forked from enlightenment/efl
419 lines
12 KiB
C
419 lines
12 KiB
C
//Compile with:
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//gcc -g `pkg-config --cflags --libs elementary` genlist_example_04.c -o genlist_example_04
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#include <Elementary.h>
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#ifdef HAVE_CONFIG_H
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# include "elementary_config.h"
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#else
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# define __UNUSED__
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#endif
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#define N_ITEMS 6
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typedef struct _Node_Data {
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Eina_List *children;
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int value;
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int level;
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Eina_Bool favorite;
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} Node_Data;
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static Elm_Genlist_Item_Class _itc;
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static Elm_Genlist_Item_Class _itp;
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static Elm_Genlist_Item_Class _itfav;
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static int nitems = 0;
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static char *
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_item_label_get(void *data, Evas_Object *obj __UNUSED__, const char *part)
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{
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char buf[256];
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Node_Data *d = data;
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if (!strcmp(part, "elm.text"))
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snprintf(buf, sizeof(buf), "Item # %i (level %i)", d->value, d->level);
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return strdup(buf);
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}
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static Evas_Object *
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_item_content_get(void *data __UNUSED__, Evas_Object *obj, const char *part)
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{
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Evas_Object *ic = elm_icon_add(obj);
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if (!strcmp(part, "elm.swallow.icon"))
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elm_icon_standard_set(ic, "file");
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evas_object_size_hint_aspect_set(ic, EVAS_ASPECT_CONTROL_VERTICAL, 1, 1);
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return ic;
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}
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static void
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_item_sel_cb(void *data, Evas_Object *obj, void *event_info)
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{
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printf("sel item data [%p] on genlist obj [%p], item pointer [%p]\n",
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data, obj, event_info);
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}
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static char *
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_parent_label_get(void *data, Evas_Object *obj __UNUSED__, const char *part __UNUSED__)
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{
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char buf[256];
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Node_Data *d = data;
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snprintf(buf, sizeof(buf), "Group %d (%d items)", d->value / 7,
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eina_list_count(d->children));
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return strdup(buf);
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}
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static Evas_Object *
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_parent_content_get(void *data __UNUSED__, Evas_Object *obj, const char *part __UNUSED__)
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{
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Evas_Object *ic = elm_icon_add(obj);
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if (!strcmp(part, "elm.swallow.icon"))
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elm_icon_standard_set(ic, "folder");
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evas_object_size_hint_aspect_set(ic, EVAS_ASPECT_CONTROL_VERTICAL, 1, 1);
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return ic;
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}
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static char *
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_favorite_label_get(void *data, Evas_Object *obj __UNUSED__, const char *part)
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{
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char buf[256];
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Node_Data *d = data;
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if (!strcmp(part, "elm.text"))
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snprintf(buf, sizeof(buf), "Favorite # %i", d->value);
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return strdup(buf);
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}
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static Evas_Object *
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_favorite_content_get(void *data __UNUSED__, Evas_Object *obj, const char *part)
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{
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Evas_Object *ic = elm_icon_add(obj);
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if (!strcmp(part, "elm.swallow.icon"))
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elm_icon_standard_set(ic, "apps");
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evas_object_size_hint_aspect_set(ic, EVAS_ASPECT_CONTROL_VERTICAL, 1, 1);
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return ic;
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}
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static void
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_append_cb(void *data, Evas_Object *o __UNUSED__, void *event_info __UNUSED__)
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{
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Evas_Object *list = data;
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Elm_Object_Item *glit, *parent = NULL;
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Node_Data *pdata, *d = malloc(sizeof(*d));
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d->children = NULL;
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d->value = nitems++;
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d->favorite = EINA_FALSE;
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glit = elm_genlist_selected_item_get(list);
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if (glit)
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parent = elm_genlist_item_parent_get(glit);
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if (parent)
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{
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d->level = elm_genlist_item_expanded_depth_get(parent) + 1;
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pdata = elm_object_item_data_get(parent);
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pdata->children = eina_list_append(pdata->children, d);
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}
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else
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d->level = 0;
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elm_genlist_item_append(list, &_itc,
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d, parent,
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ELM_GENLIST_ITEM_NONE,
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_item_sel_cb, NULL);
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}
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static void
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_favorite_cb(void *data, Evas_Object *o __UNUSED__, void *event_info __UNUSED__)
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{
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Evas_Object *list = data;
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Elm_Object_Item *glit = elm_genlist_selected_item_get(list);
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if (!glit) return;
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Node_Data *d = elm_object_item_data_get(glit);
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d->favorite = !d->favorite;
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if (d->favorite)
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elm_genlist_item_item_class_update(glit, &_itfav);
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else
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{
