import tkinter as tk

class buttonfade(tk.Entry):
    def __init__(self, master=None, placeholder="Search Here", *args, **kwargs):
        super().__init__(master, *args, **kwargs)
        self.placeholder = placeholder
        self.insert(0, self.placeholder)
        self.config(fg="gray")
        self.bind('<FocusIn>', self.on_focus_in)
        self.bind('<FocusOut>', self.on_focus_out)
    
    def on_focus_in(self, event):
        if self.get() == self.placeholder:
            self.delete(0, tk.END)
            self.config(fg="black")

    def on_focus_out(self, event):
        if self.get() == "":
            self.insert(0, self.placeholder)
            self.config(fg="gray")