Module: wine Branch: refs/heads/master Commit: 4b008052686b1cbceb9db37c42a62c13f14bf035 URL: http://source.winehq.org/git/?p=wine.git;a=commit;h=4b008052686b1cbceb9db37c...
Author: Detlef Riekenberg wine.dev@web.de Date: Fri Mar 31 14:30:10 2006 +0200
winspool: Implement EnumMonitorsW.
---
dlls/winspool/info.c | 163 ++++++++++++++++++++++++++++++++++++++++++++++++-- 1 files changed, 156 insertions(+), 7 deletions(-)
diff --git a/dlls/winspool/info.c b/dlls/winspool/info.c index 83ae8f7..2a4e82e 100644 --- a/dlls/winspool/info.c +++ b/dlls/winspool/info.c @@ -126,6 +126,14 @@ static const WCHAR DriversW[] = { 'S','y 'E','n','v','i','r','o','n','m','e','n','t','s','\', '%','s','\','D','r','i','v','e','r','s','\',0 };
+static const WCHAR MonitorsW[] = { 'S','y','s','t','e','m','\', + 'C','u', 'r','r','e','n','t','C','o','n','t','r','o','l','S','e','t','\', + 'C','o','n','t','r','o','l','\', + 'P','r','i','n','t','\', + 'M','o','n','i','t','o','r','s',0}; + +static const WCHAR LocalPortW[] = {'L','o','c','a','l',' ','P','o','r','t',0}; + static const WCHAR user_default_reg_key[] = { 'S','o','f','t','w','a','r','e','\', 'M','i','c','r','o','s','o','f','t','\', 'W','i','n','d','o','w','s',' ','N','T','\', @@ -672,6 +680,97 @@ void WINSPOOL_LoadSystemPrinters(void)
}
+/***************************************************************************** + * enumerate the local monitors (INTERNAL) + * + * returns the needed size (in bytes) for pMonitors + * and *lpreturned is set to number of entries returned in pMonitors + * + */ +static DWORD get_local_monitors(DWORD level, LPBYTE pMonitors, DWORD cbBuf, LPDWORD lpreturned) +{ + HKEY hroot = NULL; + HKEY hentry = NULL; + LPWSTR ptr; + LPMONITOR_INFO_2W mi; + WCHAR buffer[MAX_PATH]; + WCHAR dllname[MAX_PATH]; + DWORD dllsize; + DWORD len; + DWORD index = 0; + DWORD needed = 0; + DWORD numentries; + DWORD entrysize; + + entrysize = (level == 1) ? sizeof(MONITOR_INFO_1W) : sizeof(MONITOR_INFO_2W); + + numentries = *lpreturned; /* this is 0, when we scan the registry */ + len = entrysize * numentries; + ptr = (LPWSTR) &pMonitors[len]; + + numentries = 0; + len = sizeof(buffer); + buffer[0] = '\0'; + + /* Windows creates the "Monitors"-Key on reboot / start "spooler" */ + if (RegCreateKeyW(HKEY_LOCAL_MACHINE, MonitorsW, &hroot) == ERROR_SUCCESS) { + /* Scan all Monitor-Registry-Keys */ + while (RegEnumKeyExW(hroot, index, buffer, &len, NULL, NULL, NULL, NULL) == ERROR_SUCCESS) { + TRACE("Monitor_%ld: %s\n", numentries, debugstr_w(buffer)); + dllsize = sizeof(dllname); + dllname[0] = '\0'; + + /* The Monitor must have a Driver-DLL */ + if (RegOpenKeyExW(hroot, buffer, 0, KEY_READ, &hentry) == ERROR_SUCCESS) { + if (RegQueryValueExW(hentry, DriverW, NULL, NULL, (LPBYTE) dllname, &dllsize) == ERROR_SUCCESS) { + /* We found a valid DLL for this Monitor. */ + TRACE("using Driver: %s\n", debugstr_w(dllname)); + } + RegCloseKey(hentry); + } + + /* Windows returns only Port-Monitors here, but to simplify our code, + we do no filtering for Language-Monitors */ + if (dllname[0]) { + numentries++; + needed += entrysize; + needed += (len+1) * sizeof(WCHAR); /* len is lstrlenW(monitorname) */ + if (level > 1) { + /* we install and return only monitors for "Windows NT x86" */ + needed += (lstrlenW(envname_x86W) +1) * sizeof(WCHAR); + needed += dllsize; + } + + /* required size is calculated. Now fill the user-buffer */ + if (pMonitors && (cbBuf >= needed)){ + mi = (LPMONITOR_INFO_2W) pMonitors; + pMonitors += entrysize; + + TRACE("%p: writing MONITOR_INFO_%ldW #%ld\n", mi, level, numentries); + mi->pName = ptr; + lstrcpyW(ptr, buffer); /* Name of the Monitor */ + ptr += (len+1); /* len is lstrlenW(monitorname) */ + if (level > 1) { + mi->pEnvironment = ptr; + lstrcpyW(ptr, envname_x86W); /* fixed to "Windows NT x86" */ + ptr += (lstrlenW(envname_x86W)+1); + + mi->pDLLName = ptr; + lstrcpyW(ptr, dllname); /* Name of the Driver-DLL */ + ptr += (dllsize / sizeof(WCHAR)); + } + } + } + index++; + len = sizeof(buffer); + buffer[0] = '\0'; + } + RegCloseKey(hroot); + } + *lpreturned = numentries; + TRACE("need %ld byte for %ld entries\n", needed, numentries); + return needed; +}
/****************************************************************** * get_opened_printer_entry @@ -5046,7 +5145,7 @@ BOOL WINAPI EnumMonitorsA(LPSTR pName, D /***************************************************************************** * EnumMonitorsW [WINSPOOL.@] * - * Enumerate available Monitors + * Enumerate available Port-Monitors * * PARAMS * pName [I] Servername or NULL (local Computer) @@ -5058,19 +5157,69 @@ BOOL WINAPI EnumMonitorsA(LPSTR pName, D * * RETURNS * Success: TRUE - * Failure: FALSE and in bufneeded the Bytes required for buffer, if bufsize is too small + * Failure: FALSE and in pcbNeeded the Bytes required for buffer, if cbBuf is too small * - * BUGS - * only a Stub + * NOTES + * Windows reads the Registry once and cache the Results. + * + *| Language-Monitors are also installed in the same Registry-Location but + *| they are filtered in Windows (not returned by EnumMonitors). + *| We do no filtering to simplify our Code. * */ BOOL WINAPI EnumMonitorsW(LPWSTR pName, DWORD Level, LPBYTE pMonitors, DWORD cbBuf, LPDWORD pcbNeeded, LPDWORD pcReturned) { - FIXME("%s,%ld,%p,%ld,%p,%p\n", debugstr_w(pName), Level, pMonitors, + DWORD needed = 0; + DWORD numentries = 0; + BOOL res = FALSE;; + + TRACE("(%s, %ld, %p, %ld, %p, %p)\n", debugstr_w(pName), Level, pMonitors, cbBuf, pcbNeeded, pcReturned); - SetLastError(ERROR_CALL_NOT_IMPLEMENTED); - return 0; + + if (pName && (lstrlenW(pName))) { + FIXME("for Server %s not implemented\n", debugstr_w(pName)); + SetLastError(ERROR_ACCESS_DENIED); + goto emW_cleanup; + } + + /* Level is not checked in win9x */ + if (!Level || (Level > 2)) { + WARN("level (%ld) is ignored in win9x\n", Level); + SetLastError(ERROR_INVALID_LEVEL); + goto emW_cleanup; + } + if (!pcbNeeded) { + SetLastError(RPC_X_NULL_REF_POINTER); + goto emW_cleanup; + } + + /* Scan all Monitor-Keys */ + numentries = 0; + needed = get_local_monitors(Level, NULL, 0, &numentries); + + /* we calculated the needed buffersize. now do the error-checks */ + if (cbBuf < needed) { + SetLastError(ERROR_INSUFFICIENT_BUFFER); + goto emW_cleanup; + } + else if (!pMonitors || !pcReturned) { + SetLastError(RPC_X_NULL_REF_POINTER); + goto emW_cleanup; + } + + /* fill the Buffer with the Monitor-Keys */ + needed = get_local_monitors(Level, pMonitors, cbBuf, &numentries); + res = TRUE; + +emW_cleanup: + if (pcbNeeded) *pcbNeeded = needed; + if (pcReturned) *pcReturned = numentries; + + TRACE("returning %d with %ld (%ld byte for %ld entries)\n", + res, GetLastError(), needed, numentries); + + return (res); }
/******************************************************************************
-
Alexandre Julliard