Polish the painting/affine example
- Use member initialization - Remove C-style casts - Add space around operators - Use qsizetype for list indexes - Remove commented out debugging code Task-number: QTBUG-97095 Pick-to: 6.2 Change-Id: I11a17fa6e7f17968367a57291d83ee6fba731a34 Reviewed-by: Qt CI Bot <qt_ci_bot@qt-project.org> Reviewed-by: Shawn Rutledge <shawn.rutledge@qt.io>
This commit is contained in:
parent
a875503d9e
commit
bb56560b6b
@ -58,27 +58,22 @@
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const int alpha = 155;
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XFormView::XFormView(QWidget *parent)
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: ArthurFrame(parent)
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: ArthurFrame(parent),
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m_pixmap(QPixmap(":res/affine/bg1.jpg"))
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{
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setAttribute(Qt::WA_MouseTracking);
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m_type = VectorType;
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m_rotation = 0.0;
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m_scale = 1.0;
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m_shear = 0.0;
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m_pixmap = QPixmap(":res/affine/bg1.jpg");
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pts = new HoverPoints(this, HoverPoints::CircleShape);
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pts->setConnectionType(HoverPoints::LineConnection);
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pts->setEditable(false);
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pts->setPointSize(QSize(15, 15));
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pts->setShapeBrush(QBrush(QColor(151, 0, 0, alpha)));
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pts->setShapePen(QPen(QColor(255, 100, 50, alpha)));
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pts->setConnectionPen(QPen(QColor(151, 0, 0, 50)));
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pts->setBoundingRect(QRectF(0, 0, 500, 500));
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ctrlPoints << QPointF(250, 250) << QPointF(350, 250);
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pts->setPoints(ctrlPoints);
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connect(pts, &HoverPoints::pointsChanged,
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this,&XFormView::updateCtrlPoints);
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m_hoverPoints = new HoverPoints(this, HoverPoints::CircleShape);
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m_hoverPoints->setConnectionType(HoverPoints::LineConnection);
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m_hoverPoints->setEditable(false);
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m_hoverPoints->setPointSize(QSize(15, 15));
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m_hoverPoints->setShapeBrush(QBrush(QColor(151, 0, 0, alpha)));
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m_hoverPoints->setShapePen(QPen(QColor(255, 100, 50, alpha)));
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m_hoverPoints->setConnectionPen(QPen(QColor(151, 0, 0, 50)));
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m_hoverPoints->setBoundingRect(QRectF(0, 0, 500, 500));
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m_hoverPoints->setPoints(m_controlPoints);
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connect(m_hoverPoints, &HoverPoints::pointsChanged,
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this, &XFormView::updateControlPoints);
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setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Expanding);
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}
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@ -122,7 +117,7 @@ void XFormView::mousePressEvent(QMouseEvent *)
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void XFormView::resizeEvent(QResizeEvent *e)
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{
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pts->setBoundingRect(rect());
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m_hoverPoints->setBoundingRect(rect());
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ArthurFrame::resizeEvent(e);
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}
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@ -145,24 +140,24 @@ void XFormView::paint(QPainter *p)
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p->restore();
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}
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void XFormView::updateCtrlPoints(const QPolygonF &points)
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void XFormView::updateControlPoints(const QPolygonF &points)
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{
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QPointF trans = points.at(0) - ctrlPoints.at(0);
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QPointF trans = points.at(0) - m_controlPoints.at(0);
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if (qAbs(points.at(0).x() - points.at(1).x()) < 10
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&& qAbs(points.at(0).y() - points.at(1).y()) < 10)
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pts->setPoints(ctrlPoints);
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m_hoverPoints->setPoints(m_controlPoints);
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if (!trans.isNull()) {
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ctrlPoints[0] = points.at(0);
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ctrlPoints[1] += trans;
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pts->setPoints(ctrlPoints);
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m_controlPoints[0] = points.at(0);
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m_controlPoints[1] += trans;
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m_hoverPoints->setPoints(m_controlPoints);
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}
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ctrlPoints = points;
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m_controlPoints = points;
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QLineF line(ctrlPoints.at(0), ctrlPoints.at(1));
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QLineF line(m_controlPoints.at(0), m_controlPoints.at(1));
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m_rotation = 360 - QLineF(0, 0, 1, 0).angleTo(line);
