1 files changed, 78 insertions, 0 deletions
diff --git a/chalk/ui/imageviewer.cc b/chalk/ui/imageviewer.cc
new file mode 100644
index 00000000..b6d94ed9
--- /dev/null
+++ b/chalk/ui/imageviewer.cc
@@ -0,0 +1,78 @@
+/***************************************************************************
+ *   Copyright (C) 2005 Eyal Lotem <eyal.lotem@gmail.com>                  *
+ *   Copyright (C) 2005 Alexandre Oliveira <aleprj@gmail.com>              *
+ *   Copyright (C) 2006 Cyrille Berger <cberger@cberger.net>               *
+ *                                                                         *
+ *   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; either version 2 of the License, or     *
+ *   (at your option) any later version.                                   *
+ *                                                                         *
+ *   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.,                                       *
+ *   51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.          *
+ ***************************************************************************/
+#include "imageviewer.h"
+
+#include <tqlabel.h>
+#include <tqpainter.h>
+#include <tqimage.h>
+#include <tqcursor.h>
+
+#include <kapplication.h>
+#include <kdebug.h>
+#include <kis_cursor.h>
+
+ImageViewer::ImageViewer(TQWidget *widget, const char * name)
+    : TQScrollView(widget, name)
+    , m_isDragging(false)
+    , m_image(TQPixmap())
+{
+    m_label = new TQLabel( viewport());
+    tqsetSizePolicy(TQSizePolicy::MinimumExpanding, TQSizePolicy::MinimumExpanding);
+    setCursor(KisCursor::handCursor());
+    addChild(m_label);
+}
+
+void ImageViewer::setImage(TQImage & image)
+{
+    m_image = TQPixmap(image);
+    m_label->setPixmap(m_image);
+    resizeContents( m_image.width(), m_image.height() );
+    tqrepaintContents(false);
+}
+
+void ImageViewer::contentsMousePressEvent(TQMouseEvent *event)
+{
+    if(Qt::LeftButton == event->button()) {
+        setCursor(KisCursor::closedHandCursor());
+        m_currentPos = event->globalPos();
+        m_isDragging = true;
+    }
+}
+
+void ImageViewer::contentsMouseReleaseEvent(TQMouseEvent *event)
+{
+    if(Qt::LeftButton == event->button()) {
+        setCursor(KisCursor::handCursor());
+        m_currentPos = event->globalPos();
+        m_isDragging = false;
+    }
+}
+
+void ImageViewer::contentsMouseMoveEvent(TQMouseEvent *event)
+{
+    if(m_isDragging) {
+        TQPoint delta = m_currentPos - event->globalPos();
+        scrollBy(delta.x(), delta.y());
+        m_currentPos = event->globalPos();
+    }
+}
+
+#include "imageviewer.moc"