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diff --git a/indra/newview/llnearbychatbar.cpp b/indra/newview/llnearbychatbar.cpp
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+++ b/indra/newview/llnearbychatbar.cpp
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+/** 
+ * @file llnearbychatbar.cpp
+ * @brief LLNearbyChatBar class implementation
+ *
+ * $LicenseInfo:firstyear=2002&license=viewergpl$
+ * 
+ * Copyright (c) 2002-2009, Linden Research, Inc.
+ * 
+ * Second Life Viewer Source Code
+ * The source code in this file ("Source Code") is provided by Linden Lab
+ * to you under the terms of the GNU General Public License, version 2.0
+ * ("GPL"), unless you have obtained a separate licensing agreement
+ * ("Other License"), formally executed by you and Linden Lab.  Terms of
+ * the GPL can be found in doc/GPL-license.txt in this distribution, or
+ * online at http://secondlifegrid.net/programs/open_source/licensing/gplv2
+ * 
+ * There are special exceptions to the terms and conditions of the GPL as
+ * it is applied to this Source Code. View the full text of the exception
+ * in the file doc/FLOSS-exception.txt in this software distribution, or
+ * online at
+ * http://secondlifegrid.net/programs/open_source/licensing/flossexception
+ * 
+ * By copying, modifying or distributing this software, you acknowledge
+ * that you have read and understood your obligations described above,
+ * and agree to abide by those obligations.
+ * 
+ * ALL LINDEN LAB SOURCE CODE IS PROVIDED "AS IS." LINDEN LAB MAKES NO
+ * WARRANTIES, EXPRESS, IMPLIED OR OTHERWISE, REGARDING ITS ACCURACY,
+ * COMPLETENESS OR PERFORMANCE.
+ * $/LicenseInfo$
+ */
+
+#include "llviewerprecompiledheaders.h"
+
+#include "llnearbychatbar.h"
+#include "llbottomtray.h"
+#include "llagent.h"
+#include "llgesturemgr.h"
+#include "llmultigesture.h"
+#include "llkeyboard.h"
+#include "llanimationstates.h"
+#include "llviewerstats.h"
+#include "llcommandhandler.h"
+#include "llviewercontrol.h"
+
+S32 LLNearbyChatBar::sLastSpecialChatChannel = 0;
+
+// legacy calllback glue
+void send_chat_from_viewer(const std::string& utf8_out_text, EChatType type, S32 channel);
+
+static LLDefaultChildRegistry::Register<LLGestureComboBox> r("gesture_combo_box");
+
+LLGestureComboBox::LLGestureComboBox(const LLComboBox::Params& p)
+	: LLComboBox(p)
+	, mGestureLabelTimer()
+	, mLabel(p.label)
+{
+	setCommitCallback(boost::bind(&LLGestureComboBox::onCommitGesture, this, _1));
+
+	// now register us as observer since we have a place to put the results
+	gGestureManager.addObserver(this);
+
+	// refresh list from current active gestures
+	refreshGestures();
+}
+
+LLGestureComboBox::~LLGestureComboBox()
+{
+	gGestureManager.removeObserver(this);
+}
+
+void LLGestureComboBox::refreshGestures()
+{
+	//store current selection so we can maintain it
+	std::string cur_gesture = getValue().asString();
+	selectFirstItem();
+	// clear
+	clearRows();
+
+	// collect list of unique gestures
+	std::map <std::string, BOOL> unique;
+	LLGestureManager::item_map_t::iterator it;
+	for (it = gGestureManager.mActive.begin(); it != gGestureManager.mActive.end(); ++it)
+	{
+		LLMultiGesture* gesture = (*it).second;
+		if (gesture)
+		{
+			if (!gesture->mTrigger.empty())
+			{
+				unique[gesture->mTrigger] = TRUE;
+			}
+		}
+	}
+
+	// add unique gestures
+	std::map <std::string, BOOL>::iterator it2;
+	for (it2 = unique.begin(); it2 != unique.end(); ++it2)
+	{
+		addSimpleElement((*it2).first);
+	}
+
+	sortByName();
+	// Insert label after sorting, at top, with separator below it
+	addSeparator(ADD_TOP);		
+	addSimpleElement(mLabel, ADD_TOP);
+
+	if (!cur_gesture.empty())
+	{ 
+		selectByValue(LLSD(cur_gesture));
+	}
+	else
+	{
+		selectFirstItem();
+	}
+}
+
+void LLGestureComboBox::onCommitGesture(LLUICtrl* ctrl)
+{
+	LLCtrlListInterface* gestures = getListInterface();
+	if (gestures)
+	{
+		S32 index = gestures->getFirstSelectedIndex();
+		if (index == 0)
+		{
+			return;
+		}
+		const std::string& trigger = gestures->getSelectedValue().asString();
+
+		// pretend the user chatted the trigger string, to invoke
+		// substitution and logging.
