use Buildable;
use Widget;
use ffi;
use gdk;
use glib;
use glib::object::Downcast;
use glib::object::IsA;
use glib::signal::SignalHandlerId;
use glib::signal::connect;
use glib::translate::*;
use glib_ffi;
use gobject_ffi;
use std::boxed::Box as Box_;
use std::mem;
use std::mem::transmute;
use std::ptr;
glib_wrapper! {
pub struct Invisible(Object<ffi::GtkInvisible, ffi::GtkInvisibleClass>): Widget, Buildable;
match fn {
get_type => || ffi::gtk_invisible_get_type(),
}
}
impl Invisible {
pub fn new() -> Invisible {
assert_initialized_main_thread!();
unsafe {
Widget::from_glib_none(ffi::gtk_invisible_new()).downcast_unchecked()
}
}
pub fn new_for_screen(screen: &gdk::Screen) -> Invisible {
assert_initialized_main_thread!();
unsafe {
Widget::from_glib_none(ffi::gtk_invisible_new_for_screen(screen.to_glib_none().0)).downcast_unchecked()
}
}
}
impl Default for Invisible {
fn default() -> Self {
Self::new()
}
}
pub trait InvisibleExt {
fn set_screen(&self, screen: &gdk::Screen);
fn connect_property_screen_notify<F: Fn(&Self) + 'static>(&self, f: F) -> SignalHandlerId;
}
impl<O: IsA<Invisible> + IsA<glib::object::Object>> InvisibleExt for O {
fn set_screen(&self, screen: &gdk::Screen) {
unsafe {
ffi::gtk_invisible_set_screen(self.to_glib_none().0, screen.to_glib_none().0);
}
}
fn connect_property_screen_notify<F: Fn(&Self) + 'static>(&self, f: F) -> SignalHandlerId {
unsafe {
let f: Box_<Box_<Fn(&Self) + 'static>> = Box_::new(Box_::new(f));
connect(self.to_glib_none().0, "notify::screen",
transmute(notify_screen_trampoline::<Self> as usize), Box_::into_raw(f) as *mut _)
}
}
}
unsafe extern "C" fn notify_screen_trampoline<P>(this: *mut ffi::GtkInvisible, _param_spec: glib_ffi::gpointer, f: glib_ffi::gpointer)
where P: IsA<Invisible> {
callback_guard!();
let f: &&(Fn(&P) + 'static) = transmute(f);
f(&Invisible::from_glib_borrow(this).downcast_unchecked())
}