[41] | 1 | ; File name : DialogFile.asm |
---|
| 2 | ; Project name : Assembly Library |
---|
| 3 | ; Created date : 6.9.2010 |
---|
[44] | 4 | ; Last update : 27.9.2010 |
---|
[41] | 5 | ; Author : Tomi Tilli |
---|
| 6 | ; Description : Displays file dialog. |
---|
| 7 | |
---|
| 8 | |
---|
| 9 | CURRENTDIR_CHARACTERS EQU 002Eh |
---|
| 10 | UPDIR_CHARACTERS EQU 2E2Eh |
---|
| 11 | |
---|
| 12 | ; Section containing code |
---|
| 13 | SECTION .text |
---|
| 14 | |
---|
| 15 | ;-------------------------------------------------------------------- |
---|
| 16 | ; DialogFile_GetFileNameWithIoInDSSI |
---|
| 17 | ; Parameters: |
---|
| 18 | ; DS:SI: Ptr to FILE_DIALOG_IO |
---|
| 19 | ; SS:BP: Ptr to parent MENU |
---|
| 20 | ; Returns: |
---|
| 21 | ; Nothing |
---|
| 22 | ; Corrupts registers: |
---|
| 23 | ; AX, BX, CX, DX, SI, DI |
---|
| 24 | ;-------------------------------------------------------------------- |
---|
| 25 | ALIGN JUMP_ALIGN |
---|
| 26 | DialogFile_GetFileNameWithIoInDSSI: |
---|
| 27 | mov bx, FileEventHandler |
---|
| 28 | mov BYTE [si+FILE_DIALOG_IO.bUserCancellation], TRUE |
---|
| 29 | jmp Dialog_DisplayWithDialogInputInDSSIandHandlerInBX |
---|
| 30 | |
---|
| 31 | |
---|
| 32 | ;-------------------------------------------------------------------- |
---|
| 33 | ; FileEventHandler |
---|
| 34 | ; Common parameters for all events: |
---|
| 35 | ; BX: Menu event (anything from MENUEVENT struct) |
---|
| 36 | ; SS:BP: Ptr to DIALOG |
---|
| 37 | ; Common return values for all events: |
---|
| 38 | ; CF: Set if event processed |
---|
| 39 | ; Cleared if event not processed |
---|
| 40 | ; Corrupts registers: |
---|
| 41 | ; All |
---|
| 42 | ;-------------------------------------------------------------------- |
---|
| 43 | ALIGN JUMP_ALIGN |
---|
| 44 | FileEventHandler: |
---|
| 45 | jmp [cs:bx+.rgfnEventHandlers] |
---|
| 46 | |
---|
| 47 | |
---|
| 48 | ALIGN JUMP_ALIGN |
---|
| 49 | .ItemSelectedFromCX: |
---|
| 50 | call LoadItemStringBufferToESDI |
---|
| 51 | call LineSplitter_GetOffsetToSIforLineCXfromStringInESDI |
---|
| 52 | push es |
---|
| 53 | pop ds |
---|
| 54 | jmp ParseSelectionFromItemLineInDSSI |
---|
| 55 | |
---|
| 56 | |
---|
| 57 | ALIGN JUMP_ALIGN |
---|
| 58 | .RefreshInformation: |
---|
| 59 | call GetInfoLinesToCXandDialogFlagsToAX |
---|
| 60 | mov si, [cs:.rgszInfoStringLookup] |
---|
| 61 | xor bx, bx |
---|
| 62 | xchg dx, ax |
---|
| 63 | ALIGN JUMP_ALIGN |
---|
| 64 | .InfoLineLoop: |
---|
| 65 | shr dl, 1 |
---|
| 66 | jnc SHORT .CheckNextFlag |
---|
| 67 | mov si, [cs:bx+.rgszInfoStringLookup] |
---|
| 68 | push bx |
---|
| 69 | CALL_DISPLAY_LIBRARY PrintNullTerminatedStringFromCSSI |
---|
| 70 | pop bx |
---|
| 71 | ALIGN JUMP_ALIGN |
---|
| 72 | .CheckNextFlag: |
---|
| 73 | inc bx |
---|
| 74 | inc bx |
---|
| 75 | loop .InfoLineLoop |
---|
| 76 | stc ; Event processed |
---|
| 77 | ret |
---|
| 78 | |
---|
| 79 | |
---|
| 80 | ALIGN WORD_ALIGN |
---|
| 81 | .rgszInfoStringLookup: |
---|
| 82 | dw g_szChangeDrive |
---|
| 83 | dw g_szSelectDirectory |
---|
| 84 | dw g_szCreateNew |
---|
| 85 | |
---|
| 86 | .rgfnEventHandlers: |
---|
| 87 | istruc MENUEVENT |
---|
| 88 | at MENUEVENT.InitializeMenuinitFromDSSI, dw InitializeMenuinitFromSSBP |
---|
| 89 | at MENUEVENT.ExitMenu, dw Dialog_EventNotHandled |
---|
| 90 | at MENUEVENT.IdleProcessing, dw Dialog_EventNotHandled |
---|
| 91 | at MENUEVENT.ItemHighlightedFromCX, dw Dialog_EventNotHandled |
---|
| 92 | at MENUEVENT.ItemSelectedFromCX, dw .ItemSelectedFromCX |
---|
| 93 | at MENUEVENT.KeyStrokeInAX, dw HandleFunctionKeyFromAH |
