[kde] [Bug 315710] New: Qt applications in KDE don't respond if I hover the mouse over menus and submenus after having initially clicked on a menu.

[Georgiy Treyvus]

https://bugs.kde.org/show_bug.cgi?id=315710

            Bug ID: 315710
           Summary: Qt applications in KDE don't respond if I hover the
                    mouse over menus and submenus after having initially
                    clicked on a menu.
    Classification: Unclassified
           Product: kde
           Version: unspecified
          Platform: Other
                OS: Linux
            Status: UNCONFIRMED
          Severity: normal
          Priority: NOR
         Component: general
          Assignee: unassigned-bugs at kde.org
          Reporter: georgiytreyvus at riseup.net

This bug applies to Qt applications and only in KDE. It is not an issue with
GTK applications in KDE nor is it an issue with Qt applications in other
desktops.

I don't know if the summary above adequately describes the problem so let me
give an example with two concrete applications under KDE. The first is the GTK
application Gedit the second will be KDE's very own Kwrite.

First we begin with Gedit. Open up Gedit and click on the "File" menu. Now move
the mouse so that it hovers over "Edit". Notice how the "Edit" menu is
expanded. Move the mouse over once more to the "View" menu but don't click it
and watch the same thing happen. Now move the mouse down to hover over the
"Highlight Mode" submenu. Again do not click it but watch it get expanded.

Anyway that is the correct and normal behavior that I am used to on other
desktops and operating systems.

Now lets move over to Kwrite. Click the "File" menu. Now move the mouse over so
that it hovers over the "Edit" menu. Do not click with the mouse. Notice how
the "Edit" menu is not expanded. This is contrary to normal desktop behavior.

Now lets restart this. Click the the "Tools" menu. Move the mouse down so that
it hovers over the "Encoding" submenu. Do not click it. Again notice how it
does not expand. Hopefully by now the pattern is extremely clear.

Also when fixing the bug to be careful not to run into subtle regressions. Like
I reported and you guys fixed(thank you so much for that btw) two bugs here
which were essentially the polar opposite of this behavior but still highly
problematic. They're complicated to describe but I will provide links if you
want to see what I mean:
https://bugs.kde.org/show_bug.cgi?id=302368
https://bugs.kde.org/show_bug.cgi?id=302364

Reproducible: Always

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