Tkinter implementation of the text editor

Effect:

#-*-Encoding:utf8-*-#python 2.7from Tkinter import *from tkmessagebox import *from tkfiledialog import *import Osfilen Ame = "def author (): Showinfo (' Author: ', ' Sundy ') def about (): Showinfo (' Copyright: ', ' Sundy ') def openfile (): Globa        L filename filename = askopenfilename (defaultextension = '. txt ') if filename = = ': filename = None Else:        Root.title (' filename: ' +os.path.basename (filename)) Textpad.delete (1.0,end) f = open (filename, ' R ')    Textpad.insert (1.0,f.read ()) F.close () def new (): Global filename root.title (' unnamed file ') 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= '    Unnamed. txt ', defaultextension= '. txt ') global filename filename = f fh = open (f, ' w ') msg = Textpad.get (1.0,end) Fh.write (msg) Fh.cloSE () root.title (' FileName: ' +os.path.basename (f)) def cut (): Textpad.event_generate (' <<Cut>> ') def copy () : Textpad.event_generate (' <<Copy>> ') def paste (): Textpad.event_generate (' <<Paste>> ') def Redo (): textpad.event_generate (' <<Redo>> ') def undo (): Textpad.event_generate (' <<Undo>> ')             Def selectall (): Textpad.tag_add (' sel ', ' 1.0 ', END) def search (): Def dosearch (): Myentry = Entry1.get () #获取查找的内容--string Type whatever = str (Textpad.get (1.0,end)) # Print Textpad.index (' zxc ') # print Myen Try # print "%d"% (Whatever.count (myentry)) #计算substr在S中出现的次数 showinfo ("Find results:", "You searched%s, there ar E%d in the text "% (Myentry,whatever.count (myentry))) # Print Whatever.find (myentry) # Teindex = Textpad.inde X (myentry) # Textpad.linestart (teindex) # textpad.mark_set (' Insert ', Teindex) # Textpad.mark_set (Myen Try,current + ' +5c ') # textPad.mark_set (myentry,current + ' wordstart ') Topsearch = toplevel (root) topsearch.geometry (' 300x30+200+250 ') Labe L1 = Label (topsearch,text= ' Find ') Label1.grid (row=0, column=0,padx=5) Entry1 = Entry (topsearch,width=20) entry1.g    RID (row=0, column=1,padx=5) button1 = Button (topsearch,text= ' find ', Command=dosearch) Button1.grid (row=0, column=2) root = Tk () root.title (' Sundy Node ') root.geometry ("800x500+100+100") #Create Menumenubar = menu (Root) root.config (menu = MenuBar) Filemenu = Menu (menubar) filemenu.add_command (label= ' new ', accelerator= ' Ctrl + N ', command= new) filemenu.add_ Command (label= ' open ', accelerator= ' Ctrl + O ', command = OpenFile) Filemenu.add_command (label= ' save ', accelerator= ' Ctrl + S ', Command=save) Filemenu.add_command (label= ' Save As ', accelerator= ' Ctrl + Shift + S ', Command=saveas) Menubar.add_cascade ( Label= ' file ', menu=filemenu) Editmenu = menu (menubar) editmenu.add_command (label= ' undo ', Accelerator= ' Ctrl + Z ', command= undo) Editmenu.add_command (label= ' Redo ', accelerator= ' Ctrl + y ', Command=redo) Editmenu.add_separator () editmenu.add_command (label = "Cut", accelerator = "Ctrl + X", command=cut) Editmenu.add_command (label = "Copy", accelerator = "Ctrl + C", command=copy) editmenu.add_command (label = "Paste", accelerator = "Ctrl + V", command= paste) editmenu.add_separator () editmenu.add_command (label = "Find", accelerator = "Ctrl + F", Command=se Arch) editmenu.add_command (label = "Select All", accelerator = "Ctrl + A", command= SelectAll) menubar.add_cascade (label = "Action", menu = editmenu) Aboutmenu = menu (menubar) aboutmenu.add_command (label = "Author", Command=author) Aboutmenu.add_command ( label = "about", command = ON) menubar.add_cascade (label = "About", menu=aboutmenu) #toolbartoolbar = Frame (Root, height=25 , bg= ' grey ') Shortbutton = Button (toolbar, text= ' open ', command = OpenFile) shortbutton.pack (Side=left, padx=5, pady=5) Shortbutton = Button (toolbar, text= ' save ', command = Save) shortbutton.pack (Side=left) Toolbar.pack (expand=no,fill=x) # Status Barstatus = Label (root, text= ' Ln20 ', bd=1, Relief=sunken,anCHOR=W) Status.pack (Side=bottom, fill=x) #linenumber &textlnlabel =label (Root, width=2, bg= ' antique white ') Lnlabel.pack (Side=left, fill=y) TextPad = Text (root, Undo=true) 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) Root.mainloop ()

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*python2.7 Environment: In Python3. Tkinter in x has changed, please note!!

Tkinter implementation of the text editor