* with the selected on the middle.
*
* It can act like a circular list with round mode and labels can be
- * reduced for a defined lenght for side items.
+ * reduced for a defined length for side items.
+ *
+ * Signals that you can add callbacks for are:
*
- * Signal emitted by this widget:
* "selected" - when item is selected (scroller stops)
*/
# define MAX(a, b) (((a) > (b)) ? (a) : (b))
#endif
+#ifndef CEIL
+#define CEIL(a) (((a) % 2 != 0) ? ((a) / 2 + 1) : ((a) / 2))
+#endif
+
+#define DISPLAY_ITEM_NUM_MIN 3
+
typedef struct _Widget_Data Widget_Data;
struct _Widget_Data
Elm_Diskselector_Item *last;
Eina_List *items;
Eina_List *r_items;
- int item_count, len_threshold, len_side;
+ Eina_List *over_items;
+ Eina_List *under_items;
+ int item_count, len_threshold, len_side, display_item_num;
Ecore_Idler *idler;
Ecore_Idler *check_idler;
+ Evas_Coord minw, minh;
Eina_Bool init:1;
Eina_Bool round:1;
+ Eina_Bool display_item_num_by_api:1;
};
struct _Elm_Diskselector_Item
static const char *widtype = NULL;
-#define ELM_DISKSELECTOR_ITEM_CHECK_OR_RETURN(it, ...) \
+#define ELM_DISKSELECTOR_ITEM_CHECK_OR_RETURN(it, ...) \
ELM_WIDGET_ITEM_CHECK_OR_RETURN((Elm_Widget_Item *)it, __VA_ARGS__); \
ELM_CHECK_WIDTYPE(it->base.widget, widtype) __VA_ARGS__;
static void _sub_del(void *data, Evas_Object * obj, void *event_info);
static void _round_items_del(Widget_Data *wd);
static void _scroller_move_cb(void *data, Evas_Object *obj, void *event_info);
+static void _item_click_cb(void *data, Evas_Object *obj __UNUSED__,
+ const char *emission __UNUSED__,
+ const char *source __UNUSED__);
+static void _selected_item_indicate(Elm_Diskselector_Item *it);
static const char SIG_SELECTED[] = "selected";
static const Evas_Smart_Cb_Description _signals[] = {
_diskselector_object_resize(void *data, Evas *e __UNUSED__, Evas_Object *obj, void *event_info __UNUSED__)
{
Widget_Data *wd;
- Evas_Coord w, h, minw = -1, minh = -1;
+ Evas_Coord w, h;
wd = elm_widget_data_get(data);
if (!wd) return;
- elm_coords_finger_size_adjust(6, &minw, 1, &minh);
+ if (wd->minw == -1 && wd->minh == -1) elm_coords_finger_size_adjust(6, &wd->minw, 1, &wd->minh);
edje_object_size_min_restricted_calc(elm_smart_scroller_edje_object_get(
- wd->scroller), &minw, &minh, minw, minh);
- evas_object_size_hint_min_set(obj, minw, minh);
+ wd->scroller), &wd->minw, &wd->minh, wd->minw, wd->minh);
+ evas_object_size_hint_min_set(obj, wd->minw, wd->minh);
evas_object_size_hint_max_set(obj, -1, -1);
evas_object_geometry_get(wd->scroller, NULL, NULL, &w, &h);
if (wd->round)
- evas_object_resize(wd->main_box, w / 3 * (wd->item_count + 4), h);
+ evas_object_resize(wd->main_box, (w / wd->display_item_num) * (wd->item_count + (CEIL(wd->display_item_num) * 2)), h);
else
- evas_object_resize(wd->main_box, w / 3 * (wd->item_count + 2), h);
+ evas_object_resize(wd->main_box, (w / wd->display_item_num) * (wd->item_count + CEIL(wd->display_item_num)), h);
elm_smart_scroller_paging_set(wd->scroller, 0, 0,
- (int)(w / 3), 0);
+ (int)(w / wd->display_item_num), 0);
