[bug #17717] Use "open panel" twice make it unusable

[Yen-Ju Chen]

Follow-up Comment #10, bug #17717 (project gnustep):

Below is the backtrace. Hope it is the correct way to produce it.
What puzzles me is that it only happens to WindowMaker,
but not metacity.
I will try to produce it under metacity and see.
By the way, I wipe out everything and reinstall again.
I sill have this problem.

#0  0x0f66f154 in poll () from /lib/libc.so.6
#1  0x0f6f4510 in ?? () from /lib/libc.so.6
#2  0x0f9f534c in -[NSRunLoop acceptInputForMode:beforeDate:] (
    self=0x10187ac8, _cmd=0xfbd1904, mode=0xfbd1e48, limit_date=0x10206230)
    at NSRunLoop.m:973
#3  0x0f9f436c in -[NSRunLoop runMode:beforeDate:] (self=0x10187ac8,
    _cmd=0xfc02864, mode=0x0, date=0x10202ef8) at NSRunLoop.m:1045
#4  0x0fe9760c in -[GSDisplayServer(EventOps)
getEventMatchingMask:beforeDate:inMode:dequeue:] (self=0x10173b28,
_cmd=<value optimized out>, mask=4294967295,
    limit=0x10207608, mode=0x0, flag=0 '\000') at GSDisplayServer.m:917
#5  0x0ea878ac in -[XGServer(X11Ops)
getEventMatchingMask:beforeDate:inMode:dequeue:] () at XGServerEvent.m:2069
#6  0x0fd044e8 in -[NSApplication runModalForWindow:] (self=0x1015fcc0,
    _cmd=<value optimized out>, theWindow=0x1025a120) at
GSDisplayServer.h:187
#7  0x0fe095f4 in -[NSSavePanel runModalForDirectory:file:]
(self=0x1025a120,
    _cmd=<value optimized out>, path=0x0, filename=0xff82aa4)
    at NSSavePanel.m:999
#8  0x0fdd7a74 in -[NSOpenPanel runModalForDirectory:file:types:] (
    self=0x1025a120, _cmd=<value optimized out>, path=0x0, name=0xff82aa4,
    fileTypes=<value optimized out>) at NSOpenPanel.m:447
#9  0x0fdd7980 in -[NSOpenPanel runModalForTypes:] (self=0x1025a120,
    _cmd=<value optimized out>, fileTypes=0x10276820) at NSOpenPanel.m:430
#10 0x0fd755ec in -[NSDocumentController runModalOpenPanel:forTypes:] (
---Type <return> to continue, or q <return> to quit---
    self=<value optimized out>, _cmd=<value optimized out>,
    openPanel=0x1025a120, openableFileExtensions=0x10276820)
    at NSDocumentController.m:375
#11 0x0fd7589c in -[NSDocumentController fileNamesFromRunningOpenPanel] (
    self=0x102c99b8, _cmd=<value optimized out>) at
NSDocumentController.m:402
#12 0x0fd75bb4 in -[NSDocumentController openDocument:] (
    self=<value optimized out>, _cmd=<value optimized out>,
    sender=<value optimized out>) at NSDocumentController.m:448
#13 0x0f1d6a64 in __builtin_avcall () from /usr/lib/libavcall.so.0
#14 0x0fa64e28 in GSFFCallInvokeWithTargetAndImp (_inv=0x102c6158,
    anObject=0x3, imp=0x4dc7) at GSFFCallInvocation.m:636
#15 0x0fa66d0c in -[GSFFCallInvocation invokeWithTarget:] (self=0x102c6158,
    _cmd=0xff392dc, anObject=0x102c99b8) at GSFFCallInvocation.m:706
#16 0x0fd055ec in -[NSApplication sendAction:to:from:] (
    self=<value optimized out>, _cmd=<value optimized out>,
    aSelector=0x10060860, aTarget=<value optimized out>, sender=0x102bb350)
    at NSApplication.m:1980
#17 0x0fdc174c in -[NSMenu performActionForItemAtIndex:] (self=0x102bb2c0,
    _cmd=<value optimized out>, index=<value optimized out>) at
NSMenu.m:1021
#18 0x0fdcc1e8 in -[NSMenuView trackWithEvent:] (self=0x102bc3a8,
    _cmd=<value optimized out>, event=<value optimized out>)
    at NSMenuView.m:1490
#19 0x0fdc8fd0 in -[NSMenuView mouseDown:] (self=0x102bc3a8,
---Type <return> to continue, or q <return> to quit---
    _cmd=<value optimized out>, theEvent=0x10217b18) at NSMenuView.m:1535
#20 0x0fe86fe0 in -[NSWindow sendEvent:] (self=0x102bb958,
    _cmd=<value optimized out>, theEvent=0x10217b18) at NSWindow.m:3182
#21 0x0fd050ec in -[NSApplication sendEvent:] (self=0x1015fcc0,
    _cmd=<value optimized out>, theEvent=0x10217b18) at NSApplication.m:1861
#22 0x0fd04064 in -[NSApplication run] (self=0x1015fcc0,
    _cmd=<value optimized out>) at NSApplication.m:1371
#23 0x0fcf4974 in NSApplicationMain (argc=<value optimized out>,
    argv=<value optimized out>) at Functions.m:72
#24 0x10001c80 in main (argc=4, argv=0x4, env=0x4dc7) at main.m:33


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