653 lines
21 KiB
C++
653 lines
21 KiB
C++
/***************************************************************************
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* Copyright (c) 2012-2013 Luke Parry <l.parry@warwick.ac.uk> *
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* *
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* This file is part of the FreeCAD CAx development system. *
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* *
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* This library is free software; you can redistribute it and/or *
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* modify it under the terms of the GNU Library General Public *
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* License as published by the Free Software Foundation; either *
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* version 2 of the License, or (at your option) any later version. *
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* *
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* This library 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 Library General Public License for more details. *
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* *
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* You should have received a copy of the GNU Library General Public *
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* License along with this library; see the file COPYING.LIB. If not, *
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* write to the Free Software Foundation, Inc., 59 Temple Place, *
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* Suite 330, Boston, MA 02111-1307, USA *
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* *
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***************************************************************************/
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#include "PreCompiled.h"
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#ifndef _PreComp_
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#include <QAction>
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#include <QApplication>
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#include <QContextMenuEvent>
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#include <QGraphicsScene>
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#include <QGraphicsSceneHoverEvent>
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#include <QGraphicsSceneMouseEvent>
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#include <QMenu>
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#include <QMessageBox>
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#include <QMouseEvent>
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#include <QPainter>
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#include <QPainterPathStroker>
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#include <QStyleOptionGraphicsItem>
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#include <QTextOption>
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#include <QTransform>
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#endif
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#include <App/Application.h>
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#include <App/Document.h>
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#include <App/Material.h>
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#include <Base/Console.h>
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#include <Gui/Selection.h>
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#include <Gui/Command.h>
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#include <Gui/Application.h>
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#include <Gui/Document.h>
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#include <Gui/ViewProvider.h>
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#include "Rez.h"
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#include "ZVALUE.h"
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#include "DrawGuiUtil.h"
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#include "QGCustomBorder.h"
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#include "QGCustomLabel.h"
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#include "QGCustomBorder.h"
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#include "QGCustomLabel.h"
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#include "QGCustomText.h"
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#include "QGICaption.h"
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#include "QGCustomClip.h"
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#include "QGCustomImage.h"
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#include "QGIViewClip.h"
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#include "ViewProviderDrawingView.h"
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#include "MDIViewPage.h"
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#include "QGICMark.h"
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#include <Mod/TechDraw/App/DrawViewClip.h>
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#include <Mod/TechDraw/App/DrawProjGroup.h>
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#include <Mod/TechDraw/App/DrawProjGroupItem.h>
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#include <Mod/TechDraw/App/DrawUtil.h>
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#include "QGIView.h"
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using namespace TechDrawGui;
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const float labelCaptionFudge = 0.2f; // temp fiddle for devel
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QGIView::QGIView()
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:QGraphicsItemGroup(),
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viewObj(nullptr),
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m_locked(false),
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borderVisible(true),
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m_innerView(false)
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{
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setCacheMode(QGraphicsItem::NoCache);
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setHandlesChildEvents(false);
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setAcceptHoverEvents(true);
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setFlag(QGraphicsItem::ItemIsSelectable, true);
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setFlag(QGraphicsItem::ItemIsMovable, true);
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setFlag(QGraphicsItem::ItemSendsScenePositionChanges, true);
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setFlag(QGraphicsItem::ItemSendsGeometryChanges,true);
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m_colCurrent = getNormalColor();
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m_pen.setColor(m_colCurrent);
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//Border/Label styling
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m_font.setPointSize(getPrefFontSize()); //scene units (mm), not points
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m_decorPen.setStyle(Qt::DashLine);
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m_decorPen.setWidth(0); // 0 => 1px "cosmetic pen"
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m_label = new QGCustomLabel();
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addToGroup(m_label);
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m_border = new QGCustomBorder();
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addToGroup(m_border);
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m_caption = new QGICaption();
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addToGroup(m_caption);
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m_lock = new QGCustomImage();
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m_lock->setParentItem(m_label);
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m_lock->load(QString::fromUtf8(":/icons/techdraw-lock.png"));
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QSize sizeLock = m_lock->imageSize();
