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bcf53bcb25
bemenu/client/common/common.c
Luca Nimmrichter bcf53bcb25 Add basic vim bindings
2022-10-21 03:17:29 +09:00

633 lines
22 KiB
C
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#include "internal.h"
#include "common.h"
#include <stdlib.h>
#include <string.h>
#include <signal.h>
#include <stdio.h>
#include <unistd.h>
#include <getopt.h>
#include <assert.h>
static void
disco_trap(int sig)
{
(void)sig;
fprintf(stderr, "\x1B[?25h");
fflush(stderr);
exit(EXIT_FAILURE);
}
static void
disco(void)
{
struct sigaction action;
memset(&action, 0, sizeof(struct sigaction));
action.sa_handler = disco_trap;
sigaction(SIGABRT, &action, NULL);
sigaction(SIGSEGV, &action, NULL);
sigaction(SIGTRAP, &action, NULL);
sigaction(SIGINT, &action, NULL);
uint32_t cc, c = 80;
fprintf(stderr, "\x1B[?25l");
while (1) {
for (uint32_t i = 1; i < c - 1; ++i) {
fprintf(stderr, "\r %*s%s %s %s ", (i > c / 2 ? c - i : i), " ", ((i % 2) ? "<o/" : "\\o>"), ((i % 4) ? "DISCO" : " "), ((i %2) ? "\\o>" : "<o/"));
for (cc = 0; cc < (i < c / 2 ? c / 2 - i : i - c / 2); ++cc) fprintf(stderr, ((i % 2) ? "^" : "'"));
fprintf(stderr, "%s %s \r %s %s", ((i % 2) ? "*" : "•"), ((i % 3) ? "\\o" : "<o"), ((i % 3) ? "o/" : "o>"), ((i % 2) ? "*" : "•"));
for (cc = 2; cc < (i > c / 2 ? c - i : i); ++cc) fprintf(stderr, ((i % 2) ? "^" : "'"));
fflush(stderr);
usleep(140 * 1000);
}
}
fprintf(stderr, "\x1B[?25h");
exit(EXIT_SUCCESS);
}
#define WHITESPACE " \t\n\r"
static const char*
tokenize(const char *cstr, size_t *out_len, const char *separator, bool skip_whitespace, const char **state)
{
assert(out_len && separator && state);
const char *current = (state && *state ? *state : cstr);
if (!current || !*current || !cstr || !*cstr)
return NULL;
current += strspn(current, separator);
if (skip_whitespace)
current += strspn(current, WHITESPACE);
*out_len = strcspn(current, separator);
*state = current + *out_len;
if (skip_whitespace) {
const size_t ws = strcspn(current, WHITESPACE);
*out_len -= (ws < *out_len ? *out_len - ws : 0);
}
return current;
}
static const char*
tokenize_quoted(const char *cstr, size_t *out_len, const char *separator, const char *quotes, const char **state)
{
assert(out_len && separator && quotes && state);
const char *e, *current = tokenize(cstr, out_len, separator, true, state);
if (!current)
return NULL;
for (const char *q = quotes; *q; ++q) {
if (*current != *q)
continue;
bool escaped = false;
for (e = ++current; *e; ++e) {
if (escaped)
escaped = false;
else if (*e == '\\')
escaped = true;
else if (*e == *q)
break;
}
*out_len = e - current;
e = (!*e ? e : e + 1);
if (*e) {
size_t tmp;
const char *state2 = NULL;
*state = tokenize(e, &tmp, separator, true, &state2);
} else {
*state = e;
}
break;
}
return current;
}
char*
cstrcopy(const char *str, size_t size)
{
char *cpy = calloc(1, size + 1);
return (cpy ? memcpy(cpy, str, size) : NULL);
}
char**
tokenize_quoted_to_argv(const char *str, char *argv0, int *out_argc)
{
if (out_argc) *out_argc = 0;
size_t count = !!argv0;
{
size_t len;
const char *state = NULL;
while (tokenize_quoted(str, &len, " ", "\"'", &state))
++count;
}
char **tokens;
if (!count || !(tokens = calloc(count + 1, sizeof(char*))))
return NULL;