+		std::string text(trigger);
+		std::string revised_text;
+		gGestureManager.triggerAndReviseString(text, &revised_text);
+
+		revised_text = utf8str_trim(revised_text);
+		if (!revised_text.empty())
+		{
+			// Don't play nodding animation
+			LLNearbyChatBar::sendChatFromViewer(revised_text, CHAT_TYPE_NORMAL, FALSE);
+		}
+	}
+
+	mGestureLabelTimer.start();
+	// free focus back to chat bar
+	setFocus(FALSE);
+}
+
+//virtual
+void LLGestureComboBox::draw()
+{
+	// HACK: Leave the name of the gesture in place for a few seconds.
+	const F32 SHOW_GESTURE_NAME_TIME = 2.f;
+	if (mGestureLabelTimer.getStarted() && mGestureLabelTimer.getElapsedTimeF32() > SHOW_GESTURE_NAME_TIME)
+	{
+		LLCtrlListInterface* gestures = getListInterface();
+		if (gestures) gestures->selectFirstItem();
+		mGestureLabelTimer.stop();
+	}
+
+	LLComboBox::draw();
+}
+
+LLNearbyChatBar::LLNearbyChatBar() 
+	: LLPanel()
+	, mChatBox(NULL)
+{
+}
+
+//virtual
+BOOL LLNearbyChatBar::postBuild()
+{
+	mChatBox = getChild<LLLineEditor>("chat_box",TRUE,FALSE);
+
+	if (mChatBox)
+	{
+		mChatBox->setCommitCallback(boost::bind(&LLNearbyChatBar::onChatBoxCommit, this));
+		mChatBox->setKeystrokeCallback(&onChatBoxKeystroke, this);
+		mChatBox->setFocusLostCallback(&onChatBoxFocusLost, this);
+
+		mChatBox->setIgnoreArrowKeys(TRUE);
+		mChatBox->setCommitOnFocusLost( FALSE );
+		mChatBox->setRevertOnEsc( FALSE );
+		mChatBox->setIgnoreTab(TRUE);
+		mChatBox->setPassDelete(TRUE);
+		mChatBox->setReplaceNewlinesWithSpaces(FALSE);
+		mChatBox->setMaxTextLength(1023);
+		mChatBox->setEnableLineHistory(TRUE);
+	}
+
+	mTalkBtn = getChild<LLTalkButton>("talk",TRUE,FALSE);
+
+	return TRUE;
+}
+
+//static
+LLNearbyChatBar* LLNearbyChatBar::getInstance()
+{
+	return LLBottomTray::getInstance() ? LLBottomTray::getInstance()->getNearbyChatBar() : NULL;
+}
+
+std::string LLNearbyChatBar::getCurrentChat()
+{
+	return mChatBox ? mChatBox->getText() : LLStringUtil::null;
+}
+
+// virtual
+BOOL LLNearbyChatBar::handleKeyHere( KEY key, MASK mask )
+{
+	BOOL handled = FALSE;
+
+	// ALT-RETURN is reserved for windowed/fullscreen toggle
+	if( KEY_RETURN == key && mask == MASK_CONTROL)
+	{
+		// shout
+		sendChat(CHAT_TYPE_SHOUT);
+		handled = TRUE;
+	}
+
+	return handled;
+}
+
+void LLNearbyChatBar::onChatBoxKeystroke(LLLineEditor* caller, void* userdata)
+{
+	LLNearbyChatBar* self = (LLNearbyChatBar *)userdata;
+
+	LLWString raw_text;
+	if (self->mChatBox) raw_text = self->mChatBox->getWText();
+
+	// Can't trim the end, because that will cause autocompletion
+	// to eat trailing spaces that might be part of a gesture.
+	LLWStringUtil::trimHead(raw_text);
+
+	S32 length = raw_text.length();
+
+	if( (length > 0) && (raw_text[0] != '/') )  // forward slash is used for escape (eg. emote) sequences
+	{
+		gAgent.startTyping();
+	}
+	else
+	{
+		gAgent.stopTyping();
+	}
+
+	/* Doesn't work -- can't tell the difference between a backspace
+	   that killed the selection vs. backspace at the end of line.
+	if (length > 1 
+		&& text[0] == '/'
+		&& key == KEY_BACKSPACE)
+	{
+		// the selection will already be deleted, but we need to trim
+		// off the character before
+		std::string new_text = raw_text.substr(0, length-1);
+		self->mInputEditor->setText( new_text );
+		self->mInputEditor->setCursorToEnd();
+		length = length - 1;
+	}
+	*/
+
+	KEY key = gKeyboard->currentKey();
+
+	// Ignore "special" keys, like backspace, arrows, etc.
