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

Ben Swerts benswerts at telenet.be
Sat May 28 22:59:20 CEST 2016


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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