[hbelusca] 71486: [WIN32K] Display a nice ReactOS version desktop watermark (with different fonts) when the corresponding registry values are set. See http://winaero.com/blog/a-new-way-to-display-t...
1 Jun
2016
1 Jun
'16
3:24 p.m.
Author: hbelusca
Date: Wed Jun 1 15:24:38 2016
New Revision: 71486
URL: http://svn.reactos.org/svn/reactos?rev=71486&view=rev
Log:
[WIN32K]
Display a nice ReactOS version desktop watermark (with different fonts) when the
corresponding registry values are set.
See http://winaero.com/blog/a-new-way-to-display-the-windows-version-on-your-de… for
more details (which works on Windows 2003 too).
CORE-11349 #resolve
Modified:
trunk/reactos/win32ss/user/ntuser/desktop.c
trunk/reactos/win32ss/user/ntuser/ntuser.c
trunk/reactos/win32ss/user/ntuser/ntuser.h
Modified: trunk/reactos/win32ss/user/ntuser/desktop.c
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/win32ss/user/ntuser/deskto…
==============================================================================
--- trunk/reactos/win32ss/user/ntuser/desktop.c [iso-8859-1] (original)
+++ trunk/reactos/win32ss/user/ntuser/desktop.c [iso-8859-1] Wed Jun 1 15:24:38 2016
@@ -3,7 +3,7 @@
* PROJECT: ReactOS Win32k subsystem
* PURPOSE: Desktops
* FILE: subsystems/win32/win32k/ntuser/desktop.c
- * PROGRAMER: Casper S. Hornstrup (chorns(a)users.sourceforge.net)
+ * PROGRAMMER: Casper S. Hornstrup (chorns(a)users.sourceforge.net)
*/
/* INCLUDES ******************************************************************/
@@ -246,41 +246,201 @@
return STATUS_SUCCESS;
}
-static INT GetSystemVersionString(PWSTR* buffer)
-{
- static WCHAR wszVersion[256] = L"";
- int len = 0;
-
- if (!*wszVersion)
- {
-#if 0 // Disabled until versioning in win32k gets correctly implemented (hbelusca,
r66750).
- RTL_OSVERSIONINFOEXW versionInfo;
-
- versionInfo.dwOSVersionInfoSize = sizeof(RTL_OSVERSIONINFOEXW);
-
- if (!NT_SUCCESS(RtlGetVersion((PRTL_OSVERSIONINFOW)&versionInfo)))
- return 0;
-
- if (versionInfo.dwMajorVersion <= 4)
- len = swprintf(wszVersion,
- L"ReactOS Version %lu.%lu %s Build %lu",
- versionInfo.dwMajorVersion, versionInfo.dwMinorVersion,
- versionInfo.szCSDVersion, versionInfo.dwBuildNumber &
0xFFFF);
- else
- len = swprintf(wszVersion,
- L"ReactOS %s (Build %lu)",
- versionInfo.szCSDVersion, versionInfo.dwBuildNumber &
0xFFFF);
-#else
- len = swprintf(wszVersion, L"ReactOS Version %S %S",
KERNEL_VERSION_STR, KERNEL_VERSION_BUILD_STR);
+static NTSTATUS
+GetSystemVersionString(OUT PWSTR pwszzVersion,
+ IN SIZE_T cchDest,
+ IN BOOLEAN InSafeMode,
+ IN BOOLEAN AppendNtSystemRoot)
+{
+ NTSTATUS Status;
+
+ RTL_OSVERSIONINFOEXW VerInfo;
+ UNICODE_STRING CSDVersionString;
+#if 0
+ UNICODE_STRING CurBuildNmString;
#endif
+ RTL_QUERY_REGISTRY_TABLE VersionConfigurationTable[2] =
+ {
+ {
+ NULL,
+ RTL_QUERY_REGISTRY_DIRECT,
+ L"CSDVersion",
+ &CSDVersionString,
+ REG_NONE, NULL, 0
+ },
+
+#if 0
+ {
+ NULL,
+ RTL_QUERY_REGISTRY_DIRECT,
+ L"CurrentBuildNumber",
+ &CurBuildNmString,
+ REG_NONE, NULL, 0
+ },
+#endif
+
+ {0}
+ };
+
+ WCHAR VersionBuffer[256];
+ PWCHAR EndBuffer;
+
+ VerInfo.dwOSVersionInfoSize = sizeof(VerInfo);
+
+ /*
+ * This call is uniquely used to retrieve the current CSD numbers.
