#include "MyHeaderView.h"

#include <QDebug>
#include <QTimer>
#include "private/qheaderview_p.h"

MyHeaderView::MyHeaderView(QWidget *parent) :
    QHeaderView(Qt::Horizontal, parent)
{
    qDebug() << "Printing persistentHiddenSections.size() from QHeaderViewPrivate";
}

void MyHeaderView::setModel(QAbstractItemModel *model)
{
    QObject::connect(model, SIGNAL(layoutAboutToBeChanged()), this, SLOT(beforeLayoutAboutToBeChanged()));
    QHeaderView::setModel(model);
    QObject::connect(model, SIGNAL(layoutAboutToBeChanged()), this, SLOT(afterLayoutAboutToBeChanged()));
    QObject::connect(model, SIGNAL(layoutChanged()), this, SLOT(afterLayoutChanged()));

}

void MyHeaderView::beforeLayoutAboutToBeChanged() {
    qDebug() << "Before layoutAboutToBeChanged: " << reinterpret_cast<QHeaderViewPrivate *>(d_ptr.data())->persistentHiddenSections.size();
}

void MyHeaderView::afterLayoutAboutToBeChanged() {
    qDebug() << "After  layoutAboutToBeChanged: " << reinterpret_cast<QHeaderViewPrivate *>(d_ptr.data())->persistentHiddenSections.size();
}

void MyHeaderView::afterLayoutChanged() {
    qDebug() << "After  layoutChanged:          " << reinterpret_cast<QHeaderViewPrivate *>(d_ptr.data())->persistentHiddenSections.size() << "\n";
}