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|
use textmode::Textmode as _;
pub struct Display {
current_frame: usize,
total_frames: usize,
done_loading: bool,
paused: bool,
show_ui: bool,
show_help: bool,
}
impl Display {
pub fn new() -> Self {
Self {
current_frame: 0,
total_frames: 0,
done_loading: false,
paused: false,
show_ui: true,
show_help: false,
}
}
pub fn current_frame(&mut self, idx: usize) {
self.current_frame = idx;
}
pub fn total_frames(&mut self, n: usize) {
self.total_frames = n;
}
pub fn done_loading(&mut self) {
self.done_loading = true;
}
pub fn paused(&mut self, paused: bool) {
self.paused = paused;
}
pub fn toggle_ui(&mut self) {
self.show_ui = !self.show_ui;
}
pub fn toggle_help(&mut self) {
self.show_help = !self.show_help;
}
pub async fn render(
&self,
screen: &vt100::Screen,
output: &mut textmode::Output,
) -> anyhow::Result<()> {
output.clear();
output.move_to(0, 0);
output.write(&screen.contents_formatted());
if self.paused && self.show_ui {
let pos = output.screen().cursor_position();
output.move_to(0, 0);
output.reset_attributes();
output.set_fgcolor(textmode::color::BLACK);
if self.done_loading {
output.set_bgcolor(textmode::color::CYAN);
} else {
output.set_bgcolor(textmode::color::RED);
}
output.write_str(&format!(
" {}/{} ",
self.current_frame + 1,
self.total_frames
));
let size = output.screen().size();
output.move_to(0, size.1 - 1);
output.reset_attributes();
output.set_fgcolor(textmode::color::BLACK);
output.set_bgcolor(textmode::color::RED);
output.write_str("\u{23f8}");
if self.show_help {
output.reset_attributes();
output.set_fgcolor(textmode::color::BLACK);
output.set_bgcolor(textmode::color::CYAN);
output.move_to(size.0 - 12, size.1 - 23);
output.write_str(" keys ");
output.move_to(size.0 - 11, size.1 - 23);
output.write_str(" q: quit ");
output.move_to(size.0 - 10, size.1 - 23);
output.write_str(" space: pause/unpause ");
output.move_to(size.0 - 9, size.1 - 23);
output.write_str(" tab: hide/show ui ");
output.move_to(size.0 - 8, size.1 - 23);
output.write_str(" h/p: previous frame ");
output.move_to(size.0 - 7, size.1 - 23);
output.write_str(" l/n: next frame ");
output.move_to(size.0 - 6, size.1 - 23);
output.write_str(" g/0: first frame ");
output.move_to(size.0 - 5, size.1 - 23);
output.write_str(" G/$: last frame ");
output.move_to(size.0 - 4, size.1 - 23);
output.write_str(" +: increase speed ");
output.move_to(size.0 - 3, size.1 - 23);
output.write_str(" -: decrease speed ");
output.move_to(size.0 - 2, size.1 - 23);
output.write_str(" =: normal speed ");
output.move_to(size.0 - 1, size.1 - 23);
output.write_str(" ?: hide/show help ");
}
output.reset_attributes();
output.move_to(pos.0, pos.1);
}
output.refresh().await?;
Ok(())
}
}
|
