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https://github.com/qelectrotech/qelectrotech-source-mirror.git
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8892828f87
git-svn-id: svn+ssh://svn.tuxfamily.org/svnroot/qet/qet/trunk@3461 bfdf4180-ca20-0410-9c96-a3a8aa849046
107 lines
2.8 KiB
C++
107 lines
2.8 KiB
C++
/*
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Copyright 2006-2014 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 <QObject>
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#include "eseventaddellipse.h"
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#include "partellipse.h"
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#include "editorcommands.h"
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#include "elementscene.h"
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/**
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* @brief ESEventAddEllipse::ESEventAddEllipse
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* @param scene
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*/
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ESEventAddEllipse::ESEventAddEllipse(ElementScene *scene) :
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ESEventInterface(scene),
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m_ellipse(nullptr)
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{}
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/**
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* @brief ESEventAddEllipse::~ESEventAddEllipse
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*/
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ESEventAddEllipse::~ESEventAddEllipse() {
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if (m_running || m_abort){
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delete m_ellipse;
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}
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}
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/**
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* @brief ESEventAddEllipse::mousePressEvent
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* @param event
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* @return
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*/
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bool ESEventAddEllipse::mousePressEvent(QGraphicsSceneMouseEvent *event) {
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if (event -> button() == Qt::LeftButton) {
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if(!m_running) m_running = true;
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QPointF pos = m_scene->snapToGrid(event -> scenePos());
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//create new ellpise
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if (!m_ellipse) {
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m_ellipse = new PartEllipse(m_editor, 0, m_scene);
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m_ellipse -> setRect(QRectF(pos, pos));
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m_origin = pos;
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return true;
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}
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//Add ellipse to scene
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m_ellipse -> setRect(m_ellipse -> rect().normalized());
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m_scene -> undoStack().push(new AddPartCommand(QObject::tr("Rectangle"), m_scene, m_ellipse));
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//Set m_ellipse to nullptr for create new ellipse at next mouse press
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m_ellipse = nullptr;
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return true;
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}
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return false;
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}
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/**
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* @brief ESEventAddRect::mouseMoveEvent
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* @param event
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* @return
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*/
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bool ESEventAddEllipse::mouseMoveEvent(QGraphicsSceneMouseEvent *event) {
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updateHelpCross(event -> scenePos());
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if (!m_ellipse) return false;
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QPointF mouse_pos = m_scene -> snapToGrid(event -> scenePos());
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qreal width = (mouse_pos.x() - m_origin.x())*2;
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qreal height = (mouse_pos.y() - m_origin.y())*2;
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QPointF pos(m_origin.x() - width/2,
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m_origin.y() - height/2);
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m_ellipse -> setRect(QRectF(pos, QSizeF(width, height)));
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return true;
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}
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/**
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* @brief ESEventAddEllipse::mouseReleaseEvent
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* @param event
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* @return
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*/
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bool ESEventAddEllipse::mouseReleaseEvent(QGraphicsSceneMouseEvent *event) {
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if (event -> button() == Qt::RightButton) {
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if (m_ellipse) {delete m_ellipse; m_ellipse = nullptr;}
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else {m_running = false;}
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return true;
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}
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return false;
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}
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