You header file is wrong:
You have:
private:
Ui::MainWindow *ui;
void joyConnect();
void updateForm();
and it should be:
private slots:
void joyConnect();
void updateForm();
private:
Ui::MainWindow *ui;
On 04/04/2011 16:22, aadeesh bhagwatkar wrote:
Sorry to bother you again with this. I know this is been
asked/answered before. I have searched (googled) and read a lot on
this topic and tried each and every instructions (moc, Q_OBJECT macro
etc..) to solve this error.
Finally i tried the mailing lists and found a solution:
http://www.archivum.info/[email protected]/2010-02/00805/Re-%28Qt-interest%29-Runtime-Error--connect-No-such-slot-%28FIXED%29-But.html
But still i am having the following runtime error.
Starting
/home/aadeesh/Project/Qt/gamepadReader/gamepadReader-build-desktop/gamepadReader...
Object::connect: No such slot MainWindow::updateForm() in
../gamepadReader/mainwindow.cpp:11
Object::connect: (receiver name: 'MainWindow')
Object::connect: No such slot MainWindow::joyConnect() in
../gamepadReader/mainwindow.cpp:12
Object::connect: (sender name: 'btnConnect')
Object::connect: (receiver name: 'MainWindow')
/home/aadeesh/Project/Qt/gamepadReader/gamepadReader-build-desktop/gamepadReader
exited with code 0
I am using Qt Creator on Ubuntu 10.10.
My code files are:
mainwindow.h
#ifndef MAINWINDOW_H
#define MAINWINDOW_H
#include <QMainWindow>
#include <QTimer>
#include <joystick.h>
namespace Ui {
class MainWindow;
}
class MainWindow : public QMainWindow
{
Q_OBJECT
public:
explicit MainWindow(QWidget *parent = 0);
~MainWindow();
QTimer *timer;
Joystick *joystick;
private:
Ui::MainWindow *ui;
void joyConnect();
void updateForm();
};
#endif // MAINWINDOW_H
mainwindow.cpp
#include "mainwindow.h"
#include "ui_mainwindow.h"
MainWindow::MainWindow(QWidget *parent) :
QMainWindow(parent),
ui(new Ui::MainWindow)
{
ui->setupUi(this);
timer = new QTimer(this);
joystick = new Joystick();
connect(timer, SIGNAL(timeout()), this, SLOT(updateForm()));
connect(ui->btnConnect, SIGNAL(clicked()), this,
SLOT(joyConnect()));
}
void MainWindow::updateForm()
{
if(joystick->init(ui->joyInput->text().toAscii()) > -1)
{
ui->btnConnect->setText("Connected");
timer->start();
}
}
void MainWindow::joyConnect()
{
ui->axis1->display(joystick->getAxis(0));
ui->axis2->display(joystick->getAxis(1));
ui->axis3->display(joystick->getAxis(2));
ui->axis4->display(joystick->getAxis(3));
}
MainWindow::~MainWindow()
{
delete ui;
}
main.cpp
#include <QtGui/QApplication>
#include "mainwindow.h"
int main(int argc, char *argv[])
{
QApplication a(argc, argv);
MainWindow w;
w.show();
return a.exec();
}
Please help me solve this error. An explanation will help me learn more.
Thank You.
--
Aadeesh S. Bhagwatkar
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