QT 5 初学1 多窗口切分

QT       += core gui
greaterThan(QT_MAJOR_VERSION, 4): QT += widgets

// main.cpp
//include "mainwindow.h"
include <QApplication>
include <QSplitter>
include <QTextEdit>

int main(int argc, char *argv[])
{
QApplication a(argc, argv);

QSplitter *pSpliter = new QSplitter(Qt::Horizontal);

QTextEdit* pLeftEdt = new QTextEdit;
pLeftEdt->setText(QObject::tr("左窗口"));
pLeftEdt->setDisabled(false);  //测试显示状态

QTextEdit* pRightEdt = new QTextEdit;
pRightEdt->setText(QObject::tr("右窗口"));
pRightEdt->setDisabled(true); //通常这里可能放其他东西，而不是编辑内容

pSpliter->addWidget(pLeftEdt);
pSpliter->addWidget(pRightEdt);

pSpliter->setStretchFactor(0, 1);//下面两句设置左右两列的宽度比为1：4
pSpliter->setStretchFactor(1, 4);

pSpliter->setWindowTitle(QObject::tr("Split-Wnd Demo1"));
pSpliter->show();

//MainWindow w;
//w.show();

return a.exec();
}