[hbelusca] 71455: [WIN32K] - Write the desktop version string using user-defined font (the same as the one used for window caption titles). - Reorganize a bit the code of IntPaintDesktop.

Author: hbelusca
Date: Sun May 29 13:18:05 2016
New Revision: 71455

URL: http://svn.reactos.org/svn/reactos?rev=71455&view=rev
Log:
[WIN32K]
- Write the desktop version string using user-defined font (the same as the one used for
window caption titles).
- Reorganize a bit the code of IntPaintDesktop.

Modified:
    trunk/reactos/win32ss/user/ntuser/desktop.c

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] Sun May 29 13:18:05 2016
@@ -246,30 +246,40 @@
     return STATUS_SUCCESS;
 }
 
-static int GetSystemVersionString(LPWSTR buffer)
-{
-    int len;
-#if 0 // Disabled until versioning in win32k gets correctly implemented (hbelusca).
-    RTL_OSVERSIONINFOEXW versionInfo;
-
-    versionInfo.dwOSVersionInfoSize = sizeof(RTL_OSVERSIONINFOEXW);
-
-    if (!NT_SUCCESS(RtlGetVersion((PRTL_OSVERSIONINFOW)&versionInfo)))
-        return 0;
-
-    if (versionInfo.dwMajorVersion <= 4)
-        len = swprintf(buffer,
-                       L"ReactOS Version %lu.%lu %s Build %lu",
-                       versionInfo.dwMajorVersion, versionInfo.dwMinorVersion,
-                       versionInfo.szCSDVersion, versionInfo.dwBuildNumber &
0xFFFF);
+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);
+#endif
+    }
     else
-        len = swprintf(buffer,
-                       L"ReactOS %s (Build %lu)",
-                       versionInfo.szCSDVersion, versionInfo.dwBuildNumber &
0xFFFF);
-#else
-    len = swprintf(buffer, L"ReactOS Version %S %S", KERNEL_VERSION_STR,
KERNEL_VERSION_BUILD_STR);
-#endif
-
+    {
+        len = wcslen(wszVersion);
+    }
+
+    *buffer = wszVersion;
     return len;
 }
 
@@ -1006,16 +1016,14 @@
 BOOL FASTCALL
 IntPaintDesktop(HDC hDC)
 {
+    static WCHAR s_wszSafeMode[] = L"Safe Mode"; // FIXME: Localize!
+
     RECTL Rect;
     HBRUSH DesktopBrush, PreviousBrush;
     HWND hWndDesktop;
     BOOL doPatBlt = TRUE;
     PWND WndDesktop;
-    static WCHAR s_wszSafeMode[] = L"Safe Mode";
-    int len;
-    COLORREF color_old;
-    UINT align_old;
-    int mode_old;
+    BOOLEAN InSafeMode;
 
     if (GdiGetClipBox(hDC, &Rect) == ERROR)
         return FALSE;
@@ -1026,7 +1034,10 @@
     if (!WndDesktop)
         return FALSE;
 
-    if (!UserGetSystemMetrics(SM_CLEANBOOT))
+    /* Retrieve the current SafeMode state */
+    InSafeMode = (UserGetSystemMetrics(SM_CLEANBOOT) != 0);
+
+    if (!InSafeMode)
     {
         DesktopBrush = (HBRUSH)WndDesktop->pcls->hbrBackground;
 
