From e1b834a2bf684ac4a7d4b33fbf216d65896889c6 Mon Sep 17 00:00:00 2001
From: liuyi92 <liuyi19920905@gmail.com>
Date: Wed, 28 Mar 2018 14:21:43 +0800
Subject: [PATCH] fix setting transparency issue when used in GNOME3

---
 src/terminal-screen.c | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)

diff --git a/src/terminal-screen.c b/src/terminal-screen.c
index 73fa9ae..746a53d 100644
--- a/src/terminal-screen.c
+++ b/src/terminal-screen.c
@@ -1138,6 +1138,25 @@ update_color_scheme (TerminalScreen *screen)
 	if (bold_rgba)
 		vte_terminal_set_color_bold (VTE_TERMINAL (screen),
 		                             bold_rgba);
+
+	/* In case of being used in GNOME3 desktop environment.
+	 * code references to gnome-terminal
+	 */
+	if (bg_type == TERMINAL_BACKGROUND_TRANSPARENT)
+	{
+		/* toplevel widget */
+		GtkWidget *toplevel;
+		toplevel = gtk_widget_get_toplevel (GTK_WIDGET (screen));
+		if (toplevel != NULL && gtk_widget_is_toplevel (toplevel) 
+			     && !gtk_widget_get_app_paintable (toplevel))
+		{
+			gtk_widget_set_app_paintable (toplevel, TRUE);
+			/* The opaque region of the toplevel isn't updated until the toplevel is allocated;
+			 * set_app_paintable() doesn't force an allocation, so do that manually.
+			 */
+			gtk_widget_queue_resize (toplevel);
+		}
+	}
 }
 
 void
-- 
2.13.6