82 lines
2.1 KiB
C++
82 lines
2.1 KiB
C++
#include "UnitDelegate.h"
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#include <QPainter>
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BasicUnitDelegate::BasicUnitDelegate(QObject* parent /*= nullptr*/)
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:UnitPresentDelegate(parent) {
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}
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int BasicUnitDelegate::unitType() const
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{
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return 0;
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}
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void BasicUnitDelegate::paint(QPainter* p, const PresentOption& option)
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{
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p->setRenderHint(QPainter::Antialiasing, true);
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auto rect = option.outline;
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auto center = rect.center();
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auto alen = rect.width() / 2;
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const float xspan = alen * sqrt(3) / 2;
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QRadialGradient brush(center, alen);
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brush.setColorAt(0, Qt::gray);
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brush.setColorAt(1, Qt::white);
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p->setBrush(brush);
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auto pathx = clipPathGet(rect);
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if (_hot_index == option.index) {
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auto pen = p->pen();
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pen.setColor(Qt::red);
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pen.setWidth(10);
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p->setPen(pen);
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}
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p->drawPath(pathx);
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auto ft = p->font();
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ft.setPixelSize(alen * 0.3);
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p->setFont(ft);
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p->setPen(Qt::white);
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auto text_rect = QRectF(center.x() - xspan, center.y() - alen / 2, xspan * 2, alen);
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auto text_str = QString("(%1,%2)").arg(option.index.row).arg(option.index.col);
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p->drawText(text_rect, Qt::AlignCenter, text_str);
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}
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QPainterPath BasicUnitDelegate::clipPathGet(const QRectF& rect)
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{
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auto center = rect.center();
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auto alen = rect.width() / 2;
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const float xspan = alen * sqrt(3) / 2;
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QList<QPointF> points;
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points << QPointF(center.x() - xspan, center.y() - alen / 2);
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points << QPointF(center.x(), 0);
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points << QPointF(center.x() + xspan, center.y() - alen / 2);
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points << QPointF(center.x() + xspan, center.y() + alen / 2);
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points << QPointF(center.x(), rect.height());
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points << QPointF(center.x() - xspan, center.y() + alen / 2);
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points << QPointF(center.x() - xspan, center.y() - alen / 2);
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QPainterPath clicp_path;
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clicp_path.moveTo(points.first());
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for (auto idx = 0; idx < points.size(); ++idx) {
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clicp_path.lineTo(points[idx]);
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}
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return clicp_path;
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}
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void BasicUnitDelegate::hotClear()
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{
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_hot_index = PresentIndex();
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emit this->updateRequest(_hot_index);
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}
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void BasicUnitDelegate::hotIndexSet(const PresentIndex& idx)
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{
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if (_hot_index != idx) {
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_hot_index = idx;
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emit this->updateRequest(idx);
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}
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}
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