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b912c99c JH |
1 | /* |
2 | * This file is part of the PulseView project. | |
3 | * | |
4 | * Copyright (C) 2013 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 <assert.h> | |
22 | ||
23 | #include <QDoubleSpinBox> | |
24 | ||
25 | #include "double.h" | |
26 | ||
27 | using namespace std; | |
28 | using namespace boost; | |
29 | ||
30 | namespace pv { | |
31 | namespace prop { | |
32 | ||
33 | Double::Double(QString name, | |
34 | int decimals, | |
35 | QString suffix, | |
36 | optional< pair<double, double> > range, | |
37 | optional<double> step, | |
9b258927 JH |
38 | Getter getter, |
39 | Setter setter) : | |
40 | Property(name, getter, setter), | |
b912c99c JH |
41 | _decimals(decimals), |
42 | _suffix(suffix), | |
43 | _range(range), | |
44 | _step(step), | |
b912c99c JH |
45 | _spin_box(NULL) |
46 | { | |
47 | } | |
48 | ||
49 | QWidget* Double::get_widget(QWidget *parent) | |
50 | { | |
793f8096 | 51 | if (_spin_box) |
b912c99c JH |
52 | return _spin_box; |
53 | ||
54 | _spin_box = new QDoubleSpinBox(parent); | |
55 | _spin_box->setDecimals(_decimals); | |
56 | _spin_box->setSuffix(_suffix); | |
793f8096 | 57 | if (_range) |
b912c99c | 58 | _spin_box->setRange(_range->first, _range->second); |
793f8096 | 59 | if (_step) |
b912c99c JH |
60 | _spin_box->setSingleStep(*_step); |
61 | ||
9b258927 JH |
62 | GVariant *const value = _getter ? _getter() : NULL; |
63 | ||
64 | if (value) { | |
65 | _spin_box->setValue(g_variant_get_double(value)); | |
66 | g_variant_unref(value); | |
67 | } | |
9f6af8bd | 68 | |
b912c99c JH |
69 | return _spin_box; |
70 | } | |
71 | ||
72 | void Double::commit() | |
73 | { | |
74 | assert(_setter); | |
75 | ||
793f8096 | 76 | if (!_spin_box) |
b912c99c JH |
77 | return; |
78 | ||
9b258927 | 79 | _setter(g_variant_new_double(_spin_box->value())); |
b912c99c JH |
80 | } |
81 | ||
82 | } // prop | |
83 | } // pv |