From 09f129662e41108fd86255c02623a38e07cbbb27 Mon Sep 17 00:00:00 2001
From: jacqueline <me@jacqueline.id.au>
Date: Tue, 3 Oct 2023 14:33:36 +1100
Subject: Add scroll velocity + more input methods

---
 src/ui/include/encoder_input.hpp | 39 +++++++++++++++++++++++++++++++++++++++
 1 file changed, 39 insertions(+)

(limited to 'src/ui/include/encoder_input.hpp')

diff --git a/src/ui/include/encoder_input.hpp b/src/ui/include/encoder_input.hpp
index 9c114e80..e685a7a2 100644
--- a/src/ui/include/encoder_input.hpp
+++ b/src/ui/include/encoder_input.hpp
@@ -6,17 +6,22 @@
 
 #pragma once
 
+#include <stdint.h>
+#include <deque>
 #include <memory>
 
 #include "core/lv_group.h"
 #include "gpios.hpp"
 #include "hal/lv_hal_indev.h"
 
+#include "nvs.hpp"
 #include "relative_wheel.hpp"
 #include "touchwheel.hpp"
 
 namespace ui {
 
+class Scroller;
+
 /*
  * Main input device abstracting that handles turning lower-level input device
  * drivers into events and LVGL inputs.
@@ -31,6 +36,7 @@ class EncoderInput {
   auto Read(lv_indev_data_t* data) -> void;
   auto registration() -> lv_indev_t* { return registration_; }
 
+  auto mode(drivers::NvsStorage::InputModes mode) { mode_ = mode; }
   auto lock(bool l) -> void { is_locked_ = l; }
 
  private:
@@ -40,8 +46,41 @@ class EncoderInput {
   drivers::IGpios& gpios_;
   drivers::TouchWheel& raw_wheel_;
   std::unique_ptr<drivers::RelativeWheel> relative_wheel_;
+  std::unique_ptr<Scroller> scroller_;
 
+  drivers::NvsStorage::InputModes mode_;
   bool is_locked_;
+
+  enum class Keys {
+    kVolumeUp,
+    kVolumeDown,
+    kTouchWheel,
+    kTouchWheelCenter,
+    kDirectionalUp,
+    kDirectionalRight,
+    kDirectionalDown,
+    kDirectionalLeft,
+  };
+
+  std::unordered_map<Keys, uint64_t> touch_time_ms_;
+  std::unordered_map<Keys, bool> short_press_fired_;
+  std::unordered_map<Keys, bool> long_press_fired_;
+
+  auto HandleKey(Keys key, uint64_t ms, bool clicked) -> void;
+  auto ShortPressTrigger(Keys key) -> bool;
+  auto ShortPressTriggerRepeating(Keys key, uint64_t ms) -> bool;
+  auto LongPressTrigger(Keys key, uint64_t ms) -> bool;
+};
+
+class Scroller {
+ public:
+  Scroller() : last_input_ms_(0), velocity_(0) {}
+
+  auto AddInput(uint64_t, int) -> int;
+
+ private:
+  uint64_t last_input_ms_;
+  int velocity_;
 };
 
 }  // namespace ui
-- 
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