src/examples/layout_example_03.c

   1 //Compile with:
   2 //gcc -g `pkg-config --cflags --libs elementary` layout_example_03.c -o layout_example_03
   3
   4 #include <Elementary.h>
   5 #define DATA_DIR "."
   6
   7 #define TITLE "example/title"
   8 #define SWALLOW "example/custom"
   9
  10 static Eina_Bool _btn_large = EINA_FALSE;
  11
  12 static void
  13 _swallow_btn_cb(void *data, Evas_Object *btn, void *event_info)
  14 {
  15    Evas_Object *layout = data;
  16
  17    if (_btn_large == EINA_FALSE)
  18      {
  19         _btn_large = EINA_TRUE;
  20         elm_object_signal_emit(layout, "button,enlarge", "");
  21         elm_object_text_set(btn, "Reduce me!");
  22      }
  23    else
  24      {
  25         _btn_large = EINA_FALSE;
  26         elm_object_signal_emit(layout, "button,reduce", "");
  27         elm_object_text_set(btn, "Enlarge me!");
  28      }
  29 }
  30
  31 static void
  32 _size_changed_cb(void *data, Evas_Object *layout, const char *emission, const char *source)
  33 {
  34    Evas_Object *edje;
  35    Evas_Coord w, h;
  36
  37    elm_layout_sizing_eval(layout);
  38    edje = elm_layout_edje_get(layout);
  39    edje_object_size_min_calc(edje, &w, &h);
  40    printf("Minimum size for this theme: %dx%d\n", w, h);
  41 }
  42
  43 EAPI_MAIN int
  44 elm_main(int argc, char **argv)
  45 {
  46    Evas_Object *win, *bg, *btn, *layout;
  47
  48    win = elm_win_add(NULL, "layout", ELM_WIN_BASIC);
  49    elm_policy_set(ELM_POLICY_QUIT, ELM_POLICY_QUIT_LAST_WINDOW_CLOSED);
  50    elm_win_autodel_set(win, EINA_TRUE);
  51
  52    bg = elm_bg_add(win);
  53    elm_bg_color_set(bg, 255,255 ,255);
  54    evas_object_size_hint_weight_set(bg, EVAS_HINT_EXPAND, EVAS_HINT_EXPAND);
  55    elm_win_resize_object_add(win, bg);
  56    evas_object_show(bg);
  57
  58    // Adding layout
  59    layout = elm_layout_add(win);
  60    evas_object_size_hint_weight_set(layout, EVAS_HINT_EXPAND, EVAS_HINT_EXPAND);
  61    elm_win_resize_object_add(win, layout);
  62    elm_layout_file_set(
  63        layout, DATA_DIR "/examples/layout_example.edj",
  64        "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_size_hint_min_set(bg, 160, 160);
  85    evas_object_size_hint_max_set(bg, 640, 640);
  86    evas_object_resize(win, 160, 160);
  87    evas_object_show(win);
  88
  89    elm_run();
  90    elm_shutdown();
  91
  92    return 0;
  93 }
  94 ELM_MAIN()