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 -g `pkg-config --cflags --libs elementary` slideshow_example.c -o slideshow_example
   9  * @endverbatim
  10  */
  11
  12 #include <Elementary.h>
  13 #ifdef HAVE_CONFIG_H
  14 # include "elementary_config.h"
  15 #else
  16 # define __UNUSED__
  17 # define PACKAGE_DATA_DIR "../../data"
  18 #endif
  19
  20 static void
  21 _on_done(void        *data __UNUSED__,
  22          Evas_Object *obj __UNUSED__,
  23          void        *event_info __UNUSED__)
  24 {
  25    elm_exit();
  26 }
  27
  28 static Evas_Object *slideshow, *bt_start, *bt_stop;
  29 static Elm_Slideshow_Item_Class itc;
  30
  31 static const char *img1 = PACKAGE_DATA_DIR "/images/logo.png";
  32 static const char *img2 = PACKAGE_DATA_DIR "/images/plant_01.jpg";
  33 static const char *img3 = PACKAGE_DATA_DIR "/images/rock_01.jpg";
  34 static const char *img4 = PACKAGE_DATA_DIR "/images/rock_02.jpg";
  35 static const char *img5 = PACKAGE_DATA_DIR "/images/sky_01.jpg";
  36 static const char *img6 = PACKAGE_DATA_DIR "/images/sky_04.jpg";
  37 static const char *img7 = PACKAGE_DATA_DIR "/images/wood_01.jpg";
  38 static const char *img8 = PACKAGE_DATA_DIR "/images/mystrale.jpg";
  39 static const char *img9 = PACKAGE_DATA_DIR "/images/mystrale_2.jpg";
  40
  41 static void
  42 _notify_show(void        *data,
  43              Evas        *e __UNUSED__,
  44              Evas_Object *obj __UNUSED__,
  45              void        *event_info __UNUSED__)
  46 {
  47    evas_object_show(data);
  48 }
  49
  50 /* jump to next item, cyclically */
  51 static void
  52 _next(void        *data,
  53       Evas_Object *obj __UNUSED__,
  54       void        *event_info __UNUSED__)
  55 {
  56    elm_slideshow_next(data);
  57 }
  58
  59 static void
  60 _previous(void        *data,
  61           Evas_Object *obj __UNUSED__,
  62           void        *event_info __UNUSED__)
  63 {
  64    elm_slideshow_previous(data);
  65 }
  66
  67 static void
  68 _first(void        *data,
  69        Evas_Object *obj __UNUSED__,
  70        void        *event_info __UNUSED__)
  71 {
  72 <<<<<<< HEAD
  73    elm_slideshow_show(data);
  74 =======
  75    elm_slideshow_item_show(data);
  76 >>>>>>> remotes/origin/upstream
  77 }
  78
  79 static void
  80 _last(void        *data,
  81       Evas_Object *obj __UNUSED__,
  82       void        *event_info __UNUSED__)
  83 {
  84 <<<<<<< HEAD
  85    elm_slideshow_show(data);
  86 =======
  87    elm_slideshow_item_show(data);
  88 >>>>>>> remotes/origin/upstream
  89 }
  90
  91 static void
  92 _mouse_in(void        *data,
  93           Evas        *e __UNUSED__,
  94           Evas_Object *obj __UNUSED__,
  95           void        *event_info __UNUSED__)
  96 {
  97    elm_notify_timeout_set(data, 0.0);
  98    evas_object_show(data);
  99 }
 100
 101 static void
 102 _mouse_out(void        *data,
 103            Evas        *e __UNUSED__,
 104            Evas_Object *obj __UNUSED__,
 105            void        *event_info __UNUSED__)
 106 {
 107    elm_notify_timeout_set(data, 3.0);
 108 }
 109
 110 /* transition changed */
 111 static void
 112 _transition_select(void        *data,
 113            Evas_Object *obj,
 114            void        *event_info __UNUSED__)
 115 {
 116    elm_slideshow_transition_set(slideshow, data);
 117    elm_object_text_set(obj, data);
 118 }
 119
 120 static void
 121 _layout_select(void        *data,
 122                Evas_Object *obj,
 123                void        *event_info __UNUSED__)
 124 {
 125    elm_slideshow_layout_set(slideshow, data);
 126    elm_object_text_set(obj, data);
 127 }
 128
 129 /* start the show! */
 130 static void
 131 _start(void        *data,
