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source: xtideuniversalbios/trunk/Assembly_Library/Src/Menu/MenuText.asm@ 585

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Last change on this file since 585 was 583, checked in by krille_n_@…, 10 years ago

Changes:

Changed BOOT_MENU_DEFAULT_TIMEOUT to reduce rounding error.
Minor optimizations and fixes, mostly to the menu library code.

File size: 8.4 KB

Rev	Line
[41]	1	; Project name : Assembly Library
	2	; Description : Functions for drawing menu texts by the user.
	3
[376]	4	;
[505]	5	; XTIDE Universal BIOS and Associated Tools
[526]	6	; Copyright (C) 2009-2010 by Tomi Tilli, 2011-2013 by XTIDE Universal BIOS Team.
[376]	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.
[505]	12	;
[376]	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
[505]	16	; GNU General Public License for more details.
[376]	17	; Visit http://www.gnu.org/licenses/old-licenses/gpl-2.0.html
	18	;
	19
[505]	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
[505]	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
[505]	55	JMP_DISPLAY_LIBRARY PopDisplayContext
[48]	56
	57
	58	;--------------------------------------------------------------------
[41]	59	; MenuText_RefreshTitle
	60	; MenuText_RefreshInformation
	61	; Parameters
	62	; SS:BP: Ptr to MENU
	63	; Returns:
	64	; Nothing
	65	; Corrupts registers:
[48]	66	; AX, BX, CX, DX, SI, DI
[41]	67	;--------------------------------------------------------------------
[369]	68	ALIGN MENU_JUMP_ALIGN
[41]	69	MenuText_RefreshTitle:
	70	cmp BYTE [bp+MENUINIT.bTitleLines], 0
	71	jz SHORT NothingToRefresh
[48]	72	call PrepareToDrawTitleArea
[41]	73	jmp MenuEvent_RefreshTitle
	74
[369]	75	ALIGN MENU_JUMP_ALIGN
[41]	76	MenuText_RefreshInformation:
	77	cmp BYTE [bp+MENUINIT.bInfoLines], 0
	78	jz SHORT NothingToRefresh
[54]	79	call MenuText_PrepareToDrawInformationArea
[48]	80	jmp MenuEvent_RefreshInformation
[41]	81
[48]	82	;--------------------------------------------------------------------
	83	; PrepareToDrawTitleArea
	84	; PrepareToDrawInformationArea
	85	; Parameters
	86	; SS:BP: Ptr to MENU
	87	; Returns:
	88	; Nothing
	89	; Corrupts registers:
	90	; AX, BX, DX, SI, DI
	91	;--------------------------------------------------------------------
[369]	92	ALIGN MENU_JUMP_ALIGN
[48]	93	PrepareToDrawTitleArea:
	94	mov si, ATTRIBUTE_CHARS.cTitle
	95	call MenuLocation_GetTitleTextTopLeftCoordinatesToAX
[52]	96	jmp SHORT FinishPreparationsToDrawTitleOrInformationArea
[48]	97
[369]	98	ALIGN MENU_JUMP_ALIGN
[54]	99	MenuText_PrepareToDrawInformationArea:
[41]	100	mov si, ATTRIBUTE_CHARS.cInformation
	101	call MenuLocation_GetInformationTextTopLeftCoordinatesToAX
[52]	102	FinishPreparationsToDrawTitleOrInformationArea:
	103	mov dx, MenuCharOut_MenuTeletypeOutputWithAutomaticLineChange
	104	jmp SHORT AdjustDisplayContextForDrawingTextsAtCoordsInAXwithAttrTypeInSIandCharOutFunctionInDX
[41]	105
	106
