use crate::{ContentFormats, Device, Display, Drag, DragAction, Surface};
use glib::{
prelude::*,
signal::{connect_raw, SignalHandlerId},
translate::*,
};
use std::{boxed::Box as Box_, pin::Pin};
glib::wrapper! {
#[doc(alias = "GdkDrop")]
pub struct Drop(Object<ffi::GdkDrop>);
match fn {
type_ => || ffi::gdk_drop_get_type(),
}
}
impl Drop {
#[doc(alias = "gdk_drop_finish")]
pub fn finish(&self, action: DragAction) {
unsafe {
ffi::gdk_drop_finish(self.to_glib_none().0, action.into_glib());
}
}
#[doc(alias = "gdk_drop_get_actions")]
#[doc(alias = "get_actions")]
pub fn actions(&self) -> DragAction {
unsafe { from_glib(ffi::gdk_drop_get_actions(self.to_glib_none().0)) }
}
#[doc(alias = "gdk_drop_get_device")]
#[doc(alias = "get_device")]
pub fn device(&self) -> Device {
unsafe { from_glib_none(ffi::gdk_drop_get_device(self.to_glib_none().0)) }
}
#[doc(alias = "gdk_drop_get_display")]
#[doc(alias = "get_display")]
pub fn display(&self) -> Display {
unsafe { from_glib_none(ffi::gdk_drop_get_display(self.to_glib_none().0)) }
}
#[doc(alias = "gdk_drop_get_drag")]
#[doc(alias = "get_drag")]
pub fn drag(&self) -> Option<Drag> {
unsafe { from_glib_none(ffi::gdk_drop_get_drag(self.to_glib_none().0)) }
}
#[doc(alias = "gdk_drop_get_formats")]
#[doc(alias = "get_formats")]
pub fn formats(&self) -> ContentFormats {
unsafe { from_glib_none(ffi::gdk_drop_get_formats(self.to_glib_none().0)) }
}
#[doc(alias = "gdk_drop_get_surface")]
#[doc(alias = "get_surface")]
pub fn surface(&self) -> Surface {
unsafe { from_glib_none(ffi::gdk_drop_get_surface(self.to_glib_none().0)) }
}
#[doc(alias = "gdk_drop_read_value_async")]
pub fn read_value_async<P: FnOnce(Result<glib::Value, glib::Error>) + 'static>(
&self,
type_: glib::types::Type,
io_priority: glib::Priority,
cancellable: Option<&impl IsA<gio::Cancellable>>,
callback: P,
) {
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<P>> =
Box_::new(glib::thread_guard::ThreadGuard::new(callback));
unsafe extern "C" fn read_value_async_trampoline<
P: 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 = std::ptr::null_mut();
let ret = ffi::gdk_drop_read_value_finish(_source_object as *mut _, res, &mut error);
let result = if error.is_null() {
Ok(from_glib_none(ret))
} else {
Err(from_glib_full(error))
};
let callback: Box_<glib::thread_guard::ThreadGuard<P>> =
Box_::from_raw(user_data as *mut _);
let callback: P = callback.into_inner();
callback(result);
}
let callback = read_value_async_trampoline::<P>;
unsafe {
ffi::gdk_drop_read_value_async(
self.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 read_value_future(
&self,
type_: glib::types::Type,
io_priority: glib::Priority,
) -> Pin<Box_<dyn std::future::Future<Output = Result<glib::Value, glib::Error>> + 'static>>
{
Box_::pin(gio::GioFuture::new(self, move |obj, cancellable, send| {
obj.read_value_async(type_, io_priority, Some(cancellable), move |res| {
send.resolve(res);
});
}))
}
#[doc(alias = "gdk_drop_status")]
pub fn status(&self, actions: DragAction, preferred: DragAction) {
unsafe {
ffi::gdk_drop_status(
self.to_glib_none().0,
actions.into_glib(),
preferred.into_glib(),
);
}
}
#[doc(alias = "display")]
pub fn connect_display_notify<F: Fn(&Self) + 'static>(&self, f: F) -> SignalHandlerId {
unsafe extern "C" fn notify_display_trampoline<F: Fn(&Drop) + 'static>(
this: *mut ffi::GdkDrop,
_param_spec: glib::ffi::gpointer,
f: glib::ffi::gpointer,
) {
let f: &F = &*(f as *const F);
f(&from_glib_borrow(this))
}
unsafe {
let f: Box_<F> = Box_::new(f);
connect_raw(
self.as_ptr() as *mut _,
b"notify::display\0".as_ptr() as *const _,
Some(std::mem::transmute::<_, unsafe extern "C" fn()>(
notify_display_trampoline::<F> as *const (),
)),
Box_::into_raw(f),
)
}
}
}