Work in progress refactor of InputManager, added UI structure

Assets/Scripts/UI/Windows/UIWindow.cs

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+using System.Collections.Generic;
+using System;
+using UnityEngine;
+using UnityEngine.UI;
+using TMPro;
+using UnityEngine.EventSystems;
+
+[RequireComponent(typeof(UIElementMouseCapturer))]
+[RequireComponent(typeof(UIElementDragger))]
+[RequireComponent(typeof(Image))]
+public class UIWindow : MonoBehaviour
+{
+    // Window title
+    [SerializeField]
+    private string windowTitle = "Window";
+
+    // Close button
+    private GameObject closeButton;
+    [SerializeField]
+    private CloseButtonCallback closeButtonCallback;
+    [Serializable]
+    private enum CloseButtonCallback
+    {
+        CLOSE_WINDOW,
+        TOGGLE_WINDOW
+    }
+
+    // IsOpen property
+    private bool isOpen;
+    private void OnEnable() { isOpen = true; }
+    private void OnDisable() { isOpen = false; }
+
+    public void ToggleWindow()
+    {
+        gameObject.SetActive(!gameObject.activeSelf);
+    }
+
+    public void CloseWindow()
+    {
+        Destroy(gameObject);
+        isOpen = false;
+    }
+
+    /// <summary>
+    /// Called when the UIWindow component is created in the editor
+    /// We will use it to configure the image component
+    /// </summary>
+    private void Reset()
+    {
+        // 18 16 28 125
+        GetComponent<Image>().color = new Color32(18, 16, 28, 125);
+    }
+
+    public virtual void Start()
+    {
+        isOpen = gameObject.activeSelf;
+        CreateCloseButton();
+        CreateWindowTitle();
+        if (closeButtonCallback == CloseButtonCallback.CLOSE_WINDOW)
+            closeButton.AddComponent<Button>().onClick.AddListener(CloseWindow);
+        else if (closeButtonCallback == CloseButtonCallback.TOGGLE_WINDOW)
+            closeButton.AddComponent<Button>().onClick.AddListener(ToggleWindow);
+    }
+
+    private void CreateWindowTitle()
+    {
+        GameObject windowTitleObject = new GameObject("WindowTitle", typeof(RectTransform));
+        windowTitleObject.transform.SetParent(transform);
+        TextMeshProUGUI windowTitleHandle = windowTitleObject.AddComponent<TextMeshProUGUI>();
+        windowTitleHandle.text = windowTitle;
+        windowTitleHandle.font = UIManager.Instance.Font;
+        windowTitleHandle.fontSize = 14;
+        windowTitleHandle.color = Color.white;
+        windowTitleHandle.alignment = TextAlignmentOptions.Left;
+        windowTitleHandle.rectTransform.anchorMin = new Vector2(0, 1);
+        windowTitleHandle.rectTransform.anchorMax = new Vector2(1, 1);
+        windowTitleHandle.rectTransform.pivot = new Vector2(0, 1);
+        windowTitleHandle.rectTransform.sizeDelta = new Vector2(0, 30);
+        windowTitleHandle.rectTransform.anchoredPosition = new Vector2(5, 0);
+        windowTitleHandle.rectTransform.SetRight(30); // Give spacing to the close button
+    }
+
+
+    /// <summary>
+    /// Create the close [x] button in the top right corner of the window
+    /// </summary>
+    private void CreateCloseButton()
+    {
+        closeButton = new GameObject("CloseButton", typeof(RectTransform));
+        RectTransform buttonTransform = closeButton.GetComponent<RectTransform>();
+        buttonTransform.SetParent(transform);
+        // anchor top right 
+        buttonTransform.anchorMin = new Vector2(1, 1);
+        buttonTransform.anchorMax = new Vector2(1, 1);
+        buttonTransform.pivot = new Vector2(1, 1);
+        // position top right
+        buttonTransform.anchoredPosition = new Vector2(0, 0);
+        // size
+        buttonTransform.sizeDelta = new Vector2(30, 30);
+        // add button component
+        TextMeshProUGUI textbox = closeButton.AddComponent<TextMeshProUGUI>();
+        textbox.text = "X";
+        textbox.font = UIManager.Instance.Font;
+        textbox.fontSize = 12;
+        textbox.alignment = TextAlignmentOptions.Center;
+        textbox.verticalAlignment = VerticalAlignmentOptions.Middle;
+    }
+}

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