923 lines
26 KiB
C
923 lines
26 KiB
C
#include <Elementary.h>
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#include "elm_priv.h"
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/**
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* @defgroup Index Index
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*
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* An index object is a type of list that categorizes items in it
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* by letter.
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*/
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typedef struct _Widget_Data Widget_Data;
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struct _Widget_Data
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{
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Evas_Object *base;
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Evas_Object *event[2];
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Evas_Object *bx[2]; // 2 - for now all that's supported
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Eina_List *items; // 1 list. yes N levels, but only 2 for now and # of items will be small
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int level;
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Evas_Coord dx, dy;
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Ecore_Timer *delay;
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Eina_Bool level_active[2];
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Eina_Bool horizontal : 1;
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Eina_Bool active : 1;
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Eina_Bool down : 1;
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};
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struct _Elm_Index_Item
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{
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Evas_Object *obj;
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const char *letter;
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const void *data;
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int level;
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Evas_Object *base;
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Eina_Bool selected : 1;
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};
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static const char *widtype = NULL;
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static void _del_hook(Evas_Object *obj);
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static void _theme_hook(Evas_Object *obj);
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static void _sizing_eval(Evas_Object *obj);
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static void _index_box_auto_fill(Evas_Object *obj, Evas_Object *box, int level);
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static void _index_box_clear(Evas_Object *obj, Evas_Object *box, int level);
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static void _item_free(Elm_Index_Item *it);
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static void
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_del_hook(Evas_Object *obj)
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{
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Widget_Data *wd = elm_widget_data_get(obj);
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Elm_Index_Item *it;
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Eina_List *l, *clear = NULL;
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if (!wd) return;
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_index_box_clear(obj, wd->bx[wd->level], wd->level);
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_index_box_clear(obj, wd->bx[0], 0);
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EINA_LIST_FOREACH(wd->items, l, it) clear = eina_list_append(clear, it);
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EINA_LIST_FREE(clear, it) _item_free(it);
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if (wd->delay) ecore_timer_del(wd->delay);
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free(wd);
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}
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static void
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_layout(Evas_Object *o, Evas_Object_Box_Data *priv, void *data)
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{
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Widget_Data *wd = data;
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if (!wd) return;
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_els_box_layout(o, priv, wd->horizontal, 1);
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}
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static void
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_theme_hook(Evas_Object *obj)
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{
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Widget_Data *wd = elm_widget_data_get(obj);
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if (!wd) return;
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_index_box_clear(obj, wd->bx[0], 0);
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_index_box_clear(obj, wd->bx[1], 1);
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if (wd->horizontal)
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_elm_theme_object_set(obj, wd->base, "index", "base/horizontal", elm_widget_style_get(obj));
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else
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_elm_theme_object_set(obj, wd->base, "index", "base/vertical", elm_widget_style_get(obj));
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edje_object_part_swallow(wd->base, "elm.swallow.event.0", wd->event[0]);
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edje_object_part_swallow(wd->base, "elm.swallow.index.0", wd->bx[0]);
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if (edje_object_part_exists(wd->base, "elm.swallow.index.1"))
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{
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if (!wd->bx[1])
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{
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wd->bx[1] = evas_object_box_add(evas_object_evas_get(wd->base));
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evas_object_box_layout_set(wd->bx[1], _layout, wd, NULL);
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elm_widget_sub_object_add(obj, wd->bx[1]);
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}
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edje_object_part_swallow(wd->base, "elm.swallow.index.1", wd->bx[1]);
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evas_object_show(wd->bx[1]);
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}
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else if (wd->bx[1])
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{
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evas_object_del(wd->bx[1]);
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wd->bx[1] = NULL;
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}
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if (edje_object_part_exists(wd->base, "elm.swallow.event.1"))
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{
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if (!wd->event[1])
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{
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Evas_Coord minw = 0, minh = 0;
