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#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <signal.h>
#include <unistd.h>
#include <assert.h>
#include "common.h"
#include "../lib/3rdparty/tinydir.h"
static struct client client = {
.filter_mode = BM_FILTER_MODE_DMENU,
.colors = {0},
.title = "bemenu",
.prefix = NULL,
.font = NULL,
.lines = 0,
.selected = 0,
.monitor = 0,
.bottom = false,
.grab = false,
.wrap = false,
.scrollbar = false,
};
struct paths {
char *path;
char *paths;
};
static char*
c_strdup(const char *str)
{
size_t size = strlen(str);
char *cpy = calloc(1, size + 1);
return (cpy ? memcpy(cpy, str, size) : NULL);
}
static char*
strip_slash(char *str)
{
size_t size = strlen(str);
if (size > 0)
for (char *s = str + size - 1; *s == '/'; --s)
*s = 0;
return str;
}
static const char*
get_paths(const char *env, const char *default_paths, struct paths *state)
{
if (state->path && !*state->path) {
free(state->paths);
return NULL;
}
if (!state->paths) {
const char *paths;
if (!(paths = getenv(env)) || !paths[0])
paths = default_paths;
state->path = state->paths = c_strdup(paths);
}
if (!state->path || !state->paths)
return NULL;
char *path;
do {
size_t f;
path = state->path;
if ((f = strcspn(state->path, ":")) > 0) {
state->path += f + (path[f] ? 1 : 0);
path[f] = 0;
}
if (!*path) {
free(state->paths);
return NULL;
}
} while (path[0] != '/');
return strip_slash(path);
}
static int
compare(const void *a, const void *b)
{
const struct bm_item *ia = *(struct bm_item**)a, *ib = *(struct bm_item**)b;
return strcmp(bm_item_get_text(ia), bm_item_get_text(ib));
}
static void
read_items_to_menu_from_dir(struct bm_menu *menu, const char *path)
{
assert(menu && path);
tinydir_dir dir;
if (tinydir_open(&dir, path) == -1)
return;
while (dir.has_next) {
tinydir_file file;
memset(&file, 0, sizeof(file));
tinydir_readfile(&dir, &file);
if (!file.is_dir && file.name) {
struct bm_item *item;
if (!(item = bm_item_new(file.name)))
break;
bm_menu_add_item(menu, item);
}
tinydir_next(&dir);
}
tinydir_close(&dir);
uint32_t count;
struct bm_item **items = bm_menu_get_items(menu, &count);
qsort(items, count, sizeof(struct bm_item*), compare);
bool unique = true;
for (uint32_t i = 0; i + 1 < count; i += unique) {
if (!(unique = strcmp(bm_item_get_text(items[i]), bm_item_get_text(items[i + 1])))) {
bm_item_free(items[i]);
bm_menu_remove_item_at(menu, i);
items = bm_menu_get_items(menu, &count);
}
}
}
static void
read_items_to_menu_from_path(struct bm_menu *menu)
{
assert(menu);
const char *path;
struct paths state;
memset(&state, 0, sizeof(state));
while ((path = get_paths("PATH", "/usr/bin:/usr/sbin:/usr/local/bin:/usr/local/sbin:/bin:/sbin", &state)))
read_items_to_menu_from_dir(menu, path);
}
static bool
tokenize_args(const char *buf, char **out_copy, char ***out_list)
{
assert(buf && out_copy && out_list);
*out_copy = NULL;
*out_list = NULL;
char *copy;
if (!(copy = c_strdup(buf)))
return false;
size_t pos, count = 0;
for (const char *s = copy; *s && (pos = strcspn(s, " ")) != 0; s += pos + 1)
++count;
char **list;
if (!(list = calloc(count + 1, sizeof(char*)))) {
free(copy);
return false;
}
count = 0;
for (char *s = copy; *s && (pos = strcspn(s, " ")) != 0; s += pos + 1, ++count) {
s[pos] = 0;
list[count] = s;
}
*out_copy = copy;
*out_list = list;
return true;
}
static void
launch(const char *bin)
{
if (!bin)
return;
if (fork() == 0) {
setsid();
freopen("/dev/null", "w", stdout);
freopen("/dev/null", "w", stderr);
char *first, **args;
if (!tokenize_args(bin, &first, &args))
_exit(EXIT_FAILURE);
execvp(first, args);
free(first);
free(args);
_exit(EXIT_SUCCESS);
}
}
int
main(int argc, char **argv)
{
struct sigaction action = {
.sa_handler = SIG_DFL,
.sa_flags = SA_NOCLDWAIT
};
// do not care about childs
sigaction(SIGCHLD, &action, NULL);
if (!bm_init())
return EXIT_FAILURE;
parse_args(&client, &argc, &argv);
struct bm_menu *menu;
if (!(menu = menu_with_options(&client)))
return EXIT_FAILURE;
read_items_to_menu_from_path(menu);
bm_menu_set_highlighted_index(menu, client.selected);
enum bm_run_result status = run_menu(menu);
if (status == BM_RUN_RESULT_SELECTED) {
uint32_t i, count;
struct bm_item **items = bm_menu_get_selected_items(menu, &count);
for (i = 0; i < count; ++i) {
const char *text = bm_item_get_text(items[i]);
launch(text);
}
if (!count && bm_menu_get_filter(menu))
launch(bm_menu_get_filter(menu));
}
bm_menu_free(menu);
return (status == BM_RUN_RESULT_SELECTED ? EXIT_SUCCESS : EXIT_FAILURE);
}
/* vim: set ts=8 sw=4 tw=0 :*/
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