| [41] | 1 | ; File name : DialogFile.asm
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| 2 | ; Project name : Assembly Library
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| 3 | ; Created date : 6.9.2010
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| [54] | 4 | ; Last update : 24.10.2010
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| [41] | 5 | ; Author : Tomi Tilli
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| 6 | ; Description : Displays file dialog.
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| 7 |
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| 8 |
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| 9 | CURRENTDIR_CHARACTERS EQU 002Eh
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| 10 | UPDIR_CHARACTERS EQU 2E2Eh
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| 11 |
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| 12 | ; Section containing code
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| 13 | SECTION .text
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| 14 |
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| 15 | ;--------------------------------------------------------------------
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| 16 | ; DialogFile_GetFileNameWithIoInDSSI
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| 17 | ; Parameters:
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| 18 | ; DS:SI: Ptr to FILE_DIALOG_IO
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| 19 | ; SS:BP: Ptr to parent MENU
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| 20 | ; Returns:
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| 21 | ; Nothing
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| 22 | ; Corrupts registers:
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| 23 | ; AX, BX, CX, DX, SI, DI
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| 24 | ;--------------------------------------------------------------------
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| 25 | ALIGN JUMP_ALIGN
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| 26 | DialogFile_GetFileNameWithIoInDSSI:
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| 27 | mov bx, FileEventHandler
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| 28 | mov BYTE [si+FILE_DIALOG_IO.bUserCancellation], TRUE
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| 29 | jmp Dialog_DisplayWithDialogInputInDSSIandHandlerInBX
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| 30 |
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| 31 |
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| 32 | ;--------------------------------------------------------------------
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| 33 | ; FileEventHandler
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| 34 | ; Common parameters for all events:
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| 35 | ; BX: Menu event (anything from MENUEVENT struct)
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| 36 | ; SS:BP: Ptr to DIALOG
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| 37 | ; Common return values for all events:
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| 38 | ; CF: Set if event processed
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| 39 | ; Cleared if event not processed
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| 40 | ; Corrupts registers:
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| 41 | ; All
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| 42 | ;--------------------------------------------------------------------
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| 43 | ALIGN JUMP_ALIGN
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| 44 | FileEventHandler:
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| 45 | jmp [cs:bx+.rgfnEventHandlers]
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| 46 |
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| 47 |
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| 48 | ALIGN JUMP_ALIGN
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| 49 | .ItemSelectedFromCX:
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| 50 | call LoadItemStringBufferToESDI
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| [54] | 51 | call Registers_CopyESDItoDSSI
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| [52] | 52 | call ItemLineSplitter_GetLineToDSSIandLengthToCXfromStringInDSSIwithIndexInCX
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| [41] | 53 | jmp ParseSelectionFromItemLineInDSSI
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| 54 |
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| 55 |
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| 56 | ALIGN JUMP_ALIGN
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| 57 | .RefreshInformation:
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| 58 | call GetInfoLinesToCXandDialogFlagsToAX
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| 59 | mov si, [cs:.rgszInfoStringLookup]
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| 60 | xor bx, bx
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| 61 | xchg dx, ax
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| 62 | ALIGN JUMP_ALIGN
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| 63 | .InfoLineLoop:
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| 64 | shr dl, 1
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| 65 | jnc SHORT .CheckNextFlag
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| 66 | mov si, [cs:bx+.rgszInfoStringLookup]
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| 67 | push bx
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| 68 | CALL_DISPLAY_LIBRARY PrintNullTerminatedStringFromCSSI
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| 69 | pop bx
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| 70 | ALIGN JUMP_ALIGN
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| 71 | .CheckNextFlag:
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| 72 | inc bx
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| 73 | inc bx
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| 74 | loop .InfoLineLoop
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| 75 | stc ; Event processed
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| 76 | ret
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| 77 |
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| 78 |
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| [53] | 79 | ALIGN JUMP_ALIGN
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| 80 | .RefreshItemFromCX:
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| 81 | call LoadItemStringBufferToESDI
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| 82 | mov ax, FILE_STRING_LENGTH
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| 83 | xchg ax, cx
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| 84 | mul cx
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| 85 | add di, ax
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| 86 | mov si, di
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| 87 | mov bx, es
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| 88 | dec cx ; Do not print LF at the end of file string
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| 89 | CALL_DISPLAY_LIBRARY PrintCharBufferFromBXSIwithLengthInCX
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| 90 | stc
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| 91 | ret
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| 92 |
