From: Olivier Fourdan <ofourdan@redhat.com>
Date: Mon, 30 Mar 2020 14:55:05 +0000 (+0200)
Subject: gdk: add internal `gdk_surface_get_seat_from_event()`
X-Git-Tag: archive/raspbian/4.4.1+ds1-2+rpi1^2~18^2~19^2~8^2~6
X-Git-Url: https://dgit.raspbian.org/?a=commitdiff_plain;h=a07a69e24e7522e53edaa895d4e363a92150eaf4;p=gtk4.git

gdk: add internal `gdk_surface_get_seat_from_event()`

This can come handy to get the seat from a surface/event.
---

diff --git a/gdk/gdkinternals.h b/gdk/gdkinternals.h
index 2af0cf36ca..21f75d7dc5 100644
--- a/gdk/gdkinternals.h
+++ b/gdk/gdkinternals.h
@@ -181,6 +181,8 @@ void gdk_surface_get_unscaled_size (GdkSurface *surface,
                                     int *unscaled_width,
                                     int *unscaled_height);
 gboolean gdk_surface_handle_event (GdkEvent       *event);
+GdkSeat * gdk_surface_get_seat_from_event (GdkSurface *surface,
+                                           GdkEvent    *event);
 
 /*****************************************
  * Interfaces provided by windowing code *
diff --git a/gdk/gdksurface.c b/gdk/gdksurface.c
index 25d6efc7a8..7432a9b348 100644
--- a/gdk/gdksurface.c
+++ b/gdk/gdksurface.c
@@ -3015,3 +3015,22 @@ gdk_surface_translate_coordinates (GdkSurface *from,
 
   return TRUE;
 }
+
+GdkSeat *
+gdk_surface_get_seat_from_event (GdkSurface *surface,
+                                 GdkEvent   *event)
+{
+  if (event)
+    {
+      GdkDevice *device = gdk_event_get_device (event);
+      GdkSeat *seat = NULL;
+
+      device = gdk_event_get_device (event);
+      if (device)
+        seat = gdk_device_get_seat (device);
+
+      if (seat)
+        return seat;
+    }
+  return gdk_display_get_default_seat (surface->display);
+}