/*

Copyright (C) 2012 Spatial Transcriptomics AB,

read LICENSE for licensing terms.

Contact : Jose Fernandez Navarro <jose.fernandez.navarro@scilifelab.se>

*/

#include <QDebug>

#include <QApplication>

#include <QMessageBox>

#include <QDir>

#include <QTranslator>

#include <QPixmap>

#include <QSplashScreen>

#include <QDesktopWidget>

#include <QFontDatabase>

#include <iostream>

#include "utils/Utils.h"

#include "stVi.h"

#include "options_cmake.h"

namespace {

//application flags must be set before instantiating QApplication

void setApplicationFlags()

{

#ifdef Q_OS_MAC

QApplication::setAttribute(Qt::AA_MacPluginApplication, false);

QApplication::setAttribute(Qt::AA_DontUseNativeMenuBar, true);

//NOTE this is actually pretty important (be false)

QApplication::setAttribute(Qt::AA_NativeWindows, false);

//osx does not show icons on menus

QApplication::setAttribute(Qt::AA_DontShowIconsInMenus, true);

#endif

//unhandled mouse events will not be translated

QApplication::setAttribute(Qt::AA_SynthesizeTouchForUnhandledMouseEvents, false);

QApplication::setAttribute(Qt::AA_SynthesizeMouseForUnhandledTouchEvents, false);

//allows to create high-dpi pixmaps

QApplication::setAttribute(Qt::AA_UseHighDpiPixmaps, false);

//consistent font rendering

QApplication::setAttribute(Qt::AA_Use96Dpi, false);

//force usages of desktop opengl

QApplication::setAttribute(Qt::AA_UseDesktopOpenGL, true);

}

}

int main(int argc, char** argv)

{

#ifdef Q_OS_LINUX

// If this environment variable is not set we get (when having OpenGL resource leaks)

// "Segmentation fault (core dumped)" when we exit

// the application (running Ubuntu 14.04, Qt 5.3.1 with an nVidia graphics card)

// The idea for this workaround came from here

// http://www.opengl.org/discussion_boards/archive/index.php/t-173485.html

setenv("__GL_NO_DSO_FINALIZER", "1", 1);

#endif

setApplicationFlags();

QApplication app(argc, argv);

app.setApplicationName(app.translate("main", "ST Viewer"));

app.setOrganizationName("Spatial Transcriptomics AB");

app.setOrganizationDomain("spatialtranscriptomics.com");

app.setApplicationVersion(Globals::VERSION);

qDebug() << "Application started successfully.";

// create and show a splash sreen

//TODO replace image for a bigger one with text and info about the group

QPixmap pixmap(QStringLiteral(":/images/st.png"));

QSplashScreen splash(app.desktop()->screen(), pixmap, Qt::WindowStaysOnTopHint);

splash.show();

//set library and plugins paths

// we need to tell the application where to look for plugins and resources

#if defined Q_OS_WIN

app.addLibraryPath(QDir(app.applicationDirPath()).canonicalPath()

+ QDir::separator() + "plugins");

#elif defined Q_OS_MAC

QDir dir(QApplication::applicationDirPath());

dir.cdUp();

dir.cd("PlugIns");

app.addLibraryPath(dir.path());

#else

QDir dir(QApplication::applicationDirPath());

dir.cdUp();

dir.cd("plugins");

app.addLibraryPath(dir.path());

#endif

//install translation file

bool initialized = true;

QTranslator trans;

initialized &= trans.load(":translations/locale_en_us.qm");

initialized &= app.installTranslator(&trans);

if (!initialized) {

qDebug() << "[Main] Error: Unable to install the translations!";

QMessageBox::critical(app.desktop()->screen(), "Error",

app.tr("Unable to install the translations"));

return EXIT_FAILURE;

}

//install open-sans-light font

QFontDatabase::addApplicationFont(QStringLiteral(":fonts/OpenSans-Light.ttf"));

//create mainWindow

stVi mainWindow;

app.setActiveWindow(&mainWindow);

//check for min requirements

if (!mainWindow.checkSystemRequirements()) {

qDebug() << "[Main] Error: Minimum requirements test failed!";

// close splash screen

splash.finish(&mainWindow);

return EXIT_FAILURE;

}

// close splash screen

splash.finish(&mainWindow);

//init graphic components

mainWindow.init();

// show mainwindow.

mainWindow.show();

// launch the app

return app.exec();

}