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guiapp.cpp
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guiapp.cpp
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/** @file guiapp.cpp Application with GUI support.
*
* @authors Copyright © 2013-2017 Jaakko Keränen <jaakko.keranen@iki.fi>
*
* @par License
* LGPL: http://www.gnu.org/licenses/lgpl.html
*
* <small>This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation; either version 3 of the License, or (at your
* option) any later version. This program 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 Lesser
* General Public License for more details. You should have received a copy of
* the GNU Lesser General Public License along with this program; if not, see:
* http://www.gnu.org/licenses</small>
*/
#include "de/GuiApp"
#include "de/graphics/opengl.h"
#include "de/ImageFile"
#include <de/FileSystem>
#include <de/Log>
#include <de/NativePath>
#include <QSurfaceFormat>
#ifdef DENG2_QT_5_0_OR_NEWER
# include <QStandardPaths>
#else
# include <QDesktopServices>
#endif
namespace de {
DENG2_PIMPL(GuiApp)
{
GuiLoop loop;
Impl(Public *i) : Base(i)
{
loop.audienceForIteration() += self();
}
};
void GuiApp::setDefaultOpenGLFormat() // static
{
QSurfaceFormat fmt;
fmt.setRenderableType(QSurfaceFormat::OpenGL); // TODO: option for GLES
fmt.setProfile(QSurfaceFormat::CoreProfile);
fmt.setVersion(3, 3);
fmt.setDepthBufferSize(24);
fmt.setStencilBufferSize(8);
fmt.setSwapBehavior(QSurfaceFormat::DoubleBuffer);
#ifdef DENG2_DEBUG
fmt.setOption(QSurfaceFormat::DebugContext, true);
#endif
QSurfaceFormat::setDefaultFormat(fmt);
}
GuiApp::GuiApp(int &argc, char **argv)
: QApplication(argc, argv),
App(applicationFilePath(), arguments()),
d(new Impl(this))
{
static ImageFile::Interpreter intrpImageFile;
fileSystem().addInterpreter(intrpImageFile);
// Core packages for GUI functionality.
addInitPackage("net.dengine.stdlib.gui");
}
void GuiApp::setMetadata(String const &orgName, String const &orgDomain,
String const &appName, String const &appVersion)
{
setName(appName);
// Qt metadata.
setOrganizationName (orgName);
setOrganizationDomain(orgDomain);
setApplicationName (appName);
setApplicationVersion(appVersion);
}
bool GuiApp::notify(QObject *receiver, QEvent *event)
{
try
{
return QApplication::notify(receiver, event);
}
catch (std::exception const &error)
{
handleUncaughtException(error.what());
}
catch (...)
{
handleUncaughtException("de::GuiApp caught exception of unknown type.");
}
return false;
}
void GuiApp::notifyDisplayModeChanged()
{
emit displayModeChanged();
}
int GuiApp::execLoop()
{
LOGDEV_NOTE("Starting GuiApp event loop...");
d->loop.start();
int code = QApplication::exec();
LOGDEV_NOTE("GuiApp event loop exited with code %i") << code;
return code;
}
void GuiApp::stopLoop(int code)
{
LOGDEV_MSG("Stopping GuiApp event loop");
d->loop.stop();
return QApplication::exit(code);
}
GuiLoop &GuiApp::loop()
{
return d->loop;
}
void GuiApp::loopIteration()
{
// Update the clock time. de::App listens to this clock and will inform
// subsystems in the order they've been added.
Time::updateCurrentHighPerformanceTime();
Clock::get().setTime(Time::currentHighPerformanceTime());
}
NativePath GuiApp::appDataPath() const
{
#ifdef DENG2_QT_5_0_OR_NEWER
return QStandardPaths::writableLocation(QStandardPaths::DataLocation);
#else
return QDesktopServices::storageLocation(QDesktopServices::DataLocation);
#endif
}
} // namespace de