---|
| 94 | at MENUEVENT.RefreshTitle, dw Dialog_EventRefreshTitle |
---|
| 95 | at MENUEVENT.RefreshInformation, dw .RefreshInformation |
---|
| 96 | at MENUEVENT.RefreshItemFromCX, dw Dialog_EventRefreshItemFromCX |
---|
| 97 | iend |
---|
| 98 | |
---|
| 99 | |
---|
| 100 | ;-------------------------------------------------------------------- |
---|
| 101 | ; InitializeMenuinitFromSSBP |
---|
| 102 | ; Parameters: |
---|
| 103 | ; DS:SI: Ptr to MENUINIT to initialize (also points to DIALOG) |
---|
| 104 | ; SS:BP: Ptr to DIALOG |
---|
| 105 | ; Returns: |
---|
| 106 | ; Nothing |
---|
| 107 | ; Corrupts registers: |
---|
| 108 | ; All, except BP |
---|
| 109 | ;-------------------------------------------------------------------- |
---|
| 110 | ALIGN JUMP_ALIGN |
---|
| 111 | InitializeMenuinitFromSSBP: |
---|
| 112 | call LoadItemStringBufferToESDI |
---|
| 113 | call CreateStringFromCurrentDirectoryContentsToESDI |
---|
| 114 | push ss |
---|
| 115 | pop ds |
---|
| 116 | mov si, bp |
---|
| 117 | call Dialog_EventInitializeMenuinitFromDSSI |
---|
| 118 | call GetInfoLinesToCXandDialogFlagsToAX |
---|
| 119 | mov [bp+MENUINIT.bInfoLines], cl |
---|
| 120 | CALL_DISPLAY_LIBRARY GetColumnsToALandRowsToAH |
---|
| 121 | mov [bp+MENUINIT.bHeight], ah ; Always max height |
---|
| 122 | mov WORD [bp+MENU.wHighlightedItem], 0 |
---|
| 123 | ret |
---|
| 124 | |
---|
| 125 | |
---|
| 126 | ;-------------------------------------------------------------------- |
---|
| 127 | ; LoadItemStringBufferToESDI |
---|
| 128 | ; Parameters: |
---|
| 129 | ; SS:BP: Ptr to DIALOG |
---|
| 130 | ; Returns: |
---|
| 131 | ; ES:DI: Ptr to item string buffer |
---|
| 132 | ; Corrupts registers: |
---|
| 133 | ; Nothing |
---|
| 134 | ;-------------------------------------------------------------------- |
---|
| 135 | ALIGN JUMP_ALIGN |
---|
| 136 | LoadItemStringBufferToESDI: |
---|
| 137 | les di, [bp+DIALOG.fpDialogIO] |
---|
| 138 | les di, [es:di+FILE_DIALOG_IO.fszItemBuffer] |
---|
| 139 | ret |
---|
| 140 | |
---|
| 141 | |
---|
| 142 | ;-------------------------------------------------------------------- |
---|
| 143 | ; CreateStringFromCurrentDirectoryContentsToESDI |
---|
| 144 | ; Parameters: |
---|
| 145 | ; ES:DI: Buffer where to create item string |
---|
| 146 | ; SS:BP: Ptr to DIALOG |
---|
| 147 | ; Returns: |
---|
| 148 | ; Nothing |
---|
| 149 | ; Corrupts registers: |
---|
[44] | 150 | ; AX, CX, DX, SI, DI, DS, ES |
---|
[41] | 151 | ;-------------------------------------------------------------------- |
---|
| 152 | ALIGN JUMP_ALIGN |
---|
| 153 | CreateStringFromCurrentDirectoryContentsToESDI: |
---|
| 154 | lds si, [bp+DIALOG.fpDialogIO] |
---|
| 155 | eMOVZX cx, BYTE [si+FILE_DIALOG_IO.bFileAttributes] |
---|
| 156 | lds si, [si+FILE_DIALOG_IO.fpFileFilterString] |
---|
| 157 | call Directory_UpdateDTAForFirstMatchForDSSIwithAttributesInCX |
---|
| 158 | rcr cx, 1 ; Store CF |
---|
| 159 | call .ClearDLifInRootDirectory |
---|
| 160 | call Directory_GetDiskTransferAreaAddressToDSSI |
---|
| 161 | rcl cx, 1 ; Restore CF |
---|
| 162 | ; Fall to .FindMatchingFilesAndWriteThemToESDI |
---|
| 163 | |
---|
| 164 | ;-------------------------------------------------------------------- |
---|
| 165 | ; .FindMatchingFilesAndWriteThemToESDI |
---|
| 166 | ; Parameters: |
---|
| 167 | ; DL: Zero if root directory selected |
---|
| 168 | ; DS:SI: Ptr to DTA with first matching file |
---|
| 169 | ; ES:DI: Ptr to destination string buffer |
---|
| 170 | ; Returns: |
---|
| 171 | ; Nothing |
---|
| 172 | ; Corrupts registers: |
---|
[44] | 173 | ; AX, CX, DX, DI |
