layout_example_02.c
//Compile with:
//gcc -g layout_example_02.c -o layout_example_02 `pkg-config --cflags --libs elementary`
#include <Elementary.h>
#define TABLE "example/table"
#define BOX "example/box"
#define TITLE "example/title"
#define SWALLOW "example/custom"
static const char *images[] = { "home", "close", "arrow_up", "arrow_down", NULL };
struct _App {
int current;
};
static void
_signal_cb(void *data, Evas_Object *o, const char *emission, const char *source)
{
struct _App *app = data;
Evas_Object *icon = elm_object_part_content_get(o, "elm.swallow.content");
printf("signal received\n");
if (!strcmp("elm,action,back", emission))
app->current--;
else if (!strcmp("elm,action,next", emission))
app->current++;
if (app->current < 0)
app->current = (sizeof(images) / sizeof(images[0])) - 2;
else if (images[app->current] == NULL)
app->current = 0;
elm_icon_standard_set(icon, images[app->current]);
}
EAPI_MAIN int
elm_main(int argc, char **argv)
{
Evas_Object *win, *layout, *icon;
struct _App app;
app.current = 0;
elm_policy_set(ELM_POLICY_QUIT, ELM_POLICY_QUIT_LAST_WINDOW_CLOSED);
win = elm_win_util_standard_add("layout", "Layout");
elm_win_autodel_set(win, EINA_TRUE);
// Adding layout and filling it with widgets
layout = elm_layout_add(win);
evas_object_size_hint_weight_set(layout, EVAS_HINT_EXPAND, EVAS_HINT_EXPAND);
elm_win_resize_object_add(win, layout);
if (!elm_layout_theme_set(
layout, "layout", "application", "content-back-next"))
fprintf(stderr, "Failed to set layout");
evas_object_show(layout);
icon = elm_icon_add(win);
elm_icon_standard_set(icon, images[app.current]);
evas_object_size_hint_weight_set(layout, EVAS_HINT_EXPAND, EVAS_HINT_EXPAND);
elm_object_part_content_set(layout, "elm.swallow.content", icon);
elm_object_signal_callback_add(layout, "elm,action,back", "elm", _signal_cb, &app);
elm_object_signal_callback_add(layout, "elm,action,next", "elm", _signal_cb, &app);
evas_object_resize(win, 320, 320);
evas_object_show(win);
elm_run();
return 0;
}
ELM_MAIN()