example of moving button by dragging

move_widget_by_dragging.py

import tkinter


class MoveButtonByDragging(tkinter.Button):
    """
    button which can move by dragging
    """
    
    def __init__(self, root):
        super().__init__(
            root,
            text="Move by Drag!",
            bg="cyan",
            fg="black",
        )

        self.bind("<B1-Motion>", self.move_button)
    
    def move_button(self, event):
        x = self.winfo_x() + event.x
        y = self.winfo_y() + event.y
        self.place(x=x, y=y)

    def move_button2(self, event):
        x = self.winfo_x() + event.x - self.winfo_width() / 2
        y = self.winfo_y() + event.y - self.winfo_height() / 2
        self.place(x=x, y=y)


if __name__ == "__main__":
    root = tkinter.Tk()
    b = MoveButtonByDragging(root)
    b.place(x=0, y=0)
    root.mainloop()