// Shave and a Haircut
// (c) 2019 Epic Games
// US Patent 6720962

// platform-unix.c  -- unix platform specific stuff
// BRING UP A FILE CHOOSER
//
//     RETURNS:
//          -1 if they hit Cancel (filename[0] = '\0')
//           0 if filename chosen
//
//     USAGE:
//        const char *title          = "Open Document File";
//        const char *comment        = "Doc files are *.doc";
//        static char filename[512]  = "/usr/tmp/foo.doc";
//        int         filemax        = sizeof(filename) - 1;
//        static char filter[80]     = "*.doc";
//        int         filtermax      = sizeof(filter) - 1;
//
//        if ( file_chooser(title, comment, filename, filemax, 
//                          filter, filtermax) < 0 )
//        {
//            printf("File you picked is: %s\n", filename);
//        }
//
#include <stdio.h>
#define POINT VERT
int
SetCursorPos( int a, int b )
{
}

int
GetCursorPos( POINT * p )
{
	p->x = valuator[MOUSEX];
	p->y = valuator[MOUSEY];
}

void
Sleep( int a )
{
	a = a;
}

int
getTAB(  )
{
	return ( 0 );
}

int
getESCAPE(  )
{
	return ( 0 );
}

int
getSHIFT(  )
{
	return ( 0 );
}

int
getCTRL(  )
{
	return ( 0 );
}

int
filechooserSV(					//const 
				  char *title,
				  //const 
				  char *comment, char *filename, int filenamemax, char *filter, int filtermax )
{
	// INVOKE THE EXTERNAL FILE CHOOSER
	//    For one thing, fltk is c++, so we don't wanna try to link that in
	//    to our cckr program (joe doesn't like modules, as you can see).
	//    Also, fltk will likely want to open its own X display and graphics
	//    contexts, so to prevent collisions, we make the chooser an external
	//    program.
	//
	//    External program returns a filename either as '/usr/tmp/foo.hair',
	//    or as '' indicating 'cancel' was hit.
	//
	char            s[256];
	FILE           *fp;
	int             ret = -1;

	// OPEN READ PIPE TO FILE CHOOSER
	sprintf( s, "filechooser-unix '%s' '%s' '%s'", ( ( title ) ? title : "" ), ( ( filename ) ? filename : "" ), ( ( filter ) ? filter : "" ) );
	fprintf( stderr, "EXECUTING: '%s'\n", s );
	if( ( fp = popen( s, "r" ) ) == NULL )
	{
		perror( s );
		return ( -1 );
	}
	// READ FILENAME CHOOSER RETURNS
	s[0] = '\0';
	if( fgets( s, sizeof( s ) - 1, fp ) != NULL )
	{
		char            foo[256];

		fprintf( stderr, "RAW RETURN: '%s'\n", s );
		sscanf( s, "'%255[^']'", filename );
		fprintf( stderr, "RETURN FILENAME: '%s'\n", filename );
		ret = 0;
	}
	else
	{
		ret = -1;
	}
	pclose( fp );
	return ( ret );
#ifdef NOTNOW
	if( title == 0 )
		title = "";
	if( comment == 0 )
		comment = "";
	fprintf( stderr, "filechooser: NOT YET IMPLEMENTED\n" );
	fprintf( stderr, "TITLE=%s\nEnter Filename: ", title );
	fgets( filename, filenamemax - 1, stdin );
	{
		int             t;

		for( t = 0; filename[t]; t++ )
			if( filename[t] == '\n' )
				filename[t] = '\0';
	}
	fprintf( stderr, "FILENAME='%s'\n", filename );
	return ( 0 );
#endif /*NOTNOW*/
}

int
filechooser(					//const 
				char *title,
				//const 
				char *comment, char *filename, int filenamemax, char *filter, int filtermax )
{
	// INVOKE THE EXTERNAL FILE CHOOSER
	//    For one thing, fltk is c++, so we don't wanna try to link that in
	//    to our cckr program (joe doesn't like modules, as you can see).
	//    Also, fltk will likely want to open its own X display and graphics
	//    contexts, so to prevent collisions, we make the chooser an external
	//    program.
	//
	//    External program returns a filename either as '/usr/tmp/foo.hair',
	//    or as '' indicating 'cancel' was hit.
	//
	char            s[256];
	FILE           *fp;
	int             ret = -1;

	// OPEN READ PIPE TO FILE CHOOSER
	sprintf( s, "filechooser-unix '%s' '%s' '%s'", ( ( title ) ? title : "" ), ( ( filename ) ? filename : "" ), ( ( filter ) ? filter : "" ) );
	fprintf( stderr, "EXECUTING: '%s'\n", s );
	if( ( fp = popen( s, "r" ) ) == NULL )
	{
		perror( s );
		return ( -1 );
	}
	// READ FILENAME CHOOSER RETURNS
	s[0] = '\0';
	if( fgets( s, sizeof( s ) - 1, fp ) != NULL )
	{
		char            foo[256];

		fprintf( stderr, "RAW RETURN: '%s'\n", s );
		sscanf( s, "'%255[^']'", filename );
		fprintf( stderr, "RETURN FILENAME: '%s'\n", filename );
		ret = 0;
	}
	else
	{
		ret = -1;
	}
	pclose( fp );
	return ( ret );
#ifdef NOTNOW
	if( title == 0 )
		title = "";
	if( comment == 0 )
		comment = "";
	fprintf( stderr, "filechooser: NOT YET IMPLEMENTED\n" );
	fprintf( stderr, "TITLE=%s\nEnter Filename: ", title );
	fgets( filename, filenamemax - 1, stdin );
	{
		int             t;

		for( t = 0; filename[t]; t++ )
			if( filename[t] == '\n' )
				filename[t] = '\0';
	}
	fprintf( stderr, "FILENAME='%s'\n", filename );
	return ( 0 );
#endif /*NOTNOW*/
}