| [41] | 1 | ; Project name : Assembly Library
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| 2 | ; Description : Common functions for many dialogs.
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| 3 |
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| 4 | ; Section containing code
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| 5 | SECTION .text
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| 6 |
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| 7 | ;--------------------------------------------------------------------
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| 8 | ; Dialog_DisplayWithDialogInputInDSSIandHandlerInBX
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| 9 | ; Parameters:
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| 10 | ; BX: Offset to menu event handler
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| 11 | ; DX:AX: Optional user data
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| 12 | ; DS:SI: Ptr to DIALOG_INPUT
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| 13 | ; SS:BP: Ptr to parent MENU
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| 14 | ; Returns:
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| 15 | ; AX: Selected item
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| 16 | ; Corrupts registers:
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| 17 | ; BX, CX, DX, SI, DI
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| 18 | ;--------------------------------------------------------------------
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| 19 | ALIGN JUMP_ALIGN
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| 20 | Dialog_DisplayWithDialogInputInDSSIandHandlerInBX:
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| 21 | push es
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| 22 | push ds
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| 23 | mov di, bp ; Backup parent MENU
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| [50] | 24 | mov cx, DIALOG_size
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| 25 | eENTER_STRUCT cx
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| [41] | 26 |
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| [46] | 27 | call Memory_ZeroSSBPwithSizeInCX
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| [41] | 28 | mov [bp+DIALOG.fpDialogIO], si
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| 29 | mov [bp+DIALOG.fpDialogIO+2], ds
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| 30 | mov [bp+DIALOG.pParentMenu], di
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| 31 |
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| 32 | call MenuInit_EnterMenuWithHandlerInBXandUserDataInDXAX
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| 33 | call Dialog_RemoveFromScreenByRedrawingParentMenu
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| 34 | call Keyboard_RemoveAllKeystrokesFromBuffer
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| 35 |
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| [52] | 36 | mov ax, [bp+MENUINIT.wHighlightedItem]
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| [41] | 37 | eLEAVE_STRUCT DIALOG_size
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| 38 | pop ds
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| 39 | pop es
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| 40 | ret
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| 41 |
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| 42 |
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| 43 | ;--------------------------------------------------------------------
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| 44 | ; Dialog_EventNotHandled
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| 45 | ; Parameters:
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| 46 | ; BX: Menu event (anything from MENUEVENT struct)
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| 47 | ; SS:BP: Ptr to DIALOG
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| 48 | ; Returns:
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| 49 | ; CF: Cleared since event not processed
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| 50 | ; Corrupts registers:
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| 51 | ; Nothing
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| 52 | ;--------------------------------------------------------------------
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| 53 | ALIGN JUMP_ALIGN
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| 54 | Dialog_EventNotHandled:
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| 55 | clc
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| 56 | ret
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| 57 |
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| 58 |
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| 59 | ;--------------------------------------------------------------------
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| 60 | ; Dialog_EventAnyThatClosesDialog
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| [58] | 61 | ; Dialog_EventExitMenu
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| [41] | 62 | ; Parameters:
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| 63 | ; SS:BP: Ptr to DIALOG
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| 64 | ; Returns:
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| 65 | ; CF: Set since event processed
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| 66 | ; Corrupts registers:
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| 67 | ; Nothing
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| 68 | ;--------------------------------------------------------------------
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| 69 | ALIGN JUMP_ALIGN
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| 70 | Dialog_EventAnyThatClosesDialog:
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| 71 | call MenuInit_CloseMenuWindow
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| [58] | 72 | ALIGN JUMP_ALIGN
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| 73 | Dialog_EventExitMenu:
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| [41] | 74 | stc
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| 75 | ret
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| 76 |
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| 77 |
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| 78 | ;--------------------------------------------------------------------
