src/examples/genlist_example_02.c

   1 //Compile with:
   2 //gcc -g `pkg-config --cflags --libs elementary` genlist_example_01.c -o genlist_example_01
   3
   4 #include <time.h>
   5 #include <Elementary.h>
   6 #ifdef HAVE_CONFIG_H
   7 # include "elementary_config.h"
   8 #else
   9 # define __UNUSED__
  10 #endif
  11
  12 #define N_ITEMS 300
  13
  14 static Elm_Genlist_Item_Class *_itc = NULL;
  15
  16 static char *
  17 _item_label_get(void *data, Evas_Object *obj __UNUSED__, const char *part __UNUSED__)
  18 {
  19    time_t t = (time_t)ecore_time_unix_get();
  20    char buf[256];
  21    int i = (int)(long)data;
  22    if (i % 2)
  23      {
  24         int n;
  25         snprintf(buf, sizeof(buf), "Very Long Item # %i - realized at %s", i, ctime(&t));
  26         n = strlen(buf);
  27         buf[n - 1] = '\0';
  28      }
  29    else
  30      snprintf(buf, sizeof(buf), "short item # %i", i);
  31    return strdup(buf);
  32 }
  33
  34 static Evas_Object *
  35 _item_content_get(void *data __UNUSED__, Evas_Object *obj, const char *part)
  36 {
  37    Evas_Object *ic = elm_icon_add(obj);
  38
  39    if (!strcmp(part, "elm.swallow.icon"))
  40      elm_icon_standard_set(ic, "clock");
  41
  42    evas_object_size_hint_aspect_set(ic, EVAS_ASPECT_CONTROL_VERTICAL, 1, 1);
  43    return ic;
  44 }
  45
  46 static void
  47 _item_sel_cb(void *data, Evas_Object *obj, void *event_info)
  48 {
  49    printf("sel item data [%p] on genlist obj [%p], item pointer [%p]\n",
  50           data, obj, event_info);
  51 }
  52
  53 static void
  54 _show_status_cb(void *data, Evas_Object *o __UNUSED__, void *event_info __UNUSED__)
  55 {
  56    Evas_Object *list = data;
  57    Evas_Coord x, y, w, h, mx, my;
  58    Elm_Object_Item *glit = elm_genlist_selected_item_get(list);
  59
  60    const Eina_List *selected, *l, *realized;
  61    printf("\nfirst selected item: %p\n", glit);
  62
  63    selected = elm_genlist_selected_items_get(list);
  64    printf("all selected items (%d): ", eina_list_count(selected));
  65    EINA_LIST_FOREACH(selected, l, glit)
  66      printf("%p ", glit);
  67    printf("\n");
  68
  69    realized = elm_genlist_realized_items_get(list);
  70    printf("realized items (%d): ", eina_list_count(realized));
  71    EINA_LIST_FOREACH(realized, l, glit)
  72      printf("%p  ", glit);
  73    printf("\n");
  74    printf("genlist mode: %s\n", elm_genlist_decorate_mode_get(list));
  75    printf("mode item: %p\n", elm_genlist_decorated_item_get(list));
  76
  77    evas_object_geometry_get(list, &x, &y, &w, &h);
  78    mx = w / 2 + x;
  79    my = h / 2 + y;
  80    glit = elm_genlist_at_xy_item_get(list, mx, my, NULL);
  81    printf("item in the middle of the screen: %p\n", glit);
  82 }
  83
  84 static void
  85 _realize_cb(void *data, Evas_Object *o __UNUSED__, void *event_info __UNUSED__)
  86 {
  87    Evas_Object *list = data;
  88    elm_genlist_realized_items_update(list);
  89 }
  90
  91 int
  92 elm_main(int argc __UNUSED__, char **argv __UNUSED__)
  93 {
  94    Evas_Object *win, *bg, *box, *hbox;
  95    Evas_Object *list, *btn;
  96    int i;
  97
  98    win = elm_win_add(NULL, "genlist", ELM_WIN_BASIC);
  99    elm_win_title_set(win, "Genlist - simple");
 100    elm_policy_set(ELM_POLICY_QUIT, ELM_POLICY_QUIT_LAST_WINDOW_CLOSED);
 101    elm_win_autodel_set(win, EINA_TRUE);
 102
 103    bg = elm_bg_add(win);
 104    elm_bg_color_set(bg, 255,255 ,255);
 105    evas_object_size_hint_weight_set(bg, EVAS_HINT_EXPAND, EVAS_HINT_EXPAND);
 106    elm_win_resize_object_add(win, bg);
 107    evas_object_show(bg);
 108
 109    box = elm_box_add(win);
 110    evas_object_size_hint_weight_set(box, EVAS_HINT_EXPAND, EVAS_HINT_EXPAND);
 111    evas_object_size_hint_align_set(box, EVAS_HINT_FILL, EVAS_HINT_FILL);
 112    elm_win_resize_object_add(win, box);
 113    evas_object_show(box);