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if (trans.isNull())
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emit rotationChanged(int(m_rotation*10));
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emit rotationChanged(int(m_rotation * 10));
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}
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void XFormView::setVectorType()
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@ -222,12 +217,12 @@ void XFormView::setRotation(qreal r)
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qreal old_rot = m_rotation;
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m_rotation = r;
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QPointF center(pts->points().at(0));
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QPointF center(m_hoverPoints->points().at(0));
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QTransform m;
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m.translate(center.x(), center.y());
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m.rotate(m_rotation - old_rot);
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m.translate(-center.x(), -center.y());
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pts->setPoints(pts->points() * m);
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m_hoverPoints->setPoints(m_hoverPoints->points() * m);
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update();
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}
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@ -235,12 +230,12 @@ void XFormView::setRotation(qreal r)
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void XFormView::timerEvent(QTimerEvent *e)
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{
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if (e->timerId() == timer.timerId()) {
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QPointF center(pts->points().at(0));
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QPointF center(m_hoverPoints->points().at(0));
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QTransform m;
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m.translate(center.x(), center.y());
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m.rotate(0.2);
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m.translate(-center.x(), -center.y());
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pts->setPoints(pts->points() * m);
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m_hoverPoints->setPoints(m_hoverPoints->points() * m);
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setUpdatesEnabled(false);
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static qreal scale_inc = 0.003;
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@ -253,7 +248,7 @@ void XFormView::timerEvent(QTimerEvent *e)
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shear_inc = -shear_inc;
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setUpdatesEnabled(true);
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pts->firePointChange();
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m_hoverPoints->firePointChange();
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}
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}
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@ -271,16 +266,15 @@ void XFormView::reset()
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emit rotationChanged(0);
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emit scaleChanged(1000);
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emit shearChanged(0);
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ctrlPoints = QPolygonF();
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ctrlPoints << QPointF(250, 250) << QPointF(350, 250);
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pts->setPoints(ctrlPoints);
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pts->firePointChange();
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m_controlPoints = {{250, 250}, {350, 250}};
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m_hoverPoints->setPoints(m_controlPoints);
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m_hoverPoints->firePointChange();
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}
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void XFormView::drawPixmapType(QPainter *painter)
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{
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QPointF center(m_pixmap.width() / qreal(2), m_pixmap.height() / qreal(2));
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painter->translate(ctrlPoints.at(0) - center);
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painter->translate(m_controlPoints.at(0) - center);
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painter->translate(center);
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painter->rotate(m_rotation);
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@ -289,9 +283,11 @@ void XFormView::drawPixmapType(QPainter *painter)
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painter->translate(-center);
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painter->drawPixmap(QPointF(0, 0), m_pixmap);
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painter->setPen(QPen(QColor(255, 0, 0, alpha), 0.25, Qt::SolidLine, Qt::FlatCap, Qt::BevelJoin));
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painter->setPen(QPen(QColor(255, 0, 0, alpha), 0.25,
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Qt::SolidLine, Qt::FlatCap, Qt::BevelJoin));
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painter->setBrush(Qt::NoBrush);
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painter->drawRect(QRectF(0, 0, m_pixmap.width(), m_pixmap.height()).adjusted(-2, -2, 2, 2));
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painter->drawRect(QRectF(0, 0, m_pixmap.width(),
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m_pixmap.height()).adjusted(-2, -2, 2, 2));
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}
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void XFormView::drawTextType(QPainter *painter)
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@ -306,7 +302,7 @@ void XFormView::drawTextType(QPainter *painter)
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QFontMetrics fm(f);
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QRectF br(fm.boundingRect(m_text));
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QPointF center(br.center());
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painter->translate(ctrlPoints.at(0) - center);
