/*
	Copyright 1990 Business Management Systems, Inc.
	Author: Stuart D. Gathman
*/

#include <stdio.h>
#include <Frame.h>
#include <ctype.h>

#define MARK '>'

int expandtabs(const char *in,char *out,int len) {
  int pos = 0,i;
  while (*in && pos < len) {
    if (*in == '\t')
      do
	out[pos++] = ' ';
      while (pos % 8 && pos < len);
    else
      out[pos++] = *in;
    ++in;
  }
  for (i = pos; i < len; ++i)
    out[i] = ' ';
  return pos;
}

void PromptLine::draw(const Rect &r) {
  for (int i = r.r1; list[i] && i <= r.r2; ++i) {
    char buf[132];
    expandtabs(list[i],buf + 1,sizeof buf - 1);
    buf[0] = ' ';
    if (i == row) {
      if (cur) buf[0] = cur;
      write(i,0,sizeof buf,buf,A_REVERSE);
    }
    else
      write(i,0,sizeof buf,buf,A_NORMAL);
  }
}

TextWindow::TextWindow(const char **txt,const char *title):
  PromptLine(txt), FramedWin(title,"")
{ }

PromptLine::PromptLine(const char **txt) {
  list = txt;
  cur = 0;
  row = 0;
  curtype(0);
}

void PromptLine::setpos(Point p) {
  int maxw = 0;
  int i;
  for (i = 0; list[i]; ++i) {
    char buf[132];
    int w = expandtabs(list[i],buf,sizeof buf);
    if (w > maxw) maxw = w;
  }
  setphys(Rect(p,maxw + 1,i));
}