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/***************************************************************************
xbindkeys : a program to bind keys to commands under X11.
-------------------
begin : Sat Oct 13 14:11:34 CEST 2001
copyright : (C) 2001 by Philippe Brochard
email : hocwp@free.fr
***************************************************************************/
/***************************************************************************
* *
* 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. *
* *
***************************************************************************/
#include "keys.h"
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <string.h>
#include <sys/types.h>
#include <sys/wait.h>
#include <X11/keysym.h>
#include "xbindkeys.h"
#include "keys.h"
#include "config.h"
#include "options.h"
#include "grab_key.h"
#define STR_KEY_LEN 1000
int nb_keys;
Keys_t *keys;
extern char rc_file[512];
static char *modifier_string[] = { "Control", "Shift", "Alt", "Mod2",
"Mod3", "Mod4", "Mod5"
};
int
init_keys (void)
{
nb_keys = 0;
keys = NULL;
return 0;
}
void
close_keys (void)
{
int i;
for (i = 0; i < nb_keys; i++)
free_key (&keys[i]);
if (keys != NULL)
{
free (keys);
keys = NULL;
}
nb_keys = 0;
}
int
add_key (KeyType_t type, EventType_t event_type, KeySym keysym, KeyCode keycode,
unsigned int button, unsigned int modifier, char *command, SCM function)
{
Keys_t *keys_bis = NULL;
int i;
if (keysym == 0 && keycode == 0 && button == 0)
{
fprintf (stderr, "Warning: unknown key in RC file : %s\n", rc_file);
return (-1);
}
/* make new array keys_bis */
keys_bis = (Keys_t *) malloc ((nb_keys + 1) * sizeof (Keys_t));
if (keys_bis == NULL)
return (-1);
if (keys != NULL)
{
/* copy keys in keys_bis */
for (i = 0; i < nb_keys; i++)
{
keys_bis[i] = keys[i];
}
/* delete old keys array */
free (keys);
}
/* make keys_bis as keys */
keys = keys_bis;
modifier &= ~(numlock_mask | capslock_mask | scrolllock_mask);
#ifdef GUILE_FLAG
if(function) scm_gc_protect_object(function);
#endif
/* set key */
if (type == SYM)
{
set_keysym (&keys[nb_keys], event_type, keysym, modifier, command, function);
}
else if (type == BUTTON)
{
set_button (&keys[nb_keys], event_type, button, modifier, command, function);
}
else
{
set_keycode (&keys[nb_keys], event_type, keycode, modifier, command, function);
}
/* new key */
nb_keys += 1;
return (0);
}
void
show_key_binding (Display * d)
{
int i;
int last_verbose = verbose;
verbose = 1;
for (i = 0; i < nb_keys; i++)
{
print_key (d, &keys[i]);
}
verbose = last_verbose;
}
void
modifier_to_string (unsigned int modifier, char *str)
{
str[0] = '\0';
if (modifier & ControlMask)
{
if (str[0])
strncat (str, "+", STR_KEY_LEN);
strncat (str, modifier_string[0], STR_KEY_LEN);
}
if (modifier & ShiftMask)
{
if (str[0])
strncat (str, "+", STR_KEY_LEN);
strncat (str, modifier_string[1], STR_KEY_LEN);
}
if (modifier & Mod1Mask)
{
if (str[0])
strncat (str, "+", STR_KEY_LEN);
strncat (str, modifier_string[2], STR_KEY_LEN);
}
if (modifier & Mod2Mask)
{
if (str[0])
strncat (str, "+", STR_KEY_LEN);
strncat (str, modifier_string[3], STR_KEY_LEN);
}
if (modifier & Mod3Mask)
{
if (str[0])
strncat (str, "+", STR_KEY_LEN);
strncat (str, modifier_string[4], STR_KEY_LEN);
}
if (modifier & Mod4Mask)
{
if (str[0])
strncat (str, "+", STR_KEY_LEN);
strncat (str, modifier_string[5], STR_KEY_LEN);
}
if (modifier & Mod5Mask)
{
if (str[0])
strncat (str, "+", STR_KEY_LEN);
strncat (str, modifier_string[6], STR_KEY_LEN);
}
}
void
print_key (Display * d, Keys_t * key)
{
char str[STR_KEY_LEN];
int keysyms_per_keycode_return;
if (verbose)
{
if (key->type == SYM)
{
modifier_to_string (key->modifier, str);
printf ("\"%s\"\n %s%s%s%s\n",
key->command != NULL ? key->command : ( key->function != 0 ? "(Scheme function)" : "NoCommand" ),
key->event_type == PRESS ? "" : "Release + ",
str, str[0] ? " + " : "", XKeysymToString (key->key.sym));
}
else if (key->type == BUTTON)
{
printf ("\"%s\"\n %sm:0x%x + b:%d (mouse)\n",
key->command != NULL ? key->command : ( key->function != 0 ? "(Scheme function)" : "NoCommand" ),
key->event_type == PRESS ? "" : "Release + ",
key->modifier, key->key.button);
}
else
{
printf ("\"%s\"\n %sm:0x%x + c:%d\n",
key->command != NULL ? key->command : ( key->function != 0 ? "(Scheme function)" : "NoCommand" ),
key->event_type == PRESS ? "" : "Release + ",
key->modifier, key->key.code);
if (d != NULL)
{
modifier_to_string (key->modifier, str);
printf (" %s%s%s%s\n",
str,
str[0] ? " + " : "",
key->event_type == PRESS ? "" : "Release + ",
(XKeysymToString (*XGetKeyboardMapping(d, key->key.code, 1, &keysyms_per_keycode_return)) != NULL) ?
