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https://github.com/qelectrotech/qelectrotech-source-mirror.git
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141 lines
3.8 KiB
C++
141 lines
3.8 KiB
C++
/*
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Copyright 2006-2025 The QElectroTech Team
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This file is part of QElectroTech.
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QElectroTech is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 2 of the License, or
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(at your option) any later version.
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QElectroTech is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with QElectroTech. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "qetgraphicshandleritem.h"
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#include <QPainter>
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#include <QDebug>
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#include <utility>
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#include <QPropertyAnimation>
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/**
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@brief QetGraphicsHandlerItem::QetGraphicsHandlerItem
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@param size : the size of the handler
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*/
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QetGraphicsHandlerItem::QetGraphicsHandlerItem(qreal size)
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{
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setAcceptHoverEvents(true);
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setFlag(QGraphicsItem::ItemIgnoresTransformations);
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setSize(size);
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}
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void QetGraphicsHandlerItem::setSize(qreal size)
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{
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prepareGeometryChange();
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m_current_size = m_original_size = size;
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m_handler_rect.setRect(0-m_current_size/2, 0-m_current_size/2, m_current_size, m_current_size);
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m_br.setRect(-1-m_current_size/2, -1-m_current_size/2, m_current_size+2, m_current_size+2);
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}
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/**
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@brief QetGraphicsHandlerItem::boundingRect
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@return
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*/
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QRectF QetGraphicsHandlerItem::boundingRect() const
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{
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return m_br;
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}
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/**
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@brief QetGraphicsHandlerItem::setColor
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@param color : set the color of the handler
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*/
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void QetGraphicsHandlerItem::setColor(QColor color)
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{
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m_color = std::move(color);
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update();
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}
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/**
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@brief QetGraphicsHandlerItem::paint
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@param painter
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@param option
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@param widget
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*/
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void QetGraphicsHandlerItem::paint(QPainter *painter,
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const QStyleOptionGraphicsItem *option,
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QWidget *widget)
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{
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Q_UNUSED(option)
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Q_UNUSED(widget)
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painter->save();
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painter->setBrush(QBrush(m_color));
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QPen pen(QBrush(m_color),
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2,
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Qt::SolidLine,
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Qt::SquareCap,
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Qt::MiterJoin);
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pen.setCosmetic(true);
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painter->setPen(pen);
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painter->setRenderHint(QPainter::Antialiasing, true);
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painter->drawEllipse(m_handler_rect);
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painter->restore();
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}
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void QetGraphicsHandlerItem::hoverEnterEvent(QGraphicsSceneHoverEvent *event)
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{
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Q_UNUSED(event);
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auto animation_ = new QPropertyAnimation(this, "currentSize");
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animation_->setStartValue(m_original_size);
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animation_->setEndValue(m_original_size*1.5);
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animation_->setDuration(200);
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animation_->setEasingCurve(QEasingCurve::OutBack);
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animation_->start(QAbstractAnimation::DeleteWhenStopped);
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}
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void QetGraphicsHandlerItem::hoverLeaveEvent(QGraphicsSceneHoverEvent *event)
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{
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Q_UNUSED(event);
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auto animation_ = new QPropertyAnimation(this, "currentSize");
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animation_->setStartValue(m_current_size);
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animation_->setEndValue(m_original_size);
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animation_->setDuration(200);
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animation_->setEasingCurve(QEasingCurve::OutBack);
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animation_->start(QAbstractAnimation::DeleteWhenStopped);
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}
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void QetGraphicsHandlerItem::setCurrentSize(qreal size)
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{
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prepareGeometryChange();
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m_current_size = size;
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m_handler_rect.setRect(0-m_current_size/2, 0-m_current_size/2, m_current_size, m_current_size);
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m_br.setRect(-1-m_current_size/2, -1-m_current_size/2, m_current_size+2, m_current_size+2);
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}
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/**
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@brief QetGraphicsHandlerItem::handlerForPoint
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@param points
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@param size
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@return A list of handler with pos at point
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*/
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QVector<QetGraphicsHandlerItem *> QetGraphicsHandlerItem::handlerForPoint(
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const QVector<QPointF> &points,
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int size)
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{
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QVector <QetGraphicsHandlerItem *> list_;
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for (QPointF point : points)
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{
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QetGraphicsHandlerItem *qghi = new QetGraphicsHandlerItem(size);
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qghi->setPos(point);
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list_ << qghi;
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}
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return list_;
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}
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