if (!wd->idler)
wd->idler = ecore_idler_add(_move_scroller, data);
evas_object_show(it->base.view);
if (it->label)
+ {
edje_object_part_text_set(it->base.view, "elm.text", it->label);
+ edje_object_signal_callback_add(it->base.view, "elm,action,click", "", _item_click_cb, it);
+ }
if (it->icon)
{
evas_object_size_hint_min_set(it->icon, 24, 24);
_theme_data_get(Widget_Data *wd)
{
const char* str;
+ Evas_Object *parent;
str = edje_object_data_get(wd->right_blank, "len_threshold");
- if (str) wd->len_threshold = atoi(str);
+ if (str) wd->len_threshold = MAX(0, atoi(str));
else wd->len_threshold = 0;
+
+ if (!wd->display_item_num_by_api)
+ {
+ str = edje_object_data_get(wd->right_blank, "display_item_num");
+ if (str) wd->display_item_num = MAX(DISPLAY_ITEM_NUM_MIN, atoi(str));
+ else wd->display_item_num = DISPLAY_ITEM_NUM_MIN;
+ }
+
+ str = edje_object_data_get(wd->right_blank, "min_width");
+ if (str) wd->minw = MAX(-1, atoi(str));
+ else
+ {
+ parent = elm_widget_parent_widget_get(wd->self);
+ if (!parent) wd->minw = -1;
+ else evas_object_geometry_get(parent, NULL, NULL, &wd->minw, NULL);
+ }
+
+ str = edje_object_data_get(wd->right_blank, "min_height");
+ if (str) wd->minh = MAX(-1, atoi(str));
+ else wd->minh = -1;
+}
+
+static void
+_default_display_item_num_set(Widget_Data *wd)
+{
+ const char* str;
+ str = edje_object_data_get(wd->right_blank, "display_item_num");
+ if (str) wd->display_item_num = MAX(DISPLAY_ITEM_NUM_MIN, atoi(str));
+ else wd->display_item_num = DISPLAY_ITEM_NUM_MIN;
}
static void
_del_pre_hook(Evas_Object * obj)
{
Elm_Diskselector_Item *it;
+ Eina_List *l;
+
Widget_Data *wd = elm_widget_data_get(obj);
if (!wd) return;
free(wd->first);
}
+ EINA_LIST_FOREACH(wd->under_items, l, it)
+ {
+ if (it)
+ {
+ eina_stringshare_del(it->label);
+ evas_object_del(wd->first->base.view);
+ free(it);
+ }
+ }
+
+ EINA_LIST_FOREACH(wd->over_items, l, it)
+ {
+ if (it)
+ {
+ eina_stringshare_del(it->label);
+ evas_object_del(wd->first->base.view);
+ free(it);
+ }
+ }
+
EINA_LIST_FREE(wd->items, it) _item_del(it);
eina_list_free(wd->r_items);
}
{
_elm_theme_object_set(obj, it->base.view, "diskselector", "item",
elm_widget_style_get(obj));
+ edje_object_part_text_set(it->base.view, "elm.text", it->label);
}
}
else
{
_elm_theme_object_set(obj, it->base.view, "diskselector", "item",
elm_widget_style_get(obj));
+ edje_object_part_text_set(it->base.view, "elm.text", it->label);
}
}
+ _elm_theme_object_set(obj, wd->right_blank, "diskselector", "item",
+ elm_widget_style_get(obj));
_theme_data_get(wd);
_sizing_eval(obj);
}
if (!it) return;
Widget_Data *wd = elm_widget_data_get(it->base.widget);
wd->selected_item = it;
+ _selected_item_indicate(wd->selected_item);
if (it->func) it->func((void *)it->base.data, it->base.widget, it);
evas_object_smart_callback_call(it->base.widget, SIG_SELECTED, it);
}
if (elm_widget_focus_get(obj))
{
- edje_object_signal_emit(wd->self, "elm,action,focus", "elm");
- evas_object_focus_set(wd->self, EINA_TRUE);
+ edje_object_signal_emit(wd->self, "elm,action,focus", "elm");
