Super simple events added. Seems to be a good way for handling interaction. Modified a few base classes.

src/app-manager.h

@@ -56,10 +56,40 @@ namespace VISEQ::APP {
 				gm.removeNodesAndEdges(nodes);
 			}
 			
+			void doInteraction(){	
+				while(event_queue.size() > 0){
+					auto e = event_queue.front();
+					std::cout << e.action << " " << e.item->z_index << std::endl;
+					
+					if(e.item->getType() == GraphItemType::NODE || e.item->getType() == GraphItemType::CONNECTOR) {
+						switch(e.action){
+							case VISEQ::APP::Interaction::PICKUP:
+							{
+								e.item->pickUp();
+								break;
+							}
+							case VISEQ::APP::Interaction::DRAG:
+							{
+								e.item->drag();
+								break;
+							}
+							case VISEQ::APP::Interaction::PUTDOWN:
+							{
+								e.item->putDown();
+								break;
+							}
+						}	
+					}
+
+					event_queue.pop();
+				}
+			}
+
 			void update(){
 				mutex.lock();
 				updateMidiPorts();
 				mutex.unlock();
+				doInteraction();
 				mouse.update();
 
 				if(KEYS_DOWN.ctrl && IsKeyPressed(KEY_C)){

src/canvas.h

@@ -1,6 +1,7 @@
 #pragma once
 
 
+#include "datatypes.h"
 #include "state.h"
 #include "draggable.h"
 #include "raylib.h"
@@ -33,6 +34,10 @@ namespace VISEQ::APP::CANVAS {
 				EndMode2D();
 			}
 
+			GRAPH::GraphItemType getType() override {
+				return GRAPH::GraphItemType::CANVAS;
+			}
+
 			void makeSelection(){
 				if(MOUSE_LEFT.clicked){
 					state->selection = (Rectangle){0,0,0,0};

src/connectable.h

@@ -23,15 +23,6 @@ namespace VISEQ::BASE {
 				DrawLineV(position, MOD_MOUSE, (Color){229, 181, 103, 255});
 			}
 			
-			void update() override{
-				if(STATE != IState::DRAG_NODE){
-					Draggable::update();
-					if(pickedUp()) drag();
-					if(released()) putDown();
-	//				is_hovering = hovering();
-				}
-			}
-
 			void putDown() override {
 				connect();
 				Draggable::putDown();

src/connector.h

@@ -1,7 +1,9 @@
 #pragma once
 
 #include "connectable.h"
+#include "datatypes.h"
 #include "graph-item.h"
+#include "moveable.h"
 #include "raymath.h"
 #include "state.h"
 #include "vmath.h"
@@ -9,7 +11,7 @@
 namespace VISEQ::GRAPH {
 	class Connector : public BASE::Connectable, public GraphItem{
 		public:
-			using GraphItem::state;
+			using BASE::Movable::state;
 
 			Connector() {}
 			Connector(std::shared_ptr<GraphItem> parent, Vec2Df center_position, float orbit) : orbit(orbit) {
@@ -17,6 +19,10 @@ namespace VISEQ::GRAPH {
 				setParent(parent);
 			}
 			
+			GraphItemType getType() override{
+				return GraphItemType::CONNECTOR;
+			}
+
 			std::shared_ptr<GraphItem> parent;
 		
 			bool hover_connect = false;
@@ -25,8 +31,12 @@ namespace VISEQ::GRAPH {
 			float orbit = 14.0f;
 			Vec2Df center_position;
 			
+			std::shared_ptr<Connectable> getPtr(){
+				return std::static_pointer_cast<Connector>(shared_from_this());
+			}
+
 			virtual bool hovering() override {
-				return STATE != IState::DRAW_SELECTION && CheckCollisionPointCircle(SCREEN_MOUSE, position, radius);
+				return CheckCollisionPointCircle(SCREEN_MOUSE, position, radius);
 			}
 
 			void setParent(std::shared_ptr<GraphItem> _parent){
@@ -40,7 +50,9 @@ namespace VISEQ::GRAPH {
 			}
 
 			void update() override {
-				BASE::Connectable::update();
+				if(hovering() && clicked()) state->pushEvent({getPtr(), APP::Interaction::PICKUP});
+				if(pickedUp()) state->pushEvent({getPtr(), APP::Interaction::DRAG});
+				if(picked_up && released()) state->pushEvent({getPtr(), APP::Interaction::PUTDOWN});
 			}
 
