glib/auto/main_context.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
5#[cfg(feature = "v2_72")]
6#[cfg_attr(docsrs, doc(cfg(feature = "v2_72")))]
7use crate::MainContextFlags;
8use crate::{ffi, translate::*};
9
10crate::wrapper! {
11 /// The `GMainContext` struct is an opaque data
12 /// type representing a set of sources to be handled in a main loop.
13 #[derive(Debug, PartialEq, Eq, PartialOrd, Ord, Hash)]
14 pub struct MainContext(Shared<ffi::GMainContext>);
15
16 match fn {
17 ref => |ptr| ffi::g_main_context_ref(ptr),
18 unref => |ptr| ffi::g_main_context_unref(ptr),
19 type_ => || ffi::g_main_context_get_type(),
20 }
21}
22
23impl MainContext {
24 /// Creates a new [`MainContext`][crate::MainContext] structure.
25 ///
26 /// # Returns
27 ///
28 /// the new main context
29 #[doc(alias = "g_main_context_new")]
30 pub fn new() -> MainContext {
31 unsafe { from_glib_full(ffi::g_main_context_new()) }
32 }
33
34 /// Creates a new [`MainContext`][crate::MainContext] structure.
35 /// ## `flags`
36 /// a bitwise-OR combination of flags that can only be set at creation
37 /// time
38 ///
39 /// # Returns
40 ///
41 /// the new main context
42 #[cfg(feature = "v2_72")]
43 #[cfg_attr(docsrs, doc(cfg(feature = "v2_72")))]
44 #[doc(alias = "g_main_context_new_with_flags")]
45 #[doc(alias = "new_with_flags")]
46 pub fn with_flags(flags: MainContextFlags) -> MainContext {
47 unsafe { from_glib_full(ffi::g_main_context_new_with_flags(flags.into_glib())) }
48 }
49
50 //#[doc(alias = "g_main_context_add_poll")]
51 //pub fn add_poll(&self, fd: /*Ignored*/&mut PollFD, priority: i32) {
52 // unsafe { TODO: call ffi:g_main_context_add_poll() }
53 //}
54
55 //#[doc(alias = "g_main_context_check")]
56 //pub fn check(&self, max_priority: i32, fds: /*Ignored*/&[PollFD]) -> bool {
57 // unsafe { TODO: call ffi:g_main_context_check() }
58 //}
59
60 /// Dispatches all pending sources.
61 ///
62 /// You must have successfully acquired the context with
63 /// [`acquire()`][Self::acquire()] before you may call this function.
64 ///
65 /// Since 2.76 @self can be `NULL` to use the global-default
66 /// main context.
67 #[doc(alias = "g_main_context_dispatch")]
68 pub fn dispatch(&self) {
69 unsafe {
70 ffi::g_main_context_dispatch(self.to_glib_none().0);
71 }
72 }
73
74 //#[doc(alias = "g_main_context_find_source_by_funcs_user_data")]
75 //pub fn find_source_by_funcs_user_data(&self, funcs: /*Ignored*/&mut SourceFuncs, user_data: /*Unimplemented*/Option<Basic: Pointer>) -> Option<Source> {
76 // unsafe { TODO: call ffi:g_main_context_find_source_by_funcs_user_data() }
77 //}
78
79 //#[doc(alias = "g_main_context_find_source_by_user_data")]
80 //pub fn find_source_by_user_data(&self, user_data: /*Unimplemented*/Option<Basic: Pointer>) -> Option<Source> {
81 // unsafe { TODO: call ffi:g_main_context_find_source_by_user_data() }
82 //}
83
84 //#[doc(alias = "g_main_context_get_poll_func")]
85 //#[doc(alias = "get_poll_func")]
86 //pub fn poll_func(&self) -> /*Unimplemented*/Fn(/*Ignored*/PollFD, u32) -> i32 {
87 // unsafe { TODO: call ffi:g_main_context_get_poll_func() }
88 //}
89
90 /// Determines whether this thread holds the (recursive)
91 /// ownership of this [`MainContext`][crate::MainContext].
92 ///
93 /// This is useful to
94 /// know before waiting on another thread that may be
95 /// blocking to get ownership of @self.
96 ///
97 /// # Returns
98 ///
99 /// true if current thread is owner of @self, false otherwise
100 #[doc(alias = "g_main_context_is_owner")]
101 pub fn is_owner(&self) -> bool {
102 unsafe { from_glib(ffi::g_main_context_is_owner(self.to_glib_none().0)) }
103 }
104
105 /// Runs a single iteration for the given main loop.
106 ///
107 /// This involves
108 /// checking to see if any event sources are ready to be processed,
109 /// then if no events sources are ready and @may_block is true, waiting
110 /// for a source to become ready, then dispatching the highest priority
111 /// events sources that are ready. Otherwise, if @may_block is false,
112 /// this function does not wait for sources to become ready, and only the highest
113 /// priority sources which are already ready (if any) will be dispatched.
114 ///
115 /// Note that even when @may_block is true, it is still possible for
116 /// [`iteration()`][Self::iteration()] to return false, since the wait may
117 /// be interrupted for other reasons than an event source becoming ready.
118 /// ## `may_block`
119 /// whether the call may block
120 ///
121 /// # Returns
122 ///
123 /// true if events were dispatched, false otherwise
124 #[doc(alias = "g_main_context_iteration")]
125 pub fn iteration(&self, may_block: bool) -> bool {
126 unsafe {
127 from_glib(ffi::g_main_context_iteration(
128 self.to_glib_none().0,
129 may_block.into_glib(),
130 ))
131 }
132 }
133
134 /// Checks if any sources have pending events for the given context.
