slint/sixtyfps_runtime/rendering_backends/default/lib.rs
Olivier Goffart f1ad78bc25 Qt style support for the rust backend
Need to set the SIXTYFPS_STYLE=native env variable while compiling
2020-09-01 12:25:11 +02:00

74 lines
2.6 KiB
Rust

/* LICENSE BEGIN
This file is part of the SixtyFPS Project -- https://sixtyfps.io
Copyright (c) 2020 Olivier Goffart <olivier.goffart@sixtyfps.io>
Copyright (c) 2020 Simon Hausmann <simon.hausmann@sixtyfps.io>
SPDX-License-Identifier: GPL-3.0-only
This file is also available under commercial licensing terms.
Please contact info@sixtyfps.io for more information.
LICENSE END */
use sixtyfps_corelib::eventloop::ComponentWindow;
cfg_if::cfg_if! {
if #[cfg(any(target_os="windows", target_os="macos", target_os = "linux", target_os = "dragonfly", target_os = "freebsd", target_os = "openbsd", target_os = "netbsd"))] {
use sixtyfps_rendering_backend_qt as default_backend;
use default_backend::create_gl_window as create_default_window;
} else {
use sixtyfps_rendering_backend_gl as default_backend;
use default_backend::create_gl_window as create_default_window;
}
}
pub fn create_window() -> ComponentWindow {
#[cfg(any(
feature = "sixtyfps-rendering-backend-qt",
feature = "sixtyfps-rendering-backend-gl"
))]
let backend_config = std::env::var("SIXTYFPS_BACKEND").unwrap_or_default();
#[cfg(feature = "sixtyfps-rendering-backend-qt")]
if backend_config == "Qt" {
return sixtyfps_rendering_backend_qt::create_gl_window();
}
#[cfg(feature = "sixtyfps-rendering-backend-gl")]
if backend_config == "GL" {
return sixtyfps_rendering_backend_gl::create_gl_window();
}
#[cfg(any(
feature = "sixtyfps-rendering-backend-qt",
feature = "sixtyfps-rendering-backend-gl"
))]
if !backend_config.is_empty() {
eprintln!("Could not load rendering backend {}, fallback to default", backend_config)
}
create_default_window()
}
pub use default_backend::{native_widgets, NativeWidgets};
#[doc(hidden)]
#[cold]
pub fn use_modules() {
default_backend::use_modules();
#[cfg(feature = "sixtyfps-rendering-backend-qt")]
sixtyfps_rendering_backend_qt::use_modules();
#[cfg(feature = "sixtyfps-rendering-backend-gl")]
sixtyfps_rendering_backend_gl::use_modules();
}
pub mod ffi {
use sixtyfps_corelib::eventloop::ffi::ComponentWindowOpaque;
use sixtyfps_corelib::eventloop::ComponentWindow;
#[no_mangle]
pub unsafe extern "C" fn sixtyfps_component_window_init(out: *mut ComponentWindowOpaque) {
assert_eq!(
core::mem::size_of::<ComponentWindow>(),
core::mem::size_of::<ComponentWindowOpaque>()
);
core::ptr::write(out as *mut ComponentWindow, crate::create_window());
}
}