mirror of https://github.com/fdehau/tui-rs
Add example for implementing a custom widget
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extern crate tui;
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use tui::Terminal;
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use tui::widgets::Widget;
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use tui::buffer::Buffer;
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use tui::layout::Rect;
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use tui::style::Color;
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struct Label<'a> {
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text: &'a str,
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}
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impl<'a> Default for Label<'a> {
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fn default() -> Label<'a> {
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Label { text: "" }
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}
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}
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impl<'a> Widget for Label<'a> {
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fn draw(&self, area: &Rect, buf: &mut Buffer) {
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buf.set_string(area.left(),
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area.top(),
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self.text,
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Color::Reset,
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Color::Reset);
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}
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}
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impl<'a> Label<'a> {
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fn text(&mut self, text: &'a str) -> &mut Label<'a> {
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self.text = text;
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self
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}
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}
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fn main() {
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let mut terminal = Terminal::new().unwrap();
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terminal.clear();
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Label::default().text("Test").render(&Terminal::size().unwrap(), &mut terminal);
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terminal.finish();
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}
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