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| [52] | 79 | ; Dialog_EventInitializeMenuinitFromDSSIforSingleItemWithHighlightedItemInAX
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| [41] | 80 | ; Parameters:
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| [52] | 81 | ; AX: Index of highlighted item
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| [41] | 82 | ; DS:SI: Ptr to MENUINIT struct to initialize
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| 83 | ; SS:BP: Ptr to DIALOG
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| 84 | ; Returns:
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| 85 | ; DS:SI: Ptr to initialized MENUINIT struct
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| 86 | ; CF: Set since event processed
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| 87 | ;--------------------------------------------------------------------
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| 88 | ALIGN JUMP_ALIGN
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| [52] | 89 | Dialog_EventInitializeMenuinitFromDSSIforSingleItemWithHighlightedItemInAX:
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| [41] | 90 | les di, [bp+DIALOG.fpDialogIO]
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| 91 | mov WORD [es:di+DIALOG_INPUT.fszItems], g_szSingleItem
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| 92 | mov [es:di+DIALOG_INPUT.fszItems+2], cs
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| [52] | 93 | ; Fall to Dialog_EventInitializeMenuinitFromDSSIwithHighlightedItemInAX
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| [41] | 94 |
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| 95 | ;--------------------------------------------------------------------
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| [52] | 96 | ; Dialog_EventInitializeMenuinitFromDSSIwithHighlightedItemInAX
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| [41] | 97 | ; Parameters:
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| [52] | 98 | ; AX: Index of highlighted item
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| [41] | 99 | ; DS:SI: Ptr to MENUINIT struct to initialize
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| 100 | ; SS:BP: Ptr to DIALOG
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| 101 | ; Returns:
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| 102 | ; DS:SI: Ptr to initialized MENUINIT struct
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| 103 | ; CF: Set since event processed
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| 104 | ;--------------------------------------------------------------------
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| 105 | ALIGN JUMP_ALIGN
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| [52] | 106 | Dialog_EventInitializeMenuinitFromDSSIwithHighlightedItemInAX:
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| 107 | mov [bp+MENUINIT.wHighlightedItem], ax
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| [41] | 108 | les di, [bp+DIALOG.fpDialogIO]
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| 109 | call .GetWidthBasedOnParentMenuToAL
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| 110 | mov [bp+MENUINIT.bWidth], al
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| 111 |
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| 112 | lds si, [es:di+DIALOG_INPUT.fszTitle]
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| [52] | 113 | call ItemLineSplitter_GetLinesToAXforStringInDSSI
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| [41] | 114 | mov [bp+MENUINIT.bTitleLines], al
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| 115 |
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| 116 | lds si, [es:di+DIALOG_INPUT.fszItems]
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| [52] | 117 | call ItemLineSplitter_GetLinesToAXforStringInDSSI
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| [41] | 118 | mov [bp+MENUINIT.wItems], ax
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| 119 |
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| 120 | lds si, [es:di+DIALOG_INPUT.fszInfo]
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| [52] | 121 | call ItemLineSplitter_GetLinesToAXforStringInDSSI
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| [41] | 122 | mov [bp+MENUINIT.bInfoLines], al
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| 123 |
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| 124 | call .GetHeightToAH ; Line counts are required
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| 125 | mov [bp+MENUINIT.bHeight], ah
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| 126 | stc
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| 127 | ret
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| 128 |
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| [181] | 129 |
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| [41] | 130 | ;--------------------------------------------------------------------
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| 131 | ; .GetWidthBasedOnParentMenuToAL
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| 132 | ; Parameters:
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| 133 | ; SS:BP: Ptr to DIALOG
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| 134 | ; Returns:
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| 135 | ; AX: Width for dialog
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| 136 | ; Corrupts registers:
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| 137 | ; BX
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| 138 | ;--------------------------------------------------------------------
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| 139 | ALIGN JUMP_ALIGN
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| 140 | .GetWidthBasedOnParentMenuToAL:
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| 141 | mov bx, [bp+DIALOG.pParentMenu]
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| 142 | mov al, [ss:bx+MENUINIT.bWidth]
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| 143 | sub al, DIALOG_DELTA_WIDTH_FROM_PARENT
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| [181] | 144 | cmp al, DIALOG_MAX_WIDTH
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| 145 | jb .ALlessThanDIALOG_MAX_WIDTH
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| 146 | mov al, DIALOG_MAX_WIDTH
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| 147 | ALIGN JUMP_ALIGN, ret
