basic navigation

include/window.h

@@ -1,17 +1,22 @@
 #pragma once
 
 #include <QWidget>
+#include <QModelIndex>
+
 
 class QPushButton;
 class QListView;
-class QStandardItemModel;
+class QFileSystemModel;
 
 class Window : public QWidget {
- public:
-  explicit Window(QWidget *parent = 0);
+public:
+	explicit Window(QWidget *parent = 0);
 
- private:
-  QPushButton *mButton;
-  QListView *mListView;
-	QStandardItemModel *mModel;
+public slots:
+	void changeIndex(const QModelIndex& index);
+	
+private:
+	QPushButton *mButton;
+	QListView *mListView;
+	QFileSystemModel *mModel;
 };

src/window.cpp

@@ -3,18 +3,31 @@
 #include <QPushButton>
 #include <QListView>
 #include <QStandardItemModel>
+#include <QFileSystemModel>
 #include <QString>
+#include <QHBoxLayout>
 
 Window::Window(QWidget *parent) :
 	QWidget(parent)
 {
+	QHBoxLayout* splitter = new QHBoxLayout(this);
 	mListView = new QListView(this);
-	mButton = new QPushButton("add", this);
+	splitter->addWidget(mListView);
+	this->setLayout(splitter);
+	//mButton = new QPushButton("add", this);
 
-	mModel = new QStandardItemModel();
+	mModel = new QFileSystemModel();
 	mListView->setModel(mModel);
 
-	for (int i = 1; i <= 10; ++i) {
-		mModel->appendRow(new QStandardItem(QString(i)));
+	mModel->setRootPath("/home/user/");
+	mListView->setRootIndex(mModel->index("/home/user/"));
+
+	QObject::connect(mListView, &QListView::doubleClicked,
+	                 this, &Window::changeIndex);
+}
+
+void Window::changeIndex(const QModelIndex& index) {
+	if (mModel->isDir(index)) {
+		mListView->setRootIndex(index);
 	}
 }