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/*
* Licensed under the GNU General Public License Version 2
*
* Copyright (C) 2007 Richard Hughes <richard@hughsie.com>
*
* 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.
*/
#ifdef HAVE_CONFIG_H
# include <config.h>
#endif
#include <stdio.h>
#include <stdlib.h>
#include <errno.h>
#include <string.h>
#include <fcntl.h>
#include <unistd.h>
#include <sys/ioctl.h>
#ifdef HAL_LINUX_INPUT_HEADER_H
#include HAL_LINUX_INPUT_HEADER_H
#else
#include <linux/input.h>
#endif
#include "libhal/libhal.h"
#include "hal-setup-keymap-hash-name.h"
static LibHalContext *ctx = NULL;
static char* udi;
static int
evdev_open (const char *dev)
{
int fd;
/* requires root privs */
fd = open (dev, O_RDWR);
if (fd < 0) {
fprintf (stderr, "hal-setup-keymap: failed to open('%s'): %s\n",
dev, strerror (errno));
return -1;
}
return fd;
}
static int
evdev_set_keycode (int fd, int scancode, int keycode)
{
int ret;
int codes[2];
codes[0] = scancode;
codes[1] = keycode;
ret = ioctl (fd, EVIOCSKEYCODE, codes);
if (ret < 0) {
fprintf (stderr, "hal-setup-keymap: failed to set scancode %x to keycode %d: %s\n",
scancode, keycode, strerror(errno));
return -1;
}
return 0;
}
int
main (int argc, char **argv)
{
char **keymap_list;
int i = 0;
int fd;
unsigned int scancode = 0;
int keycode = 0;
char keyname[128];
int values;
char *device;
DBusError error;
const struct key *name;
udi = getenv ("UDI");
if (udi == NULL) {
fprintf (stderr, "hal-setup-keymap: Failed to get UDI\n");
return 1;
}
dbus_error_init (&error);
if ((ctx = libhal_ctx_init_direct (&error)) == NULL) {
fprintf (stderr, "hal-setup-keymap: Unable to initialise libhal context: %s\n", error.message);
return 1;
}
dbus_error_init (&error);
if (!libhal_device_addon_is_ready (ctx, udi, &error)) {
return 1;
}
/* get the string list data */
dbus_error_init (&error);
keymap_list = libhal_device_get_property_strlist (ctx, udi, "input.keymap.data", &error);
if (dbus_error_is_set (&error) == TRUE) {
fprintf (stderr, "hal-setup-keymap: Failed to get keymap list: '%s'\n", error.message);
return 1;
}
/* get the device */
device = libhal_device_get_property_string (ctx, udi, "input.device", &error);
if (dbus_error_is_set (&error) == TRUE) {
fprintf (stderr, "hal-setup-keymap: Failed to get input device list: '%s'\n", error.message);
return 1;
}
/* get a file descriptor to the device */
fprintf (stderr, "hal-setup-keymap: Using device %s\n", device);
fd = evdev_open (device);
if (fd < 0) {
fprintf (stderr, "hal-setup-keymap: Could not open device\n");
return 1;
}
/* add each of the keys */
do {
values = sscanf (keymap_list[i], "%x:%s", &scancode, keyname);
if (values == 2) {
/* fix for high scancodes on i8042 KBD - we do this here
* and not in the fdi as the high value is displayed in
* dmesg and we don't want the user to do more work */
if (scancode > 127) {
scancode -= 0xe000;
scancode += 128;
}
/* use gperf to convert as it's really quick */
name = lookup_key (keyname, strlen(keyname));
if (name != NULL) {
keycode = name->id;
fprintf (stderr, "hal-setup-keymap: parsed %s to (0x%x, %i)\n",
keymap_list[i], scancode, keycode);
evdev_set_keycode (fd, scancode, keycode);
} else {
fprintf (stderr, "hal-setup-keymap: failed to find key '%s'\n", keyname);
}
} else {
fprintf (stderr, "hal-setup-keymap: Failed to parse %s\n", keymap_list[i]);
}
} while (keymap_list[++i] != NULL);
libhal_free_string_array (keymap_list);
close (fd);
/* we do not have to poll anything, so exit */
return 0;
}
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