PYTHON-GUI PROGRAMMING [TKINTER]

 

PYTHON-GUI PROGRAMMING [TKINTER]

 

CREATE WINDOW

import Tkinter

win=Tkinter.Tk()

win.mainloop()

Output

LABEL WIDGET

For example:-

from Tkinter import*

master =Tk()

w=Label(master, text="Welcome to the world")

w.pack()

mainloop()

Output

Example:-

#Example for label with font and colour

from Tkinter import*

master=Tk()

w=Label(master, text="Welcome",fg="red",font=(" Arial Unicode MS",40))

w.pack()

mainloop()

Output

Example:-

#multiline text with label wrap

#font size and justify features

from Tkinter import*

master=Tk()

v=StringVar()

w=Label(master, textvariable=v, fg="red", font=("verdana",14), anchor=W, justify=CENTER)

v.set("label can display multiple line of text.\nyou can use newline or use the wraplength option \nto make the label wrap text by itself.")

w.pack()

mainloop()

Output

Printing image in Tkinter

Example:-

            from Tkinter import*

            root=Tk()

            Photo=PhotoImage(file="c:\python27\logo.gif")

            w=label(root,image=photo)

            w.pack()

            root.mainloop()

 

LabelFrame Widget

from Tkinter import*

master=Tk()

group=LabelFrame(master,text="E-mail id", padx=5, pady=5)

group.pack(padx=10,pady=10)

w=Entry(group)

w.pack()

mainloop()

Output

For Example:-

# fetch the entry item into labelframe

from Tkinter import*

master=Tk()

group=LabelFrame(master,text="E-Mail ID",bd=5,padx=10,pady=10,bg="blue",fg="red")

group.pack(padx=10,pady=10)

w=Entry(group)

w.pack()

mainloop()

Output

BUTTON WIDGET

syntax:-

Button(master=None,**options)

for example1:-

from Tkinter import*

master=Tk()

def DispFun():

      print("Welcome Student")

b=Button(master,text="press me",command=DispFun)

b.pack()

mainloop()

Output

Welcome Student

for example2:-

from Tkinter import *

master=Tk()

def dispFun():

        print("\n"*50)

        print("Hello World!")

b=Button(master,text="Press Me" ,padx=20,pady=20,command=dispFun,bg="red",fg="green", font=("verdana",20),relief=FLAT)

b.pack()

mainloop()

Output

============================ RESTART: E:/tkk8.py ============================

 

Hello World!

Example:-

from Tkinter import*

master=Tk()

var1 = IntVar()

var2 = IntVar()

var3 = IntVar()

var4 = IntVar()

var5 = IntVar()

def checkfun():

      txt=StringVar

      txt=" "

      if var1.get()==1:

            txt =txt +" " + c1.cget("text")

      if var2.get()==1:

            txt =txt +" " + c2.cget("text")

      if var3.get()==1:

            txt =txt +" " + c3.cget("text")

      if var4.get()==1:

            txt =txt +" " + c4.cget("text")

      if var5.get()==1:

            txt =txt +" " + c5.cget("text")

      print(txt)

c1 = Checkbutton(master,text="HDCA",variable=var1)

c2 = Checkbutton(master,text="HDCP",variable=var2)

c3 = Checkbutton(master,text="ADJP",variable=var3)

c4 = Checkbutton(master,text="DUC",variable=var4)

c5 = Checkbutton(master,text="DCA",variable=var5)

b1 = Button(master,text="OK",command=checkfun)

c1.pack()

c2.pack()

c3.pack()

c4.pack()

c5.pack()

b1.pack()

mainloop()

Output

Python - Tkinter Spinbox

from Tkinter import *

master = Tk()

sptxt = StringVar(master)

sptxt.set("DMO")

def callme():

  print sptxt .get()

w = Spinbox(master,textvariable= sptxt,value=("HDCA","DCA","DMO","ADJP","DUC","J2EE","DTP") ,fg="green",command=callme,bd=4)

sptxt.set("DMO")

w.pack()

mainloop()