{
tokens[0] = argv0;
size_t i = !!argv0, len;
const char *t, *state = NULL;
while (i < count && (t = tokenize_quoted(str, &len, " ", "\"'", &state))) {
if (!(tokens[i++] = cstrcopy(t, len)))
return NULL;
}
}
if (out_argc) *out_argc = count;
return tokens;
}
static void
version(const char *name)
{
assert(name);
char *base = strrchr(name, '/');
printf("%s v%s\n", (base ? base + 1 : name), bm_version());
exit(EXIT_SUCCESS);
}
static void
usage(FILE *out, const char *name)
{
assert(out && name);
char *base = strrchr(name, '/');
fprintf(out, "usage: %s [options]\n", (base ? base + 1 : name));
fputs("Options\n"
" -h, --help display this help and exit.\n"
" -v, --version display version.\n"
" -i, --ignorecase match items case insensitively.\n"
" -F, --filter filter entries for a given string.\n"
" -w, --wrap wraps cursor selection.\n"
" -l, --list list items vertically with the given number of lines.\n"
" -p, --prompt defines the prompt text to be displayed.\n"
" -P, --prefix text to show before highlighted item.\n"
" -I, --index select item at index automatically.\n"
" -x, --password hide input.\n"
" -s, --no-spacing disable the title spacing on entries.\n"
" -C, --no-cursor ignore cursor events.\n"
" -T, --no-touch ignore touch events.\n"
" -K, --no-keyboard ignore keyboard events.\n"
" --vim use vim bindings.\n"
" --scrollbar display scrollbar. (none (default), always, autohide)\n"
" --accept-single immediately return if there is only one item.\n"
" --ifne only display menu if there are items.\n"
" --fork always fork. (bemenu-run)\n"
" --no-exec do not execute command. (bemenu-run)\n\n"
"Use BEMENU_BACKEND env variable to force backend:\n"
" curses ncurses based terminal backend\n"
" wayland wayland backend\n"
" x11 x11 backend\n\n"
"If BEMENU_BACKEND is empty, one of the GUI backends is selected automatically.\n\n"
"Backend specific options\n"
" c = ncurses, w == wayland, x == x11\n"
" (...) At end of help indicates the backend support for option.\n\n"
" -b, --bottom appears at the bottom of the screen. (wx)\n"
" -c, --center appears at the center of the screen. (wx)\n"
" -f, --grab show the menu before reading stdin. (wx)\n"
" -n, --no-overlap adjust geometry to not overlap with panels. (w)\n"
" -m, --monitor index of monitor where menu will appear. (wx)\n"
" -H, --line-height defines the height to make each menu line (0 = default height). (wx)\n"
" -M, --margin defines the empty space on either side of the menu. (wx)\n"
" -W, --width-factor defines the relative width factor of the menu (from 0 to 1). (wx)\n"
" -B, --border defines the width of the border in pixels around the menu. (wx)\n"
" --ch defines the height of the cursor (0 = scales with line height). (wx)\n"
" --cw defines the width of the cursor. (wx)\n"
" --hp defines the horizontal padding for the entries in single line mode. (wx)\n"
" --fn defines the font to be used ('name [size]'). (wx)\n"
" --tb defines the title background color. (wx)\n"
" --tf defines the title foreground color. (wx)\n"
" --fb defines the filter background color. (wx)\n"
" --ff defines the filter foreground color. (wx)\n"
" --nb defines the normal background color. (wx)\n"
" --nf defines the normal foreground color. (wx)\n"
