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https://github.com/qelectrotech/qelectrotech-source-mirror.git
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Replace DVEventAddImage by DiagramEventAddImage.
Use is unchanged. git-svn-id: svn+ssh://svn.tuxfamily.org/svnroot/qet/qet/trunk@4257 bfdf4180-ca20-0410-9c96-a3a8aa849046
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blacksun
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/*
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Copyright 2006-2015 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 "diagramimageitem.h"
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#include "diagramcommands.h"
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#include "dveventaddimage.h"
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#include "diagramview.h"
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#include "diagram.h"
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#include <QObject>
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#include <QStandardPaths>
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/**
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* @brief DVEventAddImage::DVEventAddImage
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* Defaultconstructor
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* @param dv : diagram view where operate this event
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*/
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DVEventAddImage::DVEventAddImage(DiagramView *dv) :
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DVEventInterface (dv),
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m_image (nullptr),
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m_is_added (false)
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{
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openDialog();
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}
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/**
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* @brief DVEventAddImage::~DVEventAddImage
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*/
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DVEventAddImage::~DVEventAddImage() {
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if (m_running || m_abort) {
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if (m_is_added) m_diagram -> removeItem(m_image);
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delete m_image;
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}
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m_dv -> setContextMenuPolicy(Qt::DefaultContextMenu);
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}
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/**
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* @brief DVEventAddImage::mousePressEvent
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* Action when mouse is pressed
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* @param event : event of mouse pressed
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* @return : true if this event is managed, otherwise false
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*/
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bool DVEventAddImage::mousePressEvent(QMouseEvent *event)
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{
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if (m_image && event -> button() == Qt::LeftButton)
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{
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QPointF pos = m_dv -> mapToScene(event -> pos());
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pos.rx() -= m_image->boundingRect().width()/2;
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pos.ry() -= m_image->boundingRect().height()/2;
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m_diagram -> undoStack().push (new AddItemCommand<DiagramImageItem *>(m_image, m_diagram, pos));
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m_dv -> setContextMenuPolicy(Qt::DefaultContextMenu);
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m_running = false;
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emit finish();
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return true;
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}
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if (m_image && event -> button() == Qt::RightButton) {
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m_image -> rotateBy(90);
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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 DVEventAddImage::mouseMoveEvent
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* Action when mouse move
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* @param event : event of mouse move
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* @return : true if this event is managed, otherwise false
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*/
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bool DVEventAddImage::mouseMoveEvent(QMouseEvent *event) {
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//@m_image isn't loaded, we return true and @m_running return
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//so the diagram view owner of this DVEevent will delete it.
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//if (!m_image) return true;
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if (!m_image || event -> buttons() != Qt::NoButton) return false;
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QPointF pos = m_dv -> mapToScene(event -> pos());
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if (!m_is_added) {
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m_dv -> setContextMenuPolicy(Qt::NoContextMenu);
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m_diagram -> addItem(m_image);
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m_is_added = true;
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}
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m_image -> setPos(pos - m_image -> boundingRect().center());
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return true;
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}
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/**
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* @brief DVEventAddImage::mouseDoubleClickEvent
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* This methode is only use to overwrite double click.
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* When double clic, image propertie dialog isn't open.
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* @param event : event of mouse double click
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* @return : true if this event is managed, otherwise false
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*/
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bool DVEventAddImage::mouseDoubleClickEvent(QMouseEvent *event) {
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Q_UNUSED(event);
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return true;
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}
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/**
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* @brief DVEventAddImage::wheelEvent
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* Action when mouse wheel is rotate
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* @param event : event of mouse wheel
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* @return : true if this event is managed, otherwise false
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*/
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bool DVEventAddImage::wheelEvent(QWheelEvent *event) {
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if (!m_is_added || !m_image || event -> modifiers() != Qt::CTRL) return false;
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qreal scaling = m_image->scale();
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event->delta() > 1? scaling += 0.01 : scaling -= 0.01;
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if (scaling>0.01 && scaling <= 2)
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m_image->setScale(scaling);
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return true;
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}
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/**
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* @brief DVEventAddImage::isNull
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* @return true if image can't be loaded, otherwise return false.
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*/
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bool DVEventAddImage::isNull() const {
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if (!m_image) return true;
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return false;
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}
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/**
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* @brief DVEventAddImage::openDialog
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* Open dialog for select the image to add.
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*/
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void DVEventAddImage::openDialog() {
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if (m_diagram -> isReadOnly()) return;
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//Open dialog for select image
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QString pathPictures = QStandardPaths::writableLocation(QStandardPaths::PicturesLocation);
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QString fileName = QFileDialog::getOpenFileName(m_dv, QObject::tr("Selectionner une image..."), pathPictures, QObject::tr("Image Files (*.png *.jpg *.bmp *.svg)"));
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if (fileName.isEmpty()) return;
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QImage image(fileName);
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if(image.isNull()) {
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QMessageBox::critical(m_dv, QObject::tr("Erreur"), QObject::tr("Impossible de charger l'image."));
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return;
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}
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m_image = new DiagramImageItem (QPixmap::fromImage(image));
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m_running = true;
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}
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@@ -1,52 +0,0 @@
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/*
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Copyright 2006-2015 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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|
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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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#ifndef DVEVENTADDIMAGE_H
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#define DVEVENTADDIMAGE_H
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#include "dveventinterface.h"
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class DiagramImageItem;
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/**
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* @brief The DVEventAddImage class
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* This dv event, open an image and add it to diagram view.
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*/
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class DVEventAddImage : public DVEventInterface
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{
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Q_OBJECT
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public:
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DVEventAddImage(DiagramView *dv);
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virtual ~DVEventAddImage();
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virtual bool mousePressEvent (QMouseEvent *event);
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virtual bool mouseMoveEvent (QMouseEvent *event);
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virtual bool mouseDoubleClickEvent (QMouseEvent *event);
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virtual bool wheelEvent (QWheelEvent *event);
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bool isNull () const;
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private:
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void openDialog();
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DiagramImageItem *m_image;
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bool m_is_added;
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};
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#endif // DVEVENTADDIMAGE_H
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