gtk4/auto/
widget_paintable.rsuse crate::{ffi, Widget};
use glib::{
prelude::*,
signal::{connect_raw, SignalHandlerId},
translate::*,
};
use std::boxed::Box as Box_;
glib::wrapper! {
#[doc(alias = "GtkWidgetPaintable")]
pub struct WidgetPaintable(Object<ffi::GtkWidgetPaintable, ffi::GtkWidgetPaintableClass>) @implements gdk::Paintable;
match fn {
type_ => || ffi::gtk_widget_paintable_get_type(),
}
}
impl WidgetPaintable {
#[doc(alias = "gtk_widget_paintable_new")]
pub fn new(widget: Option<&impl IsA<Widget>>) -> WidgetPaintable {
assert_initialized_main_thread!();
unsafe {
from_glib_full(ffi::gtk_widget_paintable_new(
widget.map(|p| p.as_ref()).to_glib_none().0,
))
}
}
#[doc(alias = "gtk_widget_paintable_get_widget")]
#[doc(alias = "get_widget")]
pub fn widget(&self) -> Option<Widget> {
unsafe { from_glib_none(ffi::gtk_widget_paintable_get_widget(self.to_glib_none().0)) }
}
#[doc(alias = "gtk_widget_paintable_set_widget")]
#[doc(alias = "widget")]
pub fn set_widget(&self, widget: Option<&impl IsA<Widget>>) {
unsafe {
ffi::gtk_widget_paintable_set_widget(
self.to_glib_none().0,
widget.map(|p| p.as_ref()).to_glib_none().0,
);
}
}
#[doc(alias = "widget")]
pub fn connect_widget_notify<F: Fn(&Self) + 'static>(&self, f: F) -> SignalHandlerId {
unsafe extern "C" fn notify_widget_trampoline<F: Fn(&WidgetPaintable) + 'static>(
this: *mut ffi::GtkWidgetPaintable,
_param_spec: glib::ffi::gpointer,
f: glib::ffi::gpointer,
) {
let f: &F = &*(f as *const F);
f(&from_glib_borrow(this))
}
unsafe {
let f: Box_<F> = Box_::new(f);
connect_raw(
self.as_ptr() as *mut _,
b"notify::widget\0".as_ptr() as *const _,
Some(std::mem::transmute::<*const (), unsafe extern "C" fn()>(
notify_widget_trampoline::<F> as *const (),
)),
Box_::into_raw(f),
)
}
}
}