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50
51#include "window.h"
52#include "layoutitem.h"
53
54#include <QGraphicsLinearLayout>
55#include <QGraphicsGridLayout>
56
57Window::Window(QGraphicsWidget *parent) : QGraphicsWidget(parent, Qt::Window)
58{
59//! [0]
60 QGraphicsLinearLayout *windowLayout = new QGraphicsLinearLayout(Qt::Vertical);
61 QGraphicsLinearLayout *linear = new QGraphicsLinearLayout(windowLayout);
62 LayoutItem *item = new LayoutItem;
63 linear->addItem(item);
64 linear->setStretchFactor(item, stretch: 1);
65//! [0]
66
67//! [1]
68 item = new LayoutItem;
69 linear->addItem(item);
70 linear->setStretchFactor(item, stretch: 3);
71 windowLayout->addItem(item: linear);
72//! [1]
73
74//! [2]
75 QGraphicsGridLayout *grid = new QGraphicsGridLayout(windowLayout);
76 item = new LayoutItem;
77 grid->addItem(item, row: 0, column: 0, rowSpan: 4, columnSpan: 1);
78 item = new LayoutItem;
79 item->setMaximumHeight(item->minimumHeight());
80 grid->addItem(item, row: 0, column: 1, rowSpan: 2, columnSpan: 1, alignment: Qt::AlignVCenter);
81 item = new LayoutItem;
82 item->setMaximumHeight(item->minimumHeight());
83 grid->addItem(item, row: 2, column: 1, rowSpan: 2, columnSpan: 1, alignment: Qt::AlignVCenter);
84 item = new LayoutItem;
85 grid->addItem(aitem: item, arow: 0, acolumn: 2);
86 item = new LayoutItem;
87 grid->addItem(aitem: item, arow: 1, acolumn: 2);
88 item = new LayoutItem;
89 grid->addItem(aitem: item, arow: 2, acolumn: 2);
90 item = new LayoutItem;
91 grid->addItem(aitem: item, arow: 3, acolumn: 2);
92 windowLayout->addItem(item: grid);
93//! [2]
94
95//! [3]
96 setLayout(windowLayout);
97 setWindowTitle(tr(s: "Basic Graphics Layouts Example"));
98//! [3]
99
100}
101

source code of qtbase/examples/widgets/graphicsview/basicgraphicslayouts/window.cpp