17 files changed, 335 insertions, 36 deletions

diff --git a/indra/llui/llemojidictionary.h b/indra/llui/llemojidictionary.h
index 46a61f1cd7..adc22ced58 100644
--- a/indra/llui/llemojidictionary.h
+++ b/indra/llui/llemojidictionary.h
@@ -61,6 +61,8 @@ public:
 	const LLEmojiDescriptor* getDescriptorFromShortCode(const std::string& short_code) const;
 	std::string getNameFromEmoji(llwchar ch) const;
 
+	const std::map<llwchar, const LLEmojiDescriptor*>& getEmoji2Descr() const { return mEmoji2Descr; }
+
 private:
 	void addEmoji(LLEmojiDescriptor&& descr);
 
diff --git a/indra/llui/llemojihelper.cpp b/indra/llui/llemojihelper.cpp
index 1e4c19a183..fb660a9e5b 100644
--- a/indra/llui/llemojihelper.cpp
+++ b/indra/llui/llemojihelper.cpp
@@ -82,12 +82,12 @@ bool LLEmojiHelper::isCursorInEmojiCode(const LLWString& wtext, S32 cursorPos, S
 	return isShortCode;
 }
 
-void LLEmojiHelper::showHelper(LLUICtrl* hostctrl_p, S32 local_x, S32 local_y, const std::string& short_code, std::function<void(LLWString)> cb)
+void LLEmojiHelper::showHelper(LLUICtrl* hostctrl_p, S32 local_x, S32 local_y, const std::string& short_code, std::function<void(llwchar)> cb)
 {
 	// Commit immediately if the user already typed a full shortcode
 	if (const auto* emojiDescrp = LLEmojiDictionary::instance().getDescriptorFromShortCode(short_code))
 	{
-		cb(LLWString(1, emojiDescrp->Character));
+		cb(emojiDescrp->Character);
 		hideHelper();
 		return;
 	}
@@ -96,7 +96,7 @@ void LLEmojiHelper::showHelper(LLUICtrl* hostctrl_p, S32 local_x, S32 local_y, c
 	{
 		LLFloater* pHelperFloater = LLFloaterReg::getInstance(DEFAULT_EMOJI_HELPER_FLOATER);
 		mHelperHandle = pHelperFloater->getHandle();
-		mHelperCommitConn = pHelperFloater->setCommitCallback(std::bind([&](const LLSD& sdValue) { onCommitEmoji(utf8str_to_wstring(sdValue.asStringRef())); }, std::placeholders::_2));
+		mHelperCommitConn = pHelperFloater->setCommitCallback(std::bind([&](const LLSD& sdValue) { onCommitEmoji(utf8str_to_wstring(sdValue.asStringRef())[0]); }, std::placeholders::_2));
 	}
 	setHostCtrl(hostctrl_p);
 	mEmojiCommitCb = cb;
@@ -135,11 +135,11 @@ bool LLEmojiHelper::handleKey(const LLUICtrl* ctrl_p, KEY key, MASK mask)
 	return mHelperHandle.get()->handleKey(key, mask, true);
 }
 
-void LLEmojiHelper::onCommitEmoji(const LLWString& wstr)
+void LLEmojiHelper::onCommitEmoji(llwchar emoji)
 {
 	if (!mHostHandle.isDead() && mEmojiCommitCb)
 	{
-		mEmojiCommitCb(wstr);
+		mEmojiCommitCb(emoji);
 	}
 }
 
diff --git a/indra/llui/llemojihelper.h b/indra/llui/llemojihelper.h
index 63f5c640c9..58f68d12a4 100644
--- a/indra/llui/llemojihelper.h
+++ b/indra/llui/llemojihelper.h
@@ -44,12 +44,12 @@ public:
 	std::string getToolTip(llwchar ch) const;
 	bool        isActive(const LLUICtrl* ctrl_p) const;
 	static bool isCursorInEmojiCode(const LLWString& wtext, S32 cursor_pos, S32* short_code_pos_p = nullptr);
-	void        showHelper(LLUICtrl* hostctrl_p, S32 local_x, S32 local_y, const std::string& short_code, std::function<void(LLWString)> commit_cb);
+	void        showHelper(LLUICtrl* hostctrl_p, S32 local_x, S32 local_y, const std::string& short_code, std::function<void(llwchar)> commit_cb);
 	void        hideHelper(const LLUICtrl* ctrl_p = nullptr);
 
