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source: xtideuniversalbios/trunk/Assembly_Library/Src/Menu/MenuText.asm @ 293

Last change on this file since 293 was 194, checked in by gregli@…, 13 years ago
ifdef'd out more unused code. Also added a tool for looking through the listing and the output of the precompiler to aid in finding dead code. Some changes in the files are to add annotations for the tool to avoid false positives.
File size: 7.7 KB

Rev	Line
[41]	1	; Project name : Assembly Library
	2	; Description : Functions for drawing menu texts by the user.
	3
	4	; Section containing code
	5	SECTION .text
	6
	7	;--------------------------------------------------------------------
[48]	8	; MenuText_ClearTitleArea
	9	; MenuText_ClearInformationArea
	10	; Parameters
	11	; SS:BP: Ptr to MENU
	12	; Returns:
	13	; Nothing
	14	; Corrupts registers:
	15	; AX, BX, CX, DX, SI, DI
	16	;--------------------------------------------------------------------
[194]	17	%ifndef EXCLUDE_FROM_XTIDE_UNIVERSAL_BIOS
[48]	18	ALIGN JUMP_ALIGN
	19	MenuText_ClearTitleArea:
[125]	20	CALL_DISPLAY_LIBRARY PushDisplayContext ; Save cursor coordinates
[48]	21	call PrepareToDrawTitleArea
	22	mov cl, [bp+MENUINIT.bTitleLines]
[194]	23	jmp SHORT MenuText_ClearInformationArea.ClearCLlinesOfText
	24	%endif
	25
[48]	26	ALIGN JUMP_ALIGN
	27	MenuText_ClearInformationArea:
[125]	28	CALL_DISPLAY_LIBRARY PushDisplayContext ; Save cursor coordinates
[54]	29	call MenuText_PrepareToDrawInformationArea
[48]	30	mov cl, [bp+MENUINIT.bInfoLines]
[194]	31	.ClearCLlinesOfText:
[48]	32	mov al, [bp+MENUINIT.bWidth]
[54]	33	sub al, MENU_HORIZONTAL_BORDER_LINES+(MENU_TEXT_COLUMN_OFFSET/2)
[48]	34	mul cl
	35	xchg cx, ax
	36	mov al, ' '
	37	CALL_DISPLAY_LIBRARY PrintRepeatedCharacterFromALwithCountInCX
[125]	38	CALL_DISPLAY_LIBRARY PopDisplayContext
[48]	39	ret
	40
	41
	42	;--------------------------------------------------------------------
[41]	43	; MenuText_RefreshTitle
	44	; MenuText_RefreshInformation
	45	; Parameters
	46	; SS:BP: Ptr to MENU
	47	; Returns:
	48	; Nothing
	49	; Corrupts registers:
[48]	50	; AX, BX, CX, DX, SI, DI
[41]	51	;--------------------------------------------------------------------
	52	ALIGN JUMP_ALIGN
	53	MenuText_RefreshTitle:
	54	cmp BYTE [bp+MENUINIT.bTitleLines], 0
	55	jz SHORT NothingToRefresh
[48]	56	call PrepareToDrawTitleArea
[41]	57	jmp MenuEvent_RefreshTitle
	58
	59	ALIGN JUMP_ALIGN
	60	MenuText_RefreshInformation:
	61	cmp BYTE [bp+MENUINIT.bInfoLines], 0
	62	jz SHORT NothingToRefresh
[54]	63	call MenuText_PrepareToDrawInformationArea
[48]	64	jmp MenuEvent_RefreshInformation
[41]	65
[48]	66	;--------------------------------------------------------------------
	67	; PrepareToDrawTitleArea
	68	; PrepareToDrawInformationArea
	69	; Parameters
	70	; SS:BP: Ptr to MENU
	71	; Returns:
	72	; Nothing
	73	; Corrupts registers:
	74	; AX, BX, DX, SI, DI
	75	;--------------------------------------------------------------------
	76	ALIGN JUMP_ALIGN
	77	PrepareToDrawTitleArea:
	78	mov si, ATTRIBUTE_CHARS.cTitle
	79	call MenuLocation_GetTitleTextTopLeftCoordinatesToAX
[52]	80	jmp SHORT FinishPreparationsToDrawTitleOrInformationArea
