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
23 #include "sigsession.h"
26 #include <QMouseEvent>
28 #include <boost/foreach.hpp>
30 using namespace boost;
33 const int SigView::SignalHeight = 50;
35 SigView::SigView(SigSession &session, QWidget *parent) :
41 connect(&_session, SIGNAL(dataUpdated()),
42 this, SLOT(dataUpdated()));
44 setMouseTracking(true);
47 void SigView::initializeGL()
49 glDisable(GL_TEXTURE_2D);
50 glDisable(GL_DEPTH_TEST);
51 glDisable(GL_COLOR_MATERIAL);
53 glEnable(GL_POLYGON_SMOOTH);
54 glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
55 glClearColor(1.0, 1.0, 1.0, 0);
58 void SigView::resizeGL(int width, int height)
60 glViewport(0, 0, (GLint)width, (GLint)height);
61 glMatrixMode(GL_PROJECTION);
63 glOrtho(0, width, height, 0, -1, 1);
64 glMatrixMode(GL_MODELVIEW);
67 void SigView::paintGL()
69 glClear(GL_COLOR_BUFFER_BIT);
71 QRect rect(0, 0, width(), SignalHeight);
72 const vector< shared_ptr<Signal> > &sigs =
73 _session.get_signals();
74 BOOST_FOREACH(const shared_ptr<Signal> s, sigs)
77 s->paint(*this, rect, _scale, _offset);
78 rect.translate(0, SignalHeight);
82 void SigView::dataUpdated()
87 void SigView::mouseMoveEvent(QMouseEvent *event)
92 void SigView::mousePressEvent(QMouseEvent *event)
97 void SigView::mouseReleaseEvent(QMouseEvent *event)
101 const double cursor_offset = _offset + _scale * (double)event->x();
103 switch(event->button())
109 case Qt::RightButton:
114 _offset = cursor_offset - _scale * (double)event->x();