	107	;--------------------------------------------------------------------
	108	; MenuText_RefreshAllItems
	109	; Parameters
	110	; SS:BP: Ptr to MENU
	111	; Returns:
	112	; Nothing
	113	; Corrupts registers:
	114	; AX, BX, DX, SI, DI
	115	;--------------------------------------------------------------------
[369]	116	ALIGN MENU_JUMP_ALIGN
[41]	117	MenuText_RefreshAllItems:
	118	push cx
	119
	120	call MenuScrollbars_GetActualVisibleItemsOnPageToCX
	121	mov ax, [bp+MENU.wFirstVisibleItem]
[369]	122	ALIGN MENU_JUMP_ALIGN
[41]	123	.ItemRefreshLoop:
	124	call MenuText_RefreshItemFromAX
	125	inc ax
	126	loop .ItemRefreshLoop
	127
	128	pop cx
	129	NothingToRefresh:
	130	ret
	131
	132	;--------------------------------------------------------------------
	133	; MenuText_RefreshItemFromAX
	134	; Parameters
	135	; AX: Item to refresh
	136	; SS:BP: Ptr to MENU
	137	; Returns:
	138	; Nothing
	139	; Corrupts registers:
	140	; BX, DX, SI, DI
	141	;--------------------------------------------------------------------
[369]	142	ALIGN MENU_JUMP_ALIGN
[41]	143	MenuText_RefreshItemFromAX:
	144	push cx
[67]	145	push ax
[41]	146
[67]	147	xchg cx, ax
[41]	148	call MenuScrollbars_IsItemInCXonVisiblePage
	149	jnc SHORT .InvalidItem
[52]	150	call MenuText_AdjustDisplayContextForDrawingItemFromCX
[67]	151	call ClearPreviousItem
[41]	152	call MenuEvent_RefreshItemFromCX
[67]	153	call DrawScrollbarCharacterForItemInCXifNecessary
[41]	154	.InvalidItem:
[67]	155	pop ax
[41]	156	pop cx
	157	ret
	158
	159	;--------------------------------------------------------------------
[52]	160	; MenuText_AdjustDisplayContextForDrawingItemFromCX
[41]	161	; Parameters
[52]	162	; CX: Item to refresh
[41]	163	; SS:BP: Ptr to MENU
	164	; Returns:
[52]	165	; Nothing
[41]	166	; Corrupts registers:
[52]	167	; AX, BX, DX, SI, DI
[41]	168	;--------------------------------------------------------------------
[369]	169	ALIGN MENU_JUMP_ALIGN
[52]	170	MenuText_AdjustDisplayContextForDrawingItemFromCX:
	171	mov ax, cx
	172	call GetItemTextAttributeTypeToSIforItemInCX
[41]	173	call MenuLocation_GetTextCoordinatesToAXforItemInAX
[52]	174	mov dx, MenuCharOut_MenuTeletypeOutput
[133]	175	; Fall to AdjustDisplayContextForDrawingTextsAtCoordsInAXwithAttrTypeInSIandCharOutFunctionInDX
[52]	176
	177	;--------------------------------------------------------------------
	178	; AdjustDisplayContextForDrawingTextsAtCoordsInAXwithAttrTypeInSIandCharOutFunctionInDX
	179	; Parameters
	180	; AX: Cursor coordinates to set
	181	; DX: Character output function
	182	; SI: Attribute type (from ATTRIBUTE_CHARS)
	183	; SS:BP: Ptr to MENU
	184	; Returns:
	185	; Nothing
	186	; Corrupts registers:
	187	; AX, BX, DX, SI, DI
	188	;--------------------------------------------------------------------
[369]	189	ALIGN MENU_JUMP_ALIGN
[52]	190	AdjustDisplayContextForDrawingTextsAtCoordsInAXwithAttrTypeInSIandCharOutFunctionInDX:
[41]	191	CALL_DISPLAY_LIBRARY SetCursorCoordinatesFromAX
	192
[52]	193	xchg ax, dx
	194	mov bl, ATTRIBUTES_ARE_USED
