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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 | 35 | _time(time), |
ef8311a4 JH |
36 | _value_action(NULL), |
37 | _value_widget(NULL), | |
1e256e16 | 38 | _updating_value_widget(false) |
cd6c8ee2 | 39 | { |
ef8311a4 JH |
40 | } |
41 | ||
42 | void TimeMarker::init_context_bar_actions(QWidget *parent) | |
43 | { | |
44 | _value_widget = new QDoubleSpinBox(parent); | |
45 | _value_widget->setValue(_time); | |
46 | _value_widget->setDecimals(6); | |
47 | _value_widget->setSuffix("s"); | |
48 | _value_widget->setSingleStep(1e-6); | |
1e256e16 | 49 | |
ef8311a4 JH |
50 | _value_action = new QWidgetAction(parent); |
51 | _value_action->setDefaultWidget(_value_widget); | |
1e256e16 | 52 | |
ef8311a4 | 53 | connect(_value_widget, SIGNAL(valueChanged(double)), |
1e256e16 | 54 | this, SLOT(on_value_changed(double))); |
cd6c8ee2 JH |
55 | } |
56 | ||
57 | double TimeMarker::time() const | |
58 | { | |
59 | return _time; | |
60 | } | |
61 | ||
62 | void TimeMarker::set_time(double time) | |
63 | { | |
64 | _time = time; | |
1e256e16 | 65 | _updating_value_widget = true; |
ef8311a4 | 66 | _value_widget->setValue(time); |
1e256e16 | 67 | _updating_value_widget = false; |
ca4ec3ea | 68 | time_changed(); |
cd6c8ee2 JH |
69 | } |
70 | ||
71 | void TimeMarker::paint(QPainter &p, const QRect &rect) | |
72 | { | |
73 | const float x = (_time - _view.offset()) / _view.scale(); | |
74 | p.setPen(_colour); | |
75 | p.drawLine(QPointF(x, rect.top()), QPointF(x, rect.bottom())); | |
76 | } | |
77 | ||
a55c544b JH |
78 | const list<QAction*> TimeMarker::get_context_bar_actions() |
79 | { | |
80 | list<QAction*> actions; | |
ef8311a4 | 81 | actions.push_back(_value_action); |
a55c544b JH |
82 | return actions; |
83 | } | |
84 | ||
1e256e16 JH |
85 | void TimeMarker::on_value_changed(double value) |
86 | { | |
87 | if (!_updating_value_widget) { | |
88 | _time = value; | |
89 | time_changed(); | |
90 | } | |
91 | } | |
92 | ||
cd6c8ee2 JH |
93 | } // namespace view |
94 | } // namespace pv |