genlist_example_04.c

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genlist_example_04.c
//Compile with:
//gcc -g genlist_example_04.c -o genlist_example_04 `pkg-config --cflags --libs elementary`
#include <Elementary.h>
#define N_ITEMS 300
static Elm_Genlist_Item_Class *_itc = NULL;
static Elm_Genlist_Item_Class *_itc_group = NULL;
static int nitems = 0;
static char *
_item_label_get(void *data, Evas_Object *obj, const char *part)
{
time_t t = (time_t)ecore_time_unix_get();
char buf[256];
int i = (int)(long)data;
if (!strcmp(part, "elm.text"))
snprintf(buf, sizeof(buf), "Item # %i", i);
else
{
int n;
snprintf(buf, sizeof(buf), "realized at %s", ctime(&t));
n = strlen(buf);
buf[n - 1] = '\0';
}
return strdup(buf);
}
static Evas_Object *
_item_content_get(void *data, Evas_Object *obj, const char *part)
{
Evas_Object *ic = elm_icon_add(obj);
if (!strcmp(part, "elm.swallow.icon"))
elm_icon_standard_set(ic, "clock");
evas_object_size_hint_aspect_set(ic, EVAS_ASPECT_CONTROL_VERTICAL, 1, 1);
return ic;
}
static void
_item_sel_cb(void *data, Evas_Object *obj, void *event_info)
{
printf("sel item data [%p] on genlist obj [%p], item pointer [%p]\n",
data, obj, event_info);
}
static char *
_group_label_get(void *data, Evas_Object *obj, const char *part)
{
char buf[256];
int i = (int)(long)data;
snprintf(buf, sizeof(buf), "Group %d (item #%d)", i / 7, i);
return strdup(buf);
}
static Evas_Object *
_group_content_get(void *data, Evas_Object *obj, const char *part)
{
Evas_Object *ic = elm_icon_add(obj);
if (!strcmp(part, "elm.swallow.icon"))
elm_icon_standard_set(ic, "home");
evas_object_size_hint_aspect_set(ic, EVAS_ASPECT_CONTROL_VERTICAL, 1, 1);
return ic;
}
static void
_append_cb(void *data, Evas_Object *o, void *event_info)
{
Evas_Object *list = data;
elm_genlist_item_append(list, _itc,
(void *)(long)nitems++, NULL,
ELM_GENLIST_ITEM_NONE,
_item_sel_cb, NULL);
}
static void
_prepend_cb(void *data, Evas_Object *o, void *event_info)
{
Evas_Object *list = data;
elm_genlist_item_prepend(list, _itc,
(void *)(long)nitems++, NULL,
ELM_GENLIST_ITEM_NONE,
_item_sel_cb, NULL);
}
static void
_insert_before_cb(void *data, Evas_Object *o, void *event_info)
{
Evas_Object *list = data;
Elm_Object_Item *glit = elm_genlist_selected_item_get(list);
if (!glit) return;
elm_genlist_item_insert_before(list, _itc,
(void *)(long)nitems++, NULL,
glit, ELM_GENLIST_ITEM_NONE,
_item_sel_cb, NULL);
}
static void
_insert_after_cb(void *data, Evas_Object *o, void *event_info)
{
Evas_Object *list = data;
Elm_Object_Item *glit = elm_genlist_selected_item_get(list);
if (!glit) return;
elm_genlist_item_insert_after(list, _itc,
(void *)(long)nitems++, NULL,
glit, ELM_GENLIST_ITEM_NONE,
_item_sel_cb, NULL);
}
static void
_next_cb(void *data, Evas_Object *o, void *event_info)
{
Evas_Object *list = data;
Elm_Object_Item *glit = elm_genlist_selected_item_get(list);
if (glit) glit = elm_genlist_item_next_get(glit);
if (!glit) glit = elm_genlist_first_item_get(list);
elm_genlist_item_selected_set(glit, EINA_TRUE);
elm_genlist_item_show(glit, ELM_GENLIST_ITEM_SCROLLTO_IN);
}
static void
_prev_cb(void *data, Evas_Object *o, void *event_info)
{
Evas_Object *list = data;
Elm_Object_Item *glit = elm_genlist_selected_item_get(list);
if (glit) glit = elm_genlist_item_prev_get(glit);
if (!glit) glit = elm_genlist_last_item_get(list);
elm_genlist_item_selected_set(glit, EINA_TRUE);
elm_genlist_item_show(glit, ELM_GENLIST_ITEM_SCROLLTO_IN);
}
static void
_bring_in_cb(void *data, Evas_Object *o, void *event_info)
{
Elm_Object_Item *glit = data;
if (!glit) return;
elm_genlist_item_bring_in(glit, ELM_GENLIST_ITEM_SCROLLTO_IN);
}
static void
_show_cb(void *data, Evas_Object *o, void *event_info)
{
Elm_Object_Item *glit = data;
if (!glit) return;
elm_genlist_item_show(glit, ELM_GENLIST_ITEM_SCROLLTO_IN);
}
static void
_middle_in_cb(void *data, Evas_Object *o, void *event_info)
{
Elm_Object_Item *glit = data;
if (!glit) return;
elm_genlist_item_bring_in(glit, ELM_GENLIST_ITEM_SCROLLTO_MIDDLE);
}
static void
_middle_show_cb(void *data, Evas_Object *o, void *event_info)
{
Elm_Object_Item *glit = data;
if (!glit) return;
elm_genlist_item_show(glit, ELM_GENLIST_ITEM_SCROLLTO_MIDDLE);
}
static void
_top_in_cb(void *data, Evas_Object *o, void *event_info)