[48]	81
	82	ALIGN JUMP_ALIGN
[54]	83	MenuText_PrepareToDrawInformationArea:
[41]	84	mov si, ATTRIBUTE_CHARS.cInformation
	85	call MenuLocation_GetInformationTextTopLeftCoordinatesToAX
[52]	86	FinishPreparationsToDrawTitleOrInformationArea:
	87	mov dx, MenuCharOut_MenuTeletypeOutputWithAutomaticLineChange
	88	jmp SHORT AdjustDisplayContextForDrawingTextsAtCoordsInAXwithAttrTypeInSIandCharOutFunctionInDX
[41]	89
	90
	91	;--------------------------------------------------------------------
	92	; MenuText_RefreshAllItems
	93	; Parameters
	94	; SS:BP: Ptr to MENU
	95	; Returns:
	96	; Nothing
	97	; Corrupts registers:
	98	; AX, BX, DX, SI, DI
	99	;--------------------------------------------------------------------
	100	ALIGN JUMP_ALIGN
	101	MenuText_RefreshAllItems:
	102	push cx
	103
	104	call MenuScrollbars_GetActualVisibleItemsOnPageToCX
	105	mov ax, [bp+MENU.wFirstVisibleItem]
	106	ALIGN JUMP_ALIGN
	107	.ItemRefreshLoop:
	108	call MenuText_RefreshItemFromAX
	109	inc ax
	110	loop .ItemRefreshLoop
	111
	112	pop cx
	113	NothingToRefresh:
	114	ret
	115
	116	;--------------------------------------------------------------------
	117	; MenuText_RefreshItemFromAX
	118	; Parameters
	119	; AX: Item to refresh
	120	; SS:BP: Ptr to MENU
	121	; Returns:
	122	; Nothing
	123	; Corrupts registers:
	124	; BX, DX, SI, DI
	125	;--------------------------------------------------------------------
	126	ALIGN JUMP_ALIGN
	127	MenuText_RefreshItemFromAX:
	128	push cx
[67]	129	push ax
[41]	130
[67]	131	xchg cx, ax
[41]	132	call MenuScrollbars_IsItemInCXonVisiblePage
	133	jnc SHORT .InvalidItem
[52]	134	call MenuText_AdjustDisplayContextForDrawingItemFromCX
[67]	135	call ClearPreviousItem
[41]	136	call MenuEvent_RefreshItemFromCX
[67]	137	call DrawScrollbarCharacterForItemInCXifNecessary
[41]	138	.InvalidItem:
[67]	139	pop ax
[41]	140	pop cx
	141	ret
	142
	143	;--------------------------------------------------------------------
[52]	144	; MenuText_AdjustDisplayContextForDrawingItemFromCX
[41]	145	; Parameters
[52]	146	; CX: Item to refresh
[41]	147	; SS:BP: Ptr to MENU
	148	; Returns:
[52]	149	; Nothing
[41]	150	; Corrupts registers:
[52]	151	; AX, BX, DX, SI, DI
[41]	152	;--------------------------------------------------------------------
	153	ALIGN JUMP_ALIGN
[52]	154	MenuText_AdjustDisplayContextForDrawingItemFromCX:
	155	mov ax, cx
	156	call GetItemTextAttributeTypeToSIforItemInCX
[41]	157	call MenuLocation_GetTextCoordinatesToAXforItemInAX
[52]	158	mov dx, MenuCharOut_MenuTeletypeOutput
[133]	159	; Fall to AdjustDisplayContextForDrawingTextsAtCoordsInAXwithAttrTypeInSIandCharOutFunctionInDX
[52]	160
	161	;--------------------------------------------------------------------
	162	; AdjustDisplayContextForDrawingTextsAtCoordsInAXwithAttrTypeInSIandCharOutFunctionInDX
	163	; Parameters
	164	; AX: Cursor coordinates to set
	165	; DX: Character output function
	166	; SI: Attribute type (from ATTRIBUTE_CHARS)
	167	; SS:BP: Ptr to MENU
	168	; Returns:
	169	; Nothing
	170	; Corrupts registers:
	171	; AX, BX, DX, SI, DI
	172	;--------------------------------------------------------------------
