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use cursive::event::{Event, Key};
use cursive::traits::*;
use cursive::views::{Dialog, EditView, OnEventView, TextArea};
use cursive::Cursive;
fn main() {
let mut siv = cursive::default();
// The main dialog will just have a textarea.
// Its size expand automatically with the content.
siv.add_layer(
Dialog::new()
.title("Describe your issue")
.padding_lrtb(1, 1, 1, 0)
.content(TextArea::new().with_name("text"))
.button("Ok", Cursive::quit),
);
// We'll add a find feature!
siv.add_layer(Dialog::info("Hint: press Ctrl-F to find in text!"));
siv.add_global_callback(Event::CtrlChar('f'), |s| {
// When Ctrl-F is pressed, show the Find popup.
// Pressing the Escape key will discard it.
s.add_layer(
OnEventView::new(
Dialog::new()
.title("Find")
.content(
EditView::new()
.on_submit(find)
.with_name("edit")
.min_width(10),
)
.button("Ok", |s| {
let text = s
.call_on_name("edit", |view: &mut EditView| {
view.get_content()
})
.unwrap();
find(s, &text);
})
.dismiss_button("Cancel"),
)
.on_event(Event::Key(Key::Esc), |s| {
s.pop_layer();
}),
)
});
siv.run();
}
fn find(siv: &mut Cursive, text: &str) {
// First, remove the find popup
siv.pop_layer();
let res = siv.call_on_name("text", |v: &mut TextArea| {
// Find the given text from the text area content
// Possible improvement: search after the current cursor.
if let Some(i) = v.get_content().find(text) {
// If we found it, move the cursor
v.set_cursor(i);
Ok(())
} else {
// Otherwise, return an error so we can show a warning.
Err(())
}
});
if let Some(Err(())) = res {
// If we didn't find anything, tell the user!
siv.add_layer(Dialog::info(format!("`{}` not found", text)));
}
}