p22.py

# Create GUI app with Python, Tkinter

# python tkinter tutorial

# python's standard library
# we can make GUI application using this library
# pronunciation: tee-kinter, tk-inter, kinter


# starter code
# import tkinter
# window=tkinter.Tk()                     # Tk is constructor(it will create the window)
# window.mainloop()                       # mainloop is method
# these three line will return window when we will run
# we must write these above three line when we want to make GUI application using Tkinter.




# import tkinter
# window=tkinter.Tk()                    
# window.title("GUI")                        # this will change the name of window
# window.mainloop()





# from tkinter import *                      # importing tkinter libray in other way
# window=Tk()                    
# window.title("GUI")                        
# window.mainloop()





# starter code
import tkinter as tk
from  tkinter import ttk
window=tk.Tk()                    
window.title("GUI")


# create lables ---->lables can be a text, or lable of any thing(stuff)

# widgets(label, button, radio buttons) ---> available in tk and ttk library
# we can use tk or ttk for widgets but ttk widgets are more attractive in terms of design

# name_label=tk.Label(window,text="Enter Your name : ")
name_lable=ttk.Label(window,text="Enter Your name : ")
name_lable.grid(row=0,column=0,sticky=tk.W)                             # # there are two methos for set location of widget 1)pack (name_label.pack()), 2)grid(name_lable.grid(row=0,column=0))

email_lable=ttk.Label(window,text="Enter your E-mail : ")
email_lable.grid(row=1,column=0,sticky=tk.W)

age_label=ttk.Label(window,text="Enter your age : ")
age_label.grid(row=2,column=0,sticky=tk.W)                               # stiky=tk.W  is used for start line from lest side window(stick leble on WEST side)

gender_label=ttk.Label(window,text="Gender : ")
gender_label.grid(row=3,column=0,sticky=tk.W) 

radio_lable=ttk.Label(window,text='Your occuptionption : ')
radio_lable.grid(row=4,column=0,sticky=tk.W)




# Create Entry box
# name_entry=ttk.Entry(window,width=18)
# name_entry.grid(row=0,column=1)
name_var=tk.StringVar()
name_entry=ttk.Entry(window,width=18,textvariable=name_var)                           # what ever we will write in entry box, it will be stored in name_var
name_entry.grid(row=0,column=1)
name_entry.focus()

email_var=tk.StringVar()
email_entry=ttk.Entry(window,width=18,textvariable=email_var)                           
email_entry.grid(row=1,column=1)

age_var=tk.IntVar()
age_entry=ttk.Entry(window,width=18,textvariable=age_var)                           
age_entry.grid(row=2,column=1)




# Create Combo box
gender_var=tk.StringVar()
gender_combo=ttk.Combobox(window,width=15, textvariable=gender_var,state='readonly')               # state is for make comobo box read only, it means we can not write inside combo box
gender_combo['values']=('Male','Female','Other')
gender_combo.current(0)                                          # it is for set the value in comobo box
gender_combo.grid(row=3,column=1)




# create radio button
occuption_var=tk.StringVar()
radio_student=ttk.Radiobutton(window,text='Student', value='Student', variable=occuption_var)
radio_student.grid(row=4,column=1)

radio_teacher=ttk.Radiobutton(window,text='Teacher', value='Teacher', variable=occuption_var)
radio_teacher.grid(row=4,column=2)





# Create Checck Button
check_var=tk.IntVar()
check_button=ttk.Checkbutton(window,text="check if you want to subscribe to our newsletter",variable=check_var)
check_button.grid(row=5,columnspan=3)                         # columnspan is used for taking column without affecting other one. If we write only column we got affected GUI in terms of space.





