| 1 | ; File name : MenuBorders.asm |
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| 2 | ; Project name : Assembly Library |
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| 3 | ; Created date : 14.7.2010 |
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| 4 | ; Last update : 27.9.2010 |
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| 5 | ; Author : Tomi Tilli |
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| 6 | ; Description : Functions for drawing menu borders. |
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| 7 | |
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| 8 | ; Struct containing border characters for different types of menu window lines |
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| 9 | struc BORDER_CHARS |
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| 10 | .cLeft resb 1 |
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| 11 | .cMiddle resb 1 |
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| 12 | .cRight resb 1 |
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| 13 | endstruc |
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| 14 | |
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| 15 | |
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| 16 | ; Section containing code |
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| 17 | SECTION .text |
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| 18 | |
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| 19 | ;-------------------------------------------------------------------- |
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| 20 | ; MenuBorders_RefreshAll |
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| 21 | ; Parameters |
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| 22 | ; SS:BP: Ptr to MENU |
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| 23 | ; Returns: |
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| 24 | ; Nothing |
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| 25 | ; Corrupts registers: |
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| 26 | ; AX, BX, CX, DX, SI, DI |
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| 27 | ;-------------------------------------------------------------------- |
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| 28 | ALIGN JUMP_ALIGN |
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| 29 | MenuBorders_RefreshAll: |
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| 30 | call MenuBorders_AdjustDisplayContextForDrawingBorders |
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| 31 | call GetNumberOfMiddleCharactersToDX |
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| 32 | call RefreshTitleBorders |
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| 33 | call RefreshItemBorders |
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| 34 | call RefreshInformationBorders |
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| 35 | call DrawBottomBorderLine |
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| 36 | call DrawBottomShadowLine |
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| 37 | jmp MenuTime_DrawWithoutUpdating |
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| 38 | |
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| 39 | |
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| 40 | ;-------------------------------------------------------------------- |
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| 41 | ; MenuBorders_AdjustDisplayContextForDrawingBorders |
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| 42 | ; Parameters |
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| 43 | ; SS:BP: Ptr to MENU |
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| 44 | ; Returns: |
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| 45 | ; Nothing |
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| 46 | ; Corrupts registers: |
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| 47 | ; AX, DX, SI, DI |
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| 48 | ;-------------------------------------------------------------------- |
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| 49 | ALIGN JUMP_ALIGN |
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| 50 | MenuBorders_AdjustDisplayContextForDrawingBorders: |
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| 51 | mov dl, ATTRIBUTES_ARE_USED |
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| 52 | mov ax, MenuCharOut_MenuBorderTeletypeOutputWithAttribute |
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| 53 | CALL_DISPLAY_LIBRARY SetCharOutputFunctionFromAXwithAttribFlagInDL |
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| 54 | |
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| 55 | mov ax, bp |
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| 56 | CALL_DISPLAY_LIBRARY SetCharacterOutputParameterFromAX |
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| 57 | |
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| 58 | call MenuLocation_GetTitleBordersTopLeftCoordinatesToAX |
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| 59 | CALL_DISPLAY_LIBRARY SetCursorCoordinatesFromAX |
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| 60 | |
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| 61 | mov si, ATTRIBUTE_CHARS.cBordersAndBackground |
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| 62 | jmp MenuAttribute_SetToDisplayContextFromTypeInSI |
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| 63 | |
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| 64 | |
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| 65 | ;-------------------------------------------------------------------- |
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| 66 | ; MenuBorders_RefreshItemBorders |
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| 67 | ; Parameters |
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| 68 | ; SS:BP: Ptr to MENU |
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| 69 | ; Returns: |
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| 70 | ; Nothing |
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| 71 | ; Corrupts registers: |
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| 72 | ; AX, BX, CX, DX, SI, DI |
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| 73 | ;-------------------------------------------------------------------- |
