Elm layout: only allow legacy for using NULL text parts

This is a follow-up to a4b79fdbe1.

efl_part no longer supports NULL parts.
NULL text parts are now aliased in legacy code beforehand.

Signed-off-by: Jean-Philippe Andre <jp.andre@samsung.com>

src/lib/elementary/elc_popup.c

@@ -1057,12 +1057,15 @@ end:
    return EINA_TRUE;
 }
 
-EOLIAN static Eina_Bool
+static Eina_Bool
 _elm_popup_text_set(Eo *obj, Elm_Popup_Data *_pd, const char *part, const char *label)
 {
    Eina_Bool int_ret = EINA_FALSE;
 
-   if (!part || !strcmp(part, "default") || !strcmp(part, "elm.text"))
+   if (!_elm_layout_part_aliasing_eval(obj, &part, EINA_TRUE))
+      return EINA_FALSE;
+
+   if (!strcmp(part, "elm.text"))
      int_ret = _content_text_set(obj, label);
    else if (!strcmp(part, "title,text"))
      int_ret = _title_text_set(obj, label);
@@ -1096,7 +1099,10 @@ _elm_popup_text_get(Eo *obj EINA_UNUSED, Elm_Popup_Data *_pd, const char *part)
 {
    const char *text = NULL;
 
-   if (!part || !strcmp(part, "default"))
+   if (!_elm_layout_part_aliasing_eval(obj, &part, EINA_TRUE))
+      return NULL;
+
+   if (!strcmp(part, "elm.text"))
      text = _content_text_get(_pd);
    else if (!strcmp(part, "title,text"))
      text = _title_text_get(_pd);

src/lib/elementary/elm_actionslider.c

@@ -456,9 +456,11 @@ _elm_actionslider_text_set(Eo *obj, Elm_Actionslider_Data *_pd EINA_UNUSED, cons
 {
    Eina_Bool int_ret = EINA_TRUE;
 
+   if (!_elm_layout_part_aliasing_eval(obj, &part, EINA_TRUE))
+     return EINA_FALSE;
+
    _mirrored_part_fix(obj, &part);
 
-   if (!part || !strcmp(part, "elm.text")) part = _text_aliases[0].real_part;
    efl_text_set(efl_part(efl_super(obj, MY_CLASS), part), text);
 
    return int_ret;
@@ -469,9 +471,11 @@ _elm_actionslider_text_get(Eo *obj, Elm_Actionslider_Data *_pd EINA_UNUSED, cons
 {
    const char *text = NULL;
 
+   if (!_elm_layout_part_aliasing_eval(obj, &part, EINA_TRUE))
+     return NULL;
+
    _mirrored_part_fix(obj, &part);
 
-   if (!part) part = _text_aliases[0].real_part;
    text = efl_text_get(efl_part(efl_super(obj, MY_CLASS), part));
 
    return text;

src/lib/elementary/elm_bubble.c

@@ -119,13 +119,12 @@ _elm_bubble_elm_widget_focus_direction(Eo *obj, Elm_Bubble_Data *_pd EINA_UNUSED
 EOLIAN static Eina_Bool
 _elm_bubble_text_set(Eo *obj, Elm_Bubble_Data *_pd EINA_UNUSED, const char *part, const char *label)
 {
-   Eina_Bool int_ret = EINA_TRUE;
+   if (!_elm_layout_part_aliasing_eval(obj, &part, EINA_TRUE))
+     return EINA_FALSE;
 
-   if (!part) part = _text_aliases[0].real_part;
    efl_text_set(efl_part(efl_super(obj, MY_CLASS), part), label);
-   if (!int_ret) return EINA_FALSE;
 
-   if (part && (!strcmp(part, "info") || !strcmp(part, "elm.info")))
+   if (!strcmp(part, "elm.info"))
      {
         if (label)
           elm_layout_signal_emit(obj, "elm,state,info,visible", "elm");

src/lib/elementary/elm_label.c

@@ -27,12 +27,6 @@ static const Evas_Smart_Cb_Description _smart_callbacks[] = {
    {NULL, NULL}
 };
 
-static const Elm_Layout_Part_Alias_Description _text_aliases[] =
-{
-   {"default", "elm.text"},
-   {NULL, NULL}
-};
-
 static void
 _recalc(void *data)
 {
@@ -348,7 +342,6 @@ _elm_label_text_set(Eo *obj, Elm_Label_Data *sd, const char *part, const char *l
    if (!label) label = "";
    _label_format_set(wd->resize_obj, sd->format);
 
-   if (!part) part = _text_aliases[0].real_part;
    efl_text_set(efl_part(efl_super(obj, MY_CLASS), part), label);
 
    if (int_ret)
@@ -623,12 +616,6 @@ _elm_label_slide_duration_get(Eo *obj EINA_UNUSED, Elm_Label_Data *sd)
    return sd->slide_duration;
 }
 