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wd->event[1] = evas_object_rectangle_add(evas_object_evas_get(wd->base));
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evas_object_color_set(wd->event[1], 0, 0, 0, 0);
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evas_object_size_hint_min_set(wd->event[1], minw, minh);
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minw = minh = 0;
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elm_coords_finger_size_adjust(1, &minw, 1, &minh);
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elm_widget_sub_object_add(obj, wd->event[1]);
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}
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edje_object_part_swallow(wd->base, "elm.swallow.event.1", wd->event[1]);
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}
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else if (wd->event[1])
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{
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evas_object_del(wd->event[1]);
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wd->event[1] = NULL;
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}
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edje_object_message_signal_process(wd->base);
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edje_object_scale_set(wd->base, elm_widget_scale_get(obj) * _elm_config->scale);
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_sizing_eval(obj);
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_index_box_auto_fill(obj, wd->bx[0], 0);
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if (wd->active)
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if (wd->level == 1)
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_index_box_auto_fill(obj, wd->bx[1], 1);
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}
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static void
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_sizing_eval(Evas_Object *obj)
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{
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Widget_Data *wd = elm_widget_data_get(obj);
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Evas_Coord minw = -1, minh = -1, maxw = -1, maxh = -1;
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if (!wd) return;
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elm_coords_finger_size_adjust(1, &minw, 1, &minh);
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edje_object_size_min_restricted_calc(wd->base, &minw, &minh, minw, minh);
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elm_coords_finger_size_adjust(1, &minw, 1, &minh);
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evas_object_size_hint_min_set(obj, minw, minh);
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evas_object_size_hint_max_set(obj, maxw, maxh);
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}
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static Elm_Index_Item *
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_item_new(Evas_Object *obj, const char *letter, const void *item)
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{
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Widget_Data *wd = elm_widget_data_get(obj);
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Elm_Index_Item *it;
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if (!wd) return NULL;
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it = calloc(1, sizeof(Elm_Index_Item));
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if (!it) return NULL;
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it->obj = obj;
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it->letter = eina_stringshare_add(letter);
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it->data = item;
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it->level = wd->level;
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return it;
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}
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static Elm_Index_Item *
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_item_find(Evas_Object *obj, const void *item)
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{
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Widget_Data *wd = elm_widget_data_get(obj);
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Eina_List *l;
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Elm_Index_Item *it;
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if (!wd) return NULL;
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EINA_LIST_FOREACH(wd->items, l, it)
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if (it->data == item) return it;
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return NULL;
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}
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static void
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_item_free(Elm_Index_Item *it)
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{
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Widget_Data *wd = elm_widget_data_get(it->obj);
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if (!wd) return;
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wd->items = eina_list_remove(wd->items, it);
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if (it->base) evas_object_del(it->base);
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eina_stringshare_del(it->letter);
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free(it);
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}
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// FIXME: always have index filled
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static void
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_index_box_auto_fill(Evas_Object *obj, Evas_Object *box, int level)
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{
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Widget_Data *wd = elm_widget_data_get(obj);
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Eina_List *l;
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Elm_Index_Item *it;
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Evas_Coord mw, mh, w, h;
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int i = 0;
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if (!wd) return;
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if (wd->level_active[level]) return;
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evas_object_geometry_get(box, NULL, NULL, &w, &h);
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EINA_LIST_FOREACH(wd->items, l, it)
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{
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Evas_Object *o;
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const char *stacking;
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if (it->level != level) continue;
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o = edje_object_add(evas_object_evas_get(obj));
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it->base = o;
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if (i & 0x1)
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_elm_theme_object_set(obj, o, "index", "item_odd/vertical", "default");
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else
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_elm_theme_object_set(obj, o, "index", "item/vertical", "default");
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edje_object_part_text_set(o, "elm.text", it->letter);
