pv/data/decodesignal.cpp

   1 /*
   2  * This file is part of the PulseView project.
   3  *
   4  * Copyright (C) 2017 Soeren Apel <soeren@apelpie.net>
   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 "logic.hpp"
  21 #include "logicsegment.hpp"
  22 #include "decodesignal.hpp"
  23 #include "signaldata.hpp"
  24
  25 #include <pv/binding/decoder.hpp>
  26 #include <pv/data/decode/decoder.hpp>
  27 #include <pv/data/decode/row.hpp>
  28 #include <pv/data/decoderstack.hpp>
  29 #include <pv/session.hpp>
  30
  31 using std::make_shared;
  32 using std::shared_ptr;
  33 using pv::data::decode::Decoder;
  34 using pv::data::decode::Row;
  35
  36 namespace pv {
  37 namespace data {
  38
  39 DecodeSignal::DecodeSignal(shared_ptr<pv::data::DecoderStack> decoder_stack) :
  40         SignalBase(nullptr, SignalBase::DecodeChannel),
  41         decoder_stack_(decoder_stack)
  42 {
  43         set_name(QString::fromUtf8(decoder_stack_->stack().front()->decoder()->name));
  44
  45         connect(decoder_stack_.get(), SIGNAL(new_annotations()),
  46                 this, SLOT(on_new_annotations()));
  47 }
  48
  49 DecodeSignal::~DecodeSignal()
  50 {
  51 }
  52
  53 bool DecodeSignal::is_decode_signal() const
  54 {
  55         return true;
  56 }
  57
  58 shared_ptr<pv::data::DecoderStack> DecodeSignal::decoder_stack() const
  59 {
  60         return decoder_stack_;
  61 }
  62
  63 const list< shared_ptr<Decoder> >& DecodeSignal::decoder_stack_list() const
  64 {
  65         return decoder_stack_->stack();
  66 }
  67
  68 void DecodeSignal::stack_decoder(srd_decoder *decoder)
  69 {
  70         assert(decoder);
  71         assert(decoder_stack);
  72         decoder_stack_->push(make_shared<data::decode::Decoder>(decoder));
  73         decoder_stack_->begin_decode();
  74 }
  75
  76 void DecodeSignal::remove_decoder(int index)
  77 {
  78         decoder_stack_->remove(index);
  79         decoder_stack_->begin_decode();
  80 }
  81
  82 bool DecodeSignal::toggle_decoder_visibility(int index)
  83 {
  84         const list< shared_ptr<Decoder> > stack(decoder_stack_->stack());
  85
  86         auto iter = stack.cbegin();
  87         for (int i = 0; i < index; i++, iter++)
  88                 assert(iter != stack.end());
  89
  90         shared_ptr<Decoder> dec = *iter;
  91
  92         // Toggle decoder visibility
  93         bool state = false;
  94         if (dec) {
  95                 state = !dec->shown();
  96                 dec->show(state);
  97         }
  98
  99         return state;
 100 }
 101
 102 QString DecodeSignal::error_message() const
 103 {
 104         return decoder_stack_->error_message();
 105 }
 106
 107 vector<Row> DecodeSignal::visible_rows() const
 108 {
 109         return decoder_stack_->get_visible_rows();
 110 }
 111
 112 void DecodeSignal::get_annotation_subset(
 113         vector<pv::data::decode::Annotation> &dest,
 114         const decode::Row &row, uint64_t start_sample,
 115         uint64_t end_sample) const
 116 {
 117         return decoder_stack_->get_annotation_subset(dest, row,
 118                 start_sample, end_sample);
 119 }
 120
 121 void DecodeSignal::on_new_annotations()
 122 {
 123         // Forward the signal to the frontend
 124         new_annotations();
 125 }
 126
 127 } // namespace data
 128 } // namespace pv