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| 93 |
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| [41] | 94 | ALIGN WORD_ALIGN
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| 95 | .rgszInfoStringLookup:
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| 96 | dw g_szChangeDrive
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| 97 | dw g_szSelectDirectory
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| 98 | dw g_szCreateNew
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| 99 |
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| 100 | .rgfnEventHandlers:
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| 101 | istruc MENUEVENT
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| 102 | at MENUEVENT.InitializeMenuinitFromDSSI, dw InitializeMenuinitFromSSBP
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| 103 | at MENUEVENT.ExitMenu, dw Dialog_EventNotHandled
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| 104 | at MENUEVENT.IdleProcessing, dw Dialog_EventNotHandled
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| 105 | at MENUEVENT.ItemHighlightedFromCX, dw Dialog_EventNotHandled
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| 106 | at MENUEVENT.ItemSelectedFromCX, dw .ItemSelectedFromCX
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| 107 | at MENUEVENT.KeyStrokeInAX, dw HandleFunctionKeyFromAH
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| 108 | at MENUEVENT.RefreshTitle, dw Dialog_EventRefreshTitle
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| 109 | at MENUEVENT.RefreshInformation, dw .RefreshInformation
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| [53] | 110 | at MENUEVENT.RefreshItemFromCX, dw .RefreshItemFromCX
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| [41] | 111 | iend
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| 112 |
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| 113 |
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| 114 | ;--------------------------------------------------------------------
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| [54] | 115 | ; ReInitializeMenuinitFromSSBP
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| [41] | 116 | ; InitializeMenuinitFromSSBP
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| 117 | ; Parameters:
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| 118 | ; SS:BP: Ptr to DIALOG
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| 119 | ; Returns:
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| 120 | ; Nothing
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| 121 | ; Corrupts registers:
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| 122 | ; All, except BP
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| 123 | ;--------------------------------------------------------------------
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| 124 | ALIGN JUMP_ALIGN
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| [54] | 125 | ReInitializeMenuinitFromSSBP:
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| 126 | call DisplayLoadingMessageInInformationArea
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| [41] | 127 | InitializeMenuinitFromSSBP:
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| 128 | call LoadItemStringBufferToESDI
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| 129 | call CreateStringFromCurrentDirectoryContentsToESDI
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| [46] | 130 | call LoadItemStringBufferToESDI
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| 131 | call SortDirectoryContentsStringFromESDIwithCountInCX
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| [53] | 132 | call RemoveLastLFandTerminateESDIwithNull
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| [54] | 133 |
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| 134 | call Registers_CopySSBPtoDSSI
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| [52] | 135 | xor ax, ax
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| 136 | call Dialog_EventInitializeMenuinitFromDSSIwithHighlightedItemInAX
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| [41] | 137 | call GetInfoLinesToCXandDialogFlagsToAX
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| 138 | mov [bp+MENUINIT.bInfoLines], cl
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| 139 | CALL_DISPLAY_LIBRARY GetColumnsToALandRowsToAH
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| 140 | mov [bp+MENUINIT.bHeight], ah ; Always max height
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| [52] | 141 | mov WORD [bp+MENU.wFirstVisibleItem], 0
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| [41] | 142 | ret
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| 143 |
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| 144 |
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| 145 | ;--------------------------------------------------------------------
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| 146 | ; LoadItemStringBufferToESDI
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| 147 | ; Parameters:
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| 148 | ; SS:BP: Ptr to DIALOG
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| 149 | ; Returns:
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| 150 | ; ES:DI: Ptr to item string buffer
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| 151 | ; Corrupts registers:
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| 152 | ; Nothing
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| 153 | ;--------------------------------------------------------------------
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| 154 | ALIGN JUMP_ALIGN
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| 155 | LoadItemStringBufferToESDI:
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| 156 | les di, [bp+DIALOG.fpDialogIO]
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| 157 | les di, [es:di+FILE_DIALOG_IO.fszItemBuffer]
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| 158 | ret
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| 159 |
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| 160 |
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| 161 | ;--------------------------------------------------------------------
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| 162 | ; CreateStringFromCurrentDirectoryContentsToESDI
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| 163 | ; Parameters:
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| 164 | ; ES:DI: Buffer where to create item string
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| 165 | ; SS:BP: Ptr to DIALOG
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| 166 | ; Returns:
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| [46] | 167 | ; CX: Number of files or directories found
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| [41] | 168 | ; Corrupts registers:
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| [53] | 169 | ; AX, BX, DX, SI, DI, DS
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| [41] | 170 | ;--------------------------------------------------------------------
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| 171 | ALIGN JUMP_ALIGN
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| 172 | CreateStringFromCurrentDirectoryContentsToESDI:
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| [53] | 173 | mov bx, di
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| 174 | CALL_DISPLAY_LIBRARY PushDisplayContext
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| 175 | mov cx, -1
