diff -ur v10/snddiv_gui.py v11/snddiv_gui.py
--- v10/snddiv_gui.py	2020-02-01 12:37:41.000000000 +0900
+++ v11/snddiv_gui.py	2020-05-30 17:44:48.000000000 +0900
@@ -1,42 +1,23 @@
 #!/usr/bin/env python
 
 import sys
-import threading
 from decimal import Decimal
 import wx
+
+import empty
 import thr
 import io_ut
+import wx_ut
 import dbg
 
-def wrap( lsts, border=4 ):
-	vsz = wx.BoxSizer(wx.VERTICAL)
-	for lst in lsts:
-		hsz = wx.BoxSizer(wx.HORIZONTAL)
-		for o in lst:
-			flag = wx.LEFT | ( wx.RIGHT if o == lst[-1] else 0 )
-			flag |= wx.ALIGN_CENTER_VERTICAL
-			hsz.Add(o, 0, flag, border)
-		flag = wx.TOP | ( wx.BOTTOM if lst == lsts[-1] else 0 )
-		vsz.Add( hsz, 0, flag, border )
-	return vsz
-
-def set_min_w(o, w):
-	o.SetMinSize((w, -1))
-
-cls_evt_dic = {
-	wx.Button: wx.EVT_BUTTON,
-	wx.ToggleButton: wx.EVT_TOGGLEBUTTON,
-	wx.CheckBox: wx.EVT_CHECKBOX,
-	wx.Choice: wx.EVT_CHOICE,
-}
 
-def init(app, title):
+def init(wxo):
 	rdr = io_ut.reader_new( sys.stdin, 1, no_buf=True )
 
-	lock = threading.Lock()
+	lock = thr.lock_new()
 
 	def comm(cmd, rep_func=None):
-		lock.acquire()
+		lock.on()
 		if cmd:
 			dbg.out(cmd)
 		rep = None
@@ -45,7 +26,7 @@
 				rep = rep_func()
 				if rep == '':
 					break
-		lock.release()
+		lock.off()
 		return rep
 
 	while True:
@@ -55,50 +36,26 @@
 		if not s:
 			sys.exit(1)
 
-	frame = wx.Frame(None, wx.ID_ANY, title)
-
-	obj_cls_dic = {}
-	def wx_new(cls, *args, **kwds):
-		(k, w) = ('min_w', -1)
-		if k in kwds:
-			w = kwds.pop(k)
-		o = cls( frame, wx.ID_ANY, *args, **kwds )
-		if w != -1:
-			set_min_w(o, w)
-		obj_cls_dic[o] = cls
-		return o
-
-	def bind_o(o, hdl):
-		cls = obj_cls_dic.get(o)
-		evt = cls_evt_dic.get(cls)
-		if evt:
-			frame.Bind(evt, hdl, o)
-
-	def bind_objs(objs, hdl):
-		for o in objs:
-			bind_o(o, hdl)
 
 	play_lbs = ( ' Play |>', ' Play <|', 'Pause ||' )
-	btn_play = wx_new( wx.ToggleButton, play_lbs[0], min_w=104 )
+	btn_play = wxo.toggle_new( play_lbs[ 0 ], min_w=104 )
 	lb_pause = play_lbs[-1]
 	is_play = lambda : btn_play.GetValue()
 
-	cbox_reverse = wx_new( wx.CheckBox, 'reverse' )
+	cbox_reverse = wxo.wx_new( wx.CheckBox, 'reverse' )
 	is_reverse = lambda : cbox_reverse.GetValue()
 
 	speed_lbs = ('x4', 'x2', 'x1', 'x0.5')
-	menu_speed = wx_new( wx.Choice, choices=speed_lbs )
-	#menu_speed.SetSelection(2)
-	menu_speed.SetStringSelection('x1')
 	shifts = (2, 1, 0, -1)
+	menu_speed = wxo.menu_new( speed_lbs, None, 'x1', shifts )
 	get_shift = lambda : shifts[ menu_speed.GetSelection() ]
 