# create button
# def action():
#     user_name=name_var.get()              # here, get() method is used for getting value of variable
#     user_mail=email_var.get()
#     user_age=age_var.get()
#     user_gender=gender_var.get()
#     user_occuption=occuption_var.get()
#     # for check box, beccause check box will return 0 or 1.
#     if check_var.get()==0:
#         user_checked='NO'
#     else:
#         user_checked="YES"
#     print(f'name:{user_name}, mail-id:{user_mail}, age:{user_age}, gender:{user_gender}, occuption:{user_occuption},Subscribed:{user_checked}')
#     with open("data.txt","a") as data:                    # this code for stotre value in file
#         data.write(f'{user_name},{user_mail},{user_age},{user_gender},{user_occuption},{user_checked}  \n' )
    
#     # these three lines for deleteing values from edit box after clicking on submit button
#     name_entry.delete(0,tk.END)
#     email_entry.delete(0,tk.END)
#     age_entry.delete(0,tk.END)

#     # when we want to change color of name lable after clicking on submit button
#     name_lable.configure(foreground="Blue")             # here we can use color code instead of color name              
#     # name_lable.configure(background="Blue")
#     # window.configure(background="Pink")                # change background color of window
#     # submit_button.configure(foreground="Blue")         # in this we will get error, for doing this we have to use stylish, otherwise use tk insted of ttk in submit_button=tk.Button(.....)



# write into CSV
from csv import DictWriter
import os
def action():
    user_name=name_var.get()              # here, get() method is used for getting value of variable
    user_mail=email_var.get()
    user_age=age_var.get()
    user_gender=gender_var.get()
    user_occuption=occuption_var.get()
    # for check box, beccause check box will return 0 or 1.
    if check_var.get()==0:
        user_checked='NO'
    else:
        user_checked="YES"
    print(f'name:{user_name}, mail-id:{user_mail}, age:{user_age}, gender:{user_gender}, occuption:{user_occuption},Subscribed:{user_checked}')
    

    # write to csv
    with open("data.csv","a",newline='') as data:                    # this code for stotre value in file
        dict_write=DictWriter(data, fieldnames=['User_name','E_mail',"Age",'Gender','Occuption','Subscribed'])
        if os.stat('data.csv').st_size==0:
            dict_write.writeheader()
        dict_write.writerow({
            "User_name" : user_name,
            "E_mail"    : user_mail,
            "Age"       : user_age,
            "Gender"    : user_gender,
            "Occuption" : user_occuption,
            "Subscribed": user_checked
        })
    
    # these three lines for deleteing values from edit box after clicking on submit button
    name_entry.delete(0,tk.END)
    email_entry.delete(0,tk.END)
    age_entry.delete(0,tk.END)

    # when we want to change color of name lable after clicking on submit button
    name_lable.configure(foreground="Blue")




submit_button=ttk.Button(window,text="Submit",command=action)              # command is for calling method
submit_button.grid(row=6,column=0)



window.mainloop()



















# Create Widgets using loop


# For loop
import tkinter as tk
from tkinter import ttk
win=tk.Tk()
win.title("Loop")


# name_lable=ttk.Label(win,text="Enter your name:")
# name_lable.grid(row=0,column=0,sticky=tk.W)


# create lables using loop
lables=['Enter Your Name : ','Enter Your Email : ','Enter Your Age : ','Gender : ','Country : ','State : ','City : ']
for i in range(len(lables)):
    currunt_name='lable'+'f{i}'
    currunt_name=ttk.Label(win,text=lables[i])
    currunt_name.grid(row=i,column=0,sticky=tk.W)


# create entry box
 
#  name_var=tk.StringVar()
user_info={
    'name':tk.StringVar(),
    'email':tk.StringVar(),
    'age':tk.StringVar(),
    'gender':tk.StringVar(),
    'country':tk.StringVar(),
    'state':tk.StringVar(),
    'city':tk.StringVar()
}
count=0
for i in user_info:
    entry_var=i+'_entry'
    entry_var=ttk.Entry(win, width=16,textvariable=user_info[i])
    entry_var.grid(column=1,row=count)
    count+=1


#  name_entry=tk.Entry(win, width=16,textvariable=name_var)
#  name_entry.grid(row=0,column=1)


# Button
def submit():
    for i in user_info:
        print(f"my {i} is {user_info[i].get()}.")

button_entry=ttk.Button(win,text='Submit',command=submit)
button_entry.grid(row=count+1,columnspan=3)

win.mainloop()





















# Padding and Lable Frame





# Padding

# # Create Widgets using loop


import tkinter as tk
from tkinter import ttk
win=tk.Tk()
win.title("Padding")



