source: xtideuniversalbios/trunk/XTIDE_Universal_BIOS_Configurator_v2/Src/MenuEvents.asm@ 58

Last change on this file since 58 was 57, checked in by Tomi Tilli, 14 years ago

Initial commit (Work in progress).
File size: 5.8 KB
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1; File name : MenuEvents.asm
2; Project name : XTIDE Universal BIOS Configurator v2
3; Created date : 5.10.2010
4; Last update : 6.10.2010
5; Author : Tomi Tilli
6; Description : Menu event handling.
7
8; Section containing code
9SECTION .text
10
11;--------------------------------------------------------------------
12; MenuEvents_DisplayMenu
13; Parameters:
14; Nothing
15; Returns:
16; Nothing
17; Corrupts registers:
18; All, except segments
19;--------------------------------------------------------------------
20ALIGN JUMP_ALIGN
21MenuEvents_DisplayMenu:
22 mov ax, g_MenupageForMainMenu
23 mov dx, ds
24 mov bx, MenuEventHandler
25 CALL_MENU_LIBRARY DisplayWithHandlerInBXandUserDataInDXAX
26 ret
27
28
29;--------------------------------------------------------------------
30; MenuEventHandler
31; Common parameters for all events:
32; BX: Menu event (anything from MENUEVENT struct)
33; SS:BP: Menu library handle
34; Common return values for all events:
35; CF: Set if event processed
36; Cleared if event not processed
37; Corrupts registers:
38; All
39;--------------------------------------------------------------------
40ALIGN JUMP_ALIGN
41MenuEventHandler:
42 cmp bx, MENUEVENT.RefreshItemFromCX ; Above last supported item?
43 ja SHORT .EventNotHandled
44 jmp [bx+.rgfnEventSpecificHandlers]
45.EventNotHandled:
46.IdleProcessing:
47 clc
48 ret
49
50ALIGN WORD_ALIGN
51.rgfnEventSpecificHandlers:
52 dw .InitializeMenuinitFromDSSI
53 dw .ExitMenu
54 dw .IdleProcessing
55 dw .ItemHighlightedFromCX
56 dw .ItemSelectedFromCX
57 dw .KeyStrokeInAX
58 dw .RefreshTitle
59 dw .RefreshInformation
60 dw .RefreshItemFromCX
61
62
63; Parameters:
64; DS:SI: Ptr to MENUINIT struct to initialize
65; Returns:
66; DS:SI: Ptr to initialized MENUINIT struct
67ALIGN JUMP_ALIGN
68.InitializeMenuinitFromDSSI:
69 push ds
70 push cs
71 pop ds
72 mov di, g_MenupageForMainMenu
73 call Menupage_SetActiveMenupageFromDSDI
74 call Menupage_GetVisibleMenuitemsToAXfromDSDI
75 pop ds
76
77 mov WORD [si+MENUINIT.wTimeoutTicks], NO_TIMEOUT_USED
78 mov WORD [si+MENUINIT.wItems], ax
79 mov WORD [si+MENUINIT.bTitleLines], TITLE_LINES_IN_MENU
80 mov WORD [si+MENUINIT.bInfoLines], INFO_LINES_IN_MENU
81 mov WORD [si+MENUINIT.bWidth], MENU_WIDTH
82 CALL_DISPLAY_LIBRARY GetColumnsToALandRowsToAH
83 mov [si+MENUINIT.bHeight], ah
84 stc
85 ret
86
87
88; Parameters:
89; None
90ALIGN JUMP_ALIGN
91.ExitMenu:
92 stc
93 ret
94
95
96; Parameters:
97; CX: Index of new highlighted item
98; DX: Index of previously highlighted item or NO_ITEM_HIGHLIGHTED
99ALIGN JUMP_ALIGN
100.ItemHighlightedFromCX:
101 CALL_MENU_LIBRARY ClearInformationArea
102 CALL_MENU_LIBRARY RefreshInformation
103 stc
104 ret
105
106
107; Parameters:
108; CX: Index of selected item
109ALIGN JUMP_ALIGN
110.ItemSelectedFromCX:
111 call Menupage_GetActiveMenupageToDSDI
112 call Menupage_GetCXthVisibleMenuitemToDSSIfromDSDI
113 call [si+MENUITEM.fnActivate]
114 stc
115 ret
116
117
118; Parameters:
