Am Mon, 12 Jul 2010 21:57:35 +0200 schrieb Andreas Volz:
No reason? Or does simply no one know? Should I fix it to use the data
pointer?
regards
Andreas
> Hello,
>
> while porting the Elm GenList to C++ I found this code in
> test_genlist.c:
>
> static void
> gl4_exp(void *data, Evas_Object *obj, void *event_info)
> {
> Elm_Genlist_Item *it = event_info;
> Evas_Object *gl = elm_genlist_item_genlist_get(it);
> int val = (int)elm_genlist_item_data_get(it);
> val *= 10;
> elm_genlist_item_append(gl, &itc4,
> (void *)(val + 1)/* item data */, it/*
> parent */, ELM_GENLIST_ITEM_NONE, gl4_sel/* func */, NULL/* func data
> */); elm_genlist_item_append(gl, &itc4,
> (void *)(val + 2)/* item data */, it/*
> parent */, ELM_GENLIST_ITEM_NONE, gl4_sel/* func */, NULL/* func data
> */); elm_genlist_item_append(gl, &itc4,
> (void *)(val + 3)/* item data */, it/*
> parent */, ELM_GENLIST_ITEM_SUBITEMS, gl4_sel/* func */, NULL/* func
> data */); }
> static void
> gl4_con(void *data, Evas_Object *obj, void *event_info)
> {
> Elm_Genlist_Item *it = event_info;
> elm_genlist_item_subitems_clear(it);
> }
>
> static void
> gl4_exp_req(void *data, Evas_Object *obj, void *event_info)
> {
> Elm_Genlist_Item *it = event_info;
> elm_genlist_item_expanded_set(it, 1);
> }
> static void
> gl4_con_req(void *data, Evas_Object *obj, void *event_info)
> {
> Elm_Genlist_Item *it = event_info;
> elm_genlist_item_expanded_set(it, 0);
> }
>
>
> I'm really wondering about the usage of void *event_info. Could you
> explain me why it's used here as data pointer? In my eyes
> Elm_Genlist_Item isn't really an event. I would have used void *data
> for this reason. Could you explain this?
>
> regards
> Andreas
>
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