efl

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/**
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 * Simple Edje example illustrating text functions.
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 *
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 * You'll need at least one Evas engine built for it (excluding the
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 * buffer one). See stdout/stderr for output.
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 *
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 * @verbatim
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 * edje_cc -md . text.edc && gcc -o edje-text edje-text.c `pkg-config --libs --cflags ecore-evas edje evas ecore eo`
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 * @endverbatim
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 */
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#ifdef HAVE_CONFIG_H
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# include "config.h"
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#else
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# define EINA_UNUSED
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#endif
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#ifndef PACKAGE_DATA_DIR
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#define PACKAGE_DATA_DIR "."
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#endif
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#include <Ecore.h>
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#include <Ecore_Evas.h>
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#include <Edje.h>
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#include <locale.h>
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#include "Eo.h"
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#define WIDTH  (500)
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#define HEIGHT (500)
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static int lang_idx = 0;
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static const char *lang[] = {
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  "en_IN",
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  "ta_IN",
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  "hi_IN"
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};
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static void
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_on_delete(Ecore_Evas *ee EINA_UNUSED)
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{
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   ecore_main_loop_quit();
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}
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static void
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_on_text_change(void *data EINA_UNUSED, Evas_Object *obj, const char *part)
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{
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   char *str = edje_object_part_text_unescaped_get(obj, part);
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   printf("text: %s\n", str);
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   free(str);
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}
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static void
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_on_mouse_down(void *data EINA_UNUSED, Evas *e EINA_UNUSED, Evas_Object *o, void *event_info EINA_UNUSED)
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{
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   static char envbuf[20]; // doesn't have to be static, but a good habit
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   char *env;
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   lang_idx = (lang_idx + 1) % (sizeof (lang) / sizeof (lang[0]));
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   fprintf(stderr, "Setting lang of this edje object to '%s'\n", lang[lang_idx]);
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   // unfortunately dealing with env vars portably means using putenv()
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   // which has issues that lead to complexity like below. the envbuf is
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   // static because in general  it's a good habit when dealing with putenv()
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   // but in this case it doesn't need to be. it's good to show good habits
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   // at any rate. read up pn putenv() and how it takes the string pointer
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   // directly into the env and takes "ownership" (but will never actually
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   // free it if its an allocated string etc.).
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   env = getenv("LANGUAGE");
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   if (env) env = strdup(env);
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   snprintf(envbuf, sizeof(envbuf), "LANGUAGE=%s", lang[lang_idx]);
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   putenv(envbuf);
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   edje_object_language_set(o, lang[lang_idx]);
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   snprintf(envbuf, sizeof(envbuf), "LANGUAGE=%s", env ? env : "");
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   putenv(envbuf);
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   free(env);
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}
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static void
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_on_mouse_down_text(void *data EINA_UNUSED, Evas *e EINA_UNUSED, Evas_Object *o EINA_UNUSED, void *event_info EINA_UNUSED)
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{
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   static char *env_lang_str = NULL;
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   char *s;
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   lang_idx = (lang_idx + 1) % (sizeof (lang)/ sizeof (lang[0]));
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   fprintf(stderr, "Setting lang to '%s'\n", lang[lang_idx]);
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   s = malloc(10 + strlen(lang[lang_idx]));
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   if (s)
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     {
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        strcpy(s, "LANGUAGE=");
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        strcpy(s + 9, lang[lang_idx]);
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        putenv(s);
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        if (env_lang_str) free(env_lang_str);
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        env_lang_str = s;
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     }
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   edje_language_set(lang[lang_idx]);
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}
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int
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main(int argc EINA_UNUSED, char *argv[] EINA_UNUSED)
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{
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   const char  *edje_file = PACKAGE_DATA_DIR"/text.edj";
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   Ecore_Evas  *ee;
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   Evas        *evas;
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   Evas_Object *bg;
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   Evas_Object *edje_obj;
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   Evas_Object *edje_obj_one;
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   Evas_Object *edje_obj_two;
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   Evas_Object *edje_obj_three;
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   if (!ecore_evas_init())
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     return EXIT_FAILURE;
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   if (!edje_init())
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     goto shutdown_ecore_evas;
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   /* this will give you a window with an Evas canvas under the first
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    * engine available */
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   ee = ecore_evas_new(NULL, 0, 0, WIDTH, HEIGHT, NULL);
