Update

ui/utilities/ui_helpers.py

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+#!/usr/bin/env python
+# -*- coding: utf-8 -*-
+"""
+UI辅助工具
+负责标签按钮、下拉框等UI组件的辅助功能
+"""
+import customtkinter as ctk
+from config.constants import COLOR_TRANSPARENT
+
+
+class UIHelpers:
+    """UI辅助工具类，提供各种UI组件的辅助功能"""
+    
+    @staticmethod
+    def adjust_tab_button_width(tabview):
+        """调整标签按钮宽度，让它们平分整个宽度"""
+        try:
+            # 获取tabview的宽度
+            tabview_width = tabview.winfo_width()
+            
+            if tabview_width > 1:
+                # 获取标签按钮
+                segmented_button = tabview._segmented_button
+                buttons_dict = segmented_button._buttons_dict
+                
+                # 计算每个按钮的宽度（平分）
+                button_count = len(buttons_dict)
+                if button_count > 0:
+                    button_width = tabview_width // button_count
+                    
+                    # 设置每个按钮的宽度
+                    for button in buttons_dict.values():
+                        try:
+                            button.configure(width=button_width)
+                        except:
+                            pass
+                    
+                    print(f"Adjusted tab button width: {button_width}px (total width: {tabview_width}px)")
+        except Exception as e:
+            print(f"Failed to adjust tab button width: {e}")
+    
+    @staticmethod
+    def fix_dropdown_width(combo_box):
+        """修复下拉菜单宽度，使其与下拉框一致"""
+        try:
+            # 获取下拉框的实际宽度
+            combo_width = combo_box.winfo_width()
+            
+            if combo_width > 1:
+                # 方法1: 直接设置 CTkComboBox 的内部属性
+                if hasattr(combo_box, '_dropdown_menu'):
+                    dropdown_menu = combo_box._dropdown_menu
+                    
+                    if dropdown_menu is not None:
+                        # 设置下拉菜单的宽度
+                        try:
+                            dropdown_menu.configure(width=combo_width)
+                        except:
+                            pass
+                        
+                        # 尝试设置内部 frame 的宽度
+                        try:
+                            if hasattr(dropdown_menu, 'winfo_children'):
+                                for child in dropdown_menu.winfo_children():
+                                    child.configure(width=combo_width)
+                        except:
+                            pass
+                
+                # 方法2: 重写 _open_dropdown_menu 方法
+                if not hasattr(combo_box, '_original_open_dropdown'):
+                    combo_box._original_open_dropdown = combo_box._open_dropdown_menu
+                    
+                    def custom_open_dropdown():
+                        combo_box._original_open_dropdown()
+                        # 延迟设置宽度
+                        if hasattr(combo_box, 'after'):
+                            combo_box.after(1, lambda: UIHelpers._set_dropdown_width(combo_box, combo_width))
+                    
+                    combo_box._open_dropdown_menu = custom_open_dropdown
+                        
+        except Exception as e:
+            print(f"Failed to set dropdown menu width: {e}")
+    
+    @staticmethod
+    def _set_dropdown_width(combo_box, width):
+        """设置下拉菜单宽度的辅助方法"""
+        try:
+            if hasattr(combo_box, '_dropdown_menu') and combo_box._dropdown_menu is not None:
+                dropdown = combo_box._dropdown_menu
+                dropdown.configure(width=width)
+                
+                # 遍历所有子组件并设置宽度
+                for widget in dropdown.winfo_children():
+                    try:
+                        widget.configure(width=width)
+                    except:
+                        pass
+        except:
+            pass
+    
+    @staticmethod
+    def configure_tab_transparency(project_tab, task_tab):
+        """配置标签页透明度"""
+        try:
+            # 尝试将标签页背景设置为透明，让圆角容器可见
+            project_tab.configure(fg_color=COLOR_TRANSPARENT)
+            task_tab.configure(fg_color=COLOR_TRANSPARENT)
+            print("[OK] Set tab background to transparent")
+        except Exception as e:
+            print(f"Failed to set tab background transparent: {e}")
+    
+    @staticmethod
+    def hide_scrollbar(scrollable_frame):
+        """隐藏 CTkScrollableFrame 的滚动条（仍保持滚动功能）"""
+        try:
+            scrollbar = getattr(scrollable_frame, "_scrollbar", None)
+            if scrollbar:
+                bgcolor = scrollable_frame.cget("fg_color") if hasattr(scrollable_frame, "cget") else COLOR_TRANSPARENT
+                scrollbar.configure(fg_color=COLOR_TRANSPARENT, button_color=bgcolor, button_hover_color=bgcolor)
+                scrollbar.configure(width=0)
+                try:
+                    scrollbar.grid_remove()
+                except Exception:
+                    pass
+        except Exception:
+            pass