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use crate::Menu;
use crate::Widget;
use glib::object::Cast;
use glib::translate::*;
use glib::IsA;
use libc::c_int;
use std::boxed::Box as Box_;
use std::ptr;
pub trait GtkMenuExtManual: 'static {
#[doc(alias = "gtk_menu_popup")]
fn popup<T: IsA<Widget>, U: IsA<Widget>, F: Fn(&Self, &mut i32, &mut i32) -> bool + 'static>(
&self,
parent_menu_shell: Option<&T>,
parent_menu_item: Option<&U>,
f: F,
button: u32,
activate_time: u32,
);
#[doc(alias = "gtk_menu_popup_easy")]
fn popup_easy(&self, button: u32, activate_time: u32);
}
impl<O: IsA<Menu>> GtkMenuExtManual for O {
fn popup<
T: IsA<Widget>,
U: IsA<Widget>,
F: FnOnce(&Self, &mut i32, &mut i32) -> bool + 'static,
>(
&self,
parent_menu_shell: Option<&T>,
parent_menu_item: Option<&U>,
f: F,
button: u32,
activate_time: u32,
) {
unsafe extern "C" fn position_callback<
T,
F: FnOnce(&T, &mut i32, &mut i32) -> bool + 'static,
>(
this: *mut ffi::GtkMenu,
x: *mut c_int,
y: *mut c_int,
push_in: *mut glib::ffi::gboolean,
f: glib::ffi::gpointer,
) where
T: IsA<Menu>,
{
let mut f: Box<Option<F>> = Box::from_raw(f as *mut _);
let f = f.take().expect("No callback");
*push_in = f(
&Menu::from_glib_none(this).unsafe_cast(),
x.as_mut().unwrap(),
y.as_mut().unwrap(),
)
.into_glib();
}
unsafe {
let f: Box_<Option<F>> = Box_::new(Some(f));
ffi::gtk_menu_popup(
self.as_ref().to_glib_none().0,
parent_menu_shell.map(|p| p.as_ref()).to_glib_none().0,
parent_menu_item.map(|p| p.as_ref()).to_glib_none().0,
Some(position_callback::<Self, F>),
Box_::into_raw(f) as *mut _,
button,
activate_time,
)
}
}
fn popup_easy(&self, button: u32, activate_time: u32) {
unsafe {
ffi::gtk_menu_popup(
self.as_ref().to_glib_none().0,
ptr::null_mut(),
ptr::null_mut(),
None,
ptr::null_mut(),
button,
activate_time,
)
}
}
}