X-Git-Url: https://git.proxmox.com/?p=mirror_edk2.git;a=blobdiff_plain;f=MdeModulePkg%2FUniversal%2FDisplayEngineDxe%2FFormDisplay.c;h=e2c6b292255aebadad5918feda84fe7d57863839;hp=1b754cf82bd8f54af4931ee7bd092347c4ec3622;hb=ab369468265cd29a90b385a6e950eda3da16636d;hpb=78322c85aea37f20de912f019b5fdfe1d2282041 diff --git a/MdeModulePkg/Universal/DisplayEngineDxe/FormDisplay.c b/MdeModulePkg/Universal/DisplayEngineDxe/FormDisplay.c index 1b754cf82b..e2c6b29225 100644 --- a/MdeModulePkg/Universal/DisplayEngineDxe/FormDisplay.c +++ b/MdeModulePkg/Universal/DisplayEngineDxe/FormDisplay.c @@ -852,6 +852,54 @@ UpdateOptionSkipLines ( } } +/** + Check whether this Menu Option could be print. + + Check Prompt string, option string or text two string not NULL. + + This is an internal function. + + @param MenuOption The MenuOption to be checked. + + @retval TRUE This Menu Option is printable. + @retval FALSE This Menu Option could not be printable. + +**/ +BOOLEAN +PrintableMenu ( + UI_MENU_OPTION *MenuOption + ) +{ + EFI_STATUS Status; + EFI_STRING OptionString; + + OptionString = NULL; + + if (MenuOption->Description[0] != '\0') { + return TRUE; + } + + Status = ProcessOptions (MenuOption, FALSE, &OptionString, FALSE); + if (EFI_ERROR (Status)) { + return FALSE; + } + if (OptionString != NULL && OptionString[0] != '\0') { + FreePool (OptionString); + return TRUE; + } + + if ((MenuOption->ThisTag->OpCode->OpCode == EFI_IFR_TEXT_OP) && (((EFI_IFR_TEXT*)MenuOption->ThisTag->OpCode)->TextTwo != 0)) { + OptionString = GetToken (((EFI_IFR_TEXT*)MenuOption->ThisTag->OpCode)->TextTwo, gFormData->HiiHandle); + ASSERT (OptionString != NULL); + if (OptionString[0] != '\0'){ + FreePool (OptionString); + return TRUE; + } + } + + return FALSE; +} + /** Check whether this Menu Option could be highlighted. @@ -869,7 +917,7 @@ IsSelectable ( ) { if ((MenuOption->ThisTag->OpCode->OpCode == EFI_IFR_SUBTITLE_OP) || - MenuOption->GrayOut || MenuOption->ReadOnly) { + MenuOption->GrayOut || MenuOption->ReadOnly || !PrintableMenu (MenuOption)) { return FALSE; } else { return TRUE; @@ -884,19 +932,24 @@ IsSelectable ( @param GoUp The navigation direction. TRUE: up, FALSE: down. @param CurrentPosition Current position. @param GapToTop Gap position to top or bottom. + @param FindInForm Whether find menu in current form or beyond. @return The row distance from current MenuOption to next selectable MenuOption. @retval -1 Reach the begin of the menu, still can't find the selectable menu. - @retval Value Find the selectable menu, maybe the truly selectable, maybe the l - last menu showing at current form. + @retval Value Find the selectable menu, maybe the truly selectable, maybe the + first menu showing beyond current form or last menu showing in + current form. + The value is the line number between the new selected menu and the + current select menu, not include the new selected menu. **/ INTN MoveToNextStatement ( IN BOOLEAN GoUp, IN OUT LIST_ENTRY **CurrentPosition, - IN UINTN GapToTop + IN UINTN GapToTop, + IN BOOLEAN FindInForm ) { INTN Distance; @@ -906,6 +959,11 @@ MoveToNextStatement ( Distance = 0; Pos = *CurrentPosition; + + if (Pos == &gMenuOption) { + return -1; + } + PreMenuOption = MENU_OPTION_FROM_LINK (Pos); while (TRUE) { @@ -917,28 +975,24 @@ MoveToNextStatement ( if (NextMenuOption->Row == 0) { UpdateOptionSkipLines (NextMenuOption); } - - if (GoUp && (PreMenuOption != NextMenuOption)) { - // - // In this case, still can't find the selectable menu, - // return the last one in the showing form. - // - if ((UINTN) Distance + NextMenuOption->Skip > GapToTop) { - NextMenuOption = PreMenuOption; - break; - } - // - // Current Position doesn't need to be caculated when go up. - // Caculate distanct at first when go up - // - Distance += NextMenuOption->Skip; + if (IsSelectable (NextMenuOption)) { + break; } - if (IsSelectable (NextMenuOption)) { + // + // In this case, still can't find the selectable menu, + // return the first one beyond the showing form. + // + if ((UINTN) Distance + NextMenuOption->Skip > GapToTop) { + if (FindInForm) { + NextMenuOption = PreMenuOption; + } break; } + Distance += NextMenuOption->Skip; + // // Arrive at begin of the menu list. // @@ -947,21 +1001,8 @@ MoveToNextStatement ( break; } - if (!GoUp) { - // - // In this case, still can't find the selectable menu, - // return the last one in the showing form. - // - if ((UINTN) Distance + NextMenuOption->Skip > GapToTop) { - NextMenuOption = PreMenuOption; - break; - } - - Distance += NextMenuOption->Skip; - } - - PreMenuOption = NextMenuOption; Pos = (GoUp ? Pos->BackLink : Pos->ForwardLink); + PreMenuOption = NextMenuOption; } *CurrentPosition = &NextMenuOption->Link; @@ -1355,6 +1396,58 @@ GetQuestionIdInfo ( return QuestionHeader->QuestionId; } + +/** + Find the top of screen menu base on the current menu. + + @param CurPos Current input menu. + @param Rows Totol screen rows. + @param SkipValue SkipValue for this new form. + + @retval TopOfScreen Top of screen menu for the new form. + +**/ +LIST_ENTRY * +FindTopOfScreenMenu ( + IN LIST_ENTRY *CurPos, + IN UINTN Rows, + OUT UINTN *SkipValue + ) +{ + LIST_ENTRY *Link; + LIST_ENTRY *TopOfScreen; + UI_MENU_OPTION *PreviousMenuOption; + + Link = CurPos; + PreviousMenuOption = NULL; + + while (Link->BackLink != &gMenuOption) { + Link = Link->BackLink; + PreviousMenuOption = MENU_OPTION_FROM_LINK (Link); + if (PreviousMenuOption->Row == 0) { + UpdateOptionSkipLines (PreviousMenuOption); + } + if (Rows <= PreviousMenuOption->Skip) { + break; + } + Rows = Rows - PreviousMenuOption->Skip; + } + + if (Link->BackLink == &gMenuOption) { + TopOfScreen = gMenuOption.ForwardLink; + if (PreviousMenuOption != NULL && Rows < PreviousMenuOption->Skip) { + *SkipValue = PreviousMenuOption->Skip - Rows; + } else { + *SkipValue = 0; + } + } else { + TopOfScreen = Link; + *SkipValue = PreviousMenuOption->Skip - Rows; + } + + return TopOfScreen; +} + /** Find the first menu which will be show at the top. @@ -1369,16 +1462,14 @@ FindTopMenu ( IN FORM_DISPLAY_ENGINE_FORM *FormData, OUT LIST_ENTRY **TopOfScreen, OUT LIST_ENTRY **HighlightMenu, - OUT INTN *SkipValue + OUT UINTN *SkipValue ) { - LIST_ENTRY *Link; LIST_ENTRY *NewPos; UINTN TopRow; UINTN BottomRow; - UINTN Index; UI_MENU_OPTION *SavedMenuOption; - UINTN EndRow; + UINTN TmpValue; TopRow = gStatementDimensions.TopRow + SCROLL_ARROW_HEIGHT; BottomRow = gStatementDimensions.BottomRow - SCROLL_ARROW_HEIGHT; @@ -1390,7 +1481,7 @@ FindTopMenu ( *TopOfScreen = gMenuOption.ForwardLink; *HighlightMenu = gMenuOption.ForwardLink; if (!IsListEmpty (&gMenuOption)) { - MoveToNextStatement (FALSE, HighlightMenu, BottomRow - TopRow); + MoveToNextStatement (FALSE, HighlightMenu, BottomRow - TopRow, TRUE); } *SkipValue = 0; return; @@ -1431,53 +1522,17 @@ FindTopMenu ( // // Still show the highlight menu before exit from display engine. // - EndRow = gHighligthMenuInfo.DisplayRow + SavedMenuOption->Skip; - } else { - EndRow = BottomRow; - } - - // - // Base on the selected menu will show at the bottome of next page, - // select the menu show at the top of the next page. - // - Link = NewPos; - for (Index = TopRow + SavedMenuOption->Skip; Index <= EndRow; ) { - Link = Link->BackLink; - // - // Already find the first menu in this form, means highlight menu - // will show in first page of this form. - // - if (Link == &gMenuOption) { - *TopOfScreen = gMenuOption.ForwardLink; - *SkipValue = 0; - return; - } - SavedMenuOption = MENU_OPTION_FROM_LINK (Link); - UpdateOptionSkipLines (SavedMenuOption); - Index += SavedMenuOption->Skip; + BottomRow = gHighligthMenuInfo.DisplayRow + SavedMenuOption->Skip; } - // - // Found the menu which will show at the top of the page. - // - if (Link == NewPos) { - // - // The menu can show more than one pages, just show the menu at the top of the page. - // - *SkipValue = 0; - *TopOfScreen = Link; + if (SavedMenuOption->Skip >= BottomRow - TopRow) { + TmpValue = 0; + *TopOfScreen = NewPos; } else { - // - // Check whether need to skip some line for menu shows at the top of the page. - // - *SkipValue = Index - EndRow; - if (*SkipValue > 0 && *SkipValue < (INTN) SavedMenuOption->Skip) { - *TopOfScreen = Link; - } else { - *SkipValue = 0; - *TopOfScreen = Link->ForwardLink; - } + *TopOfScreen = FindTopOfScreenMenu(NewPos, BottomRow - TopRow - SavedMenuOption->Skip, &TmpValue); } + + *SkipValue = TmpValue; } /** @@ -1907,7 +1962,7 @@ UiDisplayMenu ( IN FORM_DISPLAY_ENGINE_FORM *FormData ) { - INTN SkipValue; + UINTN SkipValue; INTN Difference; UINTN DistanceValue; UINTN Row; @@ -1916,7 +1971,6 @@ UiDisplayMenu ( UINTN Temp2; UINTN TopRow; UINTN BottomRow; - UINTN OriginalRow; UINTN Index; UINT16 Width; CHAR16 *StringPtr; @@ -1951,7 +2005,6 @@ UiDisplayMenu ( UINTN HelpHeaderLine; UINTN HelpBottomLine; BOOLEAN MultiHelpPage; - UINT16 GlyphWidth; UINT16 EachLineWidth; UINT16 HeaderLineWidth; UINT16 BottomLineWidth; @@ -2212,79 +2265,15 @@ UiDisplayMenu ( if (NewPos != NULL && (MenuOption == NULL || NewPos != &MenuOption->Link)) { if (MenuOption != NULL) { // - // Remove highlight on last Menu Option + // Remove the old highlight menu. // - gST->ConOut->SetCursorPosition (gST->ConOut, MenuOption->Col, MenuOption->Row); - ProcessOptions (MenuOption, FALSE, &OptionString, TRUE); - gST->ConOut->SetAttribute (gST->ConOut, GetFieldTextColor ()); - if (OptionString != NULL) { - if ((MenuOption->ThisTag->OpCode->OpCode == EFI_IFR_DATE_OP) || - (MenuOption->ThisTag->OpCode->OpCode == EFI_IFR_TIME_OP) - ) { - ProcessStringForDateTime(MenuOption, OptionString, FALSE); - } - - Width = (UINT16) gOptionBlockWidth - 1; - OriginalRow = MenuOption->Row; - GlyphWidth = 1; - - for (Index = 0; GetLineByWidth (OptionString, Width, &GlyphWidth, &Index, &OutputString) != 0x0000;) { - if ((Temp == 0) && (MenuOption->Row >= TopRow) && (MenuOption->Row <= BottomRow)) { - PrintStringAt (MenuOption->OptCol, MenuOption->Row, OutputString); - } - // - // If there is more string to process print on the next row and increment the Skip value - // - if (StrLen (&OptionString[Index]) != 0) { - if (Temp == 0) { - MenuOption->Row++; - } - } - - FreePool (OutputString); - if (Temp != 0) { - Temp--; - } - } - - MenuOption->Row = OriginalRow; - - FreePool (OptionString); - } else { - if (NewLine) { - if (MenuOption->GrayOut) { - gST->ConOut->SetAttribute (gST->ConOut, GetGrayedTextColor ()); - } else if (MenuOption->ThisTag->OpCode->OpCode == EFI_IFR_SUBTITLE_OP) { - gST->ConOut->SetAttribute (gST->ConOut, GetSubTitleTextColor ()); - } - - OriginalRow = MenuOption->Row; - Width = GetWidth (MenuOption, NULL); - GlyphWidth = 1; - - for (Index = 0; GetLineByWidth (MenuOption->Description, Width, &GlyphWidth, &Index, &OutputString) != 0x0000;) { - if ((Temp == 0) && (MenuOption->Row >= TopRow) && (MenuOption->Row <= BottomRow)) { - PrintStringAt (MenuOption->Col, MenuOption->Row, OutputString); - } - // - // If there is more string to process print on the next row and increment the Skip value - // - if (StrLen (&MenuOption->Description[Index]) != 0) { - if (Temp == 0) { - MenuOption->Row++; - } - } - - FreePool (OutputString); - if (Temp != 0) { - Temp--; - } - } - - MenuOption->Row = OriginalRow; - gST->ConOut->SetAttribute (gST->ConOut, GetFieldTextColor ()); - } - } + Status = DisplayOneMenu (MenuOption, + MenuOption->Col - gStatementDimensions.LeftColumn, + gStatementDimensions.LeftColumn, + Temp, + BottomRow, + FALSE + ); } // @@ -2299,79 +2288,13 @@ UiDisplayMenu ( break; } - // - // Set reverse attribute - // - gST->ConOut->SetAttribute (gST->ConOut, GetHighlightTextColor ()); - gST->ConOut->SetCursorPosition (gST->ConOut, MenuOption->Col, MenuOption->Row); - - ProcessOptions (MenuOption, FALSE, &OptionString, TRUE); - if (OptionString != NULL) { - if (Statement->OpCode->OpCode == EFI_IFR_DATE_OP || Statement->OpCode->OpCode == EFI_IFR_TIME_OP) { - ProcessStringForDateTime(MenuOption, OptionString, FALSE); - } - Width = (UINT16) gOptionBlockWidth - 1; - - OriginalRow = MenuOption->Row; - GlyphWidth = 1; - - for (Index = 0; GetLineByWidth (OptionString, Width, &GlyphWidth, &Index, &OutputString) != 0x0000;) { - if ((Temp2 == 0) && (MenuOption->Row >= TopRow) && (MenuOption->Row <= BottomRow) ) { - PrintStringAt (MenuOption->OptCol, MenuOption->Row, OutputString); - } - // - // If there is more string to process print on the next row and increment the Skip value - // - if (StrLen (&OptionString[Index]) != 0) { - if (Temp2 == 0) { - MenuOption->Row++; - } - } - - FreePool (OutputString); - if (Temp2 != 0) { - Temp2--; - } - } - - MenuOption->Row = OriginalRow; - - FreePool (OptionString); - } else { - if (NewLine) { - OriginalRow = MenuOption->Row; - - Width = GetWidth (MenuOption, NULL); - GlyphWidth = 1; - - for (Index = 0; GetLineByWidth (MenuOption->Description, Width, &GlyphWidth, &Index, &OutputString) != 0x0000;) { - if ((Temp2 == 0) && (MenuOption->Row >= TopRow) && (MenuOption->Row <= BottomRow) ) { - PrintStringAt (MenuOption->Col, MenuOption->Row, OutputString); - } - // - // If there is more string to process print on the next row and increment the Skip value - // - if (StrLen (&MenuOption->Description[Index]) != 0) { - if (Temp2 == 0) { - MenuOption->Row++; - } - } - - FreePool (OutputString); - if (Temp2 != 0) { - Temp2--; - } - } - - MenuOption->Row = OriginalRow; - - } - } - - // - // Clear reverse attribute - // - gST->ConOut->SetAttribute (gST->ConOut, GetFieldTextColor ()); + Status = DisplayOneMenu (MenuOption, + MenuOption->Col - gStatementDimensions.LeftColumn, + gStatementDimensions.LeftColumn, + Temp2, + BottomRow, + TRUE + ); } break; @@ -2381,6 +2304,10 @@ UiDisplayMenu ( break; } + // + // NewLine means only update highlight menu (remove old highlight and highlith + // the new one), not need to full repain the form. + // if (Repaint || NewLine) { if (IsListEmpty (&gMenuOption)) { // @@ -2844,6 +2771,7 @@ UiDisplayMenu ( case CfUiUp: ControlFlag = CfRepaint; + NewLine = TRUE; SavedListEntry = NewPos; @@ -2852,191 +2780,99 @@ UiDisplayMenu ( // Adjust Date/Time position before we advance forward. // AdjustDateAndTimePosition (TRUE, &NewPos); - if (NewPos->BackLink != &gMenuOption) { - MenuOption = MENU_OPTION_FROM_LINK (NewPos); - ASSERT (MenuOption != NULL); - NewLine = TRUE; - NewPos = NewPos->BackLink; - PreviousMenuOption = MENU_OPTION_FROM_LINK (NewPos); - if (PreviousMenuOption->Row == 0) { - UpdateOptionSkipLines (PreviousMenuOption); - } - DistanceValue = PreviousMenuOption->Skip; - Difference = 0; - if (MenuOption->Row >= DistanceValue + TopRow) { - Difference = MoveToNextStatement (TRUE, &NewPos, MenuOption->Row - TopRow - DistanceValue); - } - NextMenuOption = MENU_OPTION_FROM_LINK (NewPos); - - if (Difference < 0) { + MenuOption = MENU_OPTION_FROM_LINK (NewPos); + ASSERT (MenuOption != NULL); + + NewPos = NewPos->BackLink; + // + // Find next selectable menu or the first menu beyond current form. + // + Difference = MoveToNextStatement (TRUE, &NewPos, MenuOption->Row - TopRow, FALSE); + if (Difference < 0) { + // + // We hit the begining MenuOption that can be focused + // so we simply scroll to the top. + // + Repaint = TRUE; + if (TopOfScreen != gMenuOption.ForwardLink || SkipValue != 0) { + TopOfScreen = gMenuOption.ForwardLink; + NewPos = SavedListEntry; + SkipValue = 0; + } else { // - // We hit the begining MenuOption that can be focused - // so we simply scroll to the top. + // Scroll up to the last page when we have arrived at top page. // - if (TopOfScreen != gMenuOption.ForwardLink) { - TopOfScreen = gMenuOption.ForwardLink; - Repaint = TRUE; - } else { - // - // Scroll up to the last page when we have arrived at top page. - // - NewPos = &gMenuOption; - TopOfScreen = &gMenuOption; - MenuOption = MENU_OPTION_FROM_LINK (SavedListEntry); - ScreenOperation = UiPageUp; - ControlFlag = CfScreenOperation; - break; - } - } else if (MenuOption->Row < TopRow + DistanceValue + Difference) { + TopOfScreen = FindTopOfScreenMenu (gMenuOption.BackLink, BottomRow - TopRow, &SkipValue); + NewPos = gMenuOption.BackLink; + MoveToNextStatement (TRUE, &NewPos, BottomRow - TopRow, TRUE); + } + } else { + NextMenuOption = MENU_OPTION_FROM_LINK (NewPos); + + if (MenuOption->Row < TopRow + Difference + NextMenuOption->Skip) { // // Previous focus MenuOption