FreeCAD

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/***************************************************************************
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 *   Copyright (c) 2017 Abdullah Tahiri <abdullah.tahiri.yo@gmail.com>     *
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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 <cfloat>
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#endif
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#include <App/Application.h>
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#include <Base/Console.h>
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#include <Gui/Action.h>
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#include <Gui/Application.h>
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#include <Gui/BitmapFactory.h>
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#include <Gui/CommandT.h>
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#include <Gui/Document.h>
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#include <Gui/MainWindow.h>
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#include <Gui/Notifications.h>
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#include <Gui/Selection.h>
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#include <Gui/SelectionObject.h>
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#include "DrawSketchHandler.h"
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#include "ViewProviderSketch.h"
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#include <Mod/Part/App/Geometry.h>
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#include <Mod/Sketcher/App/SketchObject.h>
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#include "Utils.h"
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using namespace std;
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using namespace SketcherGui;
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using namespace Sketcher;
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bool isSketcherVirtualSpaceActive(Gui::Document* doc, bool actsOnSelection)
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{
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    if (doc) {
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        // checks if a Sketch Viewprovider is in Edit and is in no special mode
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        if (doc->getInEdit()
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            && doc->getInEdit()->isDerivedFrom(SketcherGui::ViewProviderSketch::getClassTypeId())) {
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            if (static_cast<SketcherGui::ViewProviderSketch*>(doc->getInEdit())->getSketchMode()
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                == ViewProviderSketch::STATUS_NONE) {
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                if (!actsOnSelection) {
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                    return true;
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                }
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                else if (Gui::Selection().countObjectsOfType(
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                             Sketcher::SketchObject::getClassTypeId())
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                         > 0) {
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                    return true;
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                }
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            }
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        }
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    }
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    return false;
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}
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void ActivateVirtualSpaceHandler(Gui::Document* doc, DrawSketchHandler* handler)
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{
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    std::unique_ptr<DrawSketchHandler> ptr(handler);
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    if (doc) {
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        if (doc->getInEdit()
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            && doc->getInEdit()->isDerivedFrom(SketcherGui::ViewProviderSketch::getClassTypeId())) {
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            SketcherGui::ViewProviderSketch* vp =
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                static_cast<SketcherGui::ViewProviderSketch*>(doc->getInEdit());
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            vp->purgeHandler();
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            vp->activateHandler(std::move(ptr));
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        }
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    }
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}
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// Show/Hide B-spline degree
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DEF_STD_CMD_A(CmdSketcherSwitchVirtualSpace)
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CmdSketcherSwitchVirtualSpace::CmdSketcherSwitchVirtualSpace()
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    : Command("Sketcher_SwitchVirtualSpace")
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{
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    sAppModule = "Sketcher";
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    sGroup = "Sketcher";
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    sMenuText = QT_TR_NOOP("Switch virtual space");
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    sToolTipText =
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        QT_TR_NOOP("Switches the selected constraints or the view to the other virtual space");
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    sWhatsThis = "Sketcher_SwitchVirtualSpace";
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    sStatusTip = sToolTipText;
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    sPixmap = "Sketcher_SwitchVirtualSpace";
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    sAccel = "Z, Z";
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    eType = ForEdit;
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}
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void CmdSketcherSwitchVirtualSpace::activated(int iMsg)
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{
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    Q_UNUSED(iMsg);
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    bool modeChange = true;
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    std::vector<Gui::SelectionObject> selection;
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    if (Gui::Selection().countObjectsOfType(Sketcher::SketchObject::getClassTypeId()) > 0) {
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        // Now we check whether we have a constraint selected or not.
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        selection = getSelection().getSelectionEx();
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        // only one sketch with its subelements are allowed to be selected
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        if (selection.size() != 1
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            || !selection[0].isObjectTypeOf(Sketcher::SketchObject::getClassTypeId())) {
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            Gui::TranslatedUserWarning(getActiveGuiDocument(),
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                                       QObject::tr("Wrong selection"),
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                                       QObject::tr("Select constraint(s) from the sketch."));
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            return;
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        }
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        // get the needed lists and objects
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        const std::vector<std::string>& SubNames = selection[0].getSubNames();
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        if (SubNames.empty()) {
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            Gui::TranslatedUserWarning(getActiveGuiDocument(),
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                                       QObject::tr("Wrong selection"),
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                                       QObject::tr("Select constraint(s) from the sketch."));
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            return;
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        }
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        for (std::vector<std::string>::const_iterator it = SubNames.begin(); it != SubNames.end();
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             ++it) {
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            // see if we have constraints, if we do it is not a mode change, but a toggle.
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            if (it->size() > 10 && it->substr(0, 10) == "Constraint") {
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                modeChange = false;
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            }
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        }
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    }
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    if (modeChange) {
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        Gui::Document* doc = getActiveGuiDocument();
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        SketcherGui::ViewProviderSketch* vp =
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            static_cast<SketcherGui::ViewProviderSketch*>(doc->getInEdit());
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        vp->setIsShownVirtualSpace(!vp->getIsShownVirtualSpace());
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    }
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    // toggle the selected constraint(s)
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    else {
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        // get the needed lists and objects
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        const std::vector<std::string>& SubNames = selection[0].getSubNames();
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        if (SubNames.empty()) {
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            Gui::TranslatedUserWarning(getActiveGuiDocument(),
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                                       QObject::tr("Wrong selection"),
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                                       QObject::tr("Select constraint(s) from the sketch."));
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            return;
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        }
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        SketcherGui::ViewProviderSketch* sketchgui =
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            static_cast<SketcherGui::ViewProviderSketch*>(getActiveGuiDocument()->getInEdit());
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        Sketcher::SketchObject* Obj = sketchgui->getSketchObject();
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        // undo command open
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        openCommand(QT_TRANSLATE_NOOP("Command", "Toggle constraints to the other virtual space"));
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        int successful = SubNames.size();
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        // go through the selected subelements
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        for (std::vector<std::string>::const_iterator it = SubNames.begin(); it != SubNames.end();
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             ++it) {
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            // only handle constraints
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            if (it->size() > 10 && it->substr(0, 10) == "Constraint") {
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                int ConstrId = Sketcher::PropertyConstraintList::getIndexFromConstraintName(*it);
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                Gui::Command::openCommand(
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                    QT_TRANSLATE_NOOP("Command", "Update constraint's virtual space"));
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                try {
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                    Gui::cmdAppObjectArgs(Obj, "toggleVirtualSpace(%d)", ConstrId);
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                }
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                catch (const Base::Exception&) {
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                    successful--;
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                }
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            }
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        }
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        if (successful > 0) {
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            commitCommand();
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        }
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        else {
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            abortCommand();
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        }
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        // recomputer and clear the selection (convenience)
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        tryAutoRecompute(Obj);
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        getSelection().clearSelection();
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    }
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}
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bool CmdSketcherSwitchVirtualSpace::isActive()
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{
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    return isSketcherVirtualSpaceActive(getActiveGuiDocument(), false);
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}
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void CreateSketcherCommandsVirtualSpace()
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{
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    Gui::CommandManager& rcCmdMgr = Gui::Application::Instance->commandManager();
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    rcCmdMgr.addCommand(new CmdSketcherSwitchVirtualSpace());
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}
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