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, see <http://www.gnu.org/licenses/>.
18  */
19 
20 #include <cassert>
21 
22 #include <QCheckBox>
23 #include <QDebug>
24 
25 #include <libsigrokcxx/libsigrokcxx.hpp>
26 
27 #include "bool.hpp"
28 
29 namespace pv {
30 namespace prop {
31 
Bool(QString name,QString desc,Getter getter,Setter setter)32 Bool::Bool(QString name, QString desc, Getter getter, Setter setter) :
33 	Property(name, desc, getter, setter),
34 	check_box_(nullptr)
35 {
36 }
37 
get_widget(QWidget * parent,bool auto_commit)38 QWidget* Bool::get_widget(QWidget *parent, bool auto_commit)
39 {
40 	if (check_box_)
41 		return check_box_;
42 
43 	if (!getter_)
44 		return nullptr;
45 
46 	try {
47 		Glib::VariantBase variant = getter_();
48 		if (!variant.gobj())
49 			return nullptr;
50 	} catch (const sigrok::Error &e) {
51 		qWarning() << tr("Querying config key %1 resulted in %2").arg(name_, e.what());
52 		return nullptr;
53 	}
54 
55 	check_box_ = new QCheckBox(name(), parent);
56 	check_box_->setToolTip(desc());
57 
58 	update_widget();
59 
60 	if (auto_commit)
61 		connect(check_box_, SIGNAL(stateChanged(int)),
62 			this, SLOT(on_state_changed(int)));
63 
64 	return check_box_;
65 }
66 
labeled_widget() const67 bool Bool::labeled_widget() const
68 {
69 	return true;
70 }
71 
update_widget()72 void Bool::update_widget()
73 {
74 	if (!check_box_)
75 		return;
76 
77 	Glib::VariantBase variant;
78 
79 	try {
80 		variant = getter_();
81 	} catch (const sigrok::Error &e) {
82 		qWarning() << tr("Querying config key %1 resulted in %2").arg(name_, e.what());
83 		return;
84 	}
85 
86 	assert(variant.gobj());
87 	bool value = Glib::VariantBase::cast_dynamic<Glib::Variant<bool>>(
88 		variant).get();
89 
90 	check_box_->setCheckState(value ? Qt::Checked : Qt::Unchecked);
91 }
92 
commit()93 void Bool::commit()
94 {
95 	assert(setter_);
96 
97 	if (!check_box_)
98 		return;
99 
100 	setter_(Glib::Variant<bool>::create(check_box_->checkState() == Qt::Checked));
101 }
102 
on_state_changed(int)103 void Bool::on_state_changed(int)
104 {
105 	commit();
106 }
107 
108 }  // namespace prop
109 }  // namespace pv
110