use crate::{ContentDeserializer, ContentSerializer};
use glib::object::IsA;
use glib::translate::*;
use std::future;
use std::pin::Pin;
use std::ptr;
#[repr(packed)]
pub struct GRange(pub i32, pub i32);
#[doc(alias = "gdk_pango_layout_get_clip_region")]
pub fn pango_layout_get_clip_region(
layout: &pango::Layout,
x_origin: i32,
y_origin: i32,
index_ranges: &[GRange],
) -> cairo::Region {
assert_initialized_main_thread!();
let ptr: *const i32 = index_ranges.as_ptr() as _;
unsafe {
from_glib_full(ffi::gdk_pango_layout_get_clip_region(
layout.to_glib_none().0,
x_origin,
y_origin,
ptr,
(index_ranges.len() / 2) as i32,
))
}
}
#[doc(alias = "gdk_content_deserialize_async")]
pub fn content_deserialize_async<R: FnOnce(Result<glib::Value, glib::Error>) + 'static>(
stream: &impl IsA<gio::InputStream>,
mime_type: &str,
type_: glib::types::Type,
io_priority: glib::Priority,
cancellable: Option<&impl IsA<gio::Cancellable>>,
callback: R,
) {
assert_initialized_main_thread!();
let main_context = glib::MainContext::ref_thread_default();
let is_main_context_owner = main_context.is_owner();
let has_acquired_main_context = (!is_main_context_owner)
.then(|| main_context.acquire().ok())
.flatten();
assert!(
is_main_context_owner || has_acquired_main_context.is_some(),
"Async operations only allowed if the thread is owning the MainContext"
);
let user_data: Box<glib::thread_guard::ThreadGuard<R>> =
Box::new(glib::thread_guard::ThreadGuard::new(callback));
unsafe extern "C" fn content_deserialize_async_trampoline<
R: FnOnce(Result<glib::Value, glib::Error>) + 'static,
>(
_source_object: *mut glib::gobject_ffi::GObject,
res: *mut gio::ffi::GAsyncResult,
user_data: glib::ffi::gpointer,
) {
let mut error = ptr::null_mut();
let mut value = glib::Value::uninitialized();
let _ = ffi::gdk_content_deserialize_finish(res, value.to_glib_none_mut().0, &mut error);
let result = if error.is_null() {
Ok(value)
} else {
Err(from_glib_full(error))
};
let callback: Box<glib::thread_guard::ThreadGuard<R>> = Box::from_raw(user_data as *mut _);
let callback = callback.into_inner();
callback(result);
}
let callback = content_deserialize_async_trampoline::<R>;
unsafe {
ffi::gdk_content_deserialize_async(
stream.as_ref().to_glib_none().0,
mime_type.to_glib_none().0,
type_.into_glib(),
io_priority.into_glib(),
cancellable.map(|p| p.as_ref()).to_glib_none().0,
Some(callback),
Box::into_raw(user_data) as *mut _,
);
}
}
pub fn content_deserialize_future(
stream: &(impl IsA<gio::InputStream> + Clone + 'static),
mime_type: &str,
type_: glib::types::Type,
io_priority: glib::Priority,
) -> Pin<Box<dyn future::Future<Output = Result<glib::Value, glib::Error>> + 'static>> {
assert_initialized_main_thread!();
let stream = stream.clone();
let mime_type = String::from(mime_type);
Box::pin(gio::GioFuture::new(&(), move |_obj, cancellable, send| {
content_deserialize_async(
&stream,
&mime_type,
type_,
io_priority,
Some(cancellable),
move |res| {
send.resolve(res);
},
);
}))
}
#[doc(alias = "gdk_content_register_deserializer")]
pub fn content_register_deserializer<
T: 'static,
P: Fn(&ContentDeserializer, &mut Option<T>) + 'static,
>(
mime_type: &str,
type_: glib::types::Type,
deserialize: P,
) {
assert_initialized_main_thread!();
let deserialize_data: Box<P> = Box::new(deserialize);
unsafe extern "C" fn deserialize_func<
T: 'static,
P: Fn(&ContentDeserializer, &mut Option<T>) + 'static,
>(
deserializer: *mut ffi::GdkContentDeserializer,
) {
let deserializer: ContentDeserializer = from_glib_full(deserializer);
let callback: &P =
&*(ffi::gdk_content_deserializer_get_user_data(deserializer.to_glib_none().0)
as *mut _);
let mut task_data: *mut Option<T> =
ffi::gdk_content_deserializer_get_task_data(deserializer.to_glib_none().0) as *mut _;
if task_data.is_null() {
unsafe extern "C" fn notify_func<T: 'static>(data: glib::ffi::gpointer) {
let _task_data: Box<Option<T>> = Box::from_raw(data as *mut _);
}
task_data = Box::into_raw(Box::new(None));
ffi::gdk_content_deserializer_set_task_data(
deserializer.to_glib_none().0,
task_data as *mut _,
Some(notify_func::<T>),
);
}
(*callback)(&deserializer, &mut *task_data);
}
let deserialize = Some(deserialize_func::<T, P> as _);
unsafe extern "C" fn notify_func<
T: 'static,
P: Fn(&ContentDeserializer, &mut Option<T>) + 'static,
>(
data: glib::ffi::gpointer,
) {
let _callback: Box<P> = Box::from_raw(data as *mut _);
}
let destroy_call4 = Some(notify_func::<T, P> as _);
let super_callback0: Box<P> = deserialize_data;
unsafe {
