[41] | 1 | ; File name : MenuText.asm |
---|
| 2 | ; Project name : Assembly Library |
---|
| 3 | ; Created date : 21.7.2010 |
---|
[48] | 4 | ; Last update : 7.10.2010 |
---|
[41] | 5 | ; Author : Tomi Tilli |
---|
| 6 | ; Description : Functions for drawing menu texts by the user. |
---|
| 7 | |
---|
| 8 | ; Section containing code |
---|
| 9 | SECTION .text |
---|
| 10 | |
---|
| 11 | ;-------------------------------------------------------------------- |
---|
[48] | 12 | ; MenuText_ClearTitleArea |
---|
| 13 | ; MenuText_ClearInformationArea |
---|
| 14 | ; Parameters |
---|
| 15 | ; SS:BP: Ptr to MENU |
---|
| 16 | ; Returns: |
---|
| 17 | ; Nothing |
---|
| 18 | ; Corrupts registers: |
---|
| 19 | ; AX, BX, CX, DX, SI, DI |
---|
| 20 | ;-------------------------------------------------------------------- |
---|
| 21 | ALIGN JUMP_ALIGN |
---|
| 22 | MenuText_ClearTitleArea: |
---|
| 23 | call PrepareToDrawTitleArea |
---|
| 24 | mov cl, [bp+MENUINIT.bTitleLines] |
---|
| 25 | jmp SHORT ClearCLlinesOfText |
---|
| 26 | |
---|
| 27 | ALIGN JUMP_ALIGN |
---|
| 28 | MenuText_ClearInformationArea: |
---|
| 29 | call PrepareToDrawInformationArea |
---|
| 30 | mov cl, [bp+MENUINIT.bInfoLines] |
---|
| 31 | ClearCLlinesOfText: |
---|
| 32 | mov al, [bp+MENUINIT.bWidth] |
---|
| 33 | sub al, MENU_HORIZONTAL_BORDER_LINES+MENU_TEXT_COLUMN_OFFSET |
---|
| 34 | mul cl |
---|
| 35 | xchg cx, ax |
---|
| 36 | mov al, ' ' |
---|
| 37 | CALL_DISPLAY_LIBRARY PrintRepeatedCharacterFromALwithCountInCX |
---|
| 38 | ret |
---|
| 39 | |
---|
| 40 | |
---|
| 41 | ;-------------------------------------------------------------------- |
---|
[41] | 42 | ; MenuText_RefreshTitle |
---|
| 43 | ; MenuText_RefreshInformation |
---|
| 44 | ; Parameters |
---|
| 45 | ; SS:BP: Ptr to MENU |
---|
| 46 | ; Returns: |
---|
| 47 | ; Nothing |
---|
| 48 | ; Corrupts registers: |
---|
[48] | 49 | ; AX, BX, CX, DX, SI, DI |
---|
[41] | 50 | ;-------------------------------------------------------------------- |
---|
| 51 | ALIGN JUMP_ALIGN |
---|
| 52 | MenuText_RefreshTitle: |
---|
| 53 | cmp BYTE [bp+MENUINIT.bTitleLines], 0 |
---|
| 54 | jz SHORT NothingToRefresh |
---|
[48] | 55 | call PrepareToDrawTitleArea |
---|
[41] | 56 | jmp MenuEvent_RefreshTitle |
---|
| 57 | |
---|
| 58 | ALIGN JUMP_ALIGN |
---|
| 59 | MenuText_RefreshInformation: |
---|
| 60 | cmp BYTE [bp+MENUINIT.bInfoLines], 0 |
---|
| 61 | jz SHORT NothingToRefresh |
---|
[48] | 62 | call PrepareToDrawInformationArea |
---|
| 63 | jmp MenuEvent_RefreshInformation |
---|
[41] | 64 | |
---|
[48] | 65 | ;-------------------------------------------------------------------- |
---|
| 66 | ; PrepareToDrawTitleArea |
---|
| 67 | ; PrepareToDrawInformationArea |
---|
| 68 | ; Parameters |
---|
| 69 | ; SS:BP: Ptr to MENU |
---|
| 70 | ; Returns: |
---|
| 71 | ; Nothing |
---|
| 72 | ; Corrupts registers: |
---|
| 73 | ; AX, BX, DX, SI, DI |
---|
| 74 | ;-------------------------------------------------------------------- |
