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/*
* learnkeys.c --- ESE Key Daemon --- Keycode Daemon for Funny/Function Keys.
*
* Taps /dev/input/event<number> and makes config file for ESE Key Daemon.
*
* $Id: learnkeys.c 63 2010-07-04 20:23:51Z kb $
*
* Based on code from funky.c released under the GNU Public License
* by Rick van Rein.
*
* (c) 2000 Rick van Rein.
* (c) 2004 Krzysztof Burghardt.
*
* Released under the GNU Public License.
*/
#include "esekey.h"
FILE *funkey = NULL;
FILE *config = NULL;
void cleanup ()
{
fclose (funkey);
fclose (config);
}
void signal_handler (int x)
{
printf ("\nCaught signal %d, writing config file and exiting...\n", x);
cleanup ();
exit(x);
}
void register_signal_handlers (void)
{
signal (SIGHUP, signal_handler);
signal (SIGINT, signal_handler);
signal (SIGQUIT, signal_handler);
signal (SIGILL, signal_handler);
signal (SIGTRAP, signal_handler);
signal (SIGABRT, signal_handler);
signal (SIGIOT, signal_handler);
signal (SIGFPE, signal_handler);
signal (SIGKILL, signal_handler);
signal (SIGSEGV, signal_handler);
signal (SIGPIPE, signal_handler);
signal (SIGTERM, signal_handler);
signal (SIGSTOP, signal_handler);
signal (SIGUSR1, SIG_IGN);
}
int main (int argc, char *argv[])
{
short int device = 0;
char *device_name = NULL;
char *key = NULL;
struct input_event ev;
printf ("learnkeys (%s, %s)\n", PACKAGE_STRING, PACKAGE_VERSION_SVN_REV);
if (argc < 2)
{
printf ("\nUsage:\n");
printf ("%s config_file_name [input_device_name]\n\n", argv[0]);
printf ("config_file_name - location of esekeyd config file\n");
printf ("input_device_name - input (event) device; if given turns off\n");
printf (" of 1st keyboard device\n");
printf ("\nExample:\n");
printf ("%s ~/.esekeyd.conf /dev/input/event3\n", argv[0]);
exit (1);
}
if (argc > 2)
{
device_name = argv[2];
}
else
{
switch (check_handlers ())
{
case -1:
printf ("%s: cannot open %s\n", argv[0], INPUT_HANDLERS);
return -1;
case -2:
printf ("%s: evdev handler not found in %s\n", argv[0],
INPUT_HANDLERS);
return -2;
}
switch (device = find_input_dev ())
{
case -1:
printf ("%s: evdev for keyboard not found in %s\n", argv[0],
INPUT_HANDLERS);
return -3;
default:
asprintf (&device_name, "%s%hu", EVENT_DEVICE, device);
}
}
if (!(funkey = fopen (device_name, "r")))
{
printf ("%s: can`t open %s\n", argv[0], device_name);
return -4;
}
if (!(config = fopen (argv[1], "w")))
{
printf ("%s: can`t open %s\n", argv[0], argv[1]);
return -5;
}
fprintf (config,
"#\n"
"# %s config file\n"
"#\n"
"\n"
"#\n"
"# example 1: to run mutt in xterm we must set DISPLAY\n"
"# so the command line will be as follows:\n"
"#MAIL:/bin/sh -c \"DISPLAY=:0 xterm -e mutt\"\n"
"#\n"
"# example 2: turn on/off GPS reciever when lid is open/closed\n"
"#RADIO(press):echo 1 >/sys/device/platform/gps/gps_power\n"
"#RADIO(release):echo 0 >/sys/device/platform/gps/gps_power\n"
"#\n"
"# example 3: run nautilus when both left meta and e keys are press\n"
"#LEFTMETA+E:nautilus\n"
"#\n"
"\n", PACKAGE_STRING);
printf ("\nPres ANY (fun)key... or Ctrl-C to exit...\n\n");
register_signal_handlers();
while (fread (&ev, sizeof (struct input_event), 1, funkey))
{
if (ev.code == 28 && ev.type == EV_KEY && ev.value == 1)
{
printf ("\n");
fclose (funkey);
return 0;
}
if ((key = parse (ev)) != NULL)
{
printf ("key %s stored in config file\n", key);
if (ev.value == 1)
fprintf (config, "#%s(press):\n", key);
else
fprintf (config, "#%s(release):\n", key);
}
}
cleanup ();
return 0;
}
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