void LLUIColorTable::insertFromParams(const Params& p, string_color_map_t& table
 						iter != visited_refs.end();
 						++iter)
 					{
-						llwarns << iter->first << " references a non-existent color" << llendl;
+						LL_WARNS() << iter->first << " references a non-existent color" << LL_ENDL;
 						unresolved_refs.erase(iter->second);
 					}
 
@@ -293,13 +293,13 @@ bool LLUIColorTable::loadFromFilename(const std::string& filename, string_color_
 
 	if(!LLXMLNode::parseFile(filename, root, NULL))
 	{
-		llwarns << "Unable to parse color file " << filename << llendl;
+		LL_WARNS() << "Unable to parse color file " << filename << LL_ENDL;
 		return false;
 	}
 
 	if(!root->hasName("colors"))
 	{
-		llwarns << filename << " is not a valid color definition file" << llendl;
+		LL_WARNS() << filename << " is not a valid color definition file" << LL_ENDL;
 		return false;
 	}
 
@@ -313,7 +313,7 @@ bool LLUIColorTable::loadFromFilename(const std::string& filename, string_color_
 	}
 	else
 	{
-		llwarns << filename << " failed to load" << llendl;
+		LL_WARNS() << filename << " failed to load" << LL_ENDL;
 		return false;
 	}
 
diff --git a/indra/llui/lluictrl.cpp b/indra/llui/lluictrl.cpp
index 1722bf27bd..df74e113e9 100755
--- a/indra/llui/lluictrl.cpp
+++ b/indra/llui/lluictrl.cpp
@@ -33,6 +33,8 @@
 #include "llfocusmgr.h"
 #include "llpanel.h"
 #include "lluictrlfactory.h"
+#include "lltabcontainer.h"
+#include "llaccordionctrltab.h"
 
 static LLDefaultChildRegistry::Register<LLUICtrl> r("ui_ctrl");
 
@@ -118,6 +120,7 @@ LLUICtrl::LLUICtrl(const LLUICtrl::Params& p, const LLViewModelPtr& viewmodel)
 	mDoubleClickSignal(NULL),
 	mTransparencyType(TT_DEFAULT)
 {
+	claimMem(viewmodel.get());
 }
 
 void LLUICtrl::initFromParams(const Params& p)
@@ -211,7 +214,7 @@ LLUICtrl::~LLUICtrl()
 
 	if( gFocusMgr.getTopCtrl() == this )
 	{
-		llwarns << "UI Control holding top ctrl deleted: " << getName() << ".  Top view removed." << llendl;
+		LL_WARNS() << "UI Control holding top ctrl deleted: " << getName() << ".  Top view removed." << LL_ENDL;
 		gFocusMgr.removeTopCtrlWithoutCallback( this );
 	}
 
@@ -257,7 +260,7 @@ LLUICtrl::commit_signal_t::slot_type LLUICtrl::initCommitCallback(const CommitCa
 		}
 		else if (!function_name.empty())
 		{
-			llwarns << "No callback found for: '" << function_name << "' in control: " << getName() << llendl;
+			LL_WARNS() << "No callback found for: '" << function_name << "' in control: " << getName() << LL_ENDL;
 		}			
 	}
 	return default_commit_handler;
@@ -309,7 +312,7 @@ void LLUICtrl::onMouseLeave(S32 x, S32 y, MASK mask)
 BOOL LLUICtrl::handleMouseDown(S32 x, S32 y, MASK mask)
 {
 
-	lldebugs << "LLUICtrl::handleMouseDown calling	LLView)'s handleMouseUp (first initialized xui to: " << getPathname() << " )" << llendl;
+	LL_DEBUGS() << "LLUICtrl::handleMouseDown calling	LLView)'s handleMouseUp (first initialized xui to: " << getPathname() << " )" << LL_ENDL;
   
 	BOOL handled  = LLView::handleMouseDown(x,y,mask);
 	
@@ -317,7 +320,7 @@ BOOL LLUICtrl::handleMouseDown(S32 x, S32 y, MASK mask)
 	{
 		(*mMouseDownSignal)(this,x,y,mask);
 	}
-	lldebugs << "LLUICtrl::handleMousedown - handled is returning as: " << handled << "	  " << llendl;
+	LL_DEBUGS() << "LLUICtrl::handleMousedown - handled is returning as: " << handled << "	  " << LL_ENDL;
 	
 	if (handled) {
 		LLViewerEventRecorder::instance().updateMouseEventInfo(x,y,-56,-56,getPathname());
@@ -329,7 +332,7 @@ BOOL LLUICtrl::handleMouseDown(S32 x, S32 y, MASK mask)
 BOOL LLUICtrl::handleMouseUp(S32 x, S32 y, MASK mask)
 {
 
-	lldebugs << "LLUICtrl::handleMouseUp calling LLView)'s handleMouseUp (first initialized xui to: " << getPathname() << " )" << llendl;
+	LL_DEBUGS() << "LLUICtrl::handleMouseUp calling LLView)'s handleMouseUp (first initialized xui to: " << getPathname() << " )" << LL_ENDL;
 
 	BOOL handled  = LLView::handleMouseUp(x,y,mask);
 	if (handled) {
@@ -340,7 +343,7 @@ BOOL LLUICtrl::handleMouseUp(S32 x, S32 y, MASK mask)
 		(*mMouseUpSignal)(this,x,y,mask);
 	}
 
-	lldebugs << "LLUICtrl::handleMouseUp - handled for xui " << getPathname() << "  -  is returning as: " << handled << "   " << llendl;
+	LL_DEBUGS() << "LLUICtrl::handleMouseUp - handled for xui " << getPathname() << "  -  is returning as: " << handled << "   " << LL_ENDL;
 
 	return handled;
 }
@@ -469,7 +472,7 @@ void LLUICtrl::setControlVariable(LLControlVariable* control)
 	if (mControlVariable)
 	{
 		//RN: this will happen in practice, should we try to avoid it?
-		//llwarns << "setControlName called twice on same control!" << llendl;
+		//LL_WARNS() << "setControlName called twice on same control!" << LL_ENDL;
 		mControlConnection.disconnect(); // disconnect current signal
 		mControlVariable = NULL;
 	}
@@ -719,54 +722,19 @@ BOOL LLUICtrl::getIsChrome() const
 	}
 }
 
-// this comparator uses the crazy disambiguating logic of LLCompareByTabOrder,
-// but to switch up the order so that children that have the default tab group come first
-// and those that are prior to the default tab group come last
-class CompareByDefaultTabGroup: public LLCompareByTabOrder
-{
-public:
-	CompareByDefaultTabGroup(const LLView::child_tab_order_t& order, S32 default_tab_group):
-			LLCompareByTabOrder(order),
-			mDefaultTabGroup(default_tab_group) {}
-private:
-	/*virtual*/ bool compareTabOrders(const LLView::tab_order_t & a, const LLView::tab_order_t & b) const
-	{
-		S32 ag = a.first; // tab group for a
-		S32 bg = b.first; // tab group for b
-		// these two ifs have the effect of moving elements prior to the default tab group to the end of the list 
-		// (still sorted relative to each other, though)
-		if(ag < mDefaultTabGroup && bg >= mDefaultTabGroup) return false;
-		if(bg < mDefaultTabGroup && ag >= mDefaultTabGroup) return true;
-		return a < b;  // sort correctly if they're both on the same side of the default tab group
-	}
-	S32 mDefaultTabGroup;
-};
 
 
-// Sorter for plugging into the query.
-// I'd have defined it local to the one method that uses it but that broke the VS 05 compiler. -MG
-class LLUICtrl::DefaultTabGroupFirstSorter : public LLQuerySorter, public LLSingleton<DefaultTabGroupFirstSorter>
-{
-public:
-	/*virtual*/ void operator() (LLView * parent, viewList_t &children) const
-	{	
-		children.sort(CompareByDefaultTabGroup(parent->getCtrlOrder(), parent->getDefaultTabGroup()));
-	}
-};
-
-LLFastTimer::DeclareTimer FTM_FOCUS_FIRST_ITEM("Focus First Item");
+LLTrace::BlockTimerStatHandle FTM_FOCUS_FIRST_ITEM("Focus First Item");
 
 BOOL LLUICtrl::focusFirstItem(BOOL prefer_text_fields, BOOL focus_flash)
 {
-	LLFastTimer _(FTM_FOCUS_FIRST_ITEM);
+	LL_RECORD_BLOCK_TIME(FTM_FOCUS_FIRST_ITEM);
 	// try to select default tab group child
-	LLCtrlQuery query = getTabOrderQuery();
-	// sort things such that the default tab group is at the front
-	query.setSorter(DefaultTabGroupFirstSorter::getInstance());
+	LLViewQuery query = getTabOrderQuery();
 	child_list_t result = query(this);
 	if(result.size() > 0)
 	{
-		LLUICtrl * ctrl = static_cast<LLUICtrl*>(result.front());
+		LLUICtrl * ctrl = static_cast<LLUICtrl*>(result.back());
 		if(!ctrl->hasFocus())
 		{
 			ctrl->setFocus(TRUE);
@@ -781,17 +749,20 @@ BOOL LLUICtrl::focusFirstItem(BOOL prefer_text_fields, BOOL focus_flash)
 	// search for text field first
 	if(prefer_text_fields)
 	{
-		LLCtrlQuery query = getTabOrderQuery();
+		LLViewQuery query = getTabOrderQuery();
 		query.addPreFilter(LLUICtrl::LLTextInputFilter::getInstance());
 		child_list_t result = query(this);
 		if(result.size() > 0)
 		{
-			LLUICtrl * ctrl = static_cast<LLUICtrl*>(result.front());
+			LLUICtrl * ctrl = static_cast<LLUICtrl*>(result.back());
 			if(!ctrl->hasFocus())
 			{
 				ctrl->setFocus(TRUE);
 				ctrl->onTabInto();  
-				gFocusMgr.triggerFocusFlash();
+				if(focus_flash)
+				{
+					gFocusMgr.triggerFocusFlash();
+				}
 			}
 			return TRUE;
 		}
@@ -800,58 +771,26 @@ BOOL LLUICtrl::focusFirstItem(BOOL prefer_text_fields, BOOL focus_flash)
 	result = getTabOrderQuery().run(this);
 	if(result.size() > 0)
 	{
-		LLUICtrl * ctrl = static_cast<LLUICtrl*>(result.front());
+		LLUICtrl * ctrl = static_cast<LLUICtrl*>(result.back());
 		if(!ctrl->hasFocus())
 		{
 			ctrl->setFocus(TRUE);
 			ctrl->onTabInto();  
-			gFocusMgr.triggerFocusFlash();
-		}
-		return TRUE;
-	}	
-	return FALSE;
-}
-
-BOOL LLUICtrl::focusLastItem(BOOL prefer_text_fields)
-{
-	// search for text field first
-	if(prefer_text_fields)
-	{
-		LLCtrlQuery query = getTabOrderQuery();
-		query.addPreFilter(LLUICtrl::LLTextInputFilter::getInstance());
-		child_list_t result = query(this);
-		if(result.size() > 0)
-		{
-			LLUICtrl * ctrl = static_cast<LLUICtrl*>(result.back());
-			if(!ctrl->hasFocus())
+			if(focus_flash)
 			{
-				ctrl->setFocus(TRUE);
-				ctrl->onTabInto();  
 				gFocusMgr.triggerFocusFlash();
 			}
-			return TRUE;
-		}
-	}
-	// no text field found, or we don't care about text fields
-	child_list_t result = getTabOrderQuery().run(this);
-	if(result.size() > 0)
-	{
-		LLUICtrl * ctrl = static_cast<LLUICtrl*>(result.back());
-		if(!ctrl->hasFocus())
-		{
-			ctrl->setFocus(TRUE);
-			ctrl->onTabInto();  
-			gFocusMgr.triggerFocusFlash();
 		}
 		return TRUE;
 	}	
 	return FALSE;
 }
 