---|
| 75 | ALIGN JUMP_ALIGN |
---|
| 76 | PrepareToDrawTitleArea: |
---|
| 77 | mov si, ATTRIBUTE_CHARS.cTitle |
---|
| 78 | mov ax, MenuCharOut_MenuTextTeletypeOutputWithAttributeAndAutomaticLineChange |
---|
| 79 | call AdjustDisplayContextForDrawingTextsWithCharOutFunctionFromAX |
---|
| 80 | call MenuLocation_GetTitleTextTopLeftCoordinatesToAX |
---|
| 81 | CALL_DISPLAY_LIBRARY SetCursorCoordinatesFromAX |
---|
| 82 | ret |
---|
| 83 | |
---|
| 84 | ALIGN JUMP_ALIGN |
---|
| 85 | PrepareToDrawInformationArea: |
---|
[41] | 86 | mov si, ATTRIBUTE_CHARS.cInformation |
---|
[48] | 87 | mov ax, MenuCharOut_MenuTextTeletypeOutputWithAttributeAndAutomaticLineChange |
---|
| 88 | call AdjustDisplayContextForDrawingTextsWithCharOutFunctionFromAX |
---|
[41] | 89 | call MenuLocation_GetInformationTextTopLeftCoordinatesToAX |
---|
| 90 | CALL_DISPLAY_LIBRARY SetCursorCoordinatesFromAX |
---|
[48] | 91 | ret |
---|
[41] | 92 | |
---|
| 93 | |
---|
| 94 | ;-------------------------------------------------------------------- |
---|
| 95 | ; MenuText_RefreshAllItems |
---|
| 96 | ; Parameters |
---|
| 97 | ; SS:BP: Ptr to MENU |
---|
| 98 | ; Returns: |
---|
| 99 | ; Nothing |
---|
| 100 | ; Corrupts registers: |
---|
| 101 | ; AX, BX, DX, SI, DI |
---|
| 102 | ;-------------------------------------------------------------------- |
---|
| 103 | ALIGN JUMP_ALIGN |
---|
| 104 | MenuText_RefreshAllItems: |
---|
| 105 | push cx |
---|
| 106 | |
---|
| 107 | call MenuScrollbars_GetActualVisibleItemsOnPageToCX |
---|
| 108 | mov ax, [bp+MENU.wFirstVisibleItem] |
---|
| 109 | ALIGN JUMP_ALIGN |
---|
| 110 | .ItemRefreshLoop: |
---|
| 111 | call MenuText_RefreshItemFromAX |
---|
| 112 | inc ax |
---|
| 113 | loop .ItemRefreshLoop |
---|
| 114 | |
---|
| 115 | pop cx |
---|
| 116 | NothingToRefresh: |
---|
| 117 | ret |
---|
| 118 | |
---|
| 119 | ;-------------------------------------------------------------------- |
---|
| 120 | ; MenuText_RefreshItemFromAX |
---|
| 121 | ; Parameters |
---|
| 122 | ; AX: Item to refresh |
---|
| 123 | ; SS:BP: Ptr to MENU |
---|
| 124 | ; Returns: |
---|
| 125 | ; Nothing |
---|
| 126 | ; Corrupts registers: |
---|
| 127 | ; BX, DX, SI, DI |
---|
| 128 | ;-------------------------------------------------------------------- |
---|
| 129 | ALIGN JUMP_ALIGN |
---|
| 130 | MenuText_RefreshItemFromAX: |
---|
| 131 | push cx |
---|
| 132 | mov cx, ax ; Backup item to CX |
---|
| 133 | |
---|
| 134 | call MenuScrollbars_IsItemInCXonVisiblePage |
---|
| 135 | jnc SHORT .InvalidItem |
---|
| 136 | mov ax, cx |
---|
| 137 | call MenuText_AdjustDisplayContextForDrawingItemFromAX |
---|
| 138 | call MenuEvent_RefreshItemFromCX |
---|
| 139 | call DrawScrollbarIfNecessary |
---|
| 140 | .InvalidItem: |
---|
| 141 | xchg ax, cx ; Restore AX |
---|
| 142 | pop cx |
---|
| 143 | ret |
---|
| 144 | |
---|
| 145 | ;-------------------------------------------------------------------- |
