gtk4 0.1.0

Rust bindings of the GTK 4 library
Documentation 
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

// Take a look at the license at the top of the repository in the LICENSE file.

use glib::gobject_ffi;
use glib::translate::*;
use glib::ParamSpec;

glib::wrapper! {
    #[derive(Debug, PartialEq, Eq, PartialOrd, Ord, Hash)]
    #[doc(alias = "GtkParamSpecExpression")]
    pub struct ParamSpecExpression(Shared<ffi::GtkParamSpecExpression>);

    match fn {
        ref => |ptr| gobject_ffi::g_param_spec_ref_sink(ptr as *mut gobject_ffi::GParamSpec),
        unref => |ptr| gobject_ffi::g_param_spec_unref(ptr as *mut gobject_ffi::GParamSpec),
        type_ => || ffi::gtk_param_expression_get_type(),
    }
}

unsafe impl Send for ParamSpecExpression {}
unsafe impl Sync for ParamSpecExpression {}

impl std::ops::Deref for ParamSpecExpression {
    type Target = ParamSpec;

    fn deref(&self) -> &Self::Target {
        unsafe { &*(self as *const ParamSpecExpression as *const ParamSpec) }
    }
}

unsafe impl glib::ParamSpecType for ParamSpecExpression {}

#[doc(hidden)]
impl FromGlibPtrFull<*mut gobject_ffi::GParamSpec> for ParamSpecExpression {
    unsafe fn from_glib_full(ptr: *mut gobject_ffi::GParamSpec) -> Self {
        from_glib_full(ptr as *mut ffi::GtkParamSpecExpression)
    }
}

impl ParamSpecExpression {
    pub fn upcast(self) -> ParamSpec {
        unsafe { from_glib_full(self.to_glib_full() as *mut gobject_ffi::GParamSpec) }
    }

    pub fn upcast_ref(&self) -> &ParamSpec {
        &*self
    }
}

// rustdoc-stripper-ignore-next
/// Register Expression's ParamSpec support
trait GtkParamSpecExt {
    fn new_expression(name: &str, nick: &str, blurb: &str, flags: glib::ParamFlags) -> Self;
}

impl GtkParamSpecExt for ParamSpec {
    #[doc(alias = "gtk_param_spec_expression")]
    fn new_expression(name: &str, nick: &str, blurb: &str, flags: glib::ParamFlags) -> Self {
        assert_initialized_main_thread!();
        unsafe {
            from_glib_none(ffi::gtk_param_spec_expression(
                name.to_glib_none().0,
                nick.to_glib_none().0,
                blurb.to_glib_none().0,
                flags.into_glib(),
            ))
        }
    }
}

#[cfg(test)]
mod tests {
    use super::*;
    use crate::TEST_THREAD_WORKER;

    #[test]
    fn test_paramspec_expression() {
        TEST_THREAD_WORKER
            .push(move || {
                let pspec = ParamSpec::new_expression(
                    "expression",
                    "Expression",
                    "Some Expression",
                    glib::ParamFlags::CONSTRUCT_ONLY | glib::ParamFlags::READABLE,
                );

                let expr_pspec = pspec.downcast::<ParamSpecExpression>();
                assert!(expr_pspec.is_ok());
            })
            .expect("Failed to schedule a test call");
    }
}