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", ¶m);
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", ¶m2);
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 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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