[41] | 1 | ; Project name : Assembly Library |
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| 2 | ; Description : Functions for drawing menu texts by the user. |
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| 3 | |
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| 4 | ; Section containing code |
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| 5 | SECTION .text |
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| 6 | |
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| 7 | ;-------------------------------------------------------------------- |
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[48] | 8 | ; MenuText_ClearTitleArea |
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| 9 | ; MenuText_ClearInformationArea |
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| 10 | ; Parameters |
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| 11 | ; SS:BP: Ptr to MENU |
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| 12 | ; Returns: |
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| 13 | ; Nothing |
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| 14 | ; Corrupts registers: |
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| 15 | ; AX, BX, CX, DX, SI, DI |
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| 16 | ;-------------------------------------------------------------------- |
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[194] | 17 | %ifndef EXCLUDE_FROM_XTIDE_UNIVERSAL_BIOS |
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[48] | 18 | ALIGN JUMP_ALIGN |
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| 19 | MenuText_ClearTitleArea: |
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[125] | 20 | CALL_DISPLAY_LIBRARY PushDisplayContext ; Save cursor coordinates |
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[48] | 21 | call PrepareToDrawTitleArea |
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| 22 | mov cl, [bp+MENUINIT.bTitleLines] |
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[194] | 23 | jmp SHORT MenuText_ClearInformationArea.ClearCLlinesOfText |
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| 24 | %endif |
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| 25 | |
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[48] | 26 | ALIGN JUMP_ALIGN |
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| 27 | MenuText_ClearInformationArea: |
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[125] | 28 | CALL_DISPLAY_LIBRARY PushDisplayContext ; Save cursor coordinates |
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[54] | 29 | call MenuText_PrepareToDrawInformationArea |
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[48] | 30 | mov cl, [bp+MENUINIT.bInfoLines] |
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[194] | 31 | .ClearCLlinesOfText: |
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[48] | 32 | mov al, [bp+MENUINIT.bWidth] |
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[54] | 33 | sub al, MENU_HORIZONTAL_BORDER_LINES+(MENU_TEXT_COLUMN_OFFSET/2) |
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[48] | 34 | mul cl |
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| 35 | xchg cx, ax |
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| 36 | mov al, ' ' |
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| 37 | CALL_DISPLAY_LIBRARY PrintRepeatedCharacterFromALwithCountInCX |
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[125] | 38 | CALL_DISPLAY_LIBRARY PopDisplayContext |
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[48] | 39 | ret |
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| 40 | |
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| 41 | |
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| 42 | ;-------------------------------------------------------------------- |
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[41] | 43 | ; MenuText_RefreshTitle |
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| 44 | ; MenuText_RefreshInformation |
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| 45 | ; Parameters |
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| 46 | ; SS:BP: Ptr to MENU |
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| 47 | ; Returns: |
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| 48 | ; Nothing |
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| 49 | ; Corrupts registers: |
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[48] | 50 | ; AX, BX, CX, DX, SI, DI |
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[41] | 51 | ;-------------------------------------------------------------------- |
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| 52 | ALIGN JUMP_ALIGN |
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| 53 | MenuText_RefreshTitle: |
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| 54 | cmp BYTE [bp+MENUINIT.bTitleLines], 0 |
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| 55 | jz SHORT NothingToRefresh |
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[48] | 56 | call PrepareToDrawTitleArea |
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[41] | 57 | jmp MenuEvent_RefreshTitle |
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| 58 | |
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| 59 | ALIGN JUMP_ALIGN |
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| 60 | MenuText_RefreshInformation: |
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| 61 | cmp BYTE [bp+MENUINIT.bInfoLines], 0 |
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| 62 | jz SHORT NothingToRefresh |
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[54] | 63 | call MenuText_PrepareToDrawInformationArea |
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[48] | 64 | jmp MenuEvent_RefreshInformation |
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[41] | 65 | |
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[48] | 66 | ;-------------------------------------------------------------------- |
