gtk4/auto/
style_provider.rs1use crate::ffi;
6use glib::{
7 object::ObjectType as _,
8 prelude::*,
9 signal::{connect_raw, SignalHandlerId},
10 translate::*,
11};
12use std::boxed::Box as Box_;
13
14glib::wrapper! {
15 #[doc(alias = "GtkStyleProvider")]
16 pub struct StyleProvider(Interface<ffi::GtkStyleProvider>);
17
18 match fn {
19 type_ => || ffi::gtk_style_provider_get_type(),
20 }
21}
22
23impl StyleProvider {
24 pub const NONE: Option<&'static StyleProvider> = None;
25}
26
27pub trait StyleProviderExt: IsA<StyleProvider> + 'static {
28 #[doc(alias = "gtk-private-changed")]
29 fn connect_gtk_private_changed<F: Fn(&Self) + 'static>(&self, f: F) -> SignalHandlerId {
30 unsafe extern "C" fn gtk_private_changed_trampoline<
31 P: IsA<StyleProvider>,
32 F: Fn(&P) + 'static,
33 >(
34 this: *mut ffi::GtkStyleProvider,
35 f: glib::ffi::gpointer,
36 ) {
37 let f: &F = &*(f as *const F);
38 f(StyleProvider::from_glib_borrow(this).unsafe_cast_ref())
39 }
40 unsafe {
41 let f: Box_<F> = Box_::new(f);
42 connect_raw(
43 self.as_ptr() as *mut _,
44 c"gtk-private-changed".as_ptr() as *const _,
45 Some(std::mem::transmute::<*const (), unsafe extern "C" fn()>(
46 gtk_private_changed_trampoline::<Self, F> as *const (),
47 )),
48 Box_::into_raw(f),
49 )
50 }
51 }
52}
53
54impl<O: IsA<StyleProvider>> StyleProviderExt for O {}