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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 | |
efdec55a | 17 | * along with this program; if not, see <http://www.gnu.org/licenses/>. |
b912c99c JH |
18 | */ |
19 | ||
eb8269e3 | 20 | #include <cassert> |
b912c99c JH |
21 | |
22 | #include <QDoubleSpinBox> | |
23 | ||
2acdb232 | 24 | #include "double.hpp" |
b912c99c | 25 | |
819f4c25 JH |
26 | using boost::optional; |
27 | using std::pair; | |
b912c99c JH |
28 | |
29 | namespace pv { | |
30 | namespace prop { | |
31 | ||
32 | Double::Double(QString name, | |
33 | int decimals, | |
34 | QString suffix, | |
35 | optional< pair<double, double> > range, | |
36 | optional<double> step, | |
9b258927 JH |
37 | Getter getter, |
38 | Setter setter) : | |
39 | Property(name, getter, setter), | |
8dbbc7f0 JH |
40 | decimals_(decimals), |
41 | suffix_(suffix), | |
42 | range_(range), | |
43 | step_(step), | |
4c60462b | 44 | spin_box_(nullptr) |
b912c99c JH |
45 | { |
46 | } | |
47 | ||
b1fe148e | 48 | QWidget* Double::get_widget(QWidget *parent, bool auto_commit) |
b912c99c | 49 | { |
8dbbc7f0 JH |
50 | if (spin_box_) |
51 | return spin_box_; | |
b912c99c | 52 | |
8dbbc7f0 | 53 | if (!getter_) |
4c60462b | 54 | return nullptr; |
f4592592 | 55 | |
8dbbc7f0 | 56 | Glib::VariantBase variant = getter_(); |
e8d00928 | 57 | if (!variant.gobj()) |
4c60462b | 58 | return nullptr; |
e8d00928 ML |
59 | |
60 | double value = Glib::VariantBase::cast_dynamic<Glib::Variant<double>>( | |
61 | variant).get(); | |
62 | ||
8dbbc7f0 JH |
63 | spin_box_ = new QDoubleSpinBox(parent); |
64 | spin_box_->setDecimals(decimals_); | |
65 | spin_box_->setSuffix(suffix_); | |
66 | if (range_) | |
67 | spin_box_->setRange(range_->first, range_->second); | |
68 | if (step_) | |
69 | spin_box_->setSingleStep(*step_); | |
b912c99c | 70 | |
8dbbc7f0 | 71 | spin_box_->setValue(value); |
9f6af8bd | 72 | |
b1fe148e | 73 | if (auto_commit) |
8dbbc7f0 | 74 | connect(spin_box_, SIGNAL(valueChanged(double)), |
b1fe148e JH |
75 | this, SLOT(on_value_changed(double))); |
76 | ||
8dbbc7f0 | 77 | return spin_box_; |
b912c99c JH |
78 | } |
79 | ||
80 | void Double::commit() | |
81 | { | |
8dbbc7f0 | 82 | assert(setter_); |
b912c99c | 83 | |
8dbbc7f0 | 84 | if (!spin_box_) |
b912c99c JH |
85 | return; |
86 | ||
8dbbc7f0 | 87 | setter_(Glib::Variant<double>::create(spin_box_->value())); |
b912c99c JH |
88 | } |
89 | ||
b1fe148e JH |
90 | void Double::on_value_changed(double) |
91 | { | |
92 | commit(); | |
93 | } | |
94 | ||
b912c99c JH |
95 | } // prop |
96 | } // pv |