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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 <libsigrokdecode/libsigrokdecode.h>
23
24 #include "decodermenu.hpp"
25
26 namespace pv {
27 namespace widgets {
28
29 DecoderMenu::DecoderMenu(QWidget *parent, const char* input, bool first_level_decoder) :
30         QMenu(parent),
31         mapper_(this)
32 {
33         GSList *li = g_slist_sort(g_slist_copy(
34                 (GSList*)srd_decoder_list()), decoder_name_cmp);
35         for (GSList *l = li; l; l = l->next) {
36                 const srd_decoder *const d = (srd_decoder*)l->data;
37                 assert(d);
38
39                 const bool have_channels = (d->channels || d->opt_channels) != 0;
40                 if (first_level_decoder != have_channels)
41                         continue;
42
43                 if (!first_level_decoder) {
44                         // Dismiss all non-stacked decoders unless we're looking for first-level decoders
45                         if (!d->inputs)
46                                 continue;
47
48                         // TODO For now we ignore that d->inputs is actually a list
49                         if (strncmp((char*)(d->inputs->data), input, 1024) != 0)
50                                 continue;
51                 }
52
53                 QAction *const action =
54                         addAction(QString::fromUtf8(d->name));
55                 action->setData(qVariantFromValue(l->data));
56                 mapper_.setMapping(action, action);
57                 connect(action, SIGNAL(triggered()),
58                         &mapper_, SLOT(map()));
59         }
60         g_slist_free(li);
61
62         connect(&mapper_, SIGNAL(mapped(QObject*)),
63                 this, SLOT(on_action(QObject*)));
64 }
65
66 int DecoderMenu::decoder_name_cmp(const void *a, const void *b)
67 {
68         return strcmp(((const srd_decoder*)a)->name,
69                 ((const srd_decoder*)b)->name);
70 }
71
72 void DecoderMenu::on_action(QObject *action)
73 {
74         assert(action);
75         srd_decoder *const dec =
76                 (srd_decoder*)((QAction*)action)->data().value<void*>();
77         assert(dec);
78
79         decoder_selected(dec);
80 }
81
82 }  // namespace widgets
83 }  // namespace pv