72 lines
1.3 KiB
Rust
72 lines
1.3 KiB
Rust
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use crate::app::Message;
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use crate::app::Element;
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use iced::widget::text_input::{self, TextInput};
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use iced::widget::scrollable::{self, Scrollable};
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#[derive(Clone, Debug)]
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pub struct Lyrics {
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lines: Vec<Lyric>,
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scroll_state: scrollable::State,
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}
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impl Lyrics {
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pub fn new() -> Self {
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Lyrics {
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lines: vec![Lyric::new(0)],
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scroll_state: scrollable::State::new()
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}
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}
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pub fn update(&mut self, message: &Message) {
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self.lines.iter_mut()
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.for_each(|l| l.update(message));
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}
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pub fn view(&mut self) -> Element<Message> {
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self.lines.iter_mut()
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.map(Lyric::view)
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.fold(Scrollable::new(&mut self.scroll_state), |s, l| s.push(l))
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.into()
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}
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}
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#[derive(Clone, Debug)]
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pub struct Lyric {
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state: text_input::State,
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value: String,
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line_no: usize,
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}
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impl Lyric {
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pub fn new(line_no: usize) -> Self {
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Lyric {
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state: text_input::State::new(),
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value: String::with_capacity(70),
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line_no,
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}
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}
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pub fn view(&mut self) -> Element<Message> {
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let line_no = self.line_no;
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TextInput::new(
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&mut self.state,
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"",
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&self.value,
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move|new_value| Message::LyricChanged { line_no, new_value },
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)
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.into()
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}
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pub fn update(&mut self, message: &Message) {
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match message {
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Message::LyricChanged {
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line_no, new_value,
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} if *line_no == self.line_no => {
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self.value = new_value.clone();
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},
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_ => {},
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}
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}
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}
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