| 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 | ;
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| 5 | ; XTIDE Universal BIOS and Associated Tools
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| 6 | ; Copyright (C) 2009-2010 by Tomi Tilli, 2011-2013 by XTIDE Universal BIOS Team.
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| 7 | ;
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| 8 | ; This program is free software; you can redistribute it and/or modify
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| 9 | ; it under the terms of the GNU General Public License as published by
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| 10 | ; the Free Software Foundation; either version 2 of the License, or
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| 11 | ; (at your option) any later version.
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| 12 | ;
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| 13 | ; This program is distributed in the hope that it will be useful,
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| 14 | ; but WITHOUT ANY WARRANTY; without even the implied warranty of
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| 15 | ; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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| 16 | ; GNU General Public License for more details.
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| 17 | ; Visit http://www.gnu.org/licenses/old-licenses/gpl-2.0.html
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| 18 | ;
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| 19 |
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| 20 |
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| 21 | ; Section containing code
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| 22 | SECTION .text
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| 23 |
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| 24 | ;--------------------------------------------------------------------
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| 25 | ; Dialog_DisplayWithDialogInputInDSSIandHandlerInBX
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| 26 | ; Parameters:
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| 27 | ; BX: Offset to menu event handler
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| 28 | ; DX:AX: Optional user data
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| 29 | ; DS:SI: Ptr to DIALOG_INPUT
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| 30 | ; SS:BP: Ptr to parent MENU
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| 31 | ; Returns:
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| 32 | ; AX: Selected item
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| 33 | ; Corrupts registers:
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| 34 | ; BX, CX, DX, SI, DI
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| 35 | ;--------------------------------------------------------------------
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| 36 | ALIGN JUMP_ALIGN
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| 37 | Dialog_DisplayWithDialogInputInDSSIandHandlerInBX:
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| 38 | push es
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| 39 | push ds
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| 40 | mov di, bp ; Backup parent MENU
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| 41 | mov cx, DIALOG_size
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| 42 | eENTER_STRUCT cx
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| 43 |
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| 44 | call Memory_ZeroSSBPwithSizeInCX
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| 45 | mov [bp+DIALOG.fpDialogIO], si
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| 46 | mov [bp+DIALOG.fpDialogIO+2], ds
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| 47 | mov [bp+DIALOG.pParentMenu], di
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| 48 |
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| 49 | call MenuInit_EnterMenuWithHandlerInBXandUserDataInDXAX
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| 50 | call Dialog_RemoveFromScreenByRedrawingParentMenu
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| 51 | call Keyboard_RemoveAllKeystrokesFromBuffer
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| 52 |
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| 53 | mov ax, [bp+MENUINIT.wHighlightedItem]
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| 54 | eLEAVE_STRUCT DIALOG_size
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| 55 | pop ds
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| 56 | pop es
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| 57 | ret
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| 58 |
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| 59 |
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| 60 | ;--------------------------------------------------------------------
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| 61 | ; Dialog_EventNotHandled
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| 62 | ; Parameters:
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| 63 | ; BX: Menu event (anything from MENUEVENT struct)
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| 64 | ; SS:BP: Ptr to DIALOG
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| 65 | ; Returns:
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| 66 | ; CF: Cleared since event not processed
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| 67 | ; Corrupts registers:
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| 68 | ; Nothing
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| 69 | ;--------------------------------------------------------------------
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| 70 | ALIGN JUMP_ALIGN
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| 71 | Dialog_EventNotHandled:
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| 72 | clc
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| 73 | ret
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| 74 |
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| 75 |
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| 76 | ;--------------------------------------------------------------------
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| 77 | ; Dialog_EventAnyThatClosesDialog
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| 78 | ; Dialog_EventExitMenu
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| 79 | ; Parameters:
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| 80 | ; SS:BP: Ptr to DIALOG
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| 81 | ; Returns:
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| 82 | ; CF: Set since event processed
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| 83 | ; Corrupts registers:
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| 84 | ; Nothing
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| 85 | ;--------------------------------------------------------------------
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| 86 | ALIGN JUMP_ALIGN
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| 87 | Dialog_EventAnyThatClosesDialog:
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| 88 | call MenuInit_CloseMenuWindow
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| 89 | ALIGN JUMP_ALIGN
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| 90 | Dialog_EventExitMenu:
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| 91 | stc
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| 92 | ret
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| 93 |
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| 94 |
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| 95 | ;--------------------------------------------------------------------
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| 96 | ; Dialog_EventInitializeMenuinitFromDSSIforSingleItemWithHighlightedItemInAX
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| 97 | ; Parameters:
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| 98 | ; AX: Index of highlighted item
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| 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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| 106 | Dialog_EventInitializeMenuinitFromDSSIforSingleItemWithHighlightedItemInAX:
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| 107 | les di, [bp+DIALOG.fpDialogIO]
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| 108 | mov WORD [es:di+DIALOG_INPUT.fszItems], g_szSingleItem
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| 109 | mov [es:di+DIALOG_INPUT.fszItems+2], cs
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| 110 | ; Fall to Dialog_EventInitializeMenuinitFromDSSIwithHighlightedItemInAX
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| 111 |
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| 112 | ;--------------------------------------------------------------------
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| 113 | ; Dialog_EventInitializeMenuinitFromDSSIwithHighlightedItemInAX
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| 114 | ; Parameters:
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| 115 | ; AX: Index of highlighted item
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| 116 | ; DS:SI: Ptr to MENUINIT struct to initialize
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| 117 | ; SS:BP: Ptr to DIALOG
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| 118 | ; Returns:
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| 119 | ; DS:SI: Ptr to initialized MENUINIT struct
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| 120 | ; CF: Set since event processed
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| 121 | ;--------------------------------------------------------------------
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| 122 | ALIGN JUMP_ALIGN
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| 123 | Dialog_EventInitializeMenuinitFromDSSIwithHighlightedItemInAX:
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| 124 | mov [bp+MENUINIT.wHighlightedItem], ax
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| 125 | les di, [bp+DIALOG.fpDialogIO]
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| 126 | call .GetWidthBasedOnParentMenuToAL
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| 127 | mov [bp+MENUINIT.bWidth], al
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| 128 |
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| 129 | lds si, [es:di+DIALOG_INPUT.fszTitle]
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| 130 | call ItemLineSplitter_GetLinesToAXforStringInDSSI
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| 131 | mov [bp+MENUINIT.bTitleLines], al
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| 132 |
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| 133 | lds si, [es:di+DIALOG_INPUT.fszItems]
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| 134 | call ItemLineSplitter_GetLinesToAXforStringInDSSI
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| 135 | mov [bp+MENUINIT.wItems], ax
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| 136 |
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| 137 | lds si, [es:di+DIALOG_INPUT.fszInfo]
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| 138 | call ItemLineSplitter_GetLinesToAXforStringInDSSI
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| 139 | mov [bp+MENUINIT.bInfoLines], al
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| 140 |
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| 141 | call .GetHeightToAH ; Line counts are required
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| 142 | mov [bp+MENUINIT.bHeight], ah
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| 143 | stc
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| 144 | ret
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| 145 |
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| 146 |
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| 147 | ;--------------------------------------------------------------------
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| 148 | ; .GetWidthBasedOnParentMenuToAL
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| 149 | ; Parameters:
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| 150 | ; SS:BP: Ptr to DIALOG
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| 151 | ; Returns:
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| 152 | ; AX: Width for dialog
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| 153 | ; Corrupts registers:
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| 154 | ; BX
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| 155 | ;--------------------------------------------------------------------
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| 156 | ALIGN JUMP_ALIGN
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| 157 | .GetWidthBasedOnParentMenuToAL:
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| 158 | mov bx, [bp+DIALOG.pParentMenu]
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| 159 | mov al, [ss:bx+MENUINIT.bWidth]
