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https://github.com/slint-ui/slint.git
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107 lines
3.1 KiB
Rust
107 lines
3.1 KiB
Rust
// Copyright © SixtyFPS GmbH <info@slint-ui.com>
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// SPDX-License-Identifier: GPL-3.0-only OR LicenseRef-Slint-commercial
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/*! This crate just expose the function used by the C++ integration */
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use core::ffi::c_void;
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use i_slint_core::window::{ffi::WindowAdapterRcOpaque, WindowAdapter};
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use std::rc::Rc;
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#[cfg(feature = "experimental")]
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pub mod platform;
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#[doc(hidden)]
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#[cold]
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pub fn use_modules() -> usize {
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#[cfg(feature = "slint-interpreter")]
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slint_interpreter::use_modules();
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i_slint_backend_selector::use_modules();
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i_slint_core::use_modules()
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}
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#[no_mangle]
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pub unsafe extern "C" fn slint_windowrc_init(out: *mut WindowAdapterRcOpaque) {
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assert_eq!(
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core::mem::size_of::<Rc<dyn WindowAdapter>>(),
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core::mem::size_of::<WindowAdapterRcOpaque>()
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);
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let win = i_slint_backend_selector::with_platform(|b| b.create_window_adapter()).unwrap();
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core::ptr::write(out as *mut Rc<dyn WindowAdapter>, win);
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}
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#[no_mangle]
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pub unsafe extern "C" fn slint_run_event_loop() {
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i_slint_backend_selector::with_platform(|b| b.run_event_loop()).unwrap();
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}
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/// Will execute the given functor in the main thread
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#[no_mangle]
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pub unsafe extern "C" fn slint_post_event(
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event: extern "C" fn(user_data: *mut c_void),
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user_data: *mut c_void,
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drop_user_data: Option<extern "C" fn(*mut c_void)>,
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) {
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struct UserData {
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user_data: *mut c_void,
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drop_user_data: Option<extern "C" fn(*mut c_void)>,
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}
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impl Drop for UserData {
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fn drop(&mut self) {
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if let Some(x) = self.drop_user_data {
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x(self.user_data)
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}
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}
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}
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unsafe impl Send for UserData {}
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let ud = UserData { user_data, drop_user_data };
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i_slint_core::api::invoke_from_event_loop(move || {
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let ud = &ud;
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event(ud.user_data);
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})
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.unwrap();
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}
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#[no_mangle]
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pub unsafe extern "C" fn slint_quit_event_loop() {
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i_slint_core::api::quit_event_loop().unwrap();
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}
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#[no_mangle]
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pub unsafe extern "C" fn slint_register_font_from_path(
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win: *const WindowAdapterRcOpaque,
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path: &i_slint_core::SharedString,
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error_str: *mut i_slint_core::SharedString,
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) {
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let window_adapter = &*(win as *const Rc<dyn WindowAdapter>);
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core::ptr::write(
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error_str,
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match window_adapter.renderer().register_font_from_path(std::path::Path::new(path.as_str()))
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{
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Ok(()) => Default::default(),
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Err(err) => err.to_string().into(),
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},
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)
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}
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#[no_mangle]
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pub unsafe extern "C" fn slint_register_font_from_data(
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win: *const WindowAdapterRcOpaque,
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data: i_slint_core::slice::Slice<'static, u8>,
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error_str: *mut i_slint_core::SharedString,
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) {
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let window_adapter = &*(win as *const Rc<dyn WindowAdapter>);
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core::ptr::write(
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error_str,
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match window_adapter.renderer().register_font_from_memory(data.as_slice()) {
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Ok(()) => Default::default(),
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Err(err) => err.to_string().into(),
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},
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)
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}
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#[cfg(feature = "testing")]
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#[no_mangle]
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pub unsafe extern "C" fn slint_testing_init_backend() {
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i_slint_backend_testing::init();
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}
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