Google Desktop replacement

pydesktopsearch.py

import ctypes
import keyboard
import tkinter as tk
import urllib.parse
import webbrowser
from threading import Thread


class Wnd:
    def __init__(self, hotkey_state):
        # Initialize members
        self.root = tk.Tk()
        self.hotkey_state = hotkey_state
        root = self.root
        self.entry = tk.Entry(root, width=30, font='Helvetica 26')
        entry = self.entry        
        entry.pack(padx=2, pady=2)

        # Setup layout
        root.wm_overrideredirect(True)
        root.update_idletasks()
        w = root.winfo_width()
        h = root.winfo_height()
        w0 = root.winfo_screenwidth()
        h0 = root.winfo_screenheight()
        root.attributes('-topmost', True)
        root.geometry('%dx%d+%d+%d' % (w, h, (w0-w)/2, (h0-h)/2))

        # Setup handlers
        root.bind('<Return>', self.search)
        root.bind('<Escape>', self.quit)

        # Force window to the foreground
        keyboard.send('alt', do_release=False)
        ctypes.windll.user32.SetForegroundWindow(root.winfo_id())        
        keyboard.send('alt', do_press=False)
        entry.focus_set()

        root.mainloop()
        
    def search(self, ev):
        text = self.entry.get()
        webbrowser.open('https://google.com/search?' + urllib.parse.urlencode({'q': text}))
        self.quit(None)

    def quit(self, ev):
        self.root.destroy()
        self.hotkey_state.window_visible = False


## This should work but meanwhile a workaround is used
# keyboard.add_hotkey('ctrl, ctrl', Wnd, suppress=True, trigger_on_release=True)

class HotkeyState:
    def __init__(self):
        self.window_visible = False
        self.time = 0

    def keyup(self, ev):
        if 'ctrl' in ev.name:
            if not self.window_visible:
                if ev.time - self.time < 0.5:
                    self.window_visible = True
                    Thread(target=Wnd, args=(self,)).start()
                else:
                    self.time = ev.time
        else:
            self.time = 0

listener = HotkeyState()
keyboard.on_release(listener.keyup)
keyboard.wait()