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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 | ||
a55c544b JH |
27 | using namespace std; |
28 | ||
cd6c8ee2 JH |
29 | namespace pv { |
30 | namespace view { | |
31 | ||
8debe10d | 32 | TimeMarker::TimeMarker(View &view, const QColor &colour, double time) : |
cd6c8ee2 JH |
33 | _view(view), |
34 | _colour(colour), | |
1e256e16 JH |
35 | _time(time), |
36 | _value_action(&view), | |
37 | _value_widget(&view), | |
38 | _updating_value_widget(false) | |
cd6c8ee2 | 39 | { |
1e256e16 JH |
40 | _value_action.setDefaultWidget(&_value_widget); |
41 | ||
42 | _value_widget.setValue(time); | |
43 | _value_widget.setDecimals(6); | |
44 | _value_widget.setSuffix("s"); | |
45 | _value_widget.setSingleStep(1e-6); | |
46 | ||
47 | connect(&_value_widget, SIGNAL(valueChanged(double)), | |
48 | this, SLOT(on_value_changed(double))); | |
cd6c8ee2 JH |
49 | } |
50 | ||
51 | double TimeMarker::time() const | |
52 | { | |
53 | return _time; | |
54 | } | |
55 | ||
56 | void TimeMarker::set_time(double time) | |
57 | { | |
58 | _time = time; | |
1e256e16 JH |
59 | _updating_value_widget = true; |
60 | _value_widget.setValue(time); | |
61 | _updating_value_widget = false; | |
ca4ec3ea | 62 | time_changed(); |
cd6c8ee2 JH |
63 | } |
64 | ||
65 | void TimeMarker::paint(QPainter &p, const QRect &rect) | |
66 | { | |
67 | const float x = (_time - _view.offset()) / _view.scale(); | |
68 | p.setPen(_colour); | |
69 | p.drawLine(QPointF(x, rect.top()), QPointF(x, rect.bottom())); | |
70 | } | |
71 | ||
a55c544b JH |
72 | const list<QAction*> TimeMarker::get_context_bar_actions() |
73 | { | |
74 | list<QAction*> actions; | |
1e256e16 | 75 | actions.push_back(&_value_action); |
a55c544b JH |
76 | return actions; |
77 | } | |
78 | ||
1e256e16 JH |
79 | void TimeMarker::on_value_changed(double value) |
80 | { | |
81 | if (!_updating_value_widget) { | |
82 | _time = value; | |
83 | time_changed(); | |
84 | } | |
85 | } | |
86 | ||
cd6c8ee2 JH |
87 | } // namespace view |
88 | } // namespace pv |