Python Tkinter Progressbar

 Python Tkinter  Progressbar

widget_object = Progressbar(parent, **options)

# importing tkinter module
from tkinter import *
from tkinter.ttk import *
# creating tkinter window
root = Tk()
root.geometry("400x320")
root.title('Progressbar widget in Tkinter')
# Progress bar widget
progress = Progressbar(root, orient = HORIZONTAL,
length = 100, mode = 'determinate')
# Function responsible for the updation
# of the progress bar value
def bar():
import time
progress['value'] = 20
root.update_idletasks()
time.sleep(1)
progress['value'] = 40
root.update_idletasks()
time.sleep(1)
progress['value'] = 50
root.update_idletasks()
time.sleep(1)
progress['value'] = 60
root.update_idletasks()
time.sleep(1)
progress['value'] = 80
root.update_idletasks()
time.sleep(1)
progress['value'] = 100
progress.pack(pady = 10)
# This button will initialize
# the progress bar
Button(root, text = 'Start', command = bar).pack(pady = 10)
Button(root, text = 'Exit', command = root.destroy).pack(pady = 10)
# infinite loop
mainloop()

# importing tkinter module
from tkinter import *
from tkinter.ttk import *
# creating tkinter window
root = Tk()
root.geometry("400x320")
root.title('Progressbar widget in Tkinter')
# Progress bar widget
progress = Progressbar(root, orient = HORIZONTAL,
length = 100, mode = 'indeterminate')
# Function responsible for the updation
# of the progress bar value
def bar():
import time
progress['value'] = 20
root.update_idletasks()
time.sleep(0.5)
progress['value'] = 40
root.update_idletasks()
time.sleep(0.5)
progress['value'] = 50
root.update_idletasks()
time.sleep(0.5)
progress['value'] = 60
root.update_idletasks()
time.sleep(0.5)
progress['value'] = 80
root.update_idletasks()
time.sleep(0.5)
progress['value'] = 100
root.update_idletasks()
time.sleep(0.5)
progress['value'] = 80
root.update_idletasks()
time.sleep(0.5)
progress['value'] = 60
root.update_idletasks()
time.sleep(0.5)
progress['value'] = 50
root.update_idletasks()
time.sleep(0.5)
progress['value'] = 40
root.update_idletasks()
time.sleep(0.5)
progress['value'] = 20
root.update_idletasks()
time.sleep(0.5)
progress['value'] = 0

progress.pack(pady = 10)
# This button will initialize
# the progress bar
Button(root, text = 'Start', command = bar).pack(pady = 10)
Button(root, text = 'Exit', command = root.destroy).pack(pady = 10)

# infinite loop
mainloop()

#========================

from tkinter import *
from tkinter.ttk import *
import time
root = Tk()
root.title('PythonGuides')
root.geometry('400x250+1000+300')
def step():
    for i in range(5):
        root.update_idletasks()
        pb1['value'] += 20
        
        time.sleep(1)
pb1 = Progressbar(root, orient=HORIZONTAL, length=100, mode='indeterminate')
pb1.pack(expand=True)
Button(root, text='Start', command=step).pack(pady = 10)
Button(root, text = 'Exit', command = root.destroy).pack(pady = 10)

root.mainloop()

#==========================

from tkinter import *
from tkinter.ttk import *
import time
root = Tk()
root.title('PythonGuides')
root.geometry('400x250+1000+300')
def step():
    for i in range(5):
        root.update_idletasks()
        pb1['value'] += 20
        time.sleep(0.5)
    
    for i in range(5):
        root.update_idletasks()
        pb1['value'] -= 20       
        time.sleep(0.5)   

pb1 = Progressbar(root, orient=HORIZONTAL, length=100, mode='indeterminate')
pb1.pack(expand=True)
Button(root, text='Start', command=step).pack(pady = 10)
Button(root, text = 'Exit', command = root.destroy).pack(pady = 10)
root.mainloop()

#===============================

from tkinter import *

from tkinter.ttk import Progressbar

import time

root = Tk()

root.title('PythonGuides')

root.geometry('400x350')

root.config(bg='#345')

pb1 = Progressbar(

    root,

    orient = HORIZONTAL,

    length = 50,

    mode = 'determinate'

    )

pb1.place(x=40, y=20)

pb2 = Progressbar(

    root,

    orient = HORIZONTAL,

    length = 100,

    mode = 'indeterminate'

    )

pb2.place(x=40, y=80)

pb3 = Progressbar(

    root,

    orient = HORIZONTAL,

    length = 150,

    mode = 'determinate'

    )

pb3.place(x=40, y=140)

pb1.start()

pb2.start()

pb3.start()

root.mainloop()

Python Tkinter – SpinBox

 Python Tkinter – SpinBox

w = Spinbox ( master, options)

Parameters:

• master: This parameter is used to represents the parent window.
• options:There are many options which are available and they can be used as key-value pairs separated by commas.