+
 BOOL LLUICtrl::focusNextItem(BOOL text_fields_only)
 {
 	// this assumes that this method is called on the focus root.
-	LLCtrlQuery query = getTabOrderQuery();
+	LLViewQuery query = getTabOrderQuery();
 	static LLUICachedControl<bool> tab_to_text_fields_only ("TabToTextFieldsOnly", false);
 	if(text_fields_only || tab_to_text_fields_only)
 	{
@@ -864,7 +803,7 @@ BOOL LLUICtrl::focusNextItem(BOOL text_fields_only)
 BOOL LLUICtrl::focusPrevItem(BOOL text_fields_only)
 {
 	// this assumes that this method is called on the focus root.
-	LLCtrlQuery query = getTabOrderQuery();
+	LLViewQuery query = getTabOrderQuery();
 	static LLUICachedControl<bool> tab_to_text_fields_only ("TabToTextFieldsOnly", false);
 	if(text_fields_only || tab_to_text_fields_only)
 	{
@@ -921,8 +860,26 @@ bool LLUICtrl::findHelpTopic(std::string& help_topic_out)
 
 		if (panel)
 		{
+
+			LLView *child;
+			LLPanel *subpanel = NULL;
+
 			// does the panel have a sub-panel with a help topic?
-			LLPanel *subpanel = panel->childGetVisiblePanelWithHelp();
+			bfs_tree_iterator_t it = beginTreeBFS();
+			// skip ourselves
+			++it;
+			for (; it != endTreeBFS(); ++it)
+			{
+				child = *it;
+				// do we have a panel with a help topic?
+				LLPanel *panel = dynamic_cast<LLPanel *>(child);
+				if (panel && panel->isInVisibleChain() && !panel->getHelpTopic().empty())
+				{
+					subpanel = panel;
+					break;
+				}
+			}
+
 			if (subpanel)
 			{
 				help_topic_out = subpanel->getHelpTopic();
@@ -930,10 +887,41 @@ bool LLUICtrl::findHelpTopic(std::string& help_topic_out)
 			}
 
 			// does the panel have an active tab with a help topic?
-			LLPanel *tab = panel->childGetVisibleTabWithHelp();
-			if (tab)
+			LLPanel *tab_panel = NULL;
+
+			it = beginTreeBFS();
+			// skip ourselves
+			++it;
+			for (; it != endTreeBFS(); ++it)
+			{
+				child = *it;
+				LLPanel *curTabPanel = NULL;
+
+				// do we have a tab container?
+				LLTabContainer *tab = dynamic_cast<LLTabContainer *>(child);
+				if (tab && tab->getVisible())
+				{
+					curTabPanel = tab->getCurrentPanel();
+				}
+
+				// do we have an accordion tab?
+				LLAccordionCtrlTab* accordion = dynamic_cast<LLAccordionCtrlTab *>(child);
+				if (accordion && accordion->getDisplayChildren())
+				{
+					curTabPanel = dynamic_cast<LLPanel *>(accordion->getAccordionView());
+				}
+
+				// if we found a valid tab, does it have a help topic?
+				if (curTabPanel && !curTabPanel->getHelpTopic().empty())
+				{
+					tab_panel = curTabPanel;
+					break;
+				}
+			}
+
+			if (tab_panel)
 			{
-				help_topic_out = tab->getHelpTopic();
+				help_topic_out = tab_panel->getHelpTopic();
 				return true; // success (tab)
 			}
 
@@ -959,6 +947,8 @@ boost::signals2::connection LLUICtrl::setCommitCallback( boost::function<void (L
 boost::signals2::connection LLUICtrl::setValidateBeforeCommit( boost::function<bool (const LLSD& data)> cb )
 {
 	if (!mValidateSignal) mValidateSignal = new enable_signal_t();
+	claimMem(mValidateSignal);
+
 	return mValidateSignal->connect(boost::bind(cb, _2));
 }
 
@@ -1022,54 +1012,72 @@ boost::signals2::connection LLUICtrl::setValidateCallback(const EnableCallbackPa
 boost::signals2::connection LLUICtrl::setCommitCallback( const commit_signal_t::slot_type& cb ) 
 { 
 	if (!mCommitSignal) mCommitSignal = new commit_signal_t();
+	claimMem(mCommitSignal);
+
 	return mCommitSignal->connect(cb); 
 }
 
 boost::signals2::connection LLUICtrl::setValidateCallback( const enable_signal_t::slot_type& cb ) 
 { 
 	if (!mValidateSignal) mValidateSignal = new enable_signal_t();
+	claimMem(mValidateSignal);
+
 	return mValidateSignal->connect(cb); 
 }
 
 boost::signals2::connection LLUICtrl::setMouseEnterCallback( const commit_signal_t::slot_type& cb ) 
 { 
 	if (!mMouseEnterSignal) mMouseEnterSignal = new commit_signal_t();
+	claimMem(mMouseEnterSignal);
+
 	return mMouseEnterSignal->connect(cb); 
 }
 
 boost::signals2::connection LLUICtrl::setMouseLeaveCallback( const commit_signal_t::slot_type& cb ) 
 { 
 	if (!mMouseLeaveSignal) mMouseLeaveSignal = new commit_signal_t();
+	claimMem(mMouseLeaveSignal);
+
 	return mMouseLeaveSignal->connect(cb); 
 }
 
 boost::signals2::connection LLUICtrl::setMouseDownCallback( const mouse_signal_t::slot_type& cb ) 
 { 
 	if (!mMouseDownSignal) mMouseDownSignal = new mouse_signal_t();
+	claimMem(mMouseDownSignal);
+
 	return mMouseDownSignal->connect(cb); 
 }
 
 boost::signals2::connection LLUICtrl::setMouseUpCallback( const mouse_signal_t::slot_type& cb ) 
 { 
 	if (!mMouseUpSignal) mMouseUpSignal = new mouse_signal_t();
+	claimMem(mMouseUpSignal);
+
 	return mMouseUpSignal->connect(cb); 
 }
 
 boost::signals2::connection LLUICtrl::setRightMouseDownCallback( const mouse_signal_t::slot_type& cb ) 
 { 
 	if (!mRightMouseDownSignal) mRightMouseDownSignal = new mouse_signal_t();
+	claimMem(mRightMouseDownSignal);
+
 	return mRightMouseDownSignal->connect(cb); 
 }
 
 boost::signals2::connection LLUICtrl::setRightMouseUpCallback( const mouse_signal_t::slot_type& cb ) 
 { 
 	if (!mRightMouseUpSignal) mRightMouseUpSignal = new mouse_signal_t();
+	claimMem(mRightMouseUpSignal);
+
 	return mRightMouseUpSignal->connect(cb); 
 }
 
 boost::signals2::connection LLUICtrl::setDoubleClickCallback( const mouse_signal_t::slot_type& cb ) 
 { 
 	if (!mDoubleClickSignal) mDoubleClickSignal = new mouse_signal_t();
+	claimMem(mDoubleClickSignal);
+
 	return mDoubleClickSignal->connect(cb); 
 }
 
diff --git a/indra/llui/lluictrl.h b/indra/llui/lluictrl.h
index fb2196bb16..99553ee0d2 100755
--- a/indra/llui/lluictrl.h
+++ b/indra/llui/lluictrl.h
@@ -220,7 +220,6 @@ public:
 	BOOL	focusNextItem(BOOL text_entry_only);
 	BOOL	focusPrevItem(BOOL text_entry_only);
 	BOOL 	focusFirstItem(BOOL prefer_text_fields = FALSE, BOOL focus_flash = TRUE );
-	BOOL	focusLastItem(BOOL prefer_text_fields = FALSE);
 
 	// Non Virtuals
 	LLHandle<LLUICtrl> getHandle() const { return getDerivedHandle<LLUICtrl>(); }
@@ -315,8 +314,6 @@ private:
 	BOOL			mTentative;
 
 	ETypeTransparency mTransparencyType;
-
-	class DefaultTabGroupFirstSorter;
 };
 
 // Build time optimization, generate once in .cpp file
diff --git a/indra/llui/lluictrlfactory.cpp b/indra/llui/lluictrlfactory.cpp
index 60fee47ae0..4cc7da1267 100755
--- a/indra/llui/lluictrlfactory.cpp
+++ b/indra/llui/lluictrlfactory.cpp
@@ -44,9 +44,9 @@
 // this library includes
 #include "llpanel.h"
 
-LLFastTimer::DeclareTimer FTM_WIDGET_CONSTRUCTION("Widget Construction");
-LLFastTimer::DeclareTimer FTM_INIT_FROM_PARAMS("Widget InitFromParams");
-LLFastTimer::DeclareTimer FTM_WIDGET_SETUP("Widget Setup");
+LLTrace::BlockTimerStatHandle FTM_WIDGET_CONSTRUCTION("Widget Construction");
+LLTrace::BlockTimerStatHandle FTM_INIT_FROM_PARAMS("Widget InitFromParams");
+LLTrace::BlockTimerStatHandle FTM_WIDGET_SETUP("Widget Setup");
 
 //-----------------------------------------------------------------------------
 
@@ -105,12 +105,12 @@ void LLUICtrlFactory::loadWidgetTemplate(const std::string& widget_tag, LLInitPa
 	}
 }
 
