frequenceform.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.
*****************************************************************************/
double Fre[3];
void FrequenceForm::init()
{
    QString str;
    fstream file;
    file.open("/root/FaultRecorder/freq_ratedvalue.DAT");
    file>>Fre[0];
    file>>Fre[1];
    file>>Fre[2];
    file.close();
    
    str = QString ("%0").arg(Fre[0], 0, 'f', 4);
    LineEdit0->setText( str );
    str = QString ("%0").arg(Fre[1], 0, 'f', 4);
    LineEdit1->setText( str );
    str = QString ("%0").arg(Fre[2], 0, 'f', 4);
    LineEdit2->setText( str );
    
    pushButton0->setEnabled(FALSE);
    pushButton1->setEnabled(FALSE);
    pushButton2->setEnabled(FALSE);
    LineEdit0->setEnabled(FALSE);
    LineEdit1->setEnabled(FALSE);
    LineEdit2->setEnabled(FALSE);
    savePushButton->setEnabled(FALSE);
}

//修改定值;
void FrequenceForm::edit()
{
    savePushButton->setEnabled(TRUE);
    pushButton0->setEnabled(TRUE);
    pushButton1->setEnabled(TRUE);
    pushButton2->setEnabled(TRUE);
    LineEdit0->setEnabled(TRUE);
    LineEdit1->setEnabled(TRUE);
    LineEdit2->setEnabled(TRUE);
}
//用数字键盘输入定值;
void FrequenceForm::pushButton0_edit()
{
    QString str;
    DataKeyboard_Form*datakeyboard_Form = new DataKeyboard_Form(this,"数字键盘",FALSE);
    datakeyboard_Form->exec();
    str = datakeyboard_Form->returnNumber();
    LineEdit0->setText( str );
}
void FrequenceForm::pushButton1_edit()
{
    QString str;
    DataKeyboard_Form*datakeyboard_Form = new DataKeyboard_Form(this,"数字键盘",FALSE);
    datakeyboard_Form->exec();
    str = datakeyboard_Form->returnNumber();
    LineEdit1->setText( str );
}
void FrequenceForm::pushButton2_edit()
{
    QString str;
    DataKeyboard_Form*datakeyboard_Form = new DataKeyboard_Form(this,"数字键盘",FALSE);
    datakeyboard_Form->exec();
    str = datakeyboard_Form->returnNumber();
    LineEdit2->setText( str );
}

//定值保存;
void FrequenceForm::save()
{
    QString str;
    str = LineEdit0->text();
    Fre[0] = atof(str);
    str = LineEdit1->text();
    Fre[1] = atof(str);
    str = LineEdit2->text();
    Fre[2] = atof(str);
    
    fstream file;
    file.open("/root/FaultRecorder/freq_ratedvalue.DAT");
    file<<Fre[0];
    file<<"\n";
    file<<Fre[1];
    file<<"\n";
    file<<Fre[2];
    file<<"\n";
    file.close();
    
    pushButton0->setEnabled(FALSE);
    pushButton1->setEnabled(FALSE);
    pushButton2->setEnabled(FALSE);
    LineEdit0->setEnabled(FALSE);
    LineEdit1->setEnabled(FALSE);
    LineEdit2->setEnabled(FALSE);
    savePushButton->setEnabled(FALSE);
}