#!/usr/bin/env python #--------------------------------------------------------------------------- # 11/9/2003 - Jeff Grimmett (grimmtooth@softhome.net # # o Updated for V2.5 # o Mainloop is freezing up app. # """ This demo attempts to override the C++ MainLoop and implement it in Python. This is not part of the demo framework. THIS FEATURE IS STILL EXPERIMENTAL... """ import time import wx #--------------------------------------------------------------------------- class MyFrame(wx.Frame): def __init__(self, parent, id, title): wx.Frame.__init__(self, parent, id, title, (100, 100), (160, 150)) self.Bind(wx.EVT_SIZE, self.OnSize) self.Bind(wx.EVT_MOVE, self.OnMove) self.Bind(wx.EVT_CLOSE, self.OnCloseWindow) self.Bind(wx.EVT_IDLE, self.OnIdle) self.count = 0 panel = wx.Panel(self, -1) wx.StaticText(panel, -1, "Size:", wx.DLG_PNT(panel, (4, 4)), wx.DefaultSize) wx.StaticText(panel, -1, "Pos:", wx.DLG_PNT(panel, (4, 16)), wx.DefaultSize) wx.StaticText(panel, -1, "Idle:", wx.DLG_PNT(panel, (4, 28)), wx.DefaultSize) self.sizeCtrl = wx.TextCtrl(panel, -1, "", wx.DLG_PNT(panel, (24, 4)), wx.DLG_SZE(panel, (36, -1)), wx.TE_READONLY) self.posCtrl = wx.TextCtrl(panel, -1, "", wx.DLG_PNT(panel, (24, 16)), wx.DLG_SZE(panel, (36, -1)), wx.TE_READONLY) self.idleCtrl = wx.TextCtrl(panel, -1, "", wx.DLG_PNT(panel, (24, 28)), wx.DLG_SZE(panel, (36, -1)), wx.TE_READONLY) def OnCloseWindow(self, event): app.keepGoing = False self.Destroy() def OnIdle(self, event): self.idleCtrl.SetValue(str(self.count)) self.count = self.count + 1 def OnSize(self, event): size = event.GetSize() self.sizeCtrl.SetValue("%s, %s" % (size.width, size.height)) event.Skip() def OnMove(self, event): pos = event.GetPosition() self.posCtrl.SetValue("%s, %s" % (pos.x, pos.y)) #--------------------------------------------------------------------------- class MyApp(wx.App): def MainLoop(self): # This outer loop determines when to exit the application, for # this example we let the main frame reset this flag when it # closes. while self.keepGoing: # At this point in the outer loop you could do whatever you # implemented your own MainLoop for. It should be quick and # non-blocking, otherwise your GUI will freeze. For example, # call Fnorb's reactor.do_one_event(0), etc. # call_your_code_here() # This inner loop will process any GUI events until there # are no more waiting. while self.Pending(): self.Dispatch() # Send idle events to idle handlers. You may want to throttle # this back a bit so there is not too much CPU time spent in # the idle handlers. For this example, I'll just snooze a # little... time.sleep(0.25) self.ProcessIdle() def OnInit(self): frame = MyFrame(None, -1, "This is a test") frame.Show(True) self.SetTopWindow(frame) self.keepGoing = True return True app = MyApp(False) app.MainLoop()