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transmission/qt/Formatter.cc

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4.3 KiB
C++

/*
* This file Copyright (C) 2012-2015 Mnemosyne LLC
*
* It may be used under the GNU GPL versions 2 or 3
* or any future license endorsed by Mnemosyne LLC.
*
* $Id$
*/
#include <libtransmission/transmission.h>
#include <libtransmission/utils.h> // tr_formatter
#include "Formatter.h"
#include "Speed.h"
/***
**** Constants
***/
namespace
{
unsigned int speed_K;
unsigned int mem_K;
unsigned int size_K;
}
QString Formatter::unitStrings[3][5];
void
Formatter::initUnits ()
{
speed_K = 1000;
unitStrings[SPEED][B] = tr ( "B/s");
unitStrings[SPEED][KB] = tr ("kB/s");
unitStrings[SPEED][MB] = tr ("MB/s");
unitStrings[SPEED][GB] = tr ("GB/s");
unitStrings[SPEED][TB] = tr ("TB/s");
tr_formatter_speed_init (speed_K,
unitStrings[SPEED][KB].toUtf8().constData(),
unitStrings[SPEED][MB].toUtf8().constData(),
unitStrings[SPEED][GB].toUtf8().constData(),
unitStrings[SPEED][TB].toUtf8().constData());
size_K = 1000;
unitStrings[SIZE][B] = tr ( "B");
unitStrings[SIZE][KB] = tr ("kB");
unitStrings[SIZE][MB] = tr ("MB");
unitStrings[SIZE][GB] = tr ("GB");
unitStrings[SIZE][TB] = tr ("TB");
tr_formatter_size_init (size_K,
unitStrings[SIZE][KB].toUtf8().constData(),
unitStrings[SIZE][MB].toUtf8().constData(),
unitStrings[SIZE][GB].toUtf8().constData(),
unitStrings[SIZE][TB].toUtf8().constData());
mem_K = 1024;
unitStrings[MEM][B] = tr ( "B");
unitStrings[MEM][KB] = tr ("KiB");
unitStrings[MEM][MB] = tr ("MiB");
unitStrings[MEM][GB] = tr ("GiB");
unitStrings[MEM][TB] = tr ("TiB");
tr_formatter_mem_init (mem_K,
unitStrings[MEM][KB].toUtf8().constData(),
unitStrings[MEM][MB].toUtf8().constData(),
unitStrings[MEM][GB].toUtf8().constData(),
unitStrings[MEM][TB].toUtf8().constData());
}
/***
****
***/
double
Speed::KBps () const
{
return _Bps / static_cast<double> (speed_K);
}
Speed
Speed::fromKBps (double KBps)
{
return static_cast<int> (KBps * speed_K);
}
/***
****
***/
QString
Formatter::memToString (int64_t bytes)
{
if (bytes < 0)
return tr ("Unknown");
if (!bytes)
return tr ("None");
char buf[128];
tr_formatter_mem_B (buf, bytes, sizeof (buf));
return QString::fromUtf8 (buf);
}
QString
Formatter::sizeToString (int64_t bytes)
{
if (bytes < 0)
return tr ("Unknown");
if (!bytes)
return tr ("None");
char buf[128];
tr_formatter_size_B (buf, bytes, sizeof (buf));
return QString::fromUtf8 (buf);
}
QString
Formatter::speedToString (const Speed& speed)
{
char buf[128];
tr_formatter_speed_KBps (buf, speed.KBps (), sizeof (buf));
return QString::fromUtf8 (buf);
}
QString
Formatter::uploadSpeedToString (const Speed& uploadSpeed)
{
static const QChar uploadSymbol (0x25B4);
return tr ("%1 %2").arg (speedToString (uploadSpeed)).arg (uploadSymbol);
}
QString
Formatter::downloadSpeedToString (const Speed& downloadSpeed)
{
static const QChar downloadSymbol (0x25BE);
return tr ("%1 %2").arg (speedToString (downloadSpeed)).arg (downloadSymbol);
}
QString
Formatter::percentToString (double x)
{
char buf[128];
return QString::fromUtf8 (tr_strpercent (buf, x, sizeof (buf)));
}
QString
Formatter::ratioToString (double ratio)
{
char buf[128];
return QString::fromUtf8 (tr_strratio (buf, sizeof (buf), ratio, "\xE2\x88\x9E"));
}
QString
Formatter::timeToString (int seconds)
{
int days, hours, minutes;
QString d, h, m, s;
QString str;
if (seconds < 0)
seconds = 0;
days = seconds / 86400;
hours = (seconds % 86400) / 3600;
minutes = (seconds % 3600) / 60;
seconds %= 60;
d = tr ("%Ln day(s)", 0, days);
h = tr ("%Ln hour(s)", 0, hours);
m = tr ("%Ln minute(s)", 0, minutes);
s = tr ("%Ln second(s)", 0, seconds);
if (days)
{
if (days >= 4 || !hours)
str = d;
else
str = tr ("%1, %2").arg (d).arg (h);
}
else if (hours)
{
if (hours >= 4 || !minutes)
str = h;
else
str = tr ("%1, %2").arg (h).arg (m);
}
else if (minutes)
{
if (minutes >= 4 || !seconds)
str = m;
else
str = tr ("%1, %2").arg (m).arg (s);
}
else
{
str = s;
}
return str;
}