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/**
* @file llchatmentionhelper.h
* @brief Header file for LLChatMentionHelper
*
* $LicenseInfo:firstyear=2025&license=viewerlgpl$
* Second Life Viewer Source Code
* Copyright (C) 2025, 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 LLChatMentionHelper : public LLSingleton<LLChatMentionHelper>
{
LLSINGLETON(LLChatMentionHelper) {}
~LLChatMentionHelper() override {}
public:
bool isActive(const LLUICtrl* ctrl) const;
bool isCursorInNameMention(const LLWString& wtext, S32 cursor_pos, S32* mention_start_pos = nullptr) const;
void showHelper(LLUICtrl* host_ctrl, S32 local_x, S32 local_y, const std::string& av_name, std::function<void(std::string)> commit_cb);
void hideHelper(const LLUICtrl* ctrl = nullptr);
bool handleKey(const LLUICtrl* ctrl, KEY key, MASK mask);
void onCommitName(std::string name_url);
void updateAvatarList(std::vector<std::string> av_names) { mAvatarNames = av_names; }
protected:
void setHostCtrl(LLUICtrl* host_ctrl);
LLUICtrl* getHostCtrl() const { return mHostHandle.get(); }
private:
LLHandle<LLUICtrl> mHostHandle;
LLHandle<LLFloater> mHelperHandle;
boost::signals2::connection mHostCtrlFocusLostConn;
boost::signals2::connection mHelperCommitConn;
std::function<void(std::string)> mNameCommitCb;
std::vector<std::string> mAvatarNames;
};
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