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edje_object_size_min_restricted_calc(o, &mw, &mh, 0, 0);
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evas_object_size_hint_min_set(o, mw, mh);
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evas_object_size_hint_weight_set(o, 1.0, 1.0);
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evas_object_size_hint_align_set(o, -1.0, -1.0);
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elm_widget_sub_object_add(obj, o);
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evas_object_box_append(box, o);
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stacking = edje_object_data_get(o, "stacking");
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if (stacking)
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{
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if (!strcmp(stacking, "below")) evas_object_lower(o);
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else if (!strcmp(stacking, "above")) evas_object_raise(o);
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}
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evas_object_show(o);
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i++;
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evas_object_smart_calculate(box); // force a calc so we know the size
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evas_object_size_hint_min_get(box, &mw, &mh);
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if (mh > h)
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{
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_index_box_clear(obj, box, level);
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if (i > 0)
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{
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// FIXME: only i objects fit! try again. overflows right now
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}
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}
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}
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evas_object_smart_calculate(box);
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wd->level_active[level] = 1;
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}
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static void
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_index_box_clear(Evas_Object *obj, Evas_Object *box __UNUSED__, int level)
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{
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Widget_Data *wd = elm_widget_data_get(obj);
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Eina_List *l;
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Elm_Index_Item *it;
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if (!wd) return;
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if (!wd->level_active[level]) return;
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EINA_LIST_FOREACH(wd->items, l, it)
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{
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if (!it->base) continue;
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if (it->level != level) continue;
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evas_object_del(it->base);
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it->base = 0;
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}
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wd->level_active[level] = 0;
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}
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static int
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_delay_change(void *data)
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{
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Widget_Data *wd = elm_widget_data_get(data);
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void *d;
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if (!wd) return 0;
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wd->delay = NULL;
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d = (void *)elm_index_item_selected_get(data, wd->level);
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if (d) evas_object_smart_callback_call(data, "delay,changed", d);
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return 0;
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}
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static void
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_sel_eval(Evas_Object *obj, Evas_Coord evx, Evas_Coord evy)
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{
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Widget_Data *wd = elm_widget_data_get(obj);
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Elm_Index_Item *it, *it_closest, *it_last;
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Eina_List *l;
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Evas_Coord x, y, w, h, bx, by, bw, bh, xx, yy;
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double cdv = 0.5;
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Evas_Coord dist;
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Eina_Bool change = 0;
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char *label = NULL, *last = NULL;
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int i;
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if (!wd) return;
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for (i = 0; i <= wd->level; i++)
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{
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it_last = NULL;
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it_closest = NULL;
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dist = 0x7fffffff;
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evas_object_geometry_get(wd->bx[i], &bx, &by, &bw, &bh);
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EINA_LIST_FOREACH(wd->items, l, it)
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{
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if (!((it->level == i) && (it->base))) continue;
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if ((it->base) && (it->level != wd->level))
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{
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if (it->selected)
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{
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it_closest = it;
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break;
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}
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continue;
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}
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if (it->selected)
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{
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it_last = it;
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it->selected = 0;
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}
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evas_object_geometry_get(it->base, &x, &y, &w, &h);
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xx = x + (w / 2);
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yy = y + (h / 2);
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x = evx - xx;
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y = evy - yy;
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x = (x * x) + (y * y);
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if ((x < dist) || (!it_closest))
