/*
* Instead of polling the X connection socket we leave this to
* xcb_poll_for_event() which knows better than we can ever know.
*
*/
static void xcb_check_cb(EV_P_ ev_check *w, int revents) {
xcb_generic_event_t *event;
while ((event = xcb_poll_for_event(conn)) != NULL) {
if (event->response_type == 0) {
xcb_generic_error_t *error = (xcb_generic_error_t*)event;
if (debug_mode)
fprintf(stderr, "X11 Error received! sequence 0x%x, error_code = %d\n",
error->sequence, error->error_code);
free(event);
continue;
}
/* Strip off the highest bit (set if the event is generated) */
int type = (event->response_type & 0x7F);
switch (type) {
case XCB_KEY_PRESS:
handle_key_press((xcb_key_press_event_t*)event);
break;
case XCB_KEY_RELEASE:
handle_key_release((xcb_key_release_event_t*)event);
/* If this was the backspace or escape key we are back at an
* empty input, so turn off the screen if DPMS is enabled */
if (dpms && input_position == 0)
dpms_turn_off_screen(conn);
break;
case XCB_VISIBILITY_NOTIFY:
handle_visibility_notify((xcb_visibility_notify_event_t*)event);
break;
case XCB_MAP_NOTIFY:
if (!dont_fork) {
/* After the first MapNotify, we never fork again. We don’t
* expect to get another MapNotify, but better be sure… */
dont_fork = true;
/* In the parent process, we exit */
if (fork() != 0)
exit(0);
ev_loop_fork(EV_DEFAULT);
}
break;
case XCB_MAPPING_NOTIFY:
handle_mapping_notify((xcb_mapping_notify_event_t*)event);
break;
case XCB_CONFIGURE_NOTIFY:
handle_screen_resize();
break;
}
free(event);
}
}
/* process_character: [fdwatch thread]
* This is where most of the work gets done. CH is a byte read in
* from the keyboard's fd. This function finds the Allegro equivalent
* of that key code, figures out which ASCII character that key
* generates (if any), and then calls the handle_key_press() and
* handle_key_release() functions with that information. It also does
* some things with modifier keys.
*/
static void process_character(unsigned char ch)
{
/* read kernel's keycode and convert to Allegro's keycode */
int keycode = ch & 0x7f;
bool press = !(ch & 0x80);
int mycode = kernel_to_mycode[keycode];
/* if the key was something weird we don't understand, skip it */
if (mycode == 0)
return;
/* process modifiers */
if (mycode >= ALLEGRO_KEY_MODIFIERS) {
int flag = modifier_table[mycode - ALLEGRO_KEY_MODIFIERS];
if (press) {
if (flag & KB_MODIFIERS)
the_keyboard.modifiers |= flag;
else if ((flag & KB_LED_FLAGS) && the_keyboard.key_led_flag)
the_keyboard.modifiers ^= flag;
}
else {
/* XXX: if the user presses LCTRL, then RCTRL, then releases
* LCTRL, the ALLEGRO_KEYMOD_CTRL modifier should still be on.
*/
if (flag & KB_MODIFIERS)
the_keyboard.modifiers &= ~flag;
}
}
/* call the handlers */
if (press) {
int ascii = keycode_to_char(keycode);
/* switch VT if the user requested so */
if (ascii < 0) {
int console = -ascii;
int last_console;
ioctl(the_keyboard.fd, VT_OPENQRY, &last_console);
if (console < last_console)
if (ioctl(the_keyboard.fd, VT_ACTIVATE, console) == 0)
return;
}
handle_key_press(mycode, ascii);
}
else {
handle_key_release(mycode);
}
/* three-finger salute for killing the program */
if ((the_keyboard.three_finger_flag)
&& ((mycode == ALLEGRO_KEY_DELETE) || (mycode == ALLEGRO_KEY_END))
&& (the_keyboard.modifiers & ALLEGRO_KEYMOD_CTRL)
&& (the_keyboard.modifiers & ALLEGRO_KEYMOD_ALT))
{
kill(main_pid, SIGTERM);
}
}
/* key_dinput_handle_scancode: [input thread]
* Handles a single scancode.
