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/** 
 * @file llurllineeditorctrl.h
 * @brief Combobox-like location input control
 *
 * $LicenseInfo:firstyear=2009&license=viewerlgpl$
 * 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 LLURLLINEEDITOR_H_
#define LLURLLINEEDITOR_H_

#include "linden_common.h"

#include "lllineeditor.h"
#include "lluictrl.h"

// LLURLLineEditor class performing escaping of an URL while copying or cutting the target text
class LLURLLineEditor: public LLLineEditor {
	LOG_CLASS( LLURLLineEditor);

public:
	// LLLineEditor overrides to do necessary escaping
	/*virtual*/		void copy();
	/*virtual*/ 	void cut();

protected:
	LLURLLineEditor(const Params&);
	friend class LLUICtrlFactory;
	friend class LLFloaterEditUI;

private:
	// util function to escape selected text and copy it to clipboard
	void 			copyEscapedURLToClipboard();

	// Helper class to do rollback if needed
	class LLURLLineEditorRollback
	{
	public:
		LLURLLineEditorRollback( LLURLLineEditor* ed )
			:
			mCursorPos( ed->mCursorPos ),
			mScrollHPos( ed->mScrollHPos ),
			mIsSelecting( ed->mIsSelecting ),
			mSelectionStart( ed->mSelectionStart ),
			mSelectionEnd( ed->mSelectionEnd )
		{
			mText = ed->getText();
		}

		void doRollback( LLURLLineEditor* ed )
		{
			ed->mCursorPos = mCursorPos;
			ed->mScrollHPos = mScrollHPos;
			ed->mIsSelecting = mIsSelecting;
			ed->mSelectionStart = mSelectionStart;
			ed->mSelectionEnd = mSelectionEnd;
			ed->mText = mText;
			ed->mPrevText = mText;
		}

		std::string getText()   { return mText; }

	private:
		std::string mText;
		S32		mCursorPos;
		S32		mScrollHPos;
		BOOL	mIsSelecting;
		S32		mSelectionStart;
		S32		mSelectionEnd;
	}; // end class LLURLLineEditorRollback

};

#endif /* LLURLLINEEDITOR_H_ */