+ evas_object_focus_set(wd->self, EINA_TRUE);
}
else
{
- edje_object_signal_emit(wd->self, "elm,action,unfocus", "elm");
- evas_object_focus_set(wd->self, EINA_FALSE);
+ edje_object_signal_emit(wd->self, "elm,action,unfocus", "elm");
+ evas_object_focus_set(wd->self, EINA_FALSE);
}
}
}
static int
+_count_letter(const char *str)
+{
+ int pos = 0;
+ int code = 0, chnum;
+
+ for (chnum = 0; ; chnum++)
+ {
+ pos = evas_string_char_next_get(str, pos, &code);
+ if (code == 0) break;
+ }
+ return chnum;
+}
+
+static int
_check_letter(const char *str, int length)
{
- int code = str[length];
+ int pos = 0;
+ int code = 0, chnum;
- if (code == '\0')
- return length; // null string
- else if (((code >= 65) && (code <= 90)) || ((code >= 97) && (code <= 122)))
- return length; // alphabet
- else if ((48 <= code) && (code < 58))
- return length; // number
- else if (((33 <= code) && (code < 47)) || ((58 <= code) && (code < 64))
- || ((91 <= code) && (code < 96)) || ((123 <= code) && (code < 126)))
- return length; // special letter
- return length - 1;
+ for (chnum = 0; ; chnum++)
+ {
+ if (chnum == length) break;
+ pos = evas_string_char_next_get(str, pos, &code);
+ if (code == 0) break;
+ }
+ return pos;
}
static Eina_Bool
if ((x + w <= ox) || (x >= ox + ow))
continue;
- len = eina_stringshare_strlen(it->label);
+ len = _count_letter(it->label);
+// // FIXME: len should be # of ut8f letters. ie count using utf8 string walk, not stringshare len
+// len = eina_stringshare_strlen(it->label);
if (x <= ox + 5)
- edje_object_signal_emit(it->base.view, "elm,state,left_side",
- "elm");
+ edje_object_signal_emit(it->base.view, "elm,state,left_side",
+ "elm");
else if (x + w >= ox + ow - 5)
- edje_object_signal_emit(it->base.view, "elm,state,right_side",
- "elm");
+ edje_object_signal_emit(it->base.view, "elm,state,right_side",
+ "elm");
else
{
if ((wd->len_threshold) && (len > wd->len_threshold))
"elm");
}
+ // if len is les that the limit len, skip anyway
if (len <= wd->len_side)
continue;
length = len - (int)(diff * steps / (ow / 3));
length = MAX(length, wd->len_side);
+ // limit string len to "length" ut8f chars
length = _check_letter(it->label, length);
+ // cut it off at byte mark returned form _check_letter
strncpy(buf, it->label, length);
buf[length] = '\0';
edje_object_part_text_set(it->base.view, "elm.text", buf);
}
static void
+_selected_item_indicate(Elm_Diskselector_Item *it)
+{
+ Elm_Diskselector_Item *item;
+ Eina_List *l;
+ Widget_Data *wd;
+ wd = elm_widget_data_get(it->base.widget);
+
+ if (!wd) return;
+
+ EINA_LIST_FOREACH(wd->r_items, l, item)
+ {
+ if (!strcmp(item->label, it->label)) edje_object_signal_emit(item->base.view, "elm,state,selected", "elm");
+ else
+ edje_object_signal_emit(item->base.view, "elm,state,default", "elm");
+ }
+}
+
+static void
+_item_click_cb(void *data, Evas_Object *obj __UNUSED__,
+ const char *emission __UNUSED__, const char *source __UNUSED__)
+{
+ Elm_Diskselector_Item *it = data;
+
+ if (!it) return;
+
+ Widget_Data *wd;
+ wd = elm_widget_data_get(it->base.widget);
