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 -DDATA_DIR="\"<directory>\'""
   9  * @endverbatim
  10  */
  11
  12 #include <Elementary.h>
  13 #ifndef DATA_DIR
  14 # define DATA_DIR "/usr/share/elementary"
  15 #endif
  16
  17 typedef struct Progressbar_Example
  18 {
  19    Evas_Object *pb1;
  20    Evas_Object *pb2; /* pulsing */
  21    Evas_Object *pb3;
  22    Evas_Object *pb4;
  23    Evas_Object *pb5; /* pulsing */
  24    Evas_Object *pb6;
  25    Evas_Object *pb7; /* pulsing */
  26
  27    Eina_Bool    run;
  28    Ecore_Timer *timer;
  29 } Progressbar_Example;
  30
  31 static Progressbar_Example example_data;
  32
  33 static Eina_Bool
  34 _progressbar_example_value_set(void *data)
  35 {
  36    double progress;
  37
  38    progress = elm_progressbar_value_get(example_data.pb1);
  39    if (progress < 1.0) progress += 0.0123;
  40    else progress = 0.0;
  41
  42    /* just the non-pulsing ones need an update */
  43    elm_progressbar_value_set(example_data.pb1, progress);
  44    elm_progressbar_value_set(example_data.pb3, progress);
  45    elm_progressbar_value_set(example_data.pb4, progress);
  46    elm_progressbar_value_set(example_data.pb6, progress);
  47
  48    if (progress < 1.0) return ECORE_CALLBACK_RENEW;
  49
  50    example_data.run = 0;
  51    return ECORE_CALLBACK_CANCEL;
  52 }
  53
  54 static void
  55 _progressbar_example_start(void        *data,
  56                            Evas_Object *obj,
  57                            void        *event_info)
  58 {
  59    elm_progressbar_pulse(example_data.pb2, EINA_TRUE);
  60    elm_progressbar_pulse(example_data.pb5, EINA_TRUE);
  61    elm_progressbar_pulse(example_data.pb7, EINA_TRUE);
  62
  63    if (!example_data.run)
  64      {
  65         example_data.timer = ecore_timer_add(
  66             0.1, _progressbar_example_value_set, NULL);
  67         example_data.run = EINA_TRUE;
  68      }
  69 }
  70
  71 /* end of show */
  72 static void
  73 _progressbar_example_stop(void        *data,
  74                           Evas_Object *obj,
  75                           void        *event_info)
  76 {
  77    elm_progressbar_pulse(example_data.pb2, EINA_FALSE);
  78    elm_progressbar_pulse(example_data.pb5, EINA_FALSE);
  79    elm_progressbar_pulse(example_data.pb7, EINA_FALSE);
  80
  81    if (example_data.run)
  82      {
  83         ecore_timer_del(example_data.timer);
  84         example_data.run = EINA_FALSE;
  85      }
  86 }
  87
  88 static void
  89 _on_done(void        *data,
  90          Evas_Object *obj,
  91          void        *event_info)
  92 {
  93    _progressbar_example_stop(NULL, NULL, NULL);
  94    elm_exit();
  95 }
  96
  97 EAPI_MAIN int
  98 elm_main(int    argc,
  99          char **argv)
 100 {
 101    Evas_Object *win, *bg, *pb, *bx, *hbx, *bt, *bt_bx, *ic1, *ic2;
 102    char buf[PATH_MAX];
 103
 104    win = elm_win_add(NULL, "progressbar", ELM_WIN_BASIC);
 105    elm_win_title_set(win, "Progress bar example");
 106    evas_object_smart_callback_add(win, "delete,request", _on_done, NULL);
 107
 108    bg = elm_bg_add(win);
 109    elm_win_resize_object_add(win, bg);
 110    evas_object_size_hint_weight_set(bg, EVAS_HINT_EXPAND, EVAS_HINT_EXPAND);
 111    evas_object_show(bg);
 112
 113    bx = elm_box_add(win);
 114    elm_win_resize_object_add(win, bx);
 115    evas_object_size_hint_weight_set(bx, EVAS_HINT_EXPAND, EVAS_HINT_EXPAND);
 116    evas_object_show(bx);
 117
 118    /* pb with no label, default unit label and no icon */
 119    pb = elm_progressbar_add(win);
 120    evas_object_size_hint_weight_set(pb, EVAS_HINT_EXPAND, EVAS_HINT_EXPAND);
 121    evas_object_size_hint_align_set(pb, EVAS_HINT_FILL, 0.5);
 122    elm_box_pack_end(bx, pb);
 123    evas_object_show(pb);
 124    example_data.pb1 = pb;
 125
 126    /* pb with label, and set to pulse */
 127    pb = elm_progressbar_add(win);
 128    evas_object_size_hint_align_set(pb, EVAS_HINT_FILL, 0.5);
 129    evas_object_size_hint_weight_set(pb, EVAS_HINT_EXPAND, EVAS_HINT_EXPAND);
 130    elm_object_text_set(pb, "Infinite bounce");
 131    elm_progressbar_pulse_set(pb, EINA_TRUE);
 132    elm_box_pack_end(bx, pb);
 133    evas_object_show(pb);
 134    example_data.pb2 = pb;
 135
 136    ic1 = elm_icon_add(win);
 137    snprintf(buf, sizeof(buf), "%s/images/logo_small.png", DATA_DIR);