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| 74 | ALIGN JUMP_ALIGN |
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| 75 | MenuBorders_RefreshItemBorders: |
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| 76 | call MenuBorders_AdjustDisplayContextForDrawingBorders |
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| 77 | call MenuLocation_GetItemBordersTopLeftCoordinatesToAX |
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| 78 | CALL_DISPLAY_LIBRARY SetCursorCoordinatesFromAX |
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| 79 | |
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| 80 | call GetNumberOfMiddleCharactersToDX |
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| 81 | jmp SHORT RefreshItemBorders |
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| 82 | |
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| 83 | |
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| 84 | ;-------------------------------------------------------------------- |
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| 85 | ; GetNumberOfMiddleCharactersToDX |
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| 86 | ; Parameters |
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| 87 | ; SS:BP: Ptr to MENU |
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| 88 | ; Returns: |
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| 89 | ; DX: Number of middle border characters when drawing border lines |
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| 90 | ; Corrupts registers: |
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| 91 | ; Nothing |
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| 92 | ;-------------------------------------------------------------------- |
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| 93 | ALIGN JUMP_ALIGN |
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| 94 | GetNumberOfMiddleCharactersToDX: |
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| 95 | eMOVZX dx, BYTE [bp+MENUINIT.bWidth] |
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| 96 | sub dx, BYTE MENU_HORIZONTAL_BORDER_LINES |
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| 97 | ret |
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| 98 | |
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| 99 | |
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| 100 | ;-------------------------------------------------------------------- |
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| 101 | ; RefreshTitleBorders |
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| 102 | ; Parameters |
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| 103 | ; DX: Number of times to repeat middle character |
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| 104 | ; SS:BP: Ptr to MENU |
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| 105 | ; Returns: |
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| 106 | ; Nothing |
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| 107 | ; Corrupts registers: |
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| 108 | ; AX, BX, CX, SI, DI |
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| 109 | ;-------------------------------------------------------------------- |
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| 110 | ALIGN JUMP_ALIGN |
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| 111 | RefreshTitleBorders: |
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| 112 | call DrawTopBorderLine |
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| 113 | eMOVZX cx, BYTE [bp+MENUINIT.bTitleLines] |
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| 114 | jmp SHORT DrawTextBorderLinesByCXtimes |
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| 115 | |
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| 116 | ;-------------------------------------------------------------------- |
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| 117 | ; RefreshInformationBorders |
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| 118 | ; Parameters |
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| 119 | ; DX: Number of times to repeat middle character |
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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 | ; AX, BX, CX, SI, DI |
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| 125 | ;-------------------------------------------------------------------- |
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| 126 | ALIGN JUMP_ALIGN |
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| 127 | RefreshInformationBorders: |
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| 128 | call DrawSeparationBorderLine |
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| 129 | eMOVZX cx, BYTE [bp+MENUINIT.bInfoLines] |
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| 130 | jmp SHORT DrawTextBorderLinesByCXtimes |
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| 131 | |
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| 132 | ;-------------------------------------------------------------------- |
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| 133 | ; RefreshItemBorders |
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| 134 | ; Parameters |
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| 135 | ; DX: Number of times to repeat middle character |
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| 136 | ; SS:BP: Ptr to MENU |
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| 137 | ; Returns: |
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| 138 | ; Nothing |
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| 139 | ; Corrupts registers: |
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| 140 | ; AX, BX, CX, SI, DI |
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| 141 | ;-------------------------------------------------------------------- |
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| 142 | ALIGN JUMP_ALIGN |
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| 143 | RefreshItemBorders: |
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| 144 | call DrawSeparationBorderLine |
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| 145 | call MenuScrollbars_GetMaxVisibleItemsOnPageToCX |
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| 146 | DrawTextBorderLinesByCXtimes: |
