2.8.1 Simple Notepad Project.py

import tkinter
from PIL import ImageTk, Image
from tkinter import StringVar, IntVar, scrolledtext, END, messagebox, filedialog

# Define window
root = tkinter.Tk()
root.title('Notepad')
#root.iconbitmap("./Files and Images/pad.ico")
root.geometry('600x600')
root.resizable(0,0)

# Define fonts and colors
text_color = "#fffacd"
menu_color = "#dbd9db"
root_color = "#6c809a"
root.config(bg=root_color)

# Define functions To Work With The Fonts
def change_font(event):
    """Change the given font based off dropbox options."""
    if font_option.get() == 'none':
        my_font = (font_family.get(), font_size.get())
    else:
        my_font = (font_family.get(), font_size.get(), font_option.get())

    # Change the font style
    input_text.config(font=my_font)

# Function To Work With New Note
def new_note():
    """Create a new Note which essentially clears the screen."""
    # Use a messagebox to ask for a new note
    question = messagebox.askyesno("New Note", "Are you sure you want to start a new note?")
    if question == 1:
        # ScrolledText widgets starting index is 1.0 not 0.
        input_text.delete("1.0", END)

def close_note():
    """Closes the note which essentially quits the program."""
    #Use a messagebox to ask to close
    question = messagebox.askyesno("Close Note", "Are you sure you want to close your note?")
    if question == 1:
        root.destroy()

def save_note():
    """Save the given note. First three lines are saved as font family, font size, and
    font option."""
    #Use filedialog to get location and name of where/what to save the file as.
    save_name = filedialog.asksaveasfilename(initialdir="./", title="Save Note",
    filetypes=(("Text Files", "*.txt"), ("All Files", "*.*")))
    
    with open(save_name, 'w') as f:
        #First three lines of save file are font_family, font_size, and font_options.Font_size must be a string noot int.
        f.write(font_family.get() + "\n")
        f.write(str(font_size.get()) + "\n")
        f.write(font_option.get() + "\n")
        #write remaining text in field to the file
        f.write(input_text.get("1.0", END))

def open_note():
    """Open a previously saved note. First three lines of note are font family, font
    size, and font option. First set the font, then load the text."""
    #Use filedialog to get location and directory of note file
    open_name = filedialog.askopenfilename(initialdir="./", title='Open Note',
    filetypes=(("Text Files", "*.txt"), ("All Files", "*.*")))
    with open(open_name, 'r') as f:
        #Clear the current text
        input_text.delete("1.0", END)
        #First three lines are font_faimly, font_size, and font_option...You must strip
        # the new line char at the end of each line!
        font_family.set(f.readline().strip())
        font_size.set(int(f.readline().strip()))
        font_option.set(f.readline().strip())
        #Call the change font for these .set() and pass an arbitrary value
        change_font(1)
        #Read the rest of the file and insert it into the text field
        text = f.read()
        input_text.insert("1.0", text)


#Define Layout
#Define frames
menu_frame = tkinter.Frame(root, bg=menu_color)
text_frame = tkinter.Frame(root, bg=text_color)
menu_frame.pack(padx=5, pady=5)
text_frame.pack(padx=5, pady=5)
#Layout for menu frame
#Create the menu: new, open, save, close, font family, font size, font option
new_image = ImageTk.PhotoImage(Image.open('./Files and Images/new.png'))
new_button = tkinter.Button(menu_frame, image=new_image, command=new_note)
new_button.grid(row=0, column=0, padx=5, pady=5)
open_image = ImageTk.PhotoImage(Image.open('./Files and Images/open.png'))
open_button = tkinter.Button(menu_frame, image=open_image, command=open_note)
open_button.grid(row=0, column=1, padx=5, pady=5)
save_image = ImageTk.PhotoImage(Image.open('./Files and Images/save.png'))
save_button = tkinter.Button(menu_frame, image=save_image, command=save_note)
save_button.grid(row=0, column=2, padx=5, pady=5)
close_image = ImageTk.PhotoImage(Image.open('./Files and Images/close.png'))
close_button = tkinter.Button(menu_frame, image=close_image, command=close_note)
close_button.grid(row=0, column=3, padx=5, pady=5)
#Create a list of fonts to use
families = ['Terminal', 'Modern', 'Script', 'Courier', 'Arial', 'Calibri', 'Cambria',
'Georgia', 'MS Gothic', 'SimSun', 'Tahoma', 'Times New Roman', 'Verdana', 'Wingdings']
font_family = StringVar()
font_family_drop = tkinter.OptionMenu(menu_frame, font_family, *families,
command=change_font)
font_family.set('Terminal')
#Set the width so it will fit "times new roman" and remain constant
font_family_drop.config(width=16)
font_family_drop.grid(row=0, column=4, padx=5, pady=5)
sizes = [8, 10, 12, 14, 16, 20, 24, 32, 48, 64, 72, 96]
font_size = IntVar()
font_size_drop = tkinter.OptionMenu(menu_frame, font_size, *sizes, command=change_font)
font_size.set(12)
#Set width to be constant even if its 8.
font_size_drop.config(width=2)
font_size_drop.grid(row=0, column=5, padx=5, pady=5)