def start_drag(c):
    pass
#    c.x = 0

def start_sweep(c):
    pass
#    c.width = 100
#    return False

def stop_action(c):
    print c.name

import mwm
mwm.run()
mwm.set_drag_start_hook(start_drag)
mwm.set_drag_end_hook(stop_action)
mwm.set_sweep_start_hook(start_sweep)
mwm.set_sweep_end_hook(stop_action)

def h():
    print 'hide'
    mwm.focused().hide()

def s():
    print 'show'
    mwm.focused().show()


def active(c):
    for w in mwm.list():
        w.unset_grab_button_mask()
    print 'hop'
    c.show()
    c.focus()
    c.set_grab_button_mask()

mwm.set_mouse_button1_hook(active)
mwm.grab_keys([(49, 12, h), (50, 12, s)])

#tutorial:
#mwm.list() -> all active clients
#mwm.grab_keys -> ...
#mwm.focused() -> returns active client

#available mathodes on Client object
#client.show()
#client.hide()
#client.focus()