+
+ if (!wd) return;
+
+ if (wd->selected_item != it)
+ {
+ wd->selected_item = it;
+ _selected_item_indicate(wd->selected_item);
+ }
+
+ if (it->func) it->func((void *)it->base.data, it->base.widget, it);
+}
+
+static void
_scroller_move_cb(void *data, Evas_Object *obj __UNUSED__, void *event_info __UNUSED__)
{
Evas_Coord x, y, w, h, bw;
if (wd->round)
{
evas_object_geometry_get(wd->main_box, NULL, NULL, &bw, NULL);
- if (x > w / 3 * (wd->item_count + 1))
- elm_smart_scroller_child_region_show(wd->scroller,
- x - w / 3 * wd->item_count,
+ if (x > ((w / wd->display_item_num) * (wd->item_count + (wd->display_item_num % 2))))
+ elm_smart_scroller_child_region_show(wd->scroller,
+ x - ((w / wd->display_item_num) * wd->item_count),
y, w, h);
else if (x < 0)
- elm_smart_scroller_child_region_show(wd->scroller,
- x + w / 3 * wd->item_count,
+ elm_smart_scroller_child_region_show(wd->scroller,
+ x + ((w / wd->display_item_num) * wd->item_count),
y, w, h);
}
}
}
evas_object_geometry_get(wd->scroller, NULL, &y, &w, &h);
- elm_smart_scroller_child_region_show(wd->scroller, w / 3 * i, y, w, h);
+ elm_smart_scroller_child_region_show(wd->scroller, w / wd->display_item_num * i, y, w, h);
_select_item(dit);
if (wd->idler)
{
static void
_round_items_del(Widget_Data *wd)
{
+ Eina_List *l;
+ Elm_Diskselector_Item * it;
+
_round_item_del(wd, wd->last);
wd->last = NULL;
_round_item_del(wd, wd->s_last);
wd->second = NULL;
_round_item_del(wd, wd->first);
wd->first = NULL;
+
+ EINA_LIST_FOREACH(wd->under_items, l, it)
+ {
+ _round_item_del(wd, it);
+ it = NULL;
+ }
+
+ EINA_LIST_FOREACH(wd->over_items, l, it)
+ {
+ _round_item_del(wd, it);
+ it = NULL;
+ }
}
static void
{
Elm_Diskselector_Item *dit;
Elm_Diskselector_Item *it;
-
+ Elm_Diskselector_Item *temp_it;
+ int i = 0;
dit = it = eina_list_nth(wd->items, 0);
if (!dit) return;
wd->r_items = eina_list_append(wd->r_items, wd->second);
}
+ // if more than 3 itmes should be displayed
+ for (i = 2; i < CEIL(wd->display_item_num); i++)
+ {
+ it = eina_list_nth(wd->items, i);
+ if (!it) it = dit;
+ temp_it = _item_new(it->base.widget, it->icon, it->label, it->func, it->base.data);
+ wd->over_items = eina_list_append(wd->over_items, temp_it);
+ wd->r_items = eina_list_append(wd->r_items, temp_it);
+ }
+
it = eina_list_nth(wd->items, wd->item_count - 1);
if (!it)
it = dit;
wd->s_last->node = it->node;
wd->r_items = eina_list_prepend(wd->r_items, wd->s_last);
}
+
+ // if more than 3 itmes should be displayed
+ for (i = 3; i <= CEIL(wd->display_item_num); i++)
+ {
+ it = eina_list_nth(wd->items, wd->item_count - i);
+ if (!it) it = dit;
+ temp_it = _item_new(it->base.widget, it->icon, it->label, it->func, it->base.data);
+ wd->under_items = eina_list_append(wd->under_items, temp_it);
+ wd->r_items = eina_list_prepend(wd->r_items, temp_it);
+ }
}
/**
EAPI Evas_Object *
elm_diskselector_add(Evas_Object *parent)
{
+ Evas *e;
Evas_Object *obj;
Widget_Data *wd;
- EINA_SAFETY_ON_NULL_RETURN_VAL(parent, NULL);
+ ELM_WIDGET_STANDARD_SETUP(wd, Widget_Data, parent, e, obj, NULL);
