cursive/examples/refcell_view.rs
2018-06-15 23:21:10 -07:00

48 lines
1.5 KiB
Rust

extern crate cursive;
use cursive::view::{Boxable, Identifiable};
use cursive::views::{Dialog, EditView, LinearLayout, TextView};
use cursive::Cursive;
// This example shows a way to access multiple views at the same time.
fn main() {
let mut siv = Cursive::default();
// Create a dialog with 2 edit fields, and a text view.
// The text view indicates when the 2 fields content match.
siv.add_layer(
Dialog::around(
LinearLayout::vertical()
.child(EditView::new().on_edit(on_edit).with_id("1"))
.child(EditView::new().on_edit(on_edit).with_id("2"))
.child(TextView::new("match").with_id("match"))
.fixed_width(10),
).button("Quit", Cursive::quit),
);
siv.run();
}
// Compare the content of the two edit views,
// and update the TextView accordingly.
//
// We'll ignore the `content` and `cursor` arguments,
// and directly retrieve the content from the `Cursive` root.
fn on_edit(siv: &mut Cursive, _content: &str, _cursor: usize) {
// Get handles for each view.
let edit_1 = siv.find_id::<EditView>("1").unwrap();
let edit_2 = siv.find_id::<EditView>("2").unwrap();
// Directly compare references to edit_1 and edit_2.
let matches = edit_1.get_content() == edit_2.get_content();
siv.call_on_id("match", |v: &mut TextView| {
v.set_content(if matches {
"match"
} else {
"no match"
})
});
}