/**************************************************************************** | |
** | |
** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies). | |
** All rights reserved. | |
** Contact: Nokia Corporation (qt-info@nokia.com) | |
** | |
** This file is part of the Windows main function of the Qt Toolkit. | |
** | |
** $QT_BEGIN_LICENSE:BSD$ | |
** You may use this file under the terms of the BSD license as follows: | |
** | |
** "Redistribution and use in source and binary forms, with or without | |
** modification, are permitted provided that the following conditions are | |
** met: | |
** * Redistributions of source code must retain the above copyright | |
** notice, this list of conditions and the following disclaimer. | |
** * Redistributions in binary form must reproduce the above copyright | |
** notice, this list of conditions and the following disclaimer in | |
** the documentation and/or other materials provided with the | |
** distribution. | |
** * Neither the name of Nokia Corporation and its Subsidiary(-ies) nor | |
** the names of its contributors may be used to endorse or promote | |
** products derived from this software without specific prior written | |
** permission. | |
** | |
** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | |
** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | |
** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR | |
** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT | |
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** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE." | |
** $QT_END_LICENSE$ | |
** | |
****************************************************************************/ | |
#include "qt_windows.h" | |
#include "qbytearray.h" | |
#include "qstring.h" | |
#include "qvector.h" | |
/* | |
This file contains the code in the qtmain library for Windows. | |
qtmain contains the Windows startup code and is required for | |
linking to the Qt DLL. | |
When a Windows application starts, the WinMain function is | |
invoked. WinMain calls qWinMain in the Qt DLL/library, which | |
initializes Qt. | |
*/ | |
QT_BEGIN_NAMESPACE | |
#if defined(Q_OS_WINCE) | |
extern void __cdecl qWinMain(HINSTANCE, HINSTANCE, LPSTR, int, int &, QVector<char *> &); | |
#else | |
extern void qWinMain(HINSTANCE, HINSTANCE, LPSTR, int, int &, QVector<char *> &); | |
#endif | |
QT_END_NAMESPACE | |
QT_USE_NAMESPACE | |
#if defined(QT_NEEDS_QMAIN) | |
int qMain(int, char **); | |
#define main qMain | |
#else | |
#ifdef Q_OS_WINCE | |
extern "C" int __cdecl main(int, char **); | |
#else | |
extern "C" int main(int, char **); | |
#endif | |
#endif | |
/* | |
WinMain() - Initializes Windows and calls user's startup function main(). | |
NOTE: WinMain() won't be called if the application was linked as a "console" | |
application. | |
*/ | |
#ifdef Q_OS_WINCE | |
int WINAPI WinMain(HINSTANCE instance, HINSTANCE prevInstance, LPWSTR /*wCmdParam*/, int cmdShow) | |
#else | |
extern "C" | |
int APIENTRY WinMain(HINSTANCE instance, HINSTANCE prevInstance, LPSTR /*cmdParamarg*/, int cmdShow) | |
#endif | |
{ | |
QByteArray cmdParam = QString::fromWCharArray(GetCommandLine()).toLocal8Bit(); | |
#if defined(Q_OS_WINCE) | |
wchar_t appName[MAX_PATH]; | |
GetModuleFileName(0, appName, MAX_PATH); | |
cmdParam.prepend(QString(QLatin1String("\"%1\" ")).arg(QString::fromWCharArray(appName)).toLocal8Bit()); | |
#endif | |
int argc = 0; | |
QVector<char *> argv(8); | |
qWinMain(instance, prevInstance, cmdParam.data(), cmdShow, argc, argv); | |
#if defined(Q_OS_WINCE) | |
wchar_t uniqueAppID[MAX_PATH]; | |
GetModuleFileName(0, uniqueAppID, MAX_PATH); | |
QString uid = QString::fromWCharArray(uniqueAppID).toLower().replace(QLatin1String("\\"), QLatin1String("_")); | |
// If there exists an other instance of this application | |
// it will be the owner of a mutex with the unique ID. | |
HANDLE mutex = CreateMutex(NULL, TRUE, (LPCWSTR)uid.utf16()); | |
if (mutex && ERROR_ALREADY_EXISTS == GetLastError()) { | |
CloseHandle(mutex); | |
// The app is already running, so we use the unique | |
// ID to create a unique messageNo, which is used | |
// as the registered class name for the windows | |
// created. Set the first instance's window to the | |
// foreground, else just terminate. | |
// Use bitwise 0x01 OR to reactivate window state if | |
// it was hidden | |
UINT msgNo = RegisterWindowMessage((LPCWSTR)uid.utf16()); | |
HWND aHwnd = FindWindow((LPCWSTR)QString::number(msgNo).utf16(), 0); | |
if (aHwnd) | |
SetForegroundWindow((HWND)(((ULONG)aHwnd) | 0x01)); | |
return 0; | |
} | |
#endif // Q_OS_WINCE | |
int result = main(argc, argv.data()); | |
#if defined(Q_OS_WINCE) | |
CloseHandle(mutex); | |
#endif | |
return result; | |
} |