Oh.. Genlist is designed to handle this kind of situation without trick.
It's a genlist bug. In case you have more than 34 items, genlist will
handle this correctly.
I will fix this soon. (very busy at the moment.)
So you don't even need to use "realized" callback. Genlist will do all
the things for you.
I attached a sample code.
Thank you.
Daniel Juyung Seo (SeoZ)
On Wed, Mar 21, 2012 at 11:32 PM, Leif Middelschulte
<leif.middelschu...@gmail.com> wrote:
> Hello there,
>
> thanks to mike, I switched from elm_list to elm_genlist for my little
> project, for which I need to scroll to the bottom most element of a
> list, once it's realized.
>
> Turns out that genlist can't do this, while elm_list can _if_ you
> iterate the main loop once.
>
> Code that demonstrates it is attached.
>
>
> --
> Leif
>
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#include <Elementary.h>
#define EXPAND(o) evas_object_size_hint_weight_set(o, EVAS_HINT_EXPAND, EVAS_HINT_EXPAND)
#define FILL(o) evas_object_size_hint_align_set(o, EVAS_HINT_FILL, EVAS_HINT_FILL)
static Evas_Object *_item_content_get(void *data, Evas_Object *obj, const char *part);
static void _on_done(void *data, Evas_Object *obj, void *event_info);
static Elm_Genlist_Item_Class genlist_class = { .item_style = "default", .func.content_get = _item_content_get, .func.del = NULL};
static Evas_Object *list;
static void _btn_add_cb(void *data, Evas_Object *obj, void *event_info)
{
Elm_Object_Item *li;
li = elm_genlist_item_append(list, &genlist_class, NULL, NULL, ELM_GENLIST_ITEM_NONE, NULL, NULL);
elm_genlist_item_bring_in(li, ELM_GENLIST_ITEM_SCROLLTO_IN);
}
static Evas_Object *_item_content_get(void *data, Evas_Object *obj, const char *part)
{
Evas_Object *label;
char timebuf[256];
double ts;
if (strcmp(part, "elm.swallow.icon"))
return NULL;
printf("called for part %s\n", part);
label = elm_label_add(obj);
evas_object_show(label);
EXPAND(label);
ts = ecore_time_get();
strftime(timebuf, sizeof(timebuf), "[%H:%M:%S]",
localtime((time_t[]){ ts }));
elm_object_text_set(label, timebuf);
return label;
}
int main(int argc, char *argv[])
{
Evas_Object *win, *box;
Evas_Object *btn;
unsigned int j;
Elm_Object_Item *li;
elm_init(argc, argv);
win = elm_win_util_standard_add("Elm Playground", "Elm Playground - List append test");
evas_object_show(win);
evas_object_smart_callback_add(win, "delete,request", _on_done, NULL);
box = elm_box_add(win);
evas_object_show(box);
EXPAND(box);
FILL(box);
btn = elm_button_add(box);
evas_object_show(btn);
elm_object_text_set(btn, "Add item");
evas_object_size_hint_weight_set(btn, EVAS_HINT_EXPAND, 0.0);
evas_object_size_hint_align_set(btn, EVAS_HINT_FILL, 0.0);
evas_object_smart_callback_add(btn, "clicked", _btn_add_cb, NULL);
elm_box_pack_end(box, btn);
list = elm_genlist_add(box);
evas_object_show(list);
EXPAND(list);
FILL(list);
for (j = 0; j < 34; j++)
{
li = elm_genlist_item_append(list, &genlist_class, NULL, NULL, ELM_GENLIST_ITEM_NONE, NULL, NULL);
}
elm_genlist_item_bring_in(li, ELM_GENLIST_ITEM_SCROLLTO_IN);
elm_box_pack_end(box, list);
elm_win_resize_object_add(win, box);
evas_object_resize(win, 200, 400);
elm_run();
elm_shutdown();
return 0;
}
static void
_on_done(void *data, Evas_Object *obj, void *event_info)
{
elm_exit();
}
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