	173	ALIGN JUMP_ALIGN
	174	AdjustDisplayContextForDrawingTextsAtCoordsInAXwithAttrTypeInSIandCharOutFunctionInDX:
[41]	175	CALL_DISPLAY_LIBRARY SetCursorCoordinatesFromAX
	176
[52]	177	xchg ax, dx
	178	mov bl, ATTRIBUTES_ARE_USED
	179	CALL_DISPLAY_LIBRARY SetCharOutputFunctionFromAXwithAttribFlagInBL
	180
	181	call CharOutLineSplitter_PrepareForPrintingTextLines
	182	jmp MenuAttribute_SetToDisplayContextFromTypeInSI
	183
	184
[41]	185	;--------------------------------------------------------------------
[67]	186	; ClearPreviousItem
	187	; Parameters
	188	; SS:BP: Ptr to MENU
	189	; Returns:
	190	; Nothing
	191	; Corrupts registers:
	192	; AX, BX, DX, DI
	193	;--------------------------------------------------------------------
	194	ALIGN JUMP_ALIGN
	195	ClearPreviousItem:
	196	CALL_DISPLAY_LIBRARY GetSoftwareCoordinatesToAX
	197	xchg bx, ax
	198
	199	call MenuBorders_GetNumberOfMiddleCharactersToDX
	200	sub dx, BYTE MENU_TEXT_COLUMN_OFFSET
	201	mov al, [cs:g_rgbTextBorderCharacters+BORDER_CHARS.cMiddle]
	202	call MenuBorders_PrintMultipleBorderCharactersFromAL
	203
	204	xchg ax, bx
	205	CALL_DISPLAY_LIBRARY SetCursorCoordinatesFromAX
	206	ret
	207
	208
	209	;--------------------------------------------------------------------
[52]	210	; GetItemTextAttributeTypeToSIforItemInCX
[41]	211	; Parameters
	212	; CX: Item to refresh
	213	; SS:BP: Ptr to MENU
	214	; Returns:
	215	; SI: Text attribute type (ATTRIBUTE_CHARS)
	216	; Corrupts registers:
	217	; Nothing
	218	;--------------------------------------------------------------------
	219	ALIGN JUMP_ALIGN
[52]	220	GetItemTextAttributeTypeToSIforItemInCX:
[41]	221	mov si, ATTRIBUTE_CHARS.cItem
	222	test BYTE [bp+MENU.bFlags], FLG_MENU_NOHIGHLIGHT
	223	jnz SHORT .ReturnAttributeTypeInSI
[52]	224
	225	cmp cx, [bp+MENUINIT.wHighlightedItem]
[41]	226	jne SHORT .ReturnAttributeTypeInSI
	227	sub si, BYTE ATTRIBUTE_CHARS.cItem - ATTRIBUTE_CHARS.cHighlightedItem
	228	ALIGN JUMP_ALIGN, ret
	229	.ReturnAttributeTypeInSI:
	230	ret
	231
	232
	233	;--------------------------------------------------------------------
[67]	234	; DrawScrollbarCharacterForItemInCXifNecessary
[41]	235	; Parameters
	236	; CX: Item to refresh
	237	; SS:BP: Ptr to MENU
	238	; Returns:
	239	; Nothing
	240	; Corrupts registers:
[67]	241	; AX, CX, BX, DX, SI, DI
[41]	242	;--------------------------------------------------------------------
	243	ALIGN JUMP_ALIGN
[67]	244	DrawScrollbarCharacterForItemInCXifNecessary:
[41]	245	call MenuScrollbars_AreScrollbarsNeeded
	246	jc SHORT .DrawScrollbarCharacter
	247	ret
	248
	249	ALIGN JUMP_ALIGN
	250	.DrawScrollbarCharacter:
[48]	251	call MenuBorders_AdjustDisplayContextForDrawingBorders
[41]	252	mov ax, cx
[104]	253
	254	call MenuLocation_GetTextCoordinatesToAXforItemInAX
	255	add al, [bp+MENUINIT.bWidth]
	256	sub al, MENU_TEXT_COLUMN_OFFSET*2
[41]	257	CALL_DISPLAY_LIBRARY SetCursorCoordinatesFromAX
	258
	259	mov di, cx
	260	sub di, [bp+MENU.wFirstVisibleItem] ; Item to line
	261	call MenuScrollbars_GetScrollCharacterToALForLineInDI
[67]	262	jmp MenuBorders_PrintSingleBorderCharacterFromAL

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