Russian Qt Forum

C++ (Qt)
    QTabBar *leftTabs   = new QTabBar;
    QTabBar *rightTabs  = new QTabBar;
    QTabBar *topTabs    = new QTabBar;
    QTabBar *bottomTabs = new QTabBar;
 
    //настраиваем табвиджеты-------------------------
    leftTabs->setShape(QTabBar::RoundedEast);
    rightTabs->setShape(QTabBar::RoundedWest);
    topTabs->setShape(QTabBar::RoundedSouth);
    bottomTabs->setShape(QTabBar::RoundedNorth);
 
    leftTabs->addTab("Aaaaaaaaaa");
    leftTabs->addTab("Bbbbbbbbbb");
    rightTabs->addTab("Aaaaaaaaaa");
    rightTabs->addTab("Bbbbbbbbbb");
    topTabs->addTab("Aaaaaaaaaa");
    topTabs->addTab("Bbbbbbbbbb");
    bottomTabs->addTab("Aaaaaaaaaa");
    bottomTabs->addTab("Bbbbbbbbbb");
    //---------------------------------------------------
 
    QWidget *central = new QWidget;
    central->setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Expanding);
 
    QGridLayout *gridLayout = new QGridLayout;
    gridLayout->setSpacing(0);
    gridLayout->setContentsMargins(0, 0, 0, 0);
    gridLayout->addWidget(topTabs,    0, 0, 1, 3);
    gridLayout->addWidget(leftTabs,   1, 0, 1, 1);
    gridLayout->addWidget(central,    1, 1, 1, 1);
    gridLayout->addWidget(rightTabs,  1, 2, 1, 1);
    gridLayout->addWidget(bottomTabs, 2, 0, 1, 3);
 
    setLayout(gridLayout);
 
    //заменяем центральный виджет:
    QWidget *newcentral = new QWidget;
    newcentral->setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Expanding);
    gridLayout->replaceWidget(central, newcentral);
 

C++ (Qt)
central->setVisible(false);