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| 148 | .ALlessThanDIALOG_MAX_WIDTH:
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| [41] | 149 | ret
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| 150 |
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| [181] | 151 |
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| [41] | 152 | ;--------------------------------------------------------------------
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| 153 | ; .GetHeightToAH
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| 154 | ; Parameters:
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| 155 | ; SS:BP: Ptr to DIALOG
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| 156 | ; Returns:
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| 157 | ; AH: Height for dialog
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| 158 | ; Corrupts registers:
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| 159 | ; AL, BX, DI
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| 160 | ;--------------------------------------------------------------------
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| 161 | ALIGN JUMP_ALIGN
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| 162 | .GetHeightToAH:
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| 163 | CALL_DISPLAY_LIBRARY GetColumnsToALandRowsToAH
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| 164 | xchg bx, ax
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| 165 | mov ah, [bp+MENUINIT.bTitleLines]
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| 166 | add ah, [bp+MENUINIT.wItems]
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| 167 | add ah, [bp+MENUINIT.bInfoLines]
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| 168 | add ah, BYTE MENU_VERTICAL_BORDER_LINES
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| [181] | 169 | cmp ah, bh
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| 170 | jb .AHlessThanBH
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| 171 | xchg bx, ax
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| 172 | ALIGN JUMP_ALIGN
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| 173 | .AHlessThanBH:
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| 174 | cmp ah, DIALOG_MAX_HEIGHT
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| 175 | jb .AHlessThanDIALOG_MAX_HEIGHT
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| 176 | mov ah, DIALOG_MAX_HEIGHT
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| 177 | ALIGN JUMP_ALIGN, ret
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| 178 | .AHlessThanDIALOG_MAX_HEIGHT:
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| [41] | 179 | ret
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| 180 |
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| 181 |
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| 182 | ;--------------------------------------------------------------------
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| 183 | ; Dialog_EventRefreshTitle
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| 184 | ; Dialog_EventRefreshInformation
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| 185 | ; Parameters:
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| 186 | ; SS:BP: Ptr to DIALOG
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| 187 | ; Returns:
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| 188 | ; CF: Set since event processed
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| 189 | ;--------------------------------------------------------------------
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| 190 | ALIGN JUMP_ALIGN
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| 191 | Dialog_EventRefreshTitle:
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| 192 | lds si, [bp+DIALOG.fpDialogIO]
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| [52] | 193 | lds si, [si+DIALOG_INPUT.fszTitle]
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| 194 | jmp SHORT PrintTitleOrInfoLine
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| [41] | 195 |
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| 196 | ALIGN JUMP_ALIGN
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| 197 | Dialog_EventRefreshInformation:
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| 198 | lds si, [bp+DIALOG.fpDialogIO]
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| [52] | 199 | lds si, [si+DIALOG_INPUT.fszInfo]
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| 200 | ; Fall to PrintTitleOrInfoLine
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| [41] | 201 |
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| 202 | ALIGN JUMP_ALIGN
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| [52] | 203 | PrintTitleOrInfoLine:
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| 204 | mov bx, ds
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| 205 | CALL_DISPLAY_LIBRARY PrintNullTerminatedStringFromBXSI
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| [41] | 206 | stc
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| 207 | ret
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| 208 |
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| 209 |
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| 210 | ;--------------------------------------------------------------------
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| 211 | ; Dialog_EventRefreshItemFromCX
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| 212 | ; Parameters:
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| 213 | ; CX: Item to refresh
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| 214 | ; SS:BP: Ptr to DIALOG
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| 215 | ; Returns:
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| 216 | ; CF: Set since event processed
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| 217 | ;--------------------------------------------------------------------
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| 218 | ALIGN JUMP_ALIGN
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| 219 | Dialog_EventRefreshItemFromCX:
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| 220 | lds si, [bp+DIALOG.fpDialogIO]
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| [52] | 221 | lds si, [si+DIALOG_INPUT.fszItems]
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| 222 | call ItemLineSplitter_GetLineToDSSIandLengthToCXfromStringInDSSIwithIndexInCX
