[41] | 1 | ; Project name : Assembly Library |
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| 2 | ; Description : Displays file dialog. |
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| 3 | |
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[376] | 4 | ; |
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| 5 | ; XTIDE Universal BIOS and Associated Tools |
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| 6 | ; Copyright (C) 2009-2010 by Tomi Tilli, 2011-2012 by XTIDE Universal BIOS Team. |
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| 7 | ; |
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| 8 | ; This program is free software; you can redistribute it and/or modify |
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| 9 | ; it under the terms of the GNU General Public License as published by |
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| 10 | ; the Free Software Foundation; either version 2 of the License, or |
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| 11 | ; (at your option) any later version. |
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| 12 | ; |
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| 13 | ; This program is distributed in the hope that it will be useful, |
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| 14 | ; but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 15 | ; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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| 16 | ; GNU General Public License for more details. |
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| 17 | ; Visit http://www.gnu.org/licenses/old-licenses/gpl-2.0.html |
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| 18 | ; |
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[41] | 19 | |
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| 20 | CURRENTDIR_CHARACTERS EQU 002Eh |
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| 21 | UPDIR_CHARACTERS EQU 2E2Eh |
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| 22 | |
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| 23 | ; Section containing code |
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| 24 | SECTION .text |
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| 25 | |
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| 26 | ;-------------------------------------------------------------------- |
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| 27 | ; DialogFile_GetFileNameWithIoInDSSI |
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| 28 | ; Parameters: |
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| 29 | ; DS:SI: Ptr to FILE_DIALOG_IO |
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| 30 | ; SS:BP: Ptr to parent MENU |
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| 31 | ; Returns: |
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| 32 | ; Nothing |
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| 33 | ; Corrupts registers: |
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| 34 | ; AX, BX, CX, DX, SI, DI |
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| 35 | ;-------------------------------------------------------------------- |
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| 36 | ALIGN JUMP_ALIGN |
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| 37 | DialogFile_GetFileNameWithIoInDSSI: |
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| 38 | mov bx, FileEventHandler |
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| 39 | mov BYTE [si+FILE_DIALOG_IO.bUserCancellation], TRUE |
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| 40 | jmp Dialog_DisplayWithDialogInputInDSSIandHandlerInBX |
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| 41 | |
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| 42 | |
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| 43 | ;-------------------------------------------------------------------- |
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| 44 | ; FileEventHandler |
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| 45 | ; Common parameters for all events: |
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| 46 | ; BX: Menu event (anything from MENUEVENT struct) |
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| 47 | ; SS:BP: Ptr to DIALOG |
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| 48 | ; Common return values for all events: |
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| 49 | ; CF: Set if event processed |
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| 50 | ; Cleared if event not processed |
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| 51 | ; Corrupts registers: |
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| 52 | ; All |
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| 53 | ;-------------------------------------------------------------------- |
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| 54 | ALIGN JUMP_ALIGN |
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| 55 | FileEventHandler: |
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| 56 | jmp [cs:bx+.rgfnEventHandlers] |
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| 57 | |
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| 58 | |
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| 59 | ALIGN JUMP_ALIGN |
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| 60 | .ItemSelectedFromCX: |
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| 61 | call LoadItemStringBufferToESDI |
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[106] | 62 | call Registers_CopyESDItoDSSI |
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[52] | 63 | call ItemLineSplitter_GetLineToDSSIandLengthToCXfromStringInDSSIwithIndexInCX |
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[41] | 64 | jmp ParseSelectionFromItemLineInDSSI |
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| 65 | |
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| 66 | |
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| 67 | ALIGN JUMP_ALIGN |
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| 68 | .RefreshInformation: |
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| 69 | call GetInfoLinesToCXandDialogFlagsToAX |
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| 70 | mov si, [cs:.rgszInfoStringLookup] |
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| 71 | xor bx, bx |
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| 72 | xchg dx, ax |
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| 73 | ALIGN JUMP_ALIGN |
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| 74 | .InfoLineLoop: |
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| 75 | shr dl, 1 |
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| 76 | jnc SHORT .CheckNextFlag |
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| 77 | mov si, [cs:bx+.rgszInfoStringLookup] |
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| 78 | push bx |
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| 79 | CALL_DISPLAY_LIBRARY PrintNullTerminatedStringFromCSSI |
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| 80 | pop bx |
