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820c3dea JH |
1 | /* |
2 | * This file is part of the PulseView project. | |
3 | * | |
4 | * Copyright (C) 2012 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 | ||
24bb0bd1 JH |
21 | #include <assert.h> |
22 | ||
820c3dea JH |
23 | #include <QComboBox> |
24 | ||
25 | #include "enum.h" | |
26 | ||
819f4c25 JH |
27 | using std::pair; |
28 | using std::vector; | |
820c3dea JH |
29 | |
30 | namespace pv { | |
31 | namespace prop { | |
32 | ||
24bb0bd1 | 33 | Enum::Enum(QString name, |
e8d00928 | 34 | vector<pair<Glib::VariantBase, QString> > values, |
9b258927 JH |
35 | Getter getter, Setter setter) : |
36 | Property(name, getter, setter), | |
820c3dea JH |
37 | _values(values), |
38 | _selector(NULL) | |
39 | { | |
40 | } | |
41 | ||
9b258927 JH |
42 | Enum::~Enum() |
43 | { | |
9b258927 JH |
44 | } |
45 | ||
b1fe148e | 46 | QWidget* Enum::get_widget(QWidget *parent, bool auto_commit) |
820c3dea | 47 | { |
9ba4ca35 | 48 | if (_selector) |
820c3dea JH |
49 | return _selector; |
50 | ||
e8d00928 ML |
51 | if (!_getter) |
52 | return NULL; | |
53 | ||
54 | Glib::VariantBase variant = _getter(); | |
55 | if (!variant.gobj()) | |
f352b9bb | 56 | return NULL; |
d191508b | 57 | |
820c3dea | 58 | _selector = new QComboBox(parent); |
793f8096 | 59 | for (unsigned int i = 0; i < _values.size(); i++) { |
e8d00928 ML |
60 | const pair<Glib::VariantBase, QString> &v = _values[i]; |
61 | _selector->addItem(v.second, qVariantFromValue(v.first)); | |
62 | if (v.first.equal(variant)) | |
d191508b JH |
63 | _selector->setCurrentIndex(i); |
64 | } | |
820c3dea | 65 | |
b1fe148e JH |
66 | if (auto_commit) |
67 | connect(_selector, SIGNAL(currentIndexChanged(int)), | |
68 | this, SLOT(on_current_item_changed(int))); | |
69 | ||
820c3dea JH |
70 | return _selector; |
71 | } | |
72 | ||
24bb0bd1 JH |
73 | void Enum::commit() |
74 | { | |
75 | assert(_setter); | |
76 | ||
9ba4ca35 | 77 | if (!_selector) |
24bb0bd1 JH |
78 | return; |
79 | ||
80 | const int index = _selector->currentIndex(); | |
81 | if (index < 0) | |
82 | return; | |
83 | ||
e8d00928 | 84 | _setter(_selector->itemData(index).value<Glib::VariantBase>()); |
24bb0bd1 JH |
85 | } |
86 | ||
b1fe148e JH |
87 | void Enum::on_current_item_changed(int) |
88 | { | |
89 | commit(); | |
90 | } | |
91 | ||
820c3dea JH |
92 | } // prop |
93 | } // pv |