gio/auto/
filter_output_stream.rs

1// This file was generated by gir (https://github.com/gtk-rs/gir)
2// from gir-files (https://github.com/gtk-rs/gir-files)
3// DO NOT EDIT
4
5use crate::{ffi, OutputStream};
6use glib::{
7    prelude::*,
8    signal::{connect_raw, SignalHandlerId},
9    translate::*,
10};
11use std::boxed::Box as Box_;
12
13glib::wrapper! {
14    /// Base class for output stream implementations that perform some
15    /// kind of filtering operation on a base stream. Typical examples
16    /// of filtering operations are character set conversion, compression
17    /// and byte order flipping.
18    ///
19    /// This is an Abstract Base Class, you cannot instantiate it.
20    ///
21    /// ## Properties
22    ///
23    ///
24    /// #### `base-stream`
25    ///  The underlying base stream on which the I/O ops will be done.
26    ///
27    /// Readable | Writeable | Construct Only
28    ///
29    ///
30    /// #### `close-base-stream`
31    ///  Whether the base stream should be closed when the filter stream is closed.
32    ///
33    /// Readable | Writeable | Construct Only
34    ///
35    /// # Implements
36    ///
37    /// [`FilterOutputStreamExt`][trait@crate::prelude::FilterOutputStreamExt], [`OutputStreamExt`][trait@crate::prelude::OutputStreamExt], [`trait@glib::ObjectExt`], [`OutputStreamExtManual`][trait@crate::prelude::OutputStreamExtManual]
38    #[doc(alias = "GFilterOutputStream")]
39    pub struct FilterOutputStream(Object<ffi::GFilterOutputStream, ffi::GFilterOutputStreamClass>) @extends OutputStream;
40
41    match fn {
42        type_ => || ffi::g_filter_output_stream_get_type(),
43    }
44}
45
46impl FilterOutputStream {
47    pub const NONE: Option<&'static FilterOutputStream> = None;
48}
49
50/// Trait containing all [`struct@FilterOutputStream`] methods.
51///
52/// # Implementors
53///
54/// [`BufferedOutputStream`][struct@crate::BufferedOutputStream], [`ConverterOutputStream`][struct@crate::ConverterOutputStream], [`DataOutputStream`][struct@crate::DataOutputStream], [`FilterOutputStream`][struct@crate::FilterOutputStream]
55pub trait FilterOutputStreamExt: IsA<FilterOutputStream> + 'static {
56    /// Gets the base stream for the filter stream.
57    ///
58    /// # Returns
59    ///
60    /// a [`OutputStream`][crate::OutputStream].
61    #[doc(alias = "g_filter_output_stream_get_base_stream")]
62    #[doc(alias = "get_base_stream")]
63    #[doc(alias = "base-stream")]
64    fn base_stream(&self) -> OutputStream {
65        unsafe {
66            from_glib_none(ffi::g_filter_output_stream_get_base_stream(
67                self.as_ref().to_glib_none().0,
68            ))
69        }
70    }
71
72    /// Returns whether the base stream will be closed when @self is
73    /// closed.
74    ///
75    /// # Returns
76    ///
77    /// `TRUE` if the base stream will be closed.
78    #[doc(alias = "g_filter_output_stream_get_close_base_stream")]
79    #[doc(alias = "get_close_base_stream")]
80    #[doc(alias = "close-base-stream")]
81    fn closes_base_stream(&self) -> bool {
82        unsafe {
83            from_glib(ffi::g_filter_output_stream_get_close_base_stream(
84                self.as_ref().to_glib_none().0,
85            ))
86        }
87    }
88
89    /// Sets whether the base stream will be closed when @self is closed.
90    /// ## `close_base`
91    /// `TRUE` to close the base stream.
92    #[doc(alias = "g_filter_output_stream_set_close_base_stream")]
93    fn set_close_base_stream(&self, close_base: bool) {
94        unsafe {
95            ffi::g_filter_output_stream_set_close_base_stream(
96                self.as_ref().to_glib_none().0,
97                close_base.into_glib(),
98            );
99        }
100    }
101
102    #[doc(alias = "close-base-stream")]
103    fn connect_close_base_stream_notify<F: Fn(&Self) + 'static>(&self, f: F) -> SignalHandlerId {
104        unsafe extern "C" fn notify_close_base_stream_trampoline<
105            P: IsA<FilterOutputStream>,
106            F: Fn(&P) + 'static,
107        >(
108            this: *mut ffi::GFilterOutputStream,
109            _param_spec: glib::ffi::gpointer,
110            f: glib::ffi::gpointer,
111        ) {
112            let f: &F = &*(f as *const F);
113            f(FilterOutputStream::from_glib_borrow(this).unsafe_cast_ref())
114        }
115        unsafe {
116            let f: Box_<F> = Box_::new(f);
117            connect_raw(
118                self.as_ptr() as *mut _,
119                c"notify::close-base-stream".as_ptr() as *const _,
120                Some(std::mem::transmute::<*const (), unsafe extern "C" fn()>(
121                    notify_close_base_stream_trampoline::<Self, F> as *const (),
122                )),
123                Box_::into_raw(f),
124            )
125        }
126    }
127}
128
129impl<O: IsA<FilterOutputStream>> FilterOutputStreamExt for O {}