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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, |
9b258927 JH |
34 | vector<pair<GVariant*, QString> > values, |
35 | Getter getter, Setter setter) : | |
36 | Property(name, getter, setter), | |
820c3dea JH |
37 | _values(values), |
38 | _selector(NULL) | |
39 | { | |
1d7edbbd JH |
40 | for (vector< pair<GVariant*, QString> >::const_iterator i = |
41 | _values.begin(); i != _values.end(); i++) | |
42 | g_variant_ref((*i).first); | |
820c3dea JH |
43 | } |
44 | ||
9b258927 JH |
45 | Enum::~Enum() |
46 | { | |
1e5faac3 JH |
47 | for (vector< pair<GVariant*, QString> >::const_iterator i = |
48 | _values.begin(); i != _values.end(); i++) | |
49 | g_variant_unref((*i).first); | |
9b258927 JH |
50 | } |
51 | ||
b1fe148e | 52 | QWidget* Enum::get_widget(QWidget *parent, bool auto_commit) |
820c3dea | 53 | { |
9ba4ca35 | 54 | if (_selector) |
820c3dea JH |
55 | return _selector; |
56 | ||
9b258927 | 57 | GVariant *const value = _getter ? _getter() : NULL; |
f352b9bb JH |
58 | if (!value) |
59 | return NULL; | |
d191508b | 60 | |
820c3dea | 61 | _selector = new QComboBox(parent); |
793f8096 | 62 | for (unsigned int i = 0; i < _values.size(); i++) { |
9b258927 JH |
63 | const pair<GVariant*, QString> &v = _values[i]; |
64 | _selector->addItem(v.second, qVariantFromValue((void*)v.first)); | |
7a2b7394 | 65 | if (value && g_variant_equal(v.first, value)) |
d191508b JH |
66 | _selector->setCurrentIndex(i); |
67 | } | |
820c3dea | 68 | |
9b258927 JH |
69 | g_variant_unref(value); |
70 | ||
b1fe148e JH |
71 | if (auto_commit) |
72 | connect(_selector, SIGNAL(currentIndexChanged(int)), | |
73 | this, SLOT(on_current_item_changed(int))); | |
74 | ||
820c3dea JH |
75 | return _selector; |
76 | } | |
77 | ||
24bb0bd1 JH |
78 | void Enum::commit() |
79 | { | |
80 | assert(_setter); | |
81 | ||
9ba4ca35 | 82 | if (!_selector) |
24bb0bd1 JH |
83 | return; |
84 | ||
85 | const int index = _selector->currentIndex(); | |
86 | if (index < 0) | |
87 | return; | |
88 | ||
9b258927 | 89 | _setter((GVariant*)_selector->itemData(index).value<void*>()); |
24bb0bd1 JH |
90 | } |
91 | ||
b1fe148e JH |
92 | void Enum::on_current_item_changed(int) |
93 | { | |
94 | commit(); | |
95 | } | |
96 | ||
820c3dea JH |
97 | } // prop |
98 | } // pv |