/****************************************************************** * WDML_CreateServerConv * * */ static WDML_CONV* WDML_CreateServerConv(WDML_INSTANCE* pInstance, HWND hwndClient, HWND hwndServerName, HSZ hszApp, HSZ hszTopic) { HWND hwndServerConv; WDML_CONV* pConv; if (pInstance->unicode) { WNDCLASSEXW wndclass; wndclass.cbSize = sizeof(wndclass); wndclass.style = 0; wndclass.lpfnWndProc = WDML_ServerConvProc; wndclass.cbClsExtra = 0; wndclass.cbWndExtra = 2 * sizeof(DWORD); wndclass.hInstance = 0; wndclass.hIcon = 0; wndclass.hCursor = 0; wndclass.hbrBackground = 0; wndclass.lpszMenuName = NULL; wndclass.lpszClassName = WDML_szServerConvClassW; wndclass.hIconSm = 0; RegisterClassExW(&wndclass); hwndServerConv = CreateWindowW(WDML_szServerConvClassW, 0, WS_CHILD, 0, 0, 0, 0, hwndServerName, 0, 0, 0); } else { WNDCLASSEXA wndclass; wndclass.cbSize = sizeof(wndclass); wndclass.style = 0; wndclass.lpfnWndProc = WDML_ServerConvProc; wndclass.cbClsExtra = 0; wndclass.cbWndExtra = 2 * sizeof(DWORD); wndclass.hInstance = 0; wndclass.hIcon = 0; wndclass.hCursor = 0; wndclass.hbrBackground = 0; wndclass.lpszMenuName = NULL; wndclass.lpszClassName = WDML_szServerConvClassA; wndclass.hIconSm = 0; RegisterClassExA(&wndclass); hwndServerConv = CreateWindowA(WDML_szServerConvClassA, 0, WS_CHILD, 0, 0, 0, 0, hwndServerName, 0, 0, 0); } TRACE("Created convServer=%04x (nameServer=%04x) for instance=%08lx\n", hwndServerConv, hwndServerName, pInstance->instanceID); pConv = WDML_AddConv(pInstance, WDML_SERVER_SIDE, hszApp, hszTopic, hwndClient, hwndServerConv); if (pConv) { SetWindowLongA(hwndServerConv, GWL_WDML_INSTANCE, (DWORD)pInstance); SetWindowLongA(hwndServerConv, GWL_WDML_CONVERSATION, (DWORD)pConv); /* this should be the only place using SendMessage for WM_DDE_ACK */ /* note: sent messages shall not use packing */ SendMessageA(hwndClient, WM_DDE_ACK, (WPARAM)hwndServerConv, MAKELPARAM(WDML_MakeAtomFromHsz(hszApp), WDML_MakeAtomFromHsz(hszTopic))); /* we assume we're connected since we've sent an answer... * I'm not sure what we can do... it doesn't look like the return value * of SendMessage is used... sigh... */ pConv->wStatus |= ST_CONNECTED; } else { DestroyWindow(hwndServerConv); } return pConv; }
/****************************************************************** * WDML_ClientProc * * Window Proc created on client side for each conversation */ static LRESULT CALLBACK WDML_ClientProc(HWND hwnd, UINT iMsg, WPARAM wParam, LPARAM lParam) { UINT uiLo, uiHi; WDML_CONV* pConv = NULL; HSZ hszSrv, hszTpc; TRACE("%p %04x %08lx %08lx\n", hwnd, iMsg, wParam , lParam); if (iMsg == WM_DDE_ACK && /* in the initial WM_INITIATE sendmessage */ ((pConv = WDML_GetConvFromWnd(hwnd)) == NULL || pConv->wStatus == XST_INIT1)) { /* In response to WM_DDE_INITIATE, save server window */ char buf[256]; WDML_INSTANCE* pInstance; /* note: sent messages do not need packing */ uiLo = LOWORD(lParam); uiHi = HIWORD(lParam); /* FIXME: convlist should be handled here */ if (pConv) { /* we already have started the conv with a server, drop other replies */ GlobalDeleteAtom(uiLo); GlobalDeleteAtom(uiHi); PostMessageW((HWND)wParam, WM_DDE_TERMINATE, (WPARAM)hwnd, 0); return 0; } pInstance = WDML_GetInstanceFromWnd(hwnd); hszSrv = WDML_MakeHszFromAtom(pInstance, uiLo); hszTpc = WDML_MakeHszFromAtom(pInstance, uiHi); pConv = WDML_AddConv(pInstance, WDML_CLIENT_SIDE, hszSrv, hszTpc, hwnd, (HWND)wParam); SetWindowLongPtrW(hwnd, GWL_WDML_CONVERSATION, (ULONG_PTR)pConv); pConv->wStatus |= ST_CONNECTED; pConv->wConvst = XST_INIT1; /* check if server is handled by DDEML */ if ((GetClassNameA((HWND)wParam, buf, sizeof(buf)) && lstrcmpiA(buf, WDML_szServerConvClassA) == 0) || (GetClassNameW((HWND)wParam, (LPWSTR)buf, sizeof(buf)/sizeof(WCHAR)) && lstrcmpiW((LPWSTR)buf, WDML_szServerConvClassW) == 0)) { pConv->wStatus |= ST_ISLOCAL; } GlobalDeleteAtom(uiLo); GlobalDeleteAtom(uiHi); /* accept conversation */ return 1; } if (iMsg >= WM_DDE_FIRST && iMsg <= WM_DDE_LAST) { pConv = WDML_GetConvFromWnd(hwnd); if (pConv) { MSG msg; HDDEDATA hdd; msg.hwnd = hwnd; msg.message = iMsg; msg.wParam = wParam; msg.lParam = lParam; WDML_HandleReply(pConv, &msg, &hdd, NULL); } return 0; } return IsWindowUnicode(hwnd) ? DefWindowProcW(hwnd, iMsg, wParam, lParam) : DefWindowProcA(hwnd, iMsg, wParam, lParam); }