commit a4df834a92535cf124afd1c3b711b4a7109e3534
author Bram Moolenaar <Bram@vim.org> Sun Mar 20 15:43:01 2022 +0000
committer Bram Moolenaar <Bram@vim.org> Sun Mar 20 15:43:01 2022 +0000
tree c32815382c16c9665ef06cb2cabf6a0dfde77752
parent 7e0be3ea211748a77d32cb1d3d35ecfc246cf0f2

patch 8.2.4599: GTK: get assertion errors when scrolling a split window

Problem:    GTK: get assertion errors when scrolling a split window.
Solution:   Use GDK_IS_DRAWABLE() on the scrollbar window. (closes #9982)

src/gui_gtk.c

diff --git a/src/gui_gtk.c b/src/gui_gtk.c
index 08290a5..0b98fd4 100644
--- a/src/gui_gtk.c
+++ b/src/gui_gtk.c
@@ -1107,7 +1107,7 @@
     {
 	dragging = TRUE;
 
-	if (sb->wp != NULL)
+	if (sb->wp != NULL && GDK_IS_DRAWABLE(sb->id->window))
 	{
 	    int			x;
 	    int			y;

src/version.c

diff --git a/src/version.c b/src/version.c
index 1e02a58..0a6c036 100644
--- a/src/version.c
+++ b/src/version.c
@@ -751,6 +751,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    4599,
+/**/
     4598,
 /**/
     4597,