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// cmdline_spinner.cc -*-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.
// Local includes:
#include "cmdline_spinner.h"
#include "cmdline_common.h"
#include "terminal.h"
// System includes:
#include <iostream>
using aptitude::cmdline::terminal_metrics;
cmdline_spinner::cmdline_spinner(int _quiet_level,
const std::shared_ptr<terminal_metrics> &_term_metrics)
: count(0),
quiet_level(_quiet_level),
term_metrics(_term_metrics)
{
}
char cmdline_spinner::spin_char() const
{
switch(count % 4)
{
case 0:
return '.';
case 1:
return 'o';
case 2:
return 'O';
case 3:
return 'o';
default:
return '?';
}
}
void cmdline_spinner::display() const
{
if(quiet_level > 0)
return;
const unsigned int screen_width = term_metrics->get_screen_width();
// Build the string to output.
std::string out(msg, 0, screen_width - 2);
out.append(screen_width - 1 - out.size(), ' ');
if(out.size() < (unsigned)screen_width)
out += spin_char();
std::cout << '\r' << out << std::flush;
}
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