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 `pkg-config --cflags --libs elementary` map_example_03.c -o map_example_03
   9  * @endverbatim
  10  */
  11
  12 #include <Elementary.h>
  13 #ifdef HAVE_CONFIG_H
  14 # include "elementary_config.h"
  15 #else
  16 # define __UNUSED__
  17 #endif
  18
  19 typedef struct _Example_Data
  20 {
  21    Evas_Object *map, *entry;
  22    Elm_Map_Route *route;
  23    double start_lon, start_lat, dest_lon, dest_lat;
  24    Elm_Map_Name *name;
  25    Elm_Map_Overlay *route_ovl;
  26 } Example_Data;
  27
  28 static Example_Data example_data;
  29
  30 static void
  31 _route_loaded(void *data, Evas_Object *obj, void *ev __UNUSED__)
  32 {
  33    Example_Data *example_data = data;
  34
  35    example_data->route_ovl = elm_map_overlay_route_add(obj, example_data->route);
  36    elm_map_overlay_color_set(example_data->route_ovl, 0, 255, 0, 255);
  37 }
  38
  39 static void
  40 _name_loaded(void *data, Evas_Object *obj, void *ev __UNUSED__)
  41 {
  42    Example_Data *example_data = data;
  43    Evas_Object *map = obj;
  44
  45    if (example_data->route)
  46      elm_map_route_remove(example_data->route);
  47
  48    elm_map_name_region_get(example_data->name, &(example_data->dest_lon),
  49                            &(example_data->dest_lat));
  50
  51    example_data->route = elm_map_route_add(map, ELM_MAP_ROUTE_TYPE_FOOT,
  52                      ELM_MAP_ROUTE_METHOD_SHORTEST,
  53                      example_data->start_lon, example_data->start_lat,
  54                      example_data->dest_lon, example_data->dest_lat,
  55                      NULL, NULL);
  56 }
  57
  58 static void
  59 _bt_route(void *data, Evas_Object *obj __UNUSED__, void *ev __UNUSED__)
  60 {
  61    Example_Data *example_data = data;
  62    Evas_Object *map;
  63    char *address;
  64
  65    map = example_data->map;
  66    address = (char *)elm_object_text_get(example_data->entry);
  67
  68    example_data->name = elm_map_name_add(map, address, 0, 0, NULL, NULL);
  69
  70    evas_object_smart_callback_add(map, "name,loaded", _name_loaded, data);
  71    evas_object_smart_callback_add(map, "route,loaded", _route_loaded, data);
  72 }
  73
  74 static void
  75 _bt_zoom_in(void *data, Evas_Object *obj __UNUSED__, void *ev __UNUSED__)
  76 {
  77    int zoom;
  78    elm_map_zoom_mode_set(data, ELM_MAP_ZOOM_MODE_MANUAL);
  79    zoom = elm_map_zoom_get(data);
  80    elm_map_zoom_set(data, zoom + 1);
  81 }
  82
  83 static void
  84 _bt_zoom_out(void *data, Evas_Object *obj __UNUSED__, void *ev __UNUSED__)
  85 {
  86    int zoom;
  87    elm_map_zoom_mode_set(data, ELM_MAP_ZOOM_MODE_MANUAL);
  88    zoom = elm_map_zoom_get(data);
  89    elm_map_zoom_set(data, zoom - 1);
  90 }
  91
  92 static void
  93 _bt_zoom_fit(void *data, Evas_Object *obj __UNUSED__, void *event_info __UNUSED__)
  94 {
  95    elm_map_zoom_mode_set(data, ELM_MAP_ZOOM_MODE_AUTO_FIT);
  96 }
  97
  98 static void
  99 _bt_zoom_fill(void *data, Evas_Object *obj __UNUSED__, void *event_info __UNUSED__)
 100 {
 101    elm_map_zoom_mode_set(data, ELM_MAP_ZOOM_MODE_AUTO_FILL);
 102 }
 103
 104 static void
 105 _on_done(void *data __UNUSED__, Evas_Object *obj __UNUSED__, void *event_info __UNUSED__)
 106 {
 107    elm_exit();
 108 }
 109
 110 /* FIXME: it shouldn't be required. For unknown reason map won't call
 111  * pan_calculate until shot delay time, but then it will take a screenshot
 112  * when the map isn't loaded yet (actually it won't be downloaded, because
 113  * after the SS it will kill the example). */