" --hb defines the highlighted background color. (wx)\n"
" --hf defines the highlighted foreground color. (wx)\n"
" --fbb defines the feedback background color. (wx)\n"
" --fbf defines the feedback foreground color. (wx)\n"
" --sb defines the selected background color. (wx)\n"
" --sf defines the selected foreground color. (wx)\n"
" --ab defines the alternating background color. (wx)\n"
" --af defines the alternating foreground color. (wx)\n"
" --scb defines the scrollbar background color. (wx)\n"
" --scf defines the scrollbar foreground color. (wx)\n"
" --bdr defines the border color. (wx)\n", out);
exit((out == stderr ? EXIT_FAILURE : EXIT_SUCCESS));
}
static void
set_monitor(struct client *client, char *arg)
{
char *endptr = NULL;
long num = strtol(arg, &endptr, 10);
if (arg == endptr) { // No digits found
if (!strcmp(arg, "focused")) {
client->monitor = -1;
} else if (!strcmp(arg, "all")) {
client->monitor = -2;
} else {
client->monitor_name = arg;
}
} else {
client->monitor = num;
}
}
static void
do_getopt(struct client *client, int *argc, char **argv[])
{
assert(client && argc && argv);
static const struct option opts[] = {
{ "help", no_argument, 0, 'h' },
{ "version", no_argument, 0, 'v' },
{ "ignorecase", no_argument, 0, 'i' },
{ "filter", required_argument, 0, 'F' },
{ "wrap", no_argument, 0, 'w' },
{ "list", required_argument, 0, 'l' },
{ "center", no_argument, 0, 'c' },
{ "prompt", required_argument, 0, 'p' },
{ "index", required_argument, 0, 'I' },
{ "prefix", required_argument, 0, 'P' },
{ "password", no_argument, 0, 'x' },
{ "scrollbar", required_argument, 0, 0x100 },
{ "accept-single",no_argument, 0, 0x11a },
{ "ifne", no_argument, 0, 0x117 },
{ "fork", no_argument, 0, 0x118 },
{ "no-exec", no_argument, 0, 0x119 },
{ "bottom", no_argument, 0, 'b' },
{ "grab", no_argument, 0, 'f' },
{ "no-overlap", no_argument, 0, 'n' },
{ "no-spacing", no_argument, 0, 's' },
{ "no-cursor", no_argument, 0, 'C' },
{ "no-touch", no_argument, 0, 'T' },
{ "no-keyboard", no_argument, 0, 'K' },
{ "monitor", required_argument, 0, 'm' },
{ "line-height", required_argument, 0, 'H' },
{ "margin", required_argument, 0, 'M' },
{ "width-factor", required_argument, 0, 'W' },
{ "border", required_argument, 0, 'B' },
{ "ch", required_argument, 0, 0x120 },
{ "cw", required_argument, 0, 0x125 },
{ "hp", required_argument, 0, 0x122 },
{ "fn", required_argument, 0, 0x101 },
{ "tb", required_argument, 0, 0x102 },
{ "tf", required_argument, 0, 0x103 },
{ "fb", required_argument, 0, 0x104 },
{ "ff", required_argument, 0, 0x105 },
{ "cb", required_argument, 0, 0x126 },
{ "cf", required_argument, 0, 0x127 },
{ "nb", required_argument, 0, 0x106 },
{ "nf", required_argument, 0, 0x107 },
{ "hb", required_argument, 0, 0x108 },
{ "hf", required_argument, 0, 0x109 },
{ "fbb", required_argument, 0, 0x110 },
{ "fbf", required_argument, 0, 0x111 },
{ "sb", required_argument, 0, 0x112 },
{ "sf", required_argument, 0, 0x113 },
{ "ab", required_argument, 0, 0x123 },
{ "af", required_argument, 0, 0x124 },
{ "scb", required_argument, 0, 0x114 },
{ "scf", required_argument, 0, 0x115 },
{ "bdr", required_argument, 0, 0x121 },
{ "vim", no_argument, 0, 0x128 },
{ "disco", no_argument, 0, 0x116 },
{ 0, 0, 0, 0 }
};
/* TODO: getopt does not support -sf, -sb etc..