-static LLFastTimer::DeclareTimer FTM_CREATE_CHILDREN("Create XUI Children");
+static LLTrace::BlockTimerStatHandle FTM_CREATE_CHILDREN("Create XUI Children");
 
 //static 
 void LLUICtrlFactory::createChildren(LLView* viewp, LLXMLNodePtr node, const widget_registry_t& registry, LLXMLNodePtr output_node)
 {
-	LLFastTimer ft(FTM_CREATE_CHILDREN);
+	LL_RECORD_BLOCK_TIME(FTM_CREATE_CHILDREN);
 	if (node.isNull()) return;
 
 	for (LLXMLNodePtr child_node = node->getFirstChild(); child_node.notNull(); child_node = child_node->getNextSibling())
@@ -131,11 +131,11 @@ void LLUICtrlFactory::createChildren(LLView* viewp, LLXMLNodePtr node, const wid
 				// for the child widget
 				// You might need to add something like:
 				// static ParentWidgetRegistry::Register<ChildWidgetType> register("child_widget_name");
-				llwarns << child_name << " is not a valid child of " << node->getName()->mString << llendl;
+				LL_WARNS() << child_name << " is not a valid child of " << node->getName()->mString << LL_ENDL;
 			}
 			else
 			{
-				llwarns << "Could not create widget named " << child_node->getName()->mString << llendl;
+				LL_WARNS() << "Could not create widget named " << child_node->getName()->mString << LL_ENDL;
 			}
 		}
 
@@ -147,14 +147,14 @@ void LLUICtrlFactory::createChildren(LLView* viewp, LLXMLNodePtr node, const wid
 
 }
 
-static LLFastTimer::DeclareTimer FTM_XML_PARSE("XML Reading/Parsing");
+static LLTrace::BlockTimerStatHandle FTM_XML_PARSE("XML Reading/Parsing");
 //-----------------------------------------------------------------------------
 // getLayeredXMLNode()
 //-----------------------------------------------------------------------------
 bool LLUICtrlFactory::getLayeredXMLNode(const std::string &xui_filename, LLXMLNodePtr& root,
                                         LLDir::ESkinConstraint constraint)
 {
-	LLFastTimer timer(FTM_XML_PARSE);
+	LL_RECORD_BLOCK_TIME(FTM_XML_PARSE);
 	std::vector<std::string> paths =
 		gDirUtilp->findSkinnedFilenames(LLDir::XUI, xui_filename, constraint);
 
@@ -179,11 +179,11 @@ S32 LLUICtrlFactory::saveToXML(LLView* viewp, const std::string& filename)
 //-----------------------------------------------------------------------------
 //-----------------------------------------------------------------------------
 
-static LLFastTimer::DeclareTimer FTM_CREATE_FROM_XML("Create child widget");
+static LLTrace::BlockTimerStatHandle FTM_CREATE_FROM_XML("Create child widget");
 
 LLView *LLUICtrlFactory::createFromXML(LLXMLNodePtr node, LLView* parent, const std::string& filename, const widget_registry_t& registry, LLXMLNodePtr output_node)
 {
-	LLFastTimer timer(FTM_CREATE_FROM_XML);
+	LL_RECORD_BLOCK_TIME(FTM_CREATE_FROM_XML);
 	std::string ctrl_type = node->getName()->mString;
 	LLStringUtil::toLower(ctrl_type);
 
diff --git a/indra/llui/lluictrlfactory.h b/indra/llui/lluictrlfactory.h
index 876bb5ef46..a5796c8af2 100755
--- a/indra/llui/lluictrlfactory.h
+++ b/indra/llui/lluictrlfactory.h
@@ -74,9 +74,9 @@ class LLWidgetNameRegistry
 //:	public LLRegistrySingleton<const std::type_info*, empty_param_block_func_t, LLDefaultParamBlockRegistry>
 //{};
 
-extern LLFastTimer::DeclareTimer FTM_WIDGET_SETUP;
-extern LLFastTimer::DeclareTimer FTM_WIDGET_CONSTRUCTION;
-extern LLFastTimer::DeclareTimer FTM_INIT_FROM_PARAMS;
+extern LLTrace::BlockTimerStatHandle FTM_WIDGET_SETUP;
+extern LLTrace::BlockTimerStatHandle FTM_WIDGET_CONSTRUCTION;
+extern LLTrace::BlockTimerStatHandle FTM_INIT_FROM_PARAMS;
 
 // Build time optimization, generate this once in .cpp file
 #ifndef LLUICTRLFACTORY_CPP
@@ -170,8 +170,8 @@ public:
 			LLXMLNodePtr root_node;
 
 			if (!LLUICtrlFactory::getLayeredXMLNode(filename, root_node))
-			{
-				llwarns << "Couldn't parse XUI file: " << instance().getCurFileName() << llendl;
+				{							
+				LL_WARNS() << "Couldn't parse XUI file: " << instance().getCurFileName() << LL_ENDL;
 				goto fail;
 			}
 
@@ -182,7 +182,7 @@ public:
 				// not of right type, so delete it
 				if (!widget) 
 				{
-					llwarns << "Widget in " << filename << " was of type " << typeid(view).name() << " instead of expected type " << typeid(T).name() << llendl;
+					LL_WARNS() << "Widget in " << filename << " was of type " << typeid(view).name() << " instead of expected type " << typeid(T).name() << LL_ENDL;
 					delete view;
 					view = NULL;
 				}
@@ -225,14 +225,14 @@ private:
 
 		if (!params.validateBlock())
 		{
-			llwarns << getInstance()->getCurFileName() << ": Invalid parameter block for " << typeid(T).name() << llendl;
+			LL_WARNS() << getInstance()->getCurFileName() << ": Invalid parameter block for " << typeid(T).name() << LL_ENDL;
 			//return NULL;
 		}
 
-		{ LLFastTimer _(FTM_WIDGET_CONSTRUCTION);
+		{ LL_RECORD_BLOCK_TIME(FTM_WIDGET_CONSTRUCTION);
 			widget = new T(params);	
 		}
-		{ LLFastTimer _(FTM_INIT_FROM_PARAMS);
+		{ LL_RECORD_BLOCK_TIME(FTM_INIT_FROM_PARAMS);
 			widget->initFromParams(params);
 		}
 
@@ -247,7 +247,7 @@ private:
 	template<typename T>
 	static T* defaultBuilder(LLXMLNodePtr node, LLView *parent, LLXMLNodePtr output_node)
 	{
-		LLFastTimer timer(FTM_WIDGET_SETUP);
+		LL_RECORD_BLOCK_TIME(FTM_WIDGET_SETUP);
 
 		typename T::Params params(getDefaultParams<T>());
 
@@ -259,10 +259,8 @@ private:
 			// We always want to output top-left coordinates
 			typename T::Params output_params(params);
 			T::setupParamsForExport(output_params, parent);
-			// Export only the differences between this any default params
-			typename T::Params default_params(getDefaultParams<T>());
 			copyName(node, output_node);
-			parser.writeXUI(output_node, output_params, &default_params);
+			parser.writeXUI(output_node, output_params, LLInitParam::default_parse_rules(), &getDefaultParams<T>());
 		}
 
 		// Apply layout transformations, usually munging rect
diff --git a/indra/llui/lluistring.cpp b/indra/llui/lluistring.cpp
index c4e073ccdb..98d0c215e6 100755
--- a/indra/llui/lluistring.cpp
+++ b/indra/llui/lluistring.cpp
@@ -26,10 +26,12 @@
 
 #include "linden_common.h"
 #include "lluistring.h"
+
+#include "llfasttimer.h"
 #include "llsd.h"
 #include "lltrans.h"
 
-LLFastTimer::DeclareTimer FTM_UI_STRING("UI String");
+LLTrace::BlockTimerStatHandle FTM_UI_STRING("UI String");
 
 
 LLUIString::LLUIString(const std::string& instring, const LLStringUtil::format_map_t& args)
@@ -54,7 +56,7 @@ void LLUIString::setArgList(const LLStringUtil::format_map_t& args)
 
 void LLUIString::setArgs(const LLSD& sd)
 {
-	LLFastTimer timer(FTM_UI_STRING);
+	LL_RECORD_BLOCK_TIME(FTM_UI_STRING);
 	
 	if (!sd.isMap()) return;
 	for(LLSD::map_const_iterator sd_it = sd.beginMap();
@@ -117,7 +119,7 @@ void LLUIString::updateResult() const
 {
 	mNeedsResult = false;
 
-	LLFastTimer timer(FTM_UI_STRING);
+	LL_RECORD_BLOCK_TIME(FTM_UI_STRING);
 	
 	// optimize for empty strings (don't attempt string replacement)
 	if (mOrig.empty())
diff --git a/indra/llui/lluistring.h b/indra/llui/lluistring.h
index cb40c85582..07e02de6d8 100755
--- a/indra/llui/lluistring.h
+++ b/indra/llui/lluistring.h
@@ -42,12 +42,12 @@
 // LLUIString mMessage("Welcome [USERNAME] to [SECONDLIFE]!");
 // mMessage.setArg("[USERNAME]", "Steve");
 // mMessage.setArg("[SECONDLIFE]", "Second Life");
-// llinfos << mMessage.getString() << llendl; // outputs "Welcome Steve to Second Life"
+// LL_INFOS() << mMessage.getString() << LL_ENDL; // outputs "Welcome Steve to Second Life"
 // mMessage.setArg("[USERNAME]", "Joe");
-// llinfos << mMessage.getString() << llendl; // outputs "Welcome Joe to Second Life"
+// LL_INFOS() << mMessage.getString() << LL_ENDL; // outputs "Welcome Joe to Second Life"
 // mMessage = "Bienvenido a la [SECONDLIFE] [USERNAME]"
 // mMessage.setArg("[SECONDLIFE]", "Segunda Vida");
-// llinfos << mMessage.getString() << llendl; // outputs "Bienvenido a la Segunda Vida Joe"
+// LL_INFOS() << mMessage.getString() << LL_ENDL; // outputs "Bienvenido a la Segunda Vida Joe"
 