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painter->translate(m_controlPoints.at(0) - center);
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painter->translate(center);
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painter->rotate(m_rotation);
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@ -316,7 +312,8 @@ void XFormView::drawTextType(QPainter *painter)
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painter->fillPath(path, Qt::black);
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painter->setPen(QPen(QColor(255, 0, 0, alpha), 0.25, Qt::SolidLine, Qt::FlatCap, Qt::BevelJoin));
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painter->setPen(QPen(QColor(255, 0, 0, alpha), 0.25,
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Qt::SolidLine, Qt::FlatCap, Qt::BevelJoin));
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painter->setBrush(Qt::NoBrush);
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painter->drawRect(br.adjusted(-1, -1, 1, 1));
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}
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@ -324,7 +321,7 @@ void XFormView::drawTextType(QPainter *painter)
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void XFormView::drawVectorType(QPainter *painter)
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{
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QPainterPath path;
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painter->translate(ctrlPoints.at(0) - QPointF(250,250));
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painter->translate(m_controlPoints.at(0) - QPointF(250,250));
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painter->scale(0.77, 0.77);
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painter->translate(98.9154 + 30 , -217.691 - 20);
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@ -339,10 +336,10 @@ void XFormView::drawVectorType(QPainter *painter)
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painter->setPen(Qt::NoPen);
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path.moveTo(120, 470);
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path.lineTo(60+245, 470);
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path.lineTo(60+245, 470+350);
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path.lineTo(60, 470+350);
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path.lineTo(60, 470+80);
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path.lineTo(60 + 245, 470);
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path.lineTo(60 + 245, 470 + 350);
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path.lineTo(60, 470 + 350);
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path.lineTo(60, 470 + 80);
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painter->setBrush(Qt::white);
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painter->drawPath(path);
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@ -88,7 +88,7 @@ public:
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void mousePressEvent(QMouseEvent *e) override;
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void resizeEvent(QResizeEvent *e) override;
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HoverPoints *hoverPoints() { return pts; }
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HoverPoints *hoverPoints() { return m_hoverPoints; }
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bool animation() const { return timer.isActive(); }
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qreal shear() const { return m_shear; }
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@ -104,7 +104,7 @@ public:
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public slots:
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void setAnimation(bool animate);
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void updateCtrlPoints(const QPolygonF &);
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void updateControlPoints(const QPolygonF &);
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void changeRotation(int rotation);
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void changeScale(int scale);
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void changeShear(int shear);
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@ -130,12 +130,12 @@ protected:
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#endif
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private:
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QPolygonF ctrlPoints;
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HoverPoints *pts;
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qreal m_rotation;
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qreal m_scale;
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qreal m_shear;
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XFormType m_type;
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QPolygonF m_controlPoints{{250, 250}, {350, 250}};
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HoverPoints *m_hoverPoints;
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qreal m_rotation = 0;
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qreal m_scale = 1;
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qreal m_shear = 0;
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XFormType m_type = VectorType;
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QPixmap m_pixmap;
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QString m_text;
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QBasicTimer timer;
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@ -481,7 +481,7 @@ void PathDeformRenderer::timerEvent(QTimerEvent *e)
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void PathDeformRenderer::mousePressEvent(QMouseEvent *e)
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{
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if (m_show_doc) {
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if (m_showDoc) {
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setDescriptionEnabled(false);
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return;
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}
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@ -70,28 +70,15 @@
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extern QPixmap cached(const QString &img);
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ArthurFrame::ArthurFrame(QWidget *parent)
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: QWidget(parent)
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, m_prefer_image(false)
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: QWidget(parent),
