Qt学习笔记6

自定义控件

#include "mywidget.h"
#include "ui_mywidget.h"

mywidget::mywidget(QWidget *parent) :
    QWidget(parent),
    ui(new Ui::mywidget)
{
    ui->setupUi(this);
    //qspinbox 移动,qslider移动
    void(QSpinBox::*f1)(int)=&QSpinBox::valueChanged;
    connect(ui->spinBox,f1,ui->horizontalSlider,&QSlider::setValue);
    void(QSlider::*f2)(int)=&QSlider::valueChanged;
    connect(ui->horizontalSlider,f2,ui->spinBox,&QSpinBox::setValue);

}

mywidget::~mywidget()
{
    delete ui;
}