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localspl: Implement fpEnumMonitors.

This commit is contained in:
Detlef Riekenberg 2008-06-30 21:49:31 +02:00 committed by Alexandre Julliard
parent 8d930f6009
commit 2f08621d62
1 changed files with 183 additions and 2 deletions
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185
dlls/localspl/localspl_main.c
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@ -31,6 +31,7 @@
#include "ddk/winsplp.h"
#include "winuser.h"
#include "wine/list.h"
#include "wine/debug.h"
#include "wine/unicode.h"
#include "localspl_private.h"
@ -48,6 +49,17 @@ typedef struct {
BOOL lazy;
} apd_data_t;
typedef struct {
struct list entry;
LPWSTR name;
LPWSTR dllname;
PMONITORUI monitorUI;
LPMONITOR monitor;
HMODULE hdll;
DWORD refcount;
DWORD dwMonitorSize;
} monitor_t;
typedef struct {
LPCWSTR envname;
LPCWSTR subdir;
@ -56,13 +68,13 @@ typedef struct {
LPCWSTR versionsubdir;
} printenv_t;
/* ############################### */
HINSTANCE LOCALSPL_hInstance = NULL;
static const PRINTPROVIDOR * pp = NULL;
static const WCHAR backslashW[] = {'\\',0};
static const WCHAR configuration_fileW[] = {'C','o','n','f','i','g','u','r','a','t','i','o','n',' ','F','i','l','e',0};
static const WCHAR datatypeW[] = {'D','a','t','a','t','y','p','e',0};
@ -82,6 +94,11 @@ static const WCHAR help_fileW[] = {'H','e','l','p',' ','F','i','l','e',0};
static const WCHAR locationW[] = {'L','o','c','a','t','i','o','n',0};
static const WCHAR manufacturerW[] = {'M','a','n','u','f','a','c','t','u','r','e','r',0};
static const WCHAR monitorW[] = {'M','o','n','i','t','o','r',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 monitorUIW[] = {'M','o','n','i','t','o','r','U','I',0};
static const WCHAR nameW[] = {'N','a','m','e',0};
static const WCHAR oem_urlW[] = {'O','E','M',' ','U','r','l',0};
@ -116,6 +133,7 @@ static const DWORD di_sizeof[] = {0, sizeof(DRIVER_INFO_1W), sizeof(DRIVER_INFO_
sizeof(DRIVER_INFO_5W), sizeof(DRIVER_INFO_6W),
0, sizeof(DRIVER_INFO_8W)};
/******************************************************************
* apd_copyfile [internal]
*
@ -283,6 +301,102 @@ static const printenv_t * validate_envW(LPCWSTR env)
return result;
}
/*****************************************************************************
* enumerate the local monitors (INTERNAL)
*
* returns the needed size (in bytes) for pMonitors
* and *lpreturned is set to number of entries returned in pMonitors
*
* 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.
*
*/
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)/sizeof(buffer[0]);
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_%d: %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(x86_envnameW) +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_%dW #%d\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, x86_envnameW); /* fixed to "Windows NT x86" */
ptr += (lstrlenW(x86_envnameW)+1);
mi->pDLLName = ptr;
lstrcpyW(ptr, dllname); /* Name of the Driver-DLL */
ptr += (dllsize / sizeof(WCHAR));
}
}
}
index++;
len = sizeof(buffer)/sizeof(buffer[0]);
buffer[0] = '\0';
}
RegCloseKey(hroot);
}
*lpreturned = numentries;
TRACE("need %d byte for %d entries\n", needed, numentries);
return needed;
}
/*****************************************************************************
* open_driver_reg [internal]
*
@ -583,6 +697,73 @@ static BOOL WINAPI fpAddPrinterDriverEx(LPWSTR pName, DWORD level, LPBYTE pDrive
return myAddPrinterDriverEx(level, pDriverInfo, dwFileCopyFlags, TRUE);
}
/*****************************************************************************
* fpEnumMonitors [exported through PRINTPROVIDOR]
*
* Enumerate available Port-Monitors
*
* PARAMS
* pName [I] Servername or NULL (local Computer)
* Level [I] Structure-Level (1:Win9x+NT or 2:NT only)
* pMonitors [O] PTR to Buffer that receives the Result
* cbBuf [I] Size of Buffer at pMonitors
* pcbNeeded [O] PTR to DWORD that receives the size in Bytes used / required for pMonitors
* pcReturned [O] PTR to DWORD that receives the number of Monitors in pMonitors
*
* RETURNS
* Success: TRUE
* Failure: FALSE and in pcbNeeded the Bytes required for buffer, if cbBuf is too small
*
* NOTES
* Windows reads the Registry once and cache the Results.
*
*/
BOOL WINAPI fpEnumMonitors(LPWSTR pName, DWORD Level, LPBYTE pMonitors, DWORD cbBuf,
LPDWORD pcbNeeded, LPDWORD pcReturned)
{
DWORD numentries = 0;
DWORD needed = 0;
LONG lres;
BOOL res = FALSE;
TRACE("(%s, %d, %p, %d, %p, %p)\n", debugstr_w(pName), Level, pMonitors,
cbBuf, pcbNeeded, pcReturned);
lres = copy_servername_from_name(pName, NULL);
if (lres) {
FIXME("server %s not supported\n", debugstr_w(pName));
SetLastError(ERROR_INVALID_NAME);
goto em_cleanup;
}
/* Scan all Monitor-Keys */
numentries = 0;
needed = get_local_monitors(Level, NULL, 0, &numentries);
/* we calculated the needed buffersize. now do more error-checks */
if (cbBuf < needed) {
SetLastError(ERROR_INSUFFICIENT_BUFFER);
goto em_cleanup;
}
else if (!pMonitors || !pcReturned) {
SetLastError(RPC_X_NULL_REF_POINTER);
goto em_cleanup;
}
/* fill the Buffer with the Monitor-Keys */
needed = get_local_monitors(Level, pMonitors, cbBuf, &numentries);
res = TRUE;
em_cleanup:
if (pcbNeeded) *pcbNeeded = needed;
if (pcReturned) *pcReturned = numentries;
TRACE("returning %d with %d (%d byte for %d entries)\n",
res, GetLastError(), needed, numentries);
return (res);
}
/*****************************************************
* get_backend [internal]
*/
@ -626,7 +807,7 @@ static const PRINTPROVIDOR * get_backend(void)
NULL, /* fpGetForm */
NULL, /* fpSetForm */
NULL, /* fpEnumForms */
NULL, /* fpEnumMonitors */
fpEnumMonitors,
NULL, /* fpEnumPorts */
NULL, /* fpAddPort */
NULL, /* fpConfigurePort */