-	btn_rw = wx_new( wx.Button, '<<', min_w=50 )
-	btn_ff = wx_new( wx.Button, '>>', min_w=50 )
+	btn_rw = wxo.wx_new( wx.Button, '<<', min_w=50 )
+	btn_ff = wxo.wx_new( wx.Button, '>>', min_w=50 )
 
-	btn_div = wx_new( wx.Button, '', min_w=50 )
+	btn_div = wxo.wx_new( wx.Button, '', min_w=50 )
 	btn_div.Enable(False)
-	area = wx_new( wx.StaticText, '-/-', min_w=50 )
+	area = wxo.label_new( '-/-', min_w=50 )
 
 	def div_update():
 		cmd = 'dbg.out( snd.div_join_label() )'
@@ -112,14 +69,14 @@
 		s = comm(cmd, rdr.readline).strip()
 		area.SetLabel(s)
 
-	pos = wx_new( wx.StaticText, '-', min_w=50 )
+	pos = wxo.label_new( '-', min_w=50 )
 	def pos_update():
 		cmd = 'dbg.out("{}".format( snd.get_sec() ) )'
 		s = comm(cmd, rdr.readline).strip()
 		s = str( Decimal(s).quantize( Decimal('.01') ) )
 		wx.CallAfter( pos.SetLabel, s )
 
-	btn_save = wx_new( wx.Button, 'save', min_w=50 )
+	btn_save = wxo.wx_new( wx.Button, 'save', min_w=50 )
 
 	def save():
 		dlg = wx.FileDialog( frame, style=wx.FD_SAVE )
@@ -141,7 +98,7 @@
 		frame.Enable(False)
 		wx.CallAfter(do_save)
 
-	pos_ev = threading.Event()
+	pos_ev = thr.event_new()
 	def th_func():
 		tmout = 0.2 if is_play() else None
 		pos_ev.wait(tmout)
@@ -161,8 +118,8 @@
 		lb = lb_pause if is_play() else play_lbs[ 1 if is_reverse() else 0 ]
 		btn_play.SetLabel(lb)
 
-	def hdl(evt):
-		o = evt.GetEventObject()
+	def hdl(inf):
+		o = inf.o
 		if o in ( btn_play, cbox_reverse ):
 			lb_update()
 		s = ''
@@ -190,37 +147,31 @@
 			wx.CallAfter( div_update )
 			wx.CallAfter( area_update )
 
-	def quit_hdl(evt):
-		dbg.err('quit')
-		th_stop()
-		wx.Exit()
-
-	objs = (
+	objs = [
 		btn_rw, btn_play, btn_ff,
 		cbox_reverse, menu_speed,
 		btn_div, btn_save,
-	)
-	bind_objs(objs, hdl)
-	frame.Bind( wx.EVT_CLOSE, quit_hdl )
-
-	szr = wrap( [
-		(btn_rw, btn_play, btn_ff),
-		(cbox_reverse, menu_speed),
-		(pos, btn_div, area, btn_save),
-	] )
-	frame.SetSizer(szr)
-	frame.Layout()
-	frame.Fit()
-	app.SetTopWindow(frame)
-	frame.Show()
-
-def wx_run(title=''):
-	class MyApp(wx.App):
-		def OnInit(self):
-			init(self, title)
-			return 1
-	MyApp(0).MainLoop()
+	]
+
+	wxo.bind( objs, hdl )
+
+	wp = wxo.wp
+	lsts = [
+		wp( [ wp( btn_rw ), wp( btn_play ), wp( btn_ff ) ] ),
+		wp( [ wp( cbox_reverse ), wp( menu_speed ) ] ),
+		wp( [ wp( pos ), wp( btn_div ), wp( area ), wp( btn_save ) ] ),
+	]
+	wxo.wrap( wxo.frame, lsts )
+
+	wxo.L = empty.new( locals() )
+
+def fini(wxo):
+	wxo.L.th_stop()
+
+def run():
+	wxo = wx_ut.new( 'snd', init, fini )
+	wxo.main_loop()
 
 if __name__ == "__main__":
-	wx_run('snd')
+	run()
 # EOF