is above the TopOfScreen, so we need to scroll // TopOfScreen = NewPos; Repaint = TRUE; - SkipValue = 0; - } else if (!IsSelectable (NextMenuOption)) { - // - // Continue to go up until scroll to next page or the selectable option is found. - // - ScreenOperation = UiUp; - ControlFlag = CfScreenOperation; + SkipValue = 0; } // - // If we encounter a Date/Time op-code set, rewind to the first op-code of the set. + // Check whether new highlight menu is selectable, if not, keep highlight on the old one. // - AdjustDateAndTimePosition (TRUE, &TopOfScreen); - AdjustDateAndTimePosition (TRUE, &NewPos); - MenuOption = MENU_OPTION_FROM_LINK (SavedListEntry); - UpdateStatusBar (INPUT_ERROR, FALSE); - } else { - if (NewPos->ForwardLink == &gMenuOption) { - NewLine = FALSE; - Repaint = FALSE; - break; + // BottomRow - TopRow + 1 means the total rows current forms supported. + // Difference + NextMenuOption->Skip + 1 means the distance between last highlight menu + // and new top menu. New top menu will all shows in next form, but last highlight menu + // may only shows 1 line. + 1 at right part means at least need to keep 1 line for the + // last highlight menu. + // + if (!IsSelectable(NextMenuOption) && IsSelectable(MenuOption) && + (BottomRow - TopRow + 1 >= Difference + NextMenuOption->Skip + 1)) { + NewPos = SavedListEntry; } - // - // Scroll up to the last page. - // - NewPos = &gMenuOption; - TopOfScreen = &gMenuOption; - MenuOption = MENU_OPTION_FROM_LINK (SavedListEntry); - ScreenOperation = UiPageUp; - ControlFlag = CfScreenOperation; - SkipValue = 0; } - break; - case CfUiPageUp: - // - // SkipValue means lines is skipped when show the top menu option. - // - ControlFlag = CfRepaint; + UpdateStatusBar (INPUT_ERROR, FALSE); - ASSERT(NewPos != NULL); // - // Already at the first menu option, Check the skip value. + // If we encounter a Date/Time op-code set, rewind to the first op-code of the set. // - if (NewPos->BackLink == &gMenuOption) { - if (SkipValue == 0) { - NewLine = FALSE; - Repaint = FALSE; - } else { - NewLine = TRUE; - Repaint = TRUE; - SkipValue = 0; - } - break; - } - - NewLine = TRUE; - Repaint = TRUE; + AdjustDateAndTimePosition (TRUE, &TopOfScreen); + AdjustDateAndTimePosition (TRUE, &NewPos); + break; + case CfUiPageUp: // - // SkipValue > (BottomRow - TopRow + 1) means current menu has more than one - // form of options to be show, so just update the SkipValue to show the next - // parts of options. + // SkipValue means lines is skipped when show the top menu option. // - if (SkipValue > (INTN) (BottomRow - TopRow + 1)) { - SkipValue -= BottomRow - TopRow + 1; - break; - } + ControlFlag = CfRepaint; + NewLine = TRUE; + Repaint = TRUE; Link = TopOfScreen; // // First minus the menu of the top screen, it's value is SkipValue. // - Index = (BottomRow + 1) - SkipValue; - while ((Index > TopRow) && (Link->BackLink != &gMenuOption)) { - Link = Link->BackLink; - PreviousMenuOption = MENU_OPTION_FROM_LINK (Link); - if (PreviousMenuOption->Row == 0) { - UpdateOptionSkipLines (PreviousMenuOption); - } - if (Index < PreviousMenuOption->Skip) { - break; - } - Index = Index - PreviousMenuOption->Skip; - } - - if ((Link->BackLink == &gMenuOption) && (Index >= TopRow)) { - if (TopOfScreen == &gMenuOption) { - TopOfScreen = gMenuOption.ForwardLink; - NewPos = gMenuOption.BackLink; - MoveToNextStatement (TRUE, &NewPos, BottomRow - TopRow); - if (Index < PreviousMenuOption->Skip) { - Repaint = TRUE; - SkipValue = PreviousMenuOption->Skip - (Index - TopRow); - } else { - Repaint = FALSE; - SkipValue = 0; - } - } else if (TopOfScreen != Link) { - TopOfScreen = Link; - NewPos = Link; - MoveToNextStatement (FALSE, &NewPos, BottomRow - TopRow); - SkipValue = 0; - } else { - // - // Finally we know that NewPos is the last MenuOption can be focused. - // - if (SkipValue == 0) { - Repaint = FALSE; - } - NewPos = Link; - MoveToNextStatement (FALSE, &NewPos, BottomRow - TopRow); - SkipValue = 0; - } - } else { - if (Index > TopRow) { - // - // At here, only case "Index < PreviousMenuOption->Skip" can reach