src/examples/button_example_01.c

   1 /*
   2  * gcc -o button_example_01 button_example_01.c `pkg-config --cflags --libs elementary`
   3  */
   4 #include <Elementary.h>
   5
   6 typedef struct
   7 {
   8    Evas_Object *mid;
   9    Evas_Object *icon_still;
  10    struct {
  11       Evas_Object *up;
  12       Evas_Object *down;
  13       Evas_Object *left;
  14       Evas_Object *right;
  15    } cursors;
  16 } App_Data;
  17
  18 static void
  19 _btn_cursors_release_cb(void *data, Evas_Object *btn, void *ev)
  20 {
  21    App_Data *app = data;
  22    elm_object_part_content_set(app->mid, "icon", app->icon_still);
  23    app->icon_still = NULL;
  24 }
  25
  26 static void
  27 _btn_cursors_move_cb(void *data, Evas_Object *btn, void *ev)
  28 {
  29    App_Data *app = data;
  30    double ax, ay;
  31
  32    if (!app->icon_still)
  33      {
  34         Evas_Object *icon;
  35         app->icon_still = elm_object_content_unset(app->mid);
  36         evas_object_hide(app->icon_still);
  37         icon = elm_icon_add(app->mid);
  38         elm_icon_standard_set(icon, "chat");
  39         elm_object_part_content_set(app->mid, "icon", icon);
  40      }
  41
  42    evas_object_size_hint_align_get(app->mid, &ax, &ay);
  43    if (btn == app->cursors.up)
  44      {
  45         ay -= 0.05;
  46         if (ay < 0.0)
  47           ay = 0.0;
  48      }
  49    else if (btn == app->cursors.down)
  50      {
  51         ay += 0.05;
  52         if (ay > 1.0)
  53           ay = 1.0;
  54      }
  55    else if (btn == app->cursors.left)
  56      {
  57         ax -= 0.05;
  58         if (ax < 0.0)
  59           ax = 0.0;
  60      }
  61    else if (btn == app->cursors.right)
  62      {
  63         ax += 0.05;
  64         if (ax > 1.0)
  65           ax = 1.0;
  66      }
  67    evas_object_size_hint_align_set(app->mid, ax, ay);
  68 }
  69
  70 static void
  71 _btn_options_cb(void *data, Evas_Object *btn, void *ev)
  72 {
  73    char *ptr;
  74    double t;
  75    App_Data *app = data;
  76    const char *lbl = elm_object_text_get(btn);
  77
  78    ptr = strchr(lbl, ':');
  79    ptr += 2;
  80    t = strtod(ptr, NULL);
  81
  82    if (!strncmp(lbl, "Initial", 7))
  83      {
  84         elm_button_autorepeat_initial_timeout_set(app->cursors.up, t);
  85         elm_button_autorepeat_initial_timeout_set(app->cursors.down, t);
  86         elm_button_autorepeat_initial_timeout_set(app->cursors.left, t);
  87         elm_button_autorepeat_initial_timeout_set(app->cursors.right, t);
  88      }
  89    else if (!strncmp(lbl, "Gap", 3))
  90      {
  91         elm_button_autorepeat_gap_timeout_set(app->cursors.up, t);
  92         elm_button_autorepeat_gap_timeout_set(app->cursors.down, t);
  93         elm_button_autorepeat_gap_timeout_set(app->cursors.left, t);
  94         elm_button_autorepeat_gap_timeout_set(app->cursors.right, t);
  95      }
  96 }
  97
  98 EAPI_MAIN int
  99 elm_main(int argc, char *argv[])
 100 {
 101    Evas_Object *win, *bg, *box, *box2, *btn, *icon;
 102    static App_Data data;
 103
 104    elm_policy_set(ELM_POLICY_QUIT, ELM_POLICY_QUIT_LAST_WINDOW_CLOSED);
 105
 106    win = elm_win_add(NULL, "Button example", ELM_WIN_BASIC);