 // Implementation Notes:
 // Attempting to have operator[](const std::string& s) return mArgs[s] fails because we have
diff --git a/indra/llui/llundo.cpp b/indra/llui/llundo.cpp
index 06b0514223..7c4c183a30 100755
--- a/indra/llui/llundo.cpp
+++ b/indra/llui/llundo.cpp
@@ -51,7 +51,7 @@ LLUndoBuffer::LLUndoBuffer( LLUndoAction (*create_func()), S32 initial_count )
 		mActions[i] = create_func();
 		if (!mActions[i])
 		{
-			llerrs << "Unable to create action for undo buffer" << llendl;
+			LL_ERRS() << "Unable to create action for undo buffer" << LL_ENDL;
 		}
 	}
 }
diff --git a/indra/llui/llurlentry.cpp b/indra/llui/llurlentry.cpp
index b1cc502c4b..cfdc64d2bd 100755
--- a/indra/llui/llurlentry.cpp
+++ b/indra/llui/llurlentry.cpp
@@ -789,7 +789,7 @@ std::string LLUrlEntryParcel::getLabel(const std::string &url, const LLUrlLabelC
 
 	if (path_parts < 3) // no parcel id
 	{
-		llwarns << "Failed to parse url [" << url << "]" << llendl;
+		LL_WARNS() << "Failed to parse url [" << url << "]" << LL_ENDL;
 		return url;
 	}
 
@@ -929,7 +929,7 @@ std::string LLUrlEntryRegion::getLabel(const std::string &url, const LLUrlLabelC
 
 	if (path_parts < 3) // no region name
 	{
-		llwarns << "Failed to parse url [" << url << "]" << llendl;
+		LL_WARNS() << "Failed to parse url [" << url << "]" << LL_ENDL;
 		return url;
 	}
 
diff --git a/indra/llui/llurlentry.h b/indra/llui/llurlentry.h
index 8c6c32178a..d4684e2e1e 100755
--- a/indra/llui/llurlentry.h
+++ b/indra/llui/llurlentry.h
@@ -32,6 +32,7 @@
 #include "lluicolor.h"
 #include "llstyle.h"
 
+#include "llavatarname.h"
 #include "llhost.h" // for resolving parcel name by parcel id
 
 #include <boost/signals2.hpp>
diff --git a/indra/llui/llview.cpp b/indra/llui/llview.cpp
index 20015dca1a..357948b6fe 100755
--- a/indra/llui/llview.cpp
+++ b/indra/llui/llview.cpp
@@ -30,7 +30,6 @@
 #define LLVIEW_CPP
 #include "llview.h"
 
-#include <cassert>
 #include <sstream>
 #include <boost/tokenizer.hpp>
 #include <boost/foreach.hpp>
@@ -87,6 +86,16 @@ template class LLView* LLView::getChild<class LLView>(
 
 static LLDefaultChildRegistry::Register<LLView> r("view");
 
+namespace LLInitParam
+{
+	void TypeValues<LLView::EOrientation>::declareValues()
+	{
+		declare("horizontal", LLView::HORIZONTAL);
+		declare("vertical", LLView::VERTICAL);	
+	}
+}
+
+
 LLView::Follows::Follows()
 :   string(""),
 	flags("flags", FOLLOWS_LEFT | FOLLOWS_TOP)
@@ -124,7 +133,8 @@ LLView::Params::Params()
 }
 
 LLView::LLView(const LLView::Params& p)
-:	mVisible(p.visible),
+:	LLTrace::MemTrackable<LLView>("LLView"),
+	mVisible(p.visible),
 	mInDraw(false),
 	mName(p.name),
 	mParentView(NULL),
@@ -132,7 +142,6 @@ LLView::LLView(const LLView::Params& p)
 	mFromXUI(p.from_xui),
 	mIsFocusRoot(p.focus_root),
 	mLastVisible(FALSE),
-	mNextInsertionOrdinal(0),
 	mHoverCursor(getCursorFromString(p.hover_cursor)),
 	mEnabled(p.enabled),
 	mMouseOpaque(p.mouse_opaque),
@@ -151,10 +160,10 @@ LLView::LLView(const LLView::Params& p)
 LLView::~LLView()
 {
 	dirtyRect();
-	//llinfos << "Deleting view " << mName << ":" << (void*) this << llendl;
+	//LL_INFOS() << "Deleting view " << mName << ":" << (void*) this << LL_ENDL;
 	if (LLView::sIsDrawing)
 	{
-		lldebugs << "Deleting view " << mName << " during UI draw() phase" << llendl;
+		LL_DEBUGS() << "Deleting view " << mName << " during UI draw() phase" << LL_ENDL;
 	}
 // 	llassert(LLView::sIsDrawing == FALSE);
 	
@@ -162,7 +171,7 @@ LLView::~LLView()
 	
 	if( hasMouseCapture() )
 	{
-		//llwarns << "View holding mouse capture deleted: " << getName() << ".  Mouse capture removed." << llendl;
+		//LL_WARNS() << "View holding mouse capture deleted: " << getName() << ".  Mouse capture removed." << LL_ENDL;
 		gFocusMgr.removeMouseCaptureWithoutCallback( this );
 	}
 
@@ -267,22 +276,6 @@ void LLView::sendChildToBack(LLView* child)
 	}
 }
 
-void LLView::moveChildToFrontOfTabGroup(LLUICtrl* child)
-{
-	if(mCtrlOrder.find(child) != mCtrlOrder.end())
-	{
-		mCtrlOrder[child].second = -1 * mNextInsertionOrdinal++;
-	}
-}
-
-void LLView::moveChildToBackOfTabGroup(LLUICtrl* child)
-{
-	if(mCtrlOrder.find(child) != mCtrlOrder.end())
-	{
-		mCtrlOrder[child].second = mNextInsertionOrdinal++;
-	}
-}
-
 // virtual
 bool LLView::addChild(LLView* child, S32 tab_group)
 {
@@ -290,9 +283,10 @@ bool LLView::addChild(LLView* child, S32 tab_group)
 	{
 		return false;
 	}
-	if (mParentView == child) 
+
+	if (this == child) 
 	{
-		llerrs << "Adding view " << child->getName() << " as child of itself" << llendl;
+		LL_ERRS() << "Adding view " << child->getName() << " as child of itself" << LL_ENDL;
 	}
 
 	// remove from current parent
@@ -304,14 +298,10 @@ bool LLView::addChild(LLView* child, S32 tab_group)
 	// add to front of child list, as normal
 	mChildList.push_front(child);
 
-	// add to ctrl list if is LLUICtrl
-	if (child->isCtrl())
+	// add to tab order list
+	if (tab_group != 0)
 	{
-		LLUICtrl* ctrl = static_cast<LLUICtrl*>(child);
-		mCtrlOrder.insert(tab_order_pair_t(ctrl,
-							tab_order_t(tab_group, mNextInsertionOrdinal)));
-
-		mNextInsertionOrdinal++;
+		mTabOrder.insert(tab_order_pair_t(child, tab_group));
 	}
 
 	child->mParentView = this;
@@ -342,69 +332,19 @@ void LLView::removeChild(LLView* child)
 		llassert(child->mInDraw == false);
 		mChildList.remove( child );
 		child->mParentView = NULL;
-		if (child->isCtrl())
+		child_tab_order_t::iterator found = mTabOrder.find(child);
+		if(found != mTabOrder.end())
 		{
-			child_tab_order_t::iterator found = mCtrlOrder.find(static_cast<LLUICtrl*>(child));
-			if(found != mCtrlOrder.end())
-			{
-				mCtrlOrder.erase(found);
-			}
+			mTabOrder.erase(found);
 		}
 	}
 	else
 	{
-		llwarns << "\"" << child->getName() << "\" is not a child of " << getName() << llendl;
+		LL_WARNS() << "\"" << child->getName() << "\" is not a child of " << getName() << LL_ENDL;
 	}
 	updateBoundingRect();
 }
 
-LLView::ctrl_list_t LLView::getCtrlList() const
-{
-	ctrl_list_t controls;
-	BOOST_FOREACH(LLView* viewp, mChildList)
-	{
-		if(viewp->isCtrl())
-		{
-			controls.push_back(static_cast<LLUICtrl*>(viewp));
-		}
-	}
-	return controls;
-}
-
-LLView::ctrl_list_t LLView::getCtrlListSorted() const
-{
-	ctrl_list_t controls = getCtrlList();
-	std::sort(controls.begin(), controls.end(), LLCompareByTabOrder(mCtrlOrder));
-	return controls;
-}
-
-
-// This method compares two LLViews by the tab order specified in the comparator object.  The
-// code for this is a little convoluted because each argument can have four states:
-// 1) not a control, 2) a control but not in the tab order, 3) a control in the tab order, 4) null
-bool LLCompareByTabOrder::operator() (const LLView* const a, const LLView* const b) const
-{
-	S32 a_score = 0, b_score = 0;
-	if(a) a_score--;
-	if(b) b_score--;
-	if(a && a->isCtrl()) a_score--;
-	if(b && b->isCtrl()) b_score--;
-	if(a_score == -2 && b_score == -2)
-	{
-		const LLUICtrl * const a_ctrl = static_cast<const LLUICtrl*>(a);
-		const LLUICtrl * const b_ctrl = static_cast<const LLUICtrl*>(b);
-		LLView::child_tab_order_const_iter_t a_found = mTabOrder.find(a_ctrl), b_found = mTabOrder.find(b_ctrl);
-		if(a_found != mTabOrder.end()) a_score--;
-		if(b_found != mTabOrder.end()) b_score--;
-		if(a_score == -3 && b_score == -3)
-		{
-			// whew!  Once we're in here, they're both in the tab order, and we can compare based on that
-			return compareTabOrders(a_found->second, b_found->second);
-		}
-	}
-	return (a_score == b_score) ? a < b : a_score < b_score;
-}
-
 BOOL LLView::isInVisibleChain() const
 {
 	BOOL visible = TRUE;
@@ -528,9 +468,9 @@ BOOL LLView::focusPrevRoot()
 // static
 BOOL LLView::focusNext(LLView::child_list_t & result)
 {
-	LLView::child_list_iter_t focused = result.end();
-	for(LLView::child_list_iter_t iter = result.begin();
-		iter != result.end();
+	LLView::child_list_reverse_iter_t focused = result.rend();
+	for(LLView::child_list_reverse_iter_t iter = result.rbegin();
+		iter != result.rend();
 		++iter)
 	{
 		if(gFocusMgr.childHasKeyboardFocus(*iter))
@@ -539,14 +479,14 @@ BOOL LLView::focusNext(LLView::child_list_t & result)
 			break;
 		}
 	}
-	LLView::child_list_iter_t next = focused;
-	next = (next == result.end()) ? result.begin() : ++next;
+	LLView::child_list_reverse_iter_t next = focused;
+	next = (next == result.rend()) ? result.rbegin() : ++next;
 	while(next != focused)
 	{
 		// wrap around to beginning if necessary
-		if(next == result.end())
+		if(next == result.rend())
 		{
-			next = result.begin();
+			next = result.rbegin();
 		}
 		if((*next)->isCtrl())
 		{
@@ -564,9 +504,9 @@ BOOL LLView::focusNext(LLView::child_list_t & result)
 // static
 BOOL LLView::focusPrev(LLView::child_list_t & result)
 {
-	LLView::child_list_reverse_iter_t focused = result.rend();
-	for(LLView::child_list_reverse_iter_t iter = result.rbegin();
-		iter != result.rend();
+	LLView::child_list_iter_t focused = result.end();
+	for(LLView::child_list_iter_t iter = result.begin();
+		iter != result.end();
 		++iter)
 	{
 		if(gFocusMgr.childHasKeyboardFocus(*iter))
@@ -575,14 +515,14 @@ BOOL LLView::focusPrev(LLView::child_list_t & result)
 			break;
 		}
 	}
-	LLView::child_list_reverse_iter_t next = focused;
-	next = (next == result.rend()) ? result.rbegin() : ++next;
+	LLView::child_list_iter_t next = focused;
+	next = (next == result.end()) ? result.begin() : ++next;
 	while(next != focused)
 	{
 		// wrap around to beginning if necessary
-		if(next == result.rend())
+		if(next == result.end())
 		{
-			next = result.rbegin();
+			next = result.begin();
 		}
 		if((*next)->isCtrl())
 		{
@@ -606,7 +546,7 @@ BOOL LLView::focusPrev(LLView::child_list_t & result)
 void LLView::deleteAllChildren()
 {
 	// clear out the control ordering
-	mCtrlOrder.clear();
+	mTabOrder.clear();
 
