Abbreviate the view reference in the view title for small widths

diff --git a/tig.c b/tig.c
index 8a796fd..de85ca1 100644 (file)
--- a/tig.c
+++ b/tig.c
@@ -1316,21 +1316,18 @@ static void
 update_view_title(struct view *view)
 {
        char buf[SIZEOF_STR];
-       size_t bufpos = 0;
+       char state[SIZEOF_STR];
+       size_t bufpos = 0, statelen = 0;
 
        assert(view_is_displayed(view));
 
-       string_format_from(buf, &bufpos, "[%s]", view->name);
-       if (*view->ref)
-               string_format_from(buf, &bufpos, " %s", view->ref);
-
        if (view->lines || view->pipe) {
                unsigned int view_lines = view->offset + view->height;
                unsigned int lines = view->lines
                                   ? MIN(view_lines, view->lines) * 100 / view->lines
                                   : 0;
 
-               string_format_from(buf, &bufpos, " - %s %d of %d (%d%%)",
+               string_format_from(state, &statelen, "- %s %d of %d (%d%%)",
                                   view->ops->type,
                                   view->lineno + 1,
                                   view->lines,
@@ -1341,10 +1338,24 @@ update_view_title(struct view *view)
 
                        /* Three git seconds are a long time ... */
                        if (secs > 2)
-                               string_format_from(buf, &bufpos, " %lds", secs);
+                               string_format_from(state, &statelen, " %lds", secs);
                }
        }
 
+       string_format_from(buf, &bufpos, "[%s]", view->name);
+       if (*view->ref && bufpos < view->width) {
+               size_t refsize = strlen(view->ref);
+               size_t minsize = bufpos + 1 + /* abbrev= */ 7 + 1 + statelen;
+
+               if (minsize < view->width)
+                       refsize = view->width - minsize + 7;
+               string_format_from(buf, &bufpos, " %.*s", refsize, view->ref);
+       }
+
+       if (statelen && bufpos < view->width) {
+               string_format_from(buf, &bufpos, " %s", state);
+       }
+
        if (view == display[current_view])
                wbkgdset(view->title, get_line_attr(LINE_TITLE_FOCUS));
        else