[hpoussin] 33450: Better encapsulation of generic list

Author: hpoussin
Date: Sun May 11 16:17:57 2008
New Revision: 33450

URL: http://svn.reactos.org/svn/reactos?rev=33450&view=rev
Log:
Better encapsulation of generic list

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

Modified: trunk/reactos/base/setup/usetup/genlist.c
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/base/setup/usetup/genlist.…
==============================================================================
--- trunk/reactos/base/setup/usetup/genlist.c [iso-8859-1] (original)
+++ trunk/reactos/base/setup/usetup/genlist.c [iso-8859-1] Sun May 11 16:17:57 2008
@@ -33,6 +33,28 @@
 
 /* FUNCTIONS ****************************************************************/
 
+typedef struct _GENERIC_LIST_ENTRY
+{
+    LIST_ENTRY Entry;
+    PGENERIC_LIST List;
+    PVOID UserData;
+    CHAR Text[1];
+} GENERIC_LIST_ENTRY;
+
+
+typedef struct _GENERIC_LIST
+{
+    LIST_ENTRY ListHead;
+
+    SHORT Left;
+    SHORT Top;
+    SHORT Right;
+    SHORT Bottom;
+
+    PGENERIC_LIST_ENTRY CurrentEntry;
+    PGENERIC_LIST_ENTRY BackupEntry;
+} GENERIC_LIST;
+
 PGENERIC_LIST
 CreateGenericList(VOID)
 {
@@ -98,6 +120,7 @@
         return FALSE;
 
     strcpy (Entry->Text, Text);
+    Entry->List = List;
     Entry->UserData = UserData;
 
     InsertTailList(&List->ListHead,
@@ -313,6 +336,59 @@
     }
 }
 
+
+VOID
+SetCurrentListEntry(PGENERIC_LIST List, PGENERIC_LIST_ENTRY Entry)
+{
+    if (Entry->List != List)
+        return;
+    List->CurrentEntry = Entry;
+}
+
+
+PGENERIC_LIST_ENTRY
+GetCurrentListEntry(PGENERIC_LIST List)
+{
+    return List->CurrentEntry;
+}
+
+
+PGENERIC_LIST_ENTRY
+GetFirstListEntry(PGENERIC_LIST List)
+{
+    PLIST_ENTRY Entry = List->ListHead.Flink;
+
+    if (Entry == &List->ListHead)
+        return NULL;
+    return CONTAINING_RECORD(Entry, GENERIC_LIST_ENTRY, Entry);
+}
+
+
+PGENERIC_LIST_ENTRY
+GetNextListEntry(PGENERIC_LIST_ENTRY Entry)
+{
+    PLIST_ENTRY Next = Entry->Entry.Flink;
+
+    if (Next == &Entry->List->ListHead)
+        return NULL;
+    return CONTAINING_RECORD(Next, GENERIC_LIST_ENTRY, Entry);
+}
+
+
+PVOID
+GetListEntryUserData(PGENERIC_LIST_ENTRY List)
+{
+    return List->UserData;
+}
+
+
+LPCSTR
+GetListEntryText(PGENERIC_LIST_ENTRY List)
+{
+    return List->Text;
+}
+
+
 VOID
 GenericListKeyPress (PGENERIC_LIST GenericList, CHAR AsciChar)
 {
@@ -355,12 +431,6 @@
         DrawListEntries(GenericList);
 }
 
-PGENERIC_LIST_ENTRY
-GetGenericListEntry(PGENERIC_LIST List)
-{
-    return List->CurrentEntry;
-}
-
 
 VOID
 SaveGenericListState(PGENERIC_LIST List)

Modified: trunk/reactos/base/setup/usetup/genlist.h
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/base/setup/usetup/genlist.…
==============================================================================
--- trunk/reactos/base/setup/usetup/genlist.h [iso-8859-1] (original)
+++ trunk/reactos/base/setup/usetup/genlist.h [iso-8859-1] Sun May 11 16:17:57 2008
@@ -27,28 +27,10 @@
 #ifndef __GENLIST_H__
 #define __GENLIST_H__
 
