QPushButton has the functionality of setting a menu, but that replaces
the normal "click" functionality, and always opens the menu on click.
QToolButton can have a menu and the user can still click on it to just
click. But, QToolButton looks very different, and in combination with
other, normal push buttons very alien.
Create a push button that only shows the menu when clicking on/near the
menu indicator, and otherwise just sends the clicked() signal like a
non-menu push button.
Change-Id: Id6ba367e40c370275f67f0fbf77521c2e974b3b8
Reviewed-by: <github-actions-qt-creator@cristianadam.eu>
Reviewed-by: Marcus Tillmanns <marcus.tillmanns@qt.io>
Reviewed-by: David Schulz <david.schulz@qt.io>