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| 223 | jnc SHORT .LineNotFound
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| 224 |
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| 225 | mov bx, ds
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| 226 | CALL_DISPLAY_LIBRARY PrintCharBufferFromBXSIwithLengthInCX
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| 227 | .LineNotFound:
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| [41] | 228 | stc
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| 229 | ret
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| 230 |
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| 231 |
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| 232 | ;--------------------------------------------------------------------
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| 233 | ; Dialog_RemoveFromScreenByRedrawingParentMenu
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| 234 | ; Parameters:
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| 235 | ; SS:BP: Ptr to DIALOG
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| 236 | ; Returns:
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| 237 | ; Nothing
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| 238 | ; Corrupts:
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| 239 | ; AX, BX, CX, DX, SI, DI
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| 240 | ;--------------------------------------------------------------------
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| 241 | ALIGN JUMP_ALIGN
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| 242 | Dialog_RemoveFromScreenByRedrawingParentMenu:
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| 243 | mov si, [bp+DIALOG.pParentMenu] ; SS:SI points to parent MENU
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| 244 | call .GetParentTitleBorderCoordinatesToDX
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| 245 | call MenuLocation_GetTitleBordersTopLeftCoordinatesToAX
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| 246 | cmp ah, dh ; Dialog taller than parent?
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| [162] | 247 | jnb SHORT .RedrawWholeParentWindow
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| 248 | ; Fall to .RedrawDialogAreaAndWholeParentWindow
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| [41] | 249 |
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| 250 | ;--------------------------------------------------------------------
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| 251 | ; .RedrawDialogAreaAndWholeParentWindow
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| 252 | ; .RedrawWholeParentWindow
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| 253 | ; Parameters:
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| 254 | ; SS:SI: Ptr to parent MENU
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| 255 | ; SS:BP: Ptr to DIALOG
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| 256 | ; Returns:
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| 257 | ; Nothing
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| 258 | ; Corrupts:
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| 259 | ; AX, BX, CX, DX, SI, DI
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| 260 | ;--------------------------------------------------------------------
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| 261 | .RedrawDialogAreaAndWholeParentWindow:
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| [48] | 262 | push si
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| 263 | call MenuBorders_AdjustDisplayContextForDrawingBorders
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| 264 | pop si
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| [44] | 265 | mov al, SCREEN_BACKGROUND_ATTRIBUTE
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| [41] | 266 | CALL_DISPLAY_LIBRARY SetCharacterAttributeFromAL
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| 267 | mov ax, [bp+MENUINIT.wWidthAndHeight]
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| 268 | CALL_DISPLAY_LIBRARY ClearAreaWithHeightInAHandWidthInAL
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| 269 | ; Fall to .RedrawWholeParentWindow
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| 270 |
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| 271 | ALIGN JUMP_ALIGN
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| 272 | .RedrawWholeParentWindow:
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| 273 | push bp
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| 274 | mov bp, si
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| 275 | call MenuInit_RefreshMenuWindow
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| 276 | pop bp
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| 277 | ret
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| [162] | 278 |
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| 279 | ;--------------------------------------------------------------------
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| 280 | ; .GetParentTitleBorderCoordinatesToDX
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| 281 | ; Parameters:
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| 282 | ; SS:SI: Ptr to parent MENU
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| 283 | ; SS:BP: Ptr to DIALOG
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| 284 | ; Returns:
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| 285 | ; DL: Parent border column (X)
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| 286 | ; DH: Parent border row (Y)
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| 287 | ; Corrupts:
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| 288 | ; AX
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| 289 | ;--------------------------------------------------------------------
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| 290 | ALIGN JUMP_ALIGN
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| 291 | .GetParentTitleBorderCoordinatesToDX:
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| 292 | xchg si, bp
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| 293 | call MenuLocation_GetTitleBordersTopLeftCoordinatesToAX
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| 294 | xchg bp, si
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| 295 | xchg dx, ax
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| 296 | ret
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