# encoding=utf-

from tkinter import *

from tkinter.filedialog import *

from tkinter.messagebox import *

import os

'''打开文件的功能目前不是很完善'''

filename = ''

def author():

    showinfo('helo', '儿子')

def power():

    showinfo('版权信息', '爸爸')

def myopen():

    global filename

    filename = askopenfilename(defaultextension='.txt')

    if filename == '':

        filename = None

    else:

        root.title('linlin-note' + os.path.basename(filename))

        textPad.delete(1.0, END)

        f = open(filename, 'r')

        textPad.insert(1.0, f.read())

        f.close()

def new():

    global root, filename, textPad

    root.title('未命名文件')

    filename = None

    textPad.delete(1.0, END)

def save():

    global filename

    try:

        f = open(filename, 'w')

        msg = textPad.get(1.0, 'end')

        f.write(msg)

        f.close()

    except:

        saveas()

def saveas():

    f = asksaveasfilename(initialfile='未命名.txt', defaultextension='.txt')

    global filename

    filename = f

    fh = open(f, 'w')

    msg = textPad.get(1.0, END)

    fh.write(msg)

    fh.close

    root.title('linlin 记事本' + os.path.basename(f))

def cut():

    global textPad

    textPad.event_generate('<<Cht>>')

def copy():

    global textPad

    textPad.event_generate('<<Copy>>')

def paste():

    global textPad

    textPad.event_generate('<<Paste>>')

def undo():

    global textPad

    textPad.event_generate('<<Undo>>')

def redo():

    global textPad

    textPad.event_generate('<<Redo>>')

def select_all():

    global textPad

    textPad.event_generate('sel', '1.0', 'end')

def find():

    global root

    t = Toplevel(root)

    t.title('查找')

    # 设置窗口大小

    t.geometry('290x70+200+250')

    t.transient(root)

    v1=StringVar()

    Label(t, text='查找/替换:').grid(row=, column=, sticky='e')

    Label(t, text='替换文本:').grid(row=, column=)

    Entry(t, width=,textvariable=v1).grid(row=, column= )

    v = StringVar()

    e = Entry(t, width=, textvariable=v)#替换

    e.grid(row=, column=, padx=, pady=, sticky='we')

    e.focus_set()

    c = IntVar()

    #Checkbutton(t, text='不区分大小写', variable=c).grid(row=, column=, sticky='e')

    Button(t, text='查找所有', command=lambda: search(v.get(), c.get(), textPad, t, e)).grid(row=, column=,sticky='e' + 'w', padx=,pady=)

    Button(t, text='替换所有', command=lambda: mytihuan(v1.get(),v.get())).grid(row=, column=, padx=,pady=)

    #tihuantext = Text(t, width=, height=)

    def close_search():

        textPad.tag_remove('match', '1.0', END)

        t.destroy()

    t.protocol('WM_DELETE_WINDOW', close_search)

def mytihuan(tihuanwenben,yuanshiwenben):

    showinfo('helo', "替换成功")

    find_data = yuanshiwenben.strip()

    replace_data =tihuanwenben.strip()

    data = textPad.get(1.0,END)

    print("finddata"+find_data)

    data = data.replace(find_data, replace_data)

    textPad.delete(1.0,END)

    textPad.insert(1.0,data)

    #textPad.mark_set(data)

def search(needle, cssnstv, textPad, t, e):

    textPad.tag_remove('match', '1.0', END)

    count =

    if needle:

        pos = '1.0'

        while True:

            pos = textPad.search(needle, pos, nocase=cssnstv, stopindex=END)

            if not pos: break

            #lastpos=

            lastpos = pos + str(len(needle))

            #print(str(len(needle))+"-----"+needle)

            textPad.tag_add('match', pos, lastpos)

            count +=

            pos = lastpos

        textPad.tag_config('match', foreground='yellow', background='green')

        e.focus_set()

        t.title(str(count) + '个被匹配')

def popup(event):

    global editmenu

    editmenu.tk_popup(event.x_root, event.y_root)

root = Tk()

root.title('记事本')

root.geometry('800x800+100+100')

menubar = Menu(root)

filemenu = Menu(menubar,tearoff=False)#等于false 不显示上面的-------

filemenu.add_command(label='新建', accelerator='Ctrl+N', command=new)

filemenu.add_command(label='打开', accelerator='Ctrl+O', command=myopen)

filemenu.add_command(label='保存', accelerator='Ctrl+S', command=save)

filemenu.add_command(label='另存为', accelerator='Ctrl+Shift+S', command=saveas)

menubar.add_cascade(label='文件', menu=filemenu)

editmenu = Menu(menubar,tearoff=False)#等于false 不显示上面的-------

editmenu.add_command(label='撤销', accelerator='Ctrl+Z', command=undo)

editmenu.add_command(label='重做', accelerator='Ctrl+Y', command=redo)

editmenu.add_separator()

editmenu.add_command(label='剪切', accelerator='Ctrl+X', command=cut)

editmenu.add_command(label='复制', accelerator='Ctrl+C', command=copy)

editmenu.add_command(label='粘贴', accelerator='Ctrl+V', command=paste)

editmenu.add_separator()

editmenu.add_command(label='查找/替换', accelerator='Ctrl+F', command=find)

editmenu.add_command(label='全选', accelerator='Ctrl+A', command=select_all)

menubar.add_cascade(label='编辑', menu=editmenu)

aboutmenu = Menu(menubar,tearoff=False)#等于false 不显示上面的-------

aboutmenu.add_command(label='作者', command=author)

aboutmenu.add_command(label='版权', command=power)

menubar.add_cascade(label='关于', menu=aboutmenu)

root.config(menu=menubar)

# root['menu'] = menubar

# shortcutbar = Frame(root, height=, bg='light sea green')

# shortcutbar.pack(expand=NO, fill=X)

# lnlabel = Label(root, width=, bg='antique white')

# lnlabel.pack(side=LEFT, anchor='nw', fill=Y)

textPad = Text(root, width=, height=, selectforeground="black", undo=True, font=)

textPad.pack(expand=YES, fill=BOTH)

scroll = Scrollbar(textPad)

textPad.config(yscrollcommand=scroll.set)

scroll.config(command=textPad.yview)

scroll.pack(side=RIGHT, fill=Y)

textPad.bind('<Control-N>', new)

textPad.bind('<Control-n>', new)

textPad.bind('<Control-O>', myopen)

textPad.bind('<Control-o>', myopen)

textPad.bind('<Control-S>', save)

textPad.bind('<Control-s>', save)

textPad.bind('<Control-A>', select_all)

textPad.bind('<Control-a>', select_all)

textPad.bind('<Control-F>', find)

textPad.bind('<Control-f>', find)

textPad.bind('<Button-3>', popup)

root.mainloop()