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/**
* @file llemojihelper.h
* @brief Header file for LLEmojiHelper
*
* $LicenseInfo:firstyear=2014&license=viewerlgpl$
* Second Life Viewer Source Code
* Copyright (C) 2014, 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
* $/LicenseInfo$
*/
#pragma once
#include "llhandle.h"
#include "llsingleton.h"
#include <boost/signals2.hpp>
class LLFloater;
class LLUICtrl;
class LLEmojiHelper : public LLSingleton<LLEmojiHelper>
{
LLSINGLETON(LLEmojiHelper) {}
~LLEmojiHelper() override {}
public:
// General
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(llwchar)> commit_cb);
void hideHelper(const LLUICtrl* ctrl_p = nullptr, bool strict = false);
void setIsHideDisabled(bool disabled) { mIsHideDisabled = disabled; };
// Eventing
bool handleKey(const LLUICtrl* ctrl_p, KEY key, MASK mask);
void onCommitEmoji(llwchar emoji);
void onCloseHelper(LLUICtrl* ctrl, const LLSD& param);
typedef boost::signals2::signal<void(LLUICtrl* ctrl, const LLSD& param)> commit_signal_t;
boost::signals2::connection setCloseCallback(const commit_signal_t::slot_type& cb);
protected:
LLUICtrl* getHostCtrl() const { return mHostHandle.get(); }
void setHostCtrl(LLUICtrl* hostctrl_p);
private:
commit_signal_t mCloseSignal;
LLHandle<LLUICtrl> mHostHandle;
LLHandle<LLFloater> mHelperHandle;
boost::signals2::connection mHostCtrlFocusLostConn;
boost::signals2::connection mHelperCommitConn;
boost::signals2::connection mHelperCloseConn;
std::function<void(llwchar)> mEmojiCommitCb;
bool mIsHideDisabled;
};
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