src/examples/genlist_example_04.c

   1 //Compile with:
   2 //gcc -g `pkg-config --cflags --libs elementary` genlist_example_04.c -o genlist_example_04
   3
   4 #include <Elementary.h>
   5 #ifdef HAVE_CONFIG_H
   6 # include "elementary_config.h"
   7 #else
   8 # define __UNUSED__
   9 #endif
  10
  11 #define N_ITEMS 300
  12
  13 static Elm_Genlist_Item_Class _itc;
  14 static Elm_Genlist_Item_Class _itc_group;
  15 static int nitems = 0;
  16
  17 static char *
  18 _item_label_get(void *data, Evas_Object *obj __UNUSED__, const char *part)
  19 {
  20    time_t t = (time_t)ecore_time_unix_get();
  21    char buf[256];
  22    int i = (int)(long)data;
  23
  24    if (!strcmp(part, "elm.text"))
  25      snprintf(buf, sizeof(buf), "Item # %i", i);
  26    else
  27      {
  28         int n;
  29         snprintf(buf, sizeof(buf), "realized at %s", ctime(&t));
  30         n = strlen(buf);
  31         buf[n - 1] = '\0';
  32      }
  33
  34    return strdup(buf);
  35 }
  36
  37 static Evas_Object *
  38 _item_content_get(void *data __UNUSED__, Evas_Object *obj, const char *part)
  39 {
  40    Evas_Object *ic = elm_icon_add(obj);
  41
  42    if (!strcmp(part, "elm.swallow.icon"))
  43      elm_icon_standard_set(ic, "clock");
  44
  45    evas_object_size_hint_aspect_set(ic, EVAS_ASPECT_CONTROL_VERTICAL, 1, 1);
  46    return ic;
  47 }
  48
  49 static void
  50 _item_sel_cb(void *data, Evas_Object *obj, void *event_info)
  51 {
  52    printf("sel item data [%p] on genlist obj [%p], item pointer [%p]\n",
  53           data, obj, event_info);
  54 }
  55
  56 static char *
  57 _group_label_get(void *data, Evas_Object *obj __UNUSED__, const char *part __UNUSED__)
  58 {
  59    char buf[256];
  60    int i = (int)(long)data;
  61
  62    snprintf(buf, sizeof(buf), "Group %d (item #%d)", i / 7, i);
  63
  64    return strdup(buf);
  65 }
  66
  67 static Evas_Object *
  68 _group_content_get(void *data __UNUSED__, Evas_Object *obj, const char *part __UNUSED__)
  69 {
  70    Evas_Object *ic = elm_icon_add(obj);
  71
  72    if (!strcmp(part, "elm.swallow.icon"))
  73      elm_icon_standard_set(ic, "home");
  74
  75    evas_object_size_hint_aspect_set(ic, EVAS_ASPECT_CONTROL_VERTICAL, 1, 1);
  76    return ic;
  77 }
  78
  79 static void
  80 _append_cb(void *data, Evas_Object *o __UNUSED__, void *event_info __UNUSED__)
  81 {
  82    Evas_Object *list = data;
  83
  84    elm_genlist_item_append(list, &_itc,
  85                            (void *)(long)nitems++, NULL,
  86                            ELM_GENLIST_ITEM_NONE,
  87                            _item_sel_cb, NULL);
  88
  89 }
  90
  91 static void
  92 _prepend_cb(void *data, Evas_Object *o __UNUSED__, void *event_info __UNUSED__)
  93 {
  94    Evas_Object *list = data;
  95
  96    elm_genlist_item_prepend(list, &_itc,
  97                            (void *)(long)nitems++, NULL,
  98                            ELM_GENLIST_ITEM_NONE,
  99                            _item_sel_cb, NULL);
 100
 101 }
 102
 103 static void
 104 _insert_before_cb(void *data, Evas_Object *o __UNUSED__, void *event_info __UNUSED__)
 105 {
 106    Evas_Object *list = data;
 107    Elm_Genlist_Item *it = elm_genlist_selected_item_get(list);
 108
 109    if (!it)
 110      return;
 111
 112    elm_genlist_item_insert_before(list, &_itc,
 113                                   (void *)(long)nitems++, NULL,
 114                                   it, ELM_GENLIST_ITEM_NONE,
 115                                   _item_sel_cb, NULL);
 116
 117 }
 118
 119 static void
 120 _insert_after_cb(void *data, Evas_Object *o __UNUSED__, void *event_info __UNUSED__)
 121 {
 122    Evas_Object *list = data;
 123    Elm_Genlist_Item *it = elm_genlist_selected_item_get(list);
 124
 125    if (!it)
 126      return;
 127
 128    elm_genlist_item_insert_after(list, &_itc,
 129                                  (void *)(long)nitems++, NULL,
 130                                  it, ELM_GENLIST_ITEM_NONE,
 131                                  _item_sel_cb, NULL);
 132
 133 }
 134
 135 static void
