--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/mainwindow.cpp	Mon Mar 23 12:41:52 2015 +0100
@@ -0,0 +1,117 @@
+/* Copyright (C) 2014 by Intevation GmbH
+ *
+ * This file is Free Software under the GNU GPL (v>=2)
+ * and comes with ABSOLUTELY NO WARRANTY!
+ * See LICENSE.txt for details.
+ */
+
+/** @file See mainwindow.h */
+#include "mainwindow.h"
+
+#include "constants.h"
+
+#include <QDebug>
+#include <QDialog>
+#include <QWidget>
+#include <QHBoxLayout>
+#include <QLabel>
+#include <QPushButton>
+#include <QDir>
+#include <QFileDialog>
+#include <QMessageBox>
+#include <QApplication>
+#include <QDragEnterEvent>
+#include <QDragLeaveEvent>
+#include <QDropEvent>
+#include <QDragMoveEvent>
+#include <QMimeData>
+#include <QStandardPaths>
+#include <QStyle>
+#include <QStatusBar>
+
+MainWindow::MainWindow() :
+    mHasValidFolder(false)
+{
+    setStatusBar(new QStatusBar());
+
+    setupGUI();
+    readSettings();
+    setAcceptDrops(true);
+    //QIcon windowIcon = QIcon(":/icon-64.png");
+    //setWindowIcon(windowIcon);
+
+}
+
+void MainWindow::setupGUI()
+{
+}
+
+void MainWindow::showErrorMessage(const QString& errMsg) {
+    QMessageBox::warning(this, tr("Error!"), errMsg);
+    statusBar()->showMessage(errMsg);
+}
+
+void MainWindow::closeEvent(QCloseEvent *event) {
+    mSettings.setValue("geometry", saveGeometry());
+    mSettings.setValue("windowState", saveState());
+    QMainWindow::closeEvent(event);
+}
+
+void MainWindow::readSettings() {
+    restoreGeometry(mSettings.value("geometry").toByteArray());
+    restoreState(mSettings.value("windowState").toByteArray());
+}
+
+void MainWindow::dragEnterEvent(QDragEnterEvent *event)
+{
+    if (event->mimeData()->hasUrls()) {
+        foreach (const QUrl & url, event->mimeData()->urls()) {
+            if (url.isLocalFile()) {
+                event->acceptProposedAction();
+                return;
+            }
+        }
+    }
+}
+
+void MainWindow::dragMoveEvent(QDragMoveEvent *event)
+{
+    if (event->mimeData()->hasUrls()) {
+        foreach (const QUrl & url, event->mimeData()->urls()) {
+            if (url.isLocalFile()) {
+                event->acceptProposedAction();
+                return;
+            }
+        }
+    }
+}
+
+void MainWindow::dropEvent(QDropEvent *event)
+{
+    const QMimeData *mimeData = event->mimeData();
+
+    if (mimeData->hasUrls()) {
+        foreach (const QUrl & url, mimeData->urls()) {
+            if (!url.isLocalFile()) {
+                qDebug() << "Ignoring drop of " << url;
+                continue;
+            }
+        }
+    }
+}
+
+void MainWindow::dragLeaveEvent(QDragLeaveEvent *event)
+{
+    event->accept();
+}
+
+void MainWindow::setFolder(const QString& folder)
+{
+    QFileInfo fi(folder);
+    if (!fi.isDir() || !fi.isReadable()) {
+        showErrorMessage(tr("Failed to access directory: '%1'").arg(folder));
+    }
+    QDir dir = QDir(folder);
+
+    // TODO;
+}