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source: xtideuniversalbios/trunk/Assembly_Library/Src/Menu/MenuText.asm @ 376

Last change on this file since 376 was 376, checked in by gregli@…, 12 years ago
WIDE checkin... Added copyright and license information to sorce files, as per the GPL instructions for usage.
File size: 8.5 KB

Rev	Line
[41]	1	; Project name : Assembly Library
	2	; Description : Functions for drawing menu texts by the user.
	3
[376]	4	;
	5	; XTIDE Universal BIOS and Associated Tools
	6	; Copyright (C) 2009-2010 by Tomi Tilli, 2011-2012 by XTIDE Universal BIOS Team.
	7	;
	8	; This program is free software; you can redistribute it and/or modify
	9	; it under the terms of the GNU General Public License as published by
	10	; the Free Software Foundation; either version 2 of the License, or
	11	; (at your option) any later version.
	12	;
	13	; This program is distributed in the hope that it will be useful,
	14	; but WITHOUT ANY WARRANTY; without even the implied warranty of
	15	; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	16	; GNU General Public License for more details.
	17	; Visit http://www.gnu.org/licenses/old-licenses/gpl-2.0.html
	18	;
	19
	20
[41]	21	; Section containing code
	22	SECTION .text
	23
	24	;--------------------------------------------------------------------
[48]	25	; MenuText_ClearTitleArea
	26	; MenuText_ClearInformationArea
	27	; Parameters
	28	; SS:BP: Ptr to MENU
	29	; Returns:
	30	; Nothing
	31	; Corrupts registers:
	32	; AX, BX, CX, DX, SI, DI
	33	;--------------------------------------------------------------------
[194]	34	%ifndef EXCLUDE_FROM_XTIDE_UNIVERSAL_BIOS
[369]	35	ALIGN MENU_JUMP_ALIGN
[48]	36	MenuText_ClearTitleArea:
[125]	37	CALL_DISPLAY_LIBRARY PushDisplayContext ; Save cursor coordinates
[48]	38	call PrepareToDrawTitleArea
	39	mov cl, [bp+MENUINIT.bTitleLines]
[194]	40	jmp SHORT MenuText_ClearInformationArea.ClearCLlinesOfText
	41	%endif
	42
[369]	43	ALIGN MENU_JUMP_ALIGN
[48]	44	MenuText_ClearInformationArea:
[125]	45	CALL_DISPLAY_LIBRARY PushDisplayContext ; Save cursor coordinates
[54]	46	call MenuText_PrepareToDrawInformationArea
[48]	47	mov cl, [bp+MENUINIT.bInfoLines]
[194]	48	.ClearCLlinesOfText:
[48]	49	mov al, [bp+MENUINIT.bWidth]
[54]	50	sub al, MENU_HORIZONTAL_BORDER_LINES+(MENU_TEXT_COLUMN_OFFSET/2)
[48]	51	mul cl
	52	xchg cx, ax
	53	mov al, ' '
	54	CALL_DISPLAY_LIBRARY PrintRepeatedCharacterFromALwithCountInCX
[125]	55	CALL_DISPLAY_LIBRARY PopDisplayContext
[48]	56	ret
	57
	58
	59	;--------------------------------------------------------------------
[41]	60	; MenuText_RefreshTitle
	61	; MenuText_RefreshInformation
	62	; Parameters
	63	; SS:BP: Ptr to MENU
	64	; Returns:
	65	; Nothing
	66	; Corrupts registers:
[48]	67	; AX, BX, CX, DX, SI, DI
[41]	68	;--------------------------------------------------------------------
[369]	69	ALIGN MENU_JUMP_ALIGN
[41]	70	MenuText_RefreshTitle:
	71	cmp BYTE [bp+MENUINIT.bTitleLines], 0
	72	jz SHORT NothingToRefresh
[48]	73	call PrepareToDrawTitleArea
[41]	74	jmp MenuEvent_RefreshTitle
	75
[369]	76	ALIGN MENU_JUMP_ALIGN
[41]	77	MenuText_RefreshInformation:
	78	cmp BYTE [bp+MENUINIT.bInfoLines], 0
	79	jz SHORT NothingToRefresh
[54]	80	call MenuText_PrepareToDrawInformationArea
[48]	81	jmp MenuEvent_RefreshInformation
[41]	82
[48]	83	;--------------------------------------------------------------------
	84	; PrepareToDrawTitleArea
