QtApp.cpp

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#include <QMap>
#include <QDebug>
#include <QFile>
#include "QtApp.h"
#include "PMainWindow.h"
#include "POpenGLWidget.h"
#include "Log.h"
 
#include "SceneGraphFactory.h"
#include "Plugin/PluginManager.h"
 
#include <OrbitCamera.h>
 
namespace dyno {
    QtApp::QtApp(int argc, char **argv)
    {
#ifdef CUDA_BACKEND
        auto status = cudaSetDevice(0);
        if (status != cudaSuccess) {
            fprintf(stderr, "CUDA initialization failed!  Do you have a CUDA-capable GPU installed?");
            exit(0);
        }
        cudaFree(0);
#endif // CUDA_BACKEND
 
        mMainWindow = nullptr;
 
        //To fix the displace scaling issue
        QApplication::setAttribute(Qt::AA_Use96Dpi);
        qputenv("QT_ENABLE_HIGHDPI_SCALING", "0");
 
        mQApp = std::make_shared<QApplication>(argc, argv);
 
        //Set default GUI style
        QFile file(":/dyno/DarkStyle.qss");
        file.open(QIODevice::ReadOnly);
 
        QString style = file.readAll();
        mQApp->setStyleSheet(style);
 
        //To resolver the error "Cannot queue arguments of type of Log::Message" for multi-thread applications
        qRegisterMetaType<Log::Message>("Log::Message");
    }
 
    QtApp::~QtApp()
    {
 
    }
 
    void QtApp::initialize(int width, int height, bool usePlugin)
    {
        //A hack to address the slow launching problem
 
        if (usePlugin)
        {
#ifdef NDEBUG
            PluginManager::instance()->loadPluginByPath(getPluginPath() + "Release");
#else
            PluginManager::instance()->loadPluginByPath(getPluginPath() + "Debug");
#endif // DEBUG
        }
 
        mMainWindow = std::make_shared<PMainWindow>(this);
        mMainWindow->resize(width, height);
        mMainWindow->show();
    }
 
    void QtApp::mainLoop()
    {       
        mQApp->exec();
    }
 
    void QtApp::setSceneGraph(std::shared_ptr<SceneGraph> scn)
    {
        AppBase::setSceneGraph(scn);
        SceneGraphFactory::instance()->pushScene(scn);
    }
 
    void QtApp::setWindowTitle(const std::string& str)
    {
        mMainWindow->setWindowTitle(QString::fromStdString(str));
    }
 
    RenderWindow* QtApp::renderWindow()
    {
        return dynamic_cast<RenderWindow*>(mMainWindow->openglWidget());
    }
 
}