Serialization of handles working!

src/control-node.h

@@ -0,0 +1,43 @@
+#pragma once
+
+#include "node.h"
+
+namespace VISEQ::GRAPH::NODES{
+
+	class ControlNode: public Node{
+		public:
+			ControlNode(){}
+			
+			float radius = 6;
+		
+			NodeType nodeType = NodeType::CONTROLNODE;
+
+			Vec2Df center;
+		
+			std::shared_ptr<ControlNode> getPtr(){
+				return std::static_pointer_cast<ControlNode>(shared_from_this());
+			}
+			
+			virtual GRAPH::GraphItemType getType() override {
+				return GraphItemType::NODE;
+			}
+		
+			virtual NodeType getNodeType() const override {return nodeType;}
+
+			virtual bool hovering() override {
+				return CheckCollisionPointCircle(SCREEN_MOUSE, position, radius);
+			}
+
+			virtual void update() override {
+				Node::update();
+			}
+
+			virtual void draw() override {
+				DrawCircleV(position, radius, VS_COLOR_SUN);
+			}
+
+			virtual bool select() override {
+				return false;
+			}
+	};
+}

src/datatypes.h

@@ -35,7 +35,7 @@ namespace VISEQ::GRAPH::NODES {
 
 namespace VISEQ::GRAPH{
 	enum GraphItemType {NODE, EDGE, CONNECTOR, CANVAS, HANDLE, VS_BUTTON};
-	enum NodeType {OSCNODE, MIDINODE, CONFIGNODE};
+	enum NodeType {OSCNODE, MIDINODE, CONFIGNODE, CONTROLNODE};
 	enum EdgeType {MIDIEDGE, CONFIGEDGE};
 }
 
@@ -46,34 +46,40 @@ namespace VISEQ::MIDI{
 		int note = 0;
 		int velocity = 0;
 		int gate = 0; // gate time in milliseconds
+		NLOHMANN_DEFINE_TYPE_INTRUSIVE(MidiNote, channel, note, velocity, gate);
 	};
 
 	struct MidiCC{
 		int channel = 0;
 		int control = 0;
 		int value = 0;
+		NLOHMANN_DEFINE_TYPE_INTRUSIVE(MidiCC, channel, control, value);
 	};
 
 	struct MidiPC{
 		int channel = 0;
 		int program = 0;
 		int value = 0;
+		NLOHMANN_DEFINE_TYPE_INTRUSIVE(MidiPC, channel, program, value);
 	};
 
 	struct MidiPitchBend{
 		int channel = 0;
 		int value = 0;
+		NLOHMANN_DEFINE_TYPE_INTRUSIVE(MidiPitchBend, channel, value);
 	};
 	
 	struct MidiAftertouch{
 		int channel = 0;
 		int value = 0;
+		NLOHMANN_DEFINE_TYPE_INTRUSIVE(MidiAftertouch, channel, value);
 	};
 	
 	struct MidiPolyPressure{
 		int channel = 0;
 		int note = 0;
 		int value = 0;
+		NLOHMANN_DEFINE_TYPE_INTRUSIVE(MidiPolyPressure, channel, note, value);
 	};
 
 	struct MidiOutPort{
@@ -94,10 +100,10 @@ namespace VISEQ::MIDI{
 
 	inline MidiNote operator+(const MidiNote left, const MidiNote right){
 		MidiNote added;
-		added.note = left.note + right.note;
-		added.channel = left.channel + right.channel;
-		added.gate = left.gate + right.gate;
-		added.velocity = left.velocity + right.velocity;
+		added.note = std::clamp(left.note + right.note, 0, 127);
+		added.channel = std::clamp(left.channel + right.channel, 0, 15);
+		added.gate = std::max(left.gate + right.gate, 0);
+		added.velocity = std::clamp(left.velocity + right.velocity, 0, 127);
 		return added;
 	}
 	

src/graph-manager.h

@@ -489,19 +489,7 @@ namespace VISEQ::GRAPH {
 				}
 			}
 
-			void drawNodeUI(){
-
-			}
-
 			NLOHMANN_DEFINE_TYPE_INTRUSIVE(GraphManager, nodes, edges, selected_nodes)
-
-			/*inline void to_json(json& j, const GraphManager& G){*/
-			/*	j = json{{"nodes", G.nodes}, {"edges", G.edges}};*/
-			/*}*/
-			/**/
-			/*inline void from_json(const json& j, GraphManager& G){*/
-			/*	j.at("nodes").template get_to<VEC_SPTR_Node>(G.nodes);*/
-			/*}*/
 	};
 
