efl_ui_focus: add parent_provider

thats just a little helper, where the logic to find and fetch the
provider is bound to the position in the widget tree, this means that
for example gengrid could change the way the logical parent is
evalulated. (For example to map the logical parent to a item)

src/Makefile_Elementary.am

@@ -155,6 +155,8 @@ elm_private_eolian_files = \
 	tests/elementary/focus_test_sub_main.eo \
 	lib/elementary/efl_ui_focus_rectangle.eo \
 	lib/elementary/elm_calendar_item.eo \
+	lib/elementary/efl_ui_focus_parent_provider.eo \
+	lib/elementary/efl_ui_focus_parent_provider_standard.eo \
 	$(NULL)
 
 # Legacy classes - not part of public EO API
@@ -707,7 +709,9 @@ lib_elementary_libelementary_la_SOURCES = \
 	lib/elementary/efl_ui_focus_manager_root_focus.c \
 	lib/elementary/efl_ui_textpath.c \
 	lib/elementary/efl_ui_focus_layer.c \
-  lib/elementary/efl_ui_focus_composition.c \
+	lib/elementary/efl_ui_focus_composition.c \
+	lib/elementary/efl_ui_focus_parent_provider.c \
+	lib/elementary/efl_ui_focus_parent_provider_standard.c \
 	$(NULL)
 
 

src/lib/elementary/efl_ui_focus_parent_provider.c

@@ -0,0 +1,8 @@
+#ifdef HAVE_CONFIG_H
+# include "elementary_config.h"
+#endif
+
+#include <Elementary.h>
+#include "elm_priv.h"
+
+#include "efl_ui_focus_parent_provider.eo.c"

src/lib/elementary/efl_ui_focus_parent_provider.eo

@@ -0,0 +1,11 @@
+interface Efl.Ui.Focus.Parent_Provider {
+   methods {
+      find_logical_parent {
+        [[Called to get the logical parent of widget]]
+        params {
+           widget : Efl.Ui.Focus.Object;
+        }
+        return : Efl.Ui.Focus.Object;
+      }
+   }
+}

src/lib/elementary/efl_ui_focus_parent_provider_standard.c

@@ -0,0 +1,19 @@
+#ifdef HAVE_CONFIG_H
+# include "elementary_config.h"
+#endif
+
+#include <Elementary.h>
+#include "elm_priv.h"
+
+typedef struct {
+
+} Efl_Ui_Focus_Parent_Provider_Standard_Data;
+
+EOLIAN static Efl_Ui_Focus_Object*
+_efl_ui_focus_parent_provider_standard_efl_ui_focus_parent_provider_find_logical_parent(Eo *obj EINA_UNUSED, Efl_Ui_Focus_Parent_Provider_Standard_Data *pd EINA_UNUSED, Efl_Ui_Focus_Object *widget)
+{
+   return elm_object_parent_widget_get(widget);
+}
+
+
+#include "efl_ui_focus_parent_provider_standard.eo.c"

src/lib/elementary/efl_ui_focus_parent_provider_standard.eo

@@ -0,0 +1,5 @@
+class Efl.Ui.Focus.Parent_Provider.Standard(Efl.Object, Efl.Ui.Focus.Parent_Provider) {
+   implements {
+      Efl.Ui.Focus.Parent_Provider.find_logical_parent;
+   }
+}

src/lib/elementary/efl_ui_win.c

@@ -176,6 +176,7 @@ struct _Efl_Ui_Win_Data
    Evas_Object *main_menu;
 
    Efl_Ui_Focus_Manager *manager;
+   Efl_Ui_Focus_Parent_Provider_Standard *provider;
 
    struct
    {
@@ -5361,6 +5362,7 @@ _efl_ui_win_efl_object_constructor(Eo *obj, Efl_Ui_Win_Data *pd)
 
    pd->obj = obj;
    pd->manager = elm_obj_widget_focus_manager_create(obj, obj);
+   pd->provider = efl_add(EFL_UI_FOCUS_PARENT_PROVIDER_STANDARD_CLASS, obj);
    pd->profile.available = eina_array_new(4);
 
    efl_composite_attach(obj, pd->manager);
@@ -6756,6 +6758,10 @@ _efl_ui_win_efl_object_provider_find(Eo *obj, Efl_Ui_Win_Data *pd EINA_UNUSED,
 {
     if (klass == EFL_UI_WIN_CLASS)
       return obj;
+
+    if (klass == EFL_UI_FOCUS_PARENT_PROVIDER_INTERFACE)
+      return pd->provider;
+
     return efl_provider_find(efl_super(obj, MY_CLASS), klass);
 }
 

src/lib/elementary/elm_priv.h

@@ -53,6 +53,8 @@
 #include "elm_widget.h"
 #include "elm_access.eo.h"
 #include "elm_code_private.h"
+#include "efl_ui_focus_parent_provider.eo.h"
+#include "efl_ui_focus_parent_provider_standard.eo.h"
 
 #ifdef HAVE_LANGINFO_H
 # include <langinfo.h>

src/lib/elementary/elm_widget.c

@@ -453,7 +453,10 @@ static Efl_Ui_Focus_Object*
 _logical_parent_eval(Eo *obj EINA_UNUSED, Elm_Widget_Smart_Data *pd)
 {
    Elm_Widget *parent;
-   parent = pd->parent_obj;
+   Efl_Ui_Focus_Parent_Provider *provider;
+
+   parent = efl_ui_focus_parent_provider_find_logical_parent(pd->provider, obj);
+
    if (pd->logical.parent != parent)
      {
         Efl_Ui_Focus_Object *old = NULL;
@@ -5081,6 +5084,7 @@ _elm_widget_efl_object_constructor(Eo *obj, Elm_Widget_Smart_Data *sd EINA_UNUSE
    evas_object_smart_callbacks_descriptions_set(obj, _smart_callbacks);
    parent = efl_parent_get(obj);
    elm_obj_widget_parent_set(obj, parent);
+   sd->provider = efl_provider_find(obj, EFL_UI_FOCUS_PARENT_PROVIDER_INTERFACE);
    sd->on_create = EINA_FALSE;
 
    elm_interface_atspi_accessible_role_set(obj, ELM_ATSPI_ROLE_UNKNOWN);

src/lib/elementary/elm_widget.h

@@ -416,7 +416,7 @@ typedef struct _Elm_Widget_Smart_Data
    Eina_Inlist                  *translate_strings;
    Eina_List                    *focus_chain;
    Eina_List                    *event_cb;
-
+   Eo                           *provider;
    /* this is a hook to be set on-the-fly on widgets. this is code
     * handling the request of showing a specific region from an inner
     * widget (mainly issued by entries, on cursor moving) */