---|
| 146 | ; MenuText_AdjustDisplayContextForDrawingItemFromAX |
---|
| 147 | ; Parameters |
---|
| 148 | ; AX: Item to refresh |
---|
| 149 | ; SS:BP: Ptr to MENU |
---|
| 150 | ; Returns: |
---|
| 151 | ; CX: Item to refresh |
---|
| 152 | ; Corrupts registers: |
---|
| 153 | ; AX, SI, DI |
---|
| 154 | ;-------------------------------------------------------------------- |
---|
| 155 | ALIGN JUMP_ALIGN |
---|
| 156 | MenuText_AdjustDisplayContextForDrawingItemFromAX: |
---|
| 157 | mov cx, ax |
---|
| 158 | call MenuLocation_GetTextCoordinatesToAXforItemInAX |
---|
| 159 | CALL_DISPLAY_LIBRARY SetCursorCoordinatesFromAX |
---|
| 160 | call .GetItemTextAttributeTypeToSIforItemInCX |
---|
[48] | 161 | mov ax, MenuCharOut_MenuTextTeletypeOutputWithAttribute |
---|
| 162 | jmp SHORT AdjustDisplayContextForDrawingTextsWithCharOutFunctionFromAX |
---|
[41] | 163 | |
---|
| 164 | ;-------------------------------------------------------------------- |
---|
| 165 | ; .GetItemTextAttributeTypeToSIforItemInCX |
---|
| 166 | ; Parameters |
---|
| 167 | ; CX: Item to refresh |
---|
| 168 | ; SS:BP: Ptr to MENU |
---|
| 169 | ; Returns: |
---|
| 170 | ; SI: Text attribute type (ATTRIBUTE_CHARS) |
---|
| 171 | ; Corrupts registers: |
---|
| 172 | ; Nothing |
---|
| 173 | ;-------------------------------------------------------------------- |
---|
| 174 | ALIGN JUMP_ALIGN |
---|
| 175 | .GetItemTextAttributeTypeToSIforItemInCX: |
---|
| 176 | mov si, ATTRIBUTE_CHARS.cItem |
---|
| 177 | test BYTE [bp+MENU.bFlags], FLG_MENU_NOHIGHLIGHT |
---|
| 178 | jnz SHORT .ReturnAttributeTypeInSI |
---|
| 179 | cmp cx, [bp+MENU.wHighlightedItem] |
---|
| 180 | jne SHORT .ReturnAttributeTypeInSI |
---|
| 181 | sub si, BYTE ATTRIBUTE_CHARS.cItem - ATTRIBUTE_CHARS.cHighlightedItem |
---|
| 182 | ALIGN JUMP_ALIGN, ret |
---|
| 183 | .ReturnAttributeTypeInSI: |
---|
| 184 | ret |
---|
| 185 | |
---|
| 186 | |
---|
| 187 | ;-------------------------------------------------------------------- |
---|
| 188 | ; DrawScrollbarIfNecessary |
---|
| 189 | ; Parameters |
---|
| 190 | ; CX: Item to refresh |
---|
| 191 | ; SS:BP: Ptr to MENU |
---|
| 192 | ; Returns: |
---|
| 193 | ; Nothing |
---|
| 194 | ; Corrupts registers: |
---|
[48] | 195 | ; AX, BX, DX, SI, DI |
---|
[41] | 196 | ;-------------------------------------------------------------------- |
---|
| 197 | ALIGN JUMP_ALIGN |
---|
| 198 | DrawScrollbarIfNecessary: |
---|
| 199 | push cx |
---|
| 200 | call .DrawSpacesBeforeScrollbarCharacter |
---|
| 201 | call MenuScrollbars_AreScrollbarsNeeded |
---|
| 202 | pop cx |
---|
| 203 | jc SHORT .DrawScrollbarCharacter |
---|
| 204 | ret |
---|
| 205 | |
---|
| 206 | ;-------------------------------------------------------------------- |
---|
| 207 | ; .DrawSpacesBeforeScrollbarCharacter |
---|
| 208 | ; Parameters |
---|
| 209 | ; CX: Item to refresh |
---|
| 210 | ; SS:BP: Ptr to MENU |
---|
| 211 | ; Returns: |
---|
| 212 | ; Nothing |
