297 lines
9.2 KiB
C++
297 lines
9.2 KiB
C++
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#include "gtl_gui_chart_markers.h"
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namespace gtl
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{
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namespace gui
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{
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class markers_cmp
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{
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public:
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bool operator()(chart_marker* m0, chart_marker* m1) const
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{
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return m0->pos() < m1->pos();
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}
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};
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chart_markers::chart_markers(QObject *parent)
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: QAbstractTableModel(parent)
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, _color(Qt::black)
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, _bgnd_color(Qt::white)
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{
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}
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QVariant chart_markers::headerData(int section, Qt::Orientation orientation, int role) const
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{
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if(role == Qt::DisplayRole)
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{
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if(orientation == Qt::Vertical)
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{
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if(section == 0)
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return "";
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else
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return _series[section - 1]->name();
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}
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else
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{
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return 1;
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}
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}
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else if (role == Qt::BackgroundRole)
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{
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return QVariant(QBrush(/*Qt::white*/_bgnd_color));
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}
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else if (role == Qt::ForegroundRole)
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{
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if (section == 0)
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return QVariant(QBrush(/*Qt::black*/_color));
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else
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return QVariant(QBrush(_series[section - 1]->color()));
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}
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return QVariant();
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}
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int chart_markers::rowCount(const QModelIndex &/*parent*/) const
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{
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return _series.size() + 1;
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}
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int chart_markers::columnCount(const QModelIndex &/*parent*/) const
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{
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return _markers.size()*2 + 1;
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}
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QVariant chart_markers::data(const QModelIndex &index, int role) const
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{
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if (!index.isValid())
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return QVariant();
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if(role == Qt::DisplayRole)
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{
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if (index.column() == 0)
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return index.row() == 0 ? "x" : "y";
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if (index.column() % 2 == 1)
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{
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if(index.row() != 0)
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return QVariant(QString::number(index.column() / 2 + 1));
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}
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else if (index.row() == 0)
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return QVariant(QString::number(_markers[(index.column() - 1) / 2]->pos(), 'f', 3));
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else
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{
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qreal value = _markers[(index.column() - 1) / 2]->value(index.row() - 1);
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return qIsNaN(value) ? "-" : QString::number(value, 'f', 6);
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}
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}
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else if (role == Qt::BackgroundRole)
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{
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return QVariant(QBrush(/*Qt::white*/_bgnd_color));
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}
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else if (role == Qt::ForegroundRole)
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{
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if (index.row() == 0)
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if (index.column() == 0)
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return QVariant(QBrush(/*Qt::black*/_color));
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else
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return QVariant(QBrush(/*Qt::black*//*_color*/_markers[(index.column() - 1) / 2]->color()));
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else if(index.column() % 2 == 1)
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return QVariant(QBrush(/*Qt::black*//*_color*/_markers[(index.column() - 1) / 2]->color()));
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else
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return QVariant(QBrush(_series[index.row() - 1]->color()));
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}
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else if (role == Qt::TextAlignmentRole)
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return QVariant(Qt::AlignCenter);
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else if (role == Qt::DecorationRole)
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{
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if (index.column() % 2 == 1)
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{
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if(index.row() == 0)
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{
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if(QString(_markers[(index.column() - 1) / 2]->metaObject()->className()).contains("chart_marker"))
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return QVariant(QPixmap(":chart/single_marker"));
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else if(QString(_markers[(index.column() - 1) / 2]->metaObject()->className()).contains("band_marker"))
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return QVariant(QPixmap(":chart/band_marker"));
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else if(QString(_markers[(index.column() - 1) / 2]->metaObject()->className()).contains("harm_marker"))
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return QVariant(QPixmap(":chart/harm_marker"));
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}
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}
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}
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/*
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else if (role == Qt::SizeHintRole)
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{
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if (index.column() % 2 == 1)
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{
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if(index.row() == 0)
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return QVariant(QSize(10, 10));
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}
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}
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*/
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return QVariant();
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}
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void chart_markers::add_marker(chart_marker *marker)
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{
