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use crate::{Action, Actor, ActorMeta, GestureAction};
use glib::{
object as gobject,
object::{Cast, IsA},
signal::{connect_raw, SignalHandlerId},
translate::*,
};
use std::boxed::Box as Box_;
use std::{fmt, mem::transmute};
glib_wrapper! {
pub struct TapAction(Object<ffi::ClutterTapAction, ffi::ClutterTapActionClass, TapActionClass>) @extends GestureAction, Action, ActorMeta, gobject::InitiallyUnowned;
match fn {
get_type => || ffi::clutter_tap_action_get_type(),
}
}
impl TapAction {
pub fn new() -> TapAction {
unsafe { Action::from_glib_none(ffi::clutter_tap_action_new()).unsafe_cast() }
}
}
impl Default for TapAction {
fn default() -> Self {
Self::new()
}
}
pub trait TapActionExt: 'static {
fn connect_tap<F: Fn(&Self, &Actor) + 'static>(&self, f: F) -> SignalHandlerId;
}
impl<O: IsA<TapAction>> TapActionExt for O {
fn connect_tap<F: Fn(&Self, &Actor) + 'static>(&self, f: F) -> SignalHandlerId {
unsafe extern "C" fn tap_trampoline<P, F: Fn(&P, &Actor) + 'static>(
this: *mut ffi::ClutterTapAction,
actor: *mut ffi::ClutterActor,
f: glib_sys::gpointer,
) where
P: IsA<TapAction>,
{
let f: &F = &*(f as *const F);
f(
&TapAction::from_glib_borrow(this).unsafe_cast_ref(),
&from_glib_borrow(actor),
)
}
unsafe {
let f: Box_<F> = Box_::new(f);
connect_raw(
self.as_ptr() as *mut _,
b"tap\0".as_ptr() as *const _,
Some(transmute::<_, unsafe extern "C" fn()>(
tap_trampoline::<Self, F> as *const (),
)),
Box_::into_raw(f),
)
}
}
}
impl fmt::Display for TapAction {
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
write!(f, "TapAction")
}
}