qt QDockWidget QStackWidget的简单使用

stackdlg.h 

#ifndef STACKDLG_H
#define STACKDLG_H

#include <QtWidgets/QDialog>
#include <QListWidget>
#include <QStackedWidget>
#include <QLabel>
#include "ui_stackdlg.h"

class StackDlg : public QDialog
{
Q_OBJECT

public:
StackDlg(QWidget *parent = 0);
~StackDlg();

private:
Ui::StackDlgClass ui;
QListWidget *list;
QStackedWidget *stack;
QLabel *label1;
QLabel *label2;
QLabel *label3;
};

#endif // STACKDLG_H

stackdlg.cpp 

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

StackDlg::StackDlg(QWidget *parent)
: QDialog(parent)
{
ui.setupUi(this);
setWindowTitle("StackWidget");
list = new QListWidget(this);
list->insertItem(0, "windows1");
list->insertItem(1, "windows2");
list->insertItem(2, "windows3");

label1 = new QLabel("label1");
label2 = new QLabel("label2");
label3 = new QLabel("label3");

stack = new QStackedWidget(this);
stack->addWidget(label1);
stack->addWidget(label2);
stack->addWidget(label3);

QHBoxLayout *mainLayout = new QHBoxLayout(this);
mainLayout->setMargin(5);
mainLayout->setSpacing(5);
mainLayout->addWidget(list);
mainLayout->addWidget(stack, 0, Qt::AlignHCenter);
mainLayout->setStretchFactor(list, 1);
mainLayout->setStretchFactor(stack, 3);

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

StackDlg::~StackDlg()
{

}

qdock.cpp 

#include "qdock.h"
#include <QTextEdit>
#include <QDockWidget>
Qdock::Qdock(QWidget *parent)
: QMainWindow(parent)
{
ui.setupUi(this);
setWindowTitle("Test");
QTextEdit *te = new QTextEdit(this);
te->setText("Main Window");
te->setAlignment(Qt::AlignCenter);
setCentralWidget(te);

QDockWidget *dock = new QDockWidget("Dock Window1", this);
dock->setFeatures(QDockWidget::DockWidgetMovable);
dock->setAllowedAreas(Qt::LeftDockWidgetArea | Qt::RightDockWidgetArea);
QTextEdit *te1 = new QTextEdit;
te1->setText("Dock Window1");
dock->setWidget(te1);
addDockWidget(Qt::RightDockWidgetArea, dock);

dock = new QDockWidget("Dock Window2", this);
dock->setFeatures(QDockWidget::DockWidgetClosable | QDockWidget::DockWidgetFloatable);
QTextEdit *te2 = new QTextEdit;
te2->setText("Dock Window2");
dock->setWidget(te2);
addDockWidget(Qt::RightDockWidgetArea, dock);

dock = new QDockWidget("Dock Window3", this);
dock->setFeatures(QDockWidget::AllDockWidgetFeatures);
QTextEdit *te3 = new QTextEdit;
te3->setText("Dock Windo3");
dock->setWidget(te3);
addDockWidget(Qt::RightDockWidgetArea, dock);

}

Qdock::~Qdock()
{

}