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| 67 | ; PrepareToDrawTitleArea |
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| 68 | ; PrepareToDrawInformationArea |
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| 69 | ; Parameters |
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| 70 | ; SS:BP: Ptr to MENU |
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| 71 | ; Returns: |
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| 72 | ; Nothing |
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| 73 | ; Corrupts registers: |
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| 74 | ; AX, BX, DX, SI, DI |
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| 75 | ;-------------------------------------------------------------------- |
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| 76 | ALIGN JUMP_ALIGN |
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| 77 | PrepareToDrawTitleArea: |
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| 78 | mov si, ATTRIBUTE_CHARS.cTitle |
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| 79 | call MenuLocation_GetTitleTextTopLeftCoordinatesToAX |
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[52] | 80 | jmp SHORT FinishPreparationsToDrawTitleOrInformationArea |
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[48] | 81 | |
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| 82 | ALIGN JUMP_ALIGN |
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[54] | 83 | MenuText_PrepareToDrawInformationArea: |
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[41] | 84 | mov si, ATTRIBUTE_CHARS.cInformation |
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| 85 | call MenuLocation_GetInformationTextTopLeftCoordinatesToAX |
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[52] | 86 | FinishPreparationsToDrawTitleOrInformationArea: |
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| 87 | mov dx, MenuCharOut_MenuTeletypeOutputWithAutomaticLineChange |
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| 88 | jmp SHORT AdjustDisplayContextForDrawingTextsAtCoordsInAXwithAttrTypeInSIandCharOutFunctionInDX |
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[41] | 89 | |
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| 90 | |
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| 91 | ;-------------------------------------------------------------------- |
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| 92 | ; MenuText_RefreshAllItems |
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| 93 | ; Parameters |
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| 94 | ; SS:BP: Ptr to MENU |
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| 95 | ; Returns: |
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| 96 | ; Nothing |
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| 97 | ; Corrupts registers: |
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| 98 | ; AX, BX, DX, SI, DI |
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| 99 | ;-------------------------------------------------------------------- |
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| 100 | ALIGN JUMP_ALIGN |
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| 101 | MenuText_RefreshAllItems: |
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| 102 | push cx |
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| 103 | |
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| 104 | call MenuScrollbars_GetActualVisibleItemsOnPageToCX |
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| 105 | mov ax, [bp+MENU.wFirstVisibleItem] |
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| 106 | ALIGN JUMP_ALIGN |
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| 107 | .ItemRefreshLoop: |
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| 108 | call MenuText_RefreshItemFromAX |
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| 109 | inc ax |
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| 110 | loop .ItemRefreshLoop |
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| 111 | |
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| 112 | pop cx |
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| 113 | NothingToRefresh: |
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| 114 | ret |
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| 115 | |
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| 116 | ;-------------------------------------------------------------------- |
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| 117 | ; MenuText_RefreshItemFromAX |
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| 118 | ; Parameters |
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| 119 | ; AX: Item to refresh |
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| 120 | ; SS:BP: Ptr to MENU |
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| 121 | ; Returns: |
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| 122 | ; Nothing |
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| 123 | ; Corrupts registers: |
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| 124 | ; BX, DX, SI, DI |
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| 125 | ;-------------------------------------------------------------------- |
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| 126 | ALIGN JUMP_ALIGN |
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| 127 | MenuText_RefreshItemFromAX: |
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| 128 | push cx |
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[67] | 129 | push ax |
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[41] | 130 | |
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[67] | 131 | xchg cx, ax |
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[41] | 132 | call MenuScrollbars_IsItemInCXonVisiblePage |
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| 133 | jnc SHORT .InvalidItem |
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[52] | 134 | call MenuText_AdjustDisplayContextForDrawingItemFromCX |
