Qt - SpinBox

keyboard +/- 는 1씩 증가 PgUp / PgDn 은 10씩 증가

.h

#pragma once

#include <QtWidgets/QDialog>
#include "ui_QtWidgetsApp.h"
#include <QString>

class QtWidgetsApp_1 : public QDialog
{
    Q_OBJECT

public:
    QtWidgetsApp_1(QWidget *parent = Q_NULLPTR);

private:
    Ui::QtWidgetsApp_1Class ui;

public slots:
    void btn_run_clicked();
};

 

- spinbox값을 label에 표시하기 위한 명령어

ui.lbl_age->setText(ui.spinbox_age->cleanText());

.cpp

#include "QtWidgetsApp.h"

QtWidgetsApp_1::QtWidgetsApp_1(QWidget *parent) : QDialog(parent)
{
  
    ui.setupUi(this);
    connect(ui.btn_run, SIGNAL(clicked()), this, SLOT(btn_run_clicked()));
    
}

// 버튼 1
void QtWidgetsApp_1::btn_run_clicked()
{
    QString str;
    str.append(QString::fromLocal8Bit("당신의 나이는 ")); 
    //str.append(" \n"); 
    str.append(QString("%1").arg(ui.spinbox->cleanText()));
    str.append(QString::fromLocal8Bit("살 입니다."));
    ui.lbl_age->setText(str);
}