 	// Eventing
 	bool handleKey(const LLUICtrl* ctrl_p, KEY key, MASK mask);
-	void onCommitEmoji(const LLWString& wstr);
+	void onCommitEmoji(llwchar emoji);
 
 protected:
 	LLUICtrl* getHostCtrl() const { return mHostHandle.get(); }
@@ -60,5 +60,5 @@ private:
 	LLHandle<LLFloater> mHelperHandle;
 	boost::signals2::connection mHostCtrlFocusLostConn;
 	boost::signals2::connection mHelperCommitConn;
-	std::function<void(LLWString)> mEmojiCommitCb;
+	std::function<void(llwchar)> mEmojiCommitCb;
 };
diff --git a/indra/llui/llscrolllistctrl.cpp b/indra/llui/llscrolllistctrl.cpp
index 219667f766..2a6e8a6b76 100644
--- a/indra/llui/llscrolllistctrl.cpp
+++ b/indra/llui/llscrolllistctrl.cpp
@@ -411,7 +411,7 @@ void LLScrollListCtrl::clearRows()
 LLScrollListItem* LLScrollListCtrl::getFirstSelected() const
 {
 	item_list::const_iterator iter;
-	for(iter = mItemList.begin(); iter != mItemList.end(); iter++)
+	for (iter = mItemList.begin(); iter != mItemList.end(); iter++)
 	{
 		LLScrollListItem* item  = *iter;
 		if (item->getSelected())
diff --git a/indra/llui/lltexteditor.cpp b/indra/llui/lltexteditor.cpp
index a85ac2a5a3..95d8b666ab 100644
--- a/indra/llui/lltexteditor.cpp
+++ b/indra/llui/lltexteditor.cpp
@@ -680,18 +680,24 @@ void LLTextEditor::selectByCursorPosition(S32 prev_cursor_pos, S32 next_cursor_p
 	endSelection();
 }
 
-void LLTextEditor::handleEmojiCommit(const LLWString& wstr)
+void LLTextEditor::insertEmoji(llwchar emoji)
 {
-	LLWString wtext(getWText()); S32 shortCodePos;
-	if (LLEmojiHelper::isCursorInEmojiCode(wtext, mCursorPos, &shortCodePos))
+	auto styleParams = LLStyle::Params();
+	styleParams.font = LLFontGL::getFontEmoji();
+	auto segment = new LLEmojiTextSegment(new LLStyle(styleParams), mCursorPos, mCursorPos + 1, *this);
+	insert(mCursorPos, LLWString(1, emoji), false, segment);
+	setCursorPos(mCursorPos + 1);
+}
+
+void LLTextEditor::handleEmojiCommit(llwchar emoji)
+{
+	S32 shortCodePos;
+	if (LLEmojiHelper::isCursorInEmojiCode(getWText(), mCursorPos, &shortCodePos))
 	{
 		remove(shortCodePos, mCursorPos - shortCodePos, true);
+		setCursorPos(shortCodePos);
 
-		auto styleParams = LLStyle::Params();
-		styleParams.font = LLFontGL::getFontEmoji();
-		insert(shortCodePos, wstr, false, new LLEmojiTextSegment(new LLStyle(styleParams), shortCodePos, shortCodePos + wstr.size(), *this));
-
-		setCursorPos(shortCodePos + 1);
+		insertEmoji(emoji);
 	}
 }
 
diff --git a/indra/llui/lltexteditor.h b/indra/llui/lltexteditor.h
index dabd0460c6..f830732cb8 100644
--- a/indra/llui/lltexteditor.h
+++ b/indra/llui/lltexteditor.h
@@ -92,7 +92,8 @@ public:
 
 	static S32		spacesPerTab();
 
-	        void    handleEmojiCommit(const LLWString& wstr);
+	void    insertEmoji(llwchar emoji);
+	void    handleEmojiCommit(llwchar emoji);
 