# create lables using loop
lables=['Enter Your Name : ','Enter Your Email : ','Enter Your Age : ','Gender : ','Country : ','State : ','City : ']
for i in range(len(lables)):
    currunt_name='lable'+'f{i}'
    currunt_name=ttk.Label(win,text=lables[i])
    currunt_name.grid(row=i,column=0,sticky=tk.W, padx=40, pady=10)                  # padx for Left to Right padding and pady for top and bottom padding

# if i will givepadding in only lables, i will get padding automatically in entry boxes also

# create entry box
user_info={
    'name':tk.StringVar(),                      # here key is var name
    'email':tk.StringVar(),
    'age':tk.StringVar(),
    'gender':tk.StringVar(),
    'country':tk.StringVar(),
    'state':tk.StringVar(),
    'city':tk.StringVar()
}
count=0
for i in user_info:
    entry_var=i+'_entry'
    entry_var=ttk.Entry(win, width=16,textvariable=user_info[i])
    entry_var.grid(column=1,row=count, padx=40, pady=10)
    count+=1


# Button
def submit1():
    for i in user_info:
        print(f"my {i} is {user_info[i].get()}.")

button_entry=ttk.Button(win,text='Submit',command=submit1)
button_entry.grid(row=count+1,columnspan=3, padx=40, pady=10)



win.mainloop()







# Lable Frame
# at this time, we are using our full window, we add all lables and entry boxes on our manin window(main frame)
# But now we will make our window(frame) using lable frame

import tkinter as tk
from tkinter import ttk
win=tk.Tk()
win.title(" Lable Frame ")

lable_frame=ttk.LabelFrame(win,text="Enter Your Details Below")
lable_frame.grid(row=0,column=0, padx=50, pady=50)
# if we will run our gui now, we can not see our frame, i mean we can not see our added frame until we add lables and entry boxes in our frame



# create lables using loop
lables=['Enter Your Name : ','Enter Your Email : ','Enter Your Age : ','Gender : ','Country : ','State : ','City : ']
for i in range(len(lables)):
    currunt_name='lable'+'f{i}'
    currunt_name=ttk.Label(lable_frame,text=lables[i])
    currunt_name.grid(row=i,column=0,sticky=tk.W)


# create entry box
user_info={
    'name':tk.StringVar(),                      # here key is var name
    'email':tk.StringVar(),
    'age':tk.StringVar(),
    'gender':tk.StringVar(),
    'country':tk.StringVar(),
    'state':tk.StringVar(),
    'city':tk.StringVar()
}
count=0
for i in user_info:
    entry_var=i+'_entry'
    entry_var=ttk.Entry(lable_frame, width=16,textvariable=user_info[i])
    entry_var.grid(column=1,row=count)
    count+=1


# Button
def submit2():
    for i in user_info:
        print(f"my {i} is {user_info[i].get()}.")

button_entry=ttk.Button(lable_frame,text='Submit',command=submit2)
button_entry.grid(row=count+1,columnspan=3)


# In this case we haven't added padding
# don't worry, we have one method of lable_frame_widget like

for child in lable_frame.winfo_children():
    # print(child)                     # in this i will get list of all lables and entries and button which are in frame
    child.grid_configure(padx=40,pady=10)



win.mainloop()
























# Tabbed Control Widget

# Tab Widget
# Notebook -----> contain twwo pages
# Page 1                   # Page 2
# Widgets                   Widgets




import tkinter as tk
from tkinter import ttk
win=tk.Tk()
win.title(" Tab Widget ")

nb=ttk.Notebook(win)

# Page1 and page2 both will frames
page1=ttk.Frame(nb)
page2=ttk.Frame(nb)

# I have to add these two pages in Notebook
nb.add(page1,text='ONE')
nb.add(page2,text='TWO')

# I want to add this complete notebook on window
# nb.grid(row=0,column=0)
nb.pack(expand=True, fill='both')             
# Expand ---> when set to true, widget expands to fill any space not otherwise used in widget's parent
# fill   ---> Determines whether widget fills any extra space allocated to it by packer, or keeps its own minimal dimensions: NONE(default), X)fill only horizontally),Y (fill only vertically), or BOTH(fill both Horizontally and vertically)


# I will create lable and entrybox on page1
lable_page1=ttk.Label(page1,text="Enter Your Name : ")
lable_page1.grid(row=0,column=0)

entry_page1=ttk.Entry(page1,width=30)
entry_page1.grid(row=0,column=1)


lable_page2=ttk.Label(page2,text="Enter Your Age : ")
lable_page2.grid(row=0,column=0)


win.mainloop()





















# Create MenuBar
import tkinter as tk
from tkinter import ttk
win=tk.Tk()
win.title(" MenuBar ")


def func():
    print("func called....")


