PulseView  0.3.0
A Qt-based sigrok GUI
decodermenu.cpp
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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, write to the Free Software
18  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
19  */
20 
21 #include <cassert>
22 
23 #include <libsigrokdecode/libsigrokdecode.h>
24 
25 #include "decodermenu.hpp"
26 
27 namespace pv {
28 namespace widgets {
29 
30 DecoderMenu::DecoderMenu(QWidget *parent, bool first_level_decoder) :
31  QMenu(parent),
32  mapper_(this)
33 {
34  GSList *l = g_slist_sort(g_slist_copy(
35  (GSList*)srd_decoder_list()), decoder_name_cmp);
36  for (; l; l = l->next) {
37  const srd_decoder *const d = (srd_decoder*)l->data;
38  assert(d);
39 
40  const bool have_channels = (d->channels || d->opt_channels) != 0;
41  if (first_level_decoder == have_channels) {
42  QAction *const action =
43  addAction(QString::fromUtf8(d->name));
44  action->setData(qVariantFromValue(l->data));
45  mapper_.setMapping(action, action);
46  connect(action, SIGNAL(triggered()),
47  &mapper_, SLOT(map()));
48  }
49  }
50  g_slist_free(l);
51 
52  connect(&mapper_, SIGNAL(mapped(QObject*)),
53  this, SLOT(on_action(QObject*)));
54 }
55 
56 int DecoderMenu::decoder_name_cmp(const void *a, const void *b)
57 {
58  return strcmp(((const srd_decoder*)a)->name,
59  ((const srd_decoder*)b)->name);
60 }
61 
63 {
64  assert(action);
65  srd_decoder *const dec =
66  (srd_decoder*)((QAction*)action)->data().value<void*>();
67  assert(dec);
68 
69  decoder_selected(dec);
70 }
71 
72 } // widgets
73 } // pv
static int decoder_name_cmp(const void *a, const void *b)
Definition: decodermenu.cpp:56
DecoderMenu(QWidget *parent, bool first_level_decoder=false)
Definition: decodermenu.cpp:30
void decoder_selected(srd_decoder *decoder)
void on_action(QObject *action)
Definition: decodermenu.cpp:62