#pragma once
 
#ifndef RULERTOOL_H
#define RULERTOOL_H
 
#include "tools/tool.h"
#include "tproperty.h"
#include "tools/tooloptions.h"
 
#include <QCoreApplication>
 
//----------------------------------------------------------------------------------------------
 
class RulerTool : public TTool
{
	Q_DECLARE_TR_FUNCTIONS(RulerTool)
 
	enum DragMode {
		MakeNewRuler = 0,
		MoveFirstPos,
		MoveSecondPos,
		MoveRuler
	};
 
	TPointD m_firstPos, m_secondPos;
	TPointD m_mousePos;
 
	DragMode m_dragMode;
 
	bool m_justClicked;
 
	std::vector<RulerToolOptionsBox *> m_toolOptionsBox;
 
public:
	RulerTool();
 
	void setToolOptionsBox(RulerToolOptionsBox *toolOptionsBox);
 
	ToolType getToolType() const { return TTool::GenericTool; }
 
	void onImageChanged();
 
	void draw();
 
	void leftButtonDown(const TPointD &pos, const TMouseEvent &e);
 
	void leftButtonDrag(const TPointD &pos, const TMouseEvent &e);
 
	void leftButtonUp(const TPointD &pos, const TMouseEvent &);
 
	void mouseMove(const TPointD &pos, const TMouseEvent &e);
 
	void onActivate();
 
	int getCursorId() const;
 
	void updateToolOption();
 
	/*--- 現在のマウス位置がRulerに十分近ければTrue ---*/
	bool isNearRuler();
 
private:
	/*--- 基準点に対し、マウス位置を0,45,90度にフィットさせた位置を返す ---*/
	TPointD getHVCoordinatedPos(TPointD p, TPointD centerPos);
};
 
#endif