swaylock: clear password after 10 seconds

2 files changed, 22 insertions, 0 deletions

diff --git a/include/swaylock/swaylock.h b/include/swaylock/swaylock.h
index 792d34cf..ae042c4f 100644
--- a/include/swaylock/swaylock.h
+++ b/include/swaylock/swaylock.h
@@ -56,6 +56,7 @@ struct swaylock_password {
 struct swaylock_state {
         struct loop *eventloop;
         struct loop_event *clear_indicator_timer; // clears the indicator
+        struct loop_event *clear_password_timer;  // clears the password buffer
         struct wl_display *display;
         struct wl_compositor *compositor;
         struct zwlr_layer_shell_v1 *layer_shell;
diff --git a/swaylock/password.c b/swaylock/password.c
index fb610bf2..5ab50042 100644
--- a/swaylock/password.c
+++ b/swaylock/password.c
@@ -55,6 +55,23 @@ static void schedule_indicator_clear(struct swaylock_state *state) {
                         state->eventloop, 3000, clear_indicator, state);
 }
 
+static void clear_password(int fd, short mask, void *data) {
+        struct swaylock_state *state = data;
+        state->clear_password_timer = NULL;
+        state->auth_state = AUTH_STATE_CLEAR;
+        clear_password_buffer(&state->password);
+        damage_state(state);
+        schedule_indicator_clear(state);
+}
+
+static void schedule_password_clear(struct swaylock_state *state) {
+        if (state->clear_password_timer) {
+                loop_remove_event(state->eventloop, state->clear_password_timer);
+        }
+        state->clear_password_timer = loop_add_timer(
+                        state->eventloop, 10000, clear_password, state);
+}
+
 void swaylock_handle_key(struct swaylock_state *state,
                 xkb_keysym_t keysym, uint32_t codepoint) {
         switch (keysym) {
@@ -96,6 +113,7 @@ void swaylock_handle_key(struct swaylock_state *state,
                 }
                 damage_state(state);
                 schedule_indicator_clear(state);
+                schedule_password_clear(state);
                 break;
         case XKB_KEY_Escape:
                 clear_password_buffer(&state->password);
@@ -110,6 +128,7 @@ void swaylock_handle_key(struct swaylock_state *state,
                 state->auth_state = AUTH_STATE_INPUT_NOP;
                 damage_state(state);
                 schedule_indicator_clear(state);
+                schedule_password_clear(state);
                 break;
         case XKB_KEY_Shift_L:
         case XKB_KEY_Shift_R:
@@ -124,6 +143,7 @@ void swaylock_handle_key(struct swaylock_state *state,
                 state->auth_state = AUTH_STATE_INPUT_NOP;
                 damage_state(state);
                 schedule_indicator_clear(state);
+                schedule_password_clear(state);
                 break;
         case XKB_KEY_u:
                 if (state->xkb.control) {
@@ -140,6 +160,7 @@ void swaylock_handle_key(struct swaylock_state *state,
                         state->auth_state = AUTH_STATE_INPUT;
                         damage_state(state);
                         schedule_indicator_clear(state);
+                        schedule_password_clear(state);
                 }
                 break;
         }