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| 81 | ALIGN JUMP_ALIGN |
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| 82 | .CheckNextFlag: |
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| 83 | inc bx |
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| 84 | inc bx |
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| 85 | loop .InfoLineLoop |
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| 86 | stc ; Event processed |
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| 87 | ret |
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| 88 | |
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| 89 | |
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[53] | 90 | ALIGN JUMP_ALIGN |
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| 91 | .RefreshItemFromCX: |
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| 92 | call LoadItemStringBufferToESDI |
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| 93 | mov ax, FILE_STRING_LENGTH |
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| 94 | xchg ax, cx |
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| 95 | mul cx |
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| 96 | add di, ax |
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| 97 | mov si, di |
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| 98 | mov bx, es |
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| 99 | dec cx ; Do not print LF at the end of file string |
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| 100 | CALL_DISPLAY_LIBRARY PrintCharBufferFromBXSIwithLengthInCX |
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| 101 | stc |
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| 102 | ret |
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| 103 | |
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| 104 | |
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[41] | 105 | ALIGN WORD_ALIGN |
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| 106 | .rgszInfoStringLookup: |
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| 107 | dw g_szChangeDrive |
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| 108 | dw g_szSelectDirectory |
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| 109 | dw g_szCreateNew |
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| 110 | |
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| 111 | .rgfnEventHandlers: |
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| 112 | istruc MENUEVENT |
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| 113 | at MENUEVENT.InitializeMenuinitFromDSSI, dw InitializeMenuinitFromSSBP |
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[58] | 114 | at MENUEVENT.ExitMenu, dw Dialog_EventExitMenu |
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[41] | 115 | at MENUEVENT.IdleProcessing, dw Dialog_EventNotHandled |
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| 116 | at MENUEVENT.ItemHighlightedFromCX, dw Dialog_EventNotHandled |
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| 117 | at MENUEVENT.ItemSelectedFromCX, dw .ItemSelectedFromCX |
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| 118 | at MENUEVENT.KeyStrokeInAX, dw HandleFunctionKeyFromAH |
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| 119 | at MENUEVENT.RefreshTitle, dw Dialog_EventRefreshTitle |
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| 120 | at MENUEVENT.RefreshInformation, dw .RefreshInformation |
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[53] | 121 | at MENUEVENT.RefreshItemFromCX, dw .RefreshItemFromCX |
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[41] | 122 | iend |
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| 123 | |
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| 124 | |
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| 125 | ;-------------------------------------------------------------------- |
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[54] | 126 | ; ReInitializeMenuinitFromSSBP |
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[41] | 127 | ; InitializeMenuinitFromSSBP |
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| 128 | ; Parameters: |
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| 129 | ; SS:BP: Ptr to DIALOG |
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| 130 | ; Returns: |
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| 131 | ; Nothing |
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| 132 | ; Corrupts registers: |
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| 133 | ; All, except BP |
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| 134 | ;-------------------------------------------------------------------- |
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| 135 | ALIGN JUMP_ALIGN |
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[54] | 136 | ReInitializeMenuinitFromSSBP: |
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| 137 | call DisplayLoadingMessageInInformationArea |
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[41] | 138 | InitializeMenuinitFromSSBP: |
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| 139 | call LoadItemStringBufferToESDI |
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| 140 | call CreateStringFromCurrentDirectoryContentsToESDI |
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[46] | 141 | call LoadItemStringBufferToESDI |
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| 142 | call SortDirectoryContentsStringFromESDIwithCountInCX |
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[53] | 143 | call RemoveLastLFandTerminateESDIwithNull |
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[54] | 144 | |
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[106] | 145 | call Registers_CopySSBPtoDSSI |
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[52] | 146 | xor ax, ax |
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| 147 | call Dialog_EventInitializeMenuinitFromDSSIwithHighlightedItemInAX |
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[41] | 148 | call GetInfoLinesToCXandDialogFlagsToAX |
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| 149 | mov [bp+MENUINIT.bInfoLines], cl |
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| 150 | CALL_DISPLAY_LIBRARY GetColumnsToALandRowsToAH |
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| 151 | mov [bp+MENUINIT.bHeight], ah ; Always max height |
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[52] | 152 | mov WORD [bp+MENU.wFirstVisibleItem], 0 |
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[41] | 153 | ret |
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| 154 | |
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| 155 | |
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| 156 | ;-------------------------------------------------------------------- |
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| 157 | ; LoadItemStringBufferToESDI |
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| 158 | ; Parameters: |
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| 159 | ; SS:BP: Ptr to DIALOG |
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| 160 | ; Returns: |