 132        Evas_Object *obj __UNUSED__,
 133        void        *event_info __UNUSED__)
 134 {
 135    elm_slideshow_timeout_set(slideshow, elm_spinner_value_get(data));
 136
 137    elm_object_disabled_set(bt_start, EINA_TRUE);
 138    elm_object_disabled_set(bt_stop, EINA_FALSE);
 139 }
 140
 141 static void
 142 _stop(void        *data __UNUSED__,
 143       Evas_Object *obj __UNUSED__,
 144       void        *event_info __UNUSED__)
 145 {
 146    elm_slideshow_timeout_set(slideshow, 0.0);
 147    elm_object_disabled_set(bt_start, EINA_FALSE);
 148    elm_object_disabled_set(bt_stop, EINA_TRUE);
 149 }
 150
 151 /* slideshow transition time has changed */
 152 static void
 153 _spin(void        *data,
 154       Evas_Object *obj __UNUSED__,
 155       void        *event_info __UNUSED__)
 156 {
 157    if (elm_slideshow_timeout_get(slideshow) > 0)
 158      elm_slideshow_timeout_set(slideshow, elm_spinner_value_get(data));
 159 }
 160
 161 /* get our images to make slideshow items */
 162 static Evas_Object *
 163 _get(void        *data,
 164      Evas_Object *obj)
 165 {
 166    Evas_Object *photo = elm_photo_add(obj);
 167    elm_photo_file_set(photo, data);
 168    elm_photo_fill_inside_set(photo, EINA_TRUE);
 169    elm_object_style_set(photo, "shadow");
 170
 171    return photo;
 172 }
 173
 174 /* ordering alphabetically */
 175 static int
 176 _cmp_func(const void *data1,
 177           const void *data2)
 178 {
 179    const char *img_path1, *img_path2;
 180
 181    const Elm_Object_Item *slide_it1 = data1;
 182    const Elm_Object_Item *slide_it2 = data2;
 183
 184    img_path1 = elm_object_item_data_get(slide_it1);
 185    img_path2 = elm_object_item_data_get(slide_it2);
 186
 187    return strcasecmp(img_path1, img_path2);
 188 }
 189
 190 int
 191 elm_main(int    argc __UNUSED__,
 192          char **argv __UNUSED__)
 193 {
 194    Evas_Object *win, *bg, *notify, *bx, *bt, *hv, *spin;
 195    Elm_Object_Item *slide_first, *slide_last, *slide_it;
 196    const char *transition, *layout;
 197    const Eina_List *l, *list;
 198
 199    win = elm_win_add(NULL, "slideshow", ELM_WIN_BASIC);
 200    elm_win_title_set(win, "Slideshow example");
 201    evas_object_smart_callback_add(win, "delete,request", _on_done, NULL);
 202
 203    bg = elm_bg_add(win);
 204    elm_win_resize_object_add(win, bg);
 205    evas_object_size_hint_weight_set(bg, EVAS_HINT_EXPAND, EVAS_HINT_EXPAND);
 206    evas_object_show(bg);
 207
 208    slideshow = elm_slideshow_add(win);
 209    elm_slideshow_loop_set(slideshow, EINA_TRUE);
 210    elm_win_resize_object_add(win, slideshow);
 211    evas_object_size_hint_weight_set(slideshow,
 212                                     EVAS_HINT_EXPAND, EVAS_HINT_EXPAND);
 213    evas_object_show(slideshow);
 214
 215    itc.func.get = _get;
 216    itc.func.del = NULL;
 217
 218    slide_first = elm_slideshow_item_sorted_insert(slideshow, &itc, img1, _cmp_func);
 219    elm_slideshow_item_sorted_insert(slideshow, &itc, img2, _cmp_func);
 220    elm_slideshow_item_sorted_insert(slideshow, &itc, img3, _cmp_func);
 221    elm_slideshow_item_sorted_insert(slideshow, &itc, img4, _cmp_func);
 222    elm_slideshow_item_sorted_insert(slideshow, &itc, img5, _cmp_func);
 223    elm_slideshow_item_sorted_insert(slideshow, &itc, img6, _cmp_func);
 224    elm_slideshow_item_sorted_insert(slideshow, &itc, img7, _cmp_func);
 225    elm_slideshow_item_sorted_insert(slideshow, &itc, img8, _cmp_func);
 226    slide_last = elm_slideshow_item_add(slideshow, &itc, img9);
 227
 228    list = elm_slideshow_items_get(slideshow);
 229    fprintf(stdout, "List of items in the slideshow:\n");
 230    EINA_LIST_FOREACH(list, l, slide_it)
 231      fprintf(stdout, "\t%s\n",
