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, see <http://www.gnu.org/licenses/>.
25 #include "timemarker.hpp"
27 #include "pv/widgets/timestampspinbox.hpp"
31 #include <QApplication>
32 #include <QFontMetrics>
33 #include <QFormLayout>
36 #include <pv/widgets/popup.hpp>
45 const int TimeMarker::ArrowSize = 4;
47 TimeMarker::TimeMarker(
48 View &view, const QColor &color, const pv::util::Timestamp& time) :
52 value_action_(nullptr),
53 value_widget_(nullptr),
54 updating_value_widget_(false)
58 const pv::util::Timestamp& TimeMarker::time() const
63 void TimeMarker::set_time(const pv::util::Timestamp& time)
68 updating_value_widget_ = true;
69 value_widget_->setValue(view_.ruler()->get_ruler_time_from_absolute_time(time));
70 updating_value_widget_ = false;
73 view_.time_item_appearance_changed(true, true);
76 float TimeMarker::get_x() const
78 // Use roundf() from cmath, std::roundf() causes Android issues (see #945).
79 return roundf(((time_ - view_.offset()) / view_.scale()).convert_to<float>()) + 0.5f;
82 QPoint TimeMarker::drag_point(const QRect &rect) const
86 return QPoint(get_x(), view_.mapFromGlobal(QCursor::pos()).y());
89 QRectF TimeMarker::label_rect(const QRectF &rect) const
91 QFontMetrics m(QApplication::font());
92 const QSizeF text_size(
93 max(m.boundingRect(get_text()).size().width(), ArrowSize),
95 const QSizeF label_size(text_size + LabelPadding * 2);
96 const float top = rect.height() - label_size.height() -
97 TimeMarker::ArrowSize - 0.5f;
98 const float x = get_x();
100 return QRectF(QPointF(x - label_size.width() / 2, top), label_size);
103 QRectF TimeMarker::hit_box_rect(const ViewItemPaintParams &pp) const
105 const float x = get_x();
106 const float h = QFontMetrics(QApplication::font()).height();
107 return QRectF(x - h / 2.0f, pp.top(), h, pp.height());
110 void TimeMarker::paint_label(QPainter &p, const QRect &rect, bool hover)
115 const qreal x = get_x();
116 const QRectF r(label_rect(rect));
118 const QPointF points[] = {
121 QPointF(max(r.left(), x - ArrowSize), r.bottom()),
122 QPointF(x, rect.bottom()),
123 QPointF(min(r.right(), x + ArrowSize), r.bottom()),
128 const QPointF highlight_points[] = {
129 QPointF(r.left() + 1, r.top() + 1),
130 QPointF(r.left() + 1, r.bottom() - 1),
131 QPointF(max(r.left() + 1, x - ArrowSize), r.bottom() - 1),
132 QPointF(min(max(r.left() + 1, x), r.right() - 1),
134 QPointF(min(r.right() - 1, x + ArrowSize), r.bottom() - 1),
135 QPointF(r.right() - 1, r.bottom() - 1),
136 QPointF(r.right() - 1, r.top() + 1),
140 p.setPen(highlight_pen());
141 p.setBrush(Qt::transparent);
142 p.drawPolygon(points, countof(points));
145 p.setPen(Qt::transparent);
146 p.setBrush(hover ? color_.lighter() : color_);
147 p.drawPolygon(points, countof(points));
149 p.setPen(color_.lighter());
150 p.setBrush(Qt::transparent);
151 p.drawPolygon(highlight_points, countof(highlight_points));
153 p.setPen(color_.darker());
154 p.setBrush(Qt::transparent);
155 p.drawPolygon(points, countof(points));
157 p.setPen(select_text_color(color_));
158 p.drawText(r, Qt::AlignCenter | Qt::AlignVCenter, get_text());
161 void TimeMarker::paint_fore(QPainter &p, ViewItemPaintParams &pp)
166 const float x = get_x();
167 p.setPen(color_.darker());
168 p.drawLine(QPointF(x, pp.top()), QPointF(x, pp.bottom()));
171 pv::widgets::Popup* TimeMarker::create_popup(QWidget *parent)
173 using pv::widgets::Popup;
175 Popup *const popup = new Popup(parent);
176 popup->set_position(parent->mapToGlobal(
177 drag_point(parent->rect())), Popup::Bottom);
179 QFormLayout *const form = new QFormLayout(popup);
180 popup->setLayout(form);
182 value_widget_ = new pv::widgets::TimestampSpinBox(parent);
183 value_widget_->setValue(view_.ruler()->get_ruler_time_from_absolute_time(time_));
185 connect(value_widget_, SIGNAL(valueChanged(const pv::util::Timestamp&)),
186 this, SLOT(on_value_changed(const pv::util::Timestamp&)));
188 form->addRow(tr("Time"), value_widget_);
193 void TimeMarker::on_value_changed(const pv::util::Timestamp& value)
195 if (!updating_value_widget_)
196 set_time(view_.ruler()->get_absolute_time_from_ruler_time(value));