tkinter Listbox 列表框实现多列对齐排列并绑定下拉框和滚动条

from tkinter import *
from tkinter import ttk, Button, Canvas, Listbox, Entry, LabelFrame, IntVar, Checkbutton, messageboximport win32print
root = Tk()
root.title("tkinter Listbox 列表框实现多列对齐排列")
root.geometry('550x450')def callback2(t, event=None):# 复制操作t.event_generate('<<Copy>>')def popup(top, t, event=None):menu = Menu(top, tearoff=False)menu.add_command(label="复制", command=lambda *e: callback2(t))menu.post(event.x_root, event.y_root)  # post在指定的位置显示弹出菜单def delete_item(listbox, all_data_dic0, printers_valus2):# 获取Listbox中所有被选中的项目selected_items = listbox.curselection()# 对选中的项目进行逆序排列，以免删除项目影响后面的索引# selected_items.reverse()item = selected_items[0]temp_value = listbox.get(item)# listbox.delete(item)if messagebox.askokcancel("删除", "确定删除吗？"):temp_value2 = all_data_dic0[item]delete_sql = f'delete from data_table where byname="%s"'# link.insert_one(delete_sql % temp_value2['Name0'])# register_form(printers_valus2=printers_valus2) # 刷新页面def on_entry_click(event, entry, default_value):# 鼠标点击输入框if entry.get() == default_value:# entry.delete(0, END)passelse:print(f'entry.get():{entry.get()} default_value:{default_value}')def on_mouse_leave(event, entry, default_value):# 鼠标离开事件if not entry.get().strip():entry.delete(0, END)entry.insert(0, default_value)def on_entry_clicked1(entry0, entry2, pos_name, printers_valus2, item_value1, new_child_window, listbox, item):# 保存修改数据byname = entry0.get().strip()sizename = entry2.get().strip()printername = pos_name.get()byname_old = item_value1['Name0']is_update = Falsesearch_sql = 'select id from data_table where byname="%s" and sizename="%s" and printername="%s"'# exist = link.one_search(search_sql % (byname, sizename, printername), "data_table")# print('exist:', exist)# if exist:#     print('此名称0已经存在')#     notification.notify(title='此名称0已经存在', message='此名称0已经存在', timeout=5)#     is_update = False# else:#     is_update = True## if is_update:#     update_sql = f'update data_table set byname="%s",sizename="%s",printername="%s" where byname="%s"'#     # print(update_sql % (byname, sizename, printername, byname_old))#     link.insert_one(update_sql % (byname, sizename, printername, byname_old))#     register_form(printers_valus2=printers_valus2) # 刷新页面new_child_window.destroy()def on_entry_clicked2(entry0, entry2, pos_name, printers_valus2, new_child_window):# 保存新增数据byname = entry0.get().strip()sizename = entry2.get().strip()printername = pos_name.get()search_sql = 'select id from data_table where byname="%s" and sizename="%s" and printername="%s"'# exist = link.one_search(search_sql % (byname, sizename, printername), "data_table")# if exist:#     print('此名称0已经存在')#     notification.notify(title='此名称0已经存在', message='此名称0已经存在', timeout=5)# else:#     sql = 'insert into data_table(byname, sizename, printername) values(%r,%r,%r)'#     link.insert_one(sql % (byname, sizename, printername))#     register_form(printers_valus2=printers_valus2)new_child_window.destroy()def create_frame(printers_valus2, event):# 创建一个新的Framenew_child_window = Toplevel()new_child_window.title('新增')# new_child_window.iconphoto(False, PhotoImage(data=iconphoto_path)) # 图标new_child_window.geometry(f'280x180+{event.x_root}+{event.y_root}')  # menu.post(event.x_root, event.y_root)label1 = Label(new_child_window, text='名称0:')label1.place(relx=0, rely=0.02, relheight=0.2, relwidth=0.55)entry0 = Entry(new_child_window, textvariable='name0')entry0.place(relx=0.46, rely=0.02, relheight=0.2, relwidth=0.45)# 插入默认值entry0.delete(0, END)entry0.insert(0, '名称1')# 绑定点击事件entry0.bind("<Button-1>", lambda event: on_entry_click(event, entry0, '名称1'))entry0.bind("<Leave>", lambda event: on_mouse_leave(event, entry0, '名称1'))label2 = Label(new_child_window, text='名称1:')label2.place(relx=0, rely=0.24, relheight=0.2, relwidth=0.55)entry2 = Entry(new_child_window, textvariable='name2')entry2.place(relx=0.46, rely=0.24, relheight=0.2, relwidth=0.45)# 插入默认值entry2.delete(0, END)entry2.insert(0, "70*50")# 绑定点击事件entry2.bind("<Button-1>", lambda event: on_entry_click(event, entry2, "70*50"))entry2.bind("<Leave>", lambda event: on_mouse_leave(event, entry2, "70*50"))# 选择名称2label3 = Label(new_child_window, text='选择名称2：', bd=3, width=16)label3.place(relx=0, rely=0.46, relwidth=0.55, relheight=0.2)# 获取默认打印机名称show_device_name = win32print.GetDefaultPrinter()if show_device_name not in printers_valus2:show_device_name = printers_valus2[0]# 下拉框pos_name = ttk.Combobox(new_child_window, width=20, height=10, textvariable=show_device_name, state='readonly')# 设置Combobox的下拉选项pos_name['values'] = printers_valus2pos_name.place(relx=0.46, rely=0.46, relwidth=0.45, relheight=0.2)if show_device_name in printers_valus2:pos_name.current(printers_valus2.index(show_device_name))else:pos_name.current(0)# 保存新增的数据confirm_btn = Button(new_child_window, text='确认', width=10,command=lambda: on_entry_clicked2(entry0, entry2, pos_name, printers_valus2,new_child_window))confirm_btn.place(relx=0.3, rely=0.72, relheight=0.2, relwidth=0.35)def edit_frame(event, item, all_data_dic0, printers_valus2, listbox):# 创建一个新的Frameitem_value = listbox.get(item)# print('item_value:', item_value)# print('item_value1:', all_data_dic0[item])item_value1 = all_data_dic0[item]new_child_window = Toplevel()new_child_window.title('编辑')# new_child_window.iconphoto(False, PhotoImage(data=iconphoto_path))  # 设置图标new_child_window.geometry(f'280x180+{event.x_root}+{event.y_root}')  # menu.post(event.x_root, event.y_root)label1 = Label(new_child_window, text='名称0:')label1.place(relx=0, rely=0.02, relheight=0.2, relwidth=0.55)entry0 = Entry(new_child_window, textvariable='name0')entry0.place(relx=0.46, rely=0.02, relheight=0.2, relwidth=0.45)# 插入默认值entry0.delete(0, END)entry0.insert(0, item_value1['Name0'])# 绑定点击事件entry0.bind("<Button-1>", lambda event: on_entry_click(event, entry0, item_value1['Name0']))entry0.bind("<Leave>", lambda event: on_mouse_leave(event, entry0, item_value1['Name0']))label2 = Label(new_child_window, text='名称1:')label2.place(relx=0, rely=0.24, relheight=0.2, relwidth=0.55)entry2 = Entry(new_child_window, textvariable='name2')entry2.place(relx=0.46, rely=0.24, relheight=0.2, relwidth=0.45)# 插入默认值entry2.delete(0, END)entry2.insert(0, item_value1['Name'])# 绑定点击事件entry2.bind("<Button-1>", lambda event: on_entry_click(event, entry2, item_value1['Name']))entry2.bind("<Leave>", lambda event: on_mouse_leave(event, entry2, item_value1['Name']))# 选择名称2label3 = Label(new_child_window, text='选择名称2：', bd=3, width=16)label3.place(relx=0, rely=0.46, relwidth=0.55, relheight=0.2)# 