disable cancel on linux (#392)

src-tauri/src/shortcut.rs

@@ -739,6 +739,15 @@ pub fn resume_binding(app: AppHandle, id: String) -> Result<(), String> {
 }
 
 pub fn register_cancel_shortcut(app: &AppHandle) {
+    // Cancel shortcut is disabled on Linux due to instability with dynamic shortcut registration
+    #[cfg(target_os = "linux")]
+    {
+        let _ = app;
+        return;
+    }
+
+    #[cfg(not(target_os = "linux"))]
+    {
         let app_clone = app.clone();
         tauri::async_runtime::spawn(async move {
             if let Some(cancel_binding) = get_settings(&app_clone).bindings.get("cancel").cloned() {
@@ -748,8 +757,18 @@ pub fn register_cancel_shortcut(app: &AppHandle) {
             }
         });
     }
+}
 
 pub fn unregister_cancel_shortcut(app: &AppHandle) {
+    // Cancel shortcut is disabled on Linux due to instability with dynamic shortcut registration
+    #[cfg(target_os = "linux")]
+    {
+        let _ = app;
+        return;
+    }
+
+    #[cfg(not(target_os = "linux"))]
+    {
         let app_clone = app.clone();
         tauri::async_runtime::spawn(async move {
             if let Some(cancel_binding) = get_settings(&app_clone).bindings.get("cancel").cloned() {
@@ -758,6 +777,7 @@ pub fn unregister_cancel_shortcut(app: &AppHandle) {
             }
         });
     }
+}
 
 pub fn register_shortcut(app: &AppHandle, binding: ShortcutBinding) -> Result<(), String> {
     // Validate human-level rules first

src/components/settings/debug/DebugSettings.tsx

@@ -1,4 +1,5 @@
 import React from "react";
+import { type } from "@tauri-apps/plugin-os";
 import { WordCorrectionThreshold } from "./WordCorrectionThreshold";
 import { LogDirectory } from "./LogDirectory";
 import { LogLevelSelector } from "./LogLevelSelector";
@@ -17,6 +18,7 @@ import { useSettings } from "../../../hooks/useSettings";
 export const DebugSettings: React.FC = () => {
   const { getSetting } = useSettings();
   const pushToTalk = getSetting("push_to_talk");
+  const isLinux = type() === "linux";
 
   return (
     <div className="max-w-3xl w-full mx-auto space-y-6">
@@ -38,11 +40,14 @@ export const DebugSettings: React.FC = () => {
         <ClamshellMicrophoneSelector descriptionMode="tooltip" grouped={true} />
         <PostProcessingToggle descriptionMode="tooltip" grouped={true} />
         <MuteWhileRecording descriptionMode="tooltip" grouped={true} />
+        {/* Cancel shortcut is disabled on Linux due to instability with dynamic shortcut registration */}
+        {!isLinux && (
           <HandyShortcut
             shortcutId="cancel"
             grouped={true}
             disabled={pushToTalk}
           />
+        )}
       </SettingsGroup>
     </div>
   );