edje_external: add combobox external

The combobox widget can now be used from edje externals.
It accepts the "guide" parameter, which is of type string.

src/Makefile_Elementary.am

@@ -1207,6 +1207,7 @@ edje_external_elementary_module_la_SOURCES = \
 	edje_external/elementary/elm_calendar.c \
 	edje_external/elementary/elm_check.c \
 	edje_external/elementary/elm_clock.c \
+	edje_external/elementary/elm_combobox.c \
 	edje_external/elementary/elm_entry.c \
 	edje_external/elementary/elm_fileselector.c \
 	edje_external/elementary/elm_fileselector_button.c \

src/edje_external/elementary/elm_combobox.c

@@ -0,0 +1,113 @@
+#include "private.h"
+
+typedef struct
+{
+   Elm_Params base;
+   Eina_Stringshare *guide;
+} Elm_Params_Combobox;
+
+
+static void
+external_combobox_state_set(void        *data        EINA_UNUSED,
+                            Evas_Object *obj,
+                            const void  *from_params,
+                            const void  *to_params,
+                            float        pos         EINA_UNUSED)
+{
+   const Elm_Params_Combobox *p;
+
+   if (to_params) p = to_params;
+   else if (from_params) p = from_params;
+   else return;
+
+   if (p->guide) elm_object_part_text_set(obj, "guide", p->guide);
+}
+
+static Eina_Bool
+external_combobox_param_set(void                      *data  EINA_UNUSED,
+                            Evas_Object               *obj,
+                            const Edje_External_Param *param)
+{
+   if (!strcmp(param->name, "guide"))
+     {
+        if (param->type == EDJE_EXTERNAL_PARAM_TYPE_STRING)
+          {
+             elm_object_part_text_set(obj, "guide", param->s);
+             return EINA_TRUE;
+          }
+     }
+
+   ERR("unknown parameter '%s' of type '%s'", param->name,
+       edje_external_param_type_str(param->type));
+   return EINA_FALSE;
+}
+
+static Eina_Bool
+external_combobox_param_get(void                *data  EINA_UNUSED,
+                            const Evas_Object   *obj,
+                            Edje_External_Param *param)
+{
+   if (!strcmp(param->name, "guide"))
+     {
+        if (param->type == EDJE_EXTERNAL_PARAM_TYPE_STRING)
+          {
+             param->s = elm_object_part_text_get(obj, "guide");
+             return EINA_TRUE;
+          }
+     }
+
+   ERR("Unknown parameter '%s' f type %s", param->name,
+       edje_external_param_type_str(param->type));
+   return EINA_FALSE;
+}
+
+static void *
+external_combobox_params_parse(void            *data   EINA_UNUSED,
+                               Evas_Object     *obj    EINA_UNUSED,
+                               const Eina_List *params)
+{
+   Elm_Params_Combobox *mem;
+   Edje_External_Param *param;
+   const Eina_List *l;
+
+   mem = calloc(1, sizeof(*mem));
+   if (EINA_UNLIKELY(!mem))
+     return NULL;
+
+   EINA_LIST_FOREACH(params, l, param)
+     {
+        if (!strcmp(param->name, "guide"))
+          {
+             mem->guide = eina_stringshare_add(param->s);
+          }
+     }
+
+   return mem;
+}
+
+static Evas_Object *
+external_combobox_content_get(void              *data    EINA_UNUSED,
+                              const Evas_Object *obj     EINA_UNUSED,
+                              const char        *content EINA_UNUSED)
+{
+   ERR("No content for combobox");
+   return NULL;
+}
+
+static void
+external_combobox_params_free(void *params)
+{
+   Elm_Params_Combobox *const mem = params;
+
+   if (mem->guide) eina_stringshare_del(mem->guide);
+   free(mem);
+}
+
+static Edje_External_Param_Info external_combobox_params[] = {
+     DEFINE_EXTERNAL_COMMON_PARAMS,
+     EDJE_EXTERNAL_PARAM_INFO_STRING("guide"),
+     EDJE_EXTERNAL_PARAM_INFO_SENTINEL
+};
+
+DEFINE_EXTERNAL_ICON_ADD(combobox, "combobox");
+DEFINE_EXTERNAL_TYPE_SIMPLE(combobox, "Combobox");

src/edje_external/elementary/modules.inc

@@ -5,6 +5,7 @@ DEFINE_TYPE(button)
 DEFINE_TYPE(calendar)
 DEFINE_TYPE(check)
 DEFINE_TYPE(clock)
+DEFINE_TYPE(combobox)
 DEFINE_TYPE(entry)
 DEFINE_TYPE(fileselector)
 DEFINE_TYPE(fileselector_button)