Module: wine Branch: refs/heads/master Commit: 603f13e2a022779b39cda8681554e290a586391b URL: http://source.winehq.org/git/?p=wine.git;a=commit;h=603f13e2a022779b39cda868...
Author: Detlef Riekenberg wine.dev@web.de Date: Fri Mar 31 14:32:02 2006 +0200
winspool: Implement EnumMonitorsA on top of EnumMonitorsW.
---
dlls/winspool/info.c | 122 +++++++++++++++++++++++++++++++++++++++++++++++++- 1 files changed, 119 insertions(+), 3 deletions(-)
diff --git a/dlls/winspool/info.c b/dlls/winspool/info.c index 2a4e82e..c6636ca 100644 --- a/dlls/winspool/info.c +++ b/dlls/winspool/info.c @@ -5136,10 +5136,126 @@ BOOL WINAPI EnumFormsW( HANDLE hPrinter, BOOL WINAPI EnumMonitorsA(LPSTR pName, DWORD Level, LPBYTE pMonitors, DWORD cbBuf, LPDWORD pcbNeeded, LPDWORD pcReturned) { - FIXME("%s,%ld,%p,%ld,%p,%p\n", debugstr_a(pName), Level, pMonitors, + BOOL res; + LPBYTE bufferW = NULL; + LPWSTR nameW = NULL; + DWORD needed = 0; + DWORD numentries = 0; + INT len; + + TRACE("(%s, %ld, %p, %ld, %p, %p)\n", debugstr_a(pName), Level, pMonitors, cbBuf, pcbNeeded, pcReturned); - SetLastError(ERROR_CALL_NOT_IMPLEMENTED); - return 0; + + /* convert servername to unicode */ + if (pName) { + len = MultiByteToWideChar(CP_ACP, 0, pName, -1, NULL, 0); + nameW = HeapAlloc(GetProcessHeap(), 0, len * sizeof(WCHAR)); + MultiByteToWideChar(CP_ACP, 0, pName, -1, nameW, len); + } + /* alloc (userbuffersize*sizeof(WCHAR) and try to enum the monitors */ + needed = cbBuf * sizeof(WCHAR); + if (needed) bufferW = HeapAlloc(GetProcessHeap(), 0, needed); + res = EnumMonitorsW(nameW, Level, bufferW, needed, pcbNeeded, pcReturned); + + if(!res && (GetLastError() == ERROR_INSUFFICIENT_BUFFER)) { + if (pcbNeeded) needed = *pcbNeeded; + /* HeapReAlloc return NULL, when bufferW was NULL */ + bufferW = (bufferW) ? HeapReAlloc(GetProcessHeap(), 0, bufferW, needed) : + HeapAlloc(GetProcessHeap(), 0, needed); + + /* Try again with the large Buffer */ + res = EnumMonitorsW(nameW, Level, bufferW, needed, pcbNeeded, pcReturned); + } + numentries = pcReturned ? *pcReturned : 0; + needed = 0; + /* + W2k require the buffersize from EnumMonitorsW also for EnumMonitorsA. + We use the smaller Ansi-Size to avoid conflicts with fixed Buffers of old Apps. + */ + if (res) { + /* EnumMonitorsW collected all Data. Parse them to caclulate ANSI-Size */ + DWORD entrysize = 0; + DWORD index; + LPSTR ptr; + LPMONITOR_INFO_2W mi2w; + LPMONITOR_INFO_2A mi2a; + + /* MONITOR_INFO_*W and MONITOR_INFO_*A have the same size */ + entrysize = (Level == 1) ? sizeof(MONITOR_INFO_1A) : sizeof(MONITOR_INFO_2A); + + /* First pass: calculate the size for all Entries */ + mi2w = (LPMONITOR_INFO_2W) bufferW; + mi2a = (LPMONITOR_INFO_2A) pMonitors; + index = 0; + while (index < numentries) { + index++; + needed += entrysize; /* MONITOR_INFO_?A */ + TRACE("%p: parsing #%ld (%s)\n", mi2w, index, debugstr_w(mi2w->pName)); + + needed += WideCharToMultiByte(CP_ACP, 0, mi2w->pName, -1, + NULL, 0, NULL, NULL); + if (Level > 1) { + needed += WideCharToMultiByte(CP_ACP, 0, mi2w->pEnvironment, -1, + NULL, 0, NULL, NULL); + needed += WideCharToMultiByte(CP_ACP, 0, mi2w->pDLLName, -1, + NULL, 0, NULL, NULL); + } + /* use LPBYTE with entrysize to avoid double code (MONITOR_INFO_1 + MONITOR_INFO_2) */ + mi2w = (LPMONITOR_INFO_2W) (((LPBYTE)mi2w) + entrysize); + mi2a = (LPMONITOR_INFO_2A) (((LPBYTE)mi2a) + entrysize); + } + + /* check for errors and quit on failure */ + if (cbBuf < needed) { + SetLastError(ERROR_INSUFFICIENT_BUFFER); + res = FALSE; + goto emA_cleanup; + } + len = entrysize * numentries; /* room for all MONITOR_INFO_?A */ + ptr = (LPSTR) &pMonitors[len]; /* room for strings */ + cbBuf -= len ; /* free Bytes in the user-Buffer */ + mi2w = (LPMONITOR_INFO_2W) bufferW; + mi2a = (LPMONITOR_INFO_2A) pMonitors; + index = 0; + /* Second Pass: Fill the User Buffer (if we have one) */ + while ((index < numentries) && pMonitors) { + index++; + TRACE("%p: writing MONITOR_INFO_%ldA #%ld\n", mi2a, Level, index); + mi2a->pName = ptr; + len = WideCharToMultiByte(CP_ACP, 0, mi2w->pName, -1, + ptr, cbBuf , NULL, NULL); + ptr += len; + cbBuf -= len; + if (Level > 1) { + mi2a->pEnvironment = ptr; + len = WideCharToMultiByte(CP_ACP, 0, mi2w->pEnvironment, -1, + ptr, cbBuf, NULL, NULL); + ptr += len; + cbBuf -= len; + + mi2a->pDLLName = ptr; + len = WideCharToMultiByte(CP_ACP, 0, mi2w->pDLLName, -1, + ptr, cbBuf, NULL, NULL); + ptr += len; + cbBuf -= len; + } + /* use LPBYTE with entrysize to avoid double code (MONITOR_INFO_1 + MONITOR_INFO_2) */ + mi2w = (LPMONITOR_INFO_2W) (((LPBYTE)mi2w) + entrysize); + mi2a = (LPMONITOR_INFO_2A) (((LPBYTE)mi2a) + entrysize); + } + } +emA_cleanup: + if (pcbNeeded) *pcbNeeded = needed; + if (pcReturned) *pcReturned = (res) ? numentries : 0; + + HeapFree(GetProcessHeap(), 0, nameW); + HeapFree(GetProcessHeap(), 0, bufferW); + + TRACE("returning %d with %ld (%ld byte for %ld entries)\n", + (res), GetLastError(), needed, numentries); + + return (res); + }
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