---|
[41] | 174 | ;-------------------------------------------------------------------- |
---|
| 175 | ;ALIGN JUMP_ALIGN |
---|
| 176 | .FindMatchingFilesAndWriteThemToESDI: |
---|
| 177 | jc SHORT RemoveLastLFandTerminateESDIwithNull |
---|
| 178 | call AppendFileToBufferInESDIfromDtaInDSSI |
---|
| 179 | call Directory_UpdateDTAForNextMatchUsingPreviousParameters |
---|
| 180 | jmp SHORT .FindMatchingFilesAndWriteThemToESDI |
---|
| 181 | |
---|
| 182 | ;-------------------------------------------------------------------- |
---|
| 183 | ; .ClearDLifInRootDirectory |
---|
| 184 | ; Parameters: |
---|
| 185 | ; SS:BP: Ptr to DIALOG |
---|
| 186 | ; ES:DI: Ptr to destination string buffer |
---|
| 187 | ; Returns: |
---|
| 188 | ; DL: Cleared if in root directory |
---|
| 189 | ; Set if in any other directory |
---|
| 190 | ; Corrupts registers: |
---|
| 191 | ; AX, SI, DS |
---|
| 192 | ;-------------------------------------------------------------------- |
---|
| 193 | ALIGN JUMP_ALIGN |
---|
| 194 | .ClearDLifInRootDirectory: |
---|
| 195 | push es |
---|
| 196 | pop ds |
---|
| 197 | mov si, di |
---|
| 198 | call Directory_WriteCurrentPathToDSSI |
---|
| 199 | mov dl, [si] |
---|
| 200 | ret |
---|
| 201 | |
---|
| 202 | ;-------------------------------------------------------------------- |
---|
| 203 | ; RemoveLastLFandTerminateESDIwithNull |
---|
| 204 | ; Parameters: |
---|
| 205 | ; ES:DI: Ptr to destination string buffer |
---|
| 206 | ; Returns: |
---|
| 207 | ; Nothing |
---|
| 208 | ; Corrupts registers: |
---|
| 209 | ; AX |
---|
| 210 | ;-------------------------------------------------------------------- |
---|
| 211 | ALIGN JUMP_ALIGN |
---|
| 212 | RemoveLastLFandTerminateESDIwithNull: |
---|
| 213 | xor ax, ax |
---|
| 214 | dec di ; Remove last LF |
---|
| 215 | stosb |
---|
| 216 | ret |
---|
| 217 | |
---|
| 218 | ;-------------------------------------------------------------------- |
---|
| 219 | ; AppendFileToBufferInESDIfromDtaInDSSI |
---|
| 220 | ; Parameters: |
---|
| 221 | ; DL: Zero if root directory selected |
---|
| 222 | ; DS:SI: Ptr to DTA containing file information |
---|
| 223 | ; ES:DI: Ptr to destination string buffer |
---|
| 224 | ; Returns: |
---|
| 225 | ; DI: Updated for next file |
---|
| 226 | ; Corrupts registers: |
---|
[44] | 227 | ; AX, BX, CX, DX |
---|
[41] | 228 | ;-------------------------------------------------------------------- |
---|
| 229 | ALIGN JUMP_ALIGN |
---|
| 230 | AppendFileToBufferInESDIfromDtaInDSSI: |
---|
| 231 | call .FilterCurrentDirectory ; We never want "." |
---|
| 232 | call .FilterUpDirectoryWhenInRoot ; No ".." when in root directory |
---|
| 233 | ; Fall to .PrepareBufferFormattingAndFormatFromDTAinDSSI |
---|
| 234 | |
---|
| 235 | ;-------------------------------------------------------------------- |
---|
| 236 | ; .PrepareBufferFormattingAndFormatFromDTAinDSSI |
---|
| 237 | ; Parameters: |
---|
| 238 | ; DS:SI: Ptr to DTA containing file information |
---|
| 239 | ; ES:DI: Ptr to destination string buffer |
---|
| 240 | ; Returns: |
---|
| 241 | ; DI: Updated for next file |
---|
| 242 | ; Corrupts registers: |
---|
[44] | 243 | ; AX, BX, CX, DX |
---|
[41] | 244 | ;-------------------------------------------------------------------- |
---|
| 245 | ;ALIGN JUMP_ALIGN |
---|
| 246 | .PrepareBufferFormattingAndFormatFromDTAinDSSI: |
---|
| 247 | push bp |
---|
| 248 | push si |
---|
| 249 | mov cx, di |
---|
| 250 | CALL_DISPLAY_LIBRARY PushDisplayContext |
---|
| 251 | |
---|
| 252 | mov bx, es |
---|
| 253 | xchg ax, cx |
---|
