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36
37#include "qquickuniversalfocusrectangle_p.h"
38
39#include <QtGui/qpixmap.h>
40#include <QtGui/qpainter.h>
41#include <QtGui/qpixmapcache.h>
42#include <QtQuick/private/qquickitem_p.h>
43
44QT_BEGIN_NAMESPACE
45
46QQuickUniversalFocusRectangle::QQuickUniversalFocusRectangle(QQuickItem *parent)
47 : QQuickPaintedItem(parent)
48{
49 QQuickItemPrivate::get(item: this)->setTransparentForPositioner(true);
50}
51
52void QQuickUniversalFocusRectangle::paint(QPainter *painter)
53{
54 if (!isVisible() || width() <= 0 || height() <= 0)
55 return;
56
57 QRect bounds = boundingRect().toAlignedRect();
58 const int boundsWidth = bounds.width();
59 const int boundsHeight = bounds.width();
60 const QString key = QStringLiteral("qquickuniversalfocusrectangle_%1_%2").arg(args: QString::number(boundsWidth), args: QString::number(boundsHeight));
61
62 QPixmap pixmap(boundsWidth, boundsHeight);
63 if (!QPixmapCache::find(key, pixmap: &pixmap)) {
64 bounds.adjust(dx1: 0, dy1: 0, dx2: -1, dy2: -1);
65 pixmap.fill(fillColor: Qt::transparent);
66 QPainter p(&pixmap);
67
68 QPen pen;
69 pen.setWidth(1);
70 pen.setColor(Qt::white);
71 p.setPen(pen);
72 p.drawRect(r: bounds);
73
74 pen.setColor(Qt::black);
75 pen.setDashPattern(QVector<qreal>(2, 1));
76 p.setPen(pen);
77 p.drawRect(r: bounds);
78
79 QPixmapCache::insert(key, pixmap);
80 }
81 painter->drawPixmap(x: 0, y: 0, pm: pixmap);
82}
83
84QT_END_NAMESPACE
85

source code of qtquickcontrols2/src/imports/controls/universal/qquickuniversalfocusrectangle.cpp