86 lines
2.1 KiB
C++
86 lines
2.1 KiB
C++
#include "gtl_gui_chart_line.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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chart_line::chart_line(::chart::series::series *parent, Qt::Orientation orientation)
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: ::chart::instrument::primitive::line(parent)
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, _orientation(orientation)
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, _behavior(magnetic_to_sample)
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{
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setFlag(QGraphicsItem::ItemIsMovable, true);
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if(_orientation == Qt::Vertical)
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_cursor = Qt::SplitHCursor;
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else
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_cursor = Qt::SplitVCursor;
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_pen.setStyle(Qt::PenStyle::DashLine);
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set_pos(0);
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}
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void chart_line::set_pos(qreal x)
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{
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emit get_nearest_x(x, _behavior);
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if(_orientation == Qt::Vertical)
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set_line(x, 0, x, 1);
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else
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set_line(0, x, 1, x);
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}
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qreal chart_line::pos()
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{
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if(_orientation == Qt::Vertical)
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return _p0.x();
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else
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return _p0.y();
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}
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chart_line::pos_behaviors chart_line::behavior() const
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{
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return _behavior;
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}
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void chart_line::set_behavior(pos_behaviors behavior)
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{
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_behavior = behavior;
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set_pos(pos());
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}
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void chart_line::set_width(qreal value)
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{
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prepareGeometryChange();
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_pen.setWidth(value);
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}
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qreal chart_line::width() const
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{
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return _pen.width();
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}
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QVariant chart_line::itemChange(GraphicsItemChange change, const QVariant &value)
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{
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if (change == ItemPositionChange)
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{
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blockSignals(true);
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QVariant value0 = chart::instrument::primitive::line::itemChange(change, value);
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blockSignals(false);
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qreal x = pos();
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// emit get_nearest_x(x, _behavior);
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set_pos(x);
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emit signal_moved();
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return value0;
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}
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return chart::instrument::primitive::line::itemChange(change, value);
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}
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}
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}
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