Review Request 129994: Fix AppMenuApplet Called C++ object pointer is null

[David Edmundson]

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https://git.reviewboard.kde.org/r/129994/#review102764
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Ship it!




Ship It!

- David Edmundson


On March 8, 2017, 2:17 a.m., Leslie Zhai wrote:
> 
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> This is an automatically generated e-mail. To reply, visit:
> https://git.reviewboard.kde.org/r/129994/
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> 
> (Updated March 8, 2017, 2:17 a.m.)
> 
> 
> Review request for Plasma, Kai Uwe Broulik and David Edmundson.
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> Repository: plasma-workspace
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> Description
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> Hi KDE developer,
> 
> Bug reported by the clang static analyzer.
> 
> Description: Called C++ object pointer is null
> File: plasma-workspace/applets/appmenu/lib/appmenuapplet.cpp
> Line: 167
> 
> ```
> 153	void AppMenuApplet::trigger(QQuickItem *ctx, int idx)
> 154	{
> 155	    if (m_currentIndex == idx) {
> 
> Taking false branch	
> ?
> 156	        return;
> 157	    }
> 158	 
> 159	    QMenu *actionMenu = createMenu(idx);
> 160	    if (actionMenu) {
> 
> ?
> Assuming 'actionMenu' is non-null	
> ?
> 
> ?
> Taking true branch	
> ?
> 161	 
> 162	        if (ctx && ctx->window() && ctx->window()->mouseGrabberItem()) {
> 4
> ?
> Assuming 'ctx' is null	
> ?
> 163	            // FIXME event forge thing enters press and hold move mode :/
> 164	            ctx->window()->mouseGrabberItem()->ungrabMouse();
> 165	        }
> 166	 
> 167	        const auto &geo = ctx->window()->screen()->availableVirtualGeometry();
> 5
> ?
> Called C++ object pointer is null
> ```
> 
> So I simply add some checker for ctx, ctx->window() and ctx->window()->screen() pointers.
> 
> Regards,
> Leslie Zhai
> 
> 
> Diffs
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>   applets/appmenu/lib/appmenuapplet.cpp 9aaf5cc6 
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> Diff: https://git.reviewboard.kde.org/r/129994/diff/
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> 
> Testing
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> 
> Thanks,
> 
> Leslie Zhai
> 
>

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