| 1 | ; File name : Dialog.asm
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| 2 | ; Project name : Assembly Library
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| 3 | ; Created date : 6.8.2010
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| 4 | ; Last update : 22.11.2010
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| 5 | ; Author : Tomi Tilli
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| 6 | ; Description : Common functions for many dialogs.
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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 | ; Dialog_DisplayWithDialogInputInDSSIandHandlerInBX
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| 13 | ; Parameters:
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| 14 | ; BX: Offset to menu event handler
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| 15 | ; DX:AX: Optional user data
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| 16 | ; DS:SI: Ptr to DIALOG_INPUT
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| 17 | ; SS:BP: Ptr to parent MENU
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| 18 | ; Returns:
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| 19 | ; AX: Selected item
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| 20 | ; Corrupts registers:
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| 21 | ; BX, CX, DX, SI, DI
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| 22 | ;--------------------------------------------------------------------
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| 23 | ALIGN JUMP_ALIGN
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| 24 | Dialog_DisplayWithDialogInputInDSSIandHandlerInBX:
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| 25 | push es
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| 26 | push ds
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| 27 | mov di, bp ; Backup parent MENU
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| 28 | mov cx, DIALOG_size
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| 29 | eENTER_STRUCT cx
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| 30 |
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| 31 | call Memory_ZeroSSBPwithSizeInCX
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| 32 | mov [bp+DIALOG.fpDialogIO], si
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| 33 | mov [bp+DIALOG.fpDialogIO+2], ds
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| 34 | mov [bp+DIALOG.pParentMenu], di
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| 35 |
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| 36 | call MenuInit_EnterMenuWithHandlerInBXandUserDataInDXAX
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| 37 | call Dialog_RemoveFromScreenByRedrawingParentMenu
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| 38 | call Keyboard_RemoveAllKeystrokesFromBuffer
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| 39 |
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| 40 | mov ax, [bp+MENUINIT.wHighlightedItem]
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| 41 | eLEAVE_STRUCT DIALOG_size
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| 42 | pop ds
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| 43 | pop es
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| 44 | ret
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| 45 |
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| 46 |
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| 47 | ;--------------------------------------------------------------------
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| 48 | ; Dialog_EventNotHandled
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| 49 | ; Parameters:
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| 50 | ; BX: Menu event (anything from MENUEVENT struct)
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| 51 | ; SS:BP: Ptr to DIALOG
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| 52 | ; Returns:
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| 53 | ; CF: Cleared since event not processed
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| 54 | ; Corrupts registers:
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| 55 | ; Nothing
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| 56 | ;--------------------------------------------------------------------
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| 57 | ALIGN JUMP_ALIGN
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| 58 | Dialog_EventNotHandled:
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| 59 | clc
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| 60 | ret
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| 61 |
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| 62 |
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| 63 | ;--------------------------------------------------------------------
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| 64 | ; Dialog_EventAnyThatClosesDialog
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| 65 | ; Dialog_EventExitMenu
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| 66 | ; Parameters:
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| 67 | ; SS:BP: Ptr to DIALOG
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| 68 | ; Returns:
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| 69 | ; CF: Set since event processed
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| 70 | ; Corrupts registers:
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| 71 | ; Nothing
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| 72 | ;--------------------------------------------------------------------
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| 73 | ALIGN JUMP_ALIGN
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| 74 | Dialog_EventAnyThatClosesDialog:
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| 75 | call MenuInit_CloseMenuWindow
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| 76 | ALIGN JUMP_ALIGN
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| 77 | Dialog_EventExitMenu:
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| 78 | stc
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| 79 | ret
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| 80 |
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| 81 |
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| 82 | ;--------------------------------------------------------------------
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| 83 | ; Dialog_EventInitializeMenuinitFromDSSIforSingleItemWithHighlightedItemInAX
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| 84 | ; Parameters:
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| 85 | ; AX: Index of highlighted item
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| 86 | ; DS:SI: Ptr to MENUINIT struct to initialize
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| 87 | ; SS:BP: Ptr to DIALOG
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| 88 | ; Returns:
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| 89 | ; DS:SI: Ptr to initialized MENUINIT struct
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| 90 | ; CF: Set since event processed
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| 91 | ;--------------------------------------------------------------------
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| 92 | ALIGN JUMP_ALIGN
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| 93 | Dialog_EventInitializeMenuinitFromDSSIforSingleItemWithHighlightedItemInAX:
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| 94 | les di, [bp+DIALOG.fpDialogIO]
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| 95 | mov WORD [es:di+DIALOG_INPUT.fszItems], g_szSingleItem
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| 96 | mov [es:di+DIALOG_INPUT.fszItems+2], cs
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| 97 | ; Fall to Dialog_EventInitializeMenuinitFromDSSIwithHighlightedItemInAX
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| 98 |
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| 99 | ;--------------------------------------------------------------------
