Before actually using GUI dialogues, consider using console prompts. Quite often you can get away with simple “y/n?” prompts, which in bash you achieve via the read command.. read -p “Do something? “; if [ $REPLY == “y” ]; then echo yay; fi If console prompt’s just won’t cut it, Zenity is really easy to … Read more
The missing of public method like loop.run_once() is intentional. Not every supported event loop has a method to iterate one step. Often underlying API has methods for creating event loop and running it forever but emulating single step may be very ineffective. If you really need it you may implement single-step iteration easy: import asyncio … Read more
There is an example in the source code of CPython of how to fill a Treeview recursively with the content of a directory, this is basically how it works (I have removed the event bindings and wrapped it in a class for better readability): import os import tkinter as tk import tkinter.ttk as ttk class … Read more
In the case of the second set of radiobuttons, they are being rendered in “tri-state mode”. According to the official documentation1: If the variable’s value matches the tristateValue, then the radiobutton is drawn using the tri-state mode. This mode is used to indicate mixed or multiple values. Explanation The default for tristatevalue is the empty … Read more
The problem is, the window is resizable, but when you turn on overrideredirect you lose any sort of header or edge that you can grab in order to resize the window. The only solution is to implement resizing yourself. You can add your own borders, or add mouse bindings that work when the mouse is … Read more
Your code seems right, this is running for me on Windows 7 (Python 3.6): from tkinter import * root = Tk() canv = Canvas(root, width=80, height=80, bg=’white’) canv.grid(row=2, column=3) img = PhotoImage(file=”bll.jpg”) canv.create_image(20,20, anchor=NW, image=img) mainloop() resulting in this tkinter GUI: with this image as bll.jpg: (imgur converted it to bll.png but this is working … Read more
PIL is now replaced by Pillow http://pillow.readthedocs.io/en/3.2.x/ solution: from Tkinter import * import PIL.Image import PIL.ImageTk root = Toplevel() im = PIL.Image.open(“photo.png”) photo = PIL.ImageTk.PhotoImage(im) label = Label(root, image=photo) label.image = photo # keep a reference! label.pack() root.mainloop() If PIL could not be found in code, you do need a pillow install: pip install pillow
Basic knowlege about tkinters geometry management The geometry management of tkinter is characterized by this Quote here: By default a top-level window appears on the screen in its natural size, which is the one determined internally by its widgets and geometry managers. Toplevels Your Toplevel is the first question you should have to answer with: … Read more