[ekohl] 69600: USETUP: Do not ask to select language if just one language is available Patch by Carlo Bramini. Thanks a lot! CORE-10322 #resolve

Author: ekohl
Date: Sun Oct 18 13:52:51 2015
New Revision: 69600

URL: http://svn.reactos.org/svn/reactos?rev=69600&view=rev
Log:
USETUP: Do not ask to select language if just one language is available
Patch by Carlo Bramini. Thanks a lot!
CORE-10322 #resolve

Modified:
    trunk/reactos/base/setup/usetup/genlist.c
    trunk/reactos/base/setup/usetup/genlist.h
    trunk/reactos/base/setup/usetup/interface/usetup.c

Modified: trunk/reactos/base/setup/usetup/genlist.c
URL: http://svn.reactos.org/svn/reactos/trunk/reactos/base/setup/usetup/genlist.c...
==============================================================================
--- trunk/reactos/base/setup/usetup/genlist.c	[iso-8859-1] (original)
+++ trunk/reactos/base/setup/usetup/genlist.c	[iso-8859-1] Sun Oct 18 13:52:51 2015
@@ -653,4 +653,17 @@
     List->CurrentEntry = List->BackupEntry;
 }

+
+BOOL
+GenericListHasSingleEntry(
+    PGENERIC_LIST List)
+{
+    if (!IsListEmpty(&List->ListHead) && List->ListHead.Flink == List->ListHead.Blink)
+        return TRUE;
+
+    /* if both list head pointers (which normally point to the first and last list member, respectively)
+       point to the same entry then it means that there's just a single thing in there, otherwise... false! */
+    return FALSE;
+}
+
 /* EOF */

Modified: trunk/reactos/base/setup/usetup/genlist.h
URL: http://svn.reactos.org/svn/reactos/trunk/reactos/base/setup/usetup/genlist.h...
==============================================================================
--- trunk/reactos/base/setup/usetup/genlist.h	[iso-8859-1] (original)
+++ trunk/reactos/base/setup/usetup/genlist.h	[iso-8859-1] Sun Oct 18 13:52:51 2015
@@ -53,10 +53,6 @@
     SHORT Top,
     SHORT Right,
     SHORT Bottom);
-
-VOID
-DrawScrollBarGenericLis(
-    PGENERIC_LIST List);

VOID
 ScrollDownGenericList(
@@ -121,4 +117,8 @@
     PGENERIC_LIST List,
     CHAR AsciChar);

+BOOL
+GenericListHasSingleEntry(
+    PGENERIC_LIST List);
+
 /* EOF */

Modified: trunk/reactos/base/setup/usetup/interface/usetup.c
URL: http://svn.reactos.org/svn/reactos/trunk/reactos/base/setup/usetup/interface...
==============================================================================
--- trunk/reactos/base/setup/usetup/interface/usetup.c	[iso-8859-1] (original)
+++ trunk/reactos/base/setup/usetup/interface/usetup.c	[iso-8859-1] Sun Oct 18 13:52:51 2015
@@ -633,6 +633,12 @@
     /* Load the font */
     SelectedLanguageId = DefaultLanguage;
     SetConsoleCodePage();
+    UpdateKBLayout();
+
+    /* If there's just a single language in the list skip
+     * the language selection process altogether! */
+    if (GenericListHasSingleEntry(LanguageList))
+        return INTRO_PAGE;

DrawGenericList(LanguageList,
                     2,