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| 176 | CALL_DISPLAY_LIBRARY PrepareOffScreenBufferInESBXwithLengthInCX ; ES:DI now points to buffer
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| 177 |
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| [41] | 178 | lds si, [bp+DIALOG.fpDialogIO]
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| 179 | eMOVZX cx, BYTE [si+FILE_DIALOG_IO.bFileAttributes]
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| 180 | lds si, [si+FILE_DIALOG_IO.fpFileFilterString]
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| 181 | call Directory_UpdateDTAForFirstMatchForDSSIwithAttributesInCX
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| [53] | 182 |
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| [41] | 183 | call .ClearDLifInRootDirectory
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| 184 | call Directory_GetDiskTransferAreaAddressToDSSI
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| [46] | 185 | xor cx, cx ; Clear file/directory count
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| [53] | 186 | call .FindMatchingFilesAndPrintThemToOffScreenBuffer
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| [41] | 187 |
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| [53] | 188 | CALL_DISPLAY_LIBRARY PopDisplayContext
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| 189 | ret
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| [41] | 190 |
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| 191 | ;--------------------------------------------------------------------
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| 192 | ; .ClearDLifInRootDirectory
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| 193 | ; Parameters:
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| 194 | ; SS:BP: Ptr to DIALOG
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| 195 | ; ES:DI: Ptr to destination string buffer
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| 196 | ; Returns:
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| 197 | ; DL: Cleared if in root directory
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| 198 | ; Set if in any other directory
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| 199 | ; Corrupts registers:
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| 200 | ; AX, SI, DS
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| 201 | ;--------------------------------------------------------------------
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| 202 | ALIGN JUMP_ALIGN
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| 203 | .ClearDLifInRootDirectory:
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| [54] | 204 | call Registers_CopyESDItoDSSI
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| [41] | 205 | call Directory_WriteCurrentPathToDSSI
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| 206 | mov dl, [si]
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| 207 | ret
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| 208 |
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| 209 | ;--------------------------------------------------------------------
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| [53] | 210 | ; .FindMatchingFilesAndPrintThemToOffScreenBuffer
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| [41] | 211 | ; Parameters:
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| [53] | 212 | ; CX: Initial directory count
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| 213 | ; DL: Zero if root directory selected
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| 214 | ; DS:SI: Ptr to DTA with first matching file
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| [41] | 215 | ; Returns:
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| [53] | 216 | ; CX: Incremented by number of files/directories found
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| [41] | 217 | ; Corrupts registers:
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| [53] | 218 | ; AX, BX, DX, DI, DS
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| [41] | 219 | ;--------------------------------------------------------------------
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| 220 | ALIGN JUMP_ALIGN
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| [53] | 221 | .FindMatchingFilesAndPrintThemToOffScreenBuffer:
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| 222 | call AppendFileFromDTAinDSSItoOffScreenBuffer
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| 223 | call Directory_UpdateDTAForNextMatchUsingPreviousParameters
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| 224 | jnc SHORT .FindMatchingFilesAndPrintThemToOffScreenBuffer
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| [41] | 225 | ret
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| 226 |
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| [46] | 227 |
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| [41] | 228 | ;--------------------------------------------------------------------
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| [53] | 229 | ; AppendFileFromDTAinDSSItoOffScreenBuffer
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| [41] | 230 | ; Parameters:
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| [46] | 231 | ; CX: Files/directores found
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| [41] | 232 | ; DL: Zero if root directory selected
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| 233 | ; DS:SI: Ptr to DTA containing file information
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| 234 | ; Returns:
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| [46] | 235 | ; CX: Incremented by number of files/directories found
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| [41] | 236 | ; Corrupts registers:
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| [53] | 237 | ; AX, BX
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| [41] | 238 | ;--------------------------------------------------------------------
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| 239 | ALIGN JUMP_ALIGN
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| [53] | 240 | AppendFileFromDTAinDSSItoOffScreenBuffer:
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| [41] | 241 | call .FilterCurrentDirectory ; We never want "."
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| 242 | call .FilterUpDirectoryWhenInRoot ; No ".." when in root directory
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| [46] | 243 | inc cx ; Nothing filtered so increment files/directories
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| [41] | 244 |
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| 245 | push bp
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| 246 | push si
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| [53] | 247 | push dx
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| [46] | 248 | push cx
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| [41] | 249 | call .FormatFileOrDirectoryToBufferFromDTAinDSSI
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| [46] | 250 | pop cx
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| [53] | 251 | pop dx
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| [41] | 252 | pop si
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| 253 | pop bp
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| 254 | ret
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| 255 |