- wd = ELM_NEW(Widget_Data);
- wd->self = obj = elm_widget_add(evas_object_evas_get(parent));
ELM_SET_WIDTYPE(widtype, "diskselector");
elm_widget_type_set(obj, "diskselector");
elm_widget_sub_object_add(parent, obj);
elm_widget_on_focus_hook_set(obj, _on_focus_hook, NULL);
elm_widget_event_hook_set(obj, _event_hook);
+ wd->self = obj;
wd->item_count = 0;
wd->round = EINA_FALSE;
wd->init = EINA_FALSE;
wd->len_side = 3;
+ wd->display_item_num_by_api = EINA_FALSE;
- wd->scroller = elm_smart_scroller_add(evas_object_evas_get(parent));
+ wd->scroller = elm_smart_scroller_add(e);
elm_smart_scroller_widget_set(wd->scroller, obj);
_theme_hook(obj);
elm_widget_resize_object_set(obj, wd->scroller);
elm_smart_scroller_policy_set(wd->scroller, ELM_SMART_SCROLLER_POLICY_OFF,
- ELM_SMART_SCROLLER_POLICY_OFF);
+ ELM_SMART_SCROLLER_POLICY_OFF);
elm_smart_scroller_bounce_allow_set(wd->scroller, EINA_TRUE, EINA_FALSE);
evas_object_smart_callback_add(wd->scroller, "scroll", _scroller_move_cb,
wd);
wd->main_box = elm_box_add(parent);
elm_box_horizontal_set(wd->main_box, EINA_TRUE);
- elm_box_homogenous_set(wd->main_box, EINA_TRUE);
+ elm_box_homogeneous_set(wd->main_box, EINA_TRUE);
evas_object_size_hint_weight_set(wd->main_box, EVAS_HINT_EXPAND,
EVAS_HINT_EXPAND);
evas_object_size_hint_align_set(wd->main_box, EVAS_HINT_FILL,
EAPI void
elm_diskselector_round_set(Evas_Object * obj, Eina_Bool round)
{
+ Eina_List *elist;
+ Elm_Diskselector_Item *it;
+
ELM_CHECK_WIDTYPE(obj, widtype);
Widget_Data *wd = elm_widget_data_get(obj);
if (!wd) return;
elm_box_pack_start(wd->main_box, wd->last->base.view);
if (wd->s_last)
elm_box_pack_start(wd->main_box, wd->s_last->base.view);
+
+ // if more than 3 items should be displayed
+ EINA_LIST_FOREACH(wd->under_items, elist, it)
+ elm_box_pack_start(wd->main_box, it->base.view);
+
if (wd->first)
elm_box_pack_end(wd->main_box, wd->first->base.view);
if (wd->second)
elm_box_pack_end(wd->main_box, wd->second->base.view);
+
+ // if more than 3 items should be displayed
+ EINA_LIST_FOREACH(wd->over_items, elist, it)
+ elm_box_pack_end(wd->main_box, it->base.view);
}
else
{
eina_list_free(wd->r_items);
wd->r_items = NULL;
}
+
_sizing_eval(obj);
}
/**
- * Get the side labels max lenght
+ * Get the side labels max length
*
* @param obj The diskselector object
- * @return The max lenght defined for side labels, or 0 if not a valid
+ * @return The max length defined for side labels, or 0 if not a valid
* diskselector
*
* @ingroup Diskselector
*/
EAPI int
-elm_diskselector_side_label_lenght_get(const Evas_Object *obj)
+elm_diskselector_side_label_length_get(const Evas_Object *obj)
{
ELM_CHECK_WIDTYPE(obj, widtype) 0;
Widget_Data *wd = elm_widget_data_get(obj);
}
/**
- * Set the side labels max lenght
+ * Set the side labels max length
*
* @param obj The diskselector object
- * @param len The max lenght defined for side labels
+ * @param len The max length defined for side labels
*
* @ingroup Diskselector
*/
EAPI void
-elm_diskselector_side_label_lenght_set(Evas_Object *obj, int len)
