#ifndef MAINWINDOW_H
#define MAINWINDOW_H
#include <QMainWindow>
#include <QTreeWidgetItem>
namespace Ui {
class MainWindow;
}
class MainWindow : public QMainWindow
{
Q_OBJECT
private:
QTreeWidgetItem * current;
public:
void open (QString s);
void add (QString s);
void close ();
public:
explicit MainWindow(QWidget *parent = 0);
~MainWindow();
private slots:
void on_pushButton_clicked();
private:
Ui::MainWindow *ui;
};
#endif // MAINWINDOW_H
#include "mainwindow.h"
#include "ui_mainwindow.h"
void MainWindow::open(QString s)
{
QTreeWidgetItem * item = new QTreeWidgetItem;
item->setText (0, s);
item->setForeground (0, QColor ("blue"));
if (current == nullptr)
ui->treeWidget->addTopLevelItem (item);
else
current->addChild (item);
current = item;
}
void MainWindow::add(QString s)
{
open (s);
close ();
}
void MainWindow::close()
{
if (current != nullptr)
current = current->parent();
}
MainWindow::MainWindow(QWidget *parent) :
QMainWindow(parent),
ui(new Ui::MainWindow)
{
current = nullptr;
ui->setupUi(this);
}
MainWindow::~MainWindow()
{
delete ui;
}
#include <QDir>
void MainWindow::on_pushButton_clicked()
{
QDir dir ("..");
open (dir.absolutePath());
auto list = dir.entryInfoList();
for (auto item : list)
{
add (item.fileName());
}
close ();
/*
open ("Abc");
open ("Def");
open ("Klm");
add ("something");
close ();
add ("another");
close ();
close ();
*/
}