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| 256 | ;--------------------------------------------------------------------
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| [53] | 257 | ; .FilterCurrentDirectory
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| 258 | ; .FilterUpDirectoryWhenInRoot
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| 259 | ; Parameters:
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| 260 | ; DL: Zero if root directory selected
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| 261 | ; DS:SI: Ptr to DTA containing file information
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| 262 | ; Returns:
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| 263 | ; Nothing
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| 264 | ; Returns from AppendFileToBufferInESDIfromDtaInDSSI when filtering
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| 265 | ; Corrupts registers:
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| 266 | ; AX
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| 267 | ;--------------------------------------------------------------------
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| 268 | ALIGN JUMP_ALIGN
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| 269 | .FilterCurrentDirectory:
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| 270 | cmp WORD [si+DTA.szFile], CURRENTDIR_CHARACTERS
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| 271 | jne SHORT .ReturnWithoutFiltering
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| 272 | add sp, BYTE 2 ; Remove return address from stack
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| 273 | ret
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| 274 |
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| 275 | ALIGN JUMP_ALIGN
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| 276 | .FilterUpDirectoryWhenInRoot:
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| 277 | test dl, dl ; Set ZF if root directory selected
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| 278 | jnz SHORT .ReturnWithoutFiltering
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| 279 | cmp WORD [si+DTA.szFile], UPDIR_CHARACTERS
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| 280 | jne SHORT .ReturnWithoutFiltering
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| 281 | add sp, BYTE 2 ; Remove return address from stack
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| 282 | ALIGN JUMP_ALIGN, ret
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| 283 | .ReturnWithoutFiltering:
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| 284 | ret
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| 285 |
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| 286 | ;--------------------------------------------------------------------
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| [41] | 287 | ; .FormatFileOrDirectoryToBufferFromDTAinDSSI
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| 288 | ; Parameters:
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| 289 | ; DS:SI: Ptr to DTA containing file information
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| 290 | ; Returns:
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| 291 | ; Nothing
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| 292 | ; Corrupts registers:
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| 293 | ; AX, BX, CX, DX, SI, DI, BP
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| 294 | ;--------------------------------------------------------------------
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| 295 | ALIGN JUMP_ALIGN
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| 296 | .FormatFileOrDirectoryToBufferFromDTAinDSSI:
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| 297 | mov bp, sp
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| 298 | lea ax, [si+DTA.szFile]
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| 299 |
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| 300 | test BYTE [si+DTA.bFileAttributes], FLG_FILEATTR_DIRECTORY
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| 301 | jnz SHORT .FormatDirectory
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| [46] | 302 | ; Fall to .FormatFile
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| [41] | 303 |
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| [46] | 304 | ;--------------------------------------------------------------------
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| 305 | ; .FormatFile
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| 306 | ; Parameters:
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| 307 | ; BP: SP before pushing formatting parameters
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| 308 | ; DS:AX: Far pointer to file name
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| 309 | ; DS:SI: Ptr to DTA containing file information
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| 310 | ; Returns:
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| 311 | ; Nothing
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| 312 | ; Corrupts registers:
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| [53] | 313 | ; AX, BX, CX, DX, SI, DI
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| [46] | 314 | ;--------------------------------------------------------------------
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| 315 | .FormatFile:
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| 316 | xchg si, ax
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| [53] | 317 | call String_ConvertDSSItoLowerCase
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| [46] | 318 | xchg ax, si
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| [52] | 319 |
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| 320 | ; Push parameters for file name
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| [53] | 321 | push ax ; Push file name offset
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| 322 | push ds ; Push file name segment
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| [46] | 323 |
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| 324 | ; Push parameters for file size
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| [41] | 325 | mov ax, [si+DTA.dwFileSize]
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| 326 | mov dx, [si+DTA.dwFileSize+2]
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| 327 | xor bx, bx
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| 328 | xor cx, cx
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| 329 | call Size_GetSizeToAXAndCharToDLfromBXDXAXwithMagnitudeInCX
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| 330 | mov cl, 'i'
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| 331 | cmp dl, ' '
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| 332 | eCMOVE cl, dl
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| 333 | push ax
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| 334 | push dx
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| 335 | push cx
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| [46] | 336 |
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| 337 | ; Format to buffer
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| [41] | 338 | mov si, g_szFileFormat
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| 339 | jmp SHORT .FormatStringInCSSIandReturn
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| 340 |
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| [46] | 341 | ;--------------------------------------------------------------------
