86 lines
1.8 KiB
Rust
86 lines
1.8 KiB
Rust
mod input;
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mod panes;
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mod prompt;
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mod root;
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mod status;
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pub use self::{
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input::Input,
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panes::Panes,
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prompt::{Confirm, Prompt, Show},
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root::Root,
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status::Status,
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};
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use crate::{
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terminal::{Color, Rect},
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Action, Dir, Event, State,
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};
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pub enum CannotEnd {}
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pub struct CanEnd;
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pub struct Resp<CanEnd = CannotEnd> {
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should_end: Option<CanEnd>,
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pub action: Option<Action>,
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}
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impl Resp<CanEnd> {
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pub fn end(action: impl Into<Option<Action>>) -> Self {
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Self {
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should_end: Some(CanEnd),
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action: action.into(),
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}
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}
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pub fn should_end(&self) -> bool {
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self.should_end.is_some()
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}
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}
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impl<T> Resp<T> {
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pub fn handled(action: impl Into<Option<Action>>) -> Self {
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Self {
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should_end: None,
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action: action.into(),
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}
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}
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pub fn into_can_end(self) -> Resp<CanEnd> {
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Resp {
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should_end: None,
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action: self.action,
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}
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}
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}
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pub trait Element<CanEnd = CannotEnd> {
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/// Attempt to handle an event.
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///
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/// If handled, convert into a series of secondary actions.
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/// If unhandled, return the original event to be handled by a lower element.
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fn handle(&mut self, event: Event) -> Result<Resp<CanEnd>, Event>;
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}
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pub trait Visual {
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fn render(&self, state: &State, frame: &mut Rect);
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}
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pub struct Label(String);
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impl std::ops::Deref for Label {
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type Target = String;
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fn deref(&self) -> &Self::Target {
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&self.0
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}
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}
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impl Visual for Label {
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fn render(&self, state: &State, frame: &mut Rect) {
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frame.with_bg(state.theme.ui_bg).fill(' ').with(|frame| {
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for (idx, line) in self.lines().enumerate() {
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frame.text([0, idx], line.chars());
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}
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});
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}
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}
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