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 #ifdef HAVE_CONFIG_H
   6 # include "elementary_config.h"
   7 #else
   8 # define __UNUSED__
   9 # define PACKAGE_DATA_DIR "."
  10 #endif
  11
  12 #define TITLE "example/title"
  13 #define SWALLOW "example/custom"
  14
  15 static Eina_Bool _btn_large = EINA_FALSE;
  16
  17 static void
  18 _swallow_btn_cb(void *data, Evas_Object *btn, void *event_info __UNUSED__)
  19 {
  20    Evas_Object *layout = data;
  21
  22    if (_btn_large == EINA_FALSE)
  23      {
  24         _btn_large = EINA_TRUE;
  25         elm_object_signal_emit(layout, "button,enlarge", "");
  26         elm_object_text_set(btn, "Reduce me!");
  27      }
  28    else
  29      {
  30         _btn_large = EINA_FALSE;
  31         elm_object_signal_emit(layout, "button,reduce", "");
  32         elm_object_text_set(btn, "Enlarge me!");
  33      }
  34 }
  35
  36 static void
  37 _size_changed_cb(void *data __UNUSED__, Evas_Object *layout, const char *emission __UNUSED__, const char *source __UNUSED__)
  38 {
  39    Evas_Object *edje;
  40    Evas_Coord w, h;
  41
  42    elm_layout_sizing_eval(layout);
  43    edje = elm_layout_edje_get(layout);
  44    edje_object_size_min_calc(edje, &w, &h);
  45    printf("Minimum size for this theme: %dx%d\n", w, h);
  46 }
  47
  48 int
  49 elm_main(int argc __UNUSED__, char **argv __UNUSED__)
  50 {
  51    Evas_Object *win, *bg, *btn, *layout;
  52
  53    win = elm_win_add(NULL, "layout", ELM_WIN_BASIC);
  54    elm_policy_set(ELM_POLICY_QUIT, ELM_POLICY_QUIT_LAST_WINDOW_CLOSED);
  55    elm_win_autodel_set(win, EINA_TRUE);
  56
  57    bg = elm_bg_add(win);
  58    elm_bg_color_set(bg, 255,255 ,255);
  59    evas_object_size_hint_weight_set(bg, EVAS_HINT_EXPAND, EVAS_HINT_EXPAND);
  60    elm_win_resize_object_add(win, bg);
  61    evas_object_show(bg);
  62
  63    // Adding layout
  64    layout = elm_layout_add(win);
  65    evas_object_size_hint_weight_set(layout, EVAS_HINT_EXPAND, EVAS_HINT_EXPAND);
  66    elm_win_resize_object_add(win, layout);
  67    elm_layout_file_set(
  68        layout, PACKAGE_DATA_DIR "/examples/layout_example.edj",
  69        "example/mylayout3");
  70    evas_object_show(layout);
  71
  72    elm_object_signal_callback_add(layout, "size,changed", "", _size_changed_cb, layout);
  73
  74    // Setting title
  75    const char *title = elm_layout_data_get(layout, "title");
  76    if (title)
  77      {
  78         elm_win_title_set(win, title);
  79         elm_object_part_text_set(layout, TITLE, title);
  80      }
  81
  82    btn = elm_button_add(win);
  83    elm_object_text_set(btn, "Enlarge me!");
  84    evas_object_size_hint_weight_set(btn, EVAS_HINT_EXPAND, EVAS_HINT_EXPAND);
  85    evas_object_size_hint_align_set(btn, EVAS_HINT_FILL, EVAS_HINT_FILL);
  86    elm_object_part_content_set(layout, SWALLOW, btn);
  87    evas_object_smart_callback_add(btn, "clicked", _swallow_btn_cb, layout);
  88
  89    evas_object_size_hint_min_set(bg, 160, 160);
  90    evas_object_size_hint_max_set(bg, 640, 640);
  91    evas_object_resize(win, 160, 160);
  92    evas_object_show(win);
  93
  94    elm_run();
  95
  96    return 0;
  97 }
  98
  99 ELM_MAIN()