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#pragma once
#include "graphing.h"
#include <QWidget>
/**
* The generic base class of all graph axes.
*
* Handles orientation, simple selections, and view area.
*/
class GraphAxisWidget : public QWidget {
Q_OBJECT
public:
enum Orientation {
Horizontal,
Vertical
};
enum SelectionStyle {
None,
Single,
Range
};
public:
GraphAxisWidget(QWidget* parent = 0);
virtual ~GraphAxisWidget(){}
/* Is this axis part of the active selection */
bool hasSelection();
void setSelectable(SelectionStyle selectable);
void setSelectionState(SelectionState* state);
void setOrientation(Orientation v);
virtual void mouseMoveEvent(QMouseEvent *e);
virtual void mousePressEvent(QMouseEvent *e);
virtual void mouseReleaseEvent(QMouseEvent *e);
public slots:
/* The minimum and maximum values of this axis */
void setRange(qint64 min, qint64 max);
/* The currently visible range of values */
void setView(qint64 start, qint64 end);
signals:
void selectionChanged();
protected:
Orientation m_orientation;
/* The min/max value of this axis */
qint64 m_valueMin;
qint64 m_valueMax;
/* The highest and lowest currently visible value */
qint64 m_valueBegin;
qint64 m_valueEnd;
/* Selection */
SelectionStyle m_selectable;
SelectionState* m_selectionState;
/* Mouse tracking */
QPoint m_mousePressPosition;
qint64 m_mousePressValue;
};
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