113 lines
2.3 KiB
C
113 lines
2.3 KiB
C
#include "spawn.h"
|
|
|
|
#include <stddef.h>
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
#include <unistd.h>
|
|
|
|
#define MAX_ARGS_COUNT 20
|
|
#define ARGS_SIZE (MAX_ARGS_COUNT + 1)
|
|
#define MON_ARG_SIZE 2
|
|
|
|
struct Command {
|
|
const char *name;
|
|
size_t monitor_arg_index;
|
|
const char *args[ARGS_SIZE];
|
|
};
|
|
|
|
static struct Command commands[] = {
|
|
{
|
|
.name = "lock",
|
|
.monitor_arg_index = 0,
|
|
.args = { "i3lock", NULL },
|
|
},
|
|
{
|
|
.name = "menu",
|
|
.monitor_arg_index = 6,
|
|
.args = {
|
|
"rofi",
|
|
"-modi",
|
|
"drun",
|
|
"-show",
|
|
"drun",
|
|
"-monitor",
|
|
"-1",
|
|
"-show-icons",
|
|
NULL,
|
|
},
|
|
},
|
|
#ifdef WITH_TERMINAL
|
|
{
|
|
.name = "term",
|
|
.monitor_arg_index = 0,
|
|
#ifdef WITH_TERMINAL_ALACRITTY
|
|
.args = { "alacritty", NULL },
|
|
#endif
|
|
#ifdef WITH_TERMINAL_GNOME
|
|
.args = { "gnome-terminal", "--wait", NULL },
|
|
#endif
|
|
#ifdef WITH_TERMINAL_ST
|
|
.args = { "st", NULL },
|
|
#endif
|
|
#ifdef WITH_TERMINAL_XTERM
|
|
.args = { "xterm", NULL },
|
|
#endif
|
|
},
|
|
#endif
|
|
{
|
|
.name = "firefox",
|
|
.monitor_arg_index = 0,
|
|
.args = { "firefox", NULL },
|
|
},
|
|
};
|
|
|
|
void spawn_command(
|
|
const char *const name,
|
|
void (*const callback)(),
|
|
const int monitor
|
|
) {
|
|
// TODO: maybe we should assert here
|
|
if (name == NULL || monitor < 0 || monitor > 9) return;
|
|
|
|
for (
|
|
size_t command_index = 0;
|
|
command_index < sizeof(commands) / sizeof(struct Command);
|
|
++command_index
|
|
) {
|
|
const struct Command *const command = &commands[command_index];
|
|
if (strcmp(name, command->name) != 0) continue;
|
|
|
|
// We discard const modifier
|
|
// because we will only change newly allocated version.
|
|
char **args = (char**)command->args;
|
|
char monitor_buffer[2] = { '0' + monitor, '\0' };
|
|
|
|
if (command->monitor_arg_index != 0) {
|
|
args = malloc(sizeof(char*) * ARGS_SIZE);
|
|
if (args == NULL) return;
|
|
|
|
for (size_t arg_index = 0;; ++arg_index) {
|
|
// We discard const modifier
|
|
// because we will only change newly allocated version.
|
|
args[arg_index] = (char*)command->args[arg_index];
|
|
if (args[arg_index] == NULL) break;
|
|
}
|
|
|
|
args[command->monitor_arg_index] = monitor_buffer;
|
|
}
|
|
|
|
if (fork() == 0) {
|
|
callback();
|
|
setsid();
|
|
execvp(args[0], args);
|
|
fprintf(stderr, "polytreewm: execvp %s", args[0]);
|
|
perror(" failed");
|
|
exit(EXIT_SUCCESS);
|
|
}
|
|
|
|
if (command->monitor_arg_index != 0) free(args);
|
|
|
|
return;
|
|
}
|
|
}
|