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50
51#include "textballoon.h"
52
53//! [0]
54TextBalloon::TextBalloon(QQuickItem *parent)
55 : QQuickPaintedItem(parent)
56 , rightAligned(false)
57{
58}
59//! [0]
60
61//! [1]
62void TextBalloon::paint(QPainter *painter)
63{
64 QBrush brush(QColor("#007430"));
65
66 painter->setBrush(brush);
67 painter->setPen(Qt::NoPen);
68 painter->setRenderHint(hint: QPainter::Antialiasing);
69
70 QSizeF itemSize = size();
71 painter->drawRoundedRect(x: 0, y: 0, w: itemSize.width(), h: itemSize.height() - 10, xRadius: 10, yRadius: 10);
72
73 if (rightAligned)
74 {
75 const QPointF points[3] = {
76 QPointF(itemSize.width() - 10.0, itemSize.height() - 10.0),
77 QPointF(itemSize.width() - 20.0, itemSize.height()),
78 QPointF(itemSize.width() - 30.0, itemSize.height() - 10.0),
79 };
80 painter->drawConvexPolygon(points, pointCount: 3);
81 }
82 else
83 {
84 const QPointF points[3] = {
85 QPointF(10.0, itemSize.height() - 10.0),
86 QPointF(20.0, itemSize.height()),
87 QPointF(30.0, itemSize.height() - 10.0),
88 };
89 painter->drawConvexPolygon(points, pointCount: 3);
90 }
91}
92//! [1]
93
94bool TextBalloon::isRightAligned()
95{
96 return this->rightAligned;
97}
98
99void TextBalloon::setRightAligned(bool rightAligned)
100{
101 this->rightAligned = rightAligned;
102}
103

source code of qtdeclarative/examples/quick/customitems/painteditem/textballoon.cpp