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| 100 | ; Dialog_EventInitializeMenuinitFromDSSIwithHighlightedItemInAX
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| 101 | ; Parameters:
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| 102 | ; AX: Index of highlighted item
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| 103 | ; DS:SI: Ptr to MENUINIT struct to initialize
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| 104 | ; SS:BP: Ptr to DIALOG
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| 105 | ; Returns:
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| 106 | ; DS:SI: Ptr to initialized MENUINIT struct
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| 107 | ; CF: Set since event processed
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| 108 | ;--------------------------------------------------------------------
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| 109 | ALIGN JUMP_ALIGN
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| 110 | Dialog_EventInitializeMenuinitFromDSSIwithHighlightedItemInAX:
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| 111 | mov [bp+MENUINIT.wHighlightedItem], ax
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| 112 | les di, [bp+DIALOG.fpDialogIO]
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| 113 | call .GetWidthBasedOnParentMenuToAL
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| 114 | mov [bp+MENUINIT.bWidth], al
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| 115 |
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| 116 | lds si, [es:di+DIALOG_INPUT.fszTitle]
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| 117 | call ItemLineSplitter_GetLinesToAXforStringInDSSI
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| 118 | mov [bp+MENUINIT.bTitleLines], al
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| 119 |
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| 120 | lds si, [es:di+DIALOG_INPUT.fszItems]
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| 121 | call ItemLineSplitter_GetLinesToAXforStringInDSSI
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| 122 | mov [bp+MENUINIT.wItems], ax
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| 123 |
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| 124 | lds si, [es:di+DIALOG_INPUT.fszInfo]
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| 125 | call ItemLineSplitter_GetLinesToAXforStringInDSSI
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| 126 | mov [bp+MENUINIT.bInfoLines], al
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| 127 |
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| 128 | call .GetHeightToAH ; Line counts are required
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| 129 | mov [bp+MENUINIT.bHeight], ah
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| 130 | stc
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| 131 | ret
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| 132 |
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| 133 | ;--------------------------------------------------------------------
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| 134 | ; .GetWidthBasedOnParentMenuToAL
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| 135 | ; Parameters:
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| 136 | ; SS:BP: Ptr to DIALOG
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| 137 | ; Returns:
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| 138 | ; AX: Width for dialog
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| 139 | ; Corrupts registers:
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| 140 | ; BX
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| 141 | ;--------------------------------------------------------------------
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| 142 | ALIGN JUMP_ALIGN
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| 143 | .GetWidthBasedOnParentMenuToAL:
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| 144 | mov bx, [bp+DIALOG.pParentMenu]
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| 145 | mov al, [ss:bx+MENUINIT.bWidth]
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| 146 | sub al, DIALOG_DELTA_WIDTH_FROM_PARENT
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| 147 | MIN_U al, DIALOG_MAX_WIDTH
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| 148 | ret
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| 149 |
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| 150 | ;--------------------------------------------------------------------
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| 151 | ; .GetHeightToAH
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| 152 | ; Parameters:
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| 153 | ; SS:BP: Ptr to DIALOG
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| 154 | ; Returns:
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| 155 | ; AH: Height for dialog
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| 156 | ; Corrupts registers:
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| 157 | ; AL, BX, DI
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| 158 | ;--------------------------------------------------------------------
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| 159 | ALIGN JUMP_ALIGN
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| 160 | .GetHeightToAH:
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| 161 | CALL_DISPLAY_LIBRARY GetColumnsToALandRowsToAH
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| 162 | xchg bx, ax
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| 163 | mov ah, [bp+MENUINIT.bTitleLines]
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| 164 | add ah, [bp+MENUINIT.wItems]
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| 165 | add ah, [bp+MENUINIT.bInfoLines]
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| 166 | add ah, BYTE MENU_VERTICAL_BORDER_LINES
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| 167 | MIN_U ah, bh
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| 168 | MIN_U ah, DIALOG_MAX_HEIGHT
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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 | ; Dialog_EventRefreshTitle
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| 174 | ; Dialog_EventRefreshInformation
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| 175 | ; Parameters:
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| 176 | ; SS:BP: Ptr to DIALOG
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| 177 | ; Returns:
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| 178 | ; CF: Set since event processed
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| 179 | ;--------------------------------------------------------------------
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| 180 | ALIGN JUMP_ALIGN
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| 181 | Dialog_EventRefreshTitle:
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| 182 | lds si, [bp+DIALOG.fpDialogIO]
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| 183 | lds si, [si+DIALOG_INPUT.fszTitle]
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| 184 | jmp SHORT PrintTitleOrInfoLine
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| 185 |
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| 186 | ALIGN JUMP_ALIGN
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| 187 | Dialog_EventRefreshInformation:
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| 188 | lds si, [bp+DIALOG.fpDialogIO]
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| 189 | lds si, [si+DIALOG_INPUT.fszInfo]
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| 190 | ; Fall to PrintTitleOrInfoLine
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| 191 |
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| 192 | ALIGN JUMP_ALIGN
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| 193 | PrintTitleOrInfoLine:
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| 194 | mov bx, ds