# Menu ---> this is a class in our tkinter


# ************************ Simple MenuBar ***********************
# menubar=tk.Menu(win)
# menubar.add_command(label='Save', command=func)
# menubar.add_command(label='Save As', command=func)
# menubar.add_command(label='Copy', command=func)
# menubar.add_command(label='Past', command=func)


main_menu=tk.Menu(win)


# File Menu
file_menu=tk.Menu(main_menu,tearoff=0)                              # tearoff is used to remove tearoff (---------) which hapenes in first line of file and edit
# Now i want to add command(labels) in File
file_menu.add_command(label='New File', command=func)
file_menu.add_command(label='New Window', command=func)
# to create saperator between two command
file_menu.add_separator()
file_menu.add_command(label='Open File', command=func)
file_menu.add_command(label='Save File', command=func)
# Now we have to cascade file_menu in main_menu
main_menu.add_cascade(label="File", menu=file_menu)



# Edit menu
edit_menu=tk.Menu(main_menu,tearoff=0)
# Now i want to add command(labels) in File
edit_menu.add_command(label='Undo', command=func)
edit_menu.add_command(label='Redo', command=func)
edit_menu.add_separator()
edit_menu.add_command(label='Cut', command=func)
edit_menu.add_command(label='Copy', command=func)
edit_menu.add_command(label='Past', command=func)
edit_menu.add_separator()
edit_menu.add_command(label='Find', command=func)
# Now we have to cascade edit_menu in main_menu
main_menu.add_cascade(label="Edit", menu=edit_menu)


# here we will not use grid or pack
win.config(menu=main_menu)




win.mainloop()



























# Message Box and Exception Handling

import tkinter as tk
from tkinter import ttk
from tkinter import messagebox as m_box
win=tk.Tk()
win.title(" Message Box ")


# Label frame
lable_frame=ttk.LabelFrame(win,text="Contact Detail")
lable_frame.grid(row=0,column=0,padx=40,pady=40)



# Create labels and entry in label frame

# ************* For name ***************
# name label
name_label=ttk.Label(lable_frame,text="Enter Your name : ",font=('Helvetica',14,'bold'))               # font is used to make deal with label's font, helvetica comes from font family, 14 is font size.    
name_label.grid(row=0,column=0,padx=10,pady=10,sticky=tk.W)
# name entry
name_var=tk.StringVar()
name_entry=ttk.Entry(lable_frame,width=36,textvariable=name_var)
name_entry.grid(row=1,column=0,padx=10,pady=10,sticky=tk.W)


# ************ For age **************
# age label
age_label=ttk.Label(lable_frame,text="Enter Your age : ",font=('Helvetica',14))
age_label.grid(row=0,column=1,padx=10,pady=10,sticky=tk.W)
# age entry
age_var=tk.StringVar()
age_entry=ttk.Entry(lable_frame,width=36,textvariable=age_var)
age_entry.grid(row=1,column=1,padx=10,pady=10,sticky=tk.W)


# ********** Button **************

def action1():
    # m_box.showinfo('title','content of this message box !!')
    # m_box.showerror('title','content of this message box !!!')
    # m_box.showwarning('title','content of this message box !!!')
    name=name_var.get()
    age=age_var.get()
    if name=='' or age=='':
        m_box.showerror('Error','Please fill both entries !!!')
    else:
        # age='wvvsdsc'           # Value error
        try:
            age=int(age)                
        except ValueError:
            m_box.showerror("Error","Only digits are allowed in age field") 
        else:
            if age>0:
                print(f'name is : {name} and age is : {age}')
            else:
                raise ValueError(m_box.showerror('Error','Please enter valid age'))
            if age<18:
                m_box.showwarning("warning","you are not 18, visit this content on your own risk")


sub_btn=ttk.Button(win,text="Submit", command=action1)
sub_btn.grid(row=1,columnspan=3,padx=40)



win.mainloop()