here. - // - SkipValue = PreviousMenuOption->Skip - (Index - TopRow); - } else if (Index == TopRow) { - SkipValue = 0; - } else { - SkipValue = TopRow - Index; - } - + if (SkipValue >= (INTN) (BottomRow - TopRow + 1)) { // - // Move to the option in Next page. + // SkipValue > (BottomRow - TopRow + 1) means current menu has more than one + // form of options to be show, so just update the SkipValue to show the next + // parts of options. // - if (TopOfScreen == &gMenuOption) { - NewPos = gMenuOption.BackLink; - MoveToNextStatement (TRUE, &NewPos, BottomRow - TopRow); - } else { - NewPos = Link; - MoveToNextStatement (FALSE, &NewPos, BottomRow - TopRow); - } - - // - // There are more MenuOption needing scrolling up. - // - TopOfScreen = Link; - MenuOption = NULL; + SkipValue -= BottomRow - TopRow + 1; + NewPos = TopOfScreen; + break; + } else { + Index = (BottomRow + 1) - SkipValue - TopRow; } + + TopOfScreen = FindTopOfScreenMenu(TopOfScreen, Index, &SkipValue); + NewPos = TopOfScreen; + MoveToNextStatement (FALSE, &NewPos, BottomRow - TopRow, FALSE); + + UpdateStatusBar (INPUT_ERROR, FALSE); // // If we encounter a Date/Time op-code set, rewind to the first op-code of the set. @@ -3050,24 +2886,10 @@ UiDisplayMenu ( // // SkipValue means lines is skipped when show the top menu option. // - ControlFlag = CfRepaint; - - ASSERT (NewPos != NULL); - if (NewPos->ForwardLink == &gMenuOption) { - MenuOption = MENU_OPTION_FROM_LINK (NewPos); - if (SkipValue + BottomRow - TopRow + 1 < MenuOption->Skip) { - SkipValue += BottomRow - TopRow + 1; - NewLine = TRUE; - Repaint = TRUE; - break; - } - NewLine = FALSE; - Repaint = FALSE; - break; - } + ControlFlag = CfRepaint; + NewLine = TRUE; + Repaint = TRUE; - NewLine = TRUE; - Repaint = TRUE; Link = TopOfScreen; NextMenuOption = MENU_OPTION_FROM_LINK (Link); Index = TopRow + NextMenuOption->Skip - SkipValue; @@ -3082,10 +2904,10 @@ UiDisplayMenu ( if ((Link->ForwardLink == &gMenuOption) && (Index <= BottomRow + 1)) { // - // Finally we know that NewPos is the last MenuOption can be focused. + // Highlight on the last menu which can be highlight. // Repaint = FALSE; - MoveToNextStatement (TRUE, &Link, Index - TopRow); + MoveToNextStatement (TRUE, &Link, Index - TopRow, TRUE); } else { // // Calculate the skip line for top of screen menu. @@ -3098,13 +2920,12 @@ UiDisplayMenu ( } else { SkipValue = NextMenuOption->Skip - (Index - (BottomRow + 1)); } - TopOfScreen = Link; MenuOption = NULL; // // Move to the Next selectable menu. // - MoveToNextStatement (FALSE, &Link, BottomRow - TopRow); + MoveToNextStatement (FALSE, &Link, BottomRow - TopRow, TRUE); } // @@ -3112,6 +2933,8 @@ UiDisplayMenu ( // NewPos = Link; + UpdateStatusBar (INPUT_ERROR, FALSE); + // // If we encounter a Date/Time op-code set, rewind to the first op-code of the set. // Don't do this when we are already in the last page. @@ -3126,7 +2949,15 @@ UiDisplayMenu ( // NewPos points to the menu which is highlighted now. // ControlFlag = CfRepaint; + NewLine = TRUE; + if (NewPos == TopOfScreen) { + Temp2 = SkipValue; + } else { + Temp2 = 0; + } + + SavedListEntry = NewPos; // // Since the behavior of hitting the down arrow on a Date/Time op-code is intended // to be one that progresses to the next set of op-codes, we need to advance to the last @@ -3135,182 +2966,134 @@ UiDisplayMenu ( // op-code is the last entry in the menu, we need to rewind back to the first op-code of // the Date/Time op-code. // - SavedListEntry = NewPos; AdjustDateAndTimePosition (FALSE, &NewPos); - if (NewPos->ForwardLink != &gMenuOption) { - if (NewPos == TopOfScreen) { - Temp2 = SkipValue; + MenuOption = MENU_OPTION_FROM_LINK (NewPos); + NewPos = NewPos->ForwardLink; + // + // Find the next selectable menu. + // + if (MenuOption->Row + MenuOption->Skip - Temp2 > BottomRow + 1) { + if (gMenuOption.ForwardLink == NewPos || &gMenuOption == NewPos) { + Difference = -1; + } else { + Difference = 0; + } + } else { + Difference = MoveToNextStatement (FALSE, &NewPos, BottomRow + 1 - (MenuOption->Row + MenuOption->Skip - Temp2), FALSE); + } + if (Difference < 0) { + // + // Scroll to the first page. + // + if (TopOfScreen != gMenuOption.ForwardLink || SkipValue != 0) { + TopOfScreen = gMenuOption.ForwardLink; + Repaint = TRUE; + MenuOption = NULL; } else { - Temp2 = 0; + MenuOption = MENU_OPTION_FROM_LINK (SavedListEntry); } + NewPos = gMenuOption.ForwardLink; + MoveToNextStatement (FALSE, &NewPos, BottomRow - TopRow, TRUE); - MenuOption = MENU_OPTION_FROM_LINK (NewPos); - NewLine = TRUE; - NewPos = NewPos->ForwardLink; + SkipValue = 0; + // + // If we are at the end of the list and sitting on a Date/Time op, rewind to the head. + // + AdjustDateAndTimePosition (TRUE, &TopOfScreen); + AdjustDateAndTimePosition (TRUE, &NewPos); + break; + } - Difference = 0; + // + // Get next selected menu info. + // + AdjustDateAndTimePosition (FALSE, &NewPos); + NextMenuOption = MENU_OPTION_FROM_LINK (NewPos); + if (NextMenuOption->Row == 0) { + UpdateOptionSkipLines (NextMenuOption); + } + + // + // Calculate new highlight menu end row. + // + Temp = (MenuOption->Row + MenuOption->Skip - Temp2) + Difference + NextMenuOption->Skip - 1; + if (Temp > BottomRow) { // - // Current menu not at the bottom of the form. + // Get the top screen menu info. // - if (BottomRow >= MenuOption->Row + MenuOption->Skip - Temp2) { - // - // Find the next selectable menu. - // - Difference = MoveToNextStatement (FALSE, &NewPos, BottomRow - MenuOption->Row - MenuOption->Skip + Temp2); + AdjustDateAndTimePosition (FALSE, &TopOfScreen); + SavedMenuOption = MENU_OPTION_FROM_LINK (TopOfScreen); + + // + // Current Top screen menu occupy (SavedMenuOption->Skip - SkipValue) rows. + // Full shows the new selected menu need to skip (Temp - BottomRow - 1) rows. + // + if ((Temp - BottomRow) >= (SavedMenuOption->Skip - SkipValue)) { // - // We hit the end of MenuOption that can be focused - // so we simply scroll to the first page. + // Skip the top op-code // - if (Difference < 0) { - // - // Scroll to the first page. - // - if (TopOfScreen != gMenuOption.ForwardLink) { - TopOfScreen = gMenuOption.ForwardLink; - Repaint = TRUE; - MenuOption = NULL; - } else { - MenuOption = MENU_OPTION_FROM_LINK (SavedListEntry); - } - NewPos = gMenuOption.ForwardLink; - MoveToNextStatement (FALSE, &NewPos, BottomRow - TopRow); + TopOfScreen = TopOfScreen->ForwardLink; + DistanceValue = (Temp - BottomRow) - (SavedMenuOption->Skip - SkipValue); - SkipValue = 0; - // - // If we are at the end of the list and sitting on a Date/Time op, rewind to the head. - // - AdjustDateAndTimePosition (TRUE, &TopOfScreen); - AdjustDateAndTimePosition (TRUE, &NewPos); - break; - } - } - NextMenuOption = MENU_OPTION_FROM_LINK (NewPos); - if (NextMenuOption->Row == 0) { - UpdateOptionSkipLines (NextMenuOption); - } - DistanceValue = Difference + NextMenuOption->Skip - Temp2; - - Temp = MenuOption->Row + MenuOption->Skip + DistanceValue - 1; - if ((MenuOption->Row + MenuOption->Skip - Temp2 == BottomRow + 1) && - (NextMenuOption->ThisTag->OpCode->OpCode == EFI_IFR_DATE_OP || - NextMenuOption->ThisTag->OpCode->OpCode == EFI_IFR_TIME_OP) - ) { - Temp ++; - } + SavedMenuOption = MENU_OPTION_FROM_LINK (TopOfScreen); - // - // If we are going to scroll, update TopOfScreen - // - if (Temp > BottomRow) { - do { + // + // If we have a remainder, skip that many more op-codes until we drain the remainder + // Special case is the selected highlight menu has more than one form of menus. + // + while (DistanceValue >= SavedMenuOption->Skip && TopOfScreen != NewPos) { // - // Is the current top of screen a zero-advance op-code? - // If so, keep moving forward till we hit a >0 advance op-code + // Since the Difference is greater than or equal to this op-code's skip value, skip it // + DistanceValue = DistanceValue - (INTN) SavedMenuOption->Skip; + TopOfScreen = TopOfScreen->ForwardLink; SavedMenuOption = MENU_OPTION_FROM_LINK (TopOfScreen); - - // - // If bottom op-code is more than one line or top op-code is more than one line - // - if ((DistanceValue > 1) || (SavedMenuOption->Skip > 1)) { - // - // Is the bottom op-code greater