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| 161 | ; ES:DI: Ptr to item string buffer |
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| 162 | ; Corrupts registers: |
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| 163 | ; Nothing |
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| 164 | ;-------------------------------------------------------------------- |
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| 165 | ALIGN JUMP_ALIGN |
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| 166 | LoadItemStringBufferToESDI: |
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| 167 | les di, [bp+DIALOG.fpDialogIO] |
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| 168 | les di, [es:di+FILE_DIALOG_IO.fszItemBuffer] |
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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 | ; CreateStringFromCurrentDirectoryContentsToESDI |
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| 174 | ; Parameters: |
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| 175 | ; ES:DI: Buffer where to create item string |
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| 176 | ; SS:BP: Ptr to DIALOG |
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| 177 | ; Returns: |
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[46] | 178 | ; CX: Number of files or directories found |
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[41] | 179 | ; Corrupts registers: |
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[53] | 180 | ; AX, BX, DX, SI, DI, DS |
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[41] | 181 | ;-------------------------------------------------------------------- |
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| 182 | ALIGN JUMP_ALIGN |
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| 183 | CreateStringFromCurrentDirectoryContentsToESDI: |
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[53] | 184 | mov bx, di |
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| 185 | CALL_DISPLAY_LIBRARY PushDisplayContext |
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| 186 | mov cx, -1 |
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| 187 | CALL_DISPLAY_LIBRARY PrepareOffScreenBufferInESBXwithLengthInCX ; ES:DI now points to buffer |
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| 188 | |
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[41] | 189 | lds si, [bp+DIALOG.fpDialogIO] |
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[293] | 190 | eMOVZX cx, [si+FILE_DIALOG_IO.bFileAttributes] |
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[41] | 191 | lds si, [si+FILE_DIALOG_IO.fpFileFilterString] |
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| 192 | call Directory_UpdateDTAForFirstMatchForDSSIwithAttributesInCX |
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[53] | 193 | |
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[41] | 194 | call .ClearDLifInRootDirectory |
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| 195 | call Directory_GetDiskTransferAreaAddressToDSSI |
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[46] | 196 | xor cx, cx ; Clear file/directory count |
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[53] | 197 | call .FindMatchingFilesAndPrintThemToOffScreenBuffer |
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[41] | 198 | |
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[53] | 199 | CALL_DISPLAY_LIBRARY PopDisplayContext |
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| 200 | ret |
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[41] | 201 | |
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| 202 | ;-------------------------------------------------------------------- |
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| 203 | ; .ClearDLifInRootDirectory |
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| 204 | ; Parameters: |
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| 205 | ; SS:BP: Ptr to DIALOG |
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| 206 | ; ES:DI: Ptr to destination string buffer |
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| 207 | ; Returns: |
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| 208 | ; DL: Cleared if in root directory |
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| 209 | ; Set if in any other directory |
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| 210 | ; Corrupts registers: |
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| 211 | ; AX, SI, DS |
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| 212 | ;-------------------------------------------------------------------- |
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| 213 | ALIGN JUMP_ALIGN |
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| 214 | .ClearDLifInRootDirectory: |
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[106] | 215 | call Registers_CopyESDItoDSSI |
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[41] | 216 | call Directory_WriteCurrentPathToDSSI |
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| 217 | mov dl, [si] |
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| 218 | ret |
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| 219 | |
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| 220 | ;-------------------------------------------------------------------- |
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[53] | 221 | ; .FindMatchingFilesAndPrintThemToOffScreenBuffer |
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[41] | 222 | ; Parameters: |
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[53] | 223 | ; CX: Initial directory count |
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| 224 | ; DL: Zero if root directory selected |
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| 225 | ; DS:SI: Ptr to DTA with first matching file |
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[41] | 226 | ; Returns: |
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[53] | 227 | ; CX: Incremented by number of files/directories found |
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[41] | 228 | ; Corrupts registers: |
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[53] | 229 | ; AX, BX, DX, DI, DS |
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[41] | 230 | ;-------------------------------------------------------------------- |
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| 231 | ALIGN JUMP_ALIGN |
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[53] | 232 | .FindMatchingFilesAndPrintThemToOffScreenBuffer: |
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| 233 | call AppendFileFromDTAinDSSItoOffScreenBuffer |
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| 234 | call Directory_UpdateDTAForNextMatchUsingPreviousParameters |
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| 235 | jnc SHORT .FindMatchingFilesAndPrintThemToOffScreenBuffer |
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[41] | 236 | ret |
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| 237 | |
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[46] | 238 | |
