Hi Sean,
Widgets are normally positioned relative to their owner - the exception
is popup menus, which are screen absolute. I would expect a popup menu
to automatically close when the title bar is clicked. How have you
implemented your captionPopupMenu? Does it capture the mouse when it is
visible? It should close if the mouse is clicked anywhere outside its
borders. Since you've got a QPushButton, did you consider using its
setMenu to achieve a similar result?
Regards, Tony
On 2/10/2018 4:11 AM, Murphy, Sean wrote:
My basic question is how do child widgets get moved or repainted when some
ancestor of theirs moves?
Here's the more detailed issue, first the widget hierarchy:
QMainWindow
CustomerHeaderTable (inherits from QTableWidget)
CustomTableHeader (inherits from QHeaderView, allows you to put widgets
in the header sections)
dataConfigWidget (inherits from QWidget)
QPushButton
captionPopupMenu (inherits from QWidget, starts out hidden)
What I'm trying to accomplish is when the user presses the QPushButton, that a
custom popup menu (the captionPopupMenu) appears aligned to the pushbutton.
Right now I've got the initial alignment working just fine. The issue is when
the popup is visible, if the user then grabs the application title bar and
moves the entire main window around, the popup isn't moving with the
application. So I figured I just need to update the captionPopupMenu's position
in dataConfigWidget's moveEvent() to keep it positioned correctly. But it
appears when the main window moves around, the dataConfigWidget's moveEvent()
is never called - I put some qDebug() statements in there to verify. Same goes
for paintEvent() - my child widgets aren't getting called when the ancestors
move.
So I'm not sure what I need to trigger off from to detect when I need to
reposition the menu. I feel like I'm missing something really obvious, but not
seeing it on a Monday apparently.
Sean
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