mirror of git://sigrok.org/pulseview
262 lines
6.6 KiB
C++
262 lines
6.6 KiB
C++
/*
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* This file is part of the PulseView project.
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*
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* Copyright (C) 2012 Joel Holdsworth <joel@airwebreathe.org.uk>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, see <http://www.gnu.org/licenses/>.
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*/
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#include <map>
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#include <QCheckBox>
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#include <QFormLayout>
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#include <QGridLayout>
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#include <QLabel>
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#include "channels.hpp"
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#include <pv/session.hpp>
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#include <pv/binding/device.hpp>
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#include <pv/data/signalbase.hpp>
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#include <pv/devices/device.hpp>
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using std::make_shared;
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using std::map;
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using std::out_of_range;
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using std::shared_ptr;
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using std::unordered_set;
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using std::vector;
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using pv::data::SignalBase;
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using sigrok::Channel;
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using sigrok::ChannelGroup;
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using sigrok::Device;
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namespace pv {
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namespace popups {
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Channels::Channels(Session &session, QWidget *parent) :
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Popup(parent),
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session_(session),
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updating_channels_(false),
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enable_all_channels_(tr("Enable All"), this),
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disable_all_channels_(tr("Disable All"), this),
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check_box_mapper_(this)
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{
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// Create the layout
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setLayout(&layout_);
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const shared_ptr<sigrok::Device> device = session_.device()->device();
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assert(device);
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// Collect a set of signals
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map<shared_ptr<Channel>, shared_ptr<SignalBase> > signal_map;
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unordered_set< shared_ptr<SignalBase> > sigs;
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for (const shared_ptr<data::SignalBase> b : session_.signalbases())
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sigs.insert(b);
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for (const shared_ptr<SignalBase> &sig : sigs)
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signal_map[sig->channel()] = sig;
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// Populate channel groups
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for (auto entry : device->channel_groups()) {
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const shared_ptr<ChannelGroup> group = entry.second;
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// Make a set of signals and remove these signals from the signal map
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vector< shared_ptr<SignalBase> > group_sigs;
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for (auto channel : group->channels()) {
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const auto iter = signal_map.find(channel);
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if (iter == signal_map.end())
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break;
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group_sigs.push_back((*iter).second);
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signal_map.erase(iter);
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}
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populate_group(group, group_sigs);
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}
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// Make a vector of the remaining channels
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vector< shared_ptr<SignalBase> > global_sigs;
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for (auto channel : device->channels()) {
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const map<shared_ptr<Channel>, shared_ptr<SignalBase> >::
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const_iterator iter = signal_map.find(channel);
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if (iter != signal_map.end())
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global_sigs.push_back((*iter).second);
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}
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// Create a group
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populate_group(nullptr, global_sigs);
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// Create the enable/disable all buttons
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connect(&enable_all_channels_, SIGNAL(clicked()),
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this, SLOT(enable_all_channels()));
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connect(&disable_all_channels_, SIGNAL(clicked()),
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this, SLOT(disable_all_channels()));
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enable_all_channels_.setFlat(true);
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disable_all_channels_.setFlat(true);
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buttons_bar_.addWidget(&enable_all_channels_);
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buttons_bar_.addWidget(&disable_all_channels_);
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buttons_bar_.addStretch(1);
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layout_.addRow(&buttons_bar_);
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// Connect the check-box signal mapper
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connect(&check_box_mapper_, SIGNAL(mapped(QWidget*)),
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this, SLOT(on_channel_checked(QWidget*)));
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}
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void Channels::set_all_channels(bool set)
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{
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updating_channels_ = true;
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for (auto entry : check_box_signal_map_) {
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QCheckBox *cb = entry.first;
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const shared_ptr<SignalBase> sig = entry.second;
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assert(sig);
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sig->set_enabled(set);
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cb->setChecked(set);
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}
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updating_channels_ = false;
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}
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void Channels::populate_group(shared_ptr<ChannelGroup> group,
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const vector< shared_ptr<SignalBase> > sigs)
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{
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using pv::binding::Device;
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// Only bind options if this is a group. We don't do it for general
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// options, because these properties are shown in the device config
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// popup.
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shared_ptr<Device> binding;
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if (group)
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binding = make_shared<Device>(group);
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// Create a title if the group is going to have any content
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if ((!sigs.empty() || (binding && !binding->properties().empty())) && group)
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{
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QLabel *label = new QLabel(
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QString("<h3>%1</h3>").arg(group->name().c_str()));
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layout_.addRow(label);
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group_label_map_[group] = label;
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}
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// Create the channel group grid
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QGridLayout *const channel_grid = create_channel_group_grid(sigs);
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layout_.addRow(channel_grid);
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// Create the channel group options
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if (binding) {
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binding->add_properties_to_form(&layout_, true);
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group_bindings_.push_back(binding);
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}
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}
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QGridLayout* Channels::create_channel_group_grid(
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const vector< shared_ptr<SignalBase> > sigs)
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{
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int row = 0, col = 0;
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QGridLayout *const grid = new QGridLayout();
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for (const shared_ptr<SignalBase>& sig : sigs) {
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assert(sig);
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QCheckBox *const checkbox = new QCheckBox(sig->display_name());
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check_box_mapper_.setMapping(checkbox, checkbox);
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connect(checkbox, SIGNAL(toggled(bool)),
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&check_box_mapper_, SLOT(map()));
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grid->addWidget(checkbox, row, col);
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check_box_signal_map_[checkbox] = sig;
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if (++col >= 8)
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col = 0, row++;
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}
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return grid;
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}
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void Channels::showEvent(QShowEvent *event)
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{
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pv::widgets::Popup::showEvent(event);
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const shared_ptr<sigrok::Device> device = session_.device()->device();
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assert(device);
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// Update group labels
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for (auto entry : device->channel_groups()) {
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const shared_ptr<ChannelGroup> group = entry.second;
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try {
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QLabel* label = group_label_map_.at(group);
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label->setText(QString("<h3>%1</h3>").arg(group->name().c_str()));
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} catch (out_of_range) {
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// Do nothing
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}
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}
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updating_channels_ = true;
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for (auto entry : check_box_signal_map_) {
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QCheckBox *cb = entry.first;
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const shared_ptr<SignalBase> sig = entry.second;
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assert(sig);
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// Update the check box
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cb->setChecked(sig->enabled());
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cb->setText(sig->display_name());
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}
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updating_channels_ = false;
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}
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void Channels::on_channel_checked(QWidget *widget)
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{
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if (updating_channels_)
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return;
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QCheckBox *const check_box = (QCheckBox*)widget;
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assert(check_box);
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// Look up the signal of this check-box
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map< QCheckBox*, shared_ptr<SignalBase> >::const_iterator iter =
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check_box_signal_map_.find((QCheckBox*)check_box);
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assert(iter != check_box_signal_map_.end());
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const shared_ptr<SignalBase> s = (*iter).second;
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assert(s);
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s->set_enabled(check_box->isChecked());
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}
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void Channels::enable_all_channels()
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{
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set_all_channels(true);
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}
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void Channels::disable_all_channels()
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{
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set_all_channels(false);
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}
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} // namespace popups
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} // namespace pv
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