 }

src/helper.h

@@ -0,0 +1,18 @@
+#pragma once
+
+#include "vmath.h"
+#include <raymath.h>
+#include <string>
+
+namespace VISEQ::HELPER{
+		inline void DrawSuperText(std::string text, Vec2Df start, Vec2Df end, float pos, float dist, float size, Color col){
+			float d = start.dist(end);
+			Vector2 text_length = MeasureTextEx(GetFontDefault(), text.c_str(), size, 2.0f); 
+
+			Vec2Df middle_handle = start + (end - start) * ((d - text_length.x)*pos)/d;
+			Vec2Df text_position = middle_handle + (start - end).norm().orth() * dist;
+
+			float rotation = Vector2Angle((Vector2){1,0}, (end - start)) * RAD2DEG;
+			DrawTextPro(GetFontDefault(), text.c_str(), text_position, (Vector2){0,0}, rotation, size, 2.0f, col);
+		}
+}

src/interaction-manager.h

@@ -13,7 +13,6 @@
 #include "state.h"
 #include "canvas.h"
 #include <algorithm>
-#include <execution>
 #include <memory>
 
 namespace VISEQ::INTERACTION{
@@ -82,11 +81,11 @@ namespace VISEQ::INTERACTION{
 				}
 
 				if(!KEYS_DOWN.shift && IsKeyPressed(KEY_TAB)) {
-					state->node_mode = (state->node_mode + 1) % 6;
+					state->node_mode = (state->node_mode + 1) % 7;
 				}
 				
 				if(KEYS_DOWN.shift && IsKeyPressed(KEY_TAB)) {
-					state->node_mode -= state->node_mode > 0 ? 1 : -5;
+					state->node_mode -= state->node_mode > 0 ? 1 : -6;
 				}
 				
 			}

src/midi-node.h

@@ -1,15 +1,14 @@
 #pragma once
 
-#include "button.h"
 #include "config-node.h"
 #include "datatypes.h"
 #include "edge.h"
+#include "node-handle.h"
 #include "node.h"
 #include "raylib.h"
-#include "raymath.h"
 #include "state.h"
 #include <map>
-#include <random>
+#include <memory>
 
 namespace VISEQ::APP::UI{
 	class AppUI;
@@ -28,7 +27,12 @@ namespace VISEQ::GRAPH::NODES {
 		MIDI::MidiAftertouch midiAftertouch;
 		MIDI::MidiPolyPressure midiPolyPressure;
 
-		std::vector<APP::UI::ButtonRound> channelButtons;
+		std::vector<std::shared_ptr<NodeHandle<int>>> midiNoteHandles;
+		std::vector<std::shared_ptr<NodeHandle<int>>> midiCCHandles;
+		std::vector<std::shared_ptr<NodeHandle<int>>> midiPCHandles;
+		std::vector<std::shared_ptr<NodeHandle<int>>> midiPitchBendHandles;
+		std::vector<std::shared_ptr<NodeHandle<int>>> midiAftertouchHandles;
+		std::vector<std::shared_ptr<NodeHandle<int>>> midiPolyPressureHandles;
 
 		public:
 
@@ -43,6 +47,8 @@ namespace VISEQ::GRAPH::NODES {
 
 		NodeType nodeType = NodeType::MIDINODE;
 		
+		//std::vector<std::shared_ptr<ControlNode>> controlNodes;
+
 		bool send_note = true;
 		bool send_cc = false;
 		bool send_pc = false;
@@ -63,11 +69,28 @@ namespace VISEQ::GRAPH::NODES {
 		float last = 0;
 		