+	if (length > 1 
+		&& raw_text[0] == '/'
+		&& key < KEY_SPECIAL)
+	{
+		// we're starting a gesture, attempt to autocomplete
+
+		std::string utf8_trigger = wstring_to_utf8str(raw_text);
+		std::string utf8_out_str(utf8_trigger);
+
+		if (gGestureManager.matchPrefix(utf8_trigger, &utf8_out_str))
+		{
+			if (self->mChatBox)
+			{
+				std::string rest_of_match = utf8_out_str.substr(utf8_trigger.size());
+				self->mChatBox->setText(utf8_trigger + rest_of_match); // keep original capitalization for user-entered part
+				S32 outlength = self->mChatBox->getLength(); // in characters
+			
+				// Select to end of line, starting from the character
+				// after the last one the user typed.
+				self->mChatBox->setSelection(length, outlength);
+			}
+		}
+
+		//llinfos << "GESTUREDEBUG " << trigger 
+		//	<< " len " << length
+		//	<< " outlen " << out_str.getLength()
+		//	<< llendl;
+	}
+}
+
+// static
+void LLNearbyChatBar::onChatBoxFocusLost(LLFocusableElement* caller, void* userdata)
+{
+	// stop typing animation
+	gAgent.stopTyping();
+}
+
+void LLNearbyChatBar::sendChat( EChatType type )
+{
+	if (mChatBox)
+	{
+		LLWString text = mChatBox->getConvertedText();
+		if (!text.empty())
+		{
+			// store sent line in history, duplicates will get filtered
+			mChatBox->updateHistory();
+			// Check if this is destined for another channel
+			S32 channel = 0;
+			stripChannelNumber(text, &channel);
+			
+			std::string utf8text = wstring_to_utf8str(text);
+			// Try to trigger a gesture, if not chat to a script.
+			std::string utf8_revised_text;
+			if (0 == channel)
+			{
+				// discard returned "found" boolean
+				gGestureManager.triggerAndReviseString(utf8text, &utf8_revised_text);
+			}
+			else
+			{
+				utf8_revised_text = utf8text;
+			}
+
+			utf8_revised_text = utf8str_trim(utf8_revised_text);
+
+			if (!utf8_revised_text.empty())
+			{
+				// Chat with animation
+				sendChatFromViewer(utf8_revised_text, type, TRUE);
+			}
+		}
+
+		mChatBox->setText(LLStringExplicit(""));
+	}
+
+	gAgent.stopTyping();
+
+	// If the user wants to stop chatting on hitting return, lose focus
+	// and go out of chat mode.
+	if (gSavedSettings.getBOOL("CloseChatOnReturn"))
+	{
+		stopChat();
+	}
+}
+
+void LLNearbyChatBar::onChatBoxCommit()
+{
+	if (mChatBox && mChatBox->getText().length() > 0)
+	{
+		sendChat(CHAT_TYPE_NORMAL);
+	}
+
+	gAgent.stopTyping();
+}
+
+void LLNearbyChatBar::sendChatFromViewer(const std::string &utf8text, EChatType type, BOOL animate)
+{
+	sendChatFromViewer(utf8str_to_wstring(utf8text), type, animate);
+}
+
+void LLNearbyChatBar::sendChatFromViewer(const LLWString &wtext, EChatType type, BOOL animate)
+{
+	// Look for "/20 foo" channel chats.
+	S32 channel = 0;
+	LLWString out_text = stripChannelNumber(wtext, &channel);
+	std::string utf8_out_text = wstring_to_utf8str(out_text);
+	std::string utf8_text = wstring_to_utf8str(wtext);
+
+	utf8_text = utf8str_trim(utf8_text);
+	if (!utf8_text.empty())
+	{
+		utf8_text = utf8str_truncate(utf8_text, MAX_STRING - 1);
+	}
+
+	// Don't animate for chats people can't hear (chat to scripts)
+	if (animate && (channel == 0))
+	{
+		if (type == CHAT_TYPE_WHISPER)
+		{
+			lldebugs << "You whisper " << utf8_text << llendl;
+			gAgent.sendAnimationRequest(ANIM_AGENT_WHISPER, ANIM_REQUEST_START);
+		}
+		else if (type == CHAT_TYPE_NORMAL)
+		{
+			lldebugs << "You say " << utf8_text << llendl;
+			gAgent.sendAnimationRequest(ANIM_AGENT_TALK, ANIM_REQUEST_START);
+		}
+		else if (type == CHAT_TYPE_SHOUT)
+		{
+			lldebugs << "You shout " << utf8_text << llendl;
+			gAgent.sendAnimationRequest(ANIM_AGENT_SHOUT, ANIM_REQUEST_START);
