diff options
Diffstat (limited to 'src/examples/elementary/genlist_example_05.c')
| -rw-r--r-- | src/examples/elementary/genlist_example_05.c | 418 |
1 files changed, 418 insertions, 0 deletions
diff --git a/src/examples/elementary/genlist_example_05.c b/src/examples/elementary/genlist_example_05.c new file mode 100644 index 0000000000..ee2f67888a --- /dev/null +++ b/src/examples/elementary/genlist_example_05.c @@ -0,0 +1,418 @@ +//Compile with: +//gcc -g genlist_example_05.c -o genlist_example_05 `pkg-config --cflags --libs elementary` + +#include <Elementary.h> + +#define N_ITEMS 6 + +typedef struct _Node_Data { + Eina_List *children; + int value; + int level; + Eina_Bool favorite; +} Node_Data; + +static Elm_Genlist_Item_Class *_itc = NULL; +static Elm_Genlist_Item_Class *_itp = NULL; +static Elm_Genlist_Item_Class *_itfav = NULL; +static int nitems = 0; + +static char * +_item_label_get(void *data, Evas_Object *obj, const char *part) +{ + char buf[256] = {0}; + Node_Data *d = data; + + if (!strcmp(part, "elm.text")) + snprintf(buf, sizeof(buf), "Item # %i (level %i)", d->value, d->level); + + return strdup(buf); +} + +static Evas_Object * +_item_content_get(void *data, Evas_Object *obj, const char *part) +{ + Evas_Object *ic = elm_icon_add(obj); + + if (!strcmp(part, "elm.swallow.icon")) + elm_icon_standard_set(ic, "file"); + + evas_object_size_hint_aspect_set(ic, EVAS_ASPECT_CONTROL_VERTICAL, 1, 1); + return ic; +} + +static void +_item_sel_cb(void *data, Evas_Object *obj, void *event_info) +{ + printf("sel item data [%p] on genlist obj [%p], item pointer [%p]\n", + data, obj, event_info); +} + +static char * +_parent_label_get(void *data, Evas_Object *obj, const char *part) +{ + char buf[256]; + Node_Data *d = data; + + snprintf(buf, sizeof(buf), "Group %d (%d items)", d->value / 7, + eina_list_count(d->children)); + + return strdup(buf); +} + +static Evas_Object * +_parent_content_get(void *data, Evas_Object *obj, const char *part) +{ + Evas_Object *ic = elm_icon_add(obj); + + if (!strcmp(part, "elm.swallow.icon")) + elm_icon_standard_set(ic, "folder"); + + evas_object_size_hint_aspect_set(ic, EVAS_ASPECT_CONTROL_VERTICAL, 1, 1); + return ic; +} + +static char * +_favorite_label_get(void *data, Evas_Object *obj, const char *part) +{ + char buf[256] = {0}; + Node_Data *d = data; + + if (!strcmp(part, "elm.text")) + snprintf(buf, sizeof(buf), "Favorite # %i", d->value); + + return strdup(buf); +} + +static Evas_Object * +_favorite_content_get(void *data, Evas_Object *obj, const char *part) +{ + Evas_Object *ic = elm_icon_add(obj); + + if (!strcmp(part, "elm.swallow.icon")) + elm_icon_standard_set(ic, "apps"); + + evas_object_size_hint_aspect_set(ic, EVAS_ASPECT_CONTROL_VERTICAL, 1, 1); + return ic; +} + +static void +_append_cb(void *data, Evas_Object *o, void *event_info) +{ + Evas_Object *list = data; + Elm_Object_Item *glit, *parent = NULL; + Node_Data *pdata, *d = malloc(sizeof(*d)); + + d->children = NULL; + d->value = nitems++; + d->favorite = EINA_FALSE; + + glit = elm_genlist_selected_item_get(list); + if (glit) + parent = elm_genlist_item_parent_get(glit); + + if (parent) + { + d->level = elm_genlist_item_expanded_depth_get(parent) + 1; + pdata = elm_object_item_data_get(parent); + pdata->children = eina_list_append(pdata->children, d); + } + else + d->level = 0; + + elm_genlist_item_append(list, _itc, + d, parent, + ELM_GENLIST_ITEM_NONE, + _item_sel_cb, NULL); +} + +static void +_favorite_cb(void *data, Evas_Object *o, void *event_info) +{ + Evas_Object *list = data; + Elm_Object_Item *glit = elm_genlist_selected_item_get(list); + + if (!glit) return; + + Node_Data *d = elm_object_item_data_get(glit); + d->favorite = !d->favorite; + if (d->favorite) + elm_genlist_item_item_class_update(glit, _itfav); + else + { + if (d->children) + elm_genlist_item_item_class_update(glit, _itp); + else + elm_genlist_item_item_class_update(glit, _itc); + } + + elm_genlist_item_update(glit); +} + +static void +_add_child_cb(void *data, Evas_Object *o, void *event_info) +{ + Evas_Object *list = data; + Elm_Object_Item *glit = elm_genlist_selected_item_get(list); + Elm_Object_Item *glit_prev, *glit_parent; + + if (!glit) return; + + Node_Data *d = elm_object_item_data_get(glit); + glit_prev = elm_genlist_item_prev_get(glit); + glit_parent = elm_genlist_item_parent_get(glit); + + Eina_Bool change_item = !d->children; + + // creating new item data + Node_Data *ndata = malloc(sizeof(*ndata)); + ndata->value = nitems++; + ndata->children = NULL; + ndata->favorite = EINA_FALSE; + ndata->level = elm_genlist_item_expanded_depth_get(glit) + 1; + d->children = eina_list_append(d->children, ndata); + + // Changing leaf item to parent item + if (change_item) + { + elm_object_item_del(glit); + + if (glit_prev != glit_parent) + glit = elm_genlist_item_insert_after(list, _itp, d, glit_parent, + glit_prev, + ELM_GENLIST_ITEM_TREE, + _item_sel_cb, NULL); + else + glit = elm_genlist_item_prepend(list, _itp, d, glit_parent, + ELM_GENLIST_ITEM_TREE, + _item_sel_cb, NULL); + elm_genlist_item_expanded_set(glit, EINA_FALSE); + elm_genlist_item_selected_set(glit, EINA_TRUE); + } + else if (elm_genlist_item_expanded_get(glit)) + { + elm_genlist_item_append(list, _itc, ndata, glit, + ELM_GENLIST_ITEM_NONE, _item_sel_cb, NULL); + } + + elm_genlist_item_update(glit); + +} + +static void +_clear_list(Node_Data *d) +{ + Node_Data *tmp; + + EINA_LIST_FREE(d->children, tmp) + _clear_list(tmp); + free(d); +} + +static void +_del_item_cb(void *data, Evas_Object *o, void *event_info) +{ + Evas_Object *list = data; + Elm_Object_Item *glit = elm_genlist_selected_item_get(list); + Elm_Object_Item *glit_parent = NULL; + + if (!glit) return; + + Node_Data *pdata, *d = elm_object_item_data_get(glit); + glit_parent = elm_genlist_item_parent_get(glit); + elm_genlist_item_subitems_clear(glit); + elm_object_item_del(glit); + + if (glit_parent) + { + pdata = elm_object_item_data_get(glit_parent); + pdata->children = eina_list_remove(pdata->children, d); + } + + _clear_list(d); + + elm_genlist_item_update(glit_parent); +} + +static void +_expand_request_cb(void *data, Evas_Object *o, void *event_info) +{ + Elm_Object_Item *glit = event_info; + printf("expand request on item: %p\n", event_info); + elm_genlist_item_expanded_set(glit, EINA_TRUE); +} + +static void +_contract_request_cb(void *data, Evas_Object *o, void *event_info) +{ + Elm_Object_Item *glit = event_info; + printf("contract request on item: %p\n", event_info); + elm_genlist_item_expanded_set(glit, EINA_FALSE); +} + +static void +_expanded_cb(void *data, Evas_Object *o, void *event_info) +{ + Eina_List *l; + Elm_Object_Item *glit = event_info; + Node_Data *it_data, *d = elm_object_item_data_get(glit); + Evas_Object *list = elm_object_item_widget_get(glit); + + Elm_Genlist_Item_Class *ic; + + EINA_LIST_FOREACH(d->children, l, it_data) + { + Elm_Object_Item *nitem; + Elm_Genlist_Item_Type type = ELM_GENLIST_ITEM_NONE; + printf("expanding item: #%d from parent #%d\n", it_data->value, d->value); + if (it_data->favorite) + ic = _itfav; + else if (it_data->children) + { + ic = _itp; + type = ELM_GENLIST_ITEM_TREE; + } + else + ic = _itc; + + nitem = elm_genlist_item_append(list, ic, it_data, glit, + type, _item_sel_cb, NULL); + elm_genlist_item_expanded_set(nitem, EINA_FALSE); + } +} + +static void +_contracted_cb(void *data, Evas_Object *o, void *event_info) +{ + Elm_Object_Item *glit = event_info; + elm_genlist_item_subitems_clear(glit); +} + +static Evas_Object * +_button_add(Evas_Object *list, Evas_Object *box, const char *label, Evas_Smart_Cb cb) +{ + Evas_Object *bt; + + bt = elm_button_add(elm_object_parent_widget_get(list)); + elm_object_text_set(bt, label); + elm_box_pack_end(box, bt); + evas_object_show(bt); + + if (cb) + evas_object_smart_callback_add(bt, "clicked", cb, list); + + return bt; +} + +EAPI_MAIN int +elm_main(int argc, char **argv) +{ + Evas_Object *win, *box, *fbox; + Evas_Object *list; + int i; + + win = elm_win_util_standard_add("genlist", "Genlist"); + elm_policy_set(ELM_POLICY_QUIT, ELM_POLICY_QUIT_LAST_WINDOW_CLOSED); + elm_win_autodel_set(win, EINA_TRUE); + + box = elm_box_add(win); + evas_object_size_hint_weight_set(box, EVAS_HINT_EXPAND, EVAS_HINT_EXPAND); + elm_win_resize_object_add(win, box); + evas_object_show(box); + + if (!_itc) + { + _itc = elm_genlist_item_class_new(); + _itc->item_style = "default"; + _itc->func.text_get = _item_label_get; + _itc->func.content_get = _item_content_get; + _itc->func.state_get = NULL; + _itc->func.del = NULL; + } + + if (!_itp) + { + _itp = elm_genlist_item_class_new(); + _itp->item_style = "default"; + _itp->func.text_get = _parent_label_get; + _itp->func.content_get = _parent_content_get; + _itp->func.state_get = NULL; + _itp->func.del = NULL; + } + + if (!_itfav) + { + _itfav = elm_genlist_item_class_new(); + _itfav->item_style = "default"; + _itfav->func.text_get = _favorite_label_get; + _itfav->func.content_get = _favorite_content_get; + _itfav->func.state_get = NULL; + _itfav->func.del = NULL; + } + + list = elm_genlist_add(win); + + evas_object_size_hint_weight_set(list, EVAS_HINT_EXPAND, EVAS_HINT_EXPAND); + evas_object_size_hint_align_set(list, EVAS_HINT_FILL, EVAS_HINT_FILL); + elm_box_pack_end(box, list); + evas_object_show(list); + + fbox = elm_box_add(win); + elm_box_layout_set(fbox, evas_object_box_layout_flow_horizontal, + NULL, NULL); + evas_object_size_hint_weight_set(fbox, EVAS_HINT_EXPAND, 0); + evas_object_size_hint_align_set(fbox, EVAS_HINT_FILL, EVAS_HINT_FILL); + elm_box_pack_end(box, fbox); + evas_object_show(fbox); + + _button_add(list, fbox, "append item", _append_cb); + _button_add(list, fbox, "favorite", _favorite_cb); + _button_add(list, fbox, "add child", _add_child_cb); + _button_add(list, fbox, "del item", _del_item_cb); + + + Node_Data *pdata = NULL; // data for the parent of the group + Elm_Object_Item *glg = NULL; + for (i = 0; i < N_ITEMS; i++) + { + Elm_Object_Item *gli = NULL; + Node_Data *data = malloc(sizeof(*data)); // data for this item + data->children = NULL; + data->value = i; + data->favorite = EINA_FALSE; + nitems++; + + printf("creating item: #%d\n", data->value); + if (i % 3 == 0) + { + glg = gli = elm_genlist_item_append(list, _itp, data, NULL, + ELM_GENLIST_ITEM_TREE, + _item_sel_cb, NULL); + elm_genlist_item_expanded_set(glg, EINA_TRUE); + pdata = data; + data->level = 0; + } + else + { + gli = elm_genlist_item_append(list, _itc, data, glg, + ELM_GENLIST_ITEM_NONE, + _item_sel_cb, NULL); + if (pdata) + pdata->children = eina_list_append(pdata->children, data); + data->level = 1; + } + } + + evas_object_smart_callback_add(list, "expand,request", _expand_request_cb, list); + evas_object_smart_callback_add(list, "contract,request", _contract_request_cb, list); + evas_object_smart_callback_add(list, "expanded", _expanded_cb, list); + evas_object_smart_callback_add(list, "contracted", _contracted_cb, list); + + evas_object_resize(win, 420, 600); + evas_object_show(win); + + elm_run(); + + return 0; +} +ELM_MAIN() |