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Diffstat (limited to 'lib/libUPnP/Neptune/Source/System/Win32/NptWin32MessageQueue.cpp')
| -rw-r--r-- | lib/libUPnP/Neptune/Source/System/Win32/NptWin32MessageQueue.cpp | 184 |
1 files changed, 184 insertions, 0 deletions
diff --git a/lib/libUPnP/Neptune/Source/System/Win32/NptWin32MessageQueue.cpp b/lib/libUPnP/Neptune/Source/System/Win32/NptWin32MessageQueue.cpp new file mode 100644 index 0000000..925849c --- /dev/null +++ b/lib/libUPnP/Neptune/Source/System/Win32/NptWin32MessageQueue.cpp @@ -0,0 +1,184 @@ +/***************************************************************** +| +| Neptune - Win32 Message Queue +| +| (c) 2001-2008 Gilles Boccon-Gibod +| Author: Gilles Boccon-Gibod (bok@bok.net) +| +****************************************************************/ + +/*---------------------------------------------------------------------- +| includes ++---------------------------------------------------------------------*/ +#include "NptWin32MessageQueue.h" +#ifndef TARGET_WINDOWS_STORE +/*---------------------------------------------------------------------- +| platform adaptation ++---------------------------------------------------------------------*/ +#if defined(_WIN32_WCE) +#define GetWindowLongPtr GetWindowLong +#define SetWindowLongPtr SetWindowLong +#endif + +/*---------------------------------------------------------------------- +| constants ++---------------------------------------------------------------------*/ +const int NPT_WIN32_MESSAGE_ID_BASE = WM_USER + 9200; + +/*---------------------------------------------------------------------- +| NPT_Win32WindowMessageQueue ++---------------------------------------------------------------------*/ +NPT_Win32WindowMessageQueue::NPT_Win32WindowMessageQueue() +{ + // create a hidden window to process our incoming messages + WNDCLASS wclass; + + // compute a unique class name + m_ClassName[0] = 'N'; + m_ClassName[1] = 'P'; + m_ClassName[2] = 'T'; + m_ClassName[3] = 'H'; + m_ClassName[4] = 'W'; + NPT_String tid = NPT_String::FromInteger(GetCurrentThreadId()); + for (unsigned int i=0; i<=tid.GetLength(); i++) { + m_ClassName[5+i] = tid.GetChars()[i]; + } + + // register a window class + wclass.style = 0; + wclass.lpfnWndProc = NPT_Win32WindowMessageQueue::WindowProcedure; + wclass.cbClsExtra = 0; + wclass.cbWndExtra = 0; + wclass.hInstance = GetModuleHandle(NULL); + wclass.hIcon = NULL; + wclass.hCursor = NULL; + wclass.hbrBackground = NULL; + wclass.lpszMenuName = NULL; + wclass.lpszClassName = m_ClassName; + + // register the class and ignore any error because we might + // be registering the class more than once + RegisterClass(&wclass); + + // create the hidden window + m_WindowHandle = CreateWindow( + wclass.lpszClassName, // pointer to registered class name + TEXT(""), // pointer to window name + 0, // window style + 0, // horizontal position of window + 0, // vertical position of window + 0, // window width + 0, // window height + NULL, // handle to parent or owner window + NULL, // handle to menu or child-window identifier + wclass.hInstance, // handle to application instance + NULL); + + // set a pointer to ourself as user data */ +#if defined(_MSC_VER) +#pragma warning( push ) +#pragma warning( disable: 4244) // we have to test for this because SetWindowLongPtr + // is incorrectly defined, so we'll get a C4244 warning +#endif // _MSC_VER + if (m_WindowHandle) { + SetWindowLongPtr(m_WindowHandle, GWLP_USERDATA, NPT_POINTER_TO_LONG(this)); + } +#if defined(_MSC_VER) +#pragma warning( pop ) +#endif // _MSC_VER + m_hInstance = wclass.hInstance; +} + +/*---------------------------------------------------------------------- +| NPT_Win32WindowMessageQueue ++---------------------------------------------------------------------*/ +NPT_Win32WindowMessageQueue::~NPT_Win32WindowMessageQueue() +{ + // remove ourself as user data to ensure we're not called anymore + SetWindowLongPtr(m_WindowHandle, GWLP_USERDATA, 0); + + // destroy the hidden window + DestroyWindow(m_WindowHandle); + + // unregister the window class + UnregisterClass(m_ClassName, m_hInstance); +} + +/*---------------------------------------------------------------------- +| NPT_Win32WindowMessageQueue::WindowProcedure ++---------------------------------------------------------------------*/ +LRESULT CALLBACK +NPT_Win32WindowMessageQueue::WindowProcedure(HWND window, + UINT message, + WPARAM wparam, + LPARAM lparam) +{ + // if it is a windows message, just pass it along + if (message != (UINT) NPT_WIN32_MESSAGE_ID_BASE) { + return DefWindowProc(window, message, wparam, lparam); + } + + // dispatch the message to the handler +#if defined(_MSC_VER) +#pragma warning( push ) +#pragma warning( disable: 4312) // we have to test for this because GetWindowLongPtr + // is incorrectly defined, so we'll get a C4244 warning +#endif // _MSC_VER + NPT_Win32WindowMessageQueue* queue = reinterpret_cast<NPT_Win32WindowMessageQueue *>(GetWindowLongPtr(window, GWLP_USERDATA)); +#if defined(_MSC_VER) +#pragma warning( pop ) +#endif // _MSC_VER + if (queue == NULL) { + return 0; + } + queue->HandleMessage(reinterpret_cast<NPT_Message*>(lparam), + reinterpret_cast<NPT_MessageHandler*>(wparam)); + return 0; +} + +/*---------------------------------------------------------------------- +| NPT_Win32WindowMessageQueue::PumpMessage ++---------------------------------------------------------------------*/ +NPT_Result +NPT_Win32WindowMessageQueue::PumpMessage(NPT_Timeout) +{ + // you cannot pump messages on this type of queue, since they will + // be pumped by the main windows message loop + return NPT_ERROR_NOT_SUPPORTED; +} + +/*---------------------------------------------------------------------- +| NPT_Win32WindowMessageQueue::QueueMessage ++---------------------------------------------------------------------*/ +NPT_Result +NPT_Win32WindowMessageQueue::QueueMessage(NPT_Message* message, + NPT_MessageHandler* handler) +{ + int result; + + result = ::PostMessage(m_WindowHandle, + NPT_WIN32_MESSAGE_ID_BASE, + (WPARAM)handler, + (LPARAM)message); + + if (result == 0) return NPT_FAILURE; + return NPT_SUCCESS; +} + +/*---------------------------------------------------------------------- +| NPT_Win32WindowMessageQueue::HandleMessage ++---------------------------------------------------------------------*/ +NPT_Result +NPT_Win32WindowMessageQueue::HandleMessage(NPT_Message* message, + NPT_MessageHandler* handler) +{ + NPT_Result result = NPT_FAILURE; + + if (message && handler) { + result = handler->HandleMessage(message); + } + delete message; + return result; +} + +#endif // ! TARGET_WINDOWS_STORE |