merge changes for STORM-1131

57 files changed, 2128 insertions, 510 deletions

diff --git a/indra/llui/CMakeLists.txt b/indra/llui/CMakeLists.txt
index e98201ea63..33ab2e93b5 100644
--- a/indra/llui/CMakeLists.txt
+++ b/indra/llui/CMakeLists.txt
@@ -111,6 +111,7 @@ set(llui_SOURCE_FILES
     llviewmodel.cpp
     llview.cpp
     llviewquery.cpp
+    llwindowshade.cpp
     )
     
 set(llui_HEADER_FILES
@@ -159,6 +160,7 @@ set(llui_HEADER_FILES
     llnotificationslistener.h
     llnotificationsutil.h
     llnotificationtemplate.h
+	llnotificationvisibilityrule.h
     llpanel.h
     llprogressbar.h
     llradiogroup.h
@@ -209,6 +211,7 @@ set(llui_HEADER_FILES
     llviewmodel.h
     llview.h
     llviewquery.h
+    llwindowshade.h
     )
 
 set_source_files_properties(${llui_HEADER_FILES}
diff --git a/indra/llui/llaccordionctrltab.cpp b/indra/llui/llaccordionctrltab.cpp
index 179b32098a..9e4849c58b 100644
--- a/indra/llui/llaccordionctrltab.cpp
+++ b/indra/llui/llaccordionctrltab.cpp
@@ -203,7 +203,8 @@ void LLAccordionCtrlTab::LLAccordionCtrlTabHeader::draw()
 	S32 width = getRect().getWidth();
 	S32 height = getRect().getHeight();
 
-	gl_rect_2d(0,0,width - 1 ,height - 1,mHeaderBGColor.get(),true);
+	F32 alpha = getCurrentTransparency();
+	gl_rect_2d(0,0,width - 1 ,height - 1,mHeaderBGColor.get() % alpha,true);
 
 	LLAccordionCtrlTab* parent = dynamic_cast<LLAccordionCtrlTab*>(getParent());
 	bool collapsible = (parent && parent->getCollapsible());
@@ -456,8 +457,7 @@ BOOL LLAccordionCtrlTab::handleMouseDown(S32 x, S32 y, MASK mask)
 	{
 		if(y >= (getRect().getHeight() - HEADER_HEIGHT) )
 		{
-			LLAccordionCtrlTabHeader* header = getChild<LLAccordionCtrlTabHeader>(DD_HEADER_NAME);
-			header->setFocus(true);
+			mHeader->setFocus(true);
 			changeOpenClose(getDisplayChildren());
 
 			//reset stored state
@@ -509,10 +509,9 @@ void LLAccordionCtrlTab::setAccordionView(LLView* panel)
 
 std::string LLAccordionCtrlTab::getTitle() const
 {
-	LLAccordionCtrlTabHeader* header = findChild<LLAccordionCtrlTabHeader>(DD_HEADER_NAME);
-	if (header)
+	if (mHeader)
 	{
-		return header->getTitle();
+		return mHeader->getTitle();
 	}
 	else
 	{
@@ -522,57 +521,51 @@ std::string LLAccordionCtrlTab::getTitle() const
 
 void LLAccordionCtrlTab::setTitle(const std::string& title, const std::string& hl)
 {
-	LLAccordionCtrlTabHeader* header = findChild<LLAccordionCtrlTabHeader>(DD_HEADER_NAME);
-	if (header)
+	if (mHeader)
 	{
-		header->setTitle(title, hl);
+		mHeader->setTitle(title, hl);
 	}
 }
 
 void LLAccordionCtrlTab::setTitleFontStyle(std::string style)
 {
-	LLAccordionCtrlTabHeader* header = findChild<LLAccordionCtrlTabHeader>(DD_HEADER_NAME);
-	if (header)
+	if (mHeader)
 	{
-		header->setTitleFontStyle(style);
+		mHeader->setTitleFontStyle(style);
 	}
 }
 
 void LLAccordionCtrlTab::setTitleColor(LLUIColor color)
 {
-	LLAccordionCtrlTabHeader* header = findChild<LLAccordionCtrlTabHeader>(DD_HEADER_NAME);
-	if (header)
+	if (mHeader)
 	{
-		header->setTitleColor(color);
+		mHeader->setTitleColor(color);
 	}
 }
 
 boost::signals2::connection LLAccordionCtrlTab::setFocusReceivedCallback(const focus_signal_t::slot_type& cb)
 {
-	LLAccordionCtrlTabHeader* header = findChild<LLAccordionCtrlTabHeader>(DD_HEADER_NAME);
-	if (header)
+	if (mHeader)
 	{
-		return header->setFocusReceivedCallback(cb);
+		return mHeader->setFocusReceivedCallback(cb);
 	}
 	return boost::signals2::connection();
 }
 
 boost::signals2::connection LLAccordionCtrlTab::setFocusLostCallback(const focus_signal_t::slot_type& cb)
 {
-	LLAccordionCtrlTabHeader* header = findChild<LLAccordionCtrlTabHeader>(DD_HEADER_NAME);
-	if (header)
+	if (mHeader)
 	{
-		return header->setFocusLostCallback(cb);
+		return mHeader->setFocusLostCallback(cb);
 	}
 	return boost::signals2::connection();
 }
 
 void LLAccordionCtrlTab::setSelected(bool is_selected)
 {
-	LLAccordionCtrlTabHeader* header = findChild<LLAccordionCtrlTabHeader>(DD_HEADER_NAME);
-	if (header)
+	if (mHeader)
 	{
-		header->setSelected(is_selected);
+		mHeader->setSelected(is_selected);
 	}
 }
 
@@ -776,8 +769,7 @@ S32 LLAccordionCtrlTab::notify(const LLSD& info)
 
 BOOL LLAccordionCtrlTab::handleKey(KEY key, MASK mask, BOOL called_from_parent)
 {
-	LLAccordionCtrlTabHeader* header = getChild<LLAccordionCtrlTabHeader>(DD_HEADER_NAME);	
-	if( !header->hasFocus() )
+	if( !mHeader->hasFocus() )
 		return LLUICtrl::handleKey(key, mask, called_from_parent);
 
 	if ( (key == KEY_RETURN )&& mask == MASK_NONE)
@@ -830,15 +822,19 @@ BOOL LLAccordionCtrlTab::handleKey(KEY key, MASK mask, BOOL called_from_parent)
 
 void LLAccordionCtrlTab::showAndFocusHeader()
 {
-	LLAccordionCtrlTabHeader* header = getChild<LLAccordionCtrlTabHeader>(DD_HEADER_NAME);	
-	header->setFocus(true);
-	header->setSelected(mSelectionEnabled);
+	mHeader->setFocus(true);
+	mHeader->setSelected(mSelectionEnabled);
 
 	LLRect screen_rc;
-	LLRect selected_rc = header->getRect();
+	LLRect selected_rc = mHeader->getRect();
 	localRectToScreen(selected_rc, &screen_rc);
-	notifyParent(LLSD().with("scrollToShowRect",screen_rc.getValue()));
 
+	// This call to notifyParent() is intended to deliver "scrollToShowRect" command
+	// to the parent LLAccordionCtrl so by calling it from the direct parent of this
+	// accordion tab (assuming that the parent is an LLAccordionCtrl) the calls chain
+	// is shortened and messages from inside the collapsed tabs are avoided.
+	// See STORM-536.
+	getParent()->notifyParent(LLSD().with("scrollToShowRect",screen_rc.getValue()));
 }
 void    LLAccordionCtrlTab::storeOpenCloseState()
 {
diff --git a/indra/llui/llbutton.cpp b/indra/llui/llbutton.cpp
index 65ef3e5f8f..45ceaff696 100644
--- a/indra/llui/llbutton.cpp
+++ b/indra/llui/llbutton.cpp
@@ -98,7 +98,8 @@ LLButton::Params::Params()
 	is_toggle("is_toggle", false),
 	scale_image("scale_image", true),
 	hover_glow_amount("hover_glow_amount"),
-	commit_on_return("commit_on_return", true)
+	commit_on_return("commit_on_return", true),
+	use_draw_context_alpha("use_draw_context_alpha", true)
 {
 	addSynonym(is_toggle, "toggle");
 	held_down_delay.seconds = 0.5f;
@@ -158,7 +159,8 @@ LLButton::LLButton(const LLButton::Params& p)
 	mLastDrawCharsCount(0),
 	mMouseDownSignal(NULL),
 	mMouseUpSignal(NULL),
-	mHeldDownSignal(NULL)
+	mHeldDownSignal(NULL),
+	mUseDrawContextAlpha(p.use_draw_context_alpha)
 
 {
 	static LLUICachedControl<S32> llbutton_orig_h_pad ("UIButtonOrigHPad", 0);
@@ -539,7 +541,7 @@ BOOL LLButton::handleHover(S32 x, S32 y, MASK mask)
 // virtual
 void LLButton::draw()
 {
-	F32 alpha = getDrawContext().mAlpha;
+	F32 alpha = mUseDrawContextAlpha ? getDrawContext().mAlpha : getCurrentTransparency();
 	bool flash = FALSE;
 	static LLUICachedControl<F32> button_flash_rate("ButtonFlashRate", 0);
 	static LLUICachedControl<S32> button_flash_count("ButtonFlashCount", 0);
diff --git a/indra/llui/llbutton.h b/indra/llui/llbutton.h
index 2d5fefa78c..16aa49b653 100644
--- a/indra/llui/llbutton.h
+++ b/indra/llui/llbutton.h
@@ -124,6 +124,8 @@ public:
 		Optional<F32>				hover_glow_amount;
 		Optional<TimeIntervalParam>	held_down_delay;
 
+		Optional<bool>			use_draw_context_alpha;
+
 		Params();
 	};
 	
@@ -338,6 +340,8 @@ private:
 	S32							mImageOverlayTopPad;
 	S32							mImageOverlayBottomPad;
 
+	bool						mUseDrawContextAlpha;
+
 	/*
 	 * Space between image_overlay and label
 	 */
diff --git a/indra/llui/llcheckboxctrl.cpp b/indra/llui/llcheckboxctrl.cpp
index bbd8db2645..4fe444c1a4 100644
--- a/indra/llui/llcheckboxctrl.cpp
+++ b/indra/llui/llcheckboxctrl.cpp
@@ -88,27 +88,19 @@ LLCheckBoxCtrl::LLCheckBoxCtrl(const LLCheckBoxCtrl::Params& p)
 		tbparams.font(p.font);
 	}
 	mLabel = LLUICtrlFactory::create<LLTextBox> (tbparams);
+	mLabel->reshapeToFitText();
 	addChild(mLabel);
 
-	S32 text_width = mLabel->getTextBoundingRect().getWidth();
-	S32 text_height = llround(mFont->getLineHeight());
-	LLRect label_rect;
-	label_rect.setOriginAndSize(
-		llcheckboxctrl_hpad + llcheckboxctrl_btn_size + llcheckboxctrl_spacing,
-		llcheckboxctrl_vpad + 1, // padding to get better alignment
-		text_width + llcheckboxctrl_hpad,
-		text_height );
-	mLabel->setShape(label_rect);
-
+	LLRect label_rect = mLabel->getRect();
 
 	// Button
 	// Note: button cover the label by extending all the way to the right.
-	LLRect btn_rect;
+	LLRect btn_rect = p.check_button.rect();
 	btn_rect.setOriginAndSize(
-		llcheckboxctrl_hpad,
-		llcheckboxctrl_vpad,
-		llcheckboxctrl_btn_size + llcheckboxctrl_spacing + text_width + llcheckboxctrl_hpad,
-		llmax( text_height, llcheckboxctrl_btn_size() ) + llcheckboxctrl_vpad);
+		btn_rect.mLeft,
+		btn_rect.mBottom,
+		llmax(btn_rect.mRight, label_rect.mRight - btn_rect.mLeft),
+		llmax( label_rect.getHeight(), btn_rect.mTop));
 	std::string active_true_id, active_false_id;
 	std::string inactive_true_id, inactive_false_id;
 
@@ -174,31 +166,20 @@ void LLCheckBoxCtrl::clear()
 
 void LLCheckBoxCtrl::reshape(S32 width, S32 height, BOOL called_from_parent)
 {
-	//stretch or shrink bounding rectangle of label when rebuilding UI at new scale
-	static LLUICachedControl<S32> llcheckboxctrl_spacing ("UICheckboxctrlSpacing", 0);
-	static LLUICachedControl<S32> llcheckboxctrl_hpad ("UICheckboxctrlHPad", 0);
-	static LLUICachedControl<S32> llcheckboxctrl_vpad ("UICheckboxctrlVPad", 0);
-	static LLUICachedControl<S32> llcheckboxctrl_btn_size ("UICheckboxctrlBtnSize", 0);
 
-	S32 text_width = mLabel->getTextBoundingRect().getWidth();
-	S32 text_height = llround(mFont->getLineHeight());
-	LLRect label_rect;
-	label_rect.setOriginAndSize(
-		llcheckboxctrl_hpad + llcheckboxctrl_btn_size + llcheckboxctrl_spacing,
-		llcheckboxctrl_vpad,
-		text_width,
-		text_height );
-	mLabel->setShape(label_rect);
-
-	LLRect btn_rect;
+	mLabel->reshapeToFitText();
+
+	LLRect label_rect = mLabel->getRect();
+
+	// Button
+	// Note: button cover the label by extending all the way to the right.
+	LLRect btn_rect = mButton->getRect();
 	btn_rect.setOriginAndSize(
-		llcheckboxctrl_hpad,
-		llcheckboxctrl_vpad,
-		llcheckboxctrl_btn_size + llcheckboxctrl_spacing + text_width,
-		llmax( text_height, llcheckboxctrl_btn_size() ) );
-	mButton->setShape( btn_rect );
-	
-	LLUICtrl::reshape(width, height, called_from_parent);
+		btn_rect.mLeft,
+		btn_rect.mBottom,
+		llmax(btn_rect.getWidth(), label_rect.mRight - btn_rect.mLeft),
+		llmax(label_rect.mTop - btn_rect.mBottom, btn_rect.getHeight()));
+	mButton->setShape(btn_rect);
 }
 
 //virtual
diff --git a/indra/llui/llcombobox.cpp b/indra/llui/llcombobox.cpp
index 2dabbc7767..6f9893b07a 100644
--- a/indra/llui/llcombobox.cpp
+++ b/indra/llui/llcombobox.cpp
@@ -94,6 +94,7 @@ LLComboBox::LLComboBox(const LLComboBox::Params& p)
 	mMaxChars(p.max_chars),
 	mPrearrangeCallback(p.prearrange_callback()),
 	mTextEntryCallback(p.text_entry_callback()),
+	mTextChangedCallback(p.text_changed_callback()),
 	mListPosition(p.list_position),
 	mLastSelectedIndex(-1),
 	mLabel(p.label)
@@ -315,7 +316,7 @@ void LLComboBox::setValue(const LLSD& value)
 		LLScrollListItem* item = mList->getFirstSelected();
 		if (item)
 		{
-			setLabel(getSelectedItemLabel());
+			updateLabel();
 		}
 		mLastSelectedIndex = mList->getFirstSelectedIndex();
 	}
@@ -383,6 +384,23 @@ void LLComboBox::setLabel(const LLStringExplicit& name)
 	}
 }
 
+void LLComboBox::updateLabel()
+{
+	// Update the combo editor with the selected
+	// item label.
+	if (mTextEntry)
+	{
+		mTextEntry->setText(getSelectedItemLabel());
+		mTextEntry->setTentative(FALSE);
+	}
+
+	// If combo box doesn't allow text entry update
+	// the combo button label.
+	if (!mAllowTextEntry)
+	{
+		mButton->setLabel(getSelectedItemLabel());
+	}
+}
 
 BOOL LLComboBox::remove(const std::string& name)
 {
@@ -700,13 +718,13 @@ void LLComboBox::onItemSelected(const LLSD& data)
 	mLastSelectedIndex = getCurrentIndex();
 	if (mLastSelectedIndex != -1)
 	{
-		setLabel(getSelectedItemLabel());
+		updateLabel();
 
 		if (mAllowTextEntry)
-	{
-		gFocusMgr.setKeyboardFocus(mTextEntry);
-		mTextEntry->selectAll();
-	}
+		{
+			gFocusMgr.setKeyboardFocus(mTextEntry);
+			mTextEntry->selectAll();
+		}
 	}
 	// hiding the list reasserts the old value stored in the text editor/dropdown button
 	hideList();
@@ -769,7 +787,8 @@ BOOL LLComboBox::handleKeyHere(KEY key, MASK mask)
 			return FALSE;
 		}
 		// if selection has changed, pop open list
-		else if (mList->getLastSelectedItem() != last_selected_item)
+		else if (mList->getLastSelectedItem() != last_selected_item ||
+				(key == KEY_DOWN || key == KEY_UP) && !mList->isEmpty())
 		{
 			showList();
 		}
@@ -833,6 +852,10 @@ void LLComboBox::onTextEntry(LLLineEditor* line_editor)
 			mList->deselectAllItems();
 			mLastSelectedIndex = -1;
 		}
+		if (mTextChangedCallback != NULL)
+		{
+			(mTextChangedCallback)(line_editor, LLSD());
+		}
 		return;
 	}
 
@@ -877,6 +900,10 @@ void LLComboBox::onTextEntry(LLLineEditor* line_editor)
 		// RN: presumably text entry
 		updateSelection();
 	}
+	if (mTextChangedCallback != NULL)
+	{
+		(mTextChangedCallback)(line_editor, LLSD());
+	}
 }
 
 void LLComboBox::updateSelection()
diff --git a/indra/llui/llcombobox.h b/indra/llui/llcombobox.h
index 5f0e4a6843..e9ef9d07e4 100644
--- a/indra/llui/llcombobox.h
+++ b/indra/llui/llcombobox.h
@@ -73,7 +73,8 @@ public:
 											allow_new_values;
 		Optional<S32>						max_chars;
 		Optional<commit_callback_t> 		prearrange_callback,
-											text_entry_callback;
+											text_entry_callback,
+											text_changed_callback;
 
 		Optional<EPreferredPosition, PreferredPositionValues>	list_position;
 		
@@ -147,6 +148,9 @@ public:
 	// This is probably a UI abuse.
 	void			setLabel(const LLStringExplicit& name);
 
+	// Updates the combobox label to match the selected list item.
+	void			updateLabel();
+
 	BOOL			remove(const std::string& name);	// remove item "name", return TRUE if found and removed
 	
 	BOOL			setCurrentByIndex( S32 index );
@@ -190,6 +194,7 @@ public:
 
 	void			setPrearrangeCallback( commit_callback_t cb ) { mPrearrangeCallback = cb; }
 	void			setTextEntryCallback( commit_callback_t cb ) { mTextEntryCallback = cb; }
+	void			setTextChangedCallback( commit_callback_t cb ) { mTextChangedCallback = cb; }
 
 	void			setButtonVisible(BOOL visible);
 
@@ -220,6 +225,7 @@ private:
 	BOOL				mTextEntryTentative;
 	commit_callback_t	mPrearrangeCallback;
 	commit_callback_t	mTextEntryCallback;
+	commit_callback_t	mTextChangedCallback;
 	commit_callback_t	mSelectionCallback;
 	boost::signals2::connection mTopLostSignalConnection;
 	S32                 mLastSelectedIndex;
diff --git a/indra/llui/lldockcontrol.cpp b/indra/llui/lldockcontrol.cpp
index d48674f306..b1c27126d9 100644
--- a/indra/llui/lldockcontrol.cpp
+++ b/indra/llui/lldockcontrol.cpp
@@ -160,8 +160,10 @@ bool LLDockControl::isDockVisible()
 			case TOP:
 			{
 				// check is dock inside parent rect
+				// assume that parent for all dockable flaoters
+				// is the root view
 				LLRect dockParentRect =
-						mDockWidget->getParent()->calcScreenRect();
+						mDockWidget->getRootView()->calcScreenRect();
 				if (dockRect.mRight <= dockParentRect.mLeft
 						|| dockRect.mLeft >= dockParentRect.mRight)
 				{
@@ -220,10 +222,15 @@ void LLDockControl::moveDockable()
 	case TOP:
 		x = dockRect.getCenterX() - dockableRect.getWidth() / 2;
 		y = dockRect.mTop + dockableRect.getHeight();
-		// unique docking used with dock tongue, so add tongue height o the Y coordinate
+		// unique docking used with dock tongue, so add tongue height to the Y coordinate
 		if (use_tongue)
 		{
 			y += mDockTongue->getHeight();
+
+			if ( y > rootRect.mTop)
+			{
+				y = rootRect.mTop;
+			}
 		}
 
 		// check is dockable inside root view rect
@@ -257,7 +264,7 @@ void LLDockControl::moveDockable()
 	case BOTTOM:
 		x = dockRect.getCenterX() - dockableRect.getWidth() / 2;
 		y = dockRect.mBottom;
-		// unique docking used with dock tongue, so add tongue height o the Y coordinate
+		// unique docking used with dock tongue, so add tongue height to the Y coordinate
 		if (use_tongue)
 		{
 			y -= mDockTongue->getHeight();
@@ -292,9 +299,21 @@ void LLDockControl::moveDockable()
 		break;
 	}
 
-	// move dockable
-	dockableRect.setLeftTopAndSize(x, y, dockableRect.getWidth(),
-			dockableRect.getHeight());
+	S32 max_available_height = rootRect.getHeight() - (rootRect.mBottom -  mDockTongueY) - mDockTongue->getHeight();
+
+	// A floater should be shrunk so it doesn't cover a part of its docking tongue and
+	// there is a space between a dockable floater and a control to which it is docked.
+	if (use_tongue && dockableRect.getHeight() >= max_available_height)
+	{
+		dockableRect.setLeftTopAndSize(x, y, dockableRect.getWidth(), max_available_height);
+		mDockableFloater->reshape(dockableRect.getWidth(), dockableRect.getHeight());
+	}
+	else
+	{
+		// move dockable
+		dockableRect.setLeftTopAndSize(x, y, dockableRect.getWidth(),
+				dockableRect.getHeight());
+	}
 	LLRect localDocableParentRect;
 	mDockableFloater->getParent()->screenRectToLocal(dockableRect,
 			&localDocableParentRect);
diff --git a/indra/llui/llfloater.cpp b/indra/llui/llfloater.cpp
index b758070419..d19e33ea55 100644
--- a/indra/llui/llfloater.cpp
+++ b/indra/llui/llfloater.cpp
@@ -1,4 +1,5 @@
 /** 
+
  * @file llfloater.cpp
  * @brief LLFloater base class
  *
@@ -61,7 +62,6 @@
 // use this to control "jumping" behavior when Ctrl-Tabbing
 const S32 TABBED_FLOATER_OFFSET = 0;
 
-
 std::string	LLFloater::sButtonNames[BUTTON_COUNT] = 
 {
 	"llfloater_close_btn",		//BUTTON_CLOSE
@@ -200,6 +200,21 @@ void LLFloater::initClass()
 	{
 		sButtonToolTips[i] = LLTrans::getString( sButtonToolTipsIndex[i] );
 	}
+
+	LLControlVariable* ctrl = LLUI::sSettingGroups["config"]->getControl("ActiveFloaterTransparency").get();
+	if (ctrl)
+	{
+		ctrl->getSignal()->connect(boost::bind(&LLFloater::updateActiveFloaterTransparency));
+		updateActiveFloaterTransparency();
+	}
+
+	ctrl = LLUI::sSettingGroups["config"]->getControl("InactiveFloaterTransparency").get();
+	if (ctrl)
+	{
+		ctrl->getSignal()->connect(boost::bind(&LLFloater::updateInactiveFloaterTransparency));
+		updateInactiveFloaterTransparency();
+	}
+
 }
 
 // defaults for floater param block pulled from widgets/floater.xml
@@ -207,7 +222,7 @@ static LLWidgetNameRegistry::StaticRegistrar sRegisterFloaterParams(&typeid(LLFl
 
 LLFloater::LLFloater(const LLSD& key, const LLFloater::Params& p)
 :	LLPanel(),	// intentionally do not pass params here, see initFromParams
-	mDragHandle(NULL),
+ 	mDragHandle(NULL),
 	mTitle(p.title),
 	mShortTitle(p.short_title),
 	mSingleInstance(p.single_instance),
@@ -257,9 +272,6 @@ LLFloater::LLFloater(const LLSD& key, const LLFloater::Params& p)
 	
 	initFromParams(p);
 	
-	// chrome floaters don't take focus at all
-	setFocusRoot(!getIsChrome());
-
 	initFloater(p);
 }
 
@@ -347,6 +359,18 @@ void LLFloater::layoutDragHandle()
 	updateTitleButtons();
 }
 
