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 PULSEVIEW_PV_VIEW_VIEWPORT_H
22 #define PULSEVIEW_PV_VIEW_VIEWPORT_H
36 class Viewport : public QWidget
41 explicit Viewport(View &parent);
43 int get_total_height() const;
46 void paintEvent(QPaintEvent *event);
49 void mousePressEvent(QMouseEvent *event);
50 void mouseMoveEvent(QMouseEvent *event);
51 void wheelEvent(QWheelEvent *event);
54 void draw_cursors_background(QPainter &p);
56 void draw_cursors_foreground(QPainter &p);
59 void on_signals_moved();
64 QPoint _mouse_down_point;
65 double _mouse_down_offset;
71 #endif // PULSEVIEW_PV_VIEW_VIEWPORT_H