[Interest] Roadmap for Qt Widget Styles. WindowsVista? Fusion? Other?

[Konstantin Tokarev]

26.10.2016, 21:10, "Phil Weinstein" <philw at indra.com>:
> It would be helpful for us to know the Qt development community's thinking about the future of Qt widget styles.  Is, and will Fusion continue to be the (or a) favored widget style for the foreseeable future?
>
> Our context:  We are very late in the game porting our huge Qt 4.8.5 application to Qt 5.  We can't easily move beyond Qt 5.5.1 because we are using QWebKit (including HTML-DOM API provisions, which are not available, nor readily possible in QWebEngine, being that the document "lives" in a separate process, as I understand).

FYI, you can move to Qt 5.7 right now, by using QtWebKit binaries from Technology Preview 4:

https://github.com/annulen/webkit/releases/tag/qtwebkit-tp4

For more information about QtWebKit current state and future please read
http://qtwebkit.blogspot.com/2016/08/qtwebkit-im-back.html

>
> All of our documentation currently uses the WindowsVista style, BUT WE ARE SEEING BUGGY QTreeWidget visuals in Qt 5.5.1 (we tried also Qt 5.4.2. Same).
>
> Specifically we are seeing this first bug, which was reported only in Qt 5.6 and addressed in Qt 5.6.1 (under the second related bug).
>
> * QTBUG-51799: QTreeView on Windows: Artifacts when hovering/selecting
> https://bugreports.qt.io/browse/QTBUG-51799
>
> * QTBUG-52230: The style of the QTreeView component get's screwed up
> https://bugreports.qt.io/browse/QTBUG-52230
>> More info: There is also sub-optimal highlighting (even with some artifacts left over) in item selection ornamentation.  That, and the tree open-close control's "hover" problem (and changing from triangles to +/-) don't always show up right away, but only after a certain amount of exercising QTreeWidgets.  (We're seeing this in Qt 5.4.2 and Qt 5.5.1).
>
> It looks like _some things_ were done in 5.6 itself to attempt to address WindowsVista style problems.  We've attempted to apply those changes (including those resulting from the QTBUG-52230 fix) to Qt 5.5.1, but that became too complicated before we even achieved the desired result.
> SO, we are thinking of taking the dive in switching from WindowsVista to Fusion.  But we'd first like to get an indication of how long that style will be recommended and well supported.
>
> Thank you in advance,
> Phil Weinstein, CADSWES
> ,
>
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-- 
Regards,
Konstantin