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From 00e609146a029c2cb010f7a617c77cddcdbf1513 Mon Sep 17 00:00:00 2001
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From: =?UTF-8?q?Caol=C3=A1n=20McNamara?= <caolanm@redhat.com>
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Date: Thu, 7 Sep 2017 16:47:04 +0100
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Subject: [PATCH] tdf#110737 set user-events to a lower priority than system
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redraw
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Change-Id: Ic6672fcce4cb5516d388fee22120383ccc70a4a5
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---
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vcl/unx/gtk3/gtk3gtkdata.cxx | 5 ++++-
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1 file changed, 4 insertions(+), 1 deletion(-)
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diff --git a/vcl/unx/gtk3/gtk3gtkdata.cxx b/vcl/unx/gtk3/gtk3gtkdata.cxx
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index b2c298b..5b043e8 100644
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--- a/vcl/unx/gtk3/gtk3gtkdata.cxx
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+++ b/vcl/unx/gtk3/gtk3gtkdata.cxx
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@@ -839,7 +839,10 @@ void GtkData::PostUserEvent()
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else // nothing pending anyway
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{
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m_pUserEvent = g_idle_source_new();
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- g_source_set_priority (m_pUserEvent, G_PRIORITY_HIGH);
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+ // tdf#110737 set user-events to a lower priority than system redraw
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+ // events, which is G_PRIORITY_HIGH_IDLE + 20, so presentations
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+ // queue-redraw has a chance to be fulfilled
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+ g_source_set_priority (m_pUserEvent, G_PRIORITY_HIGH_IDLE + 30);
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g_source_set_can_recurse (m_pUserEvent, TRUE);
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g_source_set_callback (m_pUserEvent, call_userEventFn,
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static_cast<gpointer>(this), nullptr);
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--
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2.9.4
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