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| 160 | sub al, DIALOG_DELTA_WIDTH_FROM_PARENT
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| 161 | cmp al, DIALOG_MAX_WIDTH
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| 162 | jb .ALlessThanDIALOG_MAX_WIDTH
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| 163 | mov al, DIALOG_MAX_WIDTH
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| 164 | ALIGN JUMP_ALIGN, ret
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| 165 | .ALlessThanDIALOG_MAX_WIDTH:
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| 166 | ret
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| 167 |
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| 168 |
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| 169 | ;--------------------------------------------------------------------
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| 170 | ; .GetHeightToAH
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| 171 | ; Parameters:
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| 172 | ; SS:BP: Ptr to DIALOG
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| 173 | ; Returns:
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| 174 | ; AH: Height for dialog
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| 175 | ; Corrupts registers:
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| 176 | ; AL, BX, DI
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| 177 | ;--------------------------------------------------------------------
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| 178 | ALIGN JUMP_ALIGN
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| 179 | .GetHeightToAH:
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| 180 | CALL_DISPLAY_LIBRARY GetColumnsToALandRowsToAH
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| 181 | xchg bx, ax
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| 182 | mov ah, [bp+MENUINIT.bTitleLines]
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| 183 | add ah, [bp+MENUINIT.wItems]
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| 184 | add ah, [bp+MENUINIT.bInfoLines]
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| 185 | add ah, BYTE MENU_VERTICAL_BORDER_LINES
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| 186 | cmp ah, bh
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| 187 | jb .AHlessThanBH
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| 188 | xchg bx, ax
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| 189 | ALIGN JUMP_ALIGN
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| 190 | .AHlessThanBH:
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| 191 | cmp ah, DIALOG_MAX_HEIGHT
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| 192 | jb .AHlessThanDIALOG_MAX_HEIGHT
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| 193 | mov ah, DIALOG_MAX_HEIGHT
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| 194 | ALIGN JUMP_ALIGN, ret
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| 195 | .AHlessThanDIALOG_MAX_HEIGHT:
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| 196 | ret
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| 197 |
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| 198 |
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| 199 | ;--------------------------------------------------------------------
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| 200 | ; Dialog_EventRefreshTitle
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| 201 | ; Dialog_EventRefreshInformation
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| 202 | ; Parameters:
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| 203 | ; SS:BP: Ptr to DIALOG
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| 204 | ; Returns:
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| 205 | ; CF: Set since event processed
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| 206 | ;--------------------------------------------------------------------
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| 207 | ALIGN JUMP_ALIGN
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| 208 | Dialog_EventRefreshTitle:
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| 209 | lds si, [bp+DIALOG.fpDialogIO]
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| 210 | lds si, [si+DIALOG_INPUT.fszTitle]
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| 211 | jmp SHORT PrintTitleOrInfoLine
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| 212 |
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| 213 | ALIGN JUMP_ALIGN
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| 214 | Dialog_EventRefreshInformation:
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| 215 | lds si, [bp+DIALOG.fpDialogIO]
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| 216 | lds si, [si+DIALOG_INPUT.fszInfo]
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| 217 | ; Fall to PrintTitleOrInfoLine
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| 218 |
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| 219 | ALIGN JUMP_ALIGN
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| 220 | PrintTitleOrInfoLine:
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| 221 | mov bx, ds
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| 222 | CALL_DISPLAY_LIBRARY PrintNullTerminatedStringFromBXSI
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| 223 | stc
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| 224 | ret
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| 225 |
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| 226 |
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| 227 | ;--------------------------------------------------------------------
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| 228 | ; Dialog_EventRefreshItemFromCX
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| 229 | ; Parameters:
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| 230 | ; CX: Item to refresh
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| 231 | ; SS:BP: Ptr to DIALOG
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| 232 | ; Returns:
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| 233 | ; CF: Set since event processed
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| 234 | ;--------------------------------------------------------------------
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| 235 | ALIGN JUMP_ALIGN
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| 236 | Dialog_EventRefreshItemFromCX:
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| 237 | lds si, [bp+DIALOG.fpDialogIO]
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| 238 | lds si, [si+DIALOG_INPUT.fszItems]
