import tkinter as tk

from tkinter import ttk

from tkinter import font , colorchooser, filedialog, messagebox

import os

main_application = tk.Tk()

main_application.geometry('1200x800')

main_application.title('Notepad')

main_application.wm_iconbitmap('mainicon.ico')

########## main menu #############

main_menu = tk.Menu()

#File icons

new_icon =tk.PhotoImage(file='icons2/new.png')

open_icon =tk.PhotoImage(file='icons2/open.png')

save_icon =tk.PhotoImage(file='icons2/save.png')

save_as_icon =tk.PhotoImage(file='icons2/save_as.png')

exit_icon = tk.PhotoImage(file='icons2/exit.png')

file = tk.Menu(main_menu,tearoff=False)

####edit

#edit icons

copy_icon = tk.PhotoImage(file='icons2/copy.png')

paste_icon = tk.PhotoImage(file='icons2/paste.png')

cut_icon = tk.PhotoImage(file='icons2/cut.png')

clear_all_icon = tk.PhotoImage(file='icons2/clear_all.png')

find_icon = tk.PhotoImage(file='icons2/find.png')

edit= tk.Menu(main_menu,tearoff=False)

##commands are added after edit menu

####view

#view icons

tool_bar_icon = tk.PhotoImage(file='icons2/tool_bar.png')

status_bar_icon = tk.PhotoImage(file='icons2/status_bar.png')

view = tk.Menu(main_menu,tearoff=False)

###color theme

light_default_icon=tk.PhotoImage(file='icons2/light_default.png')

light_plus_icon=tk.PhotoImage(file='icons2/light_plus.png')

dark_icon=tk.PhotoImage(file='icons2/dark.png')

red_icon=tk.PhotoImage(file='icons2/red.png')

monokai_icon=tk.PhotoImage(file='icons2/monokai.png')

night_blue_icon=tk.PhotoImage(file='icons2/night_blue.png')

color_theme = tk.Menu(main_menu,tearoff=False)

#all icons saved in a tuple

theme_choice = tk.StringVar()

color_icons = (light_default_icon ,light_plus_icon,dark_icon,red_icon,monokai_icon,night_blue_icon)

## text ,background

#

color_dict = {

'Light Default' :('#000000','#ffffff'),

'Light Plus' :('#474747','#e0e0e0'),

'Dark' : ('#c4c4c4', '#2d2d2d'),

'Red' : ('#2d2d2d','#ffe8e8'),

'Monokai' : ('#d3b774','#474747'),

'Night Blue' :('#ededed','#6b9dc2')

}

# cascade

main_menu.add_cascade(label='File',menu=file)

main_menu.add_cascade(label='Edit',menu=edit)

main_menu.add_cascade(label='View',menu=view)

main_menu.add_cascade(label='Color Theme',menu=color_theme)

#----------&&&&& End main menu &&&&&----------#

########## toolbar #############

tool_bar = ttk.Label(main_application)

tool_bar.pack(side=tk.TOP,fill=tk.X)

##font box

font_tuple = tk.font.families()

font_family = tk.StringVar()

font_box=ttk.Combobox(tool_bar, width=30 ,textvariable=font_family,state='readonly' )

font_box['values']=font_tuple

font_box.current(font_tuple.index('Arial'))

font_box.grid(row=0,column=0,padx=5)

##size box

size_var = tk.IntVar()

font_size=ttk.Combobox(tool_bar,width=14,textvariable = size_var,state='readonly')

font_size['values']=tuple(range(2,150,2))

font_size.current(6)

font_size.grid(row=0,column=1,padx=5)

##bold button

bold_icon = tk.PhotoImage(file='icons2/bold.png')

bold_btn =ttk.Button(tool_bar ,image=bold_icon)

bold_btn.grid(row=0, column=2, padx=5)

##italic button

italic_icon = tk.PhotoImage(file='icons2/italic.png')

italic_btn=ttk.Button(tool_bar,image=italic_icon)

italic_btn.grid(row=0, column=3,padx=5)

##underline button

underline_icon = tk.PhotoImage(file='icons2/underline.png')

underline_btn=ttk.Button(tool_bar,image=underline_icon)

underline_btn.grid(row=0, column=4,padx=5)

