[gtk+] GdkDisplay: Add a private _emit_opened

[Timm Bäder <baedert src gnome org>]

commit 63eb3517be7b812759ecc663b667432532174ffe
Author: Timm Bäder <mail baedert org>
Date:   Sun Oct 8 17:38:38 2017 +0200

    GdkDisplay: Add a private _emit_opened
    
    So we don't have to use the slower g_signal_emit_by_name in startup
    paths.

 gdk/gdkdisplay.c                 |    6 ++++++
 gdk/gdkdisplayprivate.h          |    1 +
 gdk/wayland/gdkdisplay-wayland.c |    2 +-
 gdk/x11/gdkdisplay-x11.c         |    3 ++-
 4 files changed, 10 insertions(+), 2 deletions(-)
---
diff --git a/gdk/gdkdisplay.c b/gdk/gdkdisplay.c
index 6d45b07..5e75773 100644
--- a/gdk/gdkdisplay.c
+++ b/gdk/gdkdisplay.c
@@ -2217,3 +2217,9 @@ gdk_display_monitor_removed (GdkDisplay *display,
   g_signal_emit (display, signals[MONITOR_REMOVED], 0, monitor);
   gdk_monitor_invalidate (monitor);
 }
+
+void
+gdk_display_emit_opened (GdkDisplay *display)
+{
+  g_signal_emit (display, signals[OPENED], 0);
+}
diff --git a/gdk/gdkdisplayprivate.h b/gdk/gdkdisplayprivate.h
index a0d9dc2..cd3ef34 100644
--- a/gdk/gdkdisplayprivate.h
+++ b/gdk/gdkdisplayprivate.h
@@ -301,6 +301,7 @@ void                gdk_display_monitor_added         (GdkDisplay       *display
                                                        GdkMonitor       *monitor);
 void                gdk_display_monitor_removed       (GdkDisplay       *display,
                                                        GdkMonitor       *monitor);
+void                gdk_display_emit_opened           (GdkDisplay       *display);
 
 G_END_DECLS
 
diff --git a/gdk/wayland/gdkdisplay-wayland.c b/gdk/wayland/gdkdisplay-wayland.c
index 31e1935..2154e51 100644
--- a/gdk/wayland/gdkdisplay-wayland.c
+++ b/gdk/wayland/gdkdisplay-wayland.c
@@ -584,7 +584,7 @@ _gdk_wayland_display_open (const gchar *display_name)
 
   display_wayland->selection = gdk_wayland_selection_new ();
 
-  g_signal_emit_by_name (display, "opened");
+  gdk_display_emit_opened (display);
 
   return display;
 }
diff --git a/gdk/x11/gdkdisplay-x11.c b/gdk/x11/gdkdisplay-x11.c
index 74c0ecf..cc34d8c 100644
--- a/gdk/x11/gdkdisplay-x11.c
+++ b/gdk/x11/gdkdisplay-x11.c
@@ -42,6 +42,7 @@
 #include "gdkglcontext-x11.h"
 #include "gdkvulkancontext-x11.h"
 #include "gdk-private.h"
+#include "gdkdisplayprivate.h"
 
 #include <glib.h>
 #include <glib/gprintf.h>
@@ -1780,7 +1781,7 @@ _gdk_x11_display_open (const gchar *display_name)
   gdk_display_set_composited (GDK_DISPLAY (display),
                               XGetSelectionOwner (GDK_DISPLAY_XDISPLAY (display), get_cm_atom (display)) != 
None);
 
-  g_signal_emit_by_name (display, "opened");
+  gdk_display_emit_opened (display);
 
   return display;
 }