libadwaita/auto/
callback_animation_target.rs

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// This file was generated by gir (https://github.com/gtk-rs/gir)
// from
// from gir-files (https://github.com/gtk-rs/gir-files.git)
// DO NOT EDIT

use crate::{ffi, AnimationTarget};
use glib::{prelude::*, translate::*};
use std::boxed::Box as Box_;

glib::wrapper! {
    /// An [`AnimationTarget`][crate::AnimationTarget] that calls a given callback during the
    /// animation.
    ///
    /// # Implements
    ///
    /// [`AnimationTargetExt`][trait@crate::prelude::AnimationTargetExt], [`trait@glib::ObjectExt`]
    #[doc(alias = "AdwCallbackAnimationTarget")]
    pub struct CallbackAnimationTarget(Object<ffi::AdwCallbackAnimationTarget, ffi::AdwCallbackAnimationTargetClass>) @extends AnimationTarget;

    match fn {
        type_ => || ffi::adw_callback_animation_target_get_type(),
    }
}

impl CallbackAnimationTarget {
    /// Creates a new [`AnimationTarget`][crate::AnimationTarget] that calls the given @callback during
    /// the animation.
    /// ## `callback`
    /// the callback to call
    ///
    /// # Returns
    ///
    /// the newly created callback target
    #[doc(alias = "adw_callback_animation_target_new")]
    pub fn new<P: Fn(f64) + 'static>(callback: P) -> CallbackAnimationTarget {
        assert_initialized_main_thread!();
        let callback_data: Box_<P> = Box_::new(callback);
        unsafe extern "C" fn callback_func<P: Fn(f64) + 'static>(
            value: std::ffi::c_double,
            user_data: glib::ffi::gpointer,
        ) {
            let callback = &*(user_data as *mut P);
            (*callback)(value)
        }
        let callback = Some(callback_func::<P> as _);
        unsafe extern "C" fn destroy_func<P: Fn(f64) + 'static>(data: glib::ffi::gpointer) {
            let _callback = Box_::from_raw(data as *mut P);
        }
        let destroy_call2 = Some(destroy_func::<P> as _);
        let super_callback0: Box_<P> = callback_data;
        unsafe {
            AnimationTarget::from_glib_full(ffi::adw_callback_animation_target_new(
                callback,
                Box_::into_raw(super_callback0) as *mut _,
                destroy_call2,
            ))
            .unsafe_cast()
        }
    }
}