 	while (!mChildList.empty())
 	{
@@ -635,14 +575,14 @@ void LLView::setVisible(BOOL visible)
 		{
 			// tell all children of this view that the visibility may have changed
 			dirtyRect();
-			handleVisibilityChange( visible );
+			onVisibilityChange( visible );
 		}
 		updateBoundingRect();
 	}
 }
 
 // virtual
-void LLView::handleVisibilityChange ( BOOL new_visibility )
+void LLView::onVisibilityChange ( BOOL new_visibility )
 {
 	BOOL old_visibility;
 	BOOST_FOREACH(LLView* viewp, mChildList)
@@ -657,13 +597,13 @@ void LLView::handleVisibilityChange ( BOOL new_visibility )
 
 		if (old_visibility)
 		{
-			viewp->handleVisibilityChange ( new_visibility );
+			viewp->onVisibilityChange ( new_visibility );
 		}
 
 		// Consider changing returns to confirm success and know which widget grabbed it
 		// For now assume success and log at highest xui possible 
 		// NOTE we log actual state - which may differ if it somehow failed to set visibility
-		lldebugs << "LLView::handleVisibilityChange	 - now: " << getVisible()  << " xui: " << viewp->getPathname() << " name: " << viewp->getName() << llendl;
+		LL_DEBUGS() << "LLView::handleVisibilityChange	 - now: " << getVisible()  << " xui: " << viewp->getPathname() << " name: " << viewp->getName() << LL_ENDL;
 		
 	}
 }
@@ -693,12 +633,12 @@ BOOL LLView::handleHover(S32 x, S32 y, MASK mask)
 
 void LLView::onMouseEnter(S32 x, S32 y, MASK mask)
 {
-	//llinfos << "Mouse entered " << getName() << llendl;
+	//LL_INFOS() << "Mouse entered " << getName() << LL_ENDL;
 }
 
 void LLView::onMouseLeave(S32 x, S32 y, MASK mask)
 {
-	//llinfos << "Mouse left " << getName() << llendl;
+	//LL_INFOS() << "Mouse left " << getName() << LL_ENDL;
 }
 
 bool LLView::visibleAndContains(S32 local_x, S32 local_y)
@@ -734,7 +674,7 @@ LLView* LLView::childrenHandleCharEvent(const std::string& desc, const METHOD& m
 			{
 				if (LLView::sDebugKeys)
 				{
-					llinfos << desc << " handled by " << viewp->getName() << llendl;
+					LL_INFOS() << desc << " handled by " << viewp->getName() << LL_ENDL;
 				}
 				return viewp;
 			}
@@ -760,8 +700,8 @@ LLView* LLView::childrenHandleMouseEvent(const METHOD& method, S32 x, S32 y, XDA
 		if ((viewp->*method)( local_x, local_y, extra )
 			|| (allow_mouse_block && viewp->blockMouseEvent( local_x, local_y )))
 		{
-			lldebugs << "LLView::childrenHandleMouseEvent calling updatemouseeventinfo - local_x|global x  "<< local_x << " " << x	<< "local/global y " << local_y << " " << y << llendl;
-			lldebugs << "LLView::childrenHandleMouseEvent  getPathname for viewp result: " << viewp->getPathname() << "for this view: " << getPathname() << llendl;
+			LL_DEBUGS() << "LLView::childrenHandleMouseEvent calling updatemouseeventinfo - local_x|global x  "<< local_x << " " << x	<< "local/global y " << local_y << " " << y << LL_ENDL;
+			LL_DEBUGS() << "LLView::childrenHandleMouseEvent  getPathname for viewp result: " << viewp->getPathname() << "for this view: " << getPathname() << LL_ENDL;
 
 			LLViewerEventRecorder::instance().updateMouseEventInfo(x,y,-55,-55,getPathname()); 
 
@@ -938,7 +878,7 @@ BOOL LLView::handleKey(KEY key, MASK mask, BOOL called_from_parent)
 			handled = handleKeyHere( key, mask );
 			if (handled)
 			{
-				llwarns << "Key handled by " << getName() << llendl;
+				LL_WARNS() << "Key handled by " << getName() << LL_ENDL;
 			}
 		}
 	}
@@ -975,7 +915,7 @@ BOOL LLView::handleUnicodeChar(llwchar uni_char, BOOL called_from_parent)
 			handled = handleUnicodeCharHere(uni_char);
 			if (handled && LLView::sDebugKeys)
 			{
-				llinfos << "Unicode key handled by " << getName() << llendl;
+				LL_INFOS() << "Unicode key handled by " << getName() << LL_ENDL;
 			}
 		}
 	}
@@ -1157,7 +1097,7 @@ void LLView::drawChildren()
 							// Check for bogus rectangle
 							if (!getRect().isValid())
 							{
-								llwarns << "Bogus rectangle for " << getName() << " with " << mRect << llendl;
+								LL_WARNS() << "Bogus rectangle for " << getName() << " with " << mRect << LL_ENDL;
 							}
 						}
 					}
@@ -1531,11 +1471,11 @@ LLView* LLView::getChildView(const std::string& name, BOOL recurse) const
 	return getChild<LLView>(name, recurse);
 }
 
-static LLFastTimer::DeclareTimer FTM_FIND_VIEWS("Find Widgets");
+static LLTrace::BlockTimerStatHandle FTM_FIND_VIEWS("Find Widgets");
 
 LLView* LLView::findChildView(const std::string& name, BOOL recurse) const
 {
-	LLFastTimer ft(FTM_FIND_VIEWS);
+	LL_RECORD_BLOCK_TIME(FTM_FIND_VIEWS);
 	//richard: should we allow empty names?
 	//if(name.empty())
 	//	return NULL;
@@ -1850,15 +1790,63 @@ BOOL LLView::localRectToOtherView( const LLRect& local, LLRect* other, const LLV
 	return FALSE;
 }
 
+
+class CompareByTabOrder
+{
+public:
+	CompareByTabOrder(const LLView::child_tab_order_t& order, S32 default_tab_group = 0) 
+		:	mTabOrder(order),
+		mDefaultTabGroup(default_tab_group)
+	{}
+	virtual ~CompareByTabOrder() {}
+
+	// This method compares two LLViews by the tab order specified in the comparator object.  The
+	// code for this is a little convoluted because each argument can have four states:
+	// 1) not a control, 2) a control but not in the tab order, 3) a control in the tab order, 4) null
+	bool operator() (const LLView* const a, const LLView* const b) const
+	{
+		S32 a_group = 0, b_group = 0;
+		if(!a) return false;
+		if(!b) return true;
+
+		LLView::child_tab_order_const_iter_t a_found = mTabOrder.find(a), b_found = mTabOrder.find(b);
+		if(a_found != mTabOrder.end())
+		{
+			a_group = a_found->second;
+		}
+		if(b_found != mTabOrder.end())
+		{
+			b_group = b_found->second;
+		}
+
+		if(a_group < mDefaultTabGroup && b_group >= mDefaultTabGroup) return true;
+		if(b_group < mDefaultTabGroup && a_group >= mDefaultTabGroup) return false;
+		return a_group > b_group;  // sort correctly if they're both on the same side of the default tab groupreturn a > b; 
+	}
+private:
+	// ok to store a reference, as this should only be allocated on stack during view query operations
+	const LLView::child_tab_order_t& mTabOrder;
+	const S32 mDefaultTabGroup;
+};
+
+class SortByTabOrder : public LLQuerySorter, public LLSingleton<SortByTabOrder>
+{
+	/*virtual*/ void sort(LLView * parent, LLView::child_list_t &children) const 
+	{
+		children.sort(CompareByTabOrder(parent->getTabOrder(), parent->getDefaultTabGroup()));
+	}
+};
+
 // static
-const LLCtrlQuery & LLView::getTabOrderQuery()
+const LLViewQuery & LLView::getTabOrderQuery()
 {
-	static LLCtrlQuery query;
+	static LLViewQuery query;
 	if(query.getPreFilters().size() == 0) {
 		query.addPreFilter(LLVisibleFilter::getInstance());
 		query.addPreFilter(LLEnabledFilter::getInstance());
 		query.addPreFilter(LLTabStopFilter::getInstance());
 		query.addPostFilter(LLLeavesFilter::getInstance());
+		query.setSorter(SortByTabOrder::getInstance());
 	}
 	return query;
 }
@@ -1873,9 +1861,9 @@ class LLFocusRootsFilter : public LLQueryFilter, public LLSingleton<LLFocusRoots
 };
 