Options:
Following are commonly used Option can be used with this widget :-

• activebackground: This option used to represent the background color when the slider and arrowheads is under the cursor.
• bg: This option used to represent the normal background color displayed behind the label and indicator.
• bd: This option used to represent the size of the border around the indicator and the default value is 2 pixels.
• command: This option is associated with a function to be called when the state is changed.
• cursor: By using this option, the mouse cursor will change to that pattern when it is over the type.
• disabledforeground: This option used to represent the foreground color of the widget when it is disabled..
• disabledbackground: This option used to represent the background color of the widget when it is disabled..
• font: This option used to represent the font used for the text.
• fg: This option used to represent the color used to render the text.
• format: This option used to formatting the string and it’s has no default value.
• from_: This option used to represent the minimum value.
• justify: This option used to control how the text is justified: CENTER, LEFT, or RIGHT.
• relief: This option used to represent the type of the border and It’s default value is set to SUNKEN.
• repeatdelay: This option is used to control the button auto repeat and its default value is in milliseconds.
• repeatinterval: This option is similar to repeatdelay.
• state: This option used to represent the represents the state of the widget and its default value is NORMAL.
• textvariable: This option used to control the behaviour of the widget text.
• to: It specify the maximum limit of the widget value. The other is specified by the from_ option.
• validate: This option is used to control how the widget value is validated.
• validatecommand: This option is associated to the function callback which is used for the validation of the widget content.
• values: This option used to represent the tuple containing the values for this widget.
• vcmd: This option is same as validation command.
• width: This option is used to represents the width of the widget.
• wrap: This option wraps up the up and down button the Spinbox.
• xscrollcommand: This options is set to the set() method of scrollbar to make this widget horizontally scrollable.

Methods:
Methods used in this widgets are as follows:

• delete(startindex, endindex): This method is used to delete the characters present at the specified range.
• get(startindex, endindex): This method is used to get the characters present in the specified range.
• identify(x, y): This method is used to identify the widget’s element within the specified range.
• index(index): This method is used to get the absolute value of the given index.
• insert(index, string): This method is used to insert the string at the specified index.
• invoke(element): This method is used to invoke the callback associated with the widget.

from tkinter import *

root = Tk()

root.geometry("300x200")

w = Label(root, text ='GeeksForGeeks', font = "50")

w.pack()

sp = Spinbox(root, from_= 0, to = 20)

sp.pack()

root.mainloop()

#==============================

from tkinter import *

root = Tk()

root.geometry("300x200")

root.title('Testing Values')

item_1 = IntVar()

def print_item_values():

    a = item_1.get()

    print(a)

item_1 = Spinbox(root, from_= 0, to = 10, width = 5)

item_1.grid(row = 10, column = 10)

value_button = Button(root, text = 'Print values', width = 20, command = 

print_item_values)

value_button.grid(row = 0, column = 1)

root.mainloop()

PythonTkinter - Menu

 PythonTkinter - Menu  

# importing only those functions
# which are needed
from tkinter import *
from tkinter.ttk import *
from time import strftime
# creating tkinter window
root = Tk()
root.title('Menu Demonstration')
root.geometry("640x320")
# Creating Menubar
menubar = Menu(root)
# Adding File Menu and commands
file = Menu(menubar, tearoff = 0)
menubar.add_cascade(label ='File', menu = file)
file.add_command(label ='New File', command = None)
file.add_command(label ='Open...', command = None)
file.add_command(label ='Save', command = None)
file.add_separator()
file.add_command(label ='Exit', command = root.destroy)
# Adding Edit Menu and commands
edit = Menu(menubar, tearoff = 0)
menubar.add_cascade(label ='Edit', menu = edit)
edit.add_command(label ='Cut', command = None)
edit.add_command(label ='Copy', command = None)
edit.add_command(label ='Paste', command = None)
edit.add_command(label ='Select All', command = None)
edit.add_separator()
edit.add_command(label ='Find...', command = None)
edit.add_command(label ='Find again', command = None)
# Adding Help Menu
help_ = Menu(menubar, tearoff = 0)
menubar.add_cascade(label ='Help', menu = help_)
help_.add_command(label ='Tk Help', command = None)
help_.add_command(label ='Demo', command = None)
help_.add_separator()
help_.add_command(label ='About Tk', command = None)
# display Menu
root.config(menu = menubar)
mainloop()

Python Tkinter – Message

 Python Tkinter – Message

w = Message( master, options)

Parameters:

• master: This parameter is used to represents the parent window.
• options:There are many options which are available and they can be used as key-value pairs separated by commas.