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m_tile(QPixmap(128, 128))
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{
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#if QT_CONFIG(opengl)
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m_glWindow = nullptr;
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m_glWidget = nullptr;
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m_use_opengl = false;
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#endif
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m_document = nullptr;
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m_show_doc = false;
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m_tile = QPixmap(128, 128);
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m_tile.fill(Qt::white);
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QPainter pt(&m_tile);
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QColor color(230, 230, 230);
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pt.fillRect(0, 0, 64, 64, color);
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pt.fillRect(64, 64, 64, 64, color);
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pt.end();
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// QPalette pal = palette();
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// pal.setBrush(backgroundRole(), m_tile);
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// setPalette(pal);
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}
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@ -209,7 +196,7 @@ void ArthurFrame::paintEvent(QPaintEvent *e)
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painter.restore();
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painter.save();
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if (m_show_doc)
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if (m_showDoc)
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paintDescription(&painter);
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painter.restore();
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@ -244,9 +231,9 @@ void ArthurFrame::resizeEvent(QResizeEvent *e)
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void ArthurFrame::setDescriptionEnabled(bool enabled)
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{
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if (m_show_doc != enabled) {
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m_show_doc = enabled;
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emit descriptionEnabledChanged(m_show_doc);
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if (m_showDoc != enabled) {
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m_showDoc = enabled;
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emit descriptionEnabledChanged(m_showDoc);
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update();
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}
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}
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@ -276,9 +263,8 @@ void ArthurFrame::paintDescription(QPainter *painter)
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int pageWidth = qMax(width() - 100, 100);
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int pageHeight = qMax(height() - 100, 100);
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if (pageWidth != m_document->pageSize().width()) {
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if (pageWidth != m_document->pageSize().width())
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m_document->setPageSize(QSize(pageWidth, pageHeight));
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}
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QRect textRect(width() / 2 - pageWidth / 2,
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height() / 2 - pageHeight / 2,
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@ -340,7 +326,7 @@ void ArthurFrame::showSource()
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if (!f.open(QFile::ReadOnly))
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contents = tr("Could not open file: '%1'").arg(m_sourceFileName);
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else
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contents = f.readAll();
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contents = QString::fromUtf8(f.readAll());
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}
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contents.replace(QLatin1Char('&'), QStringLiteral("&"));
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@ -69,7 +69,6 @@ public:
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ArthurFrame(QWidget *parent);
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virtual void paint(QPainter *) {}
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void paintDescription(QPainter *p);
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void loadDescription(const QString &filename);
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@ -77,13 +76,13 @@ public:
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void loadSourceFile(const QString &fileName);
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bool preferImage() const { return m_prefer_image; }
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bool preferImage() const { return m_preferImage; }
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#if QT_CONFIG(opengl)
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QOpenGLWindow *glWindow() const { return m_glWindow; }
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#endif
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public slots:
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void setPreferImage(bool pi) { m_prefer_image = pi; }
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void setPreferImage(bool pi) { m_preferImage = pi; }
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void setDescriptionEnabled(bool enabled);
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void showSource();
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@ -101,18 +100,17 @@ protected:
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#if QT_CONFIG(opengl)
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virtual void createGlWindow();
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QOpenGLWindow *m_glWindow;
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QWidget *m_glWidget;
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bool m_use_opengl;
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QOpenGLWindow *m_glWindow = nullptr;
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QWidget *m_glWidget = nullptr;