 // static
-const LLCtrlQuery & LLView::getFocusRootsQuery()
+const LLViewQuery & LLView::getFocusRootsQuery()
 {
-	static LLCtrlQuery query;
+	static LLViewQuery query;
 	if(query.getPreFilters().size() == 0) {
 		query.addPreFilter(LLVisibleFilter::getInstance());
 		query.addPreFilter(LLEnabledFilter::getInstance());
@@ -2027,7 +2015,7 @@ LLView*	LLView::findSnapEdge(S32& new_edge_val, const LLCoordGL& mouse_dir, ESna
 			}
 			break;
 		default:
-			llerrs << "Invalid snap edge" << llendl;
+			LL_ERRS() << "Invalid snap edge" << LL_ENDL;
 		}
 	}
 
@@ -2129,7 +2117,7 @@ LLView*	LLView::findSnapEdge(S32& new_edge_val, const LLCoordGL& mouse_dir, ESna
 				}
 				break;
 			default:
-				llerrs << "Invalid snap edge" << llendl;
+				LL_ERRS() << "Invalid snap edge" << LL_ENDL;
 			}
 		}
 	}
@@ -2456,7 +2444,7 @@ static S32 invert_vertical(S32 y, LLView* parent)
 	}
 	else
 	{
-		llwarns << "Attempting to convert layout to top-left with no parent" << llendl;
+		LL_WARNS() << "Attempting to convert layout to top-left with no parent" << LL_ENDL;
 		return y;
 	}
 }
diff --git a/indra/llui/llview.h b/indra/llui/llview.h
index 15b85a6418..7861c8f729 100755
--- a/indra/llui/llview.h
+++ b/indra/llui/llview.h
@@ -42,7 +42,6 @@
 #include "llui.h"
 #include "lluistring.h"
 #include "llviewquery.h"
-#include "stdenums.h"
 #include "lluistring.h"
 #include "llcursortypes.h"
 #include "lluictrlfactory.h"
@@ -67,6 +66,7 @@ const BOOL	NOT_MOUSE_OPAQUE = FALSE;
 
 const U32 GL_NAME_UI_RESERVED = 2;
 
+
 // maintains render state during traversal of UI tree
 class LLViewDrawContext
 {
@@ -100,9 +100,13 @@ class LLView
 :	public LLMouseHandler,			// handles mouse events
 	public LLFocusableElement,		// handles keyboard events
 	public LLMortician,				// lazy deletion
-	public LLHandleProvider<LLView>	// passes out weak references to self
+	public LLHandleProvider<LLView>,     // passes out weak references to self
+	public LLTrace::MemTrackable<LLView> // track memory usage
 {
 public:
+
+	enum EOrientation { HORIZONTAL, VERTICAL, ORIENTATION_COUNT };
+
 	struct Follows : public LLInitParam::ChoiceBlock<Follows>
 	{
 		Alternative<std::string>	string;
@@ -163,7 +167,7 @@ protected:
 
 private:
 	// widgets in general are not copyable
-	LLView(const LLView& other) {};
+	LLView(const LLView& other);
 public:
 //#if LL_DEBUG
 	static BOOL sIsDrawing;
@@ -196,12 +200,9 @@ public:
 	typedef child_list_t::reverse_iterator 			child_list_reverse_iter_t;
 	typedef child_list_t::const_reverse_iterator 	child_list_const_reverse_iter_t;
 
-	typedef std::vector<class LLUICtrl *>				ctrl_list_t;
-
-	typedef std::pair<S32, S32>							tab_order_t;
-	typedef std::pair<LLUICtrl *, tab_order_t>			tab_order_pair_t;
+	typedef std::pair<LLView *, S32>				tab_order_pair_t;
 	// this structure primarily sorts by the tab group, secondarily by the insertion ordinal (lastly by the value of the pointer)
-	typedef std::map<const LLUICtrl*, tab_order_t>		child_tab_order_t;
+	typedef std::map<const LLView*, S32>		child_tab_order_t;
 	typedef child_tab_order_t::iterator					child_tab_order_iter_t;
 	typedef child_tab_order_t::const_iterator			child_tab_order_const_iter_t;
 	typedef child_tab_order_t::reverse_iterator			child_tab_order_reverse_iter_t;
@@ -247,8 +248,6 @@ public:
 
 	void		sendChildToFront(LLView* child);
 	void		sendChildToBack(LLView* child);
-	void		moveChildToFrontOfTabGroup(LLUICtrl* child);
-	void		moveChildToBackOfTabGroup(LLUICtrl* child);
 	
 	virtual bool addChild(LLView* view, S32 tab_group = 0);
 
@@ -260,9 +259,7 @@ public:
 
 	virtual BOOL	postBuild() { return TRUE; }
 
-	const child_tab_order_t& getCtrlOrder() const		{ return mCtrlOrder; }
-	ctrl_list_t getCtrlList() const;
-	ctrl_list_t getCtrlListSorted() const;
+	const child_tab_order_t& getTabOrder() const		{ return mTabOrder; }
 	
 	void setDefaultTabGroup(S32 d)				{ mDefaultTabGroup = d; }
 	S32 getDefaultTabGroup() const				{ return mDefaultTabGroup; }
@@ -303,7 +300,7 @@ public:
 
 	virtual BOOL	setLabelArg( const std::string& key, const LLStringExplicit& text );
 
-	virtual void	handleVisibilityChange ( BOOL new_visibility );
+	virtual void	onVisibilityChange ( BOOL new_visibility );
 
 	void			pushVisible(BOOL visible)	{ mLastVisible = mVisible; setVisible(visible); }
 	void			popVisible()				{ setVisible(mLastVisible); }
@@ -496,9 +493,9 @@ public:
 	static	BOOL focusPrev(LLView::child_list_t & result);
 
 	// returns query for iterating over controls in tab order	
-	static const LLCtrlQuery & getTabOrderQuery();
+	static const LLViewQuery & getTabOrderQuery();
 	// return query for iterating over focus roots in tab order
-	static const LLCtrlQuery & getFocusRootsQuery();
+	static const LLViewQuery & getFocusRootsQuery();
 
 	static LLWindow*	getWindow(void) { return LLUI::sWindow; }
 
@@ -592,7 +589,7 @@ private:
 	
 	U32			mReshapeFlags;
 
-	child_tab_order_t mCtrlOrder;
+	child_tab_order_t mTabOrder;
 	S32			mDefaultTabGroup;
 	S32			mLastTabGroup;
 
@@ -609,8 +606,6 @@ private:
 
 	BOOL		mLastVisible;
 
-	S32			mNextInsertionOrdinal;
-
 	bool		mInDraw;
 
 	static LLWindow* sWindow;	// All root views must know about their window.
@@ -673,17 +668,14 @@ public:
 	static BOOL sForceReshape;
 };
 
-class LLCompareByTabOrder
+namespace LLInitParam
 {
-public:
-	LLCompareByTabOrder(const LLView::child_tab_order_t& order) : mTabOrder(order) {}
-	virtual ~LLCompareByTabOrder() {}
-	bool operator() (const LLView* const a, const LLView* const b) const;
-private:
-	virtual bool compareTabOrders(const LLView::tab_order_t & a, const LLView::tab_order_t & b) const { return a < b; }
-	// ok to store a reference, as this should only be allocated on stack during view query operations
-	const LLView::child_tab_order_t& mTabOrder;
+template<>
+struct TypeValues<LLView::EOrientation> : public LLInitParam::TypeValuesHelper<LLView::EOrientation>
+{
+	static void declareValues();
 };
+}
 
 template <class T> T* LLView::getChild(const std::string& name, BOOL recurse) const
 {
@@ -694,7 +686,7 @@ template <class T> T* LLView::getChild(const std::string& name, BOOL recurse) co
 		// did we find *something* with that name?
 		if (child)
 		{
-			llwarns << "Found child named \"" << name << "\" but of wrong type " << typeid(*child).name() << ", expecting " << typeid(T*).name() << llendl;
+			LL_WARNS() << "Found child named \"" << name << "\" but of wrong type " << typeid(*child).name() << ", expecting " << typeid(T*).name() << LL_ENDL;
 		}
 		result = getDefaultWidget<T>(name);
 		if (!result)
@@ -706,11 +698,11 @@ template <class T> T* LLView::getChild(const std::string& name, BOOL recurse) co
 				// *NOTE: You cannot call mFoo = getChild<LLFoo>("bar")
 				// in a floater or panel constructor.  The widgets will not
 				// be ready.  Instead, put it in postBuild().
-				llwarns << "Making dummy " << typeid(T).name() << " named \"" << name << "\" in " << getName() << llendl;
+				LL_WARNS() << "Making dummy " << typeid(T).name() << " named \"" << name << "\" in " << getName() << LL_ENDL;
 			}
 			else
 			{
-				llwarns << "Failed to create dummy " << typeid(T).name() << llendl;
+				LL_WARNS() << "Failed to create dummy " << typeid(T).name() << LL_ENDL;
 				return NULL;
 			}
 
diff --git a/indra/llui/llviewereventrecorder.cpp b/indra/llui/llviewereventrecorder.cpp
index a352f621eb..556b45a9ba 100644
--- a/indra/llui/llviewereventrecorder.cpp
+++ b/indra/llui/llviewereventrecorder.cpp
@@ -53,14 +53,14 @@ void LLViewerEventRecorder::setEventLoggingOn() {
     mLog.open(mLogFilename, llofstream::out);
   }
   logEvents=true; 
-  lldebugs << "LLViewerEventRecorder::setEventLoggingOn event logging turned on" << llendl;
+  LL_DEBUGS() << "LLViewerEventRecorder::setEventLoggingOn event logging turned on" << LL_ENDL;
 }
 
 void LLViewerEventRecorder::setEventLoggingOff() {
   logEvents=false;
   mLog.flush();
   mLog.close();
-  lldebugs << "LLViewerEventRecorder::setEventLoggingOff event logging turned off" << llendl;
+  LL_DEBUGS() << "LLViewerEventRecorder::setEventLoggingOff event logging turned off" << LL_ENDL;
 }
 
 
@@ -101,10 +101,10 @@ void LLViewerEventRecorder::updateMouseEventInfo(S32 local_x, S32 local_y, S32 g
 
