commit 3194e5bf87f8e08f519b947a03c46677616cd7e3
author Bram Moolenaar <Bram@vim.org> Mon Dec 13 21:59:09 2021 +0000
committer Bram Moolenaar <Bram@vim.org> Mon Dec 13 21:59:09 2021 +0000
tree 6d90217b81ec8a60b93249d26a09d25b9bed4cd0
parent 6840a0ffe8d27a8773a500ba17550cdf2ad12cbc

patch 8.2.3801: if a terminal shows in two windows, only one is redrawn

Problem:    If a terminal shows in two windows, only one is redrawn.
Solution:   Reset the dirty row range only after redrawing all windows.
            (closes #9341)

src/terminal.c

diff --git a/src/terminal.c b/src/terminal.c
index f584200..f8dc219 100644
--- a/src/terminal.c
+++ b/src/terminal.c
@@ -3850,8 +3850,22 @@
 #endif
 				0);
     }
-    term->tl_dirty_row_start = MAX_ROW;
-    term->tl_dirty_row_end = 0;
+}
+
+/*
+ * Called after updating all windows: may reset dirty rows.
+ */
+    void
+term_did_update_window(win_T *wp)
+{
+    term_T	*term = wp->w_buffer->b_term;
+
+    if (term != NULL && term->tl_vterm != NULL && !term->tl_normal_mode
+						       && wp->w_redr_type == 0)
+    {
+	term->tl_dirty_row_start = MAX_ROW;
+	term->tl_dirty_row_end = 0;
+    }
 }
 
 /*