}\r
}\r
\r
+/**\r
+ Check whether this Menu Option could be print.\r
+\r
+ Check Prompt string, option string or text two string not NULL.\r
+\r
+ This is an internal function.\r
+\r
+ @param MenuOption The MenuOption to be checked.\r
+\r
+ @retval TRUE This Menu Option is printable.\r
+ @retval FALSE This Menu Option could not be printable.\r
+\r
+**/\r
+BOOLEAN\r
+PrintableMenu (\r
+ UI_MENU_OPTION *MenuOption\r
+ )\r
+{\r
+ EFI_STATUS Status;\r
+ EFI_STRING OptionString;\r
+\r
+ OptionString = NULL;\r
+\r
+ if (MenuOption->Description[0] != '\0') {\r
+ return TRUE;\r
+ }\r
+\r
+ Status = ProcessOptions (MenuOption, FALSE, &OptionString, FALSE);\r
+ if (EFI_ERROR (Status)) {\r
+ return FALSE;\r
+ }\r
+ if (OptionString != NULL && OptionString[0] != '\0') {\r
+ FreePool (OptionString);\r
+ return TRUE;\r
+ }\r
+\r
+ if ((MenuOption->ThisTag->OpCode->OpCode == EFI_IFR_TEXT_OP) && (((EFI_IFR_TEXT*)MenuOption->ThisTag->OpCode)->TextTwo != 0)) {\r
+ OptionString = GetToken (((EFI_IFR_TEXT*)MenuOption->ThisTag->OpCode)->TextTwo, gFormData->HiiHandle);\r
+ ASSERT (OptionString != NULL);\r
+ if (OptionString[0] != '\0'){\r
+ FreePool (OptionString);\r
+ return TRUE;\r
+ }\r
+ }\r
+\r
+ return FALSE;\r
+}\r
+\r
/**\r
Check whether this Menu Option could be highlighted.\r
\r
)\r
{\r
if ((MenuOption->ThisTag->OpCode->OpCode == EFI_IFR_SUBTITLE_OP) ||\r
- MenuOption->GrayOut || MenuOption->ReadOnly) {\r
+ MenuOption->GrayOut || MenuOption->ReadOnly || !PrintableMenu (MenuOption)) {\r
return FALSE;\r
} else {\r
return TRUE;\r
@param GoUp The navigation direction. TRUE: up, FALSE: down.\r
@param CurrentPosition Current position.\r
@param GapToTop Gap position to top or bottom.\r
+ @param FindInForm Whether find menu in current form or beyond.\r
\r
@return The row distance from current MenuOption to next selectable MenuOption.\r
\r
@retval -1 Reach the begin of the menu, still can't find the selectable menu.\r
- @retval Value Find the selectable menu, maybe the truly selectable, maybe the l\r
- last menu showing at current form.\r
+ @retval Value Find the selectable menu, maybe the truly selectable, maybe the \r
+ first menu showing beyond current form or last menu showing in \r
+ current form.\r
+ The value is the line number between the new selected menu and the\r
+ current select menu, not include the new selected menu.\r
\r
**/\r
INTN\r
MoveToNextStatement (\r
IN BOOLEAN GoUp,\r
IN OUT LIST_ENTRY **CurrentPosition,\r
- IN UINTN GapToTop\r
+ IN UINTN GapToTop,\r
+ IN BOOLEAN FindInForm\r
)\r
{\r
INTN Distance;\r
\r
Distance = 0;\r
Pos = *CurrentPosition;\r
+\r
+ if (Pos == &gMenuOption) {\r
+ return -1;\r
+ }\r
+\r
PreMenuOption = MENU_OPTION_FROM_LINK (Pos);\r
\r
while (TRUE) {\r
if (NextMenuOption->Row == 0) {\r
UpdateOptionSkipLines (NextMenuOption);\r
}\r
- \r
- if (GoUp && (PreMenuOption != NextMenuOption)) {\r
- //\r
- // In this case, still can't find the selectable menu,\r
- // return the last one in the showing form.\r
- //\r
- if ((UINTN) Distance + NextMenuOption->Skip > GapToTop) {\r
- NextMenuOption = PreMenuOption;\r
- break;\r
- }\r
\r
- //\r
- // Current Position doesn't need to be caculated when go up.\r
- // Caculate distanct at first when go up\r
- // \r
- Distance += NextMenuOption->Skip;\r
+ if (IsSelectable (NextMenuOption)) {\r
+ break;\r
}\r
\r
- if (IsSelectable (NextMenuOption)) {\r
+ //\r
+ // In this case, still can't find the selectable menu,\r
+ // return the first one beyond the showing form.\r
+ //\r
+ if ((UINTN) Distance + NextMenuOption->Skip > GapToTop) {\r
+ if (FindInForm) {\r
+ NextMenuOption = PreMenuOption;\r
+ }\r
break;\r
}\r
\r
+ Distance += NextMenuOption->Skip;\r
+\r
//\r
// Arrive at begin of the menu list.\r
//\r
break;\r
}\r
\r
- if (!GoUp) {\r
- //\r
- // In this case, still can't find the selectable menu,\r
- // return the last one in the showing form.\r
- //\r
- if ((UINTN) Distance + NextMenuOption->Skip > GapToTop) {\r
- NextMenuOption = PreMenuOption;\r
- break;\r
- }\r
-\r
- Distance += NextMenuOption->Skip;\r
- }\r
-\r
- PreMenuOption = NextMenuOption;\r
Pos = (GoUp ? Pos->BackLink : Pos->ForwardLink);\r
+ PreMenuOption = NextMenuOption;\r
}\r
\r
