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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 | ||
21 | #include "timemarker.h" | |
22 | ||
23 | #include "view.h" | |
24 | ||
25 | #include <QPainter> | |
26 | ||
a28a212c JH |
27 | #include <pv/widgets/popup.h> |
28 | ||
a55c544b JH |
29 | using namespace std; |
30 | ||
cd6c8ee2 JH |
31 | namespace pv { |
32 | namespace view { | |
33 | ||
8debe10d | 34 | TimeMarker::TimeMarker(View &view, const QColor &colour, double time) : |
cd6c8ee2 JH |
35 | _view(view), |
36 | _colour(colour), | |
1e256e16 | 37 | _time(time), |
ef8311a4 JH |
38 | _value_action(NULL), |
39 | _value_widget(NULL), | |
1e256e16 | 40 | _updating_value_widget(false) |
cd6c8ee2 | 41 | { |
ef8311a4 JH |
42 | } |
43 | ||
cd6c8ee2 JH |
44 | double TimeMarker::time() const |
45 | { | |
46 | return _time; | |
47 | } | |
48 | ||
509727eb JH |
49 | float TimeMarker::get_x() const |
50 | { | |
51 | return (_time - _view.offset()) / _view.scale(); | |
52 | } | |
53 | ||
cd6c8ee2 JH |
54 | void TimeMarker::set_time(double time) |
55 | { | |
56 | _time = time; | |
317008ba JH |
57 | |
58 | if (_value_widget) { | |
59 | _updating_value_widget = true; | |
60 | _value_widget->setValue(time); | |
61 | _updating_value_widget = false; | |
62 | } | |
63 | ||
ca4ec3ea | 64 | time_changed(); |
cd6c8ee2 JH |
65 | } |
66 | ||
67 | void TimeMarker::paint(QPainter &p, const QRect &rect) | |
68 | { | |
509727eb | 69 | const float x = get_x(); |
cd6c8ee2 JH |
70 | p.setPen(_colour); |
71 | p.drawLine(QPointF(x, rect.top()), QPointF(x, rect.bottom())); | |
72 | } | |
73 | ||
a28a212c JH |
74 | pv::widgets::Popup* TimeMarker::create_popup(QWidget *parent) |
75 | { | |
76 | using pv::widgets::Popup; | |
77 | ||
78 | Popup *const popup = new Popup(parent); | |
79 | QFormLayout *const form = new QFormLayout(popup); | |
80 | popup->setLayout(form); | |
81 | ||
82 | _value_widget = new QDoubleSpinBox(parent); | |
83 | _value_widget->setValue(_time); | |
84 | _value_widget->setDecimals(6); | |
85 | _value_widget->setSuffix("s"); | |
86 | _value_widget->setSingleStep(1e-6); | |
87 | ||
88 | connect(_value_widget, SIGNAL(valueChanged(double)), | |
89 | this, SLOT(on_value_changed(double))); | |
90 | ||
91 | form->addRow(tr("Time"), _value_widget); | |
92 | ||
93 | return popup; | |
94 | } | |
95 | ||
1e256e16 JH |
96 | void TimeMarker::on_value_changed(double value) |
97 | { | |
98 | if (!_updating_value_widget) { | |
99 | _time = value; | |
100 | time_changed(); | |
101 | } | |
102 | } | |
103 | ||
cd6c8ee2 JH |
104 | } // namespace view |
105 | } // namespace pv |