 	// mousehandler overrides
 	virtual BOOL	handleMouseDown(S32 x, S32 y, MASK mask);
diff --git a/indra/newview/CMakeLists.txt b/indra/newview/CMakeLists.txt
index ab0c60a402..1f8b937965 100644
--- a/indra/newview/CMakeLists.txt
+++ b/indra/newview/CMakeLists.txt
@@ -205,6 +205,7 @@ set(viewer_SOURCE_FILES
     llfloaterdisplayname.cpp
     llfloatereditenvironmentbase.cpp
     llfloatereditextdaycycle.cpp
+    llfloateremojipicker.cpp
     llfloaterenvironmentadjust.cpp
     llfloaterevent.cpp
     llfloaterexperiencepicker.cpp
@@ -845,6 +846,7 @@ set(viewer_HEADER_FILES
     llfloaterdisplayname.h
     llfloatereditenvironmentbase.h
     llfloatereditextdaycycle.h
+    llfloateremojipicker.h
     llfloaterenvironmentadjust.h
     llfloaterevent.h
     llfloaterexperiencepicker.h
diff --git a/indra/newview/llfloateremojipicker.cpp b/indra/newview/llfloateremojipicker.cpp
new file mode 100644
index 0000000000..c828a95a59
--- /dev/null
+++ b/indra/newview/llfloateremojipicker.cpp
@@ -0,0 +1,143 @@
+/**
+ * @file llfloateremojipicker.cpp
+ *
+ * $LicenseInfo:firstyear=2003&license=viewerlgpl$
+ * 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 "llviewerprecompiledheaders.h"
+
+#include "llfloateremojipicker.h"
+
+#include "llfloaterreg.h"
+#include "llscrolllistctrl.h"
+#include "llscrolllistitem.h"
+#include "llemojidictionary.h"
+
+class LLEmojiScrollListItem : public LLScrollListItem
+{
+public:
+	LLEmojiScrollListItem(const llwchar emoji, const LLScrollListItem::Params& params)
+		: LLScrollListItem(params)
+		, mEmoji(emoji)
+	{
+	}
+
+	llwchar getEmoji() const { return mEmoji; }
+
+	virtual void draw(const LLRect& rect,
+		const LLColor4& fg_color,
+		const LLColor4& hover_color, // highlight/hover selection of whole item or cell
+		const LLColor4& select_color, // highlight/hover selection of whole item or cell
+		const LLColor4& highlight_color, // highlights contents of cells (ex: text)
+		S32 column_padding) override
+	{
+		LLScrollListItem::draw(rect, fg_color, hover_color, select_color, highlight_color, column_padding);
+
+		S32 width = getColumn(0)->getWidth();
+		LLFontGL::getFontEmoji()->render(LLWString(1, mEmoji), 0, rect.mLeft + width / 2, rect.getCenterY(), LLColor4::white,
+			LLFontGL::HCENTER, LLFontGL::VCENTER, LLFontGL::NORMAL, LLFontGL::DROP_SHADOW_SOFT, 1, S32_MAX, nullptr, false, true);
+	}
+
+private:
+	llwchar mEmoji;
+};
+
+LLFloaterEmojiPicker* LLFloaterEmojiPicker::getInstance()
+{
+	LLFloaterEmojiPicker* floater = LLFloaterReg::getTypedInstance<LLFloaterEmojiPicker>("emoji_picker");
+	if (!floater)
+		LL_WARNS() << "Cannot instantiate emoji picker" << LL_ENDL;
+	return floater;
+}
+
+LLFloaterEmojiPicker* LLFloaterEmojiPicker::showInstance(select_callback_t callback)
+{
+	LLFloaterEmojiPicker* floater = getInstance();
+	if (LLFloaterEmojiPicker* floater = getInstance())
+		floater->show(callback);
+	return floater;
+}
+
+void LLFloaterEmojiPicker::show(select_callback_t callback)
+{
+	mSelectCallback = callback;
+	openFloater(mKey);
+	setFocus(TRUE);
+}
+
+LLFloaterEmojiPicker::LLFloaterEmojiPicker(const LLSD& key)
+: LLFloater(key)
+{
+}
+
+BOOL LLFloaterEmojiPicker::postBuild()