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m_lockWidth = (double) sizeLock.width();
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m_lockHeight = (double) sizeLock.height();
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m_lock->hide();
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}
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QGIView::~QGIView()
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{
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signalSelectPoint.disconnect_all_slots();
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}
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void QGIView::isVisible(bool state)
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{
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auto feat = getViewObject();
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if (feat != nullptr) {
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auto vp = QGIView::getViewProvider(feat);
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if (vp != nullptr) {
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Gui::ViewProviderDocumentObject* vpdo = dynamic_cast<Gui::ViewProviderDocumentObject*>(vp);
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if (vpdo != nullptr) {
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vpdo->Visibility.setValue(state);
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}
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}
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}
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}
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bool QGIView::isVisible(void)
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{
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bool result = false;
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auto feat = getViewObject();
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if (feat != nullptr) {
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auto vp = QGIView::getViewProvider(feat);
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if (vp != nullptr) {
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Gui::ViewProviderDocumentObject* vpdo = dynamic_cast<Gui::ViewProviderDocumentObject*>(vp);
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if (vpdo != nullptr) {
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result = vpdo->Visibility.getValue();
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}
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}
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}
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return result;
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}
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void QGIView::alignTo(QGraphicsItem*item, const QString &alignment)
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{
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alignHash.clear();
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alignHash.insert(alignment, item);
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}
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QVariant QGIView::itemChange(GraphicsItemChange change, const QVariant &value)
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{
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QPointF newPos(0.0,0.0);
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if(change == ItemPositionChange && scene()) {
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// if(change == ItemPositionHasChanged && scene()) {
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newPos = value.toPointF(); //position within parent!
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if(m_locked){
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newPos.setX(pos().x());
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newPos.setY(pos().y());
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return newPos;
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}
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// TODO find a better data structure for this
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// this is just a pair isn't it?
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if (getViewObject()->isDerivedFrom(TechDraw::DrawProjGroupItem::getClassTypeId())) {
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TechDraw::DrawProjGroupItem* dpgi = static_cast<TechDraw::DrawProjGroupItem*>(getViewObject());
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TechDraw::DrawProjGroup* dpg = dpgi->getPGroup();
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if (dpg != nullptr) {
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if(alignHash.size() == 1) { //if aligned.
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QGraphicsItem* item = alignHash.begin().value();
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QString alignMode = alignHash.begin().key();
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if(alignMode == QString::fromLatin1("Vertical")) {
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newPos.setX(item->pos().x());
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} else if(alignMode == QString::fromLatin1("Horizontal")) {
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newPos.setY(item->pos().y());
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} else if(alignMode == QString::fromLatin1("45slash")) {
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//this logic is wrong since the constained movement direction is not necessarily 45*
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// Base::Console().Message("QGIV::itemChange - oblique BL-TR\n");
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// double dist = ( (newPos.x() - item->pos().x()) +
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// (item->pos().y() - newPos.y()) ) / 2.0;
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// newPos.setX( item->pos().x() + dist);
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// newPos.setY( item->pos().y() - dist );
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} else if(alignMode == QString::fromLatin1("45backslash")) {
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//this logic is wrong since the constained movement direction is not necessarily 45*
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// Base::Console().Message("QGIV::itemChange - oblique TL-BR\n");
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// double dist = ( (newPos.x() - item->pos().x()) +
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// (newPos.y() - item->pos().y()) ) / 2.0;
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// newPos.setX( item->pos().x() + dist);
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// newPos.setY( item->pos().y() + dist );
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}
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}
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}
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}
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return newPos;
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}
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if (change == ItemSelectedHasChanged && scene()) {
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if(isSelected()) {
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m_colCurrent = getSelectColor();
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} else {
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m_colCurrent = getNormalColor();
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}
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drawBorder();
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}
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return QGraphicsItemGroup::itemChange(change, value);
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}
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void QGIView::mousePressEvent(QGraphicsSceneMouseEvent * event)
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{
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signalSelectPoint(this, event->pos());
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QGraphicsItemGroup::mousePressEvent(event);
