python - Tkinter example for multiple frames, grid error -


i'm using below example, found on portal. , try add listbox. know can use pack, instead grid, pack quite messy, , grid can more specific.

 import tkinter tk  title_font = ("helvetica", 18, "bold")  class sampleapp(tk.tk):      def __init__(self, *args, **kwargs):         tk.tk.__init__(self, *args, **kwargs)          # container we'll stack bunch of frames         # on top of each other, 1 want visible         # raised above others         container = tk.frame(self)         container.pack(side="top", fill="both", expand=true)         container.grid_rowconfigure(0, weight=1)         container.grid_columnconfigure(0, weight=1)          self.frames = {}         f in (startpage, pageone, pagetwo):             frame = f(container, self)             self.frames[f] = frame             # put of pages in same location;             # 1 on top of stacking order             # 1 visible.             frame.grid(row=0, column=0, sticky="nsew")          self.show_frame(startpage)      def show_frame(self, c):         '''show frame given class'''         frame = self.frames[c]         frame.tkraise()    class startpage(tk.frame):      def __init__(self, parent, controller):         tk.frame.__init__(self, parent)         label = tk.label(self, text="this start page",  font=title_font)         label.pack(side="top", fill="x", pady=10)          button1 = tk.button(self, text="go page one",                             command=lambda: controller.show_frame(pageone))         button2 = tk.button(self, text="go page two",                             command=lambda: controller.show_frame(pagetwo))         button1.pack()         button2.pack()  class pageone(tk.frame):      def __init__(self, parent, controller):         tk.frame.__init__(self, parent)         label = tk.label(self, text="this page 1", font=title_font)         label.pack(side="top", fill="x", pady=10)         button = tk.button(self, text="go start page",                            command=lambda: controller.show_frame(startpage))         button.pack()  class pagetwo(tk.frame):      def __init__(self, parent, controller):         tk.frame.__init__(self, parent)         label = tk.label(self, text="this page 2", font=title_font)         label.pack(side="top", fill="x", pady=10)         button = tk.button(self, text="go start page",                            command=lambda: controller.show_frame(startpage))         button.pack()  if __name__ == "__main__":     app = sampleapp()     app.mainloop()

and example want add pagetwo class. don't want use .pack. 

    lbox = tk.listbox(self, height=10)     lbox.grid(column=0, row=0, padx=5)     s = ttk.scrollbar(self, orient="vertical", command=lbox.yview)     s.gird(column=1, row=1, sticky=("s","e"))

and getting error 

c:\python34\python.exe c:/users/mariusz/onedrive/projekty/python/himan/main.py traceback (most recent call last):   file "c:/users/mariusz/onedrive/projekty/python/himan/main.py", line 198, in <module>     app = himan()   file "c:/users/mariusz/onedrive/projekty/python/himan/main.py", line 44, in __init__     frame = f(container, self)   file "c:/users/mariusz/onedrive/projekty/python/himan/main.py", line 132, in __init__     lbox.grid(column=0, row=0, padx=5)   file "c:\python34\lib\tkinter\__init__.py", line 2057, in grid_configure     + self._options(cnf, kw)) _tkinter.tclerror: cannot use geometry manager grid inside .52613520.52708464 has slaves managed pack  process finished exit code 1

you cannot mix pack , grid within same container. possible mix them in different containers, i'd highly recommend staying only 1 of these geometry manager.

see question more help.


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