From a77c12af47a9ed94b5c38d4a762bb287bfadda93 Mon Sep 17 00:00:00 2001
From: John Darrington <john@darrington.wattle.id.au>
Date: Wed, 27 Oct 2010 13:13:19 +0200
Subject: [PATCH] Make ascii driver's length and width parameters fit the
terminal.
If the driver's output is a tty, then handle SIGWINCH to adjust
the length and width according to the size of the terminal.
---
src/output/ascii.c | 22 ++++++++++++++++++++++
1 file changed, 22 insertions(+)
diff --git a/src/output/ascii.c b/src/output/ascii.c
index c9f96b21b5..8b48d9bdd5 100644
--- a/src/output/ascii.c
+++ b/src/output/ascii.c
@@ -21,6 +21,8 @@
#include <limits.h>
#include <stdint.h>
#include <stdlib.h>
+#include <signal.h>
+#include <unistd.h>
#include "data/file-name.h"
#include "data/settings.h"
@@ -786,6 +788,14 @@ ascii_layout_cell (struct ascii_driver *a, const struct table_cell *cell,
/* ascii_close_page () and support routines. */
+static struct ascii_driver *the_driver;
+
+static void
+winch_handler (int signum UNUSED)
+{
+ update_page_size (the_driver, false);
+}
+
static bool
ascii_open_page (struct ascii_driver *a)
{
@@ -799,6 +809,18 @@ ascii_open_page (struct ascii_driver *a)
a->file = fn_open (a->file_name, a->append ? "a" : "w");
if (a->file != NULL)
{
+ if ( isatty (fileno (a->file)))
+ {
+ struct sigaction action;
+ sigemptyset (&action.sa_mask);
+ action.sa_flags = 0;
+ action.sa_handler = winch_handler;
+ the_driver = a;
+ a->auto_width = true;
+ a->auto_length = true;
+ sigaction (SIGWINCH, &action, NULL);
+ }
+
if (a->init != NULL)
fputs (a->init, a->file);
}
--
2.30.2