src/examples/layout_example_02.c

   1 //Compile with:
   2 //gcc -g layout_example_02.c -o layout_example_02 `pkg-config --cflags --libs elementary`
   3
   4 #include <Elementary.h>
   5
   6 #define TABLE "example/table"
   7 #define BOX "example/box"
   8 #define TITLE "example/title"
   9 #define SWALLOW "example/custom"
  10
  11 static const char *images[] = { "home", "close", "arrow_up", "arrow_down", NULL };
  12
  13 struct _App {
  14      int current;
  15 };
  16
  17 static void
  18 _signal_cb(void *data, Evas_Object *o, const char *emission, const char *source)
  19 {
  20    struct _App *app = data;
  21    Evas_Object *icon = elm_object_part_content_get(o, "elm.swallow.content");
  22
  23    printf("signal received\n");
  24
  25    if (!strcmp("elm,action,back", emission))
  26      app->current--;
  27    else if (!strcmp("elm,action,next", emission))
  28      app->current++;
  29
  30    if (app->current < 0)
  31      app->current = (sizeof(images) / sizeof(images[0])) - 2;
  32    else if (images[app->current] == NULL)
  33      app->current = 0;
  34
  35    elm_icon_standard_set(icon, images[app->current]);
  36 }
  37
  38 EAPI_MAIN int
  39 elm_main(int argc, char **argv)
  40 {
  41    Evas_Object *win, *layout, *icon;
  42    struct _App app;
  43
  44    app.current = 0;
  45
  46    elm_policy_set(ELM_POLICY_QUIT, ELM_POLICY_QUIT_LAST_WINDOW_CLOSED);
  47
  48    win = elm_win_util_standard_add("layout", "Layout");
  49    elm_win_autodel_set(win, EINA_TRUE);
  50
  51    // Adding layout and filling it with widgets
  52    layout = elm_layout_add(win);
  53    evas_object_size_hint_weight_set(layout, EVAS_HINT_EXPAND, EVAS_HINT_EXPAND);
  54    elm_win_resize_object_add(win, layout);
  55    if (!elm_layout_theme_set(
  56          layout, "layout", "application", "content-back-next"))
  57      fprintf(stderr, "Failed to set layout");
  58    evas_object_show(layout);
  59
  60    icon = elm_icon_add(win);
  61    elm_icon_standard_set(icon, images[app.current]);
  62    evas_object_size_hint_weight_set(layout, EVAS_HINT_EXPAND, EVAS_HINT_EXPAND);
  63    elm_object_part_content_set(layout, "elm.swallow.content", icon);
  64
  65    elm_object_signal_callback_add(layout, "elm,action,back", "elm", _signal_cb, &app);
  66    elm_object_signal_callback_add(layout, "elm,action,next", "elm", _signal_cb, &app);
  67
  68    evas_object_resize(win, 320, 320);
  69    evas_object_show(win);
  70
  71    elm_run();
  72
  73    return 0;
  74 }
  75 ELM_MAIN()