From: Bram Moolenaar <Bram@vim.org>
Date: Tue, 19 Oct 2021 13:22:03 +0000 (+0100)
Subject: patch 8.2.3539: GTK3: with 'rightleft' set scrollbar may move unintentionally
X-Git-Tag: v8.2.3539
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=604e207e277767a67cbf4a6a179080efb830b9e7;p=vim

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 #8958)
---

diff --git a/src/gui_gtk.c b/src/gui_gtk.c
index 79a1ac3d8..2ea7a5e02 100644
--- a/src/gui_gtk.c
+++ b/src/gui_gtk.c
@@ -1011,6 +1011,9 @@ gui_mch_set_scrollbar_thumb(scrollbar_T *sb, long val, long size, long max)
     {
 	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 *sb, long val, long size, long max)
 
 	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
index 2a3e08dc6..28a70fd39 100644
--- a/src/version.c
+++ b/src/version.c
@@ -757,6 +757,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    3539,
 /**/
     3538,
 /**/