From 7bbc1cbde02f34ce627fbda8a54ab1e0dc343bce Mon Sep 17 00:00:00 2001
From: Matthias Clasen <mclasen@redhat.com>
Date: Thu, 23 Nov 2017 15:25:13 -0500
Subject: [PATCH] widget: Don't use GdkDeviceManager

We can just as well use GdkSeat to enumerate the devices.
---
 gtk/gtkwidget.c | 36 ++++++++++++++----------------------
 1 file changed, 14 insertions(+), 22 deletions(-)

diff --git a/gtk/gtkwidget.c b/gtk/gtkwidget.c
index a4739a9f03..6100ccbddd 100644
--- a/gtk/gtkwidget.c
+++ b/gtk/gtkwidget.c
@@ -10305,27 +10305,22 @@ _gtk_widget_get_device_window (GtkWidget *widget,
 }
 
 static void
-list_devices (GtkWidget        *widget,
-              GdkDeviceManager *device_manager,
-              GdkDeviceType     device_type,
-              GList           **result)
+list_devices (GtkWidget  *widget,
+              GdkSeat    *seat,
+              GList     **result)
 {
   GList *devices;
   GList *l;
 
-  G_GNUC_BEGIN_IGNORE_DEPRECATIONS;
-  devices = gdk_device_manager_list_devices (device_manager, device_type);
-  G_GNUC_END_IGNORE_DEPRECATIONS;
+  *result = g_list_prepend (*result, gdk_seat_get_pointer (seat));
 
+  devices = gdk_seat_get_slaves (seat, GDK_SEAT_CAPABILITY_ALL_POINTING);
   for (l = devices; l; l = l->next)
     {
       GdkDevice *device = l->data;
-      if (gdk_device_get_source (device) != GDK_SOURCE_KEYBOARD)
-        {
-          GdkWindow *window = gdk_device_get_last_event_window (device);
-          if (window && is_my_window (widget, window))
-            *result = g_list_prepend (*result, device);
-        }
+      GdkWindow *window = gdk_device_get_last_event_window (device);
+      if (window && is_my_window (widget, window))
+        *result = g_list_prepend (*result, device);
     }
   g_list_free (devices);
 }
@@ -10342,8 +10337,7 @@ list_devices (GtkWidget        *widget,
 GList *
 _gtk_widget_list_devices (GtkWidget *widget)
 {
-  GdkDisplay *display;
-  GdkDeviceManager *device_manager;
+  GdkSeat *seat;
   GList *result = NULL;
 
   g_return_val_if_fail (GTK_IS_WIDGET (widget), NULL);
@@ -10351,14 +10345,12 @@ _gtk_widget_list_devices (GtkWidget *widget)
   if (!_gtk_widget_get_mapped (widget))
     return NULL;
 
-  G_GNUC_BEGIN_IGNORE_DEPRECATIONS;
-  display = gtk_widget_get_display (widget);
-  device_manager = gdk_display_get_device_manager (display);
-  G_GNUC_END_IGNORE_DEPRECATIONS;
+  seat = gdk_display_get_default_seat (gtk_widget_get_display (widget));
 
-  list_devices (widget, device_manager, GDK_DEVICE_TYPE_MASTER, &result);
-  /* Rare, but we can get events for grabbed slave devices */
-  list_devices (widget, device_manager, GDK_DEVICE_TYPE_SLAVE, &result);
+  result = gdk_seat_get_slaves (seat, GDK_SEAT_CAPABILITY_KEYBOARD);
+  result = g_list_prepend (result, gdk_seat_get_keyboard (seat));
+
+  list_devices (widget, seat, &result);
 
   return result;
 }