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Commit	Line	Data
	1	#!/usr/bin/env python
	2	#---------------------------------------------------------------------------
	3	"""
	4	This demo attempts to override the C++ MainLoop and implement it
	5	in Python. This is not part of the demo framework.
	6
	7
	8	THIS FEATURE IS STILL EXPERIMENTAL...
	9	"""
	10
	11
	12	from wxPython.wx import *
	13	import time
	14
	15
	16	#---------------------------------------------------------------------------
	17
	18	class MyFrame(wxFrame):
	19
	20	def __init__(self, parent, id, title):
	21	wxFrame.__init__(self, parent, id, title,
	22	wxPoint(100, 100), wxSize(160, 150))
	23
	24	EVT_SIZE(self, self.OnSize)
	25	EVT_MOVE(self, self.OnMove)
	26	EVT_CLOSE(self, self.OnCloseWindow)
	27	EVT_IDLE(self, self.OnIdle)
	28
	29	self.count = 0
	30
	31	panel = wxPanel(self, -1)
	32	wxStaticText(panel, -1, "Size:",
	33	wxDLG_PNT(panel, wxPoint(4, 4)), wxDefaultSize)
	34	wxStaticText(panel, -1, "Pos:",
	35	wxDLG_PNT(panel, wxPoint(4, 16)), wxDefaultSize)
	36
	37	wxStaticText(panel, -1, "Idle:",
	38	wxDLG_PNT(panel, wxPoint(4, 28)), wxDefaultSize)
	39
	40	self.sizeCtrl = wxTextCtrl(panel, -1, "",
	41	wxDLG_PNT(panel, wxPoint(24, 4)),
	42	wxDLG_SZE(panel, wxSize(36, -1)),
	43	wxTE_READONLY)
	44
	45	self.posCtrl = wxTextCtrl(panel, -1, "",
	46	wxDLG_PNT(panel, wxPoint(24, 16)),
	47	wxDLG_SZE(panel, wxSize(36, -1)),
	48	wxTE_READONLY)
	49
	50	self.idleCtrl = wxTextCtrl(panel, -1, "",
	51	wxDLG_PNT(panel, wxPoint(24, 28)),
	52	wxDLG_SZE(panel, wxSize(36, -1)),
	53	wxTE_READONLY)
	54
	55
	56	def OnCloseWindow(self, event):
	57	app.keepGoing = false
	58	self.Destroy()
	59
	60	def OnIdle(self, event):
	61	self.idleCtrl.SetValue(str(self.count))
	62	self.count = self.count + 1
	63
	64	def OnSize(self, event):
	65	size = event.GetSize()
	66	self.sizeCtrl.SetValue("%s, %s" % (size.width, size.height))
	67	event.Skip()
	68
	69	def OnMove(self, event):
	70	pos = event.GetPosition()
	71	self.posCtrl.SetValue("%s, %s" % (pos.x, pos.y))
	72
	73
	74
	75	#---------------------------------------------------------------------------
	76
	77	class MyApp(wxApp):
	78	def MainLoop(self):
	79	# This outer loop determines when to exit the application, for
	80	# this example we let the main frame reset this flag when it
	81	# closes.
	82	while self.keepGoing:
	83	# At this point in the outer loop you could do whatever you
	84	# implemented your own MainLoop for. It should be quick and
	85	# non-blocking, otherwise your GUI will freeze. For example,
	86	# call Fnorb's reactor.do_one_event(0), etc.
	87
	88	# call_your_code_here()
	89
	90
	91	# This inner loop will process any GUI events until there
	92	# are no more waiting.
	93	while self.Pending():
	94	self.Dispatch()
	95
	96	# Send idle events to idle handlers. You may want to throtle
	97	# this back a bit so there is not too much CPU time spent in
	98	# the idle handlers. For this example, I'll just snooze a
	99	# little...
	100	time.sleep(0.25)
	101	self.ProcessIdle()
	102
	103
	104
	105	def OnInit(self):
	106	frame = MyFrame(None, -1, "This is a test")
	107	frame.Show(true)
	108	self.SetTopWindow(frame)
	109
	110	self.keepGoing = true
	111
	112	return true
	113
	114
	115	app = MyApp(0)
	116	app.MainLoop()
	117
	118
	119
	120
	121