UnityEditor.Editor.DrawHeaderHelpAndSettingsGUI C# (CSharp) Method

        internal virtual void DrawHeaderHelpAndSettingsGUI(Rect r)
        {
            Object target = this.target;
            Vector2 vector = EditorStyles.iconButton.CalcSize(EditorGUI.GUIContents.titleSettingsIcon);
            float x = vector.x;
            Rect position = new Rect(r.xMax - x, r.y + 5f, vector.x, vector.y);
            if (EditorGUI.ButtonMouseDown(position, EditorGUI.GUIContents.titleSettingsIcon, FocusType.Passive, EditorStyles.iconButton))
            {
                EditorUtility.DisplayObjectContextMenu(position, this.targets, 0);
            }
            x += vector.x;
            EditorGUI.HelpIconButton(new Rect(r.xMax - x, r.y + 5f, vector.x, vector.y), target);
        }

        internal static Rect DrawHeaderGUI(Editor editor, string header, float leftMargin)
        {
            if (Editor.s_Styles == null)
            {
                Editor.s_Styles = new Editor.Styles();
            }
            GUILayout.BeginHorizontal(Editor.s_Styles.inspectorBig, new GUILayoutOption[0]);
            GUILayout.Space(38f);
            GUILayout.BeginVertical(new GUILayoutOption[0]);
            GUILayout.Space(19f);
            GUILayout.BeginHorizontal(new GUILayoutOption[0]);
            if (leftMargin > 0f)
            {
                GUILayout.Space(leftMargin);
            }
            if (editor)
            {
                editor.OnHeaderControlsGUI();
            }
            else
            {
                EditorGUILayout.GetControlRect(new GUILayoutOption[0]);
            }
            GUILayout.EndHorizontal();
            GUILayout.EndVertical();
            GUILayout.EndHorizontal();
            Rect lastRect = GUILayoutUtility.GetLastRect();
            Rect r        = new Rect(lastRect.x + leftMargin, lastRect.y, lastRect.width - leftMargin, lastRect.height);
            Rect rect     = new Rect(r.x + 6f, r.y + 6f, 32f, 32f);

            if (editor)
            {
                editor.OnHeaderIconGUI(rect);
            }
            else
            {
                GUI.Label(rect, AssetPreview.GetMiniTypeThumbnail(typeof(UnityEngine.Object)), Editor.s_Styles.centerStyle);
            }
            if (editor)
            {
                editor.DrawPostIconContent(rect);
            }
            Rect rect2 = new Rect(r.x + 44f, r.y + 6f, r.width - 44f - 38f - 4f, 16f);

            if (editor)
            {
                editor.OnHeaderTitleGUI(rect2, header);
            }
            else
            {
                GUI.Label(rect2, header, EditorStyles.largeLabel);
            }
            if (editor)
            {
                editor.DrawHeaderHelpAndSettingsGUI(r);
            }
            Event current = Event.current;

            if (editor != null && current.type == EventType.MouseDown && current.button == 1 && r.Contains(current.mousePosition))
            {
                EditorUtility.DisplayObjectContextMenu(new Rect(current.mousePosition.x, current.mousePosition.y, 0f, 0f), editor.targets, 0);
                current.Use();
            }
            return(lastRect);
        }