x11 reparenting

x11.py

from Xlib import display, error
import pygame.display

def get_current_window():
	wminfo = pygame.display.get_wm_info()
	return wminfo.get('window', None)

def swallow(wid, x, y):
	handler = error.CatchError()
	
	parent = get_current_window()
	if not parent:
		logger.warning('no parent window')
		return False
	
	d = display.Display()
	w = d.create_resource_object('window', wid)
	if not w:
		logger.warning('no window found')
		return False
	
	atom = d.get_atom('_XEMBED_INFO')
	w.change_property(atom, atom, 32, [0, 1])
	w.change_attributes(override_redirect=True)
	d.sync()
	w.reparent(parent, x, y, onerror=handler)
	w.map(onerror=handler)
	d.sync()
	
	err = handler.get_error()
	if err:
		logger.error('X11 Error %d on resource %d, opcode %d %d' % (err.code, err.resource_id, err.major_opcode, err.minor_opcode))
		return False
	
	return True