pv/views/viewbase.cpp

   1 /*
   2  * This file is part of the PulseView project.
   3  *
   4  * Copyright (C) 2012 Joel Holdsworth <joel@airwebreathe.org.uk>
   5  * Copyright (C) 2016 Soeren Apel <soeren@apelpie.net>
   6  *
   7  * This program is free software; you can redistribute it and/or modify
   8  * it under the terms of the GNU General Public License as published by
   9  * the Free Software Foundation; either version 2 of the License, or
  10  * (at your option) any later version.
  11  *
  12  * This program is distributed in the hope that it will be useful,
  13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15  * GNU General Public License for more details.
  16  *
  17  * You should have received a copy of the GNU General Public License
  18  * along with this program; if not, see <http://www.gnu.org/licenses/>.
  19  */
  20
  21 #ifdef ENABLE_DECODE
  22 #include <libsigrokdecode/libsigrokdecode.h>
  23 #endif
  24
  25 #include <libsigrokcxx/libsigrokcxx.hpp>
  26
  27 #include "pv/session.hpp"
  28 #include "pv/util.hpp"
  29
  30 using std::shared_ptr;
  31
  32 namespace pv {
  33 namespace views {
  34
  35 const int ViewBase::MaxViewAutoUpdateRate = 25; // No more than 25 Hz
  36
  37 ViewBase::ViewBase(Session &session, bool is_main_view, QWidget *parent) :
  38         session_(session),
  39         is_main_view_(is_main_view)
  40 {
  41         (void)parent;
  42
  43         connect(&session_, SIGNAL(signals_changed()),
  44                 this, SLOT(signals_changed()));
  45         connect(&session_, SIGNAL(capture_state_changed(int)),
  46                 this, SLOT(capture_state_updated(int)));
  47         connect(&session_, SIGNAL(new_segment(int)),
  48                 this, SLOT(on_new_segment(int)));
  49
  50         connect(&delayed_view_updater_, SIGNAL(timeout()),
  51                 this, SLOT(perform_delayed_view_update()));
  52         delayed_view_updater_.setSingleShot(true);
  53         delayed_view_updater_.setInterval(1000 / MaxViewAutoUpdateRate);
  54 }
  55
  56 Session& ViewBase::session()
  57 {
  58         return session_;
  59 }
  60
  61 const Session& ViewBase::session() const
  62 {
  63         return session_;
  64 }
  65
  66 void ViewBase::clear_signals()
  67 {
  68 }
  69
  70 unordered_set< shared_ptr<data::SignalBase> > ViewBase::signalbases() const
  71 {
  72         return signalbases_;
  73 }
  74
  75 void ViewBase::clear_signalbases()
  76 {
  77         for (shared_ptr<data::SignalBase> signalbase : signalbases_) {
  78                 disconnect(signalbase.get(), SIGNAL(samples_cleared()),
  79                         this, SLOT(on_data_updated()));
  80                 disconnect(signalbase.get(), SIGNAL(samples_added(QObject*, uint64_t, uint64_t)),
  81                         this, SLOT(on_data_updated()));
  82         }
  83
  84         signalbases_.clear();
  85 }
  86
  87 void ViewBase::add_signalbase(const shared_ptr<data::SignalBase> signalbase)
  88 {
  89         signalbases_.insert(signalbase);
  90
  91         connect(signalbase.get(), SIGNAL(samples_cleared()),
  92                 this, SLOT(on_data_updated()));
  93         connect(signalbase.get(), SIGNAL(samples_added(QObject*, uint64_t, uint64_t)),
  94                 this, SLOT(on_data_updated()));
  95 }
  96
  97 #ifdef ENABLE_DECODE
  98 void ViewBase::clear_decode_signals()
  99 {
 100 }
 101
 102 void ViewBase::add_decode_signal(shared_ptr<data::DecodeSignal> signal)
 103 {
 104         (void)signal;
 105 }
 106
 107 void ViewBase::remove_decode_signal(shared_ptr<data::DecodeSignal> signal)
 108 {
 109         (void)signal;
 110 }
 111 #endif
 112
 113 void ViewBase::save_settings(QSettings &settings) const
 114 {
 115         (void)settings;
 116 }
 117
 118 void ViewBase::restore_settings(QSettings &settings)
 119 {
 120         (void)settings;
 121 }
 122
 123 void ViewBase::trigger_event(util::Timestamp location)
 124 {
 125         (void)location;
 126 }
 127
 128 void ViewBase::signals_changed()
 129 {
 130 }
 131
 132 void ViewBase::on_new_segment(int new_segment_id)
 133 {
 134         (void)new_segment_id;
 135 }
 136
 137 void ViewBase::on_segment_completed(int new_segment_id)
 138 {
 139         (void)new_segment_id;
 140 }
 141
 142 void ViewBase::capture_state_updated(int state)
 143 {
 144         (void)state;
 145 }
 146
 147 void ViewBase::perform_delayed_view_update()
 148 {
 149 }
 150
 151 void ViewBase::on_data_updated()
 152 {
 153         if (!delayed_view_updater_.isActive())
 154                 delayed_view_updater_.start();
 155 }
 156
 157 }  // namespace views
 158 } // namespace pv