Mundo em Python

Medidas de Energia (usando Tkinter)

Publicado 01-06-2022
Caio Mário 
import tkinter as tk
from functools import partial
tempVal = "Calorias"
def store_temp(sel_temp):
    global tempVal
    tempVal = sel_temp

def call_convert(rlabel1, rlabe12, inputn):
    tem = inputn.get()
    if tempVal == 'Calorias':
        j = float((float(tem)*4.1868))
        qj = float((float(tem)/859845.24))
        rlabel1.config(text="%f Joules" % j)
        rlabe12.config(text="%f Quilowatts-hora" % qj)
    if tempVal == 'Joules':
        c = float((float(tem)/4.1868))
        qj = float((float(tem)/3600000))
        rlabel1.config(text="%f Calorias" % c)
        rlabe12.config(text="%f Quilowatts" % qj)
    if tempVal == 'Quilowatts-hora':
        c = float((float(tem) * 859845.24))
        j = float((float(tem) *3600000))
        rlabel1.config(text="%f Calorias" % c)
        rlabe12.config(text="%f Joules" % j)
    return
root = tk.Tk()
root.geometry('400x150+100+200')
root.title('Medidas de Energia')
root.configure(background='#09A3BA')
root.resizable(width=False, height=False)
root.grid_columnconfigure(1, weight=1)
root.grid_rowconfigure(0, weight=1)

numberInput = tk.StringVar()
var = tk.StringVar()

# label and entry field
input_label = tk.Label(root, text="Coloca o número: ", background='#09A3BA',
                       foreground="#FFFFFF")
input_entry = tk.Entry(root, textvariable=numberInput)
input_label.grid(row=1)
input_entry.grid(row=1, column=1)
result_label1 = tk.Label(root, background='#09A3BA', foreground="#FFFFFF")
result_label1.grid(row=3, columnspan=4)
result_label2 = tk.Label(root, background='#09A3BA', foreground="#FFFFFF")
result_label2.grid(row=4, columnspan=4)
dropDownList = ["Calorias", "Joules", "Quilowatts-hora"]
#
dropdown = tk.OptionMenu(root, var, *dropDownList, command=store_temp)
var.set(dropDownList[0])
dropdown.grid(row=1, column=3)
dropdown.config(background='#09A3BA', foreground="#FFFFFF")
dropdown["menu"].config(background='#09A3BA', foreground="#FFFFFF")
call_convert = partial(call_convert, result_label1, result_label2, numberInput)

result_button = tk.Button(root, text="Convert", background='#09A3BA',
                          foreground="#FFFFFF", command=call_convert)
result_button.grid(row=2, columnspan=4)

root.mainloop()
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