elm: Restore ABI compatibility (elm_pan_gravity)

elm_pan_gravity_{set,get} are functions that were generated as
legacy APIs (in other words EAPI), but were never actually exposed
to applications as they were protected behind EFL_EO_API_SUPPORT
(see elm_interfaces.h).

This patch restores the ABI compatibility with elementary 1.18.

2 files changed, 13 insertions, 0 deletions

diff --git a/src/lib/elementary/elm_interface_scrollable.c b/src/lib/elementary/elm_interface_scrollable.c
index e9312796dc..d8808145ae 100644
--- a/src/lib/elementary/elm_interface_scrollable.c
+++ b/src/lib/elementary/elm_interface_scrollable.c
@@ -4554,5 +4554,13 @@ _elm_interface_scrollable_class_constructor(Efl_Class *klass)
    evas_smart_legacy_type_register(MY_SCROLLABLE_INTERFACE_NAME_LEGACY, klass);
 }
 
+/* Legacy ABI compatibility - APIs never worked and were hidden behind
+ * EFL_EO_API_SUPPORT (from elm_interface.h) or inside internal headers.
+ * Removed between 1.18 and 1.19. The symbols are kept purely for ABI
+ * compatibility reasons.
+ */
+EAPI void elm_pan_gravity_set(Elm_Pan *obj EINA_UNUSED, double x EINA_UNUSED, double y EINA_UNUSED) {}
+EAPI void elm_pan_gravity_get(const Elm_Pan *obj EINA_UNUSED, double *x EINA_UNUSED, double *y EINA_UNUSED) {}
+
 #include "elm_interface_scrollable.eo.c"
 #include "elm_pan.eo.c"
diff --git a/src/lib/elementary/elm_interface_scrollable.h b/src/lib/elementary/elm_interface_scrollable.h
index 001fb3a2f0..624c92199a 100644
--- a/src/lib/elementary/elm_interface_scrollable.h
+++ b/src/lib/elementary/elm_interface_scrollable.h
@@ -248,6 +248,11 @@ struct _Elm_Scrollable_Smart_Interface_Data
        return __VA_ARGS__;                                                   \
     }
 
+#if defined(EFL_EO_API_SUPPORT) && defined(EFL_BETA_API_SUPPORT)
+EAPI void elm_pan_gravity_set(Elm_Pan *, double x, double) EINA_DEPRECATED;
+EAPI void elm_pan_gravity_get(const Elm_Pan *, double *, double *) EINA_DEPRECATED;
+#endif
+
 /**
  * @}
  */