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| 342 | ; .FormatDirectory
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| 343 | ; Parameters:
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| 344 | ; BP: SP before pushing formatting parameters
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| 345 | ; DS:AX: Far pointer to directory name
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| 346 | ; DS:SI: Ptr to DTA containing file information
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| 347 | ; Returns:
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| 348 | ; Nothing
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| 349 | ; Corrupts registers:
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| [53] | 350 | ; AX, SI, DI
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| [46] | 351 | ;--------------------------------------------------------------------
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| [41] | 352 | ALIGN JUMP_ALIGN
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| 353 | .FormatDirectory:
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| [46] | 354 | push ax ; Push directory name offset
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| 355 | push ds ; Push directory name segment
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| [41] | 356 | mov ax, g_szSub
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| 357 | cmp WORD [si+DTA.szFile], UPDIR_CHARACTERS
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| 358 | eCMOVE ax, g_szUp
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| 359 | push ax
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| 360 | mov si, g_szDirectoryFormat
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| 361 | ALIGN JUMP_ALIGN
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| 362 | .FormatStringInCSSIandReturn:
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| 363 | CALL_DISPLAY_LIBRARY FormatNullTerminatedStringFromCSSI
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| 364 | ret
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| 365 |
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| 366 |
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| 367 | ;--------------------------------------------------------------------
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| [46] | 368 | ; SortDirectoryContentsStringFromESDIwithCountInCX
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| 369 | ; Parameters:
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| 370 | ; CX: Number of files and directories
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| 371 | ; ES:DI: Buffer containing directory contents string
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| 372 | ; SS:BP: Ptr to DIALOG
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| 373 | ; Returns:
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| [53] | 374 | ; ES:DI: Ptr to end of directory contents string
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| [46] | 375 | ; Corrupts registers:
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| [53] | 376 | ; AX, BX, CX, DX, SI, DS
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| [46] | 377 | ;--------------------------------------------------------------------
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| 378 | ALIGN JUMP_ALIGN
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| 379 | SortDirectoryContentsStringFromESDIwithCountInCX:
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| [54] | 380 | call Registers_CopyESDItoDSSI
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| [53] | 381 | call .AddDirectoryContentsStringLengthToDI
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| [46] | 382 | mov bx, .FileStringComparator
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| 383 | xchg dx, cx
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| 384 | mov cx, FILE_STRING_LENGTH
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| 385 | jmp Sort_ItemsFromDSSIwithCountInDXsizeInCXandComparatorInBX
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| 386 |
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| [53] | 387 | ALIGN JUMP_ALIGN
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| 388 | .AddDirectoryContentsStringLengthToDI:
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| 389 | mov ax, FILE_STRING_LENGTH
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| 390 | mul cx
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| 391 | add di, ax
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| 392 | ret
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| 393 |
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| [46] | 394 | ;--------------------------------------------------------------------
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| 395 | ; .FileStringComparator
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| 396 | ; Parameters:
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| 397 | ; CX: Item size in bytes
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| 398 | ; DS:SI: Ptr to first item to compare
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| 399 | ; ES:DI: Ptr to second item to compare
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| 400 | ; Returns:
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| 401 | ; FLAGS: Signed comparition between first and second item
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| 402 | ; Corrupts registers:
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| 403 | ; Nothing
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| 404 | ;--------------------------------------------------------------------
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| 405 | ALIGN JUMP_ALIGN
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| 406 | .FileStringComparator:
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| 407 | push di
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| 408 | push si
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| 409 | push cx
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| 410 | push bx
|
|---|
| 411 |
|
|---|
| 412 | mov bx, FILE_STRING_LENGTH-2 ; Zero BH
|
|---|
| 413 | cmp WORD [si], UPDIR_CHARACTERS
|
|---|
| 414 | je SHORT .ForceValueFromDSSItoBeLess
|
|---|
| 415 | mov bl, [si+bx]
|
|---|
| 416 | cmp bl, [es:di+FILE_STRING_LENGTH-2] ; 'B' for files, 'R' for directories
|
|---|
| 417 | jne SHORT .ForceValueFromDSSItoBeMoreOrLess
|
|---|
| 418 | repe cmpsb ; Two directories or two files
|
|---|
| 419 |
|
|---|
| 420 | ALIGN JUMP_ALIGN
|
|---|
| 421 | .ReturnFromComparison:
|
|---|
| 422 | pop bx
|
|---|
| 423 | pop cx
|
|---|
| 424 | pop si
|
|---|
| 425 | pop di
|
|---|
| 426 | ret
|
|---|
| 427 | ALIGN JUMP_ALIGN
|
|---|
| 428 | .ForceValueFromDSSItoBeMoreOrLess:
|
|---|
| 429 | ja SHORT .ForceValueFromDSSItoBeLess ; Directory in SI, file in DI
|
|---|
| 430 | xchg bl, bh
|
|---|
| 431 | ; Fall to ForceValueFromDSSItoBeLess
|
|---|
| 432 | ALIGN JUMP_ALIGN
|
|---|
| 433 | .ForceValueFromDSSItoBeLess:
|
|---|
| 434 | cmp bh, bl
|
|---|
| 435 | jmp SHORT .ReturnFromComparison
|
|---|
| 436 |
|
|---|
| 437 |
|
|---|
| 438 | ;--------------------------------------------------------------------
|
|---|
| [54] | 439 | ; RemoveLastLFandTerminateESDIwithNull
|
|---|
| 440 | ; Parameters:
|
|---|
| 441 | ; ES:DI: Ptr to end of buffer to terminate
|
|---|
| 442 | ; Returns:
|
|---|
| 443 | ; Nothing
|
|---|
| 444 | ; Corrupts registers:
|
|---|
| 445 | ; AX
|
|---|
| 446 | ;--------------------------------------------------------------------
|