ffi::gdk_content_register_deserializer(
mime_type.to_glib_none().0,
type_.into_glib(),
deserialize,
Box::into_raw(super_callback0) as *mut _,
destroy_call4,
);
}
}
#[doc(alias = "gdk_content_register_serializer")]
pub fn content_register_serializer<
T: 'static,
P: Fn(&ContentSerializer, &mut Option<T>) + 'static,
>(
type_: glib::types::Type,
mime_type: &str,
serialize: P,
) {
assert_initialized_main_thread!();
let serialize_data: Box<P> = Box::new(serialize);
unsafe extern "C" fn serialize_func<
T: 'static,
P: Fn(&ContentSerializer, &mut Option<T>) + 'static,
>(
serializer: *mut ffi::GdkContentSerializer,
) {
let serializer: ContentSerializer = from_glib_full(serializer);
let callback: &P =
&*(ffi::gdk_content_serializer_get_user_data(serializer.to_glib_none().0) as *mut _);
let mut task_data: *mut Option<T> =
ffi::gdk_content_serializer_get_task_data(serializer.to_glib_none().0) as *mut _;
if task_data.is_null() {
unsafe extern "C" fn notify_func<T: 'static>(data: glib::ffi::gpointer) {
let _task_data: Box<Option<T>> = Box::from_raw(data as *mut _);
}
task_data = Box::into_raw(Box::new(None));
ffi::gdk_content_serializer_set_task_data(
serializer.to_glib_none().0,
task_data as *mut _,
Some(notify_func::<T>),
);
}
(*callback)(&serializer, &mut *task_data);
}
let serialize = Some(serialize_func::<T, P> as _);
unsafe extern "C" fn notify_func<
T: 'static,
P: Fn(&ContentSerializer, &mut Option<T>) + 'static,
>(
data: glib::ffi::gpointer,
) {
let _callback: Box<P> = Box::from_raw(data as *mut _);
}
let destroy_call4 = Some(notify_func::<T, P> as _);
let super_callback0: Box<P> = serialize_data;
unsafe {
ffi::gdk_content_register_serializer(
type_.into_glib(),
mime_type.to_glib_none().0,
serialize,
Box::into_raw(super_callback0) as *mut _,
destroy_call4,
);
}
}
#[doc(alias = "gdk_content_serialize_async")]
pub fn content_serialize_async<R: FnOnce(Result<(), glib::Error>) + 'static>(
stream: &impl IsA<gio::OutputStream>,
mime_type: &str,
value: &glib::Value,
io_priority: glib::Priority,
cancellable: Option<&impl IsA<gio::Cancellable>>,
callback: R,
) {
assert_initialized_main_thread!();
let main_context = glib::MainContext::ref_thread_default();
let is_main_context_owner = main_context.is_owner();
let has_acquired_main_context = (!is_main_context_owner)
.then(|| main_context.acquire().ok())
.flatten();
assert!(
is_main_context_owner || has_acquired_main_context.is_some(),
"Async operations only allowed if the thread is owning the MainContext"
);
let user_data: Box<glib::thread_guard::ThreadGuard<R>> =
Box::new(glib::thread_guard::ThreadGuard::new(callback));
unsafe extern "C" fn content_serialize_async_trampoline<
R: FnOnce(Result<(), glib::Error>) + 'static,
>(
_source_object: *mut glib::gobject_ffi::GObject,
res: *mut gio::ffi::GAsyncResult,
user_data: glib::ffi::gpointer,
) {
let mut error = ptr::null_mut();
let _ = ffi::gdk_content_serialize_finish(res, &mut error);
let result = if error.is_null() {
Ok(())
} else {
Err(from_glib_full(error))
};
let callback: Box<glib::thread_guard::ThreadGuard<R>> = Box::from_raw(user_data as *mut _);
let callback = callback.into_inner();
callback(result);
}
let callback = content_serialize_async_trampoline::<R>;
unsafe {
ffi::gdk_content_serialize_async(
stream.as_ref().to_glib_none().0,
mime_type.to_glib_none().0,
value.to_glib_none().0,
io_priority.into_glib(),
cancellable.map(|p| p.as_ref()).to_glib_none().0,
Some(callback),
Box::into_raw(user_data) as *mut _,
);
}
}
pub fn content_serialize_future(
stream: &(impl IsA<gio::OutputStream> + Clone + 'static),
mime_type: &str,
value: &glib::Value,
io_priority: glib::Priority,
) -> Pin<Box<dyn future::Future<Output = Result<(), glib::Error>> + 'static>> {
assert_initialized_main_thread!();
let stream = stream.clone();
let mime_type = String::from(mime_type);
let value = value.clone();
Box::pin(gio::GioFuture::new(&(), move |_obj, cancellable, send| {
content_serialize_async(
&stream,
&mime_type,
&value,
io_priority,
Some(cancellable),
move |res| {
send.resolve(res);
},
);
}))
}
#[doc(alias = "gdk_pango_layout_line_get_clip_region")]
pub fn pango_layout_line_get_clip_region(
line: &pango::LayoutLine,
x_origin: i32,
y_origin: i32,
index_ranges: &[GRange],
) -> cairo::Region {
assert_initialized_main_thread!();
let ptr: *const i32 = index_ranges.as_ptr() as _;
unsafe {
from_glib_full(ffi::gdk_pango_layout_line_get_clip_region(
line.to_glib_none().0,
x_origin,
y_origin,
mut_override(ptr),
(index_ranges.len() / 2) as i32,
))
}
}