Dragging and selecting works. Dragging the selection not yet.

src/state.h

@@ -1,6 +1,7 @@
 #pragma once
 
 #include "interaction-event.h"
+#include "nlohmann/json.hpp"
 #include "raylib.h"
 #include "vmath.h"
 #include <memory>
@@ -78,12 +79,21 @@ namespace VISEQ::APP{
 
 			Vec2Df mouse_delta; 
 
-			Vec2Df hover_position;
+			Vec2Df selection_origin;
 			
 			void pushEvent(InteractionEvent e){
-				event_queue.push(e);
+				event_queue.push_back(e);
 			}
 
+			InteractionEvent pullEvent(){
+				if(!event_queue.empty()){
+					InteractionEvent e = event_queue.front();
+					event_queue.pop_front();
+					return e;
+				}
+				return {nullptr, Interaction::NONE};
+			}
+	
 			void update(Camera2D camera){
 
 				if(istate != old_istate) std::cout << state_string[istate] << std::endl;