获取默认打印机设备show_device_name = item_value1['Name2']# 下拉框pos_name = ttk.Combobox(new_child_window, width=20, height=10, textvariable=show_device_name, state='readonly')printers_temp = ['OneNote for Windows 10', '导出为WPS PDF', 'Microsoft XPS Document Writer','Microsoft Print to PDF', 'Fax']# 设置Combobox的下拉选项pos_name['values'] = printers_valus2pos_name.place(relx=0.46, rely=0.46, relwidth=0.45, relheight=0.2)if show_device_name in printers_valus2:pos_name.current(printers_valus2.index(show_device_name))else:pos_name.current(0)# 保存修改的数据confirm_btn = Button(new_child_window, text='确认', width=10,command=lambda: on_entry_clicked1(entry0, entry2, pos_name, printers_valus2, item_value1,new_child_window, listbox, item))confirm_btn.place(relx=0.3, rely=0.72, relheight=0.2, relwidth=0.35)def get_display_width(s):width = 0for char in s:width += len(char.encode(sys.stdout.encoding))return widthdef show_menu(listbox, all_data_dic0, printers_valus2, event, top=None):# 根据当前位置获取Listbox中选中的项目try:item = listbox.curselection()[0]except IndexError:item = 0# 创建菜单，并添加选项menu = Menu(top, tearoff=0)if item > 0:menu.add_command(label="删除", command=lambda: delete_item(listbox, all_data_dic0, printers_valus2))menu.add_separator()  # 分割线menu.add_command(label="编辑",command=lambda: edit_frame(event, item, all_data_dic0, printers_valus2, listbox))menu.add_separator()  # 分割线menu.add_command(label="复制", command=lambda: callback2(listbox))menu.add_separator()  # 分割线# 如果选中了项目，就在菜单中显示项目的值if item or item == 0:menu.add_command(label="增加", command=lambda: create_frame(printers_valus2, event))# 在相应位置显示菜单menu.post(event.x_root, event.y_root)def show_listbox(printers_valus2, select_value=None):# 展示列表框内容scrollbar = Scrollbar(root)scrollbar.place(relx=0.85, rely=0.52, relheight=0.46, relwidth=0.035)listbox = Listbox(root, width=90, font='TkDefaultFont 11')listbox.place(relx=0.1, rely=0.52, relheight=0.46, relwidth=0.75)# 1. 从 sqlite3 中 读取数据# if not select_value or select_value == '全部':#     all_data = link.all_search('select byname,sizename,printername from data_table', 'data_table')# else:#     all_data = link.all_search(#         'select byname,sizename,printername from data_table where printername="%s"' % select_value, 'data_table')# allStudents = [{'Name0': i[0], 'Name': i[1], 'Name2': i[2]} for i in all_data]# 2. 测试数据allStudents_all = [{'Name0': 'USER', 'Name': '1041*1524', 'Name2': 'TSC TTP-244 Pro'},{'Name0': '100*100', 'Name': '1025*1000', 'Name2': 'TSC TTP-244 Pro'},{'Name0': '100*150', 'Name': '1025*1500', 'Name2': 'TSC TTP-244 Pro'},{'Name0': '100x100', 'Name': '250*150', 'Name2': 'TSC TTP-244 Pro'},{'Name0': '111', 'Name': '876*700', 'Name2': 'TSC TTP-244 Pro'},{'Name0': '2 x 4', 'Name': '533*1016', 'Name2': 'TSC TTP-244 Pro'},{'Name0': '4 x 4', 'Name': '1041*1016', 'Name2': 'TSC TTP-244 Pro'},{'Name0': '4 x 6', 'Name': '1041*1524', 'Name2': 'TSC TTP-244 Pro'},{'Name0': '45*30', 'Name': '475*300', 'Name2': 'TSC TTP-244 Pro'},{'Name0': '50*30', 'Name': '525*300', 'Name2': 'TSC TTP-244 Pro'},{'Name0': '70*30', 'Name': '725*300', 'Name2': 'TSC TTP-244 Pro'},{'Name0': '70*50', 'Name': '725*500', 'Name2': 'TSC TTP-244 Pro'},{'Name0': '新卷', 'Name': '525*300', 'Name2': 'TSC TTP-244 Pro'},{'Name0': '名称1', 'Name': '676*300', 