| 1 | ; File name : MenuEvents.inc
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| 2 | ; Project name : Assembly Library
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| 3 | ; Created date : 13.7.2010
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| 4 | ; Last update : 18.10.2010
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| 5 | ; Author : Tomi Tilli
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| 6 | ; Description : Defines for Menu events send to the user.
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| 7 | %ifndef MENUEVENTS_INC
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| 8 | %define MENUEVENTS_INC
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| 9 |
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| 10 | ;--------------------------------------------------------------------
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| 11 | ; Events to be processed in user implemented handler.
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| 12 | ; Common parameters for all events:
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| 13 | ; BX: Menu event (anything from MENUEVENT struct)
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| 14 | ; SS:BP: Menu library handle
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| 15 | ; Common return values for all events:
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| 16 | ; CF: Set if event processed
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| 17 | ; Cleared if event not processed
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| 18 | ; Corrupts registers:
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| 19 | ; All
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| 20 | ;--------------------------------------------------------------------
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| 21 |
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| 22 | ;
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| 23 | ; There are two ways to use MENUEVENT:
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| 24 | ;
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| 25 | ; 1. If the program needs two different menus, include the definition of the MENUEVENT structure below,
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| 26 | ; instantiate with members that point to the routines that make up the menu.
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| 27 | ;
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| 28 | ; 2. If the program needs only one menu, %define MENUEVENT_INLINE_OFFSETS before this include file,
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| 29 | ; and define (through EQU statements) each of the entry points as offsets from a base address.
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| 30 | ; Entry points must be within 256 bytes of the base (only a byte is used to pass the offset).
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| 31 | ;
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| 32 |
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| 33 | %ifndef MENUEVENT_INLINE_OFFSETS
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| 34 |
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| 35 | struc MENUEVENT
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| 36 | ; Parameters:
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| 37 | ; DS:SI: Ptr to MENUINIT struct to initialize
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| 38 | ; Returns:
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| 39 | ; DS:SI: Ptr to initialized MENUINIT struct
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| 40 | .InitializeMenuinitFromDSSI resb 2
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| 41 | %define MENUEVENT_InitializeMenuinitFromDSSI MENUEVENT.InitializeMenuinitFromDSSI
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| 42 |
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| 43 | ; Parameters:
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| 44 | ; None
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| 45 | ; Returns:
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| 46 | ; CF: Set to exit menu
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| 47 | ; Clear to cancel exit
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| 48 | .ExitMenu resb 2
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| 49 | %define MENUEVENT_ExitMenu MENUEVENT.ExitMenu
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| 50 |
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| 51 | ; Parameters:
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| 52 | ; None
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| 53 | ; See the definition of MENUEVENT_IDLEPROCESSING_ENABLE below.
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| 54 | .IdleProcessing resb 2
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| 55 | %define MENUEVENT_IdleProcessing MENUEVENT.IdleProcessing
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| 56 |
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| 57 | ; Parameters:
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| 58 | ; CX: Index of new highlighted item
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| 59 | ; DX: Index of previously highlighted item or NO_ITEM_HIGHLIGHTED
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| 60 | .ItemHighlightedFromCX resb 2
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| 61 | %define MENUEVENT_ItemHighlightedFromCX MENUEVENT.ItemHighlightedFromCX
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| 62 |
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| 63 | ; Parameters:
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| 64 | ; CX: Index of selected item
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| 65 | .ItemSelectedFromCX resb 2
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| 66 | %define MENUEVENT_ItemSelectedFromCX MENUEVENT.ItemSelectedFromCX
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| 67 |
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| 68 | ; Parameters:
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| 69 | ; AL: ASCII character for the key
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| 70 | ; AH: Keyboard library scan code for the key
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| 71 | .KeyStrokeInAX resb 2
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| 72 | %define MENUEVENT_KeyStrokeInAX MENUEVENT.KeyStrokeInAX
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| 73 |
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| 74 | ; Parameters:
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| 75 | ; CX: Index of highlighted item
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| 76 | ; Cursor has been positioned to the beginning of first line
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| 77 | .RefreshTitle resb 2
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| 78 | .RefreshInformation resb 2
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| 79 | %define MENUEVENT_RefreshTitle MENUEVENT.RefreshTitle
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| 80 | %define MENUEVENT_RefreshInformation MENUEVENT.RefreshInformation
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| 81 |
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| 82 | ; Parameters:
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| 83 | ; CX: Index of item to refresh
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| 84 | ; Cursor has been positioned to the beginning of item line
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| 85 | .RefreshItemFromCX resb 2
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| 86 | %define MENUEVENT_RefreshItemFromCX MENUEVENT.RefreshItemFromCX
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| 87 | endstruc
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| 88 |
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| 89 | %endif ; MENUEVENTS_INLINE_OFFSETS
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| 90 |
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| 91 | ;
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| 92 | ; If user level idle processing is desired, %define this symbol and .IdleProcessing will be called.
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| 93 | ;
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| 94 | ;%define MENUEVENT_IDLEPROCESSING_ENABLE
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| 95 |
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| 96 | %endif ; MENUEVENTS_INC
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