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    41 

    42 #include "window.h"

    43 #include "layoutitem.h"

    44 

    45 Window::Window(QGraphicsWidget *parent) : QGraphicsWidget(parent, Qt::Window)

    46 {

    47 //! [0]

    48     QGraphicsLinearLayout *windowLayout = new QGraphicsLinearLayout(Qt::Vertical);

    49     QGraphicsLinearLayout *linear = new QGraphicsLinearLayout(windowLayout);

    50     LayoutItem *item = new LayoutItem;

    51     linear->addItem(item);

    52     linear->setStretchFactor(item, 1);

    53 //! [0]

    54 

    55 //! [1]

    56     item = new LayoutItem;

    57     linear->addItem(item);

    58     linear->setStretchFactor(item, 3);

    59     windowLayout->addItem(linear);

    60 //! [1]

    61 

    62 //! [2]

    63     QGraphicsGridLayout *grid = new QGraphicsGridLayout(windowLayout);

    64     item = new LayoutItem;

    65     grid->addItem(item, 0, 0, 4, 1);

    66     item = new LayoutItem;

    67     item->setMaximumHeight(item->minimumHeight());

    68     grid->addItem(item, 0, 1, 2, 1, Qt::AlignVCenter);

    69     item = new LayoutItem;

    70     item->setMaximumHeight(item->minimumHeight());

    71     grid->addItem(item, 2, 1, 2, 1, Qt::AlignVCenter);

    72     item = new LayoutItem;

    73     grid->addItem(item, 0, 2);

    74     item = new LayoutItem;

    75     grid->addItem(item, 1, 2);

    76     item = new LayoutItem;

    77     grid->addItem(item, 2, 2);

    78     item = new LayoutItem;

    79     grid->addItem(item, 3, 2);

    80     windowLayout->addItem(grid);

    81 //! [2]

    82 

    83 //! [3]

    84     setLayout(windowLayout);

    85     setWindowTitle(tr("Basic Graphics Layouts Example"));

    86 //! [3]

    87 

    88 }

    89 

    90 

    91