+// static
+void LLFloater::updateActiveFloaterTransparency()
+{
+	sActiveControlTransparency = LLUI::sSettingGroups["config"]->getF32("ActiveFloaterTransparency");
+}
+
+// static
+void LLFloater::updateInactiveFloaterTransparency()
+{
+	sInactiveControlTransparency = LLUI::sSettingGroups["config"]->getF32("InactiveFloaterTransparency");
+}
+
 void LLFloater::addResizeCtrls()
 {	
 	// Resize bars (sides)
@@ -1163,6 +1187,7 @@ void LLFloater::setFocus( BOOL b )
 			last_focus->setFocus(TRUE);
 		}
 	}
+	updateTransparency(b ? TT_ACTIVE : TT_INACTIVE);
 }
 
 // virtual
@@ -1435,6 +1460,9 @@ void LLFloater::setFrontmost(BOOL take_focus)
 		// there are more than one floater view
 		// so we need to query our parent directly
 		((LLFloaterView*)getParent())->bringToFront(this, take_focus);
+
+		// Make sure to set the appropriate transparency type (STORM-732).
+		updateTransparency(hasFocus() || getIsChrome() ? TT_ACTIVE : TT_INACTIVE);
 	}
 }
 
@@ -1622,7 +1650,8 @@ void	LLFloater::onClickCloseBtn()
 // virtual
 void LLFloater::draw()
 {
-	F32 alpha = getDrawContext().mAlpha;
+	const F32 alpha = getCurrentTransparency();
+
 	// draw background
 	if( isBackgroundVisible() )
 	{
@@ -1720,7 +1749,6 @@ void LLFloater::draw()
 
 void	LLFloater::drawShadow(LLPanel* panel)
 {
-	F32 alpha = panel->getDrawContext().mAlpha;
 	S32 left = LLPANEL_BORDER_WIDTH;
 	S32 top = panel->getRect().getHeight() - LLPANEL_BORDER_WIDTH;
 	S32 right = panel->getRect().getWidth() - LLPANEL_BORDER_WIDTH;
@@ -1737,10 +1765,32 @@ void	LLFloater::drawShadow(LLPanel* panel)
 		shadow_color.mV[VALPHA] *= 0.5f;
 	}
 	gl_drop_shadow(left, top, right, bottom, 
-		shadow_color % alpha, 
+		shadow_color % getCurrentTransparency(),
 		llround(shadow_offset));
 }
 
+void LLFloater::updateTransparency(LLView* view, ETypeTransparency transparency_type)
+{
+	child_list_t children = *view->getChildList();
+	child_list_t::iterator it = children.begin();
+
+	LLUICtrl* ctrl = dynamic_cast<LLUICtrl*>(view);
+	if (ctrl)
+	{
+		ctrl->setTransparencyType(transparency_type);
+	}
+
+	for(; it != children.end(); ++it)
+	{
+		updateTransparency(*it, transparency_type);
+	}
+}
+
+void LLFloater::updateTransparency(ETypeTransparency transparency_type)
+{
+	updateTransparency(this, transparency_type);
+}
+
 void	LLFloater::setCanMinimize(BOOL can_minimize)
 {
 	// if removing minimize/restore button programmatically,
@@ -2540,9 +2590,13 @@ void LLFloaterView::draw()
 
 LLRect LLFloaterView::getSnapRect() const
 {
-	LLRect snap_rect = getRect();
-	snap_rect.mBottom += mSnapOffsetBottom;
-	snap_rect.mRight  -= mSnapOffsetRight;
+	LLRect snap_rect = getLocalRect();
+
+	LLView* snap_view = mSnapView.get();
+	if (snap_view)
+	{
+		snap_view->localRectToOtherView(snap_view->getLocalRect(), &snap_rect, this);
+	}
 
 	return snap_rect;
 }
@@ -2815,7 +2869,7 @@ void LLFloater::initFromParams(const LLFloater::Params& p)
 	// close callback 
 	if (p.close_callback.isProvided())
 	{
-		mCloseSignal.connect(initCommitCallback(p.close_callback));
+		setCloseCallback(initCommitCallback(p.close_callback));
 	}
 }
 
@@ -2825,6 +2879,11 @@ boost::signals2::connection LLFloater::setMinimizeCallback( const commit_signal_
 	return mMinimizeSignal->connect(cb); 
 }
 
+boost::signals2::connection LLFloater::setCloseCallback( const commit_signal_t::slot_type& cb )
+{
+	return mCloseSignal.connect(cb);
+}
+
 LLFastTimer::DeclareTimer POST_BUILD("Floater Post Build");
 
 bool LLFloater::initFloaterXML(LLXMLNodePtr node, LLView *parent, const std::string& filename, LLXMLNodePtr output_node)
@@ -2857,7 +2916,7 @@ bool LLFloater::initFloaterXML(LLXMLNodePtr node, LLView *parent, const std::str
 	params.from_xui = true;
 	applyXUILayout(params, parent);
  	initFromParams(params);
-	
+
 	initFloater(params);
 	
 	LLMultiFloater* last_host = LLFloater::getFloaterHost();
diff --git a/indra/llui/llfloater.h b/indra/llui/llfloater.h
index 32d03f9f83..5b7b020881 100644
--- a/indra/llui/llfloater.h
+++ b/indra/llui/llfloater.h
@@ -144,6 +144,7 @@ public:
 	bool buildFromFile(const std::string &filename, LLXMLNodePtr output_node = NULL);
 
 	boost::signals2::connection setMinimizeCallback( const commit_signal_t::slot_type& cb );
+	boost::signals2::connection setCloseCallback( const commit_signal_t::slot_type& cb );
 
 	void initFromParams(const LLFloater::Params& p);
 	bool initFloaterXML(LLXMLNodePtr node, LLView *parent, const std::string& filename, LLXMLNodePtr output_node = NULL);
@@ -284,6 +285,8 @@ public:
 
 	static void		setFloaterHost(LLMultiFloater* hostp) {sHostp = hostp; }
 	static LLMultiFloater* getFloaterHost() {return sHostp; }
+
+	void			updateTransparency(ETypeTransparency transparency_type);
 		
 protected:
 
@@ -341,6 +344,10 @@ private:
 	void 			addDragHandle();
 	void			layoutDragHandle();		// repair layout
 
+	static void		updateActiveFloaterTransparency();
+	static void		updateInactiveFloaterTransparency();
+	void			updateTransparency(LLView* view, ETypeTransparency transparency_type);
+
 public:
 	// Called when floater is opened, passes mKey
 	// Public so external views or floaters can watch for this floater opening
@@ -489,10 +496,10 @@ public:
 	// value is not defined.
 	S32 getZOrder(LLFloater* child);
 
-	void setSnapOffsetBottom(S32 offset) { mSnapOffsetBottom = offset; }
-	void setSnapOffsetRight(S32 offset) { mSnapOffsetRight = offset; }
+	void setFloaterSnapView(LLHandle<LLView> snap_view) {mSnapView = snap_view; }
 
 private:
+	LLHandle<LLView>	mSnapView;
 	BOOL			mFocusCycleMode;
 	S32				mSnapOffsetBottom;
 	S32				mSnapOffsetRight;
diff --git a/indra/llui/llhandle.h b/indra/llui/llhandle.h
index a43f095d67..8c000eee48 100644
--- a/indra/llui/llhandle.h
+++ b/indra/llui/llhandle.h
@@ -61,13 +61,6 @@ public:
 		return *this; 
 	}
 
-	template<typename Subclass>
-	LLHandle<T>& operator =(const LLHandle<Subclass>& other)  
-	{ 
-		mTombStone = other.mTombStone;
-		return *this; 
-	}
-
 	bool isDead() const 
 	{ 
 		return mTombStone->getTarget() == NULL; 
@@ -99,7 +92,6 @@ public:
 	{
 		return lhs.mTombStone > rhs.mTombStone;
 	}
-protected:
 
 protected:
 	LLPointer<LLTombStone<T> > mTombStone;
diff --git a/indra/llui/lliconctrl.cpp b/indra/llui/lliconctrl.cpp
index 627957061d..47f2cfaf89 100644
--- a/indra/llui/lliconctrl.cpp
+++ b/indra/llui/lliconctrl.cpp
@@ -41,6 +41,7 @@ static LLDefaultChildRegistry::Register<LLIconCtrl> r("icon");
 LLIconCtrl::Params::Params()
 :	image("image_name"),
 	color("color"),
+	use_draw_context_alpha("use_draw_context_alpha", true),
 	scale_image("scale_image")
 {
 	tab_stop = false;
@@ -51,6 +52,7 @@ LLIconCtrl::LLIconCtrl(const LLIconCtrl::Params& p)
 :	LLUICtrl(p),
 	mColor(p.color()),
 	mImagep(p.image),
+	mUseDrawContextAlpha(p.use_draw_context_alpha),
 	mPriority(0),
 	mDrawWidth(0),
 	mDrawHeight(0)
@@ -71,7 +73,8 @@ void LLIconCtrl::draw()
 {
 	if( mImagep.notNull() )
 	{
-		mImagep->draw(getLocalRect(), mColor.get() % getDrawContext().mAlpha );
+		const F32 alpha = mUseDrawContextAlpha ? getDrawContext().mAlpha : getCurrentTransparency();
+		mImagep->draw(getLocalRect(), mColor.get() % alpha );
 	}
 
 	LLUICtrl::draw();
diff --git a/indra/llui/lliconctrl.h b/indra/llui/lliconctrl.h
index 79a8b0fb28..e9bdab2d47 100644
--- a/indra/llui/lliconctrl.h
+++ b/indra/llui/lliconctrl.h
@@ -48,6 +48,7 @@ public:
 	{
 		Optional<LLUIImage*>	image;
 		Optional<LLUIColor>		color;
+		Optional<bool>			use_draw_context_alpha;
 		Ignored					scale_image;
 		Params();
 	};
@@ -79,6 +80,10 @@ protected:
 	S32 mDrawWidth ;
 	S32 mDrawHeight ;
 
+	// If set to true (default), use the draw context transparency.
+	// If false, will use transparency returned by getCurrentTransparency(). See STORM-698.
+	bool mUseDrawContextAlpha;
+
 private:
 	LLUIColor mColor;
 	LLPointer<LLUIImage> mImagep;
diff --git a/indra/llui/lllayoutstack.cpp b/indra/llui/lllayoutstack.cpp
index 940c7e7e18..9b6830a816 100644
--- a/indra/llui/lllayoutstack.cpp
+++ b/indra/llui/lllayoutstack.cpp
@@ -38,6 +38,12 @@
 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
 //
@@ -47,47 +53,47 @@ LLLayoutPanel::LLLayoutPanel(const Params& p)
  	mMaxDim(p.max_dim), 
  	mAutoResize(p.auto_resize),
  	mUserResize(p.user_resize),
-		mCollapsed(FALSE),
-		mCollapseAmt(0.f),
-		mVisibleAmt(1.f), // default to fully visible
-		mResizeBar(NULL) 
-	{
+	mCollapsed(FALSE),
+	mCollapseAmt(0.f),
+	mVisibleAmt(1.f), // default to fully visible
+	mResizeBar(NULL) 
+{
 	// panels initialized as hidden should not start out partially visible
 	if (!getVisible())
-		{
+	{
 		mVisibleAmt = 0.f;
-		}
-		}
+	}
+}
 
 void LLLayoutPanel::initFromParams(const Params& p)
-		{
+{
 	LLPanel::initFromParams(p);
 	setFollowsNone();
-	}
+}
 
 
 LLLayoutPanel::~LLLayoutPanel()
-	{
-		// probably not necessary, but...
-		delete mResizeBar;
-		mResizeBar = NULL;
-	}
+{
+	// probably not necessary, but...
+	delete mResizeBar;
+	mResizeBar = NULL;
+}
 	
 F32 LLLayoutPanel::getCollapseFactor(LLLayoutStack::ELayoutOrientation orientation)
-	{
+{
 	if (orientation == LLLayoutStack::HORIZONTAL)
-		{
-			F32 collapse_amt = 
-			clamp_rescale(mCollapseAmt, 0.f, 1.f, 1.f, (F32)mMinDim / (F32)llmax(1, getRect().getWidth()));
-			return mVisibleAmt * collapse_amt;
-		}
-		else
+	{
+		F32 collapse_amt = 
+		clamp_rescale(mCollapseAmt, 0.f, 1.f, 1.f, (F32)mMinDim / (F32)llmax(1, getRect().getWidth()));
+		return mVisibleAmt * collapse_amt;
+	}
+	else
 	{
 			F32 collapse_amt = 
 			clamp_rescale(mCollapseAmt, 0.f, 1.f, 1.f, llmin(1.f, (F32)mMinDim / (F32)llmax(1, getRect().getHeight())));
 			return mVisibleAmt * collapse_amt;
-		}
 	}
+}
 
 //
 // LLLayoutStack
@@ -97,6 +103,8 @@ LLLayoutStack::Params::Params()
 :	orientation("orientation"),
 	animate("animate", true),
 	clip("clip", true),
+	open_time_constant("open_time_constant", 0.02f),
+	close_time_constant("close_time_constant", 0.03f),
 	border_size("border_size", LLCachedControl<S32>(*LLUI::sSettingGroups["config"], "UIResizeBarHeight", 0))
 {
 	name="stack";
@@ -107,10 +115,12 @@ LLLayoutStack::LLLayoutStack(const LLLayoutStack::Params& p)
 	mMinWidth(0),
 	mMinHeight(0),
 	mPanelSpacing(p.border_size),
-	mOrientation((p.orientation() == "vertical") ? VERTICAL : HORIZONTAL),
+	mOrientation(p.orientation),
 	mAnimate(p.animate),
 	mAnimatedThisFrame(false),
-	mClip(p.clip)
+	mClip(p.clip),
+	mOpenTimeConstant(p.open_time_constant),
+	mCloseTimeConstant(p.close_time_constant)
 {}
 
 LLLayoutStack::~LLLayoutStack()
@@ -303,9 +313,6 @@ void LLLayoutStack::updateLayout(BOOL force_resize)
 	S32 total_width = 0;
 	S32 total_height = 0;
 
-	const F32 ANIM_OPEN_TIME = 0.02f;
-	const F32 ANIM_CLOSE_TIME = 0.03f;
-
 	e_panel_list_t::iterator panel_it;
 	for (panel_it = mPanels.begin(); panel_it != mPanels.end();	++panel_it)
 	{
@@ -316,7 +323,7 @@ void LLLayoutStack::updateLayout(BOOL force_resize)
 			{
 				if (!mAnimatedThisFrame)
 				{
-					(*panel_it)->mVisibleAmt = lerp((*panel_it)->mVisibleAmt, 1.f, LLCriticalDamp::getInterpolant(ANIM_OPEN_TIME));
+					(*panel_it)->mVisibleAmt = lerp((*panel_it)->mVisibleAmt, 1.f, LLCriticalDamp::getInterpolant(mOpenTimeConstant));
 					if ((*panel_it)->mVisibleAmt > 0.99f)
 					{
 						(*panel_it)->mVisibleAmt = 1.f;
@@ -334,7 +341,7 @@ void LLLayoutStack::updateLayout(BOOL force_resize)
 			{
 				if (!mAnimatedThisFrame)
 				{
-					(*panel_it)->mVisibleAmt = lerp((*panel_it)->mVisibleAmt, 0.f, LLCriticalDamp::getInterpolant(ANIM_CLOSE_TIME));
+					(*panel_it)->mVisibleAmt = lerp((*panel_it)->mVisibleAmt, 0.f, LLCriticalDamp::getInterpolant(mCloseTimeConstant));
 					if ((*panel_it)->mVisibleAmt < 0.001f)
 					{
 						(*panel_it)->mVisibleAmt = 0.f;
@@ -349,11 +356,11 @@ void LLLayoutStack::updateLayout(BOOL force_resize)
 
 		if ((*panel_it)->mCollapsed)
 		{
-			(*panel_it)->mCollapseAmt = lerp((*panel_it)->mCollapseAmt, 1.f, LLCriticalDamp::getInterpolant(ANIM_CLOSE_TIME));
+			(*panel_it)->mCollapseAmt = lerp((*panel_it)->mCollapseAmt, 1.f, LLCriticalDamp::getInterpolant(mCloseTimeConstant));
 		}
 		else
 		{
-			(*panel_it)->mCollapseAmt = lerp((*panel_it)->mCollapseAmt, 0.f, LLCriticalDamp::getInterpolant(ANIM_CLOSE_TIME));
+			(*panel_it)->mCollapseAmt = lerp((*panel_it)->mCollapseAmt, 0.f, LLCriticalDamp::getInterpolant(mCloseTimeConstant));
 		}
 
 		if (mOrientation == HORIZONTAL)
@@ -556,7 +563,7 @@ void LLLayoutStack::updateLayout(BOOL force_resize)
 	}
 
 	// update resize bars with new limits
-	LLResizeBar* last_resize_bar = NULL;
+	LLLayoutPanel* last_resizeable_panel = NULL;
 	for (panel_it = mPanels.begin(); panel_it != mPanels.end(); ++panel_it)
 	{
 		LLPanel* panelp = (*panel_it);
@@ -578,17 +585,17 @@ void LLLayoutStack::updateLayout(BOOL force_resize)
 		BOOL resize_bar_enabled = panelp->getVisible() && (*panel_it)->mUserResize;
 		(*panel_it)->mResizeBar->setVisible(resize_bar_enabled);
 
-		if (resize_bar_enabled)
+		if ((*panel_it)->mUserResize || (*panel_it)->mAutoResize)
 		{
-			last_resize_bar = (*panel_it)->mResizeBar;
+			last_resizeable_panel = (*panel_it);
 		}
 	}
 
 	// hide last resize bar as there is nothing past it
 	// resize bars need to be in between two resizable panels
-	if (last_resize_bar)
+	if (last_resizeable_panel)
 	{
-		last_resize_bar->setVisible(FALSE);
+		last_resizeable_panel->mResizeBar->setVisible(FALSE);
 	}
 
 	// not enough room to fit existing contents
diff --git a/indra/llui/lllayoutstack.h b/indra/llui/lllayoutstack.h
index e19ef403ef..4ac8ef0ee9 100644
--- a/indra/llui/lllayoutstack.h
+++ b/indra/llui/lllayoutstack.h
@@ -37,27 +37,35 @@ class LLLayoutPanel;
 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<std::string>	orientation;
+		Mandatory<ELayoutOrientation, OrientationNames>	orientation;
 		Optional<S32>			border_size;
 		Optional<bool>			animate,
 								clip;
+		Optional<F32>			open_time_constant,
+								close_time_constant;
 
 		Params();
 	};
 
 	typedef LayoutStackRegistry child_registry_t;
 
-	typedef enum e_layout_orientation
-	{
-		HORIZONTAL,
-		VERTICAL
-	} ELayoutOrientation;
-
 	virtual ~LLLayoutStack();
 
 	/*virtual*/ void draw();
@@ -137,6 +145,8 @@ private:
 	bool mAnimatedThisFrame;
 	bool mAnimate;
 	bool mClip;
+	F32 mOpenTimeConstant;
+	F32 mCloseTimeConstant;
 }; // end class LLLayoutStack
 
 class LLLayoutPanel : public LLPanel
@@ -167,6 +177,9 @@ public:
 	~LLLayoutPanel();
 
 	void initFromParams(const Params& p);
+	void setMinDim(S32 value) { mMinDim = value; }
+	void setMaxDim(S32 value) { mMaxDim = value; }
+
 protected:
 	LLLayoutPanel(const Params& p)	;
 
diff --git a/indra/llui/lllineeditor.cpp b/indra/llui/lllineeditor.cpp
index 5f5fe851bb..7e348656a9 100644
--- a/indra/llui/lllineeditor.cpp
+++ b/indra/llui/lllineeditor.cpp
@@ -88,6 +88,7 @@ LLLineEditor::Params::Params()
 	revert_on_esc("revert_on_esc", true),
 	commit_on_focus_lost("commit_on_focus_lost", true),
 	ignore_tab("ignore_tab", true),
+	is_password("is_password", false),
 	cursor_color("cursor_color"),
 	text_color("text_color"),
 	text_readonly_color("text_readonly_color"),
@@ -129,7 +130,7 @@ LLLineEditor::LLLineEditor(const LLLineEditor::Params& p)
 	mBorderThickness( 0 ),
 	mIgnoreArrowKeys( FALSE ),
 	mIgnoreTab( p.ignore_tab ),
-	mDrawAsterixes( FALSE ),
+	mDrawAsterixes( p.is_password ),
 	mSelectAllonFocusReceived( p.select_on_focus ),
 	mPassDelete(FALSE),
 	mReadOnly(FALSE),
@@ -1304,7 +1305,7 @@ BOOL LLLineEditor::handleSpecialKey(KEY key, MASK mask)
 
 	// handle ctrl-uparrow if we have a history enabled line editor.
 	case KEY_UP:
-		if( mHaveHistory && ( MASK_CONTROL == mask ) )
+		if( mHaveHistory && ((mIgnoreArrowKeys == false) || ( MASK_CONTROL == mask )) )
 		{
 			if( mCurrentHistoryLine > mLineHistory.begin() )
 			{
@@ -1319,9 +1320,9 @@ BOOL LLLineEditor::handleSpecialKey(KEY key, MASK mask)
 		}
 		break;
 
-	// handle ctrl-downarrow if we have a history enabled line editor
+	// handle [ctrl]-downarrow if we have a history enabled line editor
 	case KEY_DOWN:
-		if( mHaveHistory  && ( MASK_CONTROL == mask ) )
+		if( mHaveHistory  && ((mIgnoreArrowKeys == false) || ( MASK_CONTROL == mask )) )
 		{
 			if( !mLineHistory.empty() && mCurrentHistoryLine < mLineHistory.end() - 1 )
 			{
@@ -1529,8 +1530,11 @@ void LLLineEditor::drawBackground()
 	{
 		image = mBgImage;
 	}
+
+	if (!image) return;
 	
-	F32 alpha = getDrawContext().mAlpha;
+	F32 alpha = getCurrentTransparency();
+
 	// optionally draw programmatic border
 	if (has_focus)
 	{
diff --git a/indra/llui/lllineeditor.h b/indra/llui/lllineeditor.h
index a1aa6b71c6..723423a5b9 100644
--- a/indra/llui/lllineeditor.h
+++ b/indra/llui/lllineeditor.h
@@ -85,7 +85,8 @@ public:
 		Optional<bool>					select_on_focus,
 										revert_on_esc,
 										commit_on_focus_lost,
-										ignore_tab;
+										ignore_tab,
+										is_password;
 
 		// colors
 		Optional<LLUIColor>				cursor_color,
@@ -336,7 +337,7 @@ protected:
 	std::vector<S32> mPreeditPositions;
 	LLPreeditor::standouts_t mPreeditStandouts;
 
-	LLHandle<LLView> mContextMenuHandle;
+	LLHandle<LLContextMenu> mContextMenuHandle;
 
 private:
 	// Instances that by default point to the statics but can be overidden in XML.
diff --git a/indra/llui/llmenubutton.cpp b/indra/llui/llmenubutton.cpp
index 3df05f4d3f..eed0085273 100644
--- a/indra/llui/llmenubutton.cpp
+++ b/indra/llui/llmenubutton.cpp
@@ -29,7 +29,7 @@
 #include "llmenubutton.h"
 
 // Linden library includes
-#include "llmenugl.h"
+#include "lltoggleablemenu.h"
 #include "llstring.h"
 #include "v4color.h"
 
@@ -44,58 +44,77 @@ LLMenuButton::Params::Params()
 
 LLMenuButton::LLMenuButton(const LLMenuButton::Params& p)
 :	LLButton(p),
-	mMenu(NULL),
-	mMenuVisibleLastFrame(false)
+	mIsMenuShown(false),
+	mMenuPosition(MP_BOTTOM_LEFT)
 {
 	std::string menu_filename = p.menu_filename;
 
 	if (!menu_filename.empty())
 	{
-		mMenu = LLUICtrlFactory::getInstance()->createFromFile<LLMenuGL>(menu_filename, LLMenuGL::sMenuContainer, LLMenuHolderGL::child_registry_t::instance());
-		if (!mMenu)
+		LLToggleableMenu* menu = LLUICtrlFactory::getInstance()->createFromFile<LLToggleableMenu>(menu_filename, LLMenuGL::sMenuContainer, LLMenuHolderGL::child_registry_t::instance());
+		if (!menu)
 		{
 			llwarns << "Error loading menu_button menu" << llendl;
+			return;
 		}
+
+		menu->setVisibilityChangeCallback(boost::bind(&LLMenuButton::onMenuVisibilityChange, this, _2));
+
+		mMenuHandle = menu->getHandle();
+
+		updateMenuOrigin();
 	}
 }
 
-void LLMenuButton::toggleMenu()
+boost::signals2::connection LLMenuButton::setMouseDownCallback( const mouse_signal_t::slot_type& cb )
 {
-    if(!mMenu)
-		return;
+	return LLUICtrl::setMouseDownCallback(cb);
+}
 