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{
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if (wd->horizontal)
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cdv = (double)(xx - bx) / (double)bw;
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else
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cdv = (double)(yy - by) / (double)bh;
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it_closest = it;
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dist = x;
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}
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}
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if ((i == 0) && (wd->level == 0))
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edje_object_part_drag_value_set(wd->base, "elm.dragable.index.1",
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cdv, cdv);
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if (it_closest) it_closest->selected = 1;
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if (it_closest != it_last)
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{
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change = 1;
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if (it_last)
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{
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const char *stacking, *selectraise;
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it = it_last;
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edje_object_signal_emit(it->base, "elm,state,inactive", "elm");
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stacking = edje_object_data_get(it->base, "stacking");
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selectraise = edje_object_data_get(it->base, "selectraise");
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if ((selectraise) && (!strcmp(selectraise, "on")))
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{
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if ((stacking) && (!strcmp(stacking, "below")))
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evas_object_lower(it->base);
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}
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}
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if (it_closest)
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{
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const char *selectraise;
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it = it_closest;
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edje_object_signal_emit(it->base, "elm,state,active", "elm");
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selectraise = edje_object_data_get(it->base, "selectraise");
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if ((selectraise) && (!strcmp(selectraise, "on")))
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evas_object_raise(it->base);
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evas_object_smart_callback_call((void *)obj, "changed", (void *)it->data);
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if (wd->delay) ecore_timer_del(wd->delay);
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wd->delay = ecore_timer_add(0.2, _delay_change, obj);
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}
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}
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if (it_closest)
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{
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it = it_closest;
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if (!last)
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last = strdup(it->letter);
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else
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{
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if (!label) label = strdup(last);
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else
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{
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label = realloc(label, strlen(label) + strlen(last) + 1);
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strcat(label, last);
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}
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free(last);
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last = strdup(it->letter);
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}
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}
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}
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if (!label) label = strdup("");
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if (!last) last = strdup("");
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edje_object_part_text_set(wd->base, "elm.text.body", label);
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edje_object_part_text_set(wd->base, "elm.text", last);
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free(label);
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free(last);
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}
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static void
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_wheel(void *data, Evas *e __UNUSED__, Evas_Object *o __UNUSED__, void *event_info __UNUSED__)
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{
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Widget_Data *wd = elm_widget_data_get(data);
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// Evas_Event_Mouse_Wheel *ev = event_info;
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// Evas_Object *obj = o;
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if (!wd) return;
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}
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static void
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_mouse_down(void *data, Evas *e __UNUSED__, Evas_Object *o __UNUSED__, void *event_info)
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{
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Widget_Data *wd = elm_widget_data_get(data);
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Evas_Event_Mouse_Down *ev = event_info;
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Evas_Coord x, y;
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if (!wd) return;
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if (ev->button != 1) return;
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wd->down = 1;
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evas_object_geometry_get(wd->base, &x, &y, NULL, NULL);
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wd->dx = ev->canvas.x - x;
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wd->dy = ev->canvas.y - y;
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elm_index_active_set(data, 1);
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_sel_eval(data, ev->canvas.x, ev->canvas.y);
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edje_object_part_drag_value_set(wd->base, "elm.dragable.pointer",
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wd->dx, wd->dy);
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}
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static void
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_mouse_up(void *data, Evas *e __UNUSED__, Evas_Object *o __UNUSED__, void *event_info)
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{
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Widget_Data *wd = elm_widget_data_get(data);