##font color button

font_icon = tk.PhotoImage(file='icons2/font_color.png')

font_color_btn = ttk.Button(tool_bar,image=font_icon)

font_color_btn.grid(row=0, column=5,padx=5)

## align_left

align_left_icon = tk.PhotoImage(file='icons2/align_left.png')

align_left_btn=ttk.Button(tool_bar,image=align_left_icon)

align_left_btn.grid(row=0,column=6,padx=5)

##align center

align_center_icon = tk.PhotoImage(file='icons2/align_center.png')

align_center_btn= ttk.Button(tool_bar,image=align_center_icon)

align_center_btn.grid(row=0,column=7,padx=5)

##align right

align_right_icon = tk.PhotoImage(file='icons2/align_right.png')

align_right_btn=ttk.Button(tool_bar,image=align_right_icon)

align_right_btn.grid(row=0,column=8,padx=5)

#----------&&&&& End toolbar &&&&&----------#

########## text editor #############

text_editor = tk.Text(main_application)

text_editor.config(wrap = 'word', relief=tk.FLAT)

scroll_bar = tk.Scrollbar(main_application)

text_editor.focus_set()

scroll_bar.pack(side = tk.RIGHT,fill=tk.Y)

text_editor.pack(fill=tk.BOTH, expand=True)

scroll_bar.config(command=text_editor.yview)

text_editor.config(yscrollcommand= scroll_bar.set)

## font family and font size functionality

current_font_family= 'Arial'

current_font_size= 14

def change_font(event=None):

global current_font_family

current_font_family = font_family.get()

text_editor.config(font=(current_font_family,current_font_size))

def change_size(event=None):

global current_font_size

current_font_size = size_var.get()

text_editor.config(font=(current_font_family,current_font_size))

##binding combobox with function

font_box.bind("<<ComboboxSelected>>",change_font)

font_size.bind("<<ComboboxSelected>>",change_size)

####### buttons functionality

#bold buttton functionality

def change_bold():

text_property=tk.font.Font(font=text_editor['font'])

##upper line gives a dictionary whose attributes we are changing

if text_property.actual()['weight']=='normal' :

text_editor.configure(font=(current_font_family,current_font_size,'bold'))

if text_property.actual()['weight']=='bold' :

text_editor.configure(font=(current_font_family,current_font_size,'normal'))

bold_btn.configure(command=change_bold)

#italic button functionality

def change_italic():

text_property=tk.font.Font(font=text_editor['font'])

##upper line gives a dictionary whose attributes we are changing

if text_property.actual()['slant']=='roman' :

text_editor.configure(font=(current_font_family,current_font_size,'italic'))

if text_property.actual()['slant']=='italic' :

text_editor.configure(font=(current_font_family,current_font_size,'normal'))

italic_btn.configure(command=change_italic)

##underline button functionality

def underline():

text_property=tk.font.Font(font=text_editor['font'])

##upper line gives a dictionary whose attributes we are changing

if text_property.actual()['underline']==0 :

text_editor.configure(font=(current_font_family,current_font_size,'underline'))

if text_property.actual()['underline']==1 :

text_editor.configure(font=(current_font_family,current_font_size,'normal'))

underline_btn.configure(command=underline)

##font color functionality

def change_font_color():

color_var = tk.colorchooser.askcolor()

##ask color asks for a color and stores into the color_var

##text color is called foreground color also abbrivated as fg

## a tuple in which 0th ondex shows the RGB values where as 1st index shows hexa value for color

text_editor.configure(fg=color_var[1])

font_color_btn.configure(command=change_font_color)

### align functionality

def align_left():

text_content = text_editor.get(1.0, 'end')

text_editor.tag_config('left',justify=tk.LEFT)

text_editor.delete(1.0,tk.END)

text_editor.insert(tk.INSERT,text_content,'left')

align_left_btn.configure(command=align_left)

###align center

def align_center():

text_content = text_editor.get(1.0, 'end')

text_editor.tag_config('center',justify=tk.CENTER)

text_editor.delete(1.0,tk.END)

text_editor.insert(tk.INSERT,text_content,'center')

align_center_btn.configure(command=align_center)

##align right

def align_right():

text_content = text_editor.get(1.0, 'end')

text_editor.tag_config('right',justify=tk.RIGHT)

text_editor.delete(1.0,tk.END)

text_editor.insert(tk.INSERT,text_content,'right')

align_right_btn.configure(command=align_right)

text_editor.configure(font=('Arial',12))