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}
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void QGIView::mouseMoveEvent(QGraphicsSceneMouseEvent * event)
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{
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QGraphicsItem::mouseMoveEvent(event);
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}
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void QGIView::mouseReleaseEvent(QGraphicsSceneMouseEvent * event)
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{
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if(!m_locked) {
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if (!isInnerView()) {
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double tempX = x(),
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tempY = getY();
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getViewObject()->setPosition(Rez::appX(tempX),Rez::appX(tempY));
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} else {
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getViewObject()->setPosition(Rez::appX(x()),Rez::appX(getYInClip(y())));
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}
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}
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QGraphicsItem::mouseReleaseEvent(event);
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}
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void QGIView::hoverEnterEvent(QGraphicsSceneHoverEvent *event)
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{
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Q_UNUSED(event);
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// TODO don't like this but only solution at the minute (MLP)
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if (isSelected()) {
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m_colCurrent = getSelectColor();
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} else {
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m_colCurrent = getPreColor();
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}
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drawBorder();
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}
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void QGIView::hoverLeaveEvent(QGraphicsSceneHoverEvent *event)
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{
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Q_UNUSED(event);
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if(isSelected()) {
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m_colCurrent = getSelectColor();
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} else {
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m_colCurrent = getNormalColor();
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}
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drawBorder();
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}
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void QGIView::setPosition(qreal x, qreal y)
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{
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double newX = x;
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double newY;
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double oldX = pos().x();
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double oldY = pos().y();
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if (!isInnerView()) {
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newY = -y;
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} else {
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newY = getYInClip(y);
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}
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if ( (TechDraw::DrawUtil::fpCompare(newX,oldX)) &&
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(TechDraw::DrawUtil::fpCompare(newY,oldY)) ) {
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return;
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} else {
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setPos(newX,newY);
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}
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}
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//is this needed anymore???
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double QGIView::getYInClip(double y)
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{
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return -y;
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}
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QGIViewClip* QGIView::getClipGroup(void)
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{
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if (!getViewObject()->isInClip()) {
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Base::Console().Log( "Logic Error - getClipGroup called for child "
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"(%s) not in Clip\n", getViewName() );
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return nullptr;
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}
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QGIViewClip* result = nullptr;
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auto parentClip( dynamic_cast<QGCustomClip*>( parentItem() ) );
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if (parentClip) {
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auto parentView( dynamic_cast<QGIViewClip*>( parentClip->parentItem() ) );
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if (parentView) {
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result = parentView;
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}
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}
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return result;
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}
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void QGIView::updateView(bool update)
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{
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// Base::Console().Message("QGIV::updateView() - %s\n",getViewObject()->getNameInDocument());
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(void) update;
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if (getViewObject()->isLocked()) {
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setFlag(QGraphicsItem::ItemIsMovable, false);
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} else {
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setFlag(QGraphicsItem::ItemIsMovable, true);
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}
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if (getViewObject()->X.isTouched() || //change in feat position
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getViewObject()->Y.isTouched()) {
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double featX = Rez::guiX(getViewObject()->X.getValue());
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double featY = Rez::guiX(getViewObject()->Y.getValue());
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setPosition(featX,featY);
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}
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double appRotation = getViewObject()->Rotation.getValue();
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double guiRotation = rotation();
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if (!TechDraw::DrawUtil::fpCompare(appRotation,guiRotation)) {
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rotateView();
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}
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QGIView::draw();
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}
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//QGIVP derived classes do not need a rotate view method as rotation is handled on App side.
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void QGIView::rotateView(void)
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{
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//NOTE: QPainterPaths have to be rotated individually. This transform handles Rotation for everything else.