{
Elm_Object_Item *glit = data;
if (!glit) return;
elm_genlist_item_bring_in(glit, ELM_GENLIST_ITEM_SCROLLTO_TOP);
}
static void
_top_show_cb(void *data, Evas_Object *o, void *event_info)
{
Elm_Object_Item *glit = data;
if (!glit) return;
elm_genlist_item_show(glit, ELM_GENLIST_ITEM_SCROLLTO_TOP);
}
static void
_realize_cb(void *data, Evas_Object *o, void *event_info)
{
Evas_Object *list = data;
Elm_Object_Item *glit = elm_genlist_selected_item_get(list);
if (!glit) return;
elm_genlist_item_update(glit);
}
static Evas_Object *
_button_add(Evas_Object *list, Evas_Object *box, const char *label, Evas_Smart_Cb cb)
{
Evas_Object *bt;
bt = elm_button_add(elm_object_parent_widget_get(list));
elm_object_text_set(bt, label);
elm_box_pack_end(box, bt);
evas_object_show(bt);
if (cb)
evas_object_smart_callback_add(bt, "clicked", cb, list);
return bt;
}
EAPI_MAIN int
elm_main(int argc, char **argv)
{
Evas_Object *win, *box, *fbox;
Evas_Object *list;
Evas_Object *bt_bring_in, *bt_show;
Evas_Object *bt_middle_in, *bt_middle_show;
Evas_Object *bt_top_in, *bt_top_show;
int i;
win = elm_win_util_standard_add("genlist", "Genlist");
elm_policy_set(ELM_POLICY_QUIT, ELM_POLICY_QUIT_LAST_WINDOW_CLOSED);
elm_win_autodel_set(win, EINA_TRUE);
box = elm_box_add(win);
evas_object_size_hint_weight_set(box, EVAS_HINT_EXPAND, EVAS_HINT_EXPAND);
elm_win_resize_object_add(win, box);
evas_object_show(box);
if (!_itc)
{
_itc = elm_genlist_item_class_new();
_itc->item_style = "default";
_itc->func.text_get = _item_label_get;
_itc->func.content_get = _item_content_get;
_itc->func.state_get = NULL;
_itc->func.del = NULL;
}
if (!_itc_group)
{
_itc_group = elm_genlist_item_class_new();
_itc_group->item_style = "group_index";
_itc_group->func.text_get = _group_label_get;
_itc_group->func.content_get = _group_content_get;
_itc_group->func.state_get = NULL;
_itc_group->func.del = NULL;
}
list = elm_genlist_add(win);
evas_object_size_hint_weight_set(list, EVAS_HINT_EXPAND, EVAS_HINT_EXPAND);
evas_object_size_hint_align_set(list, EVAS_HINT_FILL, EVAS_HINT_FILL);
elm_box_pack_end(box, list);
evas_object_show(list);
fbox = elm_box_add(win);
elm_box_layout_set(fbox, evas_object_box_layout_flow_horizontal,
NULL, NULL);
evas_object_size_hint_weight_set(fbox, EVAS_HINT_EXPAND, 0);
evas_object_size_hint_align_set(fbox, EVAS_HINT_FILL, EVAS_HINT_FILL);
elm_box_pack_end(box, fbox);
evas_object_show(fbox);
_button_add(list, fbox, "prepend", _prepend_cb);
_button_add(list, fbox, "append", _append_cb);
_button_add(list, fbox, "insert before", _insert_before_cb);
_button_add(list, fbox, "insert after", _insert_after_cb);
_button_add(list, fbox, "prev", _prev_cb);
_button_add(list, fbox, "next", _next_cb);
_button_add(list, fbox, "realize", _realize_cb);
bt_bring_in = _button_add(list, fbox, "bring #50", NULL);
bt_show = _button_add(list, fbox, "show #50", NULL);
bt_middle_in = _button_add(list, fbox, "bring to middle #200", NULL);
bt_middle_show = _button_add(list, fbox, "show in middle #200", NULL);
bt_top_in = _button_add(list, fbox, "bring to top #250", NULL);
bt_top_show = _button_add(list, fbox, "show in top #250", NULL);
for (i = 0; i < N_ITEMS; i++)
{
Elm_Object_Item *gli = NULL, *glg = NULL;
if (i % 7 == 0)
{
glg = gli = elm_genlist_item_append(list, _itc_group,
(void *)(long)nitems++, NULL,
ELM_GENLIST_ITEM_GROUP,
_item_sel_cb, NULL);
elm_genlist_item_select_mode_set(gli, ELM_OBJECT_SELECT_MODE_DISPLAY_ONLY);
}
else
{
gli = elm_genlist_item_append(list, _itc,
(void *)(long)nitems++, glg,
ELM_GENLIST_ITEM_NONE,
_item_sel_cb, NULL);
}
switch (i)
{
case 3:
elm_object_item_disabled_set(gli, EINA_TRUE);
break;
case 50:
evas_object_smart_callback_add(
bt_bring_in, "clicked", _bring_in_cb, gli);
evas_object_smart_callback_add(
bt_show, "clicked", _show_cb, gli);
break;
case 200:
evas_object_smart_callback_add(
bt_middle_in, "clicked", _middle_in_cb, gli);
evas_object_smart_callback_add(
bt_middle_show, "clicked", _middle_show_cb, gli);
break;
case 250:
evas_object_smart_callback_add(
bt_top_in, "clicked", _top_in_cb, gli);
evas_object_smart_callback_add(
bt_top_show, "clicked", _top_show_cb, gli);
}
}
evas_object_resize(win, 420, 320);
evas_object_show(win);
elm_run();
return 0;
}
ELM_MAIN()