use glib::{
prelude::*,
signal::{connect_raw, SignalHandlerId},
translate::*,
};
use std::boxed::Box as Box_;
glib::wrapper! {
#[doc(alias = "GstColorBalanceChannel")]
pub struct ColorBalanceChannel(Object<ffi::GstColorBalanceChannel, ffi::GstColorBalanceChannelClass>);
match fn {
type_ => || ffi::gst_color_balance_channel_get_type(),
}
}
impl ColorBalanceChannel {
pub const NONE: Option<&'static ColorBalanceChannel> = None;
}
unsafe impl Send for ColorBalanceChannel {}
unsafe impl Sync for ColorBalanceChannel {}
mod sealed {
pub trait Sealed {}
impl<T: super::IsA<super::ColorBalanceChannel>> Sealed for T {}
}
pub trait ColorBalanceChannelExt: IsA<ColorBalanceChannel> + sealed::Sealed + 'static {
#[doc(alias = "value-changed")]
fn connect_value_changed<F: Fn(&Self, i32) + Send + Sync + 'static>(
&self,
f: F,
) -> SignalHandlerId {
unsafe extern "C" fn value_changed_trampoline<
P: IsA<ColorBalanceChannel>,
F: Fn(&P, i32) + Send + Sync + 'static,
>(
this: *mut ffi::GstColorBalanceChannel,
value: libc::c_int,
f: glib::ffi::gpointer,
) {
let f: &F = &*(f as *const F);
f(
ColorBalanceChannel::from_glib_borrow(this).unsafe_cast_ref(),
value,
)
}
unsafe {
let f: Box_<F> = Box_::new(f);
connect_raw(
self.as_ptr() as *mut _,
b"value-changed\0".as_ptr() as *const _,
Some(std::mem::transmute::<*const (), unsafe extern "C" fn()>(
value_changed_trampoline::<Self, F> as *const (),
)),
Box_::into_raw(f),
)
}
}
}
impl<O: IsA<ColorBalanceChannel>> ColorBalanceChannelExt for O {}