public GUIAnimFieldEntry(GUIAnimFieldLayouts layouts, string path, bool child, int indentAmount)
        {
            this.path = path;

            GUILayoutX toggleLayout = layouts.main.AddLayoutX();

            toggleLayout.AddSpace(indentAmount);

            selectionBtn          = new GUIButton(GetDisplayName(path, child), EditorStyles.Label, GUIOption.FlexibleWidth());
            selectionBtn.OnClick += () =>
            {
                OnEntrySelected?.Invoke(path);
            };

            toggleLayout.AddElement(selectionBtn);

            entryHeight = selectionBtn.Bounds.height;

            backgroundTexture = new GUITexture(Builtin.WhiteTexture, GUITextureScaleMode.StretchToFit,
                                               GUIOption.FlexibleWidth());
            backgroundTexture.SetTint(Color.Transparent);
            backgroundTexture.SetHeight(entryHeight);

            layouts.background.AddElement(backgroundTexture);
        }
        private void OnInitialize()
        {
            guiOK     = new GUIButton(new LocEdString("OK"));
            guiCancel = new GUIButton(new LocEdString("Cancel"));

            guiOK.OnClick     += OnOK;
            guiCancel.OnClick += OnCancel;

            GUILayout mainVertLayout = GUI.AddLayoutY();

            mainVertLayout.AddSpace(10);

            GUILayout editorHorzLayout = mainVertLayout.AddLayoutX();

            editorHorzLayout.AddSpace(EDITOR_HORZ_PADDING);
            GUIPanel gradientEditorPanel = editorHorzLayout.AddPanel();

            editorHorzLayout.AddSpace(EDITOR_HORZ_PADDING);

            mainVertLayout.AddSpace(15);

            GUILayout buttonHorzLayout = mainVertLayout.AddLayoutX();

            buttonHorzLayout.AddFlexibleSpace();
            buttonHorzLayout.AddElement(guiOK);
            buttonHorzLayout.AddSpace(10);
            buttonHorzLayout.AddElement(guiCancel);
            buttonHorzLayout.AddFlexibleSpace();

            mainVertLayout.AddFlexibleSpace();

            editorPanel = gradientEditorPanel.AddPanel(0);
            GUIPanel editorOverlay = gradientEditorPanel.AddPanel(-1);

            overlayCanvas = new GUICanvas();
            editorOverlay.AddElement(overlayCanvas);

            GUILayout editorVertLayout = editorPanel.AddLayoutY();

            GUILayout guiGradientLayout = editorVertLayout.AddLayoutX();

            guiGradientLayout.AddSpace(GradientKeyEditor.RECT_WIDTH / 2);

            texture       = Texture.Create2D(TEX_WIDTH, TEX_HEIGHT);
            spriteTexture = new SpriteTexture(texture);

            guiGradientTexture = new GUITexture(spriteTexture, GUITextureScaleMode.StretchToFit);
            guiGradientTexture.SetHeight(30);

            UpdateTexture();

            guiGradientLayout.AddElement(guiGradientTexture);
            guiGradientLayout.AddSpace(GradientKeyEditor.RECT_WIDTH / 2);

            editorVertLayout.AddSpace(10);

            editor = new GradientKeyEditor(editorVertLayout, gradient.GetKeys(), Width - EDITOR_HORZ_PADDING * 2, 20);
            editor.OnGradientModified += colorGradient =>
            {
                gradient = colorGradient;

                UpdateTexture();
                UpdateKeyLines();
            };

            editorVertLayout.AddFlexibleSpace();

            GUITexture containerBg     = new GUITexture(null, EditorStylesInternal.ContainerBg);
            Rect2I     containerBounds = editor.GetBounds(GUI);

            containerBounds.x      -= 2;
            containerBounds.y      -= 2;
            containerBounds.width  += 4;
            containerBounds.height += 6;
            containerBg.Bounds      = containerBounds;

            GUIPanel editorUnderlay = GUI.AddPanel(1);

            editorUnderlay.AddElement(containerBg);

            UpdateKeyLines();

            EditorInput.OnPointerPressed     += OnPointerPressed;
            EditorInput.OnPointerDoubleClick += OnPointerDoubleClicked;
            EditorInput.OnPointerMoved       += OnPointerMoved;
            EditorInput.OnPointerReleased    += OnPointerReleased;
            EditorInput.OnButtonUp           += OnButtonUp;
        }