优化UI加载速度

app/views/panels/main_layout.py

@@ -171,8 +171,32 @@ def create_test_items_content(self: "PQAutomationApp"):
         },
     }
 
-    # 根据当前测试类型创建复选框
+    # 预创建各测试类型的复选框，切换时只改显隐与勾选状态，避免重复构建控件。
     self.test_vars = {}
+    toggle_bootstyle = "success-round-toggle"
+    for type_key, config in self.test_items.items():
+        frame = config["frame"]
+        type_label = ttk.Label(
+            frame,
+            text=self.get_test_type_name(type_key),
+            style="primary.TLabel",
+        )
+        type_label.grid(row=0, column=0, columnspan=2, sticky=tk.W, padx=5, pady=3)
+        config["type_label"] = type_label
+
+        checkbox_vars: dict[str, tk.BooleanVar] = {}
+        for i, (text, var_name) in enumerate(config["items"]):
+            var = tk.BooleanVar(value=False)
+            ttk.Checkbutton(
+                frame,
+                text=text,
+                variable=var,
+                bootstyle=toggle_bootstyle,
+                command=self.update_config_and_tabs,
+            ).grid(row=i // 2 + 1, column=i % 2, sticky=tk.W, padx=10, pady=5)
+            checkbox_vars[var_name] = var
+        config["checkbox_vars"] = checkbox_vars
+
     self.update_test_items()
 
     # 创建色度参数设置框架
@@ -1243,33 +1267,17 @@ def update_test_items(self: "PQAutomationApp"):
         frame = config["frame"]
         frame.pack(fill=tk.X, padx=5, pady=5)
 
-        # 添加测试类型标签
-        type_label = ttk.Label(
-            frame,
+        config["type_label"].configure(
             text=self.get_test_type_name(current_test_type),
-            style="primary.TLabel",
         )
-        type_label.grid(row=0, column=0, columnspan=2, sticky=tk.W, padx=5, pady=3)
 
-        # 从配置中读取保存的选择状态
         saved_test_items = self.config.current_test_types[current_test_type].get(
             "test_items", []
         )
 
-        # 添加复选框
-        toggle_bootstyle = "success-round-toggle"
-        for i, (text, var_name) in enumerate(config["items"]):
-            is_checked = var_name in saved_test_items
-            var = tk.BooleanVar(value=is_checked)
-
+        for var_name, var in config["checkbox_vars"].items():
+            var.set(var_name in saved_test_items)
             self.test_vars[f"{current_test_type}_{var_name}"] = var
-            ttk.Checkbutton(
-                frame,
-                text=text,
-                variable=var,
-                bootstyle=toggle_bootstyle,
-                command=self.update_config_and_tabs,
-            ).grid(row=i // 2 + 1, column=i % 2, sticky=tk.W, padx=10, pady=5)
 
     if hasattr(self, "chart_notebook"):
         self.update_chart_tabs_state()