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
25 #include "timemarker.hpp"
29 #include <QFormLayout>
32 #include <pv/util.hpp>
33 #include <pv/widgets/popup.hpp>
41 const int TimeMarker::ArrowSize = 4;
42 const int TimeMarker::Offset = 1;
44 TimeMarker::TimeMarker(View &view, const QColor &colour, double time) :
50 updating_value_widget_(false)
54 double TimeMarker::time() const
59 float TimeMarker::get_x() const
61 return (time_ - view_.offset()) / view_.scale();
64 QPoint TimeMarker::point() const
66 return QPoint(get_x(), 0);
69 void TimeMarker::set_time(double time)
74 updating_value_widget_ = true;
75 value_widget_->setValue(time);
76 updating_value_widget_ = false;
82 void TimeMarker::paint(QPainter &p, const QRect &rect)
84 const float x = get_x();
85 p.setPen(colour_.darker());
86 p.drawLine(QPointF(x, rect.top()), QPointF(x, rect.bottom()));
89 void TimeMarker::paint_label(QPainter &p, const QRect &rect)
91 const qreal x = (time_ - view_.offset()) / view_.scale();
92 const QRectF r(get_label_rect(rect));
94 const QPointF points[] = {
97 QPointF(max(r.left(), x - ArrowSize), r.bottom()),
98 QPointF(x, rect.bottom()),
99 QPointF(min(r.right(), x + ArrowSize), r.bottom()),
104 const QPointF highlight_points[] = {
105 QPointF(r.left() + 1, r.top() + 1),
106 QPointF(r.left() + 1, r.bottom() - 1),
107 QPointF(max(r.left() + 1, x - ArrowSize), r.bottom() - 1),
108 QPointF(min(max(r.left() + 1, x), r.right() - 1),
110 QPointF(min(r.right() - 1, x + ArrowSize), r.bottom() - 1),
111 QPointF(r.right() - 1, r.bottom() - 1),
112 QPointF(r.right() - 1, r.top() + 1),
116 p.setPen(highlight_pen());
117 p.setBrush(Qt::transparent);
118 p.drawPolygon(points, countof(points));
121 p.setPen(Qt::transparent);
123 p.drawPolygon(points, countof(points));
125 p.setPen(colour_.lighter());
126 p.setBrush(Qt::transparent);
127 p.drawPolygon(highlight_points, countof(highlight_points));
129 p.setPen(colour_.darker());
130 p.setBrush(Qt::transparent);
131 p.drawPolygon(points, countof(points));
133 p.setPen(select_text_colour(colour_));
134 p.drawText(r, Qt::AlignCenter | Qt::AlignVCenter,
135 pv::util::format_time(time_, view_.tick_prefix(), 2));
138 pv::widgets::Popup* TimeMarker::create_popup(QWidget *parent)
140 using pv::widgets::Popup;
142 Popup *const popup = new Popup(parent);
143 QFormLayout *const form = new QFormLayout(popup);
144 popup->setLayout(form);
146 value_widget_ = new QDoubleSpinBox(parent);
147 value_widget_->setDecimals(9);
148 value_widget_->setSuffix("s");
149 value_widget_->setSingleStep(1e-6);
150 value_widget_->setRange(-1.0e9, 1.0e9);
151 value_widget_->setValue(time_);
153 connect(value_widget_, SIGNAL(valueChanged(double)),
154 this, SLOT(on_value_changed(double)));
156 form->addRow(tr("Time"), value_widget_);
161 void TimeMarker::on_value_changed(double value)
163 if (!updating_value_widget_) {