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hi,

as i m new to qt.I have to show 1 window with menu items,whenever one of the menu item triggered than hav to hide main window & show another widget with small functionality.
I m able to open another widget n hiding main window, but unable to show back the main window after exiting widget.
i m using 2 classes one for main window & another for widget class.

m attaching the code.

ParentChild1.cpp

ParentChild1:arentChild1(QWidget *parent) :
QMainWindow(parent)
{
setupUi(this);
QPixmap logo(":/Touch/onity_logo.png");
label_2->setPixmap(logo);
//SecondWindow *newWind = new SecondWindow;
//newWind->show();
connect(actionTS_Test,SIGNAL(triggered()),this,SLOT(hide()));
connect(actionTS_Test,SIGNAL(triggered()),this,SLOT(tsTest()));

}

void ParentChild1::tsTest()
{
SecondWindow *newWind = new SecondWindow;
newWind->show();
}


ParentChild1.h

class ParentChild1 : public QMainWindow,Ui::Man_test {
Q_OBJECT
public:
ParentChild1(QWidget *parent = 0);
~ParentChild1();

protected:
//void mousePressEvent(QMouseEvent *event);
void changeEvent(QEvent *e);

public slots:
void tsTest();
void back2Main();

private:
//Ui::Man_test *ui;
};

SecondWindow.cpp

SecondWindow:econdWindow()
{
setupUi(this);
setGeometry(0, 0,480,272);
//ParentChild1 *parChild = new ParentChld1;
//connect(pushButton, SIGNAL(clicked()), parChild,SLOT(show()));
//connect(this,SIGNAL(destroyed),ParentChild1,SLOT(show()));
}

SecondWindow.h

class SecondWindow : public QWidget,Ui::Form
{
public:
SecondWindow();
public slots:
//void back2Main();
protected:
void mousePressEvent(QMouseEvent *event);

private slots:
void on_pushButton_clicked();
};


Main.cpp

int main(int argc, char *argv[])
{
QApplication a(argc, argv);
ParentChild1 w;
w.show();
a.setActiveWindow(&w);
//a.setMainWidget(&a);
//a.connect(&w,SIGNAL())
a.connect(&a, SIGNAL(lastWindowClosed()), &a, SLOT(show()));
//a.connect(&a, SIGNAL(lastWindowClosed()),&a,SLOT(quit()));
return a.exec();
}

i m using 2 ui form from designer I think that is not required.

Thanx in advance,

Hi Amleto,

very first thanks 4 replying. n the Child code which u sent me


in this source code
explicit Child(QWidget* parent)
: m_parent(parent)

my parent is window class so shall i make it like

explicit Child(QWindow* parent)
: m_parent(parent)
private:
QWindow* m_parent;

n want to know is there any options by which i can know the destroy signal of child widget b'coz in our case there are two options one is after pressing button child widget we hav to enter into mainwindow, n another is after closing child window.
button is working well but that closing window closes the entire application.

can u suggest me the way of this problem

thanks

Thanks Amleto,

dont we have any chatting community where we can find immediate solution of our problem rather than waiting 12-24 hours.