From 4830bd633f6238c11e5d95d83dc0bb35cc4143cb Mon Sep 17 00:00:00 2001
From: Paul Davis <paul@linuxaudiosystems.com>
Date: Mon, 4 Mar 2013 18:19:05 +0000
Subject: [PATCH] fix display of splash screen (at least on X11)

git-svn-id: svn://localhost/ardour2/branches/3.0@14134 d708f5d6-7413-0410-9779-e7cbd77b26cf
---
 gtk2_ardour/splash.cc | 19 ++++++++++++++++---
 gtk2_ardour/splash.h  |  3 ++-
 2 files changed, 18 insertions(+), 4 deletions(-)

diff --git a/gtk2_ardour/splash.cc b/gtk2_ardour/splash.cc
index 941350646d..0922ec75ba 100644
--- a/gtk2_ardour/splash.cc
+++ b/gtk2_ardour/splash.cc
@@ -83,6 +83,7 @@ Splash::Splash ()
 	the_splash = this;
 
         expose_done = false;
+        expose_is_the_one = false;
 
 	ARDOUR::BootMessage.connect (msg_connection, invalidator (*this), boost::bind (&Splash::boot_message, this, _1), gui_context());
 }
@@ -151,8 +152,10 @@ Splash::expose (GdkEventExpose* ev)
 	/* this must execute AFTER the GDK idle update mechanism 
 	 */
        
-	Glib::signal_idle().connect (sigc::mem_fun (this, &Splash::idle_after_expose),
-				     GDK_PRIORITY_REDRAW+2);
+	if (expose_is_the_one) {
+		Glib::signal_idle().connect (sigc::mem_fun (this, &Splash::idle_after_expose),
+					     GDK_PRIORITY_REDRAW+2);
+	}
 
 	return true;
 }
@@ -177,7 +180,8 @@ Splash::display ()
 	
 	if (!was_mapped) {
 		expose_done = false;
-	}
+		expose_is_the_one = false;
+	} 
 
 	pop_front ();
 	present ();
@@ -186,6 +190,7 @@ Splash::display ()
 		while (!expose_done) {
 			gtk_main_iteration ();
 		}
+		gdk_display_flush (gdk_display_get_default());
 	}
 }
 
@@ -211,5 +216,13 @@ Splash::message (const string& msg)
                 while (!expose_done) {
                         gtk_main_iteration ();
                 }
+		gdk_display_flush (gdk_display_get_default());
 	}
 }
+
+bool
+Splash::on_map_event (GdkEventAny* ev)
+{
+	expose_is_the_one = true;
+	return Window::on_map_event (ev);
+}
diff --git a/gtk2_ardour/splash.h b/gtk2_ardour/splash.h
index 536d7f30f1..1843d00c93 100644
--- a/gtk2_ardour/splash.h
+++ b/gtk2_ardour/splash.h
@@ -45,7 +45,7 @@ class Splash : public Gtk::Window
 	bool expose (GdkEventExpose*);
 	bool on_button_release_event (GdkEventButton*);
 	void on_realize ();
-
+        bool on_map_event (GdkEventAny*);
 	void message (const std::string& msg);
 
   private:
@@ -59,6 +59,7 @@ class Splash : public Gtk::Window
 	PBD::ScopedConnection msg_connection;
 
         bool expose_done;
+        bool expose_is_the_one;
         bool idle_after_expose ();
 };