patch 8.2.2863: removing a text property does not redraw optimally
Problem: Removing a text property does not redraw optimally.
Solution: Only redraw the lines that mithg actually have been changed.
diff --git a/src/textprop.c b/src/textprop.c
index 9a9dddc..bd9a77c 100644
--- a/src/textprop.c
+++ b/src/textprop.c
@@ -815,6 +815,8 @@
linenr_T start = 1;
linenr_T end = 0;
linenr_T lnum;
+ linenr_T first_changed = 0;
+ linenr_T last_changed = 0;
dict_T *dict;
buf_T *buf = curbuf;
int do_all;
@@ -925,6 +927,9 @@
buf->b_ml.ml_line_len -= sizeof(textprop_T);
--idx;
+ if (first_changed == 0)
+ first_changed = lnum;
+ last_changed = lnum;
++rettv->vval.v_number;
if (!do_all)
break;
@@ -932,15 +937,10 @@
}
}
}
- if (rettv->vval.v_number > 0)
+ if (first_changed > 0)
{
- if (start == 1 && end == buf->b_ml.ml_line_count)
- redraw_buf_later(buf, NOT_VALID);
- else
- {
- changed_lines_buf(buf, start, end + 1, 0);
- redraw_buf_later(buf, VALID);
- }
+ changed_lines_buf(buf, first_changed, last_changed + 1, 0);
+ redraw_buf_later(buf, VALID);
}
}