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authorKarel Zak2013-11-22 14:06:44 +0100
committerKarel Zak2014-03-11 11:35:12 +0100
commit735822963753884202a3a020121c9289752b8306 (patch)
treef7a983eb5116a398add7f78c3ff0a0e5db4880a4
parentlib/tt: add TT_FL_MAX to fill screen (diff)
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lib/tt: add reduce term width functionality
Signed-off-by: Karel Zak <kzak@redhat.com>
-rw-r--r--include/tt.h2
-rw-r--r--lib/tt.c13
2 files changed, 15 insertions, 0 deletions
diff --git a/include/tt.h b/include/tt.h
index b1fbf927e..781b953ae 100644
--- a/include/tt.h
+++ b/include/tt.h
@@ -37,6 +37,7 @@ struct tt {
FILE *out; /* output stream */
size_t ncols; /* number of columns */
size_t termwidth; /* terminal width */
+ size_t termreduce; /* reduce the original termwidth */
int is_term; /* is a tty? */
int flags;
int first_run;
@@ -80,6 +81,7 @@ struct tt_line {
extern struct tt *tt_new_table(int flags);
extern int tt_get_flags(struct tt *tb);
extern void tt_set_flags(struct tt *tb, int flags);
+extern void tt_set_termreduce(struct tt *tb, size_t re);
extern void tt_free_table(struct tt *tb);
extern void tt_remove_lines(struct tt *tb);
extern int tt_print_table(struct tt *tb);
diff --git a/lib/tt.c b/lib/tt.c
index b5beb7ad7..3cca4817f 100644
--- a/lib/tt.c
+++ b/lib/tt.c
@@ -239,6 +239,17 @@ void tt_set_stream(struct tt *tb, FILE *out)
tb->out = out;
}
+/*
+ * Reduce terminal size, the final table size will be
+ * termwidth - termreduce.
+ */
+void tt_set_termreduce(struct tt *tb, size_t re)
+{
+ if (!tb)
+ return;
+ tb->termreduce = re;
+}
+
size_t tb_get_nlines(struct tt *tb)
{
struct list_head *p;
@@ -943,6 +954,8 @@ int tt_print_table(struct tt *tb)
tb->termwidth = get_terminal_width();
if (tb->termwidth <= 0)
tb->termwidth = 80;
+
+ tb->termwidth -= tb->termreduce;
}
line_sz = tb->termwidth;