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Evas_Event_Mouse_Up *ev = event_info;
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void *d;
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if (!wd) return;
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if (ev->button != 1) return;
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wd->down = 0;
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d = (void *)elm_index_item_selected_get(data, wd->level);
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if (d) evas_object_smart_callback_call(data, "selected", d);
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elm_index_active_set(data, 0);
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edje_object_signal_emit(wd->base, "elm,state,level,0", "elm");
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}
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static void
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_mouse_move(void *data, Evas *e __UNUSED__, Evas_Object *o __UNUSED__, void *event_info)
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{
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Widget_Data *wd = elm_widget_data_get(data);
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Evas_Event_Mouse_Move *ev = event_info;
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Evas_Coord minw = 0, minh = 0, x, y, dx, dy, adx, ady;
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char buf[1024];
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if (!wd) return;
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if (!wd->down) return;
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elm_coords_finger_size_adjust(1, &minw, 1, &minh);
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evas_object_geometry_get(wd->base, &x, &y, NULL, NULL);
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x = ev->cur.canvas.x - x;
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y = ev->cur.canvas.y - y;
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dx = x - wd->dx;
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adx = dx;
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if (adx < 0) adx = -dx;
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dy = y - wd->dy;
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ady = dy;
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if (ady < 0) ady = -dy;
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edje_object_part_drag_value_set(wd->base, "elm.dragable.pointer", x, y);
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if (wd->horizontal)
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{
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}
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else
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{
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if (adx > minw)
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{
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if (wd->level == 0)
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{
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wd->level = 1;
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snprintf(buf, sizeof(buf), "elm,state,level,%i", wd->level);
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edje_object_signal_emit(wd->base, buf, "elm");
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evas_object_smart_callback_call(data, "level,up", NULL);
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}
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}
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else
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{
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if (wd->level == 1)
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{
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wd->level = 0;
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snprintf(buf, sizeof(buf), "elm,state,level,%i", wd->level);
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edje_object_signal_emit(wd->base, buf, "elm");
|
|
evas_object_smart_callback_call(data, "level,down", NULL);
|
|
}
|
|
}
|
|
}
|
|
_sel_eval(data, ev->cur.canvas.x, ev->cur.canvas.y);
|
|
}
|
|
|
|
/**
|
|
* Add a new index to the parent
|
|
*
|
|
* @param parent The parent object
|
|
* @return The new object or NULL if it cannot be created
|
|
*
|
|
* @ingroup Index
|
|
*/
|
|
EAPI Evas_Object *
|
|
elm_index_add(Evas_Object *parent)
|
|
{
|
|
Evas_Object *obj;
|
|
Evas_Object *o;
|
|
Evas *e;
|
|
Widget_Data *wd;
|
|
Evas_Coord minw, minh;
|
|
|
|
wd = ELM_NEW(Widget_Data);
|
|
e = evas_object_evas_get(parent);
|
|
obj = elm_widget_add(e);
|
|
ELM_SET_WIDTYPE(widtype, "index");
|
|
elm_widget_type_set(obj, "index");
|
|
elm_widget_sub_object_add(parent, obj);
|
|
elm_widget_data_set(obj, wd);
|
|
elm_widget_del_hook_set(obj, _del_hook);
|
|
elm_widget_theme_hook_set(obj, _theme_hook);
|
|
|
|
wd->horizontal = EINA_FALSE;
|
|
|
|
wd->base = edje_object_add(e);
|
|
_elm_theme_object_set(obj, wd->base, "index", "base/vertical", "default");
|
|
elm_widget_resize_object_set(obj, wd->base);
|
|
|
|
o = evas_object_rectangle_add(e);
|
|
wd->event[0] = o;
|
|
evas_object_color_set(o, 0, 0, 0, 0);
|
|
minw = minh = 0;
|
|
elm_coords_finger_size_adjust(1, &minw, 1, &minh);
|
|
evas_object_size_hint_min_set(o, minw, minh);
|
|
edje_object_part_swallow(wd->base, "elm.swallow.event.0", o);
|
|
elm_widget_sub_object_add(obj, o);
|
|
evas_object_event_callback_add(o, EVAS_CALLBACK_MOUSE_WHEEL, _wheel, obj);
|
|
evas_object_event_callback_add(o, EVAS_CALLBACK_MOUSE_DOWN, _mouse_down, obj);
|
|
evas_object_event_callback_add(o, EVAS_CALLBACK_MOUSE_UP, _mouse_up, obj);
|
|
evas_object_event_callback_add(o, EVAS_CALLBACK_MOUSE_MOVE, _mouse_move, obj);
|
|
evas_object_show(o);
|
|
if (edje_object_part_exists(wd->base, "elm.swallow.event.1"))
|
|
{
|
|
o = evas_object_rectangle_add(e);
|
|
wd->event[1] = o;
|
|
evas_object_color_set(o, 0, 0, 0, 0);
|
|
evas_object_size_hint_min_set(o, minw, minh);
|
|
edje_object_part_swallow(wd->base, "elm.swallow.event.1", o);
|
|
elm_widget_sub_object_add(obj, o);
|
|
}
|
|
|
|
wd->bx[0] = evas_object_box_add(e);
|
|
evas_object_box_layout_set(wd->bx[0], _layout, wd, NULL);
|
|
elm_widget_sub_object_add(obj, wd->bx[0]);
|
|
edje_object_part_swallow(wd->base, "elm.swallow.index.0", wd->bx[0]);
|
|
evas_object_show(wd->bx[0]);
|
|
|
|
if (edje_object_part_exists(wd->base, "elm.swallow.index.1"))
|
|
{
|
|
wd->bx[1] = evas_object_box_add(e);
|
|
evas_object_box_layout_set(wd->bx[1], _layout, wd, NULL);
|
|
elm_widget_sub_object_add(obj, wd->bx[1]);
|
|
edje_object_part_swallow(wd->base, "elm.swallow.index.1", wd->bx[1]);
|
|
evas_object_show(wd->bx[1]);
|
|
}
|
|
|
|
_sizing_eval(obj);
|
|
return obj;
|
|
}
|
|
|
|
/**
|
|
* Set the active state of the index programatically
|
|
*
|
|
* @param obj The index object
|
|
* @param active The active starte
|
|
*
|
|
* @ingroup Index
|
|
*/
|
|
EAPI void
|
|
elm_index_active_set(Evas_Object *obj, Eina_Bool active)
|
|
{
|
|
ELM_CHECK_WIDTYPE(obj, widtype);
|
|
Widget_Data *wd = elm_widget_data_get(obj);
|
|
if (!wd) return;
|
|
if (wd->active == active) return;
|
|
wd->active = active;
|
|
wd->level = 0;
|
|
if (wd->active)
|
|
{
|
|
_index_box_clear(obj, wd->bx[1], 1);
|
|
_index_box_auto_fill(obj, wd->bx[0], 0);
|
|
edje_object_signal_emit(wd->base, "elm,state,active", "elm");
|
|
}
|
|
else
|
|
edje_object_signal_emit(wd->base, "elm,state,inactive", "elm");
|
|
}
|
|
|
|
/**
|
|
* Sets the level of the item.
|
|
*
|
|
* @param obj The index object.
|
|
* @param level To be documented.
