AutoLogWindows.py

import time
import json
import threading
import tkinter as tk
from datetime import datetime
import win32gui
import queue

json_filename = 'event_log.json'

def get_active_window_title():
    hwnd = win32gui.GetForegroundWindow()
    if hwnd:
        return win32gui.GetWindowText(hwnd)
    return None

def monitor_window_switch(event_queue, stop_event):
    last_title = None
    while not stop_event.is_set():
        title = get_active_window_title()
        if title and title != last_title:
            now = time.time()
            print(f"[{datetime.fromtimestamp(now)}] 窗口切换: {title}")
            event_queue.put({"time": now, "title": title})
            last_title = title
        time.sleep(0.2)

def save_events_periodically(root, event_queue, data, stop_event):
    updated = False
    while not event_queue.empty():
        event = event_queue.get()
        data['events'].append(event)
        updated = True
    if updated:
        with open(json_filename, 'w', encoding='utf-8') as f:
            json.dump(data, f, indent=2)
    if not stop_event.is_set():
        root.after(200, save_events_periodically, root, event_queue, data, stop_event)

def on_key_press(event, stop_event, root):
    if event.keysym == 'Escape':
        print("检测到 ESC，准备退出程序...")
        stop_event.set()
        root.destroy()

def main():
    start_time = time.time()
    data = {
        "start_time": start_time,
        "events": []
    }
    with open(json_filename, 'w', encoding='utf-8') as f:
        json.dump(data, f, indent=2)

    event_queue = queue.Queue()
    stop_event = threading.Event()

    monitor_thread = threading.Thread(target=monitor_window_switch, args=(event_queue, stop_event), daemon=True)
    monitor_thread.start()

    root = tk.Tk()
    root.title("Python 程序窗口 - 按 ESC 退出")
    root.geometry("450x120")

    label = tk.Label(root, text="程序已启动，监听窗口切换中...\n按 ESC 键退出程序", font=("Arial", 12))
    label.pack(pady=30)

    root.bind('<Key>', lambda event: on_key_press(event, stop_event, root))

    root.after(200, save_events_periodically, root, event_queue, data, stop_event)

    root.mainloop()

if __name__ == '__main__':
    main()