than or equal in size to the top op-code? - // - if ((Temp - BottomRow) >= (SavedMenuOption->Skip - SkipValue)) { - // - // Skip the top op-code - // - TopOfScreen = TopOfScreen->ForwardLink; - Difference = (Temp - BottomRow) - (SavedMenuOption->Skip - SkipValue); - - SavedMenuOption = MENU_OPTION_FROM_LINK (TopOfScreen); - - // - // If we have a remainder, skip that many more op-codes until we drain the remainder - // - while (Difference >= (INTN) SavedMenuOption->Skip) { - // - // Since the Difference is greater than or equal to this op-code's skip value, skip it - // - Difference = Difference - (INTN) SavedMenuOption->Skip; - TopOfScreen = TopOfScreen->ForwardLink; - SavedMenuOption = MENU_OPTION_FROM_LINK (TopOfScreen); - } - // - // Since we will act on this op-code in the next routine, and increment the - // SkipValue, set the skips to one less than what is required. - // - SkipValue = Difference - 1; - } else { - // - // Since we will act on this op-code in the next routine, and increment the - // SkipValue, set the skips to one less than what is required. - // - SkipValue += (Temp - BottomRow) - 1; - } - } else { - if ((SkipValue + 1) == (INTN) SavedMenuOption->Skip) { - TopOfScreen = TopOfScreen->ForwardLink; - break; - } - } - // - // If the op-code at the top of the screen is more than one line, let's not skip it yet - // Let's set a skip flag to smoothly scroll the top of the screen. - // - if (SavedMenuOption->Skip > 1) { - if (SavedMenuOption == NextMenuOption) { - SkipValue = 0; - } else { - SkipValue++; - } - } else if (SavedMenuOption->Skip == 1) { - SkipValue = 0; - } else { - SkipValue = 0; - TopOfScreen = TopOfScreen->ForwardLink; - } - } while (SavedMenuOption->Skip == 0); - - Repaint = TRUE; - } else if (!IsSelectable (NextMenuOption)) { + } // - // Continue to go down until scroll to next page or the selectable option is found. + // Since we will act on this op-code in the next routine, and increment the + // SkipValue, set the skips to one less than what is required. // - ScreenOperation = UiDown; - ControlFlag = CfScreenOperation; - } - - MenuOption = MENU_OPTION_FROM_LINK (SavedListEntry); - - UpdateStatusBar (INPUT_ERROR, FALSE); - - } else { - // - // Scroll to the first page. - // - if (TopOfScreen != gMenuOption.ForwardLink || SkipValue != 0) { - TopOfScreen = gMenuOption.ForwardLink; - Repaint = TRUE; - MenuOption = NULL; + if (TopOfScreen != NewPos) { + SkipValue = DistanceValue; + } else { + SkipValue = 0; + } } else { // - // Need to remove the current highlight menu. - // MenuOption saved the last highlight menu info. + // Since we will act on this op-code in the next routine, and increment the + // SkipValue, set the skips to one less than what is required. // - MenuOption = MENU_OPTION_FROM_LINK (SavedListEntry); + SkipValue += Temp - BottomRow; } - - SkipValue = 0; - NewLine = TRUE; + Repaint = TRUE; + } else if (!IsSelectable (NextMenuOption)) { // - // Get the next highlight menu. + // Continue to go down until scroll to next page or the selectable option is found. // - NewPos = gMenuOption.ForwardLink; - MoveToNextStatement (FALSE, &NewPos, BottomRow - TopRow); + ScreenOperation = UiDown; + ControlFlag = CfScreenOperation; + break; + } + + MenuOption = MENU_OPTION_FROM_LINK (SavedListEntry); + + // + // Check whether new highlight menu is selectable, if not, keep highlight on the old one. + // + // BottomRow - TopRow + 1 means the total rows current forms supported. + // Difference + NextMenuOption->Skip + 1 means the distance between last highlight menu + // and new top menu. New top menu will all shows in next form, but last highlight menu + // may only shows 1 line. + 1 at right part means at least need to keep 1 line for the + // last highlight menu. + // + if (!IsSelectable (NextMenuOption) && IsSelectable (MenuOption) && + (BottomRow - TopRow + 1 >= Difference + NextMenuOption->Skip + 1)) { + NewPos = SavedListEntry; } + UpdateStatusBar (INPUT_ERROR, FALSE); + // // If we are at the end of the list and sitting on a Date/Time op, rewind to the head. //