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1 | /* | |
2 | * This file is part of the PulseView project. | |
3 | * | |
4 | * Copyright (C) 2012 Joel Holdsworth <joel@airwebreathe.org.uk> | |
5 | * | |
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. | |
10 | * | |
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. | |
15 | * | |
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/>. | |
18 | */ | |
19 | ||
20 | #include <algorithm> | |
21 | #include <cmath> | |
22 | ||
23 | #include <extdef.h> | |
24 | ||
25 | #include "timemarker.hpp" | |
26 | ||
27 | #include "pv/widgets/timestampspinbox.hpp" | |
28 | #include "ruler.hpp" | |
29 | #include "view.hpp" | |
30 | ||
31 | #include <QApplication> | |
32 | #include <QFontMetrics> | |
33 | #include <QFormLayout> | |
34 | #include <QPainter> | |
35 | ||
36 | #include <pv/widgets/popup.hpp> | |
37 | ||
38 | using std::max; | |
39 | using std::min; | |
40 | ||
41 | namespace pv { | |
42 | namespace views { | |
43 | namespace trace { | |
44 | ||
45 | const int TimeMarker::ArrowSize = 4; | |
46 | ||
47 | TimeMarker::TimeMarker( | |
48 | View &view, const QColor &color, const pv::util::Timestamp& time) : | |
49 | TimeItem(view), | |
50 | color_(color), | |
51 | time_(time), | |
52 | value_action_(nullptr), | |
53 | value_widget_(nullptr), | |
54 | updating_value_widget_(false) | |
55 | { | |
56 | } | |
57 | ||
58 | const pv::util::Timestamp& TimeMarker::time() const | |
59 | { | |
60 | return time_; | |
61 | } | |
62 | ||
63 | void TimeMarker::set_time(const pv::util::Timestamp& time) | |
64 | { | |
65 | time_ = time; | |
66 | ||
67 | if (value_widget_) { | |
68 | updating_value_widget_ = true; | |
69 | value_widget_->setValue(view_.ruler()->get_ruler_time_from_absolute_time(time)); | |
70 | updating_value_widget_ = false; | |
71 | } | |
72 | ||
73 | view_.time_item_appearance_changed(true, true); | |
74 | } | |
75 | ||
76 | float TimeMarker::get_x() const | |
77 | { | |
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; | |
80 | } | |
81 | ||
82 | QPoint TimeMarker::drag_point(const QRect &rect) const | |
83 | { | |
84 | (void)rect; | |
85 | ||
86 | return QPoint(get_x(), view_.mapFromGlobal(QCursor::pos()).y()); | |
87 | } | |
88 | ||
89 | QRectF TimeMarker::label_rect(const QRectF &rect) const | |
90 | { | |
91 | QFontMetrics m(QApplication::font()); | |
92 | const QSizeF text_size( | |
93 | max(m.boundingRect(get_text()).size().width(), ArrowSize), | |
94 | m.height()); | |
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(); | |
99 | ||
100 | return QRectF(QPointF(x - label_size.width() / 2, top), label_size); | |
101 | } | |
102 | ||
103 | QRectF TimeMarker::hit_box_rect(const ViewItemPaintParams &pp) const | |
104 | { | |
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()); | |
108 | } | |
109 | ||
110 | void TimeMarker::paint_label(QPainter &p, const QRect &rect, bool hover) | |
111 | { | |
112 | if (!enabled()) | |
113 | return; | |
114 | ||
115 | const qreal x = get_x(); | |
116 | const QRectF r(label_rect(rect)); | |
117 | ||
118 | const QPointF points[] = { | |
119 | r.topLeft(), | |
120 | r.bottomLeft(), | |
121 | QPointF(max(r.left(), x - ArrowSize), r.bottom()), | |
122 | QPointF(x, rect.bottom()), | |
123 | QPointF(min(r.right(), x + ArrowSize), r.bottom()), | |
124 | r.bottomRight(), | |
125 | r.topRight() | |
126 | }; | |
127 | ||
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), | |
133 | rect.bottom() - 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), | |
137 | }; | |
138 | ||
139 | if (selected()) { | |
140 | p.setPen(highlight_pen()); | |
141 | p.setBrush(Qt::transparent); | |
142 | p.drawPolygon(points, countof(points)); | |
143 | } | |
144 | ||
145 | p.setPen(Qt::transparent); | |
146 | p.setBrush(hover ? color_.lighter() : color_); | |
147 | p.drawPolygon(points, countof(points)); | |
148 | ||
149 | p.setPen(color_.lighter()); | |
150 | p.setBrush(Qt::transparent); | |
151 | p.drawPolygon(highlight_points, countof(highlight_points)); | |
152 | ||
153 | p.setPen(color_.darker()); | |
154 | p.setBrush(Qt::transparent); | |
155 | p.drawPolygon(points, countof(points)); | |
156 | ||
157 | p.setPen(select_text_color(color_)); | |
158 | p.drawText(r, Qt::AlignCenter | Qt::AlignVCenter, get_text()); | |
159 | } | |
160 | ||
161 | void TimeMarker::paint_fore(QPainter &p, ViewItemPaintParams &pp) | |
162 | { | |
163 | if (!enabled()) | |
164 | return; | |
165 | ||
166 | const float x = get_x(); | |
167 | p.setPen(color_.darker()); | |
168 | p.drawLine(QPointF(x, pp.top()), QPointF(x, pp.bottom())); | |
169 | } | |
170 | ||
171 | pv::widgets::Popup* TimeMarker::create_popup(QWidget *parent) | |
172 | { | |
173 | using pv::widgets::Popup; | |
174 | ||
175 | Popup *const popup = new Popup(parent); | |
176 | popup->set_position(parent->mapToGlobal( | |
177 | drag_point(parent->rect())), Popup::Bottom); | |
178 | ||
179 | QFormLayout *const form = new QFormLayout(popup); | |
180 | popup->setLayout(form); | |
181 | ||
182 | value_widget_ = new pv::widgets::TimestampSpinBox(parent); | |
183 | value_widget_->setValue(view_.ruler()->get_ruler_time_from_absolute_time(time_)); | |
184 | ||
185 | connect(value_widget_, SIGNAL(valueChanged(const pv::util::Timestamp&)), | |
186 | this, SLOT(on_value_changed(const pv::util::Timestamp&))); | |
187 | ||
188 | form->addRow(tr("Time"), value_widget_); | |
189 | ||
190 | return popup; | |
191 | } | |
192 | ||
193 | void TimeMarker::on_value_changed(const pv::util::Timestamp& value) | |
194 | { | |
195 | if (!updating_value_widget_) | |
196 | set_time(view_.ruler()->get_absolute_time_from_ruler_time(value)); | |
197 | } | |
198 | ||
199 | } // namespace trace | |
200 | } // namespace views | |
201 | } // namespace pv |