qt QSplitter分割窗口

#include <QApplication>
#include <QFont>
#include <QTextEdit>
#include <QSplitter>

int main(int argc, char *argv[])
{
QApplication a(argc, argv);
QSplitter *splitterMain = new QSplitter(Qt::Horizontal, 0);
QTextEdit *textLeft = new QTextEdit("Left", splitterMain);
//splitterMain->setDisabled(true);            //设置是否可移动
textLeft->setAlignment(Qt::AlignCenter);

QSplitter *splitterRight = new QSplitter(Qt::Vertical, splitterMain);
//splitterRight->setDisabled(true);
QTextEdit *textTop = new QTextEdit("top", splitterRight);
textTop->setAlignment(Qt::AlignCenter);

QTextEdit *textButton = new QTextEdit("bottom", splitterRight);
textButton->setAlignment(Qt::AlignCenter);

splitterMain->setStretchFactor(0, 1);
splitterMain->setStretchFactor(1, 1);
splitterMain->setWindowTitle("hi");
splitterMain->show();
return a.exec();
}