prefs_example_03.c

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prefs_example_03.c
//Compile with:
//gcc -o prefs_example_03 prefs_example_03.c -g `pkg-config --cflags --libs elementary`
#include <Elementary.h>
#define WIDTH (500)
#define HEIGHT (700)
#define MSG_ID_VEL (1)
static void
_update_animation(Evas_Object *prefs, Evas_Object *layout)
{
Eina_Value value;
Eina_Bool animation;
elm_prefs_item_value_get(prefs, "main:config:options:animation", &value);
eina_value_get(&value, &animation);
if (animation)
elm_layout_signal_emit(layout, "start", "animation");
else
elm_layout_signal_emit(layout, "stop", "animation");
}
static void
_update_animation_time(Evas_Object *prefs, Evas_Object *layout)
{
Eina_Value value;
float animation_time;
Edje_Message_Float msg;
elm_prefs_item_value_get(prefs, "main:config:options:animation_time", &value);
eina_value_get(&value, &animation_time);
if (animation_time < 0.01) animation_time = 0.01;
msg.val = animation_time;
edje_object_message_send(elm_layout_edje_get(layout), EDJE_MESSAGE_FLOAT,
MSG_ID_VEL, &msg);
}
static void
_update(Evas_Object *prefs, Evas_Object *layout)
{
_update_animation(prefs, layout);
_update_animation_time(prefs, layout);
}
static void
_page_loaded_cb(void *data, Evas_Object *obj, void *event_info)
{
Evas_Object *layout = data;
_update(obj, layout);
}
static void
_item_changed_cb(void *data, Evas_Object *obj, void *event_info)
{
const char *item = event_info;
Evas_Object *layout = data;
if (!strcmp(item, "main:config:options:animation_time"))
_update_animation_time(obj, layout);
else if (!strcmp(item, "main:config:options:animation"))
_update_animation(obj, layout);
}
EAPI_MAIN int
elm_main(int argc, char **argv)
{
Evas_Object *win, *prefs, *layout;
Elm_Prefs_Data *prefs_data;
elm_policy_set(ELM_POLICY_QUIT, ELM_POLICY_QUIT_LAST_WINDOW_CLOSED);
win = elm_win_util_standard_add("Prefs", "Prefs Example 03");
elm_win_autodel_set(win, EINA_TRUE);
layout = elm_layout_add(win);
elm_layout_file_set(layout, "prefs_example_03.edj", "prefs_edje");
prefs = elm_prefs_add(win);
evas_object_size_hint_weight_set(prefs, EVAS_HINT_EXPAND, EVAS_HINT_EXPAND);
evas_object_resize(prefs, WIDTH, HEIGHT);
evas_object_show(prefs);
evas_object_smart_callback_add(prefs, "page,loaded", _page_loaded_cb,
layout);
evas_object_smart_callback_add(prefs, "item,changed", _item_changed_cb,
layout);
elm_prefs_autosave_set(prefs, EINA_TRUE);
prefs_data =
elm_prefs_data_new("./prefs_example_03.cfg", NULL, EET_FILE_MODE_READ_WRITE);
elm_prefs_file_set(prefs, "prefs_example_03.epb", NULL);
elm_prefs_data_set(prefs, prefs_data);
elm_prefs_item_swallow(prefs, "main:swal", layout);
_update_animation_time(prefs, layout);
_update_animation(prefs, layout);
evas_object_resize(win, WIDTH, HEIGHT);
evas_object_show(win);
elm_run();
elm_prefs_data_unref(prefs_data);
return 0;
}
ELM_MAIN()