touchhandler: Remove LVGL dependency

Move LVGL specific code to the LittleVgl class

Author: Riksu9000

src/displayapp/DisplayApp.cpp

@@ -222,6 +222,7 @@ void DisplayApp::Refresh() {
         if (state != States::Running) {
           break;
         }
+        lvgl.SetNewTouchPoint(touchHandler.GetX(), touchHandler.GetY(), touchHandler.IsTouching());
         auto gesture = touchHandler.GestureGet();
         if (gesture == TouchEvents::None) {
           break;
@@ -261,7 +262,7 @@ void DisplayApp::Refresh() {
             LoadPreviousScreen();
           }
         } else {
-          touchHandler.CancelTap();
+          lvgl.CancelTap();
         }
       } break;
       case Messages::ButtonPushed:
@@ -339,7 +340,7 @@ void DisplayApp::LoadNewScreen(Apps app, DisplayApp::FullRefreshDirections direc
 }
 
 void DisplayApp::LoadScreen(Apps app, DisplayApp::FullRefreshDirections direction) {
-  touchHandler.CancelTap();
+  lvgl.CancelTap();
   ApplyBrightness();
 
   currentScreen.reset(nullptr);

src/displayapp/LittleVgl.cpp

@@ -179,15 +179,34 @@ void LittleVgl::FlushDisplay(const lv_area_t* area, lv_color_t* color_p) {
   lv_disp_flush_ready(&disp_drv);
 }
 
-void LittleVgl::SetNewTouchPoint(uint16_t x, uint16_t y, bool contact) {
-  tap_x = x;
-  tap_y = y;
-  tapped = contact;
+void LittleVgl::SetNewTouchPoint(int16_t x, int16_t y, bool contact) {
+  if (contact) {
+    if (!isCancelled) {
+      touchPoint = {x, y};
+      tapped = true;
+    }
+  } else {
+    if (isCancelled) {
+      touchPoint = {-1, -1};
+      tapped = false;
+      isCancelled = false;
+    } else {
+      touchPoint = {x, y};
+      tapped = false;
+    }
+  }
+}
+
+void LittleVgl::CancelTap() {
+  if (tapped) {
+    isCancelled = true;
+    touchPoint = {-1, -1};
+  }
 }
 
 bool LittleVgl::GetTouchPadInfo(lv_indev_data_t* ptr) {
-  ptr->point.x = tap_x;
-  ptr->point.y = tap_y;
+  ptr->point.x = touchPoint.x;
+  ptr->point.y = touchPoint.y;
   if (tapped) {
     ptr->state = LV_INDEV_STATE_PR;
   } else {

src/displayapp/LittleVgl.h

@@ -23,7 +23,8 @@ namespace Pinetime {
       void FlushDisplay(const lv_area_t* area, lv_color_t* color_p);
       bool GetTouchPadInfo(lv_indev_data_t* ptr);
       void SetFullRefresh(FullRefreshDirections direction);
-      void SetNewTouchPoint(uint16_t x, uint16_t y, bool contact);
+      void SetNewTouchPoint(int16_t x, int16_t y, bool contact);
+      void CancelTap();
 
       bool GetFullRefresh() {
         bool returnValue = fullRefresh;
@@ -58,9 +59,9 @@ namespace Pinetime {
       uint16_t writeOffset = 0;
       uint16_t scrollOffset = 0;
 
-      uint16_t tap_x = 0;
-      uint16_t tap_y = 0;
+      lv_point_t touchPoint = {0};
       bool tapped = false;
+      bool isCancelled = false;
     };
   }
 }

src/main.cpp

@@ -111,7 +111,7 @@ Pinetime::Controllers::NotificationManager notificationManager;
 Pinetime::Controllers::MotionController motionController;
 Pinetime::Controllers::TimerController timerController;
 Pinetime::Controllers::AlarmController alarmController {dateTimeController};
-Pinetime::Controllers::TouchHandler touchHandler(touchPanel, lvgl);
+Pinetime::Controllers::TouchHandler touchHandler(touchPanel);
 Pinetime::Controllers::ButtonHandler buttonHandler;
 Pinetime::Controllers::BrightnessController brightnessController {};
 

