随便写的例子cpp文件, 楼主可以试试
深入点的把action换成拖拽 和区域检测
#include "mainwindow.h"
#include "ui_mainwindow.h"
MainWindow::MainWindow(QWidget *parent) :
QMainWindow(parent),
ui(new Ui::MainWindow)
{
ui->setupUi(this);
this->resize(600,400);
m_box1 = new QGroupBox("显示窗口1");
m_box2 = new QGroupBox("显示窗口2");
m_box3 = new QGroupBox("显示窗口3");
m_box1->setWindowTitle(m_box1->title());
m_box2->setWindowTitle(m_box2->title());
m_box3->setWindowTitle(m_box3->title());
ui->centralWidget->layout()->addWidget(m_box1);
ui->centralWidget->layout()->addWidget(m_box2);
ui->centralWidget->layout()->addWidget(m_box3);
}
MainWindow::~MainWindow()
{
delete ui;
}
void MainWindow::on_action_1_triggered()
{
m_box1->setParent(0);
m_box1->showNormal();
}
void MainWindow::on_action_2_triggered()
{
m_box1->setParent(this);
ui->centralWidget->layout()->addWidget(m_box1);
}