[fireball] 28970: Changes partly based on a patch and ideas by Gregor Brunmar <[e-mail]>: - Fix size argument in calls to RegQueryValueEx() (if some fails, it may not be equal to sizeof(DWORD)). - If it's impossible to read settings from vmware's registry key, obtain current screen settings and pass them.

Author: fireball
Date: Sun Sep  9 15:04:22 2007
New Revision: 28970

URL: http://svn.reactos.org/svn/reactos?rev=28970&view=rev
Log:
Changes partly based on a patch and ideas by Gregor Brunmar
<gregor.brunmar(a)home.se>se>:
- Fix size argument in calls to RegQueryValueEx() (if some fails, it may not be equal to
sizeof(DWORD)).
- If it's impossible to read settings from vmware's registry key, obtain current
screen settings and pass them.

Modified:
    trunk/reactos/base/setup/vmwinst/vmwinst.c

Modified: trunk/reactos/base/setup/vmwinst/vmwinst.c
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/base/setup/vmwinst/vmwinst…
==============================================================================
--- trunk/reactos/base/setup/vmwinst/vmwinst.c (original)
+++ trunk/reactos/base/setup/vmwinst/vmwinst.c Sun Sep  9 15:04:22 2007
@@ -203,24 +203,39 @@
 LoadResolutionSettings(DWORD *ResX, DWORD *ResY, DWORD *ColDepth)
 {
   HKEY hReg;
-  DWORD Type, Size;
+  DWORD Type, Size = sizeof(DWORD);
 
   if(RegOpenKeyEx(HKEY_LOCAL_MACHINE,
                   L"SYSTEM\\CurrentControlSet\\Services\\vmx_svga\\Device0",
                   0, KEY_QUERY_VALUE, &hReg) != ERROR_SUCCESS)
   {
-    return FALSE;
-  }
+    DEVMODE CurrentDevMode;
+
+    /* If this key is absent, just get current settings */
+    memset(&CurrentDevMode, 0, sizeof(CurrentDevMode));
+    CurrentDevMode.dmSize = sizeof(CurrentDevMode);
+    if (EnumDisplaySettings(NULL, ENUM_CURRENT_SETTINGS, &CurrentDevMode) == TRUE)
+    {
+      *ColDepth = CurrentDevMode.dmBitsPerPel;
+      *ResX = CurrentDevMode.dmPelsWidth;
+      *ResY = CurrentDevMode.dmPelsHeight;
+
+      return TRUE;
+    }
+  }
+
   if(RegQueryValueEx(hReg, L"DefaultSettings.BitsPerPel", 0, &Type,
(BYTE*)ColDepth, &Size) != ERROR_SUCCESS ||
      Type != REG_DWORD)
   {
     *ColDepth = 8;
+    Size = sizeof(DWORD);
   }
 
   if(RegQueryValueEx(hReg, L"DefaultSettings.XResolution", 0, &Type,
(BYTE*)ResX, &Size) != ERROR_SUCCESS ||
      Type != REG_DWORD)
   {
     *ResX = 640;
+    Size = sizeof(DWORD);
   }
 
   if(RegQueryValueEx(hReg, L"DefaultSettings.YResolution", 0, &Type,
(BYTE*)ResY, &Size) != ERROR_SUCCESS ||