82 lines
2.2 KiB
Rust
82 lines
2.2 KiB
Rust
use iced::highlighter;
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use iced::widget::{self, markdown, row, scrollable, text_editor};
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use iced::{Element, Fill, Font, Task, Theme};
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pub fn main() -> iced::Result {
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iced::application("Markdown - Iced", Markdown::update, Markdown::view)
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.theme(Markdown::theme)
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.run_with(Markdown::new)
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}
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struct Markdown {
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content: text_editor::Content,
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items: Vec<markdown::Item>,
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theme: Theme,
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}
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#[derive(Debug, Clone)]
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enum Message {
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Edit(text_editor::Action),
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LinkClicked(markdown::Url),
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}
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impl Markdown {
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fn new() -> (Self, Task<Message>) {
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const INITIAL_CONTENT: &str = include_str!("../overview.md");
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let theme = Theme::TokyoNight;
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(
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Self {
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content: text_editor::Content::with_text(INITIAL_CONTENT),
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items: markdown::parse(INITIAL_CONTENT, theme.palette())
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.collect(),
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theme,
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},
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widget::focus_next(),
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)
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}
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fn update(&mut self, message: Message) {
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match message {
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Message::Edit(action) => {
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let is_edit = action.is_edit();
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self.content.perform(action);
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if is_edit {
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self.items = markdown::parse(
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&self.content.text(),
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self.theme.palette(),
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)
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.collect();
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}
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}
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Message::LinkClicked(link) => {
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let _ = open::that_in_background(link.to_string());
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}
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}
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}
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fn view(&self) -> Element<Message> {
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let editor = text_editor(&self.content)
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.placeholder("Type your Markdown here...")
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.on_action(Message::Edit)
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.height(Fill)
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.padding(10)
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.font(Font::MONOSPACE)
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.highlight("markdown", highlighter::Theme::Base16Ocean);
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let preview = markdown(&self.items, markdown::Settings::default())
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.map(Message::LinkClicked);
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row![editor, scrollable(preview).spacing(10).height(Fill)]
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.spacing(10)
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.padding(10)
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.into()
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}
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fn theme(&self) -> Theme {
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self.theme.clone()
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}
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}
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