Add Calculator screen as new App

A calculator based on the Shunting-yard algorithm as described
here: https://en.wikipedia.org/wiki/Shunting-yard_algorithm

Moving the Motion App into the Settings screen to use the tile in the
ApplicationList for the Calculator.

1 files changed, 37 insertions, 0 deletions

diff --git a/src/displayapp/screens/Calculator.h b/src/displayapp/screens/Calculator.h
new file mode 100644
index 0000000..25c4456
--- /dev/null
+++ b/src/displayapp/screens/Calculator.h
@@ -0,0 +1,37 @@
+
+#pragma once
+
+
+#include "Screen.h"
+#include "components/motor/MotorController.h"
+#include <array>
+#include <string>
+
+namespace Pinetime {
+  namespace Applications {
+    namespace Screens {
+
+      class Calculator : public Screen {
+      public:
+        ~Calculator() override;
+
+        Calculator(DisplayApp* app, Controllers::MotorController& motorController);
+
+        void OnButtonEvent(lv_obj_t* obj, lv_event_t event);
+
+        bool OnTouchEvent(Pinetime::Applications::TouchEvents event) override;
+
+      private:
+        lv_obj_t *result, *returnButton, *buttonMatrix;
+
+        char text[31];
+        uint8_t position = 0;
+
+        void eval();
+
+        Controllers::MotorController& motorController;
+      };
+
+    }
+  }
+}