#include "Canvas.h"
void Canvas::changeMode(Mode _mode)
{
	mode = _mode;
}

void Canvas::mousePressEvent(QMouseEvent* event)
{
	QPointF scene = event->pos();

#ifdef _DEBUG
	qDebug() << "Scene point in" << scene.x() << scene.y();
	changeMode(DrawingLine);
#endif
	
	if (mode == DrawingLine) {
		if (!current_line) {
			current_line = new Line();
			double* x1 = new double(scene.x());
			double* y1 = new double(scene.y());

			double* x2 = new double(scene.x());
			double* y2 = new double(scene.y());

			params.push_back(x1);
			params.push_back(y1);

			current_line->p1.x = x1;
			current_line->p1.y = y1;
			current_line->p2.x = x2;
			current_line->p2.y = y2;
		}
		else {
			*current_line->p2.x = scene.x();
			*current_line->p2.y = scene.y();

			params.push_back(current_line->p2.x);
			params.push_back(current_line->p2.y);

			lines.append(current_line);
			current_line = nullptr;
		}

//#ifdef _DEBUG
//		if (lines.size()) {
//			qDebug() << "Line coords" << lines[lines.size() - 1]->p1.get_X() <<
//				lines[lines.size() - 1]->p1.get_Y() <<
//				lines[lines.size() - 1]->p2.get_X() <<
//				lines[lines.size() - 1]->p2.get_Y();
//			changeMode(None);
//		}
//#endif		

	}

}

Canvas::Canvas(QWidget *parent)
	: QWidget(parent)
{
	current_line = nullptr;
	setMouseTracking(true);
	setBackgroundRole(QPalette::Base);
	setAutoFillBackground(true);
}

Canvas::~Canvas()
{
	for (Line* line : lines) {
		delete line;
	}

	for (double* param : params) {
		delete param;
	}

	lines.clear();
	params.clear();

	if (current_line) 
		delete current_line;
}