#include "smallwid.h"
#include "ui_smallwid.h"
SmallWid::SmallWid(QWidget *parent) :
QWidget(parent),
ui(new Ui::SmallWid)
{
ui->setupUi(this);
// QSpinBox移动，QSlider跟着移动
void(QSpinBox::* spSignal) (int) = &QSpinBox::valueChanged;
connect(ui->spinBox,spSignal,
ui->horizontalSlider,&QSlider::setValue);
// QSlider滑动，QSpinBox滑动
connect(ui->horizontalSlider, &QSlider::valueChanged,
ui->spinBox,&QSpinBox::setValue);
}
// 设置和获取数字
void SmallWid::setNum(int num)
{
ui->spinBox->setValue(num);
}
int SmallWid::getNum()
{
return ui->spinBox->value();
}
SmallWid::~SmallWid()
{
delete ui;
}