+ * All the rest (major, minor, ...) is either retrieved from the
+ * SharedUserData structure, or from the registry.
+ */
+ RtlGetVersion((PRTL_OSVERSIONINFOW)&VerInfo);
+
+ /*
+ * In kernel-mode, szCSDVersion is not initialized. Initialize it
+ * and query its value from the registry.
+ */
+ RtlZeroMemory(VerInfo.szCSDVersion, sizeof(VerInfo.szCSDVersion));
+ RtlInitEmptyUnicodeString(&CSDVersionString,
+ VerInfo.szCSDVersion,
+ sizeof(VerInfo.szCSDVersion));
+ Status = RtlQueryRegistryValues(RTL_REGISTRY_WINDOWS_NT,
+ L"",
+ VersionConfigurationTable,
+ NULL,
+ NULL);
+ if (!NT_SUCCESS(Status))
+ {
+ /* Indicate nothing is there */
+ CSDVersionString.Length = 0;
+ }
+ /* NULL-terminate */
+ CSDVersionString.Buffer[CSDVersionString.Length / sizeof(WCHAR)] = UNICODE_NULL;
+
+ EndBuffer = VersionBuffer;
+ if ( /* VerInfo.wServicePackMajor != 0 && */ CSDVersionString.Length)
+ {
+ /* Print the version string */
+ Status = RtlStringCbPrintfExW(VersionBuffer,
+ sizeof(VersionBuffer),
+ &EndBuffer,
+ NULL,
+ 0,
+ L": %wZ",
+ &CSDVersionString);
+ if (!NT_SUCCESS(Status))
+ {
+ /* No version, NULL-terminate the string */
+ *EndBuffer = UNICODE_NULL;
+ }
}
else
{
- len = wcslen(wszVersion);
- }
-
- *buffer = wszVersion;
- return len;
+ /* No version, NULL-terminate the string */
+ *EndBuffer = UNICODE_NULL;
+ }
+
+ if (InSafeMode)
+ {
+ /* String for Safe Mode */
+ Status = RtlStringCchPrintfW(pwszzVersion,
+ cchDest,
+ L"ReactOS Version %S %S (NT %u.%u Build
%u%s)\n",
+ KERNEL_VERSION_STR,
+ KERNEL_VERSION_BUILD_STR, // Same as the
"BuildLab" string in the registry
+ SharedUserData->NtMajorVersion,
+ SharedUserData->NtMinorVersion,
+ (VerInfo.dwBuildNumber & 0xFFFF),
+ VersionBuffer);
+
+ if (AppendNtSystemRoot && NT_SUCCESS(Status))
+ {
+ Status = RtlStringCbPrintfW(VersionBuffer,
+ sizeof(VersionBuffer),
+ L" - %s\n",
+ SharedUserData->NtSystemRoot);
+ if (NT_SUCCESS(Status))
+ {
+ /* Replace the last newline by a NULL, before concatenating */
+ EndBuffer = wcsrchr(pwszzVersion, L'\n');
+ if (EndBuffer) *EndBuffer = UNICODE_NULL;
+
+ /* The concatenated string has a terminating newline */
+ Status = RtlStringCchCatW(pwszzVersion,
+ cchDest,
+ VersionBuffer);
+ if (!NT_SUCCESS(Status))
+ {
+ /* Concatenation failed, put back the newline */
+ if (EndBuffer) *EndBuffer = L'\n';
+ }
+ }
+
+ /* Override any failures as the NtSystemRoot string is optional */
+ Status = STATUS_SUCCESS;
+ }
+ }
+ else
+ {
+ /* Multi-string for Normal Mode */
+ Status = RtlStringCchPrintfW(pwszzVersion,
+ cchDest,
+ L"ReactOS Version %S\n"
+ L"Build %S\n"
+ L"Reporting NT %u.%u (Build %u%s)\n",
+ KERNEL_VERSION_STR,
+ KERNEL_VERSION_BUILD_STR, // Same as the
"BuildLab" string in the registry
+ SharedUserData->NtMajorVersion,
+ SharedUserData->NtMinorVersion,
+ (VerInfo.dwBuildNumber & 0xFFFF),
+ VersionBuffer);