 107    elm_win_title_set(win, "Button example");
 108    elm_win_autodel_set(win, EINA_TRUE);
 109    evas_object_resize(win, 300, 320);
 110    evas_object_show(win);
 111
 112    bg = elm_bg_add(win);
 113    evas_object_size_hint_weight_set(bg, EVAS_HINT_EXPAND, EVAS_HINT_EXPAND);
 114    elm_win_resize_object_add(win, bg);
 115    evas_object_show(bg);
 116
 117    box = elm_box_add(win);
 118    evas_object_size_hint_weight_set(box, EVAS_HINT_EXPAND, EVAS_HINT_EXPAND);
 119    elm_win_resize_object_add(win, box);
 120    evas_object_show(box);
 121
 122    box2 = elm_box_add(win);
 123    elm_box_horizontal_set(box2, EINA_TRUE);
 124    evas_object_size_hint_weight_set(box2, EVAS_HINT_EXPAND, 0.0);
 125    elm_box_pack_end(box, box2);
 126    evas_object_show(box2);
 127
 128    btn = elm_button_add(win);
 129    elm_object_text_set(btn, "Initial: 0.0");
 130    elm_box_pack_end(box2, btn);
 131    evas_object_show(btn);
 132    evas_object_smart_callback_add(btn, "clicked", _btn_options_cb, &data);
 133
 134    btn = elm_button_add(win);
 135    elm_object_text_set(btn, "Initial: 1.0");
 136    elm_box_pack_end(box2, btn);
 137    evas_object_show(btn);
 138    evas_object_smart_callback_add(btn, "clicked", _btn_options_cb, &data);
 139
 140    btn = elm_button_add(win);
 141    elm_object_text_set(btn, "Initial: 5.0");
 142    elm_box_pack_end(box2, btn);
 143    evas_object_show(btn);
 144    evas_object_smart_callback_add(btn, "clicked", _btn_options_cb, &data);
 145
 146    box2 = elm_box_add(win);
 147    elm_box_horizontal_set(box2, EINA_TRUE);
 148    evas_object_size_hint_weight_set(box2, EVAS_HINT_EXPAND, 0.0);
 149    elm_box_pack_end(box, box2);
 150    evas_object_show(box2);
 151
 152    btn = elm_button_add(win);
 153    elm_object_text_set(btn, "Gap: 0.1");
 154    elm_box_pack_end(box2, btn);
 155    evas_object_show(btn);
 156    evas_object_smart_callback_add(btn, "clicked", _btn_options_cb, &data);
 157
 158    btn = elm_button_add(win);
 159    elm_object_text_set(btn, "Gap: 0.5");
 160    elm_box_pack_end(box2, btn);
 161    evas_object_show(btn);
 162    evas_object_smart_callback_add(btn, "clicked", _btn_options_cb, &data);
 163
 164    btn = elm_button_add(win);
 165    elm_object_text_set(btn, "Gap: 1.0");
 166    elm_box_pack_end(box2, btn);
 167    evas_object_show(btn);
 168    evas_object_smart_callback_add(btn, "clicked", _btn_options_cb, &data);
 169
 170    btn = elm_button_add(win);
 171    elm_button_autorepeat_set(btn, EINA_TRUE);
 172    elm_button_autorepeat_initial_timeout_set(btn, 1.0);
 173    elm_button_autorepeat_gap_timeout_set(btn, 0.5);
 174    evas_object_size_hint_weight_set(btn, EVAS_HINT_EXPAND, 0.0);
 175    evas_object_size_hint_align_set(btn, EVAS_HINT_FILL, 0.0);
 176    elm_box_pack_end(box, btn);
 177    evas_object_show(btn);
 178    evas_object_smart_callback_add(btn, "repeated", _btn_cursors_move_cb, &data);
 179    evas_object_smart_callback_add(btn, "unpressed", _btn_cursors_release_cb,
 180                                   &data);
 181
 182    icon = elm_icon_add(win);
 183    elm_icon_standard_set(icon, "arrow_up");
 184    elm_object_part_content_set(btn, "icon", icon);
 185
