How to use crtl key to make work on my widget.

[Zeee]

how to use crtl key to make work on my widget.
I want when I press the ctrl + 6 s such an action executes on my widget and the action ceases when I press the button again ctrl 6
here is my code
@
QObject::connect(QKeySequence ("Ctrl + 5"), SIGNAL(clicked()), this, SLOT(popp()));
popp()
{
}@

[Edit: Added @ tags -- mlong]

[silur]

@QShortcut *shortcut = new QShortcut(QKeySequence("Ctrl+6"), parent);
QObject::connect(shortcut, SIGNAL(activated()), receiver, SLOT(yourSlotHere());@

[zoat129]

thank you very much for your help,
I want when I press the ctrl + 6 s such an action executes on my widget and the action ceases when I press the button again ctrl 6

my slot have boolean as argument and I want when I press ctrl6 the first time to execute my slot with true as argument and when I press ctrl 6 again to put my slot argument on on. I try this

QShortcut *shortcut = new QShortcut(QKeySequence("Ctrl+6"), parent);
QObject::connect(shortcut, SIGNAL(activated(bool)), receiver, SLOT(yourSlotHere(bool));

but it not work,
i am new in qt