	85	; PrepareToDrawInformationArea
	86	; Parameters
	87	; SS:BP: Ptr to MENU
	88	; Returns:
	89	; Nothing
	90	; Corrupts registers:
	91	; AX, BX, DX, SI, DI
	92	;--------------------------------------------------------------------
[369]	93	ALIGN MENU_JUMP_ALIGN
[48]	94	PrepareToDrawTitleArea:
	95	mov si, ATTRIBUTE_CHARS.cTitle
	96	call MenuLocation_GetTitleTextTopLeftCoordinatesToAX
[52]	97	jmp SHORT FinishPreparationsToDrawTitleOrInformationArea
[48]	98
[369]	99	ALIGN MENU_JUMP_ALIGN
[54]	100	MenuText_PrepareToDrawInformationArea:
[41]	101	mov si, ATTRIBUTE_CHARS.cInformation
	102	call MenuLocation_GetInformationTextTopLeftCoordinatesToAX
[52]	103	FinishPreparationsToDrawTitleOrInformationArea:
	104	mov dx, MenuCharOut_MenuTeletypeOutputWithAutomaticLineChange
	105	jmp SHORT AdjustDisplayContextForDrawingTextsAtCoordsInAXwithAttrTypeInSIandCharOutFunctionInDX
[41]	106
	107
	108	;--------------------------------------------------------------------
	109	; MenuText_RefreshAllItems
	110	; Parameters
	111	; SS:BP: Ptr to MENU
	112	; Returns:
	113	; Nothing
	114	; Corrupts registers:
	115	; AX, BX, DX, SI, DI
	116	;--------------------------------------------------------------------
[369]	117	ALIGN MENU_JUMP_ALIGN
[41]	118	MenuText_RefreshAllItems:
	119	push cx
	120
	121	call MenuScrollbars_GetActualVisibleItemsOnPageToCX
	122	mov ax, [bp+MENU.wFirstVisibleItem]
[369]	123	ALIGN MENU_JUMP_ALIGN
[41]	124	.ItemRefreshLoop:
	125	call MenuText_RefreshItemFromAX
	126	inc ax
	127	loop .ItemRefreshLoop
	128
	129	pop cx
	130	NothingToRefresh:
	131	ret
	132
	133	;--------------------------------------------------------------------
	134	; MenuText_RefreshItemFromAX
	135	; Parameters
	136	; AX: Item to refresh
	137	; SS:BP: Ptr to MENU
	138	; Returns:
	139	; Nothing
	140	; Corrupts registers:
	141	; BX, DX, SI, DI
	142	;--------------------------------------------------------------------
[369]	143	ALIGN MENU_JUMP_ALIGN
[41]	144	MenuText_RefreshItemFromAX:
	145	push cx
[67]	146	push ax
[41]	147
[67]	148	xchg cx, ax
[41]	149	call MenuScrollbars_IsItemInCXonVisiblePage
	150	jnc SHORT .InvalidItem
[52]	151	call MenuText_AdjustDisplayContextForDrawingItemFromCX
[67]	152	call ClearPreviousItem
[41]	153	call MenuEvent_RefreshItemFromCX
[67]	154	call DrawScrollbarCharacterForItemInCXifNecessary
[41]	155	.InvalidItem:
[67]	156	pop ax
[41]	157	pop cx
	158	ret
	159
	160	;--------------------------------------------------------------------
[52]	161	; MenuText_AdjustDisplayContextForDrawingItemFromCX
[41]	162	; Parameters
[52]	163	; CX: Item to refresh
[41]	164	; SS:BP: Ptr to MENU
	165	; Returns:
[52]	166	; Nothing
[41]	167	; Corrupts registers:
[52]	168	; AX, BX, DX, SI, DI
[41]	169	;--------------------------------------------------------------------
[369]	170	ALIGN MENU_JUMP_ALIGN
[52]	171	MenuText_AdjustDisplayContextForDrawingItemFromCX:
	172	mov ax, cx
	173	call GetItemTextAttributeTypeToSIforItemInCX
[41]	174	call MenuLocation_GetTextCoordinatesToAXforItemInAX
[52]	175	mov dx, MenuCharOut_MenuTeletypeOutput
[133]	176	; Fall to AdjustDisplayContextForDrawingTextsAtCoordsInAXwithAttrTypeInSIandCharOutFunctionInDX
[52]	177
	178	;--------------------------------------------------------------------
	179	; AdjustDisplayContextForDrawingTextsAtCoordsInAXwithAttrTypeInSIandCharOutFunctionInDX
	180	; Parameters
	181	; AX: Cursor coordinates to set
	182	; DX: Character output function
	183	; SI: Attribute type (from ATTRIBUTE_CHARS)
