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 #include "timemarker.h"
32 TimeMarker::TimeMarker(View &view, const QColor &colour, double time) :
38 _updating_value_widget(false)
42 void TimeMarker::init_context_bar_actions(QWidget *parent)
44 _value_widget = new QDoubleSpinBox(parent);
45 _value_widget->setValue(_time);
46 _value_widget->setDecimals(6);
47 _value_widget->setSuffix("s");
48 _value_widget->setSingleStep(1e-6);
50 _value_action = new QWidgetAction(parent);
51 _value_action->setDefaultWidget(_value_widget);
53 connect(_value_widget, SIGNAL(valueChanged(double)),
54 this, SLOT(on_value_changed(double)));
57 double TimeMarker::time() const
62 void TimeMarker::set_time(double time)
65 _updating_value_widget = true;
66 _value_widget->setValue(time);
67 _updating_value_widget = false;
71 void TimeMarker::paint(QPainter &p, const QRect &rect)
73 const float x = (_time - _view.offset()) / _view.scale();
75 p.drawLine(QPointF(x, rect.top()), QPointF(x, rect.bottom()));
78 const list<QAction*> TimeMarker::get_context_bar_actions()
80 list<QAction*> actions;
81 actions.push_back(_value_action);
85 void TimeMarker::on_value_changed(double value)
87 if (!_updating_value_widget) {