68 lines
1.6 KiB
C++
68 lines
1.6 KiB
C++
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#include "QCPSizeHandle.h"
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QCPSizeHandle::QCPSizeHandle(QCustomPlot *parentPlot)
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: QCPAbstractItem(parentPlot),
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position(createPosition(QLatin1String("position"))),
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mHovered(false)
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{
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// position->setType(QCPItemPosition::ptAbsolute);
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setBrush(QColor("#436EEE"));
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setHoveredBrush(QColor("#1C86EE"));
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setSelectedBrush(QColor("#3A5FCD"));
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setSize(8);
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}
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QCPSizeHandle::~QCPSizeHandle()
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{
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}
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void QCPSizeHandle::setBrush(const QBrush &brush)
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{
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mBrush = brush;
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}
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void QCPSizeHandle::setSelectedBrush(const QBrush &brush)
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{
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mSelectedBrush = brush;
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}
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void QCPSizeHandle::setHoveredBrush(const QBrush &brush)
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{
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mHoveredBrush = brush;
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}
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void QCPSizeHandle::setSize(double size)
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{
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mSize = size;
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}
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double QCPSizeHandle::selectTest(const QPointF &pos, bool onlySelectable, QVariant *details) const
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{
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Q_UNUSED(details)
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if (onlySelectable && !mSelectable)
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return -1;
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QPointF itemPos = position->pixelPosition();
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QRectF rect = QRectF(itemPos.x() - mSize * 0.5, itemPos.y() - mSize * 0.5, mSize, mSize);
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bool filledRect = mBrush.style() != Qt::NoBrush && mBrush.color().alpha() != 0;
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return rectDistance(rect, pos, filledRect);
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}
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void QCPSizeHandle::draw(QCPPainter *painter)
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{
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QRectF rect(-mSize * 0.5, -mSize * 0.5, mSize, mSize);
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painter->translate(position->pixelPosition());
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painter->setClipRect(rect);
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painter->setPen(Qt::NoPen);
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painter->setBrush(mainBrush());
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painter->drawRect(rect);
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}
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QBrush QCPSizeHandle::mainBrush() const
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{
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return selected() ? mSelectedBrush : (mHovered ? mHoveredBrush : mBrush);
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}
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