* Either break the interface and make them --sf, --sb (like they are now),
* or parse them before running getopt.. */
for (optind = 0;;) {
int32_t opt;
if ((opt = getopt_long(*argc, *argv, "hviwxcl:I:p:P:I:bfm:H:M:W:B:nsCTK", opts, NULL)) < 0)
break;
switch (opt) {
case 'h':
usage(stdout, *argv[0]);
break;
case 'v':
version(*argv[0]);
break;
case 'i':
client->filter_mode = BM_FILTER_MODE_DMENU_CASE_INSENSITIVE;
break;
case 'F':
client->initial_filter = optarg;
break;
case 'w':
client->wrap = true;
break;
case 'l':
client->lines = strtol(optarg, NULL, 10);
break;
case 'c':
client->center = true;
break;
case 'p':
client->title = optarg;
break;
case 'P':
client->prefix = optarg;
break;
case 'I':
client->selected = strtol(optarg, NULL, 10);
break;
case 0x100:
client->scrollbar = (!strcmp(optarg, "none") ? BM_SCROLLBAR_NONE : (!strcmp(optarg, "always") ? BM_SCROLLBAR_ALWAYS : (!strcmp(optarg, "autohide") ? BM_SCROLLBAR_AUTOHIDE : BM_SCROLLBAR_NONE)));
break;
case 0x11a:
client->accept_single = true;
break;
case 0x117:
client->ifne = true;
break;
case 0x118:
client->force_fork = true;
break;
case 0x119:
client->no_exec = true;
break;
case 'x':
client->password = true;
break;
case 'b':
client->bottom = true;
break;
case 'f':
client->grab = true;
break;
case 'm':
set_monitor(client, optarg);
break;
case 'n':
client->no_overlap = true;
break;
case 's':
client->no_spacing = true;
break;
case 'C':
client->no_cursor = true;
break;
case 'T':
client->no_touch = true;
break;
case 'K':
client->no_keyboard = true;
break;
case 'H':
client->line_height = strtol(optarg, NULL, 10);
break;
case 'M':
client->hmargin_size = strtol(optarg, NULL, 10);
break;
case 'W':
client->width_factor = strtof(optarg, NULL);
break;
case 'B':
client->border_size = strtol(optarg, NULL, 10);
break;
case 0x120:
client->cursor_height = strtol(optarg, NULL, 10);
break;
case 0x125:
client->cursor_width = strtol(optarg, NULL, 10);
break;
case 0x122:
client->hpadding = strtol(optarg, NULL, 10);
break;
case 0x101:
client->font = optarg;
break;
case 0x102:
client->colors[BM_COLOR_TITLE_BG] = optarg;
break;
case 0x103:
client->colors[BM_COLOR_TITLE_FG] = optarg;
break;
case 0x104:
client->colors[BM_COLOR_FILTER_BG] = optarg;
break;
case 0x105:
client->colors[BM_COLOR_FILTER_FG] = optarg;
break;
case 0x126:
client->colors[BM_COLOR_CURSOR_BG] = optarg;
break;
case 0x127:
client->colors[BM_COLOR_CURSOR_FG] = optarg;
break;
case 0x106:
client->colors[BM_COLOR_ITEM_BG] = optarg;
break;
case 0x107:
client->colors[BM_COLOR_ITEM_FG] = optarg;
break;
case 0x108:
client->colors[BM_COLOR_HIGHLIGHTED_BG] = optarg;
break;
case 0x109:
client->colors[BM_COLOR_HIGHLIGHTED_FG] = optarg;
break;
case 0x110:
client->colors[BM_COLOR_FEEDBACK_BG] = optarg;
break;
case 0x111:
client->colors[BM_COLOR_FEEDBACK_FG] = optarg;
break;
case 0x112:
client->colors[BM_COLOR_SELECTED_BG] = optarg;
break;
case 0x113:
client->colors[BM_COLOR_SELECTED_FG] = optarg;
break;
case 0x123:
client->colors[BM_COLOR_ALTERNATE_BG] = optarg;
break;
case 0x124:
client->colors[BM_COLOR_ALTERNATE_FG] = optarg;
break;
case 0x114:
client->colors[BM_COLOR_SCROLLBAR_BG] = optarg;
break;
case 0x115:
client->colors[BM_COLOR_SCROLLBAR_FG] = optarg;
break;
case 0x121:
client->colors[BM_COLOR_BORDER] = optarg;
break;
case 0x128:
client->use_vim_bindings = true;
break;
case 0x116:
disco();
break;
case ':':
case '?':
fputs("\n", stderr);
usage(stderr, *argv[0]);
break;
}
}
*argc -= optind;
*argv += optind;
}
void
parse_args(struct client *client, int *argc, char **argv[])
{
int num_opts;