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[67] | 135 | call ClearPreviousItem |
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[41] | 136 | call MenuEvent_RefreshItemFromCX |
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[67] | 137 | call DrawScrollbarCharacterForItemInCXifNecessary |
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[41] | 138 | .InvalidItem: |
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[67] | 139 | pop ax |
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[41] | 140 | pop cx |
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| 141 | ret |
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| 142 | |
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| 143 | ;-------------------------------------------------------------------- |
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[52] | 144 | ; MenuText_AdjustDisplayContextForDrawingItemFromCX |
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[41] | 145 | ; Parameters |
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[52] | 146 | ; CX: Item to refresh |
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[41] | 147 | ; SS:BP: Ptr to MENU |
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| 148 | ; Returns: |
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[52] | 149 | ; Nothing |
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[41] | 150 | ; Corrupts registers: |
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[52] | 151 | ; AX, BX, DX, SI, DI |
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[41] | 152 | ;-------------------------------------------------------------------- |
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| 153 | ALIGN JUMP_ALIGN |
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[52] | 154 | MenuText_AdjustDisplayContextForDrawingItemFromCX: |
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| 155 | mov ax, cx |
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| 156 | call GetItemTextAttributeTypeToSIforItemInCX |
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[41] | 157 | call MenuLocation_GetTextCoordinatesToAXforItemInAX |
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[52] | 158 | mov dx, MenuCharOut_MenuTeletypeOutput |
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[133] | 159 | ; Fall to AdjustDisplayContextForDrawingTextsAtCoordsInAXwithAttrTypeInSIandCharOutFunctionInDX |
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[52] | 160 | |
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| 161 | ;-------------------------------------------------------------------- |
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| 162 | ; AdjustDisplayContextForDrawingTextsAtCoordsInAXwithAttrTypeInSIandCharOutFunctionInDX |
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| 163 | ; Parameters |
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| 164 | ; AX: Cursor coordinates to set |
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| 165 | ; DX: Character output function |
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| 166 | ; SI: Attribute type (from ATTRIBUTE_CHARS) |
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| 167 | ; SS:BP: Ptr to MENU |
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| 168 | ; Returns: |
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| 169 | ; Nothing |
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| 170 | ; Corrupts registers: |
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| 171 | ; AX, BX, DX, SI, DI |
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| 172 | ;-------------------------------------------------------------------- |
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| 173 | ALIGN JUMP_ALIGN |
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| 174 | AdjustDisplayContextForDrawingTextsAtCoordsInAXwithAttrTypeInSIandCharOutFunctionInDX: |
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[41] | 175 | CALL_DISPLAY_LIBRARY SetCursorCoordinatesFromAX |
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| 176 | |
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[52] | 177 | xchg ax, dx |
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| 178 | mov bl, ATTRIBUTES_ARE_USED |
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| 179 | CALL_DISPLAY_LIBRARY SetCharOutputFunctionFromAXwithAttribFlagInBL |
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| 180 | |
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| 181 | call CharOutLineSplitter_PrepareForPrintingTextLines |
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| 182 | jmp MenuAttribute_SetToDisplayContextFromTypeInSI |
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| 183 | |
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| 184 | |
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[41] | 185 | ;-------------------------------------------------------------------- |
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[67] | 186 | ; ClearPreviousItem |
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| 187 | ; Parameters |
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| 188 | ; SS:BP: Ptr to MENU |
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| 189 | ; Returns: |
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| 190 | ; Nothing |
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| 191 | ; Corrupts registers: |
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| 192 | ; AX, BX, DX, DI |
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| 193 | ;-------------------------------------------------------------------- |
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| 194 | ALIGN JUMP_ALIGN |
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| 195 | ClearPreviousItem: |
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| 196 | CALL_DISPLAY_LIBRARY GetSoftwareCoordinatesToAX |
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| 197 | xchg bx, ax |
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| 198 | |
