makefile: s/README/README.md/

[i3/i3lock] / i3lock.c

diff --git a/i3lock.c b/i3lock.c
index d971f0d2432486c6b289a0041c670444d68c1468..5d90924d04da4d39db68900f2108661485cd1627 100644 (file)
--- a/i3lock.c
+++ b/i3lock.c
@@ -1,7 +1,7 @@
 /*
  * vim:ts=4:sw=4:expandtab
  *
- * © 2010-2013 Michael Stapelberg
+ * © 2010 Michael Stapelberg
  *
  * See LICENSE for licensing information
  *
@@ -59,6 +59,7 @@ static bool beep = false;
 bool debug_mode = false;
 static bool dpms = false;
 bool unlock_indicator = true;
+char *modifier_string = NULL;
 static bool dont_fork = false;
 struct ev_loop *main_loop;
 static struct ev_timer *clear_pam_wrong_timeout;
@@ -217,6 +218,12 @@ static void clear_pam_wrong(EV_P_ ev_timer *w, int revents) {
     unlock_state = STATE_STARTED;
     redraw_screen();
 
+    /* Clear modifier string. */
+    if (modifier_string != NULL) {
+        free(modifier_string);
+        modifier_string = NULL;
+    }
+
     /* Now free this timeout. */
     STOP_TIMER(clear_pam_wrong_timeout);
 }
@@ -233,10 +240,12 @@ static void clear_input(void) {
 
     /* 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;
+    if (unlock_indicator) {
+        START_TIMER(clear_indicator_timeout, 1.0, clear_indicator_cb);
+        unlock_state = STATE_BACKSPACE_ACTIVE;
+        redraw_screen();
+        unlock_state = STATE_KEY_PRESSED;
+    }
 }
 
 static void turn_off_monitors_cb(EV_P_ ev_timer *w, int revents) {
@@ -277,10 +286,46 @@ 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 */
+    xkb_mod_index_t idx, num_mods;
+    const char *mod_name;
+
+    num_mods = xkb_keymap_num_mods(xkb_keymap);
+
+    for (idx = 0; idx < num_mods; idx++) {
+        if (!xkb_state_mod_index_is_active(xkb_state, idx, XKB_STATE_MODS_EFFECTIVE))
+            continue;
+
+        mod_name = xkb_keymap_mod_get_name(xkb_keymap, idx);
+        if (mod_name == NULL)
+            continue;
+
+        /* Replace certain xkb names with nicer, human-readable ones. */
+        if (strcmp(mod_name, XKB_MOD_NAME_CAPS) == 0)
+            mod_name = "Caps Lock";
+        else if (strcmp(mod_name, XKB_MOD_NAME_ALT) == 0)
+            mod_name = "Alt";
+        else if (strcmp(mod_name, XKB_MOD_NAME_NUM) == 0)
+            mod_name = "Num Lock";
+        else if (strcmp(mod_name, XKB_MOD_NAME_LOGO) == 0)
+            mod_name = "Win";
+
+        char *tmp;
+        if (modifier_string == NULL) {
+            if (asprintf(&tmp, "%s", mod_name) != -1)
+                modifier_string = tmp;
+        } else if (asprintf(&tmp, "%s, %s", modifier_string, mod_name) != -1) {
+            free(modifier_string);
+            modifier_string = tmp;
+        }
+    }
+
     pam_state = STATE_PAM_WRONG;
     failed_attempts += 1;
     clear_input();
-    redraw_screen();
+    if (unlock_indicator)
+        redraw_screen();
 
     /* Clear this state after 2 seconds (unless the user enters another
      * password during that time). */
@@ -327,7 +372,7 @@ 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));
@@ -428,13 +473,16 @@ static void handle_key_press(xcb_key_press_event_t *event) {
     input_position += n - 1;
     DEBUG("current password = %.*s\n", input_position, password);
 
-    unlock_state = STATE_KEY_ACTIVE;
-    redraw_screen();
-    unlock_state = STATE_KEY_PRESSED;
+    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);
+    }
 
-    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);
 }
 
@@ -751,7 +799,7 @@ int main(int argc, char *argv[]) {
     while ((o = getopt_long(argc, argv, optstring, longopts, &optind)) != -1) {
         switch (o) {
             case 'v':
-                errx(EXIT_SUCCESS, "version " VERSION " © 2010-2012 Michael Stapelberg");
+                errx(EXIT_SUCCESS, "version " VERSION " © 2010 Michael Stapelberg");
             case 'n':
                 dont_fork = true;
                 break;