Re: QPopupMenu with dynamic adding/removing of toggled QActions possible?

Martin Baumg=E4rtner wrote:
> Hi,
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> as a newcomer to the Qt library I'd like to pour out the following=20
> question to the community:
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> Can anybody help me with an appropriate technique in order to implement=
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> a QPopupMenu which can be dynamically grown/shrinked by adding/removing=
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> items of class QAction.
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> It's important for me to use the toggle facility of the QAction class,=20
> because there seems to be no suitable alternative, e.g. to add menu=20
> items directly using the QPopupMenu::insertItem( ... ) functions.
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> // ---------- CODE START ------------
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> ...
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> QPopupMenu *popup_menu =3D new QPopupMenu( this );
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> QAction* new_item =3D new QAction( this, "new_item" );
> new_item->setToggleAction( TRUE );
> new_item->setOn( FALSE );
> new_item->setText( "item_1" );
> new_item->addTo( popup_menu );
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> ...
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> // ------------ CODE END ------------
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> Using this concept I don't see any chance to get a valid (int) id that =
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> can give to the new_item. And that would be what I'd need to use the=20
> QPopupMenu::removeItem( id ) for deleting items - or am I wrong?
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> The inherited QPopupMenu::setItemChecked( int id, bool checked ) seems=20
> to be another idea, but I think this is not an easy solution for my=20
> problem, because then I need to manage some more signal/slot-connection=
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> in order to realize mouse/keyboard events.
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> Is there a better technique for this task? Or do I have to manage a=20
> separate std::vector<QAction*> in order to use the QAction::removeFrom(=
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> QWidget *w ) for deletion?
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> Thanks a lot in advance for any idea!!!!
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> Martin
which version of qt do you have?