Make Grid header editable

#include <QApplication>
#include "window.h"

int main(int argc, char *argv[])
{
    QApplication a(argc, argv);
    Window w;
    w.show();
    return a.exec();
}

#ifndef MAINWINDOW_H
#define MAINWINDOW_H

#include <QMainWindow>
#include <QtitanGrid.h>

class Window : public QMainWindow
{
    Q_OBJECT
public:
    Window();
 private:
    Qtitan::Grid* m_grid;
};

class MyColumnEditor : public Qtitan::GridTableColumnEditor
{
    Q_OBJECT
public:
    MyColumnEditor();
    virtual QWidget* createEditorWidget(Qtitan::GridColumnBase* column);
private Q_SLOTS:
    void editChanged(const QString &);
private:
};
#endif // MAINWINDOW_H

#include <QStandardItemModel>

#include "window.h"

Window::Window()
: QMainWindow()
{
    setWindowTitle(tr("QtitanDataGrid Demo"));
    setGeometry(200, 250, 1200, 800);

    m_grid = new Qtitan::Grid();
    m_grid->setViewType(Qtitan::Grid::TableView);
    Qtitan::GridTableView* view = m_grid->view<Qtitan::GridTableView>();
    view->options().setColumnHeight(35);

    QStandardItemModel* model =  new QStandardItemModel(4, 4);
    for (int row = 0; row < 4; ++row)
    {
        for (int column = 0; column < 4; ++column)
        {
            QStandardItem *item = new QStandardItem(QString("row %0, column %1").arg(row).arg(column));
            model->setItem(row, column, item);
        }
    }
    view->setModel(model);

    MyColumnEditor* editor = new MyColumnEditor();
    Qtitan::GridTableColumn* column = (Qtitan::GridTableColumn *)view->getColumn(0);
    column->setColumnEditor(editor);

    setCentralWidget(m_grid);
}

/* MyColumnEditor */
MyColumnEditor::MyColumnEditor()
    : Qtitan::GridTableColumnEditor()
{
}

QWidget* MyColumnEditor::createEditorWidget(Qtitan::GridColumnBase* column)
{
    Q_UNUSED(column);
    QLineEdit* edit = new QLineEdit();
    connect(edit, SIGNAL(textEdited(const QString &)), this, SLOT(editChanged(const QString &)));
    return edit;
}

void MyColumnEditor::editChanged(const QString &)
{
}