make dummy() functions const

src/event.rs

@@ -547,7 +547,7 @@ impl DeviceId {
     /// No other guarantees are made. This may be equal to a real `DeviceId`.
     ///
     /// **Passing this into a winit function will result in undefined behavior.**
-    pub unsafe fn dummy() -> Self {
+    pub const unsafe fn dummy() -> Self {
         DeviceId(platform_impl::DeviceId::dummy())
     }
 }

src/platform_impl/android/mod.rs

@@ -443,7 +443,7 @@ impl<T: 'static> EventLoopWindowTarget<T> {
 pub struct WindowId;
 
 impl WindowId {
-    pub fn dummy() -> Self {
+    pub const fn dummy() -> Self {
         WindowId
     }
 }
@@ -452,7 +452,7 @@ impl WindowId {
 pub struct DeviceId;
 
 impl DeviceId {
-    pub fn dummy() -> Self {
+    pub const fn dummy() -> Self {
         DeviceId
     }
 }

src/platform_impl/ios/mod.rs

@@ -91,7 +91,7 @@ pub struct DeviceId {
 }
 
 impl DeviceId {
-    pub unsafe fn dummy() -> Self {
+    pub const unsafe fn dummy() -> Self {
         DeviceId {
             uiscreen: std::ptr::null_mut(),
         }

src/platform_impl/ios/window.rs

@@ -611,7 +611,7 @@ pub struct WindowId {
 }
 
 impl WindowId {
-    pub unsafe fn dummy() -> Self {
+    pub const unsafe fn dummy() -> Self {
         WindowId {
             window: std::ptr::null_mut(),
         }

src/platform_impl/linux/mod.rs

@@ -141,7 +141,7 @@ pub enum WindowId {
 }
 
 impl WindowId {
-    pub unsafe fn dummy() -> Self {
+    pub const unsafe fn dummy() -> Self {
         #[cfg(feature = "wayland")]
         return WindowId::Wayland(wayland::WindowId::dummy());
         #[cfg(all(not(feature = "wayland"), feature = "x11"))]
@@ -158,7 +158,7 @@ pub enum DeviceId {
 }
 
 impl DeviceId {
-    pub unsafe fn dummy() -> Self {
+    pub const unsafe fn dummy() -> Self {
         #[cfg(feature = "wayland")]
         return DeviceId::Wayland(wayland::DeviceId::dummy());
         #[cfg(all(not(feature = "wayland"), feature = "x11"))]

src/platform_impl/linux/wayland/mod.rs

@@ -22,7 +22,7 @@ mod window;
 pub struct DeviceId;
 
 impl DeviceId {
-    pub unsafe fn dummy() -> Self {
+    pub const unsafe fn dummy() -> Self {
         DeviceId
     }
 }
@@ -31,7 +31,7 @@ impl DeviceId {
 pub struct WindowId(usize);
 
 impl WindowId {
-    pub unsafe fn dummy() -> Self {
+    pub const unsafe fn dummy() -> Self {
         WindowId(0)
     }
 }

src/platform_impl/linux/x11/mod.rs

@@ -490,7 +490,7 @@ impl<'a> Deref for DeviceInfo<'a> {
 pub struct WindowId(ffi::Window);
 
 impl WindowId {
-    pub unsafe fn dummy() -> Self {
+    pub const unsafe fn dummy() -> Self {
         WindowId(0)
     }
 }
@@ -499,7 +499,7 @@ impl WindowId {
 pub struct DeviceId(c_int);
 
 impl DeviceId {
-    pub unsafe fn dummy() -> Self {
+    pub const unsafe fn dummy() -> Self {
         DeviceId(0)
     }
 }

src/platform_impl/linux/x11/monitor.rs

@@ -130,10 +130,10 @@ impl MonitorHandle {
         })
     }
 
-    pub fn dummy() -> Self {
+    pub const fn dummy() -> Self {
         MonitorHandle {
             id: 0,
-            name: "<dummy monitor>".into(),
+            name: String::from("<dummy monitor>"),
             scale_factor: 1.0,
             dimensions: (1, 1),
             position: (0, 0),

src/platform_impl/linux/x11/util/geometry.rs

@@ -12,7 +12,7 @@ pub struct AaRect {
 }
 
 impl AaRect {
-    pub fn new((x, y): (i32, i32), (width, height): (u32, u32)) -> Self {
+    pub const fn new((x, y): (i32, i32), (width, height): (u32, u32)) -> Self {
         let (x, y) = (x as i64, y as i64);
         let (width, height) = (width as i64, height as i64);
         AaRect {

src/platform_impl/macos/mod.rs

@@ -33,7 +33,7 @@ pub(crate) use crate::icon::NoIcon as PlatformIcon;
 pub struct DeviceId;
 
 impl DeviceId {
-    pub unsafe fn dummy() -> Self {
+    pub const unsafe fn dummy() -> Self {
         DeviceId
     }
 }

src/platform_impl/macos/window.rs

@@ -51,7 +51,7 @@ use objc::{
 pub struct Id(pub usize);
 
 impl Id {
-    pub unsafe fn dummy() -> Self {
+    pub const unsafe fn dummy() -> Self {
         Id(0)
     }
 }

src/platform_impl/web/device.rs

@@ -2,7 +2,7 @@
 pub struct Id(pub i32);
 
 impl Id {
-    pub unsafe fn dummy() -> Self {
+    pub const unsafe fn dummy() -> Self {
         Id(0)
     }
 }

src/platform_impl/windows/mod.rs

@@ -58,7 +58,7 @@ unsafe impl Sync for Cursor {}
 pub struct DeviceId(u32);
 
 impl DeviceId {
-    pub unsafe fn dummy() -> Self {
+    pub const unsafe fn dummy() -> Self {
         DeviceId(0)
     }
 }
@@ -88,7 +88,7 @@ unsafe impl Send for WindowId {}
 unsafe impl Sync for WindowId {}
 
 impl WindowId {
-    pub unsafe fn dummy() -> Self {
+    pub const unsafe fn dummy() -> Self {
         use std::ptr::null_mut;
 
         WindowId(null_mut())

src/window.rs

@@ -77,7 +77,7 @@ impl WindowId {
     /// No other guarantees are made. This may be equal to a real `WindowId`.
     ///
     /// **Passing this into a winit function will result in undefined behavior.**
-    pub unsafe fn dummy() -> Self {
+    pub const unsafe fn dummy() -> Self {
         WindowId(platform_impl::WindowId::dummy())
     }
 }