 		void init(){
-			channelButtons.clear();
-			for(int i = 0; i < 16; ++i){
-				channelButtons.emplace_back(position, 4.0f, VS_COLOR_YELLOW);
-				channelButtons.back().hover_color = VS_COLOR_PINK;
-			}
+			midiNoteHandles.emplace_back(std::make_shared<NodeHandle<int>>(midiNote.note, position, VS_COLOR_GREEN, "NOTE"));
+			midiNoteHandles.emplace_back(std::make_shared<NodeHandle<int>>(midiNote.channel, position, VS_COLOR_PINK, "CHANNEL", 1, 16, 40, 150));
+			midiNoteHandles.emplace_back(std::make_shared<NodeHandle<int>>(midiNote.gate, position, VS_COLOR_RED, "GATE", 10, 30000, 40, 300));
+			midiNoteHandles.emplace_back(std::make_shared<NodeHandle<int>>(midiNote.velocity, position, VS_COLOR_PURPLE, "VELOCITY"));
+			
+			midiCCHandles.emplace_back(std::make_shared<NodeHandle<int>>(midiCC.control, position, VS_COLOR_SUN, "CONTROL"));
+			midiCCHandles.emplace_back(std::make_shared<NodeHandle<int>>(midiCC.channel, position, VS_COLOR_PINK, "CHANNEL", 1, 16, 40, 150));
+			midiCCHandles.emplace_back(std::make_shared<NodeHandle<int>>(midiCC.value, position, VS_COLOR_GREEN, "VALUE"));
+			
+			midiPCHandles.emplace_back(std::make_shared<NodeHandle<int>>(midiPC.program, position, VS_COLOR_SUN, "PROGRAM"));
+			midiPCHandles.emplace_back(std::make_shared<NodeHandle<int>>(midiPC.channel, position, VS_COLOR_PINK, "CHANNEL", 1, 16, 40, 150));
+			midiPCHandles.emplace_back(std::make_shared<NodeHandle<int>>(midiPC.value, position, VS_COLOR_GREEN, "VALUE"));
+
+			midiPitchBendHandles.emplace_back(std::make_shared<NodeHandle<int>>(midiPitchBend.channel, position, VS_COLOR_PINK, "CHANNEL", 1, 16, 40, 150));
+			midiPitchBendHandles.emplace_back(std::make_shared<NodeHandle<int>>(midiPitchBend.value, position, VS_COLOR_GREEN, "VALUE", -8192, 8192, 40, 300));
+			
+			midiAftertouchHandles.emplace_back(std::make_shared<NodeHandle<int>>(midiAftertouch.channel, position, VS_COLOR_PINK, "CHANNEL", 1, 16, 40, 150));
+			midiAftertouchHandles.emplace_back(std::make_shared<NodeHandle<int>>(midiAftertouch.value, position, VS_COLOR_GREEN, "VALUE"));
+			
+			midiPolyPressureHandles.emplace_back(std::make_shared<NodeHandle<int>>(midiPolyPressure.channel, position, VS_COLOR_PINK, "CHANNEL", 1, 16, 40, 150));
+			midiPolyPressureHandles.emplace_back(std::make_shared<NodeHandle<int>>(midiPolyPressure.value, position, VS_COLOR_GREEN, "VALUE"));
+			midiPolyPressureHandles.emplace_back(std::make_shared<NodeHandle<int>>(midiPolyPressure.note, position, VS_COLOR_SUN, "NOTE"));
 		}
 
 		std::shared_ptr<MidiNode> getPtr(){
@@ -152,6 +175,24 @@ namespace VISEQ::GRAPH::NODES {
 		void update() override {
 			Node::update();
 			mode = state->node_mode;	
+			for(auto mh : midiNoteHandles){
+				mh->update(position);
+			}
+			for(auto mh : midiCCHandles){
+				mh->update(position);
+			}
+			for(auto mh : midiPCHandles){
+				mh->update(position);
+			}
+			for(auto mh : midiPitchBendHandles){
+				mh->update(position);
+			}
+			for(auto mh : midiAftertouchHandles){
+				mh->update(position);
+			}
+			for(auto mh : midiPolyPressureHandles){
+				mh->update(position);
+			}
 		}
 		
 		void modMidiNote(int incr){
@@ -259,11 +300,36 @@ namespace VISEQ::GRAPH::NODES {
 
 		void draw(Vec2Df mouse, Camera2D cam) override {
 			Node::draw();
-			/*if(hovering()) {*/
-			/*	radius += radius < hover_radius ? 2 : 0;*/
-			/*} else {*/
-			/*	radius -= radius > node_radius ? 2 : 0;*/
-			/*}*/
+			for(auto mh : midiNoteHandles){
+				if(mode == 0) mh->unlock();
+				else mh->lock();
+				mh->draw();
+			}
+			for(auto mh : midiCCHandles){
+				if(mode == 1) mh->unlock();
+				else mh->lock();
+				mh->draw();
+			}
+			for(auto mh : midiPCHandles){
+				if(mode == 2) mh->unlock();
+				else mh->lock();
+				mh->draw();
+			}
+			for(auto mh : midiPitchBendHandles){
+				if(mode == 3) mh->unlock();
+				else mh->lock();
+				mh->draw();
+			}
+			for(auto mh : midiAftertouchHandles){
+				if(mode == 4) mh->unlock();
+				else mh->lock();
+				mh->draw();
+			}
+			for(auto mh : midiPolyPressureHandles){
+				if(mode == 5) mh->unlock();
+				else mh->lock();
+				mh->draw();
+			}
 			
 			if(hovering() || selected) interact();
 
