Using drag and drop files or file picker with CustomTkinter

Question

I have recently decided to start learning Python and while doing several small projects as a hands-on approach, i discovered the customtkinter library (https://github.com/TomSchimansky/CustomTkinter) for more modern looking GUI development with Python.

I wanted to do something which either requires a drag-and-drop component for files or a file picker dialogue, which is seemingly somewhat present for the original tkinter library with the tkinterdnd2 module, but it doesn’t seem to be directly mentioned in the documentation for the customtkinter library wrapper.

Does anyone know how to use drag-and-drop for files with customtkinter specifically?

If there is no direct wrapper with customtkinter, is there a way to apply the styles of customtkinter to the tkinderdnd2 module? When using it like this, obviously it just uses the default tkinter style:

from tkinter import TOP, Entry, Label, StringVar
from tkinterdnd2 import *

def get_path(event):
    pathLabel.configure(text = event.data)

root = TkinterDnD.Tk()
root.geometry("350x100")
root.title("Get file path")

nameVar = StringVar()

entryWidget = Entry(root)
entryWidget.pack(side=TOP, padx=5, pady=5)

pathLabel = Label(root, text="Drag and drop file in the entry box")
pathLabel.pack(side=TOP)

entryWidget.drop_target_register(DND_ALL)
entryWidget.dnd_bind("<<Drop>>", get_path)

root.mainloop()

Asked By: Furious Gamer

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Source

Answer 1

If you look into the source code of TkinterDnD:

class Tk(tkinter.Tk, DnDWrapper):
    '''Creates a new instance of a tkinter.Tk() window; all methods of the
    DnDWrapper class apply to this window and all its descendants.'''
    def __init__(self, *args, **kw):
        tkinter.Tk.__init__(self, *args, **kw)
        self.TkdndVersion = _require(self)

You can create another custom class using customtkinter.CTk instead of tkinter.Tk:

from tkinter import StringVar, TOP
from tkinterdnd2 import TkinterDnD, DND_ALL
import customtkinter as ctk

class Tk(ctk.CTk, TkinterDnD.DnDWrapper):
    def __init__(self, *args, **kwargs):
        super().__init__(*args, **kwargs)
        self.TkdndVersion = TkinterDnD._require(self)

ctk.set_appearance_mode("dark")
#ctk.set_default_color_theme("blue")

def get_path(event):
    pathLabel.configure(text = event.data)

#root = TkinterDnD.Tk()
root = Tk()
root.geometry("350x100")
root.title("Get file path")

nameVar = StringVar()

entryWidget = ctk.CTkEntry(root)
entryWidget.pack(side=TOP, padx=5, pady=5)

pathLabel = ctk.CTkLabel(root, text="Drag and drop file in the entry box")
pathLabel.pack(side=TOP)

entryWidget.drop_target_register(DND_ALL)
entryWidget.dnd_bind("<<Drop>>", get_path)

root.mainloop()

Result:

Answered By: acw1668

Using drag and drop files or file picker with CustomTkinter

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