| 254 | CALL_DISPLAY_LIBRARY SetCharacterPointerFromBXAX |
---|
[44] | 255 | mov dl, ATTRIBUTES_NOT_USED |
---|
[41] | 256 | mov ax, BUFFER_OUTPUT_WITH_CHAR_ONLY |
---|
[44] | 257 | CALL_DISPLAY_LIBRARY SetCharOutputFunctionFromAXwithAttribFlagInDL |
---|
[41] | 258 | |
---|
| 259 | call .FormatFileOrDirectoryToBufferFromDTAinDSSI |
---|
| 260 | |
---|
| 261 | CALL_DISPLAY_LIBRARY GetCharacterPointerToBXAX |
---|
| 262 | mov es, bx |
---|
| 263 | xchg cx, ax |
---|
| 264 | CALL_DISPLAY_LIBRARY PopDisplayContext |
---|
| 265 | mov di, cx |
---|
| 266 | pop si |
---|
| 267 | pop bp |
---|
| 268 | ret |
---|
| 269 | |
---|
| 270 | ;-------------------------------------------------------------------- |
---|
| 271 | ; .FormatFileOrDirectoryToBufferFromDTAinDSSI |
---|
| 272 | ; Parameters: |
---|
| 273 | ; DS:SI: Ptr to DTA containing file information |
---|
| 274 | ; Returns: |
---|
| 275 | ; Nothing |
---|
| 276 | ; Corrupts registers: |
---|
| 277 | ; AX, BX, CX, DX, SI, DI, BP |
---|
| 278 | ;-------------------------------------------------------------------- |
---|
| 279 | ALIGN JUMP_ALIGN |
---|
| 280 | .FormatFileOrDirectoryToBufferFromDTAinDSSI: |
---|
| 281 | mov bp, sp |
---|
| 282 | lea ax, [si+DTA.szFile] |
---|
| 283 | push ax |
---|
| 284 | push ds |
---|
| 285 | |
---|
| 286 | test BYTE [si+DTA.bFileAttributes], FLG_FILEATTR_DIRECTORY |
---|
| 287 | jnz SHORT .FormatDirectory |
---|
| 288 | |
---|
| 289 | mov ax, [si+DTA.dwFileSize] |
---|
| 290 | mov dx, [si+DTA.dwFileSize+2] |
---|
| 291 | xor bx, bx |
---|
| 292 | xor cx, cx |
---|
| 293 | call Size_GetSizeToAXAndCharToDLfromBXDXAXwithMagnitudeInCX |
---|
| 294 | mov cl, 'i' |
---|
| 295 | cmp dl, ' ' |
---|
| 296 | eCMOVE cl, dl |
---|
| 297 | push ax |
---|
| 298 | push dx |
---|
| 299 | push cx |
---|
| 300 | mov si, g_szFileFormat |
---|
| 301 | jmp SHORT .FormatStringInCSSIandReturn |
---|
| 302 | |
---|
| 303 | ALIGN JUMP_ALIGN |
---|
| 304 | .FormatDirectory: |
---|
| 305 | mov ax, g_szSub |
---|
| 306 | cmp WORD [si+DTA.szFile], UPDIR_CHARACTERS |
---|
| 307 | eCMOVE ax, g_szUp |
---|
| 308 | push ax |
---|
| 309 | mov si, g_szDirectoryFormat |
---|
| 310 | ALIGN JUMP_ALIGN |
---|
| 311 | .FormatStringInCSSIandReturn: |
---|
| 312 | CALL_DISPLAY_LIBRARY FormatNullTerminatedStringFromCSSI |
---|
| 313 | ret |
---|
| 314 | |
---|
| 315 | ;-------------------------------------------------------------------- |
---|
| 316 | ; .FilterCurrentDirectory |
---|
| 317 | ; .FilterUpDirectoryWhenInRoot |
---|
| 318 | ; Parameters: |
---|
| 319 | ; DL: Zero if root directory selected |
---|
| 320 | ; DS:SI: Ptr to DTA containing file information |
---|
| 321 | ; Returns: |
---|
| 322 | ; Nothing |
---|
| 323 | ; Returns from AppendFileToBufferInESDIfromDtaInDSSI when filtering |
---|
| 324 | ; Corrupts registers: |
---|
| 325 | ; AX |
---|
| 326 | ;-------------------------------------------------------------------- |
---|
| 327 | ALIGN JUMP_ALIGN |
---|
| 328 | .FilterCurrentDirectory: |
---|
| 329 | cmp WORD [si+DTA.szFile], CURRENTDIR_CHARACTERS |
---|
| 330 | jne SHORT .ReturnWithoutFiltering |
---|
| 331 | add sp, BYTE 2 ; Remove return address from stack |
---|
| 332 | ret |
---|
| 333 | |
---|
| 334 | ALIGN JUMP_ALIGN |
---|
| 335 | .FilterUpDirectoryWhenInRoot: |
---|
| 336 | test dl, dl ; Set ZF if root directory selected |
---|
| 337 | jnz SHORT .ReturnWithoutFiltering |
---|
| 338 | cmp WORD [si+DTA.szFile], UPDIR_CHARACTERS |
---|
| 339 | jne SHORT .ReturnWithoutFiltering |
---|
| 340 | add sp, BYTE 2 ; Remove return address from stack |
---|
| 341 | ALIGN JUMP_ALIGN, ret |
---|
| 342 | .ReturnWithoutFiltering: |
