from tkinter import *
from datetime import datetime, timedelta
root = Tk()
root.geometry("500x400")
root.resizable(0, 0)
root.config(bg="#d9ead3")
root.title("Diferença entre horas")
def limpar():
    Hora_Inicial_entrada.delete(0, END)
    Hora_final_entrada.delete(0, END)
def app():
    h_inicial = str(Hora_Inicial.get())
    h_final = str(Hora_final.get())
    hora_inicial = datetime.strptime(h_inicial, '%H:%M')
    hora_final = datetime.strptime(h_final, '%H:%M')
    if hora_inicial > hora_final:
        hora_final += timedelta(days=1)

    diferenca_horas = hora_final - hora_inicial
    horas = diferenca_horas.seconds // 3600
    minutos = (diferenca_horas.seconds // 60) % 60
    mensagem = f"A diferença de horas é: {horas} horas e {minutos} minutos."
    resultado.set(mensagem)


titulo = Label(text="Diferença entre horas",
               font=("Arial", "20", "bold"),bg="#d9ead3",fg="#bf9000")
titulo.place(relx=0.15, rely=0.05)
texto_sub1  = Label(text="Hora Inicial (h:min):",
                    font=("Arial", "12", "bold"),bg="#d9ead3",fg="#bf9000")
texto_sub1.place(relx=0.25, rely=0.25)

texto_sub2 = Label(text="Hora Final(h:min):",
                    font=("Arial", "12", "bold"),bg="#d9ead3",fg="#bf9000")
texto_sub2.place(relx=0.25, rely=0.45)
Hora_Inicial = StringVar()
Hora_Inicial_entrada = Entry(textvariable=Hora_Inicial,
                             font=("Arial", "12", "bold"),
                             bg="white", fg="blue", justify='center')
Hora_Inicial_entrada.place(relx=0.55, rely=0.25, relwidth=0.3)
Hora_final = StringVar()
Hora_final_entrada = Entry(textvariable=Hora_final,
                             font=("Arial", "12", "bold"),
                             bg="white", fg="blue", justify='center')
Hora_final_entrada.place(relx=0.55, rely=0.45, relwidth=0.3)
#
but1 = Button(text="Verificar", bd=2, bg='#107db2', fg='white',
              font=('verdana', 12, 'bold'), command=app)
but1.place(relx=0.05, rely=0.55, relwidth=0.25, relheight=0.1)
but_limpar = Button(text="Limpar", bd=2, bg='#107db2', fg='white',
                    font=('verdana', 12, 'bold'), command=limpar)
but_limpar.place(relx=0.35, rely=0.55, relwidth=0.25, relheight=0.1)

but_sair = Button(text="Sair", bd=2, bg='#107db2', fg='white',
                    font=('verdana', 12, 'bold'), command=root.destroy)
but_sair.place(relx=0.65, rely=0.55, relwidth=0.25, relheight=0.1)
resultado = StringVar()
resultado_texto = Label(textvariable=resultado,
                           font=("Arial", 12, "bold"), bg="#cfe2f3")
resultado_texto.place(relx=0.05, rely=0.75, relwidth=0.9,relheight=0.15)
root.mainloop()