#----------&&&&& End text editor &&&&&----------#

######### status bar #############

status_bar = ttk.Label(main_application, text ='Status Bar')

status_bar.pack(side=tk.BOTTOM)

text_changed = False

def changed(event=None):

global text_changed

if text_editor.edit_modified():###checks if any character is added or not

text_changed= True

words = len(text_editor.get(1.0, 'end-1c').split()) ##it even counts new line character so end-1c subtracts one char

characters = len(text_editor.get(1.0,'end-1c'))

status_bar.config(text=f' Words: {words} Characters : {characters}')

text_editor.edit_modified(False)

text_editor.bind('<<Modified>>',changed)

#----------&&&&& End main status bar &&&&&----------#

########## main menu functinality #############

##file commands

##variable

url = ''

##new functionality

def new_file(event=None):

global url

url = ''

text_editor.delete(1.0,tk.END)

file.add_command(label='new', image=new_icon ,compound=tk.LEFT, accelerator ='Ctrl+N',command=new_file )

##open functionality

## it is coppying the data from the desired file into the working file

def open_file(event=None):

global url

url = filedialog.askopenfilename(initialdir= os.getcwd(), title ='Select File',filetypes=(('Text File','*.txt'),('All files','*.*')))

try:

with open(url, 'r') as fr:

text_editor.delete(1.0,tk.END)

text_editor.insert(1.0,fr.read())

except FileNotFoundError:

return

except :

return

main_application.title(os.path.basename(url))

file.add_command(label='Open', image=open_icon ,compound=tk.LEFT, accelerator ='Ctrl+O',command =open_file )

##save functionality

def save_file(event=None):

global url

try:

if url :

content = str(text_editor.get(1.0,tk.END))

with open(url,'w',encoding= 'utf-8') as fw:

fw.write(content)

else :

url = filedialog.asksaveasfile(mode = 'w' ,defaultextension = '.txt',filetypes=(('Text File','*.txt'),('All files','*.*')))

content = text_editor.get(1.0,tk.END)

url.write(content)

url.close()

except :

return

file.add_command(label='Save', image=save_icon ,compound=tk.LEFT, accelerator ='Ctrl+S',command= save_file )

###save as functionality

def save_as(event=None):

global url

try :

content=text_editor.get(1.0,tk.END)

url = filedialog.asksaveasfile(mode = 'w' ,defaultextension = '.txt',filetypes=(('Text File','*.txt'),('All files','*.*')))

url.write(content)

url.close

except :

return

file.add_command(label='Save As', image=save_as_icon ,compound=tk.LEFT, accelerator ='Ctrl+Alt+S',command =save_as )

##exit functionality

def exit_func(event=None):

global url, text_changed

try:

if text_changed:

mbox = messagebox.askyesnocancel('Warning','Do you want to save the file')

if mbox is True :

##if user wants to save the file and it already exists

if url:

content = text_editor.get(1.0,tk.END)

with open(url,'w',encoding='utf-8') as fw:

fw.write(content)

main_application.destroy()

else:

content2 = str(text_editor.get(1.0,tk.END))

url = filedialog.asksaveasfile(mode = 'w' ,defaultextension = '.txt',filetypes=(('Text File','*.txt'),('All files','*.*')))

url.write(content2)

url.close()

main_application.destroy()

elif mbox is False:

main_application.destroy()

else:

main_application.destroy()

except:

return

file.add_command(label='Exit', image=exit_icon ,compound=tk.LEFT, accelerator ='Ctrl+Q',command=exit_func )

###edit commands

### find functionality

def find_func(event=None):

##using tag inbuilt function

def find():

word = find_input.get()

text_editor.tag_remove('match','1.0',tk.END)

matches = 0

if word :

start_pos = '1.0'

while True :

start_pos = text_editor.search(word,start_pos,stopindex=tk.END)

if(not start_pos):

break

end_pos = f'{start_pos}+{len(word)}c'

text_editor.tag_add('match',start_pos,end_pos)

matches +=1

start_pos=end_pos

text_editor.tag_config('match',foreground='red',background='')

def replace():

word = find_input.get()

replace_text = replace_input.get()

content = text_editor.get(1.0,tk.END)

new_content = content.replace(word,replace_text)

text_editor.delete(1.0,tk.END)

text_editor.insert(1.0,new_content)

find_dialogue = tk.Toplevel()

find_dialogue.geometry('450x250+500+200')

find_dialogue.resizable(0,0)