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bool m_use_opengl = false;
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#endif
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QPixmap m_tile;
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bool m_show_doc;
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bool m_prefer_image;
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QTextDocument *m_document;
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bool m_showDoc = false;
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bool m_preferImage = false;
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QTextDocument *m_document = nullptr;;
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QString m_sourceFileName;
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};
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#endif
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@ -57,31 +57,18 @@
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#include <QtOpenGL/QOpenGLWindow>
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#endif
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#define printf
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HoverPoints::HoverPoints(QWidget *widget, PointShape shape)
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: QObject(widget)
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: QObject(widget),
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m_widget(widget),
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m_shape(shape)
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{
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m_widget = widget;
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widget->installEventFilter(this);
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widget->setAttribute(Qt::WA_AcceptTouchEvents);
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m_connectionType = CurveConnection;
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m_sortType = NoSort;
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m_shape = shape;
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m_pointPen = QPen(QColor(255, 255, 255, 191), 1);
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m_connectionPen = QPen(QColor(255, 255, 255, 127), 2);
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m_pointBrush = QBrush(QColor(191, 191, 191, 127));
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m_pointSize = QSize(11, 11);
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m_currentIndex = -1;
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m_editable = true;
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m_enabled = true;
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connect(this, &HoverPoints::pointsChanged,
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m_widget, QOverload<>::of(&QWidget::update));
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}
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void HoverPoints::setEnabled(bool enabled)
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{
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if (m_enabled != enabled) {
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@ -90,191 +77,197 @@ void HoverPoints::setEnabled(bool enabled)
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}
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}
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bool HoverPoints::eventFilter(QObject *object, QEvent *event)
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{
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if (object == m_widget && m_enabled) {
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switch (event->type()) {
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if (object != m_widget || !m_enabled)
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return false;
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case QEvent::MouseButtonPress:
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{
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if (!m_fingerPointMapping.isEmpty())
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return true;
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QMouseEvent *me = (QMouseEvent *) event;
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switch (event->type()) {
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case QEvent::MouseButtonPress:
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{
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if (!m_fingerPointMapping.isEmpty())
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return true;
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auto *me = static_cast<const QMouseEvent *>(event);
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QPointF clickPos = me->position().toPoint();
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qsizetype index = -1;
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for (qsizetype i = 0; i < m_points.size(); ++i) {
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QPainterPath path;
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const QRectF rect = pointBoundingRect(m_points.at(i));
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if (m_shape == CircleShape)
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path.addEllipse(rect);
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else
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path.addRect(rect);
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QPointF clickPos = me->position().toPoint();
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int index = -1;
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for (int i=0; i<m_points.size(); ++i) {
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QPainterPath path;
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||||
if (m_shape == CircleShape)
|
||||
path.addEllipse(pointBoundingRect(i));
|
||||
else
|
||||
path.addRect(pointBoundingRect(i));
|
||||
if (path.contains(clickPos)) {
|
||||
index = i;
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
if (path.contains(clickPos)) {
|
||||
index = i;
|
||||
if (me->button() == Qt::LeftButton) {
|
||||
if (index == -1) {
|
||||
if (!m_editable)
|
||||
return false;
|
||||
qsizetype pos = 0;
|
||||
// Insert sort for x or y
|
||||
switch (m_sortType) {
|
||||
case XSort:
|
||||
for (qsizetype i = 0; i < m_points.size(); ++i) {
|
||||
if (m_points.at(i).x() > clickPos.x()) {
|
||||
pos = i;
|
||||
break;
|
||||
}
|
||||
}
|
||||
break;
|
||||
case YSort:
|
||||