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| 195 | CALL_DISPLAY_LIBRARY PrintNullTerminatedStringFromBXSI
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| 196 | stc
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| 197 | ret
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| 198 |
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| 199 |
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| 200 | ;--------------------------------------------------------------------
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| 201 | ; Dialog_EventRefreshItemFromCX
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| 202 | ; Parameters:
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| 203 | ; CX: Item to refresh
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| 204 | ; SS:BP: Ptr to DIALOG
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| 205 | ; Returns:
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| 206 | ; CF: Set since event processed
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| 207 | ;--------------------------------------------------------------------
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| 208 | ALIGN JUMP_ALIGN
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| 209 | Dialog_EventRefreshItemFromCX:
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| 210 | lds si, [bp+DIALOG.fpDialogIO]
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| 211 | lds si, [si+DIALOG_INPUT.fszItems]
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| 212 | call ItemLineSplitter_GetLineToDSSIandLengthToCXfromStringInDSSIwithIndexInCX
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| 213 | jnc SHORT .LineNotFound
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| 214 |
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| 215 | mov bx, ds
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| 216 | CALL_DISPLAY_LIBRARY PrintCharBufferFromBXSIwithLengthInCX
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| 217 | .LineNotFound:
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| 218 | stc
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| 219 | ret
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| 220 |
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| 221 |
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| 222 | ;--------------------------------------------------------------------
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| 223 | ; Dialog_RemoveFromScreenByRedrawingParentMenu
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| 224 | ; Parameters:
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| 225 | ; SS:BP: Ptr to DIALOG
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| 226 | ; Returns:
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| 227 | ; Nothing
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| 228 | ; Corrupts:
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| 229 | ; AX, BX, CX, DX, SI, DI
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| 230 | ;--------------------------------------------------------------------
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| 231 | ALIGN JUMP_ALIGN
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| 232 | Dialog_RemoveFromScreenByRedrawingParentMenu:
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| 233 | mov si, [bp+DIALOG.pParentMenu] ; SS:SI points to parent MENU
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| 234 | call .GetParentTitleBorderCoordinatesToDX
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| 235 | call MenuLocation_GetTitleBordersTopLeftCoordinatesToAX
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| 236 | cmp ah, dh ; Dialog taller than parent?
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| 237 | jb SHORT .RedrawDialogAreaAndWholeParentWindow
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| 238 | jmp SHORT .RedrawWholeParentWindow
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| 239 |
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| 240 | ;--------------------------------------------------------------------
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| 241 | ; .GetParentTitleBorderCoordinatesToDX
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| 242 | ; Parameters:
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| 243 | ; SS:SI: Ptr to parent MENU
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| 244 | ; SS:BP: Ptr to DIALOG
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| 245 | ; Returns:
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| 246 | ; DL: Parent border column (X)
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| 247 | ; DH: Parent border row (Y)
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| 248 | ; Corrupts:
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| 249 | ; AX
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| 250 | ;--------------------------------------------------------------------
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| 251 | ALIGN JUMP_ALIGN
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| 252 | .GetParentTitleBorderCoordinatesToDX:
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| 253 | xchg si, bp
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| 254 | call MenuLocation_GetTitleBordersTopLeftCoordinatesToAX
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| 255 | xchg bp, si
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| 256 | xchg dx, ax
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| 257 | ret
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| 258 |
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| 259 | ;--------------------------------------------------------------------
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| 260 | ; .RedrawDialogAreaAndWholeParentWindow
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| 261 | ; .RedrawWholeParentWindow
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| 262 | ; Parameters:
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| 263 | ; SS:SI: Ptr to parent MENU
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| 264 | ; SS:BP: Ptr to DIALOG
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| 265 | ; Returns:
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| 266 | ; Nothing
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| 267 | ; Corrupts:
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| 268 | ; AX, BX, CX, DX, SI, DI
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| 269 | ;--------------------------------------------------------------------
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| 270 | ALIGN JUMP_ALIGN
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| 271 | .RedrawDialogAreaAndWholeParentWindow:
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| 272 | push si
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| 273 | call MenuBorders_AdjustDisplayContextForDrawingBorders
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| 274 | pop si
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| 275 | mov al, SCREEN_BACKGROUND_ATTRIBUTE
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| 276 | CALL_DISPLAY_LIBRARY SetCharacterAttributeFromAL
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| 277 | mov ax, [bp+MENUINIT.wWidthAndHeight]
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| 278 | CALL_DISPLAY_LIBRARY ClearAreaWithHeightInAHandWidthInAL
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| 279 | ; Fall to .RedrawWholeParentWindow
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| 280 |
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| 281 | ALIGN JUMP_ALIGN
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| 282 | .RedrawWholeParentWindow:
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| 283 | push bp
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| 284 | mov bp, si
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| 285 | call MenuInit_RefreshMenuWindow
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| 286 | pop bp
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| 287 | ret
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