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C++: polish the clipboard patch

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- make sure the Platform::Clipboard type is properly documented
 - Use the actual enum in the interface (even though it is
   #[non_exhaustive] so we need to slience a warning)

CC: #3265
This commit is contained in:
Olivier Goffart 2023-08-28 13:11:25 +02:00 • committed by Olivier Goffart
parent 67423b288f
commit ded66231d1
2 changed files with 33 additions and 28 deletions
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36
api/cpp/platform.rs
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@ -141,9 +141,11 @@ struct CppPlatform {
window_factory: unsafe extern "C" fn(PlatformUserData, *mut WindowAdapterRcOpaque),
#[cfg(not(feature = "std"))]
duration_since_start: unsafe extern "C" fn(PlatformUserData) -> u64,
set_clipboard_text: unsafe extern "C" fn(PlatformUserData, &SharedString, _clipboard: u8),
clipboard_text:
unsafe extern "C" fn(PlatformUserData, &mut SharedString, _clipboard: u8) -> bool,
// silent the warning depite `Clipboard` is a `#[non_exhaustive]` enum from another crate.
#[allow(improper_ctypes_definitions)]
set_clipboard_text: unsafe extern "C" fn(PlatformUserData, &SharedString, Clipboard),
#[allow(improper_ctypes_definitions)]
clipboard_text: unsafe extern "C" fn(PlatformUserData, &mut SharedString, Clipboard) -> bool,
run_event_loop: unsafe extern "C" fn(PlatformUserData),
quit_event_loop: unsafe extern "C" fn(PlatformUserData),
invoke_from_event_loop: unsafe extern "C" fn(PlatformUserData, PlatformTaskOpaque),
@ -185,21 +187,15 @@ impl Platform for CppPlatform {
}))
}
fn set_clipboard_text(&self, _text: &str, _clipboard: Clipboard) {
let shared_text = SharedString::from(_text);
unsafe { (self.set_clipboard_text)(self.user_data, &shared_text, _clipboard as u8) }
fn set_clipboard_text(&self, text: &str, clipboard: Clipboard) {
let shared_text = SharedString::from(text);
unsafe { (self.set_clipboard_text)(self.user_data, &shared_text, clipboard) }
}
fn clipboard_text(&self, _clipboard: Clipboard) -> Option<String> {
fn clipboard_text(&self, clipboard: Clipboard) -> Option<String> {
let mut out_text = SharedString::new();
let status =
unsafe { (self.clipboard_text)(self.user_data, &mut out_text, _clipboard as u8) };
if !status {
None
} else {
String::from(out_text).into()
}
let status = unsafe { (self.clipboard_text)(self.user_data, &mut out_text, clipboard) };
status.then(|| out_text.into())
}
}
@ -232,18 +228,16 @@ impl i_slint_core::platform::EventLoopProxy for CppEventLoopProxy {
unsafe impl Send for CppEventLoopProxy {}
unsafe impl Sync for CppEventLoopProxy {}
// silent the warning depite `Clipboard` is a `#[non_exhaustive]` enum from another crate.
#[allow(improper_ctypes_definitions)]
#[no_mangle]
pub unsafe extern "C" fn slint_platform_register(
user_data: PlatformUserData,
drop: unsafe extern "C" fn(PlatformUserData),
window_factory: unsafe extern "C" fn(PlatformUserData, *mut WindowAdapterRcOpaque),
#[allow(unused)] duration_since_start: unsafe extern "C" fn(PlatformUserData) -> u64,
set_clipboard_text: unsafe extern "C" fn(PlatformUserData, &SharedString, _clipboard: u8),
clipboard_text: unsafe extern "C" fn(
PlatformUserData,
&mut SharedString,
_clipboard: u8,
) -> bool,
set_clipboard_text: unsafe extern "C" fn(PlatformUserData, &SharedString, Clipboard),
clipboard_text: unsafe extern "C" fn(PlatformUserData, &mut SharedString, Clipboard) -> bool,
run_event_loop: unsafe extern "C" fn(PlatformUserData),
quit_event_loop: unsafe extern "C" fn(PlatformUserData),
invoke_from_event_loop: unsafe extern "C" fn(PlatformUserData, PlatformTaskOpaque),