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// vim:ts=4:sw=4:expandtab
#include "all.h"
#include <getopt.h>
#include <unistd.h>
#include <sys/types.h>
#include <sys/wait.h>
#ifndef __VERSION
#define __VERSION "unknown"
#endif
typedef void (*callback)(void);
/* Forward declarations */
static void run(void);
static void on_exit_hook(void);
static void parse_args(int argc, char *argv[]);
static void print_usage(char *argv[]);
static void safe_fork(callback child_callback);
static void display_init();
Display *display;
int num_screens;
Window *roots; // root of each screen
// screen and root window the cursor is in, as set in cursor_find
int active_screen;
Window active_root;
// the screen to use with the onescreen option
int default_screen;
Config config = {
.timeout = 5,
.jitter = 0,
.exclude_root = false,
.ignore_scrolling = false,
.ignore_buttons.count = 0,
.ignore_buttons.buttons = NULL,
.hide_on_touch = false,
.fork = false,
.debug = false,
.onescreen = false,
.ignore_matches = false,
.matches = NULL
};
int main(int argc, char *argv[]) {
atexit(on_exit_hook);
parse_args(argc, argv);
if (config.fork) {
DLOG("Forking to background.");
safe_fork(run);
} else
run();
}
static void run(void) {
display = XOpenDisplay(NULL);
if (display == NULL)
bail("Failed to connect to the X server.");
display_init();
extensions_init();
event_init();
exit(EXIT_SUCCESS);
}
static void on_exit_hook(void) {
cursor_show();
if (display != NULL)
XCloseDisplay(display);
}
static void parse_args(int argc, char *argv[]) {
int c,
opt_index = 0;
static struct option long_options[] = {
/* Compatibility options */
{ "display", required_argument, 0, 0 },
{ "idle", required_argument, 0, 0 },
{ "keystroke", no_argument, 0, 0 },
{ "grab", no_argument, 0, 0 },
{ "noevents", no_argument, 0, 0 },
{ "reset", no_argument, 0, 0 },
{ "root", no_argument, 0, 0 },
{ "onescreen", no_argument, 0, 0 },
{ "not", no_argument, 0, 0 },
/* unclutter-xfixes options */
{ "timeout", required_argument, 0, 0 },
{ "jitter", required_argument, 0, 0 },
{ "exclude-root", no_argument, 0, 0 },
{ "ignore-scrolling", no_argument, 0, 0 },
{ "ignore-buttons", required_argument, 0, 0 },
{ "hide-on-touch", no_argument, 0, 0 },
{ "fork", no_argument, 0, 'b' },
{ "version", no_argument, 0, 'v' },
{ "help", no_argument, 0, 'h' },
{ "debug", no_argument, 0, 0 },
{ 0, 0, 0, 0 }
};
while ((c = getopt_long_only(argc, argv, "t:j:bvhd:", long_options, &opt_index)) != -1) {
long value;
double value_double;
const char *opt_name = long_options[opt_index].name;
#define OPT_NAME_IS(name) (strcmp(opt_name, (name)) == 0)
switch (c) {
case 0:
if (OPT_NAME_IS("display")) {
setenv("DISPLAY", optarg, true);
break;
} else if (OPT_NAME_IS("timeout") || OPT_NAME_IS("idle")) {
value_double = parse_double(optarg);
if (value_double < 0)
ELOG("Invalid timeout specified.");
else
config.timeout = value_double;
break;
} else if (OPT_NAME_IS("jitter")) {
value = parse_int(optarg);
if (value < 0)
ELOG("Invalid jitter value specified.");
else
config.jitter = value;
break;
} else if (OPT_NAME_IS("exclude-root")) {
config.exclude_root = true;
break;
} else if (OPT_NAME_IS("hide-on-touch")) {
config.hide_on_touch = true;
break;
} else if (OPT_NAME_IS("root")) {
config.exclude_root = false;
break;
} else if (OPT_NAME_IS("onescreen")) {
config.onescreen = true;
break;
} else if (OPT_NAME_IS("not")) {
config.ignore_matches = true;
break;
} else if (OPT_NAME_IS("ignore-scrolling")) {
config.ignore_scrolling = true;
break;
} else if (OPT_NAME_IS("ignore-buttons")) {
parse_buttons_numbers(optarg, &config.ignore_buttons);
break;
} else if (OPT_NAME_IS("debug")) {
config.debug = true;
break;
} else if (OPT_NAME_IS("keystroke") || OPT_NAME_IS("grab") || OPT_NAME_IS("noevents") || OPT_NAME_IS("reset")) {
ELOG("Using unsupported unclutter argument \"%s\", ignoring.", opt_name);
break;
}
print_usage(argv);
break;
case 'b':
config.fork = true;
break;
case 'v':
fprintf(stderr, "unclutter-xfixes version %s\n", __VERSION);
exit(EXIT_SUCCESS);
break;
case 'd':
setenv("DISPLAY", optarg, true);
break;
case 'h':
default:
print_usage(argv);
break;
}
}
if (config.ignore_matches) {
config.matches = calloc(sizeof(match_t), argc - optind + 1);
if (config.matches == NULL)
bail("Failed to allocate space for matches");
for (c = 0; optind < argc; c++, optind++) {
char *name = argv[optind];
config.matches[c].name = name;
config.matches[c].len = name ? strlen(name) : 0;
}
}
#undef OPT_NAME_IS
}
static void print_usage(char *argv[]) {
fprintf(stderr, "Usage: %s [--timeout <n>] [--jitter <radius>] [--exclude-root] [--ignore-scrolling] [--ignore-buttons <buttons>] [--hide-on-touch] [-b|--fork] [-v|--version] [-h|--help]", argv[0]);
fprintf(stderr, "\n");
exit(EXIT_FAILURE);
}
static void safe_fork(callback child_callback) {
pid_t pid = fork();
if (!pid) {
if (!fork()) {
(*child_callback)();
} else {
exit(EXIT_SUCCESS);
}
} else {
waitpid(pid, NULL, 0);
}
}
static void display_init() {
int screen;
Window child;
int root_x, root_y;
num_screens = ScreenCount(display);
roots = calloc(sizeof(Window), num_screens);
if (roots == NULL)
bail("Failed to allocate root windows.");
for (screen = 0; screen < num_screens; screen++)
roots[screen] = XRootWindow(display, screen);
active_screen = DefaultScreen(display);
active_root = RootWindow(display, active_screen);
default_screen = active_screen;
cursor_find(&child, &root_x, &root_y);
}
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