64 lines
1.7 KiB
C++
64 lines
1.7 KiB
C++
#include "alignedtextitem.h"
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#include "blockbase.h"
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#include <QApplication>
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#include <QPainter>
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#include <QDebug>
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AlignedTextItem::AlignedTextItem(QGraphicsItem * parent): QGraphicsItem(parent), text_(this) {
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align_ = Qt::AlignTop | Qt::AlignHCenter;
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text_.setData(bvidVisualizeSelection, true);
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setFont(font());
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_move();
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}
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AlignedTextItem::AlignedTextItem(const QString & text, QGraphicsItem * parent): QGraphicsItem(parent), text_(this) {
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align_ = Qt::AlignTop | Qt::AlignHCenter;
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text_.setData(bvidVisualizeSelection, true);
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setFont(font());
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setText(text);
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}
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void AlignedTextItem::setFont(const QFont & f) {
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font_ = f;
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text_.setFont(sceneFont(f));
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_move();
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}
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QFont AlignedTextItem::sceneFont(const QFont & f) {
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QFont ret = f;
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double scl = 16. / QApplication::fontMetrics().size(0, "0").height();
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ret.setPointSizeF(ret.pointSizeF() * scl);
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return ret;
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}
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QPointF AlignedTextItem::_point(Qt::Alignment a) const {
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QRectF br = text_.boundingRect();
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QPointF ret;
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switch (Qt::AlignmentFlag(int(align_ & Qt::AlignHorizontal_Mask))) {
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case Qt::AlignRight: ret.rx() = br.left(); break;
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case Qt::AlignHCenter: ret.rx() = br.center().x(); break;
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case Qt::AlignLeft: ret.rx() = br.right(); break;
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default: break;
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}
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switch (Qt::AlignmentFlag(int(align_ & Qt::AlignVertical_Mask))) {
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case Qt::AlignBottom: ret.ry() = br.top(); break;
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case Qt::AlignVCenter: ret.ry() = br.center().y(); break;
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case Qt::AlignTop: ret.ry() = br.bottom(); break;
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default: break;
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}
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return ret;
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}
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void AlignedTextItem::paint(QPainter * painter, const QStyleOptionGraphicsItem * option, QWidget * widget) {
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if (isSelected()) {
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painter->setPen(QPen(Qt::DashLine));
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painter->setBrush(Qt::NoBrush);
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painter->drawRect(boundingRect());
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}
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}
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