*/
static void key_dinput_handle_scancode(unsigned char scancode, int pressed)
{
HWND allegro_wnd = win_get_window();
static int ignore_three_finger_flag = FALSE;
/* ignore special Windows keys (alt+tab, alt+space, (ctrl|alt)+esc) */
if (((scancode == DIK_TAB) && (_key_shifts & KB_ALT_FLAG))
|| ((scancode == DIK_SPACE) && (_key_shifts & KB_ALT_FLAG))
|| ((scancode == DIK_ESCAPE) && (_key_shifts & (KB_CTRL_FLAG | KB_ALT_FLAG))))
return;
/* alt+F4 triggers a WM_CLOSE under Windows */
if ((scancode == DIK_F4) && (_key_shifts & KB_ALT_FLAG)) {
if (pressed)
PostMessage(allegro_wnd, WM_CLOSE, 0, 0);
return;
}
/* Special case KEY_PAUSE as flip-flop key. */
if (scancode == DIK_PAUSE) {
if (!pressed)
return;
if (key[KEY_PAUSE])
pressed = 0;
else
pressed = 1;
}
/* if not foreground, filter out press codes and handle only release codes */
if (!wnd_sysmenu || !pressed) {
/* three-finger salute for killing the program */
if (three_finger_flag && (_key_shifts & KB_CTRL_FLAG) && (_key_shifts & KB_ALT_FLAG)) {
if (scancode == 0x00) {
/* when pressing CTRL-ALT-DEL, Windows launches CTRL-ALT-EVERYTHING */
ignore_three_finger_flag = TRUE;
}
else if (!ignore_three_finger_flag && (scancode == DIK_END || scancode == DIK_NUMPAD1)) {
/* we can now safely assume the user hit CTRL-ALT-END as opposed to CTRL-ALT-DEL */
_TRACE(PREFIX_I "Terminating application\n");
abort();
}
else if (ignore_three_finger_flag && scancode == 0xff) {
/* Windows is finished with CTRL-ALT-EVERYTHING - lets return to normality */
ignore_three_finger_flag = FALSE;
_key_shifts = 0;
}
}
if (pressed)
handle_key_press(scancode);
else
handle_key_release(scancode);
}
}
int wikilib_run(void)
{
int sleep;
long time_now;
struct wl_input_event ev;
int more_events = 0;
unsigned long last_event_time = 0;
int rc;
/*
* test searching code...
*/
article_buf_pointer = NULL;
search_init();
history_list_init();
malloc_status_simple();
print_intro();
#ifndef INCLUDED_FROM_KERNEL
if (!load_init_article(idx_init_article))
{
display_mode = DISPLAY_MODE_ARTICLE;
last_display_mode = DISPLAY_MODE_INDEX;
}
#endif
render_string(SUBTITLE_FONT_IDX, -1, 55, MESSAGE_TYPE_A_WORD, strlen(MESSAGE_TYPE_A_WORD), 0);
for (;;) {
if (more_events)
sleep = 0;
else
sleep = 1;
if (!more_events && display_mode == DISPLAY_MODE_ARTICLE && render_article_with_pcf())
sleep = 0;
else if (!more_events && display_mode == DISPLAY_MODE_INDEX && render_search_result_with_pcf())
sleep = 0;
else if (!more_events && display_mode == DISPLAY_MODE_HISTORY && render_history_with_pcf())
sleep = 0;
if (finger_move_speed != 0)
{
scroll_article();
sleep = 0;
}
#ifdef INCLUDED_FROM_KERNEL
time_now = get_time_ticks();
if(display_mode == DISPLAY_MODE_INDEX)
{
if (press_delete_button && get_search_string_len()>0)
{
sleep = 0;
if(time_diff(time_now, start_search_time) > seconds_to_ticks(3.5))
{
if (!clear_search_string())
{
search_string_changed_remove = true;
search_reload_ex(SEARCH_RELOAD_NORMAL);
}
press_delete_button = false;
}
else if (time_diff(time_now, start_search_time) > seconds_to_ticks(0.5) &&
time_diff(time_now, last_delete_time) > seconds_to_ticks(0.25))
{
if (!search_remove_char(0))
{
search_string_changed_remove = true;
search_reload_ex(SEARCH_RELOAD_NO_POPULATE);
}
last_delete_time = time_now;
}
}
}
else if (display_mode == DISPLAY_MODE_RESTRICTED)
{
if (press_delete_button && get_password_string_len()>0)
