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/*
** userinput.c User input functions for k2pdfopt.c.
**
** Copyright (C) 2020 http://willus.com
**
** This program is free software: you can redistribute it and/or modify
** it under the terms of the GNU Affero General Public License as
** published by the Free Software Foundation, either version 3 of the
** License, or (at your option) any later version.
**
** This program is distributed in the hope that it will be useful,
** but WITHOUT ANY WARRANTY; without even the implied warranty of
** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
** GNU Affero General Public License for more details.
**
** You should have received a copy of the GNU Affero General Public License
** along with this program. If not, see <http://www.gnu.org/licenses/>.
**
*/
#include "k2pdfopt.h"
static void string_display(char *s);
static int string_match(char *s,int c);
int userinput_float(char *message,double defval,double *dstval,int nmax,
double min,double max,char *extramessage)
{
char buf[256];
int i,na;
double v[8];
if (nmax>8)
nmax=8;
while (1)
{
if (extramessage!=NULL && extramessage[0]!='\0')
k2printf(TTEXT_BOLD2 "%s" TTEXT_NORMAL "\n",extramessage);
k2printf(TTEXT_BOLD2 "%s" TTEXT_NORMAL,message);
if (defval > -1e9)
k2printf(" [%g]",defval);
k2printf(": ");
k2gets(buf,255,"");
k2printf(TTEXT_NORMAL "\n");
clean_line(buf);
if (buf[0]=='\0')
{
dstval[0]=defval;
return(1);
}
if (tolower(buf[0])=='q')
return(-1);
na=string_read_doubles(buf,v,nmax);
if (na<=0)
{
k2printf(TTEXT_WARN "\aThe response '%s' is not valid.\n\n" TTEXT_NORMAL,buf);
continue;
}
for (i=0;i<na;i++)
{
if (atof(buf)<min || atof(buf)>max)
{
k2printf(TTEXT_WARN "\aThe response must be between %g and %g.\n\n" TTEXT_NORMAL,min,max);
break;
}
}
if (i<na)
continue;
for (i=0;i<na;i++)
dstval[i]=v[i];
return(na);
}
}
int userinput_integer(char *message,int defval,int *dstval,int min,int max)
{
char buf[256];
while (1)
{
k2printf(TTEXT_BOLD2 "%s" TTEXT_NORMAL " [%d]: " TTEXT_INPUT,
message,defval);
k2gets(buf,255,"");
k2printf(TTEXT_NORMAL "\n");
clean_line(buf);
if (buf[0]=='\0')
{
(*dstval)=defval;
return(0);
}
if (tolower(buf[0])=='q')
return(-1);
if (!is_an_integer(buf))
{
k2printf(TTEXT_WARN "\aThe response '%s' is not valid.\n\n" TTEXT_NORMAL,buf);
continue;
}
if (atoi(buf)<min || atoi(buf)>max)
{
k2printf(TTEXT_WARN "\aThe response must be between %d and %d.\n\n" TTEXT_NORMAL,min,max);
continue;
}
(*dstval)=atoi(buf);
return(0);
}
}
int userinput_any_string(char *message,char *dstval,int maxlen,char *defname)
{
char buf[1024];
if (maxlen>1023)
maxlen=1023;
while (1)
{
k2printf(TTEXT_BOLD2 "%s" TTEXT_NORMAL " [%s]: " TTEXT_INPUT,
message,defname);
k2gets(buf,maxlen,"");
k2printf(TTEXT_NORMAL "\n");
clean_line(buf);
if (buf[0]=='\0')
{
dstval[0]='\0';
return(0);
}
if (tolower(buf[0])=='q')
return(-1);
xstrncpy(dstval,buf,maxlen-1);
return(0);
}
}
int userinput_string(char *message,char *selection[],char *def)
{
char buf[256];
int i;
while (1)
{
k2printf(TTEXT_BOLD2 "%s" TTEXT_NORMAL " (",message);
for (i=0;selection[i][0]!='\0';i++)
{
if (i>0)
k2printf(", ");
string_display(selection[i]);
}
k2printf(") [%c]: " TTEXT_INPUT,def[0]);
k2gets(buf,255,"");
k2printf(TTEXT_NORMAL "\n");
clean_line(buf);
if (buf[0]=='\0')
strcpy(buf,def);
if (tolower(buf[0])=='q')
return(-1);
for (i=0;selection[i][0]!='\0';i++)
if (string_match(selection[i],buf[0]))
return(i);
k2printf(TTEXT_WARN "\aThe response '%s' is not valid.\n\n" TTEXT_NORMAL,
buf);
}
}
/* v2.15 new function so that strings can have an asterisk to mark the selection char */
static void string_display(char *s)
{
int i,ap;
for (i=0;s[i]!='\0';i++)
if (s[i]=='*')
break;
ap = (s[i]=='*');
for (i=0;s[i]!='\0';i++)
{
if (s[i]=='*' || (i==0 && !ap))
{
k2printf("%s",TTEXT_BOLD);
if (s[i]=='*' && s[i+1]!='\0')
i++;
k2printf("%c",s[i]);
k2printf("%s",TTEXT_NORMAL);
continue;
}
k2printf("%c",s[i]);
}
}
/* v2.15 new function so that strings can have an asterisk to mark the selection char */
static int string_match(char *s,int c)
{
int i;
if (s[0]=='\0')
return(0);
for (i=0;s[i]!='\0';i++)
if (s[i]=='*')
return(tolower(c)==tolower(s[i+1]));
return(tolower(c)==tolower(s[0]));
}
int get_ttyrows(void)
{
int i,j;
if (ansi_rows_cols(stdout,&i,&j))
return(i);
#if (defined(WIN32) || defined(WIN64))
return(25);
#else
return(24);
#endif
}
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