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//Scale is handled in GeometryObject for DVP & descendents
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//Objects not descended from DVP must setScale for themselves
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//note that setTransform(,,rotation,,) is not the same as setRotation!!!
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double rot = getViewObject()->Rotation.getValue();
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QPointF centre = boundingRect().center();
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setTransform(QTransform().translate(centre.x(), centre.y()).rotate(-rot).translate(-centre.x(), -centre.y()));
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}
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const char * QGIView::getViewName() const
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{
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return viewName.c_str();
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}
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const std::string QGIView::getViewNameAsString() const
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{
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return viewName;
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}
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TechDraw::DrawView * QGIView::getViewObject() const
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{
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return viewObj;
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}
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void QGIView::setViewFeature(TechDraw::DrawView *obj)
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{
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if(obj == 0)
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return;
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viewObj = obj;
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viewName = obj->getNameInDocument();
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//mark the actual QGraphicsItem so we can check what's in the scene later
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setData(0,QString::fromUtf8("QGIV"));
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setData(1,QString::fromUtf8(obj->getNameInDocument()));
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}
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void QGIView::toggleCache(bool state)
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{
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// temp for devl. chaching was hiding problems WF
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//setCacheMode((state)? NoCache : NoCache);
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Q_UNUSED(state);
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setCacheMode(NoCache);
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}
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void QGIView::toggleBorder(bool state)
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{
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borderVisible = state;
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QGIView::draw();
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}
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void QGIView::draw()
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{
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if (isVisible()) {
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drawBorder();
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show();
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} else {
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hide();
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}
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}
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void QGIView::drawCaption()
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{
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prepareGeometryChange();
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QRectF displayArea = customChildrenBoundingRect();
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m_caption->setDefaultTextColor(m_colCurrent);
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m_font.setFamily(getPrefFont());
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m_font.setPointSize(getPrefFontSize()); //scene units (0.1 mm), not points
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m_caption->setFont(m_font);
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QString captionStr = QString::fromUtf8(getViewObject()->Caption.getValue());
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m_caption->setPlainText(captionStr);
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QRectF captionArea = m_caption->boundingRect();
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QPointF displayCenter = displayArea.center();
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m_caption->setX(displayCenter.x() - captionArea.width()/2.);
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double labelHeight = (1 - labelCaptionFudge) * m_label->boundingRect().height();
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auto vp = static_cast<ViewProviderDrawingView*>(getViewProvider(getViewObject()));
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if (borderVisible || vp->KeepLabel.getValue()) { //place below label if label visible
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m_caption->setY(displayArea.bottom() + labelHeight);
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} else {
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m_caption->setY(displayArea.bottom() + labelCaptionFudge * getPrefFontSize());
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}
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m_caption->show();
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}
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void QGIView::drawBorder()
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{
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auto feat = getViewObject();
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if (feat == nullptr) {
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return;
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}
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drawCaption();
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//show neither
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auto vp = static_cast<ViewProviderDrawingView*>(getViewProvider(getViewObject()));
