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Add capslock and numlock indicators

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When the unlock indicator warns the user that a password was typed
wrong, it now also reports the state of the capslock and numlock
modifiers.

Signed-off-by: Alexandre Boeglin <alex@boeglin.org>
This commit is contained in:
Alexandre Boeglin 2015-02-11 20:52:07 +01:00 committed by Deiz
parent fe99346fb1
commit a9ecf1e0c9
2 changed files with 36 additions and 1 deletions
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9
i3lock.c
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@ -59,6 +59,8 @@ static bool beep = false;
bool debug_mode = false;
static bool dpms = false;
bool unlock_indicator = true;
bool capslock_active = false;
bool numlock_active = false;
static bool dont_fork = false;
struct ev_loop *main_loop;
static struct ev_timer *clear_pam_wrong_timeout;
@ -277,6 +279,11 @@ static void input_done(void) {
if (debug_mode)
fprintf(stderr, "Authentication failure\n");
/* Get state of Caps and Num lock modifiers, to be displayed in
* STATE_PAM_WRONG state */
capslock_active = xkb_state_mod_name_is_active(xkb_state, XKB_MOD_NAME_CAPS, XKB_STATE_MODS_EFFECTIVE);
numlock_active = xkb_state_mod_name_is_active(xkb_state, XKB_MOD_NAME_NUM, XKB_STATE_MODS_EFFECTIVE);
pam_state = STATE_PAM_WRONG;
failed_attempts += 1;
clear_input();
@ -327,7 +334,7 @@ static void handle_key_press(xcb_key_press_event_t *event) {
bool composed = false;
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);
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));

28
unlock_indicator.c
View file

@ -9,6 +9,7 @@
#include <stdbool.h>
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <math.h>
#include <xcb/xcb.h>
#include <ev.h>
@ -44,6 +45,10 @@ extern uint32_t last_resolution[2];
/* Whether the unlock indicator is enabled (defaults to true). */
extern bool unlock_indicator;
/* Whether the capslock and numlock mods are active or not. */
extern bool capslock_active;
extern bool numlock_active;
/* A Cairo surface containing the specified image (-i), if any. */
extern cairo_surface_t *img;
@ -229,6 +234,29 @@ xcb_pixmap_t draw_image(uint32_t *resolution) {
cairo_close_path(ctx);
}
if (pam_state == STATE_PAM_WRONG && (capslock_active || numlock_active)) {
cairo_text_extents_t extents;
double x, y;
char *lock_text = NULL;
if (asprintf(&lock_text, "%s%s%s locked",
capslock_active ? "Caps" : "",
capslock_active && numlock_active ? ", " : "",
numlock_active ? "Num" : "") != -1) {
cairo_set_font_size(ctx, 14.0);
cairo_text_extents(ctx, lock_text, &extents);
x = BUTTON_CENTER - ((extents.width / 2) + extents.x_bearing);
y = BUTTON_CENTER - ((extents.height / 2) + extents.y_bearing) + 28.0;
cairo_move_to(ctx, x, y);
cairo_show_text(ctx, lock_text);
cairo_close_path(ctx);
free(lock_text);
}
}
/* After the user pressed any valid key or the backspace key, we
* highlight a random part of the unlock indicator to confirm this
* keypress. */