Options:
Following are commonly used Option can be used with this widget :-

• anchor: This option is used to decide the exact position of the text within the space .Its default value is CENTER.
• bg: This option used to represent the normal background color.
• bitmap: This option used to display a monochrome image.
• bd: This option used to represent the size of the border and the default value is 2 pixels.
• cursor: By using this option, the mouse cursor will change to that pattern when it is over type.
• font: This option used to represent the font used for the text.
• fg: This option used to represent the color used to render the text.
• height: This option used to represent the number of lines of text on the message.
• image: This option used to display a graphic image on the widget.
• justify: This option used to control how the text is justified: CENTER, LEFT, or RIGHT.
• padx: This option used to represent how much space to leave to the left and right of the widget and text. It’s default value is 1 pixel.
• pady: This option used to represent how much space to leave above and below the widget. It’s default value is 1 pixel.
• relief: The type of the border of the widget. It’s default value is set to FLAT.
• text: This option used use newlines (“\n”) to display multiple lines of text.
• variable: This option used to represents the associated variable that tracks the state of the widget.
• width: This option used to represents the width of the widget. and also represented in the number of characters that are represented in the form of texts.
• wraplength: This option will be broken text into the number of pieces.

from tkinter import *
root = Tk()
root.geometry("300x200")
w = Label(root, text ='GeeksForGeeks', font = "50")
w.pack()

msg = Message( root, text = "A computer science portal for geeks")

msg.pack()
root.mainloop()

Python Tkinter 圓形面積計算

 Python Tkinter 圓形面積計算

請撰寫一程式，輸入一圓的半徑，並加以計算此圓之面積和周長，最後請印出此圓的半徑（Radius）、周長（Perimeter）和面積（Area）。

'''
請撰寫一程式，輸入一圓的半徑，並加以計算此圓之面積和周長，
最後請印出此圓的半徑（Radius）、周長（Perimeter）和面積（Area）。
'''
def exit():
    root.destroy()
 
def convert():
    radius = int(e1.get())
    Perimeter = round((2 * math.pi * radius),2)
    Area= round((math.pi * radius ** 2),2)
    
    t1.config(state='normal')
    t1.delete('1.0', tk.END)
    t1.insert(tk.END,radius)
    t1.config(state='disabled')
    
    t2.config(state='normal')
    t2.delete('1.0', tk.END)
    t2.insert(tk.END,Perimeter)
    t2.config(state='disabled')
    
    t3.config(state='normal')
    t3.delete('1.0', tk.END)
    t3.insert(tk.END,Area)
    t3.config(state='disabled')
    
import math
import tkinter as tk
root = tk.Tk()
root.geometry("640x320")
root.config(bg="#A569BD")
root.resizable(width=False,height=False)
root.title('圓形面積計算')
l1= tk.Label(root,text="輸入半徑 Radius: ",font=("Arial", 10,"bold"),fg="white",bg="#A569BD")
l2= tk.Label(root,text="半徑（Radius）為 : ",font=("Arial", 10,"bold"),fg="white",bg="#A569BD")
l3= tk.Label(root,text="周長（Perimeter）為 : ",font=("Arial", 10,"bold"),fg="white",bg="#A569BD")
l4= tk.Label(root,text="面積（Area）為 : ",font=("Arial", 10,"bold"),fg="white",bg="#A569BD")
 
empty_l1 = tk.Label(root,bg="#A569BD")
empty_l2 = tk.Label(root,bg="#A569BD")
empty_l3 = tk.Label(root,bg="#A569BD")
empty_l4 = tk.Label(root,bg="#A569BD")
empty_l5 = tk.Label(root,bg="#A569BD")
e1= tk.Entry(root,font=('Arial',10))
 
btn1 = tk.Button(root,text="計算",font=("Arial", 10),command=convert)
btn2 = tk.Button(root,text="離開",font=("Arial", 10),command=exit)
 
t1=tk.Text(root,state="disabled",width=15,height=0)
t2=tk.Text(root,state="disabled",width=15,height=0)
t3=tk.Text(root,state="disabled",width=15,height=0)
l1.pack()

e1.pack()
empty_l1.pack()
btn1.pack()
l2.pack()
t1.pack()
empty_l2.pack()
l3.pack()
t2.pack()
empty_l3.pack()
l4.pack()
t3.pack()
empty_l4.pack()
btn2.pack()
root.mainloop()

