#ifndef TOOLMOVEMAP_H
#define TOOLMOVEMAP_H

#include "Tool.h"
#include "../MapView2D.h"

/**
 *
 */
class ToolMoveMap : public Tool {

private:

	bool mouseIsDown = false;
	Point3 startOffset;
	int sx;
	int sy;

	virtual void mousePressEvent(MapView2D* m, QMouseEvent* e) override {
		if (e->button() == Qt::MouseButton::MidButton) {
			mouseIsDown = true;
			this->sx = e->x();
			this->sy = e->y();
			this->startOffset = m->getScaler().getOffset();
		}
	}

	virtual void mouseMoveEvent(MapView2D* m, QMouseEvent* e) override {
		if (!mouseIsDown) {return;}
		m->getScaler().setOffset(startOffset);
		m->getScaler().addOffset(e->x()-sx, e->y()-sy);
	}

	virtual void mouseReleaseEvent(MapView2D* m, QMouseEvent* e) override {
		(void) m;
		(void) e;
		mouseIsDown = false;
	}

	virtual void keyPressEvent(MapView2D* m, QKeyEvent* e) override {
		(void) m;
		(void) e;
		// TODO: move on arrow keys?
	}


};

#endif // TOOLMOVEMAP_H