diff options
Diffstat (limited to 'src/winmain')
| -rw-r--r-- | src/winmain/qtmain_win.cpp | 136 | ||||
| -rw-r--r-- | src/winmain/winmain.pro | 21 |
2 files changed, 157 insertions, 0 deletions
diff --git a/src/winmain/qtmain_win.cpp b/src/winmain/qtmain_win.cpp new file mode 100644 index 0000000000..2c0091bd89 --- /dev/null +++ b/src/winmain/qtmain_win.cpp @@ -0,0 +1,136 @@ +/**************************************************************************** +** +** 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 +** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +** 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; +} diff --git a/src/winmain/winmain.pro b/src/winmain/winmain.pro new file mode 100644 index 0000000000..8c2710ccd9 --- /dev/null +++ b/src/winmain/winmain.pro @@ -0,0 +1,21 @@ +# Additional Qt project file for qtmain lib on Windows +TEMPLATE = lib +TARGET = qtmain +DESTDIR = $$QMAKE_LIBDIR_QT +QT = + +CONFIG += staticlib warn_on +CONFIG -= qt shared + +win32 { + win32-g++*:DEFINES += QT_NEEDS_QMAIN + win32-borland:DEFINES += QT_NEEDS_QMAIN + SOURCES = qtmain_win.cpp + CONFIG += png + INCLUDEPATH += tmp $$QMAKE_INCDIR_QT/QtCore +} + +!win32:error("$$_FILE_ is intended only for Windows!") +include(../qbase.pri) +wince*:QMAKE_POST_LINK = + |