From d5761bf03eacb49ca99983c021e4878f2bd72344 Mon Sep 17 00:00:00 2001
From: Larry Jr <larry.olj@gmail.com>
Date: Fri, 29 Jul 2016 19:26:21 -0300
Subject: elementary, elm_layout added model_connect signal emit

---
 src/examples/elementary/layout_model_connect.c | 12 +++++++++++
 src/lib/elementary/elm_layout.c                | 30 ++++++++++++++++++++++++--
 2 files changed, 40 insertions(+), 2 deletions(-)

diff --git a/src/examples/elementary/layout_model_connect.c b/src/examples/elementary/layout_model_connect.c
index 6f78e6f7a6..38884bfe05 100644
--- a/src/examples/elementary/layout_model_connect.c
+++ b/src/examples/elementary/layout_model_connect.c
@@ -78,6 +78,16 @@ _label_init(Evas_Object *win, Evas_Object *box, const char *text)
    return widget;
 }
 
+
+static void
+_signal_cb(void *data,
+                      Evas_Object *obj EINA_UNUSED,
+                      const char *emission,
+                      const char *source)
+{
+        printf(">> Signal callback emission='%s' source='%s'\n", emission, source);
+}
+
 EAPI_MAIN int
 elm_main(int argc, char **argv)
 {
@@ -136,6 +146,8 @@ elm_main(int argc, char **argv)
    elm_box_pack_end(bxr, priv->bt);
    elm_object_text_set(priv->bt, "update model");
    evas_object_smart_callback_add(priv->bt, "clicked", _update_cb, priv);
+   edje_obj_signal_callback_add(priv->bt, "test*" , "*", _signal_cb, priv);
+   efl_ui_model_connect(priv->bt, "signal/test-%v", "size");
    evas_object_show(priv->bt);
 
    /* Image widget */
diff --git a/src/lib/elementary/elm_layout.c b/src/lib/elementary/elm_layout.c
index df660dd7da..ff9cc298cd 100644
--- a/src/lib/elementary/elm_layout.c
+++ b/src/lib/elementary/elm_layout.c
@@ -28,6 +28,8 @@ static const char SIG_THEME_CHANGED[] = "theme,changed";
 const char SIG_LAYOUT_FOCUSED[] = "focused";
 const char SIG_LAYOUT_UNFOCUSED[] = "unfocused";
 
+const char SIGNAL_PREFIX[] = "signal/";
+
 /* smart callbacks coming from elm layout objects: */
 static const Evas_Smart_Cb_Description _smart_callbacks[] = {
    {SIG_THEME_CHANGED, ""},
@@ -1960,6 +1962,30 @@ _prop_promise_error_cb(void* data, Eina_Error err EINA_UNUSED)
    free(sub_pp);
 }
 
+static void
+_view_update(Elm_Layout_Smart_Data *pd, const char *name, const char *property)
+{
+   const char *source;
+   Eina_Strbuf *buf;
+
+   if (strncmp(SIGNAL_PREFIX, name, sizeof(SIGNAL_PREFIX) -1) != 0)
+     {
+         elm_layout_text_set(pd->obj, name, property);
+         return;
+     }
+
+   ELM_WIDGET_DATA_GET_OR_RETURN(pd->obj, wd);
+   source = eo_class_name_get(eo_class_get(pd->model));
+
+   buf = eina_strbuf_new();
+   eina_strbuf_append(buf, name);
+   eina_strbuf_remove(buf, 0, sizeof(SIGNAL_PREFIX)-1);
+   eina_strbuf_replace_all(buf, "%v", property);
+
+   edje_object_signal_emit(wd->resize_obj, eina_strbuf_string_get(buf), source);
+   eina_strbuf_free(buf);
+}
+
 static void
 _prop_promise_then_cb(void* data, void* values)
 {
@@ -1980,12 +2006,12 @@ _prop_promise_then_cb(void* data, void* values)
          if (vtype == EINA_VALUE_TYPE_STRING || vtype == EINA_VALUE_TYPE_STRINGSHARE)
            {
                eina_value_get(value, &text);
-               elm_layout_text_set(pd->obj, name, text);
+               _view_update(pd, name, text);
            }
          else
            {
                text = eina_value_to_string(value);
-               elm_layout_text_set(pd->obj, name, text);
+               _view_update(pd, name, text);
                free(text);
            }
         eina_stringshare_del(name);
-- 
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