继续优化UI加载速度

app/views/panels/main_layout.py

@@ -869,9 +869,113 @@ def _refresh_theme_toggle_label(self: "PQAutomationApp") -> None:
         self.theme_toggle_btn.configure(text="切换深色模式")
 
 
+def _replot_charts_for_current_theme(self: "PQAutomationApp") -> None:
+    """刷新结果区图表配色（仅同步绘制当前可见 Tab）。"""
+    if hasattr(self, "refresh_result_charts_theme"):
+        try:
+            self.refresh_result_charts_theme(sync_draw=True, visible_only=True)
+            return
+        except Exception:
+            pass
+
+    test_type = None
+    if hasattr(self, "config"):
+        test_type = getattr(self.config, "current_test_type", None)
+
+    snapshots = {}
+    if test_type and hasattr(self, "_chart_snapshots"):
+        snapshots = self._chart_snapshots.get(test_type) or {}
+
+    if not snapshots:
+        if hasattr(self, "apply_result_chart_theme"):
+            self.apply_result_chart_theme(sync_draw=True)
+        return
+
+    for chart_name, args in snapshots.items():
+        plot_fn = getattr(self, f"plot_{chart_name}", None)
+        if plot_fn:
+            try:
+                plot_fn(*args)
+            except Exception:
+                pass
+
+
+def _cancel_pending_ui_jobs(self: "PQAutomationApp") -> None:
+    """取消可能在主题切换后继续触发的延迟 UI 任务。"""
+    for attr in ("_calman_matrix_col_job", "_chart_restore_job"):
+        job = getattr(self, attr, None)
+        if job is None:
+            continue
+        try:
+            self.root.after_cancel(job)
+        except Exception:
+            pass
+        setattr(self, attr, None)
+
+
+def _refresh_all_theme_widgets(self: "PQAutomationApp") -> None:
+    """同步刷新主题相关控件：优先处理可见区域，隐藏面板延后。"""
+    _refresh_theme_toggle_label(self)
+
+    # 侧栏 / 连接指示 / 选中态 —— 始终可见，必须立即更新
+    for method_name in (
+        "refresh_tool_panel_sidebar_theme",
+        "refresh_connection_indicators",
+    ):
+        method = getattr(self, method_name, None)
+        if method is not None:
+            try:
+                method()
+            except Exception:
+                pass
+
+    current_panel = getattr(self, "current_panel", None)
+
+    if current_panel == "ai_image" and hasattr(self, "refresh_ai_image_theme"):
+        try:
+            self.refresh_ai_image_theme()
+        except Exception:
+            pass
+    else:
+        self._ai_image_theme_dirty = True
+
+    if current_panel == "single_step" and hasattr(self, "refresh_single_step_theme"):
+        try:
+            self.refresh_single_step_theme()
+        except Exception:
+            pass
+
+    if current_panel == "log" and hasattr(self, "log_gui") and hasattr(
+        self.log_gui, "refresh_log_theme"
+    ):
+        try:
+            self.log_gui.refresh_log_theme()
+        except Exception:
+            pass
+
+    if hasattr(self, "refresh_custom_template_theme"):
+        try:
+            self.refresh_custom_template_theme()
+        except Exception:
+            pass
+
+    if hasattr(self, "refresh_calman_theme"):
+        try:
+            self.refresh_calman_theme()
+        except Exception:
+            pass
+
+    if hasattr(self, "update_sidebar_selection"):
+        try:
+            self.update_sidebar_selection()
+        except Exception:
+            pass
+
+    _replot_charts_for_current_theme(self)
+
+
 def _on_toggle_theme(self: "PQAutomationApp") -> None:
-    """切换主题：重新应用 ttk 样式并刷新所有自定义样式相关的标签。"""
-    # 在测试进行时禁止切换主题，避免影响测量稳定性
+    """切换主题：保持窗口可见，同步批量刷新避免卡顿与分批变色。"""
     if getattr(self, "testing", False):
         try:
             if hasattr(self, "log_gui"):
@@ -881,67 +985,14 @@ def _on_toggle_theme(self: "PQAutomationApp") -> None:
         return
 
     from app.views.theme_manager import toggle_theme
-    toggle_theme()
-    # apply_modern_styles()
-    _refresh_theme_toggle_label(self)
-    if hasattr(self, "refresh_tool_panel_sidebar_theme"):
-        try:
-            self.refresh_tool_panel_sidebar_theme()
-        except Exception:
-            pass
-    if hasattr(self, "refresh_connection_indicators"):
-        try:
-            self.refresh_connection_indicators()
-        except Exception:
-            pass
-    if hasattr(self, "apply_result_chart_theme"):
-        try:
-            self.apply_result_chart_theme()
-        except Exception:
-            pass
-    if hasattr(self, "log_gui") and hasattr(self.log_gui, "refresh_log_theme"):
-        try:
-            self.log_gui.refresh_log_theme()
-        except Exception:
-            pass
-    if hasattr(self, "refresh_ai_image_theme"):
-        try:
-            self.refresh_ai_image_theme()
-        except Exception:
-            pass
-    if hasattr(self, "refresh_single_step_theme"):
-        try:
-            self.refresh_single_step_theme()
-        except Exception:
-            pass
-    if hasattr(self, "refresh_custom_template_theme"):
-        try:
-            self.refresh_custom_template_theme()
-        except Exception:
-            pass
-    if hasattr(self, "refresh_calman_theme"):
-        try:
-            self.refresh_calman_theme()
-        except Exception:
-            pass
-    # 同步刷新侧栏选中态（高亮样式跟随新色板）
-    if hasattr(self, "update_sidebar_selection"):
-        try:
-            self.update_sidebar_selection()
-        except Exception:
-            pass
-    # 以新的 dark_mode 值重绘当前测试类型的所有图表
-    if hasattr(self, "_chart_snapshots") and hasattr(self, "config"):
-        test_type = getattr(self.config, "current_test_type", None)
-        if test_type:
-            snapshots = self._chart_snapshots.get(test_type, {})
-            for chart_name, args in snapshots.items():
-                plot_fn = getattr(self, f"plot_{chart_name}", None)
-                if plot_fn:
-                    try:
-                        plot_fn(*args)
-                    except Exception:
-                        pass
+
+    _cancel_pending_ui_jobs(self)
+    self._theme_transition = True
+    try:
+        toggle_theme()
+        _refresh_all_theme_widgets(self)
+    finally:
+        self._theme_transition = False
 
 
 def update_config_info_display(self: "PQAutomationApp"):