   LLView * target_view = LLUI::resolvePath(LLUI::getRootView(), xui);
   if (! target_view) {
-    lldebugs << "LLViewerEventRecorder::updateMouseEventInfo - xui path on file at moment is NOT valid - so DO NOT record these local coords" << llendl;
+    LL_DEBUGS() << "LLViewerEventRecorder::updateMouseEventInfo - xui path on file at moment is NOT valid - so DO NOT record these local coords" << LL_ENDL;
     return;
   }
-  lldebugs << "LLViewerEventRecorder::updateMouseEventInfo b4 updatemouseeventinfo - local_x|global x   "<< this->local_x << " " << this->global_x  << "local/global y " << this->local_y << " " << this->global_y << " mname: " << mName << " xui: " << xui << llendl;
+  LL_DEBUGS() << "LLViewerEventRecorder::updateMouseEventInfo b4 updatemouseeventinfo - local_x|global x   "<< this->local_x << " " << this->global_x  << "local/global y " << this->local_y << " " << this->global_y << " mname: " << mName << " xui: " << xui << LL_ENDL;
 
 
   if (this->local_x < 1 && this->local_y<1 && local_x && local_y) {
@@ -121,7 +121,7 @@ void LLViewerEventRecorder::updateMouseEventInfo(S32 local_x, S32 local_y, S32 g
     xui = mName; // TODO review confirm we never call with partial path - also cAN REMOVE CHECK FOR "" - ON OTHER HAND IT'S PRETTY HARMLESS
   }
 
-  lldebugs << "LLViewerEventRecorder::updateMouseEventInfo after updatemouseeventinfo - local_x|global x   "<< this->local_x << " " << this->global_x  << "local/global y " << this->local_y << " " << this->global_y << " mname: " << mName << " xui: " << xui << llendl;
+  LL_DEBUGS() << "LLViewerEventRecorder::updateMouseEventInfo after updatemouseeventinfo - local_x|global x   "<< this->local_x << " " << this->global_x  << "local/global y " << this->local_y << " " << this->global_y << " mname: " << mName << " xui: " << xui << LL_ENDL;
 }
 
 void LLViewerEventRecorder::logVisibilityChange(std::string xui, std::string name, BOOL visibility, std::string event_subtype) {
@@ -158,10 +158,10 @@ std::string LLViewerEventRecorder::get_xui() {
 }
 void LLViewerEventRecorder::update_xui(std::string xui) {
   if (xui!="" && this->xui=="" ) {
-    lldebugs << "LLViewerEventRecorder::update_xui to " << xui << llendl;
+    LL_DEBUGS() << "LLViewerEventRecorder::update_xui to " << xui << LL_ENDL;
     this->xui=xui;
   } else {
-    lldebugs << "LLViewerEventRecorder::update_xui called with empty string" << llendl;
+    LL_DEBUGS() << "LLViewerEventRecorder::update_xui called with empty string" << LL_ENDL;
   }
 }
 
@@ -200,11 +200,11 @@ void LLViewerEventRecorder::logKeyEvent(KEY key, MASK mask) {
   // (maybe it should) - instead it has a convenience method that generates the keydown and keyup events 
   // Here  we will use  "type" as  our event type
 
-  lldebugs << "LLVIewerEventRecorder::logKeyEvent Serialized LLSD for event " << event.asString() << "\n" << llendl;
+  LL_DEBUGS() << "LLVIewerEventRecorder::logKeyEvent Serialized LLSD for event " << event.asString() << "\n" << LL_ENDL;
 
 
-  //lldebugs  << "[VITA] key_name: "  << LLKeyboard::stringFromKey(key) << "mask: "<< mask  << "handled by " << getName() << llendl;
-  lldebugs  << "LLVIewerEventRecorder::logKeyEvent  key_name: "  << LLKeyboard::stringFromKey(key) << "mask: "<< mask  << llendl;
+  //LL_DEBUGS()  << "[VITA] key_name: "  << LLKeyboard::stringFromKey(key) << "mask: "<< mask  << "handled by " << getName() << LL_ENDL;
+  LL_DEBUGS()  << "LLVIewerEventRecorder::logKeyEvent  key_name: "  << LLKeyboard::stringFromKey(key) << "mask: "<< mask  << LL_ENDL;
 
 
   recordEvent(event);
@@ -218,14 +218,14 @@ void LLViewerEventRecorder::playbackRecording() {
   // ivita sets this on startup, it also sends commands to the viewer to make start, stop, and playback menu items visible in viewer
   LeapCommand =LLUI::sSettingGroups["config"]->getLLSD("LeapPlaybackEventsCommand");
   
-  lldebugs << "[VITA] launching playback - leap command is: " << LLSDXMLStreamer(LeapCommand) << llendl;
+  LL_DEBUGS() << "[VITA] launching playback - leap command is: " << LLSDXMLStreamer(LeapCommand) << LL_ENDL;
   LLLeap::create("", LeapCommand, false); // exception=false
   
 }
 
 
 void LLViewerEventRecorder::recordEvent(LLSD event) {
-  lldebugs << "LLViewerEventRecorder::recordEvent event written to log: " << LLSDXMLStreamer(event) << llendl;
+  LL_DEBUGS() << "LLViewerEventRecorder::recordEvent event written to log: " << LLSDXMLStreamer(event) << LL_ENDL;
   mLog << event << std::endl;
   
 }
@@ -243,7 +243,7 @@ void LLViewerEventRecorder::logKeyUnicodeEvent(llwchar uni_char) {
   // keycode...or
   // char
 
-  lldebugs << "Wrapped in conversion to wstring " <<  wstring_to_utf8str(LLWString( 1, uni_char)) << "\n" << llendl;
+  LL_DEBUGS() << "Wrapped in conversion to wstring " <<  wstring_to_utf8str(LLWString( 1, uni_char)) << "\n" << LL_ENDL;
   
   event.insert("char",
 	       LLSD(  wstring_to_utf8str(LLWString( 1,uni_char))  )
@@ -257,8 +257,8 @@ void LLViewerEventRecorder::logKeyUnicodeEvent(llwchar uni_char) {
 
   event.insert("event",LLSD("keyDown")); 
 
-  lldebugs  << "[VITA] unicode key: " << uni_char   << llendl;
-  lldebugs  << "[VITA] dumpxml " << LLSDXMLStreamer(event) << "\n" << llendl;
+  LL_DEBUGS()  << "[VITA] unicode key: " << uni_char   << LL_ENDL;
+  LL_DEBUGS()  << "[VITA] dumpxml " << LLSDXMLStreamer(event) << "\n" << LL_ENDL;
 
 
   recordEvent(event);
diff --git a/indra/llui/llviewmodel.cpp b/indra/llui/llviewmodel.cpp
index a9f8acc440..282addf692 100755
--- a/indra/llui/llviewmodel.cpp
+++ b/indra/llui/llviewmodel.cpp
@@ -37,13 +37,15 @@
 
 ///
 LLViewModel::LLViewModel()
- : mDirty(false)
+:	LLTrace::MemTrackable<LLViewModel>("LLViewModel"),
+	mDirty(false)
 {
 }
 
 /// Instantiate an LLViewModel with an existing data value
 LLViewModel::LLViewModel(const LLSD& value)
-  : mDirty(false)
+:	LLTrace::MemTrackable<LLViewModel>("LLViewModel"),
+	mDirty(false)
 {
     setValue(value);
 }
@@ -79,8 +81,16 @@ LLTextViewModel::LLTextViewModel(const LLSD& value)
 /// Update the stored value
 void LLTextViewModel::setValue(const LLSD& value)
 {
+	// approximate LLSD storage usage
+	disclaimMem(mDisplay.size());
 	LLViewModel::setValue(value);
+	disclaimMem(mDisplay);
     mDisplay = utf8str_to_wstring(value.asString());
+
+	claimMem(mDisplay);
+	// approximate LLSD storage usage
+	claimMem(mDisplay.size());
+
     // mDisplay and mValue agree
     mUpdateFromDisplay = false;
 }
@@ -91,7 +101,11 @@ void LLTextViewModel::setDisplay(const LLWString& value)
     // and do the utf8str_to_wstring() to get the corresponding mDisplay
     // value. But a text editor might want to edit the display string
     // directly, then convert back to UTF8 on commit.
+	disclaimMem(mDisplay.size());
+	disclaimMem(mDisplay);
     mDisplay = value;
+	claimMem(mDisplay);
+	claimMem(mDisplay.size());
     mDirty = true;
     // Don't immediately convert to UTF8 -- do it lazily -- we expect many
     // more setDisplay() calls than getValue() calls. Just flag that it needs
diff --git a/indra/llui/llviewmodel.h b/indra/llui/llviewmodel.h
index ef2e314799..49d7c322a3 100755
--- a/indra/llui/llviewmodel.h
+++ b/indra/llui/llviewmodel.h
@@ -37,8 +37,9 @@
 #include "llpointer.h"
 #include "llsd.h"
 #include "llrefcount.h"
-#include "stdenums.h"
 #include "llstring.h"
+#include "lltrace.h"
+#include "llui.h"
 #include <string>
 
 class LLScrollListItem;
@@ -60,7 +61,9 @@ typedef LLPointer<LLListViewModel> LLListViewModelPtr;
  * LLViewModel data. This way, the LLViewModel is quietly deleted when the
  * last referencing widget is destroyed.
  */
-class LLViewModel: public LLRefCount
+class LLViewModel 
+:	public LLRefCount,
+	public LLTrace::MemTrackable<LLViewModel>
 {
 public:
     LLViewModel();
diff --git a/indra/llui/llviewquery.cpp b/indra/llui/llviewquery.cpp
index d0b78ba186..66262609ae 100755
--- a/indra/llui/llviewquery.cpp
+++ b/indra/llui/llviewquery.cpp
@@ -30,7 +30,7 @@
 #include "lluictrl.h"
 #include "llviewquery.h"
 
-void LLQuerySorter::operator() (LLView * parent, viewList_t &children) const {}
+void LLQuerySorter::sort(LLView * parent, viewList_t &children) const {}
 
 filterResult_t LLLeavesFilter::operator() (const LLView* const view, const viewList_t & children) const 
 {
@@ -89,8 +89,8 @@ viewList_t LLViewQuery::run(LLView* view) const
 		if (pre.first)
 		{
 			post = runFilters(view, filtered_children, mPostFilters);
-			}
 		}
+	}
 
 	if(pre.first && post.first) 
 	{
@@ -105,12 +105,12 @@ viewList_t LLViewQuery::run(LLView* view) const
 	return result;
 }
 