 114 static Eina_Bool
 115 _nasty_hack(void *data)
 116 {
 117    Evas_Object *o = data;
 118    Evas *e = evas_object_evas_get(o);
 119    evas_smart_objects_calculate(e);
 120    return ECORE_CALLBACK_CANCEL;
 121 }
 122
 123 EAPI_MAIN int
 124 elm_main(int argc __UNUSED__, char **argv __UNUSED__)
 125 {
 126    Evas_Object *win, *bg, *map, *box, *bt, *entry;
 127
 128    win = elm_win_add(NULL, "map", ELM_WIN_BASIC);
 129    elm_win_title_set(win, "Map Route Example");
 130    evas_object_smart_callback_add(win, "delete,request", _on_done, NULL);
 131
 132    bg = elm_bg_add(win);
 133    elm_win_resize_object_add(win, bg);
 134    evas_object_size_hint_weight_set(bg, EVAS_HINT_EXPAND, EVAS_HINT_EXPAND);
 135    evas_object_show(bg);
 136
 137    map = elm_map_add(win);
 138    elm_win_resize_object_add(win, map);
 139    evas_object_size_hint_weight_set(map, EVAS_HINT_EXPAND, EVAS_HINT_EXPAND);
 140    evas_object_show(map);
 141
 142    box = elm_box_add(win);
 143    evas_object_show(box);
 144
 145    bt = elm_button_add(win);
 146    elm_object_text_set(bt, "+");
 147    elm_box_pack_end(box, bt);
 148    evas_object_show(bt);
 149    evas_object_smart_callback_add(bt, "clicked", _bt_zoom_in, map);
 150    evas_object_size_hint_align_set(bt, EVAS_HINT_FILL, 0);
 151
 152    bt = elm_button_add(win);
 153    elm_object_text_set(bt, "-");
 154    elm_box_pack_end(box, bt);
 155    evas_object_show(bt);
 156    evas_object_smart_callback_add(bt, "clicked", _bt_zoom_out, map);
 157    evas_object_size_hint_align_set(bt, EVAS_HINT_FILL, 0);
 158
 159    bt = elm_button_add(win);
 160    elm_object_text_set(bt, "X");
 161    elm_box_pack_end(box, bt);
 162    evas_object_show(bt);
 163    evas_object_smart_callback_add(bt, "clicked", _bt_zoom_fit, map);
 164    evas_object_size_hint_align_set(bt, EVAS_HINT_FILL, 0);
 165
 166    bt = elm_button_add(win);
 167    elm_object_text_set(bt, "#");
 168    elm_box_pack_end(box, bt);
 169    evas_object_show(bt);
 170    evas_object_smart_callback_add(bt, "clicked", _bt_zoom_fill, map);
 171    evas_object_size_hint_align_set(bt, EVAS_HINT_FILL, 0);
 172
 173    elm_box_horizontal_set(box, EINA_TRUE);
 174    elm_win_resize_object_add(win, box);
 175    evas_object_size_hint_weight_set(box, EVAS_HINT_EXPAND, EVAS_HINT_EXPAND);
 176    evas_object_size_hint_align_set(box, EVAS_HINT_FILL, 0);
 177
 178    entry = elm_entry_add(win);
 179    elm_entry_scrollable_set(entry, EINA_TRUE);
 180    elm_entry_single_line_set(entry, EINA_TRUE);
 181    elm_object_text_set(entry, "Jockey Club Brasileiro");
 182    evas_object_size_hint_weight_set(entry, EVAS_HINT_EXPAND, EVAS_HINT_EXPAND);
 183    evas_object_size_hint_align_set(entry, EVAS_HINT_FILL, 0);
 184    elm_box_pack_end(box, entry);
 185    evas_object_show(entry);
 186
 187    bt = elm_button_add(win);
 188    elm_object_text_set(bt, "Route");
 189    elm_box_pack_end(box, bt);
 190    evas_object_show(bt);
 191    evas_object_smart_callback_add(bt, "clicked", _bt_route, &example_data);
 192    evas_object_size_hint_align_set(bt, EVAS_HINT_FILL, 0);
 193
 194    example_data.map = map;
 195    example_data.entry = entry;
 196    example_data.route = NULL;
 197    example_data.start_lon = -43.175;
 198    example_data.start_lat = -22.97;
 199
 200    elm_map_zoom_set(map, 12);
 201    elm_map_region_show(map, example_data.start_lon, example_data.start_lat);
 202
 203    evas_object_resize(win, 512, 512);
 204    evas_object_show(win);
 205
 206    ecore_timer_add(0.5, _nasty_hack, win);
 207
 208    elm_run();
 209    return 0;
 210 }
 211 ELM_MAIN()