dialogs/decoder.cpp

   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 extern "C" {
  22 #include <libsigrokdecode/libsigrokdecode.h>
  23 }
  24
  25 #include <utility>
  26
  27 #include <boost/foreach.hpp>
  28
  29 #include <QDebug>
  30
  31 #include "decoder.h"
  32
  33 #include <pv/view/logicsignal.h>
  34 #include <pv/view/signal.h>
  35
  36 using namespace boost;
  37 using namespace std;
  38
  39 namespace pv {
  40 namespace dialogs {
  41
  42 Decoder::Decoder(QWidget *parent, const srd_decoder *decoder,
  43         const vector< shared_ptr<view::Signal> > &sigs) :
  44         QDialog(parent),
  45         _decoder(decoder),
  46         _sigs(sigs),
  47         _layout(this),
  48         _form(this),
  49         _form_layout(&_form),
  50         _heading(this),
  51         _button_box(QDialogButtonBox::Ok | QDialogButtonBox::Cancel,
  52                 Qt::Horizontal, this)
  53 {
  54         const GSList *probe;
  55
  56         setWindowTitle(tr("Configure %1").arg(decoder->name));
  57
  58         _heading.setText(tr("<h2>%1</h2>%2")
  59                 .arg(decoder->longname)
  60                 .arg(decoder->desc));
  61
  62         connect(&_button_box, SIGNAL(accepted()), this, SLOT(accept()));
  63         connect(&_button_box, SIGNAL(rejected()), this, SLOT(reject()));
  64
  65         _form.setLayout(&_form_layout);
  66
  67         setLayout(&_layout);
  68         _layout.addWidget(&_heading);
  69         _layout.addWidget(&_form);
  70         _layout.addWidget(&_button_box);
  71
  72         _form_layout.addRow(new QLabel("<h3>Probes</h3>", &_form));
  73
  74         // Add the mandatory probes
  75         for(probe = decoder->probes; probe; probe = probe->next) {
  76                 const struct srd_probe *const p =
  77                         (struct srd_probe *)probe->data;
  78                 QComboBox *const combo = create_probe_selector(
  79                         &_form, p->name);
  80                 _form_layout.addRow(tr("<b>%1</b> (%2) *")
  81                         .arg(p->name).arg(p->desc), combo);
  82
  83                 _probe_selector_map[p] = combo;
  84         }
  85
  86         // Add the optional probes
  87         for(probe = decoder->opt_probes; probe; probe = probe->next) {
  88                 const struct srd_probe *const p =
  89                         (struct srd_probe *)probe->data;
  90                 QComboBox *const combo = create_probe_selector(
  91                         &_form, p->name);
  92                 _form_layout.addRow(tr("<b>%1</b> (%2)")
  93                         .arg(p->name).arg(p->desc), combo);
  94
  95                 _probe_selector_map[p] = combo;
  96         }
  97
  98         _form_layout.addRow(new QLabel(
  99                 tr("<i>* Required Probes</i>"), &_form));
 100 }
 101
 102 QComboBox* Decoder::create_probe_selector(
 103         QWidget *parent, const char *name)
 104 {
 105         QComboBox *selector = new QComboBox(parent);
 106
 107         selector->addItem("-", qVariantFromValue(-1));
 108         selector->setCurrentIndex(0);
 109
 110         for(size_t i = 0; i < _sigs.size(); i++) {
 111                 const shared_ptr<view::Signal> s(_sigs[i]);
 112                 assert(s);
 113
 114                 if (s->enabled()) {
 115                         selector->addItem(s->get_name(), qVariantFromValue(i));
 116                         if(s->get_name().toLower().contains(
 117                                 QString(name).toLower()))
 118                                 selector->setCurrentIndex(i + 1);
 119                 }
 120         }
 121
 122         return selector;
 123 }
 124
 125 map<const srd_probe*, shared_ptr<view::Signal> > Decoder::get_probes()
 126 {
 127         map<const srd_probe*, shared_ptr<view::Signal> > probe_map;
 128         for(map<const srd_probe*, QComboBox*>::const_iterator i =
 129                 _probe_selector_map.begin();
 130                 i != _probe_selector_map.end(); i++)
 131         {
 132                 const QComboBox *const combo = (*i).second;
 133                 const int probe_index =
 134                         combo->itemData(combo->currentIndex()).value<int>();
 135                 if(probe_index >= 0) {
 136                         shared_ptr<view::Signal> sig = _sigs[probe_index];
 137                         if(dynamic_cast<pv::view::LogicSignal*>(sig.get()))
 138                                 probe_map[(*i).first] = sig;
 139                         else
 140                                 qDebug() << "Currently only logic signals "
 141                                         "are supported for decoding";
 142                 }
 143         }
 144
 145         return probe_map;
 146 }
 147
 148 } // namespace dialogs
 149 } // namespace pv