Python Tkinter: Celsius to Fahrenheit Converter

 Python Tkinter: Celsius to Fahrenheit Converter

def exit():
    root.destroy()
 
def convert():
    c = int(e1.get())
    f = ((c*9)/(5))+32
    t1.config(state='normal')
    t1.delete('1.0', tk.END)
    t1.insert(tk.END,f)
    t1.config(state='disabled')
 
import tkinter as tk
root = tk.Tk()
root.geometry("320x320")
root.config(bg="#A569BD")
root.resizable(width=False,height=False)
root.title('攝氏轉華氏')
 
l1 = tk.Label(root,text="攝氏轉華氏(C2F)",font=("Arial", 15),fg="white",bg="black")
l2= tk.Label(root,text="輸入攝氏溫度 °C : ",font=("Arial", 10,"bold"),fg="white",bg="#A569BD")
l3= tk.Label(root,text="華氏(°F)為 : ",font=("Arial", 10,"bold"),fg="white",bg="#A569BD")
 
empty_l1 = tk.Label(root,bg="#A569BD")
empty_l2 = tk.Label(root,bg="#A569BD")
 
e1= tk.Entry(root,font=('Arial',10))
 
btn1 = tk.Button(root,text="轉為華氏(°F) ",font=("Arial", 10),command=convert)
btn2 = tk.Button(root,text="離開",font=("Arial", 10),command=exit)
 
t1=tk.Text(root,state="disabled",width=15,height=0)
 
l1.pack()
l2.pack()
e1.pack()
empty_l1.pack()
btn1.pack()
l3.pack()
t1.pack()
empty_l2.pack()
btn2.pack()
 
root.mainloop()

Python Tkinter – Text

 Python Tkinter – Text

T = Text(root, bg, fg, bd, height, width, font, ..)

Optional parameters

• root – root window.
• bg – background colour
• fg – foreground colour
• bd – border of widget.
• height – height of the widget.
• width – width of the widget.
• font – Font type of the text.
• cursor – The type of the cursor to be used.
• insetofftime – The time in milliseconds for which the cursor blink is off.
• insertontime – the time in milliseconds for which the cusrsor blink is on.
• padx – horizontal padding.
• pady – vertical padding.
• state – defines if the widget will be responsive to mouse or keyboards movements.
• highligththickness – defines the thickness of the focus highlight.
• insertionwidth – defines the width of insertion character.
• relief – type of the border which can be SUNKEN, RAISED, GROOVE and RIDGE.
• yscrollcommand – to make the widget vertically scrollable.
• xscrollcommand – to make the widget horizontally scrollable.

Some Common methods

• index(index) – To get the specified index.
• insert(index) – To insert a string at a specified index.
• see(index) – Checks if a string is visible or not at a given index.
• get(startindex, endindex) – to get characters within a given range.
• delete(startindex, endindex) – deletes characters within specified range.

Tag handling methods

• tag_delete(tagname) – To delete a given tag.
• tag_add(tagname, startindex, endindex) – to tag the string in the specified range
• tag_remove(tagname, startindex, endindex) – to remove a tag from specified range

Mark handling methods

• mark_names() – to get all the marks in the given range.
• index(mark) – to get index of a mark.
• mark_gravity() – to get the gravity of a given mark.

#=============================================

#=============================================

from tkinter import *

root = Tk()

root.geometry("640x320")

root.title(" Q&A ")

def Take_input():

INPUT = inputtxt.get("1.0", "end-1c")

print(INPUT)

if(INPUT == "120"):

Output.insert(END, 'Correct')

else:

Output.insert(END, "Wrong answer") 

l = Label(text = "What is 24 * 5 ? ")

inputtxt = Text(root, height = 10,

width = 25,

bg = "light yellow")

Output = Text(root, height = 5,

width = 25,

bg = "light cyan")

Display = Button(root, height = 2,

width = 20,

text ="Show",

command = lambda:Take_input())

l.pack()

inputtxt.pack()

Display.pack()

Output.pack()

mainloop()