127 lines
4.2 KiB
C++
127 lines
4.2 KiB
C++
// SPDX-License-Identifier: LGPL-2.1-or-later
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/***************************************************************************
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* Copyright (c) 2015 Thomas Anderson <blobfish[at]gmx.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 <QAbstractEventDispatcher>
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#include <QVBoxLayout>
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#include <memory>
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#include <Gui/Application.h>
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#include <Gui/Document.h>
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#include "DAGView.h"
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#include "DAGModel.h"
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using namespace Gui;
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using namespace DAG;
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namespace sp = std::placeholders;
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DAG::DockWindow::DockWindow(Gui::Document* gDocumentIn, QWidget* parent): Gui::DockWindow(gDocumentIn, parent)
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{
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dagView = new View(this);
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auto layout = new QVBoxLayout();
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layout->addWidget(dagView);
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this->setLayout(layout);
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}
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View::View(QWidget* parentIn): QGraphicsView(parentIn)
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{
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this->setRenderHint(QPainter::Antialiasing, true);
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this->setRenderHint(QPainter::TextAntialiasing, true);
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//NOLINTBEGIN
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conActive = Application::Instance->signalActiveDocument.connect(std::bind(&View::slotActiveDocument, this, sp::_1));
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conDelete = Application::Instance->signalDeleteDocument.connect(std::bind(&View::slotDeleteDocument, this, sp::_1));
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//NOLINTEND
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//just update the dagview when the gui process is idle.
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connect(QAbstractEventDispatcher::instance(), &QAbstractEventDispatcher::awake,
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this, &View::awakeSlot);
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}
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View::~View() = default;
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void View::slotActiveDocument(const Document &documentIn)
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{
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if (Gui::Selection().hasSelection())
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return;
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ModelMap::const_iterator it = modelMap.find(&documentIn);
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if (it == modelMap.end())
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{
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ModelMap::value_type entry(std::make_pair(&documentIn, std::make_shared<Model>(this, documentIn)));
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modelMap.insert(entry);
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this->setScene(entry.second.get());
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}
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else
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{
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this->setScene(it->second.get());
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}
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}
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void View::slotDeleteDocument(const Document &documentIn)
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{
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ModelMap::const_iterator it = modelMap.find(&documentIn);
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if (it != modelMap.end())
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modelMap.erase(it);
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}
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void View::awakeSlot()
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{
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Model *model = dynamic_cast<Model *>(this->scene());
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if (model)
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model->awake();
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}
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void View::onSelectionChanged(const SelectionChanges& msg)
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{
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switch(msg.Type) {
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case SelectionChanges::AddSelection:
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case SelectionChanges::RmvSelection:
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case SelectionChanges::SetSelection:
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if (!msg.pDocName || !msg.pDocName[0])
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return;
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break;
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case SelectionChanges::ClrSelection:
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if (!msg.pDocName || !msg.pDocName[0]) {
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for (auto &v : modelMap) {
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v.second->selectionChanged(msg);
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}
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return;
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}
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break;
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default:
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return;
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}
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auto doc = Gui::Application::Instance->getDocument(msg.pDocName);
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if (!doc)
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return;
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auto &model = modelMap[doc];
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if(!model)
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model = std::make_shared<Model>(this, *doc);
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this->setScene(model.get());
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model->selectionChanged(msg);
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}
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#include "moc_DAGView.cpp"
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