Review Request 122909: Fix segfault with missing screens

[Martin Gräßlin]

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https://git.reviewboard.kde.org/r/122909/#review77366
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shell/panelshadows.cpp
<https://git.reviewboard.kde.org/r/122909/#comment53127>

    This is wrong. It will now cause pixmap leakage.


- Martin Gräßlin


On March 12, 2015, 2:24 p.m., Jan Kundrát wrote:
> 
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> This is an automatically generated e-mail. To reply, visit:
> https://git.reviewboard.kde.org/r/122909/
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> 
> (Updated March 12, 2015, 2:24 p.m.)
> 
> 
> Review request for Plasma.
> 
> 
> Repository: plasma-workspace
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> 
> Description
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> Fix segfault with missing screens
> 
> This is to keep up with the Qt 5.5 changes with null QScreen. BT:
> 
>  #0  XInternAtom (dpy=0x0, name=0x7f1195725664 "_KDE_NET_WM_SHADOW", onlyIfExists=0)
>      at /var/tmp/portage/x11-libs/libX11-1.6.2/work/libX11-1.6.2/src/IntAtom.c:174
>  #1  0x00007f11956e438c in PanelShadows::Private::clearShadow (this=<optimized out>, window=0x7f119958ff90)
>      at /var/tmp/portage/kde-plasma/plasma-workspace-5.2.1/work/plasma-workspace-5.2.1/shell/panelshadows.cpp:494
>  #2  0x00007f11956e7139 in PanelShadows::removeWindow (this=0x7f119593b060 <(anonymous namespace)::Q_QGS_privateDialogShadowsSelf::innerFunction()::holder>, window=window at entry=0x7f119958ff90)
>      at /var/tmp/portage/kde-plasma/plasma-workspace-5.2.1/work/plasma-workspace-5.2.1/shell/panelshadows.cpp:142
>  #3  0x00007f11956dd8f5 in PanelView::~PanelView (this=0x7f119958ff90, __in_chrg=<optimized out>)
>      at /var/tmp/portage/kde-plasma/plasma-workspace-5.2.1/work/plasma-workspace-5.2.1/shell/panelview.cpp:124
>  #4  0x00007f11956dd9af in PanelView::~PanelView (this=0x7f119958ff90, __in_chrg=<optimized out>)
>      at /var/tmp/portage/kde-plasma/plasma-workspace-5.2.1/work/plasma-workspace-5.2.1/shell/panelview.cpp:125
>  #5  0x00007f11956effa8 in ShellCorona::removeView (this=0x7f1196c19b40, idx=0) at /var/tmp/portage/kde-plasma/plasma-workspace-5.2.1/work/plasma-workspace-5.2.1/shell/shellcorona.cpp:710
>  #6  0x00007f11956f0038 in ShellCorona::remove (this=this at entry=0x7f1196c19b40, desktopView=<optimized out>)
>      at /var/tmp/portage/kde-plasma/plasma-workspace-5.2.1/work/plasma-workspace-5.2.1/shell/shellcorona.cpp:662
>  #7  0x00007f11956f009f in ShellCorona::screenRemoved (this=0x7f1196c19b40, screen=<optimized out>)
>      at /var/tmp/portage/kde-plasma/plasma-workspace-5.2.1/work/plasma-workspace-5.2.1/shell/shellcorona.cpp:743
> 
> 
> Diffs
> -----
> 
>   shell/panelshadows.cpp c97564a2417a66e17a1a02237155f19addf2b9c7 
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> Diff: https://git.reviewboard.kde.org/r/122909/diff/
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> 
> Testing
> -------
> 
> 
> Thanks,
> 
> Jan Kundrát
> 
>

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