Struct SinglePagerState

pub struct SinglePagerState<W>
where
    W: Eq + Hash + Clone,
{
    pub layout: Rc<RefCell<GenericLayout<W>>>,
    pub nav: PageNavigationState,
    pub non_exhaustive: NonExhaustive,
}

Widget state.

Fields

layout: Rc<RefCell<GenericLayout<W>>>

Page layout read+write renewed with each render.

nav: PageNavigationState

PageNavigationState holds most of our state. read+write

non_exhaustive: NonExhaustive

Only construct with ..Default::default().

Implementations

impl<W> SinglePagerState<W>

where W: Eq + Hash + Clone,

pub fn new() -> Self

pub fn valid_layout(&self, size: Size) -> bool

Layout needs to change?

pub fn set_layout(&mut self, layout: GenericLayout<W>)

Set the layout.

pub fn layout(&self) -> Ref<'_, GenericLayout<W>>

Layout.

pub fn clear(&mut self)

Clear the layout data and reset the page/page-count.

pub fn show(&mut self, widget: W)

Show the page for this widget.

pub fn first(&self, page: usize) -> Option<W>

Returns the first widget for the given page.

pub fn page_of(&self, widget: W) -> Option<usize>

Calculates the page of the widget.

pub fn set_page(&mut self, page: usize) -> bool

Set the visible page.

pub fn page(&self) -> usize

Visible page

pub fn next_page(&mut self) -> bool

Select next page. Keeps the page in bounds.

pub fn prev_page(&mut self) -> bool

Select prev page.

Trait Implementations

impl<W> Clone for SinglePagerState<W>

where W: Eq + Hash + Clone + Clone,

fn clone(&self) -> SinglePagerState<W>

Returns a copy of the value.

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

Performs copy-assignment from source.

impl<W> Debug for SinglePagerState<W>

where W: Eq + Hash + Clone + Debug,

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

Formats the value using the given formatter.

impl<W> Default for SinglePagerState<W>

where W: Eq + Hash + Clone,

fn default() -> Self

Returns the “default value” for a type.

impl<W> HandleEvent<Event, MouseOnly, PagerOutcome> for SinglePagerState<W>

where W: Eq + Hash + Clone,

fn handle(&mut self, event: &Event, _qualifier: MouseOnly) -> PagerOutcome

Handle an event.

impl<W> HandleEvent<Event, Regular, PagerOutcome> for SinglePagerState<W>

where W: Eq + Hash + Clone,

fn handle(&mut self, event: &Event, _qualifier: Regular) -> PagerOutcome

Handle an event.