Renamed displayapp/Screens to displayapp/screens

src/displayapp/screens/Screen.h

@@ -0,0 +1,30 @@
+#pragma once
+
+#include <cstdint>
+#include "../TouchEvents.h"
+
+namespace Pinetime {
+  namespace Applications {
+    class DisplayApp;
+    namespace Screens {
+      class Screen {
+        public:
+          Screen(DisplayApp* app) : app{app} {}
+          virtual ~Screen() = default;
+
+          // Return false if the app can be closed, true if it must continue to run
+          virtual bool Refresh() = 0;
+
+          // Return false if the button hasn't been handled by the app, true if it has been handled
+          virtual bool OnButtonPushed() { return false; }
+
+          // Return false if the event hasn't been handled by the app, true if it has been handled
+          virtual bool OnTouchEvent(TouchEvents event) { return false; }
+          virtual bool OnTouchEvent(uint16_t x, uint16_t y) { return false; }
+
+        protected:
+          DisplayApp* app;
+      };
+    }
+  }
+}