 136 _next_cb(void *data, Evas_Object *o __UNUSED__, void *event_info __UNUSED__)
 137 {
 138    Evas_Object *list = data;
 139    Elm_Genlist_Item *it;
 140
 141    it = elm_genlist_selected_item_get(list);
 142    if (it)
 143      it = elm_genlist_item_next_get(it);
 144
 145    if (!it)
 146      it = elm_genlist_first_item_get(list);
 147
 148    elm_genlist_item_selected_set(it, EINA_TRUE);
 149    elm_genlist_item_show(it);
 150 }
 151
 152 static void
 153 _prev_cb(void *data, Evas_Object *o __UNUSED__, void *event_info __UNUSED__)
 154 {
 155    Evas_Object *list = data;
 156    Elm_Genlist_Item *it;
 157
 158    it = elm_genlist_selected_item_get(list);
 159    if (it)
 160      it = elm_genlist_item_prev_get(it);
 161
 162    if (!it)
 163      it = elm_genlist_last_item_get(list);
 164
 165    elm_genlist_item_selected_set(it, EINA_TRUE);
 166    elm_genlist_item_show(it);
 167 }
 168
 169 static void
 170 _bring_in_cb(void *data, Evas_Object *o __UNUSED__, void *event_info __UNUSED__)
 171 {
 172    Elm_Genlist_Item *it = data;
 173
 174    if (!it)
 175      return;
 176
 177    elm_genlist_item_bring_in(it);
 178 }
 179
 180 static void
 181 _show_cb(void *data, Evas_Object *o __UNUSED__, void *event_info __UNUSED__)
 182 {
 183    Elm_Genlist_Item *it = data;
 184
 185    if (!it)
 186      return;
 187
 188    elm_genlist_item_show(it);
 189 }
 190
 191 static void
 192 _middle_in_cb(void *data, Evas_Object *o __UNUSED__, void *event_info __UNUSED__)
 193 {
 194    Elm_Genlist_Item *it = data;
 195
 196    if (!it)
 197      return;
 198
 199    elm_genlist_item_middle_bring_in(it);
 200 }
 201
 202 static void
 203 _middle_show_cb(void *data, Evas_Object *o __UNUSED__, void *event_info __UNUSED__)
 204 {
 205    Elm_Genlist_Item *it = data;
 206
 207    if (!it)
 208      return;
 209
 210    elm_genlist_item_middle_show(it);
 211 }
 212
 213 static void
 214 _top_in_cb(void *data, Evas_Object *o __UNUSED__, void *event_info __UNUSED__)
 215 {
 216    Elm_Genlist_Item *it = data;
 217
 218    if (!it)
 219      return;
 220
 221    elm_genlist_item_top_bring_in(it);
 222 }
 223
 224 static void
 225 _top_show_cb(void *data, Evas_Object *o __UNUSED__, void *event_info __UNUSED__)
 226 {
 227    Elm_Genlist_Item *it = data;
 228
 229    if (!it)
 230      return;
 231
 232    elm_genlist_item_top_show(it);
 233 }
 234
 235 static void
 236 _realize_cb(void *data, Evas_Object *o __UNUSED__, void *event_info __UNUSED__)
 237 {
 238    Evas_Object *list = data;
 239    Elm_Genlist_Item *it = elm_genlist_selected_item_get(list);
 240
 241    if (!it)
 242      return;
 243
 244    elm_genlist_item_update(it);
 245 }
 246
 247 static Evas_Object *
 248 _button_add(Evas_Object *list, Evas_Object *box, const char *label, Evas_Smart_Cb cb)
 249 {
 250    Evas_Object *bt;
 251
 252    bt = elm_button_add(elm_object_parent_widget_get(list));
 253    elm_object_text_set(bt, label);
 254    elm_box_pack_end(box, bt);
 255    evas_object_show(bt);
 256
 257    if (cb)
 258      evas_object_smart_callback_add(bt, "clicked", cb, list);
 259
 260    return bt;
 261 }
 262
 263 int
 264 elm_main(int argc __UNUSED__, char **argv __UNUSED__)
 265 {
 266    Evas_Object *win, *bg, *box, *fbox;
 267    Evas_Object *list;
 268    Evas_Object *bt_bring_in, *bt_show;
 269    Evas_Object *bt_middle_in, *bt_middle_show;
 270    Evas_Object *bt_top_in, *bt_top_show;
 271    int i;
 272
 273    win = elm_win_add(NULL, "icon", ELM_WIN_BASIC);
 274    elm_win_title_set(win, "Icon");
 275    elm_policy_set(ELM_POLICY_QUIT, ELM_POLICY_QUIT_LAST_WINDOW_CLOSED);
 276    elm_win_autodel_set(win, EINA_TRUE);
 277
 278    bg = elm_bg_add(win);
 279    elm_bg_color_set(bg, 255,255 ,255);
 280    evas_object_size_hint_weight_set(bg, EVAS_HINT_EXPAND, EVAS_HINT_EXPAND);
 281    elm_win_resize_object_add(win, bg);
 282    evas_object_show(bg);
 283
 284    box = elm_box_add(win);
 285    evas_object_size_hint_weight_set(box, EVAS_HINT_EXPAND, EVAS_HINT_EXPAND);
 286    evas_object_size_hint_align_set(box, EVAS_HINT_FILL, EVAS_HINT_FILL);
 287    elm_win_resize_object_add(win, box);
