src/examples/map_example_03.c

   1 /**
   2  * Simple Elementary's <b>map widget</b> example, illustrating route and
   3  * name usage.
   4  *
   5  * See stdout/stderr for output. Compile with:
   6  *
   7  * @verbatim
   8  * gcc -g map_example_03.c -o map_example_03 `pkg-config --cflags --libs elementary`
   9  * @endverbatim
  10  */
  11
  12 #include <Elementary.h>
  13
  14 typedef struct _Example_Data
  15 {
  16    Evas_Object *map, *entry;
  17    Elm_Map_Route *route;
  18    double start_lon, start_lat, dest_lon, dest_lat;
  19    Elm_Map_Name *name;
  20    Elm_Map_Overlay *route_ovl;
  21 } Example_Data;
  22
  23 static Example_Data example_data;
  24
  25 static void
  26 _route_loaded(void *data, Evas_Object *obj, void *ev)
  27 {
  28    Example_Data *exam_data = data;
  29
  30    exam_data->route_ovl = elm_map_overlay_route_add(obj, exam_data->route);
  31    elm_map_overlay_color_set(exam_data->route_ovl, 0, 255, 0, 255);
  32 }
  33
  34 static void
  35 _name_loaded(void *data, Evas_Object *obj, void *ev)
  36 {
  37    Example_Data *exam_data = data;
  38    Evas_Object *map = obj;
  39
  40    if (exam_data->route)
  41      elm_map_route_del(exam_data->route);
  42
  43    elm_map_name_region_get(exam_data->name, &(exam_data->dest_lon),
  44                            &(exam_data->dest_lat));
  45
  46    exam_data->route = elm_map_route_add(map, ELM_MAP_ROUTE_TYPE_FOOT,
  47                      ELM_MAP_ROUTE_METHOD_SHORTEST,
  48                      exam_data->start_lon, exam_data->start_lat,
  49                      exam_data->dest_lon, exam_data->dest_lat,
  50                      NULL, NULL);
  51 }
  52
  53 static void
  54 _bt_route(void *data, Evas_Object *obj, void *ev)
  55 {
  56    Example_Data *exam_data = data;
  57    Evas_Object *map;
  58    char *address;
  59
  60    map = exam_data->map;
  61    address = (char *)elm_object_text_get(exam_data->entry);
  62
  63    exam_data->name = elm_map_name_add(map, address, 0, 0, NULL, NULL);
  64
  65    evas_object_smart_callback_add(map, "name,loaded", _name_loaded, data);
  66    evas_object_smart_callback_add(map, "route,loaded", _route_loaded, data);
  67 }
  68
  69 static void
  70 _bt_zoom_in(void *data, Evas_Object *obj, void *ev)
  71 {
  72    int zoom;
  73    elm_map_zoom_mode_set(data, ELM_MAP_ZOOM_MODE_MANUAL);
  74    zoom = elm_map_zoom_get(data);
  75    elm_map_zoom_set(data, zoom + 1);
  76 }
  77
  78 static void
  79 _bt_zoom_out(void *data, Evas_Object *obj, void *ev)
  80 {
  81    int zoom;
  82    elm_map_zoom_mode_set(data, ELM_MAP_ZOOM_MODE_MANUAL);
  83    zoom = elm_map_zoom_get(data);
  84    elm_map_zoom_set(data, zoom - 1);
  85 }
  86
  87 static void
  88 _bt_zoom_fit(void *data, Evas_Object *obj, void *event_info)
  89 {
  90    elm_map_zoom_mode_set(data, ELM_MAP_ZOOM_MODE_AUTO_FIT);
  91 }
  92
  93 static void
  94 _bt_zoom_fill(void *data, Evas_Object *obj, void *event_info)
  95 {
  96    elm_map_zoom_mode_set(data, ELM_MAP_ZOOM_MODE_AUTO_FILL);
  97 }
  98
  99 static void
 100 _on_done(void *data, Evas_Object *obj, void *event_info)
 101 {
 102    elm_exit();
 103 }
 104
 105 /* FIXME: it shouldn't be required. For unknown reason map won't call
 106  * pan_calculate until shot delay time, but then it will take a screenshot
 107  * when the map isn't loaded yet (actually it won't be downloaded, because
 108  * after the SS it will kill the example). */
 109 static Eina_Bool
 110 _nasty_hack(void *data)
 111 {
 112    Evas_Object *o = data;
