diff --git a/ui.cpp b/ui.cpp
index bd0fcae..65f4028 100644
--- a/ui.cpp
+++ b/ui.cpp
@@ -45,7 +45,8 @@
 
 RecoveryUI::RecoveryUI() :
     key_queue_len(0),
-    key_last_down(-1) {
+    key_last_down(-1),
+    key_down_time(0) {
     pthread_mutex_init(&key_queue_mutex, NULL);
     pthread_cond_init(&key_queue_cond, NULL);
     self = this;
@@ -109,19 +110,29 @@
 // updown == 1 for key down events; 0 for key up events
 void RecoveryUI::process_key(int key_code, int updown) {
     bool register_key = false;
+    bool long_press = false;
+
+    const long long_threshold = CLOCKS_PER_SEC * 750 / 1000;
 
     pthread_mutex_lock(&key_queue_mutex);
     key_pressed[key_code] = updown;
     if (updown) {
         key_last_down = key_code;
+        key_down_time = clock();
     } else {
-        if (key_last_down == key_code)
+        if (key_last_down == key_code) {
+            long duration = clock() - key_down_time;
+            if (duration > long_threshold) {
+                long_press = true;
+            }
             register_key = true;
+        }
         key_last_down = -1;
     }
     pthread_mutex_unlock(&key_queue_mutex);
 
     if (register_key) {
+        NextCheckKeyIsLong(long_press);
         switch (CheckKey(key_code)) {
           case RecoveryUI::IGNORE:
             break;
@@ -135,18 +146,23 @@
             break;
 
           case RecoveryUI::ENQUEUE:
-            pthread_mutex_lock(&key_queue_mutex);
-            const int queue_max = sizeof(key_queue) / sizeof(key_queue[0]);
-            if (key_queue_len < queue_max) {
-                key_queue[key_queue_len++] = key_code;
-                pthread_cond_signal(&key_queue_cond);
-            }
-            pthread_mutex_unlock(&key_queue_mutex);
+            EnqueueKey(key_code);
             break;
         }
     }
 }
 
+void RecoveryUI::EnqueueKey(int key_code) {
+    pthread_mutex_lock(&key_queue_mutex);
+    const int queue_max = sizeof(key_queue) / sizeof(key_queue[0]);
+    if (key_queue_len < queue_max) {
+        key_queue[key_queue_len++] = key_code;
+        pthread_cond_signal(&key_queue_cond);
+    }
+    pthread_mutex_unlock(&key_queue_mutex);
+}
+
+
 // Reads input events, handles special hot keys, and adds to the key queue.
 void* RecoveryUI::input_thread(void *cookie)
 {
@@ -223,3 +239,6 @@
 RecoveryUI::KeyAction RecoveryUI::CheckKey(int key) {
     return RecoveryUI::ENQUEUE;
 }
+
+void RecoveryUI::NextCheckKeyIsLong(bool is_long_press) {
+}