@@ -280,22 +346,9 @@ namespace VISEQ::GRAPH::NODES {
 			DrawRing(position, radius, radius + 4, 0.0f - 90.0f, (360.0f/127.0f) * getNotes().velocity - 90.0f, 24, (Color){158, 134, 200, 255});
 			DrawCircleLinesV(position, radius + 4, (Color){100, 100, 100, 255});
 
-			float midi_gate_map = round((255.f / getNotes().gate) * fade);
+			float trigger_alpha = (1.f / getNotes().gate) * fade;
 			
-			Color gate_color = VS_COLOR_GREEN;
-
-			switch(mode){
-				case 0:{
-					gate_color = ColorAlphaBlend(VS_COLOR_RED, (Color){180, 210, 115, (unsigned char)Clamp(255 - midi_gate_map, 0, 255)}, WHITE);
-					break;}
-				case 1:{
-					gate_color = ColorAlphaBlend(VS_COLOR_RED, (Color){229, 181, 103, (unsigned char)Clamp(255 - midi_gate_map, 0, 255)}, WHITE);
-					break;}
-				case 2:{
-					gate_color = ColorAlphaBlend(VS_COLOR_RED, (Color){232, 125, 62, (unsigned char)Clamp(255 - midi_gate_map, 0, 255)}, WHITE);
-					break;}
-			}
-			if(!picked_up && !selected && !in_selection_rect && !hovering()) DrawCircle(position.x, position.y, radius, gate_color);
+			if(!picked_up && !selected && !in_selection_rect && !hovering()) DrawCircle(position.x, position.y, radius, ColorLerp(state->mode_color, VS_COLOR_RED, trigger_alpha));
 			if(picked_up || in_selection_rect || hovering()) DrawCircle(position.x, position.y, radius, (Color){108, 153, 187, 255});
 			if(selected) DrawCircle(position.x, position.y, radius, (Color){255, 153, 187, 255});
 
@@ -304,23 +357,7 @@ namespace VISEQ::GRAPH::NODES {
 			
 			if(selected) DrawCircleLinesV(position, radius+8, (Color){158, 255, 210, 255});
 			
-			/*if(hovering()){*/
-			/*	for(int i = 0; i < 16; ++i){*/
-			/*		channelButtons.at(i).position = position.orbitAtAngle(radius - 6.0f, DEG2RAD * (360.0f/16.0f)*i);*/
-			/*		Color col = VS_COLOR_YELLOW;*/
-			/*		if(mode == 0 && midiNote.channel == i) col = VS_COLOR_PINK;*/
-			/*		if(mode == 1 && midiCC.channel == i) col = VS_COLOR_PINK;*/
-			/*		if(mode == 2 && midiPitchBend.channel == i) col = VS_COLOR_PINK;*/
-			/*		channelButtons.at(i).color = col;*/
-			/*		channelButtons.at(i).draw();*/
-			/*		if(channelButtons.at(i).hovering()) DrawCenteredText(std::format("{}", i+1), position + (Vec2Df){0,10.0f}, 8, VS_COLOR_WHITE);*/
-			/*		if(channelButtons.at(i).clicked()) {*/
-			/*			if(mode == 0) midiNote.channel = i;*/
-			/*			if(mode == 1) midiCC.channel = i;*/
-			/*			if(mode == 2) midiPitchBend.channel = i;*/
-			/*		}*/
-			/*	}*/
-			/*}*/
+			/*if(fade > 0) DrawCircle(position.x, position.y, radius, ColorAlpha(VS_COLOR_RED, trigger_alpha));*/
 
