CONVERTION DE COULEUR RVB EN MILLION DE COULEUR.

from Tkinter import *

def evaluer(event):
    a=entree1.get()
    b=entree2.get()
    c=entree3.get()
    chaine.configure(text=str(int(a)+int(b)*256+int(c)*256**2))

fenetre=Tk()
fenetre.title("Couleur")
label1=Label(fenetre,text='ROUGE')
label2=Label(fenetre,text='VERT')
label3=Label(fenetre,text='BLEU')
entree1=Entry(fenetre,width=10)
entree2=Entry(fenetre,width=10)
entree3=Entry(fenetre,width=10)
entree1.insert(0,'0')
entree2.insert(0,'0')
entree3.insert(0,'0')
entree1.bind("<FocusOut>",evaluer)
entree2.bind("<FocusOut>",evaluer)
entree3.bind("<FocusOut>",evaluer)
bouton=Button(fenetre,text='Fermer',command=fenetre.quit)
entree1.bind("<Return>",evaluer)
entree2.bind("<Return>",evaluer)
entree3.bind("<Return>",evaluer)
chaine=Label(fenetre,width=20)
chaine.configure(bg='white',fg='red')

label1.grid(column=0,row=0,padx=5,pady=5,sticky=W)
label2.grid(column=0,row=1,padx=5,pady=5,sticky=W)
label3.grid(column=0,row=2,padx=5,pady=5,sticky=W)
entree1.grid(column=1,row=0,padx=5,pady=5)
entree2.grid(column=1,row=1,padx=5,pady=5)
entree3.grid(column=1,row=2,padx=5,pady=5)
bouton.grid(column=0,row=4,padx=5,pady=5,columnspan=2)
chaine.grid(column=0,row=3,padx=20,pady=20,columnspan=2)

fenetre.mainloop()

fenetre.destroy()