Update winit to 0.20

winit/src/application.rs

@@ -138,10 +138,7 @@ pub trait Application: Sized {
 
             window_builder = window_builder
                 .with_title(&title)
-                .with_inner_size(winit::dpi::LogicalSize {
-                    width: f64::from(width),
-                    height: f64::from(height),
-                })
+                .with_inner_size(winit::dpi::LogicalSize { width, height })
                 .with_resizable(settings.window.resizable)
                 .with_decorations(settings.window.decorations)
                 .with_fullscreen(conversion::fullscreen(
@@ -161,18 +158,22 @@ pub trait Application: Sized {
             window_builder.build(&event_loop).expect("Open window")
         };
 
-        let dpi = window.hidpi_factor();
-        let mut size = window.inner_size();
+        let mut scale_factor = window.scale_factor();
+        let mut size = window.inner_size().to_logical::<f64>(scale_factor);
         let mut resized = false;
 
         let clipboard = Clipboard::new(&window);
         let mut renderer = Self::Renderer::new(renderer_settings);
 
         let mut target = {
-            let (width, height) = to_physical(size, dpi);
+            let (width, height) = to_physical(size, scale_factor);
 
             <Self::Renderer as window::Renderer>::Target::new(
-                &window, width, height, dpi as f32, &renderer,
+                &window,
+                width,
+                height,
+                scale_factor as f32,
+                &renderer,
             )
         };
 
@@ -191,6 +192,7 @@ pub trait Application: Sized {
         let mut cache = Some(user_interface.into_cache());
         let mut events = Vec::new();
         let mut mouse_cursor = MouseCursor::OutOfBounds;
+        let mut modifiers = winit::event::ModifiersState::default();
         debug.startup_finished();
 
         window.request_redraw();
@@ -303,13 +305,12 @@ pub trait Application: Sized {
                 debug.render_started();
 
                 if resized {
-                    let dpi = window.hidpi_factor();
-                    let (width, height) = to_physical(size, dpi);
+                    let (width, height) = to_physical(size, scale_factor);
 
                     target.resize(
                         width,
                         height,
-                        window.hidpi_factor() as f32,
+                        scale_factor as f32,
                         &renderer,
                     );
 
@@ -337,18 +338,21 @@ pub trait Application: Sized {
                 ..
             } => match window_event {
                 WindowEvent::Resized(new_size) => {
+                    size = new_size.to_logical(scale_factor);
+
                     events.push(Event::Window(window::Event::Resized {
-                        width: new_size.width.round() as u32,
-                        height: new_size.height.round() as u32,
+                        width: size.width.round() as u32,
+                        height: size.height.round() as u32,
                     }));
 
-                    size = new_size;
                     resized = true;
                 }
                 WindowEvent::CloseRequested => {
                     *control_flow = ControlFlow::Exit;
                 }
                 WindowEvent::CursorMoved { position, .. } => {
+                    let position = position.to_logical::<f64>(scale_factor);
+
                     events.push(Event::Mouse(mouse::Event::CursorMoved {
                         x: position.x as f32,
                         y: position.y as f32,
@@ -397,7 +401,6 @@ pub trait Application: Sized {
                         winit::event::KeyboardInput {
                             virtual_keycode: Some(virtual_keycode),
                             state,
-                            modifiers,
                             ..
                         },
                     ..
@@ -427,8 +430,20 @@ pub trait Application: Sized {
                 WindowEvent::HoveredFileCancelled => {
                     events.push(Event::Window(window::Event::FilesHoveredLeft));
                 }
+                WindowEvent::ScaleFactorChanged {
+                    scale_factor: new_scale_factor,
+                    ..
+                } => {
+                    scale_factor = new_scale_factor;
+                }
                 _ => {}
             },
+            event::Event::DeviceEvent {
+                event: event::DeviceEvent::ModifiersChanged(new_modifiers),
+                ..
+            } => {
+                modifiers = new_modifiers;
+            }
             _ => {
                 *control_flow = ControlFlow::Wait;
             }
@@ -440,7 +455,7 @@ fn build_user_interface<'a, A: Application>(
     application: &'a mut A,
     cache: Cache,
     renderer: &mut A::Renderer,
-    size: winit::dpi::LogicalSize,
+    size: winit::dpi::LogicalSize<f64>,
     debug: &mut Debug,
 ) -> UserInterface<'a, A::Message, A::Renderer> {
     debug.view_started();
@@ -459,12 +474,12 @@ fn build_user_interface<'a, A: Application>(
     user_interface
 }
 
-fn to_physical(size: winit::dpi::LogicalSize, dpi: f64) -> (u16, u16) {
-    let physical_size = size.to_physical(dpi);
+fn to_physical(size: winit::dpi::LogicalSize<f64>, dpi: f64) -> (u32, u32) {
+    let physical_size = size.to_physical::<f64>(dpi);
 
     (
-        physical_size.width.round() as u16,
-        physical_size.height.round() as u16,
+        physical_size.width.round() as u32,
+        physical_size.height.round() as u32,
     )
 }
 

winit/src/conversion.rs

@@ -74,10 +74,10 @@ pub fn modifiers_state(
     modifiers: winit::event::ModifiersState,
 ) -> ModifiersState {
     ModifiersState {
-        shift: modifiers.shift,
-        control: modifiers.ctrl,
-        alt: modifiers.alt,
-        logo: modifiers.logo,
+        shift: modifiers.shift(),
+        control: modifiers.ctrl(),
+        alt: modifiers.alt(),
+        logo: modifiers.logo(),
     }
 }