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