View Full Version : How to start a function in parent with QItemDelegate
aekilic
23rd November 2008, 08:39
Hello all
We have QItemDelegate like this.
if(index.column() == 12)
{
QLineEdit *editor = new QLineEdit(parent);
connect(editor, SIGNAL(returnPressed()), parent, SLOT(x_x()));
return editor;
}
I would like to start x_x function from the parent, but I was not able to do it? Do you have any idea?
spirit
23rd November 2008, 08:41
pass pointer to needed object trought ctor of delegate and then use it in connect.
aekilic
23rd November 2008, 08:44
How can I do it? any example?
spirit
23rd November 2008, 08:51
void MyDelegate::setCustomHandler(QWidget *handler)
{
m_handler = handler;
}
....
if(index.column() == 12) {
QLineEdit *editor = new QLineEdit(parent);
connect(editor, SIGNAL(returnPressed()), m_handler, SLOT(x_x()));
return editor;
}
....
MyDelegate *delegate = new MyDelegate();
delegate->setCustomHandler(this);
....
aekilic
23rd November 2008, 09:14
I get a error like this.
m_handler' undeclared (first use
this function)
spirit
23rd November 2008, 09:17
you have to declare it like a class member, i.e.
class MyDeleaget: public QItemDelegate
{
.....
private:
QWidget *m_handler;
};
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