]> sigrok.org Git - pulseview.git/blobdiff - pv/view/viewport.h
Moved view classes into the pv::view:: namespace
[pulseview.git] / pv / view / viewport.h
diff --git a/pv/view/viewport.h b/pv/view/viewport.h
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+/*
+ * This file is part of the sigrok project.
+ *
+ * Copyright (C) 2012 Joel Holdsworth <joel@airwebreathe.org.uk>
+ *
+ * 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 St, Fifth Floor, Boston, MA  02110-1301 USA
+ */
+
+#ifndef PV_VIEW_VIEWPORT_H
+#define PV_VIEW_VIEWPORT_H
+
+#include <QtOpenGL/QGLWidget>
+#include <QTimer>
+
+class QPainter;
+class QPaintEvent;
+class SigSession;
+
+namespace pv {
+namespace view {
+
+class View;
+
+class Viewport : public QGLWidget
+{
+       Q_OBJECT
+
+private:
+       static const int SignalHeight;
+
+       static const int MinorTickSubdivision;
+       static const int ScaleUnits[3];
+
+       static const QString SIPrefixes[9];
+       static const int FirstSIPrefixPower;
+
+public:
+       explicit Viewport(View &parent);
+
+       int get_total_height() const;
+
+protected:
+       void initializeGL();
+
+       void resizeGL(int width, int height);
+
+       void paintEvent(QPaintEvent *event);
+
+private:
+       void mousePressEvent(QMouseEvent *event);
+       void mouseMoveEvent(QMouseEvent *event);
+       void mouseReleaseEvent(QMouseEvent *event);
+       void wheelEvent(QWheelEvent *event);
+
+private:
+       void setup_viewport(int width, int height);
+
+       void paint_ruler(QPainter &p);
+
+private:
+       View &_view;
+
+       QPoint _mouse_down_point;
+       double _mouse_down_offset;
+};
+
+} // namespace view
+} // namespace pv
+
+#endif // PV_VIEW_VIEWPORT_H