From: Bram Moolenaar <Bram@vim.org>
Date: Sun, 16 May 2021 18:18:57 +0000 (+0200)
Subject: patch 8.2.2860: adding a text property causes the whole window to be redawn
X-Git-Tag: v8.2.2860
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=1764faa38645a559172e9a31f08447385835de81;p=vim

patch 8.2.2860: adding a text property causes the whole window to be redawn

Problem:    Adding a text property causes the whole window to be redawn.
Solution:   Use changed_lines_buf() to only redraw the affected lines.
---

diff --git a/src/change.c b/src/change.c
index 50dc10543..248e6d848 100644
--- a/src/change.c
+++ b/src/change.c
@@ -758,7 +758,7 @@ deleted_lines_mark(linenr_T lnum, long count)
 /*
  * Marks the area to be redrawn after a change.
  */
-    static void
+    void
 changed_lines_buf(
     buf_T	*buf,
     linenr_T	lnum,	    // first line with change
diff --git a/src/proto/change.pro b/src/proto/change.pro
index 69ba2a6b0..b1aa9d57e 100644
--- a/src/proto/change.pro
+++ b/src/proto/change.pro
@@ -14,6 +14,7 @@ void appended_lines(linenr_T lnum, long count);
 void appended_lines_mark(linenr_T lnum, long count);
 void deleted_lines(linenr_T lnum, long count);
 void deleted_lines_mark(linenr_T lnum, long count);
+void changed_lines_buf(buf_T *buf, linenr_T lnum, linenr_T lnume, long xtra);
 void changed_lines(linenr_T lnum, colnr_T col, linenr_T lnume, long xtra);
 void unchanged(buf_T *buf, int ff, int always_inc_changedtick);
 void save_file_ff(buf_T *buf);
diff --git a/src/textprop.c b/src/textprop.c
index b62619368..f11e1a394 100644
--- a/src/textprop.c
+++ b/src/textprop.c
@@ -345,7 +345,8 @@ prop_add_common(
     }
 
     buf->b_has_textprop = TRUE;  // this is never reset
-    redraw_buf_later(buf, NOT_VALID);
+    changed_lines_buf(buf, start_lnum, end_lnum + 1, 0);
+    redraw_buf_later(buf, VALID);
 }
 
 /*
diff --git a/src/version.c b/src/version.c
index 6a37ad5ff..cd42c0a7e 100644
--- a/src/version.c
+++ b/src/version.c
@@ -750,6 +750,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    2860,
 /**/
     2859,
 /**/