editor/button.cpp

#include "button.h"
#include <QPainter>
#include <QStyleOptionGraphicsItem>

Button::Button(const QString &type) : Item(type)
{

}

QRectF Button::boundingRect() const
{
    return QRectF(0, 0, 50, 50);
}

void Button::paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *)
{
        painter->setRenderHint(QPainter::Antialiasing);

        if (type_ == "按钮") {
            painter->drawRect(0,0,50,50);
        }
        if (option->state & QStyle::State_Selected) {
            QPen pen(Qt::DashLine);
            pen.setColor(Qt::blue);
            pen.setWidth(2);
            painter->setPen(pen);
            painter->setBrush(Qt::NoBrush);
            painter->drawRect(boundingRect());
        }
}