map_example_01.c

#include <Elementary.h>

static void
_bt_zoom_in(void *data, Evas_Object *obj, void *ev)
{
   int zoom;
   elm_map_zoom_mode_set(data, ELM_MAP_ZOOM_MODE_MANUAL);
   zoom = elm_map_zoom_get(data);
   elm_map_zoom_set(data, zoom + 1);
}

static void
_bt_zoom_out(void *data, Evas_Object *obj, void *ev)
{
   int zoom;
   elm_map_zoom_mode_set(data, ELM_MAP_ZOOM_MODE_MANUAL);
   zoom = elm_map_zoom_get(data);
   elm_map_zoom_set(data, zoom - 1);
}

static void
_bt_zoom_fit(void *data, Evas_Object *obj, void *event_info)
{
   elm_map_zoom_mode_set(data, ELM_MAP_ZOOM_MODE_AUTO_FIT);
}

static void
_bt_zoom_fill(void *data, Evas_Object *obj, void *event_info)
{
   elm_map_zoom_mode_set(data, ELM_MAP_ZOOM_MODE_AUTO_FILL);
}

/* FIXME: it shouldn't be required. For unknown reason map won't call
 * pan_calculate until shot delay time, but then it will take a screenshot
 * when the map isn't loaded yet (actually it won't be downloaded, because
 * after the SS it will kill the example). */
static Eina_Bool
_nasty_hack(void *data)
{
   Evas_Object *o = data;
   Evas *e = evas_object_evas_get(o);
   evas_smart_objects_calculate(e);
   return ECORE_CALLBACK_CANCEL;
}

EAPI_MAIN int
elm_main(int argc, char **argv)
{
   Evas_Object *win, *map, *box, *bt;

   elm_policy_set(ELM_POLICY_QUIT, ELM_POLICY_QUIT_LAST_WINDOW_CLOSED);

   win = elm_win_util_standard_add("map", "Map Creation Example");
   elm_win_autodel_set(win, EINA_TRUE);

   map = elm_map_add(win);
   evas_object_size_hint_weight_set(map, EVAS_HINT_EXPAND, EVAS_HINT_EXPAND);
   elm_win_resize_object_add(win, map);
   evas_object_show(map);

   box = elm_box_add(win);
   evas_object_show(box);

   bt = elm_button_add(win);
   elm_object_text_set(bt, "+");
   elm_box_pack_end(box, bt);
   evas_object_show(bt);
   evas_object_smart_callback_add(bt, "clicked", _bt_zoom_in, map);

   bt = elm_button_add(win);
   elm_object_text_set(bt, "-");
   elm_box_pack_end(box, bt);
   evas_object_show(bt);
   evas_object_smart_callback_add(bt, "clicked", _bt_zoom_out, map);

   bt = elm_button_add(win);
   elm_object_text_set(bt, "X");
   elm_box_pack_end(box, bt);
   evas_object_show(bt);
   evas_object_smart_callback_add(bt, "clicked", _bt_zoom_fit, map);

   bt = elm_button_add(win);
   elm_object_text_set(bt, "#");
   elm_box_pack_end(box, bt);
   evas_object_show(bt);
   evas_object_smart_callback_add(bt, "clicked", _bt_zoom_fill, map);

   elm_map_zoom_set(map, 12);
   elm_map_region_show(map, -43.2, -22.9);
   evas_object_resize(win, 512, 512);
   evas_object_show(win);

   ecore_timer_add(0.5, _nasty_hack, win);

   elm_run();

   return 0;
}
ELM_MAIN()