src/examples/layout_example_03.c

   1 //Compile with:
   2 //gcc -g layout_example_03.c -o layout_example_03 `pkg-config --cflags --libs elementary`
   3
   4 #include <Elementary.h>
   5
   6 #define TITLE "example/title"
   7 #define SWALLOW "example/custom"
   8
   9 static Eina_Bool _btn_large = EINA_FALSE;
  10
  11 static void
  12 _swallow_btn_cb(void *data, Evas_Object *btn, void *event_info)
  13 {
  14    Evas_Object *layout = data;
  15
  16    if (_btn_large == EINA_FALSE)
  17      {
  18         _btn_large = EINA_TRUE;
  19         elm_object_signal_emit(layout, "button,enlarge", "");
  20         elm_object_text_set(btn, "Reduce me!");
  21      }
  22    else
  23      {
  24         _btn_large = EINA_FALSE;
  25         elm_object_signal_emit(layout, "button,reduce", "");
  26         elm_object_text_set(btn, "Enlarge me!");
  27      }
  28 }
  29
  30 static void
  31 _size_changed_cb(void *data, Evas_Object *layout, const char *emission, const char *source)
  32 {
  33    Evas_Object *edje;
  34    Evas_Coord w, h;
  35
  36    elm_layout_sizing_eval(layout);
  37    edje = elm_layout_edje_get(layout);
  38    edje_object_size_min_calc(edje, &w, &h);
  39    printf("Minimum size for this theme: %dx%d\n", w, h);
  40 }
  41
  42 EAPI_MAIN int
  43 elm_main(int argc, char **argv)
  44 {
  45    Evas_Object *win, *bg, *btn, *layout;
  46    char buf[PATH_MAX];
  47
  48    elm_app_info_set(elm_main, "elementary", "examples/layout_example.edj");
  49    win = elm_win_add(NULL, "layout", ELM_WIN_BASIC);
  50    elm_policy_set(ELM_POLICY_QUIT, ELM_POLICY_QUIT_LAST_WINDOW_CLOSED);
  51    elm_win_autodel_set(win, EINA_TRUE);
  52
  53    bg = elm_bg_add(win);
  54    elm_bg_color_set(bg, 255,255 ,255);
  55    evas_object_size_hint_weight_set(bg, EVAS_HINT_EXPAND, EVAS_HINT_EXPAND);
  56    elm_win_resize_object_add(win, bg);
  57    evas_object_show(bg);
  58
  59    // Adding layout
  60    layout = elm_layout_add(win);
  61    evas_object_size_hint_weight_set(layout, EVAS_HINT_EXPAND, EVAS_HINT_EXPAND);
  62    elm_win_resize_object_add(win, layout);
  63    snprintf(buf, sizeof(buf), "%s/examples/layout_example.edj", elm_app_data_dir_get());
  64    elm_layout_file_set(layout, buf, "example/mylayout3");
  65    evas_object_show(layout);
  66
  67    elm_object_signal_callback_add(layout, "size,changed", "", _size_changed_cb, layout);
  68
  69    // Setting title
  70    const char *title = elm_layout_data_get(layout, "title");
  71    if (title)
  72      {
  73         elm_win_title_set(win, title);
  74         elm_object_part_text_set(layout, TITLE, title);
  75      }
  76
  77    btn = elm_button_add(win);
  78    elm_object_text_set(btn, "Enlarge me!");
  79    evas_object_size_hint_weight_set(btn, EVAS_HINT_EXPAND, EVAS_HINT_EXPAND);
  80    evas_object_size_hint_align_set(btn, EVAS_HINT_FILL, EVAS_HINT_FILL);
  81    elm_object_part_content_set(layout, SWALLOW, btn);
  82    evas_object_smart_callback_add(btn, "clicked", _swallow_btn_cb, layout);
  83
  84    evas_object_resize(win, 160, 160);
  85    evas_object_show(win);
  86
  87    elm_run();
  88    elm_shutdown();
  89
  90    return 0;
  91 }
  92 ELM_MAIN()