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| 199 | call MenuBorders_GetNumberOfMiddleCharactersToDX |
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| 200 | sub dx, BYTE MENU_TEXT_COLUMN_OFFSET |
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| 201 | mov al, [cs:g_rgbTextBorderCharacters+BORDER_CHARS.cMiddle] |
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| 202 | call MenuBorders_PrintMultipleBorderCharactersFromAL |
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| 203 | |
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| 204 | xchg ax, bx |
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| 205 | CALL_DISPLAY_LIBRARY SetCursorCoordinatesFromAX |
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| 206 | ret |
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| 207 | |
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| 208 | |
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| 209 | ;-------------------------------------------------------------------- |
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[52] | 210 | ; GetItemTextAttributeTypeToSIforItemInCX |
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[41] | 211 | ; Parameters |
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| 212 | ; CX: Item to refresh |
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| 213 | ; SS:BP: Ptr to MENU |
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| 214 | ; Returns: |
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| 215 | ; SI: Text attribute type (ATTRIBUTE_CHARS) |
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| 216 | ; Corrupts registers: |
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| 217 | ; Nothing |
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| 218 | ;-------------------------------------------------------------------- |
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| 219 | ALIGN JUMP_ALIGN |
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[52] | 220 | GetItemTextAttributeTypeToSIforItemInCX: |
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[41] | 221 | mov si, ATTRIBUTE_CHARS.cItem |
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| 222 | test BYTE [bp+MENU.bFlags], FLG_MENU_NOHIGHLIGHT |
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| 223 | jnz SHORT .ReturnAttributeTypeInSI |
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[52] | 224 | |
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| 225 | cmp cx, [bp+MENUINIT.wHighlightedItem] |
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[41] | 226 | jne SHORT .ReturnAttributeTypeInSI |
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| 227 | sub si, BYTE ATTRIBUTE_CHARS.cItem - ATTRIBUTE_CHARS.cHighlightedItem |
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| 228 | ALIGN JUMP_ALIGN, ret |
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| 229 | .ReturnAttributeTypeInSI: |
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| 230 | ret |
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| 231 | |
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| 232 | |
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| 233 | ;-------------------------------------------------------------------- |
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[67] | 234 | ; DrawScrollbarCharacterForItemInCXifNecessary |
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[41] | 235 | ; Parameters |
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| 236 | ; CX: Item to refresh |
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| 237 | ; SS:BP: Ptr to MENU |
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| 238 | ; Returns: |
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| 239 | ; Nothing |
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| 240 | ; Corrupts registers: |
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[67] | 241 | ; AX, CX, BX, DX, SI, DI |
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[41] | 242 | ;-------------------------------------------------------------------- |
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| 243 | ALIGN JUMP_ALIGN |
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[67] | 244 | DrawScrollbarCharacterForItemInCXifNecessary: |
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[41] | 245 | call MenuScrollbars_AreScrollbarsNeeded |
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| 246 | jc SHORT .DrawScrollbarCharacter |
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| 247 | ret |
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| 248 | |
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| 249 | ALIGN JUMP_ALIGN |
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| 250 | .DrawScrollbarCharacter: |
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[48] | 251 | call MenuBorders_AdjustDisplayContextForDrawingBorders |
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[41] | 252 | mov ax, cx |
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[104] | 253 | |
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| 254 | call MenuLocation_GetTextCoordinatesToAXforItemInAX |
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| 255 | add al, [bp+MENUINIT.bWidth] |
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| 256 | sub al, MENU_TEXT_COLUMN_OFFSET*2 |
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[41] | 257 | CALL_DISPLAY_LIBRARY SetCursorCoordinatesFromAX |
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| 258 | |
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| 259 | mov di, cx |
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| 260 | sub di, [bp+MENU.wFirstVisibleItem] ; Item to line |
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| 261 | call MenuScrollbars_GetScrollCharacterToALForLineInDI |
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[67] | 262 | jmp MenuBorders_PrintSingleBorderCharacterFromAL |
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