pxmlw6n2f/Gazebo_Distributed_MPI/gazebo/gui/SplashScreen.cc

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2019-04-18 10:27:54 +08:00
/*
* Copyright (C) 2015 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 "gazebo/rendering/UserCamera.hh"
#include "gazebo/rendering/Scene.hh"
#include "gazebo/gui/GuiIface.hh"
#include "gazebo/gui/SplashScreen.hh"
#include "gazebo/gui/SplashScreenPrivate.hh"
using namespace gazebo;
using namespace gui;
/////////////////////////////////////////////////
SplashScreen::SplashScreen()
: dataPtr(new SplashScreenPrivate)
{
this->setObjectName("SplashScreen");
QPixmap pixmap(":/images/splash.svg");
std::string versionText;
versionText = "Version " + std::string(GAZEBO_VERSION);
QTextEdit *versionEdit = new QTextEdit(tr(versionText.c_str()));
versionEdit->setAcceptRichText(true);
versionEdit->setContentsMargins(0, 0, 0, 0);
versionEdit->setFrameStyle(QFrame::NoFrame);
versionEdit->setAlignment(Qt::AlignBottom | Qt::AlignRight);
versionEdit->setObjectName("splashVersionTextEdit");
versionEdit->setFixedHeight(20);
QHBoxLayout *versionLayout = new QHBoxLayout();
versionLayout->addWidget(versionEdit);
QVBoxLayout *textLayout = new QVBoxLayout();
textLayout->addSpacerItem(new QSpacerItem(1, pixmap.size().height(),
QSizePolicy::Expanding, QSizePolicy::MinimumExpanding));
textLayout->addLayout(versionLayout);
this->dataPtr->splashScreen = new QSplashScreen(pixmap);
this->dataPtr->splashScreen->setObjectName("splashScreenWidget");
this->dataPtr->splashScreen->setMask(pixmap.mask());
this->dataPtr->splashScreen->setWindowFlags(
this->dataPtr->splashScreen->windowFlags() | Qt::WindowStaysOnTopHint);
this->dataPtr->splashScreen->setLayout(textLayout);
this->dataPtr->splashScreen->setFixedSize(pixmap.size());
this->dataPtr->splashScreen->show();
this->dataPtr->splashScreen->repaint();
QTimer::singleShot(2000, this, SLOT(Update()));
}
/////////////////////////////////////////////////
SplashScreen::~SplashScreen()
{
delete this->dataPtr->splashScreen;
this->dataPtr->splashScreen = NULL;
delete this->dataPtr;
this->dataPtr = NULL;
}
/////////////////////////////////////////////////
void SplashScreen::Update()
{
rendering::UserCameraPtr cam = get_active_camera();
if (cam && cam->GetScene() && cam->GetScene()->Initialized())
{
this->dataPtr->splashScreen->hide();
return;
}
QTimer::singleShot(100, this, SLOT(Update()));
}
/////////////////////////////////////////////////
bool SplashScreen::Visible() const
{
return this->dataPtr->splashScreen->isVisible();
}