src/examples/edje-swallow2.c

   1 /**
   2  * Simple Edje example illustrating swallow functions.
   3  *
   4  * You'll need at least one Evas engine built for it (excluding the
   5  * buffer one). See stdout/stderr for output.
   6  *
   7  * @verbatim
   8  * edje_cc swallow.edc && gcc -o edje-swallow2 edje-swallow2.c `pkg-config --libs --cflags evas ecore ecore-evas edje`
   9  * @endverbatim
  10  */
  11
  12 #ifdef HAVE_CONFIG_H
  13 # include "config.h"
  14 #else
  15 # define __UNUSED__
  16 #endif
  17
  18 #include <Ecore.h>
  19 #include <Ecore_Evas.h>
  20 #include <Edje.h>
  21
  22 #define WIDTH  (300)
  23 #define HEIGHT (300)
  24
  25 static void
  26 _on_delete(Ecore_Evas *ee __UNUSED__)
  27 {
  28    ecore_main_loop_quit();
  29 }
  30
  31 int
  32 main(int argc __UNUSED__, char *argv[])
  33 {
  34    char         edje_file_path[PATH_MAX];
  35    char         img_file_path[PATH_MAX];
  36    const char  *edje_file = "swallow.edj";
  37    const char  *img_file = "bubble.png";
  38    Ecore_Evas  *ee;
  39    Evas        *evas;
  40    Evas_Object *bg;
  41    Evas_Object *img;
  42    Evas_Object *obj;
  43    Evas_Object *edje_obj;
  44    Eina_Prefix *pfx;
  45    Evas_Load_Error err;
  46
  47    if (!ecore_evas_init())
  48      return EXIT_FAILURE;
  49
  50    if (!edje_init())
  51      goto shutdown_ecore_evas;
  52
  53    pfx = eina_prefix_new(argv[0], main,
  54                          "EDJE_EXAMPLES",
  55                          "edje/examples",
  56                          edje_file,
  57                          PACKAGE_BIN_DIR,
  58                          PACKAGE_LIB_DIR,
  59                          PACKAGE_DATA_DIR,
  60                          PACKAGE_DATA_DIR);
  61    if (!pfx)
  62      goto shutdown_edje;
  63
  64    /* this will give you a window with an Evas canvas under the first
  65     * engine available */
  66    ee = ecore_evas_new(NULL, 0, 0, WIDTH, HEIGHT, NULL);
  67    if (!ee)
  68      goto free_prefix;
  69
  70    ecore_evas_callback_delete_request_set(ee, _on_delete);
  71
  72    ecore_evas_title_set(ee, "Edje Swallow Example");
  73
  74    evas = ecore_evas_get(ee);
  75
  76    bg = evas_object_rectangle_add(evas);
  77    evas_object_color_set(bg, 255, 255, 255, 255); /* white bg */
  78    evas_object_move(bg, 0, 0); /* at canvas' origin */
  79    evas_object_resize(bg, WIDTH, HEIGHT); /* covers full canvas */
  80    evas_object_show(bg);
  81    ecore_evas_data_set(ee, "background", bg);
  82
  83    ecore_evas_object_associate(ee,bg, ECORE_EVAS_OBJECT_ASSOCIATE_BASE);
  84
  85    edje_obj = edje_object_add(evas);
  86
  87    snprintf(edje_file_path, sizeof(edje_file_path),
  88             "%s/examples/%s", eina_prefix_data_get(pfx), edje_file);
  89    edje_object_file_set(edje_obj, edje_file_path, "example_group");
  90    evas_object_move(edje_obj, 20, 20);
  91    evas_object_resize(edje_obj, WIDTH - 40, HEIGHT - 40);
  92    evas_object_show(edje_obj);
  93
  94    snprintf(img_file_path, sizeof(edje_file_path),
  95             "%s/examples/%s", eina_prefix_data_get(pfx), img_file);
  96
  97    img = evas_object_image_filled_add(evas);
  98    evas_object_image_file_set(img, img_file_path, NULL);
  99
 100    err = evas_object_image_load_error_get(img);
 101
 102    if (err != EVAS_LOAD_ERROR_NONE)
 103    {
 104       fprintf(stderr, "could not load image '%s'. error string is \"%s\"\n",
 105               img_file_path, evas_load_error_str(err));
 106      goto free_prefix;
 107    }
 108
 109    edje_object_part_swallow(edje_obj, "part_one", img);
 110
 111    obj = edje_object_part_swallow_get(edje_obj, "part_one");
 112
 113    if(obj == img)
 114       printf("Swallowing worked!\n");
 115
 116    ecore_evas_show(ee);
 117
 118    ecore_main_loop_begin();
 119
 120    eina_prefix_free(pfx);
 121    ecore_evas_free(ee);
 122    ecore_evas_shutdown();
 123    edje_shutdown();
 124
 125    return EXIT_SUCCESS;
 126
 127  free_prefix:
 128    eina_prefix_free(pfx);
 129  shutdown_edje:
 130    edje_shutdown();
 131  shutdown_ecore_evas:
 132    ecore_evas_shutdown();
 133
 134    return EXIT_FAILURE;
 135 }