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 progressbar_example.c -o progressbar_example `pkg-config --cflags --libs elementary`
   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    elm_app_info_set(elm_main, "elementary", "images/logo_small.png");
 102    win = elm_win_add(NULL, "progressbar", ELM_WIN_BASIC);
 103    elm_win_title_set(win, "Progress bar example");
 104    evas_object_smart_callback_add(win, "delete,request", _on_done, NULL);
 105
 106    bg = elm_bg_add(win);
 107    elm_win_resize_object_add(win, bg);
 108    evas_object_size_hint_weight_set(bg, EVAS_HINT_EXPAND, EVAS_HINT_EXPAND);
 109    evas_object_show(bg);
 110
 111    bx = elm_box_add(win);
 112    elm_win_resize_object_add(win, bx);
 113    evas_object_size_hint_weight_set(bx, EVAS_HINT_EXPAND, EVAS_HINT_EXPAND);
 114    evas_object_show(bx);
 115
 116    /* pb with no label, default unit label and no icon */
 117    pb = elm_progressbar_add(win);
 118    evas_object_size_hint_weight_set(pb, EVAS_HINT_EXPAND, EVAS_HINT_EXPAND);
 119    evas_object_size_hint_align_set(pb, EVAS_HINT_FILL, 0.5);
 120    elm_box_pack_end(bx, pb);
 121    evas_object_show(pb);
 122    example_data.pb1 = pb;
 123
 124    /* pb with label, and set to pulse */
 125    pb = elm_progressbar_add(win);
 126    evas_object_size_hint_align_set(pb, EVAS_HINT_FILL, 0.5);
 127    evas_object_size_hint_weight_set(pb, EVAS_HINT_EXPAND, EVAS_HINT_EXPAND);
 128    elm_object_text_set(pb, "Infinite bounce");
 129    elm_progressbar_pulse_set(pb, EINA_TRUE);
 130    elm_box_pack_end(bx, pb);
 131    evas_object_show(pb);
 132    example_data.pb2 = pb;
 133
 134    ic1 = elm_icon_add(win);
 135    snprintf(buf, sizeof(buf), "%s/images/logo_small.png", elm_app_data_dir_get());
 136    elm_icon_file_set(ic1, buf, NULL);
 137    evas_object_size_hint_aspect_set(ic1, EVAS_ASPECT_CONTROL_VERTICAL, 1, 1);
 138
 139    /* pb with label, icon, custom unit label and span size set */
 140    pb = elm_progressbar_add(win);
 141    elm_object_text_set(pb, "Label");
 142    elm_object_part_content_set(pb, "icon", ic1);
 143    elm_progressbar_inverted_set(pb, EINA_TRUE);
 144    elm_progressbar_unit_format_set(pb, "%1.1f units");
 145    elm_progressbar_span_size_set(pb, 200);
 146    evas_object_size_hint_align_set(pb, EVAS_HINT_FILL, 0.5);
 147    evas_object_size_hint_weight_set(pb, EVAS_HINT_EXPAND, EVAS_HINT_EXPAND);
 148    elm_box_pack_end(bx, pb);
 149    evas_object_show(ic1);
 150    evas_object_show(pb);
 151    example_data.pb3 = pb;
 152
 153    hbx = elm_box_add(win);
 154    elm_box_horizontal_set(hbx, EINA_TRUE);
 155    evas_object_size_hint_weight_set(hbx, EVAS_HINT_EXPAND, EVAS_HINT_EXPAND);
 156    evas_object_size_hint_align_set(hbx, EVAS_HINT_FILL, EVAS_HINT_FILL);
 157    elm_box_pack_end(bx, hbx);
 158    evas_object_show(hbx);
 159
 160    /* vertical pb */
 161    pb = elm_progressbar_add(win);
 162    elm_progressbar_horizontal_set(pb, EINA_FALSE);
 163    evas_object_size_hint_align_set(pb, EVAS_HINT_FILL, EVAS_HINT_FILL);
