Files
create/src/Gui/DAGView/DAGView.cpp
2020-06-15 19:38:39 +02:00

135 lines
4.4 KiB
C++

/***************************************************************************
* Copyright (c) 2015 Thomas Anderson <blobfish[at]gmx.com> *
* *
* This file is part of the FreeCAD CAx development system. *
* *
* This library is free software; you can redistribute it and/or *
* modify it under the terms of the GNU Library General Public *
* License as published by the Free Software Foundation; either *
* version 2 of the License, or (at your option) any later version. *
* *
* This library is distributed in the hope that it will be useful, *
* but WITHOUT ANY WARRANTY; without even the implied warranty of *
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
* GNU Library General Public License for more details. *
* *
* You should have received a copy of the GNU Library General Public *
* License along with this library; see the file COPYING.LIB. If not, *
* write to the Free Software Foundation, Inc., 59 Temple Place, *
* Suite 330, Boston, MA 02111-1307, USA *
* *
***************************************************************************/
#include "PreCompiled.h"
#ifndef _PreComp_
#include <boost_bind_bind.hpp>
#include <QAbstractEventDispatcher>
#include <QVBoxLayout>
#endif
#include <memory>
#include <sstream>
#include <Base/Console.h>
#include <App/Document.h>
#include <Gui/Document.h>
#include <Gui/Application.h>
#include "DAGModel.h"
#include "DAGView.h"
using namespace Gui;
using namespace DAG;
namespace bp = boost::placeholders;
DAG::DockWindow::DockWindow(Gui::Document* gDocumentIn, QWidget* parent): Gui::DockWindow(gDocumentIn, parent)
{
dagView = new View(this);
QVBoxLayout *layout = new QVBoxLayout();
layout->addWidget(dagView);
this->setLayout(layout);
}
View::View(QWidget* parentIn): QGraphicsView(parentIn)
{
this->setRenderHint(QPainter::Antialiasing, true);
this->setRenderHint(QPainter::TextAntialiasing, true);
Application::Instance->signalActiveDocument.connect(boost::bind(&View::slotActiveDocument, this, bp::_1));
Application::Instance->signalDeleteDocument.connect(boost::bind(&View::slotDeleteDocument, this, bp::_1));
//just update the dagview when the gui process is idle.
connect(QAbstractEventDispatcher::instance(), SIGNAL(awake()), this, SLOT(awakeSlot()));
}
View::~View()
{
Application::Instance->signalActiveDocument.disconnect(boost::bind(&View::slotActiveDocument, this, bp::_1));
Application::Instance->signalDeleteDocument.disconnect(boost::bind(&View::slotDeleteDocument, this, bp::_1));
}
void View::slotActiveDocument(const Document &documentIn)
{
if (Gui::Selection().hasSelection())
return;
ModelMap::const_iterator it = modelMap.find(&documentIn);
if (it == modelMap.end())
{
ModelMap::value_type entry(std::make_pair(&documentIn, std::make_shared<Model>(this, documentIn)));
modelMap.insert(entry);
this->setScene(entry.second.get());
}
else
{
this->setScene(it->second.get());
}
}
void View::slotDeleteDocument(const Document &documentIn)
{
ModelMap::iterator it = modelMap.find(&documentIn);
if (it != modelMap.end())
modelMap.erase(it);
}
void View::awakeSlot()
{
Model *model = dynamic_cast<Model *>(this->scene());
if (model)
model->awake();
}
void View::onSelectionChanged(const SelectionChanges& msg)
{
switch(msg.Type) {
case SelectionChanges::AddSelection:
case SelectionChanges::RmvSelection:
case SelectionChanges::SetSelection:
if (!msg.pDocName || !msg.pDocName[0])
return;
break;
case SelectionChanges::ClrSelection:
if (!msg.pDocName || !msg.pDocName[0]) {
for (auto &v : modelMap) {
v.second->selectionChanged(msg);
}
return;
}
break;
default:
return;
}
auto doc = Gui::Application::Instance->getDocument(msg.pDocName);
if (!doc) return;
auto &model = modelMap[doc];
if(!model)
model = std::make_shared<Model>(this, *doc);
this->setScene(model.get());
model->selectionChanged(msg);
}
#include "moc_DAGView.cpp"