+elm_diskselector_side_label_length_set(Evas_Object *obj, int len)
{
ELM_CHECK_WIDTYPE(obj, widtype);
Widget_Data *wd = elm_widget_data_get(obj);
wd->len_side = len;
}
+EAPI void
+elm_diskselector_side_label_lenght_set(Evas_Object *obj, int len)
+{
+ return elm_diskselector_side_label_length_set(obj, len);
+}
+
+EAPI int
+elm_diskselector_side_label_lenght_get(const Evas_Object *obj)
+{
+ return elm_diskselector_side_label_length_get(obj);
+}
+
/**
* Set bounce mode
*
{
ELM_DISKSELECTOR_ITEM_CHECK_OR_RETURN(it);
Elm_Diskselector_Item *dit;
+ Elm_Diskselector_Item *item;
+ Eina_List *l;
+ int i = 0;
Widget_Data *wd = elm_widget_data_get(it->base.widget);
if (!wd) return;
wd->selected_item = dit;
else
wd->selected_item = eina_list_nth(wd->items, 1);
+
+ _selected_item_indicate(wd->selected_item);
}
_item_del(it);
evas_object_hide(wd->second->base.view);
evas_object_hide(wd->last->base.view);
evas_object_hide(wd->s_last->base.view);
+
+ EINA_LIST_FOREACH(wd->under_items, l, item)
+ evas_object_hide(item->base.view);
+
+ EINA_LIST_FOREACH(wd->over_items, l, item)
+ evas_object_hide(item->base.view);
}
else
{
edje_object_part_text_set(wd->second->base.view, "elm.text",
wd->second->label);
}
+ // if more than 3 itmes should be displayed
+ for (i = 2; i < CEIL(wd->display_item_num); i++)
+ {
+ dit = eina_list_nth(wd->items, i);
+ item = eina_list_nth(wd->over_items, i - 2);
+ eina_stringshare_replace(&item->label, dit->label);
+ edje_object_part_text_set(item->base.view, "elm.text", item->label);
+ }
+
dit = eina_list_nth(wd->items, eina_list_count(wd->items) - 1);
if (dit)
{
edje_object_part_text_set(wd->s_last->base.view, "elm.text",
wd->s_last->label);
}
+ // if more than 3 itmes should be displayed
+ for (i = 3; i <= CEIL(wd->display_item_num); i++)
+ {
+ dit = eina_list_nth(wd->items, wd->item_count - i);
+ item = eina_list_nth(wd->under_items, i - 3);
+ eina_stringshare_replace(&item->label, dit->label);
+ edje_object_part_text_set(item->base.view, "elm.text", item->label);
+ }
}
}
wd->check_idler = ecore_idler_add(_check_string, wd);
- _sizing_eval(it->base.widget);
+ _sizing_eval(wd->self);
}
/**
if ((wd->selected_item == it) && (!selected))
wd->selected_item = eina_list_data_get(wd->items);
else
- wd->selected_item = it;
+ {
+ wd->selected_item = it;
+ _selected_item_indicate(wd->selected_item);
+ }
if (!wd->idler)
ecore_idler_add(_move_scroller, it->base.widget);
ELM_DISKSELECTOR_ITEM_CHECK_OR_RETURN(item, EINA_FALSE);
return elm_widget_item_cursor_engine_only_get(item);
}
+/**
+ * Set the number of items to be displayed
+ *
+ * @param obj The diskselector object
+ * @param num The number of itmes that diskselector will display
+ *
+ * @ingroup Diskselector
+ */
+EAPI void
+elm_diskselector_display_item_num_set(Evas_Object *obj, int num)
+{
+ ELM_CHECK_WIDTYPE(obj, widtype);
+ Widget_Data *wd = elm_widget_data_get(obj);
+ if (!wd) return;
+ if (num < DISPLAY_ITEM_NUM_MIN) num = DISPLAY_ITEM_NUM_MIN;
+ wd->display_item_num = num;
+ wd->display_item_num_by_api = EINA_TRUE;
+}