+{
+	if (mEmojis = getChild<LLScrollListCtrl>("Emojis"))
+	{
+		mEmojis->setDoubleClickCallback(boost::bind(&LLFloaterEmojiPicker::onSelect, this));
+
+		mEmojis->clearRows();
+
+		const std::map<llwchar, const LLEmojiDescriptor*>& emoji2Descr = LLEmojiDictionary::instance().getEmoji2Descr();
+		for (const std::pair<llwchar, const LLEmojiDescriptor*>& it : emoji2Descr)
+		{
+			LLScrollListItem::Params params;
+			params.columns.add().column("name").value(it.second->Name);
+			mEmojis->addRow(new LLEmojiScrollListItem(it.first, params), params);
+		}
+	}
+
+	return TRUE;
+}
+
+LLFloaterEmojiPicker::~LLFloaterEmojiPicker()
+{
+	gFocusMgr.releaseFocusIfNeeded( this );
+}
+
+void LLFloaterEmojiPicker::onSelect()
+{
+	if (mEmojis && mSelectCallback)
+	{
+		if (LLEmojiScrollListItem* item = dynamic_cast<LLEmojiScrollListItem*>(mEmojis->getFirstSelected()))
+		{
+			mSelectCallback(item->getEmoji());
+		}
+	}
+}
+
+// virtual
+BOOL LLFloaterEmojiPicker::handleKeyHere(KEY key, MASK mask)
+{
+	if (key == KEY_RETURN && mask == MASK_NONE)
+	{
+		onSelect();
+		return TRUE;
+	}
+	else if (key == KEY_ESCAPE && mask == MASK_NONE)
+	{
+		closeFloater();
+		return TRUE;
+	}
+
+	return LLFloater::handleKeyHere(key, mask);
+}
diff --git a/indra/newview/llfloateremojipicker.h b/indra/newview/llfloateremojipicker.h
new file mode 100644
index 0000000000..9b442064d0
--- /dev/null
+++ b/indra/newview/llfloateremojipicker.h
@@ -0,0 +1,59 @@
+/**
+ * @file llfloateremojipicker.h
+ * @brief Header file for llfloateremojipicker
+ *
+ * $LicenseInfo:firstyear=2003&license=viewerlgpl$
+ * 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 LLFLOATEREMOJIPICKER_H
+#define LLFLOATEREMOJIPICKER_H
+
+#include "llfloater.h"
+
+class LLFloaterEmojiPicker : public LLFloater
+{
+public:
+	// The callback function will be called with an emoji char.
+	typedef boost::function<void (llwchar)> select_callback_t;
+
+	// Call this to select an emoji.
+	static LLFloaterEmojiPicker* getInstance();
+	static LLFloaterEmojiPicker* showInstance(select_callback_t callback);
+
+	LLFloaterEmojiPicker(const LLSD& key);
+	virtual ~LLFloaterEmojiPicker();
+
+	virtual	BOOL postBuild();
+
+	void show(select_callback_t callback);
+
+private:
+	void onSelect();
+
+	virtual BOOL handleKeyHere(KEY key, MASK mask);
+
+	class LLScrollListCtrl* mEmojis;
+	select_callback_t mSelectCallback;
+	std::string mEmojiName;
+};
+
+#endif
diff --git a/indra/newview/llfloaterimsessiontab.cpp b/indra/newview/llfloaterimsessiontab.cpp
index 78271369d2..3d9751dd35 100644
--- a/indra/newview/llfloaterimsessiontab.cpp
+++ b/indra/newview/llfloaterimsessiontab.cpp
@@ -40,6 +40,7 @@
 #include "llchicletbar.h"
 #include "lldraghandle.h"
 #include "llfloaterreg.h"
+#include "llfloateremojipicker.h"
 #include "llfloaterimsession.h"
 #include "llfloaterimcontainer.h" // to replace separate IM Floaters with multifloater container
 #include "lllayoutstack.h"
@@ -250,10 +251,13 @@ BOOL LLFloaterIMSessionTab::postBuild()
 	mTearOffBtn = getChild<LLButton>("tear_off_btn");
 	mTearOffBtn->setCommitCallback(boost::bind(&LLFloaterIMSessionTab::onTearOffClicked, this));
 
