feat: 新版本时提醒参数设置导航 (#103)

client/src/update_ui_event.py

@@ -117,6 +117,8 @@ class UpdateDownloadWorker(QObject):
 class UpdateUiEventBinder(QObject):
     """管理更新配置、保存反馈和两个后台线程。"""
 
+    updateAvailabilityChanged = pyqtSignal(bool, str, str)
+
     def __init__(
         self,
         page,
@@ -300,13 +302,27 @@ class UpdateUiEventBinder(QObject):
     def _on_check_succeeded(self, result: UpdateCheckResult) -> None:
         if self._closing:
             return
+        self._page.set_update_versions(
+            result.current_version,
+            result.latest_version,
+        )
         if not result.available or result.update is None:
+            self.updateAvailabilityChanged.emit(
+                False,
+                result.current_version,
+                result.latest_version,
+            )
             self._page.set_update_status(
                 f"当前已是最新版本（{result.current_version}）"
             )
             return
 
         update = result.update
+        self.updateAvailabilityChanged.emit(
+            True,
+            result.current_version,
+            update.version,
+        )
         size_mb = update.size / (1024 * 1024)
         dialog = MessageBox(
             f"发现新版本 {update.version}",