 			void draw() override {

src/datatypes.h

@@ -33,7 +33,7 @@ namespace VISEQ::GRAPH::NODES {
 
 
 namespace VISEQ::GRAPH{
-	enum GraphItemType {NODE, EDGE};
+	enum GraphItemType {NODE, EDGE, CONNECTOR, CANVAS};
 	enum NodeType {OSCNODE, MIDINODE, CONFIGNODE};
 	enum EdgeType {MIDIEDGE, CONFIGEDGE};
 }

src/draggable.h

@@ -14,6 +14,8 @@ namespace VISEQ::BASE {
 			Draggable(Vec2Df p) : Movable(p, 960.0f) {}
 			virtual ~Draggable() {}
 
+			std::shared_ptr<APP::State> state = APP::State::get();
+
 			Vec2Df drag_offset;
 
 			bool picked_up = false;
@@ -27,14 +29,15 @@ namespace VISEQ::BASE {
 			}
 
 			virtual bool pickedUp() {
-				if(clicked() && held() && (STATE == IState::HOVER_NODE || STATE == IState::DRAG_NODE)) {
+				return held() && picked_up;
-					picked_up = true;
-					drag_offset = position - SCREEN_MOUSE; 
-				}
-				return picked_up;
 			}
 			
-			virtual void drag() {
+			virtual void pickUp() override {
+					picked_up = true;
+					drag_offset = position - SCREEN_MOUSE; 
+			}
+
+			virtual void drag() override {
 				if(KEYS_PRESSED.ctrl){
 					selection_offset = position - state->hover_position;
 				}
@@ -45,7 +48,7 @@ namespace VISEQ::BASE {
 				}
 			}
 
-			virtual void putDown(){
+			virtual void putDown() override {
 				picked_up = false;
 			}
 
@@ -54,32 +57,5 @@ namespace VISEQ::BASE {
 				if(MOUSE_LEFT.released) selected = (KEYS_DOWN.shift && selected) || in_selection_rect;
 			}
 
-			virtual void update() override {
-				if(STATE != IState::HOVER_NODE) select();
-				if((pickedUp() || hovering()) && z_hovering == -1) z_hovering = z_index;
-
-				if(z_index == z_hovering || selected){
-					if(pickedUp()){
-						drag();
-						STATE = IState::DRAG_NODE;
-					}
-				}
-				if(STATE != IState::DRAG_NODE){
-					if(entered()){
-						STATE = IState::HOVER_NODE;
-						std::cout << "z_index=" << z_index << " z_hovering=" << z_hovering << std::endl;
-						is_hovering = true;
-					}
-					if(exited()){
-						STATE = IState::HOVER_CANVAS;
-						is_hovering = false;
-					}
-				}
-				if(released() && picked_up){
-					putDown();
-					STATE = IState::HOVER_CANVAS;
-					if(hovering()) STATE = IState::HOVER_NODE;
-				}
-			}
 	};
 }

src/graph-item.h

@@ -1,8 +1,8 @@
 #pragma once
 
-#include "state.h"
 #include "raylib.h"
 #include "datatypes.h"
+#include "vmath.h"
 #include <memory>
 
 namespace VISEQ::GRAPH {
@@ -12,11 +12,11 @@ namespace VISEQ::GRAPH {
 			GraphItem() {newId(-1);}
 			GraphItem(const GraphItem& G) {
 				newId(-1);
-				graphItemType = G.graphItemType;
+				gItemType = G.gItemType;
 			}
-			GraphItemType graphItemType;
 
-			std::shared_ptr<APP::State> state = APP::State::get();
+			GraphItemType gItemType;
+
 
 			int id = 0;
 
@@ -33,7 +33,7 @@ namespace VISEQ::GRAPH {
 			
 			virtual void draw() {};
 			virtual void draw(Vec2Df mouse, Camera2D cam) {};
-			virtual GraphItemType getType() {return graphItemType;}
+			virtual GraphItemType getType() {return gItemType;}
 			virtual ~GraphItem() = default;
 