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if (d->children)
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elm_genlist_item_item_class_update(glit, &_itp);
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else
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elm_genlist_item_item_class_update(glit, &_itc);
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}
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elm_genlist_item_update(glit);
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}
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static void
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_add_child_cb(void *data, Evas_Object *o __UNUSED__, void *event_info __UNUSED__)
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{
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Evas_Object *list = data;
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Elm_Object_Item *glit = elm_genlist_selected_item_get(list);
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Elm_Object_Item *glit_prev, *glit_parent;
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if (!glit) return;
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Node_Data *d = elm_object_item_data_get(glit);
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glit_prev = elm_genlist_item_prev_get(glit);
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glit_parent = elm_genlist_item_parent_get(glit);
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Eina_Bool change_item = !d->children;
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// creating new item data
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Node_Data *ndata = malloc(sizeof(*ndata));
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ndata->value = nitems++;
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ndata->children = NULL;
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ndata->favorite = EINA_FALSE;
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ndata->level = elm_genlist_item_expanded_depth_get(glit) + 1;
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d->children = eina_list_append(d->children, ndata);
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// Changing leaf item to parent item
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if (change_item)
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{
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elm_genlist_item_del(glit);
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if (glit_prev != glit_parent)
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glit = elm_genlist_item_insert_after(list, &_itp, d, glit_parent,
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glit_prev,
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ELM_GENLIST_ITEM_SUBITEMS,
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_item_sel_cb, NULL);
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else
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glit = elm_genlist_item_prepend(list, &_itp, d, glit_parent,
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ELM_GENLIST_ITEM_SUBITEMS,
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_item_sel_cb, NULL);
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elm_genlist_item_expanded_set(glit, EINA_FALSE);
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elm_genlist_item_selected_set(glit, EINA_TRUE);
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}
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else if (elm_genlist_item_expanded_get(glit))
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{
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elm_genlist_item_append(list, &_itc, ndata, glit,
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ELM_GENLIST_ITEM_NONE, _item_sel_cb, NULL);
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}
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elm_genlist_item_update(glit);
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}
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static void
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_clear_list(Node_Data *d)
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{
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Node_Data *tmp;
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EINA_LIST_FREE(d->children, tmp)
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_clear_list(tmp);
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free(d);
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}
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static void
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_del_item_cb(void *data, Evas_Object *o __UNUSED__, void *event_info __UNUSED__)
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{
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Evas_Object *list = data;
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Elm_Object_Item *glit = elm_genlist_selected_item_get(list);
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Elm_Object_Item *glit_parent = NULL;
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if (!glit) return;
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Node_Data *pdata, *d = elm_object_item_data_get(glit);
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glit_parent = elm_genlist_item_parent_get(glit);
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elm_genlist_item_subitems_clear(glit);
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elm_genlist_item_del(glit);
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_clear_list(d);
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if (!glit_parent) return;
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pdata = elm_object_item_data_get(glit_parent);
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pdata->children = eina_list_remove(pdata->children, d);
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elm_genlist_item_update(glit_parent);
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}
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static void
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_expand_request_cb(void *data __UNUSED__, Evas_Object *o __UNUSED__, void *event_info)
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{
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Elm_Object_Item *glit = event_info;
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printf("expand request on item: %p\n", event_info);
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elm_genlist_item_expanded_set(glit, EINA_TRUE);
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}
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static void
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_contract_request_cb(void *data __UNUSED__, Evas_Object *o __UNUSED__, void *event_info)
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{
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Elm_Object_Item *glit = event_info;
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printf("contract request on item: %p\n", event_info);
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elm_genlist_item_expanded_set(glit, EINA_FALSE);
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}
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static void
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_expanded_cb(void *data __UNUSED__, Evas_Object *o __UNUSED__, void *event_info)
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{
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Eina_List *l;
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Elm_Object_Item *glit = event_info;
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Node_Data *it_data, *d = elm_object_item_data_get(glit);
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Evas_Object *list = elm_genlist_item_genlist_get(glit);
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Elm_Genlist_Item_Class *ic;
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EINA_LIST_FOREACH(d->children, l, it_data)
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{
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Elm_Object_Item *nitem;
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Elm_Genlist_Item_Flags flags = ELM_GENLIST_ITEM_NONE;
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printf("expanding item: #%d from parent #%d\n", it_data->value, d->value);
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if (it_data->favorite)
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ic = &_itfav;
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else if (it_data->children)
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{
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ic = &_itp;
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flags = ELM_GENLIST_ITEM_SUBITEMS;
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}
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else
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ic = &_itc;
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nitem = elm_genlist_item_append(list, ic, it_data, glit,
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flags, _item_sel_cb, NULL);
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elm_genlist_item_expanded_set(nitem, EINA_FALSE);
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}
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}