---|
| 343 | ret |
---|
| 344 | |
---|
| 345 | |
---|
| 346 | ;-------------------------------------------------------------------- |
---|
| 347 | ; GetInfoLinesToCXandDialogFlagsToAX |
---|
| 348 | ; Parameters: |
---|
| 349 | ; SS:BP: Ptr to DIALOG |
---|
| 350 | ; Returns: |
---|
| 351 | ; AX: Dialog flags |
---|
| 352 | ; CX: Number of info lines to be displayed |
---|
| 353 | ; Corrupts registers: |
---|
| 354 | ; SI, DS |
---|
| 355 | ;-------------------------------------------------------------------- |
---|
| 356 | ALIGN JUMP_ALIGN |
---|
| 357 | GetInfoLinesToCXandDialogFlagsToAX: |
---|
| 358 | xor ax, ax |
---|
| 359 | call GetDialogFlagsToAL |
---|
| 360 | jmp Bit_GetSetCountToCXfromAX |
---|
| 361 | |
---|
| 362 | ;-------------------------------------------------------------------- |
---|
| 363 | ; GetDialogFlagsToAL |
---|
| 364 | ; Parameters: |
---|
| 365 | ; SS:BP: Ptr to DIALOG |
---|
| 366 | ; Returns: |
---|
| 367 | ; AL: Dialog flags |
---|
| 368 | ; Corrupts registers: |
---|
| 369 | ; SI, DS |
---|
| 370 | ;-------------------------------------------------------------------- |
---|
| 371 | ALIGN JUMP_ALIGN |
---|
| 372 | GetDialogFlagsToAL: |
---|
| 373 | lds si, [bp+DIALOG.fpDialogIO] |
---|
| 374 | mov al, [si+FILE_DIALOG_IO.bDialogFlags] |
---|
| 375 | ret |
---|
| 376 | |
---|
| 377 | |
---|
| 378 | ;-------------------------------------------------------------------- |
---|
| 379 | ; ParseSelectionFromItemLineInDSSI |
---|
| 380 | ; Parameters: |
---|
| 381 | ; DS:SI: Ptr to char buffer containing file or directory to be selected |
---|
| 382 | ; SS:BP: Ptr to DIALOG |
---|
| 383 | ; Returns: |
---|
| 384 | ; Nothing |
---|
| 385 | ; Corrupts registers: |
---|
| 386 | ; All, except BP |
---|
| 387 | ;-------------------------------------------------------------------- |
---|
| 388 | ALIGN JUMP_ALIGN |
---|
| 389 | ParseSelectionFromItemLineInDSSI: |
---|
| 390 | cmp BYTE [si], '[' |
---|
| 391 | je SHORT .ChangeToSubdirInDSSI |
---|
| 392 | ; Fall to .SelectFileFromDSSI |
---|
| 393 | |
---|
| 394 | ;-------------------------------------------------------------------- |
---|
| 395 | ; .SelectFileFromDSSI |
---|
| 396 | ; Parameters: |
---|
| 397 | ; DS:SI: Ptr to char buffer containing file name to be selected |
---|
| 398 | ; SS:BP: Ptr to DIALOG |
---|
| 399 | ; Returns: |
---|
| 400 | ; Nothing (exits dialog) |
---|
| 401 | ; Corrupts registers: |
---|
| 402 | ; All, except BP |
---|
| 403 | ;-------------------------------------------------------------------- |
---|
| 404 | ;ALIGN JUMP_ALIGN |
---|
| 405 | .SelectFileFromDSSI: |
---|
| 406 | les di, [bp+DIALOG.fpDialogIO] |
---|
| 407 | add di, BYTE FILE_DIALOG_IO.szFile |
---|
| 408 | mov cx, FILENAME_BUFFER_SIZE-1 |
---|
| 409 | cld |
---|
| 410 | rep movsb |
---|
| 411 | xor ax, ax |
---|
| 412 | stosb ; Terminate with NULL |
---|
| 413 | jmp CloseFileDialogAfterSuccessfullSelection |
---|
| 414 | |
---|
| 415 | ;-------------------------------------------------------------------- |
---|
| 416 | ; ChangeToSubdirInDSSI |
---|
| 417 | ; Parameters: |
---|
| 418 | ; DS:SI: NULL terminated string containing new subdir in [] |
---|
| 419 | ; SS:BP: Ptr to DIALOG |
---|
| 420 | ; Returns: |
---|
| 421 | ; Nothing |
---|
| 422 | ; Corrupts registers: |
---|
| 423 | ; All, except BP |
---|
| 424 | ;-------------------------------------------------------------------- |
---|
| 425 | ALIGN JUMP_ALIGN |
---|
| 426 | .ChangeToSubdirInDSSI: |
---|
| 427 | inc si ; Skip '[' |
---|
| 428 | mov BYTE [si+12], NULL ; Replace ']' with NULL |
---|
