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cd6c8ee2 JH |
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, write to the Free Software | |
18 | * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA | |
19 | */ | |
20 | ||
4fabd61a JH |
21 | #include <algorithm> |
22 | ||
23 | #include <extdef.h> | |
24 | ||
2acdb232 | 25 | #include "timemarker.hpp" |
cd6c8ee2 | 26 | |
2acdb232 | 27 | #include "view.hpp" |
cd6c8ee2 | 28 | |
b213ef09 | 29 | #include <QFormLayout> |
cd6c8ee2 JH |
30 | #include <QPainter> |
31 | ||
4fabd61a | 32 | #include <pv/util.hpp> |
2acdb232 | 33 | #include <pv/widgets/popup.hpp> |
a28a212c | 34 | |
4fabd61a JH |
35 | using std::max; |
36 | using std::min; | |
37 | ||
cd6c8ee2 JH |
38 | namespace pv { |
39 | namespace view { | |
40 | ||
4fabd61a JH |
41 | const int TimeMarker::ArrowSize = 4; |
42 | const int TimeMarker::Offset = 1; | |
43 | ||
8debe10d | 44 | TimeMarker::TimeMarker(View &view, const QColor &colour, double time) : |
8dbbc7f0 JH |
45 | view_(view), |
46 | colour_(colour), | |
47 | time_(time), | |
48 | value_action_(NULL), | |
49 | value_widget_(NULL), | |
50 | updating_value_widget_(false) | |
cd6c8ee2 | 51 | { |
ef8311a4 JH |
52 | } |
53 | ||
cd6c8ee2 JH |
54 | double TimeMarker::time() const |
55 | { | |
8dbbc7f0 | 56 | return time_; |
cd6c8ee2 JH |
57 | } |
58 | ||
509727eb JH |
59 | float TimeMarker::get_x() const |
60 | { | |
8dbbc7f0 | 61 | return (time_ - view_.offset()) / view_.scale(); |
509727eb JH |
62 | } |
63 | ||
0dda6fe5 JH |
64 | QPoint TimeMarker::point() const |
65 | { | |
66 | return QPoint(get_x(), 0); | |
67 | } | |
68 | ||
cd6c8ee2 JH |
69 | void TimeMarker::set_time(double time) |
70 | { | |
8dbbc7f0 | 71 | time_ = time; |
317008ba | 72 | |
8dbbc7f0 JH |
73 | if (value_widget_) { |
74 | updating_value_widget_ = true; | |
75 | value_widget_->setValue(time); | |
76 | updating_value_widget_ = false; | |
317008ba JH |
77 | } |
78 | ||
ca4ec3ea | 79 | time_changed(); |
cd6c8ee2 JH |
80 | } |
81 | ||
82 | void TimeMarker::paint(QPainter &p, const QRect &rect) | |
83 | { | |
509727eb | 84 | const float x = get_x(); |
4fabd61a | 85 | p.setPen(colour_.darker()); |
cd6c8ee2 JH |
86 | p.drawLine(QPointF(x, rect.top()), QPointF(x, rect.bottom())); |
87 | } | |
88 | ||
4fabd61a JH |
89 | void TimeMarker::paint_label(QPainter &p, const QRect &rect) |
90 | { | |
91 | const qreal x = (time_ - view_.offset()) / view_.scale(); | |
92 | const QRectF r(get_label_rect(rect)); | |
93 | ||
94 | const QPointF points[] = { | |
95 | r.topLeft(), | |
96 | r.bottomLeft(), | |
97 | QPointF(max(r.left(), x - ArrowSize), r.bottom()), | |
98 | QPointF(x, rect.bottom()), | |
99 | QPointF(min(r.right(), x + ArrowSize), r.bottom()), | |
100 | r.bottomRight(), | |
101 | r.topRight() | |
102 | }; | |
103 | ||
104 | const QPointF highlight_points[] = { | |
105 | QPointF(r.left() + 1, r.top() + 1), | |
106 | QPointF(r.left() + 1, r.bottom() - 1), | |
107 | QPointF(max(r.left() + 1, x - ArrowSize), r.bottom() - 1), | |
108 | QPointF(min(max(r.left() + 1, x), r.right() - 1), | |
109 | rect.bottom() - 1), | |
110 | QPointF(min(r.right() - 1, x + ArrowSize), r.bottom() - 1), | |
111 | QPointF(r.right() - 1, r.bottom() - 1), | |
112 | QPointF(r.right() - 1, r.top() + 1), | |
113 | }; | |
114 | ||
115 | if (selected()) { | |
116 | p.setPen(highlight_pen()); | |
117 | p.setBrush(Qt::transparent); | |
118 | p.drawPolygon(points, countof(points)); | |
119 | } | |
120 | ||
121 | p.setPen(Qt::transparent); | |
122 | p.setBrush(colour_); | |
123 | p.drawPolygon(points, countof(points)); | |
124 | ||
125 | p.setPen(colour_.lighter()); | |
126 | p.setBrush(Qt::transparent); | |
127 | p.drawPolygon(highlight_points, countof(highlight_points)); | |
128 | ||
129 | p.setPen(colour_.darker()); | |
130 | p.setBrush(Qt::transparent); | |
131 | p.drawPolygon(points, countof(points)); | |
132 | ||
133 | p.setPen(select_text_colour(colour_)); | |
134 | p.drawText(r, Qt::AlignCenter | Qt::AlignVCenter, | |
135 | pv::util::format_time(time_, view_.tick_prefix(), 2)); | |
136 | } | |
137 | ||
a28a212c JH |
138 | pv::widgets::Popup* TimeMarker::create_popup(QWidget *parent) |
139 | { | |
140 | using pv::widgets::Popup; | |
141 | ||
142 | Popup *const popup = new Popup(parent); | |
143 | QFormLayout *const form = new QFormLayout(popup); | |
144 | popup->setLayout(form); | |
145 | ||
8dbbc7f0 JH |
146 | value_widget_ = new QDoubleSpinBox(parent); |
147 | value_widget_->setDecimals(9); | |
148 | value_widget_->setSuffix("s"); | |
149 | value_widget_->setSingleStep(1e-6); | |
bccef542 | 150 | value_widget_->setRange(-1.0e9, 1.0e9); |
8dbbc7f0 | 151 | value_widget_->setValue(time_); |
a28a212c | 152 | |
8dbbc7f0 | 153 | connect(value_widget_, SIGNAL(valueChanged(double)), |
a28a212c JH |
154 | this, SLOT(on_value_changed(double))); |
155 | ||
8dbbc7f0 | 156 | form->addRow(tr("Time"), value_widget_); |
a28a212c JH |
157 | |
158 | return popup; | |
159 | } | |
160 | ||
1e256e16 JH |
161 | void TimeMarker::on_value_changed(double value) |
162 | { | |
8dbbc7f0 JH |
163 | if (!updating_value_widget_) { |
164 | time_ = value; | |
1e256e16 JH |
165 | time_changed(); |
166 | } | |
167 | } | |
168 | ||
cd6c8ee2 JH |
169 | } // namespace view |
170 | } // namespace pv |