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This is example is aimed at creating a github social preview image and replacing the current demo example. 
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,28 @@ | ||
| # This is a vhs script. See https://github.com/charmbracelet/vhs for more info. | ||
| # To run this script, install vhs and run `vhs ./examples/demo.tape` | ||
| Output "target/demo2.gif" | ||
| Set Theme "OceanicMaterial" | ||
| # Github social preview size (1280x640 with 80px padding) | ||
| Set Width 1280 | ||
| Set Height 640 | ||
| Set Padding 80 | ||
| Hide | ||
| Type "cargo run --example demo2" | ||
| Enter | ||
| Sleep 2s | ||
| Show | ||
| # About screen | ||
| Sleep 5s | ||
| Tab | ||
| Sleep 5s | ||
| Tab | ||
| # Trace route | ||
| Sleep 5s | ||
| Tab | ||
| # Misc | ||
| Sleep 5s | ||
| Tab | ||
| # Recipe | ||
| Sleep 5s | ||
| Tab |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,127 @@ | ||
| use std::{io::Stdout, time::Duration}; | ||
|
|
||
| use anyhow::{Context, Result}; | ||
| use crossterm::event::{Event, KeyCode, KeyEvent, KeyEventKind, KeyModifiers}; | ||
| use itertools::Itertools; | ||
| use ratatui::prelude::*; | ||
|
|
||
| use crate::{ | ||
| app_widget::AppWidget, | ||
| tabs, | ||
| tabs::{AboutTab, EmailTab, MiscWidgetsTab, RecipeTab, Tab, TracerouteTab}, | ||
| tui, | ||
| }; | ||
|
|
||
| pub struct App { | ||
| terminal: Terminal<CrosstermBackend<Stdout>>, | ||
| should_quit: bool, | ||
| tab_index: usize, | ||
| selected_index: usize, | ||
| tabs: Vec<Box<dyn Tab>>, | ||
| } | ||
|
|
||
| impl App { | ||
| pub fn new() -> Result<Self> { | ||
| let terminal = tui::create_terminal()?; | ||
| Ok(Self { | ||
| terminal, | ||
| should_quit: false, | ||
| tab_index: 0, | ||
| selected_index: 0, | ||
| tabs: vec![ | ||
| Box::new(tabs::AboutTab::new()), | ||
| Box::new(tabs::EmailTab::new(0)), | ||
| Box::new(tabs::TracerouteTab::new(0)), | ||
| Box::new(tabs::MiscWidgetsTab::new()), | ||
| Box::new(tabs::RecipeTab::new(0)), | ||
| ], | ||
| }) | ||
| } | ||
|
|
||
| pub fn run(&mut self) -> Result<()> { | ||
| tui::setup()?; | ||
| while !self.should_quit { | ||
| self.draw()?; | ||
| self.handle_events()?; | ||
| } | ||
| tui::restore()?; | ||
| Ok(()) | ||
| } | ||
|
|
||
| fn draw(&mut self) -> Result<()> { | ||
| self.terminal | ||
| .draw(|frame| { | ||
| let titles = self.tabs.iter().map(|tab| tab.title()).collect_vec(); | ||
| let tab: Box<dyn Tab> = { | ||
| // This is a bit of a hack to get around the borrow checker. | ||
| // which works because we know that the tabs are all static. | ||
| match self.tab_index { | ||
| 0 => Box::new(AboutTab::new()), | ||
| 1 => Box::new(EmailTab::new(self.selected_index)), | ||
| 2 => Box::new(TracerouteTab::new(self.selected_index)), | ||
| 3 => Box::new(MiscWidgetsTab::new()), | ||
| 4 => Box::new(RecipeTab::new(self.selected_index)), | ||
| _ => unreachable!(), | ||
| } | ||
| }; | ||
| let view = AppWidget::new(tab, self.tab_index, titles); | ||
| let area = frame.size(); | ||
| frame.render_widget(view, area) | ||
| }) | ||
| .context("terminal.draw")?; | ||
| Ok(()) | ||
| } | ||
|
|
||
| fn handle_events(&mut self) -> Result<()> { | ||
| match tui::next_event(Duration::from_millis(16))? { | ||
| Some(Event::Key(key)) => self.handle_key_event(key), | ||
| _ => Ok(()), | ||
| } | ||
| } | ||
|
|
||
| fn handle_key_event(&mut self, key: KeyEvent) -> Result<()> { | ||
| if key.kind != KeyEventKind::Press { | ||
| return Ok(()); | ||
| } | ||
| match key.code { | ||
| KeyCode::Char('q') => { | ||
| self.should_quit = true; | ||
| } | ||
| KeyCode::Tab | KeyCode::BackTab if key.modifiers.contains(KeyModifiers::SHIFT) => { | ||
| let tab_index = self.tab_index + self.tabs.len(); // to wrap around properly | ||
| self.tab_index = tab_index.saturating_sub(1) % self.tabs.len(); | ||
| self.selected_index = 0; | ||
| } | ||
| KeyCode::Tab | KeyCode::BackTab => { | ||
| self.tab_index = self.tab_index.saturating_add(1) % self.tabs.len(); | ||
| self.selected_index = 0; | ||
| } | ||
| KeyCode::Left | KeyCode::Char('h') => {} | ||
| KeyCode::Right | KeyCode::Char('l') => {} | ||
| KeyCode::Up | KeyCode::Char('k') => { | ||
| self.selected_index = self.selected_index.saturating_sub(1); | ||
| } | ||
| KeyCode::Down | KeyCode::Char('j') => { | ||
| self.selected_index = self.selected_index.saturating_add(1); | ||
| } | ||
| _ => {} | ||
| }; | ||
| Ok(()) | ||
| } | ||
| } | ||
|
|
||
| impl Drop for App { | ||
| fn drop(&mut self) { | ||
| let _ = tui::restore(); | ||
| } | ||
| } | ||
|
|
||
| pub fn install_panic_hook() { | ||
| better_panic::install(); | ||
| let hook = std::panic::take_hook(); | ||
| std::panic::set_hook(Box::new(move |info| { | ||
| let _ = tui::restore(); | ||
| hook(info); | ||
| std::process::exit(1); | ||
| })); | ||
| } |
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