 	};

src/interactable.h

@@ -1,5 +1,6 @@
 #pragma once
 
+#include "datatypes.h"
 #include "raylib.h"
 namespace VISEQ::BASE {
 
@@ -33,6 +34,10 @@ namespace VISEQ::BASE {
 			virtual bool released() {
 				return IsMouseButtonReleased(MOUSE_BUTTON_LEFT);
 		}
+			virtual GRAPH::GraphItemType getType() = 0;
+			virtual void pickUp() = 0;
+			virtual void drag() = 0;
+			virtual void putDown() = 0;
 	};
 
 }

src/interaction-event.h

@@ -0,0 +1,16 @@
+#pragma once
+
+#include "interactable.h"
+#include <memory>
+#include <queue>
+namespace VISEQ::APP{
+
+	enum Interaction {HOVER, CLICK, HOLD, RELEASE, PICKUP, DRAG, PUTDOWN};
+	
+	struct InteractionEvent{
+		std::shared_ptr<BASE::Interactable> item;
+		Interaction action;
+	};
+
+	inline static std::queue<VISEQ::APP::InteractionEvent> event_queue;
+}

src/midi-node.h

@@ -1,7 +1,6 @@
 #pragma once
 
 #include "datatypes.h"
-#include "graph-item.h"
 #include "node.h"
 #include "raymath.h"
 #include <map>
@@ -13,7 +12,6 @@ namespace VISEQ::GRAPH::NODES {
 	class MidiNode : public Node{
 	
 		public:
-		using GraphItem::state;
 
 		struct NodeMidiOut{
 			int i;
@@ -89,7 +87,7 @@ namespace VISEQ::GRAPH::NODES {
 			float wheel = GetMouseWheelMove();
 
 			if(KEYS_DOWN.ctrl && !KEYS_DOWN.alt){
-				switch(GraphItem::state->node_mode){
+				switch(state->node_mode){
 					case 0:{
 						midi_note += wheel;
 					break;}
@@ -114,7 +112,7 @@ namespace VISEQ::GRAPH::NODES {
 				if(midi_velocity < 0 ) midi_velocity = 127;
 				if(midi_velocity > 127 ) midi_velocity = 0; 
 			} else if(KEYS_DOWN.alt) {
-				switch(GraphItem::state->node_mode){
+				switch(state->node_mode){
 					case 0:{
 						float incr = (float)wheel * (KEYS_DOWN.shift ? 100.0f : KEYS_DOWN.ctrl ? 1000.0f : 10.0f);
 						midi_gate += incr;

src/mouse.h

@@ -2,6 +2,7 @@
 
 #include "draggable.h"
 #include "graph-manager.h"
+#include "interaction-event.h"
 #include <memory>
 namespace VISEQ::APP {
 	class Mouse {
@@ -12,11 +13,53 @@ namespace VISEQ::APP {
 			GraphManager *gm;
 
 			void update(){
-				auto hovering_nodes = gm->nodes | RANGE_FILTER([](SPTR_Node n) { return n->is_hovering;}) | std::ranges::to<std::vector<std::shared_ptr<BASE::Draggable>>>();
+				auto hovering_nodes = gm->nodes | RANGE_FILTER([](SPTR_Node n) { return n->hovering() || n->picked_up;}) | std::ranges::to<std::vector<std::shared_ptr<BASE::Draggable>>>();
+
+				/*if(!hovering_nodes.empty()){*/
+				/*	hovering_nodes.front()->is_hovering = true;*/
+				/**/
+				/*	if(hovering_nodes.front()->pickedUp()) hovering_nodes.front()->drag();*/
+				/*	if(hovering_nodes.front()->released()) hovering_nodes.front()->putDown();*/
+				/**/
+				/*}*/
 
