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1.1 root 1: /* include file for lqh.c */
2:
3: #define INCL_BASE /* include all of the OS/2 base */
4:
5: #include <os2.h> /* OS/2 includes */
6: #include "lqhdll.h" /* definitions for qhdll.dll */
7:
8: #define atNORMAL 0x07 /* normal attribute */
9: #define atHILITE 0x70 /* highlighted attribute */
10: #define atITALIC 0x02 /* italics attribute */
11: #define atBOLD 0x0F /* bold attribute */
12: #define atWARNING 0x47 /* error box attribute */
13: #define atMENU 0x30 /* menu bar */
14: #define atLEAD 0x3f /* leading letter of menu */
15: #define atBOX 0x03 /* box color */
16: #define atSEARCHBOX 0x17 /* search box color */
17:
18: #define MAXPRELOAD 150 /* maximum number of preloaded topics */
19: #define MAXLIST 20 /* maximum number of list categories */
20: #define MAXPASTE 5 /* maximum number of paste sections */
21: #define MAXREF 10 /* maximum number of references */
22: #define MAXNAMESIZE 25 /* maximum function name size */
23: #define MAXCATNAME 20 /* maximum category name size */
24:
25: #define BOXLEFT 0 /* left column of box border */
26: #define BOXRIGHT 79 /* right column of box border */
27: #define BOXTOP 1 /* top column of box border */
28:
29: #define THIN 1 /* box line type */
30: #define THICK 2 /* box line type */
31:
32: typedef ULONG NC; /* context number for Help engine functins */
33:
34: typedef struct _SELTABLE { /* table of current selectors */
35: NC ncContext; /* context number */
36: SEL sel; /* selector */
37: USHORT usTopLine; /* top line of display */
38: USHORT usHighLight; /* highlighted line */
39: } SELTABLE;
40:
41: typedef struct _STRTABLE { /* table of char-attribute strings */
42: PCH addr; /* address of the string */
43: USHORT cb; /* length of the string */
44: } STRTABLE;
45:
46: typedef struct _MENUTABLE {
47: BYTE scancode; /* scan code */
48: BYTE pos; /* position */
49: } MENUTABLE;
50:
51: typedef struct _LIST { /* category structure */
52: NPSZ name[MAXCATNAME];
53: } LIST;
54:
55: typedef struct _TOPICHDR {
56: BYTE appChar; /* app-specific character */
57: BYTE lineChar; /* what line to remove */
58: BYTE ftype; /* source file type */
59: USHORT lnCur; /* line number last accessed */
60: USHORT lnOff; /* offset into topic for that line */
61: } TOPICHDR;
62:
63: extern VIOCURSORINFO viociCursor; /* cursor data */
64: extern KBDKEYINFO kbdciKeyInfo; /* structure for key data */
65: extern QHBOX qhbBox; /* contains box dimensions */
66:
67: extern CHAR chMenu[];
68: extern CHAR achBlank[2];
69: extern MENUTABLE menuCatTable[];
70:
71: extern CHAR chReference[]; /* used to store reference strings */
72: extern NPSZ npszRefTable[]; /* table of reference functions */
73: extern STRTABLE strTable[]; /* maintains address of each line */
74: extern USHORT usRefCount; /* number of reference functions */
75: extern LIST lstList[]; /* list category names */
76: extern USHORT usListPos; /* position in tables */
77:
78: extern USHORT hmou; /* handle to the mouse */
79: extern MOUEVENTINFO mouevEvent; /* mouse event packet structure */
80: extern NOPTRRECT mourtRect;
81: extern BOOL fMouButton; /* TRUE if button clicked */
82: extern USHORT MouReadType; /* don't wait for mouse event */
83:
84: extern BYTE bNormalAtt;
85: extern BYTE bHiAtt;
86: extern BYTE bBoldAtt;
87: extern BYTE bItalicAtt;
88: extern BYTE bMenuAtt;
89: extern BYTE bHiMenuAtt;
90: extern BYTE bLead;
91: extern BYTE bHiLead;
92:
93: extern SEL selBoxSave; /* selector to memory for screen save */
94: SEL selStringTable; /* selector for char-attribute strings */
95:
96: extern USHORT usBottomLine; /* current bottom line number */
97: extern USHORT usInterior; /* maximum number of displayed lines */
98: extern USHORT usTotalLines; /* total number of line */
99: extern USHORT usStructLine; /* starting line of structure section */
100:
101: extern BOOL fListDisplay; /* TRUE if function list is displayed */
102: extern BOOL fBack; /* True if HelpNcBack() was called */
103: extern USHORT usSaveMenuPos; /* current Category menu position */
104:
105: extern SELTABLE selTable[]; /* table of preloaded topics */
106: extern USHORT usCurrent; /* current index in selTable */
107:
108: extern ULONG FAR hsemNewRef; /* RAM semaphore used by PreLoad() */
109: extern TID tidPreLoad; /* identifier for PreLoad thread */
110: extern BYTE bThreadStack[]; /* stack for PreLoad thread */
111:
112: extern CHAR chMenuTable[]; /* table of menu keys */
113: extern SHORT sMenuTablePos;
114: extern SHORT sDirection; /* used by menus */
115:
116: extern NC ncHelp; /* handle to help data file */
117: extern BYTE bAttr[];
118: extern CHAR chHelpName[]; /* path and name for qh.hlp */
119: extern CHAR chPasteName[]; /* path and name for paste.qh */
120: extern USHORT usOpenType; /* truncate/append */
121: extern VIOMODEINFO vmiMode; /* video mode */
122:
123: VOID cdecl main(); /* qhmain */
124: BOOL ReadScreen(BOOL); /* qhmain */
125: VOID Display(); /* qhmain */
126: VOID FAR Abort(); /* qhmain */
127: VOID ScrollUp(); /* qhmain */
128: VOID ScrollDown(); /* qhmain */
129: VOID MouseRelease(); /* qhmain */
130: BOOL isalpha(CHAR); /* qhmain */
131: VOID Reference(); /* qhmenu */
132: VOID Options(); /* qhmenu */
133: VOID Search(); /* qhmenu */
134: VOID Input(); /* qhmenu */
135: VOID ListMenu(); /* qhmenu */
136: VOID AddBar(USHORT, USHORT); /* qhmenu */
137: VOID DeleteBar(USHORT, USHORT); /* qhmenu */
138: BOOL MenuLoop(QHBOX *, USHORT *, BOOL, USHORT); /* qhmenu */
139: BOOL HelpSearch(NPSZ, BOOL, NC); /* qhhelp */
140: VOID FAR PreLoadThread(); /* qhhelp */
141: BOOL Init(); /* qhinit */
142:
143: /* Help engine prototypes */
144:
145: VOID FAR PASCAL HelpClose(NC);
146: NC FAR PASCAL HelpOpen(PCH);
147: NC FAR PASCAL HelpNc(PCH, NC);
148: USHORT FAR PASCAL HelpNcCb(NC);
149: USHORT FAR PASCAL HelpLook(NC, PCH);
150: BYTE FAR PASCAL HelpSetChar(NC, BYTE);
151: BOOL FAR PASCAL HelpDecomp(PBYTE, PBYTE, NC);
152: NC FAR PASCAL HelpNcNext(NC);
153: NC FAR PASCAL HelpNcBack();
154: VOID FAR PASCAL HelpNcRecord(NC);
155: SHORT FAR PASCAL HelpGetCells(USHORT, INT, PCHAR, PCHAR, PBYTE);
156: SHORT FAR PASCAL HelpGetLine(USHORT, USHORT, PBYTE, PBYTE);
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