screensaver.py

#!/usr/bin/env python3
"""
Cross-platform screensaver for OLED monitors.
Displays a full-screen black window and exits on any keypress or mouse click.
"""

import tkinter as tk

def main():
    root = tk.Tk()
    root.title("Screensaver")
    
    # Make the window full-screen
    root.attributes('-fullscreen', True)
    
    # Set background to black and hide the mouse cursor
    root.configure(bg='black')
    root.config(cursor="none")
    
    # Remove window decorations (borders, title bar)
    root.overrideredirect(True)
    
    # Bind event to exit the program
    def exit_program(event=None):
        root.quit()
    
    # Exit on any keypress or mouse button press
    root.bind('<Key>', exit_program)
    root.bind('<Button>', exit_program)
    
    # Start the main loop
    root.mainloop()

if __name__ == "__main__":
    main()