Output

Listbox Widget

Example for Listbox widget

from Tkinter import *

master = Tk()

txt=StringVar()

listbox = Listbox(master)

listbox.pack()

for item in["HDCA","DCA","DMO","DOTNET"]:

    listbox.insert(END,item)

def callback():

   txt.set(listbox.get(ACTIVE))

Label(master,text="selected Item:").pack()

Entry(master,text="",textvariable=txt).pack()

button = Button(master,text="press",command=callback)

button.pack()

mainloop()

Output

Menu Widget

Example

from Tkinter import*

root = TK()

def hello():

       print"hello!"

menubar = Menu(root)

create a pulldown menu, and add it to the menu bar

filemenu  = Menu(menubar,tearoff=0)

filemenu.add_command(lable="Open",command=hello)

filemenu.add_command(lable="Save",command=hello)

filemenu.add_separator()

filemenu.add_command(lable="Exit",command=root.quit)

menubar.add_cascade(lable="File",menu=filemenu)

 

from Tkinter import*

root = Tk()

def hello():

       print("hello!")

menubar = Menu(root)

#create a pulldown menu, and add it to the menu bar

filemenu  = Menu(menubar,tearoff=0)

filemenu.add_command(label="Open",command=hello)

filemenu.add_command(label="Save",command=hello)

filemenu.add_separator()

filemenu.add_command(label="Exit",command=root.quit)

menubar.add_cascade(label="File",menu=filemenu)

 

#create more pulldown menus

editmenu = Menu(menubar,tearoff=0)

editmenu.add_command(label="Cut",command=hello)

editmenu.add_command(label="Copy",command=hello)

editmenu.add_command(label="Paste",command=hello)

menubar.add_cascade(label="Edit", menu=editmenu)

helpmenu= Menu(menubar,tearoff=0)

helpmenu.add_command(label="About",command=hello)

menubar.add_cascade(label="Help",menu=helpmenu)

#display the menu

root.config(menu=menubar)

mainloop()

output

#OptionMenu Widget

the constructor syntax is:

from Tkinter import*

#OptionMenu(master,variable,*values)

OPTIONS = [

 "HDCA",

 "TALLY",

 "PYTHON"

]

master = Tk()

variable = StringVar(master)

variable.set(OPTIONS[0]) # defalut value

w = apply(OptionMenu,(master,variable)+ tuple(OPTIONS))

w.pack()

mainloop()

output

Radiobutton Widget

from Tkinter import*

master = Tk()

MODES = [

    ("HDCA","H"),

    ("DCA","D"),

    ("TALLY","T"),

    ("AUTOCAD","A"),

]

v = StringVar()

v.set("T") # intialize

for text, mode in MODES:

      b = Radiobutton(master,text=text,variable=v, value=mode)

      b.pack(anchor=W)

mainloop()

Output

Scale Widget

from Tkinter import *

master = Tk()

w = Scale(master,from_=0,to=100)

w.pack()

w = Scale(master,from_=0, to=200, orient=HORIZONTAL)

w.pack()

mainloop()

Output

Example:-

from Tkinter import *         

master = Tk()

s1=IntVar()

s2=IntVar()

st1=StringVar()

st2=StringVar()

 

s1.set(5)

s2.set(3)

def scalefun1(*args):

  st1.set(s1.get())

def scalefun2(*args):

  st2.set(s2.get())

Scale1 = Scale(master,variable=s1,from_=0,to=100,command=scalefun1)

Scale1.pack()

Entry(master,textvariable=st1).pack()

Entry(master,textvariable=st2).pack()

Scale2 = Scale(master,variable=s2,from_=0,to=200,orient=HORIZONTAL,command=scalefun2)

Scale2.pack()

mainloop()

