diff -r ddf020d0941a -r fdfc01419815 QTfrontend/ui/widget/drawmapwidget.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/QTfrontend/ui/widget/drawmapwidget.cpp	Wed Sep 28 19:27:56 2011 +0200
@@ -0,0 +1,106 @@
+/*
+ * Hedgewars, a free turn based strategy game
+ * Copyright (c) 2011 Andrey Korotaev <unC0Rr@gmail.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
+ */
+
+#include <QFile>
+#include <QMessageBox>
+#include <QEvent>
+
+#include "drawmapwidget.h"
+
+DrawMapWidget::DrawMapWidget(QWidget *parent) :
+    QWidget(parent),
+    ui(new Ui::DrawMapWidget)
+{
+    ui->setupUi(this);
+
+    m_scene = 0;
+}
+
+DrawMapWidget::~DrawMapWidget()
+{
+    delete ui;
+}
+
+void DrawMapWidget::changeEvent(QEvent *e)
+{
+    QWidget::changeEvent(e);
+    switch (e->type()) {
+    case QEvent::LanguageChange:
+        ui->retranslateUi(this);
+        break;
+    default:
+        break;
+    }
+}
+
+void DrawMapWidget::setScene(DrawMapScene * scene)
+{
+    ui->graphicsView->setScene(scene);
+    m_scene = scene;
+}
+
+void DrawMapWidget::resizeEvent(QResizeEvent * event)
+{
+    Q_UNUSED(event);
+
+    if(ui->graphicsView && ui->graphicsView->scene())
+        ui->graphicsView->fitInView(ui->graphicsView->scene()->sceneRect(), Qt::KeepAspectRatio);
+}
+
+void DrawMapWidget::showEvent(QShowEvent * event)
+{
+    Q_UNUSED(event);
+
+    resizeEvent(0);
+}
+
+void DrawMapWidget::undo()
+{
+    if(m_scene) m_scene->undo();
+}
+
+void DrawMapWidget::clear()
+{
+    if(m_scene) m_scene->clearMap();
+}
+
+void DrawMapWidget::save(const QString & fileName)
+{
+    if(m_scene)
+    {
+        QFile file(fileName);
+
+        if(!file.open(QIODevice::WriteOnly))
+            QMessageBox::warning(this, tr("File error"), tr("Cannot open file '%1' for writing").arg(fileName));
+        else
+            file.write(qCompress(m_scene->encode()).toBase64());
+    }
+}
+
+void DrawMapWidget::load(const QString & fileName)
+{
+    if(m_scene)
+    {
+        QFile f(fileName);
+
+        if(!f.open(QIODevice::ReadOnly))
+            QMessageBox::warning(this, tr("File error"), tr("Cannot read file '%1'").arg(fileName));
+        else
+            m_scene->decode(qUncompress(QByteArray::fromBase64(f.readAll())));
+    }
+}