src/examples/progressbar_example.c

   1 /**
   2  * Simple Elementary's <b>progress bar 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` progressbar_example.c -o progressbar_example
   9  * @endverbatim
  10  */
  11
  12 #include <Elementary.h>
  13
  14 typedef struct Progressbar_Example
  15 {
  16    Evas_Object *pb1;
  17    Evas_Object *pb2; /* pulsing */
  18    Evas_Object *pb3;
  19    Evas_Object *pb4;
  20    Evas_Object *pb5; /* pulsing */
  21    Evas_Object *pb6;
  22    Evas_Object *pb7; /* pulsing */
  23
  24    Eina_Bool    run;
  25    Ecore_Timer *timer;
  26 } Progressbar_Example;
  27
  28 static Progressbar_Example example_data;
  29
  30 static Eina_Bool
  31 _progressbar_example_value_set(void *data)
  32 {
  33    double progress;
  34
  35    progress = elm_progressbar_value_get(example_data.pb1);
  36    if (progress < 1.0) progress += 0.0123;
  37    else progress = 0.0;
  38
  39    /* just the non-pulsing ones need an update */
  40    elm_progressbar_value_set(example_data.pb1, progress);
  41    elm_progressbar_value_set(example_data.pb3, progress);
  42    elm_progressbar_value_set(example_data.pb4, progress);
  43    elm_progressbar_value_set(example_data.pb6, progress);
  44
  45    if (progress < 1.0) return ECORE_CALLBACK_RENEW;
  46
  47    example_data.run = 0;
  48    return ECORE_CALLBACK_CANCEL;
  49 }
  50
  51 static void
  52 _progressbar_example_start(void        *data,
  53                            Evas_Object *obj,
  54                            void        *event_info)
  55 {
  56    elm_progressbar_pulse(example_data.pb2, EINA_TRUE);
  57    elm_progressbar_pulse(example_data.pb5, EINA_TRUE);
  58    elm_progressbar_pulse(example_data.pb7, EINA_TRUE);
  59
  60    if (!example_data.run)
  61      {
  62         example_data.timer = ecore_timer_add(
  63             0.1, _progressbar_example_value_set, NULL);
  64         example_data.run = EINA_TRUE;
  65      }
  66 }
  67
  68 /* end of show */
  69 static void
  70 _progressbar_example_stop(void        *data,
  71                           Evas_Object *obj,
  72                           void        *event_info)
  73 {
  74    elm_progressbar_pulse(example_data.pb2, EINA_FALSE);
  75    elm_progressbar_pulse(example_data.pb5, EINA_FALSE);
  76    elm_progressbar_pulse(example_data.pb7, EINA_FALSE);
  77
  78    if (example_data.run)
  79      {
  80         ecore_timer_del(example_data.timer);
  81         example_data.run = EINA_FALSE;
  82      }
  83 }
  84
  85 static void
  86 _on_done(void        *data,
  87          Evas_Object *obj,
  88          void        *event_info)
  89 {
  90    _progressbar_example_stop(NULL, NULL, NULL);
  91    elm_exit();
  92 }
  93
  94 EAPI_MAIN int
  95 elm_main(int    argc,
  96          char **argv)
  97 {
  98    Evas_Object *win, *bg, *pb, *bx, *hbx, *bt, *bt_bx, *ic1, *ic2;
  99    char buf[PATH_MAX];
 100
 101    win = elm_win_add(NULL, "progressbar", ELM_WIN_BASIC);
 102    elm_win_title_set(win, "Progress bar example");
 103    evas_object_smart_callback_add(win, "delete,request", _on_done, NULL);
 104
 105    bg = elm_bg_add(win);
 106    elm_win_resize_object_add(win, bg);
 107    evas_object_size_hint_weight_set(bg, EVAS_HINT_EXPAND, EVAS_HINT_EXPAND);
 108    evas_object_show(bg);
 109
 110    bx = elm_box_add(win);
 111    elm_win_resize_object_add(win, bx);
 112    evas_object_size_hint_weight_set(bx, EVAS_HINT_EXPAND, EVAS_HINT_EXPAND);
 113    evas_object_show(bx);
 114
 115    /* pb with no label, default unit label and no icon */
 116    pb = elm_progressbar_add(win);
 117    evas_object_size_hint_weight_set(pb, EVAS_HINT_EXPAND, EVAS_HINT_EXPAND);
 118    evas_object_size_hint_align_set(pb, EVAS_HINT_FILL, 0.5);
 119    elm_box_pack_end(bx, pb);
 120    evas_object_show(pb);
 121    example_data.pb1 = pb;
 122
 123    /* pb with label, and set to pulse */
 124    pb = elm_progressbar_add(win);
 125    evas_object_size_hint_align_set(pb, EVAS_HINT_FILL, 0.5);
 126    evas_object_size_hint_weight_set(pb, EVAS_HINT_EXPAND, EVAS_HINT_EXPAND);
 127    elm_object_text_set(pb, "Infinite bounce");
 128    elm_progressbar_pulse_set(pb, EINA_TRUE);
 129    elm_box_pack_end(bx, pb);
 130    evas_object_show(pb);
 131    example_data.pb2 = pb;
 132
 133    ic1 = elm_icon_add(win);
 134    snprintf(buf, sizeof(buf), "%s/images/logo_small.png", PACKAGE_DATA_DIR);