	195	CALL_DISPLAY_LIBRARY SetCharOutputFunctionFromAXwithAttribFlagInBL
	196
	197	call CharOutLineSplitter_PrepareForPrintingTextLines
	198	jmp MenuAttribute_SetToDisplayContextFromTypeInSI
	199
	200
[41]	201	;--------------------------------------------------------------------
[67]	202	; ClearPreviousItem
	203	; Parameters
	204	; SS:BP: Ptr to MENU
	205	; Returns:
	206	; Nothing
	207	; Corrupts registers:
	208	; AX, BX, DX, DI
	209	;--------------------------------------------------------------------
[369]	210	ALIGN MENU_JUMP_ALIGN
[67]	211	ClearPreviousItem:
	212	CALL_DISPLAY_LIBRARY GetSoftwareCoordinatesToAX
	213	xchg bx, ax
	214
	215	call MenuBorders_GetNumberOfMiddleCharactersToDX
	216	sub dx, BYTE MENU_TEXT_COLUMN_OFFSET
	217	mov al, [cs:g_rgbTextBorderCharacters+BORDER_CHARS.cMiddle]
	218	call MenuBorders_PrintMultipleBorderCharactersFromAL
	219
	220	xchg ax, bx
[505]	221	JMP_DISPLAY_LIBRARY SetCursorCoordinatesFromAX
[67]	222
	223
	224	;--------------------------------------------------------------------
[52]	225	; GetItemTextAttributeTypeToSIforItemInCX
[41]	226	; Parameters
	227	; CX: Item to refresh
	228	; SS:BP: Ptr to MENU
	229	; Returns:
	230	; SI: Text attribute type (ATTRIBUTE_CHARS)
	231	; Corrupts registers:
	232	; Nothing
	233	;--------------------------------------------------------------------
[369]	234	ALIGN MENU_JUMP_ALIGN
[52]	235	GetItemTextAttributeTypeToSIforItemInCX:
[41]	236	mov si, ATTRIBUTE_CHARS.cItem
	237	test BYTE [bp+MENU.bFlags], FLG_MENU_NOHIGHLIGHT
	238	jnz SHORT .ReturnAttributeTypeInSI
[52]	239
	240	cmp cx, [bp+MENUINIT.wHighlightedItem]
[41]	241	jne SHORT .ReturnAttributeTypeInSI
[583]	242	inc si ; SI = ATTRIBUTE_CHARS.cHighlightedItem
[369]	243	ALIGN MENU_JUMP_ALIGN, ret
[41]	244	.ReturnAttributeTypeInSI:
	245	ret
	246
	247
	248	;--------------------------------------------------------------------
[67]	249	; DrawScrollbarCharacterForItemInCXifNecessary
[41]	250	; Parameters
	251	; CX: Item to refresh
	252	; SS:BP: Ptr to MENU
	253	; Returns:
	254	; Nothing
	255	; Corrupts registers:
[67]	256	; AX, CX, BX, DX, SI, DI
[41]	257	;--------------------------------------------------------------------
[369]	258	ALIGN MENU_JUMP_ALIGN
[67]	259	DrawScrollbarCharacterForItemInCXifNecessary:
[41]	260	call MenuScrollbars_AreScrollbarsNeeded
	261	jc SHORT .DrawScrollbarCharacter
	262	ret
	263
[369]	264	ALIGN MENU_JUMP_ALIGN
[41]	265	.DrawScrollbarCharacter:
[48]	266	call MenuBorders_AdjustDisplayContextForDrawingBorders
[41]	267	mov ax, cx
[104]	268
	269	call MenuLocation_GetTextCoordinatesToAXforItemInAX
	270	add al, [bp+MENUINIT.bWidth]
	271	sub al, MENU_TEXT_COLUMN_OFFSET*2
[41]	272	CALL_DISPLAY_LIBRARY SetCursorCoordinatesFromAX
	273
	274	mov di, cx
	275	sub di, [bp+MENU.wFirstVisibleItem] ; Item to line
	276	call MenuScrollbars_GetScrollCharacterToALForLineInDI
[67]	277	jmp MenuBorders_PrintSingleBorderCharacterFromAL

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