From 3369958525bd301cd3887dd55c354593d07fba54 Mon Sep 17 00:00:00 2001
From: Ell <ell_se@yahoo.com>
Date: Thu, 25 Apr 2019 09:51:38 -0400
Subject: [PATCH] app: increase GimpSelectionTools idle priority to avoid
 flickering

In gimp_selection_tool_start_change(), increase the priority of the
idle source used for hiding the selection so that it's run before
the canvas is redrawn, to avoid flickering the previous selection.
---
 app/tools/gimpselectiontool.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/app/tools/gimpselectiontool.c b/app/tools/gimpselectiontool.c
index 018534261c..45192e0799 100644
--- a/app/tools/gimpselectiontool.c
+++ b/app/tools/gimpselectiontool.c
@@ -708,9 +708,10 @@ gimp_selection_tool_start_change (GimpSelectionTool *sel_tool,
            * restarting the selection if we don't visit the main loop between
            * the start_change() and end_change() calls.
            */
-          sel_tool->idle_id = g_idle_add (
+          sel_tool->idle_id = g_idle_add_full (
+            G_PRIORITY_HIGH_IDLE,
             (GSourceFunc) gimp_selection_tool_idle,
-            sel_tool);
+            sel_tool, NULL);
         }
     }