Adds a dummy clipboard to fix building for unsupported platforms.

src/common.rs

@@ -30,6 +30,7 @@ pub enum Error {
 	/// This can be caused by a few conditions:
 	/// - Using the Primary clipboard with an older Wayland compositor (that doesn't support version 2)
 	/// - Using the Secondary clipboard on Wayland
+	/// - Using the clipboard on an unsupported platform
 	#[error("The selected clipboard is not supported with the current system configuration.")]
 	ClipboardNotSupported,
 

src/dummy_clipboard.rs

@@ -0,0 +1,44 @@
+use crate::Error;
+#[cfg(feature = "image-data")]
+use crate::ImageData;
+
+#[derive(Default, Debug)]
+pub struct DummyClipboard {}
+
+impl DummyClipboard {
+	pub fn new() -> Result<Self, Error> {
+		Ok(DummyClipboard::default())
+	}
+
+	/// Fetches utf-8 text from the clipboard and returns it.
+	pub fn get_text(&mut self) -> Result<String, Error> {
+		Err(Error::ContentNotAvailable)
+	}
+
+	/// Places the text onto the clipboard. Any valid utf-8 string is accepted.
+	pub fn set_text(&mut self, _text: String) -> Result<(), Error> {
+		Err(Error::ClipboardNotSupported)
+	}
+
+	/// Fetches image data from the clipboard, and returns the decoded pixels.
+	///
+	/// Any image data placed on the clipboard with `set_image` will be possible read back, using
+	/// this function. However it's of not guaranteed that an image placed on the clipboard by any
+	/// other application will be of a supported format.
+	#[cfg(feature = "image-data")]
+	pub fn get_image(&mut self) -> Result<ImageData<'static>, Error> {
+		Err(Error::ContentNotAvailable)
+	}
+
+	/// Places an image to the clipboard.
+	///
+	/// The chosen output format, depending on the platform is the following:
+	///
+	/// - On macOS: `NSImage` object
+	/// - On Linux: PNG, under the atom `image/png`
+	/// - On Windows: In order of priority `CF_DIB` and `CF_BITMAP`
+	#[cfg(feature = "image-data")]
+	pub fn set_image(&mut self, _image: ImageData) -> Result<(), Error> {
+		Err(Error::ClipboardNotSupported)
+	}
+}

src/lib.rs

@@ -35,13 +35,27 @@ pub mod windows_clipboard;
 #[cfg(target_os = "macos")]
 pub mod osx_clipboard;
 
+#[cfg(not(any(
+	all(unix, not(any(target_os = "macos", target_os = "android", target_os = "emscripten"))),
+	windows,
+	target_os = "macos"
+)))]
+pub mod dummy_clipboard; // Unsupported platforms
+
 #[cfg(all(unix, not(any(target_os = "macos", target_os = "android", target_os = "emscripten")),))]
 type PlatformClipboard = common_linux::LinuxClipboard;
 #[cfg(windows)]
 type PlatformClipboard = windows_clipboard::WindowsClipboardContext;
 #[cfg(target_os = "macos")]
 type PlatformClipboard = osx_clipboard::OSXClipboardContext;
 
+#[cfg(not(any(
+	all(unix, not(any(target_os = "macos", target_os = "android", target_os = "emscripten"))),
+	windows,
+	target_os = "macos"
+)))]
+type PlatformClipboard = dummy_clipboard::DummyClipboard; // Unsupported platforms
+
 #[cfg(all(
 	unix,
 	not(any(target_os = "macos", target_os = "android", target_os = "emscripten")),