135 ///
136 /// # Returns
137 ///
138 /// true if events are pending, false otherwise
139 #[doc(alias = "g_main_context_pending")]
140 pub fn pending(&self) -> bool {
141 unsafe { from_glib(ffi::g_main_context_pending(self.to_glib_none().0)) }
142 }
143
144 //#[cfg(feature = "v2_64")]
145 //#[cfg_attr(docsrs, doc(cfg(feature = "v2_64")))]
146 //#[doc(alias = "g_main_context_pusher_new")]
147 //pub fn pusher_new(&self) -> /*Unknown conversion*//*Unimplemented*/MainContextPusher {
148 // unsafe { TODO: call ffi:g_main_context_pusher_new() }
149 //}
150
151 //#[doc(alias = "g_main_context_query")]
152 //pub fn query(&self, max_priority: i32, fds: /*Ignored*/Vec<PollFD>) -> (i32, i32) {
153 // unsafe { TODO: call ffi:g_main_context_query() }
154 //}
155
156 //#[doc(alias = "g_main_context_remove_poll")]
157 //pub fn remove_poll(&self, fd: /*Ignored*/&mut PollFD) {
158 // unsafe { TODO: call ffi:g_main_context_remove_poll() }
159 //}
160
161 //#[doc(alias = "g_main_context_set_poll_func")]
162 //pub fn set_poll_func(&self, func: /*Unimplemented*/Fn(/*Ignored*/PollFD, u32) -> i32) {
163 // unsafe { TODO: call ffi:g_main_context_set_poll_func() }
164 //}
165
166 //#[cfg_attr(feature = "v2_58", deprecated = "Since 2.58")]
167 //#[allow(deprecated)]
168 //#[doc(alias = "g_main_context_wait")]
169 //pub fn wait(&self, cond: /*Ignored*/&mut Cond, mutex: /*Ignored*/&mut Mutex) -> bool {
170 // unsafe { TODO: call ffi:g_main_context_wait() }
171 //}
172
173 /// tasks_remaining))
174 /// g_main_context_wakeup (NULL);
175 /// ```text
176 ///
177 #[doc(alias = "g_main_context_wakeup")]
178 pub fn wakeup(&self) {
179 unsafe {
180 ffi::g_main_context_wakeup(self.to_glib_none().0);
181 }
182 }
183
184 /// main loop. See also
185 /// [`thread_default()`][Self::thread_default()].
186 ///
187 /// # Returns
188 ///
189 /// the global-default main context.
190 #[doc(alias = "g_main_context_default")]
191 #[allow(clippy::should_implement_trait)]
192 pub fn default() -> MainContext {
193 unsafe { from_glib_none(ffi::g_main_context_default()) }
194 }
195
196 /// Gets the thread-default main context for this thread.
197 ///
198 /// Asynchronous operations that want to be able to be run in contexts other than
199 /// the default one should call this method or
200 /// [`ref_thread_default()`][Self::ref_thread_default()] to get a
201 /// [`MainContext`][crate::MainContext] to add their [`Source`][crate::Source]s to. (Note that
202 /// even in single-threaded programs applications may sometimes want to
203 /// temporarily push a non-default context, so it is not safe to assume that
204 /// this will always return `NULL` if you are running in the default thread.)
205 ///
206 /// If you need to hold a reference on the context, use
207 /// [`ref_thread_default()`][Self::ref_thread_default()] instead.
208 ///
209 /// # Returns
210 ///
211 /// the thread-default main context, or
212 /// `NULL` if the thread-default context is the global-default main context
213 #[doc(alias = "g_main_context_get_thread_default")]
214 #[doc(alias = "get_thread_default")]
215 pub fn thread_default() -> Option<MainContext> {
216 unsafe { from_glib_none(ffi::g_main_context_get_thread_default()) }
217 }
218
219 //#[cfg(feature = "v2_64")]
220 //#[cfg_attr(docsrs, doc(cfg(feature = "v2_64")))]
221 //#[doc(alias = "g_main_context_pusher_free")]
222 //pub fn pusher_free(pusher: /*Unknown conversion*//*Unimplemented*/MainContextPusher) {
223 // unsafe { TODO: call ffi:g_main_context_pusher_free() }
224 //}
225
226 /// Gets a reference to the thread-default [`MainContext`][crate::MainContext] for this
227 /// thread
228 ///
229 /// This is the same as [`thread_default()`][Self::thread_default()], but it also
230 /// adds a reference to the returned main context with `GLib::MainContext::ref()`.
231 /// In addition, unlike
232 /// [`thread_default()`][Self::thread_default()], if the thread-default context
233 /// is the global-default context, this will return that
234 /// [`MainContext`][crate::MainContext] (with a ref added to it) rather than returning
235 /// `NULL`.
236 ///
237 /// # Returns
238 ///
239 /// the thread-default main context
240 #[doc(alias = "g_main_context_ref_thread_default")]
241 pub fn ref_thread_default() -> MainContext {
242 unsafe { from_glib_full(ffi::g_main_context_ref_thread_default()) }
243 }
244}
245
246impl Default for MainContext {
247 fn default() -> Self {
248 Self::new()
249 }
250}
251
252unsafe impl Send for MainContext {}
253unsafe impl Sync for MainContext {}