# HG changeset patch
# User Bram Moolenaar <Bram@vim.org>
# Date 1634650205 -7200
# Node ID 2fafae9c79e8626357b7b9ccbc089528118f6197
# Parent  990958e8c3a2f41f1ee746c6d4a5a3f0a2b1ef5b
patch 8.2.3539: GTK3: with 'rightleft' set scrollbar may move unintentionally

Commit: https://github.com/vim/vim/commit/604e207e277767a67cbf4a6a179080efb830b9e7
Author: Bram Moolenaar <Bram@vim.org>
Date:   Tue Oct 19 14:22:03 2021 +0100

    patch 8.2.3539: GTK3: with 'rightleft' set scrollbar may move unintentionally

    Problem:    GTK3: with 'rightleft' set scrollbar may move unintentionally.
    Solution:   Ignore events while moving the scrollbar thumb. (closes https://github.com/vim/vim/issues/8958)

diff --git a/src/gui_gtk.c b/src/gui_gtk.c
--- a/src/gui_gtk.c
+++ b/src/gui_gtk.c
@@ -1011,6 +1011,9 @@ gui_mch_set_scrollbar_thumb(scrollbar_T 
     {
 	GtkAdjustment *adjustment;
 
+	// ignore events triggered by moving the thumb (happens in GTK 3)
+	++hold_gui_events;
+
 	adjustment = gtk_range_get_adjustment(GTK_RANGE(sb->id));
 
 	gtk_adjustment_set_lower(adjustment, 0.0);
@@ -1023,6 +1026,8 @@ gui_mch_set_scrollbar_thumb(scrollbar_T 
 
 	g_signal_handler_block(G_OBJECT(adjustment), (gulong)sb->handler_id);
 
+	--hold_gui_events;
+
 #if !GTK_CHECK_VERSION(3,18,0)
 	gtk_adjustment_changed(adjustment);
 #endif
diff --git a/src/version.c b/src/version.c
--- a/src/version.c
+++ b/src/version.c
@@ -758,6 +758,8 @@ static char *(features[]) =
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    3539,
+/**/
     3538,
 /**/
     3537,