@@ -1149,60 +1160,75 @@
     /*
      * Display the system version on the desktop background
      */
-
-    if (g_PaintDesktopVersion || UserGetSystemMetrics(SM_CLEANBOOT))
-    {
-        static WCHAR s_wszVersion[256] = {0};
-        RECTL rect;
-
-        if (*s_wszVersion)
-        {
-            len = wcslen(s_wszVersion);
-        }
-        else
-        {
-            len = GetSystemVersionString(s_wszVersion);
-        }
-
+    if (g_PaintDesktopVersion || InSafeMode)
+    {
+        PWSTR pwszVersion;
+        INT len;
+        NONCLIENTMETRICSW ncm;
+        HFONT hFont = NULL, hOldFont = NULL; // TODO: Cache it??
+        RECTL rect; // FIXME: Use 'Rect' instead of defining yet another var!
+        COLORREF color_old;
+        UINT align_old;
+        int mode_old;
+
+        if (!UserSystemParametersInfo(SPI_GETWORKAREA, 0, &rect, 0))
+        {
+            rect.right  = UserGetSystemMetrics(SM_CXSCREEN);
+            rect.bottom = UserGetSystemMetrics(SM_CYSCREEN);
+        }
+
+        /* Set up the font (use default otherwise) */
+        ncm.cbSize = sizeof(ncm);
+        if (UserSystemParametersInfo(SPI_GETNONCLIENTMETRICS, sizeof(ncm), &ncm, 0))
+        {
+            hFont = GreCreateFontIndirectW(&ncm.lfCaptionFont);
+            if (hFont)
+                hOldFont = NtGdiSelectFont(hDC, hFont);
+        }
+
+        color_old = IntGdiSetTextColor(hDC, RGB(255,255,255));
+        align_old = IntGdiSetTextAlign(hDC, TA_RIGHT);
+        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 (!UserSystemParametersInfo(SPI_GETWORKAREA, 0, &rect, 0))
+            if (!InSafeMode)
             {
-                rect.right = UserGetSystemMetrics(SM_CXSCREEN);
-                rect.bottom = UserGetSystemMetrics(SM_CYSCREEN);
-            }
-
-            color_old = IntGdiSetTextColor(hDC, RGB(255,255,255));
-            align_old = IntGdiSetTextAlign(hDC, TA_RIGHT);
-            mode_old = IntGdiSetBkMode(hDC, TRANSPARENT);
-
-            if (!UserGetSystemMetrics(SM_CLEANBOOT))
-            {
-                GreExtTextOutW(hDC, rect.right - 16, rect.bottom - 48, 0, NULL,
s_wszVersion, len, NULL, 0);
+                GreExtTextOutW(hDC, rect.right - 16, rect.bottom - 48, 0, NULL,
pwszVersion, len, NULL, 0);
             }
             else
             {
-                /* Safe Mode */
-
-                /* Version information text in top center */
+                /* Safe Mode: version information text in top center */
                 IntGdiSetTextAlign(hDC, TA_CENTER | TA_TOP);
-                GreExtTextOutW(hDC, (rect.right + rect.left)/2, rect.top + 3, 0, NULL,
s_wszVersion, len, NULL, 0);
-
-                /* 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);
-                GreExtTextOutW(hDC, rect.left, rect.bottom - 5, 0, NULL, s_wszSafeMode,
len, NULL, 0);
-                IntGdiSetTextAlign(hDC, TA_RIGHT | TA_BASELINE);
-                GreExtTextOutW(hDC, rect.right, rect.bottom - 5, 0, NULL, s_wszSafeMode,
len, NULL, 0);
+                GreExtTextOutW(hDC, (rect.right + rect.left)/2, rect.top + 3, 0, NULL,
pwszVersion, len, NULL, 0);
             }
-
-            IntGdiSetBkMode(hDC, mode_old);
-            IntGdiSetTextAlign(hDC, align_old);
-            IntGdiSetTextColor(hDC, color_old);
+        }
+
+        if (InSafeMode)
+        {
+            /* 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);
+            GreExtTextOutW(hDC, rect.left, rect.bottom - 5, 0, NULL, s_wszSafeMode, len,
NULL, 0);
+            IntGdiSetTextAlign(hDC, TA_RIGHT | TA_BASELINE);
+            GreExtTextOutW(hDC, rect.right, rect.bottom - 5, 0, NULL, s_wszSafeMode, len,
NULL, 0);
+        }
+
+        IntGdiSetBkMode(hDC, mode_old);
+        IntGdiSetTextAlign(hDC, align_old);
+        IntGdiSetTextColor(hDC, color_old);
+
+        if (hFont)
+        {
+            NtGdiSelectFont(hDC, hOldFont);
+            GreDeleteObject(hFont);
         }
     }