-void LLViewQuery::filterChildren(LLView * view, viewList_t & filtered_children) const
+void LLViewQuery::filterChildren(LLView* parent_view, viewList_t & filtered_children) const
 {
-	LLView::child_list_t views(*(view->getChildList()));
+	LLView::child_list_t views(*(parent_view->getChildList()));
 	if (mSorterp)
 	{
-		(*mSorterp)(view, views); // sort the children per the sorter
+		mSorterp->sort(parent_view, views); // sort the children per the sorter
 	}
 	for(LLView::child_list_iter_t iter = views.begin();
 		iter != views.end();
@@ -134,18 +134,3 @@ filterResult_t LLViewQuery::runFilters(LLView * view, const viewList_t children,
 	}
 	return result;
 }
-
-class SortByTabOrder : public LLQuerySorter, public LLSingleton<SortByTabOrder>
-{
-	/*virtual*/ void operator() (LLView * parent, LLView::child_list_t &children) const 
-	{
-		children.sort(LLCompareByTabOrder(parent->getCtrlOrder()));
-	}
-};
-
-LLCtrlQuery::LLCtrlQuery() : 
-	LLViewQuery()
-{
-	setSorter(SortByTabOrder::getInstance());
-}
-
diff --git a/indra/llui/llviewquery.h b/indra/llui/llviewquery.h
index 210f95162a..9044c4ff29 100755
--- a/indra/llui/llviewquery.h
+++ b/indra/llui/llviewquery.h
@@ -49,7 +49,7 @@ class LLQuerySorter
 {
 public:
 	virtual ~LLQuerySorter() {};
-	virtual void operator() (LLView * parent, viewList_t &children) const;
+	virtual void sort(LLView * parent, viewList_t &children) const;
 };
 
 class LLLeavesFilter : public LLQueryFilter, public LLSingleton<LLLeavesFilter>
@@ -127,10 +127,5 @@ private:
 	const LLQuerySorter* mSorterp;
 };
 
-class LLCtrlQuery : public LLViewQuery
-{
-public:
-	LLCtrlQuery();
-};
 
 #endif // LL_LLVIEWQUERY_H
diff --git a/indra/llui/llxuiparser.cpp b/indra/llui/llxuiparser.cpp
index 6322da9123..4390ca83e9 100755
--- a/indra/llui/llxuiparser.cpp
+++ b/indra/llui/llxuiparser.cpp
@@ -29,7 +29,7 @@
 #include "llxuiparser.h"
 
 #include "llxmlnode.h"
-
+#include "llfasttimer.h"
 #ifdef LL_STANDALONE
 #include <expat.h>
 #else
@@ -38,6 +38,7 @@
 
 #include <fstream>
 #include <boost/tokenizer.hpp>
+#include <boost/bind.hpp>
 //#include <boost/spirit/include/qi.hpp>
 #include <boost/spirit/include/classic_core.hpp>
 
@@ -334,6 +335,8 @@ LLXSDWriter::LLXSDWriter()
 	registerInspectFunc<LLSD>(boost::bind(&LLXSDWriter::writeAttribute, this, "xs:string", _1, _2, _3, _4));
 }
 
+LLXSDWriter::~LLXSDWriter() {}
+
 void LLXSDWriter::writeXSD(const std::string& type_name, LLXMLNodePtr node, const LLInitParam::BaseBlock& block, const std::string& xml_namespace)
 {
 	Schema schema(xml_namespace);
@@ -674,12 +677,12 @@ LLXUIParser::LLXUIParser()
 	}
 }
 
-static LLFastTimer::DeclareTimer FTM_PARSE_XUI("XUI Parsing");
+static LLTrace::BlockTimerStatHandle FTM_PARSE_XUI("XUI Parsing");
 const LLXMLNodePtr DUMMY_NODE = new LLXMLNode();
 
 void LLXUIParser::readXUI(LLXMLNodePtr node, LLInitParam::BaseBlock& block, const std::string& filename, bool silent)
 {
-	LLFastTimer timer(FTM_PARSE_XUI);
+	LL_RECORD_BLOCK_TIME(FTM_PARSE_XUI);
 	mNameStack.clear();
 	mRootNodeName = node->getName()->mString;
 	mCurFileName = filename;
@@ -858,11 +861,11 @@ bool LLXUIParser::readAttributes(LLXMLNodePtr nodep, LLInitParam::BaseBlock& blo
 	return any_parsed;
 }
 
-void LLXUIParser::writeXUI(LLXMLNodePtr node, const LLInitParam::BaseBlock &block, const LLInitParam::BaseBlock* diff_block)
+void LLXUIParser::writeXUIImpl(LLXMLNodePtr node, const LLInitParam::BaseBlock &block, const LLInitParam::predicate_rule_t rules, const LLInitParam::BaseBlock* diff_block)
 {
 	mWriteRootNode = node;
 	name_stack_t name_stack = Parser::name_stack_t();
-	block.serializeBlock(*this, name_stack, diff_block);
+	block.serializeBlock(*this, name_stack, rules, diff_block);
 	mOutNodes.clear();
 }
 
@@ -1310,7 +1313,7 @@ void LLXUIParser::parserWarning(const std::string& message)
 {
 #ifdef LL_WINDOWS
 	// use Visual Studio friendly formatting of output message for easy access to originating xml
-	LL_WINDOWS_OUTPUT_DEBUG(llformat("%s(%d):\t%s", mCurFileName.c_str(), mCurReadNode->getLineNumber(), message.c_str()));
+	LL_INFOS() << llformat("%s(%d):\t%s", mCurFileName.c_str(), mCurReadNode->getLineNumber(), message.c_str()) << LL_ENDL;
 #else
 	Parser::parserWarning(message);
 #endif
@@ -1319,8 +1322,8 @@ void LLXUIParser::parserWarning(const std::string& message)
 void LLXUIParser::parserError(const std::string& message)
 {
 #ifdef LL_WINDOWS
-        // use Visual Studio friendly formatting of output message for easy access to originating xml
-	LL_WINDOWS_OUTPUT_DEBUG(llformat("%s(%d):\t%s", mCurFileName.c_str(), mCurReadNode->getLineNumber(), message.c_str()));
+    // use Visual Studio friendly formatting of output message for easy access to originating xml
+	LL_INFOS() << llformat("%s(%d):\t%s", mCurFileName.c_str(), mCurReadNode->getLineNumber(), message.c_str()) << LL_ENDL;
 #else
 	Parser::parserError(message);
 #endif
@@ -1391,7 +1394,7 @@ LLSimpleXUIParser::~LLSimpleXUIParser()
 
 bool LLSimpleXUIParser::readXUI(const std::string& filename, LLInitParam::BaseBlock& block, bool silent)
 {
-	LLFastTimer timer(FTM_PARSE_XUI);
+	LL_RECORD_BLOCK_TIME(FTM_PARSE_XUI);
 
 	mParser = XML_ParserCreate(NULL);
 	XML_SetUserData(mParser, this);
@@ -1638,7 +1641,7 @@ void LLSimpleXUIParser::parserWarning(const std::string& message)
 {
 #ifdef LL_WINDOWS
 	// use Visual Studio friendly formatting of output message for easy access to originating xml
-	LL_WINDOWS_OUTPUT_DEBUG(llformat("%s(%d):\t%s", mCurFileName.c_str(), LINE_NUMBER_HERE, message.c_str()));
+	LL_INFOS() << llformat("%s(%d):\t%s", mCurFileName.c_str(), LINE_NUMBER_HERE, message.c_str()) << LL_ENDL;
 #else
 	Parser::parserWarning(message);
 #endif
@@ -1648,7 +1651,7 @@ void LLSimpleXUIParser::parserError(const std::string& message)
 {
 #ifdef LL_WINDOWS
         // use Visual Studio friendly formatting of output message for easy access to originating xml
-	LL_WINDOWS_OUTPUT_DEBUG(llformat("%s(%d):\t%s", mCurFileName.c_str(), LINE_NUMBER_HERE, message.c_str()));
+	LL_INFOS() << llformat("%s(%d):\t%s", mCurFileName.c_str(), LINE_NUMBER_HERE, message.c_str()) << LL_ENDL;
 #else
 	Parser::parserError(message);
 #endif
diff --git a/indra/llui/llxuiparser.h b/indra/llui/llxuiparser.h
index e48663e5cc..ad2a39cab7 100755
--- a/indra/llui/llxuiparser.h
+++ b/indra/llui/llxuiparser.h
@@ -29,21 +29,15 @@
 
 #include "llinitparam.h"
 #include "llregistry.h"
-#include "llpointer.h"
+#include "llxmlnode.h"
 
 #include <boost/function.hpp>
 #include <iosfwd>
 #include <stack>
 #include <set>
 
-
-
 class LLView;
 
-
-typedef LLPointer<class LLXMLNode> LLXMLNodePtr;
-
-
 // lookup widget type by name
 class LLWidgetTypeRegistry
 :	public LLRegistrySingleton<std::string, const std::type_info*, LLWidgetTypeRegistry>
@@ -59,8 +53,6 @@ class LLChildRegistryRegistry
 : public LLRegistrySingleton<const std::type_info*, widget_registry_t, LLChildRegistryRegistry>
 {};
 
-
-
 class LLXSDWriter : public LLInitParam::Parser
 {
 	LOG_CLASS(LLXSDWriter);
@@ -70,6 +62,7 @@ public:
 	/*virtual*/ std::string getCurrentElementName() { return LLStringUtil::null; }
 
 	LLXSDWriter();
+	~LLXSDWriter();
 
 protected:
 	void writeAttribute(const std::string& type, const Parser::name_stack_t&, S32 min_count, S32 max_count, const std::vector<std::string>* possible_values);
@@ -109,9 +102,26 @@ public:
 	/*virtual*/ void parserError(const std::string& message);
 
 	void readXUI(LLXMLNodePtr node, LLInitParam::BaseBlock& block, const std::string& filename = LLStringUtil::null, bool silent=false);
-	void writeXUI(LLXMLNodePtr node, const LLInitParam::BaseBlock& block, const LLInitParam::BaseBlock* diff_block = NULL);
+	template<typename BLOCK>
+	void writeXUI(LLXMLNodePtr node, 
+				const BLOCK& block, 
+				const LLInitParam::predicate_rule_t rules = LLInitParam::default_parse_rules(),
+				const LLInitParam::BaseBlock* diff_block = NULL)
+	{
+		if (!diff_block 
+			&& !rules.isAmbivalent(LLInitParam::HAS_DEFAULT_VALUE))
+		{
+			diff_block = &LLInitParam::defaultValue<BLOCK>();
+		}
+		writeXUIImpl(node, block, rules, diff_block);
+	}
 
 private:
+	LLXUIParser(const LLXUIParser& other); // no-copy
+	void writeXUIImpl(LLXMLNodePtr node, 
+		const LLInitParam::BaseBlock& block, 
+		const LLInitParam::predicate_rule_t rules, 
+		const LLInitParam::BaseBlock* diff_block);
 	bool readXUIImpl(LLXMLNodePtr node, LLInitParam::BaseBlock& block);
 	bool readAttributes(LLXMLNodePtr nodep, LLInitParam::BaseBlock& block);