Struct Button 

pub struct Button { /* private fields */ }

Clickable button widget.

Implementations

impl Button

pub fn new(text: impl Into<String>, bounds: Rect) -> Self

Create a new button with the provided label text.

pub fn style(&self) -> &Style

Immutable access to the button’s style.

pub fn style_mut(&mut self) -> &mut Style

Mutable access to the button’s style.

pub fn set_text(&mut self, text: impl Into<String>)

Update the label displayed on the button.

pub fn text(&self) -> &str

Retrieve the current button label.

pub fn set_on_click<F: FnMut(&mut Self) + 'static>(&mut self, handler: F)

Register a callback invoked when the button is released.

Trait Implementations

impl Widget for Button

fn handle_event(&mut self, event: &Event) -> bool

Delegate pointer events and invoke the click handler when released.

fn bounds(&self) -> Rect

Return the area this widget occupies relative to its parent.

fn draw(&self, renderer: &mut dyn Renderer)

Render the widget using the provided Renderer.

fn clear_region(&mut self) -> Option<Rect>

Return a region (in draw/landscape coordinates) that should be restored from the pristine background copy, or None.

fn set_bounds(&mut self, _bounds: Rect)

Called by the LPAR-10 layout pass to notify this widget of its layout-computed bounds.

fn widget_font_mut(&mut self) -> Option<&mut WidgetFont>

Expose this widget’s font slot for cascade-driven font resolution (FONT-05 §5.B).