-typedef struct _GENERIC_LIST_ENTRY
-{
-    LIST_ENTRY Entry;
-    PVOID UserData;
-    CHAR Text[1];
-} GENERIC_LIST_ENTRY, *PGENERIC_LIST_ENTRY;
-
-
-typedef struct _GENERIC_LIST
-{
-    LIST_ENTRY ListHead;
-
-    SHORT Left;
-    SHORT Top;
-    SHORT Right;
-    SHORT Bottom;
-
-    PGENERIC_LIST_ENTRY CurrentEntry;
-    PGENERIC_LIST_ENTRY BackupEntry;
-} GENERIC_LIST, *PGENERIC_LIST;
-
-
+struct _GENERIC_LIST_ENTRY;
+typedef struct _GENERIC_LIST_ENTRY *PGENERIC_LIST_ENTRY;
+struct _GENERIC_LIST;
+typedef struct _GENERIC_LIST *PGENERIC_LIST;
 
 PGENERIC_LIST
 CreateGenericList(VOID);
@@ -76,8 +58,23 @@
 VOID
 ScrollUpGenericList(PGENERIC_LIST List);
 
+VOID
+SetCurrentListEntry(PGENERIC_LIST List, PGENERIC_LIST_ENTRY Entry);
+
 PGENERIC_LIST_ENTRY
-GetGenericListEntry(PGENERIC_LIST List);
+GetCurrentListEntry(PGENERIC_LIST List);
+
+PGENERIC_LIST_ENTRY
+GetFirstListEntry(PGENERIC_LIST List);
+
+PGENERIC_LIST_ENTRY
+GetNextListEntry(PGENERIC_LIST_ENTRY Entry);
+
+PVOID
+GetListEntryUserData(PGENERIC_LIST_ENTRY List);
+
+LPCSTR
+GetListEntryText(PGENERIC_LIST_ENTRY List);
 
 VOID
 SaveGenericListState(PGENERIC_LIST List);

Modified: trunk/reactos/base/setup/usetup/interface/usetup.c
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/base/setup/usetup/interfac…
==============================================================================
--- trunk/reactos/base/setup/usetup/interface/usetup.c [iso-8859-1] (original)
+++ trunk/reactos/base/setup/usetup/interface/usetup.c [iso-8859-1] Sun May 11 16:17:57
2008
@@ -563,7 +563,6 @@
 VOID
 UpdateKBLayout(VOID)
 {
-    PLIST_ENTRY Entry;
     PGENERIC_LIST_ENTRY ListEntry;
     LPCWSTR pszNewLayout;
 
@@ -574,22 +573,20 @@
         LayoutList = CreateKeyboardLayoutList(SetupInf, DefaultKBLayout);
     }
 
-    Entry = LayoutList->ListHead.Flink;
+    ListEntry = GetFirstListEntry(LayoutList);
 
     /* Search for default layout (if provided) */
     if (pszNewLayout != NULL)
     {
-        while (Entry != &LayoutList->ListHead)
-        {
-            ListEntry = CONTAINING_RECORD (Entry, GENERIC_LIST_ENTRY, Entry);
-
-            if (!wcscmp(pszNewLayout, ListEntry->UserData))
-            {
-                LayoutList->CurrentEntry = ListEntry;
+        while (ListEntry != NULL)
+        {
+            if (!wcscmp(pszNewLayout, GetListEntryUserData(ListEntry)))
+            {
+                SetCurrentListEntry(LayoutList, ListEntry);
                 break;
             }
 
-            Entry = Entry->Flink;
+            ListEntry = GetNextListEntry(ListEntry);
         }
     }
 }
@@ -647,7 +644,7 @@
         }
         else if (Ir->Event.KeyEvent.uChar.AsciiChar == 0x0D)  /* ENTER */
         {
-            SelectedLanguageId = (PWCHAR)LanguageList->CurrentEntry->UserData;
+            SelectedLanguageId =
(PWCHAR)GetListEntryUserData(GetCurrentListEntry(LanguageList));
 
             if (wcscmp(SelectedLanguageId, DefaultLanguage))
             {
@@ -1019,10 +1016,10 @@
     MUIDisplayPage(DEVICE_SETTINGS_PAGE);
 
