#ifndef PINCHTOOL_H
#define PINCHTOOL_H

#include "tools/tool.h"
#include "tproperty.h"
#include "toonz/observer.h"
#include "ext/ContextStatus.h"
#include "ext/Selector.h"

// For Qt translation support
#include <QCoreApplication>

class TUndo;

namespace ToonzExt
{
class StrokeDeformation;
}

#undef DVAPI
#undef DVVAR
#ifdef TNZTOOLS_EXPORTS
#define DVAPI DV_EXPORT_API
#define DVVAR DV_EXPORT_VAR
#else
#define DVAPI DV_IMPORT_API
#define DVVAR DV_IMPORT_VAR
#endif

//=============================================================================
//
// PinchTool (private data)
//
//=============================================================================

class DVAPI PinchTool : public TTool
{
	Q_DECLARE_TR_FUNCTIONS(PinchTool)

	TMouseEvent m_lastMouseEvent;
	ToonzExt::StrokeDeformation *m_deformation;
	ToonzExt::ContextStatus m_status;
	ToonzExt::Selector m_selector;
	TUndo *m_undo;
	bool m_draw, m_active, m_cursorEnabled;
	TThickPoint m_cursor;
	TPointD m_prev, m_curr, m_down;
	unsigned int m_n;

	bool m_showSelector;

	TDoubleProperty m_toolRange;
	TDoubleProperty m_toolCornerSize;
	TBoolProperty m_autoOrManual;
	TPropertyGroup m_prop;

	void updateInterfaceStatus(const TMouseEvent &);
	void updateStrokeStatus(TStroke *stroke, double w);
	int updateCursor() const;
	TStroke *getClosestStroke(const TPointD &pos, double &w) const;

public:
	PinchTool();
	virtual ~PinchTool();

	ToolType getToolType() const { return TTool::LevelWriteTool; }

	void setShowSelector(bool show) { m_showSelector = show; }

	void onEnter();
	void onLeave();

	void updateTranslation();

	void draw();

	void leftButtonDown(const TPointD &pos,
						const TMouseEvent &);

	void leftButtonDrag(const TPointD &pos,
						const TMouseEvent &e);

	void leftButtonUp(const TPointD &pos,
					  const TMouseEvent &e);

	void invalidateCursorArea();

	void mouseMove(const TPointD &pos,
				   const TMouseEvent &e);

	bool moveCursor(const TPointD &pos);

	bool keyDown(int key,
				 TUINT32 flags,
				 const TPoint &pos);

	void onActivate();
	void onDeactivate();

	// viene usato??
	void update(const TGlobalChange &);

	void onImageChanged();

	int getCursorId() const { return updateCursor(); }
	TPropertyGroup *getProperties(int targetType) { return &m_prop; }
};

#endif //PINCHTOOL_H