faultrecorderform.ui.h

Linux下的qt编程示例

/****************************************************************************
** ui.h extension file, included from the uic-generated form implementation.
**
** If you wish to add, delete or rename functions or slots use
** Qt Designer which will update this file, preserving your code. Create an
** init() function in place of a constructor, and a destroy() function in
** place of a destructor.
*****************************************************************************/
QString Faut[3];
void FaultrecorderForm::init()
{
    QDir::setCurrent("/root/FaultRecorder/");
    QFile file( "faut_ratedvalue.DAT" );
    file.open( IO_ReadOnly );
    QTextStream stream( &file );
    stream>>Faut[0];
    stream>>Faut[1];
    stream>>Faut[2];
    lineEdit0->setText(Faut[0]);
    lineEdit1->setText(Faut[1]);
    lineEdit2->setText(Faut[2]);
    
    lineEdit0->setEnabled(FALSE);
    lineEdit1->setEnabled(FALSE);
    lineEdit2->setEnabled(FALSE);
    savepushButton->setEnabled(FALSE);
    
    file.close();
}
//定值修改;
void FaultrecorderForm::edit()
{
    lineEdit0->setEnabled(TRUE);
    lineEdit1->setEnabled(TRUE);
    lineEdit2->setEnabled(TRUE);
    savepushButton->setEnabled(TRUE);
}
//定值保存;
void FaultrecorderForm::save()
{
    QDir::setCurrent("/root/FaultRecorder/");
    QFile file( "faut_ratedvalue.DAT" );
    file.open( IO_WriteOnly );
    QTextStream stream( &file );
    Faut[0] = lineEdit0->text();
    if (Faut[0] == ""){
	Faut[0] = "0";
    }
    Faut[1] = lineEdit1->text();
    if (Faut[1] == ""){
	Faut[1] = "0";
    }
    Faut[2] = lineEdit2->text();
    if (Faut[2] == ""){
	Faut[2] = "0";
    }
    stream<<Faut[0];
    stream<<"\n";
    stream<<Faut[1];
    stream<<"\n";
    stream<<Faut[2];
    stream<<"\n";
    
    lineEdit0->setEnabled(FALSE);
    lineEdit1->setEnabled(FALSE);
    lineEdit2->setEnabled(FALSE);
    savepushButton->setEnabled(FALSE);
    file.close();
}