#include "DoubleSpinBox.h"
#include <QLineEdit>
#include <QEvent>
#include <QDebug>

DoubleSpinBox::DoubleSpinBox(QWidget *parent)
	: QDoubleSpinBox(parent)
{
	setButtonSymbols(QAbstractSpinBox::NoButtons);
	installEventFilter(this);
	setMaximum(1000000000);
	setMinimum(-100000000);

	m_lineEdit = this->lineEdit();
	connect(m_lineEdit, &QLineEdit::textChanged, this, [=]() {
		m_valueChangeFalg = true;

		});
	// 连接 editingFinished 信号来处理编辑完成事件
	connect(this, &QDoubleSpinBox::editingFinished, this, [=]() {
		if (m_valueChangeFalg)
		{
			emit editDone();
			//if (this->value() != m_oldVal)
			{
				setEditColor();
			}
			m_valueChangeFalg = false;  // 重置标志
		}
		});
}

DoubleSpinBox::~DoubleSpinBox()
{
}


void DoubleSpinBox::setEditColor()
{
	if(this->value()!=m_oldVal) 
		setStyleSheet("color: red;");
		//setStyleSheet("background-color: red");
	else setStyleSheet("");
}

void DoubleSpinBox::setSavedColor()
{
	setStyleSheet("");
	m_oldVal = this->value();
}

void DoubleSpinBox::setValue(double val)
{
	if(m_oldVal == -1 )m_oldVal = val;//启动软件时将oldVal记录下来,第一次setValue才记录，加个变量
	QDoubleSpinBox::setValue(val);
}

bool DoubleSpinBox::eventFilter(QObject *watched, QEvent *event)
{
	if (event->type() == QEvent::Wheel) {
		return true;
	} else {
		return QDoubleSpinBox::eventFilter(watched, event);
	}
}