Access the members of dynamic form

Exotic_Devel

How do I access an existing QLineEdit in a form generated automatically with QUiLoader? For example, to get your content.

@ MyWidget::MyWidget(QWidget *parent)
: QWidget(parent)
{
QUiLoader loader;
QFile file(":/forms/myform.ui");
file.open(QFile::ReadOnly);
QWidget *myWidget = loader.load(&file, this);
file.close();

     QVBoxLayout *layout = new QVBoxLayout;
     layout->addWidget(myWidget);
     setLayout(layout);
 }

@

Assuming that there is a QLineEdit in MyWidget. How to access it?

dheerendra

You can try using some thing like this.

QList<QLineEdit*> edits = myWidget->findChildren<QLineEdit*>();

Exotic_Devel

How to get a specific QLineEdit on the list?
Suppose I want to access the QLineEdit that contains the server ip. How do I know what position is he?

SGaist

Hi,

Give an object name to the QLineEdit then you can search using it

dheerendra

In addition to what SGaist said, you can use the specific API

@QList<QWidget *> widgets = parentWidget.findChildren<QWidget *>("widgetname");@

You can look at the findChildren(..) API in Qt Documentation. It has more details.

Exotic_Devel

I wanted a way to catch all

@QList<QLineEdit*> edits = myWidget->findChildren<QLineEdit*>();@

And after finding a specific QLineEdit in list. Thus I think I save a few lines of code.

IamSumit

[quote author="Exotic_Devel" date="1408902797"] after finding a specific QLineEdit in list. Thus I think I save a few lines of code.[/quote]

Hii..
Then for such case . you have following approaches.

http://doc.qt.digia.com/qq/qq10-signalmapper.html

hope it helps you

SGaist

What wrong with:

@QLineEdit *lineEdit = parentWidget->findChild<QLineEdit *>("myFunkyComboBox");@

?

Exotic_Devel

Sorry, that was an editing mistake

Exotic_Devel

I'm using 'findChildren' to put all QLineEdit in a list and pass it as a parameter to a method. However, I do not know how to extract a specific QLineEdit the list to be able to manipulate. eg

@lineedits = connecdiag->findChildren<QLineEdit*>(QString(), Qt::FindDirectChildrenOnly);@

How to catch a QLineEdit called 'qle_port' that is in

@lineedits@

?

SGaist

Hi,

Why not search directly for QLineEdits having this name ? e.g.

@
ineedits = connecdiag->findChildren<QLineEdit*>("qle_port", Qt::FindDirectChildrenOnly);@