rabidus-test/Assets/Dreamteck/Utilities/Editor/EditorGUIEvents.cs

using UnityEngine;
using UnityEditor;

namespace Dreamteck
{
    public class EditorGUIEvents
    {
        public bool mouseLeft = false;
        public bool mouseRight = false;
        public bool mouseLeftDown = false;
        public bool mouseRightDown = false;
        public bool mouseLeftUp = false;
        public bool mouseRightUp = false;
        public bool control = false;
        public bool shift = false;
        public bool alt = false;
        public bool enterDown = false;
        public bool v = false;
        public Vector2 mousPos = Vector2.zero;
        public Vector2 lastClickPoint = Vector2.zero;
        public Vector2 mouseClickDelta
        {
            get
            {
                return Event.current.mousePosition - lastClickPoint;
            }
        }

        public delegate void CommandHandler(string command);
        public delegate void KeyCodeHandler(KeyCode code);
        public delegate void MouseHandler(int button);
        public delegate void EmptyHandler();

        public event CommandHandler onCommand;
        public event KeyCodeHandler onkeyDown;
        public event KeyCodeHandler onKeyUp;
        public event MouseHandler onMouseDown;
        public event MouseHandler onMouseUp;

        public void Use()
        {
            mouseLeft = false;
            mouseRight = false;
            mouseLeftDown = false;
            mouseRightDown = false;
            mouseLeftUp = false;
            mouseRightUp = false;
            control = false;
            shift = false;
            alt = false;
            Event.current.Use();
        }

        public void Update()
        {
            ListenInput(Event.current);
        }

        public void Update(Event current)
        {
            ListenInput(current);
        }

        void ListenInput(Event e)
        {
            //int controlID = GUIUtility.GetControlID(FocusType.Passive);
            mousPos = e.mousePosition;
            mouseLeftDown = mouseLeftUp = mouseRightDown = mouseRightUp = false;
            control = e.control;
            shift = e.shift;
            alt = e.alt;
            enterDown = false;
            switch (e.type)
            {
                case EventType.MouseDown:
                    if (e.button == 0)
                    {
                        mouseLeftDown = true;
                        mouseLeft = true;
                        lastClickPoint = e.mousePosition;
                    }
                    if (e.button == 1) mouseRightDown = mouseRight = true;
                    if (onMouseDown != null) onMouseDown(e.button);
                    break;
                case EventType.MouseUp:
                    if (e.button == 0)
                    {
                        mouseLeftUp = true;
                        mouseLeft = false;
                    }
                    if (e.button == 1)
                    {
                        mouseRightDown = true;
                        mouseRight = false;
                    }
                    if (onMouseUp != null) onMouseUp(e.button);
                    break;

                case EventType.KeyDown:
                    if (onkeyDown != null) onkeyDown(e.keyCode);
                    if (e.keyCode == KeyCode.Return || e.keyCode == KeyCode.KeypadEnter) enterDown = true;
                    if (e.keyCode == KeyCode.V) v = true;
                    break;

                case EventType.KeyUp:
                    if (onKeyUp != null) onKeyUp(e.keyCode);
                    if (e.keyCode == KeyCode.V) v = false;
                    break;
            }
            if (onCommand != null && e.commandName != "") onCommand(e.commandName);
        }
    }
}