85 lines
2.3 KiB
C
85 lines
2.3 KiB
C
/* -*- c -*- ------------------------------------------------------------- *
|
|
*
|
|
* Copyright 2004-2005 Murali Krishnan Ganapathy - All Rights Reserved
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License as published by
|
|
* the Free Software Foundation, Inc., 53 Temple Place Ste 330,
|
|
* Boston MA 02111-1307, USA; either version 2 of the License, or
|
|
* (at your option) any later version; incorporated herein by reference.
|
|
*
|
|
* ----------------------------------------------------------------------- */
|
|
|
|
#include "help.h"
|
|
#include <stdio.h>
|
|
#include "string.h"
|
|
|
|
char helpbasedir[HELPDIRLEN]; // name of help directory limited to HELPDIRLEN
|
|
|
|
void showhelp(const char *filename)
|
|
{
|
|
char nc,nr;
|
|
FILE *f;
|
|
char line[512]; // Max length of a line
|
|
|
|
nc = getnumcols();
|
|
nr = getnumrows();
|
|
cls();
|
|
drawbox(0,0,nr,nc-1,HELPPAGE,0x07,HELPBOX);
|
|
|
|
drawhorizline(2,0,nc-1,HELPPAGE,0x07,HELPBOX,0); // dumb==0
|
|
if (filename == NULL) { // print file contents
|
|
gotoxy(HELP_BODY_ROW,HELP_LEFT_MARGIN,HELPPAGE);
|
|
cswprint("Help system not initialized",0x07,HELP_LEFT_MARGIN);
|
|
return;
|
|
}
|
|
|
|
f = fopen(filename,"r");
|
|
if (!f) { // No such file
|
|
sprintf(line, "File %s not found",filename);
|
|
gotoxy(HELP_BODY_ROW,HELP_LEFT_MARGIN,HELPPAGE);
|
|
cswprint(line,0x07,HELP_LEFT_MARGIN);
|
|
return;
|
|
}
|
|
|
|
// Now we have a file just print it.
|
|
fgets(line,sizeof line,f); // Get first line (TITLE)
|
|
gotoxy(1,(nc-strlen(line))/2,HELPPAGE);
|
|
csprint(line,0x07);
|
|
|
|
gotoxy(HELP_BODY_ROW,HELP_LEFT_MARGIN,HELPPAGE);
|
|
while ( fgets(line, sizeof line, f) ) cswprint(line,0x07,HELP_LEFT_MARGIN);
|
|
fclose(f);
|
|
}
|
|
|
|
void runhelpsystem(unsigned int helpid)
|
|
{
|
|
char dp;
|
|
char scan;
|
|
char filename[HELPDIRLEN+16];
|
|
|
|
dp = getdisppage();
|
|
if (dp != HELPPAGE) setdisppage(HELPPAGE);
|
|
if (helpbasedir[0] != 0) {
|
|
sprintf(filename,"%s/hlp%05d.txt",helpbasedir,helpid);
|
|
showhelp(filename);
|
|
}
|
|
else showhelp (NULL);
|
|
while (1) {
|
|
inputc(&scan);
|
|
if (scan == ESCAPE) break;
|
|
}
|
|
if (dp != HELPPAGE) setdisppage(dp);
|
|
}
|
|
|
|
void init_help(const char *helpdir)
|
|
{
|
|
if (helpdir != NULL)
|
|
strcpy(helpbasedir,helpdir);
|
|
else helpbasedir[0] = 0;
|
|
}
|
|
|
|
void close_help(void)
|
|
{
|
|
}
|