1 files changed, 44 insertions, 0 deletions
diff --git a/src/input/input_nav_buttons.cpp b/src/input/input_nav_buttons.cpp
new file mode 100644
index 00000000..d83568c8
--- /dev/null
+++ b/src/input/input_nav_buttons.cpp
@@ -0,0 +1,44 @@
+/*
+ * Copyright 2024 jacqueline <me@jacqueline.id.au>
+ *
+ * SPDX-License-Identifier: GPL-3.0-only
+ */
+
+#include "input_nav_buttons.hpp"
+
+#include "event_queue.hpp"
+#include "gpios.hpp"
+#include "hal/lv_hal_indev.h"
+
+namespace input {
+
+NavButtons::NavButtons(drivers::IGpios& gpios) : gpios_(gpios) {}
+
+auto NavButtons::read(lv_indev_data_t* data) -> void {
+  bool vol_up = gpios_.Get(drivers::IGpios::Pin::kKeyUp);
+  switch (up_.update(!vol_up)) {
+    case Trigger::State::kClick:
+      data->enc_diff = -1;
+      break;
+    case Trigger::State::kLongPress:
+      events::Ui().Dispatch(ui::internal::BackPressed{});
+      break;
+    default:
+      break;
+  }
+
+  bool vol_down = gpios_.Get(drivers::IGpios::Pin::kKeyDown);
+  switch (down_.update(!vol_down)) {
+    case Trigger::State::kClick:
+      data->enc_diff = 1;
+      break;
+    case Trigger::State::kLongPress:
+      data->state = LV_INDEV_STATE_PRESSED;
+      break;
+    default:
+      data->state = LV_INDEV_STATE_RELEASED;
+      break;
+  }
+}
+
+}  // namespace input