+
+ if (AppendNtSystemRoot && NT_SUCCESS(Status))
+ {
+ Status = RtlStringCbPrintfW(VersionBuffer,
+ sizeof(VersionBuffer),
+ L"%s\n",
+ SharedUserData->NtSystemRoot);
+ if (NT_SUCCESS(Status))
+ {
+ Status = RtlStringCchCatW(pwszzVersion,
+ cchDest,
+ VersionBuffer);
+ }
+
+ /* Override any failures as the NtSystemRoot string is optional */
+ Status = STATUS_SUCCESS;
+ }
+ }
+
+ if (!NT_SUCCESS(Status))
+ {
+ /* Fall-back string */
+ Status = RtlStringCchPrintfW(pwszzVersion,
+ cchDest,
+ L"ReactOS Version %S %S\n",
+ KERNEL_VERSION_STR,
+ KERNEL_VERSION_BUILD_STR);
+ if (!NT_SUCCESS(Status))
+ {
+ /* General failure, NULL-terminate the string */
+ pwszzVersion[0] = UNICODE_NULL;
+ }
+ }
+
+ /*
+ * Convert the string separators (newlines) into NULLs
+ * and NULL-terminate the multi-string.
+ */
+ while (*pwszzVersion)
+ {
+ EndBuffer = wcschr(pwszzVersion, L'\n');
+ if (!EndBuffer) break;
+ pwszzVersion = EndBuffer;
+
+ *pwszzVersion++ = UNICODE_NULL;
+ }
+ *pwszzVersion = UNICODE_NULL;
+
+ return Status;
}
@@ -1035,7 +1195,7 @@
return FALSE;
/* Retrieve the current SafeMode state */
- InSafeMode = (UserGetSystemMetrics(SM_CLEANBOOT) != 0);
+ InSafeMode = (UserGetSystemMetrics(SM_CLEANBOOT) != 0); //
gpsi->aiSysMet[SM_CLEANBOOT];
if (!InSafeMode)
{
@@ -1160,15 +1320,21 @@
/*
* Display the system version on the desktop background
*/
- if (g_PaintDesktopVersion || InSafeMode)
- {
- PWSTR pwszVersion;
+ if (InSafeMode || g_AlwaysDisplayVersion || g_PaintDesktopVersion)
+ {
+ NTSTATUS Status;
+ static WCHAR wszzVersion[1024] = L"\0";
+
+ /* Only used in normal mode */
+ // We expect at most 4 strings (3 for version, 1 for optional NtSystemRoot)
+ static POLYTEXTW VerStrs[4] = {{0},{0},{0},{0}};
+ INT i = 0;
INT len;
- NONCLIENTMETRICSW ncm;
- HFONT hFont = NULL, hOldFont = NULL;
+
+ HFONT hFont1 = NULL, hFont2 = NULL, hOldFont = NULL;
COLORREF crText, color_old;
UINT align_old;
- int mode_old;
+ INT mode_old;
PDC pdc;
if (!UserSystemParametersInfo(SPI_GETWORKAREA, 0, &Rect, 0))
@@ -1177,18 +1343,22 @@
Rect.bottom = UserGetSystemMetrics(SM_CYSCREEN);
}
- /* Set up the font (use default one otherwise) */
- ncm.cbSize = sizeof(ncm);
- if (UserSystemParametersInfo(SPI_GETNONCLIENTMETRICS, sizeof(ncm), &ncm, 0))
- {
- hFont = GreCreateFontIndirectW(&ncm.lfCaptionFont);
- if (hFont)
- hOldFont = NtGdiSelectFont(hDC, hFont);
- }
+ /*
+ * Set up the fonts (otherwise use default ones)
+ */
+
+ /* Font for the principal version string */
+ hFont1 = GreCreateFontIndirectW(&gspv.ncm.lfCaptionFont);
+ /* Font for the secondary version strings */
+ hFont2 = GreCreateFontIndirectW(&gspv.ncm.lfMenuFont);
+
+ if (hFont1)
+ hOldFont = NtGdiSelectFont(hDC, hFont1);
if (gspv.hbmWallpaper == NULL)
{
/* Retrieve the brush fill colour */
+ // TODO: The following code constitutes "GreGetBrushColor".
