cursive/examples/mutation.rs

35 lines
1.2 KiB
Rust
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extern crate cursive;
use cursive::Cursive;
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use cursive::view::{IdView,TextView,Dialog,Selector,KeyEventView};
fn show_popup(siv: &mut Cursive) {
siv.add_layer(Dialog::new(TextView::new("Tak!"))
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.button("Change", |s| {
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// Look for a view tagged "text". We _know_ it's there, so unwrap it.
let view = s.find::<TextView>(&Selector::Id("text")).unwrap();
let content: String = view.get_content().chars().rev().collect();
view.set_content(&content);
})
.dismiss_button("Ok"));
}
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fn main() {
let mut siv = Cursive::new();
let content = "Press Q to quit the application.\n\nPress P to open the popup.";
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siv.add_global_callback('q' as i32, |s| s.quit());
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// Let's wrap the view to give it a recognizable ID, so we can look for it.
// We add the P callback on the textview only (and not globally),
// so that we can't call it when the popup is already visible.
siv.add_layer(KeyEventView::new(IdView::new("text", TextView::new(content)))
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.register('p' as i32, |s| show_popup(s)));
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siv.run();
}