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| 239 | call ItemLineSplitter_GetLineToDSSIandLengthToCXfromStringInDSSIwithIndexInCX
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| 240 | jnc SHORT .LineNotFound
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| 241 |
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| 242 | mov bx, ds
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| 243 | CALL_DISPLAY_LIBRARY PrintCharBufferFromBXSIwithLengthInCX
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| 244 | .LineNotFound:
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| 245 | stc
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| 246 | ret
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| 247 |
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| 248 |
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| 249 | ;--------------------------------------------------------------------
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| 250 | ; Dialog_RemoveFromScreenByRedrawingParentMenu
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| 251 | ; Parameters:
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| 252 | ; SS:BP: Ptr to DIALOG
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| 253 | ; Returns:
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| 254 | ; Nothing
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| 255 | ; Corrupts:
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| 256 | ; AX, BX, CX, DX, SI, DI
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| 257 | ;--------------------------------------------------------------------
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| 258 | ALIGN JUMP_ALIGN
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| 259 | Dialog_RemoveFromScreenByRedrawingParentMenu:
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| 260 | mov si, [bp+DIALOG.pParentMenu] ; SS:SI points to parent MENU
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| 261 | call .GetParentTitleBorderCoordinatesToDX
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| 262 | call MenuLocation_GetTitleBordersTopLeftCoordinatesToAX
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| 263 | cmp ah, dh ; Dialog taller than parent?
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| 264 | jnb SHORT .RedrawWholeParentWindow
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| 265 | ; Fall to .RedrawDialogAreaAndWholeParentWindow
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| 266 |
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| 267 | ;--------------------------------------------------------------------
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| 268 | ; .RedrawDialogAreaAndWholeParentWindow
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| 269 | ; .RedrawWholeParentWindow
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| 270 | ; Parameters:
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| 271 | ; SS:SI: Ptr to parent MENU
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| 272 | ; SS:BP: Ptr to DIALOG
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| 273 | ; Returns:
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| 274 | ; Nothing
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| 275 | ; Corrupts:
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| 276 | ; AX, BX, CX, DX, SI, DI
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| 277 | ;--------------------------------------------------------------------
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| 278 | .RedrawDialogAreaAndWholeParentWindow:
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| 279 | push si
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| 280 | call MenuBorders_AdjustDisplayContextForDrawingBorders
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| 281 | pop si
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| 282 | mov al, SCREEN_BACKGROUND_ATTRIBUTE
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| 283 | CALL_DISPLAY_LIBRARY SetCharacterAttributeFromAL
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| 284 | mov ax, [bp+MENUINIT.wWidthAndHeight]
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| 285 | CALL_DISPLAY_LIBRARY ClearAreaWithHeightInAHandWidthInAL
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| 286 | ; Fall to .RedrawWholeParentWindow
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| 287 |
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| 288 | ALIGN JUMP_ALIGN
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| 289 | .RedrawWholeParentWindow:
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| 290 | push bp
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| 291 | mov bp, si
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| 292 | call MenuInit_RefreshMenuWindow
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| 293 | pop bp
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| 294 | ret
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| 295 |
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| 296 | ;--------------------------------------------------------------------
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| 297 | ; .GetParentTitleBorderCoordinatesToDX
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| 298 | ; Parameters:
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| 299 | ; SS:SI: Ptr to parent MENU
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| 300 | ; SS:BP: Ptr to DIALOG
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| 301 | ; Returns:
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| 302 | ; DL: Parent border column (X)
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| 303 | ; DH: Parent border row (Y)
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| 304 | ; Corrupts:
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| 305 | ; AX
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| 306 | ;--------------------------------------------------------------------
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| 307 | ALIGN JUMP_ALIGN
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| 308 | .GetParentTitleBorderCoordinatesToDX:
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| 309 | xchg si, bp
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| 310 | call MenuLocation_GetTitleBordersTopLeftCoordinatesToAX
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| 311 | xchg bp, si
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| 312 | xchg dx, ax
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| 313 | ret
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