[gtk+] x11: Remove mentions of GDK_WINDOW_ROOT

[Matthias Clasen <matthiasc src gnome org>]

commit 5f73afae3d8d108d05619cce0426da06cd02f77f
Author: Matthias Clasen <mclasen redhat com>
Date:   Mon Nov 13 16:47:50 2017 -0500

    x11: Remove mentions of GDK_WINDOW_ROOT
    
    This backend never creates a window of this type, so no
    need to check for it anymore.

 gdk/x11/gdkdisplay-x11.c |   12 ++----------
 gdk/x11/gdkwindow-x11.c  |    3 +--
 2 files changed, 3 insertions(+), 12 deletions(-)
---
diff --git a/gdk/x11/gdkdisplay-x11.c b/gdk/x11/gdkdisplay-x11.c
index e2dd382..5a560d6 100644
--- a/gdk/x11/gdkdisplay-x11.c
+++ b/gdk/x11/gdkdisplay-x11.c
@@ -924,15 +924,8 @@ gdk_x11_display_translate_event (GdkEventTranslator *translator,
                           : xevent->xconfigure.event != xevent->xconfigure.window
                           ? " (discarding substructure)"
                           : ""));
-      if (window && GDK_WINDOW_TYPE (window) == GDK_WINDOW_ROOT)
+      if (_gdk_x11_display_is_root_window (display, xevent->xconfigure.window))
         {
-          window_impl->unscaled_width = xevent->xconfigure.width;
-          window_impl->unscaled_height = xevent->xconfigure.height;
-         window->width = (xevent->xconfigure.width + window_impl->window_scale - 1) / 
window_impl->window_scale;
-         window->height = (xevent->xconfigure.height + window_impl->window_scale - 1) / 
window_impl->window_scale;
-
-         _gdk_window_update_size (window);
-         _gdk_x11_window_update_size (window_impl);
          _gdk_x11_screen_size_changed (screen, xevent);
         }
 
@@ -947,8 +940,7 @@ gdk_x11_display_translate_event (GdkEventTranslator *translator,
 
     if (!window ||
          xevent->xconfigure.event != xevent->xconfigure.window ||
-          GDK_WINDOW_TYPE (window) == GDK_WINDOW_CHILD ||
-          GDK_WINDOW_TYPE (window) == GDK_WINDOW_ROOT)
+          GDK_WINDOW_TYPE (window) == GDK_WINDOW_CHILD)
        return_val = FALSE;
       else
        {
diff --git a/gdk/x11/gdkwindow-x11.c b/gdk/x11/gdkwindow-x11.c
index 2371ce5..c91ef8e 100644
--- a/gdk/x11/gdkwindow-x11.c
+++ b/gdk/x11/gdkwindow-x11.c
@@ -902,7 +902,7 @@ _gdk_x11_display_create_window_impl (GdkDisplay    *display,
     {
     case GDK_WINDOW_TOPLEVEL:
     case GDK_WINDOW_TEMP:
-      if (window->parent && GDK_WINDOW_TYPE (window->parent) != GDK_WINDOW_ROOT)
+      if (window->parent)
         {
           /* The common code warns for this case */
           xparent = GDK_SCREEN_XROOTWIN (x11_screen);
@@ -1484,7 +1484,6 @@ gdk_window_x11_hide (GdkWindow *window)
       return;
       
     case GDK_WINDOW_FOREIGN:
-    case GDK_WINDOW_ROOT:
     case GDK_WINDOW_CHILD:
     default:
       break;