Review Request 114214: remove QDesktopWidget global static

[Patrick Spendrin]

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http://git.reviewboard.kde.org/r/114214/
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Review request for kdelibs and kdewin.


Repository: kdelibs


Description
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There is one global static for a QDesktopWidget in the code. We do not really need that, given that QApplication returns a static instance already.

This also fixes a bug I have in when closing yakuake:

Application: Yakuake (yakuake), signal: EXCEPTION_ACCESS_VIOLATION
QtGuid4.dll!QScopedPointer<QObjectData,QScopedPointerDeleter<QObjectData> >::data() [q:\qt-4.8.2\src\corelib\tools\qscopedpointer.h @ 135] at 0x54e6566a
QtGuid4.dll!qGetPtrHelper<QScopedPointer<QObjectData,QScopedPointerDeleter<QObjectData> > >() [q:\qt-4.8.2\src\corelib\global\qglobal.h @ 2455] at 0x54e53d5b
QtGuid4.dll!QApplication::d_func() [q:\qt-4.8.2\src\gui\kernel\qapplication.h @ 390] at 0x54e5e213
QtGuid4.dll!QWidget::~QWidget() [q:\qt-4.8.2\src\gui\kernel\qwidget.cpp @ 1634] at 0x54eeaa5b
QtGuid4.dll!QDesktopWidget::~QDesktopWidget() [q:\qt-4.8.2\src\gui\kernel\qdesktopwidget_win.cpp @ 253] at 0x54f41002
kdeui.dll!QDesktopWidget::`scalar deleting destructor'() [[unknown] @ -1] at 0x5435921a
kdeui.dll!_k_s_deskWidget__LINE__::destroy() [r:\build\kde\kdelibs-20110130\work\kdelibs-4.10.2\kdeui\windowmanagement\kwindowsystem_win.cpp @ 60] at 0x543591bb
kdeui.dll!KCleanUpGlobalStatic::~KCleanUpGlobalStatic() [r:\build\kde\kdelibs-20110130\work\kdelibs-4.10.2\kdecore\kernel\kglobal.h @ 62] at 0x53f68498
kdeui.dll!`_k_s_deskWidget__LINE__::operator->'::`13'::`dynamic atexit destructor for 'cleanUpObject''() [[unknown] @ -1] at 0x543f76ad
kdeui.dll!_CRT_INIT() [f:\dd\vctools\crt_bld\self_x86\crt\src\crtdll.c @ 415] at 0x54372424
kdeui.dll!__DllMainCRTStartup() [f:\dd\vctools\crt_bld\self_x86\crt\src\crtdll.c @ 526] at 0x54372630
...

I don't think it breaks anything.


Diffs
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  kdeui/windowmanagement/kwindowsystem_win.cpp e5b3a23 

Diff: http://git.reviewboard.kde.org/r/114214/diff/


Testing
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Thanks,

Patrick Spendrin

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