Support call of SendForm() from Callback(), i.e. nested call of SendForm().

[mirror_edk2.git] / MdeModulePkg / Universal / SetupBrowserDxe / Ui.c

diff --git a/MdeModulePkg/Universal/SetupBrowserDxe/Ui.c b/MdeModulePkg/Universal/SetupBrowserDxe/Ui.c
index 62c40e3606e9c1c8066f3e3e330b9853e0844be0..dacc472652dcfa6b8c249aa7f98995cc6b14983d 100644 (file)
--- a/MdeModulePkg/Universal/SetupBrowserDxe/Ui.c
+++ b/MdeModulePkg/Universal/SetupBrowserDxe/Ui.c
@@ -15,7 +15,7 @@ WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
 #include "Ui.h"\r
 #include "Setup.h"\r
 \r
-LIST_ENTRY          Menu;\r
+LIST_ENTRY          gMenuOption;\r
 LIST_ENTRY          gMenuList = INITIALIZE_LIST_HEAD_VARIABLE (gMenuList);\r
 MENU_REFRESH_ENTRY  *gMenuRefreshHead;\r
 \r
@@ -145,7 +145,7 @@ UiInitMenu (
   VOID\r
   )\r
 {\r
-  InitializeListHead (&Menu);\r
+  InitializeListHead (&gMenuOption);\r
 }\r
 \r
 \r
@@ -160,8 +160,8 @@ UiFreeMenu (
 {\r
   UI_MENU_OPTION  *MenuOption;\r
 \r
-  while (!IsListEmpty (&Menu)) {\r
-    MenuOption = MENU_OPTION_FROM_LINK (Menu.ForwardLink);\r
+  while (!IsListEmpty (&gMenuOption)) {\r
+    MenuOption = MENU_OPTION_FROM_LINK (gMenuOption.ForwardLink);\r
     RemoveEntryList (&MenuOption->Link);\r
 \r
     //\r
@@ -645,7 +645,7 @@ UiAddMenuOption (
       MenuOption->ReadOnly = TRUE;\r
     }\r
 \r
-    InsertTailList (&Menu, &MenuOption->Link);\r
+    InsertTailList (&gMenuOption, &MenuOption->Link);\r
   }\r
 \r
   return MenuOption;\r
@@ -1353,11 +1353,11 @@ ValueIsScroll (
 \r
   Temp = Direction ? CurrentPos->BackLink : CurrentPos->ForwardLink;\r
 \r
-  if (Temp == &Menu) {\r
+  if (Temp == &gMenuOption) {\r
     return TRUE;\r
   }\r
 \r
-  for (; Temp != &Menu; Temp = Direction ? Temp->BackLink : Temp->ForwardLink) {\r
+  for (; Temp != &gMenuOption; Temp = Direction ? Temp->BackLink : Temp->ForwardLink) {\r
     MenuOption = MENU_OPTION_FROM_LINK (Temp);\r
     if (IsSelectable (MenuOption)) {\r
       return FALSE;\r
@@ -1399,7 +1399,7 @@ MoveToNextStatement (
     if (IsSelectable (NextMenuOption)) {\r
       break;\r
     }\r
-    if ((GoUp ? Pos->BackLink : Pos->ForwardLink) == &Menu) {\r
+    if ((GoUp ? Pos->BackLink : Pos->ForwardLink) == &gMenuOption) {\r
       HitEnd = TRUE;\r
       break;\r
     }\r
@@ -1420,7 +1420,7 @@ MoveToNextStatement (
       if (IsSelectable (NextMenuOption)) {\r
         break;\r
       }\r
-      if ((!GoUp ? Pos->BackLink : Pos->ForwardLink) == &Menu) {\r
+      if ((!GoUp ? Pos->BackLink : Pos->ForwardLink) == &gMenuOption) {\r
         ASSERT (FALSE);\r
         break;\r
       }\r
@@ -1643,6 +1643,8 @@ UiDisplayMenu (
   BOOLEAN                         NewLine;\r
   BOOLEAN                         Repaint;\r
   BOOLEAN                         SavedValue;\r
+  BOOLEAN                         UpArrow;\r
+  BOOLEAN                         DownArrow;\r
   EFI_STATUS                      Status;\r
   EFI_INPUT_KEY                   Key;\r
   LIST_ENTRY                      *Link;\r
@@ -1679,8 +1681,8 @@ UiDisplayMenu (
   DefaultId           = 0;\r
 \r
   OutputString        = NULL;\r
-  gUpArrow            = FALSE;\r
-  gDownArrow          = FALSE;\r
+  UpArrow             = FALSE;\r
+  DownArrow           = FALSE;\r
   SkipValue           = 0;\r
   OldSkipValue        = 0;\r
   MenuRefreshEntry    = gMenuRefreshHead;\r
@@ -1708,7 +1710,7 @@ UiDisplayMenu (
   Selection->OptionCol = gPromptBlockWidth + 1 + LocalScreen.LeftColumn;\r
   Selection->Statement = NULL;\r
 \r
-  TopOfScreen = Menu.ForwardLink;\r
+  TopOfScreen = gMenuOption.ForwardLink;\r
   Repaint     = TRUE;\r
   MenuOption  = NULL;\r