 164    evas_object_size_hint_weight_set(pb, EVAS_HINT_EXPAND, EVAS_HINT_EXPAND);
 165    elm_box_pack_end(hbx, pb);
 166    elm_object_text_set(pb, "percent");
 167    evas_object_show(pb);
 168    example_data.pb4 = pb;
 169
 170    /* vertical pb, with pulse and custom (small) span size */
 171    pb = elm_progressbar_add(win);
 172    elm_progressbar_horizontal_set(pb, EINA_FALSE);
 173    evas_object_size_hint_align_set(pb, EVAS_HINT_FILL, 0.5);
 174    evas_object_size_hint_weight_set(pb, EVAS_HINT_EXPAND, EVAS_HINT_EXPAND);
 175    elm_progressbar_span_size_set(pb, 80);
 176    elm_progressbar_pulse_set(pb, EINA_TRUE);
 177    elm_progressbar_unit_format_set(pb, NULL);
 178    elm_object_text_set(pb, "Infinite bounce");
 179    elm_box_pack_end(hbx, pb);
 180    evas_object_show(pb);
 181    example_data.pb5 = pb;
 182
 183    ic2 = elm_icon_add(win);
 184    elm_icon_file_set(ic2, buf, NULL);
 185    evas_object_size_hint_aspect_set(ic2, EVAS_ASPECT_CONTROL_HORIZONTAL, 1, 1);
 186
 187    /* vertical pb, inverted, with custom unit format and icon*/
 188    pb = elm_progressbar_add(win);
 189    elm_progressbar_horizontal_set(pb, EINA_FALSE);
 190    elm_object_text_set(pb, "Label");
 191    elm_object_part_content_set(pb, "icon", ic2);
 192    elm_progressbar_inverted_set(pb, EINA_TRUE);
 193    elm_progressbar_unit_format_set(pb, "%1.2f%%");
 194    elm_progressbar_span_size_set(pb, 200);
 195    evas_object_size_hint_align_set(pb, EVAS_HINT_FILL, 0.5);
 196    evas_object_size_hint_weight_set(pb, EVAS_HINT_EXPAND, EVAS_HINT_EXPAND);
 197    elm_box_pack_end(hbx, pb);
 198    evas_object_show(ic2);
 199    evas_object_show(pb);
 200    example_data.pb6 = pb;
 201
 202    /* "wheel" style progress bar */
 203    pb = elm_progressbar_add(win);
 204    elm_object_style_set(pb, "wheel");
 205    elm_object_text_set(pb, "Style: wheel");
 206    evas_object_size_hint_align_set(pb, EVAS_HINT_FILL, 0.5);
 207    evas_object_size_hint_weight_set(pb, EVAS_HINT_EXPAND, EVAS_HINT_EXPAND);
 208    elm_box_pack_end(bx, pb);
 209    evas_object_show(pb);
 210    example_data.pb7 = pb;
 211
 212    bt_bx = elm_box_add(win);
 213    elm_box_horizontal_set(bt_bx, EINA_TRUE);
 214    evas_object_size_hint_weight_set(bt_bx, EVAS_HINT_EXPAND, EVAS_HINT_EXPAND);
 215    elm_box_pack_end(bx, bt_bx);
 216    evas_object_show(bt_bx);
 217
 218    bt = elm_button_add(win);
 219    elm_object_text_set(bt, "Start");
 220    evas_object_smart_callback_add(bt, "clicked", _progressbar_example_start,
 221                                   NULL);
 222    elm_box_pack_end(bt_bx, bt);
 223    evas_object_show(bt);
 224
 225    bt = elm_button_add(win);
 226    elm_object_text_set(bt, "Stop");
 227    evas_object_smart_callback_add(bt, "clicked", _progressbar_example_stop,
 228                                   NULL);
 229    elm_box_pack_end(bt_bx, bt);
 230    evas_object_show(bt);
 231
 232    evas_object_show(win);
 233
 234    elm_run();
 235    elm_shutdown();
 236
 237    return 0;
 238 }
 239 ELM_MAIN()