	184	; SS:BP: Ptr to MENU
	185	; Returns:
	186	; Nothing
	187	; Corrupts registers:
	188	; AX, BX, DX, SI, DI
	189	;--------------------------------------------------------------------
[369]	190	ALIGN MENU_JUMP_ALIGN
[52]	191	AdjustDisplayContextForDrawingTextsAtCoordsInAXwithAttrTypeInSIandCharOutFunctionInDX:
[41]	192	CALL_DISPLAY_LIBRARY SetCursorCoordinatesFromAX
	193
[52]	194	xchg ax, dx
	195	mov bl, ATTRIBUTES_ARE_USED
	196	CALL_DISPLAY_LIBRARY SetCharOutputFunctionFromAXwithAttribFlagInBL
	197
	198	call CharOutLineSplitter_PrepareForPrintingTextLines
	199	jmp MenuAttribute_SetToDisplayContextFromTypeInSI
	200
	201
[41]	202	;--------------------------------------------------------------------
[67]	203	; ClearPreviousItem
	204	; Parameters
	205	; SS:BP: Ptr to MENU
	206	; Returns:
	207	; Nothing
	208	; Corrupts registers:
	209	; AX, BX, DX, DI
	210	;--------------------------------------------------------------------
[369]	211	ALIGN MENU_JUMP_ALIGN
[67]	212	ClearPreviousItem:
	213	CALL_DISPLAY_LIBRARY GetSoftwareCoordinatesToAX
	214	xchg bx, ax
	215
	216	call MenuBorders_GetNumberOfMiddleCharactersToDX
	217	sub dx, BYTE MENU_TEXT_COLUMN_OFFSET
	218	mov al, [cs:g_rgbTextBorderCharacters+BORDER_CHARS.cMiddle]
	219	call MenuBorders_PrintMultipleBorderCharactersFromAL
	220
	221	xchg ax, bx
	222	CALL_DISPLAY_LIBRARY SetCursorCoordinatesFromAX
	223	ret
	224
	225
	226	;--------------------------------------------------------------------
[52]	227	; GetItemTextAttributeTypeToSIforItemInCX
[41]	228	; Parameters
	229	; CX: Item to refresh
	230	; SS:BP: Ptr to MENU
	231	; Returns:
	232	; SI: Text attribute type (ATTRIBUTE_CHARS)
	233	; Corrupts registers:
	234	; Nothing
	235	;--------------------------------------------------------------------
[369]	236	ALIGN MENU_JUMP_ALIGN
[52]	237	GetItemTextAttributeTypeToSIforItemInCX:
[41]	238	mov si, ATTRIBUTE_CHARS.cItem
	239	test BYTE [bp+MENU.bFlags], FLG_MENU_NOHIGHLIGHT
	240	jnz SHORT .ReturnAttributeTypeInSI
[52]	241
	242	cmp cx, [bp+MENUINIT.wHighlightedItem]
[41]	243	jne SHORT .ReturnAttributeTypeInSI
	244	sub si, BYTE ATTRIBUTE_CHARS.cItem - ATTRIBUTE_CHARS.cHighlightedItem
[369]	245	ALIGN MENU_JUMP_ALIGN, ret
[41]	246	.ReturnAttributeTypeInSI:
	247	ret
	248
	249
	250	;--------------------------------------------------------------------
[67]	251	; DrawScrollbarCharacterForItemInCXifNecessary
[41]	252	; Parameters
	253	; CX: Item to refresh
	254	; SS:BP: Ptr to MENU
	255	; Returns:
	256	; Nothing
	257	; Corrupts registers:
[67]	258	; AX, CX, BX, DX, SI, DI
[41]	259	;--------------------------------------------------------------------
[369]	260	ALIGN MENU_JUMP_ALIGN
[67]	261	DrawScrollbarCharacterForItemInCXifNecessary:
[41]	262	call MenuScrollbars_AreScrollbarsNeeded
	263	jc SHORT .DrawScrollbarCharacter
	264	ret
	265
[369]	266	ALIGN MENU_JUMP_ALIGN
[41]	267	.DrawScrollbarCharacter:
[48]	268	call MenuBorders_AdjustDisplayContextForDrawingBorders
[41]	269	mov ax, cx
[104]	270
	271	call MenuLocation_GetTextCoordinatesToAXforItemInAX
	272	add al, [bp+MENUINIT.bWidth]
	273	sub al, MENU_TEXT_COLUMN_OFFSET*2
[41]	274	CALL_DISPLAY_LIBRARY SetCursorCoordinatesFromAX
	275
	276	mov di, cx
	277	sub di, [bp+MENU.wFirstVisibleItem] ; Item to line
	278	call MenuScrollbars_GetScrollCharacterToALForLineInDI
[67]	279	jmp MenuBorders_PrintSingleBorderCharacterFromAL

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