-	if (mMenu->getVisible() || mMenuVisibleLastFrame)
-	{
-		mMenu->setVisible(FALSE);
-	}
-	else
+void LLMenuButton::hideMenu()
+{
+	if(mMenuHandle.isDead()) return;
+
+	LLToggleableMenu* menu = dynamic_cast<LLToggleableMenu*>(mMenuHandle.get());
+	if (menu)
 	{
-	    LLRect rect = getRect();
-		//mMenu->needsArrange(); //so it recalculates the visible elements
-		LLMenuGL::showPopup(getParent(), mMenu, rect.mLeft, rect.mBottom);
+		menu->setVisible(FALSE);
 	}
 }
 
-
-void LLMenuButton::hideMenu() 
-{ 
-	if(!mMenu)
-		return;
-	mMenu->setVisible(FALSE); 
+LLToggleableMenu* LLMenuButton::getMenu()
+{
+	return dynamic_cast<LLToggleableMenu*>(mMenuHandle.get());
 }
 
+void LLMenuButton::setMenu(LLToggleableMenu* menu, EMenuPosition position /*MP_TOP_LEFT*/)
+{
+	if (!menu) return;
+
+	mMenuHandle = menu->getHandle();
+	mMenuPosition = position;
+
+	menu->setVisibilityChangeCallback(boost::bind(&LLMenuButton::onMenuVisibilityChange, this, _2));
+}
 
 BOOL LLMenuButton::handleKeyHere(KEY key, MASK mask )
 {
+	if (mMenuHandle.isDead()) return FALSE;
+
 	if( KEY_RETURN == key && mask == MASK_NONE && !gKeyboard->getKeyRepeated(key))
 	{
+		// *HACK: We emit the mouse down signal to fire the callback bound to the
+		// menu emerging event before actually displaying the menu. See STORM-263.
+		LLUICtrl::handleMouseDown(-1, -1, MASK_NONE);
+
 		toggleMenu();
 		return TRUE;
 	}
 
-	if (mMenu && mMenu->getVisible() && key == KEY_ESCAPE && mask == MASK_NONE)
+	LLToggleableMenu* menu = dynamic_cast<LLToggleableMenu*>(mMenuHandle.get());
+	if (menu && menu->getVisible() && key == KEY_ESCAPE && mask == MASK_NONE)
 	{
-		mMenu->setVisible(FALSE);
+		menu->setVisible(FALSE);
 		return TRUE;
 	}
 	
@@ -104,34 +123,84 @@ BOOL LLMenuButton::handleKeyHere(KEY key, MASK mask )
 
 BOOL LLMenuButton::handleMouseDown(S32 x, S32 y, MASK mask)
 {
-	if (hasTabStop() && !getIsChrome())
-	{
-		setFocus(TRUE);
-	}
+	LLButton::handleMouseDown(x, y, mask);
 
 	toggleMenu();
 	
-	if (getSoundFlags() & MOUSE_DOWN)
-	{
-		make_ui_sound("UISndClick");
-	}
-
 	return TRUE;
 }
 
-void LLMenuButton::draw()
+void LLMenuButton::toggleMenu()
 {
-	//we save this off so next frame when we try to close it by 
-	//button click, and it hides menus before we get to it, we know
-	mMenuVisibleLastFrame = mMenu && mMenu->getVisible();
-	
-	if (mMenuVisibleLastFrame)
+	if(mMenuHandle.isDead()) return;
+
+	LLToggleableMenu* menu = dynamic_cast<LLToggleableMenu*>(mMenuHandle.get());
+	if (!menu) return;
+
+	// Store the button rectangle to toggle menu visibility if a mouse event
+	// occurred inside or outside the button rect.
+	menu->setButtonRect(this);
+
+	if (!menu->toggleVisibility() && mIsMenuShown)
 	{
+		setForcePressedState(false);
+		mIsMenuShown = false;
+	}
+	else
+	{
+		menu->buildDrawLabels();
+		menu->arrangeAndClear();
+		menu->updateParent(LLMenuGL::sMenuContainer);
+
+		updateMenuOrigin();
+
+		LLMenuGL::showPopup(getParent(), menu, mX, mY);
+
 		setForcePressedState(true);
+		mIsMenuShown = true;
 	}
+}
 
-	LLButton::draw();
+void LLMenuButton::updateMenuOrigin()
+{
+	if (mMenuHandle.isDead()) return;
+
+	LLRect rect = getRect();
 
-	setForcePressedState(false);
+	switch (mMenuPosition)
+	{
+		case MP_TOP_LEFT:
+		{
+			mX = rect.mLeft;
+			mY = rect.mTop + mMenuHandle.get()->getRect().getHeight();
+			break;
+		}
+		case MP_TOP_RIGHT:
+		{
+			const LLRect& menu_rect = mMenuHandle.get()->getRect();
+			mX = rect.mRight - menu_rect.getWidth();
+			mY = rect.mTop + menu_rect.getHeight();
+			break;
+		}
+		case MP_BOTTOM_LEFT:
+		{
+			mX = rect.mLeft;
+			mY = rect.mBottom;
+			break;
+		}
+	}
 }
 
+void LLMenuButton::onMenuVisibilityChange(const LLSD& param)
+{
+	bool new_visibility = param["visibility"].asBoolean();
+	bool is_closed_by_button_click = param["closed_by_button_click"].asBoolean();
+
+	// Reset the button "pressed" state only if the menu is shown by this particular
+	// menu button (not any other control) and is not being closed by a click on the button.
+	if (!new_visibility && !is_closed_by_button_click && mIsMenuShown)
+	{
+		setForcePressedState(false);
+		mIsMenuShown = false;
+	}
+}
diff --git a/indra/llui/llmenubutton.h b/indra/llui/llmenubutton.h
index 81ca0e047c..7b657595da 100644
--- a/indra/llui/llmenubutton.h
+++ b/indra/llui/llmenubutton.h
@@ -29,7 +29,7 @@
 
 #include "llbutton.h"
 
-class LLMenuGL;
+class LLToggleableMenu;
 
 class LLMenuButton
 : public LLButton
@@ -42,22 +42,42 @@ public:
 		Optional<std::string>	menu_filename;
 	
 		Params();
-	};	
+	};
+
+	typedef enum e_menu_position
+	{
+		MP_TOP_LEFT,
+		MP_TOP_RIGHT,
+		MP_BOTTOM_LEFT
+	} EMenuPosition;
 	
-	void toggleMenu();
-	/*virtual*/ void draw();
+	boost::signals2::connection setMouseDownCallback( const mouse_signal_t::slot_type& cb );
+
 	/*virtual*/ BOOL handleMouseDown(S32 x, S32 y, MASK mask);
 	/*virtual*/ BOOL handleKeyHere(KEY key, MASK mask );
+
 	void hideMenu();
-	LLMenuGL* getMenu() { return mMenu; }
+
+	LLToggleableMenu* getMenu();
+	void setMenu(LLToggleableMenu* menu, EMenuPosition position = MP_TOP_LEFT);
+
+	void setMenuPosition(EMenuPosition position) { mMenuPosition = position; }
 
 protected:
 	friend class LLUICtrlFactory;
 	LLMenuButton(const Params&);
 
+	void toggleMenu();
+	void updateMenuOrigin();
+
+	void onMenuVisibilityChange(const LLSD& param);
+
 private:
-	LLMenuGL*	mMenu;
-	bool mMenuVisibleLastFrame;
+	LLHandle<LLView>		mMenuHandle;
+	bool					mIsMenuShown;
+	EMenuPosition			mMenuPosition;
+	S32						mX;
+	S32						mY;
 };
 
 
diff --git a/indra/llui/llmenugl.cpp b/indra/llui/llmenugl.cpp
index 6d590cf54e..f0374de98f 100644
--- a/indra/llui/llmenugl.cpp
+++ b/indra/llui/llmenugl.cpp
@@ -1462,7 +1462,7 @@ BOOL LLMenuItemBranchDownGL::handleAcceleratorKey(KEY key, MASK mask)
 {
 	BOOL branch_visible = getBranch()->getVisible();
 	BOOL handled = getBranch()->handleAcceleratorKey(key, mask);
-	if (handled && !branch_visible && getVisible())
+	if (handled && !branch_visible && isInVisibleChain())
 	{
 		// flash this menu entry because we triggered an invisible menu item
 		LLMenuHolderGL::setActivatedItem(this);
@@ -1637,6 +1637,10 @@ LLMenuScrollItem::LLMenuScrollItem(const Params& p)
 	}
 
 	LLButton::Params bparams;
+
+	// Disabled the Return key handling by LLMenuScrollItem instead of
+	// passing the key press to the currently selected menu item. See STORM-385.
+	bparams.commit_on_return(false);
 	bparams.mouse_opaque(true);
 	bparams.scale_image(false);
 	bparams.click_callback(p.scroll_callback);
@@ -1848,89 +1852,110 @@ BOOL LLMenuGL::isOpen()
 	}
 }
 
-void LLMenuGL::scrollItemsUp()
+
+
+bool LLMenuGL::scrollItems(EScrollingDirection direction)
 {
-	// Slowing down the items scrolling when arrow button is held 
+	// Slowing down items scrolling when arrow button is held
 	if (mScrollItemsTimer.hasExpired() && NULL != mFirstVisibleItem)
 	{
 		mScrollItemsTimer.setTimerExpirySec(.033f);
 	}
 	else
 	{
-		return;
+		return false;
 	}
 
-	item_list_t::iterator cur_item_iter;
-	item_list_t::iterator prev_item_iter;
-	for (cur_item_iter = mItems.begin(), prev_item_iter = mItems.begin(); cur_item_iter != mItems.end(); cur_item_iter++)
+	switch (direction)
 	{
-		if( (*cur_item_iter) == mFirstVisibleItem)
+	case SD_UP:
+	{
+		item_list_t::iterator cur_item_iter;
+		item_list_t::iterator prev_item_iter;
+		for (cur_item_iter = mItems.begin(), prev_item_iter = mItems.begin(); cur_item_iter != mItems.end(); cur_item_iter++)
 		{
-			break;
+			if( (*cur_item_iter) == mFirstVisibleItem)
+			{
+				break;
+			}
+			if ((*cur_item_iter)->getVisible())
+			{
+				prev_item_iter = cur_item_iter;
+			}
 		}
-		if ((*cur_item_iter)->getVisible())
+
+		if ((*prev_item_iter)->getVisible())
 		{
-			prev_item_iter = cur_item_iter;
+			mFirstVisibleItem = *prev_item_iter;
 		}
+		break;
 	}
-
-	if ((*prev_item_iter)->getVisible())
+	case SD_DOWN:
 	{
-		mFirstVisibleItem = *prev_item_iter;
-	}
-	
-	mNeedsArrange = TRUE;
-	arrangeAndClear();
-}
-
-void LLMenuGL::scrollItemsDown()
-{
-	// Slowing down the items scrolling when arrow button is held 
-	if (mScrollItemsTimer.hasExpired())
-	{
-		mScrollItemsTimer.setTimerExpirySec(.033f);
-	}
-	else
-	{
-		return;
-	}
-	
-	if (NULL == mFirstVisibleItem)
-	{
-		mFirstVisibleItem = *mItems.begin();
-	}
-
-	item_list_t::iterator cur_item_iter;
-	
-	for (cur_item_iter = mItems.begin(); cur_item_iter != mItems.end(); cur_item_iter++)
-	{
-		if( (*cur_item_iter) == mFirstVisibleItem)
+		if (NULL == mFirstVisibleItem)
 		{
-			break;
+			mFirstVisibleItem = *mItems.begin();
 		}
-	}
 
-	item_list_t::iterator next_item_iter;
+		item_list_t::iterator cur_item_iter;
 
-	if (cur_item_iter != mItems.end())
-	{
-		for (next_item_iter = ++cur_item_iter; next_item_iter != mItems.end(); next_item_iter++)
+		for (cur_item_iter = mItems.begin(); cur_item_iter != mItems.end(); cur_item_iter++)
 		{
-			if( (*next_item_iter)->getVisible())
+			if( (*cur_item_iter) == mFirstVisibleItem)
 			{
 				break;
 			}
 		}
-		
-		if (next_item_iter != mItems.end() &&
-		    (*next_item_iter)->getVisible())
+
+		item_list_t::iterator next_item_iter;
+
+		if (cur_item_iter != mItems.end())
 		{
-			mFirstVisibleItem = *next_item_iter;
+			for (next_item_iter = ++cur_item_iter; next_item_iter != mItems.end(); next_item_iter++)
+			{
+				if( (*next_item_iter)->getVisible())
+				{
+					break;
+				}
+			}
+
+			if (next_item_iter != mItems.end() &&
+				(*next_item_iter)->getVisible())
+			{
+				mFirstVisibleItem = *next_item_iter;
+			}
 		}
+		break;
 	}
-	
+	case SD_BEGIN:
+	{
+		mFirstVisibleItem = *mItems.begin();
+		break;
+	}
+	case SD_END:
+	{
+		item_list_t::reverse_iterator first_visible_item_iter = mItems.rend();
+
+		// Need to scroll through number of actual existing items in menu.
+		// Otherwise viewer will hang for a time needed to scroll U32_MAX
+		// times in std::advance(). STORM-659.
+		size_t nitems = mItems.size();
+		U32 scrollable_items = nitems < mMaxScrollableItems ? nitems : mMaxScrollableItems;
+
+		// Advance by mMaxScrollableItems back from the end of the list
+		// to make the last item visible.
+		std::advance(first_visible_item_iter, scrollable_items);
+		mFirstVisibleItem = *first_visible_item_iter;
+		break;
+	}
+	default:
+		llwarns << "Unknown scrolling direction: " << direction << llendl;
+	}
+
 	mNeedsArrange = TRUE;
 	arrangeAndClear();
+
+	return true;
 }
 
 // rearrange the child rects so they fit the shape of the menu.
@@ -2162,7 +2187,7 @@ void LLMenuGL::arrange( void )
 					LLMenuScrollItem::Params item_params;
 					item_params.name(ARROW_UP);
 					item_params.arrow_type(LLMenuScrollItem::ARROW_UP);
-					item_params.scroll_callback.function(boost::bind(&LLMenuGL::scrollItemsUp, this));
+					item_params.scroll_callback.function(boost::bind(&LLMenuGL::scrollItems, this, SD_UP));
 
 					mArrowUpItem = LLUICtrlFactory::create<LLMenuScrollItem>(item_params);
 					LLUICtrl::addChild(mArrowUpItem);
@@ -2173,7 +2198,7 @@ void LLMenuGL::arrange( void )
 					LLMenuScrollItem::Params item_params;
 					item_params.name(ARROW_DOWN);
 					item_params.arrow_type(LLMenuScrollItem::ARROW_DOWN);
-					item_params.scroll_callback.function(boost::bind(&LLMenuGL::scrollItemsDown, this));
+					item_params.scroll_callback.function(boost::bind(&LLMenuGL::scrollItems, this, SD_DOWN));
 
 					mArrowDownItem = LLUICtrlFactory::create<LLMenuScrollItem>(item_params);
 					LLUICtrl::addChild(mArrowDownItem);				
@@ -2596,6 +2621,7 @@ LLMenuItemGL* LLMenuGL::getHighlightedItem()
 
 LLMenuItemGL* LLMenuGL::highlightNextItem(LLMenuItemGL* cur_item, BOOL skip_disabled)
 {
+	if (mItems.empty()) return NULL;
 	// highlighting first item on a torn off menu is the
 	// same as giving focus to it
 	if (!cur_item && getTornOff())
@@ -2603,14 +2629,8 @@ LLMenuItemGL* LLMenuGL::highlightNextItem(LLMenuItemGL* cur_item, BOOL skip_disa
 		((LLFloater*)getParent())->setFocus(TRUE);
 	}
 
-	item_list_t::iterator cur_item_iter;
-	for (cur_item_iter = mItems.begin(); cur_item_iter != mItems.end(); ++cur_item_iter)
-	{
-		if( (*cur_item_iter) == cur_item)
-		{
-			break;
-		}
-	}
+	// Current item position in the items list
+	item_list_t::iterator cur_item_iter = std::find(mItems.begin(), mItems.end(), cur_item);
 
 	item_list_t::iterator next_item_iter;
 	if (cur_item_iter == mItems.end())
@@ -2621,9 +2641,37 @@ LLMenuItemGL* LLMenuGL::highlightNextItem(LLMenuItemGL* cur_item, BOOL skip_disa
 	{
 		next_item_iter = cur_item_iter;
 		next_item_iter++;
+
+		// First visible item position in the items list
+		item_list_t::iterator first_visible_item_iter = std::find(mItems.begin(), mItems.end(), mFirstVisibleItem);
+
 		if (next_item_iter == mItems.end())
 		{
 			next_item_iter = mItems.begin();
+
+			// If current item is the last in the list, the menu is scrolled to the beginning
+			// and the first item is highlighted.
+			if (mScrollable && !scrollItems(SD_BEGIN))
+			{
+				return NULL;
+			}
+		}
+		// If current item is the last visible, the menu is scrolled one item down
+		// and the next item is highlighted.
+		else if (mScrollable &&
+				 (U32)std::abs(std::distance(first_visible_item_iter, next_item_iter)) >= mMaxScrollableItems)
+		{
+			// Call highlightNextItem() recursively only if the menu was successfully scrolled down.
+			// If scroll timer hasn't expired yet the menu won't be scrolled and calling
+			// highlightNextItem() will result in an endless recursion.
+			if (scrollItems(SD_DOWN))
+			{
+				return highlightNextItem(cur_item, skip_disabled);
+			}
+			else
+			{
+				return NULL;
+			}
 		}
 	}
 
@@ -2674,6 +2722,8 @@ LLMenuItemGL* LLMenuGL::highlightNextItem(LLMenuItemGL* cur_item, BOOL skip_disa
 
 LLMenuItemGL* LLMenuGL::highlightPrevItem(LLMenuItemGL* cur_item, BOOL skip_disabled)
 {
+	if (mItems.empty()) return NULL;
+
 	// highlighting first item on a torn off menu is the
 	// same as giving focus to it
 	if (!cur_item && getTornOff())
@@ -2681,14 +2731,8 @@ LLMenuItemGL* LLMenuGL::highlightPrevItem(LLMenuItemGL* cur_item, BOOL skip_disa
 		((LLFloater*)getParent())->setFocus(TRUE);
 	}
 
-	item_list_t::reverse_iterator cur_item_iter;
-	for (cur_item_iter = mItems.rbegin(); cur_item_iter != mItems.rend(); ++cur_item_iter)
-	{
-		if( (*cur_item_iter) == cur_item)
-		{
-			break;
-		}
-	}
+	// Current item reverse position from the end of the list
+	item_list_t::reverse_iterator cur_item_iter = std::find(mItems.rbegin(), mItems.rend(), cur_item);
 
 	item_list_t::reverse_iterator prev_item_iter;
 	if (cur_item_iter == mItems.rend())
@@ -2699,9 +2743,37 @@ LLMenuItemGL* LLMenuGL::highlightPrevItem(LLMenuItemGL* cur_item, BOOL skip_disa
 	{
 		prev_item_iter = cur_item_iter;
 		prev_item_iter++;
+
+		// First visible item reverse position in the items list
+		item_list_t::reverse_iterator first_visible_item_iter = std::find(mItems.rbegin(), mItems.rend(), mFirstVisibleItem);
+
 		if (prev_item_iter == mItems.rend())
 		{
 			prev_item_iter = mItems.rbegin();
+
+			// If current item is the first in the list, the menu is scrolled to the end
+			// and the last item is highlighted.
+			if (mScrollable && !scrollItems(SD_END))
+			{
+				return NULL;
+			}
+		}
+		// If current item is the first visible, the menu is scrolled one item up
+		// and the previous item is highlighted.
+		else if (mScrollable &&
+				 std::distance(first_visible_item_iter, cur_item_iter) <= 0)
+		{
+			// Call highlightNextItem() only if the menu was successfully scrolled up.
+			// If scroll timer hasn't expired yet the menu won't be scrolled and calling
+			// highlightNextItem() will result in an endless recursion.
+			if (scrollItems(SD_UP))
+			{
+				return highlightPrevItem(cur_item, skip_disabled);
+			}
+			else
+			{
+				return NULL;
+			}
 		}
 	}
 
@@ -2872,12 +2944,12 @@ BOOL LLMenuGL::handleScrollWheel( S32 x, S32 y, S32 clicks )
 	if( clicks > 0 )
 	{
 		while( clicks-- )
-			scrollItemsDown();
+			scrollItems(SD_DOWN);
 	}
 	else
 	{
 		while( clicks++ )
-			scrollItemsUp();
+			scrollItems(SD_UP);
 	}
 
 	return TRUE;
@@ -2986,6 +3058,11 @@ void LLMenuGL::showPopup(LLView* spawning_view, LLMenuGL* menu, S32 x, S32 y)
 	const S32 CURSOR_HEIGHT = 22;		// Approximate "normal" cursor size
 	const S32 CURSOR_WIDTH = 12;
 
+	if(menu->getChildList()->empty())
+	{
+		return;
+	}
+
 	// Save click point for detecting cursor moves before mouse-up.
 	// Must be in local coords to compare with mouseUp events.
 	// If the mouse doesn't move, the menu will stay open ala the Mac.
@@ -3066,7 +3143,10 @@ BOOL LLMenuBarGL::handleAcceleratorKey(KEY key, MASK mask)
 		mAltKeyTrigger = FALSE;
 	}
 
-	if(!result && (key == KEY_F10 && mask == MASK_CONTROL) && !gKeyboard->getKeyRepeated(key))
+	if(!result 
+		&& (key == KEY_F10 && mask == MASK_CONTROL) 
+		&& !gKeyboard->getKeyRepeated(key)
+		&& isInVisibleChain())
 	{
 		if (getHighlightedItem())
 		{
@@ -3449,8 +3529,10 @@ BOOL LLMenuHolderGL::handleKey(KEY key, MASK mask, BOOL called_from_parent)
 			else
 			{
 				//highlight first enabled one
-				pMenu->highlightNextItem(NULL);
-				handled = true;
+				if(pMenu->highlightNextItem(NULL))
+				{
+					handled = true;
+				}
 			}
 		}
 	}
@@ -3683,9 +3765,7 @@ public:
 	LLContextMenuBranch(const Params&);
 
 	virtual ~LLContextMenuBranch()
-	{
-		delete mBranch;
-	}
+	{}
 
 	// called to rebuild the draw label
 	virtual void	buildDrawLabel( void );
@@ -3693,21 +3773,21 @@ public:
 	// onCommit() - do the primary funcationality of the menu item.
 	virtual void	onCommit( void );
 
-	LLContextMenu*	getBranch() { return mBranch; }
+	LLContextMenu*	getBranch() { return mBranch.get(); }
 	void			setHighlight( BOOL highlight );
 
 protected:
 	void	showSubMenu();
 
-	LLContextMenu* mBranch;
+	LLHandle<LLContextMenu> mBranch;
 };
 
 LLContextMenuBranch::LLContextMenuBranch(const LLContextMenuBranch::Params& p) 
 :	LLMenuItemGL(p),
-	mBranch( p.branch )
+	mBranch( p.branch()->getHandle() )
 {
-	mBranch->hide();
-	mBranch->setParentMenuItem(this);
+	mBranch.get()->hide();
+	mBranch.get()->setParentMenuItem(this);
 }
 
 // called to rebuild the draw label
@@ -3716,12 +3796,12 @@ void LLContextMenuBranch::buildDrawLabel( void )
 	{
 		// default enablement is this -- if any of the subitems are
 		// enabled, this item is enabled. JC
-		U32 sub_count = mBranch->getItemCount();
+		U32 sub_count = mBranch.get()->getItemCount();
 		U32 i;
 		BOOL any_enabled = FALSE;
 		for (i = 0; i < sub_count; i++)
 		{
-			LLMenuItemGL* item = mBranch->getItem(i);
+			LLMenuItemGL* item = mBranch.get()->getItem(i);
 			item->buildDrawLabel();
 			if (item->getEnabled() && !item->getDrawTextDisabled() )
 			{
@@ -3743,13 +3823,13 @@ void LLContextMenuBranch::buildDrawLabel( void )
 
 void	LLContextMenuBranch::showSubMenu()
 {
-	LLMenuItemGL* menu_item = mBranch->getParentMenuItem();
+	LLMenuItemGL* menu_item = mBranch.get()->getParentMenuItem();
 	if (menu_item != NULL && menu_item->getVisible())
 	{
 		S32 center_x;
 		S32 center_y;
 		localPointToScreen(getRect().getWidth(), getRect().getHeight() , &center_x, &center_y);
-		mBranch->show(center_x, center_y);
+		mBranch.get()->show(center_x, center_y);
 	}
 }
 
