gcs-nf/opmap/mapwidget/waypointbutton.cpp

#include "waypointbutton.h"


namespace mapcontrol {

WayPointButton::WayPointButton(MapGraphicItem *parent)
{
    this->setAcceptHoverEvents(true);

    this->setFlag(QGraphicsItem::ItemIgnoresParentOpacity,true);
    this->setFlag(QGraphicsItem::ItemIsMovable, true);
    this->setFlag(QGraphicsItem::ItemIgnoresTransformations, true);
    this->setFlag(QGraphicsItem::ItemIsSelectable, false);
    this->setAcceptedMouseButtons(Qt::LeftButton);

    connect(parent, SIGNAL(childRefreshPosition()), this, SLOT(RefreshPos()));
    connect(parent, SIGNAL(childSetOpacity(qreal)), this, SLOT(setOpacitySlot(qreal)));

    this->setZValue(8);//在幕布上面

    myColor = QColor("#98FB98");

    position.setX(0);
    position.setY(0);

    position.setWidth(100);
    position.setHeight(100);

    RefreshPos();

}

QRectF WayPointButton::boundingRect() const //鼠标可以操作的大小
{
    return QRectF(0,0,position.width(),position.height());
}

void WayPointButton::paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget)
{
    Q_UNUSED(option);
    Q_UNUSED(widget);




    painter->setRenderHint(QPainter::Antialiasing, true);

    QPen ePen;
    ePen.setWidth(2);


    QFont font;
    font.setPixelSize(15);//不随着屏幕分辨率改变而改变
    font.setFamily("黑体");//非衬线
    painter->setFont(font);

    //画底部
    painter->save();
    ePen.setColor(Qt::darkYellow);
    painter->setPen(ePen);
    painter->setBrush(myColor);
    painter->setOpacity(opacity);
    painter->drawRoundedRect(0,0,this->boundingRect().width(),this->boundingRect().height(),10,10);
    painter->restore();


    if(img.size() > 0)
    {
        painter->save();
        QRectF target(0, 0, 80.0, 80.0);
        QRectF source(0.0, 0.0, 64.0, 64.0);
        QImage image(img);
        painter->drawImage(target, image, source);
        painter->restore();
    }


    painter->save();
    ePen.setColor(QColor("#000000"));
    painter->setPen(ePen);
    painter->drawText(0,0,this->boundingRect().width(),this->boundingRect().height(),Qt::AlignCenter,text);
    painter->restore();
}

void WayPointButton::RefreshPos()
{
    this->setPos(position.x(),
                 position.y());
}

void WayPointButton::setOpacitySlot(qreal opacity)
{
    setOpacity(opacity);
}

void WayPointButton::setPosition(int x,int y)
{
    position.setX(x);
    position.setY(y);

    RefreshPos();
    update();
}

void WayPointButton::resize(int width,int height)
{
    position.setWidth(width);
    position.setHeight(height);

    RefreshPos();
    update();
}

void WayPointButton::setGeometry(QRect rect)
{
    position.setX(rect.x());
    position.setY(rect.y());
    position.setWidth(rect.width());
    position.setHeight(rect.height());

    update();
}

void WayPointButton::setGeometry(int x,int y,int w,int h)
{
    position.setX(x);
    position.setY(y);
    position.setWidth(w);
    position.setHeight(h);

    update();
}

void WayPointButton::setText(QString t)
{
    text = t;
    update();
}

QString WayPointButton::Text(void)
{
    return text;
}

void WayPointButton::setHighLight(bool flag)
{
    highlight = flag;

    if(highlight)
    {
        opacity = 1;
    }
    else
    {
        opacity = 0.5;
    }
}




void WayPointButton::mousePressEvent(QGraphicsSceneMouseEvent *event)
{
    event->accept();
    if (event->button() == Qt::LeftButton) {
        opacity = 1;

        emit press();

    }

    RefreshPos();
    update();
}

void WayPointButton::mouseReleaseEvent(QGraphicsSceneMouseEvent *event)
{
    event->accept();
    if (event->button() == Qt::LeftButton) {
         opacity = 0.8;

         emit release();
         emit clicked();
    }

    RefreshPos();
    update();
}
void WayPointButton::mouseDoubleClickEvent(QGraphicsSceneMouseEvent *event)
{
    event->accept();
    if (event->button() == Qt::LeftButton) {

        emit doubleclicked();
    }


}
void WayPointButton::mouseMoveEvent(QGraphicsSceneMouseEvent *event)
{
    event->accept();
    if (isDragging) {

    }
}

void WayPointButton::hoverEnterEvent(QGraphicsSceneHoverEvent *event)
{
    event->accept();
    opacity = 0.8;
    update();
}

void WayPointButton::hoverLeaveEvent(QGraphicsSceneHoverEvent *event)
{
    event->accept();
    opacity = 0.5;
    update();
}

void WayPointButton::hoverMoveEvent(QGraphicsSceneHoverEvent *event)
{
    event->accept();
}




}