src/systemtask/SystemTask.cpp

@@ -343,10 +343,9 @@ void SystemTask::Work() {
           break;
         case Messages::OnTouchEvent:
           if (touchHandler.GetNewTouchInfo()) {
-            touchHandler.UpdateLvglTouchPoint();
+            ReloadIdleTimer();
+            displayApp.PushMessage(Pinetime::Applications::Display::Messages::TouchEvent);
           }
-          ReloadIdleTimer();
-          displayApp.PushMessage(Pinetime::Applications::Display::Messages::TouchEvent);
           break;
         case Messages::HandleButtonEvent: {
           Controllers::ButtonActions action = Controllers::ButtonActions::None;

src/touchhandler/TouchHandler.cpp

@@ -1,9 +1,4 @@
 #include "touchhandler/TouchHandler.h"
-#ifdef PINETIME_IS_RECOVERY
-  #include "displayapp/DummyLittleVgl.h"
-#else
-  #include "displayapp/LittleVgl.h"
-#endif
 
 using namespace Pinetime::Controllers;
 using namespace Pinetime::Applications;
@@ -32,14 +27,7 @@ namespace {
   }
 }
 
-TouchHandler::TouchHandler(Drivers::Cst816S& touchPanel, Components::LittleVgl& lvgl) : touchPanel {touchPanel}, lvgl {lvgl} {
-}
-
-void TouchHandler::CancelTap() {
-  if (info.touching) {
-    isCancelled = true;
-    lvgl.SetNewTouchPoint(-1, -1, true);
-  }
+TouchHandler::TouchHandler(Drivers::Cst816S& touchPanel) : touchPanel {touchPanel} {
 }
 
 Pinetime::Applications::TouchEvents TouchHandler::GestureGet() {
@@ -55,6 +43,7 @@ bool TouchHandler::GetNewTouchInfo() {
     return false;
   }
 
+  // Only a single gesture per touch
   if (info.gesture != Pinetime::Drivers::Cst816S::Gestures::None) {
     if (gestureReleased) {
       if (info.gesture == Pinetime::Drivers::Cst816S::Gestures::SlideDown ||
@@ -78,18 +67,3 @@ bool TouchHandler::GetNewTouchInfo() {
 
   return true;
 }
-
-void TouchHandler::UpdateLvglTouchPoint() {
-  if (info.touching) {
-    if (!isCancelled) {
-      lvgl.SetNewTouchPoint(info.x, info.y, true);
-    }
-  } else {
-    if (isCancelled) {
-      lvgl.SetNewTouchPoint(-1, -1, false);
-      isCancelled = false;
-    } else {
-      lvgl.SetNewTouchPoint(info.x, info.y, false);
-    }
-  }
-}

src/touchhandler/TouchHandler.h

@@ -3,21 +3,16 @@
 #include "displayapp/TouchEvents.h"
 
 namespace Pinetime {
-  namespace Components {
-    class LittleVgl;
-  }
-
   namespace Drivers {
     class Cst816S;
   }
 
   namespace Controllers {
     class TouchHandler {
     public:
-      explicit TouchHandler(Drivers::Cst816S&, Components::LittleVgl&);
-      void CancelTap();
+      explicit TouchHandler(Drivers::Cst816S&);
+
       bool GetNewTouchInfo();
-      void UpdateLvglTouchPoint();
 
       bool IsTouching() const {
         return info.touching;
@@ -36,7 +31,6 @@ namespace Pinetime {
     private:
       Pinetime::Drivers::Cst816S::TouchInfos info;
       Pinetime::Drivers::Cst816S& touchPanel;
-      Pinetime::Components::LittleVgl& lvgl;
       Pinetime::Applications::TouchEvents gesture;
       bool isCancelled = false;
       bool gestureReleased = true;