Mega Code Archive

 

Categories / Python / GUI Tk

 

Several pack() options for controlling layouts within a frame

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()