【Qt】StackedWidget

#include<QHBoxLayout>
#include "stackdlg.h"

StackDlg::StackDlg(QWidget *parent)
: QDialog(parent)
{
setWindowTitle(tr("StackedWidget"));
list=new QListWidget(this);
list->insertItem(0,tr("Window1"));//在新建的QListWidget插入3个条目
list->insertItem(1,tr("Window2"));
list->insertItem(2,tr("Window3"));

label1=new QLabel(tr("WindowTest1"));//作为堆栈窗口所需的三层窗体
label2=new QLabel(tr("WindowTest2"));
label3=new QLabel(tr("WindowTest3"));

stack=new QStackedWidget(this);//依次插入
stack->addWidget(label1);
stack->addWidget(label2);
stack->addWidget(label3);

QHBoxLayout *mainLayout=new QHBoxLayout(this);//进行布局
mainLayout->setMargin(5);//设定对话框的边距为5
mainLayout->setSpacing(5);//设定各个控件之间的距离为5
mainLayout->addWidget(list);
mainLayout->addWidget(stack,0,Qt::AlignHCenter);
mainLayout->setStretchFactor(list,1);//设定可伸缩控件
mainLayout->setStretchFactor(stack,3);

connect(list,SIGNAL(currentRowChanged(int)),stack,SLOT(setCurrentIndex(int)));
}

StackDlg::~StackDlg()
{

}