Added wxWakeUpMainThread, wxMutexGuiEnter, wxMutexGuiLeave,

wxMutexGuiLocker and wxThread_IsMain to assist with dealing with GUI
access from non-GUI threads.

wxPyOnDemandOutputWindow is now thread safe if non-GUI threads use
print, sys.stdout.write, etc.


git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@9590 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

wxPython/tests/alternateThread.py

@@ -0,0 +1,52 @@
+from time import sleep
+from threading import Thread
+
+def test_a_window():
+    print "starting window thread"
+
+    from wxPython.wx import *    # <-- the wxWin DLL is not loaded until here
+
+    app = wxPySimpleApp(1)
+    frame = wxFrame(None, -1, "Hello", size=(400,200))
+    frame.Show(true)
+    EVT_SIZE(frame, OnFrameSize)
+    app.MainLoop()
+    print "finishing window thread"
+
+def OnFrameSize(evt):
+    print evt.GetSize()
+
+
+
+keep_going = 1
+def counter():
+    print "starting counter thread"
+    count = 0
+    while keep_going:
+        sleep(1)
+        count += 1
+        print count
+    print "finishing counter thread"
+
+def main():
+    print "main startup"
+
+    ct = Thread(target=counter)
+    wt = Thread(target=test_a_window)
+
+    ct.start()
+    wt.start()
+    wt.join()
+
+    global keep_going
+    keep_going = 0
+
+    ct.join()
+
+    print "main finished"
+
+main()
+
+
+
+