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[41] | 239 | ;-------------------------------------------------------------------- |
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[53] | 240 | ; AppendFileFromDTAinDSSItoOffScreenBuffer |
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[41] | 241 | ; Parameters: |
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[46] | 242 | ; CX: Files/directores found |
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[41] | 243 | ; DL: Zero if root directory selected |
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| 244 | ; DS:SI: Ptr to DTA containing file information |
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| 245 | ; Returns: |
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[46] | 246 | ; CX: Incremented by number of files/directories found |
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[41] | 247 | ; Corrupts registers: |
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[53] | 248 | ; AX, BX |
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[41] | 249 | ;-------------------------------------------------------------------- |
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| 250 | ALIGN JUMP_ALIGN |
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[53] | 251 | AppendFileFromDTAinDSSItoOffScreenBuffer: |
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[41] | 252 | call .FilterCurrentDirectory ; We never want "." |
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| 253 | call .FilterUpDirectoryWhenInRoot ; No ".." when in root directory |
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[46] | 254 | inc cx ; Nothing filtered so increment files/directories |
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[41] | 255 | |
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| 256 | push bp |
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| 257 | push si |
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[53] | 258 | push dx |
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[46] | 259 | push cx |
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[41] | 260 | call .FormatFileOrDirectoryToBufferFromDTAinDSSI |
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[46] | 261 | pop cx |
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[53] | 262 | pop dx |
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[41] | 263 | pop si |
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| 264 | pop bp |
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| 265 | ret |
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| 266 | |
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| 267 | ;-------------------------------------------------------------------- |
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[53] | 268 | ; .FilterCurrentDirectory |
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| 269 | ; .FilterUpDirectoryWhenInRoot |
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| 270 | ; Parameters: |
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| 271 | ; DL: Zero if root directory selected |
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| 272 | ; DS:SI: Ptr to DTA containing file information |
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| 273 | ; Returns: |
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| 274 | ; Nothing |
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| 275 | ; Returns from AppendFileToBufferInESDIfromDtaInDSSI when filtering |
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| 276 | ; Corrupts registers: |
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| 277 | ; AX |
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| 278 | ;-------------------------------------------------------------------- |
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| 279 | ALIGN JUMP_ALIGN |
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| 280 | .FilterCurrentDirectory: |
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| 281 | cmp WORD [si+DTA.szFile], CURRENTDIR_CHARACTERS |
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[181] | 282 | je SHORT .DoFilter |
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[53] | 283 | ret |
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| 284 | |
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| 285 | ALIGN JUMP_ALIGN |
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| 286 | .FilterUpDirectoryWhenInRoot: |
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| 287 | test dl, dl ; Set ZF if root directory selected |
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| 288 | jnz SHORT .ReturnWithoutFiltering |
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| 289 | cmp WORD [si+DTA.szFile], UPDIR_CHARACTERS |
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| 290 | jne SHORT .ReturnWithoutFiltering |
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[181] | 291 | .DoFilter: |
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[53] | 292 | add sp, BYTE 2 ; Remove return address from stack |
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| 293 | ALIGN JUMP_ALIGN, ret |
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| 294 | .ReturnWithoutFiltering: |
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| 295 | ret |
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| 296 | |
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| 297 | ;-------------------------------------------------------------------- |
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[41] | 298 | ; .FormatFileOrDirectoryToBufferFromDTAinDSSI |
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| 299 | ; Parameters: |
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| 300 | ; DS:SI: Ptr to DTA containing file information |
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| 301 | ; Returns: |
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| 302 | ; Nothing |
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| 303 | ; Corrupts registers: |
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| 304 | ; AX, BX, CX, DX, SI, DI, BP |
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| 305 | ;-------------------------------------------------------------------- |
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| 306 | ALIGN JUMP_ALIGN |
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| 307 | .FormatFileOrDirectoryToBufferFromDTAinDSSI: |
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| 308 | mov bp, sp |
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| 309 | lea ax, [si+DTA.szFile] |
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| 310 | |
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| 311 | test BYTE [si+DTA.bFileAttributes], FLG_FILEATTR_DIRECTORY |
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| 312 | jnz SHORT .FormatDirectory |
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[46] | 313 | ; Fall to .FormatFile |
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[41] | 314 | |
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[46] | 315 | ;-------------------------------------------------------------------- |
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| 316 | ; .FormatFile |
