Several pack() options for controlling layouts within a frame: side, fill, expand, anchor
from Tkinter import *
class MyApp:
def __init__(self, parent):
button_width = 6
button_padx = "2m"
button_pady = "1m"
buttons_frame_padx = "3m"
buttons_frame_pady = "2m"
buttons_frame_ipadx = "3m"
buttons_frame_ipady = "1m"
self.button_name = StringVar()
self.button_name.set("C")
self.side_option = StringVar()
self.side_option.set(LEFT)
self.fill_option = StringVar()
self.fill_option.set(NONE)
self.expand_option = StringVar()
self.expand_option.set(YES)
self.anchor_option = StringVar()
self.anchor_option.set(CENTER)
self.myParent = parent
self.myParent.geometry("640x400")
self.myContainer1 = Frame(parent)
self.myContainer1.pack(expand=YES, fill=BOTH)
self.control_frame = Frame(self.myContainer1)
self.control_frame.pack(side=LEFT, expand=NO, padx=10, pady=5, ipadx=5, ipady=5)
myMessage="Demo"
Label(self.control_frame, text=myMessage, justify=LEFT).pack(side=TOP, anchor=W)
self.buttons_frame = Frame(self.control_frame)
self.buttons_frame.pack(side=TOP, expand=NO, fill=Y, ipadx=5, ipady=5)
self.demo_frame = Frame(self.myContainer1)
self.demo_frame.pack(side=RIGHT, expand=YES, fill=BOTH)
self.top_frame = Frame(self.demo_frame)
self.top_frame.pack(side=TOP, expand=YES, fill=BOTH)
self.bottom_frame = Frame(self.demo_frame,
borderwidth=5, relief=RIDGE,
height=50,
bg="cyan",
)
self.bottom_frame.pack(side=TOP, fill=X)
self.left_frame = Frame(self.top_frame,
background="red",
borderwidth=5,
relief=RIDGE,
width=50,
)
self.left_frame.pack(side=LEFT, expand=NO, fill=Y)
self.right_frame = Frame(self.top_frame,
background="tan",
borderwidth=5,
relief=RIDGE,
width=250
)
self.right_frame.pack(side=RIGHT, expand=YES, fill=BOTH)
button_names = ["A", "B", "C"]
side_options = [LEFT, TOP, RIGHT, BOTTOM]
fill_options = [X, Y, BOTH, NONE]
expand_options = [YES, NO]
anchor_options = [NW, N, NE, E, SE, S, SW, W, CENTER]
self.buttonA = Button(self.bottom_frame, text="A")
self.buttonA.pack()
self.buttonB = Button(self.left_frame, text="B")
self.buttonB.pack()
self.buttonC = Button(self.right_frame, text="C")
self.buttonC.pack()
self.button_with_name = {"A":self.buttonA, "B":self.buttonB, "C":self.buttonC}
self.button_names_frame = Frame(self.buttons_frame, borderwidth=5)
self.side_options_frame = Frame(self.buttons_frame, borderwidth=5)
self.fill_options_frame = Frame(self.buttons_frame, borderwidth=5)
self.expand_options_frame = Frame(self.buttons_frame, borderwidth=5)
self.anchor_options_frame = Frame(self.buttons_frame, borderwidth=5)
self.button_names_frame.pack( side=LEFT, expand=YES, fill=Y, anchor=N)
self.side_options_frame.pack( side=LEFT, expand=YES, anchor=N)
self.fill_options_frame.pack( side=LEFT, expand=YES, anchor=N)
self.expand_options_frame.pack(side=LEFT, expand=YES, anchor=N)
self.anchor_options_frame.pack(side=LEFT, expand=YES, anchor=N)
Label(self.button_names_frame, text="\nButton").pack()
Label(self.side_options_frame, text="Side\nOption").pack()
Label(self.fill_options_frame, text="Fill\nOption").pack()
Label(self.expand_options_frame, text="Expand\nOption").pack()
Label(self.anchor_options_frame, text="Anchor\nOption").pack()
for option in button_names:
button = Radiobutton(self.button_names_frame, text=str(option), indicatoron=1,
value=option, command=self.button_refresh, variable=self.button_name)
button["width"] = button_width
button.pack(side=TOP)
for option in side_options:
button = Radiobutton(self.side_options_frame, text=str(option), indicatoron=0,
value=option, command=self.demo_update, variable=self.side_option)
button["width"] = button_width
button.pack(side=TOP)
for option in fill_options:
button = Radiobutton(self.fill_options_frame, text=str(option), indicatoron=0,
value=option, command=self.demo_update, variable=self.fill_option)
button["width"] = button_width
button.pack(side=TOP)
for option in expand_options:
button = Radiobutton(self.expand_options_frame, text=str(option), indicatoron=0,
value=option, command=self.demo_update, variable=self.expand_option)
button["width"] = button_width
button.pack(side=TOP)
for option in anchor_options:
button = Radiobutton(self.anchor_options_frame, text=str(option), indicatoron=0,
value=option, command=self.demo_update, variable=self.anchor_option)
button["width"] = button_width
button.pack(side=TOP)
self.cancelButtonFrame = Frame(self.button_names_frame)
self.cancelButtonFrame.pack(side=BOTTOM, expand=YES, anchor=SW)
self.cancelButton = Button(self.cancelButtonFrame,
text="Cancel", background="red",
width=button_width,
padx=button_padx,
pady=button_pady
)
self.cancelButton.pack(side=BOTTOM, anchor=S)
self.cancelButton.bind("<Button-1>", self.cancelButtonClick)
self.cancelButton.bind("<Return>", self.cancelButtonClick)
self.demo_update()
def button_refresh(self):
button = self.button_with_name[self.button_name.get()]
properties = button.pack_info()
self.fill_option.set ( properties["fill"] )
self.side_option.set ( properties["side"] )
self.expand_option.set( properties["expand"] )
self.anchor_option.set( properties["anchor"] )
def demo_update(self):
button = self.button_with_name[self.button_name.get()]
button.pack(fill=self.fill_option.get()
, side=self.side_option.get()
, expand=self.expand_option.get()
, anchor=self.anchor_option.get()
)
def cancelButtonClick(self, event):
self.myParent.destroy()
root = Tk()
myapp = MyApp(root)
root.mainloop()
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