119; AL: ASCII character for the key
120; AH: Keyboard library scan code for the key
121ALIGN JUMP_ALIGN
122.KeyStrokeInAX:
123 cmp ah, KEY_DISPLAY_ITEM_HELP
124 jne SHORT .EventNotHandled
125
126 call Menupage_GetActiveMenupageToDSDI
127 CALL_MENU_LIBRARY GetHighlightedItemToAX
128 xchg cx, ax
129 call Menupage_GetCXthVisibleMenuitemToDSSIfromDSDI
130 call Menuitem_DisplayHelpMessageFromDSSI
131 stc
132 ret
133
134
135; Parameters:
136; CX: Index of item to refresh
137; Cursor has been positioned to the beginning of item line
138ALIGN JUMP_ALIGN
139.RefreshItemFromCX:
140 cmp cx, NO_ITEM_HIGHLIGHTED
141 je SHORT .NothingToRefresh
142 call Menupage_GetActiveMenupageToDSDI
143 call Menupage_GetCXthVisibleMenuitemToDSSIfromDSDI
144 jnc SHORT .NothingToRefresh
145 call MenuitemPrint_NameWithPossibleValueFromDSSI
146.NothingToRefresh:
147 stc
148 ret
149
150
151; Parameters:
152; CX: Index of highlighted item
153; Cursor has been positioned to the beginning of first line
154ALIGN JUMP_ALIGN
155.RefreshInformation:
156 cmp cx, NO_ITEM_HIGHLIGHTED
157 je SHORT .NothingToRefresh
158 call Menupage_GetActiveMenupageToDSDI
159 call Menupage_GetCXthVisibleMenuitemToDSSIfromDSDI
160 call MenuitemPrint_PrintQuickInfoFromDSSI
161 stc
162 ret
163
164
165; Parameters:
166; CX: Index of highlighted item
167; Cursor has been positioned to the beginning of first line
168ALIGN JUMP_ALIGN
169.RefreshTitle:
170 call .PrintProgramName
171 call .PrintLoadStatus
172 call .PrintStatusOfUnsavedChanges
173 stc
174 ret
175
176ALIGN JUMP_ALIGN
177.PrintProgramName:
178 mov si, g_szProgramTitle
179 CALL_DISPLAY_LIBRARY PrintNullTerminatedStringFromCSSI
180 ret
181
182ALIGN JUMP_ALIGN
183.PrintLoadStatus:
184 mov ax, [g_cfgVars+CFGVARS.wFlags]
185 test ax, FLG_CFGVARS_FILELOADED
186 jnz SHORT .PrintNameOfLoadedFile
187 test ax, FLG_CFGVARS_ROMLOADED
188 jnz SHORT .PrintLoadedEeprom
189 ; Fall to .PrintNothingLoaded
190
191.PrintNothingLoaded:
192 mov si, g_szBiosIsNotLoaded
193 CALL_DISPLAY_LIBRARY PrintNullTerminatedStringFromCSSI
194 ret
195
196ALIGN JUMP_ALIGN
197.PrintNameOfLoadedFile:
198 mov si, g_cfgVars+CFGVARS.szOpenedFile
199 CALL_DISPLAY_LIBRARY PrintNullTerminatedStringFromCSSI
200 jmp SHORT .PrintTypeOfLoadedBios
201
202ALIGN JUMP_ALIGN
203.PrintLoadedEeprom:
204 mov si, g_szEEPROM
205 CALL_DISPLAY_LIBRARY PrintNullTerminatedStringFromCSSI
206 ; Fall to .PrintTypeOfLoadedBios
207
208ALIGN JUMP_ALIGN
209.PrintTypeOfLoadedBios:
210 mov si, g_szSourceAndTypeSeparator
211 CALL_DISPLAY_LIBRARY PrintNullTerminatedStringFromCSSI
212 call Buffers_IsXtideUniversalBiosLoaded
213 jne SHORT .PrintUnidentifiedType
214
215 call Buffers_GetFileBufferToESDI
216 mov bx, es
217 lea si, [di+ROMVARS.szVersion]
218 CALL_DISPLAY_LIBRARY PrintNullTerminatedStringFromBXSI
219 ret
220
221ALIGN JUMP_ALIGN
222.PrintUnidentifiedType:
223 mov si, g_szUnidentified
224 CALL_DISPLAY_LIBRARY PrintNullTerminatedStringFromCSSI
225 ret
226
227ALIGN JUMP_ALIGN
228.PrintStatusOfUnsavedChanges:
229 test WORD [g_cfgVars+CFGVARS.wFlags], FLG_CFGVARS_UNSAVED
230 jz SHORT .ReturnSinceNothingToPrint
231 mov si, g_szUnsaved
232 CALL_DISPLAY_LIBRARY PrintNullTerminatedStringFromCSSI
233.ReturnSinceNothingToPrint:
234 ret
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