@@ -3769,7 +3849,7 @@ void LLContextMenuBranch::setHighlight( BOOL highlight )
 	}
 	else
 	{
-		mBranch->hide();
+		mBranch.get()->hide();
 	}
 }
 
@@ -3800,6 +3880,11 @@ void LLContextMenu::setVisible(BOOL visible)
 // Takes cursor position in screen space?
 void LLContextMenu::show(S32 x, S32 y)
 {
+	if (getChildList()->empty())
+	{
+		// nothing to show, so abort
+		return;
+	}
 	// Save click point for detecting cursor moves before mouse-up.
 	// Must be in local coords to compare with mouseUp events.
 	// If the mouse doesn't move, the menu will stay open ala the Mac.
diff --git a/indra/llui/llmenugl.h b/indra/llui/llmenugl.h
index 19b738312e..7bde8e83ec 100644
--- a/indra/llui/llmenugl.h
+++ b/indra/llui/llmenugl.h
@@ -397,6 +397,15 @@ public:
 	static const std::string ARROW_UP;
 	static const std::string ARROW_DOWN;
 
+	// for scrollable menus
+	typedef enum e_scrolling_direction
+	{
+		SD_UP = 0,
+		SD_DOWN = 1,
+		SD_BEGIN = 2,
+		SD_END = 3
+	} EScrollingDirection;
+
 protected:
 	LLMenuGL(const LLMenuGL::Params& p);
 	friend class LLUICtrlFactory;
@@ -503,8 +512,7 @@ public:
 
 	S32 getShortcutPad() { return mShortcutPad; }
 
-	void scrollItemsUp();
-	void scrollItemsDown();
+	bool scrollItems(EScrollingDirection direction);
 	BOOL isScrollable() const { return mScrollable; }
 
 	static class LLMenuHolderGL* sMenuContainer;
@@ -670,9 +678,12 @@ public:
 
 			BOOL	appendContextSubMenu(LLContextMenu *menu);
 
+			LLHandle<LLContextMenu> getHandle() { mHandle.bind(this); return mHandle; }
+
 protected:
-	BOOL			mHoveredAnyItem;
-	LLMenuItemGL*	mHoverItem;
+	BOOL						mHoveredAnyItem;
+	LLMenuItemGL*				mHoverItem;
+	LLRootHandle<LLContextMenu>	mHandle;
 };
 
 
diff --git a/indra/llui/llnotifications.cpp b/indra/llui/llnotifications.cpp
index dd6c632d10..bdac125eb0 100644
--- a/indra/llui/llnotifications.cpp
+++ b/indra/llui/llnotifications.cpp
@@ -28,6 +28,7 @@
 
 #include "llnotifications.h"
 #include "llnotificationtemplate.h"
+#include "llnotificationvisibilityrule.h"
 
 #include "llavatarnamecache.h"
 #include "llinstantmessage.h"
@@ -64,7 +65,7 @@ LLNotificationForm::FormElementBase::FormElementBase()
 LLNotificationForm::FormIgnore::FormIgnore()
 :	text("text"),
 	control("control"),
-	invert_control("invert_control", true),
+	invert_control("invert_control", false),
 	save_option("save_option", false)
 {}
 
@@ -81,6 +82,7 @@ LLNotificationForm::FormButton::FormButton()
 
 LLNotificationForm::FormInput::FormInput()
 :	type("type"),
+	text("text"),
 	max_length_chars("max_length_chars"),
 	width("width", 0),
 	value("value")
@@ -137,12 +139,6 @@ private:
 
 bool filterIgnoredNotifications(LLNotificationPtr notification)
 {
-	// filter everything if we are to ignore ALL
-	if(LLNotifications::instance().getIgnoreAllNotifications())
-	{
-		return false;
-	}
-
 	LLNotificationFormPtr form = notification->getForm();
 	// Check to see if the user wants to ignore this alert
 	return !notification->getForm()->getIgnored();
@@ -177,6 +173,28 @@ bool handleIgnoredNotification(const LLSD& payload)
 	return false;
 }
 
+bool defaultResponse(const LLSD& payload)
+{
+	if (payload["sigtype"].asString() == "add")
+	{
+		LLNotificationPtr pNotif = LLNotifications::instance().find(payload["id"].asUUID());
+		if (pNotif) 
+		{
+			// supply default response
+			pNotif->respond(pNotif->getResponseTemplate(LLNotification::WITH_DEFAULT_BUTTON));
+		}
+	}
+	return false;
+}
+
+bool visibilityRuleMached(const LLSD& payload)
+{
+	// This is needed because LLNotifications::isVisibleByRules may have cancelled the notification.
+	// Returning true here makes LLNotificationChannelBase::updateItem do an early out, which prevents things from happening in the wrong order.
+	return true;
+}
+
+
 namespace LLNotificationFilters
 {
 	// a sample filter
@@ -194,7 +212,7 @@ LLNotificationForm::LLNotificationForm()
 
 LLNotificationForm::LLNotificationForm(const std::string& name, const LLNotificationForm::Params& p) 
 :	mIgnore(IGNORE_NO),
-	mInvertSetting(true) // ignore settings by default mean true=show, false=ignore
+	mInvertSetting(false) // ignore settings by default mean true=show, false=ignore
 {
 	if (p.ignore.isProvided())
 	{
@@ -219,7 +237,7 @@ LLNotificationForm::LLNotificationForm(const std::string& name, const LLNotifica
 		}
 		else
 		{
-			LLUI::sSettingGroups["ignores"]->declareBOOL(name, show_notification, "Ignore notification with this name", TRUE);
+			LLUI::sSettingGroups["ignores"]->declareBOOL(name, show_notification, "Show notification with this name", TRUE);
 			mIgnoreSetting = LLUI::sSettingGroups["ignores"]->getControl(name);
 		}
 	}
@@ -357,15 +375,15 @@ LLControlVariablePtr LLNotificationForm::getIgnoreSetting()
 
 bool LLNotificationForm::getIgnored()
 {
-	bool ignored = false;
+	bool show = true;
 	if (mIgnore != LLNotificationForm::IGNORE_NO
 		&& mIgnoreSetting) 
 	{
-		ignored = mIgnoreSetting->getValue().asBoolean();
-		if (mInvertSetting) ignored = !ignored;
+		show = mIgnoreSetting->getValue().asBoolean();
+		if (mInvertSetting) show = !show;
 	}
 
-	return ignored;
+	return !show;
 }
 
 void LLNotificationForm::setIgnored(bool ignored)
@@ -373,7 +391,7 @@ void LLNotificationForm::setIgnored(bool ignored)
 	if (mIgnoreSetting)
 	{
 		if (mInvertSetting) ignored = !ignored;
-		mIgnoreSetting->setValue(ignored);
+		mIgnoreSetting->setValue(!ignored);
 	}
 }
 
@@ -404,12 +422,49 @@ LLNotificationTemplate::LLNotificationTemplate(const LLNotificationTemplate::Par
 		it != end_it;
 		++it)
 	{
-		mUniqueContext.push_back(it->key);
+		mUniqueContext.push_back(it->value);
+	}
+	
+	lldebugs << "notification \"" << mName << "\": tag count is " << p.tags.size() << llendl;
+	
+	for(LLInitParam::ParamIterator<LLNotificationTemplate::Tag>::const_iterator it = p.tags.begin(),
+			end_it = p.tags.end();
+		it != end_it;
+		++it)
+	{
+		lldebugs << "    tag \"" << std::string(it->value) << "\"" << llendl;
+		mTags.push_back(it->value);
 	}
 
 	mForm = LLNotificationFormPtr(new LLNotificationForm(p.name, p.form_ref.form));
 }
 
+LLNotificationVisibilityRule::LLNotificationVisibilityRule(const LLNotificationVisibilityRule::Rule &p)
+{
+	if (p.show.isChosen())
+	{
+		mType = p.show.type;
+		mTag = p.show.tag;
+		mName = p.show.name;
+		mVisible = true;
+	}
+	else if (p.hide.isChosen())
+	{
+		mType = p.hide.type;
+		mTag = p.hide.tag;
+		mName = p.hide.name;
+		mVisible = false;
+	}
+	else if (p.respond.isChosen())
+	{
+		mType = p.respond.type;
+		mTag = p.respond.tag;
+		mName = p.respond.name;
+		mVisible = false;
+		mResponse = p.respond.response;
+	}
+}
+
 LLNotification::LLNotification(const LLNotification::Params& p) : 
 	mTimestamp(p.time_stamp), 
 	mSubstitutions(p.substitutions),
@@ -679,6 +734,25 @@ bool LLNotification::hasUniquenessConstraints() const
 	return (mTemplatep ? mTemplatep->mUnique : false);
 }
 
+bool LLNotification::matchesTag(const std::string& tag)
+{
+	bool result = false;
+	
+	if(mTemplatep)
+	{
+		std::list<std::string>::iterator it;
+		for(it = mTemplatep->mTags.begin(); it != mTemplatep->mTags.end(); it++)
+		{
+			if((*it) == tag)
+			{
+				result = true;
+				break;
+			}
+		}
+	}
+	
+	return result;
+}
 
 void LLNotification::setIgnored(bool ignore)
 {
@@ -719,13 +793,19 @@ bool LLNotification::isEquivalentTo(LLNotificationPtr that) const
 	{
 		const LLSD& these_substitutions = this->getSubstitutions();
 		const LLSD& those_substitutions = that->getSubstitutions();
+		const LLSD& this_payload = this->getPayload();
+		const LLSD& that_payload = that->getPayload();
 
 		// highlander bit sez there can only be one of these
 		for (std::vector<std::string>::const_iterator it = mTemplatep->mUniqueContext.begin(), end_it = mTemplatep->mUniqueContext.end();
 			it != end_it;
 			++it)
 		{
-			if (these_substitutions.get(*it).asString() != those_substitutions.get(*it).asString())
+			// if templates differ in either substitution strings or payload with the given field name
+			// then they are considered inequivalent
+			// use of get() avoids converting the LLSD value to a map as the [] operator would
+			if (these_substitutions.get(*it).asString() != those_substitutions.get(*it).asString()
+				|| this_payload.get(*it).asString() != that_payload.get(*it).asString())
 			{
 				return false;
 			}
@@ -1064,12 +1144,12 @@ std::string LLNotificationChannel::summarize()
 // LLNotifications implementation
 // ---
 LLNotifications::LLNotifications() : LLNotificationChannelBase(LLNotificationFilters::includeEverything,
-							       LLNotificationComparators::orderByUUID()),
-				     mIgnoreAllNotifications(false)
+															   LLNotificationComparators::orderByUUID()),
+									mIgnoreAllNotifications(false)
 {
 	LLUICtrl::CommitCallbackRegistry::currentRegistrar().add("Notification.Show", boost::bind(&LLNotifications::addFromCallback, this, _2));
-	
-	mListener.reset(new LLNotificationsListener(*this));
+
+    mListener.reset(new LLNotificationsListener(*this));
 }
 
 
@@ -1115,16 +1195,18 @@ bool LLNotifications::uniqueFilter(LLNotificationPtr pNotif)
 
 bool LLNotifications::uniqueHandler(const LLSD& payload)
 {
+	std::string cmd = payload["sigtype"];
+
 	LLNotificationPtr pNotif = LLNotifications::instance().find(payload["id"].asUUID());
 	if (pNotif && pNotif->hasUniquenessConstraints()) 
 	{
-		if (payload["sigtype"].asString() == "add")
+		if (cmd == "add")
 		{
 			// not a duplicate according to uniqueness criteria, so we keep it
 			// and store it for future uniqueness checks
 			mUniqueNotifications.insert(std::make_pair(pNotif->getName(), pNotif));
 		}
-		else if (payload["sigtype"].asString() == "delete")
+		else if (cmd == "delete")
 		{
 			mUniqueNotifications.erase(pNotif->getName());
 		}
@@ -1137,12 +1219,16 @@ bool LLNotifications::failedUniquenessTest(const LLSD& payload)
 {
 	LLNotificationPtr pNotif = LLNotifications::instance().find(payload["id"].asUUID());
 	
-	if (!pNotif || !pNotif->hasUniquenessConstraints())
+	std::string cmd = payload["sigtype"];
+
+	if (!pNotif || cmd != "add")
 	{
 		return false;
 	}
 
-	// checks against existing unique notifications
+	// Update the existing unique notification with the data from this particular instance...
+	// This guarantees that duplicate notifications will be collapsed to the one
+	// most recently triggered
 	for (LLNotificationMap::iterator existing_it = mUniqueNotifications.find(pNotif->getName());
 		existing_it != mUniqueNotifications.end();
 		++existing_it)
@@ -1155,7 +1241,7 @@ bool LLNotifications::failedUniquenessTest(const LLSD& payload)
 			// of this unique notification and update it
 			existing_notification->updateFrom(pNotif);
 			// then delete the new one
-			pNotif->cancel();
+			cancel(pNotif);
 		}
 	}
 
@@ -1184,6 +1270,7 @@ LLNotificationChannelPtr LLNotifications::getChannel(const std::string& channelN
 void LLNotifications::initSingleton()
 {
 	loadTemplates();
+	loadVisibilityRules();
 	createDefaultChannels();
 }
 
@@ -1191,15 +1278,19 @@ void LLNotifications::createDefaultChannels()
 {
 	// now construct the various channels AFTER loading the notifications,
 	// because the history channel is going to rewrite the stored notifications file
-	LLNotificationChannel::buildChannel("Expiration", "",
+	LLNotificationChannel::buildChannel("Enabled", "",
+		!boost::bind(&LLNotifications::getIgnoreAllNotifications, this));
+	LLNotificationChannel::buildChannel("Expiration", "Enabled",
 		boost::bind(&LLNotifications::expirationFilter, this, _1));
-	LLNotificationChannel::buildChannel("Unexpired", "",
+	LLNotificationChannel::buildChannel("Unexpired", "Enabled",
 		!boost::bind(&LLNotifications::expirationFilter, this, _1)); // use negated bind
 	LLNotificationChannel::buildChannel("Unique", "Unexpired",
 		boost::bind(&LLNotifications::uniqueFilter, this, _1));
 	LLNotificationChannel::buildChannel("Ignore", "Unique",
 		filterIgnoredNotifications);
-	LLNotificationChannel::buildChannel("Visible", "Ignore",
+	LLNotificationChannel::buildChannel("VisibilityRules", "Ignore",
+		boost::bind(&LLNotifications::isVisibleByRules, this, _1));
+	LLNotificationChannel::buildChannel("Visible", "VisibilityRules",
 		&LLNotificationFilters::includeEverything);
 
 	// create special persistent notification channel
@@ -1207,30 +1298,22 @@ void LLNotifications::createDefaultChannels()
 	new LLPersistentNotificationChannel();
 
 	// connect action methods to these channels
+	LLNotifications::instance().getChannel("Enabled")->
+		connectFailedFilter(&defaultResponse);
 	LLNotifications::instance().getChannel("Expiration")->
         connectChanged(boost::bind(&LLNotifications::expirationHandler, this, _1));
 	// uniqueHandler slot should be added as first slot of the signal due to
 	// usage LLStopWhenHandled combiner in LLStandardSignal
 	LLNotifications::instance().getChannel("Unique")->
         connectAtFrontChanged(boost::bind(&LLNotifications::uniqueHandler, this, _1));
-// failedUniquenessTest slot isn't necessary
-//	LLNotifications::instance().getChannel("Unique")->
-//        connectFailedFilter(boost::bind(&LLNotifications::failedUniquenessTest, this, _1));
+	LLNotifications::instance().getChannel("Unique")->
+        connectFailedFilter(boost::bind(&LLNotifications::failedUniquenessTest, this, _1));
 	LLNotifications::instance().getChannel("Ignore")->
 		connectFailedFilter(&handleIgnoredNotification);
+	LLNotifications::instance().getChannel("VisibilityRules")->
+		connectFailedFilter(&visibilityRuleMached);
 }
 
-bool LLNotifications::addTemplate(const std::string &name, 
-								  LLNotificationTemplatePtr theTemplate)
-{
-	if (mTemplates.count(name))
-	{
-		llwarns << "LLNotifications -- attempted to add template '" << name << "' twice." << llendl;
-		return false;
-	}
-	mTemplates[name] = theTemplate;
-	return true;
-}
 
 LLNotificationTemplatePtr LLNotifications::getTemplate(const std::string& name)
 {
@@ -1278,7 +1361,6 @@ LLNotifications::TemplateNames LLNotifications::getTemplateNames() const
 typedef std::map<std::string, std::string> StringMap;
 void replaceSubstitutionStrings(LLXMLNodePtr node, StringMap& replacements)
 {
-	//llwarns << "replaceSubstitutionStrings" << llendl;
 	// walk the list of attributes looking for replacements
 	for (LLXMLAttribList::iterator it=node->mAttributes.begin();
 		 it != node->mAttributes.end(); ++it)
@@ -1292,13 +1374,12 @@ void replaceSubstitutionStrings(LLXMLNodePtr node, StringMap& replacements)
 			if (found != replacements.end())
 			{
 				replacement = found->second;
-				//llwarns << "replaceSubstituionStrings: value: " << value << " repl: " << replacement << llendl;
-
+				lldebugs << "replaceSubstitutionStrings: value: \"" << value << "\" repl: \"" << replacement << "\"." << llendl;
 				it->second->setValue(replacement);
 			}
 			else
 			{
-				llwarns << "replaceSubstituionStrings FAILURE: value: " << value << " repl: " << replacement << llendl;
+				llwarns << "replaceSubstitutionStrings FAILURE: could not find replacement \"" << value << "\"." << llendl;
 			}
 		}
 	}
@@ -1329,23 +1410,47 @@ void replaceFormText(LLNotificationForm::Params& form, const std::string& patter
 	}
 }
 
+void addPathIfExists(const std::string& new_path, std::vector<std::string>& paths)
+{
+	if (gDirUtilp->fileExists(new_path))
+	{
+		paths.push_back(new_path);
+	}
+}
+
 bool LLNotifications::loadTemplates()
 {
-	const std::string xml_filename = "notifications.xml";
-	std::string full_filename = gDirUtilp->findSkinnedFilename(LLUI::getXUIPaths().front(), xml_filename);
+	std::vector<std::string> search_paths;
+	
+	std::string skin_relative_path = gDirUtilp->getDirDelimiter() + LLUI::getSkinPath() + gDirUtilp->getDirDelimiter() + "notifications.xml";
+	std::string localized_skin_relative_path = gDirUtilp->getDirDelimiter() + LLUI::getLocalizedSkinPath() + gDirUtilp->getDirDelimiter() + "notifications.xml";
+
+	addPathIfExists(gDirUtilp->getDefaultSkinDir() + skin_relative_path, search_paths);
+	addPathIfExists(gDirUtilp->getDefaultSkinDir() + localized_skin_relative_path, search_paths);
+	addPathIfExists(gDirUtilp->getSkinDir() + skin_relative_path, search_paths);
+	addPathIfExists(gDirUtilp->getSkinDir() + localized_skin_relative_path, search_paths);
+	addPathIfExists(gDirUtilp->getUserSkinDir() + skin_relative_path, search_paths);
+	addPathIfExists(gDirUtilp->getUserSkinDir() + localized_skin_relative_path, search_paths);
 
+	std::string base_filename = search_paths.front();
 	LLXMLNodePtr root;
-	BOOL success  = LLUICtrlFactory::getLayeredXMLNode(xml_filename, root);
+	BOOL success  = LLXMLNode::getLayeredXMLNode(root, search_paths);
 	
 	if (!success || root.isNull() || !root->hasName( "notifications" ))
 	{
-		llerrs << "Problem reading UI Notifications file: " << full_filename << llendl;
+		llerrs << "Problem reading UI Notifications file: " << base_filename << llendl;
 		return false;
 	}
 
 	LLNotificationTemplate::Notifications params;
 	LLXUIParser parser;
-	parser.readXUI(root, params, full_filename);
+	parser.readXUI(root, params, base_filename);
+
+	if(!params.validateBlock())
+	{
+		llerrs << "Problem reading UI Notifications file: " << base_filename << llendl;
+		return false;
+	}
 
 	mTemplates.clear();
 
@@ -1390,7 +1495,35 @@ bool LLNotifications::loadTemplates()
 				replaceFormText(it->form_ref.form, "$ignoretext", it->form_ref.form_template.ignore_text);
 			}
 		}
-		addTemplate(it->name, LLNotificationTemplatePtr(new LLNotificationTemplate(*it)));
+		mTemplates[it->name] = LLNotificationTemplatePtr(new LLNotificationTemplate(*it));
+	}
+
+	return true;
+}
+
+bool LLNotifications::loadVisibilityRules()
+{
+	const std::string xml_filename = "notification_visibility.xml";
+	std::string full_filename = gDirUtilp->findSkinnedFilename(LLUI::getXUIPaths().front(), xml_filename);
+
+	LLNotificationVisibilityRule::Rules params;
+	LLSimpleXUIParser parser;
+	parser.readXUI(full_filename, params);
+
+	if(!params.validateBlock())
+	{
+		llerrs << "Problem reading UI Notification Visibility Rules file: " << full_filename << llendl;
+		return false;
+	}
+
+	mVisibilityRules.clear();
+
+	for(LLInitParam::ParamIterator<LLNotificationVisibilityRule::Rule>::iterator it = params.rules.begin(), 
+			end_it = params.rules.end();
+		it != end_it;
+		++it)
+	{
+		mVisibilityRules.push_back(LLNotificationVisibilityRulePtr(new LLNotificationVisibilityRule(*it)));
 	}
 
 	return true;
@@ -1457,7 +1590,7 @@ void LLNotifications::add(const LLNotificationPtr pNotif)
 
 void LLNotifications::cancel(LLNotificationPtr pNotif)
 {
-	if (pNotif == NULL) return;
+	if (pNotif == NULL || pNotif->isCancelled()) return;
 
 	LLNotificationSet::iterator it=mItems.find(pNotif);
 	if (it == mItems.end())
@@ -1546,6 +1679,93 @@ bool LLNotifications::getIgnoreAllNotifications()
 	return mIgnoreAllNotifications; 
 }
 													
+bool LLNotifications::isVisibleByRules(LLNotificationPtr n)
+{
+	if(n->isRespondedTo())
+	{
+		// This avoids infinite recursion in the case where the filter calls respond()
+		return true;
+	}
+	
+	VisibilityRuleList::iterator it;
+	
+	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 
+			<< "notification \"" << n->getName() << "\" " 
+			<< "testing against " << ((*it)->mVisible?"show":"hide") << " rule, "
+			<< "name = \"" << (*it)->mName << "\" "
+			<< "tag = \"" << (*it)->mTag << "\" "
+			<< "type = \"" << (*it)->mType << "\" "
+			<< llendl;
+
+		if(!(*it)->mType.empty())
+		{
+			if((*it)->mType != n->getType())
+			{
+				// Type doesn't match, so skip this rule.
+				continue;
+			}
+		}
+		
+		if(!(*it)->mTag.empty())
+		{
+			// check this notification's tag(s) against it->mTag and continue if no match is found.
+			if(!n->matchesTag((*it)->mTag))
+			{
+				// This rule's non-empty tag didn't match one of the notification's tags.  Skip this rule.
+				continue;
+			}
+		}
+
+		if(!(*it)->mName.empty())
+		{
+			// check this notification's name against the notification's name and continue if no match is found.
+			if((*it)->mName != n->getName())
+			{
+				// This rule's non-empty name didn't match the notification.  Skip this rule.
+				continue;
+			}
+		}
+		
+		// If we got here, the rule matches.  Don't evaluate subsequent rules.
+		if(!(*it)->mVisible)
+		{
+			// This notification is being hidden.
+			
+			if((*it)->mResponse.empty())
+			{
+				// Response property is empty.  Cancel this notification.
+				lldebugs << "cancelling notification " << n->getName() << llendl;
+
+				cancel(n);
+			}
+			else
+			{
+				// Response property is not empty.  Return the specified response.
+				LLSD response = n->getResponseTemplate(LLNotification::WITHOUT_DEFAULT_BUTTON);
+				// 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;
+				
+				n->respond(response);
+			}
+
+			return false;
+		}
+		
+		// If we got here, exit the loop and return true.
+		break;
+	}
+	
+	lldebugs << "allowing notification " << n->getName() << llendl;
+
+	return true;
+}
+			
+
 // ---
 // END OF LLNotifications implementation
 // =========================================================
diff --git a/indra/llui/llnotifications.h b/indra/llui/llnotifications.h
index 524cff70e8..0c4d4fc897 100644
--- a/indra/llui/llnotifications.h
+++ b/indra/llui/llnotifications.h
@@ -195,6 +195,7 @@ public:
 		Mandatory<std::string>	type;
 		Optional<S32>			width;
 		Optional<S32>			max_length_chars;
+		Optional<std::string>	text;
 
