ratatui/examples/custom_widget.rs
2017-09-07 08:32:08 +02:00

39 lines
866 B
Rust

extern crate tui;
use tui::Terminal;
use tui::backend::MouseBackend;
use tui::widgets::Widget;
use tui::buffer::Buffer;
use tui::layout::Rect;
use tui::style::Style;
struct Label<'a> {
text: &'a str,
}
impl<'a> Default for Label<'a> {
fn default() -> Label<'a> {
Label { text: "" }
}
}
impl<'a> Widget for Label<'a> {
fn draw(&self, area: &Rect, buf: &mut Buffer) {
buf.set_string(area.left(), area.top(), self.text, &Style::default());
}
}
impl<'a> Label<'a> {
fn text(&mut self, text: &'a str) -> &mut Label<'a> {
self.text = text;
self
}
}
fn main() {
let mut terminal = Terminal::new(MouseBackend::new().unwrap()).unwrap();
let size = terminal.size().unwrap();
terminal.clear().unwrap();
Label::default().text("Test").render(&mut terminal, &size);
terminal.draw().unwrap();
}