for (qsizetype i = 0; i < m_points.size(); ++i) {
|
||||
if (m_points.at(i).y() > clickPos.y()) {
|
||||
pos = i;
|
||||
break;
|
||||
}
|
||||
}
|
||||
break;
|
||||
default:
|
||||
break;
|
||||
}
|
||||
|
||||
m_points.insert(pos, clickPos);
|
||||
m_locks.insert(pos, 0);
|
||||
m_currentIndex = pos;
|
||||
firePointChange();
|
||||
} else {
|
||||
m_currentIndex = index;
|
||||
}
|
||||
return true;
|
||||
|
||||
if (me->button() == Qt::LeftButton) {
|
||||
if (index == -1) {
|
||||
if (!m_editable)
|
||||
return false;
|
||||
int pos = 0;
|
||||
// Insert sort for x or y
|
||||
if (m_sortType == XSort) {
|
||||
for (int i=0; i<m_points.size(); ++i)
|
||||
if (m_points.at(i).x() > clickPos.x()) {
|
||||
pos = i;
|
||||
break;
|
||||
}
|
||||
} else if (m_sortType == YSort) {
|
||||
for (int i=0; i<m_points.size(); ++i)
|
||||
if (m_points.at(i).y() > clickPos.y()) {
|
||||
pos = i;
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
m_points.insert(pos, clickPos);
|
||||
m_locks.insert(pos, 0);
|
||||
m_currentIndex = pos;
|
||||
firePointChange();
|
||||
} else {
|
||||
m_currentIndex = index;
|
||||
} else if (me->button() == Qt::RightButton) {
|
||||
if (index >= 0 && m_editable) {
|
||||
if (m_locks[index] == 0) {
|
||||
m_locks.remove(index);
|
||||
m_points.remove(index);
|
||||
}
|
||||
firePointChange();
|
||||
return true;
|
||||
|
||||
} else if (me->button() == Qt::RightButton) {
|
||||
if (index >= 0 && m_editable) {
|
||||
if (m_locks[index] == 0) {
|
||||
m_locks.remove(index);
|
||||
m_points.remove(index);
|
||||
}
|
||||
firePointChange();
|
||||
return true;
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
break;
|
||||
|
||||
case QEvent::MouseButtonRelease:
|
||||
if (!m_fingerPointMapping.isEmpty())
|
||||
return true;
|
||||
m_currentIndex = -1;
|
||||
break;
|
||||
|
||||
case QEvent::MouseMove:
|
||||
if (!m_fingerPointMapping.isEmpty())
|
||||
return true;
|
||||
if (m_currentIndex >= 0) {
|
||||
auto *me = static_cast<const QMouseEvent *>(event);
|
||||
movePoint(m_currentIndex, me->position().toPoint());
|
||||
}
|
||||
break;
|
||||
|
||||
case QEvent::MouseButtonRelease:
|
||||
if (!m_fingerPointMapping.isEmpty())
|
||||
return true;
|
||||
m_currentIndex = -1;
|
||||
break;
|
||||
|
||||
case QEvent::MouseMove:
|
||||
if (!m_fingerPointMapping.isEmpty())
|
||||
return true;
|
||||
if (m_currentIndex >= 0)
|
||||
movePoint(m_currentIndex, ((QMouseEvent *)event)->position().toPoint());
|
||||
break;
|
||||
case QEvent::TouchBegin:
|
||||
case QEvent::TouchUpdate:
|
||||
case QEvent::TouchBegin:
|
||||
case QEvent::TouchUpdate:
|
||||
{
|
||||
auto *touchEvent = static_cast<const QTouchEvent*>(event);
|
||||
const auto points = touchEvent->points();
|
||||
const qreal pointSize = qMax(m_pointSize.width(), m_pointSize.height());
|
||||
for (const auto &point : points) {
|
||||
const int id = point.id();
|
||||
switch (point.state()) {
|
||||
case QEventPoint::Pressed:
|
||||
{
|
||||
const QTouchEvent *const touchEvent = static_cast<const QTouchEvent*>(event);
|
||||
const auto points = touchEvent->points();
|
||||
const qreal pointSize = qMax(m_pointSize.width(), m_pointSize.height());
|
||||
for (const auto &point : points) {
|
||||
const int id = point.id();
|
||||
switch (point.state()) {
|
||||
case QEventPoint::Pressed:
|
||||
{
|
||||
// find the point, move it
|
||||
const auto mappedPoints = m_fingerPointMapping.values();
|
||||
QSet<int> activePoints = QSet<int>(mappedPoints.begin(), mappedPoints.end());
|
||||
int activePoint = -1;
|
||||
qreal distance = -1;
|
||||
const int pointsCount = m_points.size();
|
||||
const int activePointCount = activePoints.size();
|
||||
if (pointsCount == 2 && activePointCount == 1) { // only two points
|
||||
activePoint = activePoints.contains(0) ? 1 : 0;
|
||||
} else {
|
||||
for (int i=0; i<pointsCount; ++i) {
|
||||
if (activePoints.contains(i))
|
||||
continue;
|
||||
// find the point, move it
|
||||
const auto mappedPoints = m_fingerPointMapping.values();
|
||||
QSet<qsizetype> activePoints(mappedPoints.begin(), mappedPoints.end());
|
||||
qsizetype activePoint = -1;
|
||||
qreal distance = -1;
|
||||
const qsizetype pointsCount = m_points.size();
|
||||
const qsizetype activePointCount = activePoints.size();
|
||||
if (pointsCount == 2 && activePointCount == 1) { // only two points
|
||||
activePoint = activePoints.contains(0) ? 1 : 0;
|
||||
} else {
|
||||
for (qsizetype i = 0; i < pointsCount; ++i) {
|
||||
if (activePoints.contains(i))
|
||||
continue;
|
||||
|
||||
qreal d = QLineF(point.position(), m_points.at(i)).length();
|
||||
if ((distance < 0 && d < 12 * pointSize) || d < distance) {
|
||||
distance = d;
|
||||
activePoint = i;
|
||||
}
|
||||
qreal d = QLineF(point.position(), m_points.at(i)).length();
|
||||
if ((distance < 0 && d < 12 * pointSize) || d < distance) {
|
||||
distance = d;
|
||||
activePoint = i;
|
||||
}
|
||||
|
||||
}
|
||||
}
|
||||
if (activePoint != -1) {
|
||||
m_fingerPointMapping.insert(point.id(), activePoint);
|
||||
movePoint(activePoint, point.position());
|
||||
}
|
||||
}
|
||||
break;
|
||||
case QEventPoint::Released:
|
||||
{
|
||||
// move the point and release
|
||||
QHash<int,int>::iterator it = m_fingerPointMapping.find(id);
|
||||
movePoint(it.value(), point.position());
|
||||
m_fingerPointMapping.erase(it);
|
||||
}
|
||||
break;
|
||||
case QEventPoint::Updated:
|
||||
{
|
||||
// move the point
|
||||
const int pointIdx = m_fingerPointMapping.value(id, -1);
|
||||
if (pointIdx >= 0) // do we track this point?
|
||||
movePoint(pointIdx, point.position());
|
||||
}
|
||||
break;
|
||||
default:
|
||||
break;
|
||||
}
|
||||
}
|
||||
if (m_fingerPointMapping.isEmpty()) {
|
||||
event->ignore();
|
||||
return false;
|
||||
} else {
|
||||
return true;
|
||||
if (activePoint != -1) {
|
||||
m_fingerPointMapping.insert(point.id(), activePoint);
|
||||
movePoint(activePoint, point.position());
|
||||
}
|
||||
}
|
||||
break;
|
||||
case QEvent::TouchEnd:
|
||||
if (m_fingerPointMapping.isEmpty()) {
|
||||
event->ignore();
|
||||
return false;
|
||||
case QEventPoint::Released:
|
||||
{
|
||||
// move the point and release
|
||||
const auto it = m_fingerPointMapping.find(id);
|
||||
movePoint(it.value(), point.position());
|
||||
m_fingerPointMapping.erase(it);
|
||||
}
|
||||
return true;
|
||||
break;
|
||||
|
||||
case QEvent::Resize:
|
||||
{
|
||||
QResizeEvent *e = (QResizeEvent *) event;
|
||||
if (e->oldSize().width() == 0 || e->oldSize().height() == 0)
|
||||
case QEventPoint::Updated:
|
||||
{
|
||||
// move the point
|
||||
const qsizetype pointIdx = m_fingerPointMapping.value(id, -1);
|
||||
if (pointIdx >= 0) // do we track this point?