 		Optional<std::string>	value;
 		FormInput();
@@ -270,6 +271,11 @@ struct LLNotificationTemplate;
 // with smart pointers
 typedef boost::shared_ptr<LLNotificationTemplate> LLNotificationTemplatePtr;
 
+
+struct LLNotificationVisibilityRule;
+
+typedef boost::shared_ptr<LLNotificationVisibilityRule> LLNotificationVisibilityRulePtr;
+
 /**
  * @class LLNotification
  * @brief The object that expresses the details of a notification
@@ -506,7 +512,7 @@ public:
 	std::string getLabel() const;
 	std::string getURL() const;
 	S32 getURLOption() const;
-	S32 getURLOpenExternally() const;
+    S32 getURLOpenExternally() const;
 	
 	const LLNotificationFormPtr getForm();
 
@@ -578,6 +584,8 @@ public:
 
 	bool hasUniquenessConstraints() const;
 
+	bool matchesTag(const std::string& tag);
+
 	virtual ~LLNotification() {}
 };
 
@@ -855,9 +863,14 @@ class LLNotifications :
 
 	friend class LLSingleton<LLNotifications>;
 public:
-	// load notification descriptions from file; 
+	// load all notification descriptions from file
+	// calling more than once will overwrite existing templates
+	// but never delete a template
+	bool loadTemplates();
+
+	// load visibility rules from file; 
 	// OK to call more than once because it will reload
-	bool loadTemplates();  
+	bool loadVisibilityRules();  
 	
 	// Add a simple notification (from XUI)
 	void addFromCallback(const LLSD& name);
@@ -904,6 +917,8 @@ public:
 	// test for existence
 	bool templateExists(const std::string& name);
 
+	typedef std::list<LLNotificationVisibilityRulePtr> VisibilityRuleList;
+	
 	void forceResponse(const LLNotification::Params& params, S32 option);
 
 	void createDefaultChannels();
@@ -919,6 +934,8 @@ public:
 	void setIgnoreAllNotifications(bool ignore);
 	bool getIgnoreAllNotifications();
 
+	bool isVisibleByRules(LLNotificationPtr pNotification);
+	
 private:
 	// we're a singleton, so we don't have a public constructor
 	LLNotifications();
@@ -934,10 +951,10 @@ private:
 	LLNotificationChannelPtr pHistoryChannel;
 	LLNotificationChannelPtr pExpirationChannel;
 	
-	// put your template in
-	bool addTemplate(const std::string& name, LLNotificationTemplatePtr theTemplate);
 	TemplateMap mTemplates;
 
+	VisibilityRuleList mVisibilityRules;
+
 	std::string mFileName;
 	
 	LLNotificationMap mUniqueNotifications;
diff --git a/indra/llui/llnotificationtemplate.h b/indra/llui/llnotificationtemplate.h
index 6bc0d2aaff..eff572b553 100644
--- a/indra/llui/llnotificationtemplate.h
+++ b/indra/llui/llnotificationtemplate.h
@@ -74,11 +74,13 @@ struct LLNotificationTemplate
 
 	struct UniquenessContext : public LLInitParam::Block<UniquenessContext>
 	{
-		Mandatory<std::string>	key;
+		Mandatory<std::string>	value;
 
 		UniquenessContext()
-		:	key("key")
-		{}
+		:	value("value")
+		{
+			addSynonym(value, "key");
+		}
 		
 	};
 
@@ -88,7 +90,7 @@ struct LLNotificationTemplate
 		// this idiom allows 
 		// <notification unique="true">
 		// as well as
-		// <notification> <unique> <context key=""/> </unique>...
+		// <notification> <unique> <context></context> </unique>...
 		Optional<bool>			dummy_val;
 	public:
 		Multiple<UniquenessContext>	contexts;
@@ -156,6 +158,15 @@ struct LLNotificationTemplate
 		{}
 	};
 
+	struct Tag : public LLInitParam::Block<Tag>
+	{
+		Mandatory<std::string>	value;
+
+		Tag()
+		:	value("value")
+		{}
+	};
+
 	struct Params : public LLInitParam::Block<Params>
 	{
 		Mandatory<std::string>			name;
@@ -173,6 +184,7 @@ struct LLNotificationTemplate
 		Optional<FormRef>				form_ref;
 		Optional<ENotificationPriority, 
 			NotificationPriorityValues> priority;
+		Multiple<Tag>		tags;
 
 
 		Params()
@@ -189,7 +201,8 @@ struct LLNotificationTemplate
 			expire_option("expireOption", -1),
 			url("url"),
 			unique("unique"),
-			form_ref("")
+			form_ref(""),
+			tags("tag")
 		{}
 
 	};
@@ -232,8 +245,8 @@ struct LLNotificationTemplate
     // (used for things like progress indications, or repeating warnings
     // like "the grid is going down in N minutes")
     bool mUnique;
-    // if we want to be unique only if a certain part of the payload is constant
-    // specify the field names for the payload. The notification will only be
+    // if we want to be unique only if a certain part of the payload or substitutions args
+	// are constant specify the field names for the payload. The notification will only be
     // combined if all of the fields named in the context are identical in the
     // new and the old notification; otherwise, the notification will be
     // duplicated. This is to support suppressing duplicate offers from the same
@@ -276,6 +289,8 @@ struct LLNotificationTemplate
 	// this is loaded as a name, but looked up to get the UUID upon template load.
 	// If null, it wasn't specified.
 	LLUUID mSoundEffect;
+	// List of tags that rules can match against.
+	std::list<std::string> mTags;
 };
 
 #endif //LL_LLNOTIFICATION_TEMPLATE_H
diff --git a/indra/llui/llnotificationvisibilityrule.h b/indra/llui/llnotificationvisibilityrule.h
new file mode 100644
index 0000000000..78bdec2a8f
--- /dev/null
+++ b/indra/llui/llnotificationvisibilityrule.h
@@ -0,0 +1,104 @@
+/**
+* @file llnotificationvisibility.h
+* @brief Rules for 
+* @author Monroe
+*
+* $LicenseInfo:firstyear=2010&license=viewerlgpl$
+* 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_LLNOTIFICATION_VISIBILITY_RULE_H
+#define LL_LLNOTIFICATION_VISIBILITY_RULE_H
+
+#include "llinitparam.h"
+//#include "llnotifications.h"
+
+
+
+// This is the class of object read from the XML file (notification_visibility.xml, 
+// from the appropriate local language directory).
+struct LLNotificationVisibilityRule
+{
+	struct Filter : public LLInitParam::Block<Filter>
+	{
+		Optional<std::string>	type,
+								tag,
+								name;
+
+		Filter()
+		:	type("type"),
+			tag("tag"),
+			name("name")
+		{}
+	};
+
+	struct Respond : public LLInitParam::Block<Respond, Filter>
+	{
+		Mandatory<std::string> response;
+
+		Respond()
+		:	response("response")
+		{}
+	};
+
+	struct Rule : public LLInitParam::Choice<Rule>
+	{
+		Alternative<Filter>		show;
+		Alternative<Filter>		hide;
+		Alternative<Respond>	respond;
+
+		Rule()
+		:	show("show"),
+			hide("hide"),
+			respond("respond")
+		{}
+	};
+
+	struct Rules : public LLInitParam::Block<Rules>
+	{
+		Multiple<Rule>	rules;
+
+		Rules()
+		:	rules("")
+		{}
+	};
+
+	LLNotificationVisibilityRule(const Rule& p);
+	
+    // If true, this rule makes matching notifications visible.  Otherwise, it makes them invisible.
+    bool mVisible;
+
+    // Which response to give when making a notification invisible.  An empty string means the notification should be cancelled instead of responded to.
+	std::string mResponse;
+
+    // String to match against the notification's "type".  An empty string matches all notifications.
+    std::string mType;
+	
+    // String to match against the notification's tag(s).  An empty string matches all notifications.
+	std::string mTag;
+
+    // String to match against the notification's name.  An empty string matches all notifications.
+	std::string mName;
+	
+};
+
+#endif //LL_LLNOTIFICATION_VISIBILITY_RULE_H
+
diff --git a/indra/llui/llpanel.cpp b/indra/llui/llpanel.cpp
index c8e56630f1..b2383106a8 100644
--- a/indra/llui/llpanel.cpp
+++ b/indra/llui/llpanel.cpp
@@ -194,6 +194,8 @@ void LLPanel::draw()
 	// draw background
 	if( mBgVisible )
 	{
+		alpha = getCurrentTransparency();
+
 		LLRect local_rect = getLocalRect();
 		if (mBgOpaque )
 		{
@@ -434,7 +436,7 @@ void LLPanel::initFromParams(const LLPanel::Params& p)
     //and LLView::initFromParams will use them to set visible and enabled  
 	setVisible(p.visible);
 	setEnabled(p.enabled);
-
+	setFocusRoot(p.focus_root);
 	setSoundFlags(p.sound_flags);
 
 	 // control_name, tab_stop, focus_lost_callback, initial_value, rect, enabled, visible
@@ -904,7 +906,7 @@ LLPanel *LLPanel::childGetVisiblePanelWithHelp()
 		child = *it;
 		// do we have a panel with a help topic?
 		LLPanel *panel = dynamic_cast<LLPanel *>(child);
-		if (panel && panel->getVisible() && !panel->getHelpTopic().empty())
+		if (panel && panel->isInVisibleChain() && !panel->getHelpTopic().empty())
 		{
 			return panel;
 		}
diff --git a/indra/llui/llprogressbar.cpp b/indra/llui/llprogressbar.cpp
index aaa328754d..ead22686bc 100644
--- a/indra/llui/llprogressbar.cpp
+++ b/indra/llui/llprogressbar.cpp
@@ -50,7 +50,7 @@ LLProgressBar::Params::Params()
 
 
 LLProgressBar::LLProgressBar(const LLProgressBar::Params& p) 
-:	LLView(p),
+:	LLUICtrl(p),
 	mImageBar(p.image_bar),
 	mImageFill(p.image_fill),
 	mColorBackground(p.color_bg()),
@@ -80,7 +80,7 @@ void LLProgressBar::draw()
 	mImageFill->draw(progress_rect, bar_color);
 }
 
-void LLProgressBar::setPercent(const F32 percent)
+void LLProgressBar::setValue(const LLSD& value)
 {
-	mPercentDone = llclamp(percent, 0.f, 100.f);
+	mPercentDone = llclamp((F32)value.asReal(), 0.f, 100.f);
 }
diff --git a/indra/llui/llprogressbar.h b/indra/llui/llprogressbar.h
index 13297f7493..3f308e7496 100644
--- a/indra/llui/llprogressbar.h
+++ b/indra/llui/llprogressbar.h
@@ -27,14 +27,14 @@
 #ifndef LL_LLPROGRESSBAR_H
 #define LL_LLPROGRESSBAR_H
 
-#include "llview.h"
+#include "lluictrl.h"
 #include "llframetimer.h"
 
 class LLProgressBar
-	: public LLView
+	: public LLUICtrl
 {
 public:
-	struct Params : public LLInitParam::Block<Params, LLView::Params>
+	struct Params : public LLInitParam::Block<Params, LLUICtrl::Params>
 	{
 		Optional<LLUIImage*>	image_bar,
 								image_fill;
@@ -47,7 +47,7 @@ public:
 	LLProgressBar(const Params&);
 	virtual ~LLProgressBar();
 
-	void setPercent(const F32 percent);
+	void setValue(const LLSD& value);
 
 	/*virtual*/ void draw();
 
diff --git a/indra/llui/llradiogroup.cpp b/indra/llui/llradiogroup.cpp
index cc348fdc63..3a12debf7e 100644
--- a/indra/llui/llradiogroup.cpp
+++ b/indra/llui/llradiogroup.cpp
@@ -69,7 +69,7 @@ protected:
 static LLWidgetNameRegistry::StaticRegistrar register_radio_item(&typeid(LLRadioGroup::ItemParams), "radio_item");
 
 LLRadioGroup::Params::Params()
-:	has_border("draw_border"),
+:	allow_deselect("allow_deselect"),
 	items("item") 
 {
 	addSynonym(items, "radio_item");
@@ -85,18 +85,8 @@ LLRadioGroup::LLRadioGroup(const LLRadioGroup::Params& p)
 :	LLUICtrl(p),
 	mFont(p.font.isProvided() ? p.font() : LLFontGL::getFontSansSerifSmall()),
 	mSelectedIndex(-1),
-	mHasBorder(p.has_border)
-{	
-	if (mHasBorder)
-	{
-		LLViewBorder::Params params;
-		params.name("radio group border");
-		params.rect(LLRect(0, getRect().getHeight(), getRect().getWidth(), 0));
-		params.bevel_style(LLViewBorder::BEVEL_NONE);
-		LLViewBorder * vb = LLUICtrlFactory::create<LLViewBorder> (params);
-		addChild (vb);
-	}
-}
+	mAllowDeselect(p.allow_deselect)
+{}
 
 void LLRadioGroup::initFromParams(const Params& p)
 {
@@ -184,7 +174,7 @@ void LLRadioGroup::setIndexEnabled(S32 index, BOOL enabled)
 
 BOOL LLRadioGroup::setSelectedIndex(S32 index, BOOL from_event)
 {
-	if (index < 0 || (S32)mRadioButtons.size() <= index )
+	if ((S32)mRadioButtons.size() <= index )
 	{
 		return FALSE;
 	}
@@ -202,13 +192,16 @@ BOOL LLRadioGroup::setSelectedIndex(S32 index, BOOL from_event)
 
 	mSelectedIndex = index;
 
-	LLRadioCtrl* radio_item = mRadioButtons[mSelectedIndex];
-	radio_item->setTabStop(true);
-	radio_item->setValue( TRUE );
-
-	if (hasFocus())
+	if (mSelectedIndex >= 0)
 	{
-		mRadioButtons[mSelectedIndex]->focusFirstItem(FALSE, FALSE);
+		LLRadioCtrl* radio_item = mRadioButtons[mSelectedIndex];
+		radio_item->setTabStop(true);
+		radio_item->setValue( TRUE );
+
+		if (hasFocus())
+		{
+			radio_item->focusFirstItem(FALSE, FALSE);
+		}
 	}
 
 	if (!from_event)
@@ -307,8 +300,15 @@ void LLRadioGroup::onClickButton(LLUICtrl* ctrl)
 		LLRadioCtrl* radio = *iter;
 		if (radio == clicked_radio)
 		{
-			// llinfos << "clicked button " << index << llendl;
-			setSelectedIndex(index);
+			if (index == mSelectedIndex && mAllowDeselect)
+			{
+				// don't select anything
+				setSelectedIndex(-1);
+			}
+			else
+			{
+				setSelectedIndex(index);
+			}
 			
 			// BUG: Calls click callback even if button didn't actually change
 			onCommit();
@@ -346,7 +346,7 @@ void LLRadioGroup::setValue( const LLSD& value )
 		}
 		else
 		{
-			llwarns << "LLRadioGroup::setValue: value not found: " << value.asString() << llendl;
+			setSelectedIndex(-1, TRUE);
 		}
 	}
 }
diff --git a/indra/llui/llradiogroup.h b/indra/llui/llradiogroup.h
index 0588900600..8bd5698538 100644
--- a/indra/llui/llradiogroup.h
+++ b/indra/llui/llradiogroup.h
@@ -49,7 +49,7 @@ public:
 
 	struct Params : public LLInitParam::Block<Params, LLUICtrl::Params>
 	{
-		Optional<bool>						has_border;
+		Optional<bool>						allow_deselect;
 		Multiple<ItemParams, AtLeast<1> >	items;
 		Params();
 	};
@@ -73,7 +73,6 @@ public:
 	void setIndexEnabled(S32 index, BOOL enabled);
 	// return the index value of the selected item
 	S32 getSelectedIndex() const { return mSelectedIndex; }
-	
 	// set the index value programatically
 	BOOL setSelectedIndex(S32 index, BOOL from_event = FALSE);
 
@@ -103,12 +102,13 @@ public:
 	/*virtual*/ BOOL	operateOnAll(EOperation op);
 
 private:
-	const LLFontGL* mFont;
-	S32 mSelectedIndex;
+	const LLFontGL*		mFont;
+	S32					mSelectedIndex;
+
 	typedef std::vector<class LLRadioCtrl*> button_list_t;
-	button_list_t mRadioButtons;
+	button_list_t		mRadioButtons;
 
-	BOOL mHasBorder;
+	bool				mAllowDeselect;	// user can click on an already selected option to deselect it
 };
 
 #endif
diff --git a/indra/llui/llscrollcontainer.cpp b/indra/llui/llscrollcontainer.cpp
index 3146418a7d..380c477eb2 100644
--- a/indra/llui/llscrollcontainer.cpp
+++ b/indra/llui/llscrollcontainer.cpp
@@ -422,9 +422,10 @@ void LLScrollContainer::draw()
 	// Draw background
 	if( mIsOpaque )
 	{
+		F32 alpha = getCurrentTransparency();
+
 		gGL.getTexUnit(0)->unbind(LLTexUnit::TT_TEXTURE);
-		gGL.color4fv( mBackgroundColor.get().mV );
-		gl_rect_2d( mInnerRect );
+		gl_rect_2d(mInnerRect, mBackgroundColor.get() % alpha);
 	}
 	
 	// Draw mScrolledViews and update scroll bars.
diff --git a/indra/llui/llscrolllistcolumn.cpp b/indra/llui/llscrolllistcolumn.cpp
index 2a4c1ca44c..696e4a2bb1 100644
--- a/indra/llui/llscrolllistcolumn.cpp
+++ b/indra/llui/llscrolllistcolumn.cpp
@@ -83,7 +83,14 @@ void LLScrollColumnHeader::draw()
 			&& (sort_column == mColumn->mSortingColumn || sort_column == mColumn->mName);
 
 	BOOL is_ascending = mColumn->mParentCtrl->getSortAscending();
-	setImageOverlay(is_ascending ? "up_arrow.tga" : "down_arrow.tga", LLFontGL::RIGHT, draw_arrow ? LLColor4::white : LLColor4::transparent);
+	if (draw_arrow)
+	{
+		setImageOverlay(is_ascending ? "up_arrow.tga" : "down_arrow.tga", LLFontGL::RIGHT, LLColor4::white);
+	}
+	else
+	{
+		setImageOverlay(LLUUID::null);
+	}
 
 	// Draw children
 	LLButton::draw();
diff --git a/indra/llui/llscrolllistctrl.cpp b/indra/llui/llscrolllistctrl.cpp
index 7df7c13dc0..b7848ec37c 100644
--- a/indra/llui/llscrolllistctrl.cpp
+++ b/indra/llui/llscrolllistctrl.cpp
@@ -322,6 +322,7 @@ LLScrollListCtrl::~LLScrollListCtrl()
 	delete mSortCallback;
 
 	std::for_each(mItemList.begin(), mItemList.end(), DeletePointer());
+	std::for_each(mColumns.begin(), mColumns.end(), DeletePairedPointer());
 }
 
 
@@ -1482,8 +1483,9 @@ void LLScrollListCtrl::draw()
 	// Draw background
 	if (mBackgroundVisible)
 	{
+		F32 alpha = getCurrentTransparency();
 		gGL.getTexUnit(0)->unbind(LLTexUnit::TT_TEXTURE);
-		gl_rect_2d(background, getEnabled() ? mBgWriteableColor.get() : mBgReadOnlyColor.get() );
+		gl_rect_2d(background, getEnabled() ? mBgWriteableColor.get() % alpha : mBgReadOnlyColor.get() % alpha );
 	}
 
 	if (mColumnsDirty)
@@ -2370,10 +2372,10 @@ void LLScrollListCtrl::onScrollChange( S32 new_pos, LLScrollbar* scrollbar )
 
 void LLScrollListCtrl::sortByColumn(const std::string& name, BOOL ascending)
 {
-	std::map<std::string, LLScrollListColumn>::iterator itor = mColumns.find(name);
+	column_map_t::iterator itor = mColumns.find(name);
 	if (itor != mColumns.end())
 	{
-		sortByColumnIndex((*itor).second.mIndex, ascending);
+		sortByColumnIndex((*itor).second->mIndex, ascending);
 	}
 }
 
@@ -2419,11 +2421,11 @@ void LLScrollListCtrl::dirtyColumns()
 	// just in case someone indexes into it immediately
 	mColumnsIndexed.resize(mColumns.size());
 
-	std::map<std::string, LLScrollListColumn>::iterator column_itor;
+	column_map_t::iterator column_itor;
 	for (column_itor = mColumns.begin(); column_itor != mColumns.end(); ++column_itor)
 	{
-		LLScrollListColumn *column = &column_itor->second;
-		mColumnsIndexed[column_itor->second.mIndex] = column;
+		LLScrollListColumn *column = column_itor->second;
+		mColumnsIndexed[column_itor->second->mIndex] = column;
 	}
 }
 
@@ -2581,8 +2583,8 @@ void LLScrollListCtrl::addColumn(const LLScrollListColumn::Params& column_params
 	if (mColumns.find(name) == mColumns.end())
 	{
 		// Add column
-		mColumns[name] = LLScrollListColumn(column_params, this);
-		LLScrollListColumn* new_column = &mColumns[name];
+		mColumns[name] = new LLScrollListColumn(column_params, this);
+		LLScrollListColumn* new_column = mColumns[name];
 		new_column->mIndex = mColumns.size()-1;
 
 		// Add button
@@ -2604,14 +2606,14 @@ void LLScrollListCtrl::addColumn(const LLScrollListColumn::Params& column_params
 			S32 top = mItemListRect.mTop;
 
 			S32 left = mItemListRect.mLeft;
-			for (std::map<std::string, LLScrollListColumn>::iterator itor = mColumns.begin(); 
+			for (column_map_t::iterator itor = mColumns.begin(); 
 				itor != mColumns.end(); 
 				++itor)
 			{
-				if (itor->second.mIndex < new_column->mIndex &&
-					itor->second.getWidth() > 0)
+				if (itor->second->mIndex < new_column->mIndex &&
+					itor->second->getWidth() > 0)
 				{
-					left += itor->second.getWidth() + mColumnPadding;
+					left += itor->second->getWidth() + mColumnPadding;
 				}
 			}
 
@@ -2667,8 +2669,8 @@ void LLScrollListCtrl::onClickColumn(void *userdata)
 	if (column->mSortingColumn != column->mName
 		&& parent->mColumns.find(column->mSortingColumn) != parent->mColumns.end())
 	{
-		LLScrollListColumn& info_redir = parent->mColumns[column->mSortingColumn];
-		column_index = info_redir.mIndex;
+		LLScrollListColumn* info_redir = parent->mColumns[column->mSortingColumn];
+		column_index = info_redir->mIndex;
 	}
 
 	// if this column is the primary sort key, reverse the direction
@@ -2701,16 +2703,17 @@ BOOL LLScrollListCtrl::hasSortOrder() const
 
 void LLScrollListCtrl::clearColumns()
 {
-	std::map<std::string, LLScrollListColumn>::iterator itor;
+	column_map_t::iterator itor;
 	for (itor = mColumns.begin(); itor != mColumns.end(); ++itor)
 	{
-		LLScrollColumnHeader *header = itor->second.mHeader;
+		LLScrollColumnHeader *header = itor->second->mHeader;
 		if (header)
 		{
 			removeChild(header);
 			delete header;
 		}
 	}
+	std::for_each(mColumns.begin(), mColumns.end(), DeletePairedPointer());
 	mColumns.clear();
 	mSortColumns.clear();
 	mTotalStaticColumnWidth = 0;
@@ -2744,7 +2747,7 @@ LLScrollListColumn* LLScrollListCtrl::getColumn(const std::string& name)
 	column_map_t::iterator column_itor = mColumns.find(name);
 	if (column_itor != mColumns.end()) 
 	{
-		return &column_itor->second;
+		return column_itor->second;
 	}
 	return NULL;
 }
@@ -2805,7 +2808,7 @@ LLScrollListItem* LLScrollListCtrl::addRow(LLScrollListItem *new_item, const LLS
 				new_column.width.pixel_width = cell_p.width;
 			}
 			addColumn(new_column);
-			columnp = &mColumns[column];
+			columnp = mColumns[column];
 			new_item->setNumColumns(mColumns.size());
 		}
 