PreviousBrush = NtGdiSelectBrush(hDC, DesktopBrush);
pdc = DC_LockDc(hDC);
if (pdc)
@@ -1219,33 +1389,100 @@
mode_old = IntGdiSetBkMode(hDC, TRANSPARENT);
/* Display the system version information */
- // FIXME: We need different strings for Safe Mode and regular mode.
- len = GetSystemVersionString(&pwszVersion); // , InSafeMode);
- if (len)
+ if (!*wszzVersion)
+ {
+ Status = GetSystemVersionString(wszzVersion,
+ ARRAYSIZE(wszzVersion),
+ InSafeMode,
+ g_AlwaysDisplayVersion);
+ if (!InSafeMode && NT_SUCCESS(Status) && *wszzVersion)
+ {
+ PWCHAR pstr = wszzVersion;
+ for (i = 0; (i < ARRAYSIZE(VerStrs)) && *pstr; ++i)
+ {
+ VerStrs[i].n = wcslen(pstr);
+ VerStrs[i].lpstr = pstr;
+ pstr += (VerStrs[i].n + 1);
+ }
+ }
+ }
+ else
+ {
+ Status = STATUS_SUCCESS;
+ }
+ if (NT_SUCCESS(Status) && *wszzVersion)
{
if (!InSafeMode)
{
- GreExtTextOutW(hDC, Rect.right - 16, Rect.bottom - 48, 0, NULL,
pwszVersion, len, NULL, 0);
+ SIZE Size = {0, 0};
+ LONG TotalHeight = 0;
+
+ /* Normal Mode: multiple version information text separated by newlines
*/
+ IntGdiSetTextAlign(hDC, TA_RIGHT | TA_BOTTOM);
+
+ /* Compute the heights of the strings */
+ if (hFont1) NtGdiSelectFont(hDC, hFont1);
+ for (i = 0; i < ARRAYSIZE(VerStrs); ++i)
+ {
+ if (!VerStrs[i].lpstr || !*VerStrs[i].lpstr || (VerStrs[i].n == 0))
+ break;
+
+ GreGetTextExtentW(hDC, VerStrs[i].lpstr, VerStrs[i].n, &Size,
1);
+ VerStrs[i].y = Size.cy; // Store the string height
+ TotalHeight += Size.cy;
+
+ /* While the first string was using hFont1, all the others use hFont2
*/
+ if (hFont2) NtGdiSelectFont(hDC, hFont2);
+ }
+ /* The total height must not exceed the screen height */
+ TotalHeight = min(TotalHeight, Rect.bottom);
+
+ /* Display the strings */
+ if (hFont1) NtGdiSelectFont(hDC, hFont1);
+ for (i = 0; i < ARRAYSIZE(VerStrs); ++i)
+ {
+ if (!VerStrs[i].lpstr || !*VerStrs[i].lpstr || (VerStrs[i].n == 0))
+ break;
+
+ TotalHeight -= VerStrs[i].y;
+ GreExtTextOutW(hDC,
+ Rect.right - 5,
+ Rect.bottom - TotalHeight - 5,
+ 0, NULL,
+ VerStrs[i].lpstr,
+ VerStrs[i].n,
+ NULL, 0);
+
+ /* While the first string was using hFont1, all the others use hFont2
*/
+ if (hFont2) NtGdiSelectFont(hDC, hFont2);
+ }
}
else
{
- /* Safe Mode: version information text in top center */
+ if (hFont1) NtGdiSelectFont(hDC, hFont1);
+
+ /* Safe Mode: single version information text in top center */
+ len = wcslen(wszzVersion);
+
IntGdiSetTextAlign(hDC, TA_CENTER | TA_TOP);
- GreExtTextOutW(hDC, (Rect.right + Rect.left)/2, Rect.top + 3, 0, NULL,
pwszVersion, len, NULL, 0);
+ GreExtTextOutW(hDC, (Rect.right + Rect.left)/2, Rect.top + 3, 0, NULL,
wszzVersion, len, NULL, 0);
}
}
if (InSafeMode)
{