 288    evas_object_show(box);
 289
 290    _itc.item_style = "double_label";
 291    _itc.func.label_get = _item_label_get;
 292    _itc.func.content_get = _item_icon_get;
 293    _itc.func.state_get = NULL;
 294    _itc.func.del = NULL;
 295
 296    _itc_group.item_style = "group_index";
 297    _itc_group.func.label_get = _group_label_get;
 298    _itc_group.func.content_get = _group_icon_get;
 299    _itc_group.func.state_get = NULL;
 300    _itc_group.func.del = NULL;
 301
 302    list = elm_genlist_add(win);
 303
 304    evas_object_size_hint_weight_set(list, EVAS_HINT_EXPAND, EVAS_HINT_EXPAND);
 305    evas_object_size_hint_align_set(list, EVAS_HINT_FILL, EVAS_HINT_FILL);
 306    elm_box_pack_end(box, list);
 307    evas_object_show(list);
 308
 309    fbox = elm_box_add(win);
 310    elm_box_layout_set(fbox, evas_object_box_layout_flow_horizontal,
 311                       NULL, NULL);
 312    evas_object_size_hint_weight_set(fbox, EVAS_HINT_EXPAND, 0);
 313    evas_object_size_hint_align_set(fbox, EVAS_HINT_FILL, EVAS_HINT_FILL);
 314    elm_box_pack_end(box, fbox);
 315    evas_object_show(fbox);
 316
 317    _button_add(list, fbox, "prepend", _prepend_cb);
 318    _button_add(list, fbox, "append", _append_cb);
 319    _button_add(list, fbox, "insert before", _insert_before_cb);
 320    _button_add(list, fbox, "insert after", _insert_after_cb);
 321    _button_add(list, fbox, "prev", _prev_cb);
 322    _button_add(list, fbox, "next", _next_cb);
 323    _button_add(list, fbox, "realize", _realize_cb);
 324    bt_bring_in = _button_add(list, fbox, "bring #50", NULL);
 325    bt_show = _button_add(list, fbox, "show #50", NULL);
 326    bt_middle_in = _button_add(list, fbox, "bring to middle #200", NULL);
 327    bt_middle_show = _button_add(list, fbox, "show in middle #200", NULL);
 328    bt_top_in = _button_add(list, fbox, "bring to top #250", NULL);
 329    bt_top_show = _button_add(list, fbox, "show in top #250", NULL);
 330
 331    for (i = 0; i < N_ITEMS; i++)
 332      {
 333         Elm_Genlist_Item *gli, *glg;
 334
 335         if (i % 7 == 0)
 336           {
 337              glg = gli = elm_genlist_item_append(list, &_itc_group,
 338                                                  (void *)(long)nitems++, NULL,
 339                                                  ELM_GENLIST_ITEM_GROUP,
 340                                                  _item_sel_cb, NULL);
 341              elm_genlist_item_display_only_set(glg, EINA_TRUE);
 342           }
 343         else
 344           {
 345              gli = elm_genlist_item_append(list, &_itc,
 346                                            (void *)(long)nitems++, glg,
 347                                            ELM_GENLIST_ITEM_NONE,
 348                                            _item_sel_cb, NULL);
 349           }
 350
 351         switch (i)
 352           {
 353            case 3:
 354               elm_genlist_item_disabled_set(gli, EINA_TRUE);
 355               break;
 356            case 50:
 357               evas_object_smart_callback_add(
 358                  bt_bring_in, "clicked", _bring_in_cb, gli);
 359               evas_object_smart_callback_add(
 360                  bt_show, "clicked", _show_cb, gli);
 361               break;
 362            case 200:
 363               evas_object_smart_callback_add(
 364                  bt_middle_in, "clicked", _middle_in_cb, gli);
 365               evas_object_smart_callback_add(
 366                  bt_middle_show, "clicked", _middle_show_cb, gli);
 367               break;
 368            case 250:
 369               evas_object_smart_callback_add(
 370                  bt_top_in, "clicked", _top_in_cb, gli);
 371               evas_object_smart_callback_add(
 372                  bt_top_show, "clicked", _top_show_cb, gli);
 373           }
 374      }
 375
 376    evas_object_size_hint_min_set(bg, 160, 160);
 377    evas_object_size_hint_max_set(bg, 640, 640);
 378    evas_object_resize(win, 420, 320);
 379    evas_object_show(win);
 380
 381    elm_run();
 382
 383    return 0;
 384 }
 385
 386 ELM_MAIN()