+		}
+		else
+		{
+			llinfos << "send_chat_from_viewer() - invalid volume" << llendl;
+			return;
+		}
+	}
+	else
+	{
+		if (type != CHAT_TYPE_START && type != CHAT_TYPE_STOP)
+		{
+			lldebugs << "Channel chat: " << utf8_text << llendl;
+		}
+	}
+
+	send_chat_from_viewer(utf8_out_text, type, channel);
+}
+
+// static 
+void LLNearbyChatBar::startChat(const char* line)
+{
+	LLBottomTray *bt = LLBottomTray::getInstance();
+
+	if (!bt)
+		return;
+
+	LLNearbyChatBar* cb = bt->getNearbyChatBar();
+
+	if (!cb || !cb->mChatBox)
+		return;
+
+	bt->setVisible(TRUE);
+	cb->mChatBox->setFocus(TRUE);
+
+	if (line)
+	{
+		std::string line_string(line);
+		cb->mChatBox->setText(line_string);
+	}
+
+	cb->mChatBox->setCursorToEnd();
+}
+
+// Exit "chat mode" and do the appropriate focus changes
+// static
+void LLNearbyChatBar::stopChat()
+{
+	LLBottomTray *bt = LLBottomTray::getInstance();
+
+	if (!bt)
+		return;
+
+	LLNearbyChatBar* cb = bt->getNearbyChatBar();
+
+	if (!cb || !cb->mChatBox)
+		return;
+
+	cb->mChatBox->setFocus(FALSE);
+
+ 	// stop typing animation
+ 	gAgent.stopTyping();
+}
+
+// If input of the form "/20foo" or "/20 foo", returns "foo" and channel 20.
+// Otherwise returns input and channel 0.
+LLWString LLNearbyChatBar::stripChannelNumber(const LLWString &mesg, S32* channel)
+{
+	if (mesg[0] == '/'
+		&& mesg[1] == '/')
+	{
+		// This is a "repeat channel send"
+		*channel = sLastSpecialChatChannel;
+		return mesg.substr(2, mesg.length() - 2);
+	}
+	else if (mesg[0] == '/'
+			 && mesg[1]
+			 && LLStringOps::isDigit(mesg[1]))
+	{
+		// This a special "/20" speak on a channel
+		S32 pos = 0;
+
+		// Copy the channel number into a string
+		LLWString channel_string;
+		llwchar c;
+		do
+		{
+			c = mesg[pos+1];
+			channel_string.push_back(c);
+			pos++;
+		}
+		while(c && pos < 64 && LLStringOps::isDigit(c));
+		
+		// Move the pointer forward to the first non-whitespace char
+		// Check isspace before looping, so we can handle "/33foo"
+		// as well as "/33 foo"
+		while(c && iswspace(c))
+		{
+			c = mesg[pos+1];
+			pos++;
+		}
+		
+		sLastSpecialChatChannel = strtol(wstring_to_utf8str(channel_string).c_str(), NULL, 10);
+		*channel = sLastSpecialChatChannel;
+		return mesg.substr(pos, mesg.length() - pos);
+	}
+	else
+	{
+		// This is normal chat.
+		*channel = 0;
+		return mesg;
+	}
+}
+
+void LLNearbyChatBar::setPTTState(bool state)
+{
+	mTalkBtn->setSpeakBtnToggleState(state);
+}
+
+void send_chat_from_viewer(const std::string& utf8_out_text, EChatType type, S32 channel)
+{
+	LLMessageSystem* msg = gMessageSystem;
+	msg->newMessageFast(_PREHASH_ChatFromViewer);
+	msg->nextBlockFast(_PREHASH_AgentData);
+	msg->addUUIDFast(_PREHASH_AgentID, gAgent.getID());
+	msg->addUUIDFast(_PREHASH_SessionID, gAgent.getSessionID());
+	msg->nextBlockFast(_PREHASH_ChatData);
+	msg->addStringFast(_PREHASH_Message, utf8_out_text);
+	msg->addU8Fast(_PREHASH_Type, type);
+	msg->addS32("Channel", channel);
+
+	gAgent.sendReliableMessage();
+
+	LLViewerStats::getInstance()->incStat(LLViewerStats::ST_CHAT_COUNT);
+}
+
+class LLChatHandler : public LLCommandHandler
+{
+public:
+	// not allowed from outside the app
+	LLChatHandler() : LLCommandHandler("chat", true) { }
+
+    // Your code here
+	bool handle(const LLSD& tokens, const LLSD& query_map,
+				LLWebBrowserCtrl* web)
+	{
+		if (tokens.size() < 2) return false;
+		S32 channel = tokens[0].asInteger();
+		std::string mesg = tokens[1].asString();
+		send_chat_from_viewer(mesg, CHAT_TYPE_NORMAL, channel);
+		return true;
+	}
+};
+
+// Creating the object registers with the dispatcher.
+LLChatHandler gChatHandler;
+
+