'Name2': 'TSC TTP-244 Pro'},{'Name0': '名称2', 'Name': '1026*1500', 'Name2': 'TSC TTP-244 Pro'},{'Name0': 'USER', 'Name': '1041*1016', 'Name2': 'Gprinter GP-1324D'},{'Name0': '100*100', 'Name': '1025*1000', 'Name2': 'Gprinter GP-1324D'},{'Name0': '100*150', 'Name': '1025*1500', 'Name2': 'Gprinter GP-1324D'},{'Name0': '100x100', 'Name': '250*150', 'Name2': 'Gprinter GP-1324D'},{'Name0': '111', 'Name': '876*700', 'Name2': 'Gprinter GP-1324D'},{'Name0': '2 x 4', 'Name': '533*1016', 'Name2': 'Gprinter GP-1324D'},{'Name0': '4 x 4', 'Name': '1041*1016', 'Name2': 'Gprinter GP-1324D'},{'Name0': '4 x 6', 'Name': '1041*1524', 'Name2': 'Gprinter GP-1324D'},{'Name0': '45*30', 'Name': '475*300', 'Name2': 'Gprinter GP-1324D'},{'Name0': '50*30', 'Name': '525*300', 'Name2': 'Gprinter GP-1324D'},{'Name0': '70*30', 'Name': '725*300', 'Name2': 'Gprinter GP-1324D'},{'Name0': '70*50', 'Name': '725*500', 'Name2': 'Gprinter GP-1324D'},{'Name0': '新卷', 'Name': '525*300', 'Name2': 'Gprinter GP-1324D'},{'Name0': '名称1', 'Name': '676*300', 'Name2': 'Gprinter GP-1324D'},{'Name0': '名称2', 'Name': '1026*1500', 'Name2': 'Gprinter GP-1324D'}]if not select_value or select_value == '全部':allStudents = allStudents_allelse:allStudents = []for i in allStudents_all:if select_value in i['Name2']:allStudents.append(i)maxspace0 = get_display_width(max(allStudents, key=lambda x: get_display_width(x['Name0']))['Name0']) + 4maxspace = get_display_width(max(allStudents, key=lambda x: get_display_width(x['Name']))['Name']) + 4# 一个汉字占两个字符listbox.insert(END, f"{'名称0'.ljust(maxspace0 - 2)}  {'名称1'.ljust(maxspace - 2)}  名称2")all_data_dic0 = {}for i in range(len(allStudents)):tem = 0for l in allStudents[i]['Name0']:if get_display_width(l) > 1:tem += 1tem1 = 0for l1 in allStudents[i]['Name']:if get_display_width(l1) > 1:tem1 += 1text1 = f"{allStudents[i]['Name0'].ljust(maxspace0 - tem)}  {allStudents[i]['Name'].ljust(maxspace - tem1)}  {allStudents[i]['Name2']}"listbox.insert(END, text1)all_data_dic0[i + 1] = allStudents[i]listbox.configure(yscrollcommand=scrollbar.set)scrollbar.configure(command=listbox.yview)# 左键点击列表框中的值, 并执行后续操作# listbox.bind('<<ListboxSelect>>', lambda event: listbox_select(listbox.curselection(), listbox, event, all_data_dic, combobox, printers_valus2))# 绑定右键菜单listbox.bind("<Button-3>",lambda event: show_menu(listbox, all_data_dic0, printers_valus2, event))def update_listbox(event, printers_valus2, select_value):# 更新列表框的内容print('select_value:', select_value)show_listbox(printers_valus2, select_value)def register_form(printers_valus2=None):# 销毁所有滚动条和列表框# 与下拉框内容绑定combobox6 = ttk.Combobox(root, width=20, height=10)printers_temp = ['OneNote for Windows 10', '导出为WPS PDF', 'Microsoft XPS Document Writer', 'Microsoft Print to PDF','Fax']printers_valus3 = list(set(printers_valus2).difference(set(printers_temp)))printers_valus3.insert(0, '全部')print('printers_valus3:', printers_valus3)# 设置Combobox的下拉选项combobox6['values'] = printers_valus3combobox6.bind("<<ComboboxSelected>>", lambda event: update_listbox(event, printers_valus2, combobox6.get()))combobox6.place(relx=0.1, rely=0.43, relheight=0.08, relwidth=0.75)try:combobox6.current(0)except:pass# 展示列表框内容show_listbox(printers_valus2)register_form(['Gprinter GP-1324D', 'TSC TTP-244 Pro'])mainloop()