subsurface/qt-ui/profile/divetooltipitem.h

#ifndef DIVETOOLTIPITEM_H
#define DIVETOOLTIPITEM_H

#include <QGraphicsPathItem>
#include <QVector>
#include <QPair>
#include <QRectF>
#include <QIcon>
#include "display.h"

class DiveCartesianAxis;
class QGraphicsLineItem;
class QGraphicsSimpleTextItem;
class QGraphicsPixmapItem;
struct graphics_context;

/* To use a tooltip, simply ->setToolTip on the QGraphicsItem that you want
 * or, if it's a "global" tooltip, set it on the mouseMoveEvent of the ProfileGraphicsView.
 */
class ToolTipItem :public QObject, public QGraphicsPathItem
{
	Q_OBJECT
	void updateTitlePosition();
	Q_PROPERTY(QRectF rect READ boundingRect WRITE setRect)

public:
	enum Status{COLLAPSED, EXPANDED};
	enum {ICON_SMALL = 16, ICON_MEDIUM = 24, ICON_BIG = 32, SPACING=4};

	explicit ToolTipItem(QGraphicsItem* parent = 0);
	virtual ~ToolTipItem();

	void collapse();
	void expand();
	void clear();
	void addToolTip(const QString& toolTip, const QIcon& icon = QIcon());
	void refresh(struct graphics_context* gc, QPointF pos);
	void refresh(const QPointF& pos);
	bool isExpanded() const;
	void persistPos();
	void readPos();
	void mouseReleaseEvent(QGraphicsSceneMouseEvent* event);
	void setTimeAxis(DiveCartesianAxis *axis);
	void setPlotInfo(const plot_info& plot);
public slots:
	void setRect(const QRectF& rect);

private:
	typedef QPair<QGraphicsPixmapItem*, QGraphicsSimpleTextItem*> ToolTip;
	QVector<ToolTip> toolTips;
	QGraphicsPathItem *background;
	QGraphicsLineItem *separator;
	QGraphicsSimpleTextItem *title;
	Status status;
	QRectF rectangle;
	QRectF nextRectangle;
	DiveCartesianAxis *timeAxis;
	plot_info pInfo;
};

#endif