|
|
*
|
|
* @ingroup Index
|
|
*/
|
|
EAPI void
|
|
elm_index_item_level_set(Evas_Object *obj, int level)
|
|
{
|
|
ELM_CHECK_WIDTYPE(obj, widtype);
|
|
Widget_Data *wd = elm_widget_data_get(obj);
|
|
if (!wd) return;
|
|
if (wd->level == level) return;
|
|
wd->level = level;
|
|
}
|
|
|
|
/**
|
|
* Gets the level of the item.
|
|
*
|
|
* @param obj The index object
|
|
*
|
|
* @ingroup Index
|
|
*/
|
|
EAPI int
|
|
elm_index_item_level_get(const Evas_Object *obj)
|
|
{
|
|
ELM_CHECK_WIDTYPE(obj, widtype) 0;
|
|
Widget_Data *wd = elm_widget_data_get(obj);
|
|
if (!wd) return 0;
|
|
return wd->level;
|
|
}
|
|
|
|
/**
|
|
* Returns the selected item.
|
|
*
|
|
* @param obj The index object.
|
|
* @param level to be documented.
|
|
*
|
|
* @ingroup Index
|
|
*/
|
|
EAPI const void *
|
|
elm_index_item_selected_get(const Evas_Object *obj, int level)
|
|
{
|
|
ELM_CHECK_WIDTYPE(obj, widtype) NULL;
|
|
Widget_Data *wd = elm_widget_data_get(obj);
|
|
Eina_List *l;
|
|
Elm_Index_Item *it;
|
|
if (!wd) return NULL;
|
|
EINA_LIST_FOREACH(wd->items, l, it)
|
|
if ((it->selected) && (it->level == level)) return it->data;
|
|
return NULL;
|
|
}
|
|
|
|
/**
|
|
* Appends a new item.
|
|
*
|
|
* @param obj The index object.
|
|
* @param letter Letter under which the item should be indexed
|
|
* @param item The item to put in the index
|
|
*
|
|
* @ingroup Index
|
|
*/
|
|
EAPI void
|
|
elm_index_item_append(Evas_Object *obj, const char *letter, const void *item)
|
|
{
|
|
ELM_CHECK_WIDTYPE(obj, widtype);
|
|
Widget_Data *wd = elm_widget_data_get(obj);
|
|
Elm_Index_Item *it;
|
|
if (!wd) return;
|
|
it = _item_new(obj, letter, item);
|
|
if (!it) return;
|
|
wd->items = eina_list_append(wd->items, it);
|
|
_index_box_clear(obj, wd->bx[wd->level], wd->level);
|
|
}
|
|
|
|
/**
|
|
* Prepends a new item.
|
|
*
|
|
* @param obj The index object.
|
|
* @param letter Letter under which the item should be indexed
|
|
* @param item The item to put in the index
|
|
*
|
|
* @ingroup Index
|
|
*/
|
|
EAPI void
|
|
elm_index_item_prepend(Evas_Object *obj, const char *letter, const void *item)
|
|
{
|
|
ELM_CHECK_WIDTYPE(obj, widtype);
|
|
Widget_Data *wd = elm_widget_data_get(obj);
|
|
Elm_Index_Item *it;
|
|
|
|
if (!wd) return;
|
|
it = _item_new(obj, letter, item);
|
|
if (!it) return;
|
|
wd->items = eina_list_prepend(wd->items, it);
|
|
_index_box_clear(obj, wd->bx[wd->level], wd->level);
|
|
}
|
|
|
|
/**
|
|
* Append an item after @p relative in letter @p letter.
|
|
*
|
|
* @param obj The index object
|
|
* @param letter Letter under which the item should be indexed
|
|
* @param item The item to put in the index
|
|
* @param relative The item to put @p item after
|
|
*
|
|
* @ingroup Index
|
|
*/
|
|
EAPI void
|
|
elm_index_item_append_relative(Evas_Object *obj, const char *letter, const void *item, const void *relative)
|
|
{
|
|
ELM_CHECK_WIDTYPE(obj, widtype);
|
|
Widget_Data *wd = elm_widget_data_get(obj);
|
|
Elm_Index_Item *it, *it_rel;
|
|
if (!wd) return;
|
|
if (!relative)
|
|
{
|
|
elm_index_item_append(obj, letter, item);
|
|
return;
|
|
}
|
|
it = _item_new(obj, letter, item);
|
|
it_rel = _item_find(obj, relative);
|
|
if (!it_rel)
|
|
{
|
|
elm_index_item_append(obj, letter, item);
|
|
return;
|
|
}
|
|
if (!it) return;
|
|
wd->items = eina_list_append_relative(wd->items, it, it_rel);
|
|
_index_box_clear(obj, wd->bx[wd->level], wd->level);
|
|
}
|
|
|
|
/**
|
|
* Prepend an item before @p relative in letter @p letter.
