Builtin Enums#

Enum value can be referenced by using the name of the enum and the name of the value separated by a dot. (eg: TextHorizontalAlignment.left)

The name of the enum can be omitted in bindings of the type of that enum, or if the return value of a callback is of that enum.

The default value of each enum type is always the first value.

AccessibleRole#

This enum represents the different values for the accessible-role property, used to describe the role of an element in the context of assistive technology such as screen readers.

  • none: The element isn’t accessible.

  • button: The element is a Button or behaves like one.

  • checkbox: The element is a CheckBox or behaves like one.

  • combobox: The element is a ComboBox or behaves like one.

  • slider: The element is a Slider or behaves like one.

  • spinbox: The element is a SpinBox or behaves like one.

  • tab: The element is a Tab or behaves like one.

  • text: The role for a Text element. It’s automatically applied.

DialogButtonRole#

This enum represents the value of the dialog-button-role property which can be added to any element within a Dialog to put that item in the button row, and its exact position depends on the role and the platform.

  • none: This isn’t a button meant to go into the bottom row

  • accept: This is the role of the main button to click to accept the dialog. e.g. “Ok” or “Yes”

  • reject: This is the role of the main button to click to reject the dialog. e.g. “Cancel” or “No”

  • apply: This is the role of the “Apply” button

  • reset: This is the role of the “Reset” button

  • help: This is the role of the “Help” button

  • action: This is the role of any other button that performs another action.

EventResult#

This enum describes whether an event was rejected or accepted by an event handler.

  • reject: The event is rejected by this event handler and may then be handled by the parent item

  • accept: The event is accepted and won’t be processed further

FillRule#

This enum describes the different ways of deciding what the inside of a shape described by a path shall be.

ImageFit#

This enum defines how the source image shall fit into an Image element.

  • fill: Scales and stretches the source image to fit the width and height of the Image element.

  • contain: The source image is scaled to fit into the Image element’s dimension while preserving the aspect ratio.

  • cover: The source image is scaled to cover into the Image element’s dimension while preserving the aspect ratio. If the aspect ratio of the source image doesn’t match the element’s one, then the image will be clipped to fit.

ImageRendering#

This enum specifies how the source image will be scaled.

  • smooth: The image is scaled with a linear interpolation algorithm.

  • pixelated: The image is scaled with the nearest neighbor algorithm.

InputType#

This enum is used to define the type of the input field. Currently this only differentiates between text and password inputs but in the future it could be expanded to also define what type of virtual keyboard should be shown, for example.

  • text: The default value. This will render all characters normally

  • password: This will render all characters with a character that defaults to “*”

LayoutAlignment#

Enum representing the alignment property of a HorizontalBox, a VerticalBox, a HorizontalLayout, or VerticalLayout.

  • stretch: Use the minimum size of all elements in a layout, distribute remaining space based on *-stretch among all elements.

  • center: Use the preferred size for all elements, distribute remaining space evenly before the first and after the last element.

  • start: Use the preferred size for all elements, put remaining space after the last element.

  • end: Use the preferred size for all elements, put remaining space before the first element.

  • space-between: Use the preferred size for all elements, distribute remaining space evenly between elements.

  • space-around: Use the preferred size for all elements, distribute remaining space evenly before the first element, after the last element and between elements.

MouseCursor#

This enum represents different types of mouse cursors. It’s a subset of the mouse cursors available in CSS. For details and pictograms see the MDN Documentation for cursor. Depending on the backend and used OS unidirectional resize cursors may be replaced with bidirectional ones.

  • default: The systems default cursor.

  • none: No cursor is displayed.

  • help: A cursor indicating help information.

  • pointer: A pointing hand indicating a link.

  • progress: The program is busy but can still be interacted with.

  • wait: The program is busy.

  • crosshair: A crosshair.

  • text: A cursor indicating selectable text.

  • alias: An alias or shortcut is being created.