@@ -2842,7 +2845,7 @@ LLScrollListItem* LLScrollListCtrl::addRow(LLScrollListItem *new_item, const LLS
 		LLScrollListCell* cell = LLScrollListCell::create(LLScrollListCell::Params().value(item_p.value));
 		if (cell)
 		{
-			LLScrollListColumn* columnp = &(mColumns.begin()->second);
+			LLScrollListColumn* columnp = mColumns.begin()->second;
 
 			new_item->setColumn(0, cell);
 			if (columnp->mHeader 
@@ -2857,10 +2860,10 @@ LLScrollListItem* LLScrollListCtrl::addRow(LLScrollListItem *new_item, const LLS
 	// add dummy cells for missing columns
 	for (column_map_t::iterator column_it = mColumns.begin(); column_it != mColumns.end(); ++column_it)
 	{
-		S32 column_idx = column_it->second.mIndex;
+		S32 column_idx = column_it->second->mIndex;
 		if (new_item->getColumn(column_idx) == NULL)
 		{
-			LLScrollListColumn* column_ptr = &column_it->second;
+			LLScrollListColumn* column_ptr = column_it->second;
 			LLScrollListCell::Params cell_p;
 			cell_p.width = column_ptr->getWidth();
 			
diff --git a/indra/llui/llscrolllistctrl.h b/indra/llui/llscrolllistctrl.h
index 8a2f893ba2..09ab89960d 100644
--- a/indra/llui/llscrolllistctrl.h
+++ b/indra/llui/llscrolllistctrl.h
@@ -491,7 +491,7 @@ private:
 
 	mutable bool	mSorted;
 	
-	typedef std::map<std::string, LLScrollListColumn> column_map_t;
+	typedef std::map<std::string, LLScrollListColumn*> column_map_t;
 	column_map_t mColumns;
 
 	BOOL			mDirty;
diff --git a/indra/llui/llsdparam.cpp b/indra/llui/llsdparam.cpp
index f97f80ab6c..9ad13054cb 100644
--- a/indra/llui/llsdparam.cpp
+++ b/indra/llui/llsdparam.cpp
@@ -45,6 +45,7 @@ LLParamSDParser::LLParamSDParser()
 
 	if (sReadFuncs.empty())
 	{
+		registerParserFuncs<LLInitParam::NoParamValue>(readNoValue, &LLParamSDParser::writeNoValue);
 		registerParserFuncs<S32>(readS32, &LLParamSDParser::writeTypedValue<S32>);
 		registerParserFuncs<U32>(readU32, &LLParamSDParser::writeU32Param);
 		registerParserFuncs<F32>(readF32, &LLParamSDParser::writeTypedValue<F32>);
@@ -71,6 +72,18 @@ bool LLParamSDParser::writeU32Param(LLParamSDParser::parser_t& parser, const voi
 	return true;
 }
 
+bool LLParamSDParser::writeNoValue(LLParamSDParser::parser_t& parser, const void* val_ptr, const parser_t::name_stack_t& name_stack)
+{
+	LLParamSDParser& sdparser = static_cast<LLParamSDParser&>(parser);
+	if (!sdparser.mWriteRootSD) return false;
+
+	LLSD* sd_to_write = sdparser.getSDWriteNode(name_stack);
+	if (!sd_to_write) return false;
+
+	return true;
+}
+
+
 void LLParamSDParser::readSD(const LLSD& sd, LLInitParam::BaseBlock& block, bool silent)
 {
 	mCurReadSD = NULL;
@@ -87,6 +100,8 @@ void LLParamSDParser::writeSD(LLSD& sd, const LLInitParam::BaseBlock& block)
 	block.serializeBlock(*this);
 }
 
+const LLSD NO_VALUE_MARKER;
+
 void LLParamSDParser::readSDValues(const LLSD& sd, LLInitParam::BaseBlock& block)
 {
 	if (sd.isMap())
@@ -110,6 +125,11 @@ void LLParamSDParser::readSDValues(const LLSD& sd, LLInitParam::BaseBlock& block
 			readSDValues(*it, block);
 		}
 	}
+	else if (sd.isUndefined())
+	{
+		mCurReadSD = &NO_VALUE_MARKER;
+		block.submitValue(mNameStack, *this);
+	}
 	else
 	{
 		mCurReadSD = &sd;
@@ -206,6 +226,13 @@ LLSD* LLParamSDParser::getSDWriteNode(const parser_t::name_stack_t& name_stack)
 	return sd_to_write;
 }
 
+bool LLParamSDParser::readNoValue(Parser& parser, void* val_ptr)
+{
+	LLParamSDParser& self = static_cast<LLParamSDParser&>(parser);
+	return self.mCurReadSD == &NO_VALUE_MARKER;
+}
+
+
 bool LLParamSDParser::readS32(Parser& parser, void* val_ptr)
 {
 	LLParamSDParser& self = static_cast<LLParamSDParser&>(parser);
diff --git a/indra/llui/llsdparam.h b/indra/llui/llsdparam.h
index 97e8b58e49..69dab2b411 100644
--- a/indra/llui/llsdparam.h
+++ b/indra/llui/llsdparam.h
@@ -63,7 +63,9 @@ private:
 	LLSD* getSDWriteNode(const parser_t::name_stack_t& name_stack);
 
 	static bool writeU32Param(Parser& parser, const void* value_ptr, const parser_t::name_stack_t& name_stack);
+	static bool writeNoValue(Parser& parser, const void* value_ptr, const parser_t::name_stack_t& name_stack);
 
+	static bool readNoValue(Parser& parser, void* val_ptr);
 	static bool readS32(Parser& parser, void* val_ptr);
 	static bool readU32(Parser& parser, void* val_ptr);
 	static bool readF32(Parser& parser, void* val_ptr);
diff --git a/indra/llui/lltextbase.cpp b/indra/llui/lltextbase.cpp
index 9adeddca99..49537ef78f 100644
--- a/indra/llui/lltextbase.cpp
+++ b/indra/llui/lltextbase.cpp
@@ -1005,6 +1005,7 @@ void LLTextBase::draw()
 
 	if (mBGVisible)
 	{
+		F32 alpha = getCurrentTransparency();
 		// clip background rect against extents, if we support scrolling
 		LLRect bg_rect = mVisibleTextRect;
 		if (mScroller)
@@ -1016,7 +1017,7 @@ void LLTextBase::draw()
 							: hasFocus() 
 								? mFocusBgColor.get() 
 								: mWriteableBgColor.get();
-		gl_rect_2d(doc_rect, bg_color, TRUE);
+		gl_rect_2d(doc_rect, bg_color % alpha, TRUE);
 	}
 
 	// draw document view
@@ -1591,7 +1592,10 @@ void LLTextBase::setText(const LLStringExplicit &utf8str, const LLStyle::Params&
 	// appendText modifies mCursorPos...
 	appendText(text, false, input_params);
 	// ...so move cursor to top after appending text
-	startOfDoc();
+	if (!mTrackEnd)
+	{
+		startOfDoc();
+	}
 
 	onValueChange(0, getLength());
 }
@@ -1622,7 +1626,7 @@ void LLTextBase::appendTextImpl(const std::string &new_text, const LLStyle::Para
 	style_params.fillFrom(getDefaultStyleParams());
 
 	S32 part = (S32)LLTextParser::WHOLE;
-	if(mParseHTML)
+	if (mParseHTML && !style_params.is_link) // Don't search for URLs inside a link segment (STORM-358).
 	{
 		S32 start=0,end=0;
 		LLUrlMatch match;
@@ -2214,19 +2218,39 @@ bool LLTextBase::scrolledToEnd()
 	return mScroller->isAtBottom();
 }
 
-
 bool LLTextBase::setCursor(S32 row, S32 column)
 {
-	if (0 <= row && row < (S32)mLineInfoList.size())
+	if (row < 0 || column < 0) return false;
+
+	S32 n_lines = mLineInfoList.size();
+	for (S32 line = row; line < n_lines; ++line)
 	{
-		S32 doc_pos = mLineInfoList[row].mDocIndexStart;
-		column = llclamp(column, 0, mLineInfoList[row].mDocIndexEnd - mLineInfoList[row].mDocIndexStart - 1);
-		doc_pos += column;
-		updateCursorXPos();
+		const line_info& li = mLineInfoList[line];
+
+		if (li.mLineNum < row)
+		{
+			continue;
+		}
+		else if (li.mLineNum > row)
+		{
+			break; // invalid column specified
+		}
+
+		// Found the given row.
+		S32 line_length = li.mDocIndexEnd - li.mDocIndexStart;;
+		if (column >= line_length)
+		{
+			column -= line_length;
+			continue;
+		}
 
+		// Found the given column.
+		updateCursorXPos();
+		S32 doc_pos = li.mDocIndexStart + column;
 		return setCursorPos(doc_pos);
 	}
-	return false;
+
+	return false; // invalid row or column specified
 }
 
 
diff --git a/indra/llui/lltexteditor.cpp b/indra/llui/lltexteditor.cpp
index 94bf716e7d..5a46c7c98e 100644
--- a/indra/llui/lltexteditor.cpp
+++ b/indra/llui/lltexteditor.cpp
@@ -277,6 +277,8 @@ LLTextEditor::LLTextEditor(const LLTextEditor::Params& p) :
 		mHPad += UI_TEXTEDITOR_LINE_NUMBER_MARGIN;
 		updateRects();
 	}
+	
+	mParseOnTheFly = TRUE;
 }
 
 void LLTextEditor::initFromParams( const LLTextEditor::Params& p)
@@ -324,8 +326,10 @@ void LLTextEditor::setText(const LLStringExplicit &utf8str, const LLStyle::Param
 
 	blockUndo();
 	deselect();
-
+	
+	mParseOnTheFly = FALSE;
 	LLTextBase::setText(utf8str, input_params);
+	mParseOnTheFly = TRUE;
 
 	resetDirty();
 }
@@ -1367,6 +1371,7 @@ void LLTextEditor::pastePrimary()
 // paste from primary (itsprimary==true) or clipboard (itsprimary==false)
 void LLTextEditor::pasteHelper(bool is_primary)
 {
+	mParseOnTheFly = FALSE;
 	bool can_paste_it;
 	if (is_primary)
 	{
@@ -1450,6 +1455,7 @@ void LLTextEditor::pasteHelper(bool is_primary)
 	deselect();
 
 	onKeyStroke();
+	mParseOnTheFly = TRUE;
 }
 
 
@@ -2385,7 +2391,7 @@ void LLTextEditor::loadKeywords(const std::string& filename,
 
 void LLTextEditor::updateSegments()
 {
-	if (mReflowIndex < S32_MAX && mKeywords.isLoaded())
+	if (mReflowIndex < S32_MAX && mKeywords.isLoaded() && mParseOnTheFly)
 	{
 		LLFastTimer ft(FTM_SYNTAX_HIGHLIGHTING);
 		// HACK:  No non-ascii keywords for now
diff --git a/indra/llui/lltexteditor.h b/indra/llui/lltexteditor.h
index 58ecefdccb..9e4b95003b 100644
--- a/indra/llui/lltexteditor.h
+++ b/indra/llui/lltexteditor.h
@@ -315,6 +315,7 @@ private:
 
 	BOOL			mAllowEmbeddedItems;
 	bool			mShowContextMenu;
+	bool			mParseOnTheFly;
 
 	LLUUID			mSourceID;
 
diff --git a/indra/llui/lltoggleablemenu.cpp b/indra/llui/lltoggleablemenu.cpp
index 0eb2dc1387..d29260750f 100644
--- a/indra/llui/lltoggleablemenu.cpp
+++ b/indra/llui/lltoggleablemenu.cpp
@@ -35,10 +35,22 @@ static LLDefaultChildRegistry::Register<LLToggleableMenu> r("toggleable_menu");
 LLToggleableMenu::LLToggleableMenu(const LLToggleableMenu::Params& p)
 :	LLMenuGL(p),
 	mButtonRect(),
+	mVisibilityChangeSignal(NULL),
 	mClosedByButtonClick(false)
 {
 }
 
+LLToggleableMenu::~LLToggleableMenu()
+{
+	delete mVisibilityChangeSignal;
+}
+
+boost::signals2::connection LLToggleableMenu::setVisibilityChangeCallback(const commit_signal_t::slot_type& cb)
+{
+	if (!mVisibilityChangeSignal) mVisibilityChangeSignal = new commit_signal_t();
+	return mVisibilityChangeSignal->connect(cb);
+}
+
 // virtual
 void LLToggleableMenu::handleVisibilityChange (BOOL curVisibilityIn)
 {
@@ -49,6 +61,12 @@ void LLToggleableMenu::handleVisibilityChange (BOOL curVisibilityIn)
 	{
 		mClosedByButtonClick = true;
 	}
+
+	if (mVisibilityChangeSignal)
+	{
+		(*mVisibilityChangeSignal)(this,
+				LLSD().with("visibility", curVisibilityIn).with("closed_by_button_click", mClosedByButtonClick));
+	}
 }
 
 void LLToggleableMenu::setButtonRect(const LLRect& rect, LLView* current_view)
diff --git a/indra/llui/lltoggleablemenu.h b/indra/llui/lltoggleablemenu.h
index f036cdfffb..2094bd776f 100644
--- a/indra/llui/lltoggleablemenu.h
+++ b/indra/llui/lltoggleablemenu.h
@@ -41,6 +41,10 @@ protected:
 	LLToggleableMenu(const Params&);
 	friend class LLUICtrlFactory;
 public:
+	~LLToggleableMenu();
+
+	boost::signals2::connection setVisibilityChangeCallback( const commit_signal_t::slot_type& cb );
+
 	virtual void handleVisibilityChange (BOOL curVisibilityIn);
 
 	const LLRect& getButtonRect() const { return mButtonRect; }
@@ -57,6 +61,7 @@ public:
 protected:
 	bool mClosedByButtonClick;
 	LLRect mButtonRect;
+	commit_signal_t*	mVisibilityChangeSignal;
 };
 
 #endif // LL_LLTOGGLEABLEMENU_H
diff --git a/indra/llui/llui.cpp b/indra/llui/llui.cpp
index ff9af21e54..c300fe55d9 100644
--- a/indra/llui/llui.cpp
+++ b/indra/llui/llui.cpp
@@ -950,7 +950,7 @@ void gl_ring( F32 radius, F32 width, const LLColor4& center_color, const LLColor
 }
 
 // Draw gray and white checkerboard with black border
-void gl_rect_2d_checkerboard(const LLRect& rect)
+void gl_rect_2d_checkerboard(const LLRect& rect, GLfloat alpha)
 {
 	// Initialize the first time this is called.
 	const S32 PIXELS = 32;
@@ -971,11 +971,11 @@ void gl_rect_2d_checkerboard(const LLRect& rect)
 	gGL.getTexUnit(0)->unbind(LLTexUnit::TT_TEXTURE);
 
 	// ...white squares
-	gGL.color3f( 1.f, 1.f, 1.f );
+	gGL.color4f( 1.f, 1.f, 1.f, alpha );
 	gl_rect_2d(rect);
 
 	// ...gray squares
-	gGL.color3f( .7f, .7f, .7f );
+	gGL.color4f( .7f, .7f, .7f, alpha );
 	gGL.flush();
 	glPolygonStipple( checkerboard );
 
@@ -1596,23 +1596,25 @@ void LLUI::initClass(const settings_map_t& settings,
 	sWindow = NULL; // set later in startup
 	LLFontGL::sShadowColor = LLUIColorTable::instance().getColor("ColorDropShadow");
 
+	LLUICtrl::CommitCallbackRegistry::Registrar& reg = LLUICtrl::CommitCallbackRegistry::defaultRegistrar();
+
 	// Callbacks for associating controls with floater visibilty:
-	LLUICtrl::CommitCallbackRegistry::defaultRegistrar().add("Floater.Toggle", boost::bind(&LLFloaterReg::toggleFloaterInstance, _2));
-	LLUICtrl::CommitCallbackRegistry::defaultRegistrar().add("Floater.Show", boost::bind(&LLFloaterReg::showFloaterInstance, _2));
-	LLUICtrl::CommitCallbackRegistry::defaultRegistrar().add("Floater.Hide", boost::bind(&LLFloaterReg::hideFloaterInstance, _2));
-	LLUICtrl::CommitCallbackRegistry::defaultRegistrar().add("Floater.InitToVisibilityControl", boost::bind(&LLFloaterReg::initUICtrlToFloaterVisibilityControl, _1, _2));
+	reg.add("Floater.Toggle", boost::bind(&LLFloaterReg::toggleFloaterInstance, _2));
+	reg.add("Floater.Show", boost::bind(&LLFloaterReg::showFloaterInstance, _2));
+	reg.add("Floater.Hide", boost::bind(&LLFloaterReg::hideFloaterInstance, _2));
+	reg.add("Floater.InitToVisibilityControl", boost::bind(&LLFloaterReg::initUICtrlToFloaterVisibilityControl, _1, _2));
 	
 	// Button initialization callback for toggle buttons
-	LLUICtrl::CommitCallbackRegistry::defaultRegistrar().add("Button.SetFloaterToggle", boost::bind(&LLButton::setFloaterToggle, _1, _2));
+	reg.add("Button.SetFloaterToggle", boost::bind(&LLButton::setFloaterToggle, _1, _2));
 	
 	// Button initialization callback for toggle buttons on dockale floaters
-	LLUICtrl::CommitCallbackRegistry::defaultRegistrar().add("Button.SetDockableFloaterToggle", boost::bind(&LLButton::setDockableFloaterToggle, _1, _2));
+	reg.add("Button.SetDockableFloaterToggle", boost::bind(&LLButton::setDockableFloaterToggle, _1, _2));
 
 	// Display the help topic for the current context
-	LLUICtrl::CommitCallbackRegistry::defaultRegistrar().add("Button.ShowHelp", boost::bind(&LLButton::showHelp, _1, _2));
+	reg.add("Button.ShowHelp", boost::bind(&LLButton::showHelp, _1, _2));
 
 	// Currently unused, but kept for reference:
-	LLUICtrl::CommitCallbackRegistry::defaultRegistrar().add("Button.ToggleFloater", boost::bind(&LLButton::toggleFloaterAndSetToggleState, _1, _2));
+	reg.add("Button.ToggleFloater", boost::bind(&LLButton::toggleFloaterAndSetToggleState, _1, _2));
 	
 	// Used by menus along with Floater.Toggle to display visibility as a checkmark
 	LLUICtrl::EnableCallbackRegistry::defaultRegistrar().add("Floater.Visible", boost::bind(&LLFloaterReg::floaterInstanceVisible, _2));
@@ -1620,7 +1622,10 @@ void LLUI::initClass(const settings_map_t& settings,
 
 void LLUI::cleanupClass()
 {
-	sImageProvider->cleanUp();
+	if(sImageProvider)
+	{
+		sImageProvider->cleanUp();
+	}
 }
 
 void LLUI::setPopupFuncs(const add_popup_t& add_popup, const remove_popup_t& remove_popup,  const clear_popups_t& clear_popups)
diff --git a/indra/llui/llui.h b/indra/llui/llui.h
index fc545c85d5..62d10df8b2 100644
--- a/indra/llui/llui.h
+++ b/indra/llui/llui.h
@@ -79,7 +79,7 @@ void gl_rect_2d_offset_local( S32 left, S32 top, S32 right, S32 bottom, const LL
 void gl_rect_2d_offset_local( S32 left, S32 top, S32 right, S32 bottom, S32 pixel_offset = 0, BOOL filled = TRUE );
 void gl_rect_2d(const LLRect& rect, BOOL filled = TRUE );
 void gl_rect_2d(const LLRect& rect, const LLColor4& color, BOOL filled = TRUE );
-void gl_rect_2d_checkerboard(const LLRect& rect);
+void gl_rect_2d_checkerboard(const LLRect& rect, GLfloat alpha = 1.0f);
 
 void gl_drop_shadow(S32 left, S32 top, S32 right, S32 bottom, const LLColor4 &start_color, S32 lines);
 
diff --git a/indra/llui/lluicolortable.cpp b/indra/llui/lluicolortable.cpp
index 0641f6d175..9455d09cc0 100644
--- a/indra/llui/lluicolortable.cpp
+++ b/indra/llui/lluicolortable.cpp
@@ -215,6 +215,12 @@ bool LLUIColorTable::loadFromSettings()
 		result |= loadFromFilename(current_filename, mLoadedColors);
 	}
 
+	current_filename = gDirUtilp->getExpandedFilename(LL_PATH_USER_SKIN, "colors.xml");
+	if(current_filename != default_filename)
+	{
+		result |= loadFromFilename(current_filename, mLoadedColors);
+	}
+
 	std::string user_filename = gDirUtilp->getExpandedFilename(LL_PATH_USER_SETTINGS, "colors.xml");
 	loadFromFilename(user_filename, mUserSetColors);
 
diff --git a/indra/llui/lluictrl.cpp b/indra/llui/lluictrl.cpp
index 3ac3bf8c41..0a06b5e74f 100644
--- a/indra/llui/lluictrl.cpp
+++ b/indra/llui/lluictrl.cpp
@@ -36,6 +36,9 @@
 
 static LLDefaultChildRegistry::Register<LLUICtrl> r("ui_ctrl");
 
+F32 LLUICtrl::sActiveControlTransparency = 1.0f;
+F32 LLUICtrl::sInactiveControlTransparency = 1.0f;
+
 // Compiler optimization, generate extern template
 template class LLUICtrl* LLView::getChild<class LLUICtrl>(
 	const std::string& name, BOOL recurse) const;
@@ -110,7 +113,8 @@ LLUICtrl::LLUICtrl(const LLUICtrl::Params& p, const LLViewModelPtr& viewmodel)
 	mMouseUpSignal(NULL),
 	mRightMouseDownSignal(NULL),
 	mRightMouseUpSignal(NULL),
-	mDoubleClickSignal(NULL)
+	mDoubleClickSignal(NULL),
+	mTransparencyType(TT_DEFAULT)
 {
 	mUICtrlHandle.bind(this);
 }
@@ -823,7 +827,7 @@ LLUICtrl* LLUICtrl::findRootMostFocusRoot()
 {
 	LLUICtrl* focus_root = NULL;
 	LLUICtrl* next_view = this;
-	while(next_view)
+	while(next_view && next_view->hasTabStop())
 	{
 		if (next_view->isFocusRoot())
 		{
@@ -923,6 +927,37 @@ BOOL LLUICtrl::getTentative() const
 void LLUICtrl::setColor(const LLColor4& color)							
 { }
 
+F32 LLUICtrl::getCurrentTransparency()
+{
+	F32 alpha = 0;
+
+	switch(mTransparencyType)
+	{
+	case TT_DEFAULT:
+		alpha = getDrawContext().mAlpha;
+		break;
+
+	case TT_ACTIVE:
+		alpha = sActiveControlTransparency;
+		break;
+
+	case TT_INACTIVE:
+		alpha = sInactiveControlTransparency;
+		break;
+
+	case TT_FADING:
+		alpha = sInactiveControlTransparency / 2;
+		break;
+	}
+
+	return alpha;
+}
+
+void LLUICtrl::setTransparencyType(ETypeTransparency type)
+{
+	mTransparencyType = type;
+}
+
 boost::signals2::connection LLUICtrl::setCommitCallback( const commit_signal_t::slot_type& cb ) 
 { 
 	if (!mCommitSignal) mCommitSignal = new commit_signal_t();
diff --git a/indra/llui/lluictrl.h b/indra/llui/lluictrl.h
index 76dfdf754c..b37e9f6b1b 100644
--- a/indra/llui/lluictrl.h
+++ b/indra/llui/lluictrl.h
@@ -120,6 +120,13 @@ public:
 		Params();
 	};
 
+	enum ETypeTransparency
+	{
+		TT_DEFAULT,
+		TT_ACTIVE,		// focused floater
+		TT_INACTIVE,	// other floaters
+		TT_FADING,		// fading toast
+	};
 	/*virtual*/ ~LLUICtrl();
 
 	void initFromParams(const Params& p);
@@ -202,6 +209,11 @@ public:
 
 	virtual void	setColor(const LLColor4& color);
 
+	F32 			getCurrentTransparency();
+
+	void				setTransparencyType(ETypeTransparency type);
+	ETypeTransparency	getTransparencyType() const {return mTransparencyType;}
+
 	BOOL	focusNextItem(BOOL text_entry_only);
 	BOOL	focusPrevItem(BOOL text_entry_only);
 	BOOL 	focusFirstItem(BOOL prefer_text_fields = FALSE, BOOL focus_flash = TRUE );
@@ -283,6 +295,10 @@ protected:
 	boost::signals2::connection mMakeVisibleControlConnection;
 	LLControlVariable* mMakeInvisibleControlVariable;
 	boost::signals2::connection mMakeInvisibleControlConnection;
+
+	static F32 sActiveControlTransparency;
+	static F32 sInactiveControlTransparency;
+
 private:
 
 	BOOL			mTabStop;
@@ -290,6 +306,8 @@ private:
 	BOOL			mTentative;
 	LLRootHandle<LLUICtrl> mUICtrlHandle;
 