+	mEmojiBtn = getChild<LLButton>("emoji_panel_btn");
+	mEmojiBtn->setClickedCallback(boost::bind(&LLFloaterIMSessionTab::onEmojiPanelBtnClicked, this));
+
 	mGearBtn = getChild<LLButton>("gear_btn");
     mAddBtn = getChild<LLButton>("add_btn");
 	mVoiceButton = getChild<LLButton>("voice_call_btn");
-    
+
 	mParticipantListPanel = getChild<LLLayoutPanel>("speakers_list_panel");
 	mRightPartPanel = getChild<LLLayoutPanel>("right_part_holder");
 
@@ -424,6 +428,30 @@ void LLFloaterIMSessionTab::onInputEditorClicked()
 	gToolBarView->flashCommand(LLCommandId("chat"), false);
 }
 
+void LLFloaterIMSessionTab::onEmojiPanelBtnClicked(LLFloaterIMSessionTab* self)
+{
+	if (LLFloaterEmojiPicker* picker = LLFloaterEmojiPicker::getInstance())
+	{
+		if (!picker->isShown())
+		{
+			picker->show(boost::bind(&LLFloaterIMSessionTab::onEmojiSelected, self, _1));
+			if (LLFloater* root_floater = gFloaterView->getParentFloater(self))
+			{
+				root_floater->addDependentFloater(picker);
+			}
+		}
+		else
+		{
+			picker->closeFloater();
+		}
+	}
+}
+
+void LLFloaterIMSessionTab::onEmojiSelected(llwchar emoji)
+{
+	mInputEditor->insertEmoji(emoji);
+}
+
 std::string LLFloaterIMSessionTab::appendTime()
 {
 	time_t utc_time;
diff --git a/indra/newview/llfloaterimsessiontab.h b/indra/newview/llfloaterimsessiontab.h
index 9f00917647..cd5065420d 100644
--- a/indra/newview/llfloaterimsessiontab.h
+++ b/indra/newview/llfloaterimsessiontab.h
@@ -181,6 +181,7 @@ protected:
 	LLButton* mExpandCollapseLineBtn;
 	LLButton* mExpandCollapseBtn;
 	LLButton* mTearOffBtn;
+	LLButton* mEmojiBtn;
 	LLButton* mCloseBtn;
 	LLButton* mGearBtn;
 	LLButton* mAddBtn;
@@ -206,6 +207,9 @@ private:
 
 	void onInputEditorClicked();
 
+	static void onEmojiPanelBtnClicked(LLFloaterIMSessionTab* self);
+	void onEmojiSelected(llwchar emoji);
+
 	bool checkIfTornOff();
     bool mIsHostAttached;
     bool mHasVisibleBeenInitialized;
diff --git a/indra/newview/llviewerfloaterreg.cpp b/indra/newview/llviewerfloaterreg.cpp
index 1c1aa9ea47..483b22adc8 100644
--- a/indra/newview/llviewerfloaterreg.cpp
+++ b/indra/newview/llviewerfloaterreg.cpp
@@ -65,6 +65,7 @@
 #include "llfloaterdestinations.h"
 #include "llfloaterdisplayname.h"
 #include "llfloatereditextdaycycle.h"
+#include "llfloateremojipicker.h"
 #include "llfloaterenvironmentadjust.h"
 #include "llfloaterexperienceprofile.h"
 #include "llfloaterexperiences.h"
@@ -329,7 +330,7 @@ void LLViewerFloaterReg::registerFloaters()
 	LLFloaterReg::add("camera_presets", "floater_camera_presets.xml", (LLFloaterBuildFunc)&LLFloaterReg::build<LLFloaterCameraPresets>);
 	LLFloaterReg::add("chat_voice", "floater_voice_chat_volume.xml", (LLFloaterBuildFunc)&LLFloaterReg::build<LLFloaterChatVoiceVolume>);
 	LLFloaterReg::add("nearby_chat", "floater_im_session.xml", (LLFloaterBuildFunc)&LLFloaterIMNearbyChat::buildFloater);
-    LLFloaterReg::add("classified", "floater_classified.xml", (LLFloaterBuildFunc)&LLFloaterReg::build<LLFloaterClassified>);
+	LLFloaterReg::add("classified", "floater_classified.xml", (LLFloaterBuildFunc)&LLFloaterReg::build<LLFloaterClassified>);
 	LLFloaterReg::add("compile_queue", "floater_script_queue.xml", (LLFloaterBuildFunc)&LLFloaterReg::build<LLFloaterCompileQueue>);
 	LLFloaterReg::add("conversation", "floater_conversation_log.xml", (LLFloaterBuildFunc)&LLFloaterReg::build<LLFloaterConversationLog>);
 	LLFloaterReg::add("add_landmark", "floater_create_landmark.xml", (LLFloaterBuildFunc)&LLFloaterReg::build<LLFloaterCreateLandmark>);
@@ -337,19 +338,20 @@ void LLViewerFloaterReg::registerFloaters()
 	LLFloaterReg::add("delete_pref_preset", "floater_delete_pref_preset.xml", (LLFloaterBuildFunc)&LLFloaterReg::build<LLFloaterDeletePrefPreset>);
 	LLFloaterReg::add("destinations", "floater_destinations.xml", (LLFloaterBuildFunc)&LLFloaterReg::build<LLFloaterDestinations>);
 
