2 * This file is part of the sigrok project.
4 * Copyright (C) 2012 Joel Holdsworth <joel@airwebreathe.org.uk>
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
26 #include <QAbstractScrollArea>
31 class SigView : public QAbstractScrollArea {
35 static const double MaxScale;
36 static const double MinScale;
38 static const int LabelMarginWidth;
39 static const int RulerHeight;
42 explicit SigView(SigSession &session, QWidget *parent = 0);
45 double offset() const;
48 void zoom(double steps);
50 void set_scale_offset(double scale, double offset);
55 void zoom(double steps, int offset);
58 bool viewportEvent(QEvent *e);
60 void resizeEvent(QResizeEvent *e);
63 void h_scroll_value_changed(int value);
64 void v_scroll_value_changed(int value);
71 SigViewport *_viewport;
73 uint64_t _data_length;
80 friend class SigViewport;