Don't forget to flush the bidi cache when the user enables or

disables bidi or shaping, otherwise they'll have to do a manual
screen refresh to see any difference.

git-svn-id: svn://svn.tartarus.org/sgt/putty@4632 cda61777-01e9-0310-a592-d414129be87e

diff --git a/terminal.c b/terminal.c
index 1c10bf0..0de47f9 100644 (file)
--- a/terminal.c
+++ b/terminal.c
@@ -1134,6 +1134,22 @@ void term_reconfig(Terminal *term, Config *cfg)
        if (term->cfg.wordness[i] != cfg->wordness[i])
            reset_charclass = 1;
 
+    /*
+     * If the bidi or shaping settings have changed, flush the bidi
+     * cache completely.
+     */
+    if (term->cfg.arabicshaping != cfg->arabicshaping ||
+       term->cfg.bidi != cfg->bidi) {
+       for (i = 0; i < term->bidi_cache_size; i++) {
+           sfree(term->pre_bidi_cache[i].chars);
+           sfree(term->post_bidi_cache[i].chars);
+           term->pre_bidi_cache[i].width = -1;
+           term->pre_bidi_cache[i].chars = NULL;
+           term->post_bidi_cache[i].width = -1;
+           term->post_bidi_cache[i].chars = NULL;
+       }
+    }
+
     term->cfg = *cfg;                 /* STRUCTURE COPY */
 
     if (reset_wrap)