[mutter] data-device: Don't poke into MetaWaylandKeyboard

[Jasper St. Pierre <jstpierre src gnome org>]

commit 2bcd4ab15947b224bb09482aa8afd87cc7e0dcd1
Author: Jasper St. Pierre <jstpierre mecheye net>
Date:   Wed Apr 16 15:20:07 2014 -0400

    data-device: Don't poke into MetaWaylandKeyboard
    
    It needs to know the wl_client that has keyboard focus, so add a simple
    getter for that.

 src/wayland/meta-wayland-data-device.c |   32 +++++++++++++-------------------
 src/wayland/meta-wayland-keyboard.c    |    8 ++++++++
 src/wayland/meta-wayland-keyboard.h    |    3 +++
 3 files changed, 24 insertions(+), 19 deletions(-)
---
diff --git a/src/wayland/meta-wayland-data-device.c b/src/wayland/meta-wayland-data-device.c
index c454761..46f9a40 100644
--- a/src/wayland/meta-wayland-data-device.c
+++ b/src/wayland/meta-wayland-data-device.c
@@ -360,17 +360,14 @@ destroy_selection_data_source (struct wl_listener *listener, void *data)
   MetaWaylandSeat *seat =
     wl_container_of (listener, seat, selection_data_source_listener);
   struct wl_resource *data_device;
-  struct wl_resource *focus = NULL;
+  struct wl_client *focus_client = NULL;
 
   seat->selection_data_source = NULL;
 
-  focus = seat->keyboard.focus_resource;
-
-  if (focus)
+  focus_client = meta_wayland_keyboard_get_focus_client (&seat->keyboard);
+  if (focus_client)
     {
-      data_device =
-        wl_resource_find_for_client (&seat->data_device_resource_list,
-                                     wl_resource_get_client (focus));
+      data_device = wl_resource_find_for_client (&seat->data_device_resource_list, focus_client);
       if (data_device)
         wl_data_device_send_selection (data_device, NULL);
     }
@@ -382,7 +379,7 @@ meta_wayland_seat_set_selection (MetaWaylandSeat *seat,
                                  guint32 serial)
 {
   struct wl_resource *data_device, *offer;
-  struct wl_resource *focus = NULL;
+  struct wl_client *focus_client;
 
   if (seat->selection_data_source &&
       seat->selection_serial - serial < UINT32_MAX / 2)
@@ -398,13 +395,10 @@ meta_wayland_seat_set_selection (MetaWaylandSeat *seat,
   seat->selection_data_source = source;
   seat->selection_serial = serial;
 
-  focus = seat->keyboard.focus_resource;
-
-  if (focus)
+  focus_client = meta_wayland_keyboard_get_focus_client (&seat->keyboard);
+  if (focus_client)
     {
-      data_device =
-        wl_resource_find_for_client (&seat->data_device_resource_list,
-                                     wl_resource_get_client (focus));
+      data_device = wl_resource_find_for_client (&seat->data_device_resource_list, focus_client);
       if (data_device && source)
         {
           offer =
@@ -515,15 +509,15 @@ bind_manager (struct wl_client *client,
 void
 meta_wayland_data_device_set_keyboard_focus (MetaWaylandSeat *seat)
 {
-  struct wl_resource *data_device, *focus, *offer;
+  struct wl_client *focus_client;
+  struct wl_resource *data_device, *offer;
   MetaWaylandDataSource *source;
 
-  focus = seat->keyboard.focus_resource;
-  if (!focus)
+  focus_client = meta_wayland_keyboard_get_focus_client (&seat->keyboard);
+  if (!focus_client)
     return;
 
-  data_device = wl_resource_find_for_client (&seat->data_device_resource_list,
-                                             wl_resource_get_client (focus));
+  data_device = wl_resource_find_for_client (&seat->data_device_resource_list, focus_client);
   if (!data_device)
     return;
 
diff --git a/src/wayland/meta-wayland-keyboard.c b/src/wayland/meta-wayland-keyboard.c
index 5aac8fb..302b579 100644
--- a/src/wayland/meta-wayland-keyboard.c
+++ b/src/wayland/meta-wayland-keyboard.c
@@ -532,3 +532,11 @@ meta_wayland_keyboard_set_keymap_names (MetaWaylandKeyboard *keyboard,
                                     flags);
 }
 
+struct wl_client *
+meta_wayland_keyboard_get_focus_client (MetaWaylandKeyboard *keyboard)
+{
+  if (keyboard->focus_surface)
+    return wl_resource_get_client (keyboard->focus_surface->resource);
+  else
+    return NULL;
+}
diff --git a/src/wayland/meta-wayland-keyboard.h b/src/wayland/meta-wayland-keyboard.h
index 13fbf0a..d2c71ff 100644
--- a/src/wayland/meta-wayland-keyboard.h
+++ b/src/wayland/meta-wayland-keyboard.h
@@ -140,4 +140,7 @@ void
 meta_wayland_keyboard_update (MetaWaylandKeyboard *keyboard,
                               const ClutterKeyEvent *event);
 
+struct wl_client *
+meta_wayland_keyboard_get_focus_client (MetaWaylandKeyboard *keyboard);
+
 #endif /* __META_WAYLAND_KEYBOARD_H__ */