From 4179176ce8de04bf9970777c98804d7e45830b4c Mon Sep 17 00:00:00 2001
From: Rafostar <40623528+Rafostar@users.noreply.github.com>
Date: Sun, 2 May 2021 15:51:14 +0200
Subject: [PATCH] Sink: queue render on GTK settings change

We have turned off auto rendering in video widget, hence we need to manually refresh when user changes some GTK settings (theme, icons etc.)
---
 lib/gst/clapper/gtk4/gtkclapperglwidget.c | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/lib/gst/clapper/gtk4/gtkclapperglwidget.c b/lib/gst/clapper/gtk4/gtkclapperglwidget.c
index 0504d617..5f37def0 100644
--- a/lib/gst/clapper/gtk4/gtkclapperglwidget.c
+++ b/lib/gst/clapper/gtk4/gtkclapperglwidget.c
@@ -463,6 +463,13 @@ gtk_clapper_gl_widget_motion_event (GtkEventControllerMotion * motion_controller
   return FALSE;
 }
 
+static void
+gtk_clapper_gl_widget_settings_changed (GtkGLArea * glarea)
+{
+  GST_DEBUG ("GTK settings changed, queued render");
+  gtk_gl_area_queue_render (glarea);
+}
+
 static void
 gtk_clapper_gl_widget_bind_buffer (GtkClapperGLWidget * clapper_widget)
 {
@@ -1014,6 +1021,9 @@ gtk_clapper_gl_widget_init (GtkClapperGLWidget * clapper_widget)
   GST_INFO ("Created %" GST_PTR_FORMAT, priv->display);
 
   gtk_gl_area_set_auto_render (GTK_GL_AREA (widget), FALSE);
+
+  g_signal_connect_swapped (gtk_widget_get_settings (widget), "notify",
+      G_CALLBACK (gtk_clapper_gl_widget_settings_changed), GTK_GL_AREA (widget));
 }
 
 GtkWidget *