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| 317 | ; Parameters: |
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| 318 | ; BP: SP before pushing formatting parameters |
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| 319 | ; DS:AX: Far pointer to file name |
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| 320 | ; DS:SI: Ptr to DTA containing file information |
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| 321 | ; Returns: |
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| 322 | ; Nothing |
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| 323 | ; Corrupts registers: |
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[53] | 324 | ; AX, BX, CX, DX, SI, DI |
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[46] | 325 | ;-------------------------------------------------------------------- |
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| 326 | .FormatFile: |
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| 327 | xchg si, ax |
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[53] | 328 | call String_ConvertDSSItoLowerCase |
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[46] | 329 | xchg ax, si |
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[52] | 330 | |
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| 331 | ; Push parameters for file name |
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[53] | 332 | push ax ; Push file name offset |
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| 333 | push ds ; Push file name segment |
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[46] | 334 | |
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| 335 | ; Push parameters for file size |
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[41] | 336 | mov ax, [si+DTA.dwFileSize] |
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| 337 | mov dx, [si+DTA.dwFileSize+2] |
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| 338 | xor bx, bx |
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| 339 | xor cx, cx |
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| 340 | call Size_GetSizeToAXAndCharToDLfromBXDXAXwithMagnitudeInCX |
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| 341 | mov cl, 'i' |
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| 342 | cmp dl, ' ' |
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| 343 | eCMOVE cl, dl |
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| 344 | push ax |
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| 345 | push dx |
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| 346 | push cx |
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[46] | 347 | |
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| 348 | ; Format to buffer |
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[41] | 349 | mov si, g_szFileFormat |
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| 350 | jmp SHORT .FormatStringInCSSIandReturn |
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| 351 | |
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[46] | 352 | ;-------------------------------------------------------------------- |
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| 353 | ; .FormatDirectory |
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| 354 | ; Parameters: |
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| 355 | ; BP: SP before pushing formatting parameters |
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| 356 | ; DS:AX: Far pointer to directory name |
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| 357 | ; DS:SI: Ptr to DTA containing file information |
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| 358 | ; Returns: |
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| 359 | ; Nothing |
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| 360 | ; Corrupts registers: |
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[53] | 361 | ; AX, SI, DI |
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[46] | 362 | ;-------------------------------------------------------------------- |
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[41] | 363 | ALIGN JUMP_ALIGN |
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| 364 | .FormatDirectory: |
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[46] | 365 | push ax ; Push directory name offset |
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| 366 | push ds ; Push directory name segment |
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[41] | 367 | mov ax, g_szSub |
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| 368 | cmp WORD [si+DTA.szFile], UPDIR_CHARACTERS |
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| 369 | eCMOVE ax, g_szUp |
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| 370 | push ax |
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| 371 | mov si, g_szDirectoryFormat |
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| 372 | ALIGN JUMP_ALIGN |
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| 373 | .FormatStringInCSSIandReturn: |
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| 374 | CALL_DISPLAY_LIBRARY FormatNullTerminatedStringFromCSSI |
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| 375 | ret |
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| 376 | |
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| 377 | |
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| 378 | ;-------------------------------------------------------------------- |
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[46] | 379 | ; SortDirectoryContentsStringFromESDIwithCountInCX |
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| 380 | ; Parameters: |
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| 381 | ; CX: Number of files and directories |
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| 382 | ; ES:DI: Buffer containing directory contents string |
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| 383 | ; SS:BP: Ptr to DIALOG |
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| 384 | ; Returns: |
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[53] | 385 | ; ES:DI: Ptr to end of directory contents string |
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[46] | 386 | ; Corrupts registers: |
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[53] | 387 | ; AX, BX, CX, DX, SI, DS |
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[46] | 388 | ;-------------------------------------------------------------------- |
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| 389 | ALIGN JUMP_ALIGN |
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| 390 | SortDirectoryContentsStringFromESDIwithCountInCX: |
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[106] | 391 | call Registers_CopyESDItoDSSI |
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[46] | 392 | |
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[181] | 393 | ; Add directory contents string length to DI |
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[53] | 394 | mov ax, FILE_STRING_LENGTH |
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[181] | 395 | push ax |
