#include "xtoolbutton.h"

XToolButton::XToolButton(QWidget *parent) :
    QWidget(parent)
{
    initVariable();
    initSetupUi();
}

XToolButton::~XToolButton()
{
    delete m_pLabelIcon;
    delete m_pLabelText;
    delete m_pLayout;
}

void XToolButton::setPixmap(const QPixmap &pixmap)
{
    m_pLabelIcon->setPixmap(pixmap.scaled(QSize(48, 48), Qt::KeepAspectRatio, Qt::SmoothTransformation));
}

void XToolButton::setText(const QString &text)
{
    m_pLabelText->setText(text);
}

void XToolButton::setMouseEnterFlag(bool flag)
{
    m_mouseEnterFlag = flag;
    this->update();
}

void XToolButton::setMousePressFlag(bool flag)
{
    m_mousePressFlag = flag;
    this->update();
}

void XToolButton::enterEvent(QEvent *e)
{
    if (!getMousePressFlag())
    {
        setMouseEnterFlag(true);
    }
    this->setCursor(Qt::PointingHandCursor);
    e->ignore();
}

void XToolButton::leaveEvent(QEvent *e)
{
    setMouseEnterFlag(false);
    e->ignore();
}

void XToolButton::mousePressEvent(QMouseEvent *e)
{
    if (e->button() == Qt::LeftButton)
    {
        setMousePressFlag(true);
        emit signalLabelPress(this);
    }
    e->ignore();
}

void XToolButton::paintEvent(QPaintEvent *e)
{
    QPainter painter(this);

    if (getMouseEnterFlag())
    {
        paintWidget(50, &painter);
    }
    else if (getMousePressFlag())
    {
        paintWidget(80, &painter);
    }

    QWidget::paintEvent(e);
}

void XToolButton::initVariable()
{
    setMouseEnterFlag(false);
    setMousePressFlag(false);
}

void XToolButton::initSetupUi()
{
    createFrame();
    createWidget();
    createLayout();
}

void XToolButton::createFrame()
{
    this->setStyleSheet("QWidget {background:transparent;border:0px;color:white;font-size:12px;width:40px;height:48px}");
}

void XToolButton::createWidget()
{
    m_pLabelIcon = new QLabel(this);
    m_pLabelIcon->setAlignment(Qt::AlignCenter);
    m_pLabelText = new QLabel(this);
    m_pLabelText->setAlignment(Qt::AlignCenter);
//    setMinimumSize(70,70);
//    setMaximumSize(70,70);
    setSizePolicy(QSizePolicy::Fixed,QSizePolicy::Fixed);
}

void XToolButton::createLayout()
{
    m_pLayout = new QVBoxLayout(this);
    m_pLayout->addWidget(m_pLabelIcon);
    m_pLayout->addWidget(m_pLabelText);
    m_pLayout->setContentsMargins(20,10,20,10);
    setLayout(m_pLayout);
}

void XToolButton::paintWidget(int transparency, QPainter *device)
{
//    QPen pen(Qt::NoBrush, 1);
//    device->setPen(pen);
//    QLinearGradient linear(this->rect().topLeft(), this->rect().bottomLeft());
//    linear.setColorAt(0,QColor(255,255,255,transparency));
//    linear.setColorAt(0.5,QColor(200,200,200,transparency));
//    linear.setColorAt(1,QColor(0,0,0,transparency));
//    QBrush brush(linear);
//    device->setBrush(brush);
//    device->drawRoundedRect(this->rect(), 2, 2);/**/

    QPainter painter(this);
    QPen pen(Qt::NoBrush, 1);
    painter.setPen(pen);
    QLinearGradient linear(rect().topLeft(), rect().bottomLeft());
    linear.setColorAt(0, QColor(230, 230, 230, 0));
    linear.setColorAt(0.5, QColor(230, 230, 230, 100));
    linear.setColorAt(1, QColor(230, 230, 230, 150));
    painter.setBrush(linear);
    painter.drawRect(rect());
}

inline bool XToolButton::getMouseEnterFlag()
{
    return m_mouseEnterFlag;
}

inline bool XToolButton::getMousePressFlag()
{
    return m_mousePressFlag;
}