|
||||
movePoint(pointIdx, point.position());
|
||||
}
|
||||
break;
|
||||
default:
|
||||
break;
|
||||
qreal stretch_x = e->size().width() / qreal(e->oldSize().width());
|
||||
qreal stretch_y = e->size().height() / qreal(e->oldSize().height());
|
||||
for (int i=0; i<m_points.size(); ++i) {
|
||||
QPointF p = m_points[i];
|
||||
movePoint(i, QPointF(p.x() * stretch_x, p.y() * stretch_y), false);
|
||||
}
|
||||
}
|
||||
if (m_fingerPointMapping.isEmpty()) {
|
||||
event->ignore();
|
||||
return false;
|
||||
}
|
||||
return true;
|
||||
}
|
||||
case QEvent::TouchEnd:
|
||||
if (m_fingerPointMapping.isEmpty()) {
|
||||
event->ignore();
|
||||
return false;
|
||||
}
|
||||
return true;
|
||||
|
||||
firePointChange();
|
||||
case QEvent::Resize:
|
||||
{
|
||||
auto *e = static_cast<const QResizeEvent *>(event);
|
||||
if (e->oldSize().width() <= 0 || e->oldSize().height() <= 0)
|
||||
break;
|
||||
qreal stretch_x = e->size().width() / qreal(e->oldSize().width());
|
||||
qreal stretch_y = e->size().height() / qreal(e->oldSize().height());
|
||||
for (qsizetype i = 0; i < m_points.size(); ++i) {
|
||||
QPointF p = m_points.at(i);
|
||||
movePoint(i, QPointF(p.x() * stretch_x, p.y() * stretch_y), false);
|
||||
}
|
||||
|
||||
case QEvent::Paint:
|
||||
{
|
||||
QWidget *that_widget = m_widget;
|
||||
m_widget = nullptr;
|
||||
QCoreApplication::sendEvent(object, event);
|
||||
m_widget = that_widget;
|
||||
paintPoints();
|
||||
return true;
|
||||
}
|
||||
default:
|
||||
break;
|
||||
}
|
||||
firePointChange();
|
||||
break;
|
||||
}
|
||||
|
||||
case QEvent::Paint:
|
||||
{
|
||||
QWidget *that_widget = m_widget;
|
||||
m_widget = nullptr;
|
||||
QCoreApplication::sendEvent(object, event);
|
||||
m_widget = that_widget;
|
||||
paintPoints();
|
||||
return true;
|
||||
}
|
||||
|
||||
default:
|
||||
break;
|
||||
}
|
||||
|
||||
return false;
|
||||
@ -304,8 +297,8 @@ void HoverPoints::paintPoints()
|
||||
if (m_connectionType == CurveConnection) {
|
||||
QPainterPath path;
|
||||
path.moveTo(m_points.at(0));
|
||||
for (int i=1; i<m_points.size(); ++i) {
|
||||
QPointF p1 = m_points.at(i-1);
|
||||
for (qsizetype i = 1; i < m_points.size(); ++i) {
|
||||
QPointF p1 = m_points.at(i - 1);
|
||||
QPointF p2 = m_points.at(i);
|
||||
qreal distance = p2.x() - p1.x();
|
||||
|
||||
@ -322,8 +315,8 @@ void HoverPoints::paintPoints()
|
||||
p.setPen(m_pointPen);
|
||||
p.setBrush(m_pointBrush);
|
||||
|
||||
for (int i=0; i<m_points.size(); ++i) {
|
||||
QRectF bounds = pointBoundingRect(i);
|
||||
for (const auto &point : qAsConst(m_points)) {
|
||||
QRectF bounds = pointBoundingRect(point);
|
||||
if (m_shape == CircleShape)
|
||||
p.drawEllipse(bounds);
|
||||
else
|
||||
@ -354,32 +347,28 @@ void HoverPoints::setPoints(const QPolygonF &points)
|
||||
if (points.size() != m_points.size())
|
||||
m_fingerPointMapping.clear();
|
||||
m_points.clear();
|
||||
for (int i=0; i<points.size(); ++i)
|
||||
for (qsizetype i = 0; i < points.size(); ++i)
|
||||
m_points << bound_point(points.at(i), boundingRect(), 0);
|
||||
|
||||
m_locks.clear();
|
||||
if (m_points.size() > 0) {
|
||||
m_locks.resize(m_points.size());
|
||||
|
||||
m_locks.fill(0);
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
void HoverPoints::movePoint(int index, const QPointF &point, bool emitUpdate)
|
||||
