language-servers/slint
1
0
Fork 0
mirror of https://github.com/slint-ui/slint.git synced 2025-10-03 07:04:34 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions 5

Tweak the html canvas handling

Browse source 
Refresh the canvas size if the browser window gets resized, for example due to orientation changes.
This commit is contained in:
Simon Hausmann 2020-11-26 10:39:51 +01:00
parent a53fa707ed
commit fc4656571f
1 changed files with 40 additions and 3 deletions
Download patch file Download diff file Expand all files Collapse all files

43
sixtyfps_runtime/rendering_backends/gl/lib.rs
View file

@ -199,6 +199,9 @@ impl GLRenderer {
(windowed_context, gl_context)
};
#[cfg(target_arch = "wasm32")]
let event_loop_proxy = Rc::new(event_loop.create_proxy());
#[cfg(target_arch = "wasm32")]
let (window, context) = {
let canvas = web_sys::window()
@ -213,8 +216,6 @@ impl GLRenderer {
use winit::platform::web::WindowBuilderExtWebSys;
use winit::platform::web::WindowExtWebSys;
// Try to maintain the existing size of the canvas element. A window created with winit
// on the web will always have 1024x768 as size otherwise.
let existing_canvas_size = winit::dpi::LogicalSize::new(
canvas.client_width() as u32,
canvas.client_height() as u32,
@ -223,6 +224,42 @@ impl GLRenderer {
let window =
Rc::new(window_builder.with_canvas(Some(canvas)).build(&event_loop).unwrap());
// Try to maintain the existing size of the canvas element. A window created with winit
// on the web will always have 1024x768 as size otherwise.
let resize_canvas = {
let event_loop_proxy = event_loop_proxy.clone();
let canvas = web_sys::window()
.unwrap()
.document()
.unwrap()
.get_element_by_id(canvas_id)
.unwrap()
.dyn_into::<web_sys::HtmlCanvasElement>()
.unwrap();
let window = window.clone();
move |_: web_sys::Event| {
let existing_canvas_size = winit::dpi::LogicalSize::new(
canvas.client_width() as u32,
canvas.client_height() as u32,
);
window.set_inner_size(existing_canvas_size);
window.request_redraw();
event_loop_proxy
.send_event(sixtyfps_corelib::eventloop::CustomEvent::WakeUpAndPoll)
.ok();
}
};
let resize_closure =
wasm_bindgen::closure::Closure::wrap(Box::new(resize_canvas) as Box<dyn FnMut(_)>);
web_sys::window()
.unwrap()
.add_event_listener_with_callback("resize", resize_closure.as_ref().unchecked_ref())
.unwrap();
resize_closure.forget();
{
let default_size = window.inner_size().to_logical(window.scale_factor());
let new_size = winit::dpi::LogicalSize::new(
@ -282,7 +319,7 @@ impl GLRenderer {
#[cfg(target_arch = "wasm32")]
window,
#[cfg(target_arch = "wasm32")]
event_loop_proxy: Rc::new(event_loop.create_proxy()),
event_loop_proxy,
#[cfg(not(target_arch = "wasm32"))]
windowed_context: Some(unsafe { windowed_context.make_not_current().unwrap() }),
normal_rectangle: None,