window_vertical_toggler.pyw

"""
Maximize currently focused window to vertically half of the screen
Win+Pgup hotkey performs top-half maximization
Win+Pgdn hotkey performs bottom-half maximization

NOTE: This script requires keyboard and pywin32 packages

Tested on my Microsoft Windows 10 PC with dual-monitor
"""
import keyboard
import win32gui, win32con
import time
import os
import datetime
import traceback

def log(message):
    try:
        f = open(os.path.join(os.path.normpath(os.path.expanduser("~/Desktop")), "window_vertical_toggler.log"), "a")
        print("[{}] {}".format(datetime.datetime.now(), str(message)), file=f)
        f.close()
    except:
        pass

def maximize_focused_window(direction):
    try:
        window = win32gui.GetForegroundWindow()
        """
        Maximize & Restore focused window to detect current screen dimension
        """
        win32gui.ShowWindow(window, win32con.SW_MAXIMIZE)
        time.sleep(0.064)
        start_x, start_y, end_x, end_y = win32gui.GetWindowRect(window)
        win32gui.ShowWindow(window, win32con.SW_RESTORE)
        time.sleep(0.032)
        monitor_width = end_x - start_x
        monitor_height = end_y - start_y
        """
        Move focused window to desired position
        """
        if direction == "top":
            win32gui.MoveWindow(window, start_x, start_y, monitor_width, monitor_height // 2, True)
        elif direction == "bottom":
            win32gui.MoveWindow(window, start_x, start_y + monitor_height // 2, monitor_width, monitor_height // 2, True)
    except Exception as e:
        log(traceback.format_exc())

try:
    log("Window Vertical Toggler Started")
    keyboard.add_hotkey("win+pgup", lambda: maximize_focused_window("top"))
    keyboard.add_hotkey("win+pgdown", lambda: maximize_focused_window("bottom"))
    keyboard.wait()
except Exception as e:
    log(traceback.format_exc())