|---|
| 447 | ALIGN JUMP_ALIGN
|
|---|
| 448 | RemoveLastLFandTerminateESDIwithNull:
|
|---|
| 449 | dec di
|
|---|
| 450 | xor ax, ax
|
|---|
| 451 | stosb
|
|---|
| 452 | ret
|
|---|
| 453 |
|
|---|
| 454 |
|
|---|
| 455 | ;--------------------------------------------------------------------
|
|---|
| [41] | 456 | ; GetInfoLinesToCXandDialogFlagsToAX
|
|---|
| 457 | ; Parameters:
|
|---|
| 458 | ; SS:BP: Ptr to DIALOG
|
|---|
| 459 | ; Returns:
|
|---|
| 460 | ; AX: Dialog flags
|
|---|
| 461 | ; CX: Number of info lines to be displayed
|
|---|
| 462 | ; Corrupts registers:
|
|---|
| 463 | ; SI, DS
|
|---|
| 464 | ;--------------------------------------------------------------------
|
|---|
| 465 | ALIGN JUMP_ALIGN
|
|---|
| 466 | GetInfoLinesToCXandDialogFlagsToAX:
|
|---|
| 467 | xor ax, ax
|
|---|
| 468 | call GetDialogFlagsToAL
|
|---|
| 469 | jmp Bit_GetSetCountToCXfromAX
|
|---|
| 470 |
|
|---|
| 471 | ;--------------------------------------------------------------------
|
|---|
| 472 | ; GetDialogFlagsToAL
|
|---|
| 473 | ; Parameters:
|
|---|
| 474 | ; SS:BP: Ptr to DIALOG
|
|---|
| 475 | ; Returns:
|
|---|
| 476 | ; AL: Dialog flags
|
|---|
| 477 | ; Corrupts registers:
|
|---|
| 478 | ; SI, DS
|
|---|
| 479 | ;--------------------------------------------------------------------
|
|---|
| 480 | ALIGN JUMP_ALIGN
|
|---|
| 481 | GetDialogFlagsToAL:
|
|---|
| 482 | lds si, [bp+DIALOG.fpDialogIO]
|
|---|
| 483 | mov al, [si+FILE_DIALOG_IO.bDialogFlags]
|
|---|
| 484 | ret
|
|---|
| 485 |
|
|---|
| 486 |
|
|---|
| 487 | ;--------------------------------------------------------------------
|
|---|
| 488 | ; ParseSelectionFromItemLineInDSSI
|
|---|
| 489 | ; Parameters:
|
|---|
| 490 | ; DS:SI: Ptr to char buffer containing file or directory to be selected
|
|---|
| 491 | ; SS:BP: Ptr to DIALOG
|
|---|
| 492 | ; Returns:
|
|---|
| 493 | ; Nothing
|
|---|
| 494 | ; Corrupts registers:
|
|---|
| 495 | ; All, except BP
|
|---|
| 496 | ;--------------------------------------------------------------------
|
|---|
| 497 | ALIGN JUMP_ALIGN
|
|---|
| 498 | ParseSelectionFromItemLineInDSSI:
|
|---|
| [46] | 499 | mov ax, [si]
|
|---|
| 500 | cmp ax, UPDIR_CHARACTERS
|
|---|
| 501 | je SHORT .ChangeToUpdir
|
|---|
| 502 | call Char_IsUpperCaseLetterInAL
|
|---|
| 503 | jc SHORT .ParseAndChangeToSubdirInDSSI
|
|---|
| 504 | ; Fall to .ParseAndSelectFileFromDSSI
|
|---|
| [41] | 505 |
|
|---|
| 506 | ;--------------------------------------------------------------------
|
|---|
| [46] | 507 | ; .ParseAndSelectFileFromDSSI
|
|---|
| [41] | 508 | ; Parameters:
|
|---|
| [46] | 509 | ; DS:SI: NULL terminated string selected from dialog
|
|---|
| [41] | 510 | ; SS:BP: Ptr to DIALOG
|
|---|
| 511 | ; Returns:
|
|---|
| 512 | ; Nothing (exits dialog)
|
|---|
| 513 | ; Corrupts registers:
|
|---|
| 514 | ; All, except BP
|
|---|
| 515 | ;--------------------------------------------------------------------
|
|---|
| [46] | 516 | .ParseAndSelectFileFromDSSI:
|
|---|
| [41] | 517 | les di, [bp+DIALOG.fpDialogIO]
|
|---|
| 518 | add di, BYTE FILE_DIALOG_IO.szFile
|
|---|
| 519 | mov cx, FILENAME_BUFFER_SIZE-1
|
|---|
| [50] | 520 | call Memory_CopyCXbytesFromDSSItoESDI
|
|---|
| [41] | 521 | xor ax, ax
|
|---|
| 522 | stosb ; Terminate with NULL
|
|---|
| [50] | 523 | jmp SHORT CloseFileDialogAfterSuccessfullSelection
|
|---|
| [41] | 524 |
|
|---|
| 525 | ;--------------------------------------------------------------------
|
|---|
| [46] | 526 | ; .ChangeToUpdir
|
|---|
| [41] | 527 | ; Parameters:
|
|---|
| 528 | ; SS:BP: Ptr to DIALOG
|
|---|
| 529 | ; Returns:
|
|---|
| 530 | ; Nothing
|
|---|
| 531 | ; Corrupts registers:
|
|---|
| 532 | ; All, except BP
|
|---|
| 533 | ;--------------------------------------------------------------------
|
|---|
| 534 | ALIGN JUMP_ALIGN
|
|---|
| [46] | 535 | .ChangeToUpdir:
|
|---|
| [51] | 536 | push cs
|
|---|
| 537 | pop ds
|
|---|
| [46] | 538 | mov si, g_szUpdir
|
|---|
| 539 | jmp SHORT .ChangeDirectoryToDSSI
|
|---|
| 540 |
|
|---|
| 541 | ;--------------------------------------------------------------------
|
|---|
| 542 | ; .ParseAndChangeToSubdirInDSSI
|
|---|
| 543 | ; Parameters:
|
|---|
| 544 | ; DS:SI: NULL terminated string selected from dialog
|
|---|
| 545 | ; SS:BP: Ptr to DIALOG
|
|---|
| 546 | ; Returns:
|
|---|
| 547 | ; Nothing
|
|---|
| 548 | ; Corrupts registers:
|
|---|
| 549 | ; All, except BP
|
|---|
| 550 | ;--------------------------------------------------------------------
|
|---|
| 551 | ALIGN JUMP_ALIGN
|
|---|
| 552 | .ParseAndChangeToSubdirInDSSI:
|
|---|
| 553 | mov BYTE [si+12], NULL ; Terminate with NULL (unnecessary spaces do not matter)
|
|---|
| 554 | .ChangeDirectoryToDSSI:
|
|---|
| [41] | 555 | call Directory_ChangeToPathFromDSSI
|
|---|
| 556 | ; Fall to RefreshFilesToDisplay
|
|---|
| 557 |
|
|---|
| 558 | ;--------------------------------------------------------------------
|
|---|
| 559 | ; RefreshFilesToDisplay
|
|---|
| 560 | ; Parameters:
|
|---|
| 561 | ; SS:BP: Ptr to DIALOG
|
|---|
| 562 | ; Returns:
|
|---|
| 563 | ; Nothing
|
|---|
| 564 | ; Corrupts registers:
|
|---|
| 565 | ; All, except BP
|
|---|
| 566 | ;--------------------------------------------------------------------
|
|---|
| 567 | ALIGN JUMP_ALIGN
|
|---|
| 568 | RefreshFilesToDisplay:
|
|---|
| [54] | 569 | call ReInitializeMenuinitFromSSBP
|
|---|
| [41] | 570 | jmp MenuInit_RefreshMenuWindow
|
|---|
| 571 |
|
|---|
| 572 |
|
|---|
| 573 | ;--------------------------------------------------------------------
|
|---|
| 574 | ; HandleFunctionKeyFromAH
|
|---|
| 575 | ; Parameters:
|
|---|
| 576 | ; AH: Scancode for function key
|
|---|
| 577 | ; SS:BP: Ptr to DIALOG
|
|---|
| 578 | ; Returns:
|
|---|
| 579 | ; Nothing
|
|---|
| 580 | ; Corrupts registers:
|
|---|
| 581 | ; AX, SI, DI, BP
|
|---|
| 582 | ;--------------------------------------------------------------------
|
|---|
| 583 | ALIGN JUMP_ALIGN
|
|---|
| 584 | HandleFunctionKeyFromAH:
|
|---|
| 585 | call GetDialogFlagsToAL
|
|---|
| 586 | cmp ah, KEY_FILEDIALOG_NEW_FILE_OR_DIR
|
|---|
| 587 | je SHORT HandleFunctionKeyForCreatingNewFileOrDirectory
|
|---|
| 588 | cmp ah, KEY_FILEDIALOG_SELECT_DIRECTORY
|
|---|
| 589 | je SHORT HandleFunctionKeyForSelectingDirectoryInsteadOfFile
|
|---|
| 590 | cmp ah, KEY_FILEDIALOG_CHANGE_DRIVE
|
|---|
| 591 | je SHORT HandleFunctionKeyForDriveChange
|
|---|
| 592 | ReturnWithoutHandlingKeystroke:
|
|---|
| 593 | clc ; Event not processed
|
|---|
| 594 | ret
|
|---|
| 595 |
|
|---|
| 596 |
|
|---|
| 597 | ;--------------------------------------------------------------------
|
|---|
| 598 | ; HandleFunctionKeyForCreatingNewFileOrDirectory
|
|---|
| 599 | ; Parameters:
|
|---|
| 600 | ; AL: File dialog flags
|
|---|
| 601 | ; SS:BP: Ptr to DIALOG
|
|---|
| 602 | ; Returns:
|
|---|
| 603 | ; Closes file dialog
|
|---|
| 604 | ; Corrupts registers:
|
|---|
| 605 | ; All, except BP
|
|---|
| 606 | ;--------------------------------------------------------------------
|
|---|
| 607 | ALIGN JUMP_ALIGN
|
|---|
| 608 | HandleFunctionKeyForCreatingNewFileOrDirectory:
|
|---|
| 609 | test al, FLG_FILEDIALOG_NEW
|
|---|
| 610 | jz SHORT ReturnWithoutHandlingKeystroke
|
|---|
| 611 |
|
|---|
| 612 | mov cx, STRING_DIALOG_IO_size
|
|---|
| 613 | call Memory_ReserveCXbytesFromStackToDSSI
|
|---|
| 614 | call .InitializeStringDialogIoInDSSIforInputtingFileName
|
|---|
| 615 |
|
|---|
| 616 | CALL_MENU_LIBRARY GetStringWithIoInDSSI
|
|---|
| 617 | mov al, [si+STRING_DIALOG_IO.bUserCancellation]
|
|---|
| 618 | add sp, BYTE STRING_DIALOG_IO_size
|
|---|
| 619 | test al, al ; User cancellation?