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if (!borderVisible && !vp->KeepLabel.getValue()) {
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m_label->hide();
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m_border->hide();
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m_lock->hide();
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return;
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}
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//show both or show label
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//double margin = 2.0;
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m_label->hide();
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m_border->hide();
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m_lock->hide();
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m_label->setDefaultTextColor(m_colCurrent);
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m_font.setFamily(getPrefFont());
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m_font.setPointSize(getPrefFontSize()); //scene units (0.1 mm), not points
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m_label->setFont(m_font);
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QString labelStr = QString::fromUtf8(getViewObject()->Label.getValue());
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m_label->setPlainText(labelStr);
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QRectF labelArea = m_label->boundingRect();
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double labelWidth = m_label->boundingRect().width();
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double labelHeight = (1 - labelCaptionFudge) * m_label->boundingRect().height();
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QBrush b(Qt::NoBrush);
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m_border->setBrush(b);
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m_decorPen.setColor(m_colCurrent);
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m_border->setPen(m_decorPen);
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QRectF displayArea = customChildrenBoundingRect();
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double displayWidth = displayArea.width();
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double displayHeight = displayArea.height();
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QPointF displayCenter = displayArea.center();
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m_label->setX(displayCenter.x() - labelArea.width()/2.);
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m_label->setY(displayArea.bottom());
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double frameWidth = displayWidth;
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if (labelWidth > displayWidth) {
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frameWidth = labelWidth;
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}
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double frameHeight = labelHeight + displayHeight;
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QRectF frameArea = QRectF(displayCenter.x() - frameWidth/2.,
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displayArea.top(),
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frameWidth,
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frameHeight);
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double lockX = labelArea.left();
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double lockY = labelArea.bottom() - (2 * m_lockHeight);
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if (feat->isLocked()) {
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m_lock->setZValue(ZVALUE::LOCK);
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m_lock->setPos(lockX,lockY);
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m_lock->show();
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} else {
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m_lock->hide();
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}
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prepareGeometryChange();
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m_border->setRect(frameArea.adjusted(-2,-2,2,2));
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m_border->setPos(0.,0.);
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m_label->show();
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if (borderVisible) {
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m_border->show();
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}
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}
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void QGIView::paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget)
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{
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QStyleOptionGraphicsItem myOption(*option);
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myOption.state &= ~QStyle::State_Selected;
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// painter->drawRect(boundingRect()); //good for debugging
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QGraphicsItemGroup::paint(painter, &myOption, widget);
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}
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QRectF QGIView::customChildrenBoundingRect() const
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{
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QList<QGraphicsItem*> children = childItems();
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int dimItemType = QGraphicsItem::UserType + 106; // TODO: Magic number warning.
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int borderItemType = QGraphicsItem::UserType + 136; // TODO: Magic number warning
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int labelItemType = QGraphicsItem::UserType + 135; // TODO: Magic number warning
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int captionItemType = QGraphicsItem::UserType + 180; // TODO: Magic number warning
|
|
QRectF result;
|
|
for (QList<QGraphicsItem*>::iterator it = children.begin(); it != children.end(); ++it) {
|
|
if ( ((*it)->type() != dimItemType) &&
|
|
((*it)->type() != borderItemType) &&
|
|
((*it)->type() != labelItemType) &&
|
|
((*it)->type() != captionItemType) ) {
|
|
QRectF childRect = mapFromItem(*it,(*it)->boundingRect()).boundingRect();
|
|
result = result.united(childRect);
|
|
//result = result.united((*it)->boundingRect());
|
|
}
|
|
}
|
|
return result;
|
|
}
|
|
|
|
QRectF QGIView::boundingRect() const
|
|
{
|
|
return m_border->rect().adjusted(-2.,-2.,2.,2.); //allow for border line width //TODO: fiddle brect if border off?
