source: xtideuniversalbios/trunk/Assembly_Library/Src/Menu/Dialog/DialogWord.asm@ 42

Last change on this file since 42 was 41, checked in by Tomi Tilli, 14 years ago

Initial commit for Assembly Library.

File size: 3.6 KB
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[41]1; File name : DialogWord.asm
2; Project name : Assembly Library
3; Created date : 10.8.2010
4; Last update : 7.9.2010
5; Author : Tomi Tilli
6; Description : Displays word input dialog.
7
8; Section containing code
9SECTION .text
10
11;--------------------------------------------------------------------
12; DialogWord_GetWordWithIoInDSSI
13; Parameters:
14; DS:SI: Ptr to WORD_DIALOG_IO
15; SS:BP: Ptr to parent MENU
16; Returns:
17; Nothing
18; Corrupts registers:
19; AX, BX, CX, DX, SI, DI
20;--------------------------------------------------------------------
21ALIGN JUMP_ALIGN
22DialogWord_GetWordWithIoInDSSI:
23 mov bx, WordEventHandler
24 mov BYTE [si+WORD_DIALOG_IO.bUserCancellation], TRUE
25 jmp Dialog_DisplayWithDialogInputInDSSIandHandlerInBX
26
27
28;--------------------------------------------------------------------
29; WordEventHandler
30; Common parameters for all events:
31; BX: Menu event (anything from MENUEVENT struct)
32; SS:BP: Ptr to DIALOG
33; Common return values for all events:
34; CF: Set if event processed
35; Cleared if event not processed
36; Corrupts registers:
37; All
38;--------------------------------------------------------------------
39ALIGN JUMP_ALIGN
40WordEventHandler:
41 jmp [cs:bx+.rgfnEventHandlers]
42
43
44ALIGN JUMP_ALIGN
45.IdleProcessing:
46 xor ax, ax ; Item 0 is used as input line
47 call MenuText_AdjustDisplayContextForDrawingItemFromAX
48 call GetWordFromUser
49 call MenuInit_CloseMenuWindow
50 stc
51 ret
52
53
54ALIGN WORD_ALIGN
55.rgfnEventHandlers:
56istruc MENUEVENT
57 at MENUEVENT.InitializeMenuinitFromDSSI, dw Dialog_EventInitializeMenuinitFromDSSIforSingleItem
58 at MENUEVENT.ExitMenu, dw Dialog_EventNotHandled
59 at MENUEVENT.IdleProcessing, dw .IdleProcessing
60 at MENUEVENT.ItemHighlightedFromCX, dw Dialog_EventNotHandled
61 at MENUEVENT.ItemSelectedFromCX, dw Dialog_EventNotHandled
62 at MENUEVENT.KeyStrokeInAX, dw Dialog_EventNotHandled
63 at MENUEVENT.RefreshTitle, dw Dialog_EventRefreshTitle
64 at MENUEVENT.RefreshInformation, dw Dialog_EventRefreshInformation
65 at MENUEVENT.RefreshItemFromCX, dw Dialog_EventNotHandled
66iend
67
68
69;--------------------------------------------------------------------
70; GetWordFromUser
71; Parameters
72; SS:BP: Ptr to DIALOG
73; Returns:
74; Nothing (User input stored to WORD_DIALOG_IO)
75; Corrupts registers:
76; AX, BX, DX, SI, DI
77;--------------------------------------------------------------------
78ALIGN JUMP_ALIGN
79GetWordFromUser:
80 lds si, [bp+DIALOG.fpDialogIO]
81 eMOVZX bx, BYTE [si+WORD_DIALOG_IO.bNumericBase]
82ALIGN JUMP_ALIGN
83.GetUserInputIntilValidOrCancelled:
84 call Keyboard_ReadUserInputtedWordWhilePrinting
85 jz SHORT .UserCancellation
86
87 cmp ax, [si+WORD_DIALOG_IO.wMin]
88 jb SHORT .InputtedWordNotInRange
89 cmp ax, [si+WORD_DIALOG_IO.wMax]
90 ja SHORT .InputtedWordNotInRange
91
92 mov [si+WORD_DIALOG_IO.bUserCancellation], bh ; Zero = FALSE
93 mov [si+WORD_DIALOG_IO.wReturnWord], ax
94.UserCancellation:
95 ret
96
97.InputtedWordNotInRange:
98 call Keyboard_PlayBellForUnwantedKeystroke
99 call .ClearInputtedWordFromDialog
100 jmp SHORT .GetUserInputIntilValidOrCancelled
101
102;--------------------------------------------------------------------
103; .ClearInputtedWordFromDialog
104; Parameters
105; SS:BP: Ptr to DIALOG
106; Returns:
107; Nothing
108; Corrupts registers:
109; AX, CX, DX, DI
110;--------------------------------------------------------------------
111ALIGN JUMP_ALIGN
112.ClearInputtedWordFromDialog:
113 CALL_DISPLAY_LIBRARY GetSoftwareCoordinatesToAX
114 xchg dx, ax
115
116 mov al, ' '
117 mov cx, 5
118 CALL_DISPLAY_LIBRARY PrintRepeatedCharacterFromALwithCountInCX
119
120 xchg ax, dx
121 CALL_DISPLAY_LIBRARY SetCursorCoordinatesFromAX
122 ret
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