From ed82063af5f83530afa5cfb5bf5bd516f3d05f2a Mon Sep 17 00:00:00 2001
From: jacqueline <me@jacqueline.id.au>
Date: Wed, 10 Apr 2024 16:56:10 +1000
Subject: WIP decompose our giant LVGL driver into smaller classes

---
 src/input/input_touch_dpad.cpp | 35 +++++++++++++++++++++++++++++++++++
 1 file changed, 35 insertions(+)
 create mode 100644 src/input/input_touch_dpad.cpp

(limited to 'src/input/input_touch_dpad.cpp')

diff --git a/src/input/input_touch_dpad.cpp b/src/input/input_touch_dpad.cpp
new file mode 100644
index 00000000..a5774ef6
--- /dev/null
+++ b/src/input/input_touch_dpad.cpp
@@ -0,0 +1,35 @@
+/*
+ * Copyright 2024 jacqueline <me@jacqueline.id.au>
+ *
+ * SPDX-License-Identifier: GPL-3.0-only
+ */
+
+#include "input_touch_dpad.hpp"
+
+#include <cstdint>
+
+#include "hal/lv_hal_indev.h"
+
+#include "haptics.hpp"
+#include "input_device.hpp"
+#include "input_touch_dpad.hpp"
+#include "touchwheel.hpp"
+
+namespace input {
+
+static inline auto IsAngleWithin(int16_t wheel_angle,
+                                 int16_t target_angle,
+                                 int threshold) -> bool {
+  int16_t difference = (wheel_angle - target_angle + 127 + 255) % 255 - 127;
+  return difference <= threshold && difference >= -threshold;
+}
+
+TouchDPad::TouchDPad(drivers::TouchWheel& wheel) : wheel_(wheel) {}
+
+auto TouchDPad::read(lv_indev_data_t* data) -> void {
+  wheel_.Update();
+
+  // TODO: reimplement
+}
+
+}  // namespace input
-- 
cgit v1.2.3


From 33919e9e3f419e13318fa6b8217d8c8dcd86c1eb Mon Sep 17 00:00:00 2001
From: jacqueline <me@jacqueline.id.au>
Date: Thu, 11 Apr 2024 15:16:35 +1000
Subject: Migrate all existing control schemes to the cool new world

---
 src/input/input_touch_dpad.cpp | 42 +++++++++++++++++++++++++++++++++++++++++-
 1 file changed, 41 insertions(+), 1 deletion(-)

(limited to 'src/input/input_touch_dpad.cpp')

diff --git a/src/input/input_touch_dpad.cpp b/src/input/input_touch_dpad.cpp
index a5774ef6..828d6b59 100644
--- a/src/input/input_touch_dpad.cpp
+++ b/src/input/input_touch_dpad.cpp
@@ -10,6 +10,7 @@
 
 #include "hal/lv_hal_indev.h"
 
+#include "event_queue.hpp"
 #include "haptics.hpp"
 #include "input_device.hpp"
 #include "input_touch_dpad.hpp"
@@ -28,8 +29,47 @@ TouchDPad::TouchDPad(drivers::TouchWheel& wheel) : wheel_(wheel) {}
 
 auto TouchDPad::read(lv_indev_data_t* data) -> void {
   wheel_.Update();
+  auto wheel_data = wheel_.GetTouchWheelData();
 
-  // TODO: reimplement
+  if (wheel_data.is_button_touched) {
+    data->state = LV_INDEV_STATE_PRESSED;
+  } else {
+    data->state = LV_INDEV_STATE_RELEASED;
+  }
+
+  switch (up_.update(
+      wheel_data.is_wheel_touched &&
+      drivers::TouchWheel::isAngleWithin(wheel_data.wheel_position, 0, 32))) {
+    case Trigger::State::kNone:
+      break;
+    default:
+      data->enc_diff = -1;
+      break;
+  }
+  switch (right_.update(
+      wheel_data.is_wheel_touched &&
+      drivers::TouchWheel::isAngleWithin(wheel_data.wheel_position, 192, 32))) {
+    default:
+      break;
+  }
+  switch (down_.update(
+      wheel_data.is_wheel_touched &&
+      drivers::TouchWheel::isAngleWithin(wheel_data.wheel_position, 128, 32))) {
+    case Trigger::State::kNone:
+      break;
+    default:
+      data->enc_diff = 1;
+      break;
+  }
+  switch (left_.update(
+      wheel_data.is_wheel_touched &&
+      drivers::TouchWheel::isAngleWithin(wheel_data.wheel_position, 64, 32))) {
+    case Trigger::State::kLongPress:
+      events::Ui().Dispatch(ui::internal::BackPressed{});
+      break;
+    default:
+      break;
+  }
 }
 
 }  // namespace input
-- 
cgit v1.2.3