+	ETypeTransparency mTransparencyType;
+
 	class DefaultTabGroupFirstSorter;
 };
 
diff --git a/indra/llui/lluictrlfactory.cpp b/indra/llui/lluictrlfactory.cpp
index 5de96f9d48..25e7a31e90 100644
--- a/indra/llui/lluictrlfactory.cpp
+++ b/indra/llui/lluictrlfactory.cpp
@@ -152,7 +152,27 @@ static LLFastTimer::DeclareTimer FTM_XML_PARSE("XML Reading/Parsing");
 bool LLUICtrlFactory::getLayeredXMLNode(const std::string &xui_filename, LLXMLNodePtr& root)
 {
 	LLFastTimer timer(FTM_XML_PARSE);
-	return LLXMLNode::getLayeredXMLNode(xui_filename, root, LLUI::getXUIPaths());
+	
+	std::vector<std::string> paths;
+	std::string path = gDirUtilp->findSkinnedFilename(LLUI::getSkinPath(), xui_filename);
+	if (!path.empty())
+	{
+		paths.push_back(path);
+	}
+
+	std::string localize_path = gDirUtilp->findSkinnedFilename(LLUI::getLocalizedSkinPath(), xui_filename);
+	if (!localize_path.empty() && localize_path != path)
+	{
+		paths.push_back(localize_path);
+	}
+
+	if (paths.empty())
+	{
+		// sometimes whole path is passed in as filename
+		paths.push_back(xui_filename);
+	}
+
+	return LLXMLNode::getLayeredXMLNode(root, paths);
 }
 
 
@@ -214,7 +234,7 @@ LLView *LLUICtrlFactory::createFromXML(LLXMLNodePtr node, LLView* parent, const
 
 std::string LLUICtrlFactory::getCurFileName() 
 { 
-	return mFileNames.empty() ? "" : gDirUtilp->getWorkingDir() + gDirUtilp->getDirDelimiter() + mFileNames.back(); 
+	return mFileNames.empty() ? "" : mFileNames.back(); 
 }
 
 
diff --git a/indra/llui/lluistring.h b/indra/llui/lluistring.h
index eff2467bf0..cb40c85582 100644
--- a/indra/llui/lluistring.h
+++ b/indra/llui/lluistring.h
@@ -58,9 +58,10 @@ class LLUIString
 public:
 	// These methods all perform appropriate argument substitution
 	// and modify mOrig where appropriate
-        LLUIString() : mArgs(NULL), mNeedsResult(false), mNeedsWResult(false) {}
+	LLUIString() : mArgs(NULL), mNeedsResult(false), mNeedsWResult(false) {}
 	LLUIString(const std::string& instring, const LLStringUtil::format_map_t& args);
 	LLUIString(const std::string& instring) : mArgs(NULL) { assign(instring); }
+	~LLUIString() { delete mArgs; }
 
 	void assign(const std::string& instring);
 	LLUIString& operator=(const std::string& s) { assign(s); return *this; }
@@ -81,14 +82,14 @@ public:
 
 	void clear();
 	void clearArgs() { if (mArgs) mArgs->clear(); }
-	
+
 	// These utility functions are included for text editing.
 	// They do not affect mOrig and do not perform argument substitution
 	void truncate(S32 maxchars);
 	void erase(S32 charidx, S32 len);
 	void insert(S32 charidx, const LLWString& wchars);
 	void replace(S32 charidx, llwchar wc);
-	
+
 private:
 	// something changed, requiring reformatting of strings
 	void dirty();
@@ -100,7 +101,7 @@ private:
 	void updateResult() const;
 	void updateWResult() const;
 	LLStringUtil::format_map_t& getArgs();
-	
+
 	std::string mOrig;
 	mutable std::string mResult;
 	mutable LLWString mWResult; // for displaying
diff --git a/indra/llui/llurlentry.cpp b/indra/llui/llurlentry.cpp
index efb3f1a8be..9db1feafd1 100644
--- a/indra/llui/llurlentry.cpp
+++ b/indra/llui/llurlentry.cpp
@@ -27,6 +27,7 @@
 
 #include "linden_common.h"
 #include "llurlentry.h"
+#include "lluictrl.h"
 #include "lluri.h"
 #include "llurlmatch.h"
 #include "llurlregistry.h"
@@ -35,6 +36,7 @@
 #include "llcachename.h"
 #include "lltrans.h"
 #include "lluicolortable.h"
+#include "message.h"
 
 #define APP_HEADER_REGEX "((x-grid-location-info://[-\\w\\.]+/app)|(secondlife:///app))"
 
@@ -167,6 +169,15 @@ void LLUrlEntryBase::callObservers(const std::string &id,
 	}
 }
 
+/// is this a match for a URL that should not be hyperlinked?
+bool LLUrlEntryBase::isLinkDisabled() const
+{
+	// this allows us to have a global setting to turn off text hyperlink highlighting/action
+	bool globally_disabled = LLUI::sSettingGroups["config"]->getBOOL("DisableTextHyperlinkActions");
+
+	return globally_disabled;
+}
+
 static std::string getStringAfterToken(const std::string str, const std::string token)
 {
 	size_t pos = str.find(token);
@@ -456,8 +467,8 @@ std::string LLUrlEntryAgent::getLabel(const std::string &url, const LLUrlLabelCa
 LLStyle::Params LLUrlEntryAgent::getStyle() const
 {
 	LLStyle::Params style_params = LLUrlEntryBase::getStyle();
-	style_params.color = LLUIColorTable::instance().getColor("AgentLinkColor");
-	style_params.readonly_color = LLUIColorTable::instance().getColor("AgentLinkColor");
+	style_params.color = LLUIColorTable::instance().getColor("HTMLLinkColor");
+	style_params.readonly_color = LLUIColorTable::instance().getColor("HTMLLinkColor");
 	return style_params;
 }
 
@@ -674,8 +685,8 @@ std::string LLUrlEntryGroup::getLabel(const std::string &url, const LLUrlLabelCa
 LLStyle::Params LLUrlEntryGroup::getStyle() const
 {
 	LLStyle::Params style_params = LLUrlEntryBase::getStyle();
-	style_params.color = LLUIColorTable::instance().getColor("GroupLinkColor");
-	style_params.readonly_color = LLUIColorTable::instance().getColor("GroupLinkColor");
+	style_params.color = LLUIColorTable::instance().getColor("HTMLLinkColor");
+	style_params.readonly_color = LLUIColorTable::instance().getColor("HTMLLinkColor");
 	return style_params;
 }
 
@@ -730,6 +741,13 @@ std::string LLUrlEntryObjectIM::getLocation(const std::string &url) const
 	return LLUrlEntryBase::getLocation(url);
 }
 
+// LLUrlEntryParcel statics.
+LLUUID	LLUrlEntryParcel::sAgentID(LLUUID::null);
+LLUUID	LLUrlEntryParcel::sSessionID(LLUUID::null);
+LLHost	LLUrlEntryParcel::sRegionHost(LLHost::invalid);
+bool	LLUrlEntryParcel::sDisconnected(false);
+std::set<LLUrlEntryParcel*> LLUrlEntryParcel::sParcelInfoObservers;
+
 ///
 /// LLUrlEntryParcel Describes a Second Life parcel Url, e.g.,
 /// secondlife:///app/parcel/0000060e-4b39-e00b-d0c3-d98b1934e3a8/about
@@ -741,13 +759,88 @@ LLUrlEntryParcel::LLUrlEntryParcel()
 							boost::regex::perl|boost::regex::icase);
 	mMenuName = "menu_url_parcel.xml";
 	mTooltip = LLTrans::getString("TooltipParcelUrl");
+
+	sParcelInfoObservers.insert(this);
+}
+
+LLUrlEntryParcel::~LLUrlEntryParcel()
+{
+	sParcelInfoObservers.erase(this);
 }
 
 std::string LLUrlEntryParcel::getLabel(const std::string &url, const LLUrlLabelCallback &cb)
 {
+	LLSD path_array = LLURI(url).pathArray();
+	S32 path_parts = path_array.size();
+
+	if (path_parts < 3) // no parcel id
+	{
+		llwarns << "Failed to parse url [" << url << "]" << llendl;
+		return url;
+	}
+
+	std::string parcel_id_string = unescapeUrl(path_array[2]); // parcel id
+
+	// Add an observer to call LLUrlLabelCallback when we have parcel name.
+	addObserver(parcel_id_string, url, cb);
+
+	LLUUID parcel_id(parcel_id_string);
+
+	sendParcelInfoRequest(parcel_id);
+
 	return unescapeUrl(url);
 }
 
+void LLUrlEntryParcel::sendParcelInfoRequest(const LLUUID& parcel_id)
+{
+	if (sRegionHost == LLHost::invalid || sDisconnected) return;
+
+	LLMessageSystem *msg = gMessageSystem;
+	msg->newMessage("ParcelInfoRequest");
+	msg->nextBlockFast(_PREHASH_AgentData);
+	msg->addUUIDFast(_PREHASH_AgentID, sAgentID );
+	msg->addUUID("SessionID", sSessionID);
+	msg->nextBlock("Data");
+	msg->addUUID("ParcelID", parcel_id);
+	msg->sendReliable(sRegionHost);
+}
+
+void LLUrlEntryParcel::onParcelInfoReceived(const std::string &id, const std::string &label)
+{
+	callObservers(id, label.empty() ? LLTrans::getString("RegionInfoError") : label, mIcon);
+}
+
+// static
+void LLUrlEntryParcel::processParcelInfo(const LLParcelData& parcel_data)
+{
+	std::string label(LLStringUtil::null);
+	if (!parcel_data.name.empty())
+	{
+		label = parcel_data.name;
+	}
+	// If parcel name is empty use Sim_name (x, y, z) for parcel label.
+	else if (!parcel_data.sim_name.empty())
+	{
+		S32 region_x = llround(parcel_data.global_x) % REGION_WIDTH_UNITS;
+		S32 region_y = llround(parcel_data.global_y) % REGION_WIDTH_UNITS;
+		S32 region_z = llround(parcel_data.global_z);
+
+		label = llformat("%s (%d, %d, %d)",
+				parcel_data.sim_name.c_str(), region_x, region_y, region_z);
+	}
+
+	for (std::set<LLUrlEntryParcel*>::iterator iter = sParcelInfoObservers.begin();
+			iter != sParcelInfoObservers.end();
+			++iter)
+	{
+		LLUrlEntryParcel* url_entry = *iter;
+		if (url_entry)
+		{
+			url_entry->onParcelInfoReceived(parcel_data.parcel_id.asString(), label);
+		}
+	}
+}
+
 //
 // LLUrlEntryPlace Describes secondlife://<location> URLs
 //
@@ -796,6 +889,69 @@ std::string LLUrlEntryPlace::getLocation(const std::string &url) const
 }
 
 //
+// LLUrlEntryRegion Describes secondlife:///app/region/REGION_NAME/X/Y/Z URLs, e.g.
+// secondlife:///app/region/Ahern/128/128/0
+//
+LLUrlEntryRegion::LLUrlEntryRegion()
+{
+	mPattern = boost::regex("secondlife:///app/region/[^/\\s]+(/\\d+)?(/\\d+)?(/\\d+)?/?",
+							boost::regex::perl|boost::regex::icase);
+	mMenuName = "menu_url_slurl.xml";
+	mTooltip = LLTrans::getString("TooltipSLURL");
+}
+
+std::string LLUrlEntryRegion::getLabel(const std::string &url, const LLUrlLabelCallback &cb)
+{
+	//
+	// we handle SLURLs in the following formats:
+	//   - secondlife:///app/region/Place/X/Y/Z
+	//   - secondlife:///app/region/Place/X/Y
+	//   - secondlife:///app/region/Place/X
+	//   - secondlife:///app/region/Place
+	//
+
+	LLSD path_array = LLURI(url).pathArray();
+	S32 path_parts = path_array.size();
+
+	if (path_parts < 3) // no region name
+	{
+		llwarns << "Failed to parse url [" << url << "]" << llendl;
+		return url;
+	}
+
+	std::string label = unescapeUrl(path_array[2]); // region name
+
+	if (path_parts > 3) // secondlife:///app/region/Place/X
+	{
+		std::string x = path_array[3];
+		label += " (" + x;
+
+		if (path_parts > 4) // secondlife:///app/region/Place/X/Y
+		{
+			std::string y = path_array[4];
+			label += "," + y;
+
+			if (path_parts > 5) // secondlife:///app/region/Place/X/Y/Z
+			{
+				std::string z = path_array[5];
+				label = label + "," + z;
+			}
+		}
+
+		label += ")";
+	}
+
+	return label;
+}
+
+std::string LLUrlEntryRegion::getLocation(const std::string &url) const
+{
+	LLSD path_array = LLURI(url).pathArray();
+	std::string region_name = unescapeUrl(path_array[2]);
+	return region_name;
+}
+
+//
 // LLUrlEntryTeleport Describes a Second Life teleport Url, e.g.,
 // secondlife:///app/teleport/Ahern/50/50/50/
 // x-grid-location-info://lincoln.lindenlab.com/app/teleport/Ahern/50/50/50/
@@ -978,7 +1134,7 @@ std::string LLUrlEntryWorldMap::getLocation(const std::string &url) const
 //
 LLUrlEntryNoLink::LLUrlEntryNoLink()
 {
-	mPattern = boost::regex("<nolink>[^<]*</nolink>",
+	mPattern = boost::regex("<nolink>.*</nolink>",
 							boost::regex::perl|boost::regex::icase);
 }
 
@@ -995,7 +1151,8 @@ std::string LLUrlEntryNoLink::getLabel(const std::string &url, const LLUrlLabelC
 
 LLStyle::Params LLUrlEntryNoLink::getStyle() const 
 { 
-	return LLStyle::Params(); 
+	// Don't render as URL (i.e. no context menu or hand cursor).
+	return LLStyle::Params().is_link(false);
 }
 
 
diff --git a/indra/llui/llurlentry.h b/indra/llui/llurlentry.h
index 9b91c103ef..5f82721c0f 100644
--- a/indra/llui/llurlentry.h
+++ b/indra/llui/llurlentry.h
@@ -31,6 +31,9 @@
 #include "lluuid.h"
 #include "lluicolor.h"
 #include "llstyle.h"
+
+#include "llhost.h" // for resolving parcel name by parcel id
+
 #include <boost/signals2.hpp>
 #include <boost/regex.hpp>
 #include <string>
@@ -94,6 +97,8 @@ public:
 
 	virtual LLUUID	getID(const std::string &string) const { return LLUUID::null; }
 
+	bool isLinkDisabled() const;
+
 protected:
 	std::string getIDStringFromUrl(const std::string &url) const;
 	std::string escapeUrl(const std::string &url) const;
@@ -183,7 +188,7 @@ private:
 /// secondlife:///app/agent/0e346d8b-4433-4d66-a6b0-fd37083abc4c/(completename|displayname|username)
 /// that displays various forms of user name
 /// This is a base class for the various implementations of name display
-class LLUrlEntryAgentName : public LLUrlEntryBase
+class LLUrlEntryAgentName : public LLUrlEntryBase, public boost::signals2::trackable
 {
 public:
 	LLUrlEntryAgentName();
@@ -283,8 +288,44 @@ private:
 class LLUrlEntryParcel : public LLUrlEntryBase
 {
 public:
+	struct LLParcelData
+	{
+		LLUUID		parcel_id;
+		std::string	name;
+		std::string	sim_name;
+		F32			global_x;
+		F32			global_y;
+		F32			global_z;
+	};
+
 	LLUrlEntryParcel();
+	~LLUrlEntryParcel();
 	/*virtual*/ std::string getLabel(const std::string &url, const LLUrlLabelCallback &cb);
+
+	// Sends a parcel info request to sim.
+	void sendParcelInfoRequest(const LLUUID& parcel_id);
+
+	// Calls observers of certain parcel id providing them with parcel label.
+	void onParcelInfoReceived(const std::string &id, const std::string &label);
+
+	// Processes parcel label and triggers notifying observers.
+	static void processParcelInfo(const LLParcelData& parcel_data);
+
+	// Next 4 setters are used to update agent and viewer connection information
+	// upon events like user login, viewer disconnect and user changing region host.
+	// These setters are made public to be accessible from newview and should not be
+	// used in other cases.
+	static void setAgentID(const LLUUID& id) { sAgentID = id; }
+	static void setSessionID(const LLUUID& id) { sSessionID = id; }
+	static void setRegionHost(const LLHost& host) { sRegionHost = host; }
+	static void setDisconnected(bool disconnected) { sDisconnected = disconnected; }
+
+private:
+	static LLUUID						sAgentID;
+	static LLUUID						sSessionID;
+	static LLHost						sRegionHost;
+	static bool							sDisconnected;
+	static std::set<LLUrlEntryParcel*>	sParcelInfoObservers;
 };
 
 ///
@@ -300,6 +341,18 @@ public:
 };
 
 ///
+/// LLUrlEntryRegion Describes a Second Life location Url, e.g.,
+/// secondlife:///app/region/Ahern/128/128/0
+///
+class LLUrlEntryRegion : public LLUrlEntryBase
+{
+public:
+	LLUrlEntryRegion();
+	/*virtual*/ std::string getLabel(const std::string &url, const LLUrlLabelCallback &cb);
+	/*virtual*/ std::string getLocation(const std::string &url) const;
+};
+
+///
 /// LLUrlEntryTeleport Describes a Second Life teleport Url, e.g.,
 /// secondlife:///app/teleport/Ahern/50/50/50/
 ///
diff --git a/indra/llui/llurlregistry.cpp b/indra/llui/llurlregistry.cpp
index 478b412d5e..523ee5d78c 100644
--- a/indra/llui/llurlregistry.cpp
+++ b/indra/llui/llurlregistry.cpp
@@ -54,6 +54,7 @@ LLUrlRegistry::LLUrlRegistry()
 	registerUrl(new LLUrlEntryGroup());
 	registerUrl(new LLUrlEntryParcel());
 	registerUrl(new LLUrlEntryTeleport());
+	registerUrl(new LLUrlEntryRegion());
 	registerUrl(new LLUrlEntryWorldMap());
 	registerUrl(new LLUrlEntryObjectIM());
 	registerUrl(new LLUrlEntryPlace());
diff --git a/indra/llui/llview.cpp b/indra/llui/llview.cpp
index 3fa86bf0ca..d73e87129e 100644
--- a/indra/llui/llview.cpp
+++ b/indra/llui/llview.cpp
@@ -102,6 +102,7 @@ LLView::Params::Params()
 	left_pad("left_pad"),
 	left_delta("left_delta", S32_MAX),
 	from_xui("from_xui", false),
+	focus_root("focus_root", false),
 	needs_translate("translate"),
 	xmlns("xmlns"),
 	xmlns_xsi("xmlns:xsi"),
@@ -117,7 +118,7 @@ LLView::LLView(const LLView::Params& p)
 	mParentView(NULL),
 	mReshapeFlags(FOLLOWS_NONE),
 	mFromXUI(p.from_xui),
-	mIsFocusRoot(FALSE),
+	mIsFocusRoot(p.focus_root),
 	mLastVisible(FALSE),
 	mNextInsertionOrdinal(0),
 	mHoverCursor(getCursorFromString(p.hover_cursor)),
@@ -163,8 +164,6 @@ LLView::~LLView()
 
 	if (mDefaultWidgets)
 	{
-		std::for_each(mDefaultWidgets->begin(), mDefaultWidgets->end(),
-					  DeletePairedPointer());
 		delete mDefaultWidgets;
 		mDefaultWidgets = NULL;
 	}
@@ -339,7 +338,7 @@ void LLView::removeChild(LLView* child)
 	}
 	else
 	{
-		llerrs << "LLView::removeChild called with non-child" << llendl;
+		llwarns << child->getName() << "is not a child of " << getName() << llendl;
 	}
 	updateBoundingRect();
 }
@@ -1682,18 +1681,7 @@ BOOL LLView::hasChild(const std::string& childname, BOOL recurse) const
 //-----------------------------------------------------------------------------
 LLView* LLView::getChildView(const std::string& name, BOOL recurse) const
 {
-	LLView* child = findChildView(name, recurse);
-	if (!child)
-	{
-		child = getDefaultWidget<LLView>(name);
-		if (!child)
-		{
-			LLView::Params view_params;
-			view_params.name = name;
-			child = LLUICtrlFactory::create<LLView>(view_params);
-		}
-	}
-	return child;
+	return getChild<LLView>(name, recurse);
 }
 
 static LLFastTimer::DeclareTimer FTM_FIND_VIEWS("Find Widgets");
@@ -1970,7 +1958,7 @@ void LLView::centerWithin(const LLRect& bounds)
 	translate( left - getRect().mLeft, bottom - getRect().mBottom );
 }
 
-BOOL LLView::localPointToOtherView( S32 x, S32 y, S32 *other_x, S32 *other_y, LLView* other_view) const
+BOOL LLView::localPointToOtherView( S32 x, S32 y, S32 *other_x, S32 *other_y, const LLView* other_view) const
 {
 	const LLView* cur_view = this;
 	const LLView* root_view = NULL;
@@ -2013,7 +2001,7 @@ BOOL LLView::localPointToOtherView( S32 x, S32 y, S32 *other_x, S32 *other_y, LL
 	return FALSE;
 }
 
-BOOL LLView::localRectToOtherView( const LLRect& local, LLRect* other, LLView* other_view ) const
+BOOL LLView::localRectToOtherView( const LLRect& local, LLRect* other, const LLView* other_view ) const
 {
 	LLRect cur_rect = local;
 	const LLView* cur_view = this;
@@ -2804,11 +2792,14 @@ LLView::root_to_view_iterator_t LLView::endRootToView()
 
 // only create maps on demand, as they incur heap allocation/deallocation cost
 // when a view is constructed/deconstructed
-LLView::default_widget_map_t& LLView::getDefaultWidgetMap() const
+LLView& LLView::getDefaultWidgetContainer() const
 {
 	if (!mDefaultWidgets)
 	{
-		mDefaultWidgets = new default_widget_map_t();
+		LLView::Params p;
+		p.name = "default widget container";
+		p.visible = false; // ensures default widgets can't steal focus, etc.
+		mDefaultWidgets = new LLView(p);
 	}
 	return *mDefaultWidgets;
 }
diff --git a/indra/llui/llview.h b/indra/llui/llview.h
index 33d345beff..61dc4b8030 100644
--- a/indra/llui/llview.h
+++ b/indra/llui/llview.h
@@ -116,7 +116,8 @@ public:
 									visible,
 									mouse_opaque,
 									use_bounding_rect,
-									from_xui;
+									from_xui,
+									focus_root;
 
 		Optional<S32>				tab_group,
 									default_tab_group;
@@ -405,21 +406,16 @@ public:
 	BOOL blockMouseEvent(S32 x, S32 y) const;
 
 	// See LLMouseHandler virtuals for screenPointToLocal and localPointToScreen
-	BOOL localPointToOtherView( S32 x, S32 y, S32 *other_x, S32 *other_y, LLView* other_view) const;
-	BOOL localRectToOtherView( const LLRect& local, LLRect* other, LLView* other_view ) const;
+	BOOL localPointToOtherView( S32 x, S32 y, S32 *other_x, S32 *other_y, const LLView* other_view) const;
+	BOOL localRectToOtherView( const LLRect& local, LLRect* other, const LLView* other_view ) const;
 	void screenRectToLocal( const LLRect& screen, LLRect* local ) const;
 	void localRectToScreen( const LLRect& local, LLRect* screen ) const;
 	
 	LLControlVariable *findControl(const std::string& name);
 
-    // Moved setValue(), getValue(), setControlValue(), setControlName(),
-    // controlListener() to LLUICtrl because an LLView is NOT assumed to
-    // contain a value. If that's what you want, use LLUICtrl instead.
-//	virtual bool	handleEvent(LLPointer<LLEvent> event, const LLSD& userdata);
-
 	const child_list_t*	getChildList() const { return &mChildList; }
-	const child_list_const_iter_t	beginChild()  { return mChildList.begin(); }
-	const child_list_const_iter_t	endChild()  { return mChildList.end(); }
+	child_list_const_iter_t	beginChild() const { return mChildList.begin(); }
+	child_list_const_iter_t	endChild() const { return mChildList.end(); }
 
 	// LLMouseHandler functions
 	//  Default behavior is to pass events to children
@@ -466,12 +462,8 @@ public:
 
 	template <class T> T* getDefaultWidget(const std::string& name) const
 	{
-		default_widget_map_t::const_iterator found_it = getDefaultWidgetMap().find(name);
-		if (found_it == getDefaultWidgetMap().end())
-		{
-			return NULL;
-		}
-		return dynamic_cast<T*>(found_it->second);
+		LLView* widgetp = getDefaultWidgetContainer().findChildView(name);
+		return dynamic_cast<T*>(widgetp);
 	}
 
 	//////////////////////////////////////////////
@@ -585,9 +577,9 @@ private:
 
 	typedef std::map<std::string, LLView*> default_widget_map_t;
 	// allocate this map no demand, as it is rarely needed
-	mutable default_widget_map_t* mDefaultWidgets;
+	mutable LLView* mDefaultWidgets;
 
