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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 | |
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 | ||
2acdb232 | 21 | #include "cursor.hpp" |
cabce982 | 22 | |
2acdb232 JH |
23 | #include "view.hpp" |
24 | #include "pv/util.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> | |
34c1ef02 | 35 | |
f9abf97e | 36 | using std::shared_ptr; |
58864c5c | 37 | |
cabce982 JH |
38 | namespace pv { |
39 | namespace view { | |
40 | ||
cabce982 | 41 | const QColor Cursor::FillColour(52, 101, 164); |
34c1ef02 | 42 | |
8debe10d | 43 | Cursor::Cursor(View &view, double time) : |
4fabd61a | 44 | TimeMarker(view, FillColour, time) |
cabce982 JH |
45 | { |
46 | } | |
47 | ||
096fb584 JH |
48 | bool Cursor::enabled() const |
49 | { | |
50 | return view_.cursors_shown(); | |
51 | } | |
52 | ||
3b84fd6d JH |
53 | QString Cursor::get_text() const |
54 | { | |
55 | return pv::util::format_time(time_, view_.tick_prefix(), 2); | |
56 | } | |
57 | ||
689dea92 | 58 | QRectF Cursor::label_rect(const QRectF &rect) const |
cabce982 | 59 | { |
58864c5c JH |
60 | const shared_ptr<Cursor> other(get_other_cursor()); |
61 | assert(other); | |
62 | ||
8dbbc7f0 | 63 | const float x = (time_ - view_.offset()) / view_.scale(); |
34c1ef02 | 64 | |
4fabd61a | 65 | QFontMetrics m(QApplication::font()); |
3b84fd6d | 66 | QSize text_size = m.boundingRect(get_text()).size(); |
4fabd61a | 67 | |
34c1ef02 | 68 | const QSizeF label_size( |
4fabd61a JH |
69 | text_size.width() + View::LabelPadding.width() * 2, |
70 | text_size.height() + View::LabelPadding.height() * 2); | |
199441e4 | 71 | const float top = rect.height() - label_size.height() - |
4fabd61a | 72 | TimeMarker::Offset - TimeMarker::ArrowSize - 0.5f; |
5139748b | 73 | const float height = label_size.height(); |
199441e4 | 74 | |
8dbbc7f0 | 75 | if (time_ > other->time()) |
199441e4 JH |
76 | return QRectF(x, top, label_size.width(), height); |
77 | else | |
78 | return QRectF(x - label_size.width(), top, | |
79 | label_size.width(), height); | |
ca4ec3ea JH |
80 | } |
81 | ||
58864c5c JH |
82 | shared_ptr<Cursor> Cursor::get_other_cursor() const |
83 | { | |
5c5ce757 JH |
84 | const shared_ptr<CursorPair> cursors(view_.cursors()); |
85 | assert(cursors); | |
86 | return (cursors->first().get() == this) ? | |
87 | cursors->second() : cursors->first(); | |
58864c5c JH |
88 | } |
89 | ||
cabce982 JH |
90 | } // namespace view |
91 | } // namespace pv |