mirror of
https://github.com/tumic0/GPXSee.git
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107 lines
2.3 KiB
C++
107 lines
2.3 KiB
C++
#ifndef GRAPHVIEW_H
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#define GRAPHVIEW_H
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#include <QGraphicsView>
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#include <QGraphicsScene>
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#include <QVector>
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#include <QList>
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#include <QPointF>
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#include "palette.h"
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class AxisItem;
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class SliderItem;
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class SliderInfoItem;
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class InfoItem;
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class Scene : public QGraphicsScene
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{
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Q_OBJECT
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public:
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Scene(QObject *parent = 0) : QGraphicsScene(parent) {}
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void mousePressEvent(QGraphicsSceneMouseEvent *e);
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signals:
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void mouseClicked(const QPointF &pos);
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};
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class GraphView : public QGraphicsView
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{
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Q_OBJECT
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public:
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GraphView(QWidget *parent = 0);
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~GraphView();
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void loadData(const QVector<QPointF> &data);
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void redraw();
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void clear();
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int count() const {return _graphs.count();}
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const QString &xLabel() const {return _xLabel;}
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const QString &yLabel() const {return _yLabel;}
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const QString &xUnits() const {return _xUnits;}
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const QString &yUnits() const {return _yUnits;}
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qreal xScale() const {return _xScale;}
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qreal yScale() const {return _yScale;}
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void setXLabel(const QString &label);
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void setYLabel(const QString &label);
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void setXUnits(const QString &units);
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void setYUnits(const QString &units);
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void setXScale(qreal scale);
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void setYScale(qreal scale);
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void setSliderPrecision(int precision) {_precision = precision;}
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void setMinYRange(qreal range) {_minYRange = range;}
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qreal sliderPosition() const {return _sliderPos;}
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void setSliderPosition(qreal pos);
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void plot(QPainter *painter, const QRectF &target);
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signals:
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void sliderPositionChanged(qreal);
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protected:
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const QRectF &bounds() const {return _bounds;}
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void resizeEvent(QResizeEvent *);
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void redraw(const QSizeF &size);
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void addInfo(const QString &key, const QString &value);
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void clearInfo();
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void skipColor() {_palette.color();}
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private slots:
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void emitSliderPositionChanged(const QPointF &pos);
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void newSliderPosition(const QPointF &pos);
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private:
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void createXLabel();
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void createYLabel();
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void updateBounds(const QPointF &point);
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void updateSliderInfo();
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qreal _xScale, _yScale;
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QString _xUnits, _yUnits;
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QString _xLabel, _yLabel;
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int _precision;
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qreal _minYRange;
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qreal _sliderPos;
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Scene *_scene;
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AxisItem *_xAxis, *_yAxis;
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SliderItem *_slider;
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SliderInfoItem *_sliderInfo;
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InfoItem *_info;
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QList<QGraphicsPathItem*> _graphs;
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QRectF _bounds;
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Palette _palette;
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};
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#endif // GRAPHVIEW_H
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