Panel
/* $Id$ */
/* Copyright (c) 2010-2020 Pierre Pronchery <khorben@defora.org> */
/* This file is part of DeforaOS Desktop Panel */
/* 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, version 3 of the License.
*
* 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, see <http://www.gnu.org/licenses/>. */
#if defined(__linux__)
# include <fcntl.h>
# include <unistd.h>
#endif
#include <stdlib.h>
#include <string.h>
#include <errno.h>
#include <libintl.h>
#include <System.h>
#include "Panel/applet.h"
#define _(string) gettext(string)
#define N_(string) string
/* GSM */
/* private */
/* types */
typedef struct _PanelApplet
{
PanelAppletHelper * helper;
GtkWidget * hbox;
GtkWidget * image;
guint timeout;
#if defined(__linux__)
int fd;
#endif
} GSM;
/* prototypes */
static GSM * _gsm_init(PanelAppletHelper * helper, GtkWidget ** widget);
static void _gsm_destroy(GSM * gsm);
/* accessors */
static gboolean _gsm_get(GSM * gsm, gboolean * active);
static void _gsm_set(GSM * gsm, gboolean active);
#if 0
static void _gsm_set_operator(GSM * gsm, char const * operator);
#endif
/* callbacks */
static gboolean _gsm_on_timeout(gpointer data);
/* public */
/* variables */
PanelAppletDefinition applet =
{
N_("GSM"),
"phone", /* XXX find a better image */
NULL,
_gsm_init,
_gsm_destroy,
NULL,
FALSE,
TRUE
};
/* private */
/* functions */
/* gsm_init */
static GSM * _gsm_init(PanelAppletHelper * helper, GtkWidget ** widget)
{
const int timeout = 1000;
GSM * gsm;
if((gsm = malloc(sizeof(*gsm))) == NULL)
{
error_set("%s: %s", applet.name, strerror(errno));
return NULL;
}
gsm->helper = helper;
#if defined(__linux__)
gsm->fd = -1;
#endif
#if GTK_CHECK_VERSION(3, 0, 0)
gsm->hbox = gtk_box_new(GTK_ORIENTATION_HORIZONTAL, 0);
#else
gsm->hbox = gtk_hbox_new(FALSE, 0);
#endif
gsm->image = gtk_image_new_from_icon_name(applet.icon,
panel_window_get_icon_size(helper->window));
#if GTK_CHECK_VERSION(2, 12, 0)
gtk_widget_set_tooltip_text(gsm->image, _("GSM is enabled"));
#endif
gtk_widget_show(gsm->image);
gtk_box_pack_start(GTK_BOX(gsm->hbox), gsm->image, FALSE, TRUE, 0);
gsm->timeout = (_gsm_on_timeout(gsm) == TRUE)
? g_timeout_add(timeout, _gsm_on_timeout, gsm) : 0;
gtk_widget_set_no_show_all(gsm->hbox, TRUE);
*widget = gsm->hbox;
return gsm;
}
/* gsm_destroy */
static void _gsm_destroy(GSM * gsm)
{
if(gsm->timeout > 0)
g_source_remove(gsm->timeout);
#if defined(__linux__)
if(gsm->fd != -1)
close(gsm->fd);
#endif
gtk_widget_destroy(gsm->hbox);
free(gsm);
}
/* accessors */
/* gsm_get */
static gboolean _gsm_get(GSM * gsm, gboolean * active)
{
#if defined(__linux__)
/* XXX currently hard-coded for the Openmoko Freerunner */
char const dv1[] = "/sys/bus/platform/devices/gta02-pm-gsm.0/"
"power_on";
char const dv2[] = "/sys/bus/platform/devices/neo1973-pm-gsm.0/"
"power_on";
char const * dev = dv1;
char on;
if(gsm->fd < 0)
{
if((gsm->fd = open(dev, O_RDONLY)) < 0)
{
dev = dv2;
gsm->fd = open(dev, O_RDONLY);
}
if(gsm->fd < 0)
{
error_set("%s: %s: %s", applet.name, dev,
strerror(errno));
*active = FALSE;
return TRUE;
}
}
errno = ENODATA; /* in case the pseudo-file is empty */
if(lseek(gsm->fd, 0, SEEK_SET) != 0
|| read(gsm->fd, &on, sizeof(on)) != 1)
{
error_set("%s: %s: %s", applet.name, dev, strerror(errno));
close(gsm->fd);
gsm->fd = -1;
*active = FALSE;
return TRUE;
}
*active = (on == '1') ? TRUE : FALSE;
return TRUE;
#else
/* FIXME not supported */
*active = FALSE;
error_set("%s: %s", applet.name, strerror(ENOSYS));
return FALSE;
#endif
}
/* gsm_set */
static void _gsm_set(GSM * gsm, gboolean active)
{
if(active == TRUE)
gtk_widget_show(gsm->hbox);
else
gtk_widget_hide(gsm->hbox);
}
#if 0
/* gsm_set_operator */
static void _gsm_set_operator(GSM * gsm, char const * operator)
{
gtk_label_set_text(GTK_LABEL(gsm->operator), operator);
}
#endif
/* callbacks */
/* gsm_on_timeout */
static gboolean _gsm_on_timeout(gpointer data)
{
GSM * gsm = data;
gboolean active;
if(_gsm_get(gsm, &active) == FALSE)
{
gsm->helper->error(NULL, error_get(NULL), 1);
_gsm_set(gsm, FALSE);
gsm->timeout = 0;
return FALSE;
}
_gsm_set(gsm, active);
return TRUE;
}