---|
| 213 | ; Corrupts registers: |
---|
| 214 | ; AX, CX, DX, DI |
---|
| 215 | ;-------------------------------------------------------------------- |
---|
| 216 | ALIGN JUMP_ALIGN |
---|
| 217 | .DrawSpacesBeforeScrollbarCharacter: |
---|
| 218 | CALL_DISPLAY_LIBRARY GetSoftwareCoordinatesToAX |
---|
| 219 | xchg dx, ax ; Current coordinates to DX |
---|
| 220 | mov ax, cx |
---|
| 221 | call MenuLocation_GetScrollbarCoordinatesToAXforItemInAX |
---|
| 222 | sub al, dl |
---|
| 223 | sub al, MENU_TEXT_COLUMN_OFFSET/2 |
---|
| 224 | |
---|
| 225 | eMOVZX cx, al |
---|
| 226 | jcxz .NoSpacesNeeded |
---|
| 227 | mov al, ' ' |
---|
| 228 | CALL_DISPLAY_LIBRARY PrintRepeatedCharacterFromALwithCountInCX |
---|
| 229 | ALIGN JUMP_ALIGN, ret |
---|
| 230 | .NoSpacesNeeded: |
---|
| 231 | ret |
---|
| 232 | |
---|
| 233 | ;-------------------------------------------------------------------- |
---|
| 234 | ; .DrawScrollbarCharacter |
---|
| 235 | ; Parameters |
---|
| 236 | ; CX: Item to refresh |
---|
| 237 | ; SS:BP: Ptr to MENU |
---|
| 238 | ; Returns: |
---|
| 239 | ; Nothing |
---|
| 240 | ; Corrupts registers: |
---|
[48] | 241 | ; AX, BX, DX, SI, DI |
---|
[41] | 242 | ;-------------------------------------------------------------------- |
---|
| 243 | ALIGN JUMP_ALIGN |
---|
| 244 | .DrawScrollbarCharacter: |
---|
| 245 | push cx |
---|
| 246 | |
---|
[48] | 247 | call MenuBorders_AdjustDisplayContextForDrawingBorders |
---|
[41] | 248 | |
---|
| 249 | mov ax, cx |
---|
| 250 | call MenuLocation_GetScrollbarCoordinatesToAXforItemInAX |
---|
| 251 | CALL_DISPLAY_LIBRARY SetCursorCoordinatesFromAX |
---|
| 252 | |
---|
| 253 | mov di, cx |
---|
| 254 | sub di, [bp+MENU.wFirstVisibleItem] ; Item to line |
---|
| 255 | call MenuScrollbars_GetScrollCharacterToALForLineInDI |
---|
| 256 | CALL_DISPLAY_LIBRARY PrintCharacterFromAL |
---|
| 257 | |
---|
| 258 | pop cx |
---|
| 259 | ret |
---|
| 260 | |
---|
| 261 | |
---|
| 262 | ;-------------------------------------------------------------------- |
---|
[48] | 263 | ; AdjustDisplayContextForDrawingTextsWithCharOutFunctionFromAX |
---|
[41] | 264 | ; Parameters |
---|
[48] | 265 | ; AX: Character output function |
---|
[41] | 266 | ; SI: Attribute type (from ATTRIBUTE_CHARS) |
---|
| 267 | ; SS:BP: Ptr to MENU |
---|
| 268 | ; Returns: |
---|
| 269 | ; Nothing |
---|
| 270 | ; Corrupts registers: |
---|
[45] | 271 | ; AX, BX, SI, DI |
---|
[41] | 272 | ;-------------------------------------------------------------------- |
---|
| 273 | ALIGN JUMP_ALIGN |
---|
[48] | 274 | AdjustDisplayContextForDrawingTextsWithCharOutFunctionFromAX: |
---|
[45] | 275 | mov bl, ATTRIBUTES_ARE_USED |
---|
| 276 | CALL_DISPLAY_LIBRARY SetCharOutputFunctionFromAXwithAttribFlagInBL |
---|
[41] | 277 | |
---|
| 278 | mov ax, bp |
---|
| 279 | CALL_DISPLAY_LIBRARY SetCharacterOutputParameterFromAX |
---|
| 280 | |
---|
| 281 | jmp MenuAttribute_SetToDisplayContextFromTypeInSI |
---|