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cabce982 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 | |
efdec55a | 17 | * along with this program; if not, see <http://www.gnu.org/licenses/>. |
cabce982 JH |
18 | */ |
19 | ||
2acdb232 | 20 | #include "cursor.hpp" |
cabce982 | 21 | |
aca9aa83 | 22 | #include "pv/util.hpp" |
3ccf0f7f | 23 | #include "ruler.hpp" |
2acdb232 | 24 | #include "view.hpp" |
cabce982 | 25 | |
4fabd61a | 26 | #include <QApplication> |
cabce982 JH |
27 | #include <QBrush> |
28 | #include <QPainter> | |
34c1ef02 | 29 | #include <QPointF> |
cabce982 JH |
30 | #include <QRect> |
31 | #include <QRectF> | |
32 | ||
f9abf97e JH |
33 | #include <cassert> |
34 | #include <cstdio> | |
e899d8bd | 35 | #include <limits> |
34c1ef02 | 36 | |
20f59e95 | 37 | using std::abs; // NOLINT. Force usage of std::abs() instead of C's abs(). |
f9abf97e | 38 | using std::shared_ptr; |
58864c5c | 39 | |
cabce982 | 40 | namespace pv { |
f4e57597 | 41 | namespace views { |
1573bf16 | 42 | namespace trace { |
cabce982 | 43 | |
641574bc | 44 | const QColor Cursor::FillColor(52, 101, 164); |
34c1ef02 | 45 | |
8debe10d | 46 | Cursor::Cursor(View &view, double time) : |
641574bc | 47 | TimeMarker(view, FillColor, time) |
cabce982 JH |
48 | { |
49 | } | |
50 | ||
096fb584 JH |
51 | bool Cursor::enabled() const |
52 | { | |
53 | return view_.cursors_shown(); | |
54 | } | |
55 | ||
3b84fd6d JH |
56 | QString Cursor::get_text() const |
57 | { | |
3ccf0f7f JS |
58 | const shared_ptr<Cursor> other = get_other_cursor(); |
59 | const pv::util::Timestamp& diff = abs(time_ - other->time_); | |
60 | ||
61 | return Ruler::format_time_with_distance( | |
62 | diff, time_, view_.tick_prefix(), view_.time_unit(), view_.tick_precision()); | |
3b84fd6d JH |
63 | } |
64 | ||
689dea92 | 65 | QRectF Cursor::label_rect(const QRectF &rect) const |
cabce982 | 66 | { |
58864c5c JH |
67 | const shared_ptr<Cursor> other(get_other_cursor()); |
68 | assert(other); | |
69 | ||
cb5a1216 | 70 | const float x = get_x(); |
34c1ef02 | 71 | |
4fabd61a | 72 | QFontMetrics m(QApplication::font()); |
3b84fd6d | 73 | QSize text_size = m.boundingRect(get_text()).size(); |
4fabd61a | 74 | |
34c1ef02 | 75 | const QSizeF label_size( |
ec39632d JH |
76 | text_size.width() + LabelPadding.width() * 2, |
77 | text_size.height() + LabelPadding.height() * 2); | |
199441e4 | 78 | const float top = rect.height() - label_size.height() - |
6abffa97 | 79 | TimeMarker::ArrowSize - 0.5f; |
5139748b | 80 | const float height = label_size.height(); |
199441e4 | 81 | |
60d9b99a JS |
82 | const pv::util::Timestamp& other_time = other->time(); |
83 | ||
e899d8bd | 84 | if (time_ > other_time || |
60d9b99a | 85 | (abs(time_ - other_time).is_zero() && this > other.get())) |
199441e4 JH |
86 | return QRectF(x, top, label_size.width(), height); |
87 | else | |
60d9b99a | 88 | return QRectF(x - label_size.width(), top, label_size.width(), height); |
ca4ec3ea JH |
89 | } |
90 | ||
58864c5c JH |
91 | shared_ptr<Cursor> Cursor::get_other_cursor() const |
92 | { | |
5c5ce757 JH |
93 | const shared_ptr<CursorPair> cursors(view_.cursors()); |
94 | assert(cursors); | |
95 | return (cursors->first().get() == this) ? | |
96 | cursors->second() : cursors->first(); | |
58864c5c JH |
97 | } |
98 | ||
1573bf16 | 99 | } // namespace trace |
f4e57597 | 100 | } // namespace views |
cabce982 | 101 | } // namespace pv |