efl_ui_focus_util: add a util class

the util class is for common code that is just added again and again.

src/Makefile_Elementary.am

@@ -46,6 +46,7 @@ elm_public_eolian_files = \
 	lib/elementary/efl_ui_focus_user.eo \
 	lib/elementary/efl_ui_focus_layer.eo \
 	lib/elementary/efl_ui_focus_composition.eo \
+	lib/elementary/efl_ui_focus_util.eo \
 	lib/elementary/efl_ui_button_part.eo \
 	lib/elementary/efl_ui_flip_part.eo \
 	lib/elementary/efl_ui_layout_part.eo \
@@ -703,6 +704,7 @@ lib_elementary_libelementary_la_SOURCES = \
 	lib/elementary/efl_ui_focus_parent_provider.c \
 	lib/elementary/efl_ui_focus_parent_provider_standard.c \
 	lib/elementary/efl_ui_focus_parent_provider_gen.c \
+	lib/elementary/efl_ui_focus_util.c \
 	lib/elementary/elm_widget_item_static_focus.c \
 	$(NULL)
 

src/lib/elementary/Elementary.h

@@ -144,6 +144,7 @@ EAPI extern Elm_Version *elm_version;
 # include "efl_ui_focus_manager_sub.eo.h"
 # include "efl_ui_focus_manager_root_focus.eo.h"
 # include "efl_ui_focus_user.eo.h"
+# include "efl_ui_focus_util.eo.h"
 # include <efl_ui_textpath.eo.h>
 # include <efl_ui_translatable.eo.h>
 # include <efl_ui_focus_composition.eo.h>

src/lib/elementary/efl_ui_focus_util.c

@@ -0,0 +1,42 @@
+#ifdef HAVE_CONFIG_H
+# include "elementary_config.h"
+#endif
+
+#include <Elementary.h>
+#include "elm_priv.h"
+
+typedef struct {
+
+} Efl_Ui_Focus_Util_Data;
+
+static void
+_manager_changed(void *data, const Efl_Event *event EINA_UNUSED)
+{
+   efl_ui_focus_util_focus(EFL_UI_FOCUS_UTIL_CLASS, data);
+}
+
+EOLIAN static void
+_efl_ui_focus_util_focus(Eo *obj EINA_UNUSED, void *pd EINA_UNUSED, Efl_Ui_Focus_User *user)
+{
+   Elm_Widget *top, *o;
+   Efl_Ui_Focus_Manager *m;
+   m = efl_ui_focus_user_manager_get(user);
+
+   top = elm_widget_top_get(user);
+
+   o = efl_key_data_get(top, "__delayed_focus_set");
+   efl_event_callback_del(o, EFL_UI_FOCUS_USER_EVENT_MANAGER_CHANGED, _manager_changed, o);
+   efl_key_data_set(top, "__delayed_focus_set", NULL);
+
+   if (!m)
+     {
+        //delayed focusung
+        efl_key_data_set(top, "__delayed_focus_set", user);
+        efl_event_callback_add(user, EFL_UI_FOCUS_USER_EVENT_MANAGER_CHANGED, _manager_changed, user);
+        return;
+     }
+
+   efl_ui_focus_manager_focus_set(m, user);
+}
+
+#include "efl_ui_focus_util.eo.c"

src/lib/elementary/efl_ui_focus_util.eo

@@ -0,0 +1,9 @@
+class Efl.Ui.Focus.Util(Efl.Object) {
+   methods {
+      focus @class {
+         params {
+            focus_elem : Efl.Ui.Focus.Object;
+         }
+      }
+   }
+}