| 429 | cmp WORD [si], UPDIR_CHARACTERS |
---|
| 430 | eCMOVE si, g_szUpdir ; Real DOS do not accept spaces after ".." |
---|
| 431 | call Directory_ChangeToPathFromDSSI |
---|
| 432 | ; Fall to RefreshFilesToDisplay |
---|
| 433 | |
---|
| 434 | ;-------------------------------------------------------------------- |
---|
| 435 | ; RefreshFilesToDisplay |
---|
| 436 | ; Parameters: |
---|
| 437 | ; SS:BP: Ptr to DIALOG |
---|
| 438 | ; Returns: |
---|
| 439 | ; Nothing |
---|
| 440 | ; Corrupts registers: |
---|
| 441 | ; All, except BP |
---|
| 442 | ;-------------------------------------------------------------------- |
---|
| 443 | ALIGN JUMP_ALIGN |
---|
| 444 | RefreshFilesToDisplay: |
---|
| 445 | call InitializeMenuinitFromSSBP |
---|
| 446 | jmp MenuInit_RefreshMenuWindow |
---|
| 447 | |
---|
| 448 | |
---|
| 449 | ;-------------------------------------------------------------------- |
---|
| 450 | ; HandleFunctionKeyFromAH |
---|
| 451 | ; Parameters: |
---|
| 452 | ; AH: Scancode for function key |
---|
| 453 | ; SS:BP: Ptr to DIALOG |
---|
| 454 | ; Returns: |
---|
| 455 | ; Nothing |
---|
| 456 | ; Corrupts registers: |
---|
| 457 | ; AX, SI, DI, BP |
---|
| 458 | ;-------------------------------------------------------------------- |
---|
| 459 | ALIGN JUMP_ALIGN |
---|
| 460 | HandleFunctionKeyFromAH: |
---|
| 461 | call GetDialogFlagsToAL |
---|
| 462 | cmp ah, KEY_FILEDIALOG_NEW_FILE_OR_DIR |
---|
| 463 | je SHORT HandleFunctionKeyForCreatingNewFileOrDirectory |
---|
| 464 | cmp ah, KEY_FILEDIALOG_SELECT_DIRECTORY |
---|
| 465 | je SHORT HandleFunctionKeyForSelectingDirectoryInsteadOfFile |
---|
| 466 | cmp ah, KEY_FILEDIALOG_CHANGE_DRIVE |
---|
| 467 | je SHORT HandleFunctionKeyForDriveChange |
---|
| 468 | ReturnWithoutHandlingKeystroke: |
---|
| 469 | clc ; Event not processed |
---|
| 470 | ret |
---|
| 471 | |
---|
| 472 | |
---|
| 473 | ;-------------------------------------------------------------------- |
---|
| 474 | ; HandleFunctionKeyForCreatingNewFileOrDirectory |
---|
| 475 | ; Parameters: |
---|
| 476 | ; AL: File dialog flags |
---|
| 477 | ; SS:BP: Ptr to DIALOG |
---|
| 478 | ; Returns: |
---|
| 479 | ; Closes file dialog |
---|
| 480 | ; Corrupts registers: |
---|
| 481 | ; All, except BP |
---|
| 482 | ;-------------------------------------------------------------------- |
---|
| 483 | ALIGN JUMP_ALIGN |
---|
| 484 | HandleFunctionKeyForCreatingNewFileOrDirectory: |
---|
| 485 | test al, FLG_FILEDIALOG_NEW |
---|
| 486 | jz SHORT ReturnWithoutHandlingKeystroke |
---|
| 487 | |
---|
| 488 | mov cx, STRING_DIALOG_IO_size |
---|
| 489 | call Memory_ReserveCXbytesFromStackToDSSI |
---|
| 490 | call .InitializeStringDialogIoInDSSIforInputtingFileName |
---|
| 491 | |
---|
| 492 | CALL_MENU_LIBRARY GetStringWithIoInDSSI |
---|
| 493 | mov al, [si+STRING_DIALOG_IO.bUserCancellation] |
---|
| 494 | add sp, BYTE STRING_DIALOG_IO_size |
---|
| 495 | test al, al ; User cancellation? |
---|
| 496 | jnz SHORT ReturnWithoutHandlingKeystroke |
---|
| 497 | jmp CloseFileDialogAfterSuccessfullSelection |
---|
| 498 | |
---|
| 499 | ALIGN JUMP_ALIGN |
---|
| 500 | .InitializeStringDialogIoInDSSIforInputtingFileName: |
---|
| 501 | call InitializeNullStringsToDialogInputInDSSI |
---|
| 502 | mov WORD [si+DIALOG_INPUT.fszTitle], g_szEnterNewFileOrDirectory |
---|
| 503 | mov WORD [si+STRING_DIALOG_IO.fnCharFilter], NULL |
---|
| 504 | mov WORD [si+STRING_DIALOG_IO.wBufferSize], FILENAME_BUFFER_SIZE |
---|
| 505 | les ax, [bp+DIALOG.fpDialogIO] |
---|
| 506 | add ax, BYTE FILE_DIALOG_IO.szFile |
---|
| 507 | mov [si+STRING_DIALOG_IO.fpReturnBuffer], ax |