 114
 115    list = elm_genlist_add(win);
 116
 117    if (!_itc)
 118      {
 119         _itc = elm_genlist_item_class_new();
 120         _itc->item_style = "default";
 121         _itc->func.text_get = _item_label_get;
 122         _itc->func.content_get = _item_content_get;
 123         _itc->func.state_get = NULL;
 124         _itc->func.del = NULL;
 125      }
 126
 127    Eina_Bool hbounce, vbounce, always, no_sel;
 128    Elm_Scroller_Policy hp, vp;
 129    Elm_Object_Select_Mode sel_mode;
 130
 131    always = no_sel = EINA_FALSE;
 132    sel_mode = elm_genlist_select_mode_get(list);
 133    if (sel_mode = ELM_OBJECT_SELECT_MODE_ALWAYS)
 134      always = EINA_TRUE;
 135    else if (sel_mode = ELM_OBJECT_SELECT_MODE_NONE)
 136      no_sel = EINA_TRUE;
 137
 138    printf("default values:\n");
 139    printf("always select: %d\n", always);
 140    elm_genlist_bounce_get(list, &hbounce, &vbounce);
 141    printf("bounce - horizontal: %d, vertical: %d\n", hbounce, vbounce);
 142    printf("homogeneous: %d\n", elm_genlist_homogeneous_get(list));
 143    printf("horizontal mode: %d\n", elm_genlist_mode_get(list));
 144    printf("longpress timeout: %0.3f\n",
 145           elm_genlist_longpress_timeout_get(list));
 146    printf("multi selection: %d\n", elm_genlist_multi_select_get(list));
 147    printf("no selection mode: %d\n", no_sel);
 148    elm_genlist_scroller_policy_get(list, &hp, &vp);
 149    printf("scroller policy - horizontal: %d, vertical: %d\n", hp, vp);
 150    printf("block count: %d\n", elm_genlist_block_count_get(list));
 151    printf("\n");
 152
 153    elm_genlist_bounce_set(list, EINA_FALSE, EINA_FALSE);
 154    elm_genlist_homogeneous_set(list, EINA_FALSE);
 155    elm_genlist_mode_set(list, ELM_LIST_LIMIT);
 156    elm_genlist_multi_select_set(list, EINA_TRUE);
 157    elm_genlist_select_mode_set(list, ELM_OBJECT_SELECT_MODE_DEFAULT);
 158    elm_genlist_scroller_policy_set(list, ELM_SCROLLER_POLICY_OFF, ELM_SCROLLER_POLICY_ON);
 159    elm_genlist_longpress_timeout_set(list, 0.5);
 160    elm_genlist_block_count_set(list, 16);
 161
 162    for (i = 0; i < N_ITEMS; i++)
 163      {
 164         elm_genlist_item_append(list, _itc,
 165                                 (void *)(long)i, NULL,
 166                                 ELM_GENLIST_ITEM_NONE,
 167                                 _item_sel_cb, NULL);
 168      }
 169
 170    evas_object_size_hint_weight_set(list, EVAS_HINT_EXPAND, EVAS_HINT_EXPAND);
 171    evas_object_size_hint_align_set(list, EVAS_HINT_FILL, EVAS_HINT_FILL);
 172    elm_box_pack_end(box, list);
 173    evas_object_show(list);
 174
 175    hbox = elm_box_add(win);
 176    elm_box_horizontal_set(hbox, EINA_TRUE);
 177    evas_object_size_hint_weight_set(hbox, EVAS_HINT_EXPAND, 0);
 178    evas_object_size_hint_align_set(hbox, EVAS_HINT_FILL, EVAS_HINT_FILL);
 179    elm_box_pack_end(box, hbox);
 180    evas_object_show(hbox);
 181
 182    btn = elm_button_add(win);
 183    elm_object_text_set(btn, "Show status");
 184    evas_object_size_hint_weight_set(btn, 0, 0);
 185    evas_object_size_hint_align_set(btn, 0.5, 0.5);
 186    evas_object_smart_callback_add(btn, "clicked", _show_status_cb, list);
 187    elm_box_pack_end(hbox, btn);
 188    evas_object_show(btn);
 189
 190    btn = elm_button_add(win);
 191    elm_object_text_set(btn, "Realize");
 192    evas_object_size_hint_weight_set(btn, 0, 0);
 193    evas_object_size_hint_align_set(btn, 0.5, 0.5);
 194    evas_object_smart_callback_add(btn, "clicked", _realize_cb, list);
 195    elm_box_pack_end(hbox, btn);
 196    evas_object_show(btn);
 197
 198    evas_object_size_hint_min_set(bg, 160, 160);
 199    evas_object_size_hint_max_set(bg, 200, 640);
 200    evas_object_resize(win, 200, 320);
 201    evas_object_show(win);
 202
 203    elm_run();
 204
 205    return 0;
 206 }
 207
 208 ELM_MAIN()