alsarawmidi 0.8.0

API binding for alsarawmidi 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
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137

// This file was generated by gir (https://github.com/gtk-rs/gir)
// from
// from gir-files (https://github.com/gtk-rs/gir-files)
// DO NOT EDIT

use crate::ffi;
use glib::{
    prelude::*,
    signal::{connect_raw, SignalHandlerId},
    translate::*,
};
use std::boxed::Box as Box_;

glib::wrapper! {
    /// A GObject-derived object to express status of substream.
    ///
    /// A [`SubstreamStatus`][crate::SubstreamStatus] is a GObject-derived object to express status of substream attached
    /// to the pair of stream. The call of [`StreamPairExtManual::substream_status()`][crate::prelude::StreamPairExtManual::substream_status()] returns the instance
    /// of object.
    ///
    /// The object wraps `struct snd_rawmidi_status` in UAPI of Linux sound subsystem.
    ///
    /// ## Properties
    ///
    ///
    /// #### `avail`
    ///  The size of available space in intermediate buffer.
    ///
    /// Readable
    ///
    ///
    /// #### `xruns`
    ///  The count of XRUNs since the last query of status.
    ///
    /// Readable
    ///
    /// # Implements
    ///
    /// [`SubstreamStatusExt`][trait@crate::prelude::SubstreamStatusExt]
    #[doc(alias = "ALSARawmidiSubstreamStatus")]
    pub struct SubstreamStatus(Object<ffi::ALSARawmidiSubstreamStatus, ffi::ALSARawmidiSubstreamStatusClass>);

    match fn {
        type_ => || ffi::alsarawmidi_substream_status_get_type(),
    }
}

impl SubstreamStatus {
    pub const NONE: Option<&'static SubstreamStatus> = None;

    /// Allocate and return an instance of [`SubstreamStatus`][crate::SubstreamStatus].
    ///
    /// # Returns
    ///
    /// An instance of [`SubstreamStatus`][crate::SubstreamStatus].
    #[doc(alias = "alsarawmidi_substream_status_new")]
    pub fn new() -> SubstreamStatus {
        unsafe { from_glib_full(ffi::alsarawmidi_substream_status_new()) }
    }
}

impl Default for SubstreamStatus {
    fn default() -> Self {
        Self::new()
    }
}

/// Trait containing all [`struct@SubstreamStatus`] methods.
///
/// # Implementors
///
/// [`SubstreamStatus`][struct@crate::SubstreamStatus]
pub trait SubstreamStatusExt: IsA<SubstreamStatus> + 'static {
    /// The size of available space in intermediate buffer.
    fn avail(&self) -> u64 {
        ObjectExt::property(self.as_ref(), "avail")
    }

    /// The count of XRUNs since the last query of status.
    fn xruns(&self) -> u64 {
        ObjectExt::property(self.as_ref(), "xruns")
    }

    #[doc(alias = "avail")]
    fn connect_avail_notify<F: Fn(&Self) + 'static>(&self, f: F) -> SignalHandlerId {
        unsafe extern "C" fn notify_avail_trampoline<
            P: IsA<SubstreamStatus>,
            F: Fn(&P) + 'static,
        >(
            this: *mut ffi::ALSARawmidiSubstreamStatus,
            _param_spec: glib::ffi::gpointer,
            f: glib::ffi::gpointer,
        ) {
            let f: &F = &*(f as *const F);
            f(SubstreamStatus::from_glib_borrow(this).unsafe_cast_ref())
        }
        unsafe {
            let f: Box_<F> = Box_::new(f);
            connect_raw(
                self.as_ptr() as *mut _,
                c"notify::avail".as_ptr() as *const _,
                Some(std::mem::transmute::<*const (), unsafe extern "C" fn()>(
                    notify_avail_trampoline::<Self, F> as *const (),
                )),
                Box_::into_raw(f),
            )
        }
    }

    #[doc(alias = "xruns")]
    fn connect_xruns_notify<F: Fn(&Self) + 'static>(&self, f: F) -> SignalHandlerId {
        unsafe extern "C" fn notify_xruns_trampoline<
            P: IsA<SubstreamStatus>,
            F: Fn(&P) + 'static,
        >(
            this: *mut ffi::ALSARawmidiSubstreamStatus,
            _param_spec: glib::ffi::gpointer,
            f: glib::ffi::gpointer,
        ) {
            let f: &F = &*(f as *const F);
            f(SubstreamStatus::from_glib_borrow(this).unsafe_cast_ref())
        }
        unsafe {
            let f: Box_<F> = Box_::new(f);
            connect_raw(
                self.as_ptr() as *mut _,
                c"notify::xruns".as_ptr() as *const _,
                Some(std::mem::transmute::<*const (), unsafe extern "C" fn()>(
                    notify_xruns_trampoline::<Self, F> as *const (),
                )),
                Box_::into_raw(f),
            )
        }
    }
}

impl<O: IsA<SubstreamStatus>> SubstreamStatusExt for O {}