 135    elm_icon_file_set(ic1, buf, NULL);
 136    evas_object_size_hint_aspect_set(ic1, EVAS_ASPECT_CONTROL_VERTICAL, 1, 1);
 137
 138    /* pb with label, icon, custom unit label and span size set */
 139    pb = elm_progressbar_add(win);
 140    elm_object_text_set(pb, "Label");
 141    elm_object_part_content_set(pb, "icon", ic1);
 142    elm_progressbar_inverted_set(pb, EINA_TRUE);
 143    elm_progressbar_unit_format_set(pb, "%1.1f units");
 144    elm_progressbar_span_size_set(pb, 200);
 145    evas_object_size_hint_align_set(pb, EVAS_HINT_FILL, 0.5);
 146    evas_object_size_hint_weight_set(pb, EVAS_HINT_EXPAND, EVAS_HINT_EXPAND);
 147    elm_box_pack_end(bx, pb);
 148    evas_object_show(ic1);
 149    evas_object_show(pb);
 150    example_data.pb3 = pb;
 151
 152    hbx = elm_box_add(win);
 153    elm_box_horizontal_set(hbx, EINA_TRUE);
 154    evas_object_size_hint_weight_set(hbx, EVAS_HINT_EXPAND, EVAS_HINT_EXPAND);
 155    evas_object_size_hint_align_set(hbx, EVAS_HINT_FILL, EVAS_HINT_FILL);
 156    elm_box_pack_end(bx, hbx);
 157    evas_object_show(hbx);
 158
 159    /* vertical pb */
 160    pb = elm_progressbar_add(win);
 161    elm_progressbar_horizontal_set(pb, EINA_FALSE);
 162    evas_object_size_hint_align_set(pb, EVAS_HINT_FILL, EVAS_HINT_FILL);
 163    evas_object_size_hint_weight_set(pb, EVAS_HINT_EXPAND, EVAS_HINT_EXPAND);
 164    elm_box_pack_end(hbx, pb);
 165    elm_object_text_set(pb, "percent");
 166    evas_object_show(pb);
 167    example_data.pb4 = pb;
 168
 169    /* vertical pb, with pulse and custom (small) span size */
 170    pb = elm_progressbar_add(win);
 171    elm_progressbar_horizontal_set(pb, EINA_FALSE);
 172    evas_object_size_hint_align_set(pb, EVAS_HINT_FILL, 0.5);
 173    evas_object_size_hint_weight_set(pb, EVAS_HINT_EXPAND, EVAS_HINT_EXPAND);
 174    elm_progressbar_span_size_set(pb, 80);
 175    elm_progressbar_pulse_set(pb, EINA_TRUE);
 176    elm_progressbar_unit_format_set(pb, NULL);
 177    elm_object_text_set(pb, "Infinite bounce");
 178    elm_box_pack_end(hbx, pb);
 179    evas_object_show(pb);
 180    example_data.pb5 = pb;
 181
 182    ic2 = elm_icon_add(win);
 183    elm_icon_file_set(ic2, buf, NULL);
 184    evas_object_size_hint_aspect_set(ic2, EVAS_ASPECT_CONTROL_HORIZONTAL, 1, 1);
 185
 186    /* vertical pb, inverted, with custom unit format and icon*/
 187    pb = elm_progressbar_add(win);
 188    elm_progressbar_horizontal_set(pb, EINA_FALSE);
 189    elm_object_text_set(pb, "Label");
 190    elm_object_part_content_set(pb, "icon", ic2);
 191    elm_progressbar_inverted_set(pb, EINA_TRUE);
 192    elm_progressbar_unit_format_set(pb, "%1.2f%%");
 193    elm_progressbar_span_size_set(pb, 200);
 194    evas_object_size_hint_align_set(pb, EVAS_HINT_FILL, 0.5);
 195    evas_object_size_hint_weight_set(pb, EVAS_HINT_EXPAND, EVAS_HINT_EXPAND);
 196    elm_box_pack_end(hbx, pb);
 197    evas_object_show(ic2);
 198    evas_object_show(pb);
 199    example_data.pb6 = pb;
 200
 201    /* "wheel" style progress bar */
 202    pb = elm_progressbar_add(win);
 203    elm_object_style_set(pb, "wheel");
 204    elm_object_text_set(pb, "Style: wheel");
 205    evas_object_size_hint_align_set(pb, EVAS_HINT_FILL, 0.5);
 206    evas_object_size_hint_weight_set(pb, EVAS_HINT_EXPAND, EVAS_HINT_EXPAND);
 207    elm_box_pack_end(bx, pb);
 208    evas_object_show(pb);
 209    example_data.pb7 = pb;
 210
 211    bt_bx = elm_box_add(win);
 212    elm_box_horizontal_set(bt_bx, EINA_TRUE);
 213    evas_object_size_hint_weight_set(bt_bx, EVAS_HINT_EXPAND, EVAS_HINT_EXPAND);
 214    elm_box_pack_end(bx, bt_bx);
 215    evas_object_show(bt_bx);
 216
 217    bt = elm_button_add(win);
 218    elm_object_text_set(bt, "Start");
 219    evas_object_smart_callback_add(bt, "clicked", _progressbar_example_start,
 220                                   NULL);
 221    elm_box_pack_end(bt_bx, bt);
 222    evas_object_show(bt);
 223
 224    bt = elm_button_add(win);
 225    elm_object_text_set(bt, "Stop");
 226    evas_object_smart_callback_add(bt, "clicked", _progressbar_example_stop,
 227                                   NULL);
 228    elm_box_pack_end(bt_bx, bt);
 229    evas_object_show(bt);
 230
 231    evas_object_show(win);
 232
 233    elm_run();
 234    elm_shutdown();
 235
 236    return 0;
 237 }
 238 ELM_MAIN()