debug windows command "quit" crashes ImageVis3D

[Jens Krüger]

tested on the latest version on a mac, not sure if this a mac only issue.

Steps to reproduce:
- open IV3D
- open debug window
- type quit
- press enter

[Tom Fogal (tfogal)]

Confirmed.

Process: ImageVis3D [54661]
Path: /Users/tfogal/iv3d/Build/ImageVis3D.app/Contents/MacOS/ImageVis3D
Identifier: ImageVis3D
Version: VERSION (???)
Code Type: X86-64 (Native)
Parent Process: launchd [242]

Date/Time: 2010-08-16 16:02:53.636 -0600
OS Version: Mac OS X 10.6.4 (10F569)
Report Version: 6

Interval Since Last Report: 3283258 sec
Crashes Since Last Report: 28
Per-App Crashes Since Last Report: 2
Anonymous UUID: 685D0C15-29A3-4C05-9C50-CA49CB145F03

Exception Type: EXC_BAD_ACCESS (SIGSEGV)
Exception Codes: KERN_INVALID_ADDRESS at 0x0000000000000088
Crashed Thread: 0 Dispatch queue: com.apple.main-thread

Thread 0 Crashed: Dispatch queue: com.apple.main-thread
0 ImageVis3D 0x0000000100078cf9 MainWindow::ParseAndExecuteDebugCommand() + 189 (ImageVis3D_DebugWindow.cpp:217)
1 ImageVis3D 0x00000001000ff3e0 MainWindow::qt_metacall(QMetaObject::Call, int, void**) + 3154 (moc_ImageVis3D.cpp:435)
2 QtCore 0x00000001017b3f92 QMetaObject::activate(QObject*, QMetaObject const*, int, void**) + 658
3 QtGui 0x0000000100e089bc QLineEdit::qt_metacall(QMetaObject::Call, int, void**) + 908
4 QtCore 0x00000001017b3f92 QMetaObject::activate(QObject*, QMetaObject const*, int, void**) + 658
5 QtGui 0x0000000100e11139 QLineControl::processKeyEvent(QKeyEvent*) + 521
6 QtGui 0x0000000100e065b4 QLineEdit::keyPressEvent(QKeyEvent*) + 36
7 QtGui 0x0000000100a68183 QWidget::event(QEvent*) + 3491
8 QtGui 0x0000000100e0725b QLineEdit::event(QEvent*) + 123
9 QtGui 0x0000000100a142ad QApplicationPrivate::notify_helper(QObject*, QEvent*) + 189
10 QtGui 0x0000000100a1b12e QApplication::notify(QObject*, QEvent*) + 3902
11 QtCore 0x00000001017a175c QCoreApplication::notifyInternal(QObject*, QEvent*) + 124
12 QtGui 0x0000000100a143b0 qt_sendSpontaneousEvent(QObject*, QEvent*) + 48
13 QtGui 0x0000000100a89318 QKeyMapper::sendKeyEvent(QWidget*, bool, QEvent::Type, int, QFlags<Qt::KeyboardModifier>, QString const&, bool, int, unsigned int, unsigned int, unsigned int, bool*) + 168
14 QtGui 0x0000000100a8a200 QKeyMapperPrivate::translateKeyEvent(QWidget*, OpaqueEventHandlerCallRef*, OpaqueEventRef*, void*, bool) + 688
15 QtGui 0x00000001009cc3de qt_dispatchKeyEvent(void*, QWidget*) + 206
16 QtGui 0x00000001009c3d2b -[QCocoaView keyDown:] + 379
17 com.apple.AppKit 0x00007fff84b96483 -[NSWindow sendEvent:] + 8769
18 QtGui 0x00000001009be9f1 -[QCocoaPanel sendEvent:] + 209
19 com.apple.AppKit 0x00007fff84acaee2 -[NSApplication sendEvent:] + 4719
20 com.apple.AppKit 0x00007fff84a61922 -[NSApplication run] + 474
21 QtGui 0x00000001009d2be3 QEventDisp...