File indexing completed on 2024-05-05 04:35:17

 /* This file is part of the TikZKit project.
  *
  * Copyright (C) 2013 Dominik Haumann <dhaumann@kde.org>
  *
  * This library is free software; you can redistribute it and/or modify
  * it under the terms of the GNU Library General Public License as published
  * by the Free Software Foundation, either version 2 of the License, or
  * (at your option) any later version.
  *
  * This library is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  * GNU Library General Public License for more details.
  *
  * You should have received a copy of the GNU Library General Public License
  * along with this library; see the file COPYING.LIB.  If not, see
  * <http://www.gnu.org/licenses/>.
  */
 
 #include "CurveHandle.h"
 #include "PathItem.h"
 
 #include <QPainter>
 #include <QStyleOptionGraphicsItem>
 #include <QEvent>
 #include <QGraphicsSceneMouseEvent>
 
 #include <QDebug>
 
 class CurveHandlePrivate
 {
     public:
 };
 
 CurveHandle::CurveHandle(tikz::ui::PathItem * path)
     : TikzItem(path)
     , d(new CurveHandlePrivate())
 {
     // show above paths
     setZValue(10.0);
 
     setFlag(QGraphicsItem::ItemIsSelectable, true);
 }
 
 CurveHandle::~CurveHandle()
 {
     delete d;
 }
 
 int CurveHandle::type() const
 {
     return UserType + 5;
 }
 
 void CurveHandle::paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget)
 {
     Q_UNUSED(widget);
     Q_UNUSED(option);
 
     // debugging
 //     painter->drawRect(boundingRect());
 
     painter->save();
     painter->setRenderHints(QPainter::Antialiasing);
 
     painter->setPen(isHovered() || isSelected() ? Qt::green : Qt::blue);
     painter->setBrush(isHovered() || isSelected() ? QColor(0, 255, 0, 125) : QColor(0, 0, 255, 125));
     painter->drawEllipse(QPointF(0, 0), 0.2, 0.2);
 
     painter->restore();
 }
 
 QRectF CurveHandle::boundingRect() const
 {
     return QRectF(-0.25, -0.25, 0.5, 0.5);
 }
 
 bool CurveHandle::contains(const QPointF &point) const
 {
     // within circle of 2.5 mm?
     return (point.x() * point.x() + point.y() * point.y()) <= (0.25 * 0.25);
 }
 
 void CurveHandle::mouseMoveEvent(QGraphicsSceneMouseEvent * event)
 {
     event->accept();
     Q_EMIT positionChanged(event->pos());
 }
 
 void CurveHandle::mousePressEvent(QGraphicsSceneMouseEvent * event)
 {
     event->accept();
 }
 
 void CurveHandle::mouseReleaseEvent(QGraphicsSceneMouseEvent * event)
 {
     event->accept();
 }
 
 // kate: indent-width 4; replace-tabs on;