[gtk+] gtk: Stop using gdk_event_get_screen

[Matthias Clasen <matthiasc src gnome org>]

commit f63d01b7820b35226cdef20fe57cf0d37c7bde98
Author: Matthias Clasen <mclasen redhat com>
Date:   Mon Oct 30 22:15:57 2017 -0400

    gtk: Stop using gdk_event_get_screen
    
    Use gdk_event_get_display instead.

 gtk/gtkdnd.c  |    4 ++--
 gtk/gtkmenu.c |    6 +-----
 2 files changed, 3 insertions(+), 7 deletions(-)
---
diff --git a/gtk/gtkdnd.c b/gtk/gtkdnd.c
index 935cc22..62f93c3 100644
--- a/gtk/gtkdnd.c
+++ b/gtk/gtkdnd.c
@@ -1348,7 +1348,7 @@ gtk_drag_begin_internal (GtkWidget          *widget,
   info->destroy_icon = FALSE;
 
   if (event)
-    info->cur_screen = gdk_event_get_screen (event);
+    info->cur_screen = gdk_display_get_default_screen (gdk_event_get_display (event));
   else
     gdk_device_get_position (pointer, &info->cur_screen, NULL, NULL);
 
@@ -2279,7 +2279,7 @@ gtk_drag_motion_cb (GtkWidget      *widget,
   double x_root, y_root;
 
   gdk_event_get_root_coords ((GdkEvent *)event, &x_root, &y_root);
-  screen = gdk_event_get_screen ((GdkEvent *)event);
+  screen = gdk_display_get_default_screen (gdk_event_get_display ((GdkEvent *)event));
 
   gtk_drag_update (info, screen, (int)x_root, (int)y_root, (GdkEvent *) event);
 
diff --git a/gtk/gtkmenu.c b/gtk/gtkmenu.c
index 3092d61..ad61884 100644
--- a/gtk/gtkmenu.c
+++ b/gtk/gtkmenu.c
@@ -1883,7 +1883,6 @@ get_device_for_event (const GdkEvent *event)
 {
   GdkDevice *device = NULL;
   GdkSeat *seat = NULL;
-  GdkScreen *screen = NULL;
   GdkDisplay *display = NULL;
 
   device = gdk_event_get_device (event);
@@ -1895,10 +1894,7 @@ get_device_for_event (const GdkEvent *event)
 
   if (!seat)
     {
-      screen = gdk_event_get_screen (event);
-
-      if (screen)
-        display = gdk_screen_get_display (screen);
+      display = gdk_event_get_display (event);
 
       if (!display)
         {