/** * @file llviewerhelp.h * @brief Utility functions for the Help system * @author Tofu Linden * * $LicenseInfo:firstyear=2009&license=viewerlgpl$ * 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_LLVIEWERHELP_H #define LL_LLVIEWERHELP_H // The Help UI lives in llfloaterhelpbrowser, llviewerhelp provides a // layer of abstraction that protects help-system-using code from the details of // the Help UI floater and how help topics are converted into URLs. #include "llhelp.h" // our abstract base #include "llsingleton.h" class LLUICtrl; class LLViewerHelp : public LLHelp, public LLSingleton<LLViewerHelp> { LLSINGLETON_EMPTY_CTOR(LLViewerHelp); public: /// display the specified help topic in the help viewer /*virtual*/ void showTopic(const std::string &topic) override; std::string getURL(const std::string& topic) override; // return topic derived from viewer UI focus, else default topic std::string getTopicFromFocus(); /// return default (fallback) topic name suitable for showTopic() /*virtual*/ std::string defaultTopic() override; // return topic to use before the user logs in /*virtual*/ std::string preLoginTopic() override; // return topic to use for the top-level help, invoked by F1 /*virtual*/ std::string f1HelpTopic() override; }; #endif // header guard