Mac - Memory Error with TextBoxes

[Kenneth Bongort]

Sorry it took so long in coming, but here's a pared-down script. The  
stack trace I get when I run it is pasted below.

Thanks!
Ken
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On Feb 26, 2008, at 4:06 PM, Robin Dunn wrote:

> Kenneth Bongort wrote:
>> Hello Everyone,
>> I'm using wxPython to create a GUI, but I'm running into an error  
>> that seems to stem from updating TextBoxes. My program rapidly  
>> updates several TextBoxes, and this error always occurs after some  
>> period of time. I suspect it's a problem in wxWidgets for the Mac.  
>> Does anyone know about this issue? I pasted a stack trace below.
>
> Can you reproduce the problem in a small runnable sample app?
>
> -- 
> Robin Dunn
> Software Craftsman
> http://wxPython.org  Java give you jitters?  Relax with wxPython!
>
>
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Program received signal EXC_BAD_ACCESS, Could not access memory.
Reason: KERN_PROTECTION_FAILURE at address: 0x00000016
0x90041214 in THIThemeTextInfoPublic::GetTruncation ()
(gdb) bt
#0  0x90041214 in THIThemeTextInfoPublic::GetTruncation ()
#1  0x900419c8 in TCoreTextEngine::GetTextInfoOutputParameters ()
#2  0x90046fbc in TCoreTextEngine::DrawThemeTextBox ()
#3  0x900467c4 in DataEngine::DrawTextBox ()
#4  0x90046574 in HIThemeDrawTextBox ()
#5  0x901fdc70 in HIMenuBarView::DrawTextTitle ()
#6  0x900456fc in HIMenuBarView::DrawSelf ()
#7  0x90044e5c in HIView::DrawCacheOrSelf ()
#8  0x90044c7c in HIView::SendDraw ()
#9  0x9004493c in HIView::RecursiveDrawComposited ()
#10 0x90044a3c in HIView::RecursiveDrawComposited ()
#11 0x90043be4 in HIView::DrawComposited ()
#12 0x90043104 in WindowData::PrepareForVisibility ()
#13 0x900427f0 in _ShowHideWindows ()
#14 0x900426cc in ShowHide ()
#15 0x90042630 in MBarDraw ()
#16 0x9002df68 in ShowBar ()
#17 0x9004ed68 in SetMenuBarObscured ()
#18 0x9004e7a8 in HIApplication::HandleActivated ()
#19 0x9004c85c in HIApplication::EventObserver ()
#20 0x90020528 in _NotifyEventLoopObservers ()
#21 0x9004c478 in AcquireEventFromQueue ()
#22 0x9004a160 in ReceiveNextEventCommon ()
#23 0x018c3b40 in wxApp::MacDoOneEvent ()
#24 0x018d9048 in wxEventLoop::Dispatch ()
#25 0x01980e84 in wxEventLoopManual::Run ()
#26 0x0195a2c8 in wxAppBase::MainLoop ()
#27 0x00a61a2c in wxPyApp::MainLoop (this=0x85e750) at src/helpers.cpp: 
156
#28 0x00aae204 in _wrap_PyApp_MainLoop (args=0x8eba10) at src/mac/ 
_core_wrap.cpp:30914
#29 0x003ed0e4 in PyObject_Call (func=0x8eba10, arg=0x8eba10, kw=0x0)  
at /Volumes/Data/Users/ronald/Projects/python/wrk/r251/Objects/ 
abstract.c:1860
#30 0x004925c8 in PyEval_EvalFrameEx (f=0x1720cce0,  
throwflag=55197296) at /Volumes/Data/Users/ronald/Projects/python/wrk/ 
r251/Python/ceval.c:3844
#31 0x00493e10 in PyEval_EvalCodeEx (co=0x955ec0, globals=0x8eba10,  
locals=0x90041210, args=0x34a3ddc, argcount=1, kws=0x0, kwcount=0,  
defs=0x0, defcount=0, closure=0x0) at /Volumes/Data/Users/ronald/ 
Projects/python/wrk/r251/Python/ceval.c:2831
#32 0x004171f8 in function_call (func=0xfd8c30, arg=0x34a3dd0, kw=0x0)  
at /Volumes/Data/Users/ronald/Projects/python/wrk/r251/Objects/ 
funcobject.c:517
#33 0x003ed0e4 in PyObject_Call (func=0x8eba10, arg=0x8eba10, kw=0x0)  
at /Volumes/Data/Users/ronald/Projects/python/wrk/r251/Objects/ 
abstract.c:1860
#34 0x003f7d6c in instancemethod_call (func=0x8eba10, arg=0x34a3dd0,  
kw=0x0) at /Volumes/Data/Users/ronald/Projects/python/wrk/r251/Objects/ 
classobject.c:2497
#35 0x003ed0e4 in PyObject_Call (func=0x8eba10, arg=0x8eba10, kw=0x0)  
at /Volumes/Data/Users/ronald/Projects/python/wrk/r251/Objects/ 
abstract.c:1860
#36 0x00491f94 in PyEval_EvalFrameEx (f=0x1720ca60,  
throwflag=55197136) at /Volumes/Data/Users/ronald/Projects/python/wrk/ 
r251/Python/ceval.c:3775
#37 0x00491e74 in PyEval_EvalFrameEx (f=0x80af40, throwflag=388024928)  
at /Volumes/Data/Users/ronald/Projects/python/wrk/r251/Python/ceval.c: 
3650
#38 0x00493e10 in PyEval_EvalCodeEx (co=0xa0770, globals=0x8eba10,  
locals=0x90041210, args=0x0, argcount=0, kws=0x0, kwcount=0, defs=0x0,  
defcount=0, closure=0x0) at /Volumes/Data/Users/ronald/Projects/python/ 
wrk/r251/Python/ceval.c:2831
#39 0x00493fb0 in PyEval_EvalCode (co=0x8eba10, globals=0x8eba10,  
locals=0x0) at /Volumes/Data/Users/ronald/Projects/python/wrk/r251/ 
Python/ceval.c:494
#40 0x004b9cbc in PyRun_FileExFlags (fp=0xa01d1dac,  
filename=0xbffff751 "logui/ErrorDemo.py", start=657264,  
globals=0x6dd20, locals=0x6dd20, closeit=1, flags=0xbffff488) at / 
Volumes/Data/Users/ronald/Projects/python/wrk/r251/Python/pythonrun.c: 
1271
#41 0x004b9f00 in PyRun_SimpleFileExFlags (fp=0xa01d1dac,  
filename=0xbffff751 "logui/ErrorDemo.py", closeit=1, flags=0xbffff488)  
at /Volumes/Data/Users/ronald/Projects/python/wrk/r251/Python/ 
pythonrun.c:877
#42 0x004c98bc in Py_Main (argc=2, argv=0xbffff61c) at /Volumes/Data/ 
Users/ronald/Projects/python/wrk/r251/Modules/main.c:523
#43 0x000019bc in ?? ()