 \r
@@ -1734,7 +1736,7 @@ UiDisplayMenu (
   //\r
   // Get user's selection\r
   //\r
-  NewPos = Menu.ForwardLink;\r
+  NewPos = gMenuOption.ForwardLink;\r
 \r
   gST->ConOut->EnableCursor (gST->ConOut, FALSE);\r
   UpdateStatusBar (REFRESH_STATUS_BAR, (UINT8) 0, TRUE);\r
@@ -1744,7 +1746,7 @@ UiDisplayMenu (
   while (TRUE) {\r
     switch (ControlFlag) {\r
     case CfInitialization:\r
-      if (IsListEmpty (&Menu)) {\r
+      if (IsListEmpty (&gMenuOption)) {\r
         ControlFlag = CfReadKey;\r
       } else {\r
         ControlFlag = CfCheckSelection;\r
@@ -1766,8 +1768,8 @@ UiDisplayMenu (
         //\r
         // Display menu\r
         //\r
-        gDownArrow      = FALSE;\r
-        gUpArrow        = FALSE;\r
+        DownArrow       = FALSE;\r
+        UpArrow         = FALSE;\r
         Row             = TopRow;\r
 \r
         Temp            = SkipValue;\r
@@ -1784,7 +1786,7 @@ UiDisplayMenu (
         UiFreeRefreshList ();\r
         MinRefreshInterval = 0;\r
 \r
-        for (Link = TopOfScreen; Link != &Menu; Link = Link->ForwardLink) {\r
+        for (Link = TopOfScreen; Link != &gMenuOption; Link = Link->ForwardLink) {\r
           MenuOption          = MENU_OPTION_FROM_LINK (Link);\r
           MenuOption->Row     = Row;\r
           MenuOption->Col     = Col;\r
@@ -1989,7 +1991,7 @@ UiDisplayMenu (
 \r
           if (Row > BottomRow) {\r
             if (!ValueIsScroll (FALSE, Link)) {\r
-              gDownArrow = TRUE;\r
+              DownArrow = TRUE;\r
             }\r
 \r
             Row = BottomRow + 1;\r
@@ -1998,10 +2000,10 @@ UiDisplayMenu (
         }\r
 \r
         if (!ValueIsScroll (TRUE, TopOfScreen)) {\r
-          gUpArrow = TRUE;\r
+          UpArrow = TRUE;\r
         }\r
 \r
-        if (gUpArrow) {\r
+        if (UpArrow) {\r
           gST->ConOut->SetAttribute (gST->ConOut, ARROW_TEXT | ARROW_BACKGROUND);\r
           PrintAt (\r
             LocalScreen.LeftColumn + gPromptBlockWidth + gOptionBlockWidth + 1,\r
@@ -2012,7 +2014,7 @@ UiDisplayMenu (
           gST->ConOut->SetAttribute (gST->ConOut, FIELD_TEXT | FIELD_BACKGROUND);\r
         }\r
 \r
-        if (gDownArrow) {\r
+        if (DownArrow) {\r
           gST->ConOut->SetAttribute (gST->ConOut, ARROW_TEXT | ARROW_BACKGROUND);\r
           PrintAt (\r
             LocalScreen.LeftColumn + gPromptBlockWidth + gOptionBlockWidth + 1,\r
@@ -2043,10 +2045,10 @@ UiDisplayMenu (
       Repaint     = FALSE;\r
 \r
       if (Selection->QuestionId != 0) {\r
-        NewPos = Menu.ForwardLink;\r
+        NewPos = gMenuOption.ForwardLink;\r
         SavedMenuOption = MENU_OPTION_FROM_LINK (NewPos);\r
 \r
-        while (SavedMenuOption->ThisTag->QuestionId != Selection->QuestionId && NewPos->ForwardLink != &Menu) {\r
+        while (SavedMenuOption->ThisTag->QuestionId != Selection->QuestionId && NewPos->ForwardLink != &gMenuOption) {\r
           NewPos     = NewPos->ForwardLink;\r
           SavedMenuOption = MENU_OPTION_FROM_LINK (NewPos);\r
         }\r
@@ -2439,21 +2441,21 @@ UiDisplayMenu (
         // If the screen has no menu items, and the user didn't select UiReset\r
         // ignore the selection and go back to reading keys.\r
         //\r
-        if (IsListEmpty (&Menu)) {\r
+        if (IsListEmpty (&gMenuOption)) {\r
           ControlFlag = CfReadKey;\r
           break;\r
         }\r
         //\r
         // if there is nothing logical to place a cursor on, just move on to wait for a key.\r
         //\r
-        for (Link = Menu.ForwardLink; Link != &Menu; Link = Link->ForwardLink) {\r
+        for (Link = gMenuOption.ForwardLink; Link != &gMenuOption; Link = Link->ForwardLink) {\r
           NextMenuOption = MENU_OPTION_FROM_LINK (Link);\r
           if (IsSelectable (NextMenuOption)) {\r
             break;\r
           }\r
         }\r
 \r
-        if (Link == &Menu) {\r
+        if (Link == &gMenuOption) {\r
           ControlFlag = CfPrepareToReadKey;\r
           break;\r
         }\r
@@ -2744,7 +2746,7 @@ UiDisplayMenu (
 \r
       SavedListEntry = TopOfScreen;\r
 \r
-      if (NewPos->BackLink != &Menu) {\r
+      if (NewPos->BackLink != &gMenuOption) {\r
         NewLine = TRUE;\r
         //\r
         // Adjust Date/Time position before we advance forward.\r
@@ -2754,7 +2756,7 @@ UiDisplayMenu (
         //\r
         // Caution that we have already rewind to the top, don't go backward in this situation.\r
         //\r
-        if (NewPos->BackLink != &Menu) {\r
+        if (NewPos->BackLink != &gMenuOption) {\r
           NewPos = NewPos->BackLink;\r
         }\r
 \r
@@ -2799,8 +2801,8 @@ UiDisplayMenu (
           // it means that we hit the begining MenuOption that can be focused\r
           // so we simply scroll to the top\r
           //\r
-          if (SavedListEntry != Menu.ForwardLink) {\r
-            TopOfScreen = Menu.ForwardLink;\r
+          if (SavedListEntry != gMenuOption.ForwardLink) {\r
+            TopOfScreen = gMenuOption.ForwardLink;\r
             Repaint     = TRUE;\r
           }\r
         }\r
@@ -2830,7 +2832,7 @@ UiDisplayMenu (
     case CfUiPageUp:\r
       ControlFlag     = CfCheckSelection;\r
 \r
-      if (NewPos->BackLink == &Menu) {\r
+      if (NewPos->BackLink == &gMenuOption) {\r
         NewLine = FALSE;\r
         Repaint = FALSE;\r
         break;\r
@@ -2841,7 +2843,7 @@ UiDisplayMenu (
       Link      = TopOfScreen;\r
       PreviousMenuOption = MENU_OPTION_FROM_LINK (Link);\r
       Index = BottomRow;\r
-      while ((Index >= TopRow) && (Link->BackLink != &Menu)) {\r
+      while ((Index >= TopRow) && (Link->BackLink != &gMenuOption)) {\r
         Index = Index - PreviousMenuOption->Skip;\r
         Link = Link->BackLink;\r
         PreviousMenuOption = MENU_OPTION_FROM_LINK (Link);\r
@@ -2859,7 +2861,7 @@ UiDisplayMenu (
         // This happens when there is no MenuOption can be focused from\r
         // Current MenuOption to the first MenuOption\r
         //\r
-        TopOfScreen = Menu.ForwardLink;\r
+        TopOfScreen = gMenuOption.ForwardLink;\r
       }\r
       Index += Difference;\r
       if (Index < TopRow) {\r
@@ -2884,7 +2886,7 @@ UiDisplayMenu (
     case CfUiPageDown:\r
       ControlFlag     = CfCheckSelection;\r
 \r
-      if (NewPos->ForwardLink == &Menu) {\r
+      if (NewPos->ForwardLink == &gMenuOption) {\r
         NewLine = FALSE;\r
         Repaint = FALSE;\r
         break;\r
@@ -2895,7 +2897,7 @@ UiDisplayMenu (
       Link    = TopOfScreen;\r
       NextMenuOption = MENU_OPTION_FROM_LINK (Link);\r
       Index = TopRow;\r
-      while ((Index <= BottomRow) && (Link->ForwardLink != &Menu)) {\r
+      while ((Index <= BottomRow) && (Link->ForwardLink != &gMenuOption)) {\r
         Index = Index + NextMenuOption->Skip;\r
         Link           = Link->ForwardLink;\r
         NextMenuOption = MENU_OPTION_FROM_LINK (Link);\r
@@ -2940,7 +2942,7 @@ UiDisplayMenu (
       SavedListEntry = NewPos;\r
       DistanceValue  = AdjustDateAndTimePosition (FALSE, &NewPos);\r
 \r
-      if (NewPos->ForwardLink != &Menu) {\r
+      if (NewPos->ForwardLink != &gMenuOption) {\r
         MenuOption      = MENU_OPTION_FROM_LINK (NewPos);\r
         NewLine         = TRUE;\r
         NewPos          = NewPos->ForwardLink;\r