-				if(!hovering_nodes.empty()){
-					//hovering_nodes.front()->is_hovering = true;
-				}
 			}
+		
+			void interact(InteractionEvent e){
+
+			}
+
+			/*virtual void select() override {*/
+			/*	if(STATE == IState::DRAW_SELECTION) in_selection_rect = CheckCollisionPointRec(position, state->selection);*/
+			/*	if(MOUSE_LEFT.released) selected = (KEYS_DOWN.shift && selected) || in_selection_rect;*/
+			/*}*/
+			/**/
+			/*virtual void update() override {*/
+			/*	if(STATE != IState::HOVER_NODE) select();*/
+			/*	if((pickedUp() || hovering()) && z_hovering == -1) z_hovering = z_index;*/
+			/**/
+			/*	if(z_index == z_hovering || selected){*/
+			/*		if(pickedUp()){*/
+			/*			drag();*/
+			/*			STATE = IState::DRAG_NODE;*/
+			/*		}*/
+			/*	}*/
+			/*	if(STATE != IState::DRAG_NODE){*/
+			/*		if(entered()){*/
+			/*			STATE = IState::HOVER_NODE;*/
+			/*			std::cout << "z_index=" << z_index << " z_hovering=" << z_hovering << std::endl;*/
+			/*			is_hovering = true;*/
+			/*		}*/
+			/*		if(exited()){*/
+			/*			STATE = IState::HOVER_CANVAS;*/
+			/*			is_hovering = false;*/
+			/*		}*/
+			/*	}*/
+			/*	if(released() && picked_up){*/
+			/*		putDown();*/
+			/*		STATE = IState::HOVER_CANVAS;*/
+			/*		if(hovering()) STATE = IState::HOVER_NODE;*/
+			/*	}*/
+			/*}*/
 	};
 }

src/node.h

@@ -8,6 +8,7 @@
 #include "datatypes.h"
 #include "draggable.h"
 #include "graph-item.h"
+#include "interaction-event.h"
 #include "state.h"
 #include "vmath.h"
 
@@ -17,10 +18,9 @@ namespace VISEQ::GRAPH::EDGES{
 
 namespace VISEQ::GRAPH::NODES {
 
-	class Node : public BASE::Draggable, public GraphItem{
+	class Node : public BASE::Draggable, public GraphItem {
 
 		public:
-		using GraphItem::state;
 
 		Node() {}
 		Node(float x, float y) : Draggable(Vec2Df(x, y)) {}
@@ -41,7 +41,7 @@ namespace VISEQ::GRAPH::NODES {
 		bool config = false;
 
 		virtual bool hovering() override {
-			return STATE != IState::DRAW_SELECTION && CheckCollisionPointCircle(SCREEN_MOUSE, position, radius);
+			return CheckCollisionPointCircle(SCREEN_MOUSE, position, radius);
 		}
 
 		void addConnector() {
@@ -59,8 +59,19 @@ namespace VISEQ::GRAPH::NODES {
 	
 		virtual void trigger() {};
 		
+		GraphItemType getType() override{
+			return GraphItemType::NODE;
+		}
+
+		std::shared_ptr<Node> getPtr(){
+			return std::static_pointer_cast<Node>(shared_from_this());
+		}
+
 		void update() override{
-			BASE::Draggable::update();
+
+			if(hovering() && clicked()) state->pushEvent({getPtr(), APP::Interaction::PICKUP});
+			if(pickedUp()) state->pushEvent({getPtr(), APP::Interaction::DRAG});
+			if(picked_up && released()) state->pushEvent({getPtr(), APP::Interaction::PUTDOWN});
 
 			int free_connectors = 0;
 			for(auto c : connectors){
@@ -69,7 +80,6 @@ namespace VISEQ::GRAPH::NODES {
 				c->update();
 			}
 			if(free_connectors == 0) addConnector();
-			/*is_hovering = hovering();*/
 		}
 	
 		void draw(Vec2Df mp, Camera2D cam) override {}

src/state-io.h

@@ -136,7 +136,7 @@ namespace VISEQ::GRAPH::NODES {
 namespace VISEQ::GRAPH {
 	inline void to_json(json& j, const GraphItem& G){
 		std::cout << "Movable" << std::endl;
-		j = json{{"id", G.id}, {"type", G.graphItemType}};
+		j = json{{"id", G.id}, {"type", G.gItemType}};
 	}
 
 	inline void to_json(json& j, const SPTR_GraphItem& G){

src/state.h

@@ -1,8 +1,10 @@
 #pragma once
 
+#include "interaction-event.h"
 #include "raylib.h"
 #include "vmath.h"
 #include <memory>
+#include <queue>
 
 #define STATE state->istate
 #define SETTINGS state->settings
@@ -78,7 +80,12 @@ namespace VISEQ::APP{
 
 			Vec2Df hover_position;
 			
+			void pushEvent(InteractionEvent e){
+				event_queue.push(e);
+			}
+
 			void update(Camera2D camera){
+
 				if(istate != old_istate) std::cout << state_string[istate] << std::endl;
 
 				mouse_delta = {GetMouseDelta().x, GetMouseDelta().y};