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/****************************************************************************
*
* Copyright (c) 1996-2022 Vladi Belperchinov-Shabanski "Cade"
* http://cade.noxrun.com/ <cade@noxrun.com> <cade@bis.bg> <cade@cpan.org>
*
* SEE `README',`LICENSE' OR `COPYING' FILE FOR LICENSE AND OTHER DETAILS!
*
****************************************************************************/
#include <vstring.h>
#include <wstring.h>
#include "form_in.h"
#include "scroll.h"
int EditStrBF = CONCOLOR( chWHITE, cBLUE );
int EditStrFH = CONCOLOR( cBLACK, cWHITE );
int TextInput( int x, int y, const char *prompt __attribute__((unused)), int maxlen, int fieldlen, WString &str_io, void (*handlekey)( int key, WString &str_io, int &pos ) )
{
int res = 0;
int insert = 1;
WString work = str_io;
ScrollPos scroll;
scroll.set_min_max( 0, str_len( work ) );
scroll.set_pagesize( fieldlen - 2 );
scroll.set_pagestep( 0.3 );
scroll.go( str_len( work ) );
int show = 1;
int firsthit = 1;
int opage = -1;
con_cshow();
while(1)
{
if (opage != scroll.page()) show = 1;
if (show)
{
WString work_out;
str_copy( work_out, work, scroll.page(), scroll.pagesize() );
str_pad( work_out, - scroll.pagesize() );
work_out = L"[" + work_out + L"]"; // used to be spaces
if ( scroll.page() > 0 ) str_set_ch( work_out, 0, L'<' );
if ( scroll.page() + scroll.pagesize() < str_len( work ) ) str_set_ch( work_out, -1, L'>' );
VString str_out = work_out;
con_out( x, y, str_out, firsthit ? EditStrFH : EditStrBF );
show = 0;
opage = scroll.page();
}
con_xy( x + scroll.pos() - scroll.page() + 1 , y );
wchar_t wch;
wch = con_getwch();
if( ( ! UKEY_IS_WIDE_CTRL( wch ) ) && wch >= 32 && wch != UKEY_BACKSPACE && str_len( work ) < maxlen - 1 )
{
if (firsthit)
{
work.undef();
scroll.go(0);
firsthit = 0;
}
if (!insert) str_del( work, scroll.pos(), 1 );
str_ins_ch( work, scroll.pos(), wch );
scroll.set_min_max( 0, str_len( work ) );
scroll.go( scroll.pos() );
scroll.down();
show = 1;
};
if (firsthit)
{
show = 1;
firsthit = 0;
}
if( wch == 27 )
{
res = 0;
break;
} else
if( wch == 13 )
{
str_io = work;
res = 1;
break;
} else
if( wch == UKEY_CTRL_U )
{
scroll.go(0);
work.undef();
show = 1;
} else
if( ( wch == UKEY_BACKSPACE || wch == 8 ) && (scroll.pos() > 0) )
{
scroll.up();
str_del( work, scroll.pos(), 1 );
show = 1;
} else
if ( wch == UKEY_INS ) insert = !insert; else
if ( wch == UKEY_LEFT ) scroll.up(); else
if ( wch == UKEY_RIGHT ) scroll.down(); else
/*
if ( wch == UKEY_PGUP ) scroll.ppage(); else
if ( wch == UKEY_PGDN ) scroll.npage(); else
*/
if ( wch == UKEY_HOME || wch == UKEY_CTRL_A ) scroll.go(0); else
if ( wch == UKEY_END || wch == UKEY_CTRL_E ) scroll.go(str_len(work)); else
if ( ( wch == UKEY_DEL || wch == UKEY_CTRL_D ) && scroll.pos() < str_len(work) )
{
str_del( work, scroll.pos(), 1 );
show = 1;
} else
if ( handlekey )
{
int npos = scroll.pos();
handlekey( wch, work, npos );
scroll.set_min_max( 0, str_len( work ) );
scroll.go( scroll.pos() );
if (scroll.pos() != npos) scroll.go( npos );
show = 1;
}
scroll.set_min_max( 0, str_len( work ) );
scroll.go( scroll.pos() );
}
con_chide();
return res;
}
// eof form_in.cpp
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