QTfrontend/main.cpp
author unc0rr
Sun, 02 Dec 2012 01:25:11 +0400
changeset 8178 8bd087478b48
parent 8117 329d9756b57c
child 8187 fa725fe25708
permissions -rw-r--r--
Fix QSettings problems: - Reopen file in ReadOnly mode if it was open in ReadWrite mode and is being read. This is needed for stupid QSettings which opens file in ReadWrite mode just to call readAll() on it. - Implement setSize(0)

/*
 * Hedgewars, a free turn based strategy game
 * Copyright (c) 2004-2012 Andrey Korotaev <unC0Rr@gmail.com>
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; version 2 of the License
 *
 * 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 General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
 */

#include "HWApplication.h"

#include <QTranslator>
#include <QLocale>
#include <QMessageBox>
#include <QPlastiqueStyle>
#include <QRegExp>
#include <QMap>
#include <QSettings>
#include <QStringListModel>
#include <QDate>

#include "hwform.h"
#include "hwconsts.h"
#include "newnetclient.h"

#include "DataManager.h"
#include "FileEngine.h"

#include "frontlib.h"

#ifdef _WIN32
#include <Shlobj.h>
#endif
#ifdef __APPLE__
#include "CocoaInitializer.h"
#endif


//Determines the day of easter in year
//from http://aa.usno.navy.mil/faq/docs/easter.php,adapted to C/C++
QDate calculateEaster(long year)
{
    int c, n, k, i, j, l, m, d;

    c = year/100;
    n = year - 19*(year/19);
    k = (c - 17)/25;
    i = c - c/4 - (c - k)/3 + 19*n + 15;
    i = i - 30*(i/30);
    i = i - (i/28)*(1 - (i/28)*(29/(i + 1))*((21 - n)/11));
    j = year + year/4 + i + 2 - c + c/4;
    j = j - 7*(j/7);
    l = i - j;
    m = 3 + (l + 40)/44;
    d = l + 28 - 31*(m / 4);

    return QDate(year, m, d);
}

//Checks season and assigns it to the variable season in "hwconsts.h"
void checkSeason()
{
    QDate date = QDate::currentDate();

    //Christmas?
    if (date.month() == 12 && date.day() >= 24
            && date.day() <= 26)
        season = SEASON_CHRISTMAS;
    //Hedgewars birthday?
    else if (date.month() == 10 && date.day() == 31)
    {
        season = SEASON_HWBDAY;
        years_since_foundation = date.year() - 2004;
    }
    //Easter?
    else if (calculateEaster(date.year()) == date)
        season = SEASON_EASTER;
    else
        season = SEASON_NONE;
}

bool checkForDir(const QString & dir)
{
    QDir tmpdir;
    if (!tmpdir.exists(dir))
        if (!tmpdir.mkdir(dir))
        {
            QMessageBox directoryMsg(QApplication::activeWindow());
            directoryMsg.setIcon(QMessageBox::Warning);
            directoryMsg.setWindowTitle(QMessageBox::tr("Main - Error"));
            directoryMsg.setText(QMessageBox::tr("Cannot create directory %1").arg(dir));
            directoryMsg.setWindowModality(Qt::WindowModal);
            directoryMsg.exec();
            return false;
        }
    return true;
}

int main(int argc, char *argv[])
{
    HWApplication app(argc, argv);

    FileEngineHandler engine(argv[0]);

    flib_init();

    app.setAttribute(Qt::AA_DontShowIconsInMenus,false);

    QStringList arguments = app.arguments();
    QMap<QString, QString> parsedArgs;
    {
        QList<QString>::iterator i = arguments.begin();
        while(i != arguments.end())
        {
            QString arg = *i;

            QRegExp opt("--(\\S+)=(.+)");
            if(opt.exactMatch(arg))
            {
                parsedArgs[opt.cap(1)] = opt.cap(2);
                i = arguments.erase(i);
            }
            else
            {
                ++i;
            }
        }
    }

    if(parsedArgs.contains("data-dir"))
    {
        QFileInfo f(parsedArgs["data-dir"]);
        if(!f.exists())
        {
            qWarning() << "WARNING: Cannot open DATA_PATH=" << f.absoluteFilePath();
        }
        *cDataDir = f.absoluteFilePath();
        custom_data = true;
    }

    if(parsedArgs.contains("config-dir"))
    {
        QFileInfo f(parsedArgs["config-dir"]);
        *cConfigDir = f.absoluteFilePath();
        custom_config = true;
    }

    app.setStyle(new QPlastiqueStyle());

    QDateTime now = QDateTime::currentDateTime();
    srand(now.toTime_t());
    rand();

