1use glib::object::{Cast, IsA};
6use glib::translate::*;
7use glib::Object;
8use gtk_sys;
9use std::path::Path;
10use Builder;
11use Error;
12
13impl Builder {
14 pub fn new_from_file<T: AsRef<Path>>(file_path: T) -> Builder {
15 assert_initialized_main_thread!();
16 unsafe {
17 from_glib_full(gtk_sys::gtk_builder_new_from_file(
18 file_path.as_ref().to_glib_none().0,
19 ))
20 }
21 }
22}
23
24pub trait BuilderExtManual: 'static {
25 fn get_object<T: IsA<Object>>(&self, name: &str) -> Option<T>;
26 fn add_from_file<T: AsRef<Path>>(&self, file_path: T) -> Result<(), Error>;
27}
28
29impl<O: IsA<Builder>> BuilderExtManual for O {
30 fn get_object<T: IsA<Object>>(&self, name: &str) -> Option<T> {
31 unsafe {
32 Option::<Object>::from_glib_none(gtk_sys::gtk_builder_get_object(
33 self.upcast_ref().to_glib_none().0,
34 name.to_glib_none().0,
35 ))
36 .and_then(|obj| obj.dynamic_cast::<T>().ok())
37 }
38 }
39
40 fn add_from_file<T: AsRef<Path>>(&self, file_path: T) -> Result<(), Error> {
41 unsafe {
42 let mut error = ::std::ptr::null_mut();
43 gtk_sys::gtk_builder_add_from_file(
44 self.upcast_ref().to_glib_none().0,
45 file_path.as_ref().to_glib_none().0,
46 &mut error,
47 );
48 if error.is_null() {
49 Ok(())
50 } else {
51 Err(from_glib_full(error))
52 }
53 }
54 }
55}