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transmission/qt/formatter.cc

144 lines
3.1 KiB
C++

/*
* This file Copyright (C) 2010 Mnemosyne LLC
*
* This file is licensed by the GPL version 2. Works owned by the
* Transmission project are granted a special exemption to clause 2(b)
* so that the bulk of its code can remain under the MIT license.
* This exemption does not extend to derived works not owned by
* the Transmission project.
*
* $Id$
*/
#include <iostream>
#include <libtransmission/transmission.h>
#include <libtransmission/utils.h> // tr_formatter
#include "formatter.h"
#include "speed.h"
/***
**** Constants
***/
const int Formatter :: speed_K = 1000;
const QString Formatter :: speed_B_str = "B/s";
const QString Formatter :: speed_K_str = "kB/s";
const QString Formatter :: speed_M_str = "MB/s";
const QString Formatter :: speed_G_str = "GB/s";
const int Formatter :: size_K = 1000;
const QString Formatter :: size_B_str = "B";
const QString Formatter :: size_K_str = "kB";
const QString Formatter :: size_M_str = "MB";
const QString Formatter :: size_G_str = "GB";
const int Formatter :: mem_K = 1024;
const QString Formatter :: mem_B_str = "B";
const QString Formatter :: mem_K_str = "KiB";
const QString Formatter :: mem_M_str = "MiB";
const QString Formatter :: mem_G_str = "GiB";
/***
****
***/
QString
Formatter :: memToString( double bytes )
{
if( !bytes )
return tr( "None" );
else {
char buf[128];
tr_formatter_mem( buf, bytes, sizeof( buf ) );
return buf;
}
}
QString
Formatter :: sizeToString( double bytes )
{
if( !bytes )
return tr( "None" );
else {
char buf[128];
tr_formatter_size( buf, bytes, sizeof( buf ) );
return buf;
}
}
QString
Formatter :: speedToString( const Speed& speed )
{
if( speed.isZero( ) )
return tr( "None" );
else {
char buf[128];
tr_formatter_speed( buf, speed.Bps( ), sizeof( buf ) );
return buf;
}
}
QString
Formatter :: percentToString( double x )
{
char buf[128];
return QString( 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;
}