feat: support Pause/PauseBreak key

closes #86

.changes/pause-key.md

@@ -0,0 +1,5 @@
+---
+"global-hotkey": patch
+---
+
+Support using `Pause` or `PauseBreak` key on Windows and Linux.

src/hotkey.rs

@@ -237,6 +237,7 @@ fn parse_key(key: &str) -> Result<Code, HotKeyParseError> {
         "BACKSLASH" | "\\" => Ok(Backslash),
         "BRACKETLEFT" | "[" => Ok(BracketLeft),
         "BRACKETRIGHT" | "]" => Ok(BracketRight),
+        "PAUSE" | "PAUSEBREAK" => Ok(Pause),
         "COMMA" | "," => Ok(Comma),
         "DIGIT0" | "0" => Ok(Digit0),
         "DIGIT1" | "1" => Ok(Digit1),

src/platform_impl/macos/mod.rs

@@ -407,8 +407,7 @@ struct HotKeyWrapper {
     hotkey: HotKey,
 }
 
-// https://macbiblioblog.blogspot.com/2014/12/key-codes-for-function-and-special-keys.html
-// can also be found in /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX10.10.sdk/System/Library/Frameworks/Carbon.framework/Versions/A/Frameworks/HIToolbox.framework/Versions/A/Headers/Events.h
+// can be found in https://github.com/phracker/MacOSX-SDKs/blob/master/MacOSX10.6.sdk/System/Library/Frameworks/Carbon.framework/Versions/A/Frameworks/HIToolbox.framework/Versions/A/Headers/Events.h
 pub fn key_to_scancode(code: Code) -> Option<u32> {
     match code {
         Code::KeyA => Some(0x00),

src/platform_impl/windows/mod.rs

@@ -303,6 +303,7 @@ fn key_to_vk(key: &Code) -> Option<VIRTUAL_KEY> {
         Code::MediaStop => VK_MEDIA_STOP,
         Code::MediaTrackNext => VK_MEDIA_NEXT_TRACK,
         Code::MediaTrackPrevious => VK_MEDIA_PREV_TRACK,
+        Code::Pause => VK_PAUSE,
         _ => return None,
     })
 }

src/platform_impl/x11/mod.rs

@@ -403,6 +403,7 @@ fn keycode_to_x11_scancode(key: Code) -> Option<u32> {
         Code::MediaStop => keysym::XF86XK_AudioStop,
         Code::MediaTrackNext => keysym::XF86XK_AudioNext,
         Code::MediaTrackPrevious => keysym::XF86XK_AudioPrev,
+        Code::Pause => keysym::XK_Pause,
         _ => return None,
     })
 }