static void
handleKeyEvent(WaylandDisplay::SeatData& seatData, uint32_t key, uint32_t state, uint32_t time)
{
auto& xkb = seatData.xkb;
uint32_t keysym = xkb_state_key_get_one_sym(xkb.state, key);
uint32_t unicode = xkb_state_key_get_utf32(xkb.state, key);
if (state == WL_KEYBOARD_KEY_STATE_PRESSED
&& xkb_compose_state_feed(xkb.composeState, keysym) == XKB_COMPOSE_FEED_ACCEPTED
&& xkb_compose_state_get_status(xkb.composeState) == XKB_COMPOSE_COMPOSED)
{
keysym = xkb_compose_state_get_one_sym(xkb.composeState);
unicode = xkb_keysym_to_utf32(keysym);
}
if (seatData.keyboard.target.first)
seatData.keyboard.target.second->handleKeyboardEvent({ time, keysym, unicode, !!state, xkb.modifiers });
}
static xkb_keysym_t composeSymbol(xkb_keysym_t sym)
{
if (sym == XKB_KEY_NoSymbol || !_glfw.wl.xkb.composeState)
return sym;
if (xkb_compose_state_feed(_glfw.wl.xkb.composeState, sym)
!= XKB_COMPOSE_FEED_ACCEPTED)
return sym;
switch (xkb_compose_state_get_status(_glfw.wl.xkb.composeState))
{
case XKB_COMPOSE_COMPOSED:
return xkb_compose_state_get_one_sym(_glfw.wl.xkb.composeState);
case XKB_COMPOSE_COMPOSING:
case XKB_COMPOSE_CANCELLED:
return XKB_KEY_NoSymbol;
case XKB_COMPOSE_NOTHING:
default:
return sym;
}
}
static bool handle_key_press(Keyboard *keyboard, xkb_keycode_t keycode, char *password, char **password_cursor) {
xkb_keysym_t keysym = xkb_state_key_get_one_sym(keyboard->state, keycode);
enum xkb_compose_status status = XKB_COMPOSE_NOTHING;
if (xkb_compose_state_feed(keyboard->compose_state, keysym) == XKB_COMPOSE_FEED_ACCEPTED) {
status = xkb_compose_state_get_status(keyboard->compose_state);
if (status == XKB_COMPOSE_COMPOSED) {
keysym = xkb_compose_state_get_one_sym(keyboard->compose_state);
} else if (status == XKB_COMPOSE_COMPOSING || status == XKB_COMPOSE_CANCELLED) {
return false;
}
}
if (keysym == XKB_KEY_Return) {
return true;
} else if (keysym == XKB_KEY_Escape) {
running = false;
return false;
} else if (keysym == XKB_KEY_BackSpace) {
if (*password_cursor != &password[0]) {
while ((*(--(*password_cursor)) & 0xc0) == 0x80);
**password_cursor = '\0';
}
return false;
}
char buffer[16] = { '\0' };
int len;
if (status == XKB_COMPOSE_COMPOSED) {
len = xkb_compose_state_get_utf8(keyboard->compose_state, buffer, sizeof(buffer));
} else {
len = xkb_state_key_get_utf8(keyboard->state, keycode, buffer, sizeof(buffer));
}
if (len < 1) {
return false;
}
memcpy(*password_cursor, buffer, len + 1);
*password_cursor += len;
return false;
}
/*
* Handle key presses. Fixes state, then looks up the key symbol for the
* given keycode, then looks up the key symbol (as UCS-2), converts it to
* UTF-8 and stores it in the password array.
*
*/
static void handle_key_press(xcb_key_press_event_t *event) {
xkb_keysym_t ksym;
char buffer[128];
int n;
bool ctrl;
bool composed = false;
ksym = xkb_state_key_get_one_sym(xkb_state, event->detail);
ctrl = xkb_state_mod_name_is_active(xkb_state, XKB_MOD_NAME_CTRL, XKB_STATE_MODS_DEPRESSED);
/* The buffer will be null-terminated, so n >= 2 for 1 actual character. */
memset(buffer, '\0', sizeof(buffer));
if (xkb_compose_state && xkb_compose_state_feed(xkb_compose_state, ksym) == XKB_COMPOSE_FEED_ACCEPTED) {
switch (xkb_compose_state_get_status(xkb_compose_state)) {
case XKB_COMPOSE_NOTHING:
break;
case XKB_COMPOSE_COMPOSING:
return;
case XKB_COMPOSE_COMPOSED:
/* xkb_compose_state_get_utf8 doesn't include the terminating byte in the return value
* as xkb_keysym_to_utf8 does. Adding one makes the variable n consistent. */
n = xkb_compose_state_get_utf8(xkb_compose_state, buffer, sizeof(buffer)) + 1;
ksym = xkb_compose_state_get_one_sym(xkb_compose_state);
composed = true;
break;
case XKB_COMPOSE_CANCELLED:
xkb_compose_state_reset(xkb_compose_state);
return;
}
}
if (!composed) {
n = xkb_keysym_to_utf8(ksym, buffer, sizeof(buffer));
}
switch (ksym) {
case XKB_KEY_Return:
case XKB_KEY_KP_Enter:
case XKB_KEY_XF86ScreenSaver:
if (pam_state == STATE_PAM_WRONG)
return;
if (skip_without_validation()) {
clear_input();
return;
}
password[input_position] = '\0';
unlock_state = STATE_KEY_PRESSED;
redraw_screen();
input_done();
skip_repeated_empty_password = true;
return;
default:
skip_repeated_empty_password = false;
}
switch (ksym) {
case XKB_KEY_u:
if (ctrl) {
DEBUG("C-u pressed\n");
clear_input();
return;
}
break;
case XKB_KEY_Escape:
clear_input();
return;
case XKB_KEY_BackSpace:
if (input_position == 0)
return;
/* decrement input_position to point to the previous glyph */
u8_dec(password, &input_position);
password[input_position] = '\0';
/* Hide the unlock indicator after a bit if the password buffer is
* empty. */
START_TIMER(clear_indicator_timeout, 1.0, clear_indicator_cb);
unlock_state = STATE_BACKSPACE_ACTIVE;
redraw_screen();
unlock_state = STATE_KEY_PRESSED;
return;
}
if ((input_position + 8) >= sizeof(password))
return;
#if 0
/* FIXME: handle all of these? */
printf("is_keypad_key = %d\n", xcb_is_keypad_key(sym));
printf("is_private_keypad_key = %d\n", xcb_is_private_keypad_key(sym));
printf("xcb_is_cursor_key = %d\n", xcb_is_cursor_key(sym));
printf("xcb_is_pf_key = %d\n", xcb_is_pf_key(sym));
printf("xcb_is_function_key = %d\n", xcb_is_function_key(sym));
printf("xcb_is_misc_function_key = %d\n", xcb_is_misc_function_key(sym));
printf("xcb_is_modifier_key = %d\n", xcb_is_modifier_key(sym));
#endif
if (n < 2)
return;
/* store it in the password array as UTF-8 */
memcpy(password + input_position, buffer, n - 1);
input_position += n - 1;
DEBUG("current password = %.*s\n", input_position, password);
if (unlock_indicator) {
unlock_state = STATE_KEY_ACTIVE;
redraw_screen();
unlock_state = STATE_KEY_PRESSED;
struct ev_timer *timeout = NULL;
START_TIMER(timeout, TSTAMP_N_SECS(0.25), redraw_timeout);
STOP_TIMER(clear_indicator_timeout);
}
START_TIMER(discard_passwd_timeout, TSTAMP_N_MINS(3), discard_passwd_cb);
}