---|
| 508 | mov [si+STRING_DIALOG_IO.fpReturnBuffer+2], es |
---|
| 509 | ret |
---|
| 510 | |
---|
| 511 | |
---|
| 512 | ;-------------------------------------------------------------------- |
---|
| 513 | ; HandleFunctionKeyForSelectingDirectoryInsteadOfFile |
---|
| 514 | ; Parameters: |
---|
| 515 | ; AL: File dialog flags |
---|
| 516 | ; SS:BP: Ptr to DIALOG |
---|
| 517 | ; Returns: |
---|
| 518 | ; Closes file dialog |
---|
| 519 | ; Corrupts registers: |
---|
| 520 | ; All, except BP |
---|
| 521 | ;-------------------------------------------------------------------- |
---|
| 522 | ALIGN JUMP_ALIGN |
---|
| 523 | HandleFunctionKeyForSelectingDirectoryInsteadOfFile: |
---|
| 524 | test al, FLG_FILEDIALOG_DIRECTORY |
---|
| 525 | jz SHORT ReturnWithoutHandlingKeystroke |
---|
| 526 | ; Fall to CloseFileDialogAfterSuccessfullSelection |
---|
| 527 | |
---|
| 528 | ;-------------------------------------------------------------------- |
---|
| 529 | ; CloseFileDialogAfterSuccessfullSelection |
---|
| 530 | ; Parameters: |
---|
| 531 | ; SS:BP: Ptr to DIALOG |
---|
| 532 | ; Returns: |
---|
| 533 | ; Nothing (exits dialog) |
---|
| 534 | ; Corrupts registers: |
---|
| 535 | ; All, except BP |
---|
| 536 | ;-------------------------------------------------------------------- |
---|
| 537 | ALIGN JUMP_ALIGN |
---|
| 538 | CloseFileDialogAfterSuccessfullSelection: |
---|
| 539 | lds di, [bp+DIALOG.fpDialogIO] |
---|
| 540 | mov BYTE [di+FILE_DIALOG_IO.bUserCancellation], FALSE |
---|
| 541 | jmp MenuInit_CloseMenuWindow |
---|
| 542 | |
---|
| 543 | |
---|
| 544 | ;-------------------------------------------------------------------- |
---|
| 545 | ; HandleFunctionKeyForDriveChange |
---|
| 546 | ; Parameters: |
---|
| 547 | ; AL: File dialog flags |
---|
| 548 | ; SS:BP: Ptr to DIALOG |
---|
| 549 | ; Returns: |
---|
| 550 | ; Nothing |
---|
| 551 | ; Corrupts registers: |
---|
| 552 | ; All, except BP |
---|
| 553 | ;-------------------------------------------------------------------- |
---|
| 554 | ALIGN JUMP_ALIGN |
---|
| 555 | HandleFunctionKeyForDriveChange: |
---|
| 556 | test al, FLG_FILEDIALOG_DRIVES |
---|
| 557 | jz SHORT ReturnWithoutHandlingKeystroke |
---|
| 558 | |
---|
| 559 | call .ShowDriveSelectionDialogAndGetDriveNumberToDL |
---|
| 560 | jnc SHORT RefreshFilesToDisplay |
---|
| 561 | call Drive_SetDefaultFromDL |
---|
| 562 | jmp SHORT RefreshFilesToDisplay |
---|
| 563 | |
---|
| 564 | ;-------------------------------------------------------------------- |
---|
| 565 | ; .ShowDriveSelectionDialogAndGetDriveNumberToDL |
---|
| 566 | ; Parameters: |
---|
| 567 | ; SS:BP: Ptr to DIALOG |
---|
| 568 | ; Returns: |
---|
| 569 | ; DL: Drive selected by user |
---|
| 570 | ; CF: Set if new drive selected |
---|
| 571 | ; Cleared if selection cancelled by user |
---|
| 572 | ; Corrupts registers: |
---|
| 573 | ; All, except BP |
---|
| 574 | ;-------------------------------------------------------------------- |
---|
| 575 | ALIGN JUMP_ALIGN |
---|
| 576 | .ShowDriveSelectionDialogAndGetDriveNumberToDL: |
---|
| 577 | mov cx, DIALOG_INPUT_size |
---|
| 578 | call Memory_ReserveCXbytesFromStackToDSSI |
---|
| 579 | call .InitializeDialogInputInDSSIforDriveSelection |
---|
| 580 | call DialogSelection_GetSelectionToAXwithInputInDSSI |
---|
| 581 | add sp, BYTE DIALOG_INPUT_size |
---|
| 582 | cmp ax, BYTE NO_ITEM_SELECTED ; Clear CF if equal |
---|
| 583 | jne SHORT .ConvertDriveNumberToDLfromItemIndexInAX |
---|
| 584 | ret |
---|
| 585 | |
---|
| 586 | ALIGN JUMP_ALIGN |
---|
| 587 | .InitializeDialogInputInDSSIforDriveSelection: |
