tkinter 中文输入法bug

Question

问题：自己写的一个类记事本程序，存在中文输入法输入“p”后会自动重置控件内容但可正常保存的bug和中文输入法输入“q”后会自动弹出另存为窗口且后续进行更改无法正常保存的bug，且找不到出错的代码
操作环境：python idle，导入了tkinter库和ctypes库（bug在导入此库前就已存在）

Answer 1

部分

```源码：
from tkinter import *
from tkinter.ttk import *
from tkinter import messagebox
from tkinter.filedialog import asksaveasfilename
from tkinter.filedialog import askopenfilename
from tkinter.scrolledtext import ScrolledText
from tkinter.font import Font
from ctypes import *

# 基础功能部分：
def newFile(event = None): # 新建文档
    text.delete("1.0", END)
    root.title("Untitled") # 标题改为Untitled

def saveAsFile(event = None): # 另存文档
    global filename
    textContent = text.get("1.0", END)
    filename = asksaveasfilename(defaultextension = ".txt") # 打开另存为的对话框
    if filename == "":
        return # 若未输入文件名则不继续执行
    with open(filename, "w") as output:
        output.write(textContent)
        root.title(filename) # 更改root窗口标题

def saveFile(event = None): # 保存文档
    global filename
    if filename != "Untitled":
        textContent = text.get("1.0", END)
        with open(filename, "w") as output:
            output.write(textContent)
            root.title(filename)
            messagebox.showinfo("Tips", "保存成功，下次也要记得随手保存呀")
    else:
        saveAsFile()

def openFile(event = None):  # 打开文档
    global filename
    filename = askopenfilename()
    codeNumber = 0  # 选择列表中的第一个元素
    if filename == "":
        return  # 若未选择文档则不继续执行
    else:
        codeList = ["UTF-8", "GBK", "ANSI"]
        code = codeList[codeNumber]
        try:
            with open(filename, "r", encoding = code) as fileObj:# 尝试第一种编码格式
                content = fileObj.read()
            text.delete("1.0", END)
            text.insert(END, content)  # 插入读取的文档
            root.title(filename)
        except(UnicodeDecodeError):
            codeNumber = codeNumber + 1
            code = codeList[codeNumber] # 切换为下一种编码格式
            try:
                with open(filename, "r", encoding = code) as fileObj:
                    content = fileObj.read()
                text.delete("1.0", END)
                text.insert(END, content)
                root.title(filename)
            except(UnicodeDecodeError):
                codeNumber = codeNumber + 1
                code = codeList[codeNumber] # 切换为下一种编码格式
                try:
                    with open(filename, "r", encoding = code) as fileObj:
                        content = fileObj.read()
                    text.delete("1.0", END)
                    text.insert(END, content)
                    root.title(filename)
                except(UnicodeDecodeError):
                    messagebox.showinfo("Error", "该文档编码格式暂不能被本软件识别")
    

def search(): #查找
    searchToplevel = Toplevel(root)
    searchToplevel.title("Search")
    searchToplevel.transient(root)
    searchToplevel.resizable(False, False)
    Label(searchToplevel, text = "Find All:").grid(row = 0, column = 0, sticky = "e")
    searchEntryWidget = Entry(searchToplevel, width = 25)
    searchEntryWidget.grid(row = 0, column = 1, padx = 2, pady = 2, sticky = "we")
    searchEntryWidget.focus_set()
    ignoreCaseValue = IntVar()
    Checkbutton(searchToplevel, text = "Ignore Case 忽略大小写", variable = ignoreCaseValue).grid(
        row = 1, column = 1, sticky = "e", padx = 2, pady = 2)
    Button(searchToplevel, text = "Find All 全部查找", underline = 0,
           command = lambda: searchOutput(searchEntryWidget.get(),
                                          ignoreCaseValue.get(),
                                          text,
                                          searchToplevel,
                                          searchEntryWidget)).grid(row = 0, column = 2, sticky = "e" + "w", padx = 2, pady = 2)

    def closeSearchWindow():
        text.tag_remove("match", "1.0", END)
        searchToplevel.destroy()
    searchToplevel.protocol("WM_DELETE_WINDOW", closeSearchWindow)
    return "break"

def searchOutput(needle, ifIgnoreCase, contentText, searchToplevel, searchBox): #查找
    contentText.tag_remove("match", "1.0", END)
    matchesFound = 0
    if needle:
        startPos = "1.0"
        while True:
            startPos = contentText.search(needle, startPos, nocase=ifIgnoreCase, stopindex=END)
            if not startPos:
                break
            endPos = "{}+{}c".format(startPos, len(needle))
            contentText.tag_add("match", startPos, endPos)
            matchesFound += 1
            startPos = endPos
        contentText.tag_config("match", foreground = "red", background = "yellow")
    searchBox.focus_set()
    searchToplevel.title("{} matches found". format(matchesFound))

def selectAll(event = None): # 全选
