版本：0.1.x

Full builtin fields list

on_pointer_down : [impl FnMut(& mut PointerEvent)]
- specify the event handler for the pointer down event in bubble phase.
on_pointer_down_capture : [impl FnMut(& mut PointerEvent)]
- specify the event handler for the pointer down event in capture phase.
on_pointer_up : [impl FnMut(& mut PointerEvent)]
- specify the event handler for the pointer up event in bubble phase.
on_pointer_up_capture : [impl FnMut(& mut PointerEvent)]
- specify the event handler for the pointer up event in capture phase.
on_pointer_move : [impl FnMut(& mut PointerEvent)]
- specify the event handler for the pointer move event in bubble phase.
on_pointer_move_capture : [impl FnMut(& mut PointerEvent)]
- specify the event handler for the pointer move event in capture phase.
on_pointer_cancel : [impl FnMut(& mut PointerEvent)]
- specify the event handler to process pointer cancel event.
on_pointer_enter : [impl FnMut(& mut PointerEvent)]
- specify the event handler when pointer enter this widget.
on_pointer_leave : [impl FnMut(& mut PointerEvent)]
- specify the event handler when pointer leave this widget.
on_tap : [impl FnMut(& mut PointerEvent)]
- specify the event handler for the pointer tap event in bubble phase.
on_tap_capture : [impl FnMut(& mut PointerEvent)]
- specify the event handler for the pointer tap event in capture phase.
on_double_tap : [Box < dyn for < 'r > FnMut(& 'r mut PointerEvent) >]
- specify the event handler for the pointer double tap event in bubble phase.
on_double_tap_capture : [Box < dyn for < 'r > FnMut(& 'r mut PointerEvent) >]
- specify the event handler for the pointer double tap event in capture phase.
on_triple_tap : [Box < dyn for < 'r > FnMut(& 'r mut PointerEvent) >]
- specify the event handler for the pointer triple tap event in bubble phase.
on_triple_tap_capture : [Box < dyn for < 'r > FnMut(& 'r mut PointerEvent) >]
- specify the event handler for the pointer triple tap event in capture phase.
on_x_times_tap : [(usize, Box < dyn for < 'r > FnMut(& 'r mut PointerEvent) >)]
- specify the event handler for the pointer x times tap event in bubble phase.
on_x_times_tap_capture : [(usize, Box < dyn for < 'r > FnMut(& 'r mut PointerEvent) >)]
- specify the event handler for the pointer x times tap event in capture phase.
auto_focus : [bool]
- Indicates whether the widget should automatically get focus when the window loads.
tab_index : [i16]
- indicates that widget can be focused, and where it participates in sequential keyboard navigation (usually with the Tab key, hence the name.
on_focus : [impl FnMut(& mut FocusEvent)]
- specify the event handler to process focus event.
on_blur : [impl FnMut(& mut FocusEvent)]
- specify the event handler to process blur event.
on_focus_in : [impl FnMut(& mut FocusEvent)]
- specify the event handler to process focusin event in bubble phase.
on_focus_in_capture : [impl FnMut(& mut FocusEvent)]
- specify the event handler to process focusin event in capture phase.
on_focus_out : [impl FnMut(& mut FocusEvent)]
- specify the event handler to process focusout event in bubble phase.
on_focus_out_capture : [impl FnMut(& mut FocusEvent)]
- specify the event handler to process focusout event in capture phase.
on_key_down_capture : [impl FnMut(& mut KeyboardEvent)]
- specify the event handler when keyboard press down in capture phase.
on_key_down : [impl FnMut(& mut KeyboardEvent)]
- specify the event handler when keyboard press down in bubble phase.
on_key_up : [impl FnMut(& mut KeyboardEvent)]
- specify the event handler when a key is released in bubble phase.
on_key_up_capture : [impl FnMut(& mut KeyboardEvent)]
- specify the event handler when a key is released in capture phase.
on_chars : [impl FnMut(& mut CharsEvent)]
- specify the event handler when received unicode characters in bubble phase.
on_chars_capture : [impl FnMut(& mut CharsEvent)]
- specify the event handler when received unicode characters in capture phase.
on_ime_pre_edit : [impl FnMut(& mut ImePreEditEvent)]
- specify the event handler when received unicode characters in ime pre edit bubble phase.
on_ime_pre_edit_capture : [impl FnMut(& mut ImePreEditEvent)]
- specify the event handler when received unicode characters in ime pre edit capture phase.
on_wheel : [impl FnMut(& mut WheelEvent)]
- specify the event handler when user moving a mouse wheel or similar input device in bubble phase.
on_wheel_capture : [impl FnMut(& mut WheelEvent)]
- specify the event handler when user moving a mouse wheel or similar input device in capture phase.
box_fit : [BoxFit]
- set how its child should be resized to its box.
background : [Brush]
- specify the background of the widget box.
border : [Border]
- specify the border of the widget which draw above the background
border_radius : [Radius]
- specify how rounded the corners have of the widget.
padding : [EdgeInsets]
- set the padding area on all four sides of a widget.
global_anchor : [Anchor]
- use to anchor child position, and the positioning used is relative to the window
cursor : [CursorIcon]
- assign cursor to the widget.
margin : [impl EdgeInsets]
- expand space around widget wrapped.
scrollable : [Scrollable]
- enumerate to describe which direction allow widget to scroll.
scroll_pos : [Point]
- specify the scroll position of this widget, also means that the host widget scrollable.
transform : [Transform]
- A widget that applies a transformation its child. Doesn't change size, only apply painting
h_align : [HAlign]
- describe how widget align to its box in x-axis.
v_align : [VAlign]
- describe how widget align to its box in y-axis.
anchor : [Anchor]
- use to anchor child position, and the positioning used is relative to the parent
visible : [bool]
- Whether to show or hide a child
opacity : [f32]
- Opacity is the degree to which content behind an element is hidden, and is the opposite of transparency.
on_mounted : [Box < dyn for < 'r > FnMut(LifeCycleCtx < 'r >, MountedType) >]
- action perform after widget be added to the widget tree.
on_disposed : [Box < dyn for < 'r > FnMut(LifeCycleCtx < 'r >, DisposedType) >]
- action perform after widget remove from widget tree.
on_performed_layout : [impl FnMut(& mut PointerEvent)]
- specify the event handler for the pointer down event in bubble phase.
lifecycle_stream : [LifecycleSubject]
- return the stream of lifecycle.
delay_drop_until : [bool]
- The widget delay the drop of its child until the field delay_drop_until is false, but not affect its dispose event emit time. It's useful to ensure the disappear-animate display fully.
fn lazy_host_id(& self) -> LazyWidgetId
- Return the LazyWidgetId of the host widget, through which you can access the WidgetId after building.
fn lazy_id(& self) -> LazyWidgetId
- Return the LazyWidgetId of the external widget (wrapped with the built-in host), through which you can access the WidgetId after building.
fn double_tap_stream(& self,) -> FilterMapOp < MutRefItemSubject < 'static, PointerEvent, () >, impl FnMut(& mut PointerEvent) -> Option < & mut PointerEvent >, & mut PointerEvent, >
- Return an observable stream of double tap event in bubble phase.
fn triple_tap_stream(& self,) -> FilterMapOp < MutRefItemSubject < 'static, PointerEvent, () >, impl FnMut(& mut PointerEvent) -> Option < & mut PointerEvent >, & mut PointerEvent, >
- Return an observable stream of tripe tap event in bubble phase.
fn x_times_tap_stream(& self, x : usize, dur : Duration,) -> FilterMapOp < MutRefItemSubject < 'static, PointerEvent, () >, impl FnMut(& mut PointerEvent) -> Option < & mut PointerEvent >, & mut PointerEvent, >
- Return an observable stream of x-tap event that user tapped 'x' times in the specify duration dur in bubble phase.
`fn tap_capture_stream(& self) -> MutRefItemSubject < 'static, PointerEvent, ()

