We will stick to the basic functionalities expected of a simple text editor – which includes the ability to – write something on the notepad, save it and open and modify it whenever required. For the purpose of this tutorial we will design the GUI in Tkinter.
Additionally we will use another standard python module called ScrolledText because the text widget module of Tkinter does not support scrolling functionality.
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NOTEPAD MAKING IN PAYTHON BY ROHIT MALAV
1. SUBMITTED BY:- ROHIT MALAV SUBMITTED TO:- MR.GAJANAND SIR
MAKING NOTEDPAD IN PAYTHON
2. OBJECTIVE:-
The thoughtfully designed software, making notepad using frame
system is meant for computer working in organisations. The
software is integrated with the data in the computer
organisation.
3. KEY HIGHLIGHTS
The barebone text editor
So here’s the starting code for a text editor:
import Tkinter import ScrolledText # Because Tkinter
textarea does not provide scrolling # abilities, we use
this additional library root = Tkinter.Tk(className="
Just another Text Editor") textPad =
ScrolledText.ScrolledText(root, width=100, height=80)
textPad.pack() root.mainloop()
4. Adding Menu Items
import Tkinter from Tkinter import Menu import ScrolledText root =
Tkinter.Tk(className="Just another Text Editor") textPad =
ScrolledText.ScrolledText(root, width=100, height=80) # creates
text area # create a menu def dummy(): print "I am a Dummy
Command, I will be removed in the next step" menu = Menu(root)
root.config(menu=menu) filemenu = Menu(menu)
menu.add_cascade(label="File", menu=filemenu)
filemenu.add_command(label="New", command=dummy)
filemenu.add_command(label="Open...", command=dummy)
filemenu.add_command(label="Save", command=dummy)
filemenu.add_separator() filemenu.add_command(label="Exit",
command=dummy) helpmenu = Menu(menu)
menu.add_cascade(label="Help", menu=helpmenu)
helpmenu.add_command(label="About...", command=dummy) #
end of menu creation textPad.pack() root.mainloop()
5. ADDING FUNCTIONALITY TO EACH MENU ITEM
import Tkinter from Tkinter import * from ScrolledText import *
import tkFileDialog import tkMessageBox root =
Tkinter.Tk(className=" Just another Text Editor") textPad =
ScrolledText(root, width=100, height=80) # create a menu &
define functions for each menu item def open_command():
file =
tkFileDialog.askopenfile(parent=root,mode='rb',title='Select
a file') if file != None: contents = file.read()
textPad.insert('1.0',contents) file.close() def
save_command(self): file =
tkFileDialog.asksaveasfile(mode='w') if file != None: # slice off
the last character from get, as an extra return is added
6. contents = file.read()
textPad.insert('1.0',contents) file.close() def
save_command(self): file =
tkFileDialog.asksaveasfile(mode='w') if file !=
None: # slice off the last character from get,
as an extra return is added data =
self.textPad.get('1.0', END+'-1c')
file.write(data) file.close() def
exit_command(): if
tkMessageBox.askokcancel("Quit", "Do you
really want to quit?"): root.destroy() def
about_command(): label =
tkMessageBox.showinfo("About", "Just
Another TextPad n Copyright n No rights
left to reserve")
7. def dummy(): print "I am a Dummy Command, I will be removed in the
next step" menu = Menu(root) root.config(menu=menu) filemenu =
Menu(menu) menu.add_cascade(label="File", menu=filemenu)
filemenu.add_command(label="New", command=dummy)
filemenu.add_command(label="Open...",
command=open_command) filemenu.add_command(label="Save",
command=save_command) filemenu.add_separator()
filemenu.add_command(label="Exit", command=exit_command)
helpmenu = Menu(menu) menu.add_cascade(label="Help",
menu=helpmenu) helpmenu.add_command(label="About...",
command=about_command) # textPad.pack() root.mainloop()
That gives us a simple Text Editor designed in Python & Tkinter with the
basic functionalities.
If you play with this code and add more functionalities, do let me know
in the comment section.