继续优化UI加载速度

app/views/chart_frame.py

@@ -25,7 +25,138 @@ def _result_bg_color() -> str:
         return "#FFFFFF"
 
 
-def apply_result_chart_theme(self: "PQAutomationApp"):
+def _refresh_ax_theme_in_place(ax, palette) -> None:
+    """就地更新已有坐标轴的主题色，无需清空重绘。"""
+    ax.set_facecolor(palette["card_bg"])
+    for spine in ax.spines.values():
+        spine.set_color(palette["border"])
+    ax.tick_params(axis="both", colors=palette["fg"])
+    try:
+        ax.xaxis.label.set_color(palette["fg"])
+        ax.yaxis.label.set_color(palette["fg"])
+    except Exception:
+        pass
+    try:
+        if ax.title.get_text():
+            ax.title.set_color(palette["fg"])
+    except Exception:
+        pass
+    for artist in getattr(ax, "texts", []):
+        try:
+            artist.set_color(palette["fg"])
+        except Exception:
+            pass
+    for line in ax.get_lines():
+        # 保留曲线本身颜色，仅刷新网格等辅助线
+        pass
+    for gridline in ax.get_xgridlines() + ax.get_ygridlines():
+        try:
+            gridline.set_color(palette["border"])
+            gridline.set_alpha(0.35)
+        except Exception:
+            pass
+
+
+_CHART_THEME_SPECS = {
+    "gamut": ("gamut_chart_frame", "gamut_fig", "gamut_canvas"),
+    "gamma": ("gamma_chart_frame", "gamma_fig", "gamma_canvas"),
+    "eotf": ("eotf_chart_frame", "eotf_fig", "eotf_canvas"),
+    "cct": ("cct_chart_frame", "cct_fig", "cct_canvas"),
+    "contrast": ("contrast_chart_frame", "contrast_fig", "contrast_canvas"),
+    "accuracy": ("accuracy_chart_frame", "accuracy_fig", "accuracy_canvas"),
+}
+
+
+def _get_active_chart_key(self: "PQAutomationApp") -> str | None:
+    """返回当前选中的结果图 Tab 对应的 chart key。"""
+    notebook = getattr(self, "chart_notebook", None)
+    if notebook is None:
+        return None
+    try:
+        selected = notebook.select()
+        if not selected:
+            return "gamut"
+        for key, (frame_attr, _, _) in _CHART_THEME_SPECS.items():
+            frame = getattr(self, frame_attr, None)
+            if frame is not None and str(frame) == selected:
+                return key
+    except Exception:
+        pass
+    return "gamut"
+
+
+def _apply_fig_theme_colors(fig, canvas, palette, bg) -> None:
+    """更新 Figure/Axes 主题色，不触发绘制。"""
+    fig.patch.set_facecolor(bg)
+    suptitle = getattr(fig, "_suptitle", None)
+    if suptitle is not None:
+        try:
+            suptitle.set_color(palette["fg"])
+        except Exception:
+            pass
+    for ax in fig.axes:
+        _refresh_ax_theme_in_place(ax, palette)
+    if canvas is not None:
+        try:
+            widget = canvas.get_tk_widget()
+            widget.configure(bg=bg, highlightthickness=0)
+        except Exception:
+            pass
+
+
+def flush_chart_theme_if_dirty(self: "PQAutomationApp", chart_key: str | None = None) -> None:
+    """绘制主题已更新但尚未 draw 的图表（通常在切换到该 Tab 时调用）。"""
+    dirty = getattr(self, "_charts_theme_dirty", None)
+    if not dirty:
+        return
+    keys = [chart_key] if chart_key and chart_key in dirty else list(dirty)
+    for key in keys:
+        spec = _CHART_THEME_SPECS.get(key)
+        if spec is None:
+            continue
+        canvas = getattr(self, spec[2], None)
+        if canvas is None:
+            continue
+        try:
+            canvas.draw()
+        except Exception:
+            pass
+        dirty.discard(key)
+
+
+def refresh_result_charts_theme(
+    self: "PQAutomationApp", *, sync_draw: bool = True, visible_only: bool = True
+) -> None:
+    """就地刷新结果区 Matplotlib 图表主题色；默认仅绘制当前可见 Tab。"""
+    palette = get_theme_palette()
+    bg = _result_bg_color()
+    active_key = _get_active_chart_key(self) if visible_only else None
+
+    dirty = getattr(self, "_charts_theme_dirty", None)
+    if dirty is None:
+        dirty = set()
+        self._charts_theme_dirty = dirty
+
+    for key, (_, fig_attr, canvas_attr) in _CHART_THEME_SPECS.items():
+        fig = getattr(self, fig_attr, None)
+        canvas = getattr(self, canvas_attr, None)
+        if fig is None or canvas is None:
+            continue
+
+        _apply_fig_theme_colors(fig, canvas, palette, bg)
+
+        should_draw = sync_draw and ((not visible_only) or key == active_key)
+        if should_draw:
+            try:
+                canvas.draw()
+            except Exception:
+                pass
+            dirty.discard(key)
+        else:
+            dirty.add(key)
+
+
+def apply_result_chart_theme(self: "PQAutomationApp", *, sync_draw: bool = False):
     """统一刷新结果图画布背景，使其跟随浅/深色主题。"""
     bg = _result_bg_color()
 
@@ -50,7 +181,10 @@ def apply_result_chart_theme(self: "PQAutomationApp"):
             except Exception:
                 pass
             try:
-                canvas.draw_idle()
+                if sync_draw:
+                    canvas.draw()
+                else:
+                    canvas.draw_idle()
             except Exception:
                 pass
 
@@ -1111,6 +1245,9 @@ def on_chart_tab_changed(self: "PQAutomationApp", event):
         if not selected_tab:
             return
         self._last_tab_index = self.chart_notebook.index(selected_tab)
+        active_key = _get_active_chart_key(self)
+        if active_key:
+            flush_chart_theme_if_dirty(self, active_key)
     except Exception as e:
         self.log_gui.log(f"Tab切换事件处理失败: {str(e)}", level="error")
 
@@ -1129,6 +1266,8 @@ class ChartFrameMixin:
     init_contrast_chart = init_contrast_chart
     init_accuracy_chart = init_accuracy_chart
     apply_result_chart_theme = apply_result_chart_theme
+    refresh_result_charts_theme = refresh_result_charts_theme
+    flush_chart_theme_if_dirty = flush_chart_theme_if_dirty
     _init_accuracy_result_table = _init_accuracy_result_table
     clear_accuracy_result_table = clear_accuracy_result_table
     update_accuracy_result_table = update_accuracy_result_table