source: xtideuniversalbios/trunk/Assembly_Library/Src/Menu/MenuText.asm@ 537

Last change on this file since 537 was 526, checked in by krille_n_@…, 12 years ago

Changes:

  • Update of the copyright notices to include the year 2013.
File size: 8.4 KB
RevLine 
[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
22SECTION .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]35ALIGN MENU_JUMP_ALIGN
[48]36MenuText_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]43ALIGN MENU_JUMP_ALIGN
[48]44MenuText_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]68ALIGN MENU_JUMP_ALIGN
[41]69MenuText_RefreshTitle:
70 cmp BYTE [bp+MENUINIT.bTitleLines], 0
71 jz SHORT NothingToRefresh
[48]72 call PrepareToDrawTitleArea
[41]73 jmp MenuEvent_RefreshTitle
74
[369]75ALIGN MENU_JUMP_ALIGN
[41]76MenuText_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]92ALIGN MENU_JUMP_ALIGN
[48]93PrepareToDrawTitleArea:
94 mov si, ATTRIBUTE_CHARS.cTitle
95 call MenuLocation_GetTitleTextTopLeftCoordinatesToAX
[52]96 jmp SHORT FinishPreparationsToDrawTitleOrInformationArea
[48]97
[369]98ALIGN MENU_JUMP_ALIGN
[54]99MenuText_PrepareToDrawInformationArea:
[41]100 mov si, ATTRIBUTE_CHARS.cInformation
101 call MenuLocation_GetInformationTextTopLeftCoordinatesToAX
[52]102FinishPreparationsToDrawTitleOrInformationArea:
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]116ALIGN MENU_JUMP_ALIGN
[41]117MenuText_RefreshAllItems:
118 push cx
119
120 call MenuScrollbars_GetActualVisibleItemsOnPageToCX
121 mov ax, [bp+MENU.wFirstVisibleItem]
[369]122ALIGN MENU_JUMP_ALIGN
[41]123.ItemRefreshLoop:
124 call MenuText_RefreshItemFromAX
125 inc ax
126 loop .ItemRefreshLoop
127
128 pop cx
129NothingToRefresh:
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]142ALIGN MENU_JUMP_ALIGN
[41]143MenuText_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]169ALIGN MENU_JUMP_ALIGN
[52]170MenuText_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]189ALIGN MENU_JUMP_ALIGN
[52]190AdjustDisplayContextForDrawingTextsAtCoordsInAXwithAttrTypeInSIandCharOutFunctionInDX:
[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]210ALIGN MENU_JUMP_ALIGN
[67]211ClearPreviousItem:
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]234ALIGN MENU_JUMP_ALIGN
[52]235GetItemTextAttributeTypeToSIforItemInCX:
[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
242 sub si, BYTE ATTRIBUTE_CHARS.cItem - ATTRIBUTE_CHARS.cHighlightedItem
[369]243ALIGN 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]258ALIGN MENU_JUMP_ALIGN
[67]259DrawScrollbarCharacterForItemInCXifNecessary:
[41]260 call MenuScrollbars_AreScrollbarsNeeded
261 jc SHORT .DrawScrollbarCharacter
262 ret
263
[369]264ALIGN 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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