`

return an observable stream of the pointer tap event in capture phase.
fn double_tap_capture_stream(& self,) -> FilterMapOp < MutRefItemSubject < 'static, PointerEvent, () >, impl FnMut(& mut PointerEvent) -> Option < & mut PointerEvent >, & mut PointerEvent, >
- return an observable stream of double tap event in capture phase.
fn triple_tap_capture_stream(& self,) -> FilterMapOp < MutRefItemSubject < 'static, PointerEvent, () >, impl FnMut(& mut PointerEvent) -> Option < & mut PointerEvent >, & mut PointerEvent, >
- Return an observable stream of tripe tap event in capture phase.
fn x_times_tap_capture_stream(& self, x : usize, dur : Duration,) -> FilterMapOp < MutRefItemSubject < 'static, PointerEvent, () >, impl FnMut(& mut PointerEvent) -> Option < & mut PointerEvent >, & mut PointerEvent, >
- Return an observable stream of x-tap event that user tapped 'x' times in the specify duration dur in capture phase.
fn pointer_stream(& self) -> PointerSubject
- return the stream include all pointer events.
fn request_focus(& self)
- request the this node to be focused.
fn unfocus(& self)
- removes the focus from this node.
fn focus_stream(& self) -> MutRefItemSubject < 'static, FocusEvent, () >
- Return the stream include all focus and blur events.
`fn focus_bubble_stream(& self) -> MutRefItemSubject < 'static, FocusEvent, ()

`

Return the stream include all focus in/out related events.
fn has_focus(& self) -> bool
- return if the widget has focus.
fn keyboard_stream(& self) -> KeyboardSubject
- return the stream include all keyboard events.
fn chars_stream(& self) -> CharsSubject
- return the stream include all chars events.
fn wheel_stream(& self) -> MutRefItemSubject < 'static, WheelEvent, () >
- return the stream include all wheel events.
fn mouse_hover(& self) -> bool
- return if the pointer is hover on the widget
fn pointer_pressed(& self) -> bool
- return if the widget is pressed
fn layout_rect(& self) -> Rect
- return the rect after layout of the widget
fn layout_pos(& self) -> Point
- return the position relative to parent after layout of the widget
fn layout_size(& self) -> Size
- return the size after layout of the widget
fn layout_left(& self) -> f32
- return the left position relative parent after layout of the widget
fn layout_top(& self) -> f32
- return the top position relative parent after layout of the widget
fn layout_width(& self) -> f32
- return the width after layout of the widget
fn layout_height(& self) -> f32
- return the height after layout of the widget
fn scroll_view_size(& self) -> Size
- return the scroll view of the scrollable widget
fn scroll_content_size(& self) -> Size
- return the content widget size of the scrollable widget.
fn jump_to(& mut self, left_top : Point)
- jump to the special position.