|
|---|
| 620 | jnz SHORT ReturnWithoutHandlingKeystroke
|
|---|
| 621 | jmp CloseFileDialogAfterSuccessfullSelection
|
|---|
| 622 |
|
|---|
| 623 | ALIGN JUMP_ALIGN
|
|---|
| 624 | .InitializeStringDialogIoInDSSIforInputtingFileName:
|
|---|
| 625 | call InitializeNullStringsToDialogInputInDSSI
|
|---|
| 626 | mov WORD [si+DIALOG_INPUT.fszTitle], g_szEnterNewFileOrDirectory
|
|---|
| 627 | mov WORD [si+STRING_DIALOG_IO.fnCharFilter], NULL
|
|---|
| 628 | mov WORD [si+STRING_DIALOG_IO.wBufferSize], FILENAME_BUFFER_SIZE
|
|---|
| 629 | les ax, [bp+DIALOG.fpDialogIO]
|
|---|
| 630 | add ax, BYTE FILE_DIALOG_IO.szFile
|
|---|
| 631 | mov [si+STRING_DIALOG_IO.fpReturnBuffer], ax
|
|---|
| 632 | mov [si+STRING_DIALOG_IO.fpReturnBuffer+2], es
|
|---|
| 633 | ret
|
|---|
| 634 |
|
|---|
| 635 |
|
|---|
| 636 | ;--------------------------------------------------------------------
|
|---|
| 637 | ; HandleFunctionKeyForSelectingDirectoryInsteadOfFile
|
|---|
| 638 | ; Parameters:
|
|---|
| 639 | ; AL: File dialog flags
|
|---|
| 640 | ; SS:BP: Ptr to DIALOG
|
|---|
| 641 | ; Returns:
|
|---|
| 642 | ; Closes file dialog
|
|---|
| 643 | ; Corrupts registers:
|
|---|
| 644 | ; All, except BP
|
|---|
| 645 | ;--------------------------------------------------------------------
|
|---|
| 646 | ALIGN JUMP_ALIGN
|
|---|
| 647 | HandleFunctionKeyForSelectingDirectoryInsteadOfFile:
|
|---|
| 648 | test al, FLG_FILEDIALOG_DIRECTORY
|
|---|
| 649 | jz SHORT ReturnWithoutHandlingKeystroke
|
|---|
| 650 | ; Fall to CloseFileDialogAfterSuccessfullSelection
|
|---|
| 651 |
|
|---|
| 652 | ;--------------------------------------------------------------------
|
|---|
| 653 | ; CloseFileDialogAfterSuccessfullSelection
|
|---|
| 654 | ; Parameters:
|
|---|
| 655 | ; SS:BP: Ptr to DIALOG
|
|---|
| 656 | ; Returns:
|
|---|
| 657 | ; Nothing (exits dialog)
|
|---|
| 658 | ; Corrupts registers:
|
|---|
| 659 | ; All, except BP
|
|---|
| 660 | ;--------------------------------------------------------------------
|
|---|
| 661 | ALIGN JUMP_ALIGN
|
|---|
| 662 | CloseFileDialogAfterSuccessfullSelection:
|
|---|
| 663 | lds di, [bp+DIALOG.fpDialogIO]
|
|---|
| 664 | mov BYTE [di+FILE_DIALOG_IO.bUserCancellation], FALSE
|
|---|
| 665 | jmp MenuInit_CloseMenuWindow
|
|---|
| 666 |
|
|---|
| 667 |
|
|---|
| 668 | ;--------------------------------------------------------------------
|
|---|
| 669 | ; HandleFunctionKeyForDriveChange
|
|---|
| 670 | ; Parameters:
|
|---|
| 671 | ; AL: File dialog flags
|
|---|
| 672 | ; SS:BP: Ptr to DIALOG
|
|---|
| 673 | ; Returns:
|
|---|
| 674 | ; Nothing
|
|---|
| 675 | ; Corrupts registers:
|
|---|
| 676 | ; All, except BP
|
|---|
| 677 | ;--------------------------------------------------------------------
|
|---|
| 678 | ALIGN JUMP_ALIGN
|
|---|
| 679 | HandleFunctionKeyForDriveChange:
|
|---|
| 680 | test al, FLG_FILEDIALOG_DRIVES
|
|---|
| 681 | jz SHORT ReturnWithoutHandlingKeystroke
|
|---|
| 682 |
|
|---|
| [54] | 683 | call DisplayLoadingMessageInInformationArea
|
|---|
| 684 | mov cx, DRIVE_DIALOG_IO_size
|
|---|
| 685 | call Memory_ReserveCXbytesFromStackToDSSI
|
|---|
| 686 | call .DisplayDriveSelectionDialogWithIoInDSSI
|
|---|
| 687 | call .ChangeDriveToUserSelectionFromIoInDSSI
|
|---|
| 688 | add sp, BYTE DRIVE_DIALOG_IO_size
|
|---|
| 689 | ret
|
|---|
| [41] | 690 |
|
|---|
| 691 | ;--------------------------------------------------------------------
|
|---|
| [54] | 692 | ; .DisplayDriveSelectionDialogWithIoInDSSI
|
|---|
| [41] | 693 | ; Parameters:
