[mythtv] MythDialog->AddButton/SLOT Question

Robert McNamara robert.mcnamara at gmail.com
Fri Mar 26 16:47:33 UTC 2010


On Fri, Mar 26, 2010 at 9:44 AM, Jonatan <mythtv at comhem.se> wrote:
> George Galt wrote:
>>
>> I am banging my head against a wall on this one.  I'm creating a
>> simple dialog box that calls a slot for each button press (a simple
>> thing that has been done in many of the plugins before me).  Code is
>> below.  However, when I press the button, I get "QObject::connect:
>> Cannot connect MythDialogBox::selected() to
>> (null)::showPlayerSelectWin()".
>>
>> My code is modeled after a number of other plugins that seem to do
>> this effectively.  I've looked everywhere I can think of, but must be
>> missing something obvious.  It's clear that somehow I'm not
>> effectively telling QObject that the "showPlayerSelectWin()" slot is
>> owned by the parent window, but I can't think of what I am missing.
>>
>> Any help would be greatly appreciated.
>>
>> George
>>
>> Here is the relevant code:
>>
>> void MythSqueezeBox::slotPopupStateSection( void )
>> {
>>    QString label = tr("Select Action");
>>
>>    MythDialogBox *m_menuPopup = new MythDialogBox(label,
>> m_popupStack, "mythsqueezeboxselectactionpopup");
>>
>>    if (m_menuPopup->Create())
>>    {
>>        m_popupStack->AddScreen(m_menuPopup);
>>
> Correct me if I'm wrong, but I think you need to add a
> m_menuPopup->SetReturnEvent(this, "something");
> to make it work.

Signals and slots will work fine, using return events is another way
to do it, but not necessary.

George, presumably showPlayerSelectWin() and others are defined in the
header specifically as slots?

Robert


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