{
sleep = 0;
time_now = get_time_ticks();
if(time_diff(time_now, start_search_time) > seconds_to_ticks(3.5))
{
clear_password_string();
press_delete_button = false;
}
else if (time_diff(time_now, start_search_time) > seconds_to_ticks(0.5) &&
time_diff(time_now, last_delete_time) > seconds_to_ticks(0.25))
{
password_remove_char();
last_delete_time = time_now;
}
}
}
#endif
if (!more_events && display_mode == DISPLAY_MODE_INDEX && fetch_search_result(0, 0, 0))
{
sleep = 0;
}
if (keyboard_key_reset_invert(KEYBOARD_RESET_INVERT_CHECK)) // check if need to reset invert
sleep = 0;
if (check_invert_link()) // check if need to invert link
sleep = 0;
if (sleep)
{
if (time_diff(get_time_ticks(), last_event_time) > seconds_to_ticks(15))
rc = history_list_save(HISTORY_SAVE_POWER_OFF);
else
rc = history_list_save(HISTORY_SAVE_NORMAL);
if (rc > 0)
{
#ifdef INCLUDED_FROM_KERNEL
delay_us(200000); // for some reason, save may not work if no delay
#endif
}
else if (rc < 0)
sleep = 0; // waiting for last_event_time timeout to save the history
}
wl_input_wait(&ev, sleep);
more_events = 1;
switch (ev.type) {
case WL_INPUT_EV_TYPE_CURSOR:
handle_cursor(&ev);
last_event_time = get_time_ticks();
break;
case WL_INPUT_EV_TYPE_KEYBOARD:
if (ev.key_event.value != 0)
{
b_show_scroll_bar = 0;
handle_key_release(ev.key_event.keycode);
}
last_event_time = get_time_ticks();
break;
case WL_INPUT_EV_TYPE_TOUCH:
handle_touch(&ev);
last_event_time = ev.touch_event.ticks;
break;
default:
more_events = 0;
break;
}
}
/* never reached */
return 0;
}
/* _al_xwin_keyboard_handler:
* Keyboard "interrupt" handler.
*/
void _al_xwin_keyboard_handler(XKeyEvent *event, ALLEGRO_DISPLAY *display)
{
int keycode;
if (!xkeyboard_installed)
return;
keycode = keycode_to_scancode[event->keycode];
if (keycode == -1)
keycode = find_unknown_key_assignment(event->keycode);
update_shifts(event);
/* Special case the pause key. */
if (keycode == ALLEGRO_KEY_PAUSE) {
/* Allegro ignore's releasing of the pause key. */
if (event->type == KeyRelease)
return;
if (pause_key) {
event->type = KeyRelease;
pause_key = 0;
}
else {
pause_key = 1;
}
}
if (event->type == KeyPress) { /* Key pressed. */
int len;
char buffer[16];
int unicode = 0;
int filtered = 0;
#if defined (ALLEGRO_XWINDOWS_WITH_XIM) && defined(X_HAVE_UTF8_STRING)
if (xic) {
len = Xutf8LookupString(xic, event, buffer, sizeof buffer, NULL, NULL);
}
else
#endif
{
/* XLookupString is supposed to only use ASCII. */
len = XLookupString(event, buffer, sizeof buffer, NULL, NULL);
}
buffer[len] = '\0';
ALLEGRO_USTR_INFO info;
const ALLEGRO_USTR *ustr = al_ref_cstr(&info, buffer);
unicode = al_ustr_get(ustr, 0);
if (unicode < 0)
unicode = 0;
#ifdef ALLEGRO_XWINDOWS_WITH_XIM
ALLEGRO_DISPLAY_XGLX *glx = (void *)display;
filtered = XFilterEvent((XEvent *)event, glx->window);
#endif
if (keycode || unicode) {
handle_key_press(keycode, unicode, filtered, _key_shifts, display);
}
}
else { /* Key release. */
/* HACK:
* Detect key repeat by looking forward to see if this release is
* followed by a press event, in which case we assume that this release
* event was generated in response to that key press event. Events are
* simultaneous if they are separated by less than 4 ms (a value that
* worked well on one machine where this hack was needed).
*
* This is unnecessary on systems where XkbSetDetectableAutorepeat works.