 			if(KEYS_DOWN.alt){
 				float value = 0;
@@ -366,28 +403,51 @@ namespace VISEQ::GRAPH::NODES {
 		friend void to_json(json& j, const MidiNode& N){
 			std::vector<int> conns;		
 			std::ranges::transform(N.connections.begin(), N.connections.end(), std::back_inserter(conns), [](VISEQ::GRAPH::EDGES::SPTR_Edge e){ return e->id;});
+			std::map<std::string, Vec2Df> noteHandles;
+			std::map<std::string, Vec2Df> CCHandles;
+			std::map<std::string, Vec2Df> PCHandles;
+			std::map<std::string, Vec2Df> pitchBendHandles;
+			std::map<std::string, Vec2Df> aftertouchHandles;
+			std::map<std::string, Vec2Df> polyPressureHandles;
+
+			for(auto i : N.midiNoteHandles){
+				noteHandles.insert(std::make_pair(i->name, i->position));
+			}
+			for(auto i : N.midiCCHandles){
+				CCHandles.insert(std::make_pair(i->name, i->position));
+			}
+			for(auto i : N.midiPCHandles){
+				PCHandles.insert(std::make_pair(i->name, i->position));
+			}
+			for(auto i : N.midiPitchBendHandles){
+				pitchBendHandles.insert(std::make_pair(i->name, i->position));
+			}
+			for(auto i : N.midiAftertouchHandles){
+				pitchBendHandles.insert(std::make_pair(i->name, i->position));
+			}
+			for(auto i : N.midiPolyPressureHandles){
+				polyPressureHandles.insert(std::make_pair(i->name, i->position));
+			}
+
 			j = json{
 				{"id", N.id},
 				{"position", N.position},
 				{"distributionMode", N.distributionMode},
 				{"nodeType", N.nodeType},
-				{"midi_note_channel",N.midiNote.channel},
-				{"midi_note_note",N.midiNote.note},
-				{"midi_note_velocity",N.midiNote.velocity},
-				{"midi_note_gate",N.midiNote.gate},
-				{"midi_cc_channel",N.midiCC.channel},
-				{"midi_cc_control",N.midiCC.control},
-				{"midi_cc_value",N.midiCC.value},
-				{"midi_pc_channel",N.midiPC.channel},
-				{"midi_pc_program",N.midiPC.program},
-				{"midi_pc_value",N.midiPC.value},
-				{"midi_pitch_bend_channel",N.midiPitchBend.channel},
-				{"midi_pitch_bend_value",N.midiPitchBend.value},
-				{"midi_aftertouch_channel",N.midiAftertouch.channel},
-				{"midi_aftertouch_value",N.midiAftertouch.value},
-				{"midi_polypressure_channel",N.midiPolyPressure.channel},
-				{"midi_polypressure_value",N.midiPolyPressure.value},
+				{"midiNote", N.midiNote},
+				{"midiCC", N.midiCC},
+				{"midiPC", N.midiPC},
+				{"midiPitchBend", N.midiPitchBend},
+				{"midiAftertouch", N.midiAftertouch},
+				{"midiPolyPressure", N.midiPolyPressure},
+				{"midiNoteHandle", noteHandles},
+				{"midiCCHandle", CCHandles},
+				{"midiPCHandle", PCHandles},
+				{"midiPitchBendHandle", pitchBendHandles},
+				{"midiAftertouchHandle", aftertouchHandles},
+				{"midiPolyPressureHandle", polyPressureHandles},
 				{"connections",conns}};
+
 		}
 
 		friend void from_json(const json& j, MidiNode& N){
@@ -397,23 +457,49 @@ namespace VISEQ::GRAPH::NODES {
 			j.at("position").get_to<Vec2Df>(N.position);
 			j.at("distributionMode").get_to(N.distributionMode);
 			j.at("nodeType").get_to(N.nodeType);
-			j.at("midi_note_channel").get_to(N.midiNote.channel);
-			j.at("midi_note_note").get_to(N.midiNote.note);
-			j.at("midi_note_velocity").get_to(N.midiNote.velocity);
-			j.at("midi_note_gate").get_to(N.midiNote.gate);
-			j.at("midi_cc_channel").get_to(N.midiCC.channel);
-			j.at("midi_cc_control").get_to(N.midiCC.control);
-			j.at("midi_cc_value").get_to(N.midiCC.value);
-			j.at("midi_pc_channel").get_to(N.midiPC.channel);
-			j.at("midi_pc_program").get_to(N.midiPC.program);
-			j.at("midi_pc_value").get_to(N.midiPC.value);
-			j.at("midi_pitch_bend_channel").get_to(N.midiPitchBend.channel);
-			j.at("midi_pitch_bend_value").get_to(N.midiPitchBend.value);
-			j.at("midi_aftertouch_channel").get_to(N.midiAftertouch.channel);
-			j.at("midi_aftertouch_value").get_to(N.midiAftertouch.value);
-			j.at("midi_polypressure_channel").get_to(N.midiPolyPressure.channel);
-			j.at("midi_polypressure_value").get_to(N.midiPolyPressure.value);
+			j.at("midiNote").get_to(N.midiNote);
+			j.at("midiCC").get_to(N.midiCC);
+			j.at("midiPC").get_to(N.midiPC);
+			j.at("midiPitchBend").get_to(N.midiPitchBend);
+			j.at("midiAftertouch").get_to(N.midiAftertouch);
+			j.at("midiPolyPressure").get_to(N.midiPolyPressure);
 
