forked from enlightenment/efl
211 lines
5.7 KiB
C
211 lines
5.7 KiB
C
/**
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* Simple Elementary's <b>index widget</b> example, illustrating its
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* usage and API.
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*
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* See stdout/stderr for output. Compile with:
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*
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* @verbatim
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* gcc -g index_example.c -o index_example `pkg-config --cflags --libs elementary`
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* @endverbatim
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*/
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#include <Elementary.h>
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#include <assert.h>
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struct example_data
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{
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Evas_Object *list, *index;
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};
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struct example_data d = {NULL, NULL};
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static const char *dict[] = \
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{
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#include "dict.txt"
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};
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static void
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_index_item_del(void *data,
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Evas_Object *obj,
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void *event_info)
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{
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fprintf(stdout, "Deleting index node (%s). Comparing index "
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"item data reported via callback with the one returned by "
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"index's API on items: %s.\n",
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elm_index_item_letter_get(event_info),
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data == elm_object_item_data_get(event_info) ? "OK" :
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"FAIL, something went wrong");
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}
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/* delete an index item */
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static void
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_item_del(void *data,
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Evas_Object *obj,
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void *event_info)
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{
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Elm_Object_Item *iit = elm_index_selected_item_get(d.index, 0);
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if (!iit) return;
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fprintf(stdout, "Deleting last selected index item, which had letter"
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" %s (pointing to %p)\n", elm_index_item_letter_get(iit),
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elm_object_item_data_get(iit));
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elm_object_item_del(iit);
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}
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static void
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_item_del_all(void *data,
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Evas_Object *obj,
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void *event_info)
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{
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elm_index_item_clear(d.index);
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}
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static void
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_active_set(void *data,
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Evas_Object *obj,
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void *event_info)
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{
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elm_index_autohide_disabled_set
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(d.index, !elm_index_autohide_disabled_get(d.index));
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fprintf(stdout, "Toggling index programmatically.\n");
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}
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/* "delay,changed" hook */
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static void
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_index_changed(void *data,
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Evas_Object *obj,
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void *event_info)
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{
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elm_list_item_bring_in(elm_object_item_data_get(event_info));
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}
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static void
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_index_selected(void *data,
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Evas_Object *obj,
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void *event_info)
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{
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Elm_Object_Item *lit = event_info;
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fprintf(stdout, "New index item selected. Comparing item reported"
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" via callback with the selection returned by the API: "
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"%s.\n", lit == elm_index_selected_item_get(obj, 0) ? "OK" :
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"FAIL, something went wrong");
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}
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static void
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_on_done(void *data,
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Evas_Object *obj,
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void *event_info)
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{
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elm_exit();
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}
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EAPI_MAIN int
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elm_main(int argc,
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char **argv)
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{
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Evas_Object *win, *bg, *hbox, *vbox, *bt, *sep;
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Elm_Object_Item *lit;
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unsigned int i;
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char curr = 0;
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win = elm_win_add(NULL, "index", ELM_WIN_BASIC);
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elm_win_title_set(win, "Index Example");
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evas_object_smart_callback_add(win, "delete,request", _on_done, NULL);
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bg = elm_bg_add(win);
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elm_win_resize_object_add(win, bg);
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evas_object_size_hint_weight_set(bg, EVAS_HINT_EXPAND, EVAS_HINT_EXPAND);
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evas_object_show(bg);
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vbox = elm_box_add(win);
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elm_win_resize_object_add(win, vbox);
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evas_object_size_hint_weight_set(vbox, EVAS_HINT_EXPAND, EVAS_HINT_EXPAND);
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evas_object_show(vbox);
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d.list = elm_list_add(win);
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evas_object_size_hint_weight_set(d.list, EVAS_HINT_EXPAND,
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EVAS_HINT_EXPAND);
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evas_object_size_hint_align_set(d.list, EVAS_HINT_FILL, EVAS_HINT_FILL);
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evas_object_show(d.list);
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elm_box_pack_end(vbox, d.list);
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d.index = elm_index_add(win);
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elm_win_resize_object_add(win, d.index);
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evas_object_size_hint_weight_set(d.index, EVAS_HINT_EXPAND,
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EVAS_HINT_EXPAND);
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evas_object_size_hint_align_set(d.list, EVAS_HINT_FILL, EVAS_HINT_FILL);
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evas_object_show(d.index);
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for (i = 0; i < (sizeof(dict) / sizeof(dict[0])); i++)
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{
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lit = elm_list_item_append(d.list, dict[i], NULL, NULL, NULL, NULL);
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if (curr != dict[i][0])
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{
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Elm_Object_Item *index_it, *it;
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char buf[32];
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curr = dict[i][0];
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/* indexing by first letters */
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snprintf(buf, sizeof(buf), "%c", curr);
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index_it = elm_index_item_append(d.index, buf, NULL, lit);
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/* this is here just to demostrate the API call */
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it = elm_index_item_find(d.index, lit);
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assert(it == index_it);
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elm_object_item_del_cb_set(index_it, _index_item_del);
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}
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}
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evas_object_smart_callback_add(d.index, "delay,changed", _index_changed,
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NULL);
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evas_object_smart_callback_add(d.index, "selected", _index_selected, NULL);
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/* attribute setting knobs */
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sep = elm_separator_add(win);
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elm_separator_horizontal_set(sep, EINA_TRUE);
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elm_box_pack_end(vbox, sep);
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evas_object_show(sep);
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hbox = elm_box_add(win);
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elm_box_horizontal_set(hbox, EINA_TRUE);
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evas_object_size_hint_weight_set(hbox, EVAS_HINT_EXPAND, 0);
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evas_object_size_hint_fill_set(hbox, EVAS_HINT_FILL, EVAS_HINT_FILL);
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elm_box_pack_end(vbox, hbox);
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evas_object_show(hbox);
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bt = elm_button_add(win);
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elm_object_text_set(bt, "bring in index");
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evas_object_smart_callback_add(bt, "clicked", _active_set, NULL);
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elm_box_pack_end(hbox, bt);
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evas_object_show(bt);
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bt = elm_button_add(win);
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elm_object_text_set(bt, "delete last selected item");
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evas_object_smart_callback_add(bt, "clicked", _item_del, NULL);
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elm_box_pack_end(hbox, bt);
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evas_object_show(bt);
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bt = elm_button_add(win);
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elm_object_text_set(bt, "delete all items");
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evas_object_smart_callback_add(bt, "clicked", _item_del_all, NULL);
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elm_box_pack_end(hbox, bt);
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evas_object_show(bt);
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evas_object_resize(win, 320, 600);
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evas_object_show(win);
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elm_run();
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elm_shutdown();
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return 0;
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}
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ELM_MAIN()
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