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/**
* @file llviewerhelp.h
* @brief Utility functions for the Help system
* @author Tofu Linden
*
* $LicenseInfo:firstyear=2009&license=viewergpl$
*
* Copyright (c) 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.
* $/LicenseInfo$
*/
#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>
{
friend class LLSingleton<LLViewerHelp>;
public:
/// display the specified help topic in the help viewer
/*virtual*/ void showTopic(const std::string &topic);
/// return default (fallback) topic name suitable for showTopic()
/*virtual*/ std::string defaultTopic();
// return topic derived from viewer UI focus, else default topic
std::string getTopicFromFocus();
private:
static void showHelp(); // make sure help UI is visible & raised
static void setRawURL(std::string url); // send URL to help UI
};
#endif // header guard
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