static void input_read_cb(Stream *stream, RBuffer *buf, size_t c, void *data,
bool at_eof)
{
if (at_eof) {
input_done();
}
assert(rbuffer_space(input_buffer) >= rbuffer_size(buf));
RBUFFER_UNTIL_EMPTY(buf, ptr, len) {
(void)rbuffer_write(input_buffer, ptr, len);
rbuffer_consumed(buf, len);
}
/*
* 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);
}
/*
* 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;
ksym = xkb_state_key_get_one_sym(xkb_state, event->detail);
ctrl = xkb_state_mod_name_is_active(xkb_state, "Control", XKB_STATE_MODS_DEPRESSED);
xkb_state_update_key(xkb_state, event->detail, XKB_KEY_DOWN);
/* The buffer will be null-terminated, so n >= 2 for 1 actual character. */
memset(buffer, '\0', sizeof(buffer));
n = xkb_keysym_to_utf8(ksym, buffer, sizeof(buffer));
switch (ksym) {
case XKB_KEY_Return:
case XKB_KEY_KP_Enter:
case XKB_KEY_XF86ScreenSaver:
password[input_position] = '\0';
unlock_state = STATE_KEY_PRESSED;
redraw_screen();
input_done();
return;
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_clear_indicator_timeout();
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);
unlock_state = STATE_KEY_ACTIVE;
redraw_screen();
unlock_state = STATE_KEY_PRESSED;
struct ev_timer *timeout = calloc(sizeof(struct ev_timer), 1);
if (timeout) {
ev_timer_init(timeout, redraw_timeout, 0.25, 0.);
ev_timer_start(main_loop, timeout);
}
stop_clear_indicator_timeout();
}
/*
* 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;
ksym = xkb_state_key_get_one_sym(xkb_state, event->detail);
ctrl = xkb_state_mod_name_is_active(xkb_state, "Control", XKB_STATE_MODS_DEPRESSED);
/* The buffer will be null-terminated, so n >= 2 for 1 actual character. */
memset(buffer, '\0', sizeof(buffer));
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 (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);
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);
}
