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// cmdline_spinner.h -*-c++-*-
//
// Copyright (C) 2005, 2010 Daniel Burrows
//
// This program is free software; you can redistribute it and/or
// modify it under the terms of the GNU General Public License as
// published by the Free Software Foundation; either version 2 of
// the License, or (at your option) any later version.
//
// This program 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
// General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program; see the file COPYING. If not, write to
// the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
// Boston, MA 02111-1307, USA.
//
#ifndef CMDLINE_SPINNER_H
#define CMDLINE_SPINNER_H
#include <boost/shared_ptr.hpp>
#include <string>
/** \brief A generic spinner (for use with the background resolver)
*
* \file cmdline_spinner.h
*/
namespace aptitude
{
namespace cmdline
{
class terminal_metrics;
}
}
/** A spinner for command-line output. */
class cmdline_spinner
{
std::string msg;
/** The number of spins. */
int count;
/** The quietness of this spinner. */
int quiet_level;
boost::shared_ptr<aptitude::cmdline::terminal_metrics> term_metrics;
public:
cmdline_spinner(int _quiet_level,
const boost::shared_ptr<aptitude::cmdline::terminal_metrics> &_term_metrics);
/** Display the current spinner state, overwriting the current
* terminal line.
*/
void display() const;
/** Return a spin character for the given tick count. */
virtual char spin_char() const;
/** Advance the spinner one position. */
void tick()
{
++count;
}
/** Set the message displayed to the left of the spinner. */
void set_msg(const std::string &new_msg)
{
msg = new_msg;
}
};
#endif
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