#include "MyQGraphicsRectItem.h"

void MyQGraphicsRectItem::mousePressEvent(QGraphicsSceneMouseEvent *event)
{
	if (event->button() == Qt::LeftButton)
	{
		if (Base() != true && Mark() != true) {

			m_isSelect = !m_isSelect;

			if (m_isSelect)
			{
				m_isShowTextItem = true;
				setBrush(CUR_SELECT_DIE);
			}
			else
			{
				if (m_isAlreadlyMarked)
				{
					setBrush(DIE_MARK_END);
				}
				else
				{
					setBrush(Qt::NoBrush);
				}
			}

			ShowTextItemFunc();

			emit signal_select(m_realDieXCoord, m_realDieYCoord);
		}
	}
}

void MyQGraphicsRectItem::ShowTextItemFunc()
{
	if (m_textItem == nullptr)
	{
		m_textItem = new QGraphicsTextItem(this);
	}
	if (m_isShowTextItem && m_isSelect)
	{
		m_textItem->setPlainText(m_serialNum);
	}
	else
	{
		m_textItem->setPlainText("");
	}
	if (!m_isSelect)
	{
		return;
	}
	// 2. 设置默认字体和颜色
	QFont font("Microsoft YaHei", 1);
	m_textItem->setFont(font);
	m_textItem->setDefaultTextColor(Qt::black);

	if (!m_textItem) return;

	// 获取文本包围盒
	QRectF textRect = m_textItem->boundingRect();
	// 获取当前矩形包围盒
	QRectF itemRect = this->rect();

	// 计算居中位置
	qreal xPos = (itemRect.width() - textRect.width()) / 2.0;
	qreal yPos = (itemRect.height() - textRect.height()) / 2.0;

	m_textItem->setPos(xPos, yPos);
	m_textItem->setZValue(1000);
}