|
|
}
|
|
|
|
QGIView* QGIView::getQGIVByName(std::string name)
|
|
{
|
|
QList<QGraphicsItem*> qgItems = scene()->items();
|
|
QList<QGraphicsItem*>::iterator it = qgItems.begin();
|
|
for (; it != qgItems.end(); it++) {
|
|
QGIView* qv = dynamic_cast<QGIView*>((*it));
|
|
if (qv) {
|
|
const char* qvName = qv->getViewName();
|
|
if(name.compare(qvName) == 0) {
|
|
return (qv);
|
|
}
|
|
}
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
/* static */
|
|
Gui::ViewProvider* QGIView::getViewProvider(App::DocumentObject* obj)
|
|
{
|
|
Gui::ViewProvider* result = nullptr;
|
|
if (obj != nullptr) {
|
|
Gui::Document* guiDoc = Gui::Application::Instance->getDocument(obj->getDocument());
|
|
result = guiDoc->getViewProvider(obj);
|
|
}
|
|
return result;
|
|
}
|
|
|
|
MDIViewPage* QGIView::getMDIViewPage(void) const
|
|
{
|
|
MDIViewPage* result = nullptr;
|
|
QGraphicsScene* s = scene();
|
|
QObject* parent = nullptr;
|
|
if (s != nullptr) {
|
|
parent = s->parent();
|
|
}
|
|
if (parent != nullptr) {
|
|
MDIViewPage* mdi = dynamic_cast<MDIViewPage*>(parent);
|
|
if (mdi != nullptr) {
|
|
result = mdi;
|
|
}
|
|
}
|
|
return result;
|
|
}
|
|
|
|
QColor QGIView::getNormalColor()
|
|
{
|
|
Base::Reference<ParameterGrp> hGrp = getParmGroupCol();
|
|
App::Color fcColor;
|
|
fcColor.setPackedValue(hGrp->GetUnsigned("NormalColor", 0x00000000));
|
|
m_colNormal = fcColor.asValue<QColor>();
|
|
return m_colNormal;
|
|
}
|
|
|
|
QColor QGIView::getPreColor()
|
|
{
|
|
Base::Reference<ParameterGrp> hGrp = getParmGroupCol();
|
|
App::Color fcColor;
|
|
fcColor.setPackedValue(hGrp->GetUnsigned("PreSelectColor", 0xFFFF0000));
|
|
m_colPre = fcColor.asValue<QColor>();
|
|
return m_colPre;
|
|
}
|
|
|
|
QColor QGIView::getSelectColor()
|
|
{
|
|
Base::Reference<ParameterGrp> hGrp = getParmGroupCol();
|
|
App::Color fcColor;
|
|
fcColor.setPackedValue(hGrp->GetUnsigned("SelectColor", 0x00FF0000));
|
|
m_colSel = fcColor.asValue<QColor>();
|
|
return m_colSel;
|
|
}
|
|
|
|
Base::Reference<ParameterGrp> QGIView::getParmGroupCol()
|
|
{
|
|
Base::Reference<ParameterGrp> hGrp = App::GetApplication().GetUserParameter()
|
|
.GetGroup("BaseApp")->GetGroup("Preferences")->GetGroup("Mod/TechDraw/Colors");
|
|
return hGrp;
|
|
}
|
|
|
|
QString QGIView::getPrefFont()
|
|
{
|
|
Base::Reference<ParameterGrp> hGrp = App::GetApplication().GetUserParameter().
|
|
GetGroup("BaseApp")->GetGroup("Preferences")->GetGroup("Mod/TechDraw/Labels");
|
|
std::string fontName = hGrp->GetASCII("LabelFont", "osifont");
|
|
return QString::fromStdString(fontName);
|
|
}
|
|
|
|
double QGIView::getPrefFontSize()
|
|
{
|
|
Base::Reference<ParameterGrp> hGrp = App::GetApplication().GetUserParameter().
|
|
GetGroup("BaseApp")->GetGroup("Preferences")->GetGroup("Mod/TechDraw/Labels");
|
|
double fontSize = hGrp->GetFloat("LabelSize", 3.5);
|
|
return Rez::guiX(fontSize);
|
|
}
|
|
|
|
void QGIView::dumpRect(char* text, QRectF r) {
|
|
Base::Console().Message("DUMP - %s - rect: (%.3f,%.3f) x (%.3f,%.3f)\n",text,
|
|
r.left(),r.top(),r.right(),r.bottom());
|
|
}
|
|
|
|
void QGIView::makeMark(double x, double y)
|
|
{
|
|
QGICMark* cmItem = new QGICMark(-1);
|
|
cmItem->setParentItem(this);
|
|
cmItem->setPos(x,y);
|
|
cmItem->setThick(1.0);
|
|
cmItem->setSize(40.0);
|
|
cmItem->setZValue(ZVALUE::VERTEX);
|
|
}
|
|
|
|
void QGIView::makeMark(Base::Vector3d v)
|
|
{
|
|
makeMark(v.x,v.y);
|
|
}
|
|
|
|
#include <Mod/TechDraw/Gui/moc_QGIView.cpp>
|