 138    elm_icon_file_set(ic1, buf, NULL);
 139    evas_object_size_hint_aspect_set(ic1, EVAS_ASPECT_CONTROL_VERTICAL, 1, 1);
 140
 141    /* pb with label, icon, custom unit label and span size set */
 142    pb = elm_progressbar_add(win);
 143    elm_object_text_set(pb, "Label");
 144    elm_object_part_content_set(pb, "icon", ic1);
 145    elm_progressbar_inverted_set(pb, EINA_TRUE);
 146    elm_progressbar_unit_format_set(pb, "%1.1f units");
 147    elm_progressbar_span_size_set(pb, 200);
 148    evas_object_size_hint_align_set(pb, EVAS_HINT_FILL, 0.5);
 149    evas_object_size_hint_weight_set(pb, EVAS_HINT_EXPAND, EVAS_HINT_EXPAND);
 150    elm_box_pack_end(bx, pb);
 151    evas_object_show(ic1);
 152    evas_object_show(pb);
 153    example_data.pb3 = pb;
 154
 155    hbx = elm_box_add(win);
 156    elm_box_horizontal_set(hbx, EINA_TRUE);
 157    evas_object_size_hint_weight_set(hbx, EVAS_HINT_EXPAND, EVAS_HINT_EXPAND);
 158    evas_object_size_hint_align_set(hbx, EVAS_HINT_FILL, EVAS_HINT_FILL);
 159    elm_box_pack_end(bx, hbx);
 160    evas_object_show(hbx);
 161
 162    /* vertical pb */
 163    pb = elm_progressbar_add(win);
 164    elm_progressbar_horizontal_set(pb, EINA_FALSE);
 165    evas_object_size_hint_align_set(pb, EVAS_HINT_FILL, EVAS_HINT_FILL);
 166    evas_object_size_hint_weight_set(pb, EVAS_HINT_EXPAND, EVAS_HINT_EXPAND);
 167    elm_box_pack_end(hbx, pb);
 168    elm_object_text_set(pb, "percent");
 169    evas_object_show(pb);
 170    example_data.pb4 = pb;
 171
 172    /* vertical pb, with pulse and custom (small) span size */
 173    pb = elm_progressbar_add(win);
 174    elm_progressbar_horizontal_set(pb, EINA_FALSE);
 175    evas_object_size_hint_align_set(pb, EVAS_HINT_FILL, 0.5);
 176    evas_object_size_hint_weight_set(pb, EVAS_HINT_EXPAND, EVAS_HINT_EXPAND);
 177    elm_progressbar_span_size_set(pb, 80);
 178    elm_progressbar_pulse_set(pb, EINA_TRUE);
 179    elm_progressbar_unit_format_set(pb, NULL);
 180    elm_object_text_set(pb, "Infinite bounce");
 181    elm_box_pack_end(hbx, pb);
 182    evas_object_show(pb);
 183    example_data.pb5 = pb;
 184
 185    ic2 = elm_icon_add(win);
 186    elm_icon_file_set(ic2, buf, NULL);
 187    evas_object_size_hint_aspect_set(ic2, EVAS_ASPECT_CONTROL_HORIZONTAL, 1, 1);
 188
 189    /* vertical pb, inverted, with custom unit format and icon*/
 190    pb = elm_progressbar_add(win);
 191    elm_progressbar_horizontal_set(pb, EINA_FALSE);
 192    elm_object_text_set(pb, "Label");
 193    elm_object_part_content_set(pb, "icon", ic2);
 194    elm_progressbar_inverted_set(pb, EINA_TRUE);
 195    elm_progressbar_unit_format_set(pb, "%1.2f%%");
 196    elm_progressbar_span_size_set(pb, 200);
 197    evas_object_size_hint_align_set(pb, EVAS_HINT_FILL, 0.5);
 198    evas_object_size_hint_weight_set(pb, EVAS_HINT_EXPAND, EVAS_HINT_EXPAND);
 199    elm_box_pack_end(hbx, pb);
 200    evas_object_show(ic2);
 201    evas_object_show(pb);
 202    example_data.pb6 = pb;
 203
 204    /* "wheel" style progress bar */
 205    pb = elm_progressbar_add(win);
 206    elm_object_style_set(pb, "wheel");
 207    elm_object_text_set(pb, "Style: wheel");
 208    evas_object_size_hint_align_set(pb, EVAS_HINT_FILL, 0.5);
 209    evas_object_size_hint_weight_set(pb, EVAS_HINT_EXPAND, EVAS_HINT_EXPAND);
 210    elm_box_pack_end(bx, pb);
 211    evas_object_show(pb);
 212    example_data.pb7 = pb;
 213
 214    bt_bx = elm_box_add(win);
 215    elm_box_horizontal_set(bt_bx, EINA_TRUE);
 216    evas_object_size_hint_weight_set(bt_bx, EVAS_HINT_EXPAND, EVAS_HINT_EXPAND);
 217    elm_box_pack_end(bx, bt_bx);
 218    evas_object_show(bt_bx);
 219
 220    bt = elm_button_add(win);
 221    elm_object_text_set(bt, "Start");
 222    evas_object_smart_callback_add(bt, "clicked", _progressbar_example_start,
 223                                   NULL);
 224    elm_box_pack_end(bt_bx, bt);
 225    evas_object_show(bt);
 226
 227    bt = elm_button_add(win);
 228    elm_object_text_set(bt, "Stop");
 229    evas_object_smart_callback_add(bt, "clicked", _progressbar_example_stop,
 230                                   NULL);
 231    elm_box_pack_end(bt_bx, bt);
 232    evas_object_show(bt);
 233
 234    evas_object_show(win);
 235
 236    elm_run();
 237    elm_shutdown();
 238
 239    return 0;
 240 }
 241 ELM_MAIN()