优化更新

main.py

@@ -87,21 +87,19 @@ class GlobalHotkey(QAbstractNativeEventFilter):
         super().__init__()
         self._panel = panel
         self._ball  = ball
-        self._hwnd  = None
 
     def install(self):
         if sys.platform != "win32":
             return
-        # 用一个隐藏窗口的 HWND 来接收 WM_HOTKEY
-        self._hwnd = int(self._panel.winId())
+        # 注册线程级别的全局热键，避免因主窗口 hide/show 导致 HWND 重建/失效
         ctypes.windll.user32.RegisterHotKey(
-            self._hwnd, self._HOTKEY_ID, self._MOD_ALT, self._VK_BACKTICK
+            None, self._HOTKEY_ID, self._MOD_ALT, self._VK_BACKTICK
         )
         QApplication.instance().installNativeEventFilter(self)
 
     def uninstall(self):
-        if self._hwnd:
-            ctypes.windll.user32.UnregisterHotKey(self._hwnd, self._HOTKEY_ID)
+        if sys.platform == "win32":
+            ctypes.windll.user32.UnregisterHotKey(None, self._HOTKEY_ID)
         QApplication.instance().removeNativeEventFilter(self)
 
     def nativeEventFilter(self, event_type, message):
@@ -114,7 +112,7 @@ class GlobalHotkey(QAbstractNativeEventFilter):
         return False, 0
 
     def _toggle(self):
-        if self._panel.isVisible():
+        if self._panel.is_really_visible():
             self._panel.minimize_to_ball()
         else:
             self._panel.show_near(self._ball.pos(), BALL_SIZE)