new_contents: #!/usr/bin/python
  # A GUI to read txt files
  # TODO List:
  # 1. Add more opitions in menu
  # 2. Add search/replace function
  #
  # Ver 0.1:  Jenny, 2015/08/17
  #           Initial version
  #
  from os import listdir, getcwd
  from os.path import isfile, join, dirname, realpath
  
  '''QuickSee.py
  Can change direcotry, select file from the filelist, and
  display it, you can edit and save.
  It supports only text file.
  '''
  try:
     # Python2
      import Tix as tix
      #import Tkinter as tk  # use tix instead
      import tkFileDialog as tkfd
  except ImportError:
     # Python3
      import tkinter.tix as tix
      #import tkinter as tk  # use tix instead
      import tkinter.filedialog as tkfd
  
  class MyEditor(object):
     def __init__(self, master):
        # control panel
        conf = tix.Frame(master,bg="lightblue",  width=300, padx=1,pady=1)
        conf.grid(row=0,column=0,sticky="nw")
        conf.pack(fill="both", expand=1, side = "left")
  
        # file list window
        self.files = tix.FileSelectBox(conf, bg='white', width=300, height=760, command=self.dispfile)
        self.files.grid(row=1, column=1,sticky="nw")
        self.files.pack(fill='both', expand=1, side = "bottom")
  
        # text window
        textw = tix.Frame(master,bg="lightblue", width=900, height=960, padx=5, pady=1)
        textw.grid(row=0,column=1,columnspan=2,sticky="ne")
        textw.pack(fill='both', expand=1, side = "right")
  
        self.edit = tix.ScrolledText(textw,bg='lightblue', width=900, height=960)
        self.edit.pack()
  
        # Menu
        menu = tix.Menu(master)
        root.config(menu=menu)
        # file menu
        filemenu = tix.Menu(menu, tearoff=0)
        menu.add_cascade(label="File", menu=filemenu)
        filemenu.add_command(label="New", command=self.new_text)
        filemenu.add_command(label="Open", command=self.file_open)
        filemenu.add_command(label="SaveAs", command=self.file_saveas)
        filemenu.add_separator()
        filemenu.add_command(label="Exit", command=self.do_exit)
  
        # start with cursor in the editor area
        self.edit.focus()
  
  
     def dispfile(self, path):
        text = open(path).read()
        if text != None:
           # delete any old text first
            self.edit.text.delete(0.0, 'end')
            self.edit.text.insert('end', text)
  
     def new_text(self):
         """clear the text area so you can start new text"""
         self.edit.text.delete(0.0, 'end')
  
     def file_open(self):
         """open a file to read"""
         # the filetype mask (default is all files)
         mask = \
               [("Text and Python files","*.txt *.py *.pyw"),
                     ("HTML files","*.htm *.html"),
                     ("All files","*.*")]
         fin = tkfd.askopenfile(filetypes=mask, mode='r')
  
         text = fin.read()
         if text != None:
            # delete any old text first
             self.edit.text.delete(0.0, 'end')
             self.edit.text.insert('end', text)
  
  
     def file_saveas(self):
         """get a filename and save your text to it"""
         # default extension is optional, will add .txt if missing
         fout = tkfd.asksaveasfile(mode='w', defaultextension=".txt")
         text2save = str(self.edit.text.get(0.0, 'end'))
         print(text2save)  # test
  
         fout.write(text2save)
         fout.close()
  
     def do_exit(self):
         root.destroy()
  
  root = tix.Tk()
  # use width x height + x_offset + y_offset (no spaces!)
  root.geometry("%dx%d+%d+%d" % (1200, 968, 120, 80))
  root['bg']='lightblue'
  #root.minsize(width=1200, height=968)
  #root.resizable(width="true", height="true")
  info1 = "QuickSee "
  info2 = "(ctrl+c=copy ctrl+v=paste ctrl+x=cut ctrl+/=select all)"
  root.title(info1+info2)
  myed = MyEditor(root)
  root.mainloop()
  
  
  
subject: Add QuickSee python tool