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);

      painter->drawRoundedRect(0, 0, boundingRect().width(), boundingRect().height() - 10, 10, 10);

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

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

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