90 lines
2.8 KiB
C++
90 lines
2.8 KiB
C++
/*
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* Copyright (C) 2015 Open Source Robotics Foundation
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*
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*/
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#include <sstream>
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#include "gazebo/rendering/RenderEvents.hh"
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#include "gazebo/gui/LayersWidgetPrivate.hh"
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#include "gazebo/gui/LayersWidget.hh"
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using namespace gazebo;
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using namespace gui;
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/////////////////////////////////////////////////
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LayersWidget::LayersWidget(QWidget *_parent)
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: QWidget(_parent), dataPtr(new LayersWidgetPrivate)
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{
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this->setObjectName("layersList");
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QVBoxLayout *mainLayout = new QVBoxLayout;
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this->dataPtr->layerList = new QListWidget(this);
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mainLayout->addWidget(this->dataPtr->layerList);
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this->setLayout(mainLayout);
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this->layout()->setContentsMargins(0, 0, 0, 0);
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connect(this->dataPtr->layerList, SIGNAL(itemChanged(QListWidgetItem *)),
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this, SLOT(OnLayerSelected(QListWidgetItem *)));
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this->dataPtr->connections.push_back(
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rendering::Events::ConnectNewLayer(
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boost::bind(&LayersWidget::OnNewLayer, this, _1)));
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}
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/////////////////////////////////////////////////
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LayersWidget::~LayersWidget()
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{
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delete this->dataPtr;
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this->dataPtr = NULL;
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}
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/////////////////////////////////////////////////
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void LayersWidget::OnLayerSelected(QListWidgetItem *_layer)
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{
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rendering::Events::toggleLayer(_layer->data(Qt::UserRole).toInt());
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}
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/////////////////////////////////////////////////
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void LayersWidget::OnNewLayer(const int32_t _layer)
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{
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std::ostringstream stream;
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stream << "Layer " << _layer;
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auto found = this->dataPtr->layerList->findItems(stream.str().c_str(),
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Qt::MatchExactly);
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// Only add layers that do not already exist.
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if (found.empty())
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{
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// Disconnect temporarily to prevent bad signals
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disconnect(this->dataPtr->layerList, SIGNAL(itemChanged(QListWidgetItem *)),
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this, SLOT(OnLayerSelected(QListWidgetItem *)));
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QListWidgetItem *item = new QListWidgetItem(stream.str().c_str(),
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this->dataPtr->layerList);
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item->setCheckState(Qt::Checked);
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item->setData(Qt::UserRole, QVariant(_layer));
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item->setFlags(item->flags() | Qt::ItemIsUserCheckable);
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this->dataPtr->layerList->addItem(item);
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// Reconnect.
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connect(this->dataPtr->layerList, SIGNAL(itemChanged(QListWidgetItem *)),
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this, SLOT(OnLayerSelected(QListWidgetItem *)));
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}
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}
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