  • copy: A copy is being created.

  • move: Something is to be moved.

  • no-drop: Something can’t be dropped here.

  • not-allowed: An action isn’t allowed

  • grab: Something is grabbable.

  • grabbing: Something is being grabbed.

  • col-resize: Indicating that a column is resizable horizontally.

  • row-resize: Indicating that a row is resizable vertically.

  • n-resize: Unidirectional resize north.

  • e-resize: Unidirectional resize east.

  • s-resize: Unidirectional resize south.

  • w-resize: Unidirectional resize west.

  • ne-resize: Unidirectional resize north-east.

  • nw-resize: Unidirectional resize north-west.

  • se-resize: Unidirectional resize south-east.

  • sw-resize: Unidirectional resize south-west.

  • ew-resize: Bidirectional resize east-west.

  • ns-resize: Bidirectional resize north-south.

  • nesw-resize: Bidirectional resize north-east-south-west.

  • nwse-resize: Bidirectional resize north-west-south-east.

PathEvent#

PathEvent is a low-level data structure describing the composition of a path. Typically it is generated at compile time from a higher-level description, such as SVG commands.

  • begin: The beginning of the path.

  • line: A straight line on the path.

  • quadratic: A quadratic bezier curve on the path.

  • cubic: A cubic bezier curve on the path.

  • end-open: The end of the path that remains open.

  • end-closed: The end of a path that is closed.

PointerEventButton#

This enum describes the different types of buttons for a pointer event, typically on a mouse or a pencil.

  • other: A button that is none of left, right or middle. For example this is used for a fourth button on a mouse with many buttons.

  • left: The left button.

  • right: The right button.

  • middle: The center button.

PointerEventKind#

The enum reports what happened to the PointerEventButton in the event

  • cancel: The action was cancelled.

  • down: The button was pressed.

  • up: The button was released.

SortOrder#

This enum represents the different values of the sort-order property. It’s used to sort a StandardTableView by a column.

  • unsorted: The column is unsorted.

  • ascending: The column is sorted in ascending order.

  • descending: The column is sorted in descending order.

StandardButtonKind#

Use this enum to add standard buttons to a Dialog. The look and positioning of these StandardButtons depends on the environment (OS, UI environment, etc.) the application runs in.

  • ok: A “OK” button that accepts a Dialog, closing it when clicked.

  • cancel: A “Cancel” button that rejects a Dialog, closing it when clicked.

  • apply: A “Apply” button that should accept values from a Dialog without closing it.

  • close: A “Close” button, which should close a Dialog without looking at values.

  • reset: A “Reset” button, which should reset the Dialog to its initial state.

  • help: A “Help” button, which should bring up context related documentation when clicked.

  • yes: A “Yes” button, used to confirm an action.

  • no: A “No” button, used to deny an action.

  • abort: A “Abort” button, used to abort an action.

  • retry: A “Retry” button, used to retry a failed action.

  • ignore: A “Ignore” button, used to ignore a failed action.

TextHorizontalAlignment#

This enum describes the different types of alignment of text along the horizontal axis of a Text element.

  • left: The text will be aligned with the left edge of the containing box.

  • center: The text will be horizontally centered within the containing box.

  • right: The text will be aligned to the right of the containing box.

TextOverflow#

This enum describes the how the text appear if it is too wide to fit in the Text width.

  • clip: The text will simply be clipped.

  • elide: The text will be elided with ….

TextVerticalAlignment#

This enum describes the different types of alignment of text along the vertical axis of a Text element.

  • top: The text will be aligned to the top of the containing box.

  • center: The text will be vertically centered within the containing box.

  • bottom: The text will be aligned to the bottom of the containing box.

TextWrap#

This enum describes the how the text wrap if it is too wide to fit in the Text width.

  • no-wrap: The text won’t wrap, but instead will overflow.

  • word-wrap: The text will be wrapped at word boundaries.