[Interest] QTreeView expand icon changes unexpectedly Qt5.6.0 & VS2015

[Olivier B.]

Are you sure it is not https://bugreports.qt.io/browse/QTBUG-52230 ?

2016-05-28 22:59 GMT+02:00 Ben Swerts <benswerts at telenet.be>:

> Hi Anton,
>
> I noticed the same issue with VS2015 Update 2 and Qt 5.6.0 (commercial).
> Your post made me realize this seems to be related to the combination of
> these two tools.
> Our application is built with VS2013 Update 5 while I'm preparing
> everything
> for an upgrade to VS2015. I'm quite certain this issue is not present when
> compiling with VS2013.
>
> So if no one has logged a bug for this yet, I would advise you to log one.
>
> Regards,
>
>
>         Ben
>
> -----Original Message-----
> From: Interest [mailto:interest-bounces+benswerts=
> telenet.be at qt-project.org]
> On Behalf Of anton
> Sent: Friday, 27 May, 2016 23:56
> To: interest at qt-project.org
> Subject: [Interest] QTreeView expand icon changes unexpectedly Qt5.6.0 &
> VS2015
>
> Hi,
>
> I installed the following qt version on my Windows 7 (64bit):
>
>
> http://download.qt.io/official_releases/qt/5.6/5.6.0/qt-opensource-windows-x
> 86-msvc2015_64-5.6.0.exe
>
> I use Visual Studio 2015 update 2.
>
>
> I create a Qt Widget application with q QTreeView and some QComboBox'es.
>
> In my treeview I see the expand iccons:
>
> - they look like a triangle lile '>' when the treenode
>   is *not* expanded
>
> - they look like a triangle lile 'V' when the treenode
>   is not *expanded*
>
> Now I click here and there in my application, clicl on a QComboBox and now
> some strange magic happens.
>
> 1. The expand icons change to a '[+]': a plus in a rectangle
>    like you know it from the windows explorer.
>
> 2. As soon as the mouse pointer hoovers over the
>    expand icon it becomes *insisible*.
>
> In the Qt Designer in Qt Creator, I see the same problem, the expand icons
> (in the property pane) look like a '[+]' like in the windows explorer, but
> they becone invisible as soon as the mouse pointer is over the expand icon.
>
>
> My questions:
>
> - do you observe the same things?
> - did I forget to initialize something?
>   (don't think so because the Qt Designer has the same problem)
> - or is it a bug which will be fixed in 5.6.1 or 5.7.0 ?
>
>
> Thanks for a hint
>
>   Anton
>
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