-	default_widget_map_t& getDefaultWidgetMap() const;
+	LLView& getDefaultWidgetContainer() const;
 
 public:
 	// Depth in view hierarchy during rendering
@@ -654,7 +646,7 @@ template <class T> T* LLView::getChild(const std::string& name, BOOL recurse) co
 				return NULL;
 			}
 
-			getDefaultWidgetMap()[name] = result;
+			getDefaultWidgetContainer().addChild(result);
 		}
 	}
 	return result;
diff --git a/indra/llui/llwindowshade.cpp b/indra/llui/llwindowshade.cpp
new file mode 100644
index 0000000000..77e94385d4
--- /dev/null
+++ b/indra/llui/llwindowshade.cpp
@@ -0,0 +1,328 @@
+/**
+ * @file LLWindowShade.cpp
+ * @brief Notification dialog that slides down and optionally disabled a piece of UI
+ *
+ * $LicenseInfo:firstyear=2006&license=viewerlgpl$
+ * 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
+ * $/LicenseInfo$
+ */
+
+#include "linden_common.h"
+#include "llwindowshade.h"
+
+#include "lllayoutstack.h"
+#include "lltextbox.h"
+#include "lliconctrl.h"
+#include "llbutton.h"
+#include "llcheckboxctrl.h"
+#include "lllineeditor.h"
+
+const S32 MIN_NOTIFICATION_AREA_HEIGHT = 30;
+const S32 MAX_NOTIFICATION_AREA_HEIGHT = 100;
+
+LLWindowShade::Params::Params()
+:	bg_image("bg_image"),
+	modal("modal", false),
+	text_color("text_color"),
+	can_close("can_close", true)
+{
+	mouse_opaque = false;
+}
+
+LLWindowShade::LLWindowShade(const LLWindowShade::Params& params)
+:	LLUICtrl(params),
+	mNotification(params.notification),
+	mModal(params.modal),
+	mFormHeight(0),
+	mTextColor(params.text_color)
+{
+	setFocusRoot(true);
+}
+
+void LLWindowShade::initFromParams(const LLWindowShade::Params& params)
+{
+	LLUICtrl::initFromParams(params);
+
+	LLLayoutStack::Params layout_p;
+	layout_p.name = "notification_stack";
+	layout_p.rect = params.rect;
+	layout_p.follows.flags = FOLLOWS_ALL;
+	layout_p.mouse_opaque = false;
+	layout_p.orientation = LLLayoutStack::VERTICAL;
+	layout_p.border_size = 0;
+
+	LLLayoutStack* stackp = LLUICtrlFactory::create<LLLayoutStack>(layout_p);
+	addChild(stackp);
+
+	LLLayoutPanel::Params panel_p;
+	panel_p.rect = LLRect(0, 30, 800, 0);
+	panel_p.name = "notification_area";
+	panel_p.visible = false;
+	panel_p.user_resize = false;
+	panel_p.background_visible = true;
+	panel_p.bg_alpha_image = params.bg_image;
+	panel_p.auto_resize = false;
+	LLLayoutPanel* notification_panel = LLUICtrlFactory::create<LLLayoutPanel>(panel_p);
+	stackp->addChild(notification_panel);
+
+	panel_p = LLUICtrlFactory::getDefaultParams<LLLayoutPanel>();
+	panel_p.auto_resize = true;
+	panel_p.user_resize = false;
+	panel_p.rect = params.rect;
+	panel_p.name = "background_area";
+	panel_p.mouse_opaque = false;
+	panel_p.background_visible = false;
+	panel_p.bg_alpha_color = LLColor4(0.f, 0.f, 0.f, 0.2f);
+	LLLayoutPanel* dummy_panel = LLUICtrlFactory::create<LLLayoutPanel>(panel_p);
+	stackp->addChild(dummy_panel);
+
+	layout_p = LLUICtrlFactory::getDefaultParams<LLLayoutStack>();
+	layout_p.rect = LLRect(0, 30, 800, 0);
+	layout_p.follows.flags = FOLLOWS_ALL;
+	layout_p.orientation = LLLayoutStack::HORIZONTAL;
+	stackp = LLUICtrlFactory::create<LLLayoutStack>(layout_p);
+	notification_panel->addChild(stackp);
+
+	panel_p = LLUICtrlFactory::getDefaultParams<LLLayoutPanel>();
+	panel_p.rect.height = 30;
+	LLLayoutPanel* panel = LLUICtrlFactory::create<LLLayoutPanel>(panel_p);
+	stackp->addChild(panel);
+
+	LLIconCtrl::Params icon_p;
+	icon_p.name = "notification_icon";
+	icon_p.rect = LLRect(5, 23, 21, 8);
+	panel->addChild(LLUICtrlFactory::create<LLIconCtrl>(icon_p));
+
+	LLTextBox::Params text_p;
+	text_p.rect = LLRect(31, 20, panel->getRect().getWidth() - 5, 0);
+	text_p.follows.flags = FOLLOWS_ALL;
+	text_p.text_color = mTextColor;
+	text_p.font = LLFontGL::getFontSansSerifSmall();
+	text_p.font.style = "BOLD";
+	text_p.name = "notification_text";
+	text_p.use_ellipses = true;
+	text_p.wrap = true;
+	panel->addChild(LLUICtrlFactory::create<LLTextBox>(text_p));
+
+	panel_p = LLUICtrlFactory::getDefaultParams<LLLayoutPanel>();
+	panel_p.auto_resize = false;
+	panel_p.user_resize = false;
+	panel_p.name="form_elements";
+	panel_p.rect = LLRect(0, 30, 130, 0);
+	LLLayoutPanel* form_elements_panel = LLUICtrlFactory::create<LLLayoutPanel>(panel_p);
+	stackp->addChild(form_elements_panel);
+
+	if (params.can_close)
+	{
+		panel_p = LLUICtrlFactory::getDefaultParams<LLLayoutPanel>();
+		panel_p.auto_resize = false;
+		panel_p.user_resize = false;
+		panel_p.rect = LLRect(0, 30, 25, 0);
+		LLLayoutPanel* close_panel = LLUICtrlFactory::create<LLLayoutPanel>(panel_p);
+		stackp->addChild(close_panel);
+
+		LLButton::Params button_p;
+		button_p.name = "close_notification";
+		button_p.rect = LLRect(5, 23, 21, 7);
+		button_p.image_color.control="DkGray_66";
+		button_p.image_unselected.name="Icon_Close_Foreground";
+		button_p.image_selected.name="Icon_Close_Press";
+		button_p.click_callback.function = boost::bind(&LLWindowShade::onCloseNotification, this);
+
+		close_panel->addChild(LLUICtrlFactory::create<LLButton>(button_p));
+	}
+
+	LLSD payload = mNotification->getPayload();
+
+	LLNotificationFormPtr formp = mNotification->getForm();
+	LLLayoutPanel& notification_area = getChildRef<LLLayoutPanel>("notification_area");
+	notification_area.getChild<LLUICtrl>("notification_icon")->setValue(mNotification->getIcon());
+	notification_area.getChild<LLUICtrl>("notification_text")->setValue(mNotification->getMessage());
+	notification_area.getChild<LLUICtrl>("notification_text")->setToolTip(mNotification->getMessage());
+
+	LLNotificationForm::EIgnoreType ignore_type = formp->getIgnoreType(); 
+	LLLayoutPanel& form_elements = notification_area.getChildRef<LLLayoutPanel>("form_elements");
+	form_elements.deleteAllChildren();
+
+	const S32 FORM_PADDING_HORIZONTAL = 10;
+	const S32 FORM_PADDING_VERTICAL = 3;
+	const S32 WIDGET_HEIGHT = 24;
+	const S32 LINE_EDITOR_WIDTH = 120;
+	S32 cur_x = FORM_PADDING_HORIZONTAL;
+	S32 cur_y = FORM_PADDING_VERTICAL + WIDGET_HEIGHT;
+	S32 form_width = cur_x;
+
+	if (ignore_type != LLNotificationForm::IGNORE_NO)
+	{
+		LLCheckBoxCtrl::Params checkbox_p;
+		checkbox_p.name = "ignore_check";
+		checkbox_p.rect = LLRect(cur_x, cur_y, cur_x, cur_y - WIDGET_HEIGHT);
+		checkbox_p.label = formp->getIgnoreMessage();
+		checkbox_p.label_text.text_color = LLColor4::black;
+		checkbox_p.commit_callback.function = boost::bind(&LLWindowShade::onClickIgnore, this, _1);
+		checkbox_p.initial_value = formp->getIgnored();
+
+		LLCheckBoxCtrl* check = LLUICtrlFactory::create<LLCheckBoxCtrl>(checkbox_p);
+		check->setRect(check->getBoundingRect());
+		form_elements.addChild(check);
+		cur_x = check->getRect().mRight + FORM_PADDING_HORIZONTAL;
+		form_width = llmax(form_width, cur_x);
+	}
+
+	for (S32 i = 0; i < formp->getNumElements(); i++)
+	{
+		LLSD form_element = formp->getElement(i);
+		std::string type = form_element["type"].asString();
+		if (type == "button")
+		{
+			LLButton::Params button_p;
+			button_p.name = form_element["name"];
+			button_p.label = form_element["text"];
+			button_p.rect = LLRect(cur_x, cur_y, cur_x, cur_y - WIDGET_HEIGHT);
+			button_p.click_callback.function = boost::bind(&LLWindowShade::onClickNotificationButton, this, form_element["name"].asString());
+			button_p.auto_resize = true;
+
+			LLButton* button = LLUICtrlFactory::create<LLButton>(button_p);
+			button->autoResize();
+			form_elements.addChild(button);
+
+			if (form_element["default"].asBoolean())
+			{
+				form_elements.setDefaultBtn(button);
+			}
+
+			cur_x = button->getRect().mRight + FORM_PADDING_HORIZONTAL;
+			form_width = llmax(form_width, cur_x);
+		}
+		else if (type == "text" || type == "password")
+		{
+			// if not at beginning of line...
+			if (cur_x != FORM_PADDING_HORIZONTAL)
+			{
+				// start new line
+				cur_x = FORM_PADDING_HORIZONTAL;
+				cur_y -= WIDGET_HEIGHT + FORM_PADDING_VERTICAL;
+			}
+			LLTextBox::Params label_p;
+			label_p.name = form_element["name"].asString() + "_label";
+			label_p.rect = LLRect(cur_x, cur_y, cur_x + LINE_EDITOR_WIDTH, cur_y - WIDGET_HEIGHT);
+			label_p.initial_value = form_element["text"];
+			label_p.text_color = mTextColor;
+			label_p.font_valign = LLFontGL::VCENTER;
+			label_p.v_pad = 5;
+			LLTextBox* textbox = LLUICtrlFactory::create<LLTextBox>(label_p);
+			textbox->reshapeToFitText();
+			textbox->reshape(textbox->getRect().getWidth(), form_elements.getRect().getHeight() - 2 * FORM_PADDING_VERTICAL); 
+			form_elements.addChild(textbox);
+			cur_x = textbox->getRect().mRight + FORM_PADDING_HORIZONTAL;
+
+			LLLineEditor::Params line_p;
+			line_p.name = form_element["name"];
+			line_p.keystroke_callback = boost::bind(&LLWindowShade::onEnterNotificationText, this, _1, form_element["name"].asString());
+			line_p.is_password = type == "password";
+			line_p.rect = LLRect(cur_x, cur_y, cur_x + LINE_EDITOR_WIDTH, cur_y - WIDGET_HEIGHT);
+
+			LLLineEditor* line_editor = LLUICtrlFactory::create<LLLineEditor>(line_p);
+			form_elements.addChild(line_editor);
+			form_width = llmax(form_width, cur_x + LINE_EDITOR_WIDTH + FORM_PADDING_HORIZONTAL);
+
+			// reset to start of next line
+			cur_x = FORM_PADDING_HORIZONTAL;
+			cur_y -= WIDGET_HEIGHT + FORM_PADDING_VERTICAL;
+		}
+	}
+
+	mFormHeight = form_elements.getRect().getHeight() - (cur_y - FORM_PADDING_VERTICAL) + WIDGET_HEIGHT;
+	form_elements.reshape(form_width, mFormHeight);
+	form_elements.setMinDim(form_width);
+
+	// move all form elements back onto form surface
+	S32 delta_y = WIDGET_HEIGHT + FORM_PADDING_VERTICAL - cur_y;
+	for (child_list_const_iter_t it = form_elements.getChildList()->begin(), end_it = form_elements.getChildList()->end();
+		it != end_it;
+		++it)
+	{
+		(*it)->translate(0, delta_y);
+	}
+}
+
+void LLWindowShade::show()
+{
+	getChildRef<LLLayoutPanel>("notification_area").setVisible(true);
+	getChildRef<LLLayoutPanel>("background_area").setBackgroundVisible(mModal);
+
+	setMouseOpaque(mModal);
+}
+
+void LLWindowShade::draw()
+{
+	LLRect message_rect = getChild<LLTextBox>("notification_text")->getTextBoundingRect();
+
+	LLLayoutPanel* notification_area = getChild<LLLayoutPanel>("notification_area");
+
+	notification_area->reshape(notification_area->getRect().getWidth(), 
+		llclamp(message_rect.getHeight() + 10, 
+				llmin(mFormHeight, MAX_NOTIFICATION_AREA_HEIGHT),
+				MAX_NOTIFICATION_AREA_HEIGHT));
+
+	LLUICtrl::draw();
+	if (mNotification && !mNotification->isActive())
+	{
+		hide();
+	}
+}
+
+void LLWindowShade::hide()
+{
+	getChildRef<LLLayoutPanel>("notification_area").setVisible(false);
+	getChildRef<LLLayoutPanel>("background_area").setBackgroundVisible(false);
+
+	setMouseOpaque(false);
+}
+
+void LLWindowShade::onCloseNotification()
+{
+	LLNotifications::instance().cancel(mNotification);
+}
+
+void LLWindowShade::onClickIgnore(LLUICtrl* ctrl)
+{
+	bool check = ctrl->getValue().asBoolean();
+	if (mNotification && mNotification->getForm()->getIgnoreType() == LLNotificationForm::IGNORE_SHOW_AGAIN)
+	{
+		// question was "show again" so invert value to get "ignore"
+		check = !check;
+	}
+	mNotification->setIgnored(check);
+}
+
+void LLWindowShade::onClickNotificationButton(const std::string& name)
+{
+	if (!mNotification) return;
+
+	mNotificationResponse[name] = true;
+
+	mNotification->respond(mNotificationResponse);
+}
+
+void LLWindowShade::onEnterNotificationText(LLUICtrl* ctrl, const std::string& name)
+{
+	mNotificationResponse[name] = ctrl->getValue().asString();
+}
diff --git a/indra/llui/llwindowshade.h b/indra/llui/llwindowshade.h
new file mode 100644
index 0000000000..0047195929
--- /dev/null
+++ b/indra/llui/llwindowshade.h
@@ -0,0 +1,69 @@
+/**
+ * @file llwindowshade.h
+ * @brief Notification dialog that slides down and optionally disabled a piece of UI
+ *
+ * $LicenseInfo:firstyear=2006&license=viewerlgpl$
+ * 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_LLWINDOWSHADE_H
+#define LL_LLWINDOWSHADE_H
+
+#include "lluictrl.h"
+#include "llnotifications.h"
+
+class LLWindowShade : public LLUICtrl
+{
+public:
+	struct Params : public LLInitParam::Block<Params, LLUICtrl::Params>
+	{
+		Mandatory<LLNotificationPtr>	notification;
+		Optional<LLUIImage*>			bg_image;
+		Optional<LLUIColor>				text_color;
+		Optional<bool>					modal,
+										can_close;
+
+		Params();
+	};
+
+	void show();
+	/*virtual*/ void draw();
+	void hide();
+
+private:
+	friend class LLUICtrlFactory;
+
+	LLWindowShade(const Params& p);
+	void initFromParams(const Params& params);
+
+	void onCloseNotification();
+	void onClickNotificationButton(const std::string& name);
+	void onEnterNotificationText(LLUICtrl* ctrl, const std::string& name);
+	void onClickIgnore(LLUICtrl* ctrl);
+
+	LLNotificationPtr	mNotification;
+	LLSD				mNotificationResponse;
+	bool				mModal;
+	S32					mFormHeight;
+	LLUIColor			mTextColor;
+};
+
+#endif // LL_LLWINDOWSHADE_H
diff --git a/indra/llui/tests/llurlentry_stub.cpp b/indra/llui/tests/llurlentry_stub.cpp
index f30704cb22..ac2412c928 100644
--- a/indra/llui/tests/llurlentry_stub.cpp
+++ b/indra/llui/tests/llurlentry_stub.cpp
@@ -30,6 +30,7 @@
 #include "llavatarnamecache.h"
 #include "llcachename.h"
 #include "lluuid.h"
+#include "message.h"
 
 #include <string>
 
@@ -191,3 +192,20 @@ LLFontGL* LLFontGL::getFontDefault()
 {
 	return NULL; 
 }
+
+char const* const _PREHASH_AgentData = (char *)"AgentData";
+char const* const _PREHASH_AgentID = (char *)"AgentID";
+
+LLHost LLHost::invalid(INVALID_PORT,INVALID_HOST_IP_ADDRESS);
+
+LLMessageSystem* gMessageSystem = NULL;
+
+//
+// Stub implementation for LLMessageSystem
+//
+void LLMessageSystem::newMessage(const char *name) { }
+void LLMessageSystem::nextBlockFast(const char *blockname) { }
+void LLMessageSystem::nextBlock(const char *blockname) { }
+void LLMessageSystem::addUUIDFast( const char *varname, const LLUUID& uuid) { }
+void LLMessageSystem::addUUID( const char *varname, const LLUUID& uuid) { }
+S32 LLMessageSystem::sendReliable(const LLHost &host) { return 0; }
diff --git a/indra/llui/tests/llurlentry_test.cpp b/indra/llui/tests/llurlentry_test.cpp
index 5c6623da61..8f0a48018f 100644
--- a/indra/llui/tests/llurlentry_test.cpp
+++ b/indra/llui/tests/llurlentry_test.cpp
@@ -27,6 +27,7 @@
 
 #include "linden_common.h"
 #include "../llurlentry.h"
+#include "../lluictrl.h"
 #include "llurlentry_stub.cpp"
 #include "lltut.h"
 #include "../lluicolortable.h"
@@ -34,6 +35,14 @@
 
 #include <boost/regex.hpp>
 
+typedef std::map<std::string, LLControlGroup*> settings_map_t;
+settings_map_t LLUI::sSettingGroups;
+
+BOOL LLControlGroup::getBOOL(const std::string& name)
+{
+	return false;
+}
+
 LLUIColor LLUIColorTable::getColor(const std::string& name, const LLColor4& default_color) const
 {
 	return LLUIColor();
@@ -94,6 +103,45 @@ namespace tut
 		ensure_equals(testname, url, expected);
 	}
 
+	void dummyCallback(const std::string &url, const std::string &label, const std::string& icon)
+	{
+	}
+
+	void testLabel(const std::string &testname, LLUrlEntryBase &entry,
+				   const char *text, const std::string &expected)
+	{
+		boost::regex regex = entry.getPattern();
+		std::string label = "";
+		boost::cmatch result;
+		bool found = boost::regex_search(text, result, regex);
+		if (found)
+		{
+			S32 start = static_cast<U32>(result[0].first - text);
+			S32 end = static_cast<U32>(result[0].second - text);
+			std::string url = std::string(text+start, end-start);
+			label = entry.getLabel(url, boost::bind(dummyCallback, _1, _2, _3));
+		}
+		ensure_equals(testname, label, expected);
+	}
+
+	void testLocation(const std::string &testname, LLUrlEntryBase &entry,
+					  const char *text, const std::string &expected)
+	{
+		boost::regex regex = entry.getPattern();
+		std::string location = "";
+		boost::cmatch result;
+		bool found = boost::regex_search(text, result, regex);
+		if (found)
+		{
+			S32 start = static_cast<U32>(result[0].first - text);
+			S32 end = static_cast<U32>(result[0].second - text);
+			std::string url = std::string(text+start, end-start);
+			location = entry.getLocation(url);
+		}
+		ensure_equals(testname, location, expected);
+	}
+
+
 	template<> template<>
 	void object::test<1>()
 	{
@@ -688,4 +736,114 @@ namespace tut
 				  "<nolink>My Object</nolink>",
 				  "My Object");
 	}
+
+	template<> template<>
+	void object::test<13>()
+	{
+		//
+		// test LLUrlEntryRegion - secondlife:///app/region/<location> URLs
+		//
+		LLUrlEntryRegion url;
+
+		// Regex tests.
+		testRegex("no valid region", url,
+				  "secondlife:///app/region/",
+				  "");
+
+		testRegex("invalid coords", url,
+				  "secondlife:///app/region/Korea2/a/b/c",
+				  "secondlife:///app/region/Korea2/"); // don't count invalid coords
+
+		testRegex("Ahern (50,50,50) [1]", url,
+				  "secondlife:///app/region/Ahern/50/50/50/",
+				  "secondlife:///app/region/Ahern/50/50/50/");
+
+		testRegex("Ahern (50,50,50) [2]", url,
+				  "XXX secondlife:///app/region/Ahern/50/50/50/ XXX",
+				  "secondlife:///app/region/Ahern/50/50/50/");
+
+		testRegex("Ahern (50,50,50) [3]", url,
+				  "XXX secondlife:///app/region/Ahern/50/50/50 XXX",
+				  "secondlife:///app/region/Ahern/50/50/50");
+
+		testRegex("Ahern (50,50,50) multicase", url,
+				  "XXX secondlife:///app/region/Ahern/50/50/50/ XXX",
+				  "secondlife:///app/region/Ahern/50/50/50/");
+
+		testRegex("Ahern (50,50) [1]", url,
+				  "XXX secondlife:///app/region/Ahern/50/50/ XXX",
+				  "secondlife:///app/region/Ahern/50/50/");
+
+		testRegex("Ahern (50,50) [2]", url,
+				  "XXX secondlife:///app/region/Ahern/50/50 XXX",
+				  "secondlife:///app/region/Ahern/50/50");
+
+		// DEV-21577: In-world SLURLs containing "(" or ")" are not treated as a hyperlink in chat
+		testRegex("Region with brackets", url,
+				  "XXX secondlife:///app/region/Burning%20Life%20(Hyper)/27/210/30 XXX",
+				  "secondlife:///app/region/Burning%20Life%20(Hyper)/27/210/30");
+
+		// DEV-35459: SLURLs and teleport Links not parsed properly
+		testRegex("Region with quote", url,
+				  "XXX secondlife:///app/region/A'ksha%20Oasis/41/166/701 XXX",
+			          "secondlife:///app/region/A%27ksha%20Oasis/41/166/701");
+
+		// Rendering tests.
+		testLabel("Render /app/region/Ahern/50/50/50/", url,
+			"secondlife:///app/region/Ahern/50/50/50/",
+			"Ahern (50,50,50)");
+
+		testLabel("Render /app/region/Ahern/50/50/50", url,
+			"secondlife:///app/region/Ahern/50/50/50",
+			"Ahern (50,50,50)");
+
+		testLabel("Render /app/region/Ahern/50/50/", url,
+			"secondlife:///app/region/Ahern/50/50/",
+			"Ahern (50,50)");
+
+		testLabel("Render /app/region/Ahern/50/50", url,
+			"secondlife:///app/region/Ahern/50/50",
+			"Ahern (50,50)");
+
+		testLabel("Render /app/region/Ahern/50/", url,
+			"secondlife:///app/region/Ahern/50/",
+			"Ahern (50)");
+
+		testLabel("Render /app/region/Ahern/50", url,
+			"secondlife:///app/region/Ahern/50",
+			"Ahern (50)");
+
+		testLabel("Render /app/region/Ahern/", url,
+			"secondlife:///app/region/Ahern/",
+			"Ahern");
+
+		testLabel("Render /app/region/Ahern/ within context", url,
+			"XXX secondlife:///app/region/Ahern/ XXX",
+			"Ahern");
+
+		testLabel("Render /app/region/Ahern", url,
+			"secondlife:///app/region/Ahern",
+			"Ahern");
+
+		testLabel("Render /app/region/Ahern within context", url,
+			"XXX secondlife:///app/region/Ahern XXX",
+			"Ahern");
+
+		testLabel("Render /app/region/Product%20Engine/", url,
+			"secondlife:///app/region/Product%20Engine/",
+			"Product Engine");
+
+		testLabel("Render /app/region/Product%20Engine", url,
+			"secondlife:///app/region/Product%20Engine",
+			"Product Engine");
+
+		// Location parsing texts.
+		testLocation("Location /app/region/Ahern/50/50/50/", url,
+			"secondlife:///app/region/Ahern/50/50/50/",
+			"Ahern");
+
+		testLocation("Location /app/region/Product%20Engine", url,
+			"secondlife:///app/region/Product%20Engine",
+			"Product Engine");
+	}
 }