tkinter - w3toppers.com

Why is the command bound to a Button or event executed when declared?

Consider this code: b = Button(admin, text=”as”, command=button(‘hey’)) It does exactly the same as this: result = button(‘hey’) b = button(admin, text=”as”, command=result) Likewise, if you create a binding like this: listbox.bind(“<<ListboxSelect>>”, some_function()) … it’s the same as this: result = some_function() listbox.bind(“<<ListboxSelect>>”, result) The command option takes a reference to a function, which is … Read more

Tkinter Placing And Deleting A Label

In your code, the label is placed, and after 2 seconds it is destroyed. It is never actually shown in your window however as it is not updated. This is as when entering Tk’s mainloop, it updates the window in a loop, checking if changes have been made. In your case, you are preventing this … Read more

Python countdown clock with GUI [duplicate]

I’d recommend using generators to handle your for loop and will provide a minimal example but on StackOverflow no one is going to “write the actual timer and timer stopping part” (see What topics can I ask here) Note this is an example I had before this question was posted and thought it would be … Read more

How make a complete gui softwaree in a single windows in tkinter

To update without changing the window, you basically have to use the after method, if you use it the correct way, then it will be able update automatically. Here is an example: def someKindOfFunction(): #something happening there window.after(100,someKindOfFunction) someKindOfFunction() This way you will create a loop, you would then have to specify conditions for when … Read more

Use variable outside its function

because of global keyword, it is restricting the scope of the variable. Instead of global you can use self and define variable in def __init__() def __init__(self, parent, controller): self.selection_index = ‘0’ now, instead of using selection_index use self.selection_index

Print the result obtained from an external window but without opening the window (the selected checkboxes are automatically saved in the database)

These could work: when you did from windows_option import form You did not actually call it. Try adding this: from form import Option1 Instead of doing this: x = windows_option.Option1 Try to do this: x = form.Option1 As Option1 is inside form!!!

Celsius to Fahrenheit Converter GUI program python

The main problem is the lack of main(). You should add main() to the very end of your code. That said you really don’t need the main() function to begin with. You are trying to assign a string as a text-variable in the entry field and this wont do anything. If you wish to use … Read more

Tkinter programming 2

You forgot to use parent in widgets ie. Label(self, …) so automatically you put widgets into root (Main Window), not into self (Frame). And later you remove widgets from self but elements in root stays. from tkinter import * class Window(Frame): def __init__(self, master=None): Frame.__init__(self, master) self.init_window() def init_window(self): self.master.title(“SAMPLE”) self.pack(expand=1) l = Button(self, text=”Log … Read more

Python collapsible sidebar on tkinter [closed]

Here is a simple example of how to create a collapsible frame. You can use the same method to create a collapsible sidebar by putting all your sidebar stuff in the frame. import tkinter as tk class Example(tk.Tk): def __init__(self): super().__init__() self.geometry(‘300×100′) self.left_frame = tk.Frame(self) self.left_frame.grid(row=0, column=0, sticky=’nsew’) self.right_frame = tk.Frame(self) self.rowconfigure(0, weight=1) for i … Read more