[Digikam-devel] [Bug 114465] Simpler entry of tags using keyboard shortcuts

[Marcel Wiesweg]

https://bugs.kde.org/show_bug.cgi?id=114465





--- Comment #121 from Marcel Wiesweg <marcel wiesweg gmx de>  2011-01-25 23:19:46 ---
Yes, sounds all right.

There is QApplication::activeWindow to get the active top-level window.
There is also QApplication::focusWidget() to get the focus widget down the
hierarchy, and climb up using QWidget::parentWidget(). Sometimes focusWidget()
can be 0 though.
You could also use an interface class with a pure virtual method, and going up
the QObject hierarchy from the focusWidget use dynamic_cast to find the first
object also inheriting this interface. That would only be necessary if there
are multiple components in the same window reacting differently to the
shortcut. If the behavior is clear per-window, the activeWindow() solution will
be easier.

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