Files
ncmpcpp/src/statusbar.h
2014-08-27 11:19:05 +02:00

136 lines
4.2 KiB
C++

/***************************************************************************
* Copyright (C) 2008-2014 by Andrzej Rybczak *
* electricityispower@gmail.com *
* *
* 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; if not, write to the *
* Free Software Foundation, Inc., *
* 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA. *
***************************************************************************/
#ifndef NCMPCPP_STATUSBAR_H
#define NCMPCPP_STATUSBAR_H
#include <boost/format.hpp>
#include "settings.h"
#include "gcc.h"
#include "interfaces.h"
#include "window.h"
namespace Progressbar {//
/// locks progressbar (usually used for seeking)
void lock();
/// unlocks progressbar (usually right after seeking is done)
void unlock();
/// @return true if progressbar is unlocked
bool isUnlocked();
/// draws progressbar
void draw(unsigned elapsed, unsigned time);
}
namespace Statusbar{//
/// locks statusbar (usually for prompting the user)
void lock();
/// unlocks statusbar (usually after prompting the user)
void unlock();
/// @return true if statusbar is unlocked
bool isUnlocked();
/// tries to clear current message put there using Statusbar::printf if there is any
void tryRedraw();
/// clears statusbar and move cursor to beginning of line
/// @return window object that represents statusbar
NC::Window &put();
namespace Helpers {//
/// called when statusbar window detects incoming idle notification
void mpd();
/// called each time user types another character while inside Window::getString
bool getString(const char *);
/// called each time user changes current filter (while being inside Window::getString)
struct ApplyFilterImmediately
{
template <typename StringT>
ApplyFilterImmediately(Filterable *f, StringT &&filter)
: m_f(f), m_s(std::forward<StringT>(filter)) { }
bool operator()(const char *s);
private:
Filterable *m_f;
std::string m_s;
};
struct TryExecuteImmediateCommand
{
bool operator()(const char *s);
private:
std::string m_s;
};
}
/// displays message in statusbar for a given period of time
void print(int delay, const std::string& message);
/// displays message in statusbar for period of time set in configuration file
inline void print(const std::string &message)
{
print(Config.message_delay_time, message);
}
/// displays formatted message in statusbar for period of time set in configuration file
template <typename FormatT>
void printf(FormatT &&fmt)
{
print(Config.message_delay_time, boost::format(std::forward<FormatT>(fmt)).str());
}
template <typename FormatT, typename ArgT, typename... Args>
void printf(FormatT &&fmt, ArgT &&arg, Args&&... args)
{
printf(boost::format(std::forward<FormatT>(fmt)) % std::forward<ArgT>(arg),
std::forward<Args>(args)...
);
}
/// displays formatted message in statusbar for a given period of time
template <typename FormatT>
void printf(int delay, FormatT &&fmt)
{
print(delay, boost::format(std::forward<FormatT>(fmt)).str());
}
template <typename FormatT, typename ArgT, typename... Args>
void printf(int delay, FormatT &&fmt, ArgT &&arg, Args&&... args)
{
printf(delay, boost::format(std::forward<FormatT>(fmt)) % std::forward<ArgT>(arg),
std::forward<Args>(args)...
);
}
}
#endif // NCMPCPP_STATUSBAR_H