WIP merge cyclically dependent components into one big component

1 files changed, 42 insertions, 0 deletions

diff --git a/src/tangara/input/input_trigger.hpp b/src/tangara/input/input_trigger.hpp
new file mode 100644
index 00000000..bcafa8ad
--- /dev/null
+++ b/src/tangara/input/input_trigger.hpp
@@ -0,0 +1,42 @@
+/*
+ * Copyright 2024 jacqueline <me@jacqueline.id.au>
+ *
+ * SPDX-License-Identifier: GPL-3.0-only
+ */
+
+#pragma once
+
+#include <cstdint>
+#include <optional>
+
+#include "hal/lv_hal_indev.h"
+
+namespace input {
+
+const uint16_t kDoubleClickDelayMs = 500;
+const uint16_t kLongPressDelayMs = LV_INDEV_DEF_LONG_PRESS_TIME;
+const uint16_t kRepeatDelayMs = LV_INDEV_DEF_LONG_PRESS_REP_TIME;
+
+class Trigger {
+ public:
+  enum class State {
+    kNone,
+    kClick,
+    kDoubleClick,
+    kLongPress,
+    kRepeatPress,
+  };
+
+  Trigger();
+
+  auto update(bool is_pressed) -> State;
+
+ private:
+  std::optional<uint64_t> touch_time_ms_;
+  bool was_pressed_;
+
+  bool was_double_click_;
+  uint16_t times_long_pressed_;
+};
+
+}  // namespace input