patch 9.0.0245: mechanism to prevent recursive screen updating is incomplete
Problem: Mechanism to prevent recursive screen updating is incomplete.
Solution: Add "redraw_not_allowed" and set it in build_stl_str_hl().
(issue #10952)
diff --git a/src/drawscreen.c b/src/drawscreen.c
index 9e8d9ee..a9b3643 100644
--- a/src/drawscreen.c
+++ b/src/drawscreen.c
@@ -3154,7 +3154,7 @@
win_T *wp,
int type)
{
- if (!exiting && wp->w_redr_type < type)
+ if (!exiting && !redraw_not_allowed && wp->w_redr_type < type)
{
wp->w_redr_type = type;
if (type >= UPD_NOT_VALID)
@@ -3186,7 +3186,17 @@
FOR_ALL_WINDOWS(wp)
redraw_win_later(wp, type);
// This may be needed when switching tabs.
- if (must_redraw < type)
+ set_must_redraw(type);
+}
+
+/*
+ * Set "must_redraw" to "type" unless it already has a higher value
+ * or it is currently not allowed.
+ */
+ void
+set_must_redraw(int type)
+{
+ if (!redraw_not_allowed && must_redraw < type)
must_redraw = type;
}