Tizen Native API
8.0
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edje-signals-messages.c
#ifdef HAVE_CONFIG_H #include "config.h" #else #define PACKAGE_EXAMPLES_DIR "." #define EINA_UNUSED #endif #ifndef PACKAGE_DATA_DIR #define PACKAGE_DATA_DIR "." #endif #include <Ecore.h> #include <Ecore_Evas.h> #include <Edje.h> #include <stdio.h> #define WIDTH (300) #define HEIGHT (300) #define MSG_COLOR 1 #define MSG_TEXT 2 static const char commands[] = \ "commands are:\n" "\tt - toggle right rectangle's visibility\n" "\tEsc - exit\n" "\th - print help\n"; static Eina_Bool right_rect_show = EINA_TRUE; static void _on_keydown(void *data, Evas *evas EINA_UNUSED, Evas_Object *o EINA_UNUSED, void *einfo) { Evas_Event_Key_Down *ev; Evas_Object *edje_obj; ev = (Evas_Event_Key_Down *)einfo; edje_obj = (Evas_Object *)data; if (!strcmp(ev->key, "h")) /* print help */ { printf(commands); return; } else if (!strcmp(ev->key, "t")) /* toggle right rectangle's visibility */ { char buf[1024]; right_rect_show = !right_rect_show; snprintf(buf, sizeof(buf), "part_right,%s", right_rect_show ? "show" : "hide"); printf("emitting %s\n", buf); edje_object_signal_emit(edje_obj, buf, ""); return; } else if (!strcmp(ev->key, "Escape")) ecore_main_loop_quit(); else { printf("unhandled key: %s\n", ev->key); printf(commands); } } static void _on_delete(Ecore_Evas *ee EINA_UNUSED) { ecore_main_loop_quit(); } /* print signals coming from theme */ static void _sig_print(const char *emission, const char *source) { printf("Signal %s coming from part %s!\n", emission, source); } static void _on_mouse_wheel(void *data EINA_UNUSED, Evas_Object *obj EINA_UNUSED, const char *emission, const char *source) { _sig_print(emission, source); } /* mouse over signals */ static void _on_mouse_over(void *data EINA_UNUSED, Evas_Object *edje_obj, const char *emission, const char *source) { int i; _sig_print(emission, source); Edje_Message_Int_Set *msg = malloc(sizeof(*msg) + 3 * sizeof(int)); msg->count = 4; for (i = 0; i < 4; i++) msg->val[i] = rand() % 256; edje_object_message_send(edje_obj, EDJE_MESSAGE_INT_SET, MSG_COLOR, msg); free(msg); } /* print out received message string */ static void _message_handle(void *data EINA_UNUSED, Evas_Object *obj EINA_UNUSED, Edje_Message_Type type, int id, void *msg) { Edje_Message_String *m; if (type != EDJE_MESSAGE_STRING) return; if (id != MSG_TEXT) return; m = msg; printf("String message received: %s\n", m->str); } int main(int argc EINA_UNUSED, char *argv[] EINA_UNUSED) { const char *img_file = PACKAGE_DATA_DIR"/red.png"; const char *edje_file = PACKAGE_DATA_DIR"/signals-messages.edj"; Ecore_Evas *ee; Evas *evas; Evas_Object *bg; Evas_Object *edje_obj; Evas_Object *border; if (!ecore_evas_init()) return EXIT_FAILURE; if (!edje_init()) goto shutdown_ecore_evas; /* this will give you a window with an Evas canvas under the first * engine available */ ee = ecore_evas_new(NULL, 0, 0, WIDTH, HEIGHT, NULL); if (!ee) goto shutdown_edje; ecore_evas_callback_delete_request_set(ee, _on_delete); ecore_evas_title_set(ee, "Edje Signals and Messages Example"); evas = ecore_evas_get(ee); bg = evas_object_rectangle_add(evas); evas_object_color_set(bg, 255, 255, 255, 255); /* white bg */ evas_object_move(bg, 0, 0); /* at canvas' origin */ evas_object_resize(bg, WIDTH, HEIGHT); /* covers full canvas */ evas_object_show(bg); evas_object_focus_set(bg, EINA_TRUE); ecore_evas_object_associate(ee, bg, ECORE_EVAS_OBJECT_ASSOCIATE_BASE); edje_obj = edje_object_add(evas); if (!edje_object_file_set(edje_obj, edje_file, "example_group")) { int err = edje_object_load_error_get(edje_obj); const char *errmsg = edje_load_error_str(err); fprintf(stderr, "Could not load 'example_group' from " "signals-messages.edj: %s\n", errmsg); evas_object_del(edje_obj); goto shutdown_edje; } edje_object_signal_callback_add(edje_obj, "mouse,wheel,*", "part_left", _on_mouse_wheel, NULL); edje_object_signal_callback_add(edje_obj, "mouse,over", "part_right", _on_mouse_over, NULL); edje_object_message_handler_set(edje_obj, _message_handle, NULL); evas_object_move(edje_obj, 20, 20); evas_object_resize(edje_obj, WIDTH - 40, HEIGHT - 40); evas_object_show(edje_obj); evas_object_event_callback_add(bg, EVAS_CALLBACK_KEY_DOWN, _on_keydown, edje_obj); /* this is a border around the Edje object above, here just to * emphasize its geometry */ border = evas_object_image_filled_add(evas); evas_object_image_file_set(border, img_file, NULL); evas_object_image_border_set(border, 2, 2, 2, 2); evas_object_image_border_center_fill_set(border, EVAS_BORDER_FILL_NONE); evas_object_resize(border, WIDTH - 40 + 4, HEIGHT - 40 + 4); evas_object_move(border, 20 - 2, 20 - 2); evas_object_repeat_events_set(border, EINA_TRUE); evas_object_show(border); printf(commands); ecore_evas_show(ee); ecore_main_loop_begin(); ecore_evas_free(ee); ecore_evas_shutdown(); edje_shutdown(); return EXIT_SUCCESS; shutdown_edje: edje_shutdown(); shutdown_ecore_evas: ecore_evas_shutdown(); return EXIT_FAILURE; }