Struct kas::widget::Filler

pub struct Filler { /* fields omitted */ }

A space filler

This widget has zero minimum size but can expand according to the given stretch policy.

Methods

impl Filler

pub fn new() -> Self

Construct a filler with policy StretchPolicy::Filler

pub fn maximise() -> Self

Construct a filler with policy StretchPolicy::Maximise

pub fn with_policy(policy: StretchPolicy) -> Self

Construct with a custom stretch policy

Trait Implementations

impl Clone for Filler

fn clone(&self) -> Filler

Returns a copy of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for Filler

fn fmt(&self, f: &mut Formatter) -> Result

Formats the value using the given formatter.

impl Default for Filler

fn default() -> Filler

Returns the "default value" for a type.

impl Handler for Filler

type Msg = VoidMsg

Type of message returned by this widget

fn activation_via_press(&self) -> bool

Generic handler: translate presses to activations

fn handle(&mut self, _: &mut Manager, event: Event) -> Response<Self::Msg>

Handle an event and return a user-defined message

impl Layout for Filler

fn size_rules(&mut self, _: &mut dyn SizeHandle, _: AxisInfo) -> SizeRules

Get size rules for the given axis

fn draw(&self, _: &mut dyn DrawHandle, _: &ManagerState, _: bool)

Draw a widget and its children

fn set_rect(&mut self, rect: Rect, _align: AlignHints)

Apply a given rect to self

fn translation(&self, _child_index: usize) -> Coord

Get translation of a child

fn spatial_range(&self) -> (usize, usize)

Iterate through children in spatial order

fn find_id(&self, coord: Coord) -> Option<WidgetId>

Find a widget by coordinate

impl SendEvent for Filler

fn send(
    &mut self,
    mgr: &mut Manager,
    id: WidgetId,
    event: Event
) -> Response<Self::Msg>

Send an event

impl Widget for Filler

impl WidgetChildren for Filler

fn len(&self) -> usize

Get the number of child widgets

fn get(&self, _index: usize) -> Option<&dyn WidgetConfig>

Get a reference to a child widget by index, or None if the index is out of bounds.

fn get_mut(&mut self, _index: usize) -> Option<&mut dyn WidgetConfig>

Mutable variant of get

fn is_ancestor_of(&self, id: WidgetId) -> bool

Check whether id is a descendant

fn find(&self, id: WidgetId) -> Option<&dyn WidgetConfig>

Find a child widget by identifier

fn find_mut(&mut self, id: WidgetId) -> Option<&mut dyn WidgetConfig>

Find a child widget by identifier

fn walk(&self, f: &mut dyn FnMut(&dyn WidgetConfig))

Walk through all widgets, calling f once on each.

fn walk_mut(&mut self, f: &mut dyn FnMut(&mut dyn WidgetConfig))

Walk through all widgets, calling f once on each.

impl WidgetConfig for Filler

fn key_nav(&self) -> bool

Is this widget navigable via Tab key?

fn cursor_icon(&self) -> CursorIcon

Which cursor icon should be used on hover?

fn configure(&mut self, _: &mut Manager)

Configure widget

fn configure_recurse<'a, 'b>(&mut self, cmgr: ConfigureManager<'a, 'b>)

Configure self and children

impl WidgetCore for Filler

fn as_any(&self) -> &dyn Any

Get self as type Any

fn as_any_mut(&mut self) -> &mut dyn Any

Get self as type Any (mutable)

fn core_data(&self) -> &CoreData

Get direct access to the CoreData providing property storage.

fn core_data_mut(&mut self) -> &mut CoreData

fn widget_name(&self) -> &'static str

Get the name of the widget struct

fn as_widget(&self) -> &dyn WidgetConfig

Erase type

fn as_widget_mut(&mut self) -> &mut dyn WidgetConfig

Erase type

fn id(&self) -> WidgetId

Get the widget's numeric identifier

fn is_disabled(&self) -> bool

Get whether the widget is disabled

fn set_disabled(&mut self, disabled: bool) -> TkAction

Get the disabled state of a widget

fn rect(&self) -> Rect

Get the widget's region, relative to its parent.

fn input_state(&self, mgr: &ManagerState, disabled: bool) -> InputState

Construct InputState