*CurrentPosition = &NextMenuOption->Link;\r
return QuestionHeader->QuestionId;\r
}\r
\r
+\r
+/**\r
+ Find the top of screen menu base on the current menu.\r
+\r
+ @param CurPos Current input menu.\r
+ @param Rows Totol screen rows.\r
+ @param SkipValue SkipValue for this new form.\r
+\r
+ @retval TopOfScreen Top of screen menu for the new form.\r
+\r
+**/\r
+LIST_ENTRY *\r
+FindTopOfScreenMenu (\r
+ IN LIST_ENTRY *CurPos,\r
+ IN UINTN Rows,\r
+ OUT UINTN *SkipValue\r
+ )\r
+{\r
+ LIST_ENTRY *Link;\r
+ LIST_ENTRY *TopOfScreen;\r
+ UI_MENU_OPTION *PreviousMenuOption;\r
+\r
+ Link = CurPos;\r
+ PreviousMenuOption = NULL;\r
+\r
+ while (Link->BackLink != &gMenuOption) {\r
+ Link = Link->BackLink;\r
+ PreviousMenuOption = MENU_OPTION_FROM_LINK (Link);\r
+ if (PreviousMenuOption->Row == 0) {\r
+ UpdateOptionSkipLines (PreviousMenuOption);\r
+ }\r
+ if (Rows <= PreviousMenuOption->Skip) {\r
+ break;\r
+ }\r
+ Rows = Rows - PreviousMenuOption->Skip;\r
+ }\r
+\r
+ if (Link->BackLink == &gMenuOption) {\r
+ TopOfScreen = gMenuOption.ForwardLink;\r
+ if (PreviousMenuOption != NULL && Rows < PreviousMenuOption->Skip) {\r
+ *SkipValue = PreviousMenuOption->Skip - Rows;\r
+ } else {\r
+ *SkipValue = 0;\r
+ }\r
+ } else {\r
+ TopOfScreen = Link;\r
+ *SkipValue = PreviousMenuOption->Skip - Rows;\r
+ }\r
+\r
+ return TopOfScreen;\r
+}\r
+\r
/**\r
Find the first menu which will be show at the top.\r
\r
IN FORM_DISPLAY_ENGINE_FORM *FormData,\r
OUT LIST_ENTRY **TopOfScreen,\r
OUT LIST_ENTRY **HighlightMenu,\r
- OUT INTN *SkipValue\r
+ OUT UINTN *SkipValue\r
)\r
{\r
- LIST_ENTRY *Link;\r
LIST_ENTRY *NewPos;\r
UINTN TopRow;\r
UINTN BottomRow;\r
- UINTN Index;\r
UI_MENU_OPTION *SavedMenuOption;\r
- UINTN EndRow;\r
+ UINTN TmpValue;\r
\r
TopRow = gStatementDimensions.TopRow + SCROLL_ARROW_HEIGHT;\r
BottomRow = gStatementDimensions.BottomRow - SCROLL_ARROW_HEIGHT;\r
*TopOfScreen = gMenuOption.ForwardLink;\r
*HighlightMenu = gMenuOption.ForwardLink;\r
if (!IsListEmpty (&gMenuOption)) {\r
- MoveToNextStatement (FALSE, HighlightMenu, BottomRow - TopRow);\r
+ MoveToNextStatement (FALSE, HighlightMenu, BottomRow - TopRow, TRUE);\r
}\r
*SkipValue = 0;\r
return;\r
//\r
// Still show the highlight menu before exit from display engine.\r
//\r
- EndRow = gHighligthMenuInfo.DisplayRow + SavedMenuOption->Skip;\r
- } else {\r
- EndRow = BottomRow;\r
- }\r
-\r
- //\r
- // Base on the selected menu will show at the bottome of next page, \r
- // select the menu show at the top of the next page. \r
- //\r
- Link = NewPos;\r
- for (Index = TopRow + SavedMenuOption->Skip; Index <= EndRow; ) {\r
- Link = Link->BackLink;\r
- //\r
- // Already find the first menu in this form, means highlight menu \r
- // will show in first page of this form.\r
- //\r
- if (Link == &gMenuOption) {\r
- *TopOfScreen = gMenuOption.ForwardLink;\r
- *SkipValue = 0;\r
- return;\r
- }\r
- SavedMenuOption = MENU_OPTION_FROM_LINK (Link);\r
- UpdateOptionSkipLines (SavedMenuOption);\r
- Index += SavedMenuOption->Skip;\r
+ BottomRow = gHighligthMenuInfo.DisplayRow + SavedMenuOption->Skip;\r
}\r
\r
- //\r
- // Found the menu which will show at the top of the page.\r
- //\r
- if (Link == NewPos) {\r
- //\r
- // The menu can show more than one pages, just show the menu at the top of the page.\r
- //\r
- *SkipValue = 0;\r
- *TopOfScreen = Link;\r
+ if (SavedMenuOption->Skip >= BottomRow - TopRow) {\r
+ TmpValue = 0;\r
+ *TopOfScreen = NewPos;\r
} else {\r
- //\r
- // Check whether need to skip some line for menu shows at the top of the page.\r
- //\r
- *SkipValue = Index - EndRow;\r
- if (*SkipValue > 0 && *SkipValue < (INTN) SavedMenuOption->Skip) {\r
- *TopOfScreen = Link;\r
- } else {\r
- *SkipValue = 0;\r
- *TopOfScreen = Link->ForwardLink;\r
- }\r
+ *TopOfScreen = FindTopOfScreenMenu(NewPos, BottomRow - TopRow - SavedMenuOption->Skip, &TmpValue);\r
}\r
+\r
+ *SkipValue = TmpValue;\r
}\r
\r
/**\r
IN FORM_DISPLAY_ENGINE_FORM *FormData\r
)\r
{\r
- INTN SkipValue;\r
+ UINTN SkipValue;\r
INTN Difference;\r
UINTN DistanceValue;\r
UINTN Row;\r
UINTN Temp2;\r
UINTN TopRow;\r
UINTN BottomRow;\r
- UINTN OriginalRow;\r
UINTN Index;\r
UINT16 Width;\r
CHAR16 *StringPtr;\r
UINTN HelpHeaderLine;\r