-	LLFloaterReg::add("emoji_complete", "floater_emoji_complete.xml", &LLFloaterReg::build<LLFloaterEmojiComplete>);
+	LLFloaterReg::add("emoji_picker", "floater_emoji_picker.xml", (LLFloaterBuildFunc)&LLFloaterReg::build<LLFloaterEmojiPicker>);
+	LLFloaterReg::add("emoji_complete", "floater_emoji_complete.xml", (LLFloaterBuildFunc)&LLFloaterReg::build<LLFloaterEmojiComplete>);
 	LLFloaterReg::add("env_post_process", "floater_post_process.xml", (LLFloaterBuildFunc)&LLFloaterReg::build<LLFloaterPostProcess>);
 
-    LLFloaterReg::add("env_fixed_environmentent_water", "floater_fixedenvironment.xml", (LLFloaterBuildFunc)&LLFloaterReg::build<LLFloaterFixedEnvironmentWater>);
-    LLFloaterReg::add("env_fixed_environmentent_sky", "floater_fixedenvironment.xml", (LLFloaterBuildFunc)&LLFloaterReg::build<LLFloaterFixedEnvironmentSky>);
+	LLFloaterReg::add("env_fixed_environmentent_water", "floater_fixedenvironment.xml", (LLFloaterBuildFunc)&LLFloaterReg::build<LLFloaterFixedEnvironmentWater>);
+	LLFloaterReg::add("env_fixed_environmentent_sky", "floater_fixedenvironment.xml", (LLFloaterBuildFunc)&LLFloaterReg::build<LLFloaterFixedEnvironmentSky>);
 
-    LLFloaterReg::add("env_adjust_snapshot", "floater_adjust_environment.xml", (LLFloaterBuildFunc)&LLFloaterReg::build<LLFloaterEnvironmentAdjust>);
+	LLFloaterReg::add("env_adjust_snapshot", "floater_adjust_environment.xml", (LLFloaterBuildFunc)&LLFloaterReg::build<LLFloaterEnvironmentAdjust>);
 
-    LLFloaterReg::add("env_edit_extdaycycle", "floater_edit_ext_day_cycle.xml", (LLFloaterBuildFunc)&LLFloaterReg::build<LLFloaterEditExtDayCycle>);
-    LLFloaterReg::add("my_environments", "floater_my_environments.xml", (LLFloaterBuildFunc)&LLFloaterReg::build<LLFloaterMyEnvironment>);
+	LLFloaterReg::add("env_edit_extdaycycle", "floater_edit_ext_day_cycle.xml", (LLFloaterBuildFunc)&LLFloaterReg::build<LLFloaterEditExtDayCycle>);
+	LLFloaterReg::add("my_environments", "floater_my_environments.xml", (LLFloaterBuildFunc)&LLFloaterReg::build<LLFloaterMyEnvironment>);
 