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[53] | 396 | mul cx |
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| 397 | add di, ax |
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| 398 | |
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[181] | 399 | mov dx, cx |
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| 400 | pop cx |
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| 401 | mov bx, .FileStringComparator |
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| 402 | jmp Sort_ItemsFromDSSIwithCountInDXsizeInCXandComparatorInBX |
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| 403 | |
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[46] | 404 | ;-------------------------------------------------------------------- |
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| 405 | ; .FileStringComparator |
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| 406 | ; Parameters: |
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| 407 | ; CX: Item size in bytes |
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| 408 | ; DS:SI: Ptr to first item to compare |
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| 409 | ; ES:DI: Ptr to second item to compare |
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| 410 | ; Returns: |
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[181] | 411 | ; FLAGS: Signed comparison between first and second item |
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[46] | 412 | ; Corrupts registers: |
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| 413 | ; Nothing |
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| 414 | ;-------------------------------------------------------------------- |
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| 415 | ALIGN JUMP_ALIGN |
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| 416 | .FileStringComparator: |
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| 417 | push di |
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| 418 | push si |
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| 419 | push cx |
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| 420 | push bx |
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| 421 | |
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| 422 | mov bx, FILE_STRING_LENGTH-2 ; Zero BH |
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| 423 | cmp WORD [si], UPDIR_CHARACTERS |
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| 424 | je SHORT .ForceValueFromDSSItoBeLess |
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| 425 | mov bl, [si+bx] |
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| 426 | cmp bl, [es:di+FILE_STRING_LENGTH-2] ; 'B' for files, 'R' for directories |
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| 427 | jne SHORT .ForceValueFromDSSItoBeMoreOrLess |
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| 428 | repe cmpsb ; Two directories or two files |
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| 429 | |
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| 430 | ALIGN JUMP_ALIGN |
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| 431 | .ReturnFromComparison: |
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| 432 | pop bx |
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| 433 | pop cx |
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| 434 | pop si |
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| 435 | pop di |
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| 436 | ret |
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| 437 | ALIGN JUMP_ALIGN |
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| 438 | .ForceValueFromDSSItoBeMoreOrLess: |
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| 439 | ja SHORT .ForceValueFromDSSItoBeLess ; Directory in SI, file in DI |
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| 440 | xchg bl, bh |
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| 441 | ; Fall to ForceValueFromDSSItoBeLess |
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| 442 | ALIGN JUMP_ALIGN |
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| 443 | .ForceValueFromDSSItoBeLess: |
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| 444 | cmp bh, bl |
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| 445 | jmp SHORT .ReturnFromComparison |
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| 446 | |
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| 447 | |
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| 448 | ;-------------------------------------------------------------------- |
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[54] | 449 | ; RemoveLastLFandTerminateESDIwithNull |
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| 450 | ; Parameters: |
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| 451 | ; ES:DI: Ptr to end of buffer to terminate |
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| 452 | ; Returns: |
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| 453 | ; Nothing |
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| 454 | ; Corrupts registers: |
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| 455 | ; AX |
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| 456 | ;-------------------------------------------------------------------- |
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| 457 | ALIGN JUMP_ALIGN |
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| 458 | RemoveLastLFandTerminateESDIwithNull: |
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| 459 | dec di |
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| 460 | xor ax, ax |
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| 461 | stosb |
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| 462 | ret |
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| 463 | |
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| 464 | |
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| 465 | ;-------------------------------------------------------------------- |
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[41] | 466 | ; GetInfoLinesToCXandDialogFlagsToAX |
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| 467 | ; Parameters: |
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| 468 | ; SS:BP: Ptr to DIALOG |
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| 469 | ; Returns: |
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| 470 | ; AX: Dialog flags |
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| 471 | ; CX: Number of info lines to be displayed |
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| 472 | ; Corrupts registers: |
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| 473 | ; SI, DS |
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| 474 | ;-------------------------------------------------------------------- |
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| 475 | ALIGN JUMP_ALIGN |
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| 476 | GetInfoLinesToCXandDialogFlagsToAX: |
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| 477 | xor ax, ax |
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| 478 | call GetDialogFlagsToAL |