char **opts;
const char *env;
if ((env = getenv("BEMENU_OPTS")) && (opts = tokenize_quoted_to_argv(env, (*argv)[0], &num_opts)))
do_getopt(client, &num_opts, &opts);
do_getopt(client, argc, argv);
}
struct bm_menu*
menu_with_options(struct client *client)
{
struct bm_menu *menu;
if (!(menu = bm_menu_new(NULL)))
return NULL;
client->fork = (client->force_fork || (bm_renderer_get_priorty(bm_menu_get_renderer(menu)) != BM_PRIO_TERMINAL));
bm_menu_set_font(menu, client->font);
bm_menu_set_line_height(menu, client->line_height);
bm_menu_set_cursor_height(menu, client->cursor_height);
bm_menu_set_cursor_width(menu, client->cursor_width);
bm_menu_set_hpadding(menu, client->hpadding);
bm_menu_set_title(menu, client->title);
bm_menu_set_prefix(menu, client->prefix);
bm_menu_set_filter_mode(menu, client->filter_mode);
bm_menu_set_lines(menu, client->lines);
bm_menu_set_wrap(menu, client->wrap);
bm_menu_set_monitor(menu, client->monitor);
bm_menu_set_monitor_name(menu, client->monitor_name);
bm_menu_set_scrollbar(menu, client->scrollbar);
bm_menu_set_panel_overlap(menu, !client->no_overlap);
bm_menu_set_spacing(menu, !client->no_spacing);
bm_menu_set_password(menu, client->password);
bm_menu_set_width(menu, client->hmargin_size, client->width_factor);
bm_menu_set_border_size(menu, client->border_size);
bm_menu_set_use_vim_bindings(menu, client->use_vim_bindings);
if (client->center) {
bm_menu_set_align(menu, BM_ALIGN_CENTER);
} else if (client->bottom) {
bm_menu_set_align(menu, BM_ALIGN_BOTTOM);
} else {
bm_menu_set_align(menu, BM_ALIGN_TOP);
}
for (uint32_t i = 0; i < BM_COLOR_LAST; ++i)
bm_menu_set_color(menu, i, client->colors[i]);
if (client->grab) {
bm_menu_set_filter(menu, "Loading...");
// bm_menu_grab_keyboard(menu, true);
bm_menu_render(menu);
bm_menu_set_filter(menu, NULL);
}
return menu;
}
enum bm_run_result
run_menu(const struct client *client, struct bm_menu *menu, void (*item_cb)(const struct client *client, struct bm_item *item))
{
{
uint32_t total_item_count;
struct bm_item **items = bm_menu_get_items(menu, &total_item_count);
if (client->ifne && total_item_count == 0) {
return BM_RUN_RESULT_CANCEL;
}
if (client->accept_single && total_item_count == 1) {
item_cb(client, *items);
return BM_RUN_RESULT_SELECTED;
}
}
bm_menu_set_highlighted_index(menu, client->selected);
bm_menu_grab_keyboard(menu, true);
bm_menu_set_filter(menu, client->initial_filter);
uint32_t unicode;
enum bm_key key = BM_KEY_NONE;
struct bm_pointer pointer;
struct bm_touch touch;
enum bm_run_result status = BM_RUN_RESULT_RUNNING;
do {
if (!bm_menu_render(menu)) {
status = BM_RUN_RESULT_CANCEL;
break;
}
if (!client->no_keyboard) {
key = bm_menu_poll_key(menu, &unicode);
}
if (!client->no_cursor) {
pointer = bm_menu_poll_pointer(menu);
}
if (!client->no_touch) {
touch = bm_menu_poll_touch(menu);
}
} while ((status = bm_menu_run_with_events(menu, key, pointer, touch, unicode)) == BM_RUN_RESULT_RUNNING);
switch (status) {
case BM_RUN_RESULT_SELECTED:
case BM_RUN_RESULT_CUSTOM_1:
case BM_RUN_RESULT_CUSTOM_2:
case BM_RUN_RESULT_CUSTOM_3:
case BM_RUN_RESULT_CUSTOM_4:
case BM_RUN_RESULT_CUSTOM_5:
case BM_RUN_RESULT_CUSTOM_6:
case BM_RUN_RESULT_CUSTOM_7:
case BM_RUN_RESULT_CUSTOM_8:
case BM_RUN_RESULT_CUSTOM_9:
case BM_RUN_RESULT_CUSTOM_10:
{
uint32_t i, count;
struct bm_item **items = bm_menu_get_selected_items(menu, &count);
for (i = 0; i < count; ++i) item_cb(client, items[i]);
}
break;
default: break;
}
return status;
}
/* vim: set ts=8 sw=4 tw=0 :*/
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