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   if (!ee) goto shutdown_edje;
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   ecore_evas_callback_delete_request_set(ee, _on_delete);
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   ecore_evas_title_set(ee, "Edje Text Example");
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   evas = ecore_evas_get(ee);
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   bg = evas_object_rectangle_add(evas);
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   evas_object_color_set(bg, 255, 255, 255, 255); /* white bg */
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   evas_object_move(bg, 0, 0); /* at canvas' origin */
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   evas_object_resize(bg, WIDTH, HEIGHT); /* covers full canvas */
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   evas_object_show(bg);
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   ecore_evas_object_associate(ee, bg, ECORE_EVAS_OBJECT_ASSOCIATE_BASE);
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   edje_obj = edje_object_add(evas);
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   edje_object_file_set(edje_obj, edje_file, "example_group");
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   evas_object_move(edje_obj, 0, 20);
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   evas_object_resize(edje_obj, WIDTH - 40, HEIGHT - 40);
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   evas_object_show(edje_obj);
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   putenv("LANGUAGE=en_IN");
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   edje_object_language_set(edje_obj, "en_IN");
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   edje_object_text_change_cb_set(edje_obj, _on_text_change, NULL);
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   edje_object_part_text_set(edje_obj, "part_two", "<b>Click here");
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   edje_object_part_text_select_allow_set(edje_obj, "part_two", EINA_TRUE);
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   edje_object_part_text_select_all(edje_obj, "part_two");
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   printf("selection: %s\n", edje_object_part_text_selection_get(edje_obj, "part_two"));
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   edje_object_part_text_select_none(edje_obj, "part_two");
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   printf("selection: %s\n", edje_object_part_text_selection_get(edje_obj, "part_two"));
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   evas_object_event_callback_add(edje_obj, EVAS_CALLBACK_MOUSE_DOWN, _on_mouse_down, NULL);
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   edje_obj_one = edje_object_add(evas);
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   edje_object_file_set(edje_obj_one, edje_file, "example_group1");
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   evas_object_move(edje_obj_one, 0, 50);
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   evas_object_resize(edje_obj_one, WIDTH - 40, HEIGHT - 40);
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   evas_object_show(edje_obj_one);
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   edje_object_language_set(edje_obj_one, "en_IN");
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   edje_object_text_change_cb_set(edje_obj_one, _on_text_change, NULL);
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   edje_object_part_text_set(edje_obj_one, "part_two", "<b>Click here");
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   edje_object_part_text_select_allow_set(edje_obj_one, "part_two", EINA_TRUE);
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   edje_object_part_text_select_all(edje_obj_one, "part_two");
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   printf("selection: %s\n", edje_object_part_text_selection_get(edje_obj_one, "part_two"));
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   edje_object_part_text_select_none(edje_obj_one, "part_two");
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   printf("selection: %s\n", edje_object_part_text_selection_get(edje_obj_one, "part_two"));
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   evas_object_event_callback_add(edje_obj_one, EVAS_CALLBACK_MOUSE_DOWN, _on_mouse_down, NULL);
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   //Generic Language change
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   edje_obj_two = edje_object_add(evas);
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   edje_object_file_set(edje_obj_two, edje_file, "example_group2");
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   evas_object_move(edje_obj_two, 0, 250);
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   evas_object_resize(edje_obj_two, WIDTH - 40, HEIGHT - 40);
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   evas_object_show(edje_obj_two);
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   edje_language_set("en_IN");
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   edje_object_text_change_cb_set(edje_obj_two, _on_text_change, NULL);
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   edje_object_part_text_set(edje_obj_two, "part_two", "<b>Click here");
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   edje_object_part_text_select_allow_set(edje_obj_two, "part_two", EINA_TRUE);
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   edje_object_part_text_select_all(edje_obj_two, "part_two");
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   printf("selection: %s\n", edje_object_part_text_selection_get(edje_obj_two, "part_two"));
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   edje_object_part_text_select_none(edje_obj_two, "part_two");
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   printf("selection: %s\n", edje_object_part_text_selection_get(edje_obj_two, "part_two"));
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   evas_object_event_callback_add(edje_obj_two, EVAS_CALLBACK_MOUSE_DOWN, _on_mouse_down_text, NULL);
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   edje_obj_three = edje_object_add(evas);
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   edje_object_file_set(edje_obj_three, edje_file, "example_group3");
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   evas_object_move(edje_obj_three, 0, 350);
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   evas_object_resize(edje_obj_three, WIDTH - 40, HEIGHT - 40);
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   evas_object_show(edje_obj_three);
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   edje_object_text_change_cb_set(edje_obj_three, _on_text_change, NULL);
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   edje_object_part_text_set(edje_obj_three, "part_two", "<b>Click here");
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   edje_object_part_text_select_allow_set(edje_obj_three, "part_two", EINA_TRUE);
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   edje_object_part_text_select_all(edje_obj_three, "part_two");
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   printf("selection: %s\n", edje_object_part_text_selection_get(edje_obj_three, "part_two"));
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   edje_object_part_text_select_none(edje_obj_three, "part_two");
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   printf("selection: %s\n", edje_object_part_text_selection_get(edje_obj_three, "part_two"));
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   evas_object_event_callback_add(edje_obj_three, EVAS_CALLBACK_MOUSE_DOWN, _on_mouse_down_text, NULL);
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   ecore_evas_show(ee);
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   ecore_main_loop_begin();
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   ecore_evas_free(ee);
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   ecore_evas_shutdown();
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   edje_shutdown();
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   return EXIT_SUCCESS;
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 shutdown_edje:
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   edje_shutdown();
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 shutdown_ecore_evas:
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   ecore_evas_shutdown();
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   return EXIT_FAILURE;
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}
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