[Qt-interest] problem with closeEvent

[Knapp]

Hello, I am totally stumped. Why am I getting this error? What did I do wrong?
Thanks!!

The relevant error output.

mainwindow.cpp: In member function ‘virtual void
MainWindow::closeEvent(QCloseEvent*)’:
mainwindow.cpp:38: error: invalid use of incomplete type ‘struct QCloseEvent’
/opt/qtsdk-2009.01/qt/include/QtGui/qwidget.h:83: error: forward
declaration of ‘struct QCloseEvent’
mainwindow.cpp:40: error: invalid use of incomplete type ‘struct QCloseEvent’
/opt/qtsdk-2009.01/qt/include/QtGui/qwidget.h:83: error: forward
declaration of ‘struct QCloseEvent’
mainwindow.cpp: In member function ‘bool MainWindow::save()’:

header code:

#ifndef MAINWINDOW_H
#define MAINWINDOW_H

#include <QtGui/QMainWindow>
#include <QString>
#include <QFile>
#include <QTextStream>
#include <QtXml>
#include <QMessageBox>
#include <QTranslator>

namespace Ui
{
    class MainWindowClass;
}

class MainWindow : public QMainWindow
{
    QString thrust_Damage[55];  // cPickle.load(open('Thrust.p','rb'));
    QString swing_Damage[55]; // 55 is overkill just in case.

    int real_HP; // Hit Points
    int real_FP; // Fatugue Points
    int real_WILL; // Will
    int real_PER; // Perception
    double real_BS; //# BS Basic_Speed
    int real_BM; // # BM Basic_Move

    Q_OBJECT

public:
    MainWindow(QWidget *parent = 0);
    ~MainWindow();

protected:
    void closeEvent(QCloseEvent *event);

CPP CODE!!!

#include "mainwindow.h"
#include "ui_mainwindow.h"

MainWindow::MainWindow(QWidget *parent) : QMainWindow(parent), ui(new
Ui::MainWindowClass)
{

    set_New();

    ui->setupUi(this);
    // the ST connection was done in the UI designer.
    connect(ui->spinBox_DX, SIGNAL(valueChanged(int)), this,
SLOT(label_DX_Cost_Set(int)));
    connect(ui->spinBox_IQ, SIGNAL(valueChanged(int)), this,
SLOT(label_IQ_Cost_Set(int)));
    connect(ui->spinBox_HT, SIGNAL(valueChanged(int)), this,
SLOT(label_HT_Cost_Set(int)));
    connect(ui->spinBox_HP, SIGNAL(valueChanged(int)), this,
SLOT(adjust_HP(int)));
    connect(ui->spinBox_FP, SIGNAL(valueChanged(int)), this,
SLOT(adjust_FP(int)));
    connect(ui->spinBox_WILL, SIGNAL(valueChanged(int)), this,
SLOT(adjust_WILL(int)));
    connect(ui->spinBox_PER, SIGNAL(valueChanged(int)), this,
SLOT(adjust_PER(int)));
    connect(ui->lineEdit_Points_Total, SIGNAL(textChanged(QString)),
this, SLOT(adjust_Unspent_Points()));
    connect(ui->doubleSpinBox_BS, SIGNAL(valueChanged(double)), this,
SLOT(adjust_Basic_Speed(double)));
    connect(ui->spinBox_BM, SIGNAL(valueChanged(int)), this,
SLOT(adjust_Basic_Move(int)));
    loadText(); // loads in thrust and swing damage data
    adjust_Unspent_Points();
    ui->lineEdit_Basic_Lift->setText(QString::number(ui->spinBox_ST->value()
* ui->spinBox_ST->value() / 5));
    ui->lineEdit_Thr->setText(thrust_Damage[10]);
    ui->lineEdit_Sw->setText(swing_Damage[10]);
    ui->lineEdit_Name->setFocus(Qt::OtherFocusReason); // a good place
for the cursor to be at startup.
}

MainWindow::~MainWindow()
{
    delete ui;
}

void MainWindow::closeEvent(QCloseEvent *event)
{
    if (okToContinue()) {
        writeSettings();
        event->accept();
    } else {
        event->ignore();
    }
}
-- 
Douglas E Knapp

Why do we live?