pv/widgets/decodermenu.cpp

   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, bool first_level_decoder) :
  30         QMenu(parent),
  31         mapper_(this)
  32 {
  33         GSList *l = g_slist_sort(g_slist_copy(
  34                 (GSList*)srd_decoder_list()), decoder_name_cmp);
  35         for (; 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                         QAction *const action =
  42                                 addAction(QString::fromUtf8(d->name));
  43                         action->setData(qVariantFromValue(l->data));
  44                         mapper_.setMapping(action, action);
  45                         connect(action, SIGNAL(triggered()),
  46                                 &mapper_, SLOT(map()));
  47                 }
  48         }
  49         g_slist_free(l);
  50
  51         connect(&mapper_, SIGNAL(mapped(QObject*)),
  52                 this, SLOT(on_action(QObject*)));
  53 }
  54
  55 int DecoderMenu::decoder_name_cmp(const void *a, const void *b)
  56 {
  57         return strcmp(((const srd_decoder*)a)->name,
  58                 ((const srd_decoder*)b)->name);
  59 }
  60
  61 void DecoderMenu::on_action(QObject *action)
  62 {
  63         assert(action);
  64         srd_decoder *const dec =
  65                 (srd_decoder*)((QAction*)action)->data().value<void*>();
  66         assert(dec);
  67
  68         decoder_selected(dec);
  69 }
  70
  71 } // widgets
  72 } // pv