 113    Evas *e = evas_object_evas_get(o);
 114    evas_smart_objects_calculate(e);
 115    return ECORE_CALLBACK_CANCEL;
 116 }
 117
 118 EAPI_MAIN int
 119 elm_main(int argc, char **argv)
 120 {
 121    Evas_Object *win, *bg, *map, *box, *bt, *entry;
 122
 123    win = elm_win_add(NULL, "map", ELM_WIN_BASIC);
 124    elm_win_title_set(win, "Map Route Example");
 125    evas_object_smart_callback_add(win, "delete,request", _on_done, NULL);
 126
 127    bg = elm_bg_add(win);
 128    elm_win_resize_object_add(win, bg);
 129    evas_object_size_hint_weight_set(bg, EVAS_HINT_EXPAND, EVAS_HINT_EXPAND);
 130    evas_object_show(bg);
 131
 132    map = elm_map_add(win);
 133    elm_win_resize_object_add(win, map);
 134    evas_object_size_hint_weight_set(map, EVAS_HINT_EXPAND, EVAS_HINT_EXPAND);
 135    evas_object_show(map);
 136
 137    box = elm_box_add(win);
 138    evas_object_show(box);
 139
 140    bt = elm_button_add(win);
 141    elm_object_text_set(bt, "+");
 142    elm_box_pack_end(box, bt);
 143    evas_object_show(bt);
 144    evas_object_smart_callback_add(bt, "clicked", _bt_zoom_in, map);
 145    evas_object_size_hint_align_set(bt, EVAS_HINT_FILL, 0);
 146
 147    bt = elm_button_add(win);
 148    elm_object_text_set(bt, "-");
 149    elm_box_pack_end(box, bt);
 150    evas_object_show(bt);
 151    evas_object_smart_callback_add(bt, "clicked", _bt_zoom_out, map);
 152    evas_object_size_hint_align_set(bt, EVAS_HINT_FILL, 0);
 153
 154    bt = elm_button_add(win);
 155    elm_object_text_set(bt, "X");
 156    elm_box_pack_end(box, bt);
 157    evas_object_show(bt);
 158    evas_object_smart_callback_add(bt, "clicked", _bt_zoom_fit, map);
 159    evas_object_size_hint_align_set(bt, EVAS_HINT_FILL, 0);
 160
 161    bt = elm_button_add(win);
 162    elm_object_text_set(bt, "#");
 163    elm_box_pack_end(box, bt);
 164    evas_object_show(bt);
 165    evas_object_smart_callback_add(bt, "clicked", _bt_zoom_fill, map);
 166    evas_object_size_hint_align_set(bt, EVAS_HINT_FILL, 0);
 167
 168    elm_box_horizontal_set(box, EINA_TRUE);
 169    elm_win_resize_object_add(win, box);
 170    evas_object_size_hint_weight_set(box, EVAS_HINT_EXPAND, EVAS_HINT_EXPAND);
 171    evas_object_size_hint_align_set(box, EVAS_HINT_FILL, 0);
 172
 173    entry = elm_entry_add(win);
 174    elm_entry_scrollable_set(entry, EINA_TRUE);
 175    elm_entry_single_line_set(entry, EINA_TRUE);
 176    elm_object_text_set(entry, "Jockey Club Brasileiro");
 177    evas_object_size_hint_weight_set(entry, EVAS_HINT_EXPAND, EVAS_HINT_EXPAND);
 178    evas_object_size_hint_align_set(entry, EVAS_HINT_FILL, 0);
 179    elm_box_pack_end(box, entry);
 180    evas_object_show(entry);
 181
 182    bt = elm_button_add(win);
 183    elm_object_text_set(bt, "Route");
 184    elm_box_pack_end(box, bt);
 185    evas_object_show(bt);
 186    evas_object_smart_callback_add(bt, "clicked", _bt_route, &example_data);
 187    evas_object_size_hint_align_set(bt, EVAS_HINT_FILL, 0);
 188
 189    example_data.map = map;
 190    example_data.entry = entry;
 191    example_data.route = NULL;
 192    example_data.start_lon = -43.175;
 193    example_data.start_lat = -22.97;
 194
 195    elm_map_zoom_set(map, 12);
 196    elm_map_region_show(map, example_data.start_lon, example_data.start_lat);
 197
 198    evas_object_resize(win, 512, 512);
 199    evas_object_show(win);
 200
 201    ecore_timer_add(0.5, _nasty_hack, win);
 202
 203    elm_run();
 204    elm_shutdown();
 205
 206    return 0;
 207 }
 208 ELM_MAIN()