Tkinter tkmessageBox

Output

Tkinter tkMessageBox

from Tkinter import*         

import tkMessageBox

master = Tk()

num =StringVar()

def callme():

    if int(num.get())<0:

        tkMessageBox.showinfo("Error","Enter postive number")

    else:

        tkMessageBox.showinfo("Welcome","Vaild number")

Label(master,text="Enter a number").pack()

Entry(master,textvariable=num).pack()

B1 = Button(master,text="Welcome",command =callme)

B1.pack()

mainloop()

Output

Scrollbar Widget

Example

from Tkinter import*         

master = Tk()

lst=['Kannadasan','rajesh','mahadevan','seetha rama chandren','leela',\

'samuel','kumar','malathy','balaraman','revathi','sumathi',\

'kaviya','arunkumar','sujatha']

scrollbar = Scrollbar(master,orient=HORIZONTAL)

scrollbar.pack(side=BOTTOM, fill=BOTH)

listbox = Listbox(master, yscrollcommand=scrollbar.set)

for i in lst:

   listbox.insert(END,i)

listbox.pack(side=LEFT)

scrollbar.config(command=listbox.yview)

mainloop()

Output

Insert Data into MYSQL Database Using Tkinter Data Entry Screen

import Tkinter

from Tkinter import*  

import sqlite3,sys

# open database connection

# prepare a cursor object using cursor() method

conn=sqlite3.connect("emplo.db")

cursor=conn.cursor()

master = Tk()

group=LabelFrame(master,text=" E M P L O Y E E  D A T A  E N T R Y  S C R E E N", padx=10,pady=10)

group.pack(padx=10, pady=10)

T1 =StringVar()

T2 =StringVar()

T3 =StringVar()

T4 =IntVar()

c1 =StringVar()

Tsex = StringVar()

def callme():

   if c1.get()=="M":

     Tsex="Male"

   else:

     Text="Female"

   sql = "insert into cscemp(empno,empname,sex,desig,salary)values('%d','%s','%s','%d')"%((int(T1.get()),T2.get(),Tsex,T3.get(),(int(T4.get()))))

   cursor.execute(sql)

   db.commit()

Label(group,text="Employee No").grid(row=0,column=3)

w=Entry(group,textvariable=T1).grid(row=0,column=20)

Label(group,text="Employee Name").grid(row=2,column=3)

w1=Entry(group,textvariable=T2).grid(row=2,column=20)

Label(group,text="Designation").grid(row=6,column=3)

w3=Entry(group,textvariable=T3).grid(row=6,column=20)

Label(group,text="Sex").grid(row=4,column=3)

R1 = Radiobutton(group,text="Male", variable=c1,value="M").grid(row=4,column=20)

R2 = Radiobutton(group,text="Female", variable=c1,value="F").grid(row=4,column=25)

b1  = Button(group,text="Add",command=callme).grid(row=7,column=25)

w4=Entry(group,textvariable=T4).grid(row=8,column=20)

Label(group,text="Salary").grid(row=8,column=3)

c1.set("M")

mainloop()

db.close()

 Output

 

Student Attendance Registration using MySQL and Tkinter

from Tkinter import *

import sqlite3,sys

 

def connection():

    try:

        conn=sqlite3.connect("student.db")

    except:

        print("cannot connect to the database")

    return conn   

 

 

def verifier():

    a=b=c=d=e=f=0

    if not student_name.get():

        t1.insert(END,"<>Student name is required<>\n")

        a=1

    if not roll_no.get():

        t1.insert(END,"<>Roll no is required<>\n")

        b=1

    if not branch.get():

        t1.insert(END,"<>Branch is required<>\n")

        c=1

    if not phone.get():

        t1.insert(END,"<>Phone number is requrired<>\n")

        d=1

    if not father.get():

        t1.insert(END,"<>Father name is required<>\n")

        e=1

    if not address.get():

        t1.insert(END,"<>Address is Required<>\n")

        f=1

    if a==1 or b==1 or c==1 or d==1 or e==1 or f==1:

        return 1

    else:

        return 0

 

