2 * This file is part of the PulseView 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
21 #ifndef PV_VIEW_VIEW_H
22 #define PV_VIEW_VIEW_H
26 #include <QAbstractScrollArea>
37 class View : public QAbstractScrollArea {
41 static const double MaxScale;
42 static const double MinScale;
44 static const int LabelMarginWidth;
45 static const int RulerHeight;
47 static const int MaxScrollValue;
50 static const int SignalHeight;
53 explicit View(SigSession &session, QWidget *parent = 0);
55 SigSession& session();
58 double offset() const;
61 void zoom(double steps);
62 void zoom(double steps, int offset);
64 void set_scale_offset(double scale, double offset);
67 void get_scroll_layout(double &length, double &offset) const;
72 bool viewportEvent(QEvent *e);
74 void resizeEvent(QResizeEvent *e);
77 void h_scroll_value_changed(int value);
78 void v_scroll_value_changed(int value);
89 uint64_t _data_length;
100 #endif // PV_VIEW_VIEW_H