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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 <QDebug> | |
23 | #include <QLineEdit> | |
24 | #include <QSpinBox> | |
25 | ||
26 | #include <libsigrokcxx/libsigrokcxx.hpp> | |
27 | ||
28 | #include "string.hpp" | |
29 | ||
30 | using std::string; | |
31 | ||
32 | using Glib::ustring; | |
33 | ||
34 | namespace pv { | |
35 | namespace prop { | |
36 | ||
37 | String::String(QString name, | |
38 | QString desc, | |
39 | Getter getter, | |
40 | Setter setter) : | |
41 | Property(name, desc, getter, setter), | |
42 | line_edit_(nullptr) | |
43 | { | |
44 | } | |
45 | ||
46 | QWidget* String::get_widget(QWidget *parent, bool auto_commit) | |
47 | { | |
48 | if (line_edit_) | |
49 | return line_edit_; | |
50 | ||
51 | if (!getter_) | |
52 | return nullptr; | |
53 | ||
54 | try { | |
55 | Glib::VariantBase variant = getter_(); | |
56 | if (!variant.gobj()) | |
57 | return nullptr; | |
58 | } catch (const sigrok::Error &e) { | |
59 | qWarning() << tr("Querying config key %1 resulted in %2").arg(name_, e.what()); | |
60 | return nullptr; | |
61 | } | |
62 | ||
63 | line_edit_ = new QLineEdit(parent); | |
64 | ||
65 | update_widget(); | |
66 | ||
67 | if (auto_commit) | |
68 | connect(line_edit_, SIGNAL(textEdited(const QString&)), | |
69 | this, SLOT(on_text_edited(const QString&))); | |
70 | ||
71 | return line_edit_; | |
72 | } | |
73 | ||
74 | void String::update_widget() | |
75 | { | |
76 | if (!line_edit_) | |
77 | return; | |
78 | ||
79 | Glib::VariantBase variant; | |
80 | ||
81 | try { | |
82 | variant = getter_(); | |
83 | } catch (const sigrok::Error &e) { | |
84 | qWarning() << tr("Querying config key %1 resulted in %2").arg(name_, e.what()); | |
85 | return; | |
86 | } | |
87 | ||
88 | assert(variant.gobj()); | |
89 | ||
90 | string value = Glib::VariantBase::cast_dynamic<Glib::Variant<ustring>>( | |
91 | variant).get(); | |
92 | ||
93 | line_edit_->setText(QString::fromStdString(value)); | |
94 | } | |
95 | ||
96 | void String::commit() | |
97 | { | |
98 | assert(setter_); | |
99 | ||
100 | if (!line_edit_) | |
101 | return; | |
102 | ||
103 | QByteArray ba = line_edit_->text().toLocal8Bit(); | |
104 | setter_(Glib::Variant<ustring>::create(ba.data())); | |
105 | } | |
106 | ||
107 | void String::on_text_edited(const QString&) | |
108 | { | |
109 | commit(); | |
110 | } | |
111 | ||
112 | } // namespace prop | |
113 | } // namespace pv |