 232              (const char *)elm_object_item_data_get(slide_it));
 233
 234    notify = elm_notify_add(win);
 235    elm_notify_orient_set(notify, ELM_NOTIFY_ORIENT_BOTTOM);
 236    elm_win_resize_object_add(win, notify);
 237    elm_notify_timeout_set(notify, 3.0);
 238
 239    bx = elm_box_add(win);
 240    elm_box_horizontal_set(bx, EINA_TRUE);
 241    elm_object_content_set(notify, bx);
 242    evas_object_show(bx);
 243
 244    evas_object_event_callback_add(bx, EVAS_CALLBACK_MOUSE_IN, _mouse_in,
 245                                   notify);
 246    evas_object_event_callback_add(bx, EVAS_CALLBACK_MOUSE_OUT, _mouse_out,
 247                                   notify);
 248
 249    bt = elm_button_add(win);
 250    elm_object_text_set(bt, "Previous");
 251    evas_object_smart_callback_add(bt, "clicked", _previous, slideshow);
 252    elm_box_pack_end(bx, bt);
 253    evas_object_show(bt);
 254
 255    bt = elm_button_add(win);
 256    elm_object_text_set(bt, "Next");
 257    evas_object_smart_callback_add(bt, "clicked", _next, slideshow);
 258    elm_box_pack_end(bx, bt);
 259    evas_object_show(bt);
 260
 261    bt = elm_button_add(win);
 262    elm_object_text_set(bt, "First");
 263    evas_object_smart_callback_add(bt, "clicked", _first, slide_first);
 264    elm_box_pack_end(bx, bt);
 265    evas_object_show(bt);
 266
 267    bt = elm_button_add(win);
 268    elm_object_text_set(bt, "Last");
 269    evas_object_smart_callback_add(bt, "clicked", _last, slide_last);
 270    elm_box_pack_end(bx, bt);
 271    evas_object_show(bt);
 272
 273    hv = elm_hoversel_add(win);
 274    elm_box_pack_end(bx, hv);
 275    elm_hoversel_hover_parent_set(hv, win);
 276    EINA_LIST_FOREACH(elm_slideshow_transitions_get(slideshow), l, transition)
 277      elm_hoversel_item_add(hv, transition, NULL, 0, _transition_select,
 278                            transition);
 279    elm_object_text_set(hv, eina_list_data_get(
 280                          elm_slideshow_transitions_get(slideshow)));
 281    evas_object_show(hv);
 282
 283    hv = elm_hoversel_add(win);
 284    elm_box_pack_end(bx, hv);
 285    elm_hoversel_hover_parent_set(hv, win);
 286    EINA_LIST_FOREACH(elm_slideshow_layouts_get(slideshow), l, layout)
 287      elm_hoversel_item_add(hv, layout, NULL, 0, _layout_select, layout);
 288    elm_object_text_set(hv, elm_slideshow_layout_get(slideshow));
 289    evas_object_show(hv);
 290
 291    spin = elm_spinner_add(win);
 292    elm_spinner_label_format_set(spin, "%2.0f s");
 293    evas_object_smart_callback_add(spin, "changed", _spin, spin);
 294    elm_spinner_step_set(spin, 1);
 295    elm_spinner_min_max_set(spin, 1, 30);
 296    elm_spinner_value_set(spin, 3);
 297    elm_box_pack_end(bx, spin);
 298    evas_object_show(spin);
 299
 300    bt = elm_button_add(win);
 301    bt_start = bt;
 302    elm_object_text_set(bt, "Start");
 303    evas_object_smart_callback_add(bt, "clicked", _start, spin);
 304    elm_box_pack_end(bx, bt);
 305    evas_object_show(bt);
 306
 307    bt = elm_button_add(win);
 308    bt_stop = bt;
 309    elm_object_text_set(bt, "Stop");
 310    evas_object_smart_callback_add(bt, "clicked", _stop, spin);
 311    elm_box_pack_end(bx, bt);
 312    elm_object_disabled_set(bt, EINA_TRUE);
 313    evas_object_show(bt);
 314
 315    evas_object_event_callback_add(slideshow, EVAS_CALLBACK_MOUSE_UP,
 316                                   _notify_show, notify);
 317    evas_object_event_callback_add(slideshow, EVAS_CALLBACK_MOUSE_MOVE,
 318                                   _notify_show, notify);
 319
 320    _notify_show(notify, NULL, NULL, NULL);
 321
 322    evas_object_resize(win, 600, 400);
 323    evas_object_show(win);
 324
 325    elm_run();
 326    return 0;
 327 }
 328
 329 ELM_MAIN()