Struct Dialog 

pub struct Dialog { /* private fields */ }

A dialog wrapper that adds Esc/Enter key bindings and a footer hint.

Renders the child inside a Border::Rounded block and shows available keyboard actions in a dimmed footer line. Check Dialog::confirmed or Dialog::cancelled after interaction to respond to user choices.

Implementations

impl Dialog

pub fn new(child: impl Component + 'static) -> Self

Creates a dialog wrapping the given child component.

pub fn border(self, border: Border) -> Self

Builder: sets the border style.

pub fn style(self, style: Style) -> Self

Builder: sets the dialog style.

pub fn cancelled(&self) -> bool

Returns true if the dialog was cancelled (Esc pressed).

pub fn confirmed(&self) -> bool

Returns true if the dialog was confirmed (Enter pressed).

pub fn reset(&mut self, cx: &mut EventCx<'_>)

Resets the cancelled/confirmed state.

Trait Implementations

impl Component for Dialog

fn render(&self, cx: &mut RenderCx<'_>)

渲染组件内容

fn measure(&self, constraint: Constraint, _cx: &mut MeasureCx) -> Size

测量组件在给定约束下的自适应尺寸

fn event(&mut self, event: &Event, cx: &mut EventCx<'_>)

处理事件（可选实现）

fn layout(&mut self, rect: Rect, _cx: &mut LayoutCx<'_>)

布局回调——组件在此计算子节点 rect 并调用 child.layout()

fn for_each_child(&self, f: &mut dyn FnMut(&Node))

遍历子节点（为焦点系统等提供统一的树遍历接口）

fn for_each_child_mut(&mut self, f: &mut dyn FnMut(&mut Node))

遍历子节点（可变版本）

fn focusable(&self) -> bool

是否可聚焦（Tab 导航会跳过不可聚焦的组件）

fn style(&self) -> Style

返回组件样式（可选实现）

fn mount(&mut self, _cx: &mut EventCx<'_>)

首次挂载（初始化后调用）

fn unmount(&mut self, _cx: &mut EventCx<'_>)

从树卸载（退出前调用）

fn update(&mut self, _cx: &mut EventCx<'_>)

每次事件分发前调用

fn type_name(&self) -> &str

组件类型名（用于样式表类型选择器匹配）

fn id(&self) -> Option<&str>

组件 ID（用于样式表 #id 选择器匹配）

fn class(&self) -> Option<&str>

组件 class（用于样式表 .class 选择器匹配）