0de154194d
Reported height was `20` instead of `21`, so `area.height >= MIN_ANIMATION_HEIGHT` was `false` and therefore `show_animation` was `false`, so the animation never displayed.
92 lines
2.7 KiB
Rust
92 lines
2.7 KiB
Rust
use ratatui::buffer::Buffer;
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use ratatui::layout::Rect;
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use ratatui::prelude::Widget;
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use ratatui::style::Stylize;
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use ratatui::text::Line;
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use ratatui::widgets::Paragraph;
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use ratatui::widgets::WidgetRef;
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use ratatui::widgets::Wrap;
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use crate::frames::FRAME_TICK_DEFAULT;
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use crate::frames::FRAMES_DEFAULT;
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use crate::onboarding::onboarding_screen::StepStateProvider;
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use crate::tui::FrameRequester;
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use super::onboarding_screen::StepState;
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use std::time::Duration;
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use std::time::Instant;
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const FRAME_TICK: Duration = FRAME_TICK_DEFAULT;
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const MIN_ANIMATION_HEIGHT: u16 = 20;
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const MIN_ANIMATION_WIDTH: u16 = 60;
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pub(crate) struct WelcomeWidget {
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pub is_logged_in: bool,
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pub request_frame: FrameRequester,
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pub start: Instant,
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}
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impl WidgetRef for &WelcomeWidget {
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fn render_ref(&self, area: Rect, buf: &mut Buffer) {
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let elapsed_ms = self.start.elapsed().as_millis();
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// Align next draw to the next FRAME_TICK boundary to reduce jitter.
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{
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let tick_ms = FRAME_TICK.as_millis();
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let rem_ms = elapsed_ms % tick_ms;
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let delay_ms = if rem_ms == 0 {
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tick_ms
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} else {
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tick_ms - rem_ms
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};
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// Safe cast: delay_ms < tick_ms and FRAME_TICK is small.
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self.request_frame
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.schedule_frame_in(Duration::from_millis(delay_ms as u64));
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}
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let frames = &FRAMES_DEFAULT;
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let idx = ((elapsed_ms / FRAME_TICK.as_millis()) % frames.len() as u128) as usize;
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// Skip the animation entirely when the viewport is too small so we don't clip frames.
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let show_animation =
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area.height >= MIN_ANIMATION_HEIGHT && area.width >= MIN_ANIMATION_WIDTH;
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let mut lines: Vec<Line> = Vec::new();
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if show_animation {
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let frame_line_count = frames[idx].lines().count();
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lines.reserve(frame_line_count + 2);
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lines.extend(frames[idx].lines().map(|l| l.into()));
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lines.push("".into());
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}
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lines.push(Line::from(vec![
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" ".into(),
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"Welcome to ".into(),
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"Codex".bold(),
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", OpenAI's command-line coding agent".into(),
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]));
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Paragraph::new(lines)
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.wrap(Wrap { trim: false })
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.render(area, buf);
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}
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}
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impl StepStateProvider for WelcomeWidget {
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fn get_step_state(&self) -> StepState {
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match self.is_logged_in {
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true => StepState::Hidden,
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false => StepState::Complete,
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}
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}
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}
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#[cfg(test)]
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mod tests {
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use super::*;
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/// A number of things break down if FRAME_TICK is zero.
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#[test]
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fn frame_tick_must_be_nonzero() {
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assert!(FRAME_TICK.as_millis() > 0);
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}
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}
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