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| 147 | mov bx, DrawTextBorderLine |
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| 148 | ; Fall to DrawBorderLinesByCXtimes |
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| 149 | |
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| 150 | ;-------------------------------------------------------------------- |
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| 151 | ; DrawBorderLinesByCXtimes |
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| 152 | ; Parameters |
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| 153 | ; BX: Offset to border drawing function |
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| 154 | ; CX: Number of border lines to draw |
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| 155 | ; DX: Number of times to repeat middle character |
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| 156 | ; SS:BP: Ptr to MENU |
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| 157 | ; Returns: |
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| 158 | ; Nothing |
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| 159 | ; Corrupts registers: |
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| 160 | ; AX, CX, SI, DI |
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| 161 | ;-------------------------------------------------------------------- |
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| 162 | DrawBorderLinesByCXtimes: |
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| 163 | jcxz .Return |
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| 164 | ALIGN JUMP_ALIGN |
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| 165 | .DrawBordersWithFunctionInBX: |
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| 166 | call bx |
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| 167 | loop .DrawBordersWithFunctionInBX |
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| 168 | .Return: |
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| 169 | ret |
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| 170 | |
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| 171 | |
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| 172 | ;-------------------------------------------------------------------- |
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| 173 | ; DrawTopBorderLine |
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| 174 | ; DrawSeparationBorderLine |
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| 175 | ; DrawBottomBorderLine |
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| 176 | ; DrawBottomShadowLine |
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| 177 | ; DrawTextBorderLine |
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| 178 | ; Parameters |
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| 179 | ; DX: Number of times to repeat middle character |
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| 180 | ; SS:BP: Ptr to MENU |
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| 181 | ; Returns: |
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| 182 | ; Nothing |
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| 183 | ; Corrupts registers: |
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| 184 | ; AX, SI, DI |
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| 185 | ;-------------------------------------------------------------------- |
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| 186 | ALIGN JUMP_ALIGN |
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| 187 | DrawTopBorderLine: |
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| 188 | mov si, g_rgbTopBorderCharacters |
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| 189 | call PrintBorderCharactersFromCSSI |
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| 190 | jmp SHORT PrintNewlineToEndBorderLine |
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| 191 | |
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| 192 | ALIGN JUMP_ALIGN |
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| 193 | DrawSeparationBorderLine: |
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| 194 | mov si, g_rgbSeparationBorderCharacters |
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| 195 | jmp SHORT PrintBorderCharactersFromCSSIandShadowCharacter |
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| 196 | |
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| 197 | ALIGN JUMP_ALIGN |
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| 198 | DrawBottomBorderLine: |
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| 199 | mov si, g_rgbBottomBorderCharacters |
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| 200 | jmp SHORT PrintBorderCharactersFromCSSIandShadowCharacter |
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| 201 | |
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| 202 | ALIGN JUMP_ALIGN |
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| 203 | DrawBottomShadowLine: |
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| 204 | CALL_DISPLAY_LIBRARY GetSoftwareCoordinatesToAX |
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| 205 | inc ax ; Increment column |
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| 206 | CALL_DISPLAY_LIBRARY SetCursorCoordinatesFromAX |
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| 207 | inc dx ; Increment repeat count... |
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| 208 | inc dx ; ...for both corner characters |
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| 209 | call PrintShadowCharactersByDXtimes |
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| 210 | dec dx ; Restore... |
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| 211 | dec dx ; ...DX |
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| 212 | ret |
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| 213 | |
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| 214 | ALIGN JUMP_ALIGN |
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| 215 | DrawTextBorderLine: |
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| 216 | mov si, g_rgbTextBorderCharacters |
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| 217 | ; Fall to PrintBorderCharactersFromCSSIandShadowCharacter |
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| 218 | |
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| 219 | ;-------------------------------------------------------------------- |
