/****************************************************************************+
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**+
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** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).+
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** All rights reserved.+
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** Contact: Nokia Corporation (qt-info@nokia.com)+
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**+
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** This file is part of the Windows main function of the Qt Toolkit.+
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**+
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** $QT_BEGIN_LICENSE:BSD$+
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** You may use this file under the terms of the BSD license as follows:+
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**+
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** "Redistribution and use in source and binary forms, with or without+
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** modification, are permitted provided that the following conditions are+
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** met:+
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**   * Redistributions of source code must retain the above copyright+
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**     notice, this list of conditions and the following disclaimer.+
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**   * Redistributions in binary form must reproduce the above copyright+
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**     notice, this list of conditions and the following disclaimer in+
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**     the documentation and/or other materials provided with the+
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**     distribution.+
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**   * Neither the name of Nokia Corporation and its Subsidiary(-ies) nor+
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**     the names of its contributors may be used to endorse or promote+
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**     products derived from this software without specific prior written+
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**     permission.+
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**+
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** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS+
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** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT+
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** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR+
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** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT+
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** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,+
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** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT+
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** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,+
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** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY+
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** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT+
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** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE+
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** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."+
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** $QT_END_LICENSE$+
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**+
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****************************************************************************/+
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+
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#include "qt_windows.h"+
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#include "qbytearray.h"+
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#include "qstring.h"+
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#include "qvector.h"+
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+
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/*+
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  This file contains the code in the qtmain library for Windows.+
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  qtmain contains the Windows startup code and is required for+
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  linking to the Qt DLL.+
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+
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  When a Windows application starts, the WinMain function is+
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  invoked. WinMain calls qWinMain in the Qt DLL/library, which+
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  initializes Qt.+
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*/+
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+
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QT_BEGIN_NAMESPACE+
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+
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#if defined(Q_OS_WINCE)+
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extern void __cdecl qWinMain(HINSTANCE, HINSTANCE, LPSTR, int, int &, QVector<char *> &);+
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#else+
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extern void qWinMain(HINSTANCE, HINSTANCE, LPSTR, int, int &, QVector<char *> &);+
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#endif+
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+
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QT_END_NAMESPACE+
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+
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QT_USE_NAMESPACE+
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+
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+
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#if defined(QT_NEEDS_QMAIN)+
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int qMain(int, char **);+
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#define main qMain+
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#else+
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#ifdef Q_OS_WINCE+
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extern "C" int __cdecl main(int, char **);+
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#else+
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extern "C" int main(int, char **);+
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#endif+
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#endif+
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+
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/*+
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  WinMain() - Initializes Windows and calls user's startup function main().+
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  NOTE: WinMain() won't be called if the application was linked as a "console"+
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  application.+
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*/+
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+
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#ifdef Q_OS_WINCE+
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int WINAPI WinMain(HINSTANCE instance, HINSTANCE prevInstance, LPWSTR /*wCmdParam*/, int cmdShow)+
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#else+
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extern "C"+
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int APIENTRY WinMain(HINSTANCE instance, HINSTANCE prevInstance, LPSTR /*cmdParamarg*/, int cmdShow)+
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#endif+
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{+
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    QByteArray cmdParam = QString::fromWCharArray(GetCommandLine()).toLocal8Bit();+
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+
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#if defined(Q_OS_WINCE)+
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    wchar_t appName[MAX_PATH];+
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    GetModuleFileName(0, appName, MAX_PATH);+
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    cmdParam.prepend(QString(QLatin1String("\"%1\" ")).arg(QString::fromWCharArray(appName)).toLocal8Bit());+
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#endif+
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+
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    int argc = 0;+
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    QVector<char *> argv(8);+
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    qWinMain(instance, prevInstance, cmdParam.data(), cmdShow, argc, argv);+
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+
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#if defined(Q_OS_WINCE)+
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    wchar_t uniqueAppID[MAX_PATH];+
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    GetModuleFileName(0, uniqueAppID, MAX_PATH);+
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    QString uid = QString::fromWCharArray(uniqueAppID).toLower().replace(QLatin1String("\\"), QLatin1String("_"));+
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+
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    // If there exists an other instance of this application+
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    // it will be the owner of a mutex with the unique ID.+
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    HANDLE mutex = CreateMutex(NULL, TRUE, (LPCWSTR)uid.utf16());+
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    if (mutex && ERROR_ALREADY_EXISTS == GetLastError()) {+
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        CloseHandle(mutex);+
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+
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        // The app is already running, so we use the unique+
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        // ID to create a unique messageNo, which is used+
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        // as the registered class name for the windows+
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        // created. Set the first instance's window to the+
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        // foreground, else just terminate.+
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        // Use bitwise 0x01 OR to reactivate window state if+
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        // it was hidden+
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        UINT msgNo = RegisterWindowMessage((LPCWSTR)uid.utf16());+
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        HWND aHwnd = FindWindow((LPCWSTR)QString::number(msgNo).utf16(), 0);+
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        if (aHwnd)+
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            SetForegroundWindow((HWND)(((ULONG)aHwnd) | 0x01));+
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        return 0;+
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    }+
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#endif // Q_OS_WINCE+
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+
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    int result = main(argc, argv.data());+
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#if defined(Q_OS_WINCE)+
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    CloseHandle(mutex);+
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#endif+
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    return result;+
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}+
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