+			std::map<std::string, Vec2Df> noteHandles;
+			std::map<std::string, Vec2Df> CCHandles;
+			std::map<std::string, Vec2Df> PCHandles;
+			std::map<std::string, Vec2Df> pitchBendHandles;
+			std::map<std::string, Vec2Df> aftertouchHandles;
+			std::map<std::string, Vec2Df> polyPressureHandles;
+
+			j.at("midiNoteHandle").get_to(noteHandles);
+			j.at("midiCCHandle").get_to(CCHandles);
+			j.at("midiPCHandle").get_to(PCHandles);
+			j.at("midiPitchBendHandle").get_to(pitchBendHandles);
+			j.at("midiAftertouchHandle").get_to(aftertouchHandles);
+			j.at("midiPolyPressureHandle").get_to(polyPressureHandles);
+
+			N.midiNoteHandles[0]->position = noteHandles["NOTE"];
+			N.midiNoteHandles[1]->position = noteHandles["CHANNEL"];
+			N.midiNoteHandles[2]->position = noteHandles["GATE"];
+			N.midiNoteHandles[3]->position = noteHandles["VELOCITY"];
+
+			N.midiCCHandles[0]->position = CCHandles["CONTROL"];
+			N.midiCCHandles[1]->position = CCHandles["CHANNEL"];
+			N.midiCCHandles[2]->position = CCHandles["VALUE"];
+			
+			N.midiPCHandles[0]->position = PCHandles["PROGRAM"];
+			N.midiPCHandles[1]->position = PCHandles["CHANNEL"];
+			N.midiPCHandles[2]->position = PCHandles["VALUE"];
+
+			N.midiPitchBendHandles[0]->position = pitchBendHandles["CHANNEL"];
+			N.midiPitchBendHandles[1]->position = pitchBendHandles["VALUE"];
+			
+			N.midiAftertouchHandles[0]->position = aftertouchHandles["CHANNEL"];
+			N.midiAftertouchHandles[1]->position = aftertouchHandles["VALUE"];
+
+			N.midiPolyPressureHandles[0]->position = polyPressureHandles["CHANNEL"];
+			N.midiPolyPressureHandles[1]->position = polyPressureHandles["VALUE"];
+			N.midiPolyPressureHandles[2]->position = polyPressureHandles["NOTE"];
 			//j.at("connections").get_to(N.connections);
 		}
 	};