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| 479 | jmp Bit_GetSetCountToCXfromAX |
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| 480 | |
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| 481 | ;-------------------------------------------------------------------- |
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| 482 | ; GetDialogFlagsToAL |
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| 483 | ; Parameters: |
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| 484 | ; SS:BP: Ptr to DIALOG |
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| 485 | ; Returns: |
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| 486 | ; AL: Dialog flags |
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| 487 | ; Corrupts registers: |
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| 488 | ; SI, DS |
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| 489 | ;-------------------------------------------------------------------- |
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| 490 | ALIGN JUMP_ALIGN |
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| 491 | GetDialogFlagsToAL: |
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| 492 | lds si, [bp+DIALOG.fpDialogIO] |
---|
| 493 | mov al, [si+FILE_DIALOG_IO.bDialogFlags] |
---|
| 494 | ret |
---|
| 495 | |
---|
| 496 | |
---|
| 497 | ;-------------------------------------------------------------------- |
---|
| 498 | ; ParseSelectionFromItemLineInDSSI |
---|
| 499 | ; Parameters: |
---|
| 500 | ; DS:SI: Ptr to char buffer containing file or directory to be selected |
---|
| 501 | ; SS:BP: Ptr to DIALOG |
---|
| 502 | ; Returns: |
---|
| 503 | ; Nothing |
---|
| 504 | ; Corrupts registers: |
---|
| 505 | ; All, except BP |
---|
| 506 | ;-------------------------------------------------------------------- |
---|
| 507 | ALIGN JUMP_ALIGN |
---|
| 508 | ParseSelectionFromItemLineInDSSI: |
---|
[46] | 509 | mov ax, [si] |
---|
| 510 | cmp ax, UPDIR_CHARACTERS |
---|
| 511 | je SHORT .ChangeToUpdir |
---|
| 512 | call Char_IsUpperCaseLetterInAL |
---|
| 513 | jc SHORT .ParseAndChangeToSubdirInDSSI |
---|
[141] | 514 | call Char_IsDecimalDigitInAL |
---|
| 515 | jc SHORT .ParseAndChangeToSubdirInDSSI ; Assume subdir and check for errors |
---|
[46] | 516 | ; Fall to .ParseAndSelectFileFromDSSI |
---|
[41] | 517 | |
---|
| 518 | ;-------------------------------------------------------------------- |
---|
[46] | 519 | ; .ParseAndSelectFileFromDSSI |
---|
[41] | 520 | ; Parameters: |
---|
[46] | 521 | ; DS:SI: NULL terminated string selected from dialog |
---|
[41] | 522 | ; SS:BP: Ptr to DIALOG |
---|
| 523 | ; Returns: |
---|
| 524 | ; Nothing (exits dialog) |
---|
| 525 | ; Corrupts registers: |
---|
| 526 | ; All, except BP |
---|
| 527 | ;-------------------------------------------------------------------- |
---|
[46] | 528 | .ParseAndSelectFileFromDSSI: |
---|
[41] | 529 | les di, [bp+DIALOG.fpDialogIO] |
---|
| 530 | add di, BYTE FILE_DIALOG_IO.szFile |
---|
| 531 | mov cx, FILENAME_BUFFER_SIZE-1 |
---|
[50] | 532 | call Memory_CopyCXbytesFromDSSItoESDI |
---|
[41] | 533 | xor ax, ax |
---|
| 534 | stosb ; Terminate with NULL |
---|
[293] | 535 | jmp SHORT CloseFileDialogAfterSuccessfulSelection |
---|
[41] | 536 | |
---|
| 537 | ;-------------------------------------------------------------------- |
---|
[46] | 538 | ; .ChangeToUpdir |
---|
[41] | 539 | ; Parameters: |
---|
| 540 | ; SS:BP: Ptr to DIALOG |
---|
| 541 | ; Returns: |
---|
| 542 | ; Nothing |
---|
| 543 | ; Corrupts registers: |
---|
| 544 | ; All, except BP |
---|
| 545 | ;-------------------------------------------------------------------- |
---|
| 546 | ALIGN JUMP_ALIGN |
---|
[46] | 547 | .ChangeToUpdir: |
---|
[51] | 548 | push cs |
---|
| 549 | pop ds |
---|
[46] | 550 | mov si, g_szUpdir |
---|
| 551 | jmp SHORT .ChangeDirectoryToDSSI |
---|
| 552 | |
---|
| 553 | ;-------------------------------------------------------------------- |
---|
| 554 | ; .ParseAndChangeToSubdirInDSSI |
---|
| 555 | ; Parameters: |
---|
| 556 | ; DS:SI: NULL terminated string selected from dialog |
---|
| 557 | ; SS:BP: Ptr to DIALOG |
---|
| 558 | ; Returns: |
---|
| 559 | ; Nothing |
---|
| 560 | ; Corrupts registers: |
---|
| 561 | ; All, except BP |
---|
| 562 | ;-------------------------------------------------------------------- |
---|
| 563 | ALIGN JUMP_ALIGN |
---|
| 564 | .ParseAndChangeToSubdirInDSSI: |
---|
| 565 | mov BYTE [si+12], NULL ; Terminate with NULL (unnecessary spaces do not matter) |
---|
| 566 | .ChangeDirectoryToDSSI: |
---|
[41] | 567 | call Directory_ChangeToPathFromDSSI |
---|
[141] | 568 | jc SHORT .ParseAndSelectFileFromDSSI ; Must have been a file starting with number |
---|
[41] | 569 | ; Fall to RefreshFilesToDisplay |
---|
| 570 | |
---|
| 571 | ;-------------------------------------------------------------------- |
---|
| 572 | ; RefreshFilesToDisplay |
---|
| 573 | ; Parameters: |
---|
| 574 | ; SS:BP: Ptr to DIALOG |
---|
| 575 | ; Returns: |
---|
| 576 | ; Nothing |
---|
| 577 | ; Corrupts registers: |
---|
| 578 | ; All, except BP |
---|
| 579 | ;-------------------------------------------------------------------- |
---|
| 580 | ALIGN JUMP_ALIGN |
---|
| 581 | RefreshFilesToDisplay: |
---|
[54] | 582 | call ReInitializeMenuinitFromSSBP |
---|
[41] | 583 | jmp MenuInit_RefreshMenuWindow |
---|
| 584 | |
---|
| 585 | |
---|
| 586 | ;-------------------------------------------------------------------- |
---|
| 587 | ; HandleFunctionKeyFromAH |
---|
| 588 | ; Parameters: |
---|
| 589 | ; AH: Scancode for function key |
---|
| 590 | ; SS:BP: Ptr to DIALOG |
---|
| 591 | ; Returns: |
---|
| 592 | ; Nothing |
---|
| 593 | ; Corrupts registers: |
---|
| 594 | ; AX, SI, DI, BP |
---|
| 595 | ;-------------------------------------------------------------------- |
---|
| 596 | ALIGN JUMP_ALIGN |
---|
| 597 | HandleFunctionKeyFromAH: |
---|
| 598 | call GetDialogFlagsToAL |
---|
| 599 | cmp ah, KEY_FILEDIALOG_NEW_FILE_OR_DIR |
---|
| 600 | je SHORT HandleFunctionKeyForCreatingNewFileOrDirectory |
---|
| 601 | cmp ah, KEY_FILEDIALOG_SELECT_DIRECTORY |
---|
| 602 | je SHORT HandleFunctionKeyForSelectingDirectoryInsteadOfFile |
---|
| 603 | cmp ah, KEY_FILEDIALOG_CHANGE_DRIVE |
---|
| 604 | je SHORT HandleFunctionKeyForDriveChange |
---|
| 605 | ReturnWithoutHandlingKeystroke: |
---|
| 606 | clc ; Event not processed |
---|
| 607 | ret |
---|
| 608 | |
---|
| 609 | |
---|
| 610 | ;-------------------------------------------------------------------- |
---|
| 611 | ; HandleFunctionKeyForCreatingNewFileOrDirectory |
---|
| 612 | ; Parameters: |
---|
| 613 | ; AL: File dialog flags |
---|
| 614 | ; SS:BP: Ptr to DIALOG |
---|
| 615 | ; Returns: |
---|
| 616 | ; Closes file dialog |
---|
| 617 | ; Corrupts registers: |
---|
| 618 | ; All, except BP |
---|
| 619 | ;-------------------------------------------------------------------- |
---|
| 620 | ALIGN JUMP_ALIGN |
---|
| 621 | HandleFunctionKeyForCreatingNewFileOrDirectory: |
---|
| 622 | test al, FLG_FILEDIALOG_NEW |
---|
| 623 | jz SHORT ReturnWithoutHandlingKeystroke |
---|
| 624 | |
---|
| 625 | mov cx, STRING_DIALOG_IO_size |
---|
