efl

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//  gcc -o efl_ui_collection_view_example_1 efl_ui_collection_view_example_1.c `pkg-config --cflags --libs efl-ui
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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 EFL_BETA_API_SUPPORT 1
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#endif
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#include <Efl_Ui.h>
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#include <Elementary.h>
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#include <Efl.h>
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#include <Eio.h>
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#include <stdio.h>
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#define NUM_ITEMS 400
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static Efl_Model*
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_make_model(Evas_Object *win)
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{
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   Eina_Value vtext;
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   Efl_Generic_Model *model, *child;
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   unsigned int i;
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   char buf[256];
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   model = efl_add(EFL_GENERIC_MODEL_CLASS, win);
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   eina_value_setup(&vtext, EINA_VALUE_TYPE_STRING);
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   for (i = 0; i < (NUM_ITEMS); i++)
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     {
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        child = efl_model_child_add(model);
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        snprintf(buf, sizeof(buf), "Item # %i", i);
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        eina_value_set(&vtext, buf);
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        efl_model_property_set(child, "title", &vtext);
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     }
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   eina_value_flush(&vtext);
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   return model;
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}
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static void
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_item_constructing(void *data EINA_UNUSED, const Efl_Event *ev)
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{
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   Efl_Gfx_Entity *item = ev->info;
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   if (!efl_ui_item_calc_locked_get(item))
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     efl_gfx_hint_size_min_set(item, EINA_SIZE2D(50, 50));
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}
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EAPI_MAIN void
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efl_main(void *data EINA_UNUSED, const Efl_Event *ev)
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{
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   Efl_Ui_Factory *factory;
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   Evas_Object *win, *li;
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   Eo *model;
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   Eo *position_manager;
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   Efl_App *app = ev->object;
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   Eina_Accessor *ac;
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   Eina_Bool list = EINA_TRUE, multi = EINA_FALSE, none = EINA_FALSE;
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   Efl_Ui_Select_Mode mode = EFL_UI_SELECT_MODE_SINGLE;
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   const char *arg;
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   unsigned int i;
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   ac = efl_core_command_line_command_access(app);
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   EINA_ACCESSOR_FOREACH(ac, i, arg)
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     {
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        if (eina_streq(arg, "grid")) list = EINA_FALSE;
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        if (eina_streq(arg, "multi")) multi = EINA_TRUE;
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        if (eina_streq(arg, "none")) none = EINA_TRUE;
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     }
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   eina_accessor_free(ac);
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   if (multi) mode = EFL_UI_SELECT_MODE_MULTI;
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   if (none) mode = EFL_UI_SELECT_MODE_NONE;
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   win = efl_add(EFL_UI_WIN_CLASS, app,
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                 efl_ui_win_type_set(efl_added, EFL_UI_WIN_TYPE_BASIC),
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                 efl_ui_win_autohide_set(efl_added, EINA_TRUE));
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   elm_policy_set(ELM_POLICY_QUIT, ELM_POLICY_QUIT_LAST_WINDOW_HIDDEN);
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   model = _make_model(win);
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   factory = efl_add(EFL_UI_LAYOUT_FACTORY_CLASS, win);
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   efl_ui_property_bind(factory, "text", "title");
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   if (list)
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     {
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        position_manager = efl_new(EFL_UI_POSITION_MANAGER_LIST_CLASS);
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        efl_ui_widget_factory_item_class_set(factory, EFL_UI_LIST_DEFAULT_ITEM_CLASS);
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     }
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   else
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     {
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        position_manager = efl_new(EFL_UI_POSITION_MANAGER_GRID_CLASS);
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        efl_ui_widget_factory_item_class_set(factory, EFL_UI_GRID_DEFAULT_ITEM_CLASS);
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        efl_event_callback_add(factory, EFL_UI_FACTORY_EVENT_ITEM_CONSTRUCTING, _item_constructing, NULL);
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     }
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   li = efl_add(EFL_UI_COLLECTION_VIEW_CLASS, win,
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                efl_ui_collection_view_position_manager_set(efl_added, position_manager),
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                efl_ui_view_model_set(efl_added, model),
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                efl_ui_multi_selectable_select_mode_set(efl_added, mode),
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                efl_ui_collection_view_factory_set(efl_added, factory));
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   efl_content_set(win, li);
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   //showall
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   efl_gfx_entity_size_set(win, EINA_SIZE2D(320, 320));
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}
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EFL_MAIN()
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