Clementine-audio-player-Mac.../src/analyzers/analyzercontainer.cpp

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#include "analyzercontainer.h"
#include "baranalyzer.h"
#include "blockanalyzer.h"
#include <QContextMenuEvent>
#include <QHBoxLayout>
#include <QSettings>
const char* AnalyzerContainer::kSettingsGroup = "Analyzer";
AnalyzerContainer::AnalyzerContainer(QWidget *parent)
: QWidget(parent),
context_menu_(new QMenu(this)),
group_(new QActionGroup(this)),
mapper_(new QSignalMapper(this)),
current_analyzer_(NULL),
engine_(NULL)
{
QHBoxLayout* layout = new QHBoxLayout(this);
setLayout(layout);
layout->setContentsMargins(0, 0, 0, 0);
AddAnalyzerType<BarAnalyzer>();
AddAnalyzerType<BlockAnalyzer>();
connect(mapper_, SIGNAL(mapped(int)), SLOT(ChangeAnalyzer(int)));
context_menu_->addSeparator();
disable_action_ =
context_menu_->addAction(tr("No analyzer"), this, SLOT(DisableAnalyzer()));
disable_action_->setCheckable(true);
group_->addAction(disable_action_);
Load();
}
void AnalyzerContainer::contextMenuEvent(QContextMenuEvent* e) {
context_menu_->popup(e->globalPos());
}
void AnalyzerContainer::set_engine(EngineBase *engine) {
if (current_analyzer_)
current_analyzer_->set_engine(engine);
engine_ = engine;
}
void AnalyzerContainer::DisableAnalyzer() {
delete current_analyzer_;
current_analyzer_ = NULL;
Save();
}
void AnalyzerContainer::ChangeAnalyzer(int id) {
delete current_analyzer_;
current_analyzer_ = qobject_cast<Analyzer::Base*>(
analyzer_types_[id]->newInstance(Q_ARG(QWidget*, this)));
current_analyzer_->set_engine(engine_);
layout()->addWidget(current_analyzer_);
Save();
}
void AnalyzerContainer::Load() {
QSettings s;
s.beginGroup(kSettingsGroup);
QString type = s.value("type", "BlockAnalyzer").toString();
if (type.isEmpty()) {
DisableAnalyzer();
disable_action_->setChecked(true);
} else {
for (int i=0 ; i<analyzer_types_.count() ; ++i) {
if (type == analyzer_types_[i]->className()) {
ChangeAnalyzer(i);
actions_[i]->setChecked(true);
break;
}
}
}
}
void AnalyzerContainer::Save() {
QSettings s;
s.beginGroup(kSettingsGroup);
s.setValue("type", current_analyzer_ ?
current_analyzer_->metaObject()->className() :
QVariant());
}