| 626 | call Memory_ReserveCXbytesFromStackToDSSI |
---|
| 627 | call .InitializeStringDialogIoInDSSIforInputtingFileName |
---|
| 628 | |
---|
| 629 | CALL_MENU_LIBRARY GetStringWithIoInDSSI |
---|
| 630 | mov al, [si+STRING_DIALOG_IO.bUserCancellation] |
---|
| 631 | add sp, BYTE STRING_DIALOG_IO_size |
---|
| 632 | test al, al ; User cancellation? |
---|
| 633 | jnz SHORT ReturnWithoutHandlingKeystroke |
---|
[293] | 634 | jmp CloseFileDialogAfterSuccessfulSelection |
---|
[41] | 635 | |
---|
| 636 | ALIGN JUMP_ALIGN |
---|
| 637 | .InitializeStringDialogIoInDSSIforInputtingFileName: |
---|
| 638 | call InitializeNullStringsToDialogInputInDSSI |
---|
| 639 | mov WORD [si+DIALOG_INPUT.fszTitle], g_szEnterNewFileOrDirectory |
---|
| 640 | mov WORD [si+STRING_DIALOG_IO.fnCharFilter], NULL |
---|
| 641 | mov WORD [si+STRING_DIALOG_IO.wBufferSize], FILENAME_BUFFER_SIZE |
---|
| 642 | les ax, [bp+DIALOG.fpDialogIO] |
---|
| 643 | add ax, BYTE FILE_DIALOG_IO.szFile |
---|
| 644 | mov [si+STRING_DIALOG_IO.fpReturnBuffer], ax |
---|
| 645 | mov [si+STRING_DIALOG_IO.fpReturnBuffer+2], es |
---|
| 646 | ret |
---|
| 647 | |
---|
| 648 | |
---|
| 649 | ;-------------------------------------------------------------------- |
---|
| 650 | ; HandleFunctionKeyForSelectingDirectoryInsteadOfFile |
---|
| 651 | ; Parameters: |
---|
| 652 | ; AL: File dialog flags |
---|
| 653 | ; SS:BP: Ptr to DIALOG |
---|
| 654 | ; Returns: |
---|
| 655 | ; Closes file dialog |
---|
| 656 | ; Corrupts registers: |
---|
| 657 | ; All, except BP |
---|
| 658 | ;-------------------------------------------------------------------- |
---|
| 659 | ALIGN JUMP_ALIGN |
---|
| 660 | HandleFunctionKeyForSelectingDirectoryInsteadOfFile: |
---|
| 661 | test al, FLG_FILEDIALOG_DIRECTORY |
---|
| 662 | jz SHORT ReturnWithoutHandlingKeystroke |
---|
[293] | 663 | ; Fall to CloseFileDialogAfterSuccessfulSelection |
---|
[41] | 664 | |
---|
| 665 | ;-------------------------------------------------------------------- |
---|
[293] | 666 | ; CloseFileDialogAfterSuccessfulSelection |
---|
[41] | 667 | ; Parameters: |
---|
| 668 | ; SS:BP: Ptr to DIALOG |
---|
| 669 | ; Returns: |
---|
| 670 | ; Nothing (exits dialog) |
---|
| 671 | ; Corrupts registers: |
---|
| 672 | ; All, except BP |
---|
| 673 | ;-------------------------------------------------------------------- |
---|
| 674 | ALIGN JUMP_ALIGN |
---|
[293] | 675 | CloseFileDialogAfterSuccessfulSelection: |
---|
[41] | 676 | lds di, [bp+DIALOG.fpDialogIO] |
---|
| 677 | mov BYTE [di+FILE_DIALOG_IO.bUserCancellation], FALSE |
---|
| 678 | jmp MenuInit_CloseMenuWindow |
---|
| 679 | |
---|
| 680 | |
---|
| 681 | ;-------------------------------------------------------------------- |
---|
| 682 | ; HandleFunctionKeyForDriveChange |
---|
| 683 | ; Parameters: |
---|
| 684 | ; AL: File dialog flags |
---|
| 685 | ; SS:BP: Ptr to DIALOG |
---|
| 686 | ; Returns: |
---|
| 687 | ; Nothing |
---|
| 688 | ; Corrupts registers: |
---|
| 689 | ; All, except BP |
---|
| 690 | ;-------------------------------------------------------------------- |
---|
| 691 | ALIGN JUMP_ALIGN |
---|
| 692 | HandleFunctionKeyForDriveChange: |
---|
| 693 | test al, FLG_FILEDIALOG_DRIVES |
---|
| 694 | jz SHORT ReturnWithoutHandlingKeystroke |
---|
| 695 | |
---|
[54] | 696 | call DisplayLoadingMessageInInformationArea |
---|
| 697 | mov cx, DRIVE_DIALOG_IO_size |
---|
| 698 | call Memory_ReserveCXbytesFromStackToDSSI |
---|
| 699 | call .DisplayDriveSelectionDialogWithIoInDSSI |
---|
| 700 | call .ChangeDriveToUserSelectionFromIoInDSSI |
---|
| 701 | add sp, BYTE DRIVE_DIALOG_IO_size |
---|
| 702 | ret |
---|
[41] | 703 | |
---|
| 704 | ;-------------------------------------------------------------------- |
---|
[54] | 705 | ; .DisplayDriveSelectionDialogWithIoInDSSI |
---|
[41] | 706 | ; Parameters: |
---|
[54] | 707 | ; DS:SI: Ptr to uninitialized DRIVE_DIALOG_IO |
---|
[41] | 708 | ; SS:BP: Ptr to DIALOG |
---|
| 709 | ; Returns: |
---|
[54] | 710 | ; DS:SI: Ptr to DRIVE_DIALOG_IO |
---|
[41] | 711 | ; Corrupts registers: |
---|
[54] | 712 | ; AX, DI |
---|
[41] | 713 | ;-------------------------------------------------------------------- |
---|
| 714 | ALIGN JUMP_ALIGN |
---|
[54] | 715 | .DisplayDriveSelectionDialogWithIoInDSSI: |
---|
[41] | 716 | call InitializeNullStringsToDialogInputInDSSI |
---|
| 717 | mov WORD [si+DIALOG_INPUT.fszTitle], g_szSelectNewDrive |
---|
[54] | 718 | CALL_MENU_LIBRARY GetDriveWithIoInDSSI |
---|
| 719 | ret |
---|
[41] | 720 | |
---|
| 721 | ;-------------------------------------------------------------------- |
---|
[54] | 722 | ; .ChangeDriveToUserSelectionFromIoInDSSI |
---|
[41] | 723 | ; Parameters: |
---|
[54] | 724 | ; DS:SI: Ptr to DRIVE_DIALOG_IO |
---|
[41] | 725 | ; SS:BP: Ptr to DIALOG |
---|
| 726 | ; Returns: |
---|
| 727 | ; Nothing |
---|
| 728 | ; Corrupts registers: |
---|
[54] | 729 | ; All, except BP |
---|
[41] | 730 | ;-------------------------------------------------------------------- |
---|
| 731 | ALIGN JUMP_ALIGN |
---|
[54] | 732 | .ChangeDriveToUserSelectionFromIoInDSSI: |
---|
| 733 | cmp BYTE [si+DRIVE_DIALOG_IO.bUserCancellation], FALSE |
---|
| 734 | jne SHORT .UserCancelledDriveChange |
---|
[41] | 735 | |
---|
[54] | 736 | mov dl, [si+DRIVE_DIALOG_IO.bReturnDriveNumber] |
---|
| 737 | call Drive_SetDefaultFromDL |
---|
| 738 | jmp RefreshFilesToDisplay |
---|
| 739 | .UserCancelledDriveChange: |
---|
[41] | 740 | ret |
---|
| 741 | |
---|
| 742 | |
---|
| 743 | ;-------------------------------------------------------------------- |
---|
[54] | 744 | ; DisplayLoadingMessageInInformationArea |
---|
[53] | 745 | ; Parameters: |
---|
[54] | 746 | ; SS:BP: Ptr to DIALOG |
---|
[53] | 747 | ; Returns: |
---|
| 748 | ; Nothing |
---|
| 749 | ; Corrupts registers: |
---|
[54] | 750 | ; AX, BX, CX, DX, SI, DI |
---|
[53] | 751 | ;-------------------------------------------------------------------- |
---|
| 752 | ALIGN JUMP_ALIGN |
---|
[54] | 753 | DisplayLoadingMessageInInformationArea: |
---|
| 754 | call MenuText_ClearInformationArea |
---|
| 755 | call MenuText_PrepareToDrawInformationArea |
---|
| 756 | mov si, g_szLoadingPleaseWait |
---|
| 757 | CALL_DISPLAY_LIBRARY PrintNullTerminatedStringFromCSSI |
---|
[53] | 758 | ret |
---|
| 759 | |
---|
| 760 | |
---|
| 761 | ;-------------------------------------------------------------------- |
---|
[41] | 762 | ; InitializeNullStringsToDialogInputInDSSI |
---|
| 763 | ; Parameters: |
---|
| 764 | ; DS:SI: Ptr to DIALOG_INPUT |
---|
| 765 | ; SS:BP: Ptr to DIALOG |
---|
| 766 | ; Returns: |
---|
| 767 | ; Nothing |
---|
| 768 | ; Corrupts registers: |
---|
| 769 | ; AX |
---|
| 770 | ;-------------------------------------------------------------------- |
---|
| 771 | ALIGN JUMP_ALIGN |
---|
| 772 | InitializeNullStringsToDialogInputInDSSI: |
---|
| 773 | mov ax, g_szNull |
---|
| 774 | mov [si+DIALOG_INPUT.fszTitle], ax |
---|
| 775 | mov [si+DIALOG_INPUT.fszTitle+2], cs |
---|
| 776 | mov [si+DIALOG_INPUT.fszItems], ax |
---|
| 777 | mov [si+DIALOG_INPUT.fszItems+2], cs |
---|
| 778 | mov [si+DIALOG_INPUT.fszInfo], ax |
---|
| 779 | mov [si+DIALOG_INPUT.fszInfo+2], cs |
---|
| 780 | ret |
---|