-    LLFloaterReg::add("event", "floater_event.xml", (LLFloaterBuildFunc)&LLFloaterReg::build<LLFloaterEvent>);
-    LLFloaterReg::add("experiences", "floater_experiences.xml", (LLFloaterBuildFunc)&LLFloaterReg::build<LLFloaterExperiences>);
+	LLFloaterReg::add("event", "floater_event.xml", (LLFloaterBuildFunc)&LLFloaterReg::build<LLFloaterEvent>);
+	LLFloaterReg::add("experiences", "floater_experiences.xml", (LLFloaterBuildFunc)&LLFloaterReg::build<LLFloaterExperiences>);
 	LLFloaterReg::add("experience_profile", "floater_experienceprofile.xml", (LLFloaterBuildFunc)&LLFloaterReg::build<LLFloaterExperienceProfile>);
 	LLFloaterReg::add("experience_search", "floater_experience_search.xml", (LLFloaterBuildFunc)&LLFloaterReg::build<LLFloaterExperiencePicker>);
 
diff --git a/indra/newview/skins/default/textures/icons/emoji_picker_icon.png b/indra/newview/skins/default/textures/icons/emoji_picker_icon.png
new file mode 100644
index 0000000000..668dcaf193
--- /dev/null
+++ b/indra/newview/skins/default/textures/icons/emoji_picker_icon.png
diff --git a/indra/newview/skins/default/textures/textures.xml b/indra/newview/skins/default/textures/textures.xml
index 1f2c0867c4..f69f1df71a 100644
--- a/indra/newview/skins/default/textures/textures.xml
+++ b/indra/newview/skins/default/textures/textures.xml
@@ -205,6 +205,7 @@ with the same filename but different name
 
   <texture name="DropTarget" file_name="widgets/DropTarget.png" preload="false" />
 
+  <texture name="Emoji_Picker_Icon" file_name="icons/emoji_picker_icon.png" preload="true" />
   <texture name="ExternalBrowser_Off" file_name="icons/ExternalBrowser_Off.png" preload="false" />
   <texture name="Edit_Wrench" file_name="icons/Edit_Wrench.png" preload="false" />
 
