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| ** This file is part of the ActiveQt framework of the Qt Toolkit. |
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| |
| #include <qapplication.h> |
| #include <private/qcoreapplication_p.h> |
| #include <qwidget.h> |
| #include <qdir.h> |
| |
| #include <qt_windows.h> |
| |
| #include "qclassfactory_p.h" |
| |
| QT_BEGIN_NAMESPACE |
| |
| bool qax_ownQApp = false; |
| HHOOK qax_hhook = nullptr; |
| |
| // in qaxserver.cpp |
| extern wchar_t qAxModuleFilename[MAX_PATH]; |
| extern bool qAxIsServer; |
| extern ITypeLib *qAxTypeLibrary; |
| extern unsigned long qAxLockCount(); |
| extern QString qAxInit(); |
| extern void qAxCleanup(); |
| extern HANDLE qAxInstance; |
| static uint qAxThreadId = 0; |
| |
| extern HRESULT UpdateRegistry(bool bRegister, bool perUser); |
| extern HRESULT GetClassObject(const GUID &clsid, const GUID &iid, void **ppUnk); |
| |
| STDAPI DllRegisterServer() |
| { |
| return UpdateRegistry(true, false); |
| } |
| |
| STDAPI DllUnregisterServer() |
| { |
| return UpdateRegistry(false, false); |
| } |
| |
| STDAPI DllInstall(BOOL bInstall, LPCWSTR pszCmdLine) { |
| bool perUser = false; // per-user (un)registration |
| if (pszCmdLine) { |
| if (QStringView(pszCmdLine).compare(u"user", Qt::CaseInsensitive) == 0) |
| perUser = true; |
| } |
| |
| if (bInstall) { |
| HRESULT hr = UpdateRegistry(true, perUser); |
| if (FAILED(hr)) |
| UpdateRegistry(false, perUser); |
| return hr; |
| } else { |
| return UpdateRegistry(false, perUser); |
| } |
| } |
| |
| STDAPI DllGetClassObject(const GUID &clsid, const GUID &iid, void** ppv) |
| { |
| if (!qAxThreadId) |
| qAxThreadId = GetCurrentThreadId(); |
| else if (GetCurrentThreadId() != qAxThreadId) |
| return E_FAIL; |
| |
| GetClassObject(clsid, iid, ppv); |
| if (!*ppv) |
| return CLASS_E_CLASSNOTAVAILABLE; |
| return S_OK; |
| } |
| |
| STDAPI DllCanUnloadNow() |
| { |
| if (GetCurrentThreadId() != qAxThreadId) |
| return S_FALSE; |
| if (qAxLockCount()) |
| return S_FALSE; |
| if (!qax_ownQApp) |
| return S_OK; |
| |
| // check if qApp still runs widgets (in other DLLs) |
| QWidgetList widgets = QApplication::allWidgets(); |
| int count = widgets.count(); |
| for (int w = 0; w < widgets.count(); ++w) { |
| // remove all Qt generated widgets |
| QWidget *widget = widgets.at(w); |
| if (widget->windowType() == Qt::Desktop || widget->objectName() == QLatin1String("Qt internal tablet widget")) |
| count--; |
| } |
| if (count) |
| return S_FALSE; |
| |
| // no widgets left - destroy qApp |
| if (qax_hhook) |
| UnhookWindowsHookEx(qax_hhook); |
| |
| QClassFactory::cleanupCreatedApplication(*qApp); |
| delete qApp; |
| qax_ownQApp = false; |
| |
| // never allow unloading - safety net for Internet Explorer |
| return S_FALSE; |
| } |
| |
| |
| EXTERN_C BOOL WINAPI DllMain(HINSTANCE hInstance, DWORD dwReason, LPVOID /* lpvReserved */) |
| { |
| GetModuleFileName(hInstance, qAxModuleFilename, MAX_PATH); |
| // Point QApplication here such that the directory is added to the patch, and qt.conf and |
| // deployed plugins are found. |
| QCoreApplicationPrivate::setApplicationFilePath(QDir::cleanPath(QString::fromWCharArray(qAxModuleFilename))); |
| |
| qAxInstance = hInstance; |
| qAxIsServer = true; |
| |
| if (dwReason == DLL_PROCESS_ATTACH) { |
| DisableThreadLibraryCalls(hInstance); |
| qAxInit(); |
| } else if (dwReason == DLL_PROCESS_DETACH) { |
| qAxCleanup(); |
| } |
| |
| return true; |
| } |
| |
| QT_END_NAMESPACE |