|
|
*
|
|
* @param obj The index object
|
|
* @param letter Letter under which the item should be indexed
|
|
* @param item The item to put in the index
|
|
* @param relative The item to put @p item before
|
|
*
|
|
* @ingroup Index
|
|
*/
|
|
EAPI void
|
|
elm_index_item_prepend_relative(Evas_Object *obj, const char *letter, const void *item, const void *relative)
|
|
{
|
|
ELM_CHECK_WIDTYPE(obj, widtype);
|
|
Widget_Data *wd = elm_widget_data_get(obj);
|
|
Elm_Index_Item *it, *it_rel;
|
|
if (!wd) return;
|
|
if (!relative)
|
|
{
|
|
elm_index_item_prepend(obj, letter, item);
|
|
return;
|
|
}
|
|
it = _item_new(obj, letter, item);
|
|
it_rel = _item_find(obj, relative);
|
|
if (!it_rel)
|
|
{
|
|
elm_index_item_append(obj, letter, item);
|
|
return;
|
|
}
|
|
if (!it) return;
|
|
wd->items = eina_list_prepend_relative(wd->items, it, it_rel);
|
|
_index_box_clear(obj, wd->bx[wd->level], wd->level);
|
|
}
|
|
|
|
/**
|
|
* Insert a new @p item into the sorted index @p obj in @p letter.
|
|
*
|
|
* @param obj The index object
|
|
* @param letter Letter under which the item should be indexed
|
|
* @param item The item to put in the index
|
|
* @param cmp_func The function called for the sort of index items.
|
|
* @param cmp_data_func The function called for the sort of the data. It will
|
|
* be used when cmp_func return 0. It means the index item already exists.
|
|
* So, to decide which data item should be pointed by the index item, a function
|
|
* to compare them is needed. If this function is not provided, index items
|
|
* will be duplicated. If cmp_data_func returns a non-negative value, the
|
|
* previous index item data will be replaced by the inserted @p item. So
|
|
* if the previous data need to be free, it should be done in this function,
|
|
* because the reference will be lost.
|
|
*
|
|
* @ingroup Index
|
|
*/
|
|
EAPI void
|
|
elm_index_item_sorted_insert(Evas_Object *obj, const char *letter, const void *item, Eina_Compare_Cb cmp_func, Eina_Compare_Cb cmp_data_func)
|
|
{
|
|
ELM_CHECK_WIDTYPE(obj, widtype);
|
|
Widget_Data *wd = elm_widget_data_get(obj);
|
|
Eina_List *lnear;
|
|
Elm_Index_Item *it;
|
|
int cmp;
|
|
|
|
if (!wd) return;
|
|
if (!(wd->items))
|
|
{
|
|
elm_index_item_append(obj, letter, item);
|
|
return;
|
|
}
|
|
|
|
it = _item_new(obj, letter, item);
|
|
if (!it) return;
|
|
|
|
lnear = eina_list_search_sorted_near_list(wd->items, cmp_func, it, &cmp);
|
|
if (cmp < 0)
|
|
wd->items = eina_list_append_relative_list(wd->items, it, lnear);
|
|
else if (cmp > 0)
|
|
wd->items = eina_list_prepend_relative_list(wd->items, it, lnear);
|
|
else
|
|
{
|
|
/* If cmp_data_func is not provided, append a duplicated item */
|
|
if (!cmp_data_func)
|
|
wd->items = eina_list_append_relative_list(wd->items, it, lnear);
|
|
else
|
|
{
|
|
Elm_Index_Item *p_it = eina_list_data_get(lnear);
|
|
if (cmp_data_func(p_it->data, it->data) >= 0)
|
|
p_it->data = it->data;
|
|
_item_free(it);
|
|
}
|
|
}
|
|
|
|
_index_box_clear(obj, wd->bx[wd->level], wd->level);
|
|
}
|
|
|
|
/**
|
|
* Remove an item from the index.
