calculatorform.cpp

qt类库是非微软类库

#include<QtUiTools>
#include<QtGui>
#include "calculatorform.h"
CalculatorForm::CalculatorForm(QWidget *parent)
     : QWidget(parent)
 {
     QUiLoader loader;

     QFile file(":/forms/calculatorform.ui");
     file.open(QFile::ReadOnly);
     QWidget *formWidget = loader.load(&file, this);
     file.close();

     ui_inputSpinBox1 = qFindChild<QSpinBox*>(this, "inputSpinBox1");
     ui_inputSpinBox2 = qFindChild<QSpinBox*>(this, "inputSpinBox2");
     ui_outputWidget =  qFindChild<QLabel*>(this, "outputWidget");

     QMetaObject::connectSlotsByName(this);
     QVBoxLayout *layout = new QVBoxLayout;
     layout->addWidget(formWidget);
     setLayout(layout);

     setWindowTitle(tr("Calculator Builder"));
 }

 void CalculatorForm::on_inputSpinBox1_valueChanged(int value)
 {
     ui_outputWidget->setText(QString::number(value + ui_inputSpinBox2->value()));
 }

 void CalculatorForm::on_inputSpinBox2_valueChanged(int value)
 {
     ui_outputWidget->setText(QString::number(value + ui_inputSpinBox1->value()));
 }