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| 220 | ; PrintBorderCharactersFromCSSIandShadowCharacter |
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| 221 | ; Parameters |
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| 222 | ; DX: Number of times to repeat middle character |
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| 223 | ; CS:SI: Ptr to BORDER_CHARS |
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| 224 | ; SS:BP: Ptr to MENU |
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| 225 | ; Returns: |
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| 226 | ; Nothing |
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| 227 | ; Corrupts registers: |
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| 228 | ; AX, SI, DI |
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| 229 | ;-------------------------------------------------------------------- |
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| 230 | ALIGN JUMP_ALIGN |
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| 231 | PrintBorderCharactersFromCSSIandShadowCharacter: |
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| 232 | call PrintBorderCharactersFromCSSI |
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| 233 | push dx |
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| 234 | mov dx, 1 |
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| 235 | call PrintShadowCharactersByDXtimes |
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| 236 | pop dx |
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| 237 | ; Fall to PrintNewlineToEndBorderLine |
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| 238 | |
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| 239 | ;-------------------------------------------------------------------- |
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| 240 | ; PrintNewlineToEndBorderLine |
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| 241 | ; Parameters |
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| 242 | ; SS:BP: Ptr to MENU |
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| 243 | ; Returns: |
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| 244 | ; Nothing |
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| 245 | ; Corrupts registers: |
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| 246 | ; AX, DI |
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| 247 | ;-------------------------------------------------------------------- |
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| 248 | ALIGN JUMP_ALIGN |
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| 249 | PrintNewlineToEndBorderLine: |
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| 250 | CALL_DISPLAY_LIBRARY PrintNewlineCharacters |
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| 251 | ret |
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| 252 | |
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| 253 | |
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| 254 | ;-------------------------------------------------------------------- |
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| 255 | ; PrintShadowCharactersByDXtimes |
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| 256 | ; Parameters |
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| 257 | ; DX: Number of shadow characters to print |
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| 258 | ; SS:BP: Ptr to MENU |
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| 259 | ; Returns: |
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| 260 | ; Nothing |
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| 261 | ; Corrupts registers: |
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| 262 | ; AX, SI, DI |
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| 263 | ;-------------------------------------------------------------------- |
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| 264 | ALIGN JUMP_ALIGN |
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| 265 | PrintShadowCharactersByDXtimes: |
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| 266 | CALL_DISPLAY_LIBRARY PushDisplayContext |
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| 267 | |
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| 268 | mov si, ATTRIBUTE_CHARS.cShadow |
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| 269 | call MenuAttribute_SetToDisplayContextFromTypeInSI |
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| 270 | |
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| 271 | push dx |
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| 272 | mov dl, ATTRIBUTES_ARE_USED |
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| 273 | mov ax, FAST_OUTPUT_WITH_ATTRIBUTE_ONLY |
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| 274 | CALL_DISPLAY_LIBRARY SetCharOutputFunctionFromAXwithAttribFlagInDL |
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| 275 | pop dx |
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| 276 | |
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| 277 | call PrintMultipleBorderCharactersFromAL ; AL does not matter |
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| 278 | |
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| 279 | CALL_DISPLAY_LIBRARY PopDisplayContext |
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| 280 | ret |
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| 281 | |
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| 282 | |
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| 283 | ;-------------------------------------------------------------------- |
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| 284 | ; PrintBorderCharactersFromCSSI |
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| 285 | ; Parameters |
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| 286 | ; DX: Number of times to repeat middle character |
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| 287 | ; CS:SI: Ptr to BORDER_CHARS |
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| 288 | ; SS:BP: Ptr to MENU |
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| 289 | ; Returns: |
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| 290 | ; Nothing |
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| 291 | ; Corrupts registers: |
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| 292 | ; AX, SI, DI |
