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74 lines
1.8 KiB
74 lines
1.8 KiB
import tkinter as tk
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from tkinter import messagebox
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from expression import npi2tree
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def ajouter(val):
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entree.insert(tk.END, val + " ")
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def calculer():
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try:
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texte = entree.get()
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liste = texte.split()
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arbre = npi2tree(liste)
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resultat.config(text="Résultat : " + str(arbre.evalue()))
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except:
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messagebox.showerror("Erreur", "Expression invalide")
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def effacer():
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entree.delete(0, tk.END)
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resultat.config(text="")
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fenetre = tk.Tk()
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fenetre.title("Calculatrice NPI")
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fenetre.geometry("500x600")
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entree = tk.Entry(fenetre, width=35, font=("Arial", 18))
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entree.pack(pady=20)
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frame = tk.Frame(fenetre)
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frame.pack()
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chiffres = ["7", "8", "9",
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"4", "5", "6",
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"1", "2", "3",
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"0"]
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i = 0
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for c in chiffres:
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b = tk.Button(frame,
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text=c,
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width=6,
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height=2,
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font=("Arial", 16),
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command=lambda x=c: ajouter(x))
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b.grid(row=i//3, column=i%3, padx=5, pady=5)
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i += 1
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plus = tk.Button(frame, text="+", width=6, height=2,
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font=("Arial", 16),
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command=lambda: ajouter("+"))
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plus.grid(row=0, column=3, padx=5, pady=5)
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fois = tk.Button(frame, text="*", width=6, height=2,
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font=("Arial", 16),
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command=lambda: ajouter("*"))
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fois.grid(row=1, column=3, padx=5, pady=5)
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btn_calc = tk.Button(fenetre, text="Calculer",
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font=("Arial", 16), height=2,
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command=calculer)
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btn_calc.pack(pady=10)
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btn_clear = tk.Button(fenetre, text="Effacer",
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font=("Arial", 16), height=2,
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command=effacer)
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btn_clear.pack(pady=5)
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resultat = tk.Label(fenetre, text="", font=("Arial", 16), fg="red")
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resultat.pack(pady=20)
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fenetre.mainloop()
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