Update clipboard-win to v5 and replace winapi with windows-sys (#123)

* Refactor Windows code to be more idiomatic

Cargo.toml

@@ -12,7 +12,7 @@ rust-version = "1.61"
 
 [features]
 default = ["image-data"]
-image-data = ["core-graphics", "image", "winapi/minwindef", "winapi/wingdi", "winapi/winnt"]
+image-data = ["core-graphics", "image", "windows-sys"]
 wayland-data-control = ["wl-clipboard-rs"]
 
 [dependencies]
@@ -22,12 +22,14 @@ thiserror = "1.0"
 env_logger = "0.9.0"
 
 [target.'cfg(windows)'.dependencies]
-winapi = { version = "0.3.9", optional = true, features = [
-    "basetsd",
-    "winuser",
-    "winbase",
+windows-sys = { version = "0.48.0", optional = true, features = [
+    "Win32_Foundation",
+    "Win32_Graphics_Gdi",
+    "Win32_System_DataExchange",
+    "Win32_System_Memory",
+    "Win32_System_Ole",
 ]}
-clipboard-win = "4.4.2"
+clipboard-win = "5.0.0"
 log = "0.4"
 
 [target.'cfg(target_os = "macos")'.dependencies]

src/common.rs

@@ -85,6 +85,13 @@ impl std::fmt::Debug for Error {
 	}
 }
 
+impl Error {
+	#[cfg(windows)]
+	pub(crate) fn unknown<M: Into<String>>(message: M) -> Self {
+		Error::Unknown { description: message.into() }
+	}
+}
+
 /// Stores pixel data of an image.
 ///
 /// Each element in `bytes` stores the value of a channel of a single pixel.