    Q_INIT_RESOURCE(hedgewars);

    qRegisterMetaType<HWTeam>("HWTeam");

    bindir->cd("bin"); // workaround over NSIS installer

    if(cConfigDir->length() == 0)
        cfgdir->setPath(cfgdir->homePath());
    else
        cfgdir->setPath(*cConfigDir);

    if(cConfigDir->length() == 0)
    {
#ifdef __APPLE__
        checkForDir(cfgdir->absolutePath() + "/Library/Application Support/Hedgewars");
        cfgdir->cd("Library/Application Support/Hedgewars");
#elif defined _WIN32
        char path[1024];
        if(!SHGetFolderPathA(0, CSIDL_PERSONAL, NULL, 0, path))
        {
            cfgdir->cd(path);
            checkForDir(cfgdir->absolutePath() + "/Hedgewars");
            cfgdir->cd("Hedgewars");
        }
        else // couldn't retrieve documents folder? almost impossible, but in case fall back to classic path
        {
            checkForDir(cfgdir->absolutePath() + "/.hedgewars");
            cfgdir->cd(".hedgewars");
        }
#else
        checkForDir(cfgdir->absolutePath() + "/.hedgewars");
        cfgdir->cd(".hedgewars");
#endif
    }

    if (checkForDir(cfgdir->absolutePath()))
    {
        // alternative loading/lookup paths
        checkForDir(cfgdir->absolutePath() + "/Data");

        // config/save paths
        checkForDir(cfgdir->absolutePath() + "/Demos");
        checkForDir(cfgdir->absolutePath() + "/Saves");
        checkForDir(cfgdir->absolutePath() + "/Screenshots");
        checkForDir(cfgdir->absolutePath() + "/Teams");
        checkForDir(cfgdir->absolutePath() + "/Logs");
        checkForDir(cfgdir->absolutePath() + "/Videos");
        checkForDir(cfgdir->absolutePath() + "/VideoTemp");
    }

    datadir->cd(bindir->absolutePath());
    datadir->cd(*cDataDir);
    if(!datadir->cd("hedgewars/Data"))
    {
        QMessageBox missingMsg(QApplication::activeWindow());
        missingMsg.setIcon(QMessageBox::Critical);
        missingMsg.setWindowTitle(QMessageBox::tr("Main - Error"));
        missingMsg.setText(QMessageBox::tr("Failed to open data directory:\n%1\n\n"
                                           "Please check your installation!").
                                            arg(datadir->absolutePath()+"/hedgewars/Data"));
        missingMsg.setWindowModality(Qt::WindowModal);
        missingMsg.exec();
        return 1;
    }

    // setup PhysFS
    engine.mount(datadir->absolutePath());
    engine.mount(cfgdir->absolutePath() + "/Data");
    engine.mount(cfgdir->absolutePath());
    engine.setWriteDir(cfgdir->absolutePath());
    engine.mountPacks();

    QTranslator Translator;
    {
        QSettings settings("physfs://hedgewars.ini", QSettings::IniFormat);
        QString cc = settings.value("misc/locale", QString()).toString();
        if(cc.isEmpty())
            cc = QLocale::system().name();

        // load locale file into translator
        if(!Translator.load(QString("physfs://Locale/hedgewars_%1").arg(cc)))
            qWarning("Failed to install translation");
        app.installTranslator(&Translator);
    }

#ifdef _WIN32
    // Win32 registry setup (used for xfire detection etc. - don't set it if we're running in "portable" mode with a custom config dir)
    if(!custom_config)
    {
        QSettings registry_hklm("HKEY_LOCAL_MACHINE", QSettings::NativeFormat);
        registry_hklm.setValue("Software/Hedgewars/Frontend", bindir->absolutePath().replace("/", "\\") + "\\hedgewars.exe");
        registry_hklm.setValue("Software/Hedgewars/Path", bindir->absolutePath().replace("/", "\\"));
    }
#endif
#ifdef __APPLE__
    // this creates the autoreleasepool that prevents leaking
    CocoaInitializer initializer;
#endif

    QString style = "";
    QString fname;

    checkSeason();
    //For each season, there is an extra stylesheet
    //Todo: change background for easter and birthday
    //(simply replace res/BackgroundBirthday.png and res/BackgroundEaster.png
    //with an appropriate background
    switch (season)
    {
        case SEASON_CHRISTMAS :
            fname = "christmas.css";
            break;
        case SEASON_EASTER :
            fname = "easter.css";
            break;
        case SEASON_HWBDAY :
            fname = "birthday.css";
            break;
        default :
            fname = "qt.css";
    }

    // load external stylesheet if there is any
    QFile extFile("physfs://css/" + fname);

    QFile resFile(":/res/css/" + fname);

    QFile & file = (extFile.exists() ? extFile : resFile);

    if (file.open(QIODevice::ReadOnly | QIODevice::Text))
        style.append(file.readAll());

    app.form = new HWForm(NULL, style);
    app.form->show();
    int r = app.exec();

    flib_quit();

    return r;
}