2010/10/12 Andreas Volz <li...@brachttal.net>:
> Hello,
>
> I'm just playing with the Edje externals features. I build a GUI with
> some Elm widgets and now try to change the widget text and content:
>
> Here is a part of my code:
>
>  Evas_Object *ext_eo = edje_object_part_external_object_get (eo,
>  "Button01"); elm_button_label_set (ext_eo, "This is a changed
>  button");
>
>  // -> this doesn't change the List! Why?
>  ext_eo = edje_object_part_external_object_get (eo, "List01");
>  assert (elm_list_item_append (ext_eo, "1. Line", NULL, NULL, NULL,
>  NULL)); assert (elm_list_item_append (ext_eo, "2. Line", NULL, NULL,
>  NULL, NULL)); assert (elm_list_item_append (ext_eo, "3. Line", NULL,
>  NULL, NULL, NULL)); assert (elm_list_item_append (ext_eo, "4. Line",
>  NULL, NULL, NULL, NULL));
>
>  ext_eo = edje_object_part_external_object_get (eo, "Progressbar01");
>  elm_progressbar_label_set (ext_eo, "This is the status");
>  elm_progressbar_value_set (ext_eo, 0.5);
>
>  Edje_External_Param param;
>  param.type = EDJE_EXTERNAL_PARAM_TYPE_DOUBLE;
>  param.name = "value";
>  param.d = 5;
>  edje_object_part_external_param_set (eo, "Slider01", &param);
>
>  Edje_External_Param param2;
>  param2.type = EDJE_EXTERNAL_PARAM_TYPE_STRING;
>  param2.name = "label";
>  param2.s = "Changed Slider Value";
>  edje_object_part_external_param_set (eo, "Slider01", &param2);
>
> It works to change the simple widgets (buttons, slider, progressbar)
> with both, the API and the params. But adding some elements to a Elm
> List doesn't work. It event doesn't return a problem.
>
> So why doesn''t this work, and how could I get it done?

I think you just missed the elm_list_go() call, after the insertion.

>
> I noticed a edje_object_part_external_content_get() call, but it has no
> docu. Is this function to get some object to modify the (list) content?
> How does it work? I don't know what content name parameter to give.
>
> Something else:
>
> The docu for edje_object_part_external_object_get() says:
>
> " Almost all swallow rules apply: you should not move, resize, hide,
> show, set the color or clipper of such part. It's a bit more
> restrictive as one must never delete this object!"
>
> The result is a Evas_Object pointer. So what happens if someone calls
> it? Simply nothing and it doesn't hurt? Is it possible to get an error
> if someone calls the functions in a part? I ask this because I like to
> typesafe wrap this in C++. So I could decide between ignoring, throwing
> an Exception or creating derived objects with some less modifier
> functions to let the user not call these funtions.
>
> Regards
>        Andreas
>
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------------------------------------------------------------------------------
Beautiful is writing same markup. Internet Explorer 9 supports
standards for HTML5, CSS3, SVG 1.1,  ECMAScript5, and DOM L2 & L3.
Spend less time writing and  rewriting code and more time creating great
experiences on the web. Be a part of the beta today.
http://p.sf.net/sfu/beautyoftheweb
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