src/examples/slideshow_example.c

   1 /**
   2  * Simple Elementary's <b>slide show widget</b> example, illustrating its
   3  * usage and API.
   4  *
   5  * See stdout/stderr for output. Compile with:
   6  *
   7  * @verbatim
   8  * gcc -o slideshow_example slideshow_example.c -g `pkg-config --cflags --libs elementary`
   9  * @endverbatim
  10  */
  11
  12 #include <Elementary.h>
  13
  14 static void
  15 _on_done(void        *data,
  16          Evas_Object *obj,
  17          void        *event_info)
  18 {
  19    elm_exit();
  20 }
  21
  22 static Evas_Object *slideshow, *bt_start, *bt_stop;
  23 static Elm_Slideshow_Item_Class itc;
  24
  25 static char img1[256], img2[256], img3[256], img4[256], img5[256], img6[256], img7[256], img8[256], img9[256];
  26
  27 static void
  28 _notify_show(void        *data,
  29              Evas        *e,
  30              Evas_Object *obj,
  31              void        *event_info)
  32 {
  33    evas_object_show(data);
  34 }
  35
  36 /* jump to next item, cyclically */
  37 static void
  38 _next(void        *data,
  39       Evas_Object *obj,
  40       void        *event_info)
  41 {
  42    elm_slideshow_next(data);
  43 }
  44
  45 static void
  46 _previous(void        *data,
  47           Evas_Object *obj,
  48           void        *event_info)
  49 {
  50    elm_slideshow_previous(data);
  51 }
  52
  53 static void
  54 _first(void        *data,
  55        Evas_Object *obj,
  56        void        *event_info)
  57 {
  58    elm_slideshow_item_show(data);
  59 }
  60
  61 static void
  62 _last(void        *data,
  63       Evas_Object *obj,
  64       void        *event_info)
  65 {
  66    elm_slideshow_item_show(data);
  67 }
  68
  69 static void
  70 _mouse_in(void        *data,
  71           Evas        *e,
  72           Evas_Object *obj,
  73           void        *event_info)
  74 {
  75    elm_notify_timeout_set(data, 0.0);
  76    evas_object_show(data);
  77 }
  78
  79 static void
  80 _mouse_out(void        *data,
  81            Evas        *e,
  82            Evas_Object *obj,
  83            void        *event_info)
  84 {
  85    elm_notify_timeout_set(data, 3.0);
  86 }
  87
  88 /* transition changed */
  89 static void
  90 _transition_select(void        *data,
  91            Evas_Object *obj,
  92            void        *event_info)
  93 {
  94    elm_slideshow_transition_set(slideshow, data);
  95    elm_object_text_set(obj, data);
  96 }
  97
  98 static void
  99 _layout_select(void        *data,
 100                Evas_Object *obj,
 101                void        *event_info)
 102 {
 103    elm_slideshow_layout_set(slideshow, data);
 104    elm_object_text_set(obj, data);
 105 }
 106
 107 /* start the show! */
 108 static void
 109 _start(void        *data,
 110        Evas_Object *obj,
 111        void        *event_info)
 112 {
 113    elm_slideshow_timeout_set(slideshow, elm_spinner_value_get(data));
 114
 115    elm_object_disabled_set(bt_start, EINA_TRUE);
 116    elm_object_disabled_set(bt_stop, EINA_FALSE);
 117 }
 118
 119 static void
 120 _stop(void        *data,
 121       Evas_Object *obj,
 122       void        *event_info)
 123 {
 124    elm_slideshow_timeout_set(slideshow, 0.0);
 125    elm_object_disabled_set(bt_start, EINA_FALSE);
 126    elm_object_disabled_set(bt_stop, EINA_TRUE);
 127 }
 128
 129 /* slideshow transition time has changed */
 130 static void
 131 _spin(void        *data,
 132       Evas_Object *obj,
 133       void        *event_info)
 134 {
 135    if (elm_slideshow_timeout_get(slideshow) > 0)
 136      elm_slideshow_timeout_set(slideshow, elm_spinner_value_get(data));
 137 }
 138
 139 /* get our images to make slideshow items */
 140 static Evas_Object *
