| 1 | ; File name : DialogString.asm
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| 2 | ; Project name : Assembly Library
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| 3 | ; Created date : 12.8.2010
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| 4 | ; Last update : 7.9.2010
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| 5 | ; Author : Tomi Tilli
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| 6 | ; Description : Displays word input dialog.
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| 7 |
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| 8 | ; Section containing code
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| 9 | SECTION .text
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| 10 |
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| 11 | ;--------------------------------------------------------------------
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| 12 | ; DialogString_GetStringWithIoInDSSI
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| 13 | ; Parameters:
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| 14 | ; DS:SI: Ptr to STRING_DIALOG_IO
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| 15 | ; SS:BP: Ptr to parent MENU
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| 16 | ; Returns:
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| 17 | ; Nothing
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| 18 | ; Corrupts registers:
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| 19 | ; AX, BX, CX, DX, SI, DI
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| 20 | ;--------------------------------------------------------------------
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| 21 | ALIGN JUMP_ALIGN
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| 22 | DialogString_GetStringWithIoInDSSI:
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| 23 | mov bx, StringEventHandler
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| 24 | mov BYTE [si+STRING_DIALOG_IO.bUserCancellation], TRUE
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| 25 | jmp Dialog_DisplayWithDialogInputInDSSIandHandlerInBX
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| 26 |
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| 27 |
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| 28 | ;--------------------------------------------------------------------
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| 29 | ; StringEventHandler
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| 30 | ; Common parameters for all events:
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| 31 | ; BX: Menu event (anything from MENUEVENT struct)
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| 32 | ; SS:BP: Ptr to DIALOG
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| 33 | ; Common return values for all events:
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| 34 | ; CF: Set if event processed
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| 35 | ; Cleared if event not processed
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| 36 | ; Corrupts registers:
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| 37 | ; All
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| 38 | ;--------------------------------------------------------------------
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| 39 | ALIGN JUMP_ALIGN
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| 40 | StringEventHandler:
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| 41 | jmp [cs:bx+.rgfnEventHandlers]
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| 42 |
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| 43 |
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| 44 | ALIGN JUMP_ALIGN
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| 45 | .IdleProcessing:
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| 46 | xor ax, ax ; Item 0 is used as input line
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| 47 | call MenuText_AdjustDisplayContextForDrawingItemFromAX
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| 48 | call GetStringFromUser
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| 49 | call MenuInit_CloseMenuWindow
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| 50 | stc
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| 51 | ret
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| 52 |
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| 53 |
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| 54 | ALIGN WORD_ALIGN
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| 55 | .rgfnEventHandlers:
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| 56 | istruc MENUEVENT
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| 57 | at MENUEVENT.InitializeMenuinitFromDSSI, dw Dialog_EventInitializeMenuinitFromDSSIforSingleItem
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| 58 | at MENUEVENT.ExitMenu, dw Dialog_EventNotHandled
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| 59 | at MENUEVENT.IdleProcessing, dw .IdleProcessing
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| 60 | at MENUEVENT.ItemHighlightedFromCX, dw Dialog_EventNotHandled
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| 61 | at MENUEVENT.ItemSelectedFromCX, dw Dialog_EventNotHandled
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| 62 | at MENUEVENT.KeyStrokeInAX, dw Dialog_EventNotHandled
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| 63 | at MENUEVENT.RefreshTitle, dw Dialog_EventRefreshTitle
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| 64 | at MENUEVENT.RefreshInformation, dw Dialog_EventRefreshInformation
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| 65 | at MENUEVENT.RefreshItemFromCX, dw Dialog_EventNotHandled
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| 66 | iend
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| 67 |
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| 68 |
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| 69 | ;--------------------------------------------------------------------
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| 70 | ; GetStringFromUser
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| 71 | ; Parameters
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| 72 | ; SS:BP: Ptr to DIALOG
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| 73 | ; Returns:
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| 74 | ; Nothing (User input stored to STRING_DIALOG_IO)
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| 75 | ; Corrupts registers:
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| 76 | ; AX, CX, DX, SI, DI
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| 77 | ;--------------------------------------------------------------------
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| 78 | ALIGN JUMP_ALIGN
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| 79 | GetStringFromUser:
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| 80 | lds si, [bp+DIALOG.fpDialogIO]
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| 81 | mov cx, [si+STRING_DIALOG_IO.wBufferSize]
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| 82 | les di, [si+STRING_DIALOG_IO.fpReturnBuffer]
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| 83 | call .GetCharacterFilterFunctionToDX
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| 84 |
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| 85 | call Keyboard_ReadUserInputtedStringToESDIWhilePrinting
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| 86 | jz SHORT .UserCancellation
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| 87 |
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| 88 | mov BYTE [si+STRING_DIALOG_IO.bUserCancellation], FALSE
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| 89 | mov [si+STRING_DIALOG_IO.wReturnLength], cx
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| 90 | .UserCancellation:
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| 91 | ret
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| 92 |
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| 93 | ;--------------------------------------------------------------------
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| 94 | ; .GetCharacterFilterFunctionToDX
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| 95 | ; Parameters
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| 96 | ; DS:SI: Ptr to STRING_DIALOG_IO
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| 97 | ; SS:BP: Ptr to DIALOG
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| 98 | ; Returns:
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| 99 | ; CS:DX: Ptr to character filter function
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| 100 | ; Corrupts registers:
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| 101 | ; Nothing
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| 102 | ;--------------------------------------------------------------------
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| 103 | ALIGN JUMP_ALIGN
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| 104 | .GetCharacterFilterFunctionToDX:
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| 105 | mov dx, [si+STRING_DIALOG_IO.fnCharFilter]
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| 106 | test dx, dx
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| 107 | jnz SHORT .ReturnFilterFunctionInDX
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| 108 | mov dx, Char_CharIsValid
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| 109 | ALIGN JUMP_ALIGN, ret
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| 110 | .ReturnFilterFunctionInDX:
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| 111 | ret
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