feat: no-op implementations (#64)

closes #63

.changes/no-op.md

@@ -0,0 +1,5 @@
+---
+"global-hotkey": "patch"
+---
+
+Add no-op implementations for unsupported targets.

src/lib.rs

@@ -63,9 +63,9 @@ use hotkey::HotKey;
 /// Describes the state of the [`HotKey`].
 #[derive(Debug, Clone, Copy, PartialEq, Eq, PartialOrd, Ord)]
 pub enum HotKeyState {
-    /// The [`HotKey`] is pressed (the key is down).  
+    /// The [`HotKey`] is pressed (the key is down).
     Pressed,
-    /// The [`HotKey`] is released (the key is up).  
+    /// The [`HotKey`] is released (the key is up).
     Released,
 }
 

src/platform_impl/mod.rs

@@ -5,11 +5,29 @@
 #[cfg(target_os = "windows")]
 #[path = "windows/mod.rs"]
 mod platform;
-#[cfg(target_os = "linux")]
+#[cfg(any(
+    target_os = "linux",
+    target_os = "dragonfly",
+    target_os = "freebsd",
+    target_os = "openbsd",
+    target_os = "netbsd"
+))]
 #[path = "x11/mod.rs"]
 mod platform;
 #[cfg(target_os = "macos")]
 #[path = "macos/mod.rs"]
 mod platform;
 
+#[cfg(not(any(
+    target_os = "windows",
+    target_os = "linux",
+    target_os = "dragonfly",
+    target_os = "freebsd",
+    target_os = "openbsd",
+    target_os = "netbsd",
+    target_os = "macos"
+)))]
+#[path = "no-op.rs"]
+mod platform;
+
 pub(crate) use self::platform::*;

src/platform_impl/no-op.rs

@@ -0,0 +1,38 @@
+// Copyright 2022-2022 Tauri Programme within The Commons Conservancy
+// SPDX-License-Identifier: Apache-2.0
+// SPDX-License-Identifier: MIT
+// Copyright 2022-2022 Tauri Programme within The Commons Conservancy
+// SPDX-License-Identifier: Apache-2.0
+// SPDX-License-Identifier: MIT
+
+use crate::hotkey::HotKey;
+
+pub struct GlobalHotKeyManager {}
+
+impl GlobalHotKeyManager {
+    pub fn new() -> crate::Result<Self> {
+        Ok(Self {})
+    }
+
+    pub fn register(&self, hotkey: HotKey) -> crate::Result<()> {
+        Ok(())
+    }
+
+    pub fn unregister(&self, hotkey: HotKey) -> crate::Result<()> {
+        Ok(())
+    }
+
+    pub fn register_all(&self, hotkeys: &[HotKey]) -> crate::Result<()> {
+        for hotkey in hotkeys {
+            self.register(*hotkey)?;
+        }
+        Ok(())
+    }
+
+    pub fn unregister_all(&self, hotkeys: &[HotKey]) -> crate::Result<()> {
+        for hotkey in hotkeys {
+            self.unregister(*hotkey)?;
+        }
+        Ok(())
+    }
+}