 141 _get(void        *data,
 142      Evas_Object *obj)
 143 {
 144    Evas_Object *photo = elm_photo_add(obj);
 145    elm_photo_file_set(photo, data);
 146    elm_photo_fill_inside_set(photo, EINA_TRUE);
 147    elm_object_style_set(photo, "shadow");
 148
 149    return photo;
 150 }
 151
 152 /* ordering alphabetically */
 153 static int
 154 _cmp_func(const void *data1,
 155           const void *data2)
 156 {
 157    const char *img_path1, *img_path2;
 158
 159    const Elm_Object_Item *slide_it1 = data1;
 160    const Elm_Object_Item *slide_it2 = data2;
 161
 162    img_path1 = elm_object_item_data_get(slide_it1);
 163    img_path2 = elm_object_item_data_get(slide_it2);
 164
 165    return strcasecmp(img_path1, img_path2);
 166 }
 167
 168 EAPI_MAIN int
 169 elm_main(int    argc,
 170          char **argv)
 171 {
 172    Evas_Object *win, *bg, *notify, *bx, *bt, *hv, *spin;
 173    Elm_Object_Item *slide_first, *slide_last, *slide_it;
 174    const char *transition, *layout;
 175    const Eina_List *l, *list;
 176    const char *data_dir;
 177
 178    elm_app_info_set(elm_main, "elementary", "images");
 179    data_dir = elm_app_data_dir_get();
 180    snprintf(img1, sizeof(img1), "%s/images/logo.png", data_dir);
 181    snprintf(img2, sizeof(img2), "%s/images/plant_01.jpg", data_dir);
 182    snprintf(img3, sizeof(img3), "%s/images/rock_01.jpg", data_dir);
 183    snprintf(img4, sizeof(img4), "%s/images/rock_02.jpg", data_dir);
 184    snprintf(img5, sizeof(img5), "%s/images/sky_01.jpg", data_dir);
 185    snprintf(img6, sizeof(img6), "%s/images/sky_04.jpg", data_dir);
 186    snprintf(img7, sizeof(img7), "%s/images/wood_01.jpg", data_dir);
 187    snprintf(img8, sizeof(img8), "%s/images/mystrale.jpg", data_dir);
 188    snprintf(img9, sizeof(img9), "%s/images/mystrale_2.jpg", data_dir);
 189
 190    win = elm_win_add(NULL, "slideshow", ELM_WIN_BASIC);
 191    elm_win_title_set(win, "Slideshow example");
 192    evas_object_smart_callback_add(win, "delete,request", _on_done, NULL);
 193    elm_win_autodel_set(win, EINA_TRUE);
 194    elm_policy_set(ELM_POLICY_QUIT, ELM_POLICY_QUIT_LAST_WINDOW_CLOSED);
 195    evas_object_resize(win, 600, 400);
 196    evas_object_show(win);
 197
 198    bg = elm_bg_add(win);
 199    evas_object_size_hint_weight_set(bg, EVAS_HINT_EXPAND, EVAS_HINT_EXPAND);
 200    elm_win_resize_object_add(win, bg);
 201    evas_object_show(bg);
 202
 203    slideshow = elm_slideshow_add(win);
 204    elm_slideshow_loop_set(slideshow, EINA_TRUE);
 205    evas_object_size_hint_weight_set(slideshow,
 206                                     EVAS_HINT_EXPAND, EVAS_HINT_EXPAND);
 207    elm_win_resize_object_add(win, slideshow);
 208    evas_object_show(slideshow);
 209
 210    itc.func.get = _get;
 211    itc.func.del = NULL;
 212
 213    slide_first = elm_slideshow_item_sorted_insert(slideshow, &itc, img1, _cmp_func);
 214    elm_slideshow_item_sorted_insert(slideshow, &itc, img2, _cmp_func);
 215    elm_slideshow_item_sorted_insert(slideshow, &itc, img3, _cmp_func);
 216    elm_slideshow_item_sorted_insert(slideshow, &itc, img4, _cmp_func);
 217    elm_slideshow_item_sorted_insert(slideshow, &itc, img5, _cmp_func);
 218    elm_slideshow_item_sorted_insert(slideshow, &itc, img6, _cmp_func);
 219    elm_slideshow_item_sorted_insert(slideshow, &itc, img7, _cmp_func);
 220    elm_slideshow_item_sorted_insert(slideshow, &itc, img8, _cmp_func);
 221    slide_last = elm_slideshow_item_add(slideshow, &itc, img9);
 222
 223    list = elm_slideshow_items_get(slideshow);
 224    fprintf(stdout, "List of items in the slideshow:\n");
 225    EINA_LIST_FOREACH(list, l, slide_it)
 226      fprintf(stdout, "\t%s\n",
 227              (const char *)elm_object_item_data_get(slide_it));