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// marker->set_color(_color);
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beginInsertColumns(QModelIndex(), (int)_markers.size(), (int)_markers.size() + 1);
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_markers.push_back(marker);
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endInsertColumns();
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connect(marker, &chart_marker::position_changed, this, &chart_markers::marker_position_changed);
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connect(marker, &chart_marker::idx_changed, this, &chart_markers::marker_position_changed);
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sort_markers();
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}
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void chart_markers::remove_marker(chart_marker *marker)
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{
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int idx = index_of(marker);
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beginRemoveColumns(QModelIndex(), idx*2 + 1, idx*2 + 2);
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_markers.erase(_markers.begin() + idx);
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endRemoveColumns();
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sort_markers();
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}
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void chart_markers::add_series(chart_series *series)
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{
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beginInsertRows(QModelIndex(), (int)_series.size() + 1, (int)_series.size() + 1);
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_series.push_back(series);
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endInsertRows();
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connect(series, &chart_series::data_changed, this, &chart_markers::series_data_changed);
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if(_series.size() == 1)
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{
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foreach(chart_marker* marker, _markers)
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marker->set_pos();
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}
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}
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void chart_markers::remove_series(chart_series *series)
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{
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int idx = index_of(series);
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beginRemoveRows(QModelIndex(), idx + 1, idx + 1);
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_series.erase(_series.begin() + idx);
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endRemoveRows();
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}
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chart_marker *chart_markers::marker_at(const QPointF &point) const
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{
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foreach(chart_marker* marker, _markers)
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{
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if(marker->contains(point))
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return marker;
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}
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return NULL;
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}
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int chart_markers::count_markers() const
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{
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return (int)_markers.size();
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}
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chart_marker *chart_markers::marker(int idx) const
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{
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return _markers[idx];
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}
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void chart_markers::set_color(QColor color)
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{
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// for(auto marker: _markers)
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// marker->set_color(color);
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_color = color;
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emit color_changed();
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emit dataChanged(index(0, 0), index(rowCount() - 1, columnCount() - 1), QList<int>() << Qt::ForegroundRole);
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}
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QColor chart_markers::color() const
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{
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return _color;
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}
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void chart_markers::set_bgnd_color(QColor color)
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{
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_bgnd_color = color;
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emit color_changed();
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emit dataChanged(index(0, 0), index(rowCount() - 1, columnCount() - 1), QList<int>() << Qt::ForegroundRole);
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}
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QColor chart_markers::bgnd_color() const
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{
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return _bgnd_color;
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}
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QVariant chart_markers::get_marker_value(int idx_marker, int idx_series) const
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{
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if(_series[idx_series]->size() < 2)
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return QVariant("-");
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qreal x = _markers[idx_marker]->pos();
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auto it = std::lower_bound(_series[idx_series]->begin_data(), _series[idx_series]->end_data(), QPointF(x, 0), [](
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const QPointF &p0, const QPointF &p1)
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{
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return p0.x() < p1.x();
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}
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);
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if(it->x() == x)
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return QString::number(it->y(), 'f', 6);
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return QVariant("-");
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}
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int chart_markers::index_of(chart_marker *marker) const
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{
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return std::find(_markers.begin(), _markers.end(), marker) - _markers.begin();
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}
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int chart_markers::index_of(chart_series *series) const
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{
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return std::find(_series.begin(), _series.end(), series) - _series.begin();
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}
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void chart_markers::sort_markers()
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{
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std::sort(_markers.begin(), _markers.end(), markers_cmp());
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for(int i = 0; i < _markers.size(); i++)
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_markers[i]->set_idx(i);
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}
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void chart_markers::marker_position_changed()
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{
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sort_markers();
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int idx = index_of(static_cast<chart_marker*>(sender()));
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emit dataChanged(index(0, idx*2 + 2), index(rowCount() - 1, idx*2 + 1), QList<int>() << Qt::DisplayRole);
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}
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void chart_markers::series_data_changed()
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{
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int idx = index_of(static_cast<chart_series*>(sender()));
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emit dataChanged(index(idx + 1, 0), index(idx + 1, columnCount() - 1), QList<int>() << Qt::DisplayRole);
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}
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}
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}
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