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/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*-
*
* Copyright (C) 2005-2007 Richard Hughes <richard@hughsie.com>
*
* Licensed under the GNU General Public License Version 2
*
* 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 Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#include "config.h"
#include <glib.h>
#include <string.h>
#include <glib/gi18n.h>
#include <gdk/gdk.h>
#include <gtk/gtk.h>
#include "egg-debug.h"
#include "gpm-common.h"
/**
* gpm_get_timestring:
* @time_secs: The time value to convert in seconds
* @cookie: The cookie we are looking for
*
* Returns a localised timestring
*
* Return value: The time string, e.g. "2 hours 3 minutes"
**/
gchar *
gpm_get_timestring (guint time_secs)
{
char* timestring = NULL;
gint hours;
gint minutes;
/* Add 0.5 to do rounding */
minutes = (int) ( ( time_secs / 60.0 ) + 0.5 );
if (minutes == 0) {
timestring = g_strdup (_("Unknown time"));
return timestring;
}
if (minutes < 60) {
timestring = g_strdup_printf (ngettext ("%i minute",
"%i minutes",
minutes), minutes);
return timestring;
}
hours = minutes / 60;
minutes = minutes % 60;
if (minutes == 0)
timestring = g_strdup_printf (ngettext (
"%i hour",
"%i hours",
hours), hours);
else
/* TRANSLATOR: "%i %s %i %s" are "%i hours %i minutes"
* Swap order with "%2$s %2$i %1$s %1$i if needed */
timestring = g_strdup_printf (_("%i %s %i %s"),
hours, ngettext ("hour", "hours", hours),
minutes, ngettext ("minute", "minutes", minutes));
return timestring;
}
/**
* gpm_discrete_from_percent:
* @percentage: The percentage to convert
* @levels: The number of discrete levels
*
* We have to be carefull when converting from %->discrete as precision is very
* important if we want the highest value.
*
* Return value: The discrete value for this percentage.
**/
guint
gpm_discrete_from_percent (guint percentage, guint levels)
{
/* check we are in range */
if (percentage > 100)
return levels;
if (levels == 0) {
g_warning ("levels is 0!");
return 0;
}
return (guint) ((((gfloat) percentage * (gfloat) (levels - 1)) / 100.0f) + 0.5f);
}
/**
* gpm_discrete_to_percent:
* @hw: The discrete level
* @levels: The number of discrete levels
*
* We have to be carefull when converting from discrete->%.
*
* Return value: The percentage for this discrete value.
**/
guint
gpm_discrete_to_percent (guint discrete, guint levels)
{
/* check we are in range */
if (discrete > levels)
return 100;
if (levels == 0) {
g_warning ("levels is 0!");
return 0;
}
return (guint) (((gfloat) discrete * (100.0f / (gfloat) (levels - 1))) + 0.5f);
}
/**
* gpm_help_display:
* @link_id: Subsection of mate-power-manager help section
**/
void
gpm_help_display (const gchar *link_id)
{
GError *error = NULL;
gchar *uri;
if (link_id != NULL)
uri = g_strconcat ("help:mate-power-manager?", link_id, NULL);
else
uri = g_strdup ("help:mate-power-manager");
gtk_show_uri (NULL, uri, GDK_CURRENT_TIME, &error);
if (error != NULL) {
GtkWidget *d;
d = gtk_message_dialog_new (NULL, GTK_DIALOG_MODAL | GTK_DIALOG_DESTROY_WITH_PARENT,
GTK_MESSAGE_ERROR, GTK_BUTTONS_OK, "%s", error->message);
gtk_dialog_run (GTK_DIALOG(d));
gtk_widget_destroy (d);
g_error_free (error);
}
g_free (uri);
}
/***************************************************************************
*** MAKE CHECK TESTS ***
***************************************************************************/
#ifdef EGG_TEST
#include "egg-test.h"
void
gpm_common_test (gpointer data)
{
EggTest *test = (EggTest *) data;
if (egg_test_start (test, "GpmCommon") == FALSE)
return;
egg_test_end (test);
}
#endif
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