void HoverPoints::movePoint(qsizetype index, const QPointF &point, bool emitUpdate)
|
||||
{
|
||||
m_points[index] = bound_point(point, boundingRect(), m_locks.at(index));
|
||||
if (emitUpdate)
|
||||
firePointChange();
|
||||
}
|
||||
|
||||
|
||||
inline static bool x_less_than(const QPointF &p1, const QPointF &p2)
|
||||
{
|
||||
return p1.x() < p2.x();
|
||||
}
|
||||
|
||||
|
||||
inline static bool y_less_than(const QPointF &p1, const QPointF &p2)
|
||||
{
|
||||
return p1.y() < p2.y();
|
||||
@ -387,14 +376,11 @@ inline static bool y_less_than(const QPointF &p1, const QPointF &p2)
|
||||
|
||||
void HoverPoints::firePointChange()
|
||||
{
|
||||
// printf("HoverPoints::firePointChange(), current=%d\n", m_currentIndex);
|
||||
|
||||
if (m_sortType != NoSort) {
|
||||
|
||||
QPointF oldCurrent;
|
||||
if (m_currentIndex != -1) {
|
||||
if (m_currentIndex != -1)
|
||||
oldCurrent = m_points[m_currentIndex];
|
||||
}
|
||||
|
||||
if (m_sortType == XSort)
|
||||
std::sort(m_points.begin(), m_points.end(), x_less_than);
|
||||
@ -403,22 +389,14 @@ void HoverPoints::firePointChange()
|
||||
|
||||
// Compensate for changed order...
|
||||
if (m_currentIndex != -1) {
|
||||
for (int i=0; i<m_points.size(); ++i) {
|
||||
for (qsizetype i = 0; i < m_points.size(); ++i) {
|
||||
if (m_points[i] == oldCurrent) {
|
||||
m_currentIndex = i;
|
||||
break;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
// printf(" - firePointChange(), current=%d\n", m_currentIndex);
|
||||
|
||||
}
|
||||
|
||||
// for (int i=0; i<m_points.size(); ++i) {
|
||||
// printf(" - point(%2d)=[%.2f, %.2f], lock=%d\n",
|
||||
// i, m_points.at(i).x(), m_points.at(i).y(), m_locks.at(i));
|
||||
// }
|
||||
|
||||
emit pointsChanged(m_points);
|
||||
}
|
||||
|
@ -124,35 +124,33 @@ public:
|
||||
void firePointChange();
|
||||
|
||||
private:
|
||||
inline QRectF pointBoundingRect(int i) const;
|
||||
void movePoint(int i, const QPointF &newPos, bool emitChange = true);
|
||||
inline QRectF pointBoundingRect(const QPointF &p) const;
|
||||
void movePoint(qsizetype i, const QPointF &newPos, bool emitChange = true);
|
||||
|
||||
QWidget *m_widget;
|
||||
|
||||
QPolygonF m_points;
|
||||
QRectF m_bounds;
|
||||
PointShape m_shape;
|
||||
SortType m_sortType;
|
||||
ConnectionType m_connectionType;
|
||||
SortType m_sortType = NoSort;
|
||||
ConnectionType m_connectionType = CurveConnection;
|
||||
|
||||
QList<uint> m_locks;
|
||||
|
||||
QSizeF m_pointSize;
|
||||
int m_currentIndex;
|
||||
bool m_editable;
|
||||
bool m_enabled;
|
||||
QSizeF m_pointSize{11, 11};
|
||||
qsizetype m_currentIndex= -1;
|
||||
bool m_editable = true;
|
||||
bool m_enabled = true;
|
||||
|
||||
QHash<int, int> m_fingerPointMapping;
|
||||
QHash<int, qsizetype> m_fingerPointMapping;
|
||||
|
||||
QPen m_pointPen;
|
||||
QBrush m_pointBrush;
|
||||
QPen m_connectionPen;
|
||||
QPen m_pointPen{QColor(255, 255, 255, 191), 1};
|
||||
QBrush m_pointBrush{QColor(191, 191, 191, 127)};
|
||||
QPen m_connectionPen{QColor(255, 255, 255, 127), 2};
|
||||
};
|
||||
|
||||
|
||||
inline QRectF HoverPoints::pointBoundingRect(int i) const
|
||||
inline QRectF HoverPoints::pointBoundingRect(const QPointF &p) const
|
||||
{
|
||||
QPointF p = m_points.at(i);
|
||||
qreal w = m_pointSize.width();
|
||||
qreal h = m_pointSize.height();
|
||||
qreal x = p.x() - w / 2;
|
||||
|
Loading…
x
Reference in New Issue
Block a user