MAB 225 - Computação II - Fabio Mascarenhas

Interfaces Gráficas I (31/05/2011)

Label e botão:

from Tkinter import *

f = Frame()

msg = Label(f)
f["text"] = "Oi Pessoal"
msg.pack()

bye = Button(f)
bye["text"] = "Tchau"
bye["command"] = f.quit
bye.pack()

f.pack()

mainloop()

Label com decorações:

from Tkinter import *

app = Frame()

rotulo = Label (app) 
rotulo["text"] = "Rotulo Exemplo"
rotulo["relief"] = "ridge"
rotulo["font"] = "Arial 24 bold"
rotulo["background"] = "yellow"
rotulo["foreground"] = "blue"
rotulo["border"] = 5
rotulo.pack()

app.pack()

mainloop()

Frames, labels e botão com comando:

from Tkinter import *

frame1 = Frame()
frame2 = Frame()

frame1.master.geometry("200x200+100+100")

def bot1():
    frame1.pack_forget()
    frame2.pack()

a = Button(frame1, text="A")
a.pack(side="left")
b = Button(frame1, text="B")
b.pack(side="bottom")
c = Button(frame1, text="C")
c.pack(side="right")
d = Button(frame1, text="D")
d["command"] = bot1
d.pack(side="top")

for bot in [a,b,c,d]:
    bot["font"] = "Times 24 bold"

frame1.pack()

rotulo = Label (frame2) 
rotulo["text"] = "Rotulo Exemplo"
rotulo["relief"] = "ridge"
rotulo["font"] = "Arial 24 bold"
rotulo["background"] = "yellow"
rotulo["foreground"] = "blue"
rotulo["border"] = 5
rotulo.pack()

mainloop()

Layout mais complexo, usando diversos frames e várias opções pro pack:

from Tkinter import *

f = Frame()
ls = []
ts = []
fs = []

n = 3

f.master.title("Minha app Tkinter")

f.pack()

texto = ["OI %i"]

for i in range(n):
    fs.append(Frame(f))
    ls.append(Label(fs[i]))
    ts.append(Entry(fs[i]))
    ts[i]["width"] = 20
    ts[i]["font"] = "Arial 20"
    ls[i]["text"] = texto[0] % i
    ls[i]["foreground"] = "white"
    ls[i]["background"] = "black"
    ls[i]["font"] = "Arial 20"

def func():
    if texto[0] == "OI %i":
        texto[0] = "Subi no onibus em marrocos %i"
    else:
        texto[0] = "OI %i"
    for i in range(n):
        ls[i]["text"] = texto[0] % i
        print ts[i].get()

fb = Frame(f)
fb1 = Frame(fb)
fb2 = Frame(fb)

b2 = Button(fb2)
b2["text"] = "Fechar"
b2["font"] = "Arial 20"
b2["command"] = f.quit
b2.pack()

b1 = Button(fb1)
b1["text"] = "Muda"
b1["font"] = "Arial 20"
b1["command"] = func
b1.pack()

fb2.pack(side="left", expand = 1)
fb1.pack(side="left", expand = 1)

for i in range(n-1, -1, -1):
    ls[i].pack(side="left")
    ts[i].pack(side="left")
    fs[i].pack()

fb.pack(fill=X)

mainloop()