edje: Add get_part_id() to exported Embryo functions.

This allows one to calculate a part number in runtime and and use it with
other functions, like get_state() and set_state().

git-svn-id: http://svn.enlightenment.org/svn/e/trunk/edje@53277 7cbeb6ba-43b4-40fd-8cce-4c39aea84d33

diff --git a/data/include/edje.inc b/data/include/edje.inc
index 74ceda5..45394cb 100644 (file)
--- a/data/include/edje.inc
+++ b/data/include/edje.inc
@@ -83,6 +83,7 @@ native       cancel_anim(id);
  * run_program(PROGRAM:"program_name");
  */
 native       emit             (sig[], src[]);
+native       get_part_id      (part[]);
 native       set_state        (part_id, state[], Float:state_val);
 native       get_state        (part_id, dst[], maxlen, &Float:val);
 native       set_tween_state  (part_id, Float:tween, state1[], Float:state1_val, state2[], Float:state2_val);

diff --git a/src/lib/edje_embryo.c b/src/lib/edje_embryo.c
index ceeea66..b1687db 100644 (file)
--- a/src/lib/edje_embryo.c
+++ b/src/lib/edje_embryo.c
@@ -798,6 +798,28 @@ _edje_embryo_fn_emit(Embryo_Program *ep, Embryo_Cell *params)
    return 0;
 }
 
+/* get_part_id(part[]) */
+static Embryo_Cell
+_edje_embryo_fn_get_part_id(Embryo_Program *ep, Embryo_Cell *params)
+{
+   Edje *ed;
+   Edje_Part_Collection *col;
+   Edje_Part **part;
+   char *p;
+
+   CHKPARAM(1);
+   ed = embryo_program_data_get(ep);
+   GETSTR(p, params[1]);
+   col = ed->collection;
+   if (!col) return -1;
+   for (part = col->parts; *part; part++)
+     {
+        if (!(*part)->name) continue;
+        if (!strcmp((*part)->name, p)) return (*part)->id;
+     }
+   return -1;
+}
+
 /* set_state(part_id, state[], Float:state_val) */
 static Embryo_Cell
 _edje_embryo_fn_set_state(Embryo_Program *ep, Embryo_Cell *params)
@@ -2922,6 +2944,7 @@ _edje_embryo_script_init(Edje_Part_Collection *edc)
    embryo_program_native_call_add(ep, "cancel_anim", _edje_embryo_fn_cancel_anim);
 
    embryo_program_native_call_add(ep, "emit", _edje_embryo_fn_emit);
+   embryo_program_native_call_add(ep, "get_part_id", _edje_embryo_fn_get_part_id);
    embryo_program_native_call_add(ep, "set_state", _edje_embryo_fn_set_state);
    embryo_program_native_call_add(ep, "get_state", _edje_embryo_fn_get_state);
    embryo_program_native_call_add(ep, "set_tween_state", _edje_embryo_fn_set_tween_state);