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Qt-interest Archive, April 2007
QT4: "QToolButton: Menu in setMenu() overriding actions set in addAction!"

• Subject: QT4: "QToolButton: Menu in setMenu() overriding actions set in addAction!"
• From: Tomasz Stelmach <stelek@{no_spam_pls}stelmach-online.net>
• Date: Fri, 13 Apr 2007 22:11:59 +0200
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Hi all,

I have this small code in my application:

  mp_newbtn = new QToolButton();
  mp_toolbar_new_menu = new QMenu();
  mp_toolbar_new_menu->addAction( mp_file_add_new_ping );
  mp_toolbar_new_menu->addAction( mp_file_add_new_trace );
  mp_toolbar_new_menu->addAction( mp_file_add_new_whois );
  mp_newbtn->setMenu( mp_toolbar_new_menu );
  mp_newbtn->setDefaultAction( mp_file_add_new_ping );
  mp_newbtn->setPopupMode( QToolButton::MenuButtonPopup );
  mp_filetoolbar->addWidget( mp_newbtn );

This of course adds a button to a toolbar with an arrow showing a menu 
with 3 actions. It works just fine except for one thing - whenever I bring
up the menu by clicking the arrow, I get this warning in the background:

QToolButton: Menu in setMenu() overriding actions set in addAction!

The functionality works just like expected - the actions are executed
properly. But I'm still worried by this warning. Any idea what could be
causing it?

T.S.

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