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 <QApplication>
30 #include <QFormLayout>
31 #include <QFontMetrics>
34 #include <pv/widgets/popup.hpp>
42 const int TimeMarker::ArrowSize = 4;
44 TimeMarker::TimeMarker(View &view, const QColor &colour, double time) :
50 updating_value_widget_(false)
54 double TimeMarker::time() const
59 void TimeMarker::set_time(double time)
64 updating_value_widget_ = true;
65 value_widget_->setValue(time);
66 updating_value_widget_ = false;
69 view_.time_item_appearance_changed(true, true);
72 float TimeMarker::get_x() const
74 return (time_ - view_.offset()) / view_.scale();
77 QPoint TimeMarker::point() const
79 return QPoint(get_x(), 0);
82 QRectF TimeMarker::label_rect(const QRectF &rect) const
84 const float x = (time_ - view_.offset()) / view_.scale();
86 QFontMetrics m(QApplication::font());
87 const float text_width =
88 max(m.boundingRect(get_text()).size().width(), ArrowSize);
89 const float text_height = m.height();
91 const QSizeF label_size(
92 text_width + LabelPadding.width() * 2,
93 text_height + LabelPadding.height() * 2);
94 const float top = rect.height() - label_size.height() -
95 TimeMarker::ArrowSize - 0.5f;
96 const float height = label_size.height();
98 return QRectF(x - label_size.width() / 2, top,
99 label_size.width(), height);
102 void TimeMarker::paint_label(QPainter &p, const QRect &rect, bool hover)
107 const qreal x = (time_ - view_.offset()) / view_.scale();
108 const QRectF r(label_rect(rect));
110 const QPointF points[] = {
113 QPointF(max(r.left(), x - ArrowSize), r.bottom()),
114 QPointF(x, rect.bottom()),
115 QPointF(min(r.right(), x + ArrowSize), r.bottom()),
120 const QPointF highlight_points[] = {
121 QPointF(r.left() + 1, r.top() + 1),
122 QPointF(r.left() + 1, r.bottom() - 1),
123 QPointF(max(r.left() + 1, x - ArrowSize), r.bottom() - 1),
124 QPointF(min(max(r.left() + 1, x), r.right() - 1),
126 QPointF(min(r.right() - 1, x + ArrowSize), r.bottom() - 1),
127 QPointF(r.right() - 1, r.bottom() - 1),
128 QPointF(r.right() - 1, r.top() + 1),
132 p.setPen(highlight_pen());
133 p.setBrush(Qt::transparent);
134 p.drawPolygon(points, countof(points));
137 p.setPen(Qt::transparent);
138 p.setBrush(hover ? colour_.lighter() : colour_);
139 p.drawPolygon(points, countof(points));
141 p.setPen(colour_.lighter());
142 p.setBrush(Qt::transparent);
143 p.drawPolygon(highlight_points, countof(highlight_points));
145 p.setPen(colour_.darker());
146 p.setBrush(Qt::transparent);
147 p.drawPolygon(points, countof(points));
149 p.setPen(select_text_colour(colour_));
150 p.drawText(r, Qt::AlignCenter | Qt::AlignVCenter, get_text());
153 void TimeMarker::paint_fore(QPainter &p, const ViewItemPaintParams &pp)
158 const float x = get_x();
159 p.setPen(colour_.darker());
160 p.drawLine(QPointF(x, pp.top()), QPointF(x, pp.bottom()));
163 pv::widgets::Popup* TimeMarker::create_popup(QWidget *parent)
165 using pv::widgets::Popup;
167 Popup *const popup = new Popup(parent);
168 QFormLayout *const form = new QFormLayout(popup);
169 popup->setLayout(form);
171 value_widget_ = new QDoubleSpinBox(parent);
172 value_widget_->setDecimals(9);
173 value_widget_->setSuffix("s");
174 value_widget_->setSingleStep(1e-6);
175 value_widget_->setRange(-1.0e9, 1.0e9);
176 value_widget_->setValue(time_);
178 connect(value_widget_, SIGNAL(valueChanged(double)),
179 this, SLOT(on_value_changed(double)));
181 form->addRow(tr("Time"), value_widget_);
186 void TimeMarker::on_value_changed(double value)
188 if (!updating_value_widget_)