[Qt-interest] setMouseTracking

[Jan]

p.s.:

but I doubt that desktopWidget receives events like a normal widget.

Am 06.01.2011 18:45, schrieb Jan:
> Just an idea:
>
> Maybe it is possible to install an eventfilter on the QDesktopWidget
>
> QDesktopWidget * QApplication::desktop ()
>
> Through an eventfilter you may get mouse events. No idea if you can
> enable mousetracking for the desktop widget (but it is a widget subclass
> - so why not).
>
> Jan
>
> Am 06.01.2011 16:39, schrieb "Alexander Carôt":
>>> Does your main window derive from QMainWindow or just QWidget?  If not,
>>> what happens if you create a QMainWindow and set your current "main
>>> window" widget as the QMainWindow's centralWidget()?  I believe this
>>> should work (and is the common way of implementing a top level
>>> application window.)
>>
>> In fact my window derives from QWidget. Changing it to QMainWindow makes it receive mouseMoveEvents without clicking as desired - thank you !
>>
>> However, it does not work if the mouse resides outside the window. So I changed my class back to QWidget and followed your suggestion of creating an extra QMainWindow and set my widget as the central widget via setCentralWidget(); In that context I also overwrote the mouse event handler of the QMainWindow with mouse pos messages. Unfortunately this didn't solve the problem either: Only the central widget's handler fired only when placing the mouse on it and not outside the widget's boundaries.
>>
>> Did I correctly follow you suggestion or am I possibly mistaken ?
>>
>> Thanks and best
>>
>> Alex
>>
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