-EOLIAN static const Elm_Layout_Part_Alias_Description*
-_elm_label_elm_layout_text_aliases_get(Eo *obj EINA_UNUSED, Elm_Label_Data *_pd EINA_UNUSED)
-{
-   return _text_aliases;
-}
-
 EOLIAN static Eina_Bool
 _elm_label_elm_widget_focus_next_manager_is(Eo *obj EINA_UNUSED, Elm_Label_Data *_pd EINA_UNUSED)
 {

src/lib/elementary/elm_label.eo

@@ -127,7 +127,6 @@ class Elm.Label (Elm.Layout)
       Elm.Widget.focus_next_manager_is;
       Elm.Widget.focus_direction_manager_is;
       Elm.Widget.theme_apply;
-      Elm.Layout.text_aliases { get; }
       Elm.Layout.sizing_eval;
       Efl.Part.part;
    }

src/lib/elementary/elm_layout.c

@@ -2332,7 +2332,11 @@ elm_layout_table_clear(Elm_Layout *obj, const char *part, Eina_Bool clear)
 EAPI Eina_Bool
 elm_layout_text_set(Elm_Layout *obj, const char *part, const char *text)
 {
-   if (!part) part = "elm.text";
+   if (!part)
+     {
+        part = elm_widget_default_text_part_get(obj);
+        if (!part) return EINA_FALSE;
+     }
    efl_text_set(efl_part(obj, part), text);
    return EINA_TRUE;
 }
@@ -2340,9 +2344,10 @@ elm_layout_text_set(Elm_Layout *obj, const char *part, const char *text)
 EAPI const char *
 elm_layout_text_get(const Elm_Layout *obj, const char *part)
 {
-   if (!part || (*part == '\0'))
+   if (!part)
      {
-        part = "elm.text";
+        part = elm_widget_default_text_part_get(obj);
+        if (!part) return NULL;
      }
    return efl_text_get(efl_part(obj, part));
 }
@@ -2392,6 +2397,15 @@ _elm_layout_default_content_part_get(const Eo *obj, Elm_Layout_Smart_Data *sd EI
    return part;
 }
 
+static const char *
+_elm_layout_default_text_part_get(const Eo *obj, Elm_Layout_Smart_Data *sd EINA_UNUSED)
+{
+   const char *part = NULL;
+   if (!_elm_layout_part_aliasing_eval(obj, &part, EINA_TRUE))
+     return NULL;
+   return part;
+}
+
 ELM_PART_IMPLEMENT_DESTRUCTOR(elm_layout, ELM_LAYOUT, Elm_Layout_Smart_Data, Elm_Part_Data)
 ELM_PART_IMPLEMENT_CONTENT_SET(elm_layout, ELM_LAYOUT, Elm_Layout_Smart_Data, Elm_Part_Data)
 ELM_PART_IMPLEMENT_CONTENT_GET(elm_layout, ELM_LAYOUT, Elm_Layout_Smart_Data, Elm_Part_Data)
@@ -2408,6 +2422,7 @@ ELM_PART_IMPLEMENT_TEXT_GET(elm_layout, ELM_LAYOUT, Elm_Layout_Smart_Data, Elm_P
 #define ELM_LAYOUT_EXTRA_OPS \
    EFL_CANVAS_GROUP_ADD_DEL_OPS(elm_layout), \
    ELM_PART_CONTENT_DEFAULT_OPS(elm_layout), \
+   ELM_PART_TEXT_DEFAULT_OPS(elm_layout), \
    EFL_OBJECT_OP_FUNC(efl_dbg_info_get, _elm_layout_efl_object_dbg_info_get)
 
 #include "elm_layout.eo.c"

src/lib/elementary/elm_part_helper.h

@@ -97,6 +97,12 @@ _ ## type ## _internal_part_efl_text_text_get(Eo *obj, partdata *pd) \
 #define ELM_PART_CONTENT_DEFAULT_OPS(type) \
    EFL_OBJECT_OP_FUNC(elm_widget_default_content_part_get, _ ## type ## _default_content_part_get)
 
+#define ELM_PART_TEXT_DEFAULT_GET(type, part) \
+   static const char * _ ## type ## _default_text_part_get(const Eo *obj EINA_UNUSED, void *sd EINA_UNUSED) { return part; }
+
+#define ELM_PART_TEXT_DEFAULT_OPS(type) \
+   EFL_OBJECT_OP_FUNC(elm_widget_default_text_part_get, _ ## type ## _default_text_part_get)
+
 // For widgets that inherit from something with parts (eg. from Elm.Layout)
 #define ELM_PART_OVERRIDE(type, TYPE, SUPER, typedata, partdata) \
 static EOLIAN Efl_Object * \

src/lib/elementary/elm_widget.c

@@ -6546,12 +6546,15 @@ elm_widget_content_part_unset(Evas_Object *obj,
 /* Internal EO APIs and hidden overrides */
 
 EFL_FUNC_BODY_CONST(elm_widget_default_content_part_get, const char *, NULL)
+EFL_FUNC_BODY_CONST(elm_widget_default_text_part_get, const char *, NULL)
 
 ELM_PART_CONTENT_DEFAULT_SET(elm_widget, NULL)
+ELM_PART_TEXT_DEFAULT_GET(elm_widget, NULL)
 
 #define ELM_WIDGET_EXTRA_OPS \
    EFL_CANVAS_GROUP_ADD_DEL_OPS(elm_widget), \
    ELM_PART_CONTENT_DEFAULT_OPS(elm_widget), \
+   ELM_PART_TEXT_DEFAULT_OPS(elm_widget), \
    EFL_OBJECT_OP_FUNC(efl_dbg_info_get, _elm_widget_efl_object_dbg_info_get)
 
 #include "elm_widget_item.eo.c"

src/lib/elementary/elm_widget.h

@@ -868,6 +868,7 @@ EAPI Eina_Bool _elm_layout_part_aliasing_eval(const Evas_Object *obj,
 
 /* Internal EO APIs */
 const char *elm_widget_default_content_part_get(const Eo *obj);
+const char *elm_widget_default_text_part_get(const Eo *obj);
 
 
 #define ELM_WIDGET_ITEM_PROTECTED