src/node-handle.h

@@ -0,0 +1,136 @@
+#pragma once
+
+#include "datatypes.h"
+#include "draggable.h"
+#include "graph-item.h"
+#include "helper.h"
+#include "raylib.h"
+#include "raymath.h"
+#include "state.h"
+#include <memory>
+#include <nlohmann/json.hpp>
+
+namespace VISEQ::GRAPH::NODES{
+	
+	template<typename T>
+	class NodeHandle : public BASE::Draggable, public GraphItem, public std::enable_shared_from_this<NodeHandle<T>>{
+		public:
+			NodeHandle() {}
+			NodeHandle(T &_assignedValue, Vec2Df parentPos, Color _col, std::string name) : assignedValueRef(_assignedValue), parentPosition(parentPos), col(_col), name(name) {init();}
+			NodeHandle(T &_assignedValue, Vec2Df parentPos, Color _col, std::string name, float min, float max, float minDist, float maxDist) : assignedValueRef(_assignedValue), parentPosition(parentPos), col(_col), name(name), minValue(min), maxValue(max), minDistance(minDist), maxDistance(maxDist) {init();}
+
+			virtual GRAPH::GraphItemType getType() override {
+				return GraphItemType::HANDLE;
+			}
+			
+			std::shared_ptr<NodeHandle<T>> getPtr(){
+				return this->shared_from_this();
+			}
+			
+			T &assignedValueRef;
+			Vec2Df parentPosition = {0,0};
+			Color col;
+			std::string name = "";
+
+			float minValue = 0;
+			float maxValue = 127;
+			float minDistance = 40;
+			float maxDistance = 40 + 2*127;
+			bool stopAtMax = true;
+
+			float radius = 10.0f;
+			float orbit = 0.0f;
+
+			Vec2Df minP;
+			Vec2Df maxP;
+
+			bool locked = true;
+			bool visible = false;
+
+			void init(){
+				position = parentPosition.orbitAtAngle(minDistance, DEG2RAD * GetRandomValue(0, 360)) - parentPosition;
+			}
+
+			void assignValue(T &value){
+				assignedValueRef = value;
+			}
+		
+			float distance(){
+				return (parentPosition + position).dist(parentPosition);
+			}
+
+			virtual void drag(Vec2Df mouse_pos) override {
+				if(KEYS_DOWN.shift)	{
+					orbit = (parentPosition + position).dist(parentPosition);
+					position = parentPosition.orbitAlongVector(SCREEN_MOUSE, orbit) - parentPosition;
+				} else {
+					float step = (maxDistance - minDistance) / (maxValue - minValue);
+					orbit =  round(parentPosition.dist(SCREEN_MOUSE) / step) * step;
+					position = parentPosition.orbitAlongVector(maxP, orbit) - parentPosition;
+				}
+				if(distance() >= maxDistance) position = parentPosition.orbitAlongVector(maxP, maxDistance) - parentPosition;
+				if(distance() <= minDistance) position = parentPosition.orbitAlongVector(maxP, minDistance) - parentPosition;
+			}
+			
+			void lock(){
+				visible = false;
+				locked = true;
+			}
+
+			void unlock(){
+				visible = true;
+				locked = false;
+			}
+
+			void assignValue(T &value, float min, float max, float minDistance, float maxDistance){
+				assignedValueRef = value;
+			}
+
+			void updateAssignedValue(){
+				assignedValueRef = (T)Remap((float)(parentPosition + position).dist(parentPosition), minDistance, maxDistance, minValue, maxValue);
+			}
+
+			virtual bool hovering() override {
+				return CheckCollisionPointCircle(SCREEN_MOUSE, position + parentPosition, radius);
+			}
+
+			virtual void update(Vec2Df pos) override {
+				if(!locked && visible){
+					if(hovering()) state->pushEvent({getPtr(), APP::Interaction::HOVER});
+					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});
+				
+				parentPosition = pos;
+				if(!locked && visible) updateAssignedValue();
+				
+				minP = parentPosition.orbitAlongVector((parentPosition + position), minDistance);
+				maxP = parentPosition.orbitAlongVector((parentPosition + position), maxDistance);
+			}
+
+			virtual void draw() override {
+				if(!locked && visible){
+					bool show = hovering() || picked_up;
+					Color dcol = ColorBrightness(col, -0.5f);
+					Color dyncol = show ? col : dcol;
+
+					DrawLineV(minP, maxP, dcol);
+					//DrawLineV(parentPosition, minP, VS_COLOR_LIGHTGREY);
+					DrawCircleV(minP, 3.0f, dyncol);
+					DrawCircleV(maxP, 3.0f, dyncol);
+					DrawCircleV(position + parentPosition, radius, dyncol);
+					if(show) VISEQ::HELPER::DrawSuperText(name, minP, maxP, 0.5f, 8.0f, 10.0f, dyncol);
+				}
+			}
+			
+			virtual bool select() override {
+				return false;
+			}
+			
+			/*friend void to_json(json& j, const NodeHandle<T>& N){*/
+			/*	j = json{{"position",N.position}};*/
+			/*}*/
+			NLOHMANN_DEFINE_TYPE_NON_INTRUSIVE(NodeHandle, position, name);
+	};
+}

src/state-io.h

@@ -3,6 +3,7 @@
 #include "config-node.h"
 #include "midi-node.h"
 #include "graph-item.h"
+#include "node-handle.h"
 #include "node.h"
 #include "edge.h"
 
@@ -34,6 +35,27 @@ namespace nlohmann {
 			}
 		}
 	};
+	
+	/*template <typename T>*/
+	/*struct adl_serializer<std::shared_ptr<T>> {*/
+	/*	template <typename J>*/
+	/*	static void to_json(J& j, const std::shared_ptr<T>& opt) {*/
+	/*		if (opt) {*/
+	/*			j = *opt;*/
+	/*		} else {*/
+	/*			j = nullptr;*/
+	/*		}*/
+	/*	}*/
+	/**/
+	/*	template <typename J>*/
+	/*	static void from_json(const J& j, std::shared_ptr<T>& opt) {*/
+	/*		if (j.is_null()) {*/
+	/*			opt = nullptr;*/
+	/*		} else {*/
+	/*			opt.reset(new T(j.template get<T>()));*/
+	/*		}*/
+	/*	}*/
+	/*};*/
 }
 
 namespace VISEQ::GRAPH::EDGES {
@@ -62,28 +84,32 @@ namespace VISEQ::GRAPH::NODES {
 	
