FreeCAD

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/***************************************************************************
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 *   Copyright (c) 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 <QPainterPath>
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# include <QPainterPathStroker>
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#endif
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#include <App/Application.h>
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#include <App/Material.h>
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#include <Base/Console.h>
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#include <Base/Parameter.h>
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#include <Gui/Control.h>
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#include <Mod/TechDraw/App/DrawUtil.h>
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#include "QGIEdge.h"
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#include "PreferencesGui.h"
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#include "TaskLineDecor.h"
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#include "QGIView.h"
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using namespace TechDrawGui;
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using namespace TechDraw;
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QGIEdge::QGIEdge(int index) :
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    projIndex(index),
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    isCosmetic(false),
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    isHiddenEdge(false),
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    isSmoothEdge(false)
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{
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    setFlag(QGraphicsItem::ItemIsFocusable, true);      // to get key press events
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    setFlag(QGraphicsItem::ItemIsSelectable, true);
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    m_width = 1.0;
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    setCosmetic(isCosmetic);
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    setFill(Qt::NoBrush);
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}
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// NOTE this refers to Qt cosmetic lines (a line with minimum width),
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// not FreeCAD cosmetic lines
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void QGIEdge::setCosmetic(bool state)
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{
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//    Base::Console().Message("QGIE::setCosmetic(%d)\n", state);
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    isCosmetic = state;
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    if (state) {
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        setWidth(0.0);
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    }
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}
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void QGIEdge::setHiddenEdge(bool b) {
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    isHiddenEdge = b;
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    if (b) {
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        m_styleCurrent = getHiddenStyle();
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    } else {
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        m_styleCurrent = Qt::SolidLine;
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    }
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}
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void QGIEdge::setPrettyNormal() {
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//    Base::Console().Message("QGIE::setPrettyNormal()\n");
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    if (isHiddenEdge) {
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        m_colCurrent = getHiddenColor();
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    } else {
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        m_colCurrent = getNormalColor();
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    }
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    //should call QGIPP::setPrettyNormal()?
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}
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QColor QGIEdge::getHiddenColor()
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{
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    App::Color fcColor = App::Color((uint32_t) Preferences::getPreferenceGroup("Colors")->GetUnsigned("HiddenColor", 0x000000FF));
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    return PreferencesGui::getAccessibleQColor(fcColor.asValue<QColor>());
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}
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Qt::PenStyle QGIEdge::getHiddenStyle()
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{
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    //Qt::PenStyle - NoPen, Solid, Dashed, ...
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    //Preferences::General - Solid, Dashed
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    // Dashed lines should use ISO Line #2 instead of Qt::DashedLine
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    Qt::PenStyle hidStyle = static_cast<Qt::PenStyle> (Preferences::getPreferenceGroup("General")->GetInt("HiddenLine", 0) + 1);
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    return hidStyle;
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}
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 double QGIEdge::getEdgeFuzz() const
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{
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    return PreferencesGui::edgeFuzz();
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}
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QRectF QGIEdge::boundingRect() const
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{
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    return shape().controlPointRect();
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}
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QPainterPath QGIEdge::shape() const
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{
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    QPainterPath outline;
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    QPainterPathStroker stroker;
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    stroker.setWidth(getEdgeFuzz());
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    outline = stroker.createStroke(path());
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    return outline;
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}
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void QGIEdge::mouseDoubleClickEvent(QGraphicsSceneMouseEvent *event)
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{
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    Q_UNUSED(event)
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    QGIView *parent = dynamic_cast<QGIView *>(parentItem());
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    if (parent && parent->getViewObject() && parent->getViewObject()->isDerivedFrom(TechDraw::DrawViewPart::getClassTypeId())) {
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        TechDraw::DrawViewPart *baseFeat = static_cast<TechDraw::DrawViewPart *>(parent->getViewObject());
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        std::vector<std::string> edgeName(1, DrawUtil::makeGeomName("Edge", getProjIndex()));
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        Gui::Control().showDialog(new TaskDlgLineDecor(baseFeat, edgeName));
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    }
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}
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void QGIEdge::setLinePen(QPen linePen)
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{
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    m_pen = linePen;
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}
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