 

def add_student():

            ret=verifier()

            if ret==0:

                conn=connection()

                cur=conn.cursor()

                cur.execute("CREATE TABLE IF NOT EXISTS STUDENTS(NAME TEXT,ROLL_NO INTEGER,BRANCH TEXT,PHONE_NO INTEGER,FATHER TEXT,ADDRESS TEXT)")

                cur.execute("insert into STUDENTS values(?,?,?,?,?,?)",(student_name.get(),int(roll_no.get()),branch.get(),int(phone.get()),father.get(),address.get()))

                conn.commit()

                conn.close()

                t1.insert(END,"ADDED SUCCESSFULLY\n")

 

 

def view_student():

    conn=connection()

    cur=conn.cursor()

    cur.execute("select * from STUDENTS")

    data=cur.fetchall()

    conn.close()

    for i in data:

        t1.insert(END,str(i)+"\n")

 

 

def delete_student():

    ret=verifier()

    if ret==0:

        conn=connection()

        cur=conn.cursor()

        cur.execute("DELETE FROM STUDENTS WHERE ROLL_NO=?",(int(roll_no.get()),))

        conn.commit()

        conn.close()

        t1.insert(END,"SUCCESSFULLY DELETED THE USER\n")

 

def update_student():

    ret=verifier()

    if ret==0:

        conn=connection()

        cur=conn.cursor()

        cur.execute("UPDATE STUDENTS SET NAME=?,ROLL_NO=?,BRANCH=?,PHONE_NO=?,FATHER=?,ADDRESS=? where ROLL_NO=?",(student_name.get(),int(roll_no.get()),branch.get(),int(phone.get()),father.get(),address.get(),int(roll_no.get())))

        conn.commit()

        conn.close()

        t1.insert(END,"UPDATED SUCCESSFULLY\n")

 

 

def clse():

    sys.exit()

 

 

if __name__=="__main__":

    root=Tk()

    root.title("Student Management System")

    

    student_name=StringVar()

    roll_no=StringVar()

    branch=StringVar()

    phone=StringVar()

    father=StringVar()

    address=StringVar()

   

    label1=Label(root,text="Student name:")

    label1.place(x=0,y=0)

 

    label2=Label(root,text="Roll no:")

    label2.place(x=0,y=30)

 

    label3=Label(root,text="Branch:")

    label3.place(x=0,y=60)

 

    label4=Label(root,text="Phone Number:")

    label4.place(x=0,y=90)

 

    label5=Label(root,text="Father Name:")

    label5.place(x=0,y=120)

 

    label6=Label(root,text="Address:")

    label6.place(x=0,y=150)

 

    e1=Entry(root,textvariable=student_name)

    e1.place(x=100,y=0)

 

    e2=Entry(root,textvariable=roll_no)

    e2.place(x=100,y=30)

 

    e3=Entry(root,textvariable=branch)

    e3.place(x=100,y=60)

 

    e4=Entry(root,textvariable=phone)

    e4.place(x=100,y=90)

   

    e5=Entry(root,textvariable=father)

    e5.place(x=100,y=120)

 

    e6=Entry(root,textvariable=address)

    e6.place(x=100,y=150)

   

    t1=Text(root,width=80,height=20)

    t1.grid(row=10,column=1)

  

 

 

    b1=Button(root,text="ADD STUDENT",command=add_student,width=40)

    b1.grid(row=11,column=0)

 

    b2=Button(root,text="VIEW ALL STUDENTS",command=view_student,width=40)

    b2.grid(row=12,column=0)

 

    b3=Button(root,text="DELETE STUDENT",command=delete_student,width=40)

    b3.grid(row=13,column=0)

 

    b4=Button(root,text="UPDATE INFO",command=update_student,width=40)

    b4.grid(row=14,column=0)

 

    b5=Button(root,text="CLOSE",command=clse,width=40)

    b5.grid(row=15,column=0)

 

 

    root.mainloop()

Output