---|
| 588 | call InitializeNullStringsToDialogInputInDSSI |
---|
| 589 | call LoadItemStringBufferToESDI |
---|
| 590 | mov WORD [si+DIALOG_INPUT.fszTitle], g_szSelectNewDrive |
---|
| 591 | mov [si+DIALOG_INPUT.fszItems], di |
---|
| 592 | mov [si+DIALOG_INPUT.fszItems+2], es |
---|
| 593 | call Drive_GetFlagsForAvailableDrivesToDXAX |
---|
| 594 | ; Fall to .GenerateDriveSelectionStringToESDIfromDriveFlagsInDXAX |
---|
| 595 | |
---|
| 596 | ;-------------------------------------------------------------------- |
---|
| 597 | ; .GenerateDriveSelectionStringToESDIfromDriveFlagsInDXAX |
---|
| 598 | ; Parameters: |
---|
| 599 | ; DX:AX: Drive letter flags |
---|
| 600 | ; ES:DI: Ptr to item string buffer |
---|
| 601 | ; SS:BP: Ptr to DIALOG |
---|
| 602 | ; Returns: |
---|
| 603 | ; Nothing |
---|
| 604 | ; Corrupts registers: |
---|
| 605 | ; AX, BX, CX, DX, DI, ES |
---|
| 606 | ;-------------------------------------------------------------------- |
---|
| 607 | ;ALIGN JUMP_ALIGN |
---|
| 608 | .GenerateDriveSelectionStringToESDIfromDriveFlagsInDXAX: |
---|
| 609 | cld |
---|
| 610 | xchg cx, ax |
---|
| 611 | mov ax, 3A41h ; A: |
---|
| 612 | ALIGN JUMP_ALIGN |
---|
| 613 | .BitShiftLoop: |
---|
| 614 | shr dx, 1 |
---|
| 615 | rcr cx, 1 |
---|
| 616 | jnc SHORT .CheckIfMoreDrivesLeft |
---|
| 617 | stosw |
---|
| 618 | mov BYTE [es:di], LF |
---|
| 619 | inc di |
---|
| 620 | ALIGN JUMP_ALIGN |
---|
| 621 | .CheckIfMoreDrivesLeft: |
---|
| 622 | inc ax ; Next drive letter |
---|
| 623 | mov bx, dx |
---|
| 624 | or bx, cx |
---|
| 625 | jnz SHORT .BitShiftLoop |
---|
| 626 | jmp RemoveLastLFandTerminateESDIwithNull |
---|
| 627 | |
---|
| 628 | ;-------------------------------------------------------------------- |
---|
| 629 | ; .ConvertDriveNumberToDLfromItemIndexInAX |
---|
| 630 | ; Parameters: |
---|
| 631 | ; AX: Selected drive item |
---|
| 632 | ; Returns: |
---|
| 633 | ; DL: Drive number |
---|
| 634 | ; CF: Set since drive selected |
---|
| 635 | ; Corrupts registers: |
---|
| 636 | ; AX, CX, DH |
---|
| 637 | ;-------------------------------------------------------------------- |
---|
| 638 | ALIGN JUMP_ALIGN |
---|
| 639 | .ConvertDriveNumberToDLfromItemIndexInAX: |
---|
| 640 | mov ah, -1 |
---|
| 641 | xchg cx, ax |
---|
| 642 | call Drive_GetFlagsForAvailableDrivesToDXAX |
---|
| 643 | ALIGN JUMP_ALIGN |
---|
| 644 | .BitScanLoop: |
---|
| 645 | shr dx, 1 |
---|
| 646 | rcr ax, 1 |
---|
| 647 | inc ch ; Increment drive number |
---|
| 648 | sbb cl, 0 ; Decrement selection index |
---|
| 649 | jnc SHORT .BitScanLoop |
---|
| 650 | mov dl, ch |
---|
| 651 | stc ; Drive selected by user |
---|
| 652 | ret |
---|
| 653 | |
---|
| 654 | |
---|
| 655 | ;-------------------------------------------------------------------- |
---|
| 656 | ; InitializeNullStringsToDialogInputInDSSI |
---|
| 657 | ; Parameters: |
---|
| 658 | ; DS:SI: Ptr to DIALOG_INPUT |
---|
| 659 | ; SS:BP: Ptr to DIALOG |
---|
| 660 | ; Returns: |
---|
| 661 | ; Nothing |
---|
| 662 | ; Corrupts registers: |
---|
| 663 | ; AX |
---|
| 664 | ;-------------------------------------------------------------------- |
---|
| 665 | ALIGN JUMP_ALIGN |
---|
| 666 | InitializeNullStringsToDialogInputInDSSI: |
---|
| 667 | mov ax, g_szNull |
---|
| 668 | mov [si+DIALOG_INPUT.fszTitle], ax |
---|
| 669 | mov [si+DIALOG_INPUT.fszTitle+2], cs |
---|
| 670 | mov [si+DIALOG_INPUT.fszItems], ax |
---|
| 671 | mov [si+DIALOG_INPUT.fszItems+2], cs |
---|
| 672 | mov [si+DIALOG_INPUT.fszInfo], ax |
---|
| 673 | mov [si+DIALOG_INPUT.fszInfo+2], cs |
---|
| 674 | ret |
---|