优化UI加载速度

pqAutomationApp.py

@@ -173,18 +173,25 @@ class PQAutomationApp(
             side=tk.RIGHT, fill=tk.BOTH, expand=True, padx=5, pady=5
         )
 
+        # 叠层容器：主界面与工具面板同尺寸叠放，切换时用 lift 而非 pack_forget。
+        self.view_stack = ttk.Frame(self.content_frame)
+        self.view_stack.pack(fill=tk.BOTH, expand=True)
+        self.main_view = ttk.Frame(self.view_stack)
+        self._ld_embedded = False
+        self._view_stack_ready = False
+
         # 创建右侧内容区域的上中下三个分区
-        self.control_frame_top = ttk.Frame(self.content_frame)
+        self.control_frame_top = ttk.Frame(self.main_view)
         self.control_frame_top.pack(
             side=tk.TOP, fill=tk.BOTH, expand=True, padx=0, pady=5
         )
 
-        self.control_frame_middle = ttk.Frame(self.content_frame)
+        self.control_frame_middle = ttk.Frame(self.main_view)
         self.control_frame_middle.pack(
             side=tk.TOP, fill=tk.BOTH, expand=True, padx=0, pady=5
         )
 
-        self.control_frame_bottom = ttk.Frame(self.content_frame)
+        self.control_frame_bottom = ttk.Frame(self.main_view)
         self.control_frame_bottom.pack(
             side=tk.TOP, fill=tk.BOTH, expand=True, padx=0, pady=5
         )
@@ -222,6 +229,7 @@ class PQAutomationApp(
         self.create_result_chart_frame()
         # 创建客户模板结果显示区域（黑底表格）
         self.create_custom_template_result_panel()
+        self.setup_view_stack()
         # 在所有控件创建完成后，统一初始化测试类型
         self.root.after(100, self.initialize_default_test_type)
 
@@ -406,17 +414,6 @@ class PQAutomationApp(
                 self.signal_tabs.tab(i, state="normal")
 
             self.signal_tabs.select(target_tab)
-            self.signal_tabs.update()
-            self.root.update_idletasks()
-
-            if target_tab == 0:
-                self.screen_module_signal_frame.tkraise()
-            elif target_tab == 1:
-                self.sdr_signal_frame.tkraise()
-            elif target_tab == 2:
-                self.hdr_signal_frame.tkraise()
-            elif target_tab == 3:
-                self.local_dimming_signal_frame.tkraise()
 
             for i in range(4):
                 if i != target_tab:
@@ -476,7 +473,19 @@ class PQAutomationApp(
         self._switch_signal_format_tabs(test_type)
         self._sync_custom_template_tab_visibility(test_type)
         self.sync_gamut_toolbar()
-        self._restore_charts_for_type(test_type)
+        self._schedule_chart_restore(test_type)
+
+    def _schedule_chart_restore(self, test_type: str) -> None:
+        """延迟恢复图表，避免阻塞测试类型切换时的 UI 响应。"""
+        job = getattr(self, "_chart_restore_job", None)
+        if job is not None:
+            try:
+                self.root.after_cancel(job)
+            except Exception:
+                pass
+        self._chart_restore_job = self.root.after_idle(
+            lambda tt=test_type: self._restore_charts_for_type(tt)
+        )
 
     def _save_chart_snapshot(self, test_type: str, chart_name: str, args: tuple):
         """保存某次绘图的参数，以便切换测试类型时可以重绘。"""