ppovb5fc7/gazebo/examples/plugins/gui_overlay_plugin_spawn/GUIExampleSpawnWidget.cc

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2019-03-25 11:01:43 +08:00
/*
* Copyright (C) 2014 Open Source Robotics Foundation
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*/
#include <sstream>
#include <gazebo/msgs/msgs.hh>
#include "GUIExampleSpawnWidget.hh"
using namespace gazebo;
// Register this plugin with the simulator
GZ_REGISTER_GUI_PLUGIN(GUIExampleSpawnWidget)
/////////////////////////////////////////////////
GUIExampleSpawnWidget::GUIExampleSpawnWidget()
: GUIPlugin()
{
this->counter = 0;
// Set the frame background and foreground colors
this->setStyleSheet(
"QFrame { background-color : rgba(100, 100, 100, 255); color : white; }");
// Create the main layout
QHBoxLayout *mainLayout = new QHBoxLayout;
// Create the frame to hold all the widgets
QFrame *mainFrame = new QFrame();
// Create the layout that sits inside the frame
QVBoxLayout *frameLayout = new QVBoxLayout();
// Create a push button, and connect it to the OnButton function
QPushButton *button = new QPushButton(tr("Spawn Sphere"));
connect(button, SIGNAL(clicked()), this, SLOT(OnButton()));
// Add the button to the frame's layout
frameLayout->addWidget(button);
// Add frameLayout to the frame
mainFrame->setLayout(frameLayout);
// Add the frame to the main layout
mainLayout->addWidget(mainFrame);
// Remove margins to reduce space
frameLayout->setContentsMargins(0, 0, 0, 0);
mainLayout->setContentsMargins(0, 0, 0, 0);
this->setLayout(mainLayout);
// Position and resize this widget
this->move(10, 10);
this->resize(120, 30);
// Create a node for transportation
this->node = transport::NodePtr(new transport::Node());
this->node->Init();
this->factoryPub = this->node->Advertise<msgs::Factory>("~/factory");
}
/////////////////////////////////////////////////
GUIExampleSpawnWidget::~GUIExampleSpawnWidget()
{
}
/////////////////////////////////////////////////
void GUIExampleSpawnWidget::OnButton()
{
msgs::Model model;
model.set_name("plugin_unit_sphere_" + std::to_string(this->counter++));
msgs::Set(model.mutable_pose(), ignition::math::Pose3d(0, 0, 1.5, 0, 0, 0));
const double mass = 1.0;
const double radius = 0.5;
msgs::AddSphereLink(model, mass, radius);
std::ostringstream newModelStr;
newModelStr << "<sdf version='" << SDF_VERSION << "'>"
<< msgs::ModelToSDF(model)->ToString("")
<< "</sdf>";
// Send the model to the gazebo server
msgs::Factory msg;
msg.set_sdf(newModelStr.str());
this->factoryPub->Publish(msg);
}