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static void
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_contracted_cb(void *data __UNUSED__, Evas_Object *o __UNUSED__, void *event_info)
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{
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Elm_Object_Item *glit = event_info;
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elm_genlist_item_subitems_clear(glit);
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}
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static Evas_Object *
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_button_add(Evas_Object *list, Evas_Object *box, const char *label, Evas_Smart_Cb cb)
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{
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Evas_Object *bt;
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bt = elm_button_add(elm_object_parent_widget_get(list));
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elm_object_text_set(bt, label);
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elm_box_pack_end(box, bt);
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evas_object_show(bt);
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if (cb)
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evas_object_smart_callback_add(bt, "clicked", cb, list);
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return bt;
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}
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int
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elm_main(int argc __UNUSED__, char **argv __UNUSED__)
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{
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Evas_Object *win, *bg, *box, *fbox;
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Evas_Object *list;
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int i;
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win = elm_win_add(NULL, "icon", ELM_WIN_BASIC);
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elm_win_title_set(win, "Icon");
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elm_policy_set(ELM_POLICY_QUIT, ELM_POLICY_QUIT_LAST_WINDOW_CLOSED);
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elm_win_autodel_set(win, EINA_TRUE);
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bg = elm_bg_add(win);
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elm_bg_color_set(bg, 255,255 ,255);
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evas_object_size_hint_weight_set(bg, EVAS_HINT_EXPAND, EVAS_HINT_EXPAND);
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elm_win_resize_object_add(win, bg);
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evas_object_show(bg);
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box = elm_box_add(win);
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evas_object_size_hint_weight_set(box, EVAS_HINT_EXPAND, EVAS_HINT_EXPAND);
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evas_object_size_hint_align_set(box, EVAS_HINT_FILL, EVAS_HINT_FILL);
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elm_win_resize_object_add(win, box);
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evas_object_show(box);
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_itc.item_style = "default";
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_itc.func.text_get = _item_label_get;
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_itc.func.content_get = _item_content_get;
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_itc.func.state_get = NULL;
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_itc.func.del = NULL;
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_itp.item_style = "default";
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_itp.func.text_get = _parent_label_get;
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_itp.func.content_get = _parent_content_get;
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_itp.func.state_get = NULL;
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_itp.func.del = NULL;
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_itfav.item_style = "default";
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_itfav.func.text_get = _favorite_label_get;
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_itfav.func.content_get = _favorite_content_get;
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_itfav.func.state_get = NULL;
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_itfav.func.del = NULL;
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list = elm_genlist_add(win);
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evas_object_size_hint_weight_set(list, EVAS_HINT_EXPAND, EVAS_HINT_EXPAND);
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evas_object_size_hint_align_set(list, EVAS_HINT_FILL, EVAS_HINT_FILL);
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elm_box_pack_end(box, list);
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evas_object_show(list);
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fbox = elm_box_add(win);
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elm_box_layout_set(fbox, evas_object_box_layout_flow_horizontal,
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NULL, NULL);
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evas_object_size_hint_weight_set(fbox, EVAS_HINT_EXPAND, 0);
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evas_object_size_hint_align_set(fbox, EVAS_HINT_FILL, EVAS_HINT_FILL);
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elm_box_pack_end(box, fbox);
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evas_object_show(fbox);
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_button_add(list, fbox, "append item", _append_cb);
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_button_add(list, fbox, "favorite", _favorite_cb);
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_button_add(list, fbox, "add child", _add_child_cb);
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_button_add(list, fbox, "del item", _del_item_cb);
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for (i = 0; i < N_ITEMS; i++)
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{
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Elm_Object_Item *gli, *glg;
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Node_Data *data = malloc(sizeof(*data)); // data for this item
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data->children = NULL;
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data->value = i;
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data->favorite = EINA_FALSE;
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nitems++;
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Node_Data *pdata; // data for the parent of the group
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printf("creating item: #%d\n", data->value);
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if (i % 3 == 0)
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{
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glg = gli = elm_genlist_item_append(list, &_itp, data, NULL,
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ELM_GENLIST_ITEM_SUBITEMS,
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_item_sel_cb, NULL);
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elm_genlist_item_expanded_set(glg, EINA_TRUE);
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pdata = data;
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data->level = 0;
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}
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else
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{
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gli = elm_genlist_item_append(list, &_itc, data, glg,
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ELM_GENLIST_ITEM_NONE,
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_item_sel_cb, NULL);
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pdata->children = eina_list_append(pdata->children, data);
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data->level = 1;
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}
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}
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evas_object_smart_callback_add(list, "expand,request", _expand_request_cb, list);
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evas_object_smart_callback_add(list, "contract,request", _contract_request_cb, list);
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evas_object_smart_callback_add(list, "expanded", _expanded_cb, list);
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evas_object_smart_callback_add(list, "contracted", _contracted_cb, list);
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evas_object_size_hint_min_set(bg, 160, 160);
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evas_object_size_hint_max_set(bg, 640, 800);
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evas_object_resize(win, 420, 600);
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evas_object_show(win);
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elm_run();
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return 0;
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}
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ELM_MAIN()
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