// Copyright (c) 2003,2004,2005 Juraj Kolesár <koli@koli.sk>               
#include "tdb.h"
/* width {{{ *******************************************************************/
int t_cellist_width_sum(T_CELLIST *list, int pos) {
	int i;
	int width = 0;
	T_CELL *cell;
	list = g_list_first(list);
	for (i=0; i <= pos; i++) {
		cell = list->data;
		width += cell->width;
		if (list->next != NULL) 
			list = g_list_next(list);
		else return(__LT_ERR);
	}
	return(width);
}
/* }}} */
/* widths sum {{{ *************************************************************/
int t_cols_width_sum(T_COLS *cols) {
	int i;
	int width = 0;
	T_CELL *cell;
	while (cols != NULL) {
		cell = cols->data;
		width += cell->width;
		cols = g_slist_next(cols);
	}
	return(width);
}
/* }}} */
/* cols get values {{{ ********************************************************/
int t_cols_get_values(T_COLS *cols, int column, 
						int *pos, int *width, char *value) {
	T_CELL *cell = cols->data;
	*pos = 1;
	while ((column > 0) && (cols->next != NULL)) {
		if (cell->width > 0) *pos += cell->width + 1;
		cols = g_slist_next(cols);
		cell = cols->data;
		column--;
	}
	*width = cell->width;
	strcpy(value,cell->value);
	return(column);
}
/* }}} */
/* cols set values {{{ ********************************************************/
int t_cols_set_value(T_COLS *cols, int column, int width, char *value) {
	register int i;
	T_CELL *cell;
	for (i=0; i < column; i++) {
		if (cols->next != NULL) cols = g_slist_next(cols);
		else return(__LT_ERR);
	}
	cell = cols->data;
	cell->width = width;
	strcpy(cell->value, value);
	return(__LT_OK);
}
/* }}} */
/* width {{{ *******************************************************************/
int t_cols_next(T_COLS *cols, int *column) {
	T_COLS *m_cols = cols;
	T_CELL *cell;
	register int i;
	for (i=0; i < *column; i++) {
		if (m_cols->next != NULL) m_cols = g_slist_next(m_cols);
		else return(__LT_ERR);
	} 
	do {
		if (m_cols->next != NULL) {
			m_cols = g_slist_next(m_cols);
			(*column)++;
		} else {
			m_cols = cols;
			*column = 0;
		}
		cell = m_cols->data;
	} while (cell->width == 0);
	return(__LT_OK);
}
/* }}} */