Merge with tip of viewer-development

38 files changed, 1278 insertions, 235 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/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 70014fe4f5..6b06040b8a 100644
--- a/indra/llui/llcombobox.cpp
+++ b/indra/llui/llcombobox.cpp
@@ -769,7 +769,8 @@ BOOL LLComboBox::handleKeyHere(KEY key, MASK mask)
 			return FALSE;
 		}
 		// if selection has changed, pop open list
-		else if ((mList->getLastSelectedItem() != last_selected_item) || (key == KEY_DOWN) || (key == KEY_UP))
+		else if (mList->getLastSelectedItem() != last_selected_item ||
+				(key == KEY_DOWN || key == KEY_UP) && !mList->isEmpty())
 		{
 			showList();
 		}
diff --git a/indra/llui/llfloater.cpp b/indra/llui/llfloater.cpp
index 7727e154da..1265733bf5 100644
--- a/indra/llui/llfloater.cpp
+++ b/indra/llui/llfloater.cpp
@@ -1,4 +1,5 @@
 /** 
+
  * @file llfloater.cpp
  * @brief LLFloater base class
  *
@@ -1189,7 +1190,7 @@ void LLFloater::setFocus( BOOL b )
 			last_focus->setFocus(TRUE);
 		}
 	}
-	updateTransparency(this, b ? TT_ACTIVE : TT_INACTIVE);
+	updateTransparency(b ? TT_ACTIVE : TT_INACTIVE);
 }
 
 // virtual
@@ -1462,6 +1463,9 @@ 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);
 	}
 }
 
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/lllayoutstack.cpp b/indra/llui/lllayoutstack.cpp
index 940c7e7e18..19ac4c58a8 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)
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 ba73b74052..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),
@@ -1529,6 +1530,8 @@ void LLLineEditor::drawBackground()
 	{
 		image = mBgImage;
 	}
+
+	if (!image) return;
 	
 	F32 alpha = getCurrentTransparency();
 
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/llmenugl.cpp b/indra/llui/llmenugl.cpp
index a6cf86d9b8..6c0d47ef63 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);
@@ -2611,6 +2611,7 @@ 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())
@@ -2711,6 +2712,8 @@ 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())
@@ -3045,6 +3048,11 @@ 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.
@@ -3125,7 +3133,10 @@ 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())
 		{
@@ -3508,8 +3519,10 @@ 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;
+				}
 			}
 		}
 	}
@@ -3742,9 +3755,7 @@ public:
 	LLContextMenuBranch(const Params&);
 
 	virtual ~LLContextMenuBranch()
-	{
-		delete mBranch;
-	}
+	{}
 
 	// called to rebuild the draw label
 	virtual void	buildDrawLabel( void );
@@ -3752,21 +3763,21 @@ 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
@@ -3775,12 +3786,12 @@ 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() )
 			{
@@ -3802,13 +3813,13 @@ 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);
 	}
 }
 
@@ -3828,7 +3839,7 @@ void LLContextMenuBranch::setHighlight( BOOL highlight )
 	}
 	else
 	{
-		mBranch->hide();
+		mBranch.get()->hide();
 	}
 }
 
@@ -3859,6 +3870,11 @@ 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 35544402f4..7bde8e83ec 100644
--- a/indra/llui/llmenugl.h
+++ b/indra/llui/llmenugl.h
@@ -678,9 +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 a3df6a3ced..cd0f0e36b0 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"
@@ -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
@@ -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));
 }
 
 
@@ -1184,6 +1264,7 @@ LLNotificationChannelPtr LLNotifications::getChannel(const std::string& channelN
 void LLNotifications::initSingleton()
 {
 	loadTemplates();
+	loadVisibilityRules();
 	createDefaultChannels();
 }
 
@@ -1191,15 +1272,19 @@ 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
@@ -1207,6 +1292,8 @@ 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
@@ -1218,6 +1305,8 @@ void LLNotifications::createDefaultChannels()
 //        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, 
@@ -1347,6 +1436,12 @@ bool LLNotifications::loadTemplates()
 	LLXUIParser parser;
 	parser.readXUI(root, params, full_filename);
 
+	if(!params.validateBlock())
+	{
+		llerrs << "Problem reading UI Notifications file: " << full_filename << llendl;
+		return false;
+	}
+
 	mTemplates.clear();
 
 	for(LLInitParam::ParamIterator<LLNotificationTemplate::GlobalString>::const_iterator it = params.strings.begin(), end_it = params.strings.end();
@@ -1396,6 +1491,34 @@ bool LLNotifications::loadTemplates()
 	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;
+}
+
 // Add a simple notification (from XUI)
 void LLNotifications::addFromCallback(const LLSD& name)
 {
@@ -1546,6 +1669,94 @@ 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;
+
+				n->cancel();
+			}
+			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..34d3537781 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() {}
 };
 
@@ -859,6 +867,10 @@ public:
 	// OK to call more than once because it will reload
 	bool loadTemplates();  
 	
+	// load visibility rules from file; 
+	// OK to call more than once because it will reload
+	bool loadVisibilityRules();  
+	
 	// Add a simple notification (from XUI)
 	void addFromCallback(const LLSD& name);
 	
@@ -904,6 +916,8 @@ 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 +933,8 @@ 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();
@@ -938,6 +954,8 @@ private:
 	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 ff377ba3a1..b2383106a8 100644
--- a/indra/llui/llpanel.cpp
+++ b/indra/llui/llpanel.cpp
@@ -436,7 +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
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..6e9586369f 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();
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/llscrolllistctrl.cpp b/indra/llui/llscrolllistctrl.cpp
index 8854f0a02e..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());
 }
 
 
@@ -2371,10 +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);
 	}
 }
 
@@ -2420,11 +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;
 	}
 }
 
@@ -2582,8 +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
@@ -2605,14 +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;
 				}
 			}
 
@@ -2668,8 +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
@@ -2702,16 +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;
@@ -2745,7 +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;
 }
@@ -2806,7 +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());
 		}
 
@@ -2843,7 +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 
@@ -2858,10 +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/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/llui.cpp b/indra/llui/llui.cpp
index 1e2fe09cd9..c300fe55d9 100644
--- a/indra/llui/llui.cpp
+++ b/indra/llui/llui.cpp
@@ -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));
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 afd60cbb3e..0a06b5e74f 100644
--- a/indra/llui/lluictrl.cpp
+++ b/indra/llui/lluictrl.cpp
@@ -827,7 +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())
 		{
diff --git a/indra/llui/lluistring.h b/indra/llui/lluistring.h
index 4faa0e070e..cb40c85582 100644
--- a/indra/llui/lluistring.h
+++ b/indra/llui/lluistring.h
@@ -61,7 +61,6 @@ public:
 	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);
diff --git a/indra/llui/llurlentry.cpp b/indra/llui/llurlentry.cpp
index f25be55665..4f7b4be526 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"
@@ -167,6 +168,15 @@ 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);
@@ -796,6 +806,69 @@ 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/
diff --git a/indra/llui/llurlentry.h b/indra/llui/llurlentry.h
index 1a16056041..1791739061 100644
--- a/indra/llui/llurlentry.h
+++ b/indra/llui/llurlentry.h
@@ -94,6 +94,8 @@ 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;
@@ -300,6 +302,18 @@ 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..267640a226 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;
 	}
@@ -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");
@@ -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..d2bbd663b8 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;
@@ -412,14 +413,9 @@ public:
 	
 	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_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");
+	}
 }