gtk4/application.rs
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// Take a look at the license at the top of the repository in the LICENSE file.
use std::{cell::RefCell, rc::Rc};
use gio::ApplicationFlags;
use glib::{signal::SignalHandlerId, translate::*};
use crate::{prelude::*, rt, Application};
impl Application {
#[doc(alias = "gtk_application_new")]
pub fn new(application_id: impl IntoOptionalGStr, flags: ApplicationFlags) -> Self {
skip_assert_initialized!();
let app: Application = unsafe {
application_id.run_with_gstr(|application_id| {
from_glib_full(crate::ffi::gtk_application_new(
application_id.to_glib_none().0,
flags.into_glib(),
))
})
};
Self::register_startup_hook(&app);
app
}
pub(crate) fn register_startup_hook(app: &Application) {
skip_assert_initialized!();
let signalid: Rc<RefCell<Option<SignalHandlerId>>> = Rc::new(RefCell::new(None));
{
let signalid_ = signalid.clone();
let id = app.connect_startup(move |app| {
app.disconnect(
signalid_
.borrow_mut()
.take()
.expect("Signal ID went missing"),
);
unsafe { rt::set_initialized() }
});
*signalid.borrow_mut() = Some(id);
}
}
}
impl Default for Application {
fn default() -> Self {
let app = glib::object::Object::new::<Self>();
Self::register_startup_hook(&app);
app
}
}