graph_node.h

#ifndef GRAPH_NODE_H
#define GRAPH_NODE_H

#include "scene/gui/container.h"

class GraphNode : public Container {

    OBJ_TYPE(GraphNode,Container);



    struct Slot {
        bool enable_left;
        int type_left;
        Color color_left;
        bool enable_right;
        int type_right;
        Color color_right;


        Slot() { enable_left=false; type_left=0; color_left=Color(1,1,1,1); enable_right=false; type_right=0; color_right=Color(1,1,1,1); }
    };

    String title;
    bool show_close;
    Vector2 offset;

    Rect2 close_rect;

    Vector<int> cache_y;

    struct ConnCache {
        Vector2 pos;
        int type;
        Color color;
    };

    Vector<ConnCache> conn_input_cache;
    Vector<ConnCache> conn_output_cache;

    Map<int,Slot> slot_info;

    bool connpos_dirty;

    void _connpos_update();
    void _resort();

    Vector2 drag_from;
    bool selected;
protected:


    void _input_event(const InputEvent& p_ev);
    void _notification(int p_what);
    static void _bind_methods();

    bool _set(const StringName& p_name, const Variant& p_value);
    bool _get(const StringName& p_name,Variant &r_ret) const;
    void _get_property_list( List<PropertyInfo> *p_list) const;

public:




    void set_slot(int p_idx,bool p_enable_left,int p_type_left,const Color& p_color_left, bool p_enable_right,int p_type_right,const Color& p_color_right);
    void clear_slot(int p_idx);
    void clear_all_slots();
    bool is_slot_enabled_left(int p_idx) const;
    int get_slot_type_left(int p_idx) const;
    Color get_slot_color_left(int p_idx) const;
    bool is_slot_enabled_right(int p_idx) const;
    int get_slot_type_right(int p_idx) const;
    Color get_slot_color_right(int p_idx) const;

    void set_title(const String& p_title);
    String get_title() const;

    void set_offset(const Vector2& p_offset);
    Vector2 get_offset() const;

    void set_selected(bool p_selected);
    bool is_selected();

    void set_drag(bool p_drag);
    Vector2 get_drag_from();

    void set_show_close_button(bool p_enable);
    bool is_close_button_visible() const;

    int get_connection_input_count() ;
    int get_connection_output_count() ;
    Vector2 get_connection_input_pos(int p_idx);
    int get_connection_input_type(int p_idx);
    Color get_connection_input_color(int p_idx);
    Vector2 get_connection_output_pos(int p_idx);
    int get_connection_output_type(int p_idx);
    Color get_connection_output_color(int p_idx);


    virtual Size2 get_minimum_size() const;

    GraphNode();
};


#endif // GRAPH_NODE_H