XKeysymToString (*XGetKeyboardMapping(d, key->key.code, 1, &keysyms_per_keycode_return)) : "NoSymbol");
}
}
}
}
void
set_keysym (Keys_t * key, EventType_t event_type, KeySym keysym,
unsigned int modifier, char *command, SCM function)
{
int size;
key->type = SYM;
key->event_type = event_type;
key->key.sym = keysym;
key->modifier = modifier;
if (command != NULL)
{
size = (strlen (command) + 1) * sizeof (char);
key->command = (char *) malloc (size);
if (key->command != NULL)
strncpy (key->command, command, size);
}
else
{
key->command = NULL;
}
key->function = function;
}
void
set_keycode (Keys_t * key, EventType_t event_type, KeyCode keycode,
unsigned int modifier, char *command, SCM function)
{
int size;
key->type = CODE;
key->event_type = event_type;
key->key.code = keycode;
key->modifier = modifier;
if (command != NULL)
{
size = (strlen (command) + 1) * sizeof (char);
key->command = (char *) malloc (size);
if (key->command != NULL)
strncpy (key->command, command, size);
}
else
{
key->command = NULL;
}
key->function = function;
}
void
set_button (Keys_t * key, EventType_t event_type, unsigned int button,
unsigned int modifier, char *command, SCM function)
{
int size;
key->type = BUTTON;
key->event_type = event_type;
key->key.button = button;
key->modifier = modifier;
if (command != NULL)
{
size = (strlen (command) + 1) * sizeof (char);
key->command = (char *) malloc (size);
if (key->command != NULL)
strncpy (key->command, command, size);
}
else
{
key->command = NULL;
}
key->function = function;
}
void
free_key (Keys_t * key)
{
key->type = SYM;
key->event_type = PRESS;
key->key.sym = 0;
key->modifier = 0;
if (key->command != NULL)
free (key->command);
#ifdef GUILE_FLAG
if(key->function) scm_gc_unprotect_object(key->function);
#endif
key->function = 0;
}
int
remove_key (KeyType_t type, EventType_t event_type, KeySym keysym, KeyCode keycode,
unsigned int button, unsigned int modifier)
{
int i, found_index = -1;
Keys_t *keys_bis = NULL;
if (keys == NULL)
{
return (-1);
}
modifier &= ~(numlock_mask | capslock_mask | scrolllock_mask);
for (i = 0; i < nb_keys; i++)
{
if (keys[i].type == type &&
keys[i].event_type == event_type &&
keys[i].modifier == modifier &&
((type == SYM && keys[i].key.sym == keysym) ||
(type == CODE && keys[i].key.code == keycode) ||
(type == BUTTON && keys[i].key.button == button)))
found_index = i;
}
if (found_index != -1)
{
if (verbose)
printf ("Removing key index %d\n", found_index);
/* make new array keys_bis */
keys_bis = (Keys_t *) malloc ((nb_keys - 1) * sizeof (Keys_t));
if (keys_bis == NULL)
return (-1);
for (i = 0; i < found_index; i++)
keys_bis[i] = keys[i];
for (i = found_index + 1; i < nb_keys; i++)
keys_bis[i - 1] = keys[i];
free_key (&keys[found_index]);
free (keys);
/* make keys_bis as keys */
keys = keys_bis;
nb_keys -= 1;
}
return (0);
}
void
run_command (char *command)
{
#ifdef FORK_FLAG
pid_t pid;
if (verbose)
printf ("Start program with fork+exec call\n");
// if (fork() == 0)
// execlp ("sh", "sh", "-c", key->command, NULL);
if (!(pid = fork()))
{
setsid();
switch (fork())
{
case 0: execlp ("sh", "sh", "-c", command, (char *) NULL);
break;
default: _exit(0);
break;
}
}
if (pid > 0)
wait(NULL);
#else
if (verbose)
printf ("Start program with system call\n");
system (command);
#endif
}
void
start_command_key (Keys_t * key)
{
if (key->command == NULL)
{
#ifdef GUILE_FLAG
if (key->function != 0)
{
scm_call_0 (key->function);
}
#endif
return;
}
run_command (key->command);
}
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