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50
51/*
52 main.cpp
53
54 A simple example that shows a multi-column list using QTreeView.
55 The data is not a tree, so the first column was made movable.
56*/
57
58#include <QApplication>
59#include <QHeaderView>
60#include <QStandardItemModel>
61#include <QTreeView>
62
63int main(int argc, char *argv[])
64{
65 QApplication app(argc, argv);
66
67 QStandardItemModel model(4, 2);
68 QTreeView treeView;
69 treeView.setModel(&model);
70 treeView.setRootIsDecorated(false);
71 treeView.header()->setFirstSectionMovable(true);
72 treeView.header()->setStretchLastSection(true);
73
74 for (int row = 0; row < 4; ++row) {
75 for (int column = 0; column < 2; ++column) {
76 QModelIndex index = model.index(row, column, parent: QModelIndex());
77 model.setData(index, value: QVariant((row + 1) * (column + 1)));
78 }
79 }
80
81 treeView.setWindowTitle(QObject::tr(s: "Flat Tree View"));
82 treeView.show();
83 return app.exec();
84}
85

source code of qtbase/examples/widgets/itemviews/flattreeview/main.cpp