|
|---|
| [54] | 694 | ; DS:SI: Ptr to uninitialized DRIVE_DIALOG_IO
|
|---|
| [41] | 695 | ; SS:BP: Ptr to DIALOG
|
|---|
| 696 | ; Returns:
|
|---|
| [54] | 697 | ; DS:SI: Ptr to DRIVE_DIALOG_IO
|
|---|
| [41] | 698 | ; Corrupts registers:
|
|---|
| [54] | 699 | ; AX, DI
|
|---|
| [41] | 700 | ;--------------------------------------------------------------------
|
|---|
| 701 | ALIGN JUMP_ALIGN
|
|---|
| [54] | 702 | .DisplayDriveSelectionDialogWithIoInDSSI:
|
|---|
| [41] | 703 | call InitializeNullStringsToDialogInputInDSSI
|
|---|
| 704 | mov WORD [si+DIALOG_INPUT.fszTitle], g_szSelectNewDrive
|
|---|
| [54] | 705 | CALL_MENU_LIBRARY GetDriveWithIoInDSSI
|
|---|
| 706 | ret
|
|---|
| [41] | 707 |
|
|---|
| 708 | ;--------------------------------------------------------------------
|
|---|
| [54] | 709 | ; .ChangeDriveToUserSelectionFromIoInDSSI
|
|---|
| [41] | 710 | ; Parameters:
|
|---|
| [54] | 711 | ; DS:SI: Ptr to DRIVE_DIALOG_IO
|
|---|
| [41] | 712 | ; SS:BP: Ptr to DIALOG
|
|---|
| 713 | ; Returns:
|
|---|
| 714 | ; Nothing
|
|---|
| 715 | ; Corrupts registers:
|
|---|
| [54] | 716 | ; All, except BP
|
|---|
| [41] | 717 | ;--------------------------------------------------------------------
|
|---|
| 718 | ALIGN JUMP_ALIGN
|
|---|
| [54] | 719 | .ChangeDriveToUserSelectionFromIoInDSSI:
|
|---|
| 720 | cmp BYTE [si+DRIVE_DIALOG_IO.bUserCancellation], FALSE
|
|---|
| 721 | jne SHORT .UserCancelledDriveChange
|
|---|
| [41] | 722 |
|
|---|
| [54] | 723 | mov dl, [si+DRIVE_DIALOG_IO.bReturnDriveNumber]
|
|---|
| 724 | call Drive_SetDefaultFromDL
|
|---|
| 725 | jmp RefreshFilesToDisplay
|
|---|
| 726 | .UserCancelledDriveChange:
|
|---|
| [41] | 727 | ret
|
|---|
| 728 |
|
|---|
| 729 |
|
|---|
| 730 | ;--------------------------------------------------------------------
|
|---|
| [54] | 731 | ; DisplayLoadingMessageInInformationArea
|
|---|
| [53] | 732 | ; Parameters:
|
|---|
| [54] | 733 | ; SS:BP: Ptr to DIALOG
|
|---|
| [53] | 734 | ; Returns:
|
|---|
| 735 | ; Nothing
|
|---|
| 736 | ; Corrupts registers:
|
|---|
| [54] | 737 | ; AX, BX, CX, DX, SI, DI
|
|---|
| [53] | 738 | ;--------------------------------------------------------------------
|
|---|
| 739 | ALIGN JUMP_ALIGN
|
|---|
| [54] | 740 | DisplayLoadingMessageInInformationArea:
|
|---|
| 741 | call MenuText_ClearInformationArea
|
|---|
| 742 | call MenuText_PrepareToDrawInformationArea
|
|---|
| 743 | mov si, g_szLoadingPleaseWait
|
|---|
| 744 | CALL_DISPLAY_LIBRARY PrintNullTerminatedStringFromCSSI
|
|---|
| [53] | 745 | ret
|
|---|
| 746 |
|
|---|
| 747 |
|
|---|
| 748 | ;--------------------------------------------------------------------
|
|---|
| [41] | 749 | ; InitializeNullStringsToDialogInputInDSSI
|
|---|
| 750 | ; Parameters:
|
|---|
| 751 | ; DS:SI: Ptr to DIALOG_INPUT
|
|---|
| 752 | ; SS:BP: Ptr to DIALOG
|
|---|
| 753 | ; Returns:
|
|---|
| 754 | ; Nothing
|
|---|
| 755 | ; Corrupts registers:
|
|---|
| 756 | ; AX
|
|---|
| 757 | ;--------------------------------------------------------------------
|
|---|
| 758 | ALIGN JUMP_ALIGN
|
|---|
| 759 | InitializeNullStringsToDialogInputInDSSI:
|
|---|
| 760 | mov ax, g_szNull
|
|---|
| 761 | mov [si+DIALOG_INPUT.fszTitle], ax
|
|---|
| 762 | mov [si+DIALOG_INPUT.fszTitle+2], cs
|
|---|
| 763 | mov [si+DIALOG_INPUT.fszItems], ax
|
|---|
| 764 | mov [si+DIALOG_INPUT.fszItems+2], cs
|
|---|
| 765 | mov [si+DIALOG_INPUT.fszInfo], ax
|
|---|
| 766 | mov [si+DIALOG_INPUT.fszInfo+2], cs
|
|---|
| 767 | ret
|
|---|