@@ -212,7 +213,7 @@ with the same filename but different name
 
   <texture name="Presets_Icon" file_name="icons/Presets_Icon.png" preload="true" />
   <texture name="Presets_Icon_Graphic" file_name="icons/Presets_Icon_Graphic.png" preload="true" />
- <texture name="Favorite_Star_Active" file_name="navbar/Favorite_Star_Active.png" preload="false" />
+  <texture name="Favorite_Star_Active" file_name="navbar/Favorite_Star_Active.png" preload="false" />
   <texture name="Favorite_Star_Off" file_name="navbar/Favorite_Star_Off.png" preload="false" />
   <texture name="Favorite_Star_Press" file_name="navbar/Favorite_Star_Press.png" preload="false" />
   <texture name="Favorite_Star_Over" file_name="navbar/Favorite_Star_Over.png" preload="false" />
@@ -328,7 +329,7 @@ with the same filename but different name
   <texture name="Inv_Underpants" file_name="icons/Inv_Underpants.png" preload="false" />
   <texture name="Inv_Undershirt" file_name="icons/Inv_Undershirt.png" preload="false" />
   <texture name="Inv_Link" file_name="icons/Inv_Link.png" preload="false" />
-    <texture name="Inv_Settings" file_name="icons/Inv_Settings.png" preload="false" />
+  <texture name="Inv_Settings" file_name="icons/Inv_Settings.png" preload="false" />
   <texture name="Inv_SettingsSky" file_name="icons/Inv_SettingsSky.png" preload="false" />
   <texture name="Inv_SettingsWater" file_name="icons/Inv_SettingsWater.png" preload="false" />
   <texture name="Inv_SettingsDay" file_name="icons/Inv_SettingsDay.png" preload="false" />
diff --git a/indra/newview/skins/default/xui/en/floater_emoji_picker.xml b/indra/newview/skins/default/xui/en/floater_emoji_picker.xml
new file mode 100644
index 0000000000..a3e504cc31
--- /dev/null
+++ b/indra/newview/skins/default/xui/en/floater_emoji_picker.xml
@@ -0,0 +1,39 @@
+<?xml version="1.0" encoding="utf-8" standalone="yes" ?>
+<floater
+  name="emojipicker"
+  title="CHOOSE EMOJI"
+  help_topic="emojipicker"
+  positioning="cascading"
+  legacy_header_height="10"
+  can_resize="false"
+  layout="topleft"
+  height="419"
+  width="200">
+    <panel
+      label="Emojis"
+      name="EmojiPanel"
+      help_topic="emojipicker"
+      layout="topleft"
+      top="4"
+      left="2"
+      height="410"
+      width="196">
+      <scroll_list
+        draw_heading="true"
+        heading_height="28"
+        follows="all"
+        layout="topleft"
+        name="Emojis"
+        sort_column="0"
+		height="410">
+        <columns
+          label="Look"
+          name="look"
+          width="40" />
+		<columns
+          label="Name"
+          name="name"
+          width="150" />
+	  </scroll_list>
+    </panel>
+</floater>
diff --git a/indra/newview/skins/default/xui/en/floater_im_session.xml b/indra/newview/skins/default/xui/en/floater_im_session.xml
index da84fbeea6..1592352d1b 100644
--- a/indra/newview/skins/default/xui/en/floater_im_session.xml
+++ b/indra/newview/skins/default/xui/en/floater_im_session.xml
@@ -297,8 +297,20 @@
                          tab_group="3"
                          bottom="-8"
                          left_pad="5"
-                         right="-5"
+                         right="-30"
                          wrap="true" />
+                        <button
+                         follows="right|bottom"
+                         bottom="-7"
+                         height="25"
+                         image_hover_unselected="Toolbar_Middle_Over"
+                         image_overlay="Emoji_Picker_Icon"
+                         image_selected="Toolbar_Middle_Selected"
+                         image_unselected="Toolbar_Middle_Off"
+                         right="-1"
+                         name="emoji_panel_btn"
+                         tool_tip="Shows/hides emoji panel"
+                         width="25"/>
                     </layout_panel>
                     <layout_panel
                      auto_resize="false"
diff --git a/indra/newview/skins/default/xui/en/strings.xml b/indra/newview/skins/default/xui/en/strings.xml
index 2fd2028c6b..5687fe55a5 100644
--- a/indra/newview/skins/default/xui/en/strings.xml
+++ b/indra/newview/skins/default/xui/en/strings.xml
@@ -485,9 +485,9 @@ http://secondlife.com/support for help fixing this problem.
 	<!-- build floater -->
 	<string name="multiple_textures">Multiple</string>
 
-<string name="use_texture">Use texture</string>
-    <string name="manip_hint1">Move mouse cursor over ruler</string>
-    <string name="manip_hint2">to snap to grid</string>
+	<string name="use_texture">Use texture</string>
+	<string name="manip_hint1">Move mouse cursor over ruler</string>
+	<string name="manip_hint2">to snap to grid</string>
 
 	<!-- world map -->
 	<string name="texture_loading">Loading...</string>
@@ -502,14 +502,14 @@ http://secondlife.com/support for help fixing this problem.
 
 	<!-- Chat -->
 	<string name="NearbyChatTitle">Nearby chat</string>
-  <string name="NearbyChatLabel">(Nearby chat)</string>
+	<string name="NearbyChatLabel">(Nearby chat)</string>
 	<string name="whisper">whispers:</string>
 	<string name="shout">shouts:</string>
 	<string name="ringing">Connecting to in-world Voice Chat...</string>
 	<string name="connected">Connected</string>
 	<string name="unavailable">Voice not available at your current location</string>
 	<string name="hang_up">Disconnected from in-world Voice Chat</string>
-  <string name="reconnect_nearby">You will now be reconnected to Nearby Voice Chat</string>
+	<string name="reconnect_nearby">You will now be reconnected to Nearby Voice Chat</string>
 	<string name="ScriptQuestionCautionChatGranted">'[OBJECTNAME]', an object owned by '[OWNERNAME]', located in [REGIONNAME] at [REGIONPOS], has been granted permission to: [PERMISSIONS].</string>
 	<string name="ScriptQuestionCautionChatDenied">'[OBJECTNAME]', an object owned by '[OWNERNAME]', located in [REGIONNAME] at [REGIONPOS], has been denied permission to: [PERMISSIONS].</string>
 	<string name="AdditionalPermissionsRequestHeader">If you allow access to your account, you will also be allowing the object to:</string>