 
-    CONSOLE_SetTextXY(25, 11, GetGenericListEntry(ComputerList)->Text);
-    CONSOLE_SetTextXY(25, 12, GetGenericListEntry(DisplayList)->Text);
-    CONSOLE_SetTextXY(25, 13, GetGenericListEntry(KeyboardList)->Text);
-    CONSOLE_SetTextXY(25, 14, GetGenericListEntry(LayoutList)->Text);
+    CONSOLE_SetTextXY(25, 11, GetListEntryText(GetCurrentListEntry((ComputerList))));
+    CONSOLE_SetTextXY(25, 12, GetListEntryText(GetCurrentListEntry((DisplayList))));
+    CONSOLE_SetTextXY(25, 13, GetListEntryText(GetCurrentListEntry((KeyboardList))));
+    CONSOLE_SetTextXY(25, 14, GetListEntryText(GetCurrentListEntry((LayoutList))));
 
     CONSOLE_InvertTextXY(24, Line, 48, 1);
 

Modified: trunk/reactos/base/setup/usetup/settings.c
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/base/setup/usetup/settings…
==============================================================================
--- trunk/reactos/base/setup/usetup/settings.c [iso-8859-1] (original)
+++ trunk/reactos/base/setup/usetup/settings.c [iso-8859-1] Sun May 11 16:17:57 2008
@@ -485,15 +485,15 @@
 
     DPRINT("ProcessComputerFiles() called\n");
 
-    Entry = GetGenericListEntry(List);
+    Entry = GetCurrentListEntry(List);
     if (Entry == NULL)
     {
-        DPRINT("GetGenericListEntry() failed\n");
+        DPRINT("GetCurrentListEntry() failed\n");
         return FALSE;
     }
 
     wcscpy(SectionName, L"Files.");
-    wcscat(SectionName, (const wchar_t*) Entry->UserData);
+    wcscat(SectionName, (const wchar_t*)GetListEntryUserData(Entry));
     *AdditionalSectionName = SectionName;
 
     return TRUE;
@@ -514,14 +514,14 @@
 
     DPRINT("ProcessDisplayRegistry() called\n");
 
-    Entry = GetGenericListEntry(List);
+    Entry = GetCurrentListEntry(List);
     if (Entry == NULL)
     {
-        DPRINT("GetGenericListEntry() failed\n");
-        return FALSE;
-    }
-
-    if (!SetupFindFirstLineW(InfFile, L"Display", (WCHAR*) Entry->UserData,
&Context))
+        DPRINT("GetCurrentListEntry() failed\n");
+        return FALSE;
+    }
+
+    if (!SetupFindFirstLineW(InfFile, L"Display",
(WCHAR*)GetListEntryUserData(Entry), &Context))
     {
         DPRINT("SetupFindFirstLineW() failed\n");
         return FALSE;
@@ -629,11 +629,11 @@
     HANDLE KeyHandle;
     NTSTATUS Status;
 
-    Entry = GetGenericListEntry(List);
+    Entry = GetCurrentListEntry(List);
     if (Entry == NULL)
         return FALSE;
 
-    LanguageId = (PWCHAR)Entry->UserData;
+    LanguageId = (PWCHAR)GetListEntryUserData(Entry);
     if (LanguageId == NULL)
         return FALSE;
 
@@ -877,11 +877,11 @@
     NTSTATUS Status;
     PKEY_VALUE_PARTIAL_INFORMATION ValueInfo;
 
-    Entry = GetGenericListEntry(List);
+    Entry = GetCurrentListEntry(List);
     if (Entry == NULL)
         return FALSE;
 
-    LanguageId = (PWCHAR)Entry->UserData;
+    LanguageId = (PWCHAR)GetListEntryUserData(Entry);
     if (LanguageId == NULL)
         return FALSE;