## frame

find_frame = ttk.LabelFrame(find_dialogue, text ='Find/Replace')

find_frame.pack(pady=20)

## labels

text_find_label = ttk.Label(find_frame,text ='Find :')

text_replace_label = ttk.Label(find_frame,text ='Replace')

##entry boxes

find_input = ttk.Entry(find_frame,width=30)

replace_input = ttk.Entry(find_frame,width=30)

## Button

find_button = ttk.Button(find_frame,text ='Find',command=find)

replace_button = ttk.Button(find_frame,text ='Replace',command=replace)

##label grid

text_find_label.grid(row=0,column=0,padx=4,pady=4)

text_replace_label.grid(row=1,column=0,padx=4,pady=4)

##entry grid

find_input.grid(row=0, column=1,padx=4,pady=4)

replace_input.grid(row=1, column=1,padx=4,pady=4)

##button grid

find_button.grid(row=2 ,column=0 ,padx=8,pady=4)

replace_button.grid(row=2 ,column=1 ,padx=8,pady=4)

find_dialogue.mainloop()

edit.add_command(label='Copy',image=copy_icon,compound=tk.LEFT, accelerator='Ctrl+C',command=lambda:text_editor.event_generate("<Control c>"))

edit.add_command(label='Paste',image=paste_icon,compound=tk.LEFT, accelerator='Ctrl+V',command=lambda:text_editor.event_generate("<Control v>"))

edit.add_command(label='Cut',image=cut_icon,compound=tk.LEFT, accelerator='Ctrl+X',command=lambda:text_editor.event_generate("<Control x>"))

edit.add_command(label='Clear All',image=clear_all_icon,compound=tk.LEFT, accelerator='Ctrl+ALt+X',command=lambda:text_editor.delete(1.0,tk.END))

edit.add_command(label='Find',image=find_icon,compound=tk.LEFT, accelerator='Ctrl+F',command=find_func)

#view check button

##it will have check button

show_statusbar = tk.BooleanVar()

show_statusbar.set(True)

show_toolbar = tk.BooleanVar()

show_toolbar.set(True)

def hide_toolbar():

global show_toolbar

if show_toolbar:

tool_bar.pack_forget()

show_toolbar =False

else:

text_editor.pack_forget()

status_bar.pack_forget()

tool_bar.pack(side=tk.TOP,fill=tk.X)

text_editor.pack(fill=tk.BOTH,expand =True)

status_bar.pack(side=tk.BOTTOM)

show_toolbar = True

def hide_statusbar():

global show_statusbar

if show_statusbar:

status_bar.pack_forget()

show_statusbar =False

else:

status_bar.pack(side=tk.BOTTOM)

show_statusbar=True

view.add_checkbutton(label='Tool Bar',onvalue =True,offvalue=0,variable =show_toolbar,image=tool_bar_icon, compound=tk.LEFT,command=hide_toolbar)

view.add_checkbutton(label='Status Bar',onvalue =1,offvalue=False,variable =show_statusbar,image=status_bar_icon, compound=tk.LEFT,command=hide_statusbar)

###color theme

def change_theme():

choose_theme = theme_choice.get()

color_tuple =color_dict.get(choose_theme)

fg_color,bg_color =color_tuple[0], color_tuple[1]

text_editor.config(background=bg_color,fg=fg_color)

count = 0

for i in color_dict :

color_theme.add_radiobutton(label = i,image=color_icons[count],variable=theme_choice,compound=tk.LEFT,command =change_theme)

count+=1

#----------&&&&& End main menu functinality &&&&&----------#

##binding shortcut keys

main_application.bind("<Control-n>", new_file)

main_application.bind("<Control-o>", open_file)

main_application.bind("<Control-s>", save_file)

main_application.bind("<Control-Alt-s>", save_as)

main_application.bind("<Control-q>", exit_func)

main_application.bind("<Control-q>", exit_func)

main_application.bind("<Control-f>", find_func)

main_application.config(menu=main_menu)

main_application.mainloop()