lib,tt: add TT_FL_NOEXTREMES

If you mark a column with TT_FL_NOEXTREMES flag then extremely
large fields will no have effect to column width. Foe example:

 without the TT_FL_NOEXTREMES flag for the 'AAA' column:

	 AAA         BBB CCC  DDD
	 aa          bbb ccc  ddd
	 aaaaaaaaaaa  bb ccc  ddd
	 aa           bb ccc  ddd
	 aa           bb ccc  ddd

 with the flags:

	 AAA  BBB CCC  DDD
	 aa   bbb ccc  dddddddddd
	 aaaaaaaaaaa
	       bb ccc  dddddddd
	 aa    bb ccc  dddddd
	 aa    bb ccc  ddddddddd

Signed-off-by: Karel Zak <kzak@redhat.com>

1 files changed, 9 insertions, 5 deletions

diff --git a/include/tt.h b/include/tt.h
index 1ae71337..9b5f15a9 100644
--- a/include/tt.h
+++ b/include/tt.h
@@ -23,10 +23,11 @@ enum {
 	/*
 	 * Column flags
 	 */
-	TT_FL_TRUNC       = (1 << 5),
-	TT_FL_TREE        = (1 << 6),
-	TT_FL_RIGHT	  = (1 << 7),
-	TT_FL_STRICTWIDTH = (1 << 8)
+	TT_FL_TRUNC       = (1 << 5),	/* truncate fields data if necessary */
+	TT_FL_TREE        = (1 << 6),	/* use tree "ascii art" */
+	TT_FL_RIGHT	  = (1 << 7),	/* align to the right */
+	TT_FL_STRICTWIDTH = (1 << 8),	/* don't reduce width if column is empty */
+	TT_FL_NOEXTREMES  = (1 << 9)    /* ignore extreme fields when count column width*/
 };
 
 struct tt {
@@ -46,10 +47,13 @@ struct tt_column {
 	size_t	seqnum;
 
 	size_t	width;		/* real column width */
-	size_t	width_min;	/* minimal width (width of header) */
+	size_t	width_min;	/* minimal width (usually header width) */
+	size_t  width_max;	/* maximal width */
+	size_t  width_avg;	/* average width, used to detect extreme fields */
 	double	width_hint;	/* hint (N < 1 is in percent of termwidth) */
 
 	int	flags;
+	int	is_extreme;
 
 	struct list_head	cl_columns;
 };