#include <QApplication>
#include <QWidget>
#include <QTreeWidget>
#include <QTreeWidgetItem>
#include <QVBoxLayout>
#include <QDebug>
class MyWidget : public QWidget {
Q_OBJECT
public:
MyWidget(QWidget *parent = nullptr) : QWidget(parent) {
QVBoxLayout *layout = new QVBoxLayout(this);
QTreeWidget *treeWidget = new QTreeWidget(this);
QTreeWidgetItem *rootItem = new QTreeWidgetItem(treeWidget);
rootItem->setText(0, "Root Node");
QTreeWidgetItem *childItem = new QTreeWidgetItem(rootItem);
childItem->setText(0, "Child Node");
treeWidget->addTopLevelItem(rootItem);
connect(treeWidget, SIGNAL(itemClicked(QTreeWidgetItem*, int)), this, SLOT(onItemClicked(QTreeWidgetItem*, int)));
layout->addWidget(treeWidget);
setLayout(layout);
}
private slots:
void onItemClicked(QTreeWidgetItem *item, int column) {
qDebug() << "Selected Node:" << item->text(column);
}
};
int main(int argc, char *argv[]) {
QApplication app(argc, argv);
MyWidget widget;
widget.setWindowTitle("QTreeWidget Example");
widget.show();
return app.exec();
}
#include "main.moc"
