Get other running processes window sizes in Python

Question

This isn\'t as malicious as it sounds, I want to get the current size of their windows, not look at what is in them. The purpose is to figure out that if every other window

Answer 1

I'm a big fan of AutoIt. They have a COM version which allows you to use most of their functions from Python.

import win32com.client
oAutoItX = win32com.client.Dispatch( "AutoItX3.Control" )

oAutoItX.Opt("WinTitleMatchMode", 2) #Match text anywhere in a window title

width = oAutoItX.WinGetClientSizeWidth("Firefox")
height = oAutoItX.WinGetClientSizeHeight("Firefox")

print width, height

Answer 2

I updated the GREAT @DZinX code adding the title/text of the windows:

import win32con
import win32gui

def isRealWindow(hWnd):
    #'''Return True iff given window is a real Windows application window.'''
    if not win32gui.IsWindowVisible(hWnd):
        return False
    if win32gui.GetParent(hWnd) != 0:
        return False
    hasNoOwner = win32gui.GetWindow(hWnd, win32con.GW_OWNER) == 0
lExStyle = win32gui.GetWindowLong(hWnd, win32con.GWL_EXSTYLE)
if (((lExStyle & win32con.WS_EX_TOOLWINDOW) == 0 and hasNoOwner)
  or ((lExStyle & win32con.WS_EX_APPWINDOW != 0) and not hasNoOwner)):
    if win32gui.GetWindowText(hWnd):
        return True
return False

def getWindowSizes():

Return a list of tuples (handler, (width, height)) for each real window.
'''
def callback(hWnd, windows):
    if not isRealWindow(hWnd):
        return
    rect = win32gui.GetWindowRect(hWnd)
    text = win32gui.GetWindowText(hWnd)
    windows.append((hWnd, (rect[2] - rect[0], rect[3] - rect[1]), text ))
windows = []
win32gui.EnumWindows(callback, windows)
return windows

for win in getWindowSizes():
print(win)

Answer 3

Using hints from WindowMover article and Nattee Niparnan's blog post I managed to create this:

import win32con
import win32gui

def isRealWindow(hWnd):
    '''Return True iff given window is a real Windows application window.'''
    if not win32gui.IsWindowVisible(hWnd):
        return False
    if win32gui.GetParent(hWnd) != 0:
        return False
    hasNoOwner = win32gui.GetWindow(hWnd, win32con.GW_OWNER) == 0
    lExStyle = win32gui.GetWindowLong(hWnd, win32con.GWL_EXSTYLE)
    if (((lExStyle & win32con.WS_EX_TOOLWINDOW) == 0 and hasNoOwner)
      or ((lExStyle & win32con.WS_EX_APPWINDOW != 0) and not hasNoOwner)):
        if win32gui.GetWindowText(hWnd):
            return True
    return False

def getWindowSizes():
    '''
    Return a list of tuples (handler, (width, height)) for each real window.
    '''
    def callback(hWnd, windows):
        if not isRealWindow(hWnd):
            return
        rect = win32gui.GetWindowRect(hWnd)
        windows.append((hWnd, (rect[2] - rect[0], rect[3] - rect[1])))
    windows = []
    win32gui.EnumWindows(callback, windows)
    return windows

for win in getWindowSizes():
    print win

You need the Win32 Extensions for Python module for this to work.

EDIT: I discovered that GetWindowRect gives more correct results than GetClientRect. Source has been updated.

Answer 4

Check out the win32gui module in the Windows extensions for Python. It may provide some of the functionality you're looking for.