*/
if (XPending(event->display) > 0) {
ALLEGRO_KEY_REPEAT_DATA d;
XEvent dummy;
d.event = event;
d.found = false;
XCheckIfEvent(event->display, &dummy, check_for_repeat, (XPointer)&d);
if (d.found) {
return;
}
}
handle_key_release(keycode, display);
}
}
int main(int argc, char *argv[]) {
format = sstrdup("%s");
char *socket_path = NULL;
char *pattern = sstrdup("pango:monospace 8");
int o, option_index = 0;
static struct option long_options[] = {
{"socket", required_argument, 0, 's'},
{"version", no_argument, 0, 'v'},
{"limit", required_argument, 0, 'l'},
{"prompt", required_argument, 0, 'P'},
{"prefix", required_argument, 0, 'p'},
{"format", required_argument, 0, 'F'},
{"font", required_argument, 0, 'f'},
{"help", no_argument, 0, 'h'},
{0, 0, 0, 0}};
char *options_string = "s:p:P:f:l:F:vh";
while ((o = getopt_long(argc, argv, options_string, long_options, &option_index)) != -1) {
switch (o) {
case 's':
FREE(socket_path);
socket_path = sstrdup(optarg);
break;
case 'v':
printf("i3-input " I3_VERSION);
return 0;
case 'p':
/* This option is deprecated, but will still work in i3 v4.1, 4.2 and 4.3 */
fprintf(stderr, "i3-input: WARNING: the -p option is DEPRECATED in favor of the -F (format) option\n");
FREE(format);
sasprintf(&format, "%s%%s", optarg);
break;
case 'l':
limit = atoi(optarg);
break;
case 'P':
i3string_free(prompt);
prompt = i3string_from_utf8(optarg);
break;
case 'f':
FREE(pattern);
pattern = sstrdup(optarg);
break;
case 'F':
FREE(format);
format = sstrdup(optarg);
break;
case 'h':
printf("i3-input " I3_VERSION "\n");
printf("i3-input [-s <socket>] [-F <format>] [-l <limit>] [-P <prompt>] [-f <font>] [-v]\n");
printf("\n");
printf("Example:\n");
printf(" i3-input -F 'workspace \"%%s\"' -P 'Switch to workspace: '\n");
return 0;
}
}
printf("using format \"%s\"\n", format);
int screen;
conn = xcb_connect(NULL, &screen);
if (!conn || xcb_connection_has_error(conn))
die("Cannot open display\n");
sockfd = ipc_connect(socket_path);
root_screen = xcb_aux_get_screen(conn, screen);
root = root_screen->root;
symbols = xcb_key_symbols_alloc(conn);
init_dpi();
font = load_font(pattern, true);
set_font(&font);
if (prompt != NULL)
prompt_offset = predict_text_width(prompt);
const xcb_rectangle_t win_pos = get_window_position();
/* Open an input window */
win = xcb_generate_id(conn);
xcb_create_window(
conn,
XCB_COPY_FROM_PARENT,
win, /* the window id */
root, /* parent == root */
win_pos.x, win_pos.y, win_pos.width, win_pos.height, /* dimensions */
0, /* X11 border = 0, we draw our own */
XCB_WINDOW_CLASS_INPUT_OUTPUT,
XCB_WINDOW_CLASS_COPY_FROM_PARENT, /* copy visual from parent */
XCB_CW_BACK_PIXEL | XCB_CW_OVERRIDE_REDIRECT | XCB_CW_EVENT_MASK,
(uint32_t[]){
0, /* back pixel: black */
1, /* override redirect: don’t manage this window */
XCB_EVENT_MASK_EXPOSURE});
/* Map the window (make it visible) */
xcb_map_window(conn, win);
/* Initialize the drawable surface */
draw_util_surface_init(conn, &surface, win, get_visualtype(root_screen), win_pos.width, win_pos.height);
/* Grab the keyboard to get all input */
xcb_flush(conn);
/* Try (repeatedly, if necessary) to grab the keyboard. We might not
* get the keyboard at the first attempt because of the keybinding
* still being active when started via a wm’s keybinding. */
xcb_grab_keyboard_cookie_t cookie;
xcb_grab_keyboard_reply_t *reply = NULL;
int count = 0;
while ((reply == NULL || reply->status != XCB_GRAB_STATUS_SUCCESS) && (count++ < 500)) {
cookie = xcb_grab_keyboard(conn, false, win, XCB_CURRENT_TIME, XCB_GRAB_MODE_ASYNC, XCB_GRAB_MODE_ASYNC);
reply = xcb_grab_keyboard_reply(conn, cookie, NULL);
usleep(1000);
}
if (reply->status != XCB_GRAB_STATUS_SUCCESS) {
fprintf(stderr, "Could not grab keyboard, status = %d\n", reply->status);
exit(-1);
}
xcb_flush(conn);
xcb_generic_event_t *event;
while ((event = xcb_wait_for_event(conn)) != NULL) {
if (event->response_type == 0) {
fprintf(stderr, "X11 Error received! sequence %x\n", event->sequence);
continue;
}
/* Strip off the highest bit (set if the event is generated) */
int type = (event->response_type & 0x7F);
switch (type) {
case XCB_KEY_PRESS:
handle_key_press(NULL, conn, (xcb_key_press_event_t *)event);
break;
case XCB_KEY_RELEASE:
handle_key_release(NULL, conn, (xcb_key_release_event_t *)event);
break;
case XCB_EXPOSE:
if (((xcb_expose_event_t *)event)->count == 0) {
handle_expose(NULL, conn, (xcb_expose_event_t *)event);
}
break;
}
free(event);
}
draw_util_surface_free(conn, &surface);
return 0;
}