 186    data.cursors.up = btn;
 187
 188    box2 = elm_box_add(win);
 189    elm_box_horizontal_set(box2, EINA_TRUE);
 190    evas_object_size_hint_weight_set(box2, EVAS_HINT_EXPAND, EVAS_HINT_EXPAND);
 191    evas_object_size_hint_align_set(box2, EVAS_HINT_FILL, EVAS_HINT_FILL);
 192    elm_box_pack_end(box, box2);
 193    evas_object_show(box2);
 194
 195    btn = elm_button_add(win);
 196    elm_button_autorepeat_set(btn, EINA_TRUE);
 197    elm_button_autorepeat_initial_timeout_set(btn, 1.0);
 198    elm_button_autorepeat_gap_timeout_set(btn, 0.5);
 199    evas_object_size_hint_weight_set(btn, 0.0, EVAS_HINT_EXPAND);
 200    evas_object_size_hint_align_set(btn, 0.0, EVAS_HINT_FILL);
 201    elm_box_pack_end(box2, btn);
 202    evas_object_show(btn);
 203    evas_object_smart_callback_add(btn, "repeated", _btn_cursors_move_cb, &data);
 204    evas_object_smart_callback_add(btn, "unpressed", _btn_cursors_release_cb,
 205                                   &data);
 206
 207    icon = elm_icon_add(win);
 208    elm_icon_standard_set(icon, "arrow_left");
 209    elm_object_part_content_set(btn, "icon", icon);
 210
 211    data.cursors.left = btn;
 212
 213    btn = elm_button_add(win);
 214    evas_object_size_hint_weight_set(btn, EVAS_HINT_EXPAND, EVAS_HINT_EXPAND);
 215    elm_box_pack_end(box2, btn);
 216    evas_object_show(btn);
 217
 218    icon = elm_icon_add(win);
 219    elm_icon_standard_set(icon, "close");
 220    elm_object_part_content_set(btn, "icon", icon);
 221
 222    data.mid = btn;
 223
 224    btn = elm_button_add(win);
 225    elm_button_autorepeat_set(btn, EINA_TRUE);
 226    elm_button_autorepeat_initial_timeout_set(btn, 1.0);
 227    elm_button_autorepeat_gap_timeout_set(btn, 0.5);
 228    evas_object_size_hint_weight_set(btn, 0.0, EVAS_HINT_EXPAND);
 229    evas_object_size_hint_align_set(btn, 0.0, EVAS_HINT_FILL);
 230    elm_box_pack_end(box2, btn);
 231    evas_object_show(btn);
 232    evas_object_smart_callback_add(btn, "repeated", _btn_cursors_move_cb, &data);
 233    evas_object_smart_callback_add(btn, "unpressed", _btn_cursors_release_cb,
 234                                   &data);
 235
 236    icon = elm_icon_add(win);
 237    elm_icon_standard_set(icon, "arrow_right");
 238    elm_object_part_content_set(btn, "icon", icon);
 239
 240    data.cursors.right = btn;
 241
 242    btn = elm_button_add(win);
 243    elm_button_autorepeat_set(btn, EINA_TRUE);
 244    elm_button_autorepeat_initial_timeout_set(btn, 1.0);
 245    elm_button_autorepeat_gap_timeout_set(btn, 0.5);
 246    evas_object_size_hint_weight_set(btn, EVAS_HINT_EXPAND, 0.0);
 247    evas_object_size_hint_align_set(btn, EVAS_HINT_FILL, 0.0);
 248    elm_box_pack_end(box, btn);
 249    evas_object_show(btn);
 250    evas_object_smart_callback_add(btn, "repeated", _btn_cursors_move_cb, &data);
 251    evas_object_smart_callback_add(btn, "unpressed", _btn_cursors_release_cb,
 252                                   &data);
 253
 254    icon = elm_icon_add(win);
 255    elm_icon_standard_set(icon, "arrow_down");
 256    elm_object_part_content_set(btn, "icon", icon);
 257
 258    data.cursors.down = btn;
 259
 260    elm_run();
 261    elm_shutdown();
 262
 263    return 0;
 264 }
 265 ELM_MAIN()