fix: parse Arrow* in a accelerator string (#609)

ref: tauri-apps/tauri#5516

.changes/accelerator-arrowup.md

@@ -0,0 +1,5 @@
+---
+"tao": "patch"
+---
+
+Add support for parsing `ArrowUp`, `ArrowDown`, `ArrowLeft` and `ArrowRight` in a str as valid key. Previously only `Up`, `Down`, `Left` and `Right` worked.

src/accelerator.rs

@@ -310,7 +310,7 @@ fn parse_accelerator(accelerator_string: &str) -> Result<Accelerator, Accelerato
   let mut mods = ModifiersState::empty();
   let mut key = KeyCode::Unidentified(NativeKeyCode::Unidentified);
 
-  for raw in accelerator_string.to_uppercase().split('+') {
+  for raw in accelerator_string.split('+') {
     let token = raw.trim().to_string();
     if token.is_empty() {
       return Err(AcceleratorParseError(
@@ -330,7 +330,7 @@ fn parse_accelerator(accelerator_string: &str) -> Result<Accelerator, Accelerato
       )));
     }
 
-    match token.as_str() {
+    match token.to_uppercase().as_str() {
       "OPTION" | "ALT" => {
         mods.set(ModifiersState::ALT, true);
       }
@@ -350,7 +350,7 @@ fn parse_accelerator(accelerator_string: &str) -> Result<Accelerator, Accelerato
         mods.set(ModifiersState::CONTROL, true);
       }
       _ => {
-        if let Ok(keycode) = KeyCode::from_str(token.to_uppercase().as_str()) {
+        if let Ok(keycode) = KeyCode::from_str(&token) {
           match keycode {
             KeyCode::Unidentified(_) => {
               return Err(AcceleratorParseError(format!(

src/keyboard.rs

@@ -754,10 +754,10 @@ impl FromStr for KeyCode {
       "PAGEDOWN" => KeyCode::PageDown,
       "PAGEUP" => KeyCode::PageUp,
 
-      "DOWN" => KeyCode::ArrowDown,
-      "UP" => KeyCode::ArrowUp,
-      "LEFT" => KeyCode::ArrowLeft,
-      "RIGHT" => KeyCode::ArrowRight,
+      "DOWN" | "ARROWDOWN" => KeyCode::ArrowDown,
+      "UP" | "ARROWUP" => KeyCode::ArrowUp,
+      "LEFT" | "ARROWLEFT" => KeyCode::ArrowLeft,
+      "RIGHT" | "ARROWRIGHT" => KeyCode::ArrowRight,
 
       "NUMLOCK" => KeyCode::NumLock,
       "NUMADD" | "NUMPADADD" => KeyCode::NumpadAdd,