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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 | ||
2acdb232 | 25 | #include "double.hpp" |
b912c99c | 26 | |
819f4c25 JH |
27 | using boost::optional; |
28 | using std::pair; | |
b912c99c JH |
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), | |
8dbbc7f0 JH |
41 | decimals_(decimals), |
42 | suffix_(suffix), | |
43 | range_(range), | |
44 | step_(step), | |
45 | spin_box_(NULL) | |
b912c99c JH |
46 | { |
47 | } | |
48 | ||
f459c540 JH |
49 | Double::~Double() |
50 | { | |
51 | } | |
52 | ||
b1fe148e | 53 | QWidget* Double::get_widget(QWidget *parent, bool auto_commit) |
b912c99c | 54 | { |
8dbbc7f0 JH |
55 | if (spin_box_) |
56 | return spin_box_; | |
b912c99c | 57 | |
8dbbc7f0 | 58 | if (!getter_) |
f4592592 JH |
59 | return NULL; |
60 | ||
8dbbc7f0 | 61 | Glib::VariantBase variant = getter_(); |
e8d00928 ML |
62 | if (!variant.gobj()) |
63 | return NULL; | |
64 | ||
65 | double value = Glib::VariantBase::cast_dynamic<Glib::Variant<double>>( | |
66 | variant).get(); | |
67 | ||
8dbbc7f0 JH |
68 | spin_box_ = new QDoubleSpinBox(parent); |
69 | spin_box_->setDecimals(decimals_); | |
70 | spin_box_->setSuffix(suffix_); | |
71 | if (range_) | |
72 | spin_box_->setRange(range_->first, range_->second); | |
73 | if (step_) | |
74 | spin_box_->setSingleStep(*step_); | |
b912c99c | 75 | |
8dbbc7f0 | 76 | spin_box_->setValue(value); |
9f6af8bd | 77 | |
b1fe148e | 78 | if (auto_commit) |
8dbbc7f0 | 79 | connect(spin_box_, SIGNAL(valueChanged(double)), |
b1fe148e JH |
80 | this, SLOT(on_value_changed(double))); |
81 | ||
8dbbc7f0 | 82 | return spin_box_; |
b912c99c JH |
83 | } |
84 | ||
85 | void Double::commit() | |
86 | { | |
8dbbc7f0 | 87 | assert(setter_); |
b912c99c | 88 | |
8dbbc7f0 | 89 | if (!spin_box_) |
b912c99c JH |
90 | return; |
91 | ||
8dbbc7f0 | 92 | setter_(Glib::Variant<double>::create(spin_box_->value())); |
b912c99c JH |
93 | } |
94 | ||
b1fe148e JH |
95 | void Double::on_value_changed(double) |
96 | { | |
97 | commit(); | |
98 | } | |
99 | ||
b912c99c JH |
100 | } // prop |
101 | } // pv |