 	/* ------------------- MIDINODE ---------------------- */
 	
-	inline void to_json(json& j, const std::shared_ptr<MidiNode>& N){
-		j = *N;
-	}
-
-	inline void from_json(const json& j, std::shared_ptr<MidiNode>& N){
-		N.reset(new MidiNode(j.get<MidiNode>()));
-	}
+	/*inline void to_json(json& j, const std::shared_ptr<MidiNode>& N){*/
+	/*	j = *N;*/
+	/*}*/
+	/**/
+	/*inline void from_json(const json& j, std::shared_ptr<MidiNode>& N){*/
+	/*	N.reset(new MidiNode(j.get<MidiNode>()));*/
+	/*}*/
 	
 	inline void to_json(json& j, const MidiNode::NodeMidiOut& MO){
 		j = json{{"port_id", MO.i}, {"enabled", MO.enabled}, {"name", MO.name}};
 	}
 
+	/*template< typename T>*/
+	/*inline void to_json(json& j, const std::shared_ptr<NodeHandle<T>>& NH){*/
+	/*	j = json{{"position", NH->position}};*/
+	/*}*/
 	/* ----------------- CONFIG NODE -----------------*/
 
 
-	inline void to_json(json& j, const std::shared_ptr<ConfigNode>& N){
-		j = *N;
-	}
-
-	inline void from_json(const json& j, std::shared_ptr<ConfigNode>& N){
-		N.reset(new ConfigNode(j.get<ConfigNode>()));
-	}
+	/*inline void to_json(json& j, const std::shared_ptr<ConfigNode>& N){*/
+	/*	j = *N;*/
+	/*}*/
+	/**/
+	/*inline void from_json(const json& j, std::shared_ptr<ConfigNode>& N){*/
+	/*	N.reset(new ConfigNode(j.get<ConfigNode>()));*/
+	/*}*/
 	
 	/* ------------------- NODE ---------------------- */
 

src/state.h

@@ -29,6 +29,7 @@ namespace VISEQ::APP{
 		float fps;
 		float speed = 16.0f;
 		int gui_selected_midi_out;
+		Color mode_colors[7] = {VS_COLOR_GREEN, VS_COLOR_SUN, VS_COLOR_PINK, VS_COLOR_ORANGE, VS_COLOR_PURPLE, VS_COLOR_LIGHTGREY, (Color){0,0,0,0}};
 	};
 	NLOHMANN_DEFINE_TYPE_NON_INTRUSIVE_WITH_DEFAULT(AppSettings, width, height, grid, bpm, fps, speed, gui_selected_midi_out)
 
@@ -85,6 +86,8 @@ namespace VISEQ::APP{
 
 			Vec2Df selection_origin;
 
+			Color mode_color = settings.mode_colors[0];
+			
 			void pushEvent(InteractionEvent e){
 				event_queue.push_back(e);
 			}
@@ -133,6 +136,8 @@ namespace VISEQ::APP{
 				raw_mouse = {GetMousePosition().x, GetMousePosition().y};
 				mod_mouse = {round(mouse_pos.x), round(mouse_pos.y)};
 				
+				mode_color = settings.mode_colors[node_mode];
+
 				if(keys_down.ctrl) {
 					mod_mouse.x = round(mouse_pos.x / settings.grid) * settings.grid;
 					mod_mouse.y = round(mouse_pos.y / settings.grid) * settings.grid;

src/ui.h

@@ -99,9 +99,9 @@ namespace VISEQ::APP::UI{
 
 			std::string shorts[6] = {"NT","CC","PC","PB","AT","PP"};
 			for(int i = 0; i < 6; ++i){
-				Color col = VS_COLOR_GREEN;
-				if(state->node_mode == i) col = VS_COLOR_SUN;
+				Color col = state->settings.mode_colors[i];
 				Vec2Df pos = {state->settings.width - (6.0f*75.0f) + i*75.0f, state->settings.height - 75.0f};
+				DrawRing(pos, 30.0f, 34.0f, 0.0f, 360.0f, 24, state->node_mode == i ? VS_COLOR_WHITE : (Color){0,0,0,0}); 
 				DrawCircleV(pos, 30.0f, col);
 				DrawCenteredText(shorts[i], pos, 20, WHITE);
 			}