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| 293 | ;-------------------------------------------------------------------- |
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| 294 | ALIGN JUMP_ALIGN |
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| 295 | PrintBorderCharactersFromCSSI: |
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| 296 | cld |
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| 297 | eSEG cs |
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| 298 | lodsb ; Load from [si+BORDER_CHARS.cLeft] to AL |
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| 299 | call MenuBorders_PrintSingleBorderCharacterFromAL |
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| 300 | |
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| 301 | eSEG cs |
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| 302 | lodsb ; Load from [si+BORDER_CHARS.cMiddle] to AL |
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| 303 | call PrintMultipleBorderCharactersFromAL |
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| 304 | |
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| 305 | eSEG cs |
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| 306 | lodsb ; Load from [si+BORDER_CHARS.cRight] to AL |
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| 307 | ; Fall to MenuBorders_PrintSingleBorderCharacterFromAL |
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| 308 | |
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| 309 | ;-------------------------------------------------------------------- |
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| 310 | ; MenuBorders_PrintSingleBorderCharacterFromAL |
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| 311 | ; PrintMultipleBorderCharactersFromAL |
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| 312 | ; Parameters |
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| 313 | ; AL: Character to print |
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| 314 | ; DX: Repeat count (PrintMultipleBorderCharactersFromAL) |
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| 315 | ; SS:BP: Ptr to MENU |
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| 316 | ; Returns: |
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| 317 | ; Nothing |
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| 318 | ; Corrupts registers: |
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| 319 | ; AX, DI |
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| 320 | ;-------------------------------------------------------------------- |
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| 321 | ALIGN JUMP_ALIGN |
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| 322 | MenuBorders_PrintSingleBorderCharacterFromAL: |
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| 323 | CALL_DISPLAY_LIBRARY PrintCharacterFromAL |
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| 324 | ret |
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| 325 | |
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| 326 | ALIGN JUMP_ALIGN |
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| 327 | PrintMultipleBorderCharactersFromAL: |
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| 328 | push cx |
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| 329 | mov cx, dx |
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| 330 | CALL_DISPLAY_LIBRARY PrintRepeatedCharacterFromALwithCountInCX |
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| 331 | pop cx |
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| 332 | ret |
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| 333 | |
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| 334 | |
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| 335 | |
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| 336 | ; Lookup tables for border characters |
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| 337 | g_rgbTopBorderCharacters: |
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| 338 | istruc BORDER_CHARS |
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| 339 | at BORDER_CHARS.cLeft, db DOUBLE_TOP_LEFT_CORNER |
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| 340 | at BORDER_CHARS.cMiddle, db DOUBLE_HORIZONTAL |
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| 341 | at BORDER_CHARS.cRight, db DOUBLE_TOP_RIGHT_CORNER |
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| 342 | iend |
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| 343 | |
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| 344 | g_rgbSeparationBorderCharacters: |
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| 345 | istruc BORDER_CHARS |
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| 346 | at BORDER_CHARS.cLeft, db DOUBLE_VERTICAL_TO_RIGHT_SINGLE |
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| 347 | at BORDER_CHARS.cMiddle, db SINGLE_HORIZONTAL |
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| 348 | at BORDER_CHARS.cRight, db DOUBLE_VERTICAL_TO_LEFT_SINGLE |
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| 349 | iend |
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| 350 | |
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| 351 | g_rgbBottomBorderCharacters: |
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| 352 | istruc BORDER_CHARS |
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| 353 | at BORDER_CHARS.cLeft, db DOUBLE_BOTTOM_LEFT_CORNER |
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| 354 | at BORDER_CHARS.cMiddle, db DOUBLE_HORIZONTAL |
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| 355 | at BORDER_CHARS.cRight, db DOUBLE_BOTTOM_RIGHT_CORNER |
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| 356 | iend |
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| 357 | |
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| 358 | g_rgbTextBorderCharacters: |
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| 359 | istruc BORDER_CHARS |
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| 360 | at BORDER_CHARS.cLeft, db DOUBLE_VERTICAL |
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| 361 | at BORDER_CHARS.cMiddle, db ' ' |
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| 362 | at BORDER_CHARS.cRight, db DOUBLE_VERTICAL |
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| 363 | iend |
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