|
|
*
|
|
* @param obj The index object
|
|
* @param item The item to remove from the index
|
|
*
|
|
* @ingroup Index
|
|
*/
|
|
EAPI void
|
|
elm_index_item_del(Evas_Object *obj, const void *item)
|
|
{
|
|
ELM_CHECK_WIDTYPE(obj, widtype);
|
|
Widget_Data *wd = elm_widget_data_get(obj);
|
|
Elm_Index_Item *it;
|
|
if (!wd) return;
|
|
it = _item_find(obj, item);
|
|
if (!it) return;
|
|
_item_free(it);
|
|
_index_box_clear(obj, wd->bx[wd->level], wd->level);
|
|
}
|
|
|
|
/**
|
|
* Find an index item using item data.
|
|
*
|
|
* @param obj The index object
|
|
* @param item The item pointed by index item
|
|
* @return The index item pointing to @p item
|
|
*
|
|
* @ingroup Index
|
|
*/
|
|
EAPI Elm_Index_Item *
|
|
elm_index_item_find(Evas_Object *obj, const void *item)
|
|
{
|
|
ELM_CHECK_WIDTYPE(obj, widtype) NULL;
|
|
Widget_Data *wd = elm_widget_data_get(obj);
|
|
if (!wd) return NULL;
|
|
return _item_find(obj, item);
|
|
}
|
|
|
|
/**
|
|
* Clears an index of its items.
|
|
*
|
|
* @param obj The index object.
|
|
*
|
|
* @ingroup Index
|
|
*/
|
|
EAPI void
|
|
elm_index_item_clear(Evas_Object *obj)
|
|
{
|
|
ELM_CHECK_WIDTYPE(obj, widtype);
|
|
Widget_Data *wd = elm_widget_data_get(obj);
|
|
Elm_Index_Item *it;
|
|
Eina_List *l, *clear = NULL;
|
|
if (!wd) return;
|
|
_index_box_clear(obj, wd->bx[wd->level], wd->level);
|
|
EINA_LIST_FOREACH(wd->items, l, it)
|
|
{
|
|
if (it->level != wd->level) continue;
|
|
clear = eina_list_append(clear, it);
|
|
}
|
|
EINA_LIST_FREE(clear, it) _item_free(it);
|
|
}
|
|
|
|
/**
|
|
* Go to item at @p level
|
|
*
|
|
* @param obj The index object
|
|
* @param level The index level
|
|
*
|
|
* @ingroup Index
|
|
*/
|
|
EAPI void
|
|
elm_index_item_go(Evas_Object *obj, int level __UNUSED__)
|
|
{
|
|
ELM_CHECK_WIDTYPE(obj, widtype);
|
|
Widget_Data *wd = elm_widget_data_get(obj);
|
|
if (!wd) return;
|
|
_index_box_auto_fill(obj, wd->bx[0], 0);
|
|
if (wd->level == 1) _index_box_auto_fill(obj, wd->bx[1], 1);
|
|
}
|
|
|
|
/**
|
|
* Returns the data associated with the item.
|
|
*
|
|
* @param it The list item
|
|
* @return The data associated with @p it
|
|
*
|
|
* @ingroup Index
|
|
*/
|
|
EAPI void *
|
|
elm_index_item_data_get(const Elm_Index_Item *it)
|
|
{
|
|
if (!it) return NULL;
|
|
return (void *)it->data;
|
|
}
|
|
|
|
/**
|
|
* Set the data item from the index item
|
|
*
|
|
* This set a new data value.
|
|
*
|
|
* @param it The item
|
|
* @param data The new data pointer to set
|
|
*
|
|
* @ingroup Index
|
|
*/
|
|
EAPI void
|
|
elm_index_item_data_set(Elm_Index_Item *it, const void *data)
|
|
{
|
|
if (!it) return;
|
|
it->data = data;
|
|
}
|
|
|
|
/**
|
|
* Gets the letter of the item.
|
|
*
|
|
* @param it The list item
|
|
* @return The letter of @p it
|
|
*
|
|
* @ingroup Index
|
|
*/
|
|
EAPI const char *
|
|
elm_index_item_letter_get(const Elm_Index_Item *it)
|
|
{
|
|
if (!it) return NULL;
|
|
return it->letter;
|
|
}
|
|
|