    text.tag_add("sel", "1.0", "end")
    return "break"

def copy(event = None): # 复制
    text.event_generate("<<Copy>>")
    return "break"

def paste(event = None): # 粘贴
    text.event_generate("<<Paste>>")
    return "break"

def cut(event = None): # 剪切
    text.event_generate("<<Cut>>")
    return "break"

def minimize(): # 最小化
    root.iconify()

def undo(): # 撤销
    try:
        text.edit_undo()
    except:
        pass

def redo(): # 复原
    try:
        text.edit_redo()
    except:
        pass

# 日间/夜间模式部分：
def nightMode(): # 夜间模式
    text.config(fg="white", bg="black", insertbackground="white", selectforeground="black",
             selectbackground="white")

def dayMode(): # 日间模式
    text.config(bg="white", fg="black", insertbackground="black", selectbackground="black",
             selectforeground="white")

# 字体部分：
def Arial():
    text.config(font=("Arial"))
    
def MicrosoftYaHei():
    text.config(font=("微软雅黑"))

def CalistoMT():
    text.config(font=("Calisto_MT"))
    
# 弹出式菜单（小窗口）部分：
def showPopupMenu(event): # 展示弹出式菜单
    popupmenu.post(event.x_root, event.y_root)

# 关于部分：


# 初始配置
filename = "Untitled"
root = Tk()
root.title(filename)
root.geometry("800x600")
text = Text(root, height = 800, width = 600, wrap = "none", undo = True)
text.config(font=("微软雅黑"))

#适配高DPI：
windll.shcore.SetProcessDpiAwareness(1) # 使用程序自身dpi适配
ScaleFactor = windll.shcore.GetScaleFactorForDevice(0) # 获取屏幕缩放因子
root.tk.call("tk", "scaling", ScaleFactor/75) # 设置程序缩放

# 滚动条
xScrollBar = Scrollbar(root, orient = HORIZONTAL)
yScrollBar = Scrollbar(root)
xScrollBar.pack(side = BOTTOM, fill = X)
yScrollBar.pack(side = RIGHT,fill = Y)
xScrollBar.config(command = text.xview)
yScrollBar.config(command = text.yview)
text.config(xscrollcommand = xScrollBar.set)
text.config(yscrollcommand = yScrollBar.set)
text.pack(fill = BOTH, expand = True)
text.focus_set()

# 创建最上层菜单
menubar = Menu(root)
filemenuFile = Menu(menubar, tearoff = False)
filemenuAbout = Menu(menubar, tearoff = False)
filemenuFamily = Menu(menubar, tearoff = False)
filemenuTimeMode = Menu(menubar, tearoff = False)

# 创建弹出式菜单
popupmenu = Menu(root, tearoff = False)

# 在File菜单内建立菜单列表，便于对文档进行操作
menubar.add_cascade(label = "File", menu = filemenuFile)
filemenuFile.add_command(label = "New File 新建",       command = newFile,    accelerator = "F1")
root.bind("<F1>", newFile)
filemenuFile.add_command(label = "Save As File 另存为", command = saveAsFile, accelerator = "F2")
root.bind("<F2>", saveAsFile)
filemenuFile.add_command(label = "Save File 保存",      command = saveFile,   accelerator = "F3")
root.bind("<F3>", saveFile)
filemenuFile.add_command(label = "Open File 打开",      command = openFile,   accelerator = "F5")
root.bind("<F5>", openFile)
filemenuFile.add_separator()
filemenuFile.add_command(label = "Exit 退出", command = root.destroy, accelerator = "Alt + F4")

# 一些菜单工具
menubar.add_command(label = "Find", command = search)

# 在Family菜单内建立菜单列表，更换字体
menubar.add_cascade(label = "Family", menu = filemenuFamily)
filemenuFamily.add_command(label = "Arial",    command = Arial)
filemenuFamily.add_command(label = "Calisto_MT", command = CalistoMT)
filemenuFamily.add_command(label = "微软雅黑", command = MicrosoftYaHei)

# 在About菜单内建立菜单列表，便于查看相关信息
menubar.add_cascade(label = "About", menu = filemenuAbout)
filemenuAbout.add_command(label = "Copyright 版权",       command = myCopyright)
filemenuAbout.add_command(label = "Acknowledgement 鸣谢", command = acknowledgement)
filemenuAbout.add_command(label = "Version 版本",         command = myVersion)

# 在TimeMode菜单内建立菜单列表，便于切换日间/夜间模式
menubar.add_cascade(label = "Time Mode", menu = filemenuTimeMode)
filemenuTimeMode.add_command(label = "Day Mode 日间模式",   command = dayMode)
filemenuTimeMode.add_command(label = "Night Mode 夜间模式", command = nightMode)

# 弹出式菜单（小菜单）部分，便于使用部分编辑功能
popupmenu.add_command(label = "Copy 复制",  command = copy)
root.bind("<Control-C>", showPopupMenu)
popupmenu.add_command(label = "Paste 粘贴", command = paste)
root.bind("<Control-V>", showPopupMenu)
popupmenu.add_command(label = "Cut 剪切",   command = cut)
root.bind("<Control-X>", showPopupMenu)
popupmenu.add_command(label = "Undo 撤销",  command = undo)
root.bind("<Control-Z>", showPopupMenu)
popupmenu.add_command(label = "Redo 复原",  command = redo)
root.bind("<Control-Y>", showPopupMenu)
popupmenu.add_separator()
popupmenu.add_command(label = "Minimize 最小化", command = minimize)

root.bind("<Button-3>", showPopupMenu)  # 右键打开弹出式菜单

root.config(menu = menubar)  # 展示菜单

# 部分快捷键
root.bind("<Control-A>", selectAll)
root.bind("<Control-C>", copy)
root.bind("<Control-V>", paste)
root.bind("<Control-X>", cut)
root.bind("<F6>", search)

root.mainloop()