FullInspector.Rotorz.ReorderableList.ReorderableListControl.DoRemoveButton C# (CSharp) Method

        private bool DoRemoveButton(Rect position, bool visible)
        {
            int controlID = GUIUtility.GetControlID(FocusType.Passive);
            Vector2 mousePosition = GUIUtility.ScreenToGUIPoint(s_MousePosition);

            switch (Event.current.GetTypeForControl(controlID)) {
                case EventType.MouseDown:
                    // Do not allow button to be pressed using right mouse button
                    // since context menu should be shown instead!
                    if (GUI.enabled && Event.current.button != 1 && position.Contains(mousePosition)) {
                        GUIUtility.hotControl = controlID;
                        GUIUtility.keyboardControl = 0;
                        Event.current.Use();
                    }
                    break;

                case EventType.MouseDrag:
                    if (GUIUtility.hotControl == controlID)
                        Event.current.Use();
                    break;

                case EventType.MouseUp:
                    if (GUIUtility.hotControl == controlID) {
                        GUIUtility.hotControl = 0;

                        if (position.Contains(mousePosition)) {
                            Event.current.Use();
                            return true;
                        }
                        else {
                            Event.current.Use();
                            return false;
                        }
                    }
                    break;

                case EventType.Repaint:
                    if (visible) {
                        var content = (GUIUtility.hotControl == controlID && position.Contains(mousePosition))
                            ? s_RemoveButtonActiveContent
                            : s_RemoveButtonNormalContent;
                        removeButtonStyle.Draw(position, content, controlID);
                    }
                    break;
            }

            return false;
        }