1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
use glib::object::{Cast, IsA};
use glib::translate::*;
use glib::GString;
use glib::Object;
use glib::ObjectExt;
use gtk_sys;
use std::path::Path;
use Builder;
impl Builder {
pub fn new_from_file<T: AsRef<Path>>(file_path: T) -> Builder {
assert_initialized_main_thread!();
unsafe {
from_glib_full(gtk_sys::gtk_builder_new_from_file(
file_path.as_ref().to_glib_none().0,
))
}
}
}
pub trait BuilderExtManual: 'static {
fn get_object<T: IsA<Object>>(&self, name: &str) -> Option<T>;
fn add_from_file<T: AsRef<Path>>(&self, file_path: T) -> Result<(), glib::Error>;
fn connect_signals<
P: FnMut(&Builder, &str) -> Box<dyn Fn(&[glib::Value]) -> Option<glib::Value> + 'static>,
>(
&self,
func: P,
);
}
impl<O: IsA<Builder>> BuilderExtManual for O {
fn get_object<T: IsA<Object>>(&self, name: &str) -> Option<T> {
unsafe {
Option::<Object>::from_glib_none(gtk_sys::gtk_builder_get_object(
self.upcast_ref().to_glib_none().0,
name.to_glib_none().0,
))
.and_then(|obj| obj.dynamic_cast::<T>().ok())
}
}
fn add_from_file<T: AsRef<Path>>(&self, file_path: T) -> Result<(), glib::Error> {
unsafe {
let mut error = ::std::ptr::null_mut();
gtk_sys::gtk_builder_add_from_file(
self.upcast_ref().to_glib_none().0,
file_path.as_ref().to_glib_none().0,
&mut error,
);
if error.is_null() {
Ok(())
} else {
Err(from_glib_full(error))
}
}
}
fn connect_signals<
P: FnMut(&Builder, &str) -> Box<dyn Fn(&[glib::Value]) -> Option<glib::Value> + 'static>,
>(
&self,
func: P,
) {
let func_data: P = func;
unsafe extern "C" fn func_func<
P: FnMut(&Builder, &str) -> Box<dyn Fn(&[glib::Value]) -> Option<glib::Value> + 'static>,
>(
builder: *mut gtk_sys::GtkBuilder,
object: *mut gobject_sys::GObject,
signal_name: *const libc::c_char,
handler_name: *const libc::c_char,
connect_object: *mut gobject_sys::GObject,
flags: gobject_sys::GConnectFlags,
user_data: glib_sys::gpointer,
) {
assert!(connect_object.is_null(), "Connect object is not supported");
assert!(
flags & gobject_sys::G_CONNECT_SWAPPED == 0,
"Swapped signal handler is not supported"
);
let builder = from_glib_borrow(builder);
let object: glib::Object = from_glib_borrow(object);
let signal_name: GString = from_glib_borrow(signal_name);
let handler_name: GString = from_glib_borrow(handler_name);
let callback: *mut P = user_data as *const _ as usize as *mut P;
let func = (*callback)(&builder, handler_name.as_str());
object
.connect_unsafe(
signal_name.as_str(),
flags & gobject_sys::G_CONNECT_AFTER != 0,
move |args| func(args),
)
.expect("Failed to connect to builder signal");
}
let func = Some(func_func::<P> as _);
let super_callback0: &P = &func_data;
unsafe {
gtk_sys::gtk_builder_connect_signals_full(
self.as_ref().to_glib_none().0,
func,
super_callback0 as *const _ as usize as *mut _,
);
}
}
}