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(__NetBSD__)
# include <sys/types.h>
# include <sys/ioctl.h>
# include <bluetooth.h>
# include <unistd.h>
# include <stdio.h>
#elif 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
/* Bluetooth */
/* private */
/* types */
typedef struct _PanelApplet
{
PanelAppletHelper * helper;
GtkWidget * image;
guint timeout;
#if defined(__NetBSD__) || defined(__linux__)
int fd;
#endif
} Bluetooth;
/* prototypes */
static Bluetooth * _bluetooth_init(PanelAppletHelper * helper,
GtkWidget ** widget);
static void _bluetooth_destroy(Bluetooth * bluetooth);
/* accessors */
static gboolean _bluetooth_get(Bluetooth * bluetooth, gboolean * active);
static void _bluetooth_set(Bluetooth * bluetooth, gboolean active);
/* callbacks */
static gboolean _bluetooth_on_timeout(gpointer data);
/* public */
/* variables */
PanelAppletDefinition applet =
{
N_("Bluetooth"),
"panel-applet-bluetooth",
NULL,
_bluetooth_init,
_bluetooth_destroy,
NULL,
FALSE,
TRUE
};
/* private */
/* functions */
/* bluetooth_init */
static Bluetooth * _bluetooth_init(PanelAppletHelper * helper,
GtkWidget ** widget)
{
const int timeout = 1000;
Bluetooth * bluetooth;
GtkIconSize iconsize;
if((bluetooth = object_new(sizeof(*bluetooth))) == NULL)
return NULL;
bluetooth->helper = helper;
#if defined(__NetBSD__) || defined(__linux__)
bluetooth->fd = -1;
#endif
iconsize = panel_window_get_icon_size(helper->window);
#if GTK_CHECK_VERSION(3, 0, 0)
*widget = gtk_box_new(GTK_ORIENTATION_HORIZONTAL, 0);
#else
*widget = gtk_hbox_new(FALSE, 0);
#endif
bluetooth->image = gtk_image_new_from_icon_name(applet.icon, iconsize);
#if GTK_CHECK_VERSION(2, 12, 0)
gtk_widget_set_tooltip_text(bluetooth->image,
_("Bluetooth is enabled"));
#endif
gtk_box_pack_start(GTK_BOX(*widget), bluetooth->image, TRUE, TRUE, 0);
gtk_widget_set_no_show_all(*widget, TRUE);
bluetooth->timeout = (_bluetooth_on_timeout(bluetooth) == TRUE)
? g_timeout_add(timeout, _bluetooth_on_timeout, bluetooth) : 0;
return bluetooth;
}
/* bluetooth_destroy */
static void _bluetooth_destroy(Bluetooth * bluetooth)
{
if(bluetooth->timeout > 0)
g_source_remove(bluetooth->timeout);
#if defined(__NetBSD__) || defined(__linux__)
if(bluetooth->fd >= 0)
close(bluetooth->fd);
#endif
gtk_widget_destroy(bluetooth->image);
object_delete(bluetooth);
}
/* accessors */
/* bluetooth_get */
static gboolean _bluetooth_get(Bluetooth * bluetooth, gboolean * active)
{
#if defined(__NetBSD__)
struct btreq btr;
const char name[] = "ubt0";
if(bluetooth->fd < 0 && (bluetooth->fd = socket(AF_BLUETOOTH,
SOCK_RAW, BTPROTO_HCI)) < 0)
{
*active = FALSE;
error_set("%s: %s: %s", applet.name, "socket", strerror(errno));
return TRUE;
}
memset(&btr, 0, sizeof(btr));
strncpy(btr.btr_name, name, sizeof(name));
if(ioctl(bluetooth->fd, SIOCGBTINFO, &btr) == -1)
{
*active = FALSE;
error_set("%s: %s: %s", applet.name, name, strerror(errno));
close(bluetooth->fd);
bluetooth->fd = -1;
}
else
{
*active = TRUE;
/* XXX should not be needed but EBADF happens once otherwise */
close(bluetooth->fd);
bluetooth->fd = -1;
}
return TRUE;
#elif defined(__linux__)
/* XXX currently hard-coded for the Openmoko Freerunner */
char const dv1[] = "/sys/bus/platform/devices/gta02-pm-bt.0/power_on";
char const dv2[] = "/sys/bus/platform/devices/neo1973-pm-bt.0/power_on";
char const * dev = dv1;
char on;
if(bluetooth->fd < 0)
{
if((bluetooth->fd = open(dev, O_RDONLY)) < 0)
{
dev = dv2;
bluetooth->fd = open(dev, O_RDONLY);
}
if(bluetooth->fd < 0)
{
*active = FALSE;
error_set("%s: %s: %s", applet.name, dev,
strerror(errno));
return TRUE;
}
}
errno = ENODATA; /* in case the pseudo-file is empty */
if(lseek(bluetooth->fd, 0, SEEK_SET) != 0
|| read(bluetooth->fd, &on, sizeof(on)) != sizeof(on))
{
*active = FALSE;
error_set("%s: %s: %s", applet.name, dev, strerror(errno));
close(bluetooth->fd);
bluetooth->fd = -1;
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
}
/* bluetooth_set */
static void _bluetooth_set(Bluetooth * bluetooth, gboolean active)
{
if(active == TRUE)
gtk_widget_show(bluetooth->image);
else
gtk_widget_hide(bluetooth->image);
}
/* callbacks */
/* bluetooth_on_timeout */
static gboolean _bluetooth_on_timeout(gpointer data)
{
Bluetooth * bluetooth = data;
gboolean active;
if(_bluetooth_get(bluetooth, &active) == FALSE)
{
bluetooth->helper->error(NULL, error_get(NULL), 1);
_bluetooth_set(bluetooth, FALSE);
bluetooth->timeout = 0;
return FALSE;
}
_bluetooth_set(bluetooth, active);
return TRUE;
}