+ if (hFont1) NtGdiSelectFont(hDC, hFont1);
+
/* Print Safe Mode text in corners */
len = wcslen(s_wszSafeMode);
+
IntGdiSetTextAlign(hDC, TA_LEFT | TA_TOP);
GreExtTextOutW(hDC, Rect.left, Rect.top + 3, 0, NULL, s_wszSafeMode, len,
NULL, 0);
IntGdiSetTextAlign(hDC, TA_RIGHT | TA_TOP);
GreExtTextOutW(hDC, Rect.right, Rect.top + 3, 0, NULL, s_wszSafeMode, len,
NULL, 0);
- IntGdiSetTextAlign(hDC, TA_LEFT | TA_BASELINE);
+ IntGdiSetTextAlign(hDC, TA_LEFT | TA_BOTTOM);
GreExtTextOutW(hDC, Rect.left, Rect.bottom - 5, 0, NULL, s_wszSafeMode, len,
NULL, 0);
- IntGdiSetTextAlign(hDC, TA_RIGHT | TA_BASELINE);
+ IntGdiSetTextAlign(hDC, TA_RIGHT | TA_BOTTOM);
GreExtTextOutW(hDC, Rect.right, Rect.bottom - 5, 0, NULL, s_wszSafeMode, len,
NULL, 0);
}
@@ -1253,10 +1490,13 @@
IntGdiSetTextAlign(hDC, align_old);
IntGdiSetTextColor(hDC, color_old);
- if (hFont)
+ if (hFont2)
+ GreDeleteObject(hFont2);
+
+ if (hFont1)
{
NtGdiSelectFont(hDC, hOldFont);
- GreDeleteObject(hFont);
+ GreDeleteObject(hFont1);
}
}
Modified: trunk/reactos/win32ss/user/ntuser/ntuser.c
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/win32ss/user/ntuser/ntuser…
==============================================================================
--- trunk/reactos/win32ss/user/ntuser/ntuser.c [iso-8859-1] (original)
+++ trunk/reactos/win32ss/user/ntuser/ntuser.c [iso-8859-1] Wed Jun 1 15:24:38 2016
@@ -14,6 +14,7 @@
PTHREADINFO gptiCurrent = NULL;
PPROCESSINFO gppiInputProvider = NULL;
+BOOL g_AlwaysDisplayVersion = FALSE;
ERESOURCE UserLock;
ATOM AtomMessage; // Window Message atom.
ATOM AtomWndObj; // Window Object atom.
@@ -76,6 +77,7 @@
InitUserImpl(VOID)
{
NTSTATUS Status;
+ HKEY hKey;
ExInitializeResourceLite(&UserLock);
@@ -93,6 +95,16 @@
}
InitUserAtoms();
+
+ Status = RegOpenKey(L"\\Registry\\Machine\\Software\\Microsoft\\Windows
NT\\CurrentVersion\\Windows",
+ &hKey);
+ if (NT_SUCCESS(Status))
+ {
+ DWORD dwValue = 0;
+ RegReadDWORD(hKey, L"DisplayVersion", &dwValue);
+ g_AlwaysDisplayVersion = !!dwValue;
+ ZwClose(hKey);
+ }
InitSysParams();
Modified: trunk/reactos/win32ss/user/ntuser/ntuser.h
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/win32ss/user/ntuser/ntuser…
==============================================================================
--- trunk/reactos/win32ss/user/ntuser/ntuser.h [iso-8859-1] (original)
+++ trunk/reactos/win32ss/user/ntuser/ntuser.h [iso-8859-1] Wed Jun 1 15:24:38 2016
@@ -14,6 +14,7 @@
extern PPROCESSINFO gppiList;
extern PPROCESSINFO ppiScrnSaver;
extern PPROCESSINFO gppiInputProvider;
+extern BOOL g_AlwaysDisplayVersion;
extern ATOM gaGuiConsoleWndClass;
extern ATOM AtomDDETrack;
extern ATOM AtomQOS;
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