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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 | ||
21 | #include <assert.h> | |
22 | ||
23 | #include <QComboBox> | |
24 | ||
25 | #include "enum.h" | |
26 | ||
27 | using namespace boost; | |
28 | using namespace std; | |
29 | ||
30 | namespace pv { | |
31 | namespace prop { | |
32 | ||
33 | Enum::Enum(QString name, | |
34 | vector<pair<const void*, QString> > values, | |
35 | function<const void* ()> getter, | |
36 | function<void (const void*)> setter) : | |
37 | Property(name), | |
38 | _values(values), | |
39 | _getter(getter), | |
40 | _setter(setter), | |
41 | _selector(NULL) | |
42 | { | |
43 | } | |
44 | ||
45 | QWidget* Enum::get_widget(QWidget *parent) | |
46 | { | |
47 | if (_selector) | |
48 | return _selector; | |
49 | ||
50 | const void *value = NULL; | |
51 | if (_getter) | |
52 | value = _getter(); | |
53 | ||
54 | _selector = new QComboBox(parent); | |
55 | for (unsigned int i = 0; i < _values.size(); i++) { | |
56 | const pair<const void*, QString> &v = _values[i]; | |
57 | _selector->addItem(v.second, | |
58 | qVariantFromValue((void*)v.first)); | |
59 | if (v.first == value) | |
60 | _selector->setCurrentIndex(i); | |
61 | } | |
62 | ||
63 | return _selector; | |
64 | } | |
65 | ||
66 | void Enum::commit() | |
67 | { | |
68 | assert(_setter); | |
69 | ||
70 | if (!_selector) | |
71 | return; | |
72 | ||
73 | const int index = _selector->currentIndex(); | |
74 | if (index < 0) | |
75 | return; | |
76 | ||
77 | _setter(_selector->itemData(index).value<void*>()); | |
78 | } | |
79 | ||
80 | } // prop | |
81 | } // pv |