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"
28 #include "pv/widgets/timestampspinbox.hpp"
30 #include <QApplication>
31 #include <QFormLayout>
32 #include <QFontMetrics>
35 #include <pv/widgets/popup.hpp>
44 const int TimeMarker::ArrowSize = 4;
46 TimeMarker::TimeMarker(
47 View &view, const QColor &colour, const pv::util::Timestamp& time) :
51 value_action_(nullptr),
52 value_widget_(nullptr),
53 updating_value_widget_(false)
57 const pv::util::Timestamp& TimeMarker::time() const
62 void TimeMarker::set_time(const pv::util::Timestamp& time)
67 updating_value_widget_ = true;
68 value_widget_->setValue(time);
69 updating_value_widget_ = false;
72 view_.time_item_appearance_changed(true, true);
75 float TimeMarker::get_x() const
77 return ((time_ - view_.offset()) / view_.scale()).convert_to<float>();
80 QPoint TimeMarker::point(const QRect &rect) const
82 return QPoint(get_x(), rect.bottom());
85 QRectF TimeMarker::label_rect(const QRectF &rect) const
87 QFontMetrics m(QApplication::font());
88 const QSizeF text_size(
89 max(m.boundingRect(get_text()).size().width(), ArrowSize),
91 const QSizeF label_size(text_size + LabelPadding * 2);
92 const float top = rect.height() - label_size.height() -
93 TimeMarker::ArrowSize - 0.5f;
94 const float x = get_x();
96 return QRectF(QPointF(x - label_size.width() / 2, top), label_size);
99 QRectF TimeMarker::hit_box_rect(const ViewItemPaintParams &pp) const
101 const float x = get_x();
102 const float h = QFontMetrics(QApplication::font()).height();
103 return QRectF(x - h / 2.0f, pp.top(), h, pp.height());
106 void TimeMarker::paint_label(QPainter &p, const QRect &rect, bool hover)
111 const qreal x = ((time_ - view_.offset()) / view_.scale()).convert_to<qreal>();
112 const QRectF r(label_rect(rect));
114 const QPointF points[] = {
117 QPointF(max(r.left(), x - ArrowSize), r.bottom()),
118 QPointF(x, rect.bottom()),
119 QPointF(min(r.right(), x + ArrowSize), r.bottom()),
124 const QPointF highlight_points[] = {
125 QPointF(r.left() + 1, r.top() + 1),
126 QPointF(r.left() + 1, r.bottom() - 1),
127 QPointF(max(r.left() + 1, x - ArrowSize), r.bottom() - 1),
128 QPointF(min(max(r.left() + 1, x), r.right() - 1),
130 QPointF(min(r.right() - 1, x + ArrowSize), r.bottom() - 1),
131 QPointF(r.right() - 1, r.bottom() - 1),
132 QPointF(r.right() - 1, r.top() + 1),
136 p.setPen(highlight_pen());
137 p.setBrush(Qt::transparent);
138 p.drawPolygon(points, countof(points));
141 p.setPen(Qt::transparent);
142 p.setBrush(hover ? colour_.lighter() : colour_);
143 p.drawPolygon(points, countof(points));
145 p.setPen(colour_.lighter());
146 p.setBrush(Qt::transparent);
147 p.drawPolygon(highlight_points, countof(highlight_points));
149 p.setPen(colour_.darker());
150 p.setBrush(Qt::transparent);
151 p.drawPolygon(points, countof(points));
153 p.setPen(select_text_colour(colour_));
154 p.drawText(r, Qt::AlignCenter | Qt::AlignVCenter, get_text());
157 void TimeMarker::paint_fore(QPainter &p, const ViewItemPaintParams &pp)
162 const float x = get_x();
163 p.setPen(colour_.darker());
164 p.drawLine(QPointF(x, pp.top()), QPointF(x, pp.bottom()));
167 pv::widgets::Popup* TimeMarker::create_popup(QWidget *parent)
169 using pv::widgets::Popup;
171 Popup *const popup = new Popup(parent);
172 popup->set_position(parent->mapToGlobal(
173 point(parent->rect())), Popup::Bottom);
175 QFormLayout *const form = new QFormLayout(popup);
176 popup->setLayout(form);
178 value_widget_ = new pv::widgets::TimestampSpinBox(parent);
179 value_widget_->setValue(time_);
181 connect(value_widget_, SIGNAL(valueChanged(const pv::util::Timestamp&)),
182 this, SLOT(on_value_changed(const pv::util::Timestamp&)));
184 form->addRow(tr("Time"), value_widget_);
189 void TimeMarker::on_value_changed(const pv::util::Timestamp& value)
191 if (!updating_value_widget_)
195 } // namespace TraceView