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/******************************************************************************
* Copyright (C) 2011-2013 Michael Hofmann <mh21@mh21.de> *
* *
* 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 3 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 Street, Fifth Floor, Boston, MA 02110-1301 USA. *
******************************************************************************/
namespace Utils {
public string uifile;
public double max(double[] data) {
if (data.length == 0)
return 0;
double result = data[0];
foreach (var v in data)
if (result < v)
result = v;
return result;
}
public double mean(double[] data) {
if (data.length == 0)
return 0;
double result = 0;
foreach (var v in data)
result += v;
return result / data.length;
}
// for SI units as g_format_size_for_display uses base 2
public string format_size(double val) {
const string[] units = {
// TRANSLATORS: Please leave {} as it is, it is replaced by the size
N_("{} kB"),
// TRANSLATORS: Please leave {} as it is, it is replaced by the size
N_("{} MB"),
// TRANSLATORS: Please leave {} as it is, it is replaced by the size
N_("{} GB")
};
int index = -1;
while (index + 1 < units.length && (val >= 1000 || index < 0)) {
val /= 1000;
++index;
}
if (index < 0)
// TRANSLATORS: Please leave %u as it is, it is replaced by the size
return ngettext("%u B", "%u B",
(ulong)val).printf((uint)val);
// 4 significant digits
var pattern = _(units[index]).replace("{}",
val < 9.95 ? "%.1f" :
val < 99.5 ? "%.0f" :
val < 999.5 ? "%.0f" : "%.0f");
return pattern.printf(val);
}
public string format_speed(double val) {
const string[] units = {
// TRANSLATORS: Please leave {} as it is, it is replaced by the speed
N_("{} kB/s"),
// TRANSLATORS: Please leave {} as it is, it is replaced by the speed
N_("{} MB/s"),
// TRANSLATORS: Please leave {} as it is, it is replaced by the speed
N_("{} GB/s"),
// TRANSLATORS: Please leave {} as it is, it is replaced by the speed
N_("{} TB/s")
};
int index = -1;
while (index + 1 < units.length && (val >= 1000 || index < 0)) {
val /= 1000;
++index;
}
if (index < 0)
// TRANSLATORS: Please leave %u as it is, it is replaced by the speed
return ngettext("%u B/s", "%u B/s",
(ulong)val).printf((uint)val);
// 4 significant digits
var pattern = _(units[index]).replace("{}",
val < 9.95 ? "%.1f" :
val < 99.5 ? "%.0f" :
val < 999.5 ? "%.0f" : "%.0f");
return pattern.printf(val);
}
public string format_bitrate(double val) {
const string[] units = {
// TRANSLATORS: Please leave {} as it is, it is replaced by the bitrate
N_("{} kbit/s"),
// TRANSLATORS: Please leave {} as it is, it is replaced by the bitrate
N_("{} Mbit/s"),
// TRANSLATORS: Please leave {} as it is, it is replaced by the bitrate
N_("{} Gbit/s"),
// TRANSLATORS: Please leave {} as it is, it is replaced by the bitrate
N_("{} Tbit/s")
};
int index = -1;
while (index + 1 < units.length && (val >= 1000 || index < 0)) {
val /= 1000;
++index;
}
if (index < 0)
// TRANSLATORS: Please leave %u as it is, it is replaced by the bit rate
return ngettext("%u bit/s", "%u bit/s",
(ulong)val).printf((uint)val);
// 4 significant digits
var pattern = _(units[index]).replace("{}",
val < 9.95 ? "%.1f" :
val < 99.5 ? "%.0f" :
val < 999.5 ? "%.0f" : "%.0f");
return pattern.printf(val);
}
public string format_frequency(double val) {
const string[] units = {
// TRANSLATORS: Please leave {} as it is, it is replaced by the frequency
N_("{} kHz"),
// TRANSLATORS: Please leave {} as it is, it is replaced by the frequency
N_("{} MHz"),
// TRANSLATORS: Please leave {} as it is, it is replaced by the frequency
N_("{} GHz")
};
int index = -1;
while (index + 1 < units.length && (val >= 1000 || index < 0)) {
val /= 1000;
++index;
}
if (index < 0)
// TRANSLATORS: Please leave %u as it is, it is replaced by the frequency
return ngettext("%u Hz", "%u Hz",
(ulong)val).printf((uint)val);
// 4 significant digits
var pattern = _(units[index]).replace("{}",
val < 9.95 ? "%.1f" :
val < 99.5 ? "%.0f" :
val < 999.5 ? "%.0f" : "%.0f");
return pattern.printf(val);
}
public Object get_ui(string objectid, Object signalhandlers,
string[] additional = {}, out Gtk.Builder builder = null) {
builder = new Gtk.Builder();
string[] ids = additional;
ids += objectid;
try {
builder.add_objects_from_file(Utils.uifile, ids);
} catch (Error e) {
stderr.printf("Could not load indicator ui %s from %s: %s\n",
objectid, Utils.uifile, e.message);
}
builder.connect_signals(signalhandlers);
return builder.get_object(objectid);
}
public bool get_settings_rgba(Value value, Variant variant,
void *user_data)
{
Gdk.RGBA rgba = Gdk.RGBA();
if (ColorMapper.parse_colorname(variant.get_string(), ref rgba)) {
value.set_boxed(&rgba);
return true;
}
return false;
}
public Variant set_settings_rgba(Value value, VariantType expected_type,
void *user_data)
{
Gdk.RGBA rgba = *(Gdk.RGBA*)value.get_boxed();
return new Variant.string(rgba.to_string());
}
}
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