elm: add unfocus / focus signals to gen* and toolbar

this adds back unfocus / focus emitting when items in those containers
are getting focus.

Differential Revision: https://phab.enlightenment.org/D7100

src/lib/elementary/elm_focus_legacy.c

@@ -340,3 +340,43 @@ elm_object_focus_set(Evas_Object *obj,
         evas_object_focus_set(obj, focus);
      }
 }
+
+//legacy helpers that are used in code
+typedef struct {
+  Eina_Bool focused;
+  Eo *emittee;
+} Legacy_Manager_Focus_State;
+
+static void
+_focus_manager_focused(void *data, const Efl_Event *ev)
+{
+   Legacy_Manager_Focus_State *state = data;
+   Eina_Bool currently_focused = !!efl_ui_focus_manager_focus_get(ev->object);
+
+   if (currently_focused == state->focused) return;
+
+   if (currently_focused)
+     evas_object_smart_callback_call(state->emittee, "focused", NULL);
+   else
+     evas_object_smart_callback_call(state->emittee, "unfocused", NULL);
+
+   state->focused = currently_focused;
+}
+
+static void
+_focus_manager_del(void *data, const Efl_Event *ev EINA_UNUSED)
+{
+   free(data);
+}
+
+void
+legacy_efl_ui_focus_manager_widget_legacy_signals(Efl_Ui_Focus_Manager *manager, Efl_Ui_Focus_Manager *emittee)
+{
+   Legacy_Manager_Focus_State *state = calloc(1, sizeof(Legacy_Manager_Focus_State));
+
+   state->emittee = emittee;
+   state->focused = EINA_FALSE;
+
+   efl_event_callback_add(manager, EFL_UI_FOCUS_MANAGER_EVENT_FOCUS_CHANGED, _focus_manager_focused, state);
+   efl_event_callback_add(manager, EFL_EVENT_DEL, _focus_manager_del, state);
+}

src/lib/elementary/elm_gengrid.c

@@ -4257,6 +4257,7 @@ _gengrid_element_focused(void *data, const Efl_Event *ev)
 EOLIAN static Eo *
 _elm_gengrid_efl_object_constructor(Eo *obj, Elm_Gengrid_Data *sd)
 {
+   legacy_efl_ui_focus_manager_widget_legacy_signals(obj, obj);
    sd->content_item_map = eina_hash_pointer_new(NULL);
    sd->provider = efl_add(EFL_UI_FOCUS_PARENT_PROVIDER_GEN_CLASS, obj,
     efl_ui_focus_parent_provider_gen_container_set(efl_added, obj),

src/lib/elementary/elm_genlist.c

@@ -5911,6 +5911,7 @@ _genlist_element_focused(void *data, const Efl_Event *ev)
 EOLIAN static Eo *
 _elm_genlist_efl_object_constructor(Eo *obj, Elm_Genlist_Data *sd)
 {
+   legacy_efl_ui_focus_manager_widget_legacy_signals(obj, obj);
    obj = efl_constructor(efl_super(obj, MY_CLASS));
 
    sd->content_item_map = eina_hash_pointer_new(NULL);

src/lib/elementary/elm_priv.h

@@ -883,4 +883,5 @@ efl_ui_dir_is_horizontal(Efl_Ui_Dir dir, Eina_Bool def_val)
      }
 }
 
+void legacy_efl_ui_focus_manager_widget_legacy_signals(Efl_Ui_Focus_Manager *manager, Efl_Ui_Focus_Manager *emittee);
 #endif

src/lib/elementary/elm_toolbar.c

@@ -2981,6 +2981,7 @@ _elm_toolbar_efl_ui_widget_focus_state_apply(Eo *obj, Elm_Toolbar_Data *pd EINA_
 EOLIAN static Eo *
 _elm_toolbar_efl_object_constructor(Eo *obj, Elm_Toolbar_Data *_pd EINA_UNUSED)
 {
+   legacy_efl_ui_focus_manager_widget_legacy_signals(obj, obj);
    obj = efl_constructor(efl_super(obj, MY_CLASS));
    efl_canvas_object_type_set(obj, MY_CLASS_NAME_LEGACY);
    evas_object_smart_callbacks_descriptions_set(obj, _smart_callbacks);