add cancel operation keyboard shortcut

utils/hotkey_manager.py

@@ -40,6 +40,12 @@ class HotkeyManager:
                 lambda: self.hotkey_play_last_audio_trigger()
             ))
             
+            # Add cancel operation hotkey
+            self.hotkeys.append(keyboard.add_hotkey(
+                self.format_shortcut(hotkey_settings["cancel_operation"]), 
+                lambda: self.hotkey_cancel_operation_trigger()
+            ))
+            
             return True
         except Exception as e:
             print(f"Error registering hotkeys: {e}")
@@ -181,6 +187,48 @@ class HotkeyManager:
             else:
                 self.app.stop_recording(auto_play=True)
     
+    def hotkey_cancel_operation_trigger(self):
+        """Cancel current operation (recording or playback)."""
+        print("Cancel operation hotkey triggered")
+        
+        # Play feedback sound first
+        self.app.play_sound('assets/pop.wav')
+        
+        # For recording cancellation
+        if self.app.recording:
+            print("Canceling recording operation")
+            # Schedule the stop_recording call on the main thread to avoid threading issues
+            self.app.after(100, lambda: self._safe_cancel_recording())
+            return
+            
+        # For playback cancellation
+        if hasattr(self.app, 'is_playing') and self.app.is_playing:
+            print("Canceling playback operation")
+            # Schedule the stop_playback call on the main thread to avoid threading issues
+            self.app.after(100, lambda: self._safe_cancel_playback())
+            return
+            
+        print("No active operation to cancel")
+    
+    def _safe_cancel_recording(self):
+        """Safely cancel recording on the main thread."""
+        try:
+            if self.app.recording:
+                self.app.stop_recording(cancel_save=True)
+                self.app.recording = False
+                print("Recording cancelled successfully")
+        except Exception as e:
+            print(f"Error canceling recording: {e}")
+    
+    def _safe_cancel_playback(self):
+        """Safely cancel playback on the main thread."""
+        try:
+            if hasattr(self.app, 'stop_playback') and callable(self.app.stop_playback):
+                self.app.stop_playback()
+                print("Playback cancelled successfully")
+        except Exception as e:
+            print(f"Error canceling playback: {e}")
+    
     @staticmethod
     def hotkey_settings_dialog(app):
         """Show the hotkey settings dialog with interactive key capture."""
@@ -712,7 +760,8 @@ class HotkeyManager:
                 default_shortcuts = {
                     "record_start_stop": ["ctrl", "shift", "0"],
                     "stop_recording": ["ctrl", "shift", "9"],
-                    "play_last_audio": ["ctrl", "shift", "8"]
+                    "play_last_audio": ["ctrl", "shift", "8"],
+                    "cancel_operation": ["ctrl", "shift", "1"]
                 }
                 
                 # Update settings
@@ -763,6 +812,7 @@ class HotkeyManager:
         record_shortcut = hotkey_manager.format_shortcut(settings["hotkeys"]["record_start_stop"])
         play_shortcut = hotkey_manager.format_shortcut(settings["hotkeys"]["play_last_audio"])
         stop_shortcut = hotkey_manager.format_shortcut(settings["hotkeys"]["stop_recording"])
+        cancel_shortcut = hotkey_manager.format_shortcut(settings["hotkeys"]["cancel_operation"])
 
         instructions = f"""Available Hotkeys:
 
@@ -775,6 +825,9 @@ class HotkeyManager:
 3. {stop_shortcut} - Stop Recording
    Immediately stops any active recording.
 
+4. {cancel_shortcut} - Cancel Operation
+   Cancels the current operation (recording or playback) without saving or processing.
+
 These hotkeys work globally across your system, even when the app is minimized.
 You can customize these hotkeys in Settings → Hotkey Settings.