textballoon.cpp Example File

customitems/painteditem/textballoon.cpp
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 #include "textballoon.h"

 TextBalloon::TextBalloon(QQuickItem *parent)
     : QQuickPaintedItem(parent)
     , rightAligned(false)
 {
 }

 void TextBalloon::paint(QPainter *painter)
 {
     QBrush brush(QColor("#007430"));

     painter->setBrush(brush);
     painter->setPen(Qt::NoPen);
     painter->setRenderHint(QPainter::Antialiasing);

     QSizeF itemSize = size();
     painter->drawRoundedRect(0, 0, itemSize.width(), itemSize.height() - 10, 10, 10);

     if (rightAligned)
     {
         const QPointF points[3] = {
             QPointF(itemSize.width() - 10.0, itemSize.height() - 10.0),
             QPointF(itemSize.width() - 20.0, itemSize.height()),
             QPointF(itemSize.width() - 30.0, itemSize.height() - 10.0),
         };
         painter->drawConvexPolygon(points, 3);
     }
     else
     {
         const QPointF points[3] = {
             QPointF(10.0, itemSize.height() - 10.0),
             QPointF(20.0, itemSize.height()),
             QPointF(30.0, itemSize.height() - 10.0),
         };
         painter->drawConvexPolygon(points, 3);
     }
 }

 bool TextBalloon::isRightAligned()
 {
     return this->rightAligned;
 }

 void TextBalloon::setRightAligned(bool rightAligned)
 {
     this->rightAligned = rightAligned;
 }