238 lines
6.2 KiB
C
238 lines
6.2 KiB
C
/**
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* Simple Edje example illustrating box 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 box.edc && gcc -o edje-box edje-box.c `pkg-config --libs --cflags evas ecore ecore-evas edje`
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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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#define WIDTH 300
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#define HEIGHT 300
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#define RECTW 30
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#define RECTH 30
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#define NRECTS 20
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static const char commands[] = \
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"commands are:\n"
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"\ti - prepend rectangle\n"
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"\ta - append rectangle\n"
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"\tc - remove\n"
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"\tEsc - exit\n"
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"\th - print help\n";
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static void
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_on_destroy(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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/* here just to keep our example's window size and background image's
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* size in synchrony */
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static void
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_on_canvas_resize(Ecore_Evas *ee)
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{
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Evas_Object *bg;
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Evas_Object *edje_obj;
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int w;
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int h;
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bg = ecore_evas_data_get(ee, "background");
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edje_obj = ecore_evas_data_get(ee, "edje_obj");
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ecore_evas_geometry_get(ee, NULL, NULL, &w, &h);
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evas_object_resize(bg, w, h);
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evas_object_resize(edje_obj, w, h);
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}
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static void
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_on_rect_mouse_down(void *data, Evas *e, Evas_Object *o, void *event_info)
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{
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Ecore_Evas *ee;
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Evas_Event_Mouse_Down *ev;
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Evas_Object *edje_obj;
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ee = (Ecore_Evas *)data;
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ev = (Evas_Event_Mouse_Down *)event_info;
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edje_obj = ecore_evas_data_get(ee, "edje_obj");
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if (ev->button == 1)
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{
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printf("Removing rect %p under the mouse pointer.\n", o);
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edje_object_part_box_remove(edje_obj, "example/box", o);
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evas_object_del(o);
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}
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else if (ev->button == 3)
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{
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Evas_Object *rect;
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Eina_Bool r;
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rect = evas_object_rectangle_add(e);
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evas_object_color_set(rect, 0, 0, 255, 255);
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evas_object_resize(rect, RECTW + 10, RECTH);
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evas_object_show(rect);
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printf("Inserting rect %p before the rectangle under the mouse pointer.\n", rect);
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r = edje_object_part_box_insert_before(edje_obj, "example/box", rect, o);
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if (!r)
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printf("An error occurred when appending rect %p to the box.\n", rect);
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evas_object_event_callback_add(rect, EVAS_CALLBACK_MOUSE_DOWN, _on_rect_mouse_down, NULL);
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}
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}
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static void
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_on_bg_key_down(void *data, Evas *e, Evas_Object *o EINA_UNUSED, void *event_info)
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{
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Ecore_Evas *ee;
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Evas_Event_Key_Down *ev;
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Evas_Object *edje_obj;
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Evas_Object *rect;
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Eina_Bool r;
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ee = (Ecore_Evas *)data;
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ev = (Evas_Event_Key_Down *)event_info;
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edje_obj = ecore_evas_data_get(ee, "edje_obj");
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if (!strcmp(ev->key, "h"))
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{
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fprintf(stdout, commands);
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return;
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}
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if (!strcmp(ev->key, "i"))
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{
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rect = evas_object_rectangle_add(e);
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evas_object_color_set(rect, 0, 0, 128, 255);
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evas_object_resize(rect, RECTW + 30, RECTH);
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evas_object_show(rect);
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printf("Inserting rect %p before the rectangle under the mouse pointer.\n", rect);
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r = edje_object_part_box_insert_at(edje_obj, "example/box", rect, 0);
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if (!r)
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printf("An error occurred when appending rect %p to the box.\n", rect);
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evas_object_event_callback_add(rect, EVAS_CALLBACK_MOUSE_DOWN, _on_rect_mouse_down, NULL);
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}
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else if (!strcmp(ev->key, "a"))
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{
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rect = evas_object_rectangle_add(e);
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evas_object_color_set(rect, 0, 128, 0, 255);
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evas_object_resize(rect, RECTW, RECTH);
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evas_object_show(rect);
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printf("Inserting rect %p before the rectangle under the mouse pointer.\n", rect);
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r = edje_object_part_box_append(edje_obj, "example/box", rect);
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if (!r)
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printf("An error occurred when appending rect %p to the box.\n", rect);
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evas_object_event_callback_add(rect, EVAS_CALLBACK_MOUSE_DOWN, _on_rect_mouse_down, NULL);
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}
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else if (!strcmp(ev->key, "c"))
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edje_object_part_box_remove_all(edje_obj, "example/box", EINA_TRUE);
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else if (!strcmp(ev->key, "Escape"))
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ecore_main_loop_quit();
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else
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{
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printf("unhandled key: %s\n", ev->key);
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fprintf(stdout, commands);
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}
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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"/box.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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int i;
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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_destroy_set(ee, _on_destroy);
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ecore_evas_callback_resize_set(ee, _on_canvas_resize);
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ecore_evas_title_set(ee, "Edje Box 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);
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evas_object_resize(bg, WIDTH, HEIGHT);
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evas_object_focus_set(bg, EINA_TRUE);
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evas_object_show(bg);
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ecore_evas_data_set(ee, "background", bg);
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evas_object_event_callback_add(bg, EVAS_CALLBACK_KEY_DOWN, _on_bg_key_down, ee);
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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, 0);
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evas_object_resize(edje_obj, WIDTH, HEIGHT);
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evas_object_show(edje_obj);
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ecore_evas_data_set(ee, "edje_obj", edje_obj);
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for (i = 0; i < NRECTS; i++)
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{
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Evas_Object *rect;
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Eina_Bool r = EINA_FALSE;
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int red = (i * 10) % 256;
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rect = evas_object_rectangle_add(evas);
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evas_object_color_set(rect, red, 0, 0, 255);
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evas_object_resize(rect, RECTW, RECTH);
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r = edje_object_part_box_append(edje_obj, "example/box", rect);
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if (!r)
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printf("An error occurred when appending rect #%d to the box.\n", i);
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evas_object_show(rect);
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evas_object_event_callback_add(
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rect, EVAS_CALLBACK_MOUSE_DOWN, _on_rect_mouse_down, ee);
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}
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fprintf(stdout, commands);
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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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