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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 | { | |
55 | } | |
56 | ||
57 | const pv::util::Timestamp TimeMarker::time() const | |
58 | { | |
59 | return time_; | |
60 | } | |
61 | ||
62 | void TimeMarker::set_time(const pv::util::Timestamp& time) | |
63 | { | |
64 | time_ = time; | |
65 | ||
66 | if (value_widget_) { | |
67 | QSignalBlocker blocker(value_widget_); | |
68 | value_widget_->setValue(view_.ruler()->get_ruler_time_from_absolute_time(time)); | |
69 | } | |
70 | ||
71 | view_.time_item_appearance_changed(true, true); | |
72 | } | |
73 | ||
74 | float TimeMarker::get_x() const | |
75 | { | |
76 | // Use roundf() from cmath, std::roundf() causes Android issues (see #945). | |
77 | return roundf(((time_ - view_.offset()) / view_.scale()).convert_to<float>()) + 0.5f; | |
78 | } | |
79 | ||
80 | QPoint TimeMarker::drag_point(const QRect &rect) const | |
81 | { | |
82 | (void)rect; | |
83 | ||
84 | return QPoint(get_x(), view_.mapFromGlobal(QCursor::pos()).y()); | |
85 | } | |
86 | ||
87 | QRectF TimeMarker::label_rect(const QRectF &rect) const | |
88 | { | |
89 | QFontMetrics m(QApplication::font()); | |
90 | const QSizeF text_size( | |
91 | max(m.boundingRect(get_display_text()).size().width(), ArrowSize), | |
92 | m.height()); | |
93 | const QSizeF label_size(text_size + LabelPadding * 2); | |
94 | const float top = rect.height() - label_size.height() - | |
95 | TimeMarker::ArrowSize - 0.5f; | |
96 | const float x = get_x(); | |
97 | ||
98 | return QRectF(QPointF(x - label_size.width() / 2, top), label_size); | |
99 | } | |
100 | ||
101 | QRectF TimeMarker::hit_box_rect(const ViewItemPaintParams &pp) const | |
102 | { | |
103 | const float x = get_x(); | |
104 | const float h = QFontMetrics(QApplication::font()).height(); | |
105 | return QRectF(x - h / 2.0f, pp.top(), h, pp.height()); | |
106 | } | |
107 | ||
108 | QString TimeMarker::get_display_text() const | |
109 | { | |
110 | return get_text(); | |
111 | } | |
112 | ||
113 | void TimeMarker::set_text(const QString &text) | |
114 | { | |
115 | (void)text; | |
116 | } | |
117 | ||
118 | void TimeMarker::paint_label(QPainter &p, const QRect &rect, bool hover) | |
119 | { | |
120 | if (!enabled()) | |
121 | return; | |
122 | ||
123 | const qreal x = get_x(); | |
124 | const QRectF r(label_rect(rect)); | |
125 | ||
126 | const QPointF points[] = { | |
127 | r.topLeft(), | |
128 | r.bottomLeft(), | |
129 | QPointF(max(r.left(), x - ArrowSize), r.bottom()), | |
130 | QPointF(x, rect.bottom()), | |
131 | QPointF(min(r.right(), x + ArrowSize), r.bottom()), | |
132 | r.bottomRight(), | |
133 | r.topRight() | |
134 | }; | |
135 | ||
136 | const QPointF highlight_points[] = { | |
137 | QPointF(r.left() + 1, r.top() + 1), | |
138 | QPointF(r.left() + 1, r.bottom() - 1), | |
139 | QPointF(max(r.left() + 1, x - ArrowSize), r.bottom() - 1), | |
140 | QPointF(min(max(r.left() + 1, x), r.right() - 1), | |
141 | rect.bottom() - 1), | |
142 | QPointF(min(r.right() - 1, x + ArrowSize), r.bottom() - 1), | |
143 | QPointF(r.right() - 1, r.bottom() - 1), | |
144 | QPointF(r.right() - 1, r.top() + 1), | |
145 | }; | |
146 | ||
147 | if (selected()) { | |
148 | p.setPen(highlight_pen()); | |
149 | p.setBrush(Qt::transparent); | |
150 | p.drawPolygon(points, countof(points)); | |
151 | } | |
152 | ||
153 | p.setPen(Qt::transparent); | |
154 | p.setBrush(hover ? color_.lighter() : color_); | |
155 | p.drawPolygon(points, countof(points)); | |
156 | ||
157 | p.setPen(color_.lighter()); | |
158 | p.setBrush(Qt::transparent); | |
159 | p.drawPolygon(highlight_points, countof(highlight_points)); | |
160 | ||
161 | p.setPen(color_.darker()); | |
162 | p.setBrush(Qt::transparent); | |
163 | p.drawPolygon(points, countof(points)); | |
164 | ||
165 | p.setPen(select_text_color(color_)); | |
166 | p.drawText(r, Qt::AlignCenter | Qt::AlignVCenter, get_display_text()); | |
167 | } | |
168 | ||
169 | void TimeMarker::paint_fore(QPainter &p, ViewItemPaintParams &pp) | |
170 | { | |
171 | if (!enabled()) | |
172 | return; | |
173 | ||
174 | const float x = get_x(); | |
175 | p.setPen(color_.darker()); | |
176 | p.drawLine(QPointF(x, pp.top()), QPointF(x, pp.bottom())); | |
177 | } | |
178 | ||
179 | pv::widgets::Popup* TimeMarker::create_popup(QWidget *parent) | |
180 | { | |
181 | using pv::widgets::Popup; | |
182 | ||
183 | Popup *const popup = new Popup(parent); | |
184 | popup->set_position(parent->mapToGlobal( | |
185 | drag_point(parent->rect())), Popup::Bottom); | |
186 | ||
187 | connect(popup, SIGNAL(closed()), this, SLOT(on_popup_closed())); | |
188 | ||
189 | QFormLayout *const form = new QFormLayout(popup); | |
190 | popup->setLayout(form); | |
191 | ||
192 | value_widget_ = new pv::widgets::TimestampSpinBox(parent); | |
193 | value_widget_->setValue(view_.ruler()->get_ruler_time_from_absolute_time(time_)); | |
194 | ||
195 | connect(value_widget_, SIGNAL(valueChanged(const pv::util::Timestamp&)), | |
196 | this, SLOT(on_value_changed(const pv::util::Timestamp&))); | |
197 | ||
198 | form->addRow(tr("Time"), value_widget_); | |
199 | ||
200 | return popup; | |
201 | } | |
202 | ||
203 | void TimeMarker::on_popup_closed() | |
204 | { | |
205 | select(false); | |
206 | } | |
207 | ||
208 | void TimeMarker::on_value_changed(const pv::util::Timestamp& value) | |
209 | { | |
210 | set_time(view_.ruler()->get_absolute_time_from_ruler_time(value)); | |
211 | } | |
212 | ||
213 | } // namespace trace | |
214 | } // namespace views | |
215 | } // namespace pv |