Entry Data with increment and timer

Tkinter Projects in Tkinter

Entry data limit with timer and increment


Displaying incremental data based on timer with step value & upper limit in Entry widget of Tkinter


ColumnDetails
DataDisplays the final reading after the calculations
Max LimitUpper limit for Data column value, if increased then the Data value is allowed to change.
StepSpinbox, the increment value for Data.
DelayDelay in milli-seconds. Time for updating the readings using the step value

import tkinter as tk
from tkinter import *
my_w = tk.Tk()
my_w.geometry("400x150")  # Size of the window 
my_w.title("www.plus2net.com")  # Adding a title
font1=('Times 24 normal')
l1=tk.Label(my_w,text='Data')
l1.grid(row=0,column=0,pady=3)
l2=tk.Label(my_w,text='Max Limit')
l2.grid(row=0,column=1,pady=3)
l3=tk.Label(my_w,text='Step')
l3.grid(row=0,column=2,pady=3)
l4=tk.Label(my_w,text='Delay:milli second')
l4.grid(row=0,column=3,pady=3)

e1_d=tk.DoubleVar(value=688.4)
e1 = tk.Entry(my_w,   width=6,bg='yellow',
    textvariable=e1_d,font=font1) # added one Entry box
e1.grid(row=1,column=0,padx=5) 

e_max_i=tk.IntVar(value=702)
e_max = tk.Entry(my_w,   width=4,bg='#FFCCCB',
    textvariable=e_max_i,font=font1) # added one Entry box
e_max.grid(row=1,column=1,padx=5) 

sb1_d=tk.DoubleVar(value=0.2)
sb1 = tk.Spinbox(my_w, from_= 0.2, to = 3.0,width=4, increment=0.2,
    textvariable=sb1_d,font=font1)
sb1.grid(row=1,column=2,padx=5)

sb2_i=tk.IntVar(value=500)
sb2 = tk.Spinbox(my_w, from_= 500, to = 5000,width=4, increment=500,
    textvariable=sb2_i,font=font1)
sb2.grid(row=1,column=3,padx=5)

def my_upd(*args):
    i=e1_d.get()+sb1_d.get()
    if(i<=e_max_i.get()): # check upper limit 
        i="{:.2f}". format(i) # formating upto 2 decimal place 
        e1_d.set(i)
        my_w.after(sb2_i.get(),my_upd)
my_upd() # start 
e_max_i.trace('w',my_upd) # if the max limit is changed
my_w.mainloop()  # Keep the window open
Entry Python Tkinter Projects Spinbox DoubleVar
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