 228
 229    notify = elm_notify_add(win);
 230    elm_notify_orient_set(notify, ELM_NOTIFY_ORIENT_BOTTOM);
 231    evas_object_size_hint_weight_set(notify, EVAS_HINT_EXPAND, EVAS_HINT_EXPAND);
 232    elm_win_resize_object_add(win, notify);
 233    elm_notify_timeout_set(notify, 3.0);
 234
 235    bx = elm_box_add(win);
 236    elm_box_horizontal_set(bx, EINA_TRUE);
 237    elm_object_content_set(notify, bx);
 238    evas_object_show(bx);
 239
 240    evas_object_event_callback_add(bx, EVAS_CALLBACK_MOUSE_IN, _mouse_in,
 241                                   notify);
 242    evas_object_event_callback_add(bx, EVAS_CALLBACK_MOUSE_OUT, _mouse_out,
 243                                   notify);
 244
 245    bt = elm_button_add(win);
 246    elm_object_text_set(bt, "Previous");
 247    evas_object_smart_callback_add(bt, "clicked", _previous, slideshow);
 248    elm_box_pack_end(bx, bt);
 249    evas_object_show(bt);
 250
 251    bt = elm_button_add(win);
 252    elm_object_text_set(bt, "Next");
 253    evas_object_smart_callback_add(bt, "clicked", _next, slideshow);
 254    elm_box_pack_end(bx, bt);
 255    evas_object_show(bt);
 256
 257    bt = elm_button_add(win);
 258    elm_object_text_set(bt, "First");
 259    evas_object_smart_callback_add(bt, "clicked", _first, slide_first);
 260    elm_box_pack_end(bx, bt);
 261    evas_object_show(bt);
 262
 263    bt = elm_button_add(win);
 264    elm_object_text_set(bt, "Last");
 265    evas_object_smart_callback_add(bt, "clicked", _last, slide_last);
 266    elm_box_pack_end(bx, bt);
 267    evas_object_show(bt);
 268
 269    hv = elm_hoversel_add(win);
 270    elm_box_pack_end(bx, hv);
 271    elm_hoversel_hover_parent_set(hv, win);
 272    EINA_LIST_FOREACH(elm_slideshow_transitions_get(slideshow), l, transition)
 273      elm_hoversel_item_add(hv, transition, NULL, 0, _transition_select,
 274                            transition);
 275    elm_object_text_set(hv, eina_list_data_get(
 276                          elm_slideshow_transitions_get(slideshow)));
 277    evas_object_show(hv);
 278
 279    hv = elm_hoversel_add(win);
 280    elm_box_pack_end(bx, hv);
 281    elm_hoversel_hover_parent_set(hv, win);
 282    EINA_LIST_FOREACH(elm_slideshow_layouts_get(slideshow), l, layout)
 283      elm_hoversel_item_add(hv, layout, NULL, 0, _layout_select, layout);
 284    elm_object_text_set(hv, elm_slideshow_layout_get(slideshow));
 285    evas_object_show(hv);
 286
 287    spin = elm_spinner_add(win);
 288    elm_spinner_label_format_set(spin, "%2.0f s");
 289    evas_object_smart_callback_add(spin, "changed", _spin, spin);
 290    elm_spinner_step_set(spin, 1);
 291    elm_spinner_min_max_set(spin, 1, 30);
 292    elm_spinner_value_set(spin, 3);
 293    elm_box_pack_end(bx, spin);
 294    evas_object_show(spin);
 295
 296    bt = elm_button_add(win);
 297    bt_start = bt;
 298    elm_object_text_set(bt, "Start");
 299    evas_object_smart_callback_add(bt, "clicked", _start, spin);
 300    elm_box_pack_end(bx, bt);
 301    evas_object_show(bt);
 302
 303    bt = elm_button_add(win);
 304    bt_stop = bt;
 305    elm_object_text_set(bt, "Stop");
 306    evas_object_smart_callback_add(bt, "clicked", _stop, spin);
 307    elm_box_pack_end(bx, bt);
 308    elm_object_disabled_set(bt, EINA_TRUE);
 309    evas_object_show(bt);
 310
 311    evas_object_event_callback_add(slideshow, EVAS_CALLBACK_MOUSE_UP,
 312                                   _notify_show, notify);
 313    evas_object_event_callback_add(slideshow, EVAS_CALLBACK_MOUSE_MOVE,
 314                                   _notify_show, notify);
 315
 316    _notify_show(notify, NULL, NULL, NULL);
 317
 318    elm_run();
 319    elm_shutdown();
 320
 321    return 0;
 322 }
 323 ELM_MAIN()