Desktop: Add taskbar icon on Windows (#3225)

* include icon as resource on windows

* load icon

Author: timon-schelling

Cargo.lock

@@ -48,7 +48,7 @@ serde = { workspace = true }
 ash = { version = "0.38", optional = true }
 
 # Windows-specific dependencies
-[target.'cfg(windows)'.dependencies]
+[target.'cfg(target_os = "windows")'.dependencies]
 windows = { version = "0.58.0", features = [
 	"Win32_Foundation",
 	"Win32_Graphics_Direct3D11",
@@ -72,3 +72,6 @@ core-foundation = { version = "0.9", optional = true }
 # Linux-specific dependencies
 [target.'cfg(target_os = "linux")'.dependencies]
 libc = { version = "0.2", optional = true }
+
+[target.'cfg(target_os = "windows")'.build-dependencies]
+winres = "0.1"

desktop/Cargo.toml

@@ -0,0 +1,8 @@
+fn main() {
+	#[cfg(target_os = "windows")]
+	{
+		let mut res = winres::WindowsResource::new();
+		res.set_icon("assets/graphite-icon-color.ico");
+		res.compile().expect("Failed to compile Windows resources");
+	}
+}

desktop/assets/graphite-icon-color.ico

@@ -39,8 +39,17 @@ impl NativeWindowHandle {
 			} else {
 				let x11_window = WindowAttributesX11::default().with_name(APP_ID, APP_NAME);
 				window.with_platform_attributes(Box::new(x11_window))
+			};
+		}
+
+		#[cfg(target_os = "windows")]
+		{
+			if let Ok(win_icon) = winit::platform::windows::WinIcon::from_resource(1, None) {
+				let icon = winit::icon::Icon(std::sync::Arc::new(win_icon));
+				window = window.with_window_icon(Some(icon));
 			}
 		}
+
 		window
 	}
 	#[allow(unused_variables)]