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examples/companion_radio/ui-new/UITask.cpp

@@ -1267,8 +1267,7 @@ void UITask::loop() {
 #if FEAT_DISPLAY_ROTATION_SETTING && defined(JOYSTICK_UPRIGHT_ROTATION)
   if (_node_prefs) joy_rot += (JOYSTICK_UPRIGHT_ROTATION - _node_prefs->display_rotation) & 3;
 #endif
-  int ev = user_btn.check();
-  if (ev == BUTTON_EVENT_CLICK) {
+  auto enterClick = [&]() {
     if (back_btn.isPressed() && !_unlock_kb) {
       // Enter clicked while Back is held — lock/unlock sequence
       if (_display && !_display->isOn()) {
@@ -1292,6 +1291,25 @@ void UITask::loop() {
         _lock_seq_ms = 0;
       }
       enqueueKey(checkDisplayOn(KEY_ENTER));
+    };
+    int ev = user_btn.check();
+  #ifdef UI_ENTER_DOUBLE_BACK
+    // For a joystick without a reachable Back button: a double click on Enter goes
+    // back. Multi-click delays a single Enter by the click window. Where text is
+    // typed (on-screen keyboard, PIN pad) or the lock sequence is counting, a
+    // double is just two Enters, so a repeated letter still works.
+    if (ev == BUTTON_EVENT_DOUBLE_CLICK || ev == BUTTON_EVENT_TRIPLE_CLICK) {
+      int n = (ev == BUTTON_EVENT_DOUBLE_CLICK) ? 2 : 3;
+      if (_unlock_kb || _kb.isVisible() || back_btn.isPressed()) {
+        for (int i = 0; i < n; i++) enterClick();
+      } else {
+        enqueueKey(checkDisplayOn(KEY_CANCEL));
+      }
+      ev = BUTTON_EVENT_NONE;
+    }
+  #endif
+    if (ev == BUTTON_EVENT_CLICK) {
+      enterClick();
     }
   } else if (ev == BUTTON_EVENT_LONG_PRESS) {
     enqueueKey(handleLongPress(KEY_ENTER));  // REVISIT: could be mapped to different key code