UINTN HelpBottomLine;\r
BOOLEAN MultiHelpPage;\r
- UINT16 GlyphWidth;\r
UINT16 EachLineWidth;\r
UINT16 HeaderLineWidth;\r
UINT16 BottomLineWidth;\r
if (NewPos != NULL && (MenuOption == NULL || NewPos != &MenuOption->Link)) {\r
if (MenuOption != NULL) {\r
//\r
- // Remove highlight on last Menu Option\r
+ // Remove the old highlight menu.\r
//\r
- gST->ConOut->SetCursorPosition (gST->ConOut, MenuOption->Col, MenuOption->Row);\r
- ProcessOptions (MenuOption, FALSE, &OptionString, TRUE);\r
- gST->ConOut->SetAttribute (gST->ConOut, GetFieldTextColor ());\r
- if (OptionString != NULL) {\r
- if ((MenuOption->ThisTag->OpCode->OpCode == EFI_IFR_DATE_OP) ||\r
- (MenuOption->ThisTag->OpCode->OpCode == EFI_IFR_TIME_OP)\r
- ) {\r
- ProcessStringForDateTime(MenuOption, OptionString, FALSE);\r
- }\r
-\r
- Width = (UINT16) gOptionBlockWidth - 1;\r
- OriginalRow = MenuOption->Row;\r
- GlyphWidth = 1;\r
-\r
- for (Index = 0; GetLineByWidth (OptionString, Width, &GlyphWidth, &Index, &OutputString) != 0x0000;) {\r
- if ((Temp == 0) && (MenuOption->Row >= TopRow) && (MenuOption->Row <= BottomRow)) {\r
- PrintStringAt (MenuOption->OptCol, MenuOption->Row, OutputString);\r
- }\r
- //\r
- // If there is more string to process print on the next row and increment the Skip value\r
- //\r
- if (StrLen (&OptionString[Index]) != 0) {\r
- if (Temp == 0) {\r
- MenuOption->Row++;\r
- }\r
- }\r
-\r
- FreePool (OutputString);\r
- if (Temp != 0) {\r
- Temp--;\r
- }\r
- }\r
-\r
- MenuOption->Row = OriginalRow;\r
-\r
- FreePool (OptionString);\r
- } else {\r
- if (NewLine) {\r
- if (MenuOption->GrayOut) {\r
- gST->ConOut->SetAttribute (gST->ConOut, GetGrayedTextColor ());\r
- } else if (MenuOption->ThisTag->OpCode->OpCode == EFI_IFR_SUBTITLE_OP) {\r
- gST->ConOut->SetAttribute (gST->ConOut, GetSubTitleTextColor ());\r
- }\r
-\r
- OriginalRow = MenuOption->Row;\r
- Width = GetWidth (MenuOption, NULL);\r
- GlyphWidth = 1;\r
-\r
- for (Index = 0; GetLineByWidth (MenuOption->Description, Width, &GlyphWidth, &Index, &OutputString) != 0x0000;) {\r
- if ((Temp == 0) && (MenuOption->Row >= TopRow) && (MenuOption->Row <= BottomRow)) {\r
- PrintStringAt (MenuOption->Col, MenuOption->Row, OutputString);\r
- }\r
- //\r
- // If there is more string to process print on the next row and increment the Skip value\r
- //\r
- if (StrLen (&MenuOption->Description[Index]) != 0) {\r
- if (Temp == 0) {\r
- MenuOption->Row++;\r
- }\r
- }\r
-\r
- FreePool (OutputString);\r
- if (Temp != 0) {\r
- Temp--;\r
- }\r
- }\r
-\r
- MenuOption->Row = OriginalRow;\r
- gST->ConOut->SetAttribute (gST->ConOut, GetFieldTextColor ());\r
- }\r
- }\r
+ Status = DisplayOneMenu (MenuOption, \r
+ MenuOption->Col - gStatementDimensions.LeftColumn,\r
+ gStatementDimensions.LeftColumn, \r
+ Temp, \r
+ BottomRow,\r
+ FALSE\r
+ );\r
}\r
\r
//\r
break;\r
}\r
\r
- //\r
- // Set reverse attribute\r
- //\r
- gST->ConOut->SetAttribute (gST->ConOut, GetHighlightTextColor ());\r
- gST->ConOut->SetCursorPosition (gST->ConOut, MenuOption->Col, MenuOption->Row);\r
-\r
- ProcessOptions (MenuOption, FALSE, &OptionString, TRUE);\r
- if (OptionString != NULL) {\r
- if (Statement->OpCode->OpCode == EFI_IFR_DATE_OP || Statement->OpCode->OpCode == EFI_IFR_TIME_OP) {\r
- ProcessStringForDateTime(MenuOption, OptionString, FALSE);\r
- }\r
- Width = (UINT16) gOptionBlockWidth - 1;\r
-\r
- OriginalRow = MenuOption->Row;\r
- GlyphWidth = 1;\r
-\r
- for (Index = 0; GetLineByWidth (OptionString, Width, &GlyphWidth, &Index, &OutputString) != 0x0000;) {\r
- if ((Temp2 == 0) && (MenuOption->Row >= TopRow) && (MenuOption->Row <= BottomRow) ) {\r
- PrintStringAt (MenuOption->OptCol, MenuOption->Row, OutputString);\r
- }\r
- //\r
- // If there is more string to process print on the next row and increment the Skip value\r
- //\r
- if (StrLen (&OptionString[Index]) != 0) {\r
- if (Temp2 == 0) {\r
- MenuOption->Row++;\r
- }\r
- }\r
-\r
- FreePool (OutputString);\r
- if (Temp2 != 0) {\r
- Temp2--;\r
- }\r
- }\r
-\r
- MenuOption->Row = OriginalRow;\r
-\r
- FreePool (OptionString);\r
- } else {\r
- if (NewLine) {\r
- OriginalRow = MenuOption->Row;\r
-\r
- Width = GetWidth (MenuOption, NULL);\r
- GlyphWidth = 1;\r
-\r
- for (Index = 0; GetLineByWidth (MenuOption->Description, Width, &GlyphWidth, &Index, &OutputString) != 0x0000;) {\r
- if ((Temp2 == 0) && (MenuOption->Row >= TopRow) && (MenuOption->Row <= BottomRow) ) {\r
- PrintStringAt (MenuOption->Col, MenuOption->Row, OutputString);\r
- }\r
- //\r
- // If there is more string to process print on the next row and increment the Skip value\r
- //\r
- if (StrLen (&MenuOption->Description[Index]) != 0) {\r
- if (Temp2 == 0) {\r
- MenuOption->Row++;\r
- }\r
- }\r
-\r
- FreePool (OutputString);\r
- if (Temp2 != 0) {\r
- Temp2--;\r
- }\r
- }\r
-\r
- MenuOption->Row = OriginalRow;\r
-\r
- }\r
- }\r
-\r
- //\r
- // Clear reverse attribute\r
- //\r
- gST->ConOut->SetAttribute (gST->ConOut, GetFieldTextColor ());\r
+ Status = DisplayOneMenu (MenuOption, \r
+ MenuOption->Col - gStatementDimensions.LeftColumn,\r
+ gStatementDimensions.LeftColumn, \r
+ Temp2, \r
+ BottomRow,\r
+ TRUE\r
+ );\r
}\r
break;\r
\r
break;\r
}\r
\r
+ //\r
+ // NewLine means only update highlight menu (remove old highlight and highlith\r
+ // the new one), not need to full repain the form.\r
+ //\r
if (Repaint || NewLine) {\r
if (IsListEmpty (&gMenuOption)) {\r
//\r
\r
case CfUiUp:\r
ControlFlag = CfRepaint;\r
+ NewLine = TRUE;\r
\r
SavedListEntry = NewPos;\r
\r
// Adjust Date/Time position before we advance forward.\r
//\r
AdjustDateAndTimePosition (TRUE, &NewPos);\r
- if (NewPos->BackLink != &gMenuOption) {\r
- MenuOption = MENU_OPTION_FROM_LINK (NewPos);\r
- ASSERT (MenuOption != NULL);\r
- NewLine = TRUE;\r
- NewPos = NewPos->BackLink;\r
\r
- PreviousMenuOption = MENU_OPTION_FROM_LINK (NewPos);\r
- if (PreviousMenuOption->Row == 0) {\r
- UpdateOptionSkipLines (PreviousMenuOption);\r
- }\r
- DistanceValue = PreviousMenuOption->Skip;\r
- Difference = 0;\r
- if (MenuOption->Row >= DistanceValue + TopRow) {\r
- Difference = MoveToNextStatement (TRUE, &NewPos, MenuOption->Row - TopRow - DistanceValue);\r
- }\r
- NextMenuOption = MENU_OPTION_FROM_LINK (NewPos);\r
- \r
- if (Difference < 0) {\r
+ MenuOption = MENU_OPTION_FROM_LINK (NewPos);\r
+ ASSERT (MenuOption != NULL);\r
+\r
+ NewPos = NewPos->BackLink;\r
+ //\r
+ // Find next selectable menu or the first menu beyond current form.\r
+ //\r
+ Difference = MoveToNextStatement (TRUE, &NewPos, MenuOption->Row - TopRow, FALSE);\r
+ if (Difference < 0) {\r
+ //\r
+ // We hit the begining MenuOption that can be focused\r
+ // so we simply scroll to the top.\r
+ //\r
+ Repaint = TRUE;\r
+ if (TopOfScreen != gMenuOption.ForwardLink || SkipValue != 0) {\r
+ TopOfScreen = gMenuOption.ForwardLink;\r
+ NewPos = SavedListEntry;\r
+ SkipValue = 0;\r
+ } else {\r
//\r
- // We hit the begining MenuOption that can be focused\r
- // so we simply scroll to the top.\r
+ // Scroll up to the last page when we have arrived at top page.\r
//\r
- if (TopOfScreen != gMenuOption.ForwardLink) {\r
- TopOfScreen = gMenuOption.ForwardLink;\r
- Repaint = TRUE;\r
- } else {\r
- //\r
- // Scroll up to the last page when we have arrived at top page.\r
- //\r
- NewPos = &gMenuOption;\r
- TopOfScreen = &gMenuOption;\r
- MenuOption = MENU_OPTION_FROM_LINK (SavedListEntry);\r
- ScreenOperation = UiPageUp;\r
- ControlFlag = CfScreenOperation;\r
- break;\r
- }\r
- } else if (MenuOption->Row < TopRow + DistanceValue + Difference) {\r
+ TopOfScreen = FindTopOfScreenMenu (gMenuOption.BackLink, BottomRow - TopRow, &SkipValue);\r
+ NewPos = gMenuOption.BackLink;\r
+ MoveToNextStatement (TRUE, &NewPos, BottomRow - TopRow, TRUE);\r
+ }\r
+ } else {\r
+ NextMenuOption = MENU_OPTION_FROM_LINK (NewPos);\r
+\r
+ if (MenuOption->Row < TopRow + Difference + NextMenuOption->Skip) {\r
//\r
// Previous focus MenuOption is above the TopOfScreen, so we need to scroll\r
//\r
TopOfScreen = NewPos;\r
Repaint = TRUE;\r
- SkipValue = 0;\r
- } else if (!IsSelectable (NextMenuOption)) {\r
- //\r
- // Continue to go up until scroll to next page or the selectable option is found.\r
- //\r
- ScreenOperation = UiUp;\r
- ControlFlag = CfScreenOperation;\r
+ SkipValue = 0;\r
}\r
\r
//\r
- // If we encounter a Date/Time op-code set, rewind to the first op-code of the set.\r
+ // Check whether new highlight menu is selectable, if not, keep highlight on the old one.\r
//\r
- AdjustDateAndTimePosition (TRUE, &TopOfScreen);\r
- AdjustDateAndTimePosition (TRUE, &NewPos);\r
- MenuOption = MENU_OPTION_FROM_LINK (SavedListEntry);\r
- UpdateStatusBar (INPUT_ERROR, FALSE);\r
- } else {\r
- if (NewPos->ForwardLink == &gMenuOption) {\r
- NewLine = FALSE;\r
- Repaint = FALSE;\r
- break;\r
+ // BottomRow - TopRow + 1 means the total rows current forms supported.\r
+ // Difference + NextMenuOption->Skip + 1 means the distance between last highlight menu \r
+ // and new top menu. New top menu will all shows in next form, but last highlight menu \r
+ // may only shows 1 line. + 1 at right part means at least need to keep 1 line for the \r
+ // last highlight menu.\r
+ // \r
+ if (!IsSelectable(NextMenuOption) && IsSelectable(MenuOption) && \r
+ (BottomRow - TopRow + 1 >= Difference + NextMenuOption->Skip + 1)) {\r
+ NewPos = SavedListEntry;\r
}\r
- //\r
- // Scroll up to the last page.\r
- //\r
- NewPos = &gMenuOption;\r
- TopOfScreen = &gMenuOption;\r
- MenuOption = MENU_OPTION_FROM_LINK (SavedListEntry);\r
- ScreenOperation = UiPageUp;\r
- ControlFlag = CfScreenOperation;\r
- SkipValue = 0;\r
}\r
- break;\r
\r
- case CfUiPageUp:\r
- //\r
- // SkipValue means lines is skipped when show the top menu option.\r
- //\r
- ControlFlag = CfRepaint;\r
+ UpdateStatusBar (INPUT_ERROR, FALSE);\r
\r
- ASSERT(NewPos != NULL);\r
//\r
- // Already at the first menu option, Check the skip value.\r
+ // If we encounter a Date/Time op-code set, rewind to the first op-code of the set.\r
//\r
- if (NewPos->BackLink == &gMenuOption) {\r
- if (SkipValue == 0) {\r
- NewLine = FALSE;\r
- Repaint = FALSE;\r
- } else {\r
- NewLine = TRUE;\r
- Repaint = TRUE;\r
- SkipValue = 0;\r
- }\r
- break;\r
- }\r
-\r
- NewLine = TRUE;\r
- Repaint = TRUE;\r
+ AdjustDateAndTimePosition (TRUE, &TopOfScreen);\r
+ AdjustDateAndTimePosition (TRUE, &NewPos);\r
+ break;\r
\r
+ case CfUiPageUp:\r
//\r
- // SkipValue > (BottomRow - TopRow + 1) means current menu has more than one\r
- // form of options to be show, so just update the SkipValue to show the next\r
- // parts of options.\r
+ // SkipValue means lines is skipped when show the top menu option.\r
//\r
- if (SkipValue > (INTN) (BottomRow - TopRow + 1)) {\r
- SkipValue -= BottomRow - TopRow + 1;\r
- break;\r
- }\r
+ ControlFlag = CfRepaint;\r
+ NewLine = TRUE;\r
+ Repaint = TRUE;\r
\r
Link = TopOfScreen;\r
//\r
// First minus the menu of the top screen, it's value is SkipValue.\r
//\r
- Index = (BottomRow + 1) - SkipValue;\r
- while ((Index > TopRow) && (Link->BackLink != &gMenuOption)) {\r
- Link = Link->BackLink;\r
- PreviousMenuOption = MENU_OPTION_FROM_LINK (Link);\r
- if (PreviousMenuOption->Row == 0) {\r
- UpdateOptionSkipLines (PreviousMenuOption);\r
- } \r
- if (Index < PreviousMenuOption->Skip) {\r
- break;\r
- }\r
- Index = Index - PreviousMenuOption->Skip;\r
- }\r
- \r
- if ((Link->BackLink == &gMenuOption) && (Index >= TopRow)) {\r
- if (TopOfScreen == &gMenuOption) {\r
- TopOfScreen = gMenuOption.ForwardLink;\r
- NewPos = gMenuOption.BackLink;\r
- MoveToNextStatement (TRUE, &NewPos, BottomRow - TopRow);\r
- if (Index < PreviousMenuOption->Skip) {\r
- Repaint = TRUE;\r
- SkipValue = PreviousMenuOption->Skip - (Index - TopRow);\r
- } else {\r
- Repaint = FALSE;\r
- SkipValue = 0;\r
- }\r
- } else if (TopOfScreen != Link) {\r
- TopOfScreen = Link;\r
- NewPos = Link;\r
- MoveToNextStatement (FALSE, &NewPos, BottomRow - TopRow);\r
- SkipValue = 0;\r
- } else {\r
- //\r
- // Finally we know that NewPos is the last MenuOption can be focused.\r
- //\r
- if (SkipValue == 0) {\r
- Repaint = FALSE;\r
- }\r
- NewPos = Link;\r
- MoveToNextStatement (FALSE, &NewPos, BottomRow - TopRow);\r
- SkipValue = 0;\r
- }\r
- } else {\r
- if (Index > TopRow) {\r
- //\r
- // At here, only case "Index < PreviousMenuOption->Skip" can reach here.\r
- //\r
- SkipValue = PreviousMenuOption->Skip - (Index - TopRow);\r
- } else if (Index == TopRow) {\r
- SkipValue = 0;\r
- } else {\r
- SkipValue = TopRow - Index;\r
- }\r
-\r
+ if (SkipValue >= (INTN) (BottomRow - TopRow + 1)) {\r
//\r
- // Move to the option in Next page.\r
+ // SkipValue > (BottomRow - TopRow + 1) means current menu has more than one\r
+ // form of options to be show, so just update the SkipValue to show the next\r
+ // parts of options.\r
//\r
- if (TopOfScreen == &gMenuOption) {\r
- NewPos = gMenuOption.BackLink;\r
- MoveToNextStatement (TRUE, &NewPos, BottomRow - TopRow);\r
- } else {\r
- NewPos = Link;\r
- MoveToNextStatement (FALSE, &NewPos, BottomRow - TopRow);\r
- }\r
-\r
- //\r
- // There are more MenuOption needing scrolling up.\r
- //\r
- TopOfScreen = Link;\r
- MenuOption = NULL;\r
+ SkipValue -= BottomRow - TopRow + 1;\r
+ NewPos = TopOfScreen;\r
+ break;\r
+ } else {\r
+ Index = (BottomRow + 1) - SkipValue - TopRow;\r
}\r
+ \r
+ TopOfScreen = FindTopOfScreenMenu(TopOfScreen, Index, &SkipValue);\r
+ NewPos = TopOfScreen;\r
+ MoveToNextStatement (FALSE, &NewPos, BottomRow - TopRow, FALSE);\r
+ \r
+ UpdateStatusBar (INPUT_ERROR, FALSE);\r
\r
//\r
// If we encounter a Date/Time op-code set, rewind to the first op-code of the set.\r
//\r
// SkipValue means lines is skipped when show the top menu option.\r
//\r
- ControlFlag = CfRepaint;\r
-\r
- ASSERT (NewPos != NULL);\r
- if (NewPos->ForwardLink == &gMenuOption) {\r
- MenuOption = MENU_OPTION_FROM_LINK (NewPos);\r
- if (SkipValue + BottomRow - TopRow + 1 < MenuOption->Skip) {\r
- SkipValue += BottomRow - TopRow + 1;\r
- NewLine = TRUE;\r
- Repaint = TRUE;\r
- break;\r
- }\r
- NewLine = FALSE;\r
- Repaint = FALSE;\r
- break;\r
- }\r
+ ControlFlag = CfRepaint;\r
+ NewLine = TRUE;\r
+ Repaint = TRUE;\r
\r
- NewLine = TRUE;\r
- Repaint = TRUE;\r
Link = TopOfScreen;\r
NextMenuOption = MENU_OPTION_FROM_LINK (Link);\r
Index = TopRow + NextMenuOption->Skip - SkipValue;\r
\r
if ((Link->ForwardLink == &gMenuOption) && (Index <= BottomRow + 1)) {\r
//\r
- // Finally we know that NewPos is the last MenuOption can be focused.\r
+ // Highlight on the last menu which can be highlight.\r
//\r
Repaint = FALSE;\r
- MoveToNextStatement (TRUE, &Link, Index - TopRow);\r
+ MoveToNextStatement (TRUE, &Link, Index - TopRow, TRUE);\r
} else {\r
//\r
// Calculate the skip line for top of screen menu.\r
} else {\r
SkipValue = NextMenuOption->Skip - (Index - (BottomRow + 1));\r
}\r
-\r
TopOfScreen = Link;\r
MenuOption = NULL;\r
//\r
// Move to the Next selectable menu.\r
//\r
- MoveToNextStatement (FALSE, &Link, BottomRow - TopRow);\r
+ MoveToNextStatement (FALSE, &Link, BottomRow - TopRow, TRUE);\r
}\r
\r
//\r
//\r
NewPos = Link;\r
\r
+ UpdateStatusBar (INPUT_ERROR, FALSE);\r
+\r
//\r
// If we encounter a Date/Time op-code set, rewind to the first op-code of the set.\r
// Don't do this when we are already in the last page.\r
// NewPos points to the menu which is highlighted now.\r
//\r
ControlFlag = CfRepaint;\r
+ NewLine = TRUE;\r
\r
+ if (NewPos == TopOfScreen) {\r
+ Temp2 = SkipValue;\r
+ } else {\r
+ Temp2 = 0;\r
+ }\r
+\r
+ SavedListEntry = NewPos;\r
//\r
// Since the behavior of hitting the down arrow on a Date/Time op-code is intended\r
// to be one that progresses to the next set of op-codes, we need to advance to the last\r
// op-code is the last entry in the menu, we need to rewind back to the first op-code of\r
// the Date/Time op-code.\r
//\r
- SavedListEntry = NewPos;\r
AdjustDateAndTimePosition (FALSE, &NewPos);\r
\r
- if (NewPos->ForwardLink != &gMenuOption) {\r
- if (NewPos == TopOfScreen) {\r
- Temp2 = SkipValue;\r
+ MenuOption = MENU_OPTION_FROM_LINK (NewPos);\r
+ NewPos = NewPos->ForwardLink;\r
+ //\r
+ // Find the next selectable menu.\r
+ //\r
+ if (MenuOption->Row + MenuOption->Skip - Temp2 > BottomRow + 1) {\r
+ if (gMenuOption.ForwardLink == NewPos || &gMenuOption == NewPos) {\r
+ Difference = -1;\r
+ } else {\r
+ Difference = 0;\r
+ }\r
+ } else {\r
+ Difference = MoveToNextStatement (FALSE, &NewPos, BottomRow + 1 - (MenuOption->Row + MenuOption->Skip - Temp2), FALSE);\r
+ }\r
+ if (Difference < 0) {\r
+ //\r
+ // Scroll to the first page.\r
+ //\r
+ if (TopOfScreen != gMenuOption.ForwardLink || SkipValue != 0) { \r
+ TopOfScreen = gMenuOption.ForwardLink;\r
+ Repaint = TRUE;\r
+ MenuOption = NULL;\r
} else {\r
- Temp2 = 0;\r
+ MenuOption = MENU_OPTION_FROM_LINK (SavedListEntry);\r
}\r
+ NewPos = gMenuOption.ForwardLink;\r
+ MoveToNextStatement (FALSE, &NewPos, BottomRow - TopRow, TRUE);\r
\r
- MenuOption = MENU_OPTION_FROM_LINK (NewPos);\r
- NewLine = TRUE;\r
- NewPos = NewPos->ForwardLink;\r
+ SkipValue = 0;\r
+ //\r
+ // If we are at the end of the list and sitting on a Date/Time op, rewind to the head.\r
+ //\r
+ AdjustDateAndTimePosition (TRUE, &TopOfScreen);\r
+ AdjustDateAndTimePosition (TRUE, &NewPos);\r
+ break;\r
+ } \r
\r
- Difference = 0;\r
+ //\r
+ // Get next selected menu info.\r
+ //\r
+ AdjustDateAndTimePosition (FALSE, &NewPos);\r
+ NextMenuOption = MENU_OPTION_FROM_LINK (NewPos);\r
+ if (NextMenuOption->Row == 0) {\r
+ UpdateOptionSkipLines (NextMenuOption);\r
+ }\r
+\r
+ //\r
+ // Calculate new highlight menu end row.\r
+ //\r
+ Temp = (MenuOption->Row + MenuOption->Skip - Temp2) + Difference + NextMenuOption->Skip - 1;\r
+ if (Temp > BottomRow) {\r
//\r
- // Current menu not at the bottom of the form.\r
+ // Get the top screen menu info.\r
//\r
- if (BottomRow >= MenuOption->Row + MenuOption->Skip - Temp2) {\r
- //\r
- // Find the next selectable menu.\r
- //\r
- Difference = MoveToNextStatement (FALSE, &NewPos, BottomRow - MenuOption->Row - MenuOption->Skip + Temp2);\r
+ AdjustDateAndTimePosition (FALSE, &TopOfScreen);\r
+ SavedMenuOption = MENU_OPTION_FROM_LINK (TopOfScreen);\r
+\r
+ //\r
+ // Current Top screen menu occupy (SavedMenuOption->Skip - SkipValue) rows.\r
+ // Full shows the new selected menu need to skip (Temp - BottomRow - 1) rows.\r
+ //\r
+ if ((Temp - BottomRow) >= (SavedMenuOption->Skip - SkipValue)) {\r
//\r
- // We hit the end of MenuOption that can be focused\r
- // so we simply scroll to the first page.\r
+ // Skip the top op-code\r
//\r
- if (Difference < 0) {\r
- //\r
- // Scroll to the first page.\r
- //\r
- if (TopOfScreen != gMenuOption.ForwardLink) {\r
- TopOfScreen = gMenuOption.ForwardLink;\r
- Repaint = TRUE;\r
- MenuOption = NULL;\r
- } else {\r
- MenuOption = MENU_OPTION_FROM_LINK (SavedListEntry);\r
- }\r
- NewPos = gMenuOption.ForwardLink;\r
- MoveToNextStatement (FALSE, &NewPos, BottomRow - TopRow);\r
+ TopOfScreen = TopOfScreen->ForwardLink;\r
+ DistanceValue = (Temp - BottomRow) - (SavedMenuOption->Skip - SkipValue);\r
\r
- SkipValue = 0;\r
- //\r
- // If we are at the end of the list and sitting on a Date/Time op, rewind to the head.\r
- //\r
- AdjustDateAndTimePosition (TRUE, &TopOfScreen);\r
- AdjustDateAndTimePosition (TRUE, &NewPos);\r
- break;\r
- }\r
- }\r
- NextMenuOption = MENU_OPTION_FROM_LINK (NewPos);\r
- if (NextMenuOption->Row == 0) {\r
- UpdateOptionSkipLines (NextMenuOption);\r
- }\r
- DistanceValue = Difference + NextMenuOption->Skip - Temp2;\r
-\r
- Temp = MenuOption->Row + MenuOption->Skip + DistanceValue - 1;\r
- if ((MenuOption->Row + MenuOption->Skip - Temp2 == BottomRow + 1) &&\r
- (NextMenuOption->ThisTag->OpCode->OpCode == EFI_IFR_DATE_OP ||\r
- NextMenuOption->ThisTag->OpCode->OpCode == EFI_IFR_TIME_OP)\r
- ) {\r
- Temp ++;\r
- }\r
+ SavedMenuOption = MENU_OPTION_FROM_LINK (TopOfScreen);\r
\r
- //\r
- // If we are going to scroll, update TopOfScreen\r
- //\r
- if (Temp > BottomRow) {\r
- do {\r
+ //\r
+ // If we have a remainder, skip that many more op-codes until we drain the remainder\r
+ // Special case is the selected highlight menu has more than one form of menus.\r
+ //\r
+ while (DistanceValue >= SavedMenuOption->Skip && TopOfScreen != NewPos) {\r
//\r
- // Is the current top of screen a zero-advance op-code?\r
- // If so, keep moving forward till we hit a >0 advance op-code\r
+ // Since the Difference is greater than or equal to this op-code's skip value, skip it\r
//\r
+ DistanceValue = DistanceValue - (INTN) SavedMenuOption->Skip;\r
+ TopOfScreen = TopOfScreen->ForwardLink;\r
SavedMenuOption = MENU_OPTION_FROM_LINK (TopOfScreen);\r
-\r
- //\r
- // If bottom op-code is more than one line or top op-code is more than one line\r
- //\r
- if ((DistanceValue > 1) || (SavedMenuOption->Skip > 1)) {\r
- //\r
- // Is the bottom op-code greater than or equal in size to the top op-code?\r
- //\r
- if ((Temp - BottomRow) >= (SavedMenuOption->Skip - SkipValue)) {\r
- //\r
- // Skip the top op-code\r
- //\r
- TopOfScreen = TopOfScreen->ForwardLink;\r
- Difference = (Temp - BottomRow) - (SavedMenuOption->Skip - SkipValue);\r
-\r
- SavedMenuOption = MENU_OPTION_FROM_LINK (TopOfScreen);\r
-\r
- //\r
- // If we have a remainder, skip that many more op-codes until we drain the remainder\r
- //\r
- while (Difference >= (INTN) SavedMenuOption->Skip) {\r
- //\r
- // Since the Difference is greater than or equal to this op-code's skip value, skip it\r
- //\r
- Difference = Difference - (INTN) SavedMenuOption->Skip;\r
- TopOfScreen = TopOfScreen->ForwardLink;\r
- SavedMenuOption = MENU_OPTION_FROM_LINK (TopOfScreen);\r
- }\r
- //\r
- // Since we will act on this op-code in the next routine, and increment the\r
- // SkipValue, set the skips to one less than what is required.\r
- //\r
- SkipValue = Difference - 1;\r
- } else {\r
- //\r
- // Since we will act on this op-code in the next routine, and increment the\r
- // SkipValue, set the skips to one less than what is required.\r
- //\r
- SkipValue += (Temp - BottomRow) - 1;\r
- }\r
- } else {\r
- if ((SkipValue + 1) == (INTN) SavedMenuOption->Skip) {\r
- TopOfScreen = TopOfScreen->ForwardLink;\r
- break;\r
- }\r
- }\r
- //\r
- // If the op-code at the top of the screen is more than one line, let's not skip it yet\r
- // Let's set a skip flag to smoothly scroll the top of the screen.\r
- //\r
- if (SavedMenuOption->Skip > 1) {\r
- if (SavedMenuOption == NextMenuOption) {\r
- SkipValue = 0;\r
- } else {\r
- SkipValue++;\r
- }\r
- } else if (SavedMenuOption->Skip == 1) {\r
- SkipValue = 0;\r
- } else {\r
- SkipValue = 0;\r
- TopOfScreen = TopOfScreen->ForwardLink;\r
- }\r
- } while (SavedMenuOption->Skip == 0);\r
-\r
- Repaint = TRUE;\r
- } else if (!IsSelectable (NextMenuOption)) {\r
+ }\r
//\r
- // Continue to go down until scroll to next page or the selectable option is found.\r
+ // Since we will act on this op-code in the next routine, and increment the\r
+ // SkipValue, set the skips to one less than what is required.\r
//\r
- ScreenOperation = UiDown;\r
- ControlFlag = CfScreenOperation;\r
- }\r
-\r
- MenuOption = MENU_OPTION_FROM_LINK (SavedListEntry);\r
-\r
- UpdateStatusBar (INPUT_ERROR, FALSE);\r
-\r
- } else {\r
- //\r
- // Scroll to the first page.\r
- //\r
- if (TopOfScreen != gMenuOption.ForwardLink || SkipValue != 0) {\r
- TopOfScreen = gMenuOption.ForwardLink;\r
- Repaint = TRUE;\r
- MenuOption = NULL;\r
+ if (TopOfScreen != NewPos) {\r
+ SkipValue = DistanceValue;\r
+ } else {\r
+ SkipValue = 0;\r
+ }\r
} else {\r
//\r
- // Need to remove the current highlight menu.\r
- // MenuOption saved the last highlight menu info.\r
+ // Since we will act on this op-code in the next routine, and increment the\r
+ // SkipValue, set the skips to one less than what is required.\r
//\r
- MenuOption = MENU_OPTION_FROM_LINK (SavedListEntry);\r
+ SkipValue += Temp - BottomRow;\r
}\r
-\r
- SkipValue = 0;\r
- NewLine = TRUE;\r
+ Repaint = TRUE;\r
+ } else if (!IsSelectable (NextMenuOption)) {\r
//\r
- // Get the next highlight menu.\r
+ // Continue to go down until scroll to next page or the selectable option is found.\r
//\r
- NewPos = gMenuOption.ForwardLink;\r
- MoveToNextStatement (FALSE, &NewPos, BottomRow - TopRow);\r
+ ScreenOperation = UiDown;\r
+ ControlFlag = CfScreenOperation;\r
+ break;\r
+ }\r
+\r
+ MenuOption = MENU_OPTION_FROM_LINK (SavedListEntry);\r
+\r
+ //\r
+ // Check whether new highlight menu is selectable, if not, keep highlight on the old one.\r
+ //\r
+ // BottomRow - TopRow + 1 means the total rows current forms supported.\r
+ // Difference + NextMenuOption->Skip + 1 means the distance between last highlight menu \r
+ // and new top menu. New top menu will all shows in next form, but last highlight menu \r
+ // may only shows 1 line. + 1 at right part means at least need to keep 1 line for the \r
+ // last highlight menu.\r
+ // \r
+ if (!IsSelectable (NextMenuOption) && IsSelectable (MenuOption) && \r
+ (BottomRow - TopRow + 1 >= Difference + NextMenuOption->Skip + 1)) {\r
+ NewPos